From 862dd926b0d8de9798a81d702434e1583efe4e66 Mon Sep 17 00:00:00 2001
From: Microfed <microfed@gmail.com>
Date: Thu, 8 Jan 2015 12:41:57 +0300
Subject: [PATCH 001/337] Fix reversing double linked list

---
 src/data-structures/linked-list.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/data-structures/linked-list.js b/src/data-structures/linked-list.js
index fdf208ba..8b6522a8 100644
--- a/src/data-structures/linked-list.js
+++ b/src/data-structures/linked-list.js
@@ -140,10 +140,12 @@
     while (current) {
       temp = current.next;
       current.next = prev;
+	  prev.prev = current;
       prev = current;
       current = temp;
     }
     this.first.next = null;
+	this.last.prev = null;
     temp = this.first;
     this.first = prev;
     this.last = temp;

From 4f76422d6455031d57186838ef218771614fed4d Mon Sep 17 00:00:00 2001
From: Microfed <microfed@gmail.com>
Date: Thu, 8 Jan 2015 12:50:13 +0300
Subject: [PATCH 002/337] Fix formatting

---
 src/data-structures/linked-list.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/data-structures/linked-list.js b/src/data-structures/linked-list.js
index 8b6522a8..74456600 100644
--- a/src/data-structures/linked-list.js
+++ b/src/data-structures/linked-list.js
@@ -140,12 +140,12 @@
     while (current) {
       temp = current.next;
       current.next = prev;
-	  prev.prev = current;
+      prev.prev = current;
       prev = current;
       current = temp;
     }
     this.first.next = null;
-	this.last.prev = null;
+    this.last.prev = null;
     temp = this.first;
     this.first = prev;
     this.last = temp;

From a0e9034e6215b660468f896e93d1de03c142dcfa Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Thu, 8 Jan 2015 14:12:36 +0200
Subject: [PATCH 003/337] New dfs implementation

---
 src/graphs/searching/dfs.js | 143 +++++++++---------------------------
 1 file changed, 34 insertions(+), 109 deletions(-)

diff --git a/src/graphs/searching/dfs.js b/src/graphs/searching/dfs.js
index ce3a37f9..e6df5d97 100644
--- a/src/graphs/searching/dfs.js
+++ b/src/graphs/searching/dfs.js
@@ -1,129 +1,54 @@
-'use strict';
-
-/* * * * * * * * * * * * * * * * * *
-
-        Sample graph
-
-var graph = [[1,0,1,0,0,0],
-             [0,1,0,1,0,0],
-             [1,0,1,0,1,0],
-             [0,1,0,1,1,0],
-             [0,0,1,1,1,1],
-             [0,0,0,0,1,1]];
-* * * * * * * * * * * * * * * * * */
+/**
+ * Depth-First Search graph searching algorithm.
+ * Finds out whether there's a path between
+ * two nodes - start node and a target.
+ */
 
 (function (exports) {
-  /**
-   * Depth-first search algorithm for matrix representation of graph.
-   * The algorithm finds whether there's a path between two given nodes.
-   */
-  var depthFirstSearch = (function () {
+  'use strict';
 
-    var visited = [],
-        target,
-        graph;
+  var dfs = (function () {
 
     /**
-     * Returns whether the destination could be reached
-     * from given node
-     *
-     * @private
-     * @param {number} current Current node
-     * @returns {boolean} True/false depending whether
-     *      the destination can be reached from the current node
+     * Implements an iterative DFS.
+     * Complexity O(|V|^2), since it uses adjust matrix.
      */
-    function dfs(current) {
-      if (visited[current] ||
-          current[0] < 0 || current[1] < 0 ||
-          current[0] >= graph.length || current[1] >= graph[0].length ||
-          !graph[current[0]][current[1]]) {
-        return false;
-      }
-      if (current[0] === target[0] &&
-          current[1] === target[1]) {
-        return true;
-      }
+    function hasPath(graph, current, goal) {
+      var stack = [],
+          visited = [],
+          node;
+      stack.push(current);
       visited[current] = true;
-      return dfs([current[0] + 1, current[1]]) ||
-             dfs([current[0] - 1, current[1]]) ||
-             dfs([current[0], current[1] + 1]) ||
-             dfs([current[0], current[1] - 1]);
-    }
-
-    /**
-     * Initializes the algorithm
-     *
-     * @private
-     * @param {array} inputGraph The input matrix of the graph
-     * @param {number} destination The destination
-     */
-    function init(inputGraph, destination) {
-      graph = inputGraph;
-      target = destination;
-      visited = {};
-    }
-
-    /**
-     * Validates the params
-     *
-     * @param {array} graph A matrix representation of the graph
-     * @param {array} source The source node
-     * @param {array} destination The destination node
-     */
-    function validateParams(graph, source, destination) {
-      if (!graph) {
-        throw new Error('The graph should be represented as a matrix');
-      }
-      if (graph[0] === undefined) {
-        throw new Error('The graph should be represented as ' +
-                'a matrix, with size at least 1x1');
-      }
-      var width = graph[0].length;
-      for (var i = 1; i < graph.length; i += 1) {
-        if (graph[i].length !== width) {
-          throw new Error('The graph should be represented as a matrix');
+      while (stack.length) {
+        node = stack.pop();
+        if (node === goal) {
+          return true;
         }
-      }
-      source.concat(destination).filter(function (c, i) {
-        if (c < 0) {
-          throw new Error('The source and destination coordinates ' +
-            'should be above zero');
-        }
-        if (i % 2 === 0) {
-          if (c >= graph.length) {
-            throw new Error('The source and destination coordinates ' +
-                        'should not be above graph\'s size');
-          }
-        } else {
-          if (c >= graph[0].length) {
-            throw new Error('The source and destination coordinates ' +
-                        'should not be above graph\'s size');
+        for (var i = 0; i < graph[node].length; i += 1) {
+          if (graph[node][i] && !visited[i]) {
+            stack.push(i);
+            visited[i] = true;
           }
         }
-      });
-      return true;
+      }
+      return false;
     }
 
     /**
-     * Finds whether there's a path between a given start node
-     * to given destination
+     * Returns whether there's a path between two nodes
+     * in a graph represented with adjust matrix.
      *
      * @public
-     * @param {array} graph A matrix representation of the graph
-     * @param {number} source The source node
-     * @param {number} destination The destination node
-     * @returns {boolean} true/false depending
-     *                               whether there's a path between the nodes
+     * @param {array} graph Adjust matrix representation of a graph
+     * @param {number} start A start node
+     * @param {number} goal The target node
+     * @return {boolean} Returns whether there's a path between start and goal
      */
-    return function (graph, source, destination) {
-      validateParams(graph, source, destination);
-      init(graph, destination);
-      return dfs(source);
+    return function (graph, start, goal) {
+      return hasPath(graph, start, goal);
     };
-
-
   }());
 
-  exports.depthFirstSearch = depthFirstSearch;
+  exports.dfs = dfs;
 
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+}(typeof exports === 'undefined' ? window : exports));

From 942504f793fcd9cb970ea666d64ef6965f880acb Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Thu, 8 Jan 2015 14:20:11 +0200
Subject: [PATCH 004/337] Update dfs tests

---
 test/graphs/searching/dfs.spec.js | 71 +++++++++++--------------------
 1 file changed, 25 insertions(+), 46 deletions(-)

diff --git a/test/graphs/searching/dfs.spec.js b/test/graphs/searching/dfs.spec.js
index 84dd9708..ad901350 100644
--- a/test/graphs/searching/dfs.spec.js
+++ b/test/graphs/searching/dfs.spec.js
@@ -1,58 +1,37 @@
 'use strict';
 
-var sampleGraph = [[1, 1, 1, 0, 0, 0],
-                   [0, 1, 1, 1, 0, 0],
-                   [1, 0, 1, 1, 1, 0],
-                   [0, 1, 0, 1, 1, 0],
-                   [0, 1, 0, 1, 1, 0],
-                   [0, 1, 0, 1, 1, 0],
-                   [0, 0, 1, 1, 1, 1],
-                   [0, 0, 0, 0, 1, 1]];
-
-var dfs = require('../../../src/graphs/searching/dfs').depthFirstSearch;
+var dfs = require('../../../src/graphs/searching/dfs').dfs;
 
 describe('dfs', function () {
 
-  it('should work with incorrect input', function () {
-    expect(function () {
-      dfs(null, [1, 1], [1, 1]);
-    }).toThrow();
-    expect(function () {
-      dfs(sampleGraph, [-1, -1], [0, 0]);
-    }).toThrow();
-    expect(function () {
-      dfs(sampleGraph, [0, -1], [-1, 0]);
-    }).toThrow();
-    expect(function () {
-      dfs(sampleGraph, [0, 0], [-1, 0]);
-    }).toThrow();
-    expect(function () {
-      dfs(sampleGraph, [0, 1000], [-1, 0]);
-    }).toThrow();
-    expect(function () {
-      dfs(sampleGraph, [100000, 1000], [-1, 0]);
-    }).toThrow();
-    expect(function () {
-      dfs(sampleGraph, [0, 0], [100, 100]);
-    }).toThrow();
-    expect(function () {
-      dfs(sampleGraph, [0, 0], [5, 5]);
-    }).not.toThrow();
+  it('should work with empty graph', function () {
+    expect(dfs([[]])).toBeTruthy();
   });
 
-  it('should work with 1x1 matrix', function () {
-    var graph = [[1]];
-    expect(dfs(graph, [0, 0], [0, 0])).toBeTruthy();
-    graph = [[0]];
-    expect(dfs(graph, [0, 0], [0, 0])).toBeFalsy();
+  it('should always find a path between node and itself', function () {
+    expect(dfs([[0]]), 0, 0).toBeTruthy();
   });
 
-  it('should work in the general case', function () {
-    expect(dfs(sampleGraph, [0, 0], [1, 1])).toBeTruthy();
-    expect(dfs(sampleGraph, [0, 0], [6, 5])).toBeTruthy();
-    expect(dfs(sampleGraph, [0, 0], [0, 5])).toBeFalsy();
-    expect(dfs(sampleGraph, [1, 1], [6, 5])).toBeTruthy();
-    expect(dfs(sampleGraph, [1, 1], [0, 5])).toBeFalsy();
+  it('should always find a path between two directly connected nodes',
+    function () {
+      expect(dfs([[0, 1], [1, 0]], 0, 1)).toBeTruthy();
+      expect(dfs([[0, 1], [1, 0]], 1, 0)).toBeTruthy();
+    });
+
+  it('should always find a path between two directly connected' +
+    'connected nodes in a directed graph', function () {
+    expect(dfs([[0, 0], [1, 0]], 1, 0)).toBeTruthy();
   });
 
+  it('should always find a path between two indirectly connected nodes',
+    function () {
+      expect(dfs([[0, 1, 0], [0, 0, 1], [0, 0, 0]], 0, 2)).toBeTruthy();
+    });
+
+  it('should not find a path between two nodes, which are not connected',
+      function () {
+      expect(dfs([[0, 0], [1, 0]], 0, 1)).toBeFalsy();
+      expect(dfs([[0, 0, 0], [0, 0, 1], [0, 0, 0]], 0, 2)).toBeFalsy();
+    });
+
 });
\ No newline at end of file

From 0dff9e96e106a99b03849261477140911ea5212f Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Thu, 8 Jan 2015 14:33:13 +0200
Subject: [PATCH 005/337] Update Bresenham line drawing algorithm

---
 src/graphics/bresenham-line-drawing.js | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/graphics/bresenham-line-drawing.js b/src/graphics/bresenham-line-drawing.js
index cd050ac0..cc0f3112 100644
--- a/src/graphics/bresenham-line-drawing.js
+++ b/src/graphics/bresenham-line-drawing.js
@@ -9,13 +9,14 @@
    * @param  {number} x2 The first coordinate of the end of the line
    * @param  {number} y2 The second coordinate of the end of the line
    */
-  function drawLine(x1, y1, x2, y2) {
+  function drawLine(x1, y1, x2, y2, draw) {
+    drawPoint = draw || drawPoint;
     var dx = Math.abs(x2 - x1),
-      dy = Math.abs(y2 - y1),
-      cx = (x1 < x2) ? 1 : -1,
-      cy = (y1 < y2) ? 1 : -1,
-      error = dx - dy,
-      doubledError;
+        dy = Math.abs(y2 - y1),
+        cx = (x1 < x2) ? 1 : -1,
+        cy = (y1 < y2) ? 1 : -1,
+        error = dx - dy,
+        doubledError;
 
     while (x1 !== x2 || y1 !== y2) {
       drawPoint(x1, y1);

From 30882e04471c9e777478282e1d87f8608ec82845 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Thu, 8 Jan 2015 18:33:33 +0200
Subject: [PATCH 006/337] Add contributors list

---
 readme.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/readme.md b/readme.md
index d2d76109..cdcdb9c2 100644
--- a/readme.md
+++ b/readme.md
@@ -19,6 +19,10 @@ and all `*.spec.js` files will be executed.
 Fork the repo and make requred changes. After that push your changes in branch, which is named according to the changes you did.
 Initiate the PR.
 
+## Contributors
+
+[![mgechev](https://avatars.githubusercontent.com/u/455023?v=3&s=117)](https://github.com/mgechev)[![Microfed](https://avatars.githubusercontent.com/u/613179?v=3&s=117)](https://github.com/Microfed)[![contra](https://avatars.githubusercontent.com/u/425716?v=3&s=117)](https://github.com/contra)
+
 ## License
 
 The code in this repository is distributed under the terms of the MIT license.

From 0c2eaf89fdb74bdf106ff17ffce45cfe2a19ec74 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Fri, 9 Jan 2015 08:11:17 +0200
Subject: [PATCH 007/337] Update topological sort docs

---
 src/graphs/others/topological-sort.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/graphs/others/topological-sort.js b/src/graphs/others/topological-sort.js
index f0db1a36..3272c75b 100644
--- a/src/graphs/others/topological-sort.js
+++ b/src/graphs/others/topological-sort.js
@@ -24,6 +24,13 @@
       result.push(node);
     }
 
+    /**
+     * Implements the topological sort algorithm.
+     *
+     * @public
+     * @param {object} graph A graph represented with list of neighbors
+     * @return {array} The list containing all nodes in topological sorted order
+     */
     return function (graph) {
       var result = [],
           visited = [],

From d969f4d3bbe559bf553b4a903bcb1842a0f2b10f Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Fri, 9 Jan 2015 18:49:39 +0200
Subject: [PATCH 008/337] Add gulp config

---
 gulpfile.js  |  8 ++++++++
 package.json | 29 +++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 gulpfile.js
 create mode 100644 package.json

diff --git a/gulpfile.js b/gulpfile.js
new file mode 100644
index 00000000..02de0e94
--- /dev/null
+++ b/gulpfile.js
@@ -0,0 +1,8 @@
+'use strict';
+var jsdoc = require('gulp-jsdoc'),
+    gulp = require('gulp');
+
+gulp.task('jsdoc', function () {
+  gulp.src('./src/**/*.js')
+    .pipe(jsdoc('./documentation'));
+});
\ No newline at end of file
diff --git a/package.json b/package.json
new file mode 100644
index 00000000..16215507
--- /dev/null
+++ b/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "javascript-algorithms",
+  "version": "0.0.0",
+  "description": "Implementations of different computer science algorithms",
+  "main": "index.js",
+  "directories": {
+    "test": "test"
+  },
+  "dependencies": {
+    "jsdoc": "^3.3.0-alpha13"
+  },
+  "devDependencies": {
+    "gulp": "^3.8.10",
+    "gulp-jsdoc": "^0.1.4"
+  },
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/mgechev/javascript-algorithms"
+  },
+  "author": "@mgechev",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/mgechev/javascript-algorithms/issues"
+  },
+  "homepage": "https://github.com/mgechev/javascript-algorithms"
+}

From b52ecef4da87555de5e2471d89c19deac6638dfa Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Fri, 9 Jan 2015 18:54:34 +0200
Subject: [PATCH 009/337] Fix data types in binary tree

---
 src/data-structures/binary-search-tree.js | 21 +++++++++++----------
 src/data-structures/heap.js               | 16 ++++++++--------
 2 files changed, 19 insertions(+), 18 deletions(-)

diff --git a/src/data-structures/binary-search-tree.js b/src/data-structures/binary-search-tree.js
index b15f3b46..92c3981a 100644
--- a/src/data-structures/binary-search-tree.js
+++ b/src/data-structures/binary-search-tree.js
@@ -8,9 +8,10 @@
   /**
    * A node of the tree
    *
+   * @class
    * @public
    * @constructor
-   * @param {number|string} Value of the node
+   * @param {Number|String} Value of the node
    * @param {Node} Left subling
    * @param {Node} Right sibling
    * @param {Node} Parent of the node
@@ -37,7 +38,7 @@
    * O(n) in the worst case.
    *
    * @public
-   * @param {number|string} Value
+   * @param {Number|String} Value
    * @param {[Node]} Current node
    */
   BinaryTree.prototype.insert = function (value, current) {
@@ -139,7 +140,7 @@
    * Finds a node by it's value. Average runtime complexity O(log n) 
    *
    * @public
-   * @param {number|string} Value of the node which should be found
+   * @param {Number|String} Value of the node which should be found
    */
   BinaryTree.prototype.find = function (value) {
     return this._find(value, this._root);
@@ -149,22 +150,22 @@
    * Finds a node by it's value in given sub-tree. Average runtime complexity: O(log n).
    *
    * @private
-   * @param {number|string} Value of the node which should be found
+   * @param {Number|String} Value of the node which should be found
    * @param {Node} Current node to be checked
    */
   BinaryTree.prototype._find = function (value, current) {
     if (!current)
       return null;
-   
+
     if (current.value === value)
       return current;
-   
+
     if (current.value > value)
       return this._find(value, current._left);
-   
+
     if (current.value < value)
       return this._find(value, current._right);
-    
+
   };
 
   /**
@@ -226,7 +227,7 @@
    *
    * @private
    * @param {Node} Root of the sub-tree
-   * @param {[number|string]} Current minimum value of the sub-tree
+   * @param {[Number|String]} Current minimum value of the sub-tree
    * @returns {Node} The node with minimum value in the sub-tree
    */
   BinaryTree.prototype._findMin = function (node, current) {
@@ -243,7 +244,7 @@
    *
    * @private
    * @param {Node} Root of the sub-tree
-   * @param {[number|string]} Current maximum value of the sub-tree
+   * @param {[Number|String]} Current maximum value of the sub-tree
    * @returns {Node} The node with maximum value in the sub-tree
    */
   BinaryTree.prototype._findMax = function (node, current) {
diff --git a/src/data-structures/heap.js b/src/data-structures/heap.js
index 44146d5a..d702d69b 100644
--- a/src/data-structures/heap.js
+++ b/src/data-structures/heap.js
@@ -25,7 +25,7 @@
    * Complexity O(log n)
    *
    * @private
-   * @param {number} index The parent
+   * @param {Number} index The parent
    */
   Heap.prototype._heapify = function (index) {
     var extr = index,
@@ -55,9 +55,9 @@
    * Changes the key for give index. Complexity O(log n).
    *
    * @public
-   * @param {number} index Index which key should be changed
-   * @param {number} value New value of the key
-   * @returns {number} parent The new position of the element
+   * @param {Number} index Index which key should be changed
+   * @param {Number} value New value of the key
+   * @returns {Number} parent The new position of the element
    */
   Heap.prototype.changeKey = function (index, value) {
     this._heap[index] = value;
@@ -92,8 +92,8 @@
    * Adds new element to the heap. Complexity O(log n).
    *
    * @public
-   * @param {number} value The new value which will be inserted
-   * @returns {number}  The index of the inserted value
+   * @param {Number} value The new value which will be inserted
+   * @returns {Number}  The index of the inserted value
    */
   Heap.prototype.add = function (value) {
     this._heap.push(value);
@@ -104,7 +104,7 @@
    * Gets the current value which is on the top of the heap. Complexity O(1).
    *
    * @public
-   * returns {numner} The current top value.
+   * returns {Number} The current top value.
    */
   Heap.prototype.top = function () {
     return this._heap[0];
@@ -116,7 +116,7 @@
    * Complexity O(log n).
    *
    * @public
-   * @returns {number} The extremum value
+   * @returns {Number} The extremum value
    */
   Heap.prototype.extract = function () {
     if (!this._heap.length) {

From c5afad9cef89966b198752b678e325ef702376a1 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Fri, 9 Jan 2015 19:02:56 +0200
Subject: [PATCH 010/337] Update docs

---
 src/data-structures/binary-search-tree.js |  6 +++---
 src/graphs/searching/bfs.js               | 22 +++++++++++++++++++---
 2 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/src/data-structures/binary-search-tree.js b/src/data-structures/binary-search-tree.js
index 92c3981a..85ac9da5 100644
--- a/src/data-structures/binary-search-tree.js
+++ b/src/data-structures/binary-search-tree.js
@@ -39,7 +39,7 @@
    *
    * @public
    * @param {Number|String} Value
-   * @param {[Node]} Current node
+   * @param {Node} Current node
    */
   BinaryTree.prototype.insert = function (value, current) {
     if (this._root === null) {
@@ -227,7 +227,7 @@
    *
    * @private
    * @param {Node} Root of the sub-tree
-   * @param {[Number|String]} Current minimum value of the sub-tree
+   * @param {Number|String} Current minimum value of the sub-tree
    * @returns {Node} The node with minimum value in the sub-tree
    */
   BinaryTree.prototype._findMin = function (node, current) {
@@ -244,7 +244,7 @@
    *
    * @private
    * @param {Node} Root of the sub-tree
-   * @param {[Number|String]} Current maximum value of the sub-tree
+   * @param {Number|String} Current maximum value of the sub-tree
    * @returns {Node} The node with maximum value in the sub-tree
    */
   BinaryTree.prototype._findMax = function (node, current) {
diff --git a/src/graphs/searching/bfs.js b/src/graphs/searching/bfs.js
index 8f037681..0aadac94 100644
--- a/src/graphs/searching/bfs.js
+++ b/src/graphs/searching/bfs.js
@@ -13,14 +13,30 @@
     }
 
     /**
-     * Returns the shortest path between
-     * startNode and targetNode.
-     * Time complexity O(|V|*|V|), because we use adjust matrix.
+     * Breath-First graph searching algorithm.
+     * Returns the shortest path between startNode and targetNode.
+     * Time complexity O(|V|*|V|).
      *
+     * @module graphs/searching
+     * @public
      * @param {array} graph The adjust matrix, which represents the graph
      * @param {number} startNode The start node
      * @param {number} targetNode The target, which should be reached
+     * @param {Array} graph Adjacency matrix, which represents the graph.
      * @returns {array} The shortest path from startNode to targetNode
+     * @param {Number} startNode Start node.
+     * @param {Number} targetNode Target, which should be reached.
+     * @returns {Array} Shortest path from startNode to targetNode.
+     *
+     * @example
+     * var bfs = require('path-to-algorithms/src/graphs/searching/bfs').bfs;
+     * var graph = [[1, 1, 0, 0, 1, 0],
+     *              [1, 0, 1, 0, 1, 0],
+     *              [0, 1, 0, 1, 0, 0],
+     *              [0, 0, 1, 0, 1, 1],
+     *              [1, 1, 0, 1, 0, 0],
+     *              [0, 0, 0, 1, 0, 0]];
+     * var shortestPath = bfs(graph, 1, 5); // [1, 2, 3, 5]
      */
     return function (graph, startNode, targetNode) {
       var parents = [],

From d0e6ca9c89d9109926b3e388bf78d897aee9400c Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Fri, 9 Jan 2015 19:14:42 +0200
Subject: [PATCH 011/337] Update the gulpfile

---
 gulpfile.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gulpfile.js b/gulpfile.js
index 02de0e94..18d6d1c8 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -4,5 +4,5 @@ var jsdoc = require('gulp-jsdoc'),
 
 gulp.task('jsdoc', function () {
   gulp.src('./src/**/*.js')
-    .pipe(jsdoc('./documentation'));
+    .pipe(jsdoc('../javascript-algorithms-docs'));
 });
\ No newline at end of file

From 023167c40426f2a9d6936f47dd84b2ed6a027b67 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Fri, 9 Jan 2015 19:51:10 +0200
Subject: [PATCH 012/337] Add .jshintrc

---
 .jshintrc | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/.jshintrc b/.jshintrc
index f715520a..c3863960 100644
--- a/.jshintrc
+++ b/.jshintrc
@@ -1,4 +1,6 @@
 {
+  "browser": true,
+  "jquery": true,
   "node": true,
   "esnext": true,
   "bitwise": true,
@@ -25,11 +27,5 @@
   "loopfunc": true,
   "maxcomplexity": 9,
   "maxlen": 80,
-  "globals": {
-    "window": true,
-    "it": true,
-    "beforeEach": true,
-    "describe": true,
-    "expect": true
-  }
+  "maxparams": 4
 }

From 5dda0d108ac1c5f1d2f5c6bc175d06dacc4cbcca Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Fri, 9 Jan 2015 20:53:07 +0200
Subject: [PATCH 013/337] add first docs, fix readme

---
 .gitignore                                 |   2 +
 gulpfile.js                                |   2 +-
 readme.md                                  |  33 +++-
 src/graphs/others/topological-sort.js      |  26 ++-
 src/graphs/searching/bfs.js                |  12 +-
 src/graphs/searching/dfs.js                |  36 ++--
 src/graphs/shortest-path/bellman-ford.js   |  55 ++++--
 src/graphs/shortest-path/dijkstra.js       | 203 +++++++++++----------
 src/graphs/shortest-path/floyd-warshall.js |  80 ++++++++
 src/graphs/shortest-path/floyd.js          |  74 --------
 10 files changed, 288 insertions(+), 235 deletions(-)
 create mode 100644 .gitignore
 create mode 100644 src/graphs/shortest-path/floyd-warshall.js
 delete mode 100644 src/graphs/shortest-path/floyd.js

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..5171c540
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+node_modules
+npm-debug.log
\ No newline at end of file
diff --git a/gulpfile.js b/gulpfile.js
index 18d6d1c8..ecc6f686 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -3,6 +3,6 @@ var jsdoc = require('gulp-jsdoc'),
     gulp = require('gulp');
 
 gulp.task('jsdoc', function () {
-  gulp.src('./src/**/*.js')
+  gulp.src(['./src/**/*.js', "readme.md"])
     .pipe(jsdoc('../javascript-algorithms-docs'));
 });
\ No newline at end of file
diff --git a/readme.md b/readme.md
index cdcdb9c2..16772f59 100644
--- a/readme.md
+++ b/readme.md
@@ -1,15 +1,34 @@
-## Note
+## About
 
-Note that not all algorithms are well tested so bugs are quite possible.
+This repository contains JavaScript implementations of different famous Computer Science algorithms.
 
-## About
+API reference with usage examples available <a href="https://mgechev.github.io/javascript-algorithms/" target="_blank">here</a>.
+
+*Note: not all algorithms are well tested so bugs are quite possible.*
+
+## Development
+
+To install all dev dependencies use:
+
+```Bash
+npm install
+```
+
+To setup documentation repository:
+
+* go to the parent directory of the root of `javascript-algorithms`;
+* clone `javascript-algorithms` to directory called `javascript-algorithms-docs` (`git clone git@github.com:mgechev/javascript-algorithms.git javascript-algorithms-docs`);
+* change current branch in `javascript-algorithms-docs` to `gh-pages` (`git checkout gh-pages`).
+
+To generate documentation call:
+
+`gulp jsdocs` inside `javascript-algorithms` folder. Content of the `javascript-algorithms-docs` will be updated and you will be able to look it in your browser.
 
-This repository contains different famous Computer Science algorithms implemented in JavaScript
 
-In order to run the tests use:
+To run tests use:
 
 ```Bash
-jasmine-node test/
+./node_modules/jasmine-node/bin/jasmine-node test/
 ```
 
 and all `*.spec.js` files will be executed.
@@ -25,4 +44,4 @@ Initiate the PR.
 
 ## License
 
-The code in this repository is distributed under the terms of the MIT license.
+The code in this repository is distributed under the terms of the MIT license.
\ No newline at end of file
diff --git a/src/graphs/others/topological-sort.js b/src/graphs/others/topological-sort.js
index 3272c75b..58945075 100644
--- a/src/graphs/others/topological-sort.js
+++ b/src/graphs/others/topological-sort.js
@@ -1,10 +1,6 @@
 (function (exports) {
   'use strict';
 
-  /**
-   * Complexity O(|E|), where E is the set
-   * which contains all edges and |E| is their count.
-   */
   var topologicalSort = (function () {
 
     function topologicalSortHelper(node, visited, temp, graph, result) {
@@ -25,11 +21,24 @@
     }
 
     /**
-     * Implements the topological sort algorithm.
+     * Topological sort algorithm of a directed acyclic graph.<br><br>
+     * Time complexity: O(|E|) where E is a number of edges.
      *
      * @public
-     * @param {object} graph A graph represented with list of neighbors
-     * @return {array} The list containing all nodes in topological sorted order
+     * @module graphs/others/topological-sort
+     * @param {Array} graph Adjacency list, which represents the graph.
+     * @returns {Array} Ordered vertices.
+     *
+     * @example
+     * var topsort = require('path-to-algorithms/src/graphs/others/topological-sort').topologicalSort;
+     * var graph = {
+     *     v1: ['v2', 'v5'],
+     *     v2: [],
+     *     v3: ['v1', 'v2', 'v4', 'v5'],
+     *     v4: [],
+     *     v5: []
+     * };
+     * var vertices = topsort(graph); // ['v3', 'v4', 'v1', 'v5', 'v2']
      */
     return function (graph) {
       var result = [],
@@ -46,5 +55,4 @@
 
   exports.topologicalSort = topologicalSort;
 
-}(typeof exports === 'undefined' ? window : exports));
-
+}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
diff --git a/src/graphs/searching/bfs.js b/src/graphs/searching/bfs.js
index 0aadac94..4711f5cd 100644
--- a/src/graphs/searching/bfs.js
+++ b/src/graphs/searching/bfs.js
@@ -14,16 +14,12 @@
 
     /**
      * Breath-First graph searching algorithm.
-     * Returns the shortest path between startNode and targetNode.
-     * Time complexity O(|V|*|V|).
+     * Returns the shortest path between startNode and targetNode.<br><br>
+     * Time complexity: O(|V|^2).
      *
-     * @module graphs/searching
      * @public
-     * @param {array} graph The adjust matrix, which represents the graph
-     * @param {number} startNode The start node
-     * @param {number} targetNode The target, which should be reached
+     * @module graphs/searching/bfs
      * @param {Array} graph Adjacency matrix, which represents the graph.
-     * @returns {array} The shortest path from startNode to targetNode
      * @param {Number} startNode Start node.
      * @param {Number} targetNode Target, which should be reached.
      * @returns {Array} Shortest path from startNode to targetNode.
@@ -65,4 +61,4 @@
 
   exports.bfs = bfs;
 
-}((typeof window === 'undefined') ? module.exports : window));
+}((typeof window === 'undefined') ? module.exports : window));
\ No newline at end of file
diff --git a/src/graphs/searching/dfs.js b/src/graphs/searching/dfs.js
index e6df5d97..fdaa2524 100644
--- a/src/graphs/searching/dfs.js
+++ b/src/graphs/searching/dfs.js
@@ -1,18 +1,8 @@
-/**
- * Depth-First Search graph searching algorithm.
- * Finds out whether there's a path between
- * two nodes - start node and a target.
- */
-
 (function (exports) {
   'use strict';
 
   var dfs = (function () {
 
-    /**
-     * Implements an iterative DFS.
-     * Complexity O(|V|^2), since it uses adjust matrix.
-     */
     function hasPath(graph, current, goal) {
       var stack = [],
           visited = [],
@@ -35,14 +25,26 @@
     }
 
     /**
-     * Returns whether there's a path between two nodes
-     * in a graph represented with adjust matrix.
+     * Depth-First graph searching algorithm.
+     * Returns whether there's a path between two nodes in a graph.<br><br>
+     * Time complexity: O(|V|^2).
      *
+     * @module graphs/searching/dfs
      * @public
-     * @param {array} graph Adjust matrix representation of a graph
-     * @param {number} start A start node
-     * @param {number} goal The target node
-     * @return {boolean} Returns whether there's a path between start and goal
+     * @param {Array} graph Adjacency matrix, which represents the graph.
+     * @param {Number} start Start node.
+     * @param {Number} goal Target node.
+     * @return {Boolean} Returns true if path between two nodes exists.
+     *
+     * @example
+     * var dfs = require('../src/graphs/searching/dfs').dfs;
+     * var graph = [[1, 1, 0, 0, 1, 0],
+     *              [1, 0, 1, 0, 1, 0],
+     *              [0, 1, 0, 1, 0, 0],
+     *              [0, 0, 1, 0, 1, 1],
+     *              [1, 1, 0, 1, 0, 0],
+     *              [0, 0, 0, 1, 0, 0]];
+     * var pathExists = dfs(graph, 1, 5); // true
      */
     return function (graph, start, goal) {
       return hasPath(graph, start, goal);
@@ -51,4 +53,4 @@
 
   exports.dfs = dfs;
 
-}(typeof exports === 'undefined' ? window : exports));
+}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
diff --git a/src/graphs/shortest-path/bellman-ford.js b/src/graphs/shortest-path/bellman-ford.js
index b5d80939..3746d59e 100644
--- a/src/graphs/shortest-path/bellman-ford.js
+++ b/src/graphs/shortest-path/bellman-ford.js
@@ -7,7 +7,42 @@
     this.weight = weight;
   }
 
-  // Complexity O(|V||E|)
+  /**
+   * Bellman–Ford algorithm computes shortest paths from a single source
+   * vertex to all of the other vertices in a weighted digraph (negative weights allowed).<br><br>
+   * Time complexity: O(|V||E|) where V and E are the number of vertices and edges respectively.
+   *
+   * @public
+   * @module graphs/shortest-path/bellman-ford
+   * @param {Array} vertexes Vertices of the graph.
+   * @param {Array} edges Edges of the graph.
+   * @param {Number} source Start vertex.
+   * @returns {Object} Object with two arrays (parents and distances) with shortest-path information.
+   *
+   * @example
+   * require('path-to-algorithms/src/graphs/shortest-path/bellman-ford');
+   * 
+   * var glob = (typeof window === 'undefined') ? global : window;
+   * var Edge = glob.Edge;
+   * var bellmanFord = glob.bellmanFord;
+   * var edges = [];
+   * var vertexes = [0, 1, 2, 3, 4];
+   * 
+   * edges.push(new Edge(0, 1, -1));
+   * edges.push(new Edge(0, 2, 4));
+   * edges.push(new Edge(1, 2, 3));
+   * edges.push(new Edge(1, 3, 2));
+   * edges.push(new Edge(3, 1, 1));
+   * edges.push(new Edge(4, 3, -3));
+   * edges.push(new Edge(1, 4, 2));
+   * edges.push(new Edge(3, 2, 5));
+   *
+   * // { 
+   * //   parents:   { '0': null, '1':  0, '2': 1, '3':  4, '4': 1 },
+   * //   distances: { '0': 0,    '1': -1, '2': 2, '3': -2, '4': 1 }
+   * // }
+   * var pathInfo = bellmanFord(vertexes, edges, 0);
+   */
   function bellmanFord(vertexes, edges, source) {
     var distances = {}, parents = {}, c;
     for (var i = 0; i < vertexes.length; i += 1) {
@@ -38,20 +73,4 @@
   global.Edge = Edge;
   global.bellmanFord = bellmanFord;
 
-}((typeof window === 'undefined') ? global : window));
-
-// var glob = (typeof window === 'undefined') ? global : window;
-// var Edge = glob.Edge;
-// var bellmanFord = glob.bellmanFord;
-// var edges = [];
-// var vertexes = [0, 1, 2, 3, 4];
-// edges.push(new Edge(0, 1, -1));
-// edges.push(new Edge(0, 2, 4));
-// edges.push(new Edge(1, 2, 3));
-// edges.push(new Edge(1, 3, 2));
-// edges.push(new Edge(3, 1, 1));
-// edges.push(new Edge(4, 3, -3));
-// edges.push(new Edge(1, 4, 2));
-// edges.push(new Edge(3, 2, 5));
-// 
-// console.log(bellmanFord(vertexes, edges, 0));
+}((typeof window === 'undefined') ? global : window));
\ No newline at end of file
diff --git a/src/graphs/shortest-path/dijkstra.js b/src/graphs/shortest-path/dijkstra.js
index 37de6669..433c40fd 100644
--- a/src/graphs/shortest-path/dijkstra.js
+++ b/src/graphs/shortest-path/dijkstra.js
@@ -1,114 +1,115 @@
-/***********************************************
-        A sample distance matrix
- 
-var graph = [[Infinity, 7,        9,        Infinity, Infinity, 16],
-             [7,        Infinity, 10,       15,       Infinity, Infinity],
-             [9,        10,       Infinity, 11,       Infinity, 2],
-             [Infinity, 15,       11,       Infinity, 6,        Infinity],
-             [Infinity, Infinity, Infinity, 6,        Infinity, 9],
-             [16,       Infinity, 2,        Infinity, 9,        Infinity]];
-***********************************************/
-
-
-/**
- * Dijstra's shortest path algorithm.
- * For the implementation is not used the most
- * suitable data structure (Fibonacci heap)
- * but the binary heap gives also good results. The implementation bellow finds
- * the minimum distance between two given nodes using a distance matrix.
- */
-var dijstra = function () {
+(function (exports) {
   'use strict';
 
-  var Heap = require('../../data-structures/heap.js').Heap,
-      current,
-      visited,
-      distance,
-      unvisited;
+  var dijkstra = (function() {
 
+    var Heap = require('../../data-structures/heap.js').Heap,
+        current,
+        visited,
+        distance,
+        unvisited;
 
-  /**
-   * Creates a new node instance
-   *
-   * @constructor
-   * @private
-   * @param {number} id The id of the node
-   * @param {number} distance The distance from the beginning
-   */
-  function Node(id, distance) {
-    this.node = id;
-    this.distance = distance;
-  }
+    /**
+     * Creates a new node instance.
+     *
+     * @constructor
+     * @private
+     * @param {Number} id Id of the node.
+     * @param {Number} distance Distance from the beginning.
+     */
+    function Node(id, distance) {
+      this.node = id;
+      this.distance = distance;
+    }
 
-  /**
-   * Compares the distances between two nodes.
-   *
-   * @private
-   * @param {object} a A node
-   * @param {object} b A graph node
-   * @returns {number} The
-   */
-  function compareNodesDistance(a, b) {
-    return b.distance - a.distance;
-  }
+    /**
+     * Compares the distances between two nodes.
+     *
+     * @private
+     * @param {Node} a 1st node.
+     * @param {Node} b 2nd node.
+     * @returns {number} diff between node distances.
+     */
+    function compareNodesDistance(a, b) {
+      return b.distance - a.distance;
+    }
 
-  /**
-   * Initialize all variables used for the algorithm
-   *
-   * @private
-   * @param {number} src A start node
-   */
-  function init(src, graph) {
-    var currentTemp;
-    current = {};
-    visited = [];
-    distance = [];
-    unvisited = new Heap(compareNodesDistance);
-    for (var i = 0; i < graph.length; i += 1) {
-      currentTemp = new Node();
-      if (src === i) {
-        currentTemp.distance = 0;
-      } else {
-        currentTemp.distance = Infinity;
+    /**
+     * Initialize all variables used for the algorithm.
+     *
+     * @private
+     * @param {number} src Start node.
+     */
+    function init(src, graph) {
+      var currentTemp;
+      current = {};
+      visited = [];
+      distance = [];
+      unvisited = new Heap(compareNodesDistance);
+      for (var i = 0; i < graph.length; i += 1) {
+        currentTemp = new Node();
+        if (src === i) {
+          currentTemp.distance = 0;
+        } else {
+          currentTemp.distance = Infinity;
+        }
+        currentTemp.node = i;
+        visited[i] = false;
+        distance[i] = currentTemp;
+        unvisited.add(currentTemp);
       }
-      currentTemp.node = i;
-      visited[i] = false;
-      distance[i] = currentTemp;
-      unvisited.add(currentTemp);
+      current.node = src;
+      current.distance = 0;
     }
-    current.node = src;
-    current.distance = 0;
-  }
 
-  /**
-   * Dijkstra's shortest path algorithm
-   *
-   * @public
-   * @param {number} src Source node
-   * @param {number} dest Destination node
-   * @param {array} graph A distance matrix of the graph
-   * @returns {number} The shortest distance between the nodes
-   */
-  return function (src, dest, graph) {
-    var  tempDistance = 0;
-    init(src, graph);
-    while (current.node !== dest && isFinite(current.distance)) {
-      for (var i = 0; i < graph.length; i += 1) {
-        if (current.node !== i && //if it's not the current node
-          !visited[i] && //and if we haven't visited this node
-          Number.isFinite(graph[i][current.node])) { //and this node is sibling of the current...
+    /**
+     * Dijkstra's shortest path algorithm. Finds the minimum 
+     * distance between two given nodes using a distance matrix.<br><br>
+     * For the implementation is not used the most suitable data structure
+     * (Fibonacci heap) but the Binary heap gives also good results.
+     *
+     * @public
+     * @module graphs/shortest-path/dijkstra
+     * @param {Number} src Source node.
+     * @param {Number} dest Destination node.
+     * @param {Array} graph A distance matrix of the graph.
+     * @returns {Number} The shortest distance between two nodes.
+     * 
+     * @example
+     * var dijkstra = require('path-to-algorithms/src/graphs/shortest-path/dijkstra').dijkstra;
+     * var distMatrix = [[Infinity, 7,        9,        Infinity, Infinity, 16],
+     *                   [7,        Infinity, 10,       15,       Infinity, Infinity],
+     *                   [9,        10,       Infinity, 11,       Infinity, 2],
+     *                   [Infinity, 15,       11,       Infinity, 6,        Infinity],
+     *                   [Infinity, Infinity, Infinity, 6,        Infinity, 9],
+     *                   [16,       Infinity, 2,        Infinity, 9,        Infinity]];
+     * var shortestDist = dijkstra(0, 2, distMatrix); // 9
+     */
+    return function (src, dest, graph) {
+      var  tempDistance = 0;
+      init(src, graph);
+      while (current.node !== dest && isFinite(current.distance)) {
+        for (var i = 0; i < graph.length; i += 1) {
+          if (current.node !== i && //if it's not the current node
+            !visited[i] && //and if we haven't visited this node
+            Number.isFinite(graph[i][current.node])) { //and this node is sibling of the current...
 
-          tempDistance = current.distance + graph[i][current.node];
-          if (tempDistance < distance[i].distance) {
-            distance[i].distance = tempDistance;
-            current.distance = tempDistance;
-            unvisited.update(current);
+            tempDistance = current.distance + graph[i][current.node];
+            if (tempDistance < distance[i].distance) {
+              distance[i].distance = tempDistance;
+              current.distance = tempDistance;
+              unvisited.update(current);
+            }
           }
         }
+        visited[current.node] = true;
+        current = unvisited.extract();
       }
-      visited[current.node] = true;
-      current = unvisited.extract();
-    }
-    return distance[dest].distance;
-  };
-}();
+      return distance[dest].distance;
+    };
+  
+  })();
+
+  exports.dijkstra = dijkstra;
+
+})(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file
diff --git a/src/graphs/shortest-path/floyd-warshall.js b/src/graphs/shortest-path/floyd-warshall.js
new file mode 100644
index 00000000..565c8319
--- /dev/null
+++ b/src/graphs/shortest-path/floyd-warshall.js
@@ -0,0 +1,80 @@
+(function (exports) {
+  'use strict';
+
+  var floydWarshall = (function () {
+
+    /**
+     * Matrix used for the algorithm.
+     */
+    var dist;
+
+    /**
+     * Initialize the distance matrix.
+     *
+     * @private
+     * @param {array} graph Distance matrix of the array.
+     * @return {array} Distance matrix used for the algorithm.
+     */
+    function init(graph) {
+      var dist = [];
+      var size = graph.length;
+      for (var i = 0; i < size; i += 1) {
+        dist[i] = [];
+        for (var j = 0; j < size; j += 1) {
+          if (i === j) {
+            dist[i][j] = 0;
+          } else if (isNaN(graph[i][j])) {
+            dist[i][j] = Infinity;
+          } else {
+            dist[i][j] = graph[i][j];
+          }
+        }
+      }
+      return dist;
+    }
+
+    /**
+     * Floyd-Warshall algorithm. Finds the shortest path between each two vertices.<br><br>
+     * Complexity: O(|V|^3) where V is the number of vertices.
+     *
+     * @public
+     * @module graphs/shortest-path/floyd-warshall
+     * @param {Array} graph A distance matrix of the graph.
+     * @return {Array} Array which contains the shortest distance between each two vertices.
+     * 
+     * @example
+     * var floydWarshall = require('path-to-algorithms/src/graphs/shortest-path/floyd-warshall').floydWarshall;
+     * var distMatrix = [[NaN, 7,   9,   NaN, NaN, 16],
+     *                   [7,   NaN, 10,  15,  NaN, NaN],
+     *                   [9,   10,  NaN, 11,  NaN, 2],
+     *                   [NaN, 15,  11,  NaN, 6,   NaN],
+     *                   [NaN, NaN, NaN, 6,   NaN, 9],
+     *                   [16,  NaN, 2,   NaN, 9,   NaN]];
+     *
+     * // [ [ 0, 7, 9, 20, 20, 11 ],
+     * //   [ 7, 0, 10, 15, 21, 12 ],
+     * //   [ 9, 10, 0, 11, 11, 2 ],
+     * //   [ 20, 15, 11, 0, 6, 13 ],
+     * //   [ 20, 21, 11, 6, 0, 9 ],
+     * //   [ 11, 12, 2, 13, 9, 0 ] ]
+     * var shortestDists = floydWarshall(distMatrix);
+     */
+    return function (graph) {
+      dist = init(graph);
+      var size = graph.length;
+      for (var k = 0; k < size; k += 1) {
+        for (var i = 0; i < size; i += 1) {
+          for (var j = 0; j < size; j += 1) {
+            if (dist[i][j] > dist[i][k] + dist[k][j]) {
+              dist[i][j] = dist[i][k] + dist[k][j];
+            }
+          }
+        }
+      }
+      return dist;
+    };
+  }());
+
+  exports.floydWarshall = floydWarshall;
+
+})(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file
diff --git a/src/graphs/shortest-path/floyd.js b/src/graphs/shortest-path/floyd.js
deleted file mode 100644
index 41ff368e..00000000
--- a/src/graphs/shortest-path/floyd.js
+++ /dev/null
@@ -1,74 +0,0 @@
-/* * * * * * * * * * * * * * * * * * * * * * * *
-
-        A sample distance matrix
- 
-var graph = [[NaN, 7,   9,   NaN, NaN, 16],
-             [7,   NaN, 10,  15,  NaN, NaN],
-             [9,   10,  NaN, 11,  NaN, 2],
-             [NaN, 15,  11,  NaN, 6,   NaN],
-             [NaN, NaN, NaN, 6,   NaN, 9],
-             [16,  NaN, 2,   NaN, 9,   NaN]];
-
-* * * * * * * * * * * * * * * * * * * * * * * */
-
-/**
- * Finds the shortest distance between all vertices of the graph
- * using the Floyd-Warshall algorithm.
- *
- * Complexity O(n^3)
- */
-var floydWarshall = (function () {
-
-  /**
-   * Matrix used for the algorithm.
-   */
-  var dist;
-
-  /**
-   * Initialize the distance matrix
-   *
-   * @private
-   * @param {array} graph Distance matrix of the array
-   * @return {array} Distance matrix used for the algorithm
-   */
-  function init(graph) {
-    var dist = [];
-    var size = graph.length;
-    for (var i = 0; i < size; i += 1) {
-      dist[i] = [];
-      for (var j = 0; j < size; j += 1) {
-        if (i === j) {
-          dist[i][j] = 0;
-        } else if (isNaN(graph[i][j])) {
-          dist[i][j] = Infinity;
-        } else {
-          dist[i][j] = graph[i][j];
-        }
-      }
-    }
-    return dist;
-  }
-
-  /**
-   * Finds the shortest path between each two vertices
-   * Complexity O(n^3)
-   *
-   * @public
-   * @param {array} graph The graph which should be processed
-   * @return {array} The array which contains the shortest distance between each two vertices
-   */
-  return function (graph) {
-    dist = init(graph);
-    var size = graph.length;
-    for (var k = 0; k < size; k += 1) {
-      for (var i = 0; i < size; i += 1) {
-        for (var j = 0; j < size; j += 1) {
-          if (dist[i][j] > dist[i][k] + dist[k][j]) {
-            dist[i][j] = dist[i][k] + dist[k][j];
-          }
-        }
-      }
-    }
-    return dist;
-  };
-}());

From 8aa65272a03e854ebb06792c2c39159ae5c98e5c Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Fri, 9 Jan 2015 22:10:46 +0200
Subject: [PATCH 014/337] gulp jsdoc command fixed, now @param and @return
 works

---
 doc-config.json | 35 +++++++++++++++++++++++++++++++++++
 gulpfile.js     | 11 +++++------
 package.json    |  3 ++-
 3 files changed, 42 insertions(+), 7 deletions(-)
 create mode 100644 doc-config.json

diff --git a/doc-config.json b/doc-config.json
new file mode 100644
index 00000000..2b64214c
--- /dev/null
+++ b/doc-config.json
@@ -0,0 +1,35 @@
+{
+    "tags": {
+        "allowUnknownTags": true
+    },
+    "source": {
+        "include": [
+            "./src/graphs/searching/",
+            "./src/graphs/others/",
+            "./src/graphs/shortest-path/"
+        ],
+        "includePattern": ".+\\.js(doc)?$",
+        "excludePattern": "docs"
+    },
+    "plugins": [],
+    "templates": {
+        "cleverLinks": false,
+        "monospaceLinks": true,
+        "systemName": "remoteFileExplorer",
+        "footer": "Created by Simon Speich",
+        "copyright": "2013",
+        "navType": "vertical",
+        "theme": "spacelab",
+        "linenums": true,
+        "collapseSymbols": true,
+        "inverseNav": false
+    },
+    "opts": {
+        "template": "templates/default",
+        "encoding": "utf8",
+        "destination": "../javascript-algorithms-docs",
+        "recurse": true,
+        "private": true,
+        "readme": "./readme.md"
+    }
+}
\ No newline at end of file
diff --git a/gulpfile.js b/gulpfile.js
index ecc6f686..b041d05b 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -1,8 +1,7 @@
 'use strict';
-var jsdoc = require('gulp-jsdoc'),
-    gulp = require('gulp');
+var gulp = require('gulp'),
+    shell = require('gulp-shell');
 
-gulp.task('jsdoc', function () {
-  gulp.src(['./src/**/*.js', "readme.md"])
-    .pipe(jsdoc('../javascript-algorithms-docs'));
-});
\ No newline at end of file
+gulp.task('jsdoc', shell.task([
+    './node_modules/.bin/jsdoc -c ./doc-config.json',
+]));
\ No newline at end of file
diff --git a/package.json b/package.json
index 16215507..338952d2 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,8 @@
   },
   "devDependencies": {
     "gulp": "^3.8.10",
-    "gulp-jsdoc": "^0.1.4"
+    "jsdoc": "^3.3.0",
+    "gulp-shell": "^0.2.11"
   },
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"

From 1c312d8dfbae303311c4904cc00397d42e311d53 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Fri, 9 Jan 2015 22:50:35 +0200
Subject: [PATCH 015/337] fix readme.md

---
 readme.md | 35 +++++++++++++++++++++++++++--------
 1 file changed, 27 insertions(+), 8 deletions(-)

diff --git a/readme.md b/readme.md
index 16772f59..1602e33b 100644
--- a/readme.md
+++ b/readme.md
@@ -8,24 +8,43 @@ API reference with usage examples available <a href="https://mgechev.github.io/j
 
 ## Development
 
-To install all dev dependencies use:
+**To install all dev dependencies**
+
+Call:
 
 ```Bash
 npm install
 ```
 
-To setup documentation repository:
+**To setup repository with documentation**
+
+1) go to the parent directory of the `javascript-algorithms` folder and call:
 
-* go to the parent directory of the root of `javascript-algorithms`;
-* clone `javascript-algorithms` to directory called `javascript-algorithms-docs` (`git clone git@github.com:mgechev/javascript-algorithms.git javascript-algorithms-docs`);
-* change current branch in `javascript-algorithms-docs` to `gh-pages` (`git checkout gh-pages`).
+```Bash
+    git clone git@github.com:mgechev/javascript-algorithms.git javascript-algorithms-docs
+```
 
-To generate documentation call:
+2) go to the `javascript-algorithms-docs` folder and change current branch to `gh-pages`:
+
+```Bash
+    git checkout gh-pages
+```
+
+Now you can see `index.html` file in this folder and open it in your browser. 
+
+**To update .html files with documentation**
+
+Go to the `javascript-algorithms` folder and call:
+
+```Bash
+    gulp jsdoc 
+```
 
-`gulp jsdocs` inside `javascript-algorithms` folder. Content of the `javascript-algorithms-docs` will be updated and you will be able to look it in your browser.
+and all files in `javascript-algorithms-docs` folder will be updated.
 
+**To run tests**
 
-To run tests use:
+Call:
 
 ```Bash
 ./node_modules/jasmine-node/bin/jasmine-node test/

From 30f4abdbc54151992a28b501bdc42b0a124f0175 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Fri, 9 Jan 2015 22:51:40 +0200
Subject: [PATCH 016/337] fix readme.md

---
 readme.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/readme.md b/readme.md
index 1602e33b..f0ac7b3d 100644
--- a/readme.md
+++ b/readme.md
@@ -21,13 +21,13 @@ npm install
 1) go to the parent directory of the `javascript-algorithms` folder and call:
 
 ```Bash
-    git clone git@github.com:mgechev/javascript-algorithms.git javascript-algorithms-docs
+git clone git@github.com:mgechev/javascript-algorithms.git javascript-algorithms-docs
 ```
 
 2) go to the `javascript-algorithms-docs` folder and change current branch to `gh-pages`:
 
 ```Bash
-    git checkout gh-pages
+git checkout gh-pages
 ```
 
 Now you can see `index.html` file in this folder and open it in your browser. 
@@ -37,7 +37,7 @@ Now you can see `index.html` file in this folder and open it in your browser.
 Go to the `javascript-algorithms` folder and call:
 
 ```Bash
-    gulp jsdoc 
+gulp jsdoc 
 ```
 
 and all files in `javascript-algorithms-docs` folder will be updated.

From e360097da2156058a07f966e5845248a8892bc70 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Fri, 9 Jan 2015 22:58:30 +0200
Subject: [PATCH 017/337] fix doc config and gitignore

---
 .gitignore      |  3 ++-
 doc-config.json | 15 ++-------------
 2 files changed, 4 insertions(+), 14 deletions(-)

diff --git a/.gitignore b/.gitignore
index 5171c540..f5e1cf62 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 node_modules
-npm-debug.log
\ No newline at end of file
+npm-debug.log
+debug
\ No newline at end of file
diff --git a/doc-config.json b/doc-config.json
index 2b64214c..9e345526 100644
--- a/doc-config.json
+++ b/doc-config.json
@@ -6,24 +6,13 @@
         "include": [
             "./src/graphs/searching/",
             "./src/graphs/others/",
-            "./src/graphs/shortest-path/"
+            "./src/graphs/shortest-path/",
+            "./src/graphs/spanning-trees/"
         ],
         "includePattern": ".+\\.js(doc)?$",
         "excludePattern": "docs"
     },
     "plugins": [],
-    "templates": {
-        "cleverLinks": false,
-        "monospaceLinks": true,
-        "systemName": "remoteFileExplorer",
-        "footer": "Created by Simon Speich",
-        "copyright": "2013",
-        "navType": "vertical",
-        "theme": "spacelab",
-        "linenums": true,
-        "collapseSymbols": true,
-        "inverseNav": false
-    },
     "opts": {
         "template": "templates/default",
         "encoding": "utf8",

From cc5c947758c5ebae45321c7770e09c0a31a403e9 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sat, 10 Jan 2015 01:10:41 +0200
Subject: [PATCH 018/337] fix bellman-ford code&doc, add prim jsdoc

---
 src/graphs/shortest-path/bellman-ford.js |  79 +++---
 src/graphs/spanning-trees/prim.js        | 291 ++++++++++++-----------
 2 files changed, 195 insertions(+), 175 deletions(-)

diff --git a/src/graphs/shortest-path/bellman-ford.js b/src/graphs/shortest-path/bellman-ford.js
index 3746d59e..6f7103b2 100644
--- a/src/graphs/shortest-path/bellman-ford.js
+++ b/src/graphs/shortest-path/bellman-ford.js
@@ -1,49 +1,63 @@
-(function (global) {
+/**
+ * Bellman–Ford algorithm computes shortest paths from a single source
+ * vertex to all of the other vertices in a weighted digraph (negative weights allowed).<br><br>
+ * Time complexity: O(|V||E|) where V and E are the number of vertices and edges respectively.
+ *
+ * @example
+ *
+ * var BellmanFord = require('../src/graphs/shortest-path/bellman-ford');
+ * var Edge = BellmanFord.Edge;
+ * var bellmanFord = BellmanFord.bellmanFord;
+ * var edges = [];
+ * var vertexes = [0, 1, 2, 3, 4];
+ *
+ * edges.push(new Edge(0, 1, -1));
+ * edges.push(new Edge(0, 2, 4));
+ * edges.push(new Edge(1, 2, 3));
+ * edges.push(new Edge(1, 3, 2));
+ * edges.push(new Edge(3, 1, 1));
+ * edges.push(new Edge(4, 3, -3));
+ * edges.push(new Edge(1, 4, 2));
+ * edges.push(new Edge(3, 2, 5));
+ *
+ * // { 
+ * //   parents:   { '0': null, '1':  0, '2': 1, '3':  4, '4': 1 },
+ * //   distances: { '0': 0,    '1': -1, '2': 2, '3': -2, '4': 1 }
+ * // }
+ * var pathInfo = bellmanFord(vertexes, edges, 0);
+ *
+ * @module graphs/shortest-path/bellman-ford
+ */
+(function (exports) {
+
   'use strict';
 
-  function Edge(u, v, weight) {
+  /**
+   * Graph edge.
+   *
+   * @constructor
+   * @public
+   * @param {Vertex} u Start vertex.
+   * @param {Vertex} v End vertex.
+   * @param {Number} weight Weight of the edge.
+   */
+  exports.Edge = function(u, v, weight) {
     this.from = u;
     this.to = v;
     this.weight = weight;
   }
 
   /**
-   * Bellman–Ford algorithm computes shortest paths from a single source
-   * vertex to all of the other vertices in a weighted digraph (negative weights allowed).<br><br>
-   * Time complexity: O(|V||E|) where V and E are the number of vertices and edges respectively.
+   * Computes shortest paths from a single source vertex to all of the other vertices.
    *
    * @public
-   * @module graphs/shortest-path/bellman-ford
    * @param {Array} vertexes Vertices of the graph.
    * @param {Array} edges Edges of the graph.
    * @param {Number} source Start vertex.
    * @returns {Object} Object with two arrays (parents and distances) with shortest-path information.
    *
-   * @example
-   * require('path-to-algorithms/src/graphs/shortest-path/bellman-ford');
-   * 
-   * var glob = (typeof window === 'undefined') ? global : window;
-   * var Edge = glob.Edge;
-   * var bellmanFord = glob.bellmanFord;
-   * var edges = [];
-   * var vertexes = [0, 1, 2, 3, 4];
-   * 
-   * edges.push(new Edge(0, 1, -1));
-   * edges.push(new Edge(0, 2, 4));
-   * edges.push(new Edge(1, 2, 3));
-   * edges.push(new Edge(1, 3, 2));
-   * edges.push(new Edge(3, 1, 1));
-   * edges.push(new Edge(4, 3, -3));
-   * edges.push(new Edge(1, 4, 2));
-   * edges.push(new Edge(3, 2, 5));
-   *
-   * // { 
-   * //   parents:   { '0': null, '1':  0, '2': 1, '3':  4, '4': 1 },
-   * //   distances: { '0': 0,    '1': -1, '2': 2, '3': -2, '4': 1 }
-   * // }
-   * var pathInfo = bellmanFord(vertexes, edges, 0);
    */
-  function bellmanFord(vertexes, edges, source) {
+  exports.bellmanFord = function(vertexes, edges, source) {
     var distances = {}, parents = {}, c;
     for (var i = 0; i < vertexes.length; i += 1) {
       distances[vertexes[i]] = Infinity;
@@ -70,7 +84,4 @@
     return { parents: parents, distances: distances };
   }
 
-  global.Edge = Edge;
-  global.bellmanFord = bellmanFord;
-
-}((typeof window === 'undefined') ? global : window));
\ No newline at end of file
+})(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file
diff --git a/src/graphs/spanning-trees/prim.js b/src/graphs/spanning-trees/prim.js
index 6e088852..fc1142cd 100644
--- a/src/graphs/spanning-trees/prim.js
+++ b/src/graphs/spanning-trees/prim.js
@@ -1,169 +1,178 @@
-var Heap = require('../../data-structures/heap').Heap;
-
 /**
- * Graph vertex
+ * Prim's algorithm is a greedy algorithm that finds a minimum
+ * spanning tree for a connected weighted undirected graph.
  *
- * @constructor
- * @public
- * @param {number} id The id of the vertex
- */
-function Vertex(id) {
-  'use strict';
-  this.id = id;
-}
-
-/**
- * Graph edge
+ * @example
  *
- * @constructor
- * @public
- * @param {Vertex} e Vertex which this edge connects
- * @param {Vertex} v Vertex which this edge connects
- * @param {number} distance Weight of the node
- */
-function Edge(e, v, distance) {
-  'use strict';
-  this.e = e;
-  this.v = v;
-  this.distance = distance;
-}
-
-/**
- * Graph
+ * var Prim = require('path-to-algorithms/src/graphs/spanning-trees/prim');
+ * var Graph = Prim.Graph;
+ * var Edge = Prim.Edge;
+ * var Vertex = Prim.Vertex;
  *
- * @constructor
- * @public
- */
-function Graph(edges, nodesCount) {
-  'use strict';
-  this.edges = edges || [];
-  this.nodesCount = nodesCount || 0;
-}
-
-/**
- * Prim's algorithm for minimum spanning tree
+ * var graph, edges = [];
+ * edges.push(new Edge(new Vertex(0), new Vertex(1), 4));
+ * edges.push(new Edge(new Vertex(0), new Vertex(7), 8));
+ * edges.push(new Edge(new Vertex(1), new Vertex(7), 11));
+ * edges.push(new Edge(new Vertex(1), new Vertex(2), 8));
+ * edges.push(new Edge(new Vertex(2), new Vertex(8), 2));
+ * edges.push(new Edge(new Vertex(2), new Vertex(3), 7));
+ * edges.push(new Edge(new Vertex(2), new Vertex(5), 4));
+ * edges.push(new Edge(new Vertex(2), new Vertex(3), 7));
+ * edges.push(new Edge(new Vertex(3), new Vertex(4), 9));
+ * edges.push(new Edge(new Vertex(3), new Vertex(5), 14));
+ * edges.push(new Edge(new Vertex(4), new Vertex(5), 10));
+ * edges.push(new Edge(new Vertex(5), new Vertex(6), 2));
+ * edges.push(new Edge(new Vertex(6), new Vertex(8), 6));
+ * edges.push(new Edge(new Vertex(8), new Vertex(7), 7));
+ * graph = new Graph(edges, 9);
+ *
+ * // { edges: 
+ * //    [ { e: '1', v: 0, distance: 4 },
+ * //      { e: '2', v: 8, distance: 2 },
+ * //      { e: '3', v: 2, distance: 7 },
+ * //      { e: '4', v: 3, distance: 9 },
+ * //      { e: '5', v: 2, distance: 4 },
+ * //      { e: '6', v: 5, distance: 2 },
+ * //      { e: '7', v: 0, distance: 8 },
+ * //      { e: '8', v: 7, distance: 7 } ],
+ * //   nodesCount: 0 }
+ * var spanningTree = graph.prim();
  *
- * @public
- * @return {Graph} Graph which is the minimum spanning tree
+ * @module graphs/spanning-trees/prim
  */
-Graph.prototype.prim = (function () {
+(function (exports) {
+
   'use strict';
 
-  var queue;
+  var Heap = require('../../data-structures/heap').Heap;
 
   /**
-   * Initialize the algorithm.
+   * Graph vertex.
    *
-   * @private
+   * @constructor
+   * @public
+   * @param {Number} id Id of the vertex.
    */
-  function init() {
-    queue = new Heap(compareEdges);
+  exports.Vertex = function(id) {
+    this.id = id;
   }
 
   /**
-   * Used for comparitions in the heap
+   * Graph edge.
    *
-   * @private
-   * @param {Vertex} a First operand of the comparition
-   * @param {Vertex} b Second operand of the comparition
-   * @return {number} Number which which is equal, greater or less then zero and
-   *  indicates whether the first vertex is "greater" than the second.
+   * @constructor
+   * @public
+   * @param {Vertex} e Vertex which this edge connects.
+   * @param {Vertex} v Vertex which this edge connects.
+   * @param {Number} distance Weight of the edge.
    */
-  function compareEdges(a, b) {
-    return b.distance - a.distance;
+  exports.Edge = function(e, v, distance) {
+    this.e = e;
+    this.v = v;
+    this.distance = distance;
   }
 
   /**
-   * Prim's algorithm implementation
+   * Graph.
    *
+   * @constructor
    * @public
-   * @return {Graph} Minimum spanning tree.
+   * @param {Array} edges Array with graph edges.
+   * @param {Number} nodesCount Number of nodes in graph.
    */
-  return function () {
-    init.call(this);
-    var inTheTree = {},
-        startVertex = this.edges[0].e.id,
-        spannigTree = [],
-        parents = {},
-        distances = {},
-        current;
-    inTheTree[startVertex] = true;
-    queue.add({
-      node: startVertex,
-      distance: 0
-    });
-    for (var i = 0; i < this.nodesCount - 1; i += 1) {
-      current = queue.extract().node;
-      inTheTree[current] = true;
-      this.edges.forEach(function (e) {
-        if (inTheTree[e.v.id] && inTheTree[e.e.id]) {
-          return;
-        }
-        var collection = queue.getCollection(),
-            node;
-        if (e.e.id === current) {
-          node = e.v.id;
-        } else if (e.v.id === current) {
-          node = e.e.id;
-        } else {
-          return;
-        }
-        for (var i = 0; i < collection.length; i += 1) {
-          if (collection[i].node === node) {
-            if (collection[i].distance > e.distance) {
-              queue.changeKey(i, {
-                node: node,
-                distance: e.distance
-              });
-              parents[node] = current;
-              distances[node] = e.distance;
-            }
-            return;
-          }
-        }
-        queue.add({
-          node: node,
-          distance: e.distance
-        });
-        parents[node] = current;
-        distances[node] = e.distance;
-      });
-      console.log(queue._heap);
-      console.log();
-    }
-    for (var node in parents) {
-      spannigTree.push(new Edge(node, parents[node], distances[node]));
-    }
-    return new Graph(spannigTree);
-  };
+  exports.Graph = function(edges, nodesCount) {
+    this.edges = edges || [];
+    this.nodesCount = nodesCount || 0;
+  }
 
-}());
+  /**
+   * Executes Prim's algorithm and returns minimum spanning tree.
+   *
+   * @public
+   * @method
+   * @return {Graph} Graph which is the minimum spanning tree.
+   */
+  exports.Graph.prototype.prim = (function () {
+    var queue;
 
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
- * * * * * * * * * * * * * *  Sample graph * * * * * * * * * * *
- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
- 
-(function () {
-  'use strict';
-  var graph, edges = [];
-  edges.push(new Edge(new Vertex(0), new Vertex(1), 4));
-  edges.push(new Edge(new Vertex(0), new Vertex(7), 8));
-  edges.push(new Edge(new Vertex(1), new Vertex(7), 11));
-  edges.push(new Edge(new Vertex(1), new Vertex(2), 8));
-  edges.push(new Edge(new Vertex(2), new Vertex(8), 2));
-  edges.push(new Edge(new Vertex(2), new Vertex(3), 7));
-  edges.push(new Edge(new Vertex(2), new Vertex(5), 4));
-  edges.push(new Edge(new Vertex(2), new Vertex(3), 7));
-  edges.push(new Edge(new Vertex(3), new Vertex(4), 9));
-  edges.push(new Edge(new Vertex(3), new Vertex(5), 14));
-  edges.push(new Edge(new Vertex(4), new Vertex(5), 10));
-  edges.push(new Edge(new Vertex(5), new Vertex(6), 2));
-  edges.push(new Edge(new Vertex(6), new Vertex(8), 6));
-  edges.push(new Edge(new Vertex(8), new Vertex(7), 7));
-  graph = new Graph(edges, 9);
+    /**
+     * Initialize the algorithm.
+     *
+     * @private
+     */
+    function init() {
+      queue = new Heap(compareEdges);
+    }
 
-  console.log(graph.prim());
-}());
+    /**
+     * Used for comparitions in the heap
+     *
+     * @private
+     * @param {Vertex} a First operand of the comparition.
+     * @param {Vertex} b Second operand of the comparition.
+     * @return {number} Number which which is equal, greater or less then zero and
+     *  indicates whether the first vertex is "greater" than the second.
+     */
+    function compareEdges(a, b) {
+      return b.distance - a.distance;
+    }
+
+    return function () {
+      init.call(this);
+      var inTheTree = {},
+          startVertex = this.edges[0].e.id,
+          spannigTree = [],
+          parents = {},
+          distances = {},
+          current;
+      inTheTree[startVertex] = true;
+      queue.add({
+        node: startVertex,
+        distance: 0
+      });
+      for (var i = 0; i < this.nodesCount - 1; i += 1) {
+        current = queue.extract().node;
+        inTheTree[current] = true;
+        this.edges.forEach(function (e) {
+          if (inTheTree[e.v.id] && inTheTree[e.e.id]) {
+            return;
+          }
+          var collection = queue.getCollection(),
+              node;
+          if (e.e.id === current) {
+            node = e.v.id;
+          } else if (e.v.id === current) {
+            node = e.e.id;
+          } else {
+            return;
+          }
+          for (var i = 0; i < collection.length; i += 1) {
+            if (collection[i].node === node) {
+              if (collection[i].distance > e.distance) {
+                queue.changeKey(i, {
+                  node: node,
+                  distance: e.distance
+                });
+                parents[node] = current;
+                distances[node] = e.distance;
+              }
+              return;
+            }
+          }
+          queue.add({
+            node: node,
+            distance: e.distance
+          });
+          parents[node] = current;
+          distances[node] = e.distance;
+        });
+      }
+      for (var node in parents) {
+        spannigTree.push(new exports.Edge(node, parents[node], distances[node]));
+      }
+      return new exports.Graph(spannigTree);
+    };
 
+  }());
 
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+})(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file

From 5f952685a8e9959bf38e3629441cc336698b1f5e Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sat, 10 Jan 2015 01:15:21 +0200
Subject: [PATCH 019/337] fix example

---
 src/graphs/shortest-path/bellman-ford.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/graphs/shortest-path/bellman-ford.js b/src/graphs/shortest-path/bellman-ford.js
index 6f7103b2..1b4f9aff 100644
--- a/src/graphs/shortest-path/bellman-ford.js
+++ b/src/graphs/shortest-path/bellman-ford.js
@@ -5,7 +5,7 @@
  *
  * @example
  *
- * var BellmanFord = require('../src/graphs/shortest-path/bellman-ford');
+ * var BellmanFord = require('path-to-algorithms/src/graphs/shortest-path/bellman-ford');
  * var Edge = BellmanFord.Edge;
  * var bellmanFord = BellmanFord.bellmanFord;
  * var edges = [];

From 1eef837da710d1a72089b1d0a62e34dee6b03ee8 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 10 Jan 2015 02:52:26 +0200
Subject: [PATCH 020/337] Update contributors list

---
 readme.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/readme.md b/readme.md
index 16772f59..bbf4fc4b 100644
--- a/readme.md
+++ b/readme.md
@@ -40,7 +40,7 @@ Initiate the PR.
 
 ## Contributors
 
-[![mgechev](https://avatars.githubusercontent.com/u/455023?v=3&s=117)](https://github.com/mgechev)[![Microfed](https://avatars.githubusercontent.com/u/613179?v=3&s=117)](https://github.com/Microfed)[![contra](https://avatars.githubusercontent.com/u/425716?v=3&s=117)](https://github.com/contra)
+[![mgechev](https://avatars.githubusercontent.com/u/455023?v=3&s=117)](https://github.com/mgechev)[![AndreyGeonya](https://avatars.githubusercontent.com/u/773648?v=3&s=117)](https://github.com/AndreyGeonya)[![Microfed](https://avatars.githubusercontent.com/u/613179?v=3&s=117)](https://github.com/Microfed)[![contra](https://avatars.githubusercontent.com/u/425716?v=3&s=117)](https://github.com/contra)
 
 ## License
 

From ade43d9e76367e66d8c6130ead3e15120fd0e3ec Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 10 Jan 2015 11:59:43 +0200
Subject: [PATCH 021/337] Update readme

---
 readme.md | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/readme.md b/readme.md
index 2c69b5f2..ab03808f 100644
--- a/readme.md
+++ b/readme.md
@@ -12,7 +12,7 @@ API reference with usage examples available <a href="https://mgechev.github.io/j
 
 Call:
 
-```Bash
+```bash
 npm install
 ```
 
@@ -20,13 +20,13 @@ npm install
 
 1) go to the parent directory of the `javascript-algorithms` folder and call:
 
-```Bash
+```bash
 git clone git@github.com:mgechev/javascript-algorithms.git javascript-algorithms-docs
 ```
 
 2) go to the `javascript-algorithms-docs` folder and change current branch to `gh-pages`:
 
-```Bash
+```bash
 git checkout gh-pages
 ```
 
@@ -36,7 +36,7 @@ Now you can see `index.html` file in this folder and open it in your browser.
 
 Go to the `javascript-algorithms` folder and call:
 
-```Bash
+```bash
 gulp jsdoc 
 ```
 
@@ -44,10 +44,16 @@ and all files in `javascript-algorithms-docs` folder will be updated.
 
 **To run tests**
 
+You should install `jasmine-node`:
+
+```bash
+npm install -g jasmine-node
+```
+
 Call:
 
-```Bash
-./node_modules/jasmine-node/bin/jasmine-node test/
+```bash
+jasmine-node test/
 ```
 
 and all `*.spec.js` files will be executed.

From fd822d2c96487472791ce1912bc03743b51ba515 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 10 Jan 2015 12:02:06 +0200
Subject: [PATCH 022/337] Update formatting in Prim's algorithm

---
 src/graphs/spanning-trees/prim.js | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/src/graphs/spanning-trees/prim.js b/src/graphs/spanning-trees/prim.js
index fc1142cd..b5100825 100644
--- a/src/graphs/spanning-trees/prim.js
+++ b/src/graphs/spanning-trees/prim.js
@@ -24,7 +24,7 @@
  * edges.push(new Edge(new Vertex(5), new Vertex(6), 2));
  * edges.push(new Edge(new Vertex(6), new Vertex(8), 6));
  * edges.push(new Edge(new Vertex(8), new Vertex(7), 7));
- * graph = new Graph(edges, 9);
+ * graph = new Graph(edges, edges.length);
  *
  * // { edges: 
  * //    [ { e: '1', v: 0, distance: 4 },
@@ -53,9 +53,9 @@
    * @public
    * @param {Number} id Id of the vertex.
    */
-  exports.Vertex = function(id) {
+  exports.Vertex = function (id) {
     this.id = id;
-  }
+  };
 
   /**
    * Graph edge.
@@ -66,11 +66,11 @@
    * @param {Vertex} v Vertex which this edge connects.
    * @param {Number} distance Weight of the edge.
    */
-  exports.Edge = function(e, v, distance) {
+  exports.Edge = function (e, v, distance) {
     this.e = e;
     this.v = v;
     this.distance = distance;
-  }
+  };
 
   /**
    * Graph.
@@ -80,10 +80,10 @@
    * @param {Array} edges Array with graph edges.
    * @param {Number} nodesCount Number of nodes in graph.
    */
-  exports.Graph = function(edges, nodesCount) {
+  exports.Graph = function (edges, nodesCount) {
     this.edges = edges || [];
     this.nodesCount = nodesCount || 0;
-  }
+  };
 
   /**
    * Executes Prim's algorithm and returns minimum spanning tree.
@@ -110,8 +110,9 @@
      * @private
      * @param {Vertex} a First operand of the comparition.
      * @param {Vertex} b Second operand of the comparition.
-     * @return {number} Number which which is equal, greater or less then zero and
-     *  indicates whether the first vertex is "greater" than the second.
+     * @return {number} Number which which is equal, greater or
+     *  less then zero and indicates whether the first vertex is
+     *  "greater" than the second.
      */
     function compareEdges(a, b) {
       return b.distance - a.distance;
@@ -168,7 +169,8 @@
         });
       }
       for (var node in parents) {
-        spannigTree.push(new exports.Edge(node, parents[node], distances[node]));
+        spannigTree.push(
+          new exports.Edge(node, parents[node], distances[node]));
       }
       return new exports.Graph(spannigTree);
     };

From 7877d627842f48ffb258ccdb8126fda365b18e98 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 10 Jan 2015 12:04:11 +0200
Subject: [PATCH 023/337] Update Bellman-Ford formatting

---
 src/graphs/shortest-path/bellman-ford.js | 26 ++++++++++++++----------
 1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/src/graphs/shortest-path/bellman-ford.js b/src/graphs/shortest-path/bellman-ford.js
index 1b4f9aff..ce836005 100644
--- a/src/graphs/shortest-path/bellman-ford.js
+++ b/src/graphs/shortest-path/bellman-ford.js
@@ -1,11 +1,14 @@
 /**
  * Bellman–Ford algorithm computes shortest paths from a single source
- * vertex to all of the other vertices in a weighted digraph (negative weights allowed).<br><br>
- * Time complexity: O(|V||E|) where V and E are the number of vertices and edges respectively.
+ * vertex to all of the other vertices in a weighted digraph
+ * (negative weights allowed).<br><br>
+ * Time complexity: O(|V||E|) where V and E are the number of
+ * vertices and edges respectively.
  *
  * @example
  *
- * var BellmanFord = require('path-to-algorithms/src/graphs/shortest-path/bellman-ford');
+ * var BellmanFord =
+ *    require('path-to-algorithms/src/graphs/shortest-path/bellman-ford');
  * var Edge = BellmanFord.Edge;
  * var bellmanFord = BellmanFord.bellmanFord;
  * var edges = [];
@@ -20,7 +23,7 @@
  * edges.push(new Edge(1, 4, 2));
  * edges.push(new Edge(3, 2, 5));
  *
- * // { 
+ * // {
  * //   parents:   { '0': null, '1':  0, '2': 1, '3':  4, '4': 1 },
  * //   distances: { '0': 0,    '1': -1, '2': 2, '3': -2, '4': 1 }
  * // }
@@ -41,23 +44,24 @@
    * @param {Vertex} v End vertex.
    * @param {Number} weight Weight of the edge.
    */
-  exports.Edge = function(u, v, weight) {
+  exports.Edge = function (u, v, weight) {
     this.from = u;
     this.to = v;
     this.weight = weight;
-  }
+  };
 
   /**
-   * Computes shortest paths from a single source vertex to all of the other vertices.
+   * Computes shortest paths from a single source
+   * vertex to all of the other vertices.
    *
    * @public
    * @param {Array} vertexes Vertices of the graph.
    * @param {Array} edges Edges of the graph.
    * @param {Number} source Start vertex.
-   * @returns {Object} Object with two arrays (parents and distances) with shortest-path information.
-   *
+   * @returns {Object} Object with two arrays (parents and distances)
+   *   with shortest-path information.
    */
-  exports.bellmanFord = function(vertexes, edges, source) {
+  exports.bellmanFord = function (vertexes, edges, source) {
     var distances = {}, parents = {}, c;
     for (var i = 0; i < vertexes.length; i += 1) {
       distances[vertexes[i]] = Infinity;
@@ -82,6 +86,6 @@
     }
 
     return { parents: parents, distances: distances };
-  }
+  };
 
 })(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file

From f48057148114a2f2059066c3fcbdeb86d620bb6b Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 10 Jan 2015 12:13:43 +0200
Subject: [PATCH 024/337] Fix the indentation according to jshintrc

---
 gulpfile.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gulpfile.js b/gulpfile.js
index b041d05b..e11ae96b 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -3,5 +3,5 @@ var gulp = require('gulp'),
     shell = require('gulp-shell');
 
 gulp.task('jsdoc', shell.task([
-    './node_modules/.bin/jsdoc -c ./doc-config.json',
+  './node_modules/.bin/jsdoc -c ./doc-config.json',
 ]));
\ No newline at end of file

From 205fbe0cad53b2feac7dd5f9d177334e6edb8f0c Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 10 Jan 2015 12:18:47 +0200
Subject: [PATCH 025/337] Update the graph representation of the Floyd-Warshall
 algorithm

---
 src/graphs/shortest-path/floyd-warshall.js | 28 ++++++++++++----------
 1 file changed, 16 insertions(+), 12 deletions(-)

diff --git a/src/graphs/shortest-path/floyd-warshall.js b/src/graphs/shortest-path/floyd-warshall.js
index 565c8319..4e97fd12 100644
--- a/src/graphs/shortest-path/floyd-warshall.js
+++ b/src/graphs/shortest-path/floyd-warshall.js
@@ -23,7 +23,7 @@
         for (var j = 0; j < size; j += 1) {
           if (i === j) {
             dist[i][j] = 0;
-          } else if (isNaN(graph[i][j])) {
+          } else if (!isFinite(graph[i][j])) {
             dist[i][j] = Infinity;
           } else {
             dist[i][j] = graph[i][j];
@@ -34,22 +34,26 @@
     }
 
     /**
-     * Floyd-Warshall algorithm. Finds the shortest path between each two vertices.<br><br>
+     * Floyd-Warshall algorithm. Finds the shortest path between
+     * each two vertices.<br><br>
      * Complexity: O(|V|^3) where V is the number of vertices.
      *
      * @public
      * @module graphs/shortest-path/floyd-warshall
      * @param {Array} graph A distance matrix of the graph.
-     * @return {Array} Array which contains the shortest distance between each two vertices.
-     * 
+     * @return {Array} Array which contains the shortest
+     *    distance between each two vertices.
+     *
      * @example
-     * var floydWarshall = require('path-to-algorithms/src/graphs/shortest-path/floyd-warshall').floydWarshall;
-     * var distMatrix = [[NaN, 7,   9,   NaN, NaN, 16],
-     *                   [7,   NaN, 10,  15,  NaN, NaN],
-     *                   [9,   10,  NaN, 11,  NaN, 2],
-     *                   [NaN, 15,  11,  NaN, 6,   NaN],
-     *                   [NaN, NaN, NaN, 6,   NaN, 9],
-     *                   [16,  NaN, 2,   NaN, 9,   NaN]];
+     * var floydWarshall =
+     * require('path-to-algorithms/src/graphs/shortest-path/floyd-warshall').floydWarshall;
+     * var distMatrix =
+     *    [[Infinity, 7,        9,       Infinity,  Infinity, 16],
+     *     [7,        Infinity, 10,       15,       Infinity, Infinity],
+     *     [9,        10,       Infinity, 11,       Infinity, 2],
+     *     [Infinity, 15,       11,       Infinity, 6,        Infinity],
+     *     [Infinity, Infinity, Infinity, 6,        Infinity, 9],
+     *     [16,       Infinity, 2,        Infinity, 9,        Infinity]];
      *
      * // [ [ 0, 7, 9, 20, 20, 11 ],
      * //   [ 7, 0, 10, 15, 21, 12 ],
@@ -77,4 +81,4 @@
 
   exports.floydWarshall = floydWarshall;
 
-})(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file
+})(typeof window === 'undefined' ? module.exports : window);

From 7bac8f585d334b5add27a87243b7a156bc3dacd0 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 10 Jan 2015 12:55:34 +0200
Subject: [PATCH 026/337] Update algorithms formatting

---
 src/combinatorics/cartesianproduct.js         |  1 +
 src/combinatorics/combinations.js             |  1 +
 src/data-structures/binary-search-tree.js     | 92 ++++++++++++-------
 src/data-structures/interval-tree.js          |  3 +-
 src/data-structures/red-black-tree.js         |  1 -
 src/data-structures/suffix-tree.js            |  7 --
 src/graphs/others/topological-sort.js         |  6 +-
 src/graphs/shortest-path/dijkstra.js          | 23 +++--
 src/others/hanoi.js                           | 26 ++++--
 src/searching/binarysearch/binarysearch.js    |  4 +-
 .../longest-increasing-subsequence.js         | 42 ++++++---
 .../maximum-subarray-divide-and-conquer.js    |  1 -
 src/searching/subarray/maximum-subarray.js    | 38 +++++---
 src/sets/quickfind.js                         |  2 +
 src/sets/quickunion.js                        |  6 +-
 src/sets/weightquickunion.js                  |  6 +-
 src/shuffle/richarddurstenfeld.js             |  1 +
 src/sorting/bubblesort/bubblesort.js          |  1 +
 src/sorting/heapsort/heapsort.js              |  1 -
 .../insertionsort/insertion-binary-sort.js    |  1 -
 src/sorting/insertionsort/insertionsort.js    |  1 -
 .../insertionsort/recursive-insertionsort.js  |  1 -
 src/sorting/linearsort/bucketsort.js          |  1 -
 src/sorting/linearsort/countingsort.js        |  1 -
 src/sorting/mergesort/mergesort.js            |  4 +-
 src/sorting/most-significant-digit/msd.js     |  1 -
 src/sorting/selectionsort/selectionsort.js    |  1 -
 src/sorting/shellsort/shellsort.js            |  1 -
 test/data-structures/red-black-tree.spec.js   | 10 +-
 test/sorting/bubblesort/bubblesort.spec.js    |  3 +-
 .../insertionsort/insertionbinarysort.spec.js |  4 +-
 .../insertionsort/insertionsort.spec.js       |  3 +-
 .../recursiveinsertionsort.spec.js            |  3 +-
 test/sorting/mergesort/mergesort.spec.js      |  3 +-
 .../quicksort/quicksort-middle.spec.js        |  3 +-
 test/sorting/quicksort/quicksort.spec.js      |  3 +-
 .../selectionsort/selectionsort.spec.js       |  3 +-
 test/sorting/sort.testcase.js                 |  1 -
 38 files changed, 190 insertions(+), 120 deletions(-)

diff --git a/src/combinatorics/cartesianproduct.js b/src/combinatorics/cartesianproduct.js
index 74024f41..e2c1a208 100644
--- a/src/combinatorics/cartesianproduct.js
+++ b/src/combinatorics/cartesianproduct.js
@@ -24,3 +24,4 @@
   exports.cartesianProduct = cartesianProduct;
 
 }(typeof exports === 'undefined' ? window : exports));
+
diff --git a/src/combinatorics/combinations.js b/src/combinatorics/combinations.js
index fbd5fa3f..4c7ff38a 100644
--- a/src/combinatorics/combinations.js
+++ b/src/combinatorics/combinations.js
@@ -28,3 +28,4 @@
   exports.combinations = combinations;
 
 }(typeof exports === 'undefined' ? window : exports));
+
diff --git a/src/data-structures/binary-search-tree.js b/src/data-structures/binary-search-tree.js
index 85ac9da5..f9df6f49 100644
--- a/src/data-structures/binary-search-tree.js
+++ b/src/data-structures/binary-search-tree.js
@@ -34,7 +34,8 @@
   }
 
   /**
-   * Inserts a node into the binary tree. The method's complexity is O(log n) in the average case and
+   * Inserts a node into the binary tree. The method's
+   * complexity is O(log n) in the average case and
    * O(n) in the worst case.
    *
    * @public
@@ -48,29 +49,34 @@
     }
     var insertKey;
     current = current || this._root;
-    if (current.value > value)
+    if (current.value > value) {
       insertKey = '_left';
-    else
+    } else {
       insertKey = '_right';
-    if (!current[insertKey])
+    }
+    if (!current[insertKey]) {
       current[insertKey] = new Node(value, null, null, current);
-    else
+    } else {
       this.insert(value, current[insertKey]);
+    }
   };
 
   /**
-   * Prints the nodes of the tree in order. It starts the tree traversal from a given node.
+   * Prints the nodes of the tree in order.
+   * It starts the tree traversal from a given node.
    *
    * @private
    * @param {Node} Node from which to start the traversal
    * @param {Function} Callback which will be called for each traversed node
    */
   BinaryTree.prototype._inorder = function (current, callback) {
-    if (!current)
+    if (!current) {
       return;
+    }
     this._inorder(current._left, callback);
-    if (typeof callback === 'function')
+    if (typeof callback === 'function') {
       callback(current);
+    }
     this._inorder(current._right, callback);
   };
 
@@ -92,10 +98,12 @@
    * @param {Function} Callback which will be called for each traversed node
    */
   BinaryTree.prototype._postorder = function (current, callback) {
-    if (!current)
+    if (!current) {
       return;
-    if (typeof callback === 'function')
+    }
+    if (typeof callback === 'function') {
       callback(current);
+    }
     this._postorder(current._left, callback);
     this._postorder(current._right, callback);
   };
@@ -118,10 +126,12 @@
    * @param {Function} Callback which will be called for each traversed node
    */
   BinaryTree.prototype._preorder = function (current, callback) {
-    if (!current)
+    if (!current) {
       return;
-    if (typeof callback === 'function')
+    }
+    if (typeof callback === 'function') {
       callback(current);
+    }
     this._preorder(current._left, callback);
     this._preorder(current._right, callback);
   };
@@ -147,25 +157,29 @@
   };
 
   /**
-   * Finds a node by it's value in given sub-tree. Average runtime complexity: O(log n).
+   * Finds a node by it's value in
+   * given sub-tree. Average runtime complexity: O(log n).
    *
    * @private
    * @param {Number|String} Value of the node which should be found
    * @param {Node} Current node to be checked
    */
   BinaryTree.prototype._find = function (value, current) {
-    if (!current)
+    if (!current) {
       return null;
+    }
 
-    if (current.value === value)
+    if (current.value === value) {
       return current;
+    }
 
-    if (current.value > value)
+    if (current.value > value) {
       return this._find(value, current._left);
+    }
 
-    if (current.value < value)
+    if (current.value < value) {
       return this._find(value, current._right);
-
+    }
   };
 
   /**
@@ -182,10 +196,11 @@
       this._root._parent = null;
     } else {
 
-      if (parent._left === oldChild)
+      if (parent._left === oldChild) {
         parent._left = newChild;
-      else
+      } else {
         parent._right = newChild;
+      }
 
       if (newChild) {
         newChild._parent = parent;
@@ -198,11 +213,13 @@
    *
    * @public
    * @param {Node} Node to be removed
-   * @returns {boolean} True/false depending on whether the given node is removed
+   * @returns {boolean} True/false depending
+   *    on whether the given node is removed
    */
   BinaryTree.prototype.remove = function (node) {
-    if (!node)
+    if (!node) {
       return false;
+    }
 
     if (node._left && node._right) {
       var min = this._findMin(node._right),
@@ -212,12 +229,13 @@
       min.value = temp;
       return this.remove(min);
     } else {
-      if (node._left)
+      if (node._left) {
         this._replaceChild(node._parent, node, node._left);
-      else if (node._right)
+      } else if (node._right) {
         this._replaceChild(node._parent, node, node._right);
-      else
+      } else {
         this._replaceChild(node._parent, node, null);
+      }
       return true;
     }
   };
@@ -232,10 +250,12 @@
    */
   BinaryTree.prototype._findMin = function (node, current) {
     current = current || { value: Infinity };
-    if (!node)
+    if (!node) {
       return current;
-    if (current.value > node.value)
+    }
+    if (current.value > node.value) {
       current = node;
+    }
     return this._findMin(node._left, current);
   };
 
@@ -249,10 +269,12 @@
    */
   BinaryTree.prototype._findMax = function (node, current) {
     current = current || { value: -Infinity };
-    if (!node)
+    if (!node) {
       return current;
-    if (current.value < node.value)
+    }
+    if (current.value < node.value) {
       current = node;
+    }
     return this._findMax(node._right, current);
   };
 
@@ -331,7 +353,8 @@
     if (!node) {
       return 0;
     }
-    return 1 + Math.max(this._getHeight(node._left), this._getHeight(node._right));
+    return 1 + Math.max(this._getHeight(node._left),
+        this._getHeight(node._right));
   };
 
   /**
@@ -340,11 +363,13 @@
    * @public
    * @returns {Node} The lowest common ancestor of the two nodes or null
    */
-  BinaryTree.prototype.lowestCommonAncestor = function (firstNode, secondNode, current) {
+  BinaryTree.prototype.lowestCommonAncestor =
+   function (firstNode, secondNode) {
     return this._lowestCommonAncestor(firstNode, secondNode, this._root);
   };
 
-  BinaryTree.prototype._lowestCommonAncestor = function (firstNode, secondNode, current) {
+  BinaryTree.prototype._lowestCommonAncestor =
+   function (firstNode, secondNode, current) {
     var firstNodeInLeft = this._existsInSubtree(firstNode, current._left),
         secondNodeInLeft = this._existsInSubtree(secondNode, current._left),
         firstNodeInRight = this._existsInSubtree(firstNode, current._right),
@@ -369,7 +394,8 @@
     if (node === root.value) {
       return true;
     }
-    return this._existsInSubtree(node, root._left) || this._existsInSubtree(node, root._right);
+    return this._existsInSubtree(node, root._left) ||
+      this._existsInSubtree(node, root._right);
   };
 
   exports.BinaryTree = BinaryTree;
diff --git a/src/data-structures/interval-tree.js b/src/data-structures/interval-tree.js
index 249daff9..67ce086c 100644
--- a/src/data-structures/interval-tree.js
+++ b/src/data-structures/interval-tree.js
@@ -131,7 +131,8 @@
   };
 
   // adjust the max value
-  IntervalTree.prototype._removeHelper = function (interval, node) {
+  IntervalTree.prototype._removeHelper =
+   function (interval, node) {
     if (!node) {
       return;
     }
diff --git a/src/data-structures/red-black-tree.js b/src/data-structures/red-black-tree.js
index 58dd7017..dcd00651 100644
--- a/src/data-structures/red-black-tree.js
+++ b/src/data-structures/red-black-tree.js
@@ -182,6 +182,5 @@
 
   global.RBTree = RBTree;
 
-
 }(typeof window === 'undefined' ? module.exports : window));
 
diff --git a/src/data-structures/suffix-tree.js b/src/data-structures/suffix-tree.js
index 663234d0..296539e3 100644
--- a/src/data-structures/suffix-tree.js
+++ b/src/data-structures/suffix-tree.js
@@ -1,6 +1,3 @@
-// TODO
-// 1) The algorithm is quite ineffective, better use
-// Ukkomen's algorithm to build it in O(n) complexity.
 (function (exports) {
   'use strict';
 
@@ -94,10 +91,6 @@
   // var suffix = new SuffixTree();
   // suffix.build('banana');
   // console.log(suffix);
-  // 
-  // var st = new SuffixTree();
-  // st.build('Since these cases are very common use cases, the problem was easily solved by choosing either a random index for the pivot, choosing the middle index of the partition or (especially for longer partitions) choosing the median of the first, middle and last element of the partition for the pivot. With these modifications, the worst case of Quick sort has less chances to occur, but worst case can still occur if the input array is such that the maximum (or minimum) element is always chosen as pivot.');
-  // console.log(JSON.stringify(st));
 
   exports.Node = Node;
   exports.SuffixTree = SuffixTree;
diff --git a/src/graphs/others/topological-sort.js b/src/graphs/others/topological-sort.js
index 58945075..53fe7023 100644
--- a/src/graphs/others/topological-sort.js
+++ b/src/graphs/others/topological-sort.js
@@ -30,7 +30,9 @@
      * @returns {Array} Ordered vertices.
      *
      * @example
-     * var topsort = require('path-to-algorithms/src/graphs/others/topological-sort').topologicalSort;
+     * var topsort =
+     *  require('path-to-algorithms/src/graphs/' +
+     * 'others/topological-sort').topologicalSort;
      * var graph = {
      *     v1: ['v2', 'v5'],
      *     v2: [],
@@ -55,4 +57,4 @@
 
   exports.topologicalSort = topologicalSort;
 
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/graphs/shortest-path/dijkstra.js b/src/graphs/shortest-path/dijkstra.js
index 433c40fd..2479a805 100644
--- a/src/graphs/shortest-path/dijkstra.js
+++ b/src/graphs/shortest-path/dijkstra.js
@@ -1,7 +1,7 @@
 (function (exports) {
   'use strict';
 
-  var dijkstra = (function() {
+  var dijkstra = (function () {
 
     var Heap = require('../../data-structures/heap.js').Heap,
         current,
@@ -76,13 +76,15 @@
      * @returns {Number} The shortest distance between two nodes.
      * 
      * @example
-     * var dijkstra = require('path-to-algorithms/src/graphs/shortest-path/dijkstra').dijkstra;
-     * var distMatrix = [[Infinity, 7,        9,        Infinity, Infinity, 16],
-     *                   [7,        Infinity, 10,       15,       Infinity, Infinity],
-     *                   [9,        10,       Infinity, 11,       Infinity, 2],
-     *                   [Infinity, 15,       11,       Infinity, 6,        Infinity],
-     *                   [Infinity, Infinity, Infinity, 6,        Infinity, 9],
-     *                   [16,       Infinity, 2,        Infinity, 9,        Infinity]];
+     * var dijkstra =
+     * require('path-to-algorithms/src/graphs/shortest-path/dijkstra').dijkstra;
+     * var distMatrix =
+     *    [[Infinity, 7,        9,        Infinity, Infinity, 16],
+     *     [7,        Infinity, 10,       15,       Infinity, Infinity],
+     *     [9,        10,       Infinity, 11,       Infinity, 2],
+     *     [Infinity, 15,       11,       Infinity, 6,        Infinity],
+     *     [Infinity, Infinity, Infinity, 6,        Infinity, 9],
+     *     [16,       Infinity, 2,        Infinity, 9,        Infinity]];
      * var shortestDist = dijkstra(0, 2, distMatrix); // 9
      */
     return function (src, dest, graph) {
@@ -92,7 +94,8 @@
         for (var i = 0; i < graph.length; i += 1) {
           if (current.node !== i && //if it's not the current node
             !visited[i] && //and if we haven't visited this node
-            Number.isFinite(graph[i][current.node])) { //and this node is sibling of the current...
+            //and this node is sibling of the current...
+            Number.isFinite(graph[i][current.node])) {
 
             tempDistance = current.distance + graph[i][current.node];
             if (tempDistance < distance[i].distance) {
@@ -107,7 +110,7 @@
       }
       return distance[dest].distance;
     };
-  
+
   })();
 
   exports.dijkstra = dijkstra;
diff --git a/src/others/hanoi.js b/src/others/hanoi.js
index 95ec58ea..4e5848d1 100644
--- a/src/others/hanoi.js
+++ b/src/others/hanoi.js
@@ -1,15 +1,21 @@
 /*
  * Hanoi towers
  */
-function hanoi(count, source, intermediate, goal, result) {
+(function (exports) {
   'use strict';
-  result = result || [];
-  if (count === 1) {
-    result.push([source, goal]);
-  } else {
-    hanoi(count - 1, source, goal, intermediate, result);
-    result.push([source, goal]);
-    hanoi(count - 1, intermediate, source, goal, result);
+
+  function hanoi(count, source, intermediate, goal, result) {
+    result = result || [];
+    if (count === 1) {
+      result.push([source, goal]);
+    } else {
+      hanoi(count - 1, source, goal, intermediate, result);
+      result.push([source, goal]);
+      hanoi(count - 1, intermediate, source, goal, result);
+    }
+    return result;
   }
-  return result;
-}
+
+  exports.hanoi = hanoi;
+
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/src/searching/binarysearch/binarysearch.js b/src/searching/binarysearch/binarysearch.js
index ed6d1e8d..59989c76 100644
--- a/src/searching/binarysearch/binarysearch.js
+++ b/src/searching/binarysearch/binarysearch.js
@@ -1,7 +1,9 @@
 (function (exports) {
+  'use strict';
 
   /**
-   * Searchs for specific element in given array using the binary search algorithm.
+   * Searchs for specific element in given array using
+   * the binary search algorithm.
    * It's complexity is O(log n)
    *
    * @public
diff --git a/src/searching/longest-increasing-subsequence/longest-increasing-subsequence.js b/src/searching/longest-increasing-subsequence/longest-increasing-subsequence.js
index b71111bc..43df4d2e 100644
--- a/src/searching/longest-increasing-subsequence/longest-increasing-subsequence.js
+++ b/src/searching/longest-increasing-subsequence/longest-increasing-subsequence.js
@@ -1,4 +1,5 @@
 (function (exports) {
+  'use strict';
 
   /**
    * Algorithm from dynamic programming.
@@ -16,19 +17,25 @@
     * Find the index of the first largest element in array.
     * Complexity O(n).
     *
-    * @param {Array}    array The array in which the largest element should be found
+    * @param {Array}    array The array in which the largest
+    *  element should be found
     * @param {Function} cmp   Function used for comparison
     * @return {number}        The index of the first largest element
     */
     function max(array, cmp) {
-      if (!array || !array.length) return -1;
+      if (!array || !array.length) {
+        return -1;
+      }
       if (!cmp) {
-        cmp = function (a, b) { return a - b };
+        cmp = function (a, b) { return a - b; };
+      }
+      var maxIdx = 0;
+      for (var i = 1; i < array.length; i += 1) {
+        if (cmp(array[maxIdx], array[i]) < 0) {
+          maxIdx = i;
+        }
       }
-      var max = 0;
-      for (var i = 1; i < array.length; i += 1)
-        if (cmp(array[max], array[i]) < 0) max = i;
-      return max;
+      return maxIdx;
     }
 
    /**
@@ -52,7 +59,9 @@
       for (var i = 0; i < array.length; i += 1) {
         result[i] = [];
         for (var j = i + 1; j < array.length; j += 1) {
-          if (array[i] < array[j]) result[i].push(j); 
+          if (array[i] < array[j]) {
+            result[i].push(j);
+          }
         }
       }
       return result;
@@ -68,20 +77,29 @@
     */
     function find(dag, node) {
       node = node || 0;
-      if (find.memo[node]) return find.memo[node];
+      if (find.memo[node]) {
+        return find.memo[node];
+      }
       var neighbours = dag[node],
           neighboursDistance = [],
           maxDist, maxNode, distance, result;
 
-      if (!neighbours.length) return { distance: 1, neighbour: undefined, node: node };
+      if (!neighbours.length) {
+        return { distance: 1, neighbour: undefined, node: node };
+      }
 
-      for (var i = 0; i < neighbours.length; i += 1)
+      for (var i = 0; i < neighbours.length; i += 1) {
         neighboursDistance[i] = find(dag, neighbours[i]);
+      }
 
       maxDist = max(neighboursDistance, cmp);
       maxNode = neighbours[maxDist];
       distance = 1 + neighboursDistance[maxDist].distance;
-      find.memo[node] = result = { distance: distance, neighbour: neighboursDistance[maxDist], node: node };
+      find.memo[node] = result = {
+        distance: distance,
+        neighbour: neighboursDistance[maxDist],
+        node: node
+      };
       return result;
     }
 
diff --git a/src/searching/subarray/maximum-subarray-divide-and-conquer.js b/src/searching/subarray/maximum-subarray-divide-and-conquer.js
index 1e815a44..a5b16b41 100644
--- a/src/searching/subarray/maximum-subarray-divide-and-conquer.js
+++ b/src/searching/subarray/maximum-subarray-divide-and-conquer.js
@@ -4,7 +4,6 @@
  */
 
 (function (exports) {
-
   'use strict';
 
   /**
diff --git a/src/searching/subarray/maximum-subarray.js b/src/searching/subarray/maximum-subarray.js
index c7603557..60dec6f8 100644
--- a/src/searching/subarray/maximum-subarray.js
+++ b/src/searching/subarray/maximum-subarray.js
@@ -1,20 +1,28 @@
-/**
- * Finds the maximum sum of subarray's element of given array using the Kadane's algorithm
- * It's complexity is O(n). The algorithm can be found here: https://en.wikipedia.org/wiki/Maximum_subarray_problem#Kadane.27s_algorithm
- *
- * @public
- * @param {array} array Input array
- * @returns {number} max The maximum sum of the elements of subarray of the input
- *
- */
-function maxSubarray(array) {
+(function (exports) {
+  'use strict';
+
+  /**
+   * Finds the maximum sum of subarray's element of given array
+   * using the Kadane's algorithm
+   * It's complexity is O(n). The algorithm can be found here:
+   * https://en.wikipedia.org/wiki/Maximum_subarray_problem#Kadane.27s_algorithm
+   *
+   * @public
+   * @param {array} array Input array
+   * @returns {number} max The maximum sum of
+   *   the elements of subarray of the input
+   */
+  function maxSubarray(array) {
     var currentMax = 0,
-        max = 0;
+      max = 0;
 
     for (var i = 0; i < array.length; i += 1) {
-        currentMax = Math.max(0, currentMax + array[i]);
-        max = Math.max(max, currentMax);
+      currentMax = Math.max(0, currentMax + array[i]);
+      max = Math.max(max, currentMax);
     }
-
     return max;
-}
+  }
+
+  exports.maxSubarray = maxSubarray;
+
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/sets/quickfind.js b/src/sets/quickfind.js
index 0b048b1c..fc164f05 100644
--- a/src/sets/quickfind.js
+++ b/src/sets/quickfind.js
@@ -1,4 +1,6 @@
 (function (exports) {
+  'use strict';
+
   /**
    * Checks whether there is a path between two nodes.
    * The initialization is O(n).
diff --git a/src/sets/quickunion.js b/src/sets/quickunion.js
index 4ff3908a..a2606044 100644
--- a/src/sets/quickunion.js
+++ b/src/sets/quickunion.js
@@ -1,4 +1,6 @@
 (function (exports) {
+  'use strict';
+
   /**
    * Checks whether path between two nodes exists.
    * The initialization has O(n) complexity.
@@ -22,7 +24,9 @@
    * @return {number} The root of the given node
    */
   QuickUnion.prototype._root = function (i) {
-    while (i !== this._ids[i]) i = this._ids[i];
+    while (i !== this._ids[i]) {
+      i = this._ids[i];
+    }
     return i;
   };
 
diff --git a/src/sets/weightquickunion.js b/src/sets/weightquickunion.js
index cb88c289..d20879fe 100644
--- a/src/sets/weightquickunion.js
+++ b/src/sets/weightquickunion.js
@@ -1,4 +1,6 @@
 (function (exports) {
+  'use strict';
+
   /**
    * Checks whether there is a path between two nodes
    * Complexity of the initialization O(n).
@@ -52,7 +54,9 @@
   QuickUnion.prototype.union = function (p, q) {
     var pf = this._root(p);
     var qf = this._root(q);
-    if (pf == qf) return; // already linked
+    if (pf === qf) {
+      return; // already linked
+    }
     var psz = this._size[qf];
     var qsz = this._size[pf];
     if (psz < qsz) {
diff --git a/src/shuffle/richarddurstenfeld.js b/src/shuffle/richarddurstenfeld.js
index a409d8b2..0b91f1a5 100644
--- a/src/shuffle/richarddurstenfeld.js
+++ b/src/shuffle/richarddurstenfeld.js
@@ -1,5 +1,6 @@
 (function (exports) {
   'use strict';
+
   /**
    * Shuffle of an array elements.
    * This algorithm is modified version of Fisher-Yates shuffle
diff --git a/src/sorting/bubblesort/bubblesort.js b/src/sorting/bubblesort/bubblesort.js
index 9a481b89..b2668d27 100644
--- a/src/sorting/bubblesort/bubblesort.js
+++ b/src/sorting/bubblesort/bubblesort.js
@@ -1,4 +1,5 @@
 (function (exports) {
+  'use strict';
 
   function comparator(a, b) {
     return a - b;
diff --git a/src/sorting/heapsort/heapsort.js b/src/sorting/heapsort/heapsort.js
index aeb2df1d..bbcd8c23 100644
--- a/src/sorting/heapsort/heapsort.js
+++ b/src/sorting/heapsort/heapsort.js
@@ -1,5 +1,4 @@
 (function (exports) {
-
   'use strict';
 
   function comparator(a, b) {
diff --git a/src/sorting/insertionsort/insertion-binary-sort.js b/src/sorting/insertionsort/insertion-binary-sort.js
index 1b632f88..c5ac874a 100644
--- a/src/sorting/insertionsort/insertion-binary-sort.js
+++ b/src/sorting/insertionsort/insertion-binary-sort.js
@@ -1,5 +1,4 @@
 (function (exports) {
-
   'use strict';
 
   function comparator(a, b) {
diff --git a/src/sorting/insertionsort/insertionsort.js b/src/sorting/insertionsort/insertionsort.js
index ef7bc1a1..ace59119 100644
--- a/src/sorting/insertionsort/insertionsort.js
+++ b/src/sorting/insertionsort/insertionsort.js
@@ -1,5 +1,4 @@
 (function (exports) {
-
   'use strict';
 
   function compare(a, b) {
diff --git a/src/sorting/insertionsort/recursive-insertionsort.js b/src/sorting/insertionsort/recursive-insertionsort.js
index fb94a3bd..380dc346 100644
--- a/src/sorting/insertionsort/recursive-insertionsort.js
+++ b/src/sorting/insertionsort/recursive-insertionsort.js
@@ -1,5 +1,4 @@
 (function (exports) {
-
   'use strict';
 
   function compare(a, b) {
diff --git a/src/sorting/linearsort/bucketsort.js b/src/sorting/linearsort/bucketsort.js
index b77c671e..9672bfee 100644
--- a/src/sorting/linearsort/bucketsort.js
+++ b/src/sorting/linearsort/bucketsort.js
@@ -1,5 +1,4 @@
 (function (exports) {
-
   'use strict';
 
   /**
diff --git a/src/sorting/linearsort/countingsort.js b/src/sorting/linearsort/countingsort.js
index b235f803..6d828be8 100644
--- a/src/sorting/linearsort/countingsort.js
+++ b/src/sorting/linearsort/countingsort.js
@@ -1,5 +1,4 @@
 (function (exports) {
-
   'use strict';
 
   /**
diff --git a/src/sorting/mergesort/mergesort.js b/src/sorting/mergesort/mergesort.js
index 506411f0..ef6effc3 100644
--- a/src/sorting/mergesort/mergesort.js
+++ b/src/sorting/mergesort/mergesort.js
@@ -1,5 +1,4 @@
 (function (exports) {
-
   'use strict';
 
   var mergeSort = (function () {
@@ -34,7 +33,8 @@
      *
      * @private
      * @param {array} array The array which subarrays should be sorted
-     * @param {number} start The start of the first subarray. This subarray is with end middle - 1.
+     * @param {number} start The start of the first subarray.
+     *   This subarray is with end middle - 1.
      * @param {number} middle The start of the second array
      * @param {number} end end - 1 is the end of the second array
      * @returns {array} The array with sorted subarray
diff --git a/src/sorting/most-significant-digit/msd.js b/src/sorting/most-significant-digit/msd.js
index 2e4ab4f4..74f01d25 100644
--- a/src/sorting/most-significant-digit/msd.js
+++ b/src/sorting/most-significant-digit/msd.js
@@ -1,5 +1,4 @@
 (function (exports) {
-
   'use strict';
 
   function charCodeAt(str, i) {
diff --git a/src/sorting/selectionsort/selectionsort.js b/src/sorting/selectionsort/selectionsort.js
index d24a5762..78ea6117 100644
--- a/src/sorting/selectionsort/selectionsort.js
+++ b/src/sorting/selectionsort/selectionsort.js
@@ -1,5 +1,4 @@
 (function (exports) {
-
   'use strict';
 
   function compare(a, b) {
diff --git a/src/sorting/shellsort/shellsort.js b/src/sorting/shellsort/shellsort.js
index ba340aac..e78328a8 100644
--- a/src/sorting/shellsort/shellsort.js
+++ b/src/sorting/shellsort/shellsort.js
@@ -1,5 +1,4 @@
 (function (exports) {
-
   'use strict';
 
 
diff --git a/test/data-structures/red-black-tree.spec.js b/test/data-structures/red-black-tree.spec.js
index 219bf5eb..77635ff2 100644
--- a/test/data-structures/red-black-tree.spec.js
+++ b/test/data-structures/red-black-tree.spec.js
@@ -1,18 +1,18 @@
 'use strict';
 
 var mod = require('../../src/data-structures/red-black-tree.js'),
-    Node = mod.Node,
+    Vertex = mod.Node,
     RBTree = mod.RBTree,
     Colors = mod.Colors;
 
 describe('Node', function () {
 
   it('should be a constructor function', function () {
-    expect(typeof Node).toBe('function');
+    expect(typeof Vertex).toBe('function');
   });
 
   it('should set all properties via the constructor', function () {
-    var node = new Node('key', 'value', 1, 2, Colors.RED);
+    var node = new Vertex('key', 'value', 1, 2, Colors.RED);
     expect(node.getKey()).toBe('key');
     expect(node.getLeft()).toBe(1);
     expect(node.getRight()).toBe(2);
@@ -22,11 +22,11 @@ describe('Node', function () {
 
   describe('Node flipColor', function () {
     it('should has method flipColor', function () {
-      var node = new Node();
+      var node = new Vertex();
       expect(typeof node.flipColor).toBe('function');
     });
     it('should work properly', function () {
-      var node = new Node();
+      var node = new Vertex();
       expect(node.isRed()).toBe(false);
       node.flipColor();
       expect(node.isRed()).toBe(true);
diff --git a/test/sorting/bubblesort/bubblesort.spec.js b/test/sorting/bubblesort/bubblesort.spec.js
index 706cba72..19b25d57 100644
--- a/test/sorting/bubblesort/bubblesort.spec.js
+++ b/test/sorting/bubblesort/bubblesort.spec.js
@@ -1,4 +1,5 @@
 var sortTestCase = require('../sort.testcase.js'),
-    bubbleSort = require('../../../src/sorting/bubblesort/bubblesort.js').bubbleSort;
+    bubbleSort =
+      require('../../../src/sorting/bubblesort/bubblesort.js').bubbleSort;
 
 sortTestCase(bubbleSort, 'Bubble sort');
\ No newline at end of file
diff --git a/test/sorting/insertionsort/insertionbinarysort.spec.js b/test/sorting/insertionsort/insertionbinarysort.spec.js
index a7bc4861..7fd6bf0c 100644
--- a/test/sorting/insertionsort/insertionbinarysort.spec.js
+++ b/test/sorting/insertionsort/insertionbinarysort.spec.js
@@ -1,4 +1,6 @@
 var sortTestCase = require('../sort.testcase.js'),
-    insertionBinarySort = require('../../../src/sorting/insertionsort/insertion-binary-sort.js').insertionBinarySort;
+    insertionBinarySort =
+      require('../../../src/sorting/insertionsort/' +
+      'insertion-binary-sort.js').insertionBinarySort;
 
 sortTestCase(insertionBinarySort, 'Insertion binary sort');
\ No newline at end of file
diff --git a/test/sorting/insertionsort/insertionsort.spec.js b/test/sorting/insertionsort/insertionsort.spec.js
index 34057e4a..01fb28e0 100644
--- a/test/sorting/insertionsort/insertionsort.spec.js
+++ b/test/sorting/insertionsort/insertionsort.spec.js
@@ -1,4 +1,5 @@
 var sortTestCase = require('../sort.testcase.js'),
-    insertionSort = require('../../../src/sorting/insertionsort/insertionsort.js').insertionSort;
+    insertionSort = require('../../../src/sorting/insertionsort/' +
+      'insertionsort.js').insertionSort;
 
 sortTestCase(insertionSort, 'Insertion sort');
\ No newline at end of file
diff --git a/test/sorting/insertionsort/recursiveinsertionsort.spec.js b/test/sorting/insertionsort/recursiveinsertionsort.spec.js
index 6e96eafd..8282b81d 100644
--- a/test/sorting/insertionsort/recursiveinsertionsort.spec.js
+++ b/test/sorting/insertionsort/recursiveinsertionsort.spec.js
@@ -1,4 +1,5 @@
 var sortTestCase = require('../sort.testcase.js'),
-    recursiveInsertionSort = require('../../../src/sorting/insertionsort/recursive-insertionsort.js').recursiveInsertionSort;
+    recursiveInsertionSort = require('../../../src/sorting/' +
+      'insertionsort/recursive-insertionsort.js').recursiveInsertionSort;
 
 sortTestCase(recursiveInsertionSort, 'Recursive insertion sort');
\ No newline at end of file
diff --git a/test/sorting/mergesort/mergesort.spec.js b/test/sorting/mergesort/mergesort.spec.js
index 31d6028e..975e9711 100644
--- a/test/sorting/mergesort/mergesort.spec.js
+++ b/test/sorting/mergesort/mergesort.spec.js
@@ -1,4 +1,5 @@
 var sortTestCase = require('../sort.testcase.js'),
-    mergeSort = require('../../../src/sorting/mergesort/mergesort.js').mergeSort;
+    mergeSort =
+      require('../../../src/sorting/mergesort/mergesort.js').mergeSort;
 
 sortTestCase(mergeSort, 'Merge sort');
\ No newline at end of file
diff --git a/test/sorting/quicksort/quicksort-middle.spec.js b/test/sorting/quicksort/quicksort-middle.spec.js
index d12276b8..e3b44136 100644
--- a/test/sorting/quicksort/quicksort-middle.spec.js
+++ b/test/sorting/quicksort/quicksort-middle.spec.js
@@ -1,4 +1,5 @@
 var sortTestCase = require('../sort.testcase.js'),
-    quickSort = require('../../../src/sorting/quicksort/quicksort-middle.js').quickSort;
+    quickSort =
+      require('../../../src/sorting/quicksort/quicksort-middle.js').quickSort;
 
 sortTestCase(quickSort, 'Quick sort');
\ No newline at end of file
diff --git a/test/sorting/quicksort/quicksort.spec.js b/test/sorting/quicksort/quicksort.spec.js
index e6f84a8f..f3f668ee 100644
--- a/test/sorting/quicksort/quicksort.spec.js
+++ b/test/sorting/quicksort/quicksort.spec.js
@@ -1,4 +1,5 @@
 var sortTestCase = require('../sort.testcase.js'),
-    quickSort = require('../../../src/sorting/quicksort/quicksort.js').quickSort;
+    quickSort =
+      require('../../../src/sorting/quicksort/quicksort.js').quickSort;
 
 sortTestCase(quickSort, 'Quick sort');
\ No newline at end of file
diff --git a/test/sorting/selectionsort/selectionsort.spec.js b/test/sorting/selectionsort/selectionsort.spec.js
index 73718b13..ac3b0fae 100644
--- a/test/sorting/selectionsort/selectionsort.spec.js
+++ b/test/sorting/selectionsort/selectionsort.spec.js
@@ -1,5 +1,6 @@
 var sortTestCase = require('../sort.testcase.js'),
-    selectionSort = require('../../../src/sorting/selectionsort/selectionsort.js')
+    selectionSort =
+      require('../../../src/sorting/selectionsort/selectionsort.js')
       .selectionSort;
 
 sortTestCase(selectionSort, 'Selection sort');
\ No newline at end of file
diff --git a/test/sorting/sort.testcase.js b/test/sorting/sort.testcase.js
index 68382432..73bad801 100644
--- a/test/sorting/sort.testcase.js
+++ b/test/sorting/sort.testcase.js
@@ -1,5 +1,4 @@
 module.exports = function (sort, algorithmName, options) {
-
   'use strict';
 
   options = options || {

From 9c7308fd92f6f3ebddb3e2930dfc2af02d609755 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 10 Jan 2015 12:55:59 +0200
Subject: [PATCH 027/337] Add additional gulp config

---
 .jshintrc    | 13 ++++++++++---
 gulpfile.js  | 19 +++++++++++++++++--
 package.json |  6 ++++--
 readme.md    |  2 ++
 4 files changed, 33 insertions(+), 7 deletions(-)

diff --git a/.jshintrc b/.jshintrc
index c3863960..4cabd67d 100644
--- a/.jshintrc
+++ b/.jshintrc
@@ -23,9 +23,16 @@
   "plusplus": true,
   "undef": true,
   "laxbreak": true,
-  "maxdepth": 3,
+  "maxdepth": 4,
   "loopfunc": true,
-  "maxcomplexity": 9,
+  "maxcomplexity": 13,
   "maxlen": 80,
-  "maxparams": 4
+  "maxparams": 5,
+  "globals": {
+    "expect": true,
+    "it": true,
+    "describe": true,
+    "beforeEach": true,
+    "afterEach": true
+  }
 }
diff --git a/gulpfile.js b/gulpfile.js
index e11ae96b..5bfc5607 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -1,7 +1,22 @@
 'use strict';
 var gulp = require('gulp'),
-    shell = require('gulp-shell');
+    shell = require('gulp-shell'),
+    jshint = require('gulp-jshint'),
+    jasmine = require('gulp-jasmine');
 
 gulp.task('jsdoc', shell.task([
   './node_modules/.bin/jsdoc -c ./doc-config.json',
-]));
\ No newline at end of file
+]));
+
+gulp.task('lint', function () {
+  return gulp.src(['./src/**/*.js'], ['./test/**/*.js'])
+    .pipe(jshint())
+    .pipe(jshint.reporter('default'));
+});
+
+gulp.task('test', function () {
+  return gulp.src('test/**/*.spec.js')
+    .pipe(jasmine());
+});
+
+gulp.task('build', ['lint', 'test']);
\ No newline at end of file
diff --git a/package.json b/package.json
index 338952d2..22ebd87d 100644
--- a/package.json
+++ b/package.json
@@ -11,8 +11,10 @@
   },
   "devDependencies": {
     "gulp": "^3.8.10",
-    "jsdoc": "^3.3.0",
-    "gulp-shell": "^0.2.11"
+    "gulp-jasmine": "^1.0.1",
+    "gulp-jshint": "^1.9.0",
+    "gulp-shell": "^0.2.11",
+    "jsdoc": "^3.3.0"
   },
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
diff --git a/readme.md b/readme.md
index ab03808f..c3da9651 100644
--- a/readme.md
+++ b/readme.md
@@ -63,6 +63,8 @@ and all `*.spec.js` files will be executed.
 Fork the repo and make requred changes. After that push your changes in branch, which is named according to the changes you did.
 Initiate the PR.
 
+Make sure you're editor makes validations according to the `.jshintrc` in the root directory of the repository.
+
 ## Contributors
 
 [![mgechev](https://avatars.githubusercontent.com/u/455023?v=3&s=117)](https://github.com/mgechev)[![AndreyGeonya](https://avatars.githubusercontent.com/u/773648?v=3&s=117)](https://github.com/AndreyGeonya)[![Microfed](https://avatars.githubusercontent.com/u/613179?v=3&s=117)](https://github.com/Microfed)[![contra](https://avatars.githubusercontent.com/u/425716?v=3&s=117)](https://github.com/contra)

From 630db2709e23e68d385beec31df997350c572ccc Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 10 Jan 2015 12:58:00 +0200
Subject: [PATCH 028/337] Update readme

---
 readme.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/readme.md b/readme.md
index c3da9651..8be8c935 100644
--- a/readme.md
+++ b/readme.md
@@ -65,6 +65,14 @@ Initiate the PR.
 
 Make sure you're editor makes validations according to the `.jshintrc` in the root directory of the repository.
 
+Before pushing to the repository run:
+
+```bash
+gulp build
+```
+
+If the build is not successful fix your code in order the tests and jshint validation to run successfully and after that create a pull request.
+
 ## Contributors
 
 [![mgechev](https://avatars.githubusercontent.com/u/455023?v=3&s=117)](https://github.com/mgechev)[![AndreyGeonya](https://avatars.githubusercontent.com/u/773648?v=3&s=117)](https://github.com/AndreyGeonya)[![Microfed](https://avatars.githubusercontent.com/u/613179?v=3&s=117)](https://github.com/Microfed)[![contra](https://avatars.githubusercontent.com/u/425716?v=3&s=117)](https://github.com/contra)

From c122f80bcab1c983834b62d5e92f3348c6e6bdda Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 10 Jan 2015 13:02:41 +0200
Subject: [PATCH 029/337] Add travis.yml

---
 .travis.yml | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 .travis.yml

diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 00000000..ac0ba1f1
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,8 @@
+language: node_js
+node_js:
+  - "0.11"
+  - "0.10"
+  - "0.9"
+before_script:
+  - npm install -g gulp
+script: gulp build
\ No newline at end of file

From cbd551829a09d50c472b524152d6b4b246d022a4 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 10 Jan 2015 13:03:43 +0200
Subject: [PATCH 030/337] Add travis icon

---
 readme.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/readme.md b/readme.md
index 8be8c935..3988f65c 100644
--- a/readme.md
+++ b/readme.md
@@ -1,3 +1,5 @@
+![](https://travis-ci.org/mgechev/javascript-algorithms.svg?branch=master)
+
 ## About
 
 This repository contains JavaScript implementations of different famous Computer Science algorithms.

From 5572ad9f389597ba1c5d86e455ede922a70e9dba Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 10 Jan 2015 13:07:49 +0200
Subject: [PATCH 031/337] Remove 0.9, jsdoc doesn't support it

---
 .travis.yml  | 1 -
 package.json | 3 ---
 2 files changed, 4 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index ac0ba1f1..207c6cac 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,6 @@ language: node_js
 node_js:
   - "0.11"
   - "0.10"
-  - "0.9"
 before_script:
   - npm install -g gulp
 script: gulp build
\ No newline at end of file
diff --git a/package.json b/package.json
index 22ebd87d..6b0a6d89 100644
--- a/package.json
+++ b/package.json
@@ -6,9 +6,6 @@
   "directories": {
     "test": "test"
   },
-  "dependencies": {
-    "jsdoc": "^3.3.0-alpha13"
-  },
   "devDependencies": {
     "gulp": "^3.8.10",
     "gulp-jasmine": "^1.0.1",

From 685fb6684696548ec6eacb2b69d571e8bbd7bdf5 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sat, 10 Jan 2015 13:11:54 +0200
Subject: [PATCH 032/337] document djkstra complexity

---
 src/graphs/shortest-path/dijkstra.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/graphs/shortest-path/dijkstra.js b/src/graphs/shortest-path/dijkstra.js
index 2479a805..03fa397f 100644
--- a/src/graphs/shortest-path/dijkstra.js
+++ b/src/graphs/shortest-path/dijkstra.js
@@ -66,8 +66,11 @@
      * Dijkstra's shortest path algorithm. Finds the minimum 
      * distance between two given nodes using a distance matrix.<br><br>
      * For the implementation is not used the most suitable data structure
-     * (Fibonacci heap) but the Binary heap gives also good results.
+     * (Fibonacci heap) but the Binary heap gives also good results.<br><br>
      *
+     * Time complexity: O(|E|+|V|log(|V|)) where V and E are the number of
+     * vertices and edges respectively.
+     * 
      * @public
      * @module graphs/shortest-path/dijkstra
      * @param {Number} src Source node.

From 3bc5dc3cf01a9454452d52613205b75743d4a8bc Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 10 Jan 2015 13:22:27 +0200
Subject: [PATCH 033/337] Update package.json

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 6b0a6d89..960259c0 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "gulp-jasmine": "^1.0.1",
     "gulp-jshint": "^1.9.0",
     "gulp-shell": "^0.2.11",
-    "jsdoc": "^3.3.0"
+    "jsdoc": "3.3.0-alpha13"
   },
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"

From 424cf758b510801867e20497226cee1179e162a1 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sat, 10 Jan 2015 14:24:28 +0200
Subject: [PATCH 034/337] add BST jsdoc

---
 doc-config.json                           |   5 +-
 src/data-structures/binary-search-tree.js | 215 ++++++++++++----------
 2 files changed, 121 insertions(+), 99 deletions(-)

diff --git a/doc-config.json b/doc-config.json
index 9e345526..55965c84 100644
--- a/doc-config.json
+++ b/doc-config.json
@@ -7,7 +7,8 @@
             "./src/graphs/searching/",
             "./src/graphs/others/",
             "./src/graphs/shortest-path/",
-            "./src/graphs/spanning-trees/"
+            "./src/graphs/spanning-trees/",
+            "./src/data-structures/"
         ],
         "includePattern": ".+\\.js(doc)?$",
         "excludePattern": "docs"
@@ -18,7 +19,7 @@
         "encoding": "utf8",
         "destination": "../javascript-algorithms-docs",
         "recurse": true,
-        "private": true,
+        "private": false,
         "readme": "./readme.md"
     }
 }
\ No newline at end of file
diff --git a/src/data-structures/binary-search-tree.js b/src/data-structures/binary-search-tree.js
index f9df6f49..24cf2580 100644
--- a/src/data-structures/binary-search-tree.js
+++ b/src/data-structures/binary-search-tree.js
@@ -1,22 +1,45 @@
+/**
+ * Binary search tree.
+ *
+ * @example
+ * var BST = require('path-to-algorithms/src/data-structures'+
+ * '/binary-search-tree');
+ * var bst = new BST.BinaryTree();
+ *
+ * bst.insert(2000);
+ * bst.insert(1989);
+ * bst.insert(1991);
+ * bst.insert(2001);
+ * bst.insert(1966);
+ *
+ * var node = bst.find(1989);
+ * console.log(node.value); // 1989
+ *
+ * var minNode = bst.findMin();
+ * console.log(minNode.value); // 1966
+ *
+ * var maxNode = bst.findMax();
+ * console.log(maxNode.value); //2001
+ *
+ * @module data-structures/binary-search-tree
+ */
 (function (exports) {
   'use strict';
 
   /**
-   * Implementation of binary search tree.
-   */
-
-  /**
-   * A node of the tree
+   * Node of the tree.
    *
-   * @class
    * @public
    * @constructor
-   * @param {Number|String} Value of the node
-   * @param {Node} Left subling
-   * @param {Node} Right sibling
-   * @param {Node} Parent of the node
+   * @param {Number|String} value Value of the node.
+   * @param {Node} left Left sibling.
+   * @param {Node} right Right sibling.
+   * @param {Node} parent Parent of the node.
    */
-  function Node(value, left, right, parent) {
+  exports.Node = function(value, left, right, parent) {
+    /**
+     * @member {Number|String}
+     */
     this.value = value;
     this._left = left;
     this._right = right;
@@ -24,27 +47,28 @@
   }
 
   /**
-   * Defines the binary tree
+   * Binary tree.
    *
    * @public
    * @constructor
    */
-  function BinaryTree() {
+  exports.BinaryTree = function() {
     this._root = null;
   }
 
   /**
-   * Inserts a node into the binary tree. The method's
-   * complexity is O(log n) in the average case and
-   * O(n) in the worst case.
+   * Inserts a node into the binary search tree.<br><br>
+   * Time complexity: O(log N) in the average case
+   * and O(N) in the worst case.
    *
    * @public
-   * @param {Number|String} Value
-   * @param {Node} Current node
+   * @method
+   * @param {Number|String} value Node value.
+   * @param {Node} current Current node.
    */
-  BinaryTree.prototype.insert = function (value, current) {
+  exports.BinaryTree.prototype.insert = function (value, current) {
     if (this._root === null) {
-      this._root = new Node(value, null, null, null);
+      this._root = new exports.Node(value, null, null, null);
       return;
     }
     var insertKey;
@@ -55,21 +79,20 @@
       insertKey = '_right';
     }
     if (!current[insertKey]) {
-      current[insertKey] = new Node(value, null, null, current);
+      current[insertKey] = new exports.Node(value, null, null, current);
     } else {
       this.insert(value, current[insertKey]);
     }
   };
 
   /**
-   * Prints the nodes of the tree in order.
-   * It starts the tree traversal from a given node.
+   * In-order traversal from the given node.
    *
    * @private
-   * @param {Node} Node from which to start the traversal
-   * @param {Function} Callback which will be called for each traversed node
+   * @param {Node} current Node from which to start the traversal.
+   * @param {Function} callback Callback which will be called for each traversed node.
    */
-  BinaryTree.prototype._inorder = function (current, callback) {
+  exports.BinaryTree.prototype._inorder = function (current, callback) {
     if (!current) {
       return;
     }
@@ -81,23 +104,24 @@
   };
 
   /**
-   * Inorder traversal of the whole binary search tree
+   * In-order traversal of the whole binary search tree.
    *
    * @public
-   * @param {Function} Callback which will be called for each traversed node
+   * @method
+   * @param {Function} callback Callback which will be called for each traversed node.
    */
-  BinaryTree.prototype.inorder = function (callback) {
+  exports.BinaryTree.prototype.inorder = function (callback) {
     return this._inorder(this._root, callback);
   };
 
   /**
-   * Post-order traversal from given node
+   * Post-order traversal from given node.
    *
    * @private
-   * @param {Node} Node from which to start the traversal
-   * @param {Function} Callback which will be called for each traversed node
+   * @param {Node} current Node from which to start the traversal.
+   * @param {Function} callback Callback which will be called for each traversed node.
    */
-  BinaryTree.prototype._postorder = function (current, callback) {
+  exports.BinaryTree.prototype._postorder = function (current, callback) {
     if (!current) {
       return;
     }
@@ -109,23 +133,23 @@
   };
 
   /**
-   * Post-order traversal of the whole tree
+   * Post-order traversal of the whole tree.
    *
    * @public
-   * @param {Function} Callback which will be called for each traversed node
+   * @param {Function} callback Callback which will be called for each traversed node.
    */
-  BinaryTree.prototype.postorder = function (callback) {
+  exports.BinaryTree.prototype.postorder = function (callback) {
     return this._postorder(this._root, callback);
   };
 
   /**
-   * Pre-order traversal of the tree from given node
+   * Pre-order traversal of the tree from given node.
    *
    * @private
-   * @param {Node} Node from which to start the traversal
-   * @param {Function} Callback which will be called for each traversed node
+   * @param {Node} current Node from which to start the traversal.
+   * @param {Function} callback Callback which will be called for each traversed node.
    */
-  BinaryTree.prototype._preorder = function (current, callback) {
+  exports.BinaryTree.prototype._preorder = function (current, callback) {
     if (!current) {
       return;
     }
@@ -137,34 +161,35 @@
   };
 
   /**
-   * Pre-order preorder traversal of the whole tree
+   * Pre-order preorder traversal of the whole tree.
    * 
    * @public
-   * @param {Function} Callback which will be called for each traversed node
+   * @param {Function} callback Callback which will be called for each traversed node.
    */
-  BinaryTree.prototype.preorder = function (callback) {
+  exports.BinaryTree.prototype.preorder = function (callback) {
     return this._preorder(this._root, callback);
   };
 
   /**
-   * Finds a node by it's value. Average runtime complexity O(log n) 
+   * Finds a node by it's value.<br><br>
+   * Average time complexity: O(log N).
    *
    * @public
-   * @param {Number|String} Value of the node which should be found
+   * @param {Number|String} Value of the node which should be found.
    */
-  BinaryTree.prototype.find = function (value) {
+  exports.BinaryTree.prototype.find = function (value) {
     return this._find(value, this._root);
   };
 
   /**
-   * Finds a node by it's value in
-   * given sub-tree. Average runtime complexity: O(log n).
-   *
+   * Finds a node by it's value in a given sub-tree.
+   * Average time complexity: O(log N).
+   * 
    * @private
-   * @param {Number|String} Value of the node which should be found
-   * @param {Node} Current node to be checked
+   * @param {Number|String} Value of the node which should be found.
+   * @param {Node} Current node to be checked.
    */
-  BinaryTree.prototype._find = function (value, current) {
+  exports.BinaryTree.prototype._find = function (value, current) {
     if (!current) {
       return null;
     }
@@ -183,19 +208,18 @@
   };
 
   /**
-   * Replaces given child with new one, for given parent
+   * Replaces given child with new one, for given parent.
    *
    * @private
-   * @param {Node} Parent node
-   * @param {Node} Child to be replaced
-   * @param {Node} Child replacement
+   * @param {Node} parent Parent node.
+   * @param {Node} oldChild Child to be replaced.
+   * @param {Node} newChild Child replacement.
    */
-  BinaryTree.prototype._replaceChild = function (parent, oldChild, newChild) {
+  exports.BinaryTree.prototype._replaceChild = function (parent, oldChild, newChild) {
     if (!parent) {
       this._root = newChild;
       this._root._parent = null;
     } else {
-
       if (parent._left === oldChild) {
         parent._left = newChild;
       } else {
@@ -209,14 +233,15 @@
   };
 
   /**
-   * Removes node from the tree. Average runtime complexity: O(log n).
+   * Removes node from the tree. <br><br>
+   * Average runtime complexity: O(log N).
    *
    * @public
    * @param {Node} Node to be removed
-   * @returns {boolean} True/false depending
-   *    on whether the given node is removed
+   * @returns {Boolean} True/false depending
+   *    on whether the given node is removed.
    */
-  BinaryTree.prototype.remove = function (node) {
+  exports.BinaryTree.prototype.remove = function (node) {
     if (!node) {
       return false;
     }
@@ -241,14 +266,14 @@
   };
 
   /**
-   * Finds the node with minimum value in given sub-tree
+   * Finds the node with minimum value in given sub-tree.
    *
    * @private
-   * @param {Node} Root of the sub-tree
-   * @param {Number|String} Current minimum value of the sub-tree
-   * @returns {Node} The node with minimum value in the sub-tree
+   * @param {Node} node Root of the sub-tree.
+   * @param {Number|String} current Current minimum value of the sub-tree.
+   * @returns {Node} Node with the minimum value in the sub-tree.
    */
-  BinaryTree.prototype._findMin = function (node, current) {
+  exports.BinaryTree.prototype._findMin = function (node, current) {
     current = current || { value: Infinity };
     if (!node) {
       return current;
@@ -260,14 +285,14 @@
   };
 
   /**
-   * Finds the node with maximum value in given sub-tree
+   * Finds the node with maximum value in given sub-tree.
    *
    * @private
-   * @param {Node} Root of the sub-tree
-   * @param {Number|String} Current maximum value of the sub-tree
-   * @returns {Node} The node with maximum value in the sub-tree
+   * @param {Node} node Root of the sub-tree.
+   * @param {Number|String} current Current maximum value of the sub-tree.
+   * @returns {Node} Node with the maximum value in the sub-tree.
    */
-  BinaryTree.prototype._findMax = function (node, current) {
+  exports.BinaryTree.prototype._findMax = function (node, current) {
     current = current || { value: -Infinity };
     if (!node) {
       return current;
@@ -279,28 +304,27 @@
   };
 
   /**
-   * Finds the node with minimum value in the whole tree
+   * Finds the node with minimum value in the whole tree.
    *
    * @public
-   * @returns {Node} The minimum node of the tree
+   * @returns {Node} The minimum node of the tree.
    */
-  BinaryTree.prototype.findMin = function () {
+  exports.BinaryTree.prototype.findMin = function () {
     return this._findMin(this._root);
   };
 
   /**
-   * Finds the maximum node of the tree
+   * Finds the node with maximum value in the whole tree.
    *
    * @public
-   * @returns {Node} The maximum node of the tree
+   * @returns {Node} The maximum node of the tree.
    *
    */
-  BinaryTree.prototype.findMax = function () {
+  exports.BinaryTree.prototype.findMax = function () {
     return this._findMax(this._root);
   };
 
-
-  BinaryTree.prototype._isBalanced = function (current) {
+  exports.BinaryTree.prototype._isBalanced = function (current) {
     if (!current) {
       return true;
     }
@@ -311,22 +335,22 @@
   };
 
   /**
-   * Returns whether the BST is balanced
+   * Returns whether the BST is balanced.
    *
    * @public
-   * @returns {Boolean} Whether the tree is balanced or not
+   * @returns {Boolean} Whether the tree is balanced or not.
    */
-  BinaryTree.prototype.isBalanced = function () {
+  exports.BinaryTree.prototype.isBalanced = function () {
     return this._isBalanced(this._root);
   };
 
   /**
-   * Finds the diameter of the binary tree
+   * Finds the diameter of the binary tree.
    *
    * @public
-   * @returns {Number} The longest path in the BST
+   * @returns {Number} The longest path in the BST.
    */
-  BinaryTree.prototype.getDiameter = function () {
+  exports.BinaryTree.prototype.getDiameter = function () {
     var getDiameter = function (root) {
       if (!root) {
         return 0;
@@ -340,16 +364,16 @@
   };
 
   /**
-   * Returns the height of the tree
+   * Returns the height of the tree.
    *
    * @public
-   * @returns {Number} The height of the tree
+   * @returns {Number} The height of the tree.
    */
-  BinaryTree.prototype.getHeight = function () {
+  exports.BinaryTree.prototype.getHeight = function () {
     return this._getHeight(this._root);
   };
 
-  BinaryTree.prototype._getHeight = function (node) {
+  exports.BinaryTree.prototype._getHeight = function (node) {
     if (!node) {
       return 0;
     }
@@ -361,14 +385,14 @@
    * Finds the lowest common ancestor of two nodes.
    *
    * @public
-   * @returns {Node} The lowest common ancestor of the two nodes or null
+   * @returns {Node} The lowest common ancestor of the two nodes or null.
    */
-  BinaryTree.prototype.lowestCommonAncestor =
+  exports.BinaryTree.prototype.lowestCommonAncestor =
    function (firstNode, secondNode) {
     return this._lowestCommonAncestor(firstNode, secondNode, this._root);
   };
 
-  BinaryTree.prototype._lowestCommonAncestor =
+  exports.BinaryTree.prototype._lowestCommonAncestor =
    function (firstNode, secondNode, current) {
     var firstNodeInLeft = this._existsInSubtree(firstNode, current._left),
         secondNodeInLeft = this._existsInSubtree(secondNode, current._left),
@@ -387,7 +411,7 @@
     return null;
   };
 
-  BinaryTree.prototype._existsInSubtree = function (node, root) {
+  exports.BinaryTree.prototype._existsInSubtree = function (node, root) {
     if (!root) {
       return false;
     }
@@ -398,7 +422,4 @@
       this._existsInSubtree(node, root._right);
   };
 
-  exports.BinaryTree = BinaryTree;
-  exports.Node = Node;
-
 }(typeof exports === 'undefined' ? window : exports));

From fa236dfd5986717f5ab14e68e44fd6a47a205e95 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sat, 10 Jan 2015 15:31:30 +0200
Subject: [PATCH 035/337] add binary heap doc

---
 src/data-structures/binary-search-tree.js |   2 +-
 src/data-structures/heap.js               | 117 ++++++++++++++++------
 2 files changed, 85 insertions(+), 34 deletions(-)

diff --git a/src/data-structures/binary-search-tree.js b/src/data-structures/binary-search-tree.js
index 24cf2580..546379fb 100644
--- a/src/data-structures/binary-search-tree.js
+++ b/src/data-structures/binary-search-tree.js
@@ -422,4 +422,4 @@
       this._existsInSubtree(node, root._right);
   };
 
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file
diff --git a/src/data-structures/heap.js b/src/data-structures/heap.js
index d702d69b..ce98a4bb 100644
--- a/src/data-structures/heap.js
+++ b/src/data-structures/heap.js
@@ -1,13 +1,54 @@
+/**
+ * A binary heap is a complete binary tree which satisfies the heap ordering property.
+ * 
+ * @example
+ * var Heap = require('path-to-algorithms/src/data-structures/heap').Heap;
+ * 
+ * var heap = new Heap(function(a, b) {
+ *     return a.birthyear - b.birthyear;
+ * });
+ * 
+ * heap.add({
+ *     name: 'John',
+ *     birthyear: 1981
+ * });
+ * heap.add({
+ *     name: 'Pavlo',
+ *     birthyear: 2000
+ * });
+ * heap.add({
+ *     name: 'Garry',
+ *     birthyear: 1989
+ * });
+ * heap.add({
+ *     name: 'Derek',
+ *     birthyear: 1990
+ * });
+ * heap.add({
+ *     name: 'Ivan',
+ *     birthyear: 1966
+ * });
+ *
+ * console.log(heap.extract()); // { name: 'Pavlo', birthyear: 2000 }
+ * console.log(heap.extract()); // { name: 'Derek', birthyear: 1990 }
+ * console.log(heap.extract()); // { name: 'Garry', birthyear: 1989 }
+ * console.log(heap.extract()); // { name: 'John', birthyear: 1981 }
+ * console.log(heap.extract()); // { name: 'Ivan', birthyear: 1966 }
+ *
+ * @module data-structures/heap
+ */
 (function (exports) {
+
   'use strict';
 
   /**
-   * Constructor function of minimum heap
+   * Minimum heap constructor.
    *
    * @public
-   * @param {function} Function used for comparition between the elements
+   * @constructor
+   * @param {Function} cmp Function used for comparition between the elements.
    */
-  function Heap(cmp) {
+  exports.Heap = function(cmp) {
     this._heap = [];
     if (typeof cmp === 'function') {
       this._cmp = cmp;
@@ -21,13 +62,14 @@
   /**
    * Exchange indexes with start index given as argument
    * to turn the tree into a valid heap. On a single call
-   * this method maintains only a single "branch" of the heap.
-   * Complexity O(log n)
+   * this method maintains only a single "branch" of the heap.<br><br>
+   *
+   * Time complexity: O(log N).
    *
    * @private
-   * @param {Number} index The parent
+   * @param {Number} index The parent.
    */
-  Heap.prototype._heapify = function (index) {
+  exports.Heap.prototype._heapify = function (index) {
     var extr = index,
         left = 2 * index + 1,
         right = 2 * index + 2,
@@ -52,14 +94,15 @@
   };
 
   /**
-   * Changes the key for give index. Complexity O(log n).
-   *
+   * Changes the key.<br><br>
+   * Complexity: O(log N).
+   * 
    * @public
-   * @param {Number} index Index which key should be changed
-   * @param {Number} value New value of the key
-   * @returns {Number} parent The new position of the element
+   * @param {Number} index Index of the value which should be changed.
+   * @param {Number|Object} value New value according to the index.
+   * @return {Number} New position of the element.
    */
-  Heap.prototype.changeKey = function (index, value) {
+  exports.Heap.prototype.changeKey = function (index, value) {
     this._heap[index] = value;
     var elem = this._heap[index],
         parent = Math.floor(index / 2),
@@ -77,11 +120,14 @@
   };
 
   /**
-   * Updates given node. This operation is useful
+   * Updates a given node. This operation is useful
    * in algorithms like Dijkstra, A* where we need
-   * to decrease/increase the value of givne node.
+   * to decrease/increase value of the given node.
+   *
+   * @public
+   * @param {Number|Object} node Node which should be updated.
    */
-  Heap.prototype.update = function (node) {
+  exports.Heap.prototype.update = function (node) {
     var idx = this._heap.indexOf(node);
     if (idx >= 0) {
       this.changeKey(idx, node);
@@ -89,53 +135,58 @@
   };
 
   /**
-   * Adds new element to the heap. Complexity O(log n).
+   * Adds new element to the heap.<br><br>
+   * Complexity: O(log N).
    *
    * @public
-   * @param {Number} value The new value which will be inserted
-   * @returns {Number}  The index of the inserted value
+   * @param {Number|Object} value Value which will be inserted.
+   * @return {Number} Index of the inserted value.
    */
-  Heap.prototype.add = function (value) {
+  exports.Heap.prototype.add = function (value) {
     this._heap.push(value);
     return this.changeKey(this._heap.length - 1, value);
   };
 
   /**
-   * Gets the current value which is on the top of the heap. Complexity O(1).
+   * Returns current value which is on the top of the heap.<br><br>
+   * Complexity: O(1).
    *
    * @public
-   * returns {Number} The current top value.
+   * @return {Number|Object} Current top value.
    */
-  Heap.prototype.top = function () {
+  exports.Heap.prototype.top = function () {
     return this._heap[0];
   };
 
   /**
    * Removes and returns the current extremum value
-   * which is on the top of the heap.
-   * Complexity O(log n).
+   * which is on the top of the heap.<br><br>
+   * Complexity: O(log N).
    *
    * @public
-   * @returns {Number} The extremum value
+   * @returns {Number|Object} The extremum value.
    */
-  Heap.prototype.extract = function () {
+  exports.Heap.prototype.extract = function () {
     if (!this._heap.length) {
       throw 'The heap is already empty!';
     }
-
     var extr = this._heap.shift();
     this._heapify(0);
     return extr;
   };
 
-  Heap.prototype.getCollection = function () {
+  exports.Heap.prototype.getCollection = function () {
     return this._heap;
   };
 
-  Heap.prototype.isEmpty = function () {
+  /**
+   * Checks or heap is empty.
+   *
+   * @public
+   * @returns {Boolean} Returns true if heap is empty.
+   */
+  exports.Heap.prototype.isEmpty = function () {
     return !this._heap.length;
   };
 
-  exports.Heap = Heap;
-
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file

From 4e9ec58d0aa20a98e9516e667b5ed12c9cb18978 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 10 Jan 2015 17:31:35 +0200
Subject: [PATCH 036/337] Fix linting errors

---
 src/data-structures/binary-search-tree.js | 31 ++++++++++++++---------
 src/data-structures/heap.js               | 13 +++++-----
 2 files changed, 26 insertions(+), 18 deletions(-)

diff --git a/src/data-structures/binary-search-tree.js b/src/data-structures/binary-search-tree.js
index 546379fb..1cc20012 100644
--- a/src/data-structures/binary-search-tree.js
+++ b/src/data-structures/binary-search-tree.js
@@ -36,7 +36,7 @@
    * @param {Node} right Right sibling.
    * @param {Node} parent Parent of the node.
    */
-  exports.Node = function(value, left, right, parent) {
+  exports.Node = function (value, left, right, parent) {
     /**
      * @member {Number|String}
      */
@@ -44,7 +44,7 @@
     this._left = left;
     this._right = right;
     this._parent = parent;
-  }
+  };
 
   /**
    * Binary tree.
@@ -52,9 +52,9 @@
    * @public
    * @constructor
    */
-  exports.BinaryTree = function() {
+  exports.BinaryTree = function () {
     this._root = null;
-  }
+  };
 
   /**
    * Inserts a node into the binary search tree.<br><br>
@@ -90,7 +90,8 @@
    *
    * @private
    * @param {Node} current Node from which to start the traversal.
-   * @param {Function} callback Callback which will be called for each traversed node.
+   * @param {Function} callback Callback which
+   *    will be called for each traversed node.
    */
   exports.BinaryTree.prototype._inorder = function (current, callback) {
     if (!current) {
@@ -108,7 +109,8 @@
    *
    * @public
    * @method
-   * @param {Function} callback Callback which will be called for each traversed node.
+   * @param {Function} callback Callback which will
+   *   be called for each traversed node.
    */
   exports.BinaryTree.prototype.inorder = function (callback) {
     return this._inorder(this._root, callback);
@@ -119,7 +121,8 @@
    *
    * @private
    * @param {Node} current Node from which to start the traversal.
-   * @param {Function} callback Callback which will be called for each traversed node.
+   * @param {Function} callback Callback which will
+   *   be called for each traversed node
    */
   exports.BinaryTree.prototype._postorder = function (current, callback) {
     if (!current) {
@@ -136,7 +139,8 @@
    * Post-order traversal of the whole tree.
    *
    * @public
-   * @param {Function} callback Callback which will be called for each traversed node.
+   * @param {Function} callback Callback which will
+   *   be called for each traversed node.
    */
   exports.BinaryTree.prototype.postorder = function (callback) {
     return this._postorder(this._root, callback);
@@ -147,7 +151,8 @@
    *
    * @private
    * @param {Node} current Node from which to start the traversal.
-   * @param {Function} callback Callback which will be called for each traversed node.
+   * @param {Function} callback Callback which will
+   *    be called for each traversed node.
    */
   exports.BinaryTree.prototype._preorder = function (current, callback) {
     if (!current) {
@@ -162,9 +167,10 @@
 
   /**
    * Pre-order preorder traversal of the whole tree.
-   * 
+   *
    * @public
-   * @param {Function} callback Callback which will be called for each traversed node.
+   * @param {Function} callback Callback which will be
+   *    called for each traversed node.
    */
   exports.BinaryTree.prototype.preorder = function (callback) {
     return this._preorder(this._root, callback);
@@ -215,7 +221,8 @@
    * @param {Node} oldChild Child to be replaced.
    * @param {Node} newChild Child replacement.
    */
-  exports.BinaryTree.prototype._replaceChild = function (parent, oldChild, newChild) {
+  exports.BinaryTree.prototype._replaceChild =
+   function (parent, oldChild, newChild) {
     if (!parent) {
       this._root = newChild;
       this._root._parent = null;
diff --git a/src/data-structures/heap.js b/src/data-structures/heap.js
index ce98a4bb..963fc4a0 100644
--- a/src/data-structures/heap.js
+++ b/src/data-structures/heap.js
@@ -1,13 +1,14 @@
 /**
- * A binary heap is a complete binary tree which satisfies the heap ordering property.
- * 
+ * A binary heap is a complete binary tree which
+ * satisfies the heap ordering property.
+ *
  * @example
  * var Heap = require('path-to-algorithms/src/data-structures/heap').Heap;
- * 
+ *
  * var heap = new Heap(function(a, b) {
  *     return a.birthyear - b.birthyear;
  * });
- * 
+ *
  * heap.add({
  *     name: 'John',
  *     birthyear: 1981
@@ -48,7 +49,7 @@
    * @constructor
    * @param {Function} cmp Function used for comparition between the elements.
    */
-  exports.Heap = function(cmp) {
+  exports.Heap = function (cmp) {
     this._heap = [];
     if (typeof cmp === 'function') {
       this._cmp = cmp;
@@ -57,7 +58,7 @@
         return a - b;
       };
     }
-  }
+  };
 
   /**
    * Exchange indexes with start index given as argument

From b28985f936e0a48b577af97d7a076bc8ee56c865 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 10 Jan 2015 17:35:29 +0200
Subject: [PATCH 037/337] Intentionally break the build

---
 test/graphs/searching/bfs.spec.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/graphs/searching/bfs.spec.js b/test/graphs/searching/bfs.spec.js
index 4ffa6e1c..07a7786c 100644
--- a/test/graphs/searching/bfs.spec.js
+++ b/test/graphs/searching/bfs.spec.js
@@ -13,7 +13,7 @@ var bfs = require('../../../src/graphs/searching/bfs').bfs;
 describe('BFS', function () {
 
   it('should work with empty graph', function () {
-    expect(bfs([], 0, 0)).toEqual([0]);
+    expect(bfs([], 0, 0)).toEqual([1]);
   });
 
   it('should return the correct output when used with\

From 865abc46bad761b13210845f11f00c6dfe9db298 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 10 Jan 2015 17:40:43 +0200
Subject: [PATCH 038/337] Fix jshint config

---
 gulpfile.js                            | 8 +++++---
 package.json                           | 3 ++-
 src/compression/runlength/runlength.js | 2 +-
 test/graphs/searching/bfs.spec.js      | 2 +-
 4 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/gulpfile.js b/gulpfile.js
index 5bfc5607..4d32a7eb 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -2,7 +2,8 @@
 var gulp = require('gulp'),
     shell = require('gulp-shell'),
     jshint = require('gulp-jshint'),
-    jasmine = require('gulp-jasmine');
+    jasmine = require('gulp-jasmine'),
+    stylish = require('jshint-stylish');
 
 gulp.task('jsdoc', shell.task([
   './node_modules/.bin/jsdoc -c ./doc-config.json',
@@ -11,7 +12,8 @@ gulp.task('jsdoc', shell.task([
 gulp.task('lint', function () {
   return gulp.src(['./src/**/*.js'], ['./test/**/*.js'])
     .pipe(jshint())
-    .pipe(jshint.reporter('default'));
+    .pipe(jshint.reporter(stylish))
+    .pipe(jshint.reporter('fail'));
 });
 
 gulp.task('test', function () {
@@ -19,4 +21,4 @@ gulp.task('test', function () {
     .pipe(jasmine());
 });
 
-gulp.task('build', ['lint', 'test']);
\ No newline at end of file
+gulp.task('build', ['lint', 'test']);
diff --git a/package.json b/package.json
index 960259c0..d5c5aa75 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,8 @@
     "gulp-jasmine": "^1.0.1",
     "gulp-jshint": "^1.9.0",
     "gulp-shell": "^0.2.11",
-    "jsdoc": "3.3.0-alpha13"
+    "jsdoc": "3.3.0-alpha13",
+    "jshint-stylish": "^1.0.0"
   },
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
diff --git a/src/compression/runlength/runlength.js b/src/compression/runlength/runlength.js
index fa9e7532..f8a92c13 100644
--- a/src/compression/runlength/runlength.js
+++ b/src/compression/runlength/runlength.js
@@ -1,6 +1,6 @@
 /**
  * Run-length encoding.
- * The idea of this algorithm is to remove the usless zeros and
+ * The idea of this algorithm is to remove the usless zeros and                           
  * give us representation of string in binary which in which the
  * zeros will be stripped and replaced with their count.
  */
diff --git a/test/graphs/searching/bfs.spec.js b/test/graphs/searching/bfs.spec.js
index 07a7786c..4ffa6e1c 100644
--- a/test/graphs/searching/bfs.spec.js
+++ b/test/graphs/searching/bfs.spec.js
@@ -13,7 +13,7 @@ var bfs = require('../../../src/graphs/searching/bfs').bfs;
 describe('BFS', function () {
 
   it('should work with empty graph', function () {
-    expect(bfs([], 0, 0)).toEqual([1]);
+    expect(bfs([], 0, 0)).toEqual([0]);
   });
 
   it('should return the correct output when used with\

From 76b299dc96ee04add729c297047f3b1922c7cc44 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 10 Jan 2015 18:09:59 +0200
Subject: [PATCH 039/337] Fix the build

---
 src/compression/runlength/runlength.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compression/runlength/runlength.js b/src/compression/runlength/runlength.js
index f8a92c13..889c7f16 100644
--- a/src/compression/runlength/runlength.js
+++ b/src/compression/runlength/runlength.js
@@ -1,6 +1,6 @@
 /**
  * Run-length encoding.
- * The idea of this algorithm is to remove the usless zeros and                           
+ * The idea of this algorithm is to remove the usless zeros and 
  * give us representation of string in binary which in which the
  * zeros will be stripped and replaced with their count.
  */

From a70d9c6346e836c3649b5a73445536a35b2f67e4 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sat, 10 Jan 2015 18:19:58 +0200
Subject: [PATCH 040/337] doc interval-tree

---
 src/data-structures/interval-tree.js | 134 ++++++++++++++++++++++++---
 1 file changed, 119 insertions(+), 15 deletions(-)

diff --git a/src/data-structures/interval-tree.js b/src/data-structures/interval-tree.js
index 67ce086c..e9d602f8 100644
--- a/src/data-structures/interval-tree.js
+++ b/src/data-structures/interval-tree.js
@@ -1,20 +1,81 @@
+/**
+ * Interval tree is an ordered tree data structure to hold intervals.
+ *
+ * @example
+ *
+ * var IT = require('../src/data-structures/interval-tree');
+ * var intervalTree = new IT.IntervalTree();
+ *
+ * intervalTree.add([0, 100]);
+ * intervalTree.add([101, 200]);
+ * intervalTree.add([10, 50]);
+ * intervalTree.add([120, 220]);
+ *
+ * console.log(intervalTree.contains(150)); // true
+ * console.log(intervalTree.contains(250)); // false
+ * console.log(intervalTree.intersects([210, 310])); // true
+ * console.log(intervalTree.intersects([310, 320])); // false
+ *
+ * @module data-structures/interval-tree
+ */
 (function (exports) {
+
   'use strict';
 
-  function Node(start, end, left, right) {
+  /**
+   * Node which describes an interval.
+   * 
+   * @public
+   * @constructor
+   * @param {Number} start Start of the interval.
+   * @param {Number} end End of the interval.
+   * @param {Node} left Left child node.
+   * @param {Node} right Right child node.
+   */
+  exports.Node = function(start, end, left, right) {
+    /**
+     * Node interval.
+     * @member {Array}
+     */
     this.interval = [start, end];
+    /**
+     * Max endpoint in subtree which starts from this node. 
+     * @member {Number}
+     */
     this.max = -Infinity;
+    /**
+     * Parent node.
+     * @member {Node}
+     */    
     this.parentNode = null;
+    /**
+     * Left child node.
+     * @member {Node}
+     */
     this.left = left;
+    /**
+     * Right child node.
+     * @member {Node}
+     */
     this.right = right;
   }
 
-  function IntervalTree() {
+  /**
+   * Interval tree.
+   *
+   * @public
+   * @constructor
+   */
+  exports.IntervalTree = function() {
+    /**
+     * Root node of the tree.
+     * @member {Node}
+     */
     this.root = null;
   }
 
   function addNode(node, side, interval) {
-    var child = new Node(interval[0], interval[1]);
+    var child = new exports.Node(interval[0], interval[1]);
     child.parentNode = node;
     node[side] = child;
     if (node.max < interval[1]) {
@@ -43,9 +104,15 @@
     }
   }
 
-  IntervalTree.prototype.add = function (interval) {
+  /**
+   * Add new interval to the tree.
+   * 
+   * @public
+   * @param {Array} intreval Array with start and end points of the interval.
+   */
+  exports.IntervalTree.prototype.add = function (interval) {
     if (!this.root) {
-      this.root = new Node(interval[0], interval[1]);
+      this.root = new exports.Node(interval[0], interval[1]);
       return;
     }
     addHelper(this.root, interval);
@@ -70,7 +137,16 @@
     return result;
   }
 
-  IntervalTree.prototype.contains = function (point) {
+  /**
+   * Checks or point belongs to at least one intarval from the tree.<br><br>
+   * Complexity: O(log N).
+   * 
+   * @public
+   * @method
+   * @param {Number} point Point which should be checked.
+   * @return {Boolean} True if point belongs to one of the intervals.
+   */
+  exports.IntervalTree.prototype.contains = function (point) {
     return contains(point, this.root);
   };
 
@@ -96,7 +172,16 @@
            (b[0] <= a[0] && b[1] >= a[0]) || (b[0] <= a[1] && b[1] >= a[1]);
   }
 
-  IntervalTree.prototype.intersects = function (interval) {
+  /**
+   * Checks or interval belongs to at least one intarval from the tree.<br><br>
+   * Complexity: O(log N).
+   *
+   * @public
+   * @method
+   * @param {Array} interval Interval which should be checked.
+   * @return {Boolean} True if interval intersects with one of the intervals.
+   */
+  exports.IntervalTree.prototype.intersects = function (interval) {
     return intersectsHelper(interval, this.root);
   };
 
@@ -107,11 +192,26 @@
     return 1 + Math.max(heightHelper(node.left), heightHelper(node.right));
   }
 
-  IntervalTree.prototype.height = function () {
+  /**
+   * Returns height of the tree.
+   * 
+   * @public
+   * @method
+   * @return {Number} Height of the tree.
+   */
+  exports.IntervalTree.prototype.height = function () {
     return heightHelper(this.root);
   };
 
-  IntervalTree.prototype.findMax = function (node) {
+  /**
+   * Returns node with the max endpoint in subtree.
+   *
+   * @public
+   * @method
+   * @param {Node} node Root node of subtree.
+   * @return {Node} Node with the largest endpoint.
+   */
+  exports.IntervalTree.prototype.findMax = function (node) {
     var stack = [node],
         current, max = -Infinity, maxNode;
     while (stack.length) {
@@ -131,7 +231,7 @@
   };
 
   // adjust the max value
-  IntervalTree.prototype._removeHelper =
+  exports.IntervalTree.prototype._removeHelper =
    function (interval, node) {
     if (!node) {
       return;
@@ -193,11 +293,15 @@
     }
   };
 
-  IntervalTree.prototype.remove = function (interval) {
+  /**
+   * Remove interval from the tree.
+   * 
+   * @public
+   * @method
+   * @param {Array} intreval Array with start and end of the interval.
+   */
+  exports.IntervalTree.prototype.remove = function (interval) {
     return this._removeHelper(interval, this.root);
   };
 
-  exports.Node = Node;
-  exports.IntervalTree = IntervalTree;
-
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file

From 24695165ae973d94fdf8f88266290fbf020dcd8e Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sat, 10 Jan 2015 18:24:06 +0200
Subject: [PATCH 041/337] fix jshint issues

---
 src/data-structures/binary-search-tree.js | 25 +++++++++++++++--------
 src/data-structures/heap.js               |  5 +++--
 src/data-structures/interval-tree.js      |  4 ++--
 3 files changed, 21 insertions(+), 13 deletions(-)

diff --git a/src/data-structures/binary-search-tree.js b/src/data-structures/binary-search-tree.js
index 546379fb..33526183 100644
--- a/src/data-structures/binary-search-tree.js
+++ b/src/data-structures/binary-search-tree.js
@@ -44,7 +44,7 @@
     this._left = left;
     this._right = right;
     this._parent = parent;
-  }
+  };
 
   /**
    * Binary tree.
@@ -54,7 +54,7 @@
    */
   exports.BinaryTree = function() {
     this._root = null;
-  }
+  };
 
   /**
    * Inserts a node into the binary search tree.<br><br>
@@ -90,7 +90,8 @@
    *
    * @private
    * @param {Node} current Node from which to start the traversal.
-   * @param {Function} callback Callback which will be called for each traversed node.
+   * @param {Function} callback Callback which will be called
+   * for each traversed node.
    */
   exports.BinaryTree.prototype._inorder = function (current, callback) {
     if (!current) {
@@ -108,7 +109,8 @@
    *
    * @public
    * @method
-   * @param {Function} callback Callback which will be called for each traversed node.
+   * @param {Function} callback Callback which will be
+   * called for each traversed node.
    */
   exports.BinaryTree.prototype.inorder = function (callback) {
     return this._inorder(this._root, callback);
@@ -119,7 +121,8 @@
    *
    * @private
    * @param {Node} current Node from which to start the traversal.
-   * @param {Function} callback Callback which will be called for each traversed node.
+   * @param {Function} callback Callback which will be called
+   * for each traversed node.
    */
   exports.BinaryTree.prototype._postorder = function (current, callback) {
     if (!current) {
@@ -136,7 +139,8 @@
    * Post-order traversal of the whole tree.
    *
    * @public
-   * @param {Function} callback Callback which will be called for each traversed node.
+   * @param {Function} callback Callback which
+   * will be called for each traversed node.
    */
   exports.BinaryTree.prototype.postorder = function (callback) {
     return this._postorder(this._root, callback);
@@ -147,7 +151,8 @@
    *
    * @private
    * @param {Node} current Node from which to start the traversal.
-   * @param {Function} callback Callback which will be called for each traversed node.
+   * @param {Function} callback Callback which
+   * will be called for each traversed node.
    */
   exports.BinaryTree.prototype._preorder = function (current, callback) {
     if (!current) {
@@ -164,7 +169,8 @@
    * Pre-order preorder traversal of the whole tree.
    * 
    * @public
-   * @param {Function} callback Callback which will be called for each traversed node.
+   * @param {Function} callback Callback which will
+   * be called for each traversed node.
    */
   exports.BinaryTree.prototype.preorder = function (callback) {
     return this._preorder(this._root, callback);
@@ -215,7 +221,8 @@
    * @param {Node} oldChild Child to be replaced.
    * @param {Node} newChild Child replacement.
    */
-  exports.BinaryTree.prototype._replaceChild = function (parent, oldChild, newChild) {
+  exports.BinaryTree.prototype._replaceChild = 
+  function (parent, oldChild, newChild) {
     if (!parent) {
       this._root = newChild;
       this._root._parent = null;
diff --git a/src/data-structures/heap.js b/src/data-structures/heap.js
index ce98a4bb..e366c7f7 100644
--- a/src/data-structures/heap.js
+++ b/src/data-structures/heap.js
@@ -1,5 +1,6 @@
 /**
- * A binary heap is a complete binary tree which satisfies the heap ordering property.
+ * A binary heap is a complete binary tree which
+ * satisfies the heap ordering property.
  * 
  * @example
  * var Heap = require('path-to-algorithms/src/data-structures/heap').Heap;
@@ -57,7 +58,7 @@
         return a - b;
       };
     }
-  }
+  };
 
   /**
    * Exchange indexes with start index given as argument
diff --git a/src/data-structures/interval-tree.js b/src/data-structures/interval-tree.js
index e9d602f8..0c549f2a 100644
--- a/src/data-structures/interval-tree.js
+++ b/src/data-structures/interval-tree.js
@@ -58,7 +58,7 @@
      * @member {Node}
      */
     this.right = right;
-  }
+  };
 
   /**
    * Interval tree.
@@ -72,7 +72,7 @@
      * @member {Node}
      */
     this.root = null;
-  }
+  };
 
   function addNode(node, side, interval) {
     var child = new exports.Node(interval[0], interval[1]);

From 48030389856024314e1f4a02a8122a4f7b4a7c22 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sat, 10 Jan 2015 22:30:12 +0200
Subject: [PATCH 042/337] add linked-list jsdoc

---
 src/data-structures/linked-list.js | 140 +++++++++++++++++++++++++----
 1 file changed, 124 insertions(+), 16 deletions(-)

diff --git a/src/data-structures/linked-list.js b/src/data-structures/linked-list.js
index 74456600..c8cdca68 100644
--- a/src/data-structures/linked-list.js
+++ b/src/data-structures/linked-list.js
@@ -1,19 +1,87 @@
+/**
+ * Linked list.
+ *
+ * @example
+ *
+ * var LL = require('../src/data-structures/linked-list');
+ *
+ * var linkedList = new LL.LinkedList();
+ *
+ * linkedList.push({
+ *   name: 'John',
+ *   birthyear: 1981
+ * });
+ * linkedList.push({
+ *   name: 'Pavlo',
+ *   birthyear: 2000
+ * });
+ * linkedList.push({
+ *   name: 'Garry',
+ *   birthyear: 1989
+ * });
+ * linkedList.push({
+ *   name: 'Derek',
+ *   birthyear: 1990
+ * });
+ * linkedList.push({
+ *   name: 'Ivan',
+ *   birthyear: 1966
+ * });
+ *
+ * console.log(linkedList.shift().data); // { name: 'John', birthyear: 1981 }
+ * console.log(linkedList.pop().data);   // { name: 'Ivan', birthyear: 1966 }
+ *
+ * @module data-structures/linked-list
+ */
 (function (exports) {
+
   'use strict';
 
-  function Node(data) {
+  /**
+   * Linked list node.
+   *
+   * @public
+   * @constructor
+   * @param {Object} data Data of the node.
+   */
+  exports.Node = function (data) {
+    /**
+     * Data of the node.
+     * @member {Object}
+     */
     this.data = data;
+    /**
+     * Next node.
+     * @member {Node}
+     */
     this.next = null;
+    /**
+     * Previous node.
+     * @member {Node}
+     */
     this.prev = null;
   }
 
-  function LinkedList() {
+  /**
+   * Linked list.
+   *
+   * @public
+   * @constructor
+   */
+  exports.LinkedList = function () {
     this.first = null;
     this.last = null;
   }
 
-  LinkedList.prototype.push = function (data) {
-    var node = new Node(data);
+  /**
+   * Add data to the end of linked list.
+   *
+   * @public
+   * @method
+   * @param {Object} data Data which should be added.
+   */
+  exports.LinkedList.prototype.push = function (data) {
+    var node = new exports.Node(data);
     if (this.first === null) {
       this.first = this.last = node;
     } else {
@@ -24,8 +92,15 @@
     }
   };
 
-  LinkedList.prototype.unshift = function (data) {
-    var node = new Node(data);
+  /**
+   * Add data to the beginning of linked list.
+   *
+   * @public
+   * @method
+   * @param {Object} data Data which should be added.
+   */
+  exports.LinkedList.prototype.unshift = function (data) {
+    var node = new exports.Node(data);
     if (this.first === null) {
       this.first = this.last = node;
     } else {
@@ -36,7 +111,14 @@
     }
   };
 
-  LinkedList.prototype.inorder = function (cb) {
+  /**
+   * In order traversal of the linked list.
+   *
+   * @public
+   * @method
+   * @param {Function} cb Callback which should be executed on each node.
+   */
+  exports.LinkedList.prototype.inorder = function (cb) {
     var temp = this.first;
     while (temp) {
       cb(temp);
@@ -44,7 +126,15 @@
     }
   };
 
-  LinkedList.prototype.remove = function (data) {
+  /**
+   * Remove data from the linked list.
+   *
+   * @public
+   * @method
+   * @param {Object} data Data which should be removed.
+   * @return {Boolean} Returns true if data has been removed.
+   */
+  exports.LinkedList.prototype.remove = function (data) {
     if (this.first === null) {
       return false;
     }
@@ -73,7 +163,14 @@
     return false;
   };
 
-  LinkedList.prototype.hasCycle = function () {
+  /**
+   * Check or linked list contains cycle.
+   *
+   * @public
+   * @method
+   * @return {Boolean} Returns true if linked list contains cycle.
+   */
+  exports.LinkedList.prototype.hasCycle = function () {
     var fast = this.first,
         slow = this.first;
     while (true) {
@@ -92,7 +189,14 @@
     }
   };
 
-  LinkedList.prototype.pop = function () {
+  /**
+   * Return last node from the linked list.
+   *
+   * @public
+   * @method
+   * @return {Node} Last node.
+   */
+  exports.LinkedList.prototype.pop = function () {
     if (this.last === null) {
       return null;
     }
@@ -101,7 +205,14 @@
     return temp;
   };
 
-  LinkedList.prototype.shift = function () {
+  /**
+   * Return first node from the linked list.
+   *
+   * @public
+   * @method
+   * @return {Node} First node.
+   */
+  exports.LinkedList.prototype.shift = function () {
     if (this.first === null) {
       return null;
     }
@@ -110,7 +221,7 @@
     return temp;
   };
 
-  LinkedList.prototype.recursiveReverse = function () {
+  exports.LinkedList.prototype.recursiveReverse = function () {
 
     function inverse(current, next) {
       if (!next) {
@@ -130,7 +241,7 @@
     this.last = temp;
   };
 
-  LinkedList.prototype.reverse = function () {
+  exports.LinkedList.prototype.reverse = function () {
     if (!this.first || !this.first.next) {
       return;
     }
@@ -151,8 +262,5 @@
     this.last = temp;
   };
 
-  exports.LinkedList = LinkedList;
-  exports.Node = Node;
-
 }(typeof exports === 'undefined' ? window : exports));
 

From 947f392639f636687520a350d4432d9ac99034a3 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sat, 10 Jan 2015 22:34:57 +0200
Subject: [PATCH 043/337] fix jshint errors

---
 src/data-structures/linked-list.js    | 7 +++----
 src/data-structures/red-black-tree.js | 1 -
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/data-structures/linked-list.js b/src/data-structures/linked-list.js
index c8cdca68..65045f3a 100644
--- a/src/data-structures/linked-list.js
+++ b/src/data-structures/linked-list.js
@@ -60,7 +60,7 @@
      * @member {Node}
      */
     this.prev = null;
-  }
+  };
 
   /**
    * Linked list.
@@ -71,7 +71,7 @@
   exports.LinkedList = function () {
     this.first = null;
     this.last = null;
-  }
+  };
 
   /**
    * Add data to the end of linked list.
@@ -262,5 +262,4 @@
     this.last = temp;
   };
 
-}(typeof exports === 'undefined' ? window : exports));
-
+})(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file
diff --git a/src/data-structures/red-black-tree.js b/src/data-structures/red-black-tree.js
index dcd00651..5a6b2154 100644
--- a/src/data-structures/red-black-tree.js
+++ b/src/data-structures/red-black-tree.js
@@ -12,7 +12,6 @@
 
   global.Colors = Colors;
 
-
   /**
    * Represents given node in the tree.
    *

From 87f7e0fb85d4e14cb0b16dacbc1ac8cd8c97c855 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sat, 10 Jan 2015 22:48:41 +0200
Subject: [PATCH 044/337] fix jsdoc paths

---
 src/data-structures/interval-tree.js | 2 +-
 src/data-structures/linked-list.js   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/data-structures/interval-tree.js b/src/data-structures/interval-tree.js
index 0c549f2a..072e16c0 100644
--- a/src/data-structures/interval-tree.js
+++ b/src/data-structures/interval-tree.js
@@ -3,7 +3,7 @@
  *
  * @example
  *
- * var IT = require('../src/data-structures/interval-tree');
+ * var IT = require('path-to-algorithm/src/data-structures/interval-tree');
  * var intervalTree = new IT.IntervalTree();
  *
  * intervalTree.add([0, 100]);
diff --git a/src/data-structures/linked-list.js b/src/data-structures/linked-list.js
index 65045f3a..206cbf93 100644
--- a/src/data-structures/linked-list.js
+++ b/src/data-structures/linked-list.js
@@ -3,7 +3,7 @@
  *
  * @example
  *
- * var LL = require('../src/data-structures/linked-list');
+ * var LL = require('path-to-algorithm/src/data-structures/linked-list');
  *
  * var linkedList = new LL.LinkedList();
  *

From d6f70ed1c73fc8067b77d9e2a0b2b7a362fcd6ef Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sat, 10 Jan 2015 22:49:36 +0200
Subject: [PATCH 045/337] fix jsdoc paths

---
 src/data-structures/interval-tree.js | 2 +-
 src/data-structures/linked-list.js   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/data-structures/interval-tree.js b/src/data-structures/interval-tree.js
index 072e16c0..c6b5dd72 100644
--- a/src/data-structures/interval-tree.js
+++ b/src/data-structures/interval-tree.js
@@ -3,7 +3,7 @@
  *
  * @example
  *
- * var IT = require('path-to-algorithm/src/data-structures/interval-tree');
+ * var IT = require('path-to-algorithms/src/data-structures/interval-tree');
  * var intervalTree = new IT.IntervalTree();
  *
  * intervalTree.add([0, 100]);
diff --git a/src/data-structures/linked-list.js b/src/data-structures/linked-list.js
index 206cbf93..a9ec74d3 100644
--- a/src/data-structures/linked-list.js
+++ b/src/data-structures/linked-list.js
@@ -3,7 +3,7 @@
  *
  * @example
  *
- * var LL = require('path-to-algorithm/src/data-structures/linked-list');
+ * var LL = require('path-to-algorithms/src/data-structures/linked-list');
  *
  * var linkedList = new LL.LinkedList();
  *

From c4b935c4486564acdcbd2519b30203bd80aa96e2 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sun, 11 Jan 2015 01:15:38 +0200
Subject: [PATCH 046/337] add red-black tree documentation

---
 src/data-structures/red-black-tree.js | 158 ++++++++++++++++++++------
 1 file changed, 121 insertions(+), 37 deletions(-)

diff --git a/src/data-structures/red-black-tree.js b/src/data-structures/red-black-tree.js
index 5a6b2154..e05a1786 100644
--- a/src/data-structures/red-black-tree.js
+++ b/src/data-structures/red-black-tree.js
@@ -1,4 +1,34 @@
-(function (global) {
+/**
+ * Red-Black tree is a data structure which is
+ * a type of self-balancing binary search tree.
+ * 
+ * @example
+ *
+ * var RBTree = require('../src/data-structures/red-black-tree').RBTree;
+ * var rbTree = new RBTree();
+ *
+ * rbTree.put(1981, {
+ *   name: 'John',
+ *   surname: 'Smith'
+ * });
+ * rbTree.put(2000, {
+ *   name: 'Pavlo',
+ *   surname: 'Popov'
+ * });
+ * rbTree.put(1989, {
+ *   name: 'Garry',
+ *   surname: 'Fisher'
+ * });
+ * rbTree.put(1990, {
+ *   name: 'Derek',
+ *   surname: 'Anderson'
+ * });
+ *
+ * console.log(rbTree.get(1989)); // { name: 'Garry', surname: 'Fisher' }
+ * 
+ * @module data-structures/red-black-tree
+ */
+(function (exports) {
 
   'use strict';
 
@@ -9,13 +39,18 @@
     RED: 0,
     BLACK: 1
   };
-
-  global.Colors = Colors;
+  exports.Colors = Colors;
 
   /**
-   * Represents given node in the tree.
-   *
+   * Node of the Red-Black tree.
+   * 
+   * @private
    * @constructor
+   * @param {Number} key Key of the node.
+   * @param {Object} value Value assigned to the node.
+   * @param {Node} left Left node.
+   * @param {Node} right Right node.
+   * @param {Number} color Node color.
    */
   function Node(key, value, left, right, color) {
     this._key = key;
@@ -25,10 +60,23 @@
     this._color = color;
   }
 
+  /**
+   * Check or node is red.
+   *
+   * @private
+   * @method
+   * @return {Boolean} Returns true if node is red.
+   */
   Node.prototype.isRed = function () {
     return this._color === Colors.RED;
   };
 
+  /**
+   * Changes node color.
+   *
+   * @private
+   * @method
+   */
   Node.prototype.flipColor = function () {
     if (this._color === Colors.RED) {
       this._color = Colors.BLACK;
@@ -53,23 +101,28 @@
     };
   });
 
-  global.Node = Node;
-
+  exports.Node = Node;
 
   /**
-   * Represents a Red-Black Tree
-   *
+   * Red-Black Tree.
+   * 
+   * @public
    * @constructor
    */
-  function RBTree() {
+  exports.RBTree = function () {
     this._root = null;
-  }
+  };
 
   /**
-   * Adds value associated with given key.
-   * Complexity O(log n)
+   * Add value associated with a given key.<br><br>
+   * Complexity: O(log N).
+   * 
+   * @public
+   * @method
+   * @param {Number} key Key.
+   * @param {Object} value Value.
    */
-  RBTree.prototype.put = function (key, value) {
+  exports.RBTree.prototype.put = function (key, value) {
     this._root = this._put(key, value, this._root);
     this._root.setColor(Colors.BLACK);
   };
@@ -77,8 +130,13 @@
   /**
    * Returns true or false depending on whether
    * given node is red.
+   * 
+   * @private
+   * @method
+   * @param {Node} node Node which sould be checked.
+   * @return Returns true if node is red.
    */
-  RBTree.prototype.isRed = function (node) {
+  exports.RBTree.prototype.isRed = function (node) {
     if (!node) {
       return false;
     }
@@ -86,10 +144,16 @@
   };
 
   /**
-   * Helper function for insertion of given key, value pair
-   * into the red-black tree.
+   * Helper function for insertion of given key,
+   * value pair into the Red-Black tree.
+   * 
+   * @private
+   * @method
+   * @param {Number} key Key.
+   * @param {Object} value Value.
+   * @param {Node} node Node.
    */
-  RBTree.prototype._put = function (key, value, node) {
+  exports.RBTree.prototype._put = function (key, value, node) {
     var newRoot = node;
     if (node === null) {
       return new Node(key, value, null, null, Colors.RED);
@@ -114,19 +178,28 @@
   };
 
   /**
-   * Flip the colors of the both neighbours of given node.
-   * Complexity O(1).
+   * Flip the colors of the both neighbours of given node.<br><br>
+   * Complexity: O(1).
+   *
+   * @private
+   * @method
+   * @param {Node} node Node.
    */
-  RBTree.prototype._flipColors = function (node) {
+  exports.RBTree.prototype._flipColors = function (node) {
     node.getLeft().flipColor();
     node.getRight().flipColor();
   };
 
   /*
-   * Rotates given node to left.
-   * Complexity O(1).
+   * Rotates given node to the left.<br><br>
+   * Complexity: O(1).
+   *
+   * @private
+   * @method
+   * @param {Node} node Node.
+   * @return {Node} Right node.
    */
-  RBTree.prototype._rotateLeft = function (node) {
+  exports.RBTree.prototype._rotateLeft = function (node) {
     var x = node.getRight();
     if (x !== null) {
       var temp = x.getLeft();
@@ -139,10 +212,15 @@
   };
 
   /*
-   * Rotates given node to right.
-   * Complexity O(1).
+   * Rotates given node to the right.<br><br>
+   * Complexity: O(1).
+   *
+   * @private
+   * @method
+   * @param {Node} node Node.
+   * @return {Node} Left node.
    */
-  RBTree.prototype._rotateRight = function (node) {
+  exports.RBTree.prototype._rotateRight = function (node) {
     var x = node.getLeft();
     if (x !== null) {
       var temp = x.getRight();
@@ -155,17 +233,26 @@
   };
 
   /**
-   * Gets value by given key.
-   * Complexity O(log n).
+   * Get value by the given key.<br><br>
+   * Complexity: O(log N).
    *
-   * @param {*} key A key to be searched for
-   * @return {*}    A value which will be returned based on the passed key
+   * @public
+   * @param {Number} key A key to be searched for.
+   * @return {Object} A value which will be returned based on the key.
    */
-  RBTree.prototype.get = function (key) {
+  exports.RBTree.prototype.get = function (key) {
     return this._get(this._root, key);
   };
 
-  RBTree.prototype._get = function (node, key) {
+  /**
+   * Get value by the given key.<br><br>
+   *
+   * @private
+   * @param {Node} node Node to start with.
+   * @param {Number} key A key to be searched for.
+   * @return {Object} A value which will be returned based on the key.
+   */
+  exports.RBTree.prototype._get = function (node, key) {
     if (node === null) {
       return undefined;
     }
@@ -179,7 +266,4 @@
     }
   };
 
-  global.RBTree = RBTree;
-
-}(typeof window === 'undefined' ? module.exports : window));
-
+})(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file

From 75f6d516b69d793fc37550297bcaa4ddcfb1f384 Mon Sep 17 00:00:00 2001
From: Pavlo Voznenko <p.voznenko@traviangames.com>
Date: Sun, 11 Jan 2015 13:56:52 +0100
Subject: [PATCH 047/337] added "Sieve of Eratosthenes" - Simple, ancient
 algorithm for finding all prime numbers up to any given limit

---
 .gitignore                                |  3 +-
 gulpfile.js                               |  2 +-
 src/primes/sieve-of-eratosthenes.js       | 50 +++++++++++++++++++++++
 test/primes/sieve-of-eratosthenes.spec.js | 17 ++++++++
 4 files changed, 70 insertions(+), 2 deletions(-)
 create mode 100644 src/primes/sieve-of-eratosthenes.js
 create mode 100644 test/primes/sieve-of-eratosthenes.spec.js

diff --git a/.gitignore b/.gitignore
index f5e1cf62..7e6c166d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 node_modules
 npm-debug.log
-debug
\ No newline at end of file
+debug
+.idea
\ No newline at end of file
diff --git a/gulpfile.js b/gulpfile.js
index 4d32a7eb..fbac400f 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -6,7 +6,7 @@ var gulp = require('gulp'),
     stylish = require('jshint-stylish');
 
 gulp.task('jsdoc', shell.task([
-  './node_modules/.bin/jsdoc -c ./doc-config.json',
+  './node_modules/.bin/jsdoc -c ./doc-config.json'
 ]));
 
 gulp.task('lint', function () {
diff --git a/src/primes/sieve-of-eratosthenes.js b/src/primes/sieve-of-eratosthenes.js
new file mode 100644
index 00000000..77477bdf
--- /dev/null
+++ b/src/primes/sieve-of-eratosthenes.js
@@ -0,0 +1,50 @@
+/**
+ * Sieve of Eratosthenes
+ *
+ * Simple, ancient algorithm for finding all prime numbers up to any given limit
+ */
+(function (exports) {
+    'use strict';
+
+    /**
+     * Returns Sieve of Eratosthenes for specified number
+     *
+     * Simple, ancient algorithm for finding all prime numbers up to any given
+     * limit
+     *
+     * @param {Number} limit - algorithm will return list with prime numbers up
+     *                         to given limit
+     *
+     * @returns {Array} - will return array with all prime numbers up to
+     *                    provided limit
+     */
+    exports.sieveOfEratosthenes = function (limit) {
+        var sieve = [],
+            primes = [], k, l;
+
+        sieve[1] = false;
+
+        for (k = 2; k <= limit; k += 1) {
+            sieve[k] = true;
+        }
+
+        for (k = 2; k * k <= limit; k += 1) {
+            if (sieve[k] !== true) {
+                continue;
+            }
+
+            for (l = k * k; l <= limit; l += k) {
+                sieve[l] = false;
+            }
+        }
+
+        sieve.forEach(function (value, key) {
+            if (value) {
+                this.push(key);
+            }
+        }, primes);
+
+        return primes;
+    };
+
+}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
diff --git a/test/primes/sieve-of-eratosthenes.spec.js b/test/primes/sieve-of-eratosthenes.spec.js
new file mode 100644
index 00000000..d1dcb1dd
--- /dev/null
+++ b/test/primes/sieve-of-eratosthenes.spec.js
@@ -0,0 +1,17 @@
+'use strict';
+
+var sieveOfEratosthenes =
+    require('../../src/primes/sieve-of-eratosthenes').sieveOfEratosthenes;
+
+describe('Sieve Of Eratosthenes', function () {
+    it('should give the right sequence of primes for limit 12', function () {
+        expect(sieveOfEratosthenes(12).toString())
+            .toBe([2, 3, 5, 7, 11].toString());
+    });
+
+    it('should give the empty list for limit less or equal 1', function () {
+        expect(sieveOfEratosthenes(-12).toString()).toBe([].toString());
+        expect(sieveOfEratosthenes(0).toString()).toBe([].toString());
+        expect(sieveOfEratosthenes(1).toString()).toBe([].toString());
+    });
+});
\ No newline at end of file

From edc663418ad2924110a0bda898018aad7bc2d1c5 Mon Sep 17 00:00:00 2001
From: Pavlo Voznenko <p.voznenko@traviangames.com>
Date: Sun, 11 Jan 2015 14:09:51 +0100
Subject: [PATCH 048/337] added Advanced (optimised) method for checking if
 provided number is prime

---
 src/primes/is-prime.js       | 57 ++++++++++++++++++++++++++++++++++++
 test/primes/is-prime.spec.js | 13 ++++++++
 2 files changed, 70 insertions(+)
 create mode 100644 src/primes/is-prime.js
 create mode 100644 test/primes/is-prime.spec.js

diff --git a/src/primes/is-prime.js b/src/primes/is-prime.js
new file mode 100644
index 00000000..b3692c12
--- /dev/null
+++ b/src/primes/is-prime.js
@@ -0,0 +1,57 @@
+/**
+ * Advanced (optimised) method for checking if provided number is prime
+ */
+(function (exports) {
+    'use strict';
+
+    /**
+     * Method will return true if provided number is prime
+     *
+     *
+     * @param {Number} number - number that we check on prime
+     * @returns {Boolean}
+     */
+    exports.isPrime = function (number) {
+        if (number === 1) {
+            return false;
+
+        } else if (number < 4) {
+            /**
+             * 2 and 3 are prime
+             */
+            return true;
+
+        } else if (number % 2 === 0) {
+            return false;
+
+        } else if (number < 9) {
+            /**
+             * We have already excluded 4,6 and 8
+             */
+            return true;
+
+        } else if (number % 3 === 0) {
+            return false;
+
+        } else {
+            /**
+             * 'number' rounded to the greatest integer 'rounded' so that:
+             * rounded * rounded <= number
+             */
+            var rounded = Math.floor(Math.sqrt(number)),
+                factor = 5;
+            while (factor <= rounded) {
+                if (number % factor === 0) {
+                    return false;
+                }
+                if (number % (factor + 2) === 0) {
+                    return false;
+                }
+                factor += 6;
+            }
+        }
+
+        return true;
+    };
+
+}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
diff --git a/test/primes/is-prime.spec.js b/test/primes/is-prime.spec.js
new file mode 100644
index 00000000..6a57757f
--- /dev/null
+++ b/test/primes/is-prime.spec.js
@@ -0,0 +1,13 @@
+'use strict';
+
+var isPrime = require('../../src/primes/is-prime').isPrime;
+
+describe('Advanced (optimised) method that checks number on prime', function () {
+    it('should give true for number 104743', function () {
+        expect(isPrime(104743)).toBe(true);
+    });
+
+    it('should give false for number 104744', function () {
+        expect(isPrime(104744)).toBe(false);
+    });
+});
\ No newline at end of file

From 2b053e903b05d8f73a4227b26e408b4a1d7d8a50 Mon Sep 17 00:00:00 2001
From: Pavlo Voznenko <p.voznenko@traviangames.com>
Date: Sun, 11 Jan 2015 14:23:50 +0100
Subject: [PATCH 049/337] added method for returning Prime factor tree

---
 src/primes/is-prime.js                    |  2 ++
 src/primes/prime-factor-tree.js           | 32 +++++++++++++++++++++++
 src/primes/sieve-of-eratosthenes.js       |  3 +++
 test/primes/prime-factor-tree.spec.js     | 28 ++++++++++++++++++++
 test/primes/sieve-of-eratosthenes.spec.js |  8 +++---
 5 files changed, 69 insertions(+), 4 deletions(-)
 create mode 100644 src/primes/prime-factor-tree.js
 create mode 100644 test/primes/prime-factor-tree.spec.js

diff --git a/src/primes/is-prime.js b/src/primes/is-prime.js
index b3692c12..a24c2f5d 100644
--- a/src/primes/is-prime.js
+++ b/src/primes/is-prime.js
@@ -1,5 +1,7 @@
 /**
  * Advanced (optimised) method for checking if provided number is prime
+ *
+ * For example for number 104743 it should return true, for 104744 - false
  */
 (function (exports) {
     'use strict';
diff --git a/src/primes/prime-factor-tree.js b/src/primes/prime-factor-tree.js
new file mode 100644
index 00000000..7c5c9154
--- /dev/null
+++ b/src/primes/prime-factor-tree.js
@@ -0,0 +1,32 @@
+/**
+ * Method that will return list of all primes for provided number
+ *
+ * For example for number 18 it should return following list of primes [2, 3, 3]
+ */
+(function (exports) {
+    'use strict';
+
+    /**
+     * Method will list of all primes for provided number
+     *
+     * @param {Number} number
+     * @returns {Array}
+     */
+    exports.primeFactorTree = function (number) {
+        var div = 2,
+            array = [];
+
+        while (number > 1) {
+            if (number % div === 0) {
+                number /= div;
+
+                array.push(div);
+            } else {
+                div += 1;
+            }
+        }
+
+        return array;
+    };
+
+}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
diff --git a/src/primes/sieve-of-eratosthenes.js b/src/primes/sieve-of-eratosthenes.js
index 77477bdf..31564070 100644
--- a/src/primes/sieve-of-eratosthenes.js
+++ b/src/primes/sieve-of-eratosthenes.js
@@ -2,6 +2,9 @@
  * Sieve of Eratosthenes
  *
  * Simple, ancient algorithm for finding all prime numbers up to any given limit
+ *
+ * For example for limit 12 it should return following list of primes:
+ * [2, 3, 5, 7, 11]
  */
 (function (exports) {
     'use strict';
diff --git a/test/primes/prime-factor-tree.spec.js b/test/primes/prime-factor-tree.spec.js
new file mode 100644
index 00000000..4ace0539
--- /dev/null
+++ b/test/primes/prime-factor-tree.spec.js
@@ -0,0 +1,28 @@
+'use strict';
+
+var primeFactorTree = require('../../src/primes/prime-factor-tree').primeFactorTree;
+
+describe('Prime factor tree', function () {
+    it('for number 104743 should return [104743]', function () {
+        expect(primeFactorTree(104743).toString()).toEqual([104743].toString());
+    });
+
+    it('for number 18 should return [2, 3, 3]', function () {
+        expect(primeFactorTree(18).toString()).toEqual([2, 3, 3].toString());
+    });
+
+    it('should give the empty list for number less or equal 1', function () {
+        expect(primeFactorTree(-12).toString()).toEqual([].toString());
+        expect(primeFactorTree(0).toString()).toEqual([].toString());
+        expect(primeFactorTree(1).toString()).toEqual([].toString());
+    });
+
+    it('sum of primes for given number 600851475143 should be 9238', function () {
+        var primes = primeFactorTree(600851475143),
+            sumOfPrimes = primes.reduce(function (previousValue, currentValue) {
+                return previousValue + currentValue;
+            });
+
+        expect(sumOfPrimes).toEqual(9238);
+    });
+});
\ No newline at end of file
diff --git a/test/primes/sieve-of-eratosthenes.spec.js b/test/primes/sieve-of-eratosthenes.spec.js
index d1dcb1dd..d842e500 100644
--- a/test/primes/sieve-of-eratosthenes.spec.js
+++ b/test/primes/sieve-of-eratosthenes.spec.js
@@ -6,12 +6,12 @@ var sieveOfEratosthenes =
 describe('Sieve Of Eratosthenes', function () {
     it('should give the right sequence of primes for limit 12', function () {
         expect(sieveOfEratosthenes(12).toString())
-            .toBe([2, 3, 5, 7, 11].toString());
+            .toEqual([2, 3, 5, 7, 11].toString());
     });
 
     it('should give the empty list for limit less or equal 1', function () {
-        expect(sieveOfEratosthenes(-12).toString()).toBe([].toString());
-        expect(sieveOfEratosthenes(0).toString()).toBe([].toString());
-        expect(sieveOfEratosthenes(1).toString()).toBe([].toString());
+        expect(sieveOfEratosthenes(-12).toString()).toEqual([].toString());
+        expect(sieveOfEratosthenes(0).toString()).toEqual([].toString());
+        expect(sieveOfEratosthenes(1).toString()).toEqual([].toString());
     });
 });
\ No newline at end of file

From 3b9d5edef39faed8c6a5a7a3914d5b92546a4045 Mon Sep 17 00:00:00 2001
From: Pavlo Voznenko <p.voznenko@traviangames.com>
Date: Sun, 11 Jan 2015 15:36:08 +0100
Subject: [PATCH 050/337] some advanced algo tests for isPrime and
 SieveOfEratosthenes

---
 test/primes/is-prime.spec.js              | 15 +++++++++++++++
 test/primes/sieve-of-eratosthenes.spec.js |  9 +++++++++
 2 files changed, 24 insertions(+)

diff --git a/test/primes/is-prime.spec.js b/test/primes/is-prime.spec.js
index 6a57757f..8399ff3a 100644
--- a/test/primes/is-prime.spec.js
+++ b/test/primes/is-prime.spec.js
@@ -10,4 +10,19 @@ describe('Advanced (optimised) method that checks number on prime', function ()
     it('should give false for number 104744', function () {
         expect(isPrime(104744)).toBe(false);
     });
+
+    it('the 10001st prime number should be 104743', function () {
+        var count = 1, //we know that 2 is prime
+            value = 1;
+
+        while (count < 10001) {
+            value += 2;
+
+            if (isPrime(value)) {
+                count += 1;
+            }
+        }
+
+        expect(value).toEqual(104743);
+    });
 });
\ No newline at end of file
diff --git a/test/primes/sieve-of-eratosthenes.spec.js b/test/primes/sieve-of-eratosthenes.spec.js
index d842e500..f87d57ac 100644
--- a/test/primes/sieve-of-eratosthenes.spec.js
+++ b/test/primes/sieve-of-eratosthenes.spec.js
@@ -14,4 +14,13 @@ describe('Sieve Of Eratosthenes', function () {
         expect(sieveOfEratosthenes(0).toString()).toEqual([].toString());
         expect(sieveOfEratosthenes(1).toString()).toEqual([].toString());
     });
+
+    it('sum of prime numbers up to 2000000 limit should be 142913828922', function () {
+        var sieve = sieveOfEratosthenes(2000000),
+            sumOfPrimes = sieve.reduce(function (previousValue, currentValue) {
+                return previousValue + currentValue;
+            });
+
+        expect(sumOfPrimes).toEqual(142913828922);
+    });
 });
\ No newline at end of file

From 8fd4d163c1f44ba8ce7d8e1f78b9db442712eaae Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sun, 11 Jan 2015 17:23:00 +0200
Subject: [PATCH 051/337] Add jscsrc and fix styles

---
 .jscsrc                                       |  27 +++++
 gulpfile.js                                   |   9 +-
 package.json                                  |   1 +
 src/combinatorics/cartesianproduct.js         |   1 -
 src/combinatorics/combinations.js             |   1 -
 src/compression/runlength/runlength.js        |   2 +-
 src/data-structures/binary-search-tree.js     |   2 +-
 src/data-structures/heap.js                   |   2 +-
 src/data-structures/interval-tree.js          |  10 +-
 src/data-structures/linked-list.js            |   2 +-
 src/data-structures/red-black-tree.js         |   2 +-
 src/data-structures/suffix-tree.js            |   3 +-
 src/graphs/searching/bfs.js                   |   2 +-
 src/graphs/searching/dfs.js                   |   2 +-
 src/graphs/shortest-path/bellman-ford.js      |   2 +-
 src/graphs/shortest-path/dijkstra.js          |   2 +-
 src/graphs/spanning-trees/prim.js             |   2 +-
 src/others/levenshtein-distance.js            |   2 +-
 src/primes/is-prime.js                        | 100 +++++++++---------
 src/primes/prime-factor-tree.js               |  43 ++++----
 src/primes/sieve-of-eratosthenes.js           |  89 ++++++++--------
 .../knuth-morris-pratt/knuth-morris-pratt.js  |   2 +-
 src/shuffle/fisheryates.js                    |   1 -
 src/shuffle/richarddurstenfeld.js             |   1 -
 src/sorting/heapsort/heapsort.js              |   2 +-
 .../insertionsort/insertion-binary-sort.js    |   2 +-
 src/sorting/insertionsort/insertionsort.js    |   2 +-
 .../insertionsort/recursive-insertionsort.js  |   2 +-
 src/sorting/least-significant-digit/lsd.js    |   1 -
 src/sorting/linearsort/bucketsort.js          |   2 +-
 src/sorting/linearsort/countingsort.js        |   2 +-
 src/sorting/quicksort/quicksort-middle.js     |   2 +-
 src/sorting/quicksort/quicksort.js            |   2 +-
 src/sorting/selectionsort/selectionsort.js    |   2 +-
 src/sorting/shellsort/shellsort.js            |   3 +-
 test/graphs/searching/bfs.spec.js             |   2 +-
 test/graphs/searching/dfs.spec.js             |   3 +-
 test/primes/is-prime.spec.js                  |  39 +++----
 test/primes/prime-factor-tree.spec.js         |  38 +++----
 test/primes/sieve-of-eratosthenes.spec.js     |  37 +++----
 .../binarysearch/binarysearch.spec.js         |   3 +-
 .../longest-increasing-subsequence.spec.js    |   3 +-
 ...aximum-subarray-divide-and-conquer.spec.js |   2 +-
 test/sorting/bubblesort/bubblesort.spec.js    |   2 +-
 test/sorting/heapsort/heapsort.spec.js        |   2 +-
 .../insertionsort/insertionbinarysort.spec.js |   2 +-
 .../insertionsort/insertionsort.spec.js       |   2 +-
 .../recursiveinsertionsort.spec.js            |   2 +-
 test/sorting/mergesort/mergesort.spec.js      |   2 +-
 .../quicksort/quicksort-middle.spec.js        |   2 +-
 test/sorting/quicksort/quicksort.spec.js      |   2 +-
 .../selectionsort/selectionsort.spec.js       |   2 +-
 test/sorting/shellsort/shellsort.spec.js      |   2 +-
 test/sorting/sort.testcase.js                 |   4 +-
 54 files changed, 256 insertions(+), 227 deletions(-)
 create mode 100644 .jscsrc

diff --git a/.jscsrc b/.jscsrc
new file mode 100644
index 00000000..dfbef8d6
--- /dev/null
+++ b/.jscsrc
@@ -0,0 +1,27 @@
+{
+  "requireCurlyBraces": ["else", "for", "while", "do", "try", "catch"],
+  "requireSpaceAfterKeywords": ["if", "else", "for", "while", "do", "switch", "return", "try", "catch", "function"],
+  "requireSpacesInFunctionExpression": {
+    "beforeOpeningCurlyBrace": true
+  },
+  "requireSpacesInsideObjectBrackets": "allButNested",
+  "disallowSpacesInsideArrayBrackets": true,
+  "disallowSpacesInsideParentheses": true,
+  "disallowSpaceAfterObjectKeys": true,
+  "disallowQuotedKeysInObjects": true,
+  "requireSpaceBeforeBinaryOperators": ["?", "+", "/", "*", "=", "==", "===", "!=", "!==", ">", ">=", "<", "<="],
+  "disallowSpaceAfterBinaryOperators": ["!"],
+  "requireSpaceAfterBinaryOperators": ["?", ",", "+", "/", "*", ":", "=", "==", "===", "!=", "!==", ">", ">=", "<", "<="],
+  "disallowSpaceBeforeBinaryOperators": [","],
+  "disallowSpaceAfterPrefixUnaryOperators": ["++", "--", "+", "-", "~", "!"],
+  "disallowSpaceBeforePostfixUnaryOperators": ["++", "--"],
+  "requireSpaceBeforeBinaryOperators": ["+", "-", "/", "*", "=", "==", "===", "!=", "!=="],
+  "requireSpaceAfterBinaryOperators": ["+", "-", "/", "*", "=", "==", "===", "!=", "!=="],
+  "disallowImplicitTypeConversion": ["numeric", "binary", "string"],
+  "disallowKeywords": ["with", "eval"],
+  "disallowMultipleLineBreaks": true,
+  "disallowKeywordsOnNewLine": ["else"],
+  "requireLineFeedAtFileEnd": true,
+  "excludeFiles": ["node_modules/**", "bower_components/**"],
+  "validateIndentation": 2
+}
\ No newline at end of file
diff --git a/gulpfile.js b/gulpfile.js
index fbac400f..11fb723d 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -3,7 +3,8 @@ var gulp = require('gulp'),
     shell = require('gulp-shell'),
     jshint = require('gulp-jshint'),
     jasmine = require('gulp-jasmine'),
-    stylish = require('jshint-stylish');
+    stylish = require('jshint-stylish'),
+    jscs = require('gulp-jscs');
 
 gulp.task('jsdoc', shell.task([
   './node_modules/.bin/jsdoc -c ./doc-config.json'
@@ -21,4 +22,10 @@ gulp.task('test', function () {
     .pipe(jasmine());
 });
 
+
+gulp.task('jscs', function () {
+  return gulp.src(['src/**/*.js', 'test/**/*.js'])
+    .pipe(jscs());
+});
+
 gulp.task('build', ['lint', 'test']);
diff --git a/package.json b/package.json
index d5c5aa75..2b85713a 100644
--- a/package.json
+++ b/package.json
@@ -9,6 +9,7 @@
   "devDependencies": {
     "gulp": "^3.8.10",
     "gulp-jasmine": "^1.0.1",
+    "gulp-jscs": "^1.4.0",
     "gulp-jshint": "^1.9.0",
     "gulp-shell": "^0.2.11",
     "jsdoc": "3.3.0-alpha13",
diff --git a/src/combinatorics/cartesianproduct.js b/src/combinatorics/cartesianproduct.js
index e2c1a208..74024f41 100644
--- a/src/combinatorics/cartesianproduct.js
+++ b/src/combinatorics/cartesianproduct.js
@@ -24,4 +24,3 @@
   exports.cartesianProduct = cartesianProduct;
 
 }(typeof exports === 'undefined' ? window : exports));
-
diff --git a/src/combinatorics/combinations.js b/src/combinatorics/combinations.js
index 4c7ff38a..fbd5fa3f 100644
--- a/src/combinatorics/combinations.js
+++ b/src/combinatorics/combinations.js
@@ -28,4 +28,3 @@
   exports.combinations = combinations;
 
 }(typeof exports === 'undefined' ? window : exports));
-
diff --git a/src/compression/runlength/runlength.js b/src/compression/runlength/runlength.js
index 889c7f16..fb044687 100644
--- a/src/compression/runlength/runlength.js
+++ b/src/compression/runlength/runlength.js
@@ -70,4 +70,4 @@
 
   exports.runLength = runLengthEncoding;
 
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/data-structures/binary-search-tree.js b/src/data-structures/binary-search-tree.js
index 785a073b..d0285258 100644
--- a/src/data-structures/binary-search-tree.js
+++ b/src/data-structures/binary-search-tree.js
@@ -429,4 +429,4 @@
       this._existsInSubtree(node, root._right);
   };
 
-})(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/src/data-structures/heap.js b/src/data-structures/heap.js
index 963fc4a0..eb15d923 100644
--- a/src/data-structures/heap.js
+++ b/src/data-structures/heap.js
@@ -190,4 +190,4 @@
     return !this._heap.length;
   };
 
-})(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/src/data-structures/interval-tree.js b/src/data-structures/interval-tree.js
index c6b5dd72..b0ca1f00 100644
--- a/src/data-structures/interval-tree.js
+++ b/src/data-structures/interval-tree.js
@@ -32,7 +32,7 @@
    * @param {Node} left Left child node.
    * @param {Node} right Right child node.
    */
-  exports.Node = function(start, end, left, right) {
+  exports.Node = function (start, end, left, right) {
     /**
      * Node interval.
      * @member {Array}
@@ -46,7 +46,7 @@
     /**
      * Parent node.
      * @member {Node}
-     */    
+     */
     this.parentNode = null;
     /**
      * Left child node.
@@ -66,7 +66,7 @@
    * @public
    * @constructor
    */
-  exports.IntervalTree = function() {
+  exports.IntervalTree = function () {
     /**
      * Root node of the tree.
      * @member {Node}
@@ -295,7 +295,7 @@
 
   /**
    * Remove interval from the tree.
-   * 
+   *
    * @public
    * @method
    * @param {Array} intreval Array with start and end of the interval.
@@ -304,4 +304,4 @@
     return this._removeHelper(interval, this.root);
   };
 
-})(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/src/data-structures/linked-list.js b/src/data-structures/linked-list.js
index a9ec74d3..823abc73 100644
--- a/src/data-structures/linked-list.js
+++ b/src/data-structures/linked-list.js
@@ -262,4 +262,4 @@
     this.last = temp;
   };
 
-})(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/src/data-structures/red-black-tree.js b/src/data-structures/red-black-tree.js
index e05a1786..53ba159f 100644
--- a/src/data-structures/red-black-tree.js
+++ b/src/data-structures/red-black-tree.js
@@ -266,4 +266,4 @@
     }
   };
 
-})(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/src/data-structures/suffix-tree.js b/src/data-structures/suffix-tree.js
index 296539e3..d7e6671b 100644
--- a/src/data-structures/suffix-tree.js
+++ b/src/data-structures/suffix-tree.js
@@ -66,7 +66,6 @@
     }
   };
 
-
 //  function isSubstr(tree, str) {
 //    if (!tree) {
 //      return false;
@@ -95,4 +94,4 @@
   exports.Node = Node;
   exports.SuffixTree = SuffixTree;
 
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/graphs/searching/bfs.js b/src/graphs/searching/bfs.js
index 4711f5cd..14c9e532 100644
--- a/src/graphs/searching/bfs.js
+++ b/src/graphs/searching/bfs.js
@@ -61,4 +61,4 @@
 
   exports.bfs = bfs;
 
-}((typeof window === 'undefined') ? module.exports : window));
\ No newline at end of file
+}((typeof window === 'undefined') ? module.exports : window));
diff --git a/src/graphs/searching/dfs.js b/src/graphs/searching/dfs.js
index fdaa2524..d302beec 100644
--- a/src/graphs/searching/dfs.js
+++ b/src/graphs/searching/dfs.js
@@ -53,4 +53,4 @@
 
   exports.dfs = dfs;
 
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/graphs/shortest-path/bellman-ford.js b/src/graphs/shortest-path/bellman-ford.js
index ce836005..2f7ee37b 100644
--- a/src/graphs/shortest-path/bellman-ford.js
+++ b/src/graphs/shortest-path/bellman-ford.js
@@ -88,4 +88,4 @@
     return { parents: parents, distances: distances };
   };
 
-})(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/src/graphs/shortest-path/dijkstra.js b/src/graphs/shortest-path/dijkstra.js
index 03fa397f..95d5ba63 100644
--- a/src/graphs/shortest-path/dijkstra.js
+++ b/src/graphs/shortest-path/dijkstra.js
@@ -118,4 +118,4 @@
 
   exports.dijkstra = dijkstra;
 
-})(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/src/graphs/spanning-trees/prim.js b/src/graphs/spanning-trees/prim.js
index b5100825..1a3f1bb4 100644
--- a/src/graphs/spanning-trees/prim.js
+++ b/src/graphs/spanning-trees/prim.js
@@ -177,4 +177,4 @@
 
   }());
 
-})(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/src/others/levenshtein-distance.js b/src/others/levenshtein-distance.js
index 07edbeef..c667875f 100644
--- a/src/others/levenshtein-distance.js
+++ b/src/others/levenshtein-distance.js
@@ -28,4 +28,4 @@
 
   exports.levenshteinDistance = levenshteinDistance;
 
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/primes/is-prime.js b/src/primes/is-prime.js
index a24c2f5d..f1fd4f14 100644
--- a/src/primes/is-prime.js
+++ b/src/primes/is-prime.js
@@ -4,56 +4,56 @@
  * For example for number 104743 it should return true, for 104744 - false
  */
 (function (exports) {
-    'use strict';
-
-    /**
-     * Method will return true if provided number is prime
-     *
-     *
-     * @param {Number} number - number that we check on prime
-     * @returns {Boolean}
-     */
-    exports.isPrime = function (number) {
-        if (number === 1) {
-            return false;
-
-        } else if (number < 4) {
-            /**
-             * 2 and 3 are prime
-             */
-            return true;
-
-        } else if (number % 2 === 0) {
-            return false;
-
-        } else if (number < 9) {
-            /**
-             * We have already excluded 4,6 and 8
-             */
-            return true;
-
-        } else if (number % 3 === 0) {
-            return false;
-
-        } else {
-            /**
-             * 'number' rounded to the greatest integer 'rounded' so that:
-             * rounded * rounded <= number
-             */
-            var rounded = Math.floor(Math.sqrt(number)),
-                factor = 5;
-            while (factor <= rounded) {
-                if (number % factor === 0) {
-                    return false;
-                }
-                if (number % (factor + 2) === 0) {
-                    return false;
-                }
-                factor += 6;
-            }
+  'use strict';
+
+  /**
+   * Method will return true if provided number is prime
+   *
+   * @module primes
+   * @param {Number} number - number that we check on prime
+   * @returns {Boolean}
+   */
+  exports.isPrime = function (number) {
+    if (number === 1) {
+      return false;
+
+    } else if (number < 4) {
+      /**
+       * 2 and 3 are prime
+       */
+      return true;
+
+    } else if (number % 2 === 0) {
+      return false;
+
+    } else if (number < 9) {
+      /**
+       * We have already excluded 4,6 and 8
+       */
+      return true;
+
+    } else if (number % 3 === 0) {
+      return false;
+
+    } else {
+      /**
+       * 'number' rounded to the greatest integer 'rounded' so that:
+       * rounded * rounded <= number
+       */
+      var rounded = Math.floor(Math.sqrt(number)),
+        factor = 5;
+      while (factor <= rounded) {
+        if (number % factor === 0) {
+          return false;
         }
+        if (number % (factor + 2) === 0) {
+          return false;
+        }
+        factor += 6;
+      }
+    }
 
-        return true;
-    };
+    return true;
+  };
 
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/primes/prime-factor-tree.js b/src/primes/prime-factor-tree.js
index 7c5c9154..e1b444d2 100644
--- a/src/primes/prime-factor-tree.js
+++ b/src/primes/prime-factor-tree.js
@@ -4,29 +4,30 @@
  * For example for number 18 it should return following list of primes [2, 3, 3]
  */
 (function (exports) {
-    'use strict';
+  'use strict';
 
-    /**
-     * Method will list of all primes for provided number
-     *
-     * @param {Number} number
-     * @returns {Array}
-     */
-    exports.primeFactorTree = function (number) {
-        var div = 2,
-            array = [];
+  /**
+   * Method will list of all primes for provided number
+   *
+   * @module primes
+   * @param {Number} number
+   * @returns {Array}
+   */
+  exports.primeFactorTree = function (number) {
+    var div = 2,
+      array = [];
 
-        while (number > 1) {
-            if (number % div === 0) {
-                number /= div;
+    while (number > 1) {
+      if (number % div === 0) {
+        number /= div;
 
-                array.push(div);
-            } else {
-                div += 1;
-            }
-        }
+        array.push(div);
+      } else {
+        div += 1;
+      }
+    }
 
-        return array;
-    };
+    return array;
+  };
 
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/primes/sieve-of-eratosthenes.js b/src/primes/sieve-of-eratosthenes.js
index 31564070..d44a43c3 100644
--- a/src/primes/sieve-of-eratosthenes.js
+++ b/src/primes/sieve-of-eratosthenes.js
@@ -7,47 +7,48 @@
  * [2, 3, 5, 7, 11]
  */
 (function (exports) {
-    'use strict';
-
-    /**
-     * Returns Sieve of Eratosthenes for specified number
-     *
-     * Simple, ancient algorithm for finding all prime numbers up to any given
-     * limit
-     *
-     * @param {Number} limit - algorithm will return list with prime numbers up
-     *                         to given limit
-     *
-     * @returns {Array} - will return array with all prime numbers up to
-     *                    provided limit
-     */
-    exports.sieveOfEratosthenes = function (limit) {
-        var sieve = [],
-            primes = [], k, l;
-
-        sieve[1] = false;
-
-        for (k = 2; k <= limit; k += 1) {
-            sieve[k] = true;
-        }
-
-        for (k = 2; k * k <= limit; k += 1) {
-            if (sieve[k] !== true) {
-                continue;
-            }
-
-            for (l = k * k; l <= limit; l += k) {
-                sieve[l] = false;
-            }
-        }
-
-        sieve.forEach(function (value, key) {
-            if (value) {
-                this.push(key);
-            }
-        }, primes);
-
-        return primes;
-    };
-
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+  'use strict';
+
+  /**
+   * Returns Sieve of Eratosthenes for specified number
+   *
+   * Simple, ancient algorithm for finding all prime numbers up to any given
+   * limit
+   *
+   * @module primes
+   * @param {Number} limit - algorithm will return list with prime numbers up
+   *             to given limit
+   *
+   * @returns {Array} - will return array with all prime numbers up to
+   *          provided limit
+   */
+  exports.sieveOfEratosthenes = function (limit) {
+    var sieve = [],
+      primes = [], k, l;
+
+    sieve[1] = false;
+
+    for (k = 2; k <= limit; k += 1) {
+      sieve[k] = true;
+    }
+
+    for (k = 2; k * k <= limit; k += 1) {
+      if (sieve[k] !== true) {
+        continue;
+      }
+
+      for (l = k * k; l <= limit; l += k) {
+        sieve[l] = false;
+      }
+    }
+
+    sieve.forEach(function (value, key) {
+      if (value) {
+        this.push(key);
+      }
+    }, primes);
+
+    return primes;
+  };
+
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/searching/knuth-morris-pratt/knuth-morris-pratt.js b/src/searching/knuth-morris-pratt/knuth-morris-pratt.js
index 83d02abb..060b356c 100644
--- a/src/searching/knuth-morris-pratt/knuth-morris-pratt.js
+++ b/src/searching/knuth-morris-pratt/knuth-morris-pratt.js
@@ -50,4 +50,4 @@
 
   exports.kmp = kmp;
 
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/shuffle/fisheryates.js b/src/shuffle/fisheryates.js
index 1eaa460b..ee61fe8b 100644
--- a/src/shuffle/fisheryates.js
+++ b/src/shuffle/fisheryates.js
@@ -23,4 +23,3 @@
   exports.shuffle = shuffle;
 
 }(typeof exports === 'undefined' ? window : exports));
-
diff --git a/src/shuffle/richarddurstenfeld.js b/src/shuffle/richarddurstenfeld.js
index 0b91f1a5..93ad93af 100644
--- a/src/shuffle/richarddurstenfeld.js
+++ b/src/shuffle/richarddurstenfeld.js
@@ -28,4 +28,3 @@
   exports.shuffle = shuffle;
 
 }(typeof exports === 'undefined' ? window : exports));
-
diff --git a/src/sorting/heapsort/heapsort.js b/src/sorting/heapsort/heapsort.js
index bbcd8c23..5d0d96c7 100644
--- a/src/sorting/heapsort/heapsort.js
+++ b/src/sorting/heapsort/heapsort.js
@@ -80,4 +80,4 @@
 
   exports.heapSort = heapSort;
 
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/sorting/insertionsort/insertion-binary-sort.js b/src/sorting/insertionsort/insertion-binary-sort.js
index c5ac874a..e3d41925 100644
--- a/src/sorting/insertionsort/insertion-binary-sort.js
+++ b/src/sorting/insertionsort/insertion-binary-sort.js
@@ -44,4 +44,4 @@
 
   exports.insertionBinarySort = insertionBinarySort;
 
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/sorting/insertionsort/insertionsort.js b/src/sorting/insertionsort/insertionsort.js
index ace59119..1a638a3c 100644
--- a/src/sorting/insertionsort/insertionsort.js
+++ b/src/sorting/insertionsort/insertionsort.js
@@ -30,4 +30,4 @@
 
   exports.insertionSort = insertionSort;
 
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/sorting/insertionsort/recursive-insertionsort.js b/src/sorting/insertionsort/recursive-insertionsort.js
index 380dc346..4ec51c9a 100644
--- a/src/sorting/insertionsort/recursive-insertionsort.js
+++ b/src/sorting/insertionsort/recursive-insertionsort.js
@@ -32,4 +32,4 @@
 
   exports.recursiveInsertionSort = recursiveInsertionSort;
 
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/sorting/least-significant-digit/lsd.js b/src/sorting/least-significant-digit/lsd.js
index a1c3169f..ed802e8e 100644
--- a/src/sorting/least-significant-digit/lsd.js
+++ b/src/sorting/least-significant-digit/lsd.js
@@ -41,4 +41,3 @@
   exports.lsd = lsd;
 
 }(typeof exports === 'undefined' ? window : exports));
-
diff --git a/src/sorting/linearsort/bucketsort.js b/src/sorting/linearsort/bucketsort.js
index 9672bfee..ef1feca0 100644
--- a/src/sorting/linearsort/bucketsort.js
+++ b/src/sorting/linearsort/bucketsort.js
@@ -104,4 +104,4 @@
 
   exports.bucketSort = bucketSort;
 
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/sorting/linearsort/countingsort.js b/src/sorting/linearsort/countingsort.js
index 6d828be8..4d90e3c0 100644
--- a/src/sorting/linearsort/countingsort.js
+++ b/src/sorting/linearsort/countingsort.js
@@ -85,4 +85,4 @@
 
   exports.countingSort = countingSort;
 
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/sorting/quicksort/quicksort-middle.js b/src/sorting/quicksort/quicksort-middle.js
index c85cdc8e..7312f7c7 100644
--- a/src/sorting/quicksort/quicksort-middle.js
+++ b/src/sorting/quicksort/quicksort-middle.js
@@ -85,4 +85,4 @@
 
   exports.quickSort = quickSort;
 
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/sorting/quicksort/quicksort.js b/src/sorting/quicksort/quicksort.js
index 0650c786..fd3c56c0 100644
--- a/src/sorting/quicksort/quicksort.js
+++ b/src/sorting/quicksort/quicksort.js
@@ -84,4 +84,4 @@
 
   exports.quickSort = quickSort;
 
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/sorting/selectionsort/selectionsort.js b/src/sorting/selectionsort/selectionsort.js
index 78ea6117..e7d0fbb9 100644
--- a/src/sorting/selectionsort/selectionsort.js
+++ b/src/sorting/selectionsort/selectionsort.js
@@ -33,4 +33,4 @@
 
   exports.selectionSort = selectionSort;
 
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/sorting/shellsort/shellsort.js b/src/sorting/shellsort/shellsort.js
index e78328a8..270d7b10 100644
--- a/src/sorting/shellsort/shellsort.js
+++ b/src/sorting/shellsort/shellsort.js
@@ -1,7 +1,6 @@
 (function (exports) {
   'use strict';
 
-
   function compare(a, b) {
     return a - b;
   }
@@ -45,4 +44,4 @@
 
   exports.shellSort = shellSort;
 
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/test/graphs/searching/bfs.spec.js b/test/graphs/searching/bfs.spec.js
index 4ffa6e1c..3fbf453b 100644
--- a/test/graphs/searching/bfs.spec.js
+++ b/test/graphs/searching/bfs.spec.js
@@ -51,4 +51,4 @@ describe('BFS', function () {
     expect(bfs(graph, 0, 2)).toEqual([0, 2]);
   });
 
-});
\ No newline at end of file
+});
diff --git a/test/graphs/searching/dfs.spec.js b/test/graphs/searching/dfs.spec.js
index ad901350..b5d983d8 100644
--- a/test/graphs/searching/dfs.spec.js
+++ b/test/graphs/searching/dfs.spec.js
@@ -33,5 +33,4 @@ describe('dfs', function () {
       expect(dfs([[0, 0], [1, 0]], 0, 1)).toBeFalsy();
       expect(dfs([[0, 0, 0], [0, 0, 1], [0, 0, 0]], 0, 2)).toBeFalsy();
     });
-
-});
\ No newline at end of file
+});
diff --git a/test/primes/is-prime.spec.js b/test/primes/is-prime.spec.js
index 8399ff3a..703d27b0 100644
--- a/test/primes/is-prime.spec.js
+++ b/test/primes/is-prime.spec.js
@@ -2,27 +2,28 @@
 
 var isPrime = require('../../src/primes/is-prime').isPrime;
 
-describe('Advanced (optimised) method that checks number on prime', function () {
-    it('should give true for number 104743', function () {
-        expect(isPrime(104743)).toBe(true);
-    });
+describe('Advanced (optimised) method that checks number on prime',
+  function () {
+  it('should give true for number 104743', function () {
+    expect(isPrime(104743)).toBe(true);
+  });
 
-    it('should give false for number 104744', function () {
-        expect(isPrime(104744)).toBe(false);
-    });
+  it('should give false for number 104744', function () {
+    expect(isPrime(104744)).toBe(false);
+  });
 
-    it('the 10001st prime number should be 104743', function () {
-        var count = 1, //we know that 2 is prime
-            value = 1;
+  it('the 10001st prime number should be 104743', function () {
+    var count = 1, //we know that 2 is prime
+      value = 1;
 
-        while (count < 10001) {
-            value += 2;
+    while (count < 10001) {
+      value += 2;
 
-            if (isPrime(value)) {
-                count += 1;
-            }
-        }
+      if (isPrime(value)) {
+        count += 1;
+      }
+    }
 
-        expect(value).toEqual(104743);
-    });
-});
\ No newline at end of file
+    expect(value).toEqual(104743);
+  });
+});
diff --git a/test/primes/prime-factor-tree.spec.js b/test/primes/prime-factor-tree.spec.js
index 4ace0539..f8912ccb 100644
--- a/test/primes/prime-factor-tree.spec.js
+++ b/test/primes/prime-factor-tree.spec.js
@@ -3,26 +3,26 @@
 var primeFactorTree = require('../../src/primes/prime-factor-tree').primeFactorTree;
 
 describe('Prime factor tree', function () {
-    it('for number 104743 should return [104743]', function () {
-        expect(primeFactorTree(104743).toString()).toEqual([104743].toString());
-    });
+  it('for number 104743 should return [104743]', function () {
+    expect(primeFactorTree(104743).toString()).toEqual([104743].toString());
+  });
 
-    it('for number 18 should return [2, 3, 3]', function () {
-        expect(primeFactorTree(18).toString()).toEqual([2, 3, 3].toString());
-    });
+  it('for number 18 should return [2, 3, 3]', function () {
+    expect(primeFactorTree(18).toString()).toEqual([2, 3, 3].toString());
+  });
 
-    it('should give the empty list for number less or equal 1', function () {
-        expect(primeFactorTree(-12).toString()).toEqual([].toString());
-        expect(primeFactorTree(0).toString()).toEqual([].toString());
-        expect(primeFactorTree(1).toString()).toEqual([].toString());
-    });
+  it('should give the empty list for number less or equal 1', function () {
+    expect(primeFactorTree(-12).toString()).toEqual([].toString());
+    expect(primeFactorTree(0).toString()).toEqual([].toString());
+    expect(primeFactorTree(1).toString()).toEqual([].toString());
+  });
 
-    it('sum of primes for given number 600851475143 should be 9238', function () {
-        var primes = primeFactorTree(600851475143),
-            sumOfPrimes = primes.reduce(function (previousValue, currentValue) {
-                return previousValue + currentValue;
-            });
+  it('sum of primes for given number 600851475143 should be 9238', function () {
+    var primes = primeFactorTree(600851475143),
+      sumOfPrimes = primes.reduce(function (previousValue, currentValue) {
+        return previousValue + currentValue;
+      });
 
-        expect(sumOfPrimes).toEqual(9238);
-    });
-});
\ No newline at end of file
+    expect(sumOfPrimes).toEqual(9238);
+  });
+});
diff --git a/test/primes/sieve-of-eratosthenes.spec.js b/test/primes/sieve-of-eratosthenes.spec.js
index f87d57ac..f75a47a7 100644
--- a/test/primes/sieve-of-eratosthenes.spec.js
+++ b/test/primes/sieve-of-eratosthenes.spec.js
@@ -1,26 +1,27 @@
 'use strict';
 
 var sieveOfEratosthenes =
-    require('../../src/primes/sieve-of-eratosthenes').sieveOfEratosthenes;
+  require('../../src/primes/sieve-of-eratosthenes').sieveOfEratosthenes;
 
 describe('Sieve Of Eratosthenes', function () {
-    it('should give the right sequence of primes for limit 12', function () {
-        expect(sieveOfEratosthenes(12).toString())
-            .toEqual([2, 3, 5, 7, 11].toString());
-    });
+  it('should give the right sequence of primes for limit 12', function () {
+    expect(sieveOfEratosthenes(12).toString())
+      .toEqual([2, 3, 5, 7, 11].toString());
+  });
 
-    it('should give the empty list for limit less or equal 1', function () {
-        expect(sieveOfEratosthenes(-12).toString()).toEqual([].toString());
-        expect(sieveOfEratosthenes(0).toString()).toEqual([].toString());
-        expect(sieveOfEratosthenes(1).toString()).toEqual([].toString());
-    });
+  it('should give the empty list for limit less or equal 1', function () {
+    expect(sieveOfEratosthenes(-12).toString()).toEqual([].toString());
+    expect(sieveOfEratosthenes(0).toString()).toEqual([].toString());
+    expect(sieveOfEratosthenes(1).toString()).toEqual([].toString());
+  });
 
-    it('sum of prime numbers up to 2000000 limit should be 142913828922', function () {
-        var sieve = sieveOfEratosthenes(2000000),
-            sumOfPrimes = sieve.reduce(function (previousValue, currentValue) {
-                return previousValue + currentValue;
-            });
+  it('sum of prime numbers up to 2000000 limit should be 142913828922',
+  function () {
+    var sieve = sieveOfEratosthenes(2000000),
+      sumOfPrimes = sieve.reduce(function (previousValue, currentValue) {
+        return previousValue + currentValue;
+      });
 
-        expect(sumOfPrimes).toEqual(142913828922);
-    });
-});
\ No newline at end of file
+    expect(sumOfPrimes).toEqual(142913828922);
+  });
+});
diff --git a/test/searching/binarysearch/binarysearch.spec.js b/test/searching/binarysearch/binarysearch.spec.js
index 606c8729..a4fd195e 100644
--- a/test/searching/binarysearch/binarysearch.spec.js
+++ b/test/searching/binarysearch/binarysearch.spec.js
@@ -25,5 +25,4 @@ describe('Binary search', function () {
   it('should work with empty arrays', function () {
     expect(binarySearch([], 4)).toBe(-1);
   });
-
-});
\ No newline at end of file
+});
diff --git a/test/searching/longest-increasing-subsequence/longest-increasing-subsequence.spec.js b/test/searching/longest-increasing-subsequence/longest-increasing-subsequence.spec.js
index 78c48bb9..57d4612b 100644
--- a/test/searching/longest-increasing-subsequence/longest-increasing-subsequence.spec.js
+++ b/test/searching/longest-increasing-subsequence/longest-increasing-subsequence.spec.js
@@ -24,5 +24,4 @@ describe('longest subsequence', function () {
     expect(longestSubsequence(sequence).toString())
       .toBe([2, 3, 6, 9, 11].toString());
   });
-
-});
\ No newline at end of file
+});
diff --git a/test/searching/subarray/maximum-subarray-divide-and-conquer.spec.js b/test/searching/subarray/maximum-subarray-divide-and-conquer.spec.js
index 40deb2e9..d53477a3 100644
--- a/test/searching/subarray/maximum-subarray-divide-and-conquer.spec.js
+++ b/test/searching/subarray/maximum-subarray-divide-and-conquer.spec.js
@@ -34,4 +34,4 @@ describe('Maximum subarray implemented with divide and conquer', function () {
     expect(maxSubArray([-10, -1, -2, -3, -1])).toBe(-1);
   });
 
-});
\ No newline at end of file
+});
diff --git a/test/sorting/bubblesort/bubblesort.spec.js b/test/sorting/bubblesort/bubblesort.spec.js
index 19b25d57..f3636912 100644
--- a/test/sorting/bubblesort/bubblesort.spec.js
+++ b/test/sorting/bubblesort/bubblesort.spec.js
@@ -2,4 +2,4 @@ var sortTestCase = require('../sort.testcase.js'),
     bubbleSort =
       require('../../../src/sorting/bubblesort/bubblesort.js').bubbleSort;
 
-sortTestCase(bubbleSort, 'Bubble sort');
\ No newline at end of file
+sortTestCase(bubbleSort, 'Bubble sort');
diff --git a/test/sorting/heapsort/heapsort.spec.js b/test/sorting/heapsort/heapsort.spec.js
index 25e3173f..9fd6c912 100644
--- a/test/sorting/heapsort/heapsort.spec.js
+++ b/test/sorting/heapsort/heapsort.spec.js
@@ -1,4 +1,4 @@
 var sortTestCase = require('../sort.testcase.js'),
     heapSort = require('../../../src/sorting/heapsort/heapsort.js').heapSort;
 
-sortTestCase(heapSort, 'Heap sort');
\ No newline at end of file
+sortTestCase(heapSort, 'Heap sort');
diff --git a/test/sorting/insertionsort/insertionbinarysort.spec.js b/test/sorting/insertionsort/insertionbinarysort.spec.js
index 7fd6bf0c..9e33a5cc 100644
--- a/test/sorting/insertionsort/insertionbinarysort.spec.js
+++ b/test/sorting/insertionsort/insertionbinarysort.spec.js
@@ -3,4 +3,4 @@ var sortTestCase = require('../sort.testcase.js'),
       require('../../../src/sorting/insertionsort/' +
       'insertion-binary-sort.js').insertionBinarySort;
 
-sortTestCase(insertionBinarySort, 'Insertion binary sort');
\ No newline at end of file
+sortTestCase(insertionBinarySort, 'Insertion binary sort');
diff --git a/test/sorting/insertionsort/insertionsort.spec.js b/test/sorting/insertionsort/insertionsort.spec.js
index 01fb28e0..621f57c3 100644
--- a/test/sorting/insertionsort/insertionsort.spec.js
+++ b/test/sorting/insertionsort/insertionsort.spec.js
@@ -2,4 +2,4 @@ var sortTestCase = require('../sort.testcase.js'),
     insertionSort = require('../../../src/sorting/insertionsort/' +
       'insertionsort.js').insertionSort;
 
-sortTestCase(insertionSort, 'Insertion sort');
\ No newline at end of file
+sortTestCase(insertionSort, 'Insertion sort');
diff --git a/test/sorting/insertionsort/recursiveinsertionsort.spec.js b/test/sorting/insertionsort/recursiveinsertionsort.spec.js
index 8282b81d..3432df0b 100644
--- a/test/sorting/insertionsort/recursiveinsertionsort.spec.js
+++ b/test/sorting/insertionsort/recursiveinsertionsort.spec.js
@@ -2,4 +2,4 @@ var sortTestCase = require('../sort.testcase.js'),
     recursiveInsertionSort = require('../../../src/sorting/' +
       'insertionsort/recursive-insertionsort.js').recursiveInsertionSort;
 
-sortTestCase(recursiveInsertionSort, 'Recursive insertion sort');
\ No newline at end of file
+sortTestCase(recursiveInsertionSort, 'Recursive insertion sort');
diff --git a/test/sorting/mergesort/mergesort.spec.js b/test/sorting/mergesort/mergesort.spec.js
index 975e9711..0adec469 100644
--- a/test/sorting/mergesort/mergesort.spec.js
+++ b/test/sorting/mergesort/mergesort.spec.js
@@ -2,4 +2,4 @@ var sortTestCase = require('../sort.testcase.js'),
     mergeSort =
       require('../../../src/sorting/mergesort/mergesort.js').mergeSort;
 
-sortTestCase(mergeSort, 'Merge sort');
\ No newline at end of file
+sortTestCase(mergeSort, 'Merge sort');
diff --git a/test/sorting/quicksort/quicksort-middle.spec.js b/test/sorting/quicksort/quicksort-middle.spec.js
index e3b44136..9b75819c 100644
--- a/test/sorting/quicksort/quicksort-middle.spec.js
+++ b/test/sorting/quicksort/quicksort-middle.spec.js
@@ -2,4 +2,4 @@ var sortTestCase = require('../sort.testcase.js'),
     quickSort =
       require('../../../src/sorting/quicksort/quicksort-middle.js').quickSort;
 
-sortTestCase(quickSort, 'Quick sort');
\ No newline at end of file
+sortTestCase(quickSort, 'Quick sort');
diff --git a/test/sorting/quicksort/quicksort.spec.js b/test/sorting/quicksort/quicksort.spec.js
index f3f668ee..e754372f 100644
--- a/test/sorting/quicksort/quicksort.spec.js
+++ b/test/sorting/quicksort/quicksort.spec.js
@@ -2,4 +2,4 @@ var sortTestCase = require('../sort.testcase.js'),
     quickSort =
       require('../../../src/sorting/quicksort/quicksort.js').quickSort;
 
-sortTestCase(quickSort, 'Quick sort');
\ No newline at end of file
+sortTestCase(quickSort, 'Quick sort');
diff --git a/test/sorting/selectionsort/selectionsort.spec.js b/test/sorting/selectionsort/selectionsort.spec.js
index ac3b0fae..d4a33237 100644
--- a/test/sorting/selectionsort/selectionsort.spec.js
+++ b/test/sorting/selectionsort/selectionsort.spec.js
@@ -3,4 +3,4 @@ var sortTestCase = require('../sort.testcase.js'),
       require('../../../src/sorting/selectionsort/selectionsort.js')
       .selectionSort;
 
-sortTestCase(selectionSort, 'Selection sort');
\ No newline at end of file
+sortTestCase(selectionSort, 'Selection sort');
diff --git a/test/sorting/shellsort/shellsort.spec.js b/test/sorting/shellsort/shellsort.spec.js
index ec2a8674..fe8eff75 100644
--- a/test/sorting/shellsort/shellsort.spec.js
+++ b/test/sorting/shellsort/shellsort.spec.js
@@ -2,4 +2,4 @@ var sortTestCase = require('../sort.testcase.js'),
     shellSort = require('../../../src/sorting/shellsort/shellsort.js')
       .shellSort;
 
-sortTestCase(shellSort, 'Shell sort');
\ No newline at end of file
+sortTestCase(shellSort, 'Shell sort');
diff --git a/test/sorting/sort.testcase.js b/test/sorting/sort.testcase.js
index 73bad801..0bac7c1a 100644
--- a/test/sorting/sort.testcase.js
+++ b/test/sorting/sort.testcase.js
@@ -3,7 +3,7 @@ module.exports = function (sort, algorithmName, options) {
 
   options = options || {
     integers: false,
-    reverse : true
+    reverse: true
   };
 
   describe(algorithmName, function () {
@@ -62,4 +62,4 @@ module.exports = function (sort, algorithmName, options) {
     }
 
   });
-};
\ No newline at end of file
+};

From 31cf88aad3b022b75911219084d4bfaf7269d965 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sun, 11 Jan 2015 17:56:53 +0200
Subject: [PATCH 052/337] add cartesianproduct jsdoc

---
 doc-config.json                       |  3 ++-
 src/combinatorics/cartesianproduct.js | 25 ++++++++++++++++++++++++-
 2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/doc-config.json b/doc-config.json
index 55965c84..63776c85 100644
--- a/doc-config.json
+++ b/doc-config.json
@@ -8,7 +8,8 @@
             "./src/graphs/others/",
             "./src/graphs/shortest-path/",
             "./src/graphs/spanning-trees/",
-            "./src/data-structures/"
+            "./src/data-structures/",
+            "./src/combinatorics/"
         ],
         "includePattern": ".+\\.js(doc)?$",
         "excludePattern": "docs"
diff --git a/src/combinatorics/cartesianproduct.js b/src/combinatorics/cartesianproduct.js
index 74024f41..b6618933 100644
--- a/src/combinatorics/cartesianproduct.js
+++ b/src/combinatorics/cartesianproduct.js
@@ -14,6 +14,29 @@
       }
     }
 
+    /**
+     * Calculates Cartesian product of provided sets.
+     *
+     * @module combinatorics/cartesianproduct
+     * @public
+     * @param {Array} sets Array of sets.
+     * @return {Array} Cartesian product of provided sets.
+     *
+     * @example
+     * var product = require('../src/combinatorics/cartesianproduct')
+     * .cartesianProduct;
+     * var result = product([[1, 2, 3], [3, 2, 1]]);
+     * // [ [ 1, 3 ],
+     * //   [ 1, 2 ],
+     * //   [ 1, 1 ],
+     * //   [ 2, 3 ],
+     * //   [ 2, 2 ],
+     * //   [ 2, 1 ],
+     * //   [ 3, 3 ],
+     * //   [ 3, 2 ],
+     * //   [ 3, 1 ] ]
+     * console.log(result);
+     */
     return function (sets) {
       result = [];
       cartesianProduct(sets, 0, []);
@@ -23,4 +46,4 @@
 
   exports.cartesianProduct = cartesianProduct;
 
-}(typeof exports === 'undefined' ? window : exports));
+}((typeof window === 'undefined') ? module.exports : window));

From e86b9c9d723f0bc3f296a45f0c050bb116920053 Mon Sep 17 00:00:00 2001
From: Pavlo Voznenko <p.voznenko@traviangames.com>
Date: Sun, 11 Jan 2015 17:32:51 +0100
Subject: [PATCH 053/337] upated jsdoc for primes

---
 doc-config.json                     |  3 ++-
 src/primes/is-prime.js              | 20 ++++++++++---------
 src/primes/prime-factor-tree.js     | 22 +++++++++++---------
 src/primes/sieve-of-eratosthenes.js | 31 +++++++++++++++--------------
 4 files changed, 42 insertions(+), 34 deletions(-)

diff --git a/doc-config.json b/doc-config.json
index 55965c84..e3c9d146 100644
--- a/doc-config.json
+++ b/doc-config.json
@@ -8,7 +8,8 @@
             "./src/graphs/others/",
             "./src/graphs/shortest-path/",
             "./src/graphs/spanning-trees/",
-            "./src/data-structures/"
+            "./src/data-structures/",
+            "./src/primes/"
         ],
         "includePattern": ".+\\.js(doc)?$",
         "excludePattern": "docs"
diff --git a/src/primes/is-prime.js b/src/primes/is-prime.js
index f1fd4f14..778c953b 100644
--- a/src/primes/is-prime.js
+++ b/src/primes/is-prime.js
@@ -1,17 +1,19 @@
-/**
- * Advanced (optimised) method for checking if provided number is prime
- *
- * For example for number 104743 it should return true, for 104744 - false
- */
 (function (exports) {
   'use strict';
 
   /**
-   * Method will return true if provided number is prime
+   * Advanced (optimised) method for checking if provided number is prime.
+   * For example for number 104743 it should return true, for 104744 - false.
    *
-   * @module primes
-   * @param {Number} number - number that we check on prime
-   * @returns {Boolean}
+   * @module primes/is-prime
+   * @param {Number} number - Number that we check on prime
+   * @returns {Boolean} Will return true if provided number is prime
+   *
+   * @example
+   * var isPrime = require('path/to/primes/is-prime').isPrime;
+   *
+   * console.log(isPrime(7)); // true
+   * console.log(isPrime(18)); // false
    */
   exports.isPrime = function (number) {
     if (number === 1) {
diff --git a/src/primes/prime-factor-tree.js b/src/primes/prime-factor-tree.js
index e1b444d2..6f1a8669 100644
--- a/src/primes/prime-factor-tree.js
+++ b/src/primes/prime-factor-tree.js
@@ -1,17 +1,21 @@
-/**
- * Method that will return list of all primes for provided number
- *
- * For example for number 18 it should return following list of primes [2, 3, 3]
- */
 (function (exports) {
   'use strict';
 
   /**
-   * Method will list of all primes for provided number
+   * Method will return list of all primes for provided number.
+   * For example for number 18 it should return following list of primes
+   * [2, 3, 3].
    *
-   * @module primes
-   * @param {Number} number
-   * @returns {Array}
+   * @module primes/prime-factor-tree
+   * @param {Number} number - Number for which method will find all primes
+   * @returns {Array} List of available primes for provided number
+   *
+   * @example
+   * var primeFactorTree = require('path/to/primes/prime-factor-tree')
+   * .primeFactorTree;
+   *
+   * console.log(primeFactorTree(18)); // [2, 3, 3]
+   * console.log(primeFactorTree(600851475143)); // [71, 839, 1471, 6857]
    */
   exports.primeFactorTree = function (number) {
     var div = 2,
diff --git a/src/primes/sieve-of-eratosthenes.js b/src/primes/sieve-of-eratosthenes.js
index d44a43c3..f2e9930f 100644
--- a/src/primes/sieve-of-eratosthenes.js
+++ b/src/primes/sieve-of-eratosthenes.js
@@ -1,26 +1,27 @@
-/**
- * Sieve of Eratosthenes
- *
- * Simple, ancient algorithm for finding all prime numbers up to any given limit
- *
- * For example for limit 12 it should return following list of primes:
- * [2, 3, 5, 7, 11]
- */
 (function (exports) {
   'use strict';
 
   /**
-   * Returns Sieve of Eratosthenes for specified number
+   * Sieve of Eratosthenes.
    *
-   * Simple, ancient algorithm for finding all prime numbers up to any given
+   * Simple, ancient algorithm for finding all prime numbers up to given limit.
+   *
+   * Returns list of primes up to specified limit.
+   *
+   * For example, for limit 10 it should return following list of primes:
+   * [2, 3, 5, 7]
+   *
+   * @module primes/sieve-of-eratosthenes
+   * @param {Number} limit - Algorithm will returns list of primes up to
+   * specified limit
+   * @returns {Array} Will return list with all prime numbers up to provided
    * limit
    *
-   * @module primes
-   * @param {Number} limit - algorithm will return list with prime numbers up
-   *             to given limit
+   * @example
+   * var sieveOfEratosthenes = require('path/to/primes/sieve-of-eratosthenes')
+   * .sieveOfEratosthenes;
    *
-   * @returns {Array} - will return array with all prime numbers up to
-   *          provided limit
+   * console.log(sieveOfEratosthenes(12)); // [2, 3, 5, 7, 11]
    */
   exports.sieveOfEratosthenes = function (limit) {
     var sieve = [],

From 1c8e97547f2b65a7d8a42e3eb7cfdf228f49e465 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sun, 11 Jan 2015 18:33:01 +0200
Subject: [PATCH 054/337] combinations jsdoc

---
 src/combinatorics/cartesianproduct.js |  4 ++--
 src/combinatorics/combinations.js     | 25 ++++++++++++++++++++++++-
 2 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/src/combinatorics/cartesianproduct.js b/src/combinatorics/cartesianproduct.js
index b6618933..a1940f32 100644
--- a/src/combinatorics/cartesianproduct.js
+++ b/src/combinatorics/cartesianproduct.js
@@ -23,8 +23,8 @@
      * @return {Array} Cartesian product of provided sets.
      *
      * @example
-     * var product = require('../src/combinatorics/cartesianproduct')
-     * .cartesianProduct;
+     * var product = require('path-to-algorithms/src/combinatorics/' +
+     * 'cartesianproduct').cartesianProduct;
      * var result = product([[1, 2, 3], [3, 2, 1]]);
      * // [ [ 1, 3 ],
      * //   [ 1, 2 ],
diff --git a/src/combinatorics/combinations.js b/src/combinatorics/combinations.js
index fbd5fa3f..fe7a91f1 100644
--- a/src/combinatorics/combinations.js
+++ b/src/combinatorics/combinations.js
@@ -15,6 +15,29 @@
       }
     }
 
+    /**
+     * A combination is a way of selecting members from a grouping,
+     * such that (unlike permutations) the order of selection does not matter.
+     * For example given three fruits, say an apple, an orange and a pear,
+     * there are three combinations of two that can be drawn from this set:
+     * an apple and a pear; an apple and an orange; or a pear and an orange.
+     * 
+     * @example
+     * 
+     * var combinations = require('path-to-algorithms/src/' +
+     * 'combinatorics/combinations').combinations;
+     * var result = combinations(['apple', 'orange', 'pear'], 2);
+     * // [['apple', 'orange'],
+     * //  ['apple', 'pear'],
+     * //  ['orange', 'pear']]
+     * console.log(result);
+     * 
+     * @module combinatorics/combinations
+     * @public
+     * @param arr {Array} Set of items.
+     * @param k {Number} Size of each combination.
+     * @return {Array} Returns all combinations.
+     */
     return function (arr, k) {
       res = [];
       combinations(arr, k, 0, 0, []);
@@ -27,4 +50,4 @@
 
   exports.combinations = combinations;
 
-}(typeof exports === 'undefined' ? window : exports));
+}((typeof window === 'undefined') ? module.exports : window));

From 2f20f81e40daeed297fe06c2ce7ec09b19fbae92 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sun, 11 Jan 2015 18:57:09 +0200
Subject: [PATCH 055/337] Update code style

---
 .jscsrc                                        |  1 +
 gulpfile.js                                    |  2 +-
 src/compression/runlength/runlength.js         | 16 ++++++++--------
 src/data-structures/binary-search-tree.js      | 18 +++++++++---------
 src/data-structures/heap.js                    | 14 +++++++-------
 src/data-structures/interval-tree.js           | 16 ++++++++++------
 src/data-structures/linked-list.js             | 15 ++++++++-------
 src/data-structures/suffix-tree.js             |  6 +++---
 src/graphics/bresenham-line-drawing.js         | 12 ++++++------
 src/graphs/others/topological-sort.js          |  6 +++---
 src/graphs/searching/dfs.js                    |  6 +++---
 src/graphs/shortest-path/bellman-ford.js       |  4 +++-
 src/graphs/shortest-path/dijkstra.js           | 10 +++++-----
 src/graphs/spanning-trees/prim.js              | 16 ++++++++--------
 src/primes/is-prime.js                         |  4 ++--
 src/primes/prime-factor-tree.js                |  4 ++--
 src/primes/sieve-of-eratosthenes.js            |  6 ++++--
 src/searching/binarysearch/binarysearch.js     |  6 +++---
 .../knuth-morris-pratt/knuth-morris-pratt.js   | 12 ++++++++----
 .../longest-increasing-subsequence.js          | 15 +++++++++------
 .../maximum-subarray-divide-and-conquer.js     | 16 ++++++++--------
 src/searching/subarray/maximum-subarray.js     |  4 ++--
 src/sets/quickfind.js                          |  6 +++---
 src/sets/quickunion.js                         |  4 ++--
 src/shuffle/fisheryates.js                     |  5 +++--
 src/shuffle/richarddurstenfeld.js              |  5 +++--
 .../3-way-string-quicksort/quicksort.js        | 10 +++++-----
 src/sorting/heapsort/heapsort.js               | 10 +++++-----
 .../insertionsort/insertion-binary-sort.js     |  8 ++++----
 src/sorting/insertionsort/insertionsort.js     |  4 ++--
 src/sorting/least-significant-digit/lsd.js     |  3 ++-
 src/sorting/linearsort/bucketsort.js           | 13 +++++++------
 src/sorting/linearsort/countingsort.js         | 16 ++++++++--------
 src/sorting/mergesort/mergesort.js             | 14 +++++++-------
 src/sorting/most-significant-digit/msd.js      |  7 ++++---
 src/sorting/quicksort/quicksort-middle.js      |  4 ++--
 src/sorting/quicksort/quicksort.js             |  6 +++---
 src/sorting/selectionsort/selectionsort.js     |  4 +++-
 src/sorting/shellsort/shellsort.js             |  3 ++-
 test/data-structures/red-black-tree.spec.js    |  8 ++++----
 test/primes/is-prime.spec.js                   |  4 ++--
 test/primes/prime-factor-tree.spec.js          |  4 ++--
 test/primes/sieve-of-eratosthenes.spec.js      |  4 ++--
 test/sorting/bubblesort/bubblesort.spec.js     |  4 ++--
 test/sorting/heapsort/heapsort.spec.js         |  4 ++--
 .../insertionsort/insertionbinarysort.spec.js  |  4 ++--
 .../insertionsort/insertionsort.spec.js        |  4 ++--
 .../recursiveinsertionsort.spec.js             |  4 ++--
 test/sorting/mergesort/mergesort.spec.js       |  4 ++--
 .../sorting/quicksort/quicksort-middle.spec.js |  4 ++--
 test/sorting/quicksort/quicksort.spec.js       |  4 ++--
 .../selectionsort/selectionsort.spec.js        |  4 ++--
 test/sorting/shellsort/shellsort.spec.js       |  4 ++--
 test/sorting/sort.testcase.js                  |  8 ++++----
 54 files changed, 212 insertions(+), 187 deletions(-)

diff --git a/.jscsrc b/.jscsrc
index dfbef8d6..a600cc1e 100644
--- a/.jscsrc
+++ b/.jscsrc
@@ -4,6 +4,7 @@
   "requireSpacesInFunctionExpression": {
     "beforeOpeningCurlyBrace": true
   },
+  "disallowMultipleVarDecl": true,
   "requireSpacesInsideObjectBrackets": "allButNested",
   "disallowSpacesInsideArrayBrackets": true,
   "disallowSpacesInsideParentheses": true,
diff --git a/gulpfile.js b/gulpfile.js
index 11fb723d..e84fdf36 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -28,4 +28,4 @@ gulp.task('jscs', function () {
     .pipe(jscs());
 });
 
-gulp.task('build', ['lint', 'test']);
+gulp.task('build', ['lint', 'jscs', 'test']);
diff --git a/src/compression/runlength/runlength.js b/src/compression/runlength/runlength.js
index fb044687..cea0fc56 100644
--- a/src/compression/runlength/runlength.js
+++ b/src/compression/runlength/runlength.js
@@ -14,9 +14,9 @@
      * This takes O(n).
      */
     function convertToAscii(str) {
-      var result = '',
-          currentChar = '',
-          i = 0;
+      var result = '';
+      var currentChar = '';
+      var i = 0;
       for (; i < str.length; i += 1) {
         currentChar = str[i].charCodeAt(0).toString(2);
         if (currentChar.length < 8) {
@@ -34,11 +34,11 @@
      * Takes O(n^2).
      */
     function runLength(vector) {
-      var result = '',
-          zeros = 0,
-          zerosTemp = '',
-          wordLength = 0,
-          i = 0;
+      var result = '';
+      var zeros = 0;
+      var zerosTemp = '';
+      var wordLength = 0;
+      var i = 0;
       for (; i < vector.length; i += 1) {
         if (vector[i] === '0') {
           zeros += 1;
diff --git a/src/data-structures/binary-search-tree.js b/src/data-structures/binary-search-tree.js
index d0285258..2b2d651c 100644
--- a/src/data-structures/binary-search-tree.js
+++ b/src/data-structures/binary-search-tree.js
@@ -254,8 +254,8 @@
     }
 
     if (node._left && node._right) {
-      var min = this._findMin(node._right),
-        temp = node.value;
+      var min = this._findMin(node._right);
+      var temp = node.value;
 
       node.value = min.value;
       min.value = temp;
@@ -362,9 +362,9 @@
       if (!root) {
         return 0;
       }
-      var leftHeight = this._getHeight(root._left),
-          rightHeight = this._getHeight(root._right),
-          path = leftHeight + rightHeight + 1;
+      var leftHeight = this._getHeight(root._left);
+      var rightHeight = this._getHeight(root._right);
+      var path = leftHeight + rightHeight + 1;
       return Math.max(path, getDiameter(root._left), getDiameter(root._right));
     }.bind(this);
     return getDiameter(this._root);
@@ -401,10 +401,10 @@
 
   exports.BinaryTree.prototype._lowestCommonAncestor =
    function (firstNode, secondNode, current) {
-    var firstNodeInLeft = this._existsInSubtree(firstNode, current._left),
-        secondNodeInLeft = this._existsInSubtree(secondNode, current._left),
-        firstNodeInRight = this._existsInSubtree(firstNode, current._right),
-        secondNodeInRight = this._existsInSubtree(secondNode, current._right);
+    var firstNodeInLeft = this._existsInSubtree(firstNode, current._left);
+    var secondNodeInLeft = this._existsInSubtree(secondNode, current._left);
+    var firstNodeInRight = this._existsInSubtree(firstNode, current._right);
+    var secondNodeInRight = this._existsInSubtree(secondNode, current._right);
     if ((firstNodeInLeft && secondNodeInRight) ||
         (firstNodeInRight && secondNodeInLeft)) {
       return current;
diff --git a/src/data-structures/heap.js b/src/data-structures/heap.js
index eb15d923..044844e7 100644
--- a/src/data-structures/heap.js
+++ b/src/data-structures/heap.js
@@ -71,10 +71,10 @@
    * @param {Number} index The parent.
    */
   exports.Heap.prototype._heapify = function (index) {
-    var extr = index,
-        left = 2 * index + 1,
-        right = 2 * index + 2,
-        temp;
+    var extr = index;
+    var left = 2 * index + 1;
+    var right = 2 * index + 2;
+    var temp;
 
     if (left < this._heap.length &&
         this._cmp(this._heap[left], this._heap[index]) > 0) {
@@ -105,9 +105,9 @@
    */
   exports.Heap.prototype.changeKey = function (index, value) {
     this._heap[index] = value;
-    var elem = this._heap[index],
-        parent = Math.floor(index / 2),
-        temp;
+    var elem = this._heap[index];
+    var parent = Math.floor(index / 2);
+    var temp;
     if (elem !== undefined) {
       while (parent >= 0 && this._cmp(elem, this._heap[parent]) > 0) {
         temp = this._heap[parent];
diff --git a/src/data-structures/interval-tree.js b/src/data-structures/interval-tree.js
index b0ca1f00..cf5fbe62 100644
--- a/src/data-structures/interval-tree.js
+++ b/src/data-structures/interval-tree.js
@@ -125,7 +125,8 @@
     if (node.interval[0] <= point && node.interval[1] >= point) {
       return true;
     }
-    var result = false, temp;
+    var result = false;
+    var temp;
     ['left', 'right'].forEach(function (key) {
       temp = node[key];
       if (temp) {
@@ -157,7 +158,8 @@
     if (intersects(node.interval, interval)) {
       return true;
     }
-    var result = false, temp;
+    var result = false;
+    var temp;
     ['left', 'right'].forEach(function (side) {
       temp = node[side];
       if (temp && temp.max >= interval[0]) {
@@ -212,8 +214,10 @@
    * @return {Node} Node with the largest endpoint.
    */
   exports.IntervalTree.prototype.findMax = function (node) {
-    var stack = [node],
-        current, max = -Infinity, maxNode;
+    var stack = [node];
+    var current;
+    var max = -Infinity;
+    var maxNode;
     while (stack.length) {
       current = stack.pop();
       if (current.left) {
@@ -275,8 +279,8 @@
       // Adjust the max value
       var p = node.parentNode;
       if (p) {
-        var maxNode = this.findMax(p),
-            max = maxNode.interval[1];
+        var maxNode = this.findMax(p);
+        var max = maxNode.interval[1];
         while (maxNode) {
           if (maxNode.max === node.interval[1]) {
             maxNode.max = max;
diff --git a/src/data-structures/linked-list.js b/src/data-structures/linked-list.js
index 823abc73..9f997893 100644
--- a/src/data-structures/linked-list.js
+++ b/src/data-structures/linked-list.js
@@ -138,8 +138,9 @@
     if (this.first === null) {
       return false;
     }
-    var temp = this.first,
-        next, prev;
+    var temp = this.first;
+    var next;
+    var prev;
     while (temp) {
       if (temp.data === data) {
         next = temp.next;
@@ -171,8 +172,8 @@
    * @return {Boolean} Returns true if linked list contains cycle.
    */
   exports.LinkedList.prototype.hasCycle = function () {
-    var fast = this.first,
-        slow = this.first;
+    var fast = this.first;
+    var slow = this.first;
     while (true) {
       if (fast === null) {
         return false;
@@ -245,9 +246,9 @@
     if (!this.first || !this.first.next) {
       return;
     }
-    var current = this.first.next,
-        prev = this.first,
-        temp;
+    var current = this.first.next;
+    var prev = this.first;
+    var temp;
     while (current) {
       temp = current.next;
       current.next = prev;
diff --git a/src/data-structures/suffix-tree.js b/src/data-structures/suffix-tree.js
index d7e6671b..7fe73109 100644
--- a/src/data-structures/suffix-tree.js
+++ b/src/data-structures/suffix-tree.js
@@ -41,9 +41,9 @@
       // Find the maximum prefix and split the current node if prefix exists
       var prefix = maxPrefix(current.value, suffix);
       if (prefix.length) {
-        var temp = current.value,
-            suffixSuffix = suffix.substr(prefix.length, suffix.length),
-            currentSuffix = temp.substr(prefix.length, temp.length);
+        var temp = current.value;
+        var suffixSuffix = suffix.substr(prefix.length, suffix.length);
+        var currentSuffix = temp.substr(prefix.length, temp.length);
         current.value = prefix;
         addNode(currentSuffix, current);
         addNode(suffixSuffix, current);
diff --git a/src/graphics/bresenham-line-drawing.js b/src/graphics/bresenham-line-drawing.js
index cc0f3112..d8f79c7e 100644
--- a/src/graphics/bresenham-line-drawing.js
+++ b/src/graphics/bresenham-line-drawing.js
@@ -11,12 +11,12 @@
    */
   function drawLine(x1, y1, x2, y2, draw) {
     drawPoint = draw || drawPoint;
-    var dx = Math.abs(x2 - x1),
-        dy = Math.abs(y2 - y1),
-        cx = (x1 < x2) ? 1 : -1,
-        cy = (y1 < y2) ? 1 : -1,
-        error = dx - dy,
-        doubledError;
+    var dx = Math.abs(x2 - x1);
+    var dy = Math.abs(y2 - y1);
+    var cx = (x1 < x2) ? 1 : -1;
+    var cy = (y1 < y2) ? 1 : -1;
+    var error = dx - dy;
+    var doubledError;
 
     while (x1 !== x2 || y1 !== y2) {
       drawPoint(x1, y1);
diff --git a/src/graphs/others/topological-sort.js b/src/graphs/others/topological-sort.js
index 53fe7023..b793d5a5 100644
--- a/src/graphs/others/topological-sort.js
+++ b/src/graphs/others/topological-sort.js
@@ -43,9 +43,9 @@
      * var vertices = topsort(graph); // ['v3', 'v4', 'v1', 'v5', 'v2']
      */
     return function (graph) {
-      var result = [],
-          visited = [],
-          temp = [];
+      var result = [];
+      var visited = [];
+      var temp = [];
       for (var node in graph) {
         if (!visited[node] && !temp[node]) {
           topologicalSortHelper(node, visited, temp, graph, result);
diff --git a/src/graphs/searching/dfs.js b/src/graphs/searching/dfs.js
index d302beec..82f0caf3 100644
--- a/src/graphs/searching/dfs.js
+++ b/src/graphs/searching/dfs.js
@@ -4,9 +4,9 @@
   var dfs = (function () {
 
     function hasPath(graph, current, goal) {
-      var stack = [],
-          visited = [],
-          node;
+      var stack = [];
+      var visited = [];
+      var node;
       stack.push(current);
       visited[current] = true;
       while (stack.length) {
diff --git a/src/graphs/shortest-path/bellman-ford.js b/src/graphs/shortest-path/bellman-ford.js
index 2f7ee37b..c21af6d3 100644
--- a/src/graphs/shortest-path/bellman-ford.js
+++ b/src/graphs/shortest-path/bellman-ford.js
@@ -62,7 +62,9 @@
    *   with shortest-path information.
    */
   exports.bellmanFord = function (vertexes, edges, source) {
-    var distances = {}, parents = {}, c;
+    var distances = {};
+    var parents = {};
+    var c;
     for (var i = 0; i < vertexes.length; i += 1) {
       distances[vertexes[i]] = Infinity;
       parents[vertexes[i]] = null;
diff --git a/src/graphs/shortest-path/dijkstra.js b/src/graphs/shortest-path/dijkstra.js
index 95d5ba63..3591a3bb 100644
--- a/src/graphs/shortest-path/dijkstra.js
+++ b/src/graphs/shortest-path/dijkstra.js
@@ -3,11 +3,11 @@
 
   var dijkstra = (function () {
 
-    var Heap = require('../../data-structures/heap.js').Heap,
-        current,
-        visited,
-        distance,
-        unvisited;
+    var Heap = require('../../data-structures/heap.js').Heap;
+    var current;
+    var visited;
+    var distance;
+    var unvisited;
 
     /**
      * Creates a new node instance.
diff --git a/src/graphs/spanning-trees/prim.js b/src/graphs/spanning-trees/prim.js
index 1a3f1bb4..7da93c28 100644
--- a/src/graphs/spanning-trees/prim.js
+++ b/src/graphs/spanning-trees/prim.js
@@ -120,12 +120,12 @@
 
     return function () {
       init.call(this);
-      var inTheTree = {},
-          startVertex = this.edges[0].e.id,
-          spannigTree = [],
-          parents = {},
-          distances = {},
-          current;
+      var inTheTree = {};
+      var tartVertex = this.edges[0].e.id;
+      var pannigTree = [];
+      var arents = {};
+      var istances = {};
+      var urrent;
       inTheTree[startVertex] = true;
       queue.add({
         node: startVertex,
@@ -138,8 +138,8 @@
           if (inTheTree[e.v.id] && inTheTree[e.e.id]) {
             return;
           }
-          var collection = queue.getCollection(),
-              node;
+          var collection = queue.getCollection();
+          var node;
           if (e.e.id === current) {
             node = e.v.id;
           } else if (e.v.id === current) {
diff --git a/src/primes/is-prime.js b/src/primes/is-prime.js
index f1fd4f14..c888202e 100644
--- a/src/primes/is-prime.js
+++ b/src/primes/is-prime.js
@@ -40,8 +40,8 @@
        * 'number' rounded to the greatest integer 'rounded' so that:
        * rounded * rounded <= number
        */
-      var rounded = Math.floor(Math.sqrt(number)),
-        factor = 5;
+      var rounded = Math.floor(Math.sqrt(number));
+      var factor = 5;
       while (factor <= rounded) {
         if (number % factor === 0) {
           return false;
diff --git a/src/primes/prime-factor-tree.js b/src/primes/prime-factor-tree.js
index e1b444d2..2f11d96b 100644
--- a/src/primes/prime-factor-tree.js
+++ b/src/primes/prime-factor-tree.js
@@ -14,8 +14,8 @@
    * @returns {Array}
    */
   exports.primeFactorTree = function (number) {
-    var div = 2,
-      array = [];
+    var div = 2;
+    var array = [];
 
     while (number > 1) {
       if (number % div === 0) {
diff --git a/src/primes/sieve-of-eratosthenes.js b/src/primes/sieve-of-eratosthenes.js
index d44a43c3..b2ab83db 100644
--- a/src/primes/sieve-of-eratosthenes.js
+++ b/src/primes/sieve-of-eratosthenes.js
@@ -23,8 +23,10 @@
    *          provided limit
    */
   exports.sieveOfEratosthenes = function (limit) {
-    var sieve = [],
-      primes = [], k, l;
+    var sieve = [];
+    var primes = [];
+    var k;
+    var l;
 
     sieve[1] = false;
 
diff --git a/src/searching/binarysearch/binarysearch.js b/src/searching/binarysearch/binarysearch.js
index 59989c76..a95ffc08 100644
--- a/src/searching/binarysearch/binarysearch.js
+++ b/src/searching/binarysearch/binarysearch.js
@@ -12,9 +12,9 @@
    * @returns {number} index The index of the element or -1 if not found
    */
   function binarySearch(array, key) {
-    var middle = Math.floor(array.length / 2),
-        left = 0,
-        right = array.length;
+    var middle = Math.floor(array.length / 2);
+    var left = 0;
+    var right = array.length;
     while (right >= left) {
       if (array[middle] === key) {
         return middle;
diff --git a/src/searching/knuth-morris-pratt/knuth-morris-pratt.js b/src/searching/knuth-morris-pratt/knuth-morris-pratt.js
index 060b356c..8c0c7200 100644
--- a/src/searching/knuth-morris-pratt/knuth-morris-pratt.js
+++ b/src/searching/knuth-morris-pratt/knuth-morris-pratt.js
@@ -3,8 +3,11 @@
 
   var kmp = (function () {
     function builtKMPTable(str) {
-      var res = [],
-          len, front, end, found;
+      var res = [];
+      var len;
+      var front;
+      var end;
+      var found;
       for (var i = 1; i <= str.length; i += 1) {
         front = Math.max(1, i - ((res[i - 2] || 0) + 1));
         end = Math.min(i - 1, (res[i - 2] || 0) + 1);
@@ -25,8 +28,9 @@
     }
 
     function indexOf(str, substr) {
-      var table = builtKMPTable(substr),
-          i = 0, j = 0;
+      var table = builtKMPTable(substr);
+      var i = 0;
+      var j = 0;
       while (i < str.length) {
         if (str[i] === substr[j]) {
           i += 1;
diff --git a/src/searching/longest-increasing-subsequence/longest-increasing-subsequence.js b/src/searching/longest-increasing-subsequence/longest-increasing-subsequence.js
index 43df4d2e..f7fd2441 100644
--- a/src/searching/longest-increasing-subsequence/longest-increasing-subsequence.js
+++ b/src/searching/longest-increasing-subsequence/longest-increasing-subsequence.js
@@ -80,9 +80,12 @@
       if (find.memo[node]) {
         return find.memo[node];
       }
-      var neighbours = dag[node],
-          neighboursDistance = [],
-          maxDist, maxNode, distance, result;
+      var neighbours = dag[node];
+      var neighboursDistance = [];
+      var maxDist;
+      var maxNode;
+      var distance;
+      var result;
 
       if (!neighbours.length) {
         return { distance: 1, neighbour: undefined, node: node };
@@ -104,9 +107,9 @@
     }
 
     return function (array) {
-      var results = [],
-          dag = buildDag(array),
-          maxPath;
+      var results = [];
+      var dag = buildDag(array);
+      var maxPath;
       find.memo = [];
       for (var i = 0; i < array.length; i += 1) {
         results.push(find(dag, i));
diff --git a/src/searching/subarray/maximum-subarray-divide-and-conquer.js b/src/searching/subarray/maximum-subarray-divide-and-conquer.js
index a5b16b41..bde7143d 100644
--- a/src/searching/subarray/maximum-subarray-divide-and-conquer.js
+++ b/src/searching/subarray/maximum-subarray-divide-and-conquer.js
@@ -17,10 +17,10 @@
    * @return {number} the maximum sum including the middle element
    */
   function crossSubarray(array, left, middle, right) {
-    var leftSum = -Infinity,
-        rightSum = -Infinity,
-        sum = 0,
-        i;
+    var leftSum = -Infinity;
+    var rightSum = -Infinity;
+    var sum = 0;
+    var i;
 
     for (i = middle; i >= left; i -= 1) {
       if (sum + array[i] >= leftSum) {
@@ -51,10 +51,10 @@
     if (right - left <= 1) {
       return array[left];
     }
-    var middle = Math.floor((left + right) / 2),
-        leftSum = maxSubarrayPartitioner(array, left, middle),
-        rightSum = maxSubarrayPartitioner(array, middle, right),
-        crossSum = crossSubarray(array, left, middle, right);
+    var middle = Math.floor((left + right) / 2);
+    var leftSum = maxSubarrayPartitioner(array, left, middle);
+    var rightSum = maxSubarrayPartitioner(array, middle, right);
+    var crossSum = crossSubarray(array, left, middle, right);
 
     return Math.max(crossSum, leftSum, rightSum);
   }
diff --git a/src/searching/subarray/maximum-subarray.js b/src/searching/subarray/maximum-subarray.js
index 60dec6f8..11fd8f2f 100644
--- a/src/searching/subarray/maximum-subarray.js
+++ b/src/searching/subarray/maximum-subarray.js
@@ -13,8 +13,8 @@
    *   the elements of subarray of the input
    */
   function maxSubarray(array) {
-    var currentMax = 0,
-      max = 0;
+    var currentMax = 0;
+    var max = 0;
 
     for (var i = 0; i < array.length; i += 1) {
       currentMax = Math.max(0, currentMax + array[i]);
diff --git a/src/sets/quickfind.js b/src/sets/quickfind.js
index fc164f05..67785715 100644
--- a/src/sets/quickfind.js
+++ b/src/sets/quickfind.js
@@ -23,9 +23,9 @@
    * @param {number} q The second node
    */
   QuickFind.prototype.union = function (p, q) {
-    var size = this._ids.length,
-        pval = this._ids[p],
-        qval = this._ids[q];
+    var size = this._ids.length;
+    var pval = this._ids[p];
+    var qval = this._ids[q];
     for (var i = 0; i < size; i += 1) {
       if (this._ids[i] === qval) {
         this._ids[i] = pval;
diff --git a/src/sets/quickunion.js b/src/sets/quickunion.js
index a2606044..5413c6d2 100644
--- a/src/sets/quickunion.js
+++ b/src/sets/quickunion.js
@@ -38,8 +38,8 @@
    * @param {number} q The second node
    */
   QuickUnion.prototype.union = function (p, q) {
-    var pRoot = this._root(p),
-        qRoot = this._root(q);
+    var pRoot = this._root(p);
+    var qRoot = this._root(q);
     this._ids[pRoot] = qRoot;
   };
 
diff --git a/src/shuffle/fisheryates.js b/src/shuffle/fisheryates.js
index ee61fe8b..08319d67 100644
--- a/src/shuffle/fisheryates.js
+++ b/src/shuffle/fisheryates.js
@@ -9,8 +9,9 @@
    * @return {array} The shuffled array.
    */
   function shuffle(array) {
-    var size = array.length,
-      rand, temp;
+    var size = array.length;
+    var rand;
+    var temp;
     for (var i = 1; i < size; i += 1) {
       rand = Math.round(Math.random() * i);
       temp = array[rand];
diff --git a/src/shuffle/richarddurstenfeld.js b/src/shuffle/richarddurstenfeld.js
index 93ad93af..301f45ef 100644
--- a/src/shuffle/richarddurstenfeld.js
+++ b/src/shuffle/richarddurstenfeld.js
@@ -14,8 +14,9 @@
    * @returns {array} Shuffled array
    */
   function shuffle(array) {
-    var arraySize = array.length - 1,
-        rand, temp;
+    var arraySize = array.length - 1;
+    var rand;
+    var temp;
     for (var i = arraySize; i >= 0; i -= 1) {
       rand = Math.round(Math.random() * arraySize);
       temp = array[i];
diff --git a/src/sorting/3-way-string-quicksort/quicksort.js b/src/sorting/3-way-string-quicksort/quicksort.js
index bf6b6a79..b59ef57e 100644
--- a/src/sorting/3-way-string-quicksort/quicksort.js
+++ b/src/sorting/3-way-string-quicksort/quicksort.js
@@ -21,11 +21,11 @@
       if (lo >= hi) {
         return;
       }
-      var lowPointer = lo,
-          highPointer = hi,
-          p = charAt(arr[lo], d),
-          i = lo + 1,
-          current;
+      var lowPointer = lo;
+      var highPointer = hi;
+      var p = charAt(arr[lo], d);
+      var i = lo + 1;
+      var current;
 
       while (i <= highPointer) {
         current = charAt(arr[i], d);
diff --git a/src/sorting/heapsort/heapsort.js b/src/sorting/heapsort/heapsort.js
index 5d0d96c7..1aa1e16d 100644
--- a/src/sorting/heapsort/heapsort.js
+++ b/src/sorting/heapsort/heapsort.js
@@ -21,9 +21,9 @@
      *                       the max heap should be found.
      */
     function heapify(array, index, heapSize, cmp) {
-      var left = 2 * index + 1,
-          right = 2 * index + 2,
-          largest = index;
+      var left = 2 * index + 1;
+      var right = 2 * index + 2;
+      var largest = index;
 
       if (left < heapSize && cmp(array[left], array[index]) > 0) {
         largest = left;
@@ -64,8 +64,8 @@
      */
     return function (array, cmp) {
       cmp = cmp || comparator;
-      var size = array.length,
-          temp;
+      var size = array.length;
+      var temp;
       buildMaxHeap(array, cmp);
       for (var i = array.length - 1; i > 0; i -= 1) {
         temp = array[0];
diff --git a/src/sorting/insertionsort/insertion-binary-sort.js b/src/sorting/insertionsort/insertion-binary-sort.js
index e3d41925..f76c850a 100644
--- a/src/sorting/insertionsort/insertion-binary-sort.js
+++ b/src/sorting/insertionsort/insertion-binary-sort.js
@@ -17,10 +17,10 @@
    */
   function insertionBinarySort(array, cmp) {
     cmp = cmp || comparator;
-    var current,
-        middle,
-        left,
-        right;
+    var current;
+    var middle;
+    var left;
+    var right;
     for (var i = 1; i < array.length; i += 1) {
       current = array[i];
       left = 0;
diff --git a/src/sorting/insertionsort/insertionsort.js b/src/sorting/insertionsort/insertionsort.js
index 1a638a3c..3e1ba70f 100644
--- a/src/sorting/insertionsort/insertionsort.js
+++ b/src/sorting/insertionsort/insertionsort.js
@@ -14,8 +14,8 @@
    */
   function insertionSort(array, cmp) {
     cmp = cmp || compare;
-    var current,
-        j;
+    var current;
+    var j;
     for (var i = 1; i < array.length; i += 1) {
       current = array[i];
       j = i - 1;
diff --git a/src/sorting/least-significant-digit/lsd.js b/src/sorting/least-significant-digit/lsd.js
index ed802e8e..996ed736 100644
--- a/src/sorting/least-significant-digit/lsd.js
+++ b/src/sorting/least-significant-digit/lsd.js
@@ -11,7 +11,8 @@
    * @returns {Array} Sorted array
    */
   function lsd(arr, letterIdx) {
-    var temp, count;
+    var temp;
+    var count;
     letterIdx = letterIdx || 1;
     for (var i = letterIdx - 1; i >= 0; i -= 1) {
       count = [];
diff --git a/src/sorting/linearsort/bucketsort.js b/src/sorting/linearsort/bucketsort.js
index ef1feca0..9c69e74b 100644
--- a/src/sorting/linearsort/bucketsort.js
+++ b/src/sorting/linearsort/bucketsort.js
@@ -17,8 +17,8 @@
      * @returns {array} array Sorted input array
      */
     function insertionSort(array) {
-      var current,
-          j;
+      var current;
+      var j;
       for (var i = 1; i < array.length; i += 1) {
         current = array[i];
         j = i - 1;
@@ -41,8 +41,9 @@
      *                          from the input which are with suitable size.
      */
     function createBuckets(array) {
-      var buckets = [],
-          currentBucket, current;
+      var buckets = [];
+      var currentBucket;
+      var current;
       for (var i = 0; i < array.length; i += 1) {
         current = array[i];
         currentBucket = Math.floor(current);
@@ -77,8 +78,8 @@
      *                         all elements form each bucket
      */
     function unionBuckets(buckets) {
-      var result = [],
-          currentBucket;
+      var result = [];
+      var currentBucket;
       for (var i = 0; i < buckets.length; i += 1) {
         currentBucket = buckets[i];
         if (currentBucket !== undefined) {
diff --git a/src/sorting/linearsort/countingsort.js b/src/sorting/linearsort/countingsort.js
index 4d90e3c0..809c305f 100644
--- a/src/sorting/linearsort/countingsort.js
+++ b/src/sorting/linearsort/countingsort.js
@@ -17,8 +17,8 @@
      * @returns {array} count The count of each element from the input array
      */
     function getCount(array) {
-      var count = [],
-          current;
+      var count = [];
+      var current;
       for (var i = 0; i < array.length; i += 1) {
         current = array[i];
         count[current] = (count[current] || 0) + 1;
@@ -35,8 +35,8 @@
      *                       are less than each element from the input
      */
     function getLessCount(array) {
-      var less = [],
-          last;
+      var less = [];
+      var last;
       less[0] = array[0] || 0;
       for (var i = 1; i < array.length; i += 1) {
         last = array[i - 1] || 0;
@@ -54,10 +54,10 @@
      * @returns {array} result The sorted input
      */
     function sort(array, less) {
-      var result = [],
-          currentPositions = [],
-          current,
-          position;
+      var result = [];
+      var currentPositions = [];
+      var current;
+      var position;
       for (var i = 0; i < array.length; i += 1) {
         current = array[i];
         position = less[current];
diff --git a/src/sorting/mergesort/mergesort.js b/src/sorting/mergesort/mergesort.js
index ef6effc3..7e2d18e8 100644
--- a/src/sorting/mergesort/mergesort.js
+++ b/src/sorting/mergesort/mergesort.js
@@ -40,13 +40,13 @@
      * @returns {array} The array with sorted subarray
      */
     function merge(array, start, middle, end, cmp) {
-      var left = [],
-          right = [],
-          leftSize = middle - start,
-          rightSize = end - middle,
-          maxSize = Math.max(leftSize, rightSize),
-          size = end - start,
-          i;
+      var left = [];
+      var right = [];
+      var leftSize = middle - start;
+      var rightSize = end - middle;
+      var maxSize = Math.max(leftSize, rightSize);
+      var size = end - start;
+      var i;
 
       for (i = 0; i < maxSize; i += 1) {
         if (i < leftSize) {
diff --git a/src/sorting/most-significant-digit/msd.js b/src/sorting/most-significant-digit/msd.js
index 74f01d25..46dfcecd 100644
--- a/src/sorting/most-significant-digit/msd.js
+++ b/src/sorting/most-significant-digit/msd.js
@@ -6,9 +6,10 @@
   }
 
   function sort(arr, lo, hi, d) {
-    var temp = [],
-        count = [],
-        j, idx;
+    var temp = [];
+    var count = [];
+    var j;
+    var idx;
     // Use Insertion sort when the
     // array is smaller than given threshold
     for (j = lo; j <= hi; j += 1) {
diff --git a/src/sorting/quicksort/quicksort-middle.js b/src/sorting/quicksort/quicksort-middle.js
index 7312f7c7..9a24daa5 100644
--- a/src/sorting/quicksort/quicksort-middle.js
+++ b/src/sorting/quicksort/quicksort-middle.js
@@ -32,8 +32,8 @@
      * @return {number}
      */
     function partition(array, left, right, cmp) {
-      var pivot = array[Math.floor((left + right) / 2)],
-          temp;
+      var pivot = array[Math.floor((left + right) / 2)];
+      var temp;
       while (left <= right) {
         while (cmp(array[left], pivot) < 0) {
           left += 1;
diff --git a/src/sorting/quicksort/quicksort.js b/src/sorting/quicksort/quicksort.js
index fd3c56c0..73bd41b8 100644
--- a/src/sorting/quicksort/quicksort.js
+++ b/src/sorting/quicksort/quicksort.js
@@ -22,9 +22,9 @@
      * @param {number} right The end of the subarray
      */
     function partition(array, left, right, compare) {
-      var cmp = array[right - 1],
-          minEnd = left,
-          maxEnd;
+      var cmp = array[right - 1];
+      var minEnd = left;
+      var maxEnd;
       for (maxEnd = left; maxEnd < right - 1; maxEnd += 1) {
         if (compare(array[maxEnd], cmp) < 0) {
           swap(array, maxEnd, minEnd);
diff --git a/src/sorting/selectionsort/selectionsort.js b/src/sorting/selectionsort/selectionsort.js
index e7d0fbb9..2cd83521 100644
--- a/src/sorting/selectionsort/selectionsort.js
+++ b/src/sorting/selectionsort/selectionsort.js
@@ -14,7 +14,9 @@
    */
   var selectionSort = function (array, cmp) {
     cmp = cmp || compare;
-    var min, idx, temp;
+    var min;
+    var idx;
+    var temp;
     for (var i = 0; i < array.length; i += 1) {
       idx = i;
       min = array[i];
diff --git a/src/sorting/shellsort/shellsort.js b/src/sorting/shellsort/shellsort.js
index 270d7b10..6a5c82ff 100644
--- a/src/sorting/shellsort/shellsort.js
+++ b/src/sorting/shellsort/shellsort.js
@@ -25,7 +25,8 @@
     return function (array, cmp) {
       cmp = cmp || compare;
 
-      var gap, current;
+      var gap;
+      var current;
       for (var k = 0; k < gaps.length; k += 1) {
         gap = gaps[k];
         for (var i = gap; i < array.length; i += gap) {
diff --git a/test/data-structures/red-black-tree.spec.js b/test/data-structures/red-black-tree.spec.js
index 77635ff2..ca2ab9bd 100644
--- a/test/data-structures/red-black-tree.spec.js
+++ b/test/data-structures/red-black-tree.spec.js
@@ -1,9 +1,9 @@
 'use strict';
 
-var mod = require('../../src/data-structures/red-black-tree.js'),
-    Vertex = mod.Node,
-    RBTree = mod.RBTree,
-    Colors = mod.Colors;
+var mod = require('../../src/data-structures/red-black-tree.js');
+var Vertex = mod.Node;
+var RBTree = mod.RBTree;
+var Colors = mod.Colors;
 
 describe('Node', function () {
 
diff --git a/test/primes/is-prime.spec.js b/test/primes/is-prime.spec.js
index 703d27b0..02a78b2d 100644
--- a/test/primes/is-prime.spec.js
+++ b/test/primes/is-prime.spec.js
@@ -13,8 +13,8 @@ describe('Advanced (optimised) method that checks number on prime',
   });
 
   it('the 10001st prime number should be 104743', function () {
-    var count = 1, //we know that 2 is prime
-      value = 1;
+    var count = 1; //we know that 2 is prime
+    var value = 1;
 
     while (count < 10001) {
       value += 2;
diff --git a/test/primes/prime-factor-tree.spec.js b/test/primes/prime-factor-tree.spec.js
index f8912ccb..3daddef5 100644
--- a/test/primes/prime-factor-tree.spec.js
+++ b/test/primes/prime-factor-tree.spec.js
@@ -18,8 +18,8 @@ describe('Prime factor tree', function () {
   });
 
   it('sum of primes for given number 600851475143 should be 9238', function () {
-    var primes = primeFactorTree(600851475143),
-      sumOfPrimes = primes.reduce(function (previousValue, currentValue) {
+    var primes = primeFactorTree(600851475143);
+    var sumOfPrimes = primes.reduce(function (previousValue, currentValue) {
         return previousValue + currentValue;
       });
 
diff --git a/test/primes/sieve-of-eratosthenes.spec.js b/test/primes/sieve-of-eratosthenes.spec.js
index f75a47a7..96792263 100644
--- a/test/primes/sieve-of-eratosthenes.spec.js
+++ b/test/primes/sieve-of-eratosthenes.spec.js
@@ -17,8 +17,8 @@ describe('Sieve Of Eratosthenes', function () {
 
   it('sum of prime numbers up to 2000000 limit should be 142913828922',
   function () {
-    var sieve = sieveOfEratosthenes(2000000),
-      sumOfPrimes = sieve.reduce(function (previousValue, currentValue) {
+    var sieve = sieveOfEratosthenes(2000000);
+    var sumOfPrimes = sieve.reduce(function (previousValue, currentValue) {
         return previousValue + currentValue;
       });
 
diff --git a/test/sorting/bubblesort/bubblesort.spec.js b/test/sorting/bubblesort/bubblesort.spec.js
index f3636912..281d5ac6 100644
--- a/test/sorting/bubblesort/bubblesort.spec.js
+++ b/test/sorting/bubblesort/bubblesort.spec.js
@@ -1,5 +1,5 @@
-var sortTestCase = require('../sort.testcase.js'),
-    bubbleSort =
+var sortTestCase = require('../sort.testcase.js');
+var bubbleSort =
       require('../../../src/sorting/bubblesort/bubblesort.js').bubbleSort;
 
 sortTestCase(bubbleSort, 'Bubble sort');
diff --git a/test/sorting/heapsort/heapsort.spec.js b/test/sorting/heapsort/heapsort.spec.js
index 9fd6c912..eb9441b3 100644
--- a/test/sorting/heapsort/heapsort.spec.js
+++ b/test/sorting/heapsort/heapsort.spec.js
@@ -1,4 +1,4 @@
-var sortTestCase = require('../sort.testcase.js'),
-    heapSort = require('../../../src/sorting/heapsort/heapsort.js').heapSort;
+var sortTestCase = require('../sort.testcase.js');
+var heapSort = require('../../../src/sorting/heapsort/heapsort.js').heapSort;
 
 sortTestCase(heapSort, 'Heap sort');
diff --git a/test/sorting/insertionsort/insertionbinarysort.spec.js b/test/sorting/insertionsort/insertionbinarysort.spec.js
index 9e33a5cc..43bed4d8 100644
--- a/test/sorting/insertionsort/insertionbinarysort.spec.js
+++ b/test/sorting/insertionsort/insertionbinarysort.spec.js
@@ -1,5 +1,5 @@
-var sortTestCase = require('../sort.testcase.js'),
-    insertionBinarySort =
+var sortTestCase = require('../sort.testcase.js');
+var insertionBinarySort =
       require('../../../src/sorting/insertionsort/' +
       'insertion-binary-sort.js').insertionBinarySort;
 
diff --git a/test/sorting/insertionsort/insertionsort.spec.js b/test/sorting/insertionsort/insertionsort.spec.js
index 621f57c3..d1bb8e3d 100644
--- a/test/sorting/insertionsort/insertionsort.spec.js
+++ b/test/sorting/insertionsort/insertionsort.spec.js
@@ -1,5 +1,5 @@
-var sortTestCase = require('../sort.testcase.js'),
-    insertionSort = require('../../../src/sorting/insertionsort/' +
+var sortTestCase = require('../sort.testcase.js');
+var insertionSort = require('../../../src/sorting/insertionsort/' +
       'insertionsort.js').insertionSort;
 
 sortTestCase(insertionSort, 'Insertion sort');
diff --git a/test/sorting/insertionsort/recursiveinsertionsort.spec.js b/test/sorting/insertionsort/recursiveinsertionsort.spec.js
index 3432df0b..ab883083 100644
--- a/test/sorting/insertionsort/recursiveinsertionsort.spec.js
+++ b/test/sorting/insertionsort/recursiveinsertionsort.spec.js
@@ -1,5 +1,5 @@
-var sortTestCase = require('../sort.testcase.js'),
-    recursiveInsertionSort = require('../../../src/sorting/' +
+var sortTestCase = require('../sort.testcase.js');
+var recursiveInsertionSort = require('../../../src/sorting/' +
       'insertionsort/recursive-insertionsort.js').recursiveInsertionSort;
 
 sortTestCase(recursiveInsertionSort, 'Recursive insertion sort');
diff --git a/test/sorting/mergesort/mergesort.spec.js b/test/sorting/mergesort/mergesort.spec.js
index 0adec469..e8bfa78e 100644
--- a/test/sorting/mergesort/mergesort.spec.js
+++ b/test/sorting/mergesort/mergesort.spec.js
@@ -1,5 +1,5 @@
-var sortTestCase = require('../sort.testcase.js'),
-    mergeSort =
+var sortTestCase = require('../sort.testcase.js');
+var mergeSort =
       require('../../../src/sorting/mergesort/mergesort.js').mergeSort;
 
 sortTestCase(mergeSort, 'Merge sort');
diff --git a/test/sorting/quicksort/quicksort-middle.spec.js b/test/sorting/quicksort/quicksort-middle.spec.js
index 9b75819c..4ba1efdb 100644
--- a/test/sorting/quicksort/quicksort-middle.spec.js
+++ b/test/sorting/quicksort/quicksort-middle.spec.js
@@ -1,5 +1,5 @@
-var sortTestCase = require('../sort.testcase.js'),
-    quickSort =
+var sortTestCase = require('../sort.testcase.js');
+var quickSort =
       require('../../../src/sorting/quicksort/quicksort-middle.js').quickSort;
 
 sortTestCase(quickSort, 'Quick sort');
diff --git a/test/sorting/quicksort/quicksort.spec.js b/test/sorting/quicksort/quicksort.spec.js
index e754372f..2a0be8bf 100644
--- a/test/sorting/quicksort/quicksort.spec.js
+++ b/test/sorting/quicksort/quicksort.spec.js
@@ -1,5 +1,5 @@
-var sortTestCase = require('../sort.testcase.js'),
-    quickSort =
+var sortTestCase = require('../sort.testcase.js');
+var quickSort =
       require('../../../src/sorting/quicksort/quicksort.js').quickSort;
 
 sortTestCase(quickSort, 'Quick sort');
diff --git a/test/sorting/selectionsort/selectionsort.spec.js b/test/sorting/selectionsort/selectionsort.spec.js
index d4a33237..0655a1bc 100644
--- a/test/sorting/selectionsort/selectionsort.spec.js
+++ b/test/sorting/selectionsort/selectionsort.spec.js
@@ -1,5 +1,5 @@
-var sortTestCase = require('../sort.testcase.js'),
-    selectionSort =
+var sortTestCase = require('../sort.testcase.js');
+var selectionSort =
       require('../../../src/sorting/selectionsort/selectionsort.js')
       .selectionSort;
 
diff --git a/test/sorting/shellsort/shellsort.spec.js b/test/sorting/shellsort/shellsort.spec.js
index fe8eff75..34f56c06 100644
--- a/test/sorting/shellsort/shellsort.spec.js
+++ b/test/sorting/shellsort/shellsort.spec.js
@@ -1,5 +1,5 @@
-var sortTestCase = require('../sort.testcase.js'),
-    shellSort = require('../../../src/sorting/shellsort/shellsort.js')
+var sortTestCase = require('../sort.testcase.js');
+var shellSort = require('../../../src/sorting/shellsort/shellsort.js')
       .shellSort;
 
 sortTestCase(shellSort, 'Shell sort');
diff --git a/test/sorting/sort.testcase.js b/test/sorting/sort.testcase.js
index 0bac7c1a..65390edb 100644
--- a/test/sorting/sort.testcase.js
+++ b/test/sorting/sort.testcase.js
@@ -10,11 +10,11 @@ module.exports = function (sort, algorithmName, options) {
 
     function createRandomArray(config) {
       config = config || {};
-      var size = config.size || 100,
-          precision = config.precision || 2,
-          multiplier = config.multiplier || 100;
-
+      var size = config.size || 100;
+      var precision = config.precision || 2;
+      var multiplier = config.multiplier || 100;
       var result = [];
+
       for (var i = size; i > 0; i -= 1) {
         result.push(parseFloat((Math.random() *
             multiplier).toFixed(precision)));

From 67a9fd91d615ac209a26b06765c772b0fa9c614e Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sun, 11 Jan 2015 19:03:13 +0200
Subject: [PATCH 056/337] Update prim and bfs

---
 src/graphs/searching/bfs.js       |  8 ++++----
 src/graphs/spanning-trees/prim.js | 12 ++++++------
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/src/graphs/searching/bfs.js b/src/graphs/searching/bfs.js
index 14c9e532..9b3e1cad 100644
--- a/src/graphs/searching/bfs.js
+++ b/src/graphs/searching/bfs.js
@@ -35,10 +35,10 @@
      * var shortestPath = bfs(graph, 1, 5); // [1, 2, 3, 5]
      */
     return function (graph, startNode, targetNode) {
-      var parents = [],
-          queue = [],
-          visited = [],
-          current;
+      var parents = [];
+      var queue = [];
+      var visited = [];
+      var current;
       queue.push(startNode);
       parents[startNode] = null;
       visited[startNode] = true;
diff --git a/src/graphs/spanning-trees/prim.js b/src/graphs/spanning-trees/prim.js
index 7da93c28..be7023df 100644
--- a/src/graphs/spanning-trees/prim.js
+++ b/src/graphs/spanning-trees/prim.js
@@ -26,7 +26,7 @@
  * edges.push(new Edge(new Vertex(8), new Vertex(7), 7));
  * graph = new Graph(edges, edges.length);
  *
- * // { edges: 
+ * // { edges:
  * //    [ { e: '1', v: 0, distance: 4 },
  * //      { e: '2', v: 8, distance: 2 },
  * //      { e: '3', v: 2, distance: 7 },
@@ -121,11 +121,11 @@
     return function () {
       init.call(this);
       var inTheTree = {};
-      var tartVertex = this.edges[0].e.id;
-      var pannigTree = [];
-      var arents = {};
-      var istances = {};
-      var urrent;
+      var startVertex = this.edges[0].e.id;
+      var spannigTree = [];
+      var parents = {};
+      var distances = {};
+      var current;
       inTheTree[startVertex] = true;
       queue.add({
         node: startVertex,

From a2ef74e92a14313127846c1761995a8e9bcba2e6 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sun, 11 Jan 2015 19:05:23 +0200
Subject: [PATCH 057/337] Update contributors list

---
 readme.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/readme.md b/readme.md
index 3988f65c..eda76983 100644
--- a/readme.md
+++ b/readme.md
@@ -77,7 +77,7 @@ If the build is not successful fix your code in order the tests and jshint valid
 
 ## Contributors
 
-[![mgechev](https://avatars.githubusercontent.com/u/455023?v=3&s=117)](https://github.com/mgechev)[![AndreyGeonya](https://avatars.githubusercontent.com/u/773648?v=3&s=117)](https://github.com/AndreyGeonya)[![Microfed](https://avatars.githubusercontent.com/u/613179?v=3&s=117)](https://github.com/Microfed)[![contra](https://avatars.githubusercontent.com/u/425716?v=3&s=117)](https://github.com/contra)
+[![mgechev](https://avatars.githubusercontent.com/u/455023?v=3&s=117)](https://github.com/mgechev)[![AndreyGeonya](https://avatars.githubusercontent.com/u/773648?v=3&s=117)](https://github.com/AndreyGeonya)[![pvoznenko](https://avatars.githubusercontent.com/u/1098414?v=3&s=117)](https://github.com/pvoznenko)[![Microfed](https://avatars.githubusercontent.com/u/613179?v=3&s=117)](https://github.com/Microfed)[![contra](https://avatars.githubusercontent.com/u/425716?v=3&s=117)](https://github.com/contra)
 
 ## License
 

From 401936a8b6f12a48c0a1d7a28e5c93bc8876b236 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sun, 11 Jan 2015 19:13:48 +0200
Subject: [PATCH 058/337] Add disallowTrailingSpaces rule

---
 .jscsrc                                   |  1 +
 src/compression/runlength/runlength.js    |  2 +-
 src/data-structures/binary-search-tree.js |  4 ++--
 src/data-structures/heap.js               |  2 +-
 src/data-structures/interval-tree.js      | 10 +++++-----
 src/data-structures/red-black-tree.js     | 14 +++++++-------
 src/graphs/shortest-path/dijkstra.js      |  6 +++---
 test/graphs/searching/bfs.spec.js         |  2 +-
 8 files changed, 21 insertions(+), 20 deletions(-)

diff --git a/.jscsrc b/.jscsrc
index a600cc1e..847fc3ee 100644
--- a/.jscsrc
+++ b/.jscsrc
@@ -23,6 +23,7 @@
   "disallowMultipleLineBreaks": true,
   "disallowKeywordsOnNewLine": ["else"],
   "requireLineFeedAtFileEnd": true,
+  "disallowTrailingWhitespace": true,
   "excludeFiles": ["node_modules/**", "bower_components/**"],
   "validateIndentation": 2
 }
\ No newline at end of file
diff --git a/src/compression/runlength/runlength.js b/src/compression/runlength/runlength.js
index cea0fc56..2a5f7942 100644
--- a/src/compression/runlength/runlength.js
+++ b/src/compression/runlength/runlength.js
@@ -1,6 +1,6 @@
 /**
  * Run-length encoding.
- * The idea of this algorithm is to remove the usless zeros and 
+ * The idea of this algorithm is to remove the usless zeros and
  * give us representation of string in binary which in which the
  * zeros will be stripped and replaced with their count.
  */
diff --git a/src/data-structures/binary-search-tree.js b/src/data-structures/binary-search-tree.js
index 2b2d651c..c1dc844d 100644
--- a/src/data-structures/binary-search-tree.js
+++ b/src/data-structures/binary-search-tree.js
@@ -190,7 +190,7 @@
   /**
    * Finds a node by it's value in a given sub-tree.
    * Average time complexity: O(log N).
-   * 
+   *
    * @private
    * @param {Number|String} Value of the node which should be found.
    * @param {Node} Current node to be checked.
@@ -221,7 +221,7 @@
    * @param {Node} oldChild Child to be replaced.
    * @param {Node} newChild Child replacement.
    */
-  exports.BinaryTree.prototype._replaceChild = 
+  exports.BinaryTree.prototype._replaceChild =
    function (parent, oldChild, newChild) {
     if (!parent) {
       this._root = newChild;
diff --git a/src/data-structures/heap.js b/src/data-structures/heap.js
index 044844e7..c654f815 100644
--- a/src/data-structures/heap.js
+++ b/src/data-structures/heap.js
@@ -97,7 +97,7 @@
   /**
    * Changes the key.<br><br>
    * Complexity: O(log N).
-   * 
+   *
    * @public
    * @param {Number} index Index of the value which should be changed.
    * @param {Number|Object} value New value according to the index.
diff --git a/src/data-structures/interval-tree.js b/src/data-structures/interval-tree.js
index cf5fbe62..bd247188 100644
--- a/src/data-structures/interval-tree.js
+++ b/src/data-structures/interval-tree.js
@@ -24,7 +24,7 @@
 
   /**
    * Node which describes an interval.
-   * 
+   *
    * @public
    * @constructor
    * @param {Number} start Start of the interval.
@@ -39,7 +39,7 @@
      */
     this.interval = [start, end];
     /**
-     * Max endpoint in subtree which starts from this node. 
+     * Max endpoint in subtree which starts from this node.
      * @member {Number}
      */
     this.max = -Infinity;
@@ -106,7 +106,7 @@
 
   /**
    * Add new interval to the tree.
-   * 
+   *
    * @public
    * @param {Array} intreval Array with start and end points of the interval.
    */
@@ -141,7 +141,7 @@
   /**
    * Checks or point belongs to at least one intarval from the tree.<br><br>
    * Complexity: O(log N).
-   * 
+   *
    * @public
    * @method
    * @param {Number} point Point which should be checked.
@@ -196,7 +196,7 @@
 
   /**
    * Returns height of the tree.
-   * 
+   *
    * @public
    * @method
    * @return {Number} Height of the tree.
diff --git a/src/data-structures/red-black-tree.js b/src/data-structures/red-black-tree.js
index 53ba159f..2a6c487d 100644
--- a/src/data-structures/red-black-tree.js
+++ b/src/data-structures/red-black-tree.js
@@ -1,7 +1,7 @@
 /**
  * Red-Black tree is a data structure which is
  * a type of self-balancing binary search tree.
- * 
+ *
  * @example
  *
  * var RBTree = require('../src/data-structures/red-black-tree').RBTree;
@@ -25,7 +25,7 @@
  * });
  *
  * console.log(rbTree.get(1989)); // { name: 'Garry', surname: 'Fisher' }
- * 
+ *
  * @module data-structures/red-black-tree
  */
 (function (exports) {
@@ -43,7 +43,7 @@
 
   /**
    * Node of the Red-Black tree.
-   * 
+   *
    * @private
    * @constructor
    * @param {Number} key Key of the node.
@@ -105,7 +105,7 @@
 
   /**
    * Red-Black Tree.
-   * 
+   *
    * @public
    * @constructor
    */
@@ -116,7 +116,7 @@
   /**
    * Add value associated with a given key.<br><br>
    * Complexity: O(log N).
-   * 
+   *
    * @public
    * @method
    * @param {Number} key Key.
@@ -130,7 +130,7 @@
   /**
    * Returns true or false depending on whether
    * given node is red.
-   * 
+   *
    * @private
    * @method
    * @param {Node} node Node which sould be checked.
@@ -146,7 +146,7 @@
   /**
    * Helper function for insertion of given key,
    * value pair into the Red-Black tree.
-   * 
+   *
    * @private
    * @method
    * @param {Number} key Key.
diff --git a/src/graphs/shortest-path/dijkstra.js b/src/graphs/shortest-path/dijkstra.js
index 3591a3bb..38b7aa30 100644
--- a/src/graphs/shortest-path/dijkstra.js
+++ b/src/graphs/shortest-path/dijkstra.js
@@ -63,21 +63,21 @@
     }
 
     /**
-     * Dijkstra's shortest path algorithm. Finds the minimum 
+     * Dijkstra's shortest path algorithm. Finds the minimum
      * distance between two given nodes using a distance matrix.<br><br>
      * For the implementation is not used the most suitable data structure
      * (Fibonacci heap) but the Binary heap gives also good results.<br><br>
      *
      * Time complexity: O(|E|+|V|log(|V|)) where V and E are the number of
      * vertices and edges respectively.
-     * 
+     *
      * @public
      * @module graphs/shortest-path/dijkstra
      * @param {Number} src Source node.
      * @param {Number} dest Destination node.
      * @param {Array} graph A distance matrix of the graph.
      * @returns {Number} The shortest distance between two nodes.
-     * 
+     *
      * @example
      * var dijkstra =
      * require('path-to-algorithms/src/graphs/shortest-path/dijkstra').dijkstra;
diff --git a/test/graphs/searching/bfs.spec.js b/test/graphs/searching/bfs.spec.js
index 3fbf453b..9ade6961 100644
--- a/test/graphs/searching/bfs.spec.js
+++ b/test/graphs/searching/bfs.spec.js
@@ -41,7 +41,7 @@ describe('BFS', function () {
    *
    *  0 ---> 1
    *   \     |
-   *    \    v 
+   *    \    v
    *      -> 2
    */
   it('should not update the parent node once set', function () {

From bc548ad0e6dc8b1e28161205af7041278787d9b1 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sun, 11 Jan 2015 19:13:49 +0200
Subject: [PATCH 059/337] fix combinations, add permutations jsdoc

---
 src/combinatorics/combinations.js |  1 +
 src/combinatorics/permutations.js | 38 +++++++++++++++++++++++--------
 2 files changed, 30 insertions(+), 9 deletions(-)

diff --git a/src/combinatorics/combinations.js b/src/combinatorics/combinations.js
index fe7a91f1..a5f026f8 100644
--- a/src/combinatorics/combinations.js
+++ b/src/combinatorics/combinations.js
@@ -16,6 +16,7 @@
     }
 
     /**
+     * Finds all the combinations of given array.<br><br>
      * A combination is a way of selecting members from a grouping,
      * such that (unlike permutations) the order of selection does not matter.
      * For example given three fruits, say an apple, an orange and a pear,
diff --git a/src/combinatorics/permutations.js b/src/combinatorics/permutations.js
index 4430e33a..8b6946f7 100644
--- a/src/combinatorics/permutations.js
+++ b/src/combinatorics/permutations.js
@@ -10,14 +10,6 @@
       arr[j] = temp;
     }
 
-   /**
-    * Finds all the permutations of given array.
-    * Complexity O(n*n!).
-    *
-    * @param {Array} arr Array to find the permutations of
-    * @param {Number} current Current element
-    * @returns {Array} Array containing all the permutations
-    */
     function permutations(arr, current) {
       if (current >= arr.length) {
         return res.push(arr.slice());
@@ -29,6 +21,34 @@
       }
     }
 
+   /**
+    * Finds all the permutations of given array.<br><br>
+    * Permutation relates to the act of rearranging, or permuting,
+    * all the members of a set into some sequence or order.
+    * For example there are six permutations of the set {1,2,3}, namely:
+    * (1,2,3), (1,3,2), (2,1,3), (2,3,1), (3,1,2), and (3,2,1).<br><br>
+    * Complexity: O(N*N!).
+    *
+    * @example
+    *
+    * var permutations = require('path-to-algorithms/src/' + 
+    * 'combinatorics/permutations').permutations;
+    * var result = permutations(['apple', 'orange', 'pear']);
+    *
+    * // [ [ 'apple', 'orange', 'pear' ],
+    * //   [ 'apple', 'pear', 'orange' ],
+    * //   [ 'orange', 'apple', 'pear' ],
+    * //   [ 'orange', 'pear', 'apple' ],
+    * //   [ 'pear', 'orange', 'apple' ],
+    * //   [ 'pear', 'apple', 'orange' ] ]
+    * console.log(result);
+    *
+    * @module combinatorics/permutations
+    * @public
+    * @param {Array} arr Array to find the permutations of.
+    * @param {Number} current Current element.
+    * @returns {Array} Array containing all the permutations.
+    */
     return function (arr) {
       res = [];
       permutations(arr, 0);
@@ -41,4 +61,4 @@
 
   exports.permutations = permutations;
 
-}(typeof exports === 'undefined' ? window : exports));
+}((typeof window === 'undefined') ? module.exports : window));

From ea88a544228d3017705505581e6dacd18e900f0d Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sun, 11 Jan 2015 19:27:44 +0200
Subject: [PATCH 060/337] Update readme

---
 readme.md | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/readme.md b/readme.md
index eda76983..3f128d67 100644
--- a/readme.md
+++ b/readme.md
@@ -20,13 +20,13 @@ npm install
 
 **To setup repository with documentation**
 
-1) go to the parent directory of the `javascript-algorithms` folder and call:
+- Go to the parent directory of the `javascript-algorithms` folder and call:
 
 ```bash
 git clone git@github.com:mgechev/javascript-algorithms.git javascript-algorithms-docs
 ```
 
-2) go to the `javascript-algorithms-docs` folder and change current branch to `gh-pages`:
+- Go to the `javascript-algorithms-docs` folder and change current branch to `gh-pages`:
 
 ```bash
 git checkout gh-pages
@@ -46,16 +46,10 @@ and all files in `javascript-algorithms-docs` folder will be updated.
 
 **To run tests**
 
-You should install `jasmine-node`:
-
-```bash
-npm install -g jasmine-node
-```
-
 Call:
 
 ```bash
-jasmine-node test/
+gulp test
 ```
 
 and all `*.spec.js` files will be executed.

From 9a22cc5bd9529c6eaf778a7fba9b7e91caa72fb4 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sun, 11 Jan 2015 19:41:50 +0200
Subject: [PATCH 061/337] jsdoc for variations-repetitions

---
 src/combinatorics/variations-repetion.js   | 28 -----------
 src/combinatorics/variations-repetition.js | 55 ++++++++++++++++++++++
 2 files changed, 55 insertions(+), 28 deletions(-)
 delete mode 100644 src/combinatorics/variations-repetion.js
 create mode 100644 src/combinatorics/variations-repetition.js

diff --git a/src/combinatorics/variations-repetion.js b/src/combinatorics/variations-repetion.js
deleted file mode 100644
index d9eb4984..00000000
--- a/src/combinatorics/variations-repetion.js
+++ /dev/null
@@ -1,28 +0,0 @@
-(function (exports) {
-  'use strict';
-
-  var variationsWithRepetion = (function () {
-    var res;
-
-    function variations(arr, k, index, current) {
-      if (k === index) {
-        return res.push(current.slice());
-      }
-      for (var i = 0; i < arr.length; i += 1) {
-        current[index] = arr[i];
-        variations(arr, k, index + 1, current);
-      }
-    }
-
-    return function (arr, k) {
-      res = [];
-      variations(arr, k, 0, []);
-      var temp = res;
-      res = undefined;
-      return temp;
-    };
-  }());
-
-  exports.variationsWithRepetion = variationsWithRepetion;
-
-}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/combinatorics/variations-repetition.js b/src/combinatorics/variations-repetition.js
new file mode 100644
index 00000000..d6910f10
--- /dev/null
+++ b/src/combinatorics/variations-repetition.js
@@ -0,0 +1,55 @@
+(function (exports) {
+  'use strict';
+
+  var variationsWithRepetion = (function () {
+    var res;
+
+    function variations(arr, k, index, current) {
+      if (k === index) {
+        return res.push(current.slice());
+      }
+      for (var i = 0; i < arr.length; i += 1) {
+        current[index] = arr[i];
+        variations(arr, k, index + 1, current);
+      }
+    }
+
+    /**
+     * Finds all the variations with repetition of given array.<br><br>
+     * Variations with repetition is the number of ways to sample k elements
+     * from a set of elements (which may be repeated).
+     * 
+     * @example
+     * var variations = require('path-to-algorithms/src/combinatorics/' + 
+     * 'variations-repetition').variationsWithRepetion;
+     * var result = variations(['apple', 'orange', 'pear'], 2);
+     *
+     * // [['apple', 'apple'],
+     * //  ['apple', 'orange'],
+     * //  ['apple', 'pear'],
+     * //  ['orange', 'apple'],
+     * //  ['orange', 'orange'],
+     * //  ['orange', 'pear'],
+     * //  ['pear', 'apple'],
+     * //  ['pear', 'orange'],
+     * //  ['pear', 'pear']]
+     * console.log(result);
+     *
+     * @module combinatorics/variations-repetition
+     * @public
+     * @param arr {Array} Set of items.
+     * @param k {Number} Size of each combination.
+     * @return {Array} Returns all combinations.
+     */
+    return function (arr, k) {
+      res = [];
+      variations(arr, k, 0, []);
+      var temp = res;
+      res = undefined;
+      return temp;
+    };
+  }());
+
+  exports.variationsWithRepetion = variationsWithRepetion;
+
+}((typeof window === 'undefined') ? module.exports : window));

From f7ded3a78ade6934fbec0e169514d67b8c8c6b79 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sun, 11 Jan 2015 19:48:42 +0200
Subject: [PATCH 062/337] fix jshint issues

---
 src/combinatorics/combinations.js          | 6 +++---
 src/combinatorics/permutations.js          | 2 +-
 src/combinatorics/variations-repetition.js | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/combinatorics/combinations.js b/src/combinatorics/combinations.js
index a5f026f8..9f72d17e 100644
--- a/src/combinatorics/combinations.js
+++ b/src/combinatorics/combinations.js
@@ -22,9 +22,9 @@
      * For example given three fruits, say an apple, an orange and a pear,
      * there are three combinations of two that can be drawn from this set:
      * an apple and a pear; an apple and an orange; or a pear and an orange.
-     * 
+     *
      * @example
-     * 
+     *
      * var combinations = require('path-to-algorithms/src/' +
      * 'combinatorics/combinations').combinations;
      * var result = combinations(['apple', 'orange', 'pear'], 2);
@@ -32,7 +32,7 @@
      * //  ['apple', 'pear'],
      * //  ['orange', 'pear']]
      * console.log(result);
-     * 
+     *
      * @module combinatorics/combinations
      * @public
      * @param arr {Array} Set of items.
diff --git a/src/combinatorics/permutations.js b/src/combinatorics/permutations.js
index 8b6946f7..4ae6cba4 100644
--- a/src/combinatorics/permutations.js
+++ b/src/combinatorics/permutations.js
@@ -31,7 +31,7 @@
     *
     * @example
     *
-    * var permutations = require('path-to-algorithms/src/' + 
+    * var permutations = require('path-to-algorithms/src/' +
     * 'combinatorics/permutations').permutations;
     * var result = permutations(['apple', 'orange', 'pear']);
     *
diff --git a/src/combinatorics/variations-repetition.js b/src/combinatorics/variations-repetition.js
index d6910f10..71c68f6a 100644
--- a/src/combinatorics/variations-repetition.js
+++ b/src/combinatorics/variations-repetition.js
@@ -18,9 +18,9 @@
      * Finds all the variations with repetition of given array.<br><br>
      * Variations with repetition is the number of ways to sample k elements
      * from a set of elements (which may be repeated).
-     * 
+     *
      * @example
-     * var variations = require('path-to-algorithms/src/combinatorics/' + 
+     * var variations = require('path-to-algorithms/src/combinatorics/' +
      * 'variations-repetition').variationsWithRepetion;
      * var result = variations(['apple', 'orange', 'pear'], 2);
      *

From be2a18fcf5c712521f934ea2529ee74bcce296e1 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sun, 11 Jan 2015 19:54:41 +0200
Subject: [PATCH 063/337] fix js-doc fonfigand small fixes in primes jsdoc

---
 doc-config.json                     |  2 +-
 src/primes/is-prime.js              |  6 +++---
 src/primes/prime-factor-tree.js     |  6 +++---
 src/primes/sieve-of-eratosthenes.js | 10 +++++-----
 4 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/doc-config.json b/doc-config.json
index 1fb4bfce..44c533d2 100644
--- a/doc-config.json
+++ b/doc-config.json
@@ -9,7 +9,7 @@
             "./src/graphs/shortest-path/",
             "./src/graphs/spanning-trees/",
             "./src/data-structures/",
-            "./src/combinatorics/"
+            "./src/combinatorics/",
             "./src/primes/"
         ],
         "includePattern": ".+\\.js(doc)?$",
diff --git a/src/primes/is-prime.js b/src/primes/is-prime.js
index 951bc7de..38ec9afe 100644
--- a/src/primes/is-prime.js
+++ b/src/primes/is-prime.js
@@ -6,11 +6,11 @@
    * For example for number 104743 it should return true, for 104744 - false.
    *
    * @module primes/is-prime
-   * @param {Number} number - Number that we check on prime
-   * @returns {Boolean} Will return true if provided number is prime
+   * @param {Number} number - Number that we check on prime.
+   * @returns {Boolean} Will return true if provided number is prime.
    *
    * @example
-   * var isPrime = require('path/to/primes/is-prime').isPrime;
+   * var isPrime = require('path-to-algorithms/src/is-prime').isPrime;
    *
    * console.log(isPrime(7)); // true
    * console.log(isPrime(18)); // false
diff --git a/src/primes/prime-factor-tree.js b/src/primes/prime-factor-tree.js
index 6777a3bf..b5f1a9de 100644
--- a/src/primes/prime-factor-tree.js
+++ b/src/primes/prime-factor-tree.js
@@ -7,11 +7,11 @@
    * [2, 3, 3].
    *
    * @module primes/prime-factor-tree
-   * @param {Number} number - Number for which method will find all primes
-   * @returns {Array} List of available primes for provided number
+   * @param {Number} number - Number for which method will find all primes.
+   * @returns {Array} List of available primes for provided number.
    *
    * @example
-   * var primeFactorTree = require('path/to/primes/prime-factor-tree')
+   * var primeFactorTree = require('path-to-algorithms/src/prime-factor-tree')
    * .primeFactorTree;
    *
    * console.log(primeFactorTree(18)); // [2, 3, 3]
diff --git a/src/primes/sieve-of-eratosthenes.js b/src/primes/sieve-of-eratosthenes.js
index b4337b83..cea5a8b5 100644
--- a/src/primes/sieve-of-eratosthenes.js
+++ b/src/primes/sieve-of-eratosthenes.js
@@ -9,16 +9,16 @@
    * Returns list of primes up to specified limit.
    *
    * For example, for limit 10 it should return following list of primes:
-   * [2, 3, 5, 7]
+   * [2, 3, 5, 7].
    *
    * @module primes/sieve-of-eratosthenes
    * @param {Number} limit - Algorithm will returns list of primes up to
-   * specified limit
-   * @returns {Array} Will return list with all prime numbers up to provided
-   * limit
+   * specified limit.
+   * @returns {Array} Will return list with all prime numbers up to provided.
+   * limit.
    *
    * @example
-   * var sieveOfEratosthenes = require('path/to/primes/sieve-of-eratosthenes')
+   * var sieveOfEratosthenes = require('path-to-algorithms/src/sieve-of-eratosthenes')
    * .sieveOfEratosthenes;
    *
    * console.log(sieveOfEratosthenes(12)); // [2, 3, 5, 7, 11]

From 4845ff294f4224c21cdda678a131e6284e4b00b1 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sun, 11 Jan 2015 20:03:36 +0200
Subject: [PATCH 064/337] fix jshint error

---
 src/primes/sieve-of-eratosthenes.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/primes/sieve-of-eratosthenes.js b/src/primes/sieve-of-eratosthenes.js
index cea5a8b5..0a549cf1 100644
--- a/src/primes/sieve-of-eratosthenes.js
+++ b/src/primes/sieve-of-eratosthenes.js
@@ -18,7 +18,8 @@
    * limit.
    *
    * @example
-   * var sieveOfEratosthenes = require('path-to-algorithms/src/sieve-of-eratosthenes')
+   * var sieveOfEratosthenes =
+   * require('path-to-algorithms/src/sieve-of-eratosthenes')
    * .sieveOfEratosthenes;
    *
    * console.log(sieveOfEratosthenes(12)); // [2, 3, 5, 7, 11]

From 6a14fcac53da59c612ed4cf0a1bb0a95959b5eb6 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sun, 11 Jan 2015 20:05:38 +0200
Subject: [PATCH 065/337] fix jshint error

---
 src/primes/sieve-of-eratosthenes.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/primes/sieve-of-eratosthenes.js b/src/primes/sieve-of-eratosthenes.js
index 0a549cf1..c239ea0e 100644
--- a/src/primes/sieve-of-eratosthenes.js
+++ b/src/primes/sieve-of-eratosthenes.js
@@ -19,8 +19,7 @@
    *
    * @example
    * var sieveOfEratosthenes =
-   * require('path-to-algorithms/src/sieve-of-eratosthenes')
-   * .sieveOfEratosthenes;
+   * require('path-to-algorithms/src/sieve-of-eratosthenes').sieveOfEratosthenes;
    *
    * console.log(sieveOfEratosthenes(12)); // [2, 3, 5, 7, 11]
    */

From 418968e36d690be4610dbc0d1a046b86f40234fd Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Sun, 11 Jan 2015 21:43:01 +0200
Subject: [PATCH 066/337] fix permutations doc

---
 src/combinatorics/permutations.js | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/combinatorics/permutations.js b/src/combinatorics/permutations.js
index 4ae6cba4..915acea1 100644
--- a/src/combinatorics/permutations.js
+++ b/src/combinatorics/permutations.js
@@ -46,7 +46,6 @@
     * @module combinatorics/permutations
     * @public
     * @param {Array} arr Array to find the permutations of.
-    * @param {Number} current Current element.
     * @returns {Array} Array containing all the permutations.
     */
     return function (arr) {

From 66c4af4f32314127caa209c831e771e12c80c497 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Mon, 12 Jan 2015 10:23:05 +0200
Subject: [PATCH 067/337] Add bucket sort spec

---
 test/sorting/linearsort/bucketsort.spec.js | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 test/sorting/linearsort/bucketsort.spec.js

diff --git a/test/sorting/linearsort/bucketsort.spec.js b/test/sorting/linearsort/bucketsort.spec.js
new file mode 100644
index 00000000..839ca502
--- /dev/null
+++ b/test/sorting/linearsort/bucketsort.spec.js
@@ -0,0 +1,18 @@
+var bs =
+  require('../../../src/sorting/linearsort/bucketsort').bucketSort;
+
+describe('bucketsort', function () {
+  'use strict';
+
+  it('should sort the empty array', function () {
+    expect(bs([])).toEqual([]);
+  });
+
+  it('should return array with the same count of elements', function () {
+    expect(bs([2, 3, 4]).length).toBe(3);
+  });
+
+  it('should sort the given array in ascending order', function () {
+    expect(bs([42, 3, 10])).toEqual([3, 10, 42]);
+  });
+});

From 6034d8d4324235eb9abdf8dc267061fbfef6efb2 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Mon, 12 Jan 2015 10:27:16 +0200
Subject: [PATCH 068/337] Add specs for counting sort

---
 test/sorting/linearsort/countingsort.spec.js | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 test/sorting/linearsort/countingsort.spec.js

diff --git a/test/sorting/linearsort/countingsort.spec.js b/test/sorting/linearsort/countingsort.spec.js
new file mode 100644
index 00000000..c392c482
--- /dev/null
+++ b/test/sorting/linearsort/countingsort.spec.js
@@ -0,0 +1,18 @@
+var cs =
+  require('../../../src/sorting/linearsort/countingsort').countingSort;
+
+describe('countingsort', function () {
+  'use strict';
+
+  it('should sort the empty array', function () {
+    expect(cs([])).toEqual([]);
+  });
+
+  it('should return array with the same count of elements', function () {
+    expect(cs([2, 3, 4]).length).toBe(3);
+  });
+
+  it('should sort the given array in ascending order', function () {
+    expect(cs([42, 3, 10])).toEqual([3, 10, 42]);
+  });
+});

From ead628f93454325af9698da641af94465ca7230d Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Mon, 12 Jan 2015 15:44:05 +0200
Subject: [PATCH 069/337] add livenshtein distance doc

---
 doc-config.json                    |  3 ++-
 src/others/levenshtein-distance.js | 20 ++++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/doc-config.json b/doc-config.json
index 44c533d2..790d8799 100644
--- a/doc-config.json
+++ b/doc-config.json
@@ -10,7 +10,8 @@
             "./src/graphs/spanning-trees/",
             "./src/data-structures/",
             "./src/combinatorics/",
-            "./src/primes/"
+            "./src/primes/",
+            "./src/others/"
         ],
         "includePattern": ".+\\.js(doc)?$",
         "excludePattern": "docs"
diff --git a/src/others/levenshtein-distance.js b/src/others/levenshtein-distance.js
index c667875f..c9fe2e81 100644
--- a/src/others/levenshtein-distance.js
+++ b/src/others/levenshtein-distance.js
@@ -21,6 +21,26 @@
                       levenshteinDistance(s, ls - 1, t, lt - 1) + cost);
     }
 
+    /**
+     * The Levenshtein distance between two strings is a minimum number
+     * of edits needed to transform one string into the other, with the
+     * allowable edit operations being insertion, deletion,
+     * or substitution of a single character.
+     *
+     * @public
+     * @module others/levenshtein-distance
+     *
+     * @example
+     *
+     * var dist = require('path-to-algorithms/src/others/' +
+     * 'levenshtein-distance').levenshteinDistance;
+     * console.log(dist('kitten', 'sitting')); // 3
+     *
+     * @param {String} s Source string.
+     * @param {String} t Target string.
+     * @return {Number} Minimum number of edits needed
+     * to transform source string into the target string.
+     */
     return function (s, t) {
       return levenshteinDistance(s, s.length, t, t.length);
     };

From e5a28b66f9977d168c17aa3e3697a4abc73a7d96 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Mon, 12 Jan 2015 18:47:00 +0200
Subject: [PATCH 070/337] add hanoi jsdoc

---
 src/others/hanoi.js | 32 +++++++++++++++++++++++++++++---
 1 file changed, 29 insertions(+), 3 deletions(-)

diff --git a/src/others/hanoi.js b/src/others/hanoi.js
index 4e5848d1..b4bda331 100644
--- a/src/others/hanoi.js
+++ b/src/others/hanoi.js
@@ -1,9 +1,35 @@
-/*
- * Hanoi towers
- */
 (function (exports) {
   'use strict';
 
+  /**
+   * Returns all movements needed to solve Hanoi Tower problem.
+   *
+   * @public
+   * @module others/hanoi
+   *
+   * @example
+   *
+   * var hanoi = require('../src/others/hanoi').hanoi;
+   * var movements = hanoi(3, 'a', 'b', 'c');
+   *
+   * // Move a to c
+   * // Move a to b
+   * // Move c to b
+   * // Move a to c
+   * // Move b to a
+   * // Move b to c
+   * // Move a to c
+   * movements.forEach(function (move) {
+   *   console.log('Move', move[0], 'to', move[1]);
+   * });
+   *
+   * @param {Number} count Count of the plates/stones.
+   * @param {String|Number} source Identifier of the 1st peg.
+   * @param {String|Number} source Identifier of the 2nd peg.
+   * @param {String|Number} source Identifier of the 3rd peg.
+   * @return Array which contains all the moves required
+   * in order to place all the plates onto the last peg.
+   */
   function hanoi(count, source, intermediate, goal, result) {
     result = result || [];
     if (count === 1) {

From 8dd2e8e79d62e66d0ca304dd52a5565240f27eb1 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Tue, 13 Jan 2015 01:01:40 +0200
Subject: [PATCH 071/337] fix hanoi example, add binsearch jsdoc

---
 doc-config.json                            |  3 ++-
 src/others/hanoi.js                        |  2 +-
 src/searching/binarysearch/binarysearch.js | 27 ++++++++++++++--------
 3 files changed, 20 insertions(+), 12 deletions(-)

diff --git a/doc-config.json b/doc-config.json
index 790d8799..0ecc43b0 100644
--- a/doc-config.json
+++ b/doc-config.json
@@ -11,7 +11,8 @@
             "./src/data-structures/",
             "./src/combinatorics/",
             "./src/primes/",
-            "./src/others/"
+            "./src/others/",
+            "./src/searching/"
         ],
         "includePattern": ".+\\.js(doc)?$",
         "excludePattern": "docs"
diff --git a/src/others/hanoi.js b/src/others/hanoi.js
index b4bda331..bbd6b052 100644
--- a/src/others/hanoi.js
+++ b/src/others/hanoi.js
@@ -9,7 +9,7 @@
    *
    * @example
    *
-   * var hanoi = require('../src/others/hanoi').hanoi;
+   * var hanoi = require('path-to-algorithms/src/others/hanoi').hanoi;
    * var movements = hanoi(3, 'a', 'b', 'c');
    *
    * // Move a to c
diff --git a/src/searching/binarysearch/binarysearch.js b/src/searching/binarysearch/binarysearch.js
index a95ffc08..5a9999a8 100644
--- a/src/searching/binarysearch/binarysearch.js
+++ b/src/searching/binarysearch/binarysearch.js
@@ -2,23 +2,30 @@
   'use strict';
 
   /**
-   * Searchs for specific element in given array using
-   * the binary search algorithm.
-   * It's complexity is O(log n)
+   * Searchs for specific element in a given array using
+   * the binary search algorithm.<br><br>
+   * Time complexity: O(log N).
    *
+   * @example
+   *
+   * var search = require('path-to-algorithms/src/searching/'+
+   * 'binarysearch/binarysearch').binarySearch;
+   * console.log(search([1, 2, 3, 4, 5], 4)); // 3
+   * 
    * @public
-   * @param {array} array Input array
-   * @param {number} key The key of the element which index we should find
-   * @returns {number} index The index of the element or -1 if not found
+   * @module searching/binarysearch/binarysearch
+   * @param {Array} array Input array.
+   * @param {Number} value Value of the element which index should be found.
+   * @returns {Number} Index of the element or -1 if not found.
    */
-  function binarySearch(array, key) {
+  function binarySearch(array, value) {
     var middle = Math.floor(array.length / 2);
     var left = 0;
     var right = array.length;
     while (right >= left) {
-      if (array[middle] === key) {
+      if (array[middle] === value) {
         return middle;
-      } else if (array[middle] > key) {
+      } else if (array[middle] > value) {
         right = middle - 1;
       } else {
         left = middle + 1;
@@ -30,4 +37,4 @@
 
   exports.binarySearch = binarySearch;
 
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);

From 7be10e16da915f7cf5d03cb89d8fb6285b41d343 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Tue, 13 Jan 2015 01:02:20 +0200
Subject: [PATCH 072/337] fix jshint error

---
 src/searching/binarysearch/binarysearch.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/searching/binarysearch/binarysearch.js b/src/searching/binarysearch/binarysearch.js
index 5a9999a8..d66d18b2 100644
--- a/src/searching/binarysearch/binarysearch.js
+++ b/src/searching/binarysearch/binarysearch.js
@@ -11,7 +11,7 @@
    * var search = require('path-to-algorithms/src/searching/'+
    * 'binarysearch/binarysearch').binarySearch;
    * console.log(search([1, 2, 3, 4, 5], 4)); // 3
-   * 
+   *
    * @public
    * @module searching/binarysearch/binarysearch
    * @param {Array} array Input array.

From fce486ec7d872c918771340d498294b826336ede Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Tue, 13 Jan 2015 01:09:01 +0200
Subject: [PATCH 073/337] recursive bin search jsdoc

---
 .../binarysearch/recursive-binarysearch.js    | 43 +++++++++++--------
 1 file changed, 25 insertions(+), 18 deletions(-)

diff --git a/src/searching/binarysearch/recursive-binarysearch.js b/src/searching/binarysearch/recursive-binarysearch.js
index b042e069..d0227a2a 100644
--- a/src/searching/binarysearch/recursive-binarysearch.js
+++ b/src/searching/binarysearch/recursive-binarysearch.js
@@ -1,49 +1,56 @@
 (function (exports) {
   'use strict';
-  /**
-   * Recursive version of binary search. It's complexity is O(log n).
-   *
-   * @public
-   */
+
   var binarySearch = (function () {
     /**
      * Binary search.
      *
      * @pivate
      * @param {array} array Array where we should find the index of the element
-     * @param {number} key Key of the element which index should be found
+     * @param {number} value Value of the element which index should be found
      * @param {number} left Left index
      * @param {number} right Right index
      * @returns {number} index The index of the element or -1 if not found
      *
      */
-    function recursiveBinarySearch(array, key, left, right) {
+    function recursiveBinarySearch(array, value, left, right) {
       if (left > right) {
         return -1;
       }
       var middle = Math.floor((right + left) / 2);
-      if (array[middle] === key) {
+      if (array[middle] === value) {
         return middle;
-      } else if (array[middle] > key) {
-        return recursiveBinarySearch(array, key, left, middle - 1);
+      } else if (array[middle] > value) {
+        return recursiveBinarySearch(array, value, left, middle - 1);
       } else {
-        return recursiveBinarySearch(array, key, middle + 1, right);
+        return recursiveBinarySearch(array, value, middle + 1, right);
       }
     }
 
     /**
-     * Calls the binary search function with it's initial values.
+     * Recursive version of binary search.
+     * Searchs for specific element in a given array using
+     * the binary search algorithm.<br><br>
+     * Time complexity: O(log N).
      *
-     * @param {array} array The input array
-     * @param {number} key The key of the element which index should be found
-     * @returns {number} index The index of the element or -1 if not found
+     * @example
+     *
+     * var search = require('path-to-algorithms/src/searching/'+
+     * 'binarysearch/recursive-binarysearch').binarySearch;
+     * console.log(search([1, 2, 3, 4, 5], 4)); // 3
+     *
+     * @public
+     * @module searching/binarysearch/recursive-binarysearch
+     * @param {Array} array Input array.
+     * @param {Number} value Value of the element which index should be found.
+     * @returns {Number} Index of the element or -1 if not found.
      */
-    return function (array, key) {
-      return recursiveBinarySearch(array, key, 0, array.length);
+    return function (array, value) {
+      return recursiveBinarySearch(array, value, 0, array.length);
     };
 
   }());
 
   exports.binarySearch = binarySearch;
 
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);

From 7e7db9b8bc385eb28709c5a2b9086e501c67f145 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Tue, 13 Jan 2015 10:23:52 +0200
Subject: [PATCH 074/337] fix searching namespaces

---
 .../{binarysearch => }/binarysearch.js          |  4 ++--
 .../knuth-morris-pratt.js                       |  0
 .../longest-increasing-subsequence.js           |  0
 .../maximum-subarray-divide-and-conquer.js      |  0
 .../{subarray => }/maximum-subarray.js          |  0
 src/searching/{quickselect => }/quickselect.js  |  0
 .../recursive-binarysearch.js                   | 17 +++++++----------
 .../{binarysearch => }/binarysearch.spec.js     |  2 +-
 .../longest-increasing-subsequence.spec.js      |  4 ++--
 .../maximum-subarray-divide-and-conquer.spec.js |  2 +-
 10 files changed, 13 insertions(+), 16 deletions(-)
 rename src/searching/{binarysearch => }/binarysearch.js (91%)
 rename src/searching/{knuth-morris-pratt => }/knuth-morris-pratt.js (100%)
 rename src/searching/{longest-increasing-subsequence => }/longest-increasing-subsequence.js (100%)
 rename src/searching/{subarray => }/maximum-subarray-divide-and-conquer.js (100%)
 rename src/searching/{subarray => }/maximum-subarray.js (100%)
 rename src/searching/{quickselect => }/quickselect.js (100%)
 rename src/searching/{binarysearch => }/recursive-binarysearch.js (76%)
 rename test/searching/{binarysearch => }/binarysearch.spec.js (90%)
 rename test/searching/{longest-increasing-subsequence => }/longest-increasing-subsequence.spec.js (84%)
 rename test/searching/{subarray => }/maximum-subarray-divide-and-conquer.spec.js (92%)

diff --git a/src/searching/binarysearch/binarysearch.js b/src/searching/binarysearch.js
similarity index 91%
rename from src/searching/binarysearch/binarysearch.js
rename to src/searching/binarysearch.js
index d66d18b2..1b7ec295 100644
--- a/src/searching/binarysearch/binarysearch.js
+++ b/src/searching/binarysearch.js
@@ -9,11 +9,11 @@
    * @example
    *
    * var search = require('path-to-algorithms/src/searching/'+
-   * 'binarysearch/binarysearch').binarySearch;
+   * 'binarysearch').binarySearch;
    * console.log(search([1, 2, 3, 4, 5], 4)); // 3
    *
    * @public
-   * @module searching/binarysearch/binarysearch
+   * @module searching/binarysearch
    * @param {Array} array Input array.
    * @param {Number} value Value of the element which index should be found.
    * @returns {Number} Index of the element or -1 if not found.
diff --git a/src/searching/knuth-morris-pratt/knuth-morris-pratt.js b/src/searching/knuth-morris-pratt.js
similarity index 100%
rename from src/searching/knuth-morris-pratt/knuth-morris-pratt.js
rename to src/searching/knuth-morris-pratt.js
diff --git a/src/searching/longest-increasing-subsequence/longest-increasing-subsequence.js b/src/searching/longest-increasing-subsequence.js
similarity index 100%
rename from src/searching/longest-increasing-subsequence/longest-increasing-subsequence.js
rename to src/searching/longest-increasing-subsequence.js
diff --git a/src/searching/subarray/maximum-subarray-divide-and-conquer.js b/src/searching/maximum-subarray-divide-and-conquer.js
similarity index 100%
rename from src/searching/subarray/maximum-subarray-divide-and-conquer.js
rename to src/searching/maximum-subarray-divide-and-conquer.js
diff --git a/src/searching/subarray/maximum-subarray.js b/src/searching/maximum-subarray.js
similarity index 100%
rename from src/searching/subarray/maximum-subarray.js
rename to src/searching/maximum-subarray.js
diff --git a/src/searching/quickselect/quickselect.js b/src/searching/quickselect.js
similarity index 100%
rename from src/searching/quickselect/quickselect.js
rename to src/searching/quickselect.js
diff --git a/src/searching/binarysearch/recursive-binarysearch.js b/src/searching/recursive-binarysearch.js
similarity index 76%
rename from src/searching/binarysearch/recursive-binarysearch.js
rename to src/searching/recursive-binarysearch.js
index d0227a2a..8eb4d2f5 100644
--- a/src/searching/binarysearch/recursive-binarysearch.js
+++ b/src/searching/recursive-binarysearch.js
@@ -3,15 +3,12 @@
 
   var binarySearch = (function () {
     /**
-     * Binary search.
-     *
      * @pivate
-     * @param {array} array Array where we should find the index of the element
-     * @param {number} value Value of the element which index should be found
-     * @param {number} left Left index
-     * @param {number} right Right index
-     * @returns {number} index The index of the element or -1 if not found
-     *
+     * @param {Array} array Array where we should find the index of the element
+     * @param {Number} value Value of the element which index should be found
+     * @param {Number} left Left index
+     * @param {Number} right Right index
+     * @returns {Number} index The index of the element or -1 if not found
      */
     function recursiveBinarySearch(array, value, left, right) {
       if (left > right) {
@@ -36,11 +33,11 @@
      * @example
      *
      * var search = require('path-to-algorithms/src/searching/'+
-     * 'binarysearch/recursive-binarysearch').binarySearch;
+     * 'recursive-binarysearch').binarySearch;
      * console.log(search([1, 2, 3, 4, 5], 4)); // 3
      *
      * @public
-     * @module searching/binarysearch/recursive-binarysearch
+     * @module searching/recursive-binarysearch
      * @param {Array} array Input array.
      * @param {Number} value Value of the element which index should be found.
      * @returns {Number} Index of the element or -1 if not found.
diff --git a/test/searching/binarysearch/binarysearch.spec.js b/test/searching/binarysearch.spec.js
similarity index 90%
rename from test/searching/binarysearch/binarysearch.spec.js
rename to test/searching/binarysearch.spec.js
index a4fd195e..13777dd7 100644
--- a/test/searching/binarysearch/binarysearch.spec.js
+++ b/test/searching/binarysearch.spec.js
@@ -1,7 +1,7 @@
 'use strict';
 
 var binarySearch =
-  require('../../../src/searching/binarysearch/binarysearch').binarySearch;
+  require('../../src/searching/binarysearch').binarySearch;
 
 describe('Binary search', function () {
 
diff --git a/test/searching/longest-increasing-subsequence/longest-increasing-subsequence.spec.js b/test/searching/longest-increasing-subsequence.spec.js
similarity index 84%
rename from test/searching/longest-increasing-subsequence/longest-increasing-subsequence.spec.js
rename to test/searching/longest-increasing-subsequence.spec.js
index 57d4612b..ae72a3a0 100644
--- a/test/searching/longest-increasing-subsequence/longest-increasing-subsequence.spec.js
+++ b/test/searching/longest-increasing-subsequence.spec.js
@@ -1,8 +1,8 @@
 'use strict';
 
 var longestSubsequence =
-  require('../../../src/searching/' +
-    'longest-increasing-subsequence/longest-increasing-subsequence')
+  require('../../src/searching/' +
+    'longest-increasing-subsequence')
     .longestSubsequence;
 
 describe('longest subsequence', function () {
diff --git a/test/searching/subarray/maximum-subarray-divide-and-conquer.spec.js b/test/searching/maximum-subarray-divide-and-conquer.spec.js
similarity index 92%
rename from test/searching/subarray/maximum-subarray-divide-and-conquer.spec.js
rename to test/searching/maximum-subarray-divide-and-conquer.spec.js
index d53477a3..f84f60d2 100644
--- a/test/searching/subarray/maximum-subarray-divide-and-conquer.spec.js
+++ b/test/searching/maximum-subarray-divide-and-conquer.spec.js
@@ -1,7 +1,7 @@
 'use strict';
 
 var maxSubArray =
-  require('../../../src/searching/subarray/maximum-subarray-divide-and-conquer')
+  require('../../src/searching/maximum-subarray-divide-and-conquer')
   .maxSubarray;
 
 describe('Maximum subarray implemented with divide and conquer', function () {

From a6c5334ae1dd1b7bffff19cb0295e8432764e6ca Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Tue, 13 Jan 2015 10:35:29 +0200
Subject: [PATCH 075/337] fix sorting namespaces

---
 .../quicksort.js => 3-way-string-quicksort.js}              | 0
 src/sorting/{bubblesort => }/bubblesort.js                  | 0
 src/sorting/{linearsort => }/bucketsort.js                  | 0
 src/sorting/{linearsort => }/countingsort.js                | 0
 src/sorting/{heapsort => }/heapsort.js                      | 0
 src/sorting/{insertionsort => }/insertion-binary-sort.js    | 0
 src/sorting/{insertionsort => }/insertionsort.js            | 0
 src/sorting/{least-significant-digit => }/lsd.js            | 0
 src/sorting/{mergesort => }/mergesort.js                    | 0
 src/sorting/{most-significant-digit => }/msd.js             | 0
 src/sorting/{quicksort => }/quicksort-middle.js             | 0
 src/sorting/{quicksort => }/quicksort.js                    | 0
 src/sorting/{insertionsort => }/recursive-insertionsort.js  | 0
 src/sorting/{selectionsort => }/selectionsort.js            | 0
 src/sorting/{shellsort => }/shellsort.js                    | 0
 .../quicksort.spec.js => 3-way-string-quicksort.spec.js}    | 2 +-
 test/sorting/bubblesort.spec.js                             | 5 +++++
 test/sorting/bubblesort/bubblesort.spec.js                  | 5 -----
 test/sorting/{linearsort => }/bucketsort.spec.js            | 2 +-
 test/sorting/{linearsort => }/countingsort.spec.js          | 2 +-
 test/sorting/heapsort.spec.js                               | 4 ++++
 test/sorting/heapsort/heapsort.spec.js                      | 4 ----
 .../sorting/{insertionsort => }/insertionbinarysort.spec.js | 4 ++--
 test/sorting/insertionsort.spec.js                          | 5 +++++
 test/sorting/insertionsort/insertionsort.spec.js            | 5 -----
 test/sorting/insertionsort/recursiveinsertionsort.spec.js   | 5 -----
 test/sorting/{least-significant-digit => }/lsd.spec.js      | 2 +-
 test/sorting/mergesort.spec.js                              | 5 +++++
 test/sorting/mergesort/mergesort.spec.js                    | 5 -----
 test/sorting/{most-significant-digit => }/msd.spec.js       | 2 +-
 test/sorting/quicksort-middle.spec.js                       | 5 +++++
 test/sorting/quicksort.spec.js                              | 5 +++++
 test/sorting/quicksort/quicksort-middle.spec.js             | 5 -----
 test/sorting/quicksort/quicksort.spec.js                    | 5 -----
 test/sorting/recursiveinsertionsort.spec.js                 | 5 +++++
 test/sorting/selectionsort.spec.js                          | 6 ++++++
 test/sorting/selectionsort/selectionsort.spec.js            | 6 ------
 test/sorting/shellsort.spec.js                              | 5 +++++
 test/sorting/shellsort/shellsort.spec.js                    | 5 -----
 39 files changed, 52 insertions(+), 52 deletions(-)
 rename src/sorting/{3-way-string-quicksort/quicksort.js => 3-way-string-quicksort.js} (100%)
 rename src/sorting/{bubblesort => }/bubblesort.js (100%)
 rename src/sorting/{linearsort => }/bucketsort.js (100%)
 rename src/sorting/{linearsort => }/countingsort.js (100%)
 rename src/sorting/{heapsort => }/heapsort.js (100%)
 rename src/sorting/{insertionsort => }/insertion-binary-sort.js (100%)
 rename src/sorting/{insertionsort => }/insertionsort.js (100%)
 rename src/sorting/{least-significant-digit => }/lsd.js (100%)
 rename src/sorting/{mergesort => }/mergesort.js (100%)
 rename src/sorting/{most-significant-digit => }/msd.js (100%)
 rename src/sorting/{quicksort => }/quicksort-middle.js (100%)
 rename src/sorting/{quicksort => }/quicksort.js (100%)
 rename src/sorting/{insertionsort => }/recursive-insertionsort.js (100%)
 rename src/sorting/{selectionsort => }/selectionsort.js (100%)
 rename src/sorting/{shellsort => }/shellsort.js (100%)
 rename test/sorting/{3-way-string-quicksort/quicksort.spec.js => 3-way-string-quicksort.spec.js} (91%)
 create mode 100644 test/sorting/bubblesort.spec.js
 delete mode 100644 test/sorting/bubblesort/bubblesort.spec.js
 rename test/sorting/{linearsort => }/bucketsort.spec.js (85%)
 rename test/sorting/{linearsort => }/countingsort.spec.js (84%)
 create mode 100644 test/sorting/heapsort.spec.js
 delete mode 100644 test/sorting/heapsort/heapsort.spec.js
 rename test/sorting/{insertionsort => }/insertionbinarysort.spec.js (57%)
 create mode 100644 test/sorting/insertionsort.spec.js
 delete mode 100644 test/sorting/insertionsort/insertionsort.spec.js
 delete mode 100644 test/sorting/insertionsort/recursiveinsertionsort.spec.js
 rename test/sorting/{least-significant-digit => }/lsd.spec.js (91%)
 create mode 100644 test/sorting/mergesort.spec.js
 delete mode 100644 test/sorting/mergesort/mergesort.spec.js
 rename test/sorting/{most-significant-digit => }/msd.spec.js (92%)
 create mode 100644 test/sorting/quicksort-middle.spec.js
 create mode 100644 test/sorting/quicksort.spec.js
 delete mode 100644 test/sorting/quicksort/quicksort-middle.spec.js
 delete mode 100644 test/sorting/quicksort/quicksort.spec.js
 create mode 100644 test/sorting/recursiveinsertionsort.spec.js
 create mode 100644 test/sorting/selectionsort.spec.js
 delete mode 100644 test/sorting/selectionsort/selectionsort.spec.js
 create mode 100644 test/sorting/shellsort.spec.js
 delete mode 100644 test/sorting/shellsort/shellsort.spec.js

diff --git a/src/sorting/3-way-string-quicksort/quicksort.js b/src/sorting/3-way-string-quicksort.js
similarity index 100%
rename from src/sorting/3-way-string-quicksort/quicksort.js
rename to src/sorting/3-way-string-quicksort.js
diff --git a/src/sorting/bubblesort/bubblesort.js b/src/sorting/bubblesort.js
similarity index 100%
rename from src/sorting/bubblesort/bubblesort.js
rename to src/sorting/bubblesort.js
diff --git a/src/sorting/linearsort/bucketsort.js b/src/sorting/bucketsort.js
similarity index 100%
rename from src/sorting/linearsort/bucketsort.js
rename to src/sorting/bucketsort.js
diff --git a/src/sorting/linearsort/countingsort.js b/src/sorting/countingsort.js
similarity index 100%
rename from src/sorting/linearsort/countingsort.js
rename to src/sorting/countingsort.js
diff --git a/src/sorting/heapsort/heapsort.js b/src/sorting/heapsort.js
similarity index 100%
rename from src/sorting/heapsort/heapsort.js
rename to src/sorting/heapsort.js
diff --git a/src/sorting/insertionsort/insertion-binary-sort.js b/src/sorting/insertion-binary-sort.js
similarity index 100%
rename from src/sorting/insertionsort/insertion-binary-sort.js
rename to src/sorting/insertion-binary-sort.js
diff --git a/src/sorting/insertionsort/insertionsort.js b/src/sorting/insertionsort.js
similarity index 100%
rename from src/sorting/insertionsort/insertionsort.js
rename to src/sorting/insertionsort.js
diff --git a/src/sorting/least-significant-digit/lsd.js b/src/sorting/lsd.js
similarity index 100%
rename from src/sorting/least-significant-digit/lsd.js
rename to src/sorting/lsd.js
diff --git a/src/sorting/mergesort/mergesort.js b/src/sorting/mergesort.js
similarity index 100%
rename from src/sorting/mergesort/mergesort.js
rename to src/sorting/mergesort.js
diff --git a/src/sorting/most-significant-digit/msd.js b/src/sorting/msd.js
similarity index 100%
rename from src/sorting/most-significant-digit/msd.js
rename to src/sorting/msd.js
diff --git a/src/sorting/quicksort/quicksort-middle.js b/src/sorting/quicksort-middle.js
similarity index 100%
rename from src/sorting/quicksort/quicksort-middle.js
rename to src/sorting/quicksort-middle.js
diff --git a/src/sorting/quicksort/quicksort.js b/src/sorting/quicksort.js
similarity index 100%
rename from src/sorting/quicksort/quicksort.js
rename to src/sorting/quicksort.js
diff --git a/src/sorting/insertionsort/recursive-insertionsort.js b/src/sorting/recursive-insertionsort.js
similarity index 100%
rename from src/sorting/insertionsort/recursive-insertionsort.js
rename to src/sorting/recursive-insertionsort.js
diff --git a/src/sorting/selectionsort/selectionsort.js b/src/sorting/selectionsort.js
similarity index 100%
rename from src/sorting/selectionsort/selectionsort.js
rename to src/sorting/selectionsort.js
diff --git a/src/sorting/shellsort/shellsort.js b/src/sorting/shellsort.js
similarity index 100%
rename from src/sorting/shellsort/shellsort.js
rename to src/sorting/shellsort.js
diff --git a/test/sorting/3-way-string-quicksort/quicksort.spec.js b/test/sorting/3-way-string-quicksort.spec.js
similarity index 91%
rename from test/sorting/3-way-string-quicksort/quicksort.spec.js
rename to test/sorting/3-way-string-quicksort.spec.js
index 0fcf13e5..57d8114a 100644
--- a/test/sorting/3-way-string-quicksort/quicksort.spec.js
+++ b/test/sorting/3-way-string-quicksort.spec.js
@@ -1,5 +1,5 @@
 var quicksort =
-  require('../../../src/sorting/3-way-string-quicksort/quicksort.js').quicksort;
+  require('../../src/sorting/3-way-string-quicksort.js').quicksort;
 
 describe('Most-Significant Digit', function () {
   'use strict';
diff --git a/test/sorting/bubblesort.spec.js b/test/sorting/bubblesort.spec.js
new file mode 100644
index 00000000..d0cf17b4
--- /dev/null
+++ b/test/sorting/bubblesort.spec.js
@@ -0,0 +1,5 @@
+var sortTestCase = require('./sort.testcase.js');
+var bubbleSort =
+      require('../../src/sorting/bubblesort.js').bubbleSort;
+
+sortTestCase(bubbleSort, 'Bubble sort');
diff --git a/test/sorting/bubblesort/bubblesort.spec.js b/test/sorting/bubblesort/bubblesort.spec.js
deleted file mode 100644
index 281d5ac6..00000000
--- a/test/sorting/bubblesort/bubblesort.spec.js
+++ /dev/null
@@ -1,5 +0,0 @@
-var sortTestCase = require('../sort.testcase.js');
-var bubbleSort =
-      require('../../../src/sorting/bubblesort/bubblesort.js').bubbleSort;
-
-sortTestCase(bubbleSort, 'Bubble sort');
diff --git a/test/sorting/linearsort/bucketsort.spec.js b/test/sorting/bucketsort.spec.js
similarity index 85%
rename from test/sorting/linearsort/bucketsort.spec.js
rename to test/sorting/bucketsort.spec.js
index 839ca502..cbae094e 100644
--- a/test/sorting/linearsort/bucketsort.spec.js
+++ b/test/sorting/bucketsort.spec.js
@@ -1,5 +1,5 @@
 var bs =
-  require('../../../src/sorting/linearsort/bucketsort').bucketSort;
+  require('../../src/sorting/bucketsort').bucketSort;
 
 describe('bucketsort', function () {
   'use strict';
diff --git a/test/sorting/linearsort/countingsort.spec.js b/test/sorting/countingsort.spec.js
similarity index 84%
rename from test/sorting/linearsort/countingsort.spec.js
rename to test/sorting/countingsort.spec.js
index c392c482..4d5cf771 100644
--- a/test/sorting/linearsort/countingsort.spec.js
+++ b/test/sorting/countingsort.spec.js
@@ -1,5 +1,5 @@
 var cs =
-  require('../../../src/sorting/linearsort/countingsort').countingSort;
+  require('../../src/sorting/countingsort').countingSort;
 
 describe('countingsort', function () {
   'use strict';
diff --git a/test/sorting/heapsort.spec.js b/test/sorting/heapsort.spec.js
new file mode 100644
index 00000000..2546a007
--- /dev/null
+++ b/test/sorting/heapsort.spec.js
@@ -0,0 +1,4 @@
+var sortTestCase = require('./sort.testcase.js');
+var heapSort = require('../../src/sorting/heapsort.js').heapSort;
+
+sortTestCase(heapSort, 'Heap sort');
diff --git a/test/sorting/heapsort/heapsort.spec.js b/test/sorting/heapsort/heapsort.spec.js
deleted file mode 100644
index eb9441b3..00000000
--- a/test/sorting/heapsort/heapsort.spec.js
+++ /dev/null
@@ -1,4 +0,0 @@
-var sortTestCase = require('../sort.testcase.js');
-var heapSort = require('../../../src/sorting/heapsort/heapsort.js').heapSort;
-
-sortTestCase(heapSort, 'Heap sort');
diff --git a/test/sorting/insertionsort/insertionbinarysort.spec.js b/test/sorting/insertionbinarysort.spec.js
similarity index 57%
rename from test/sorting/insertionsort/insertionbinarysort.spec.js
rename to test/sorting/insertionbinarysort.spec.js
index 43bed4d8..6718b240 100644
--- a/test/sorting/insertionsort/insertionbinarysort.spec.js
+++ b/test/sorting/insertionbinarysort.spec.js
@@ -1,6 +1,6 @@
-var sortTestCase = require('../sort.testcase.js');
+var sortTestCase = require('./sort.testcase.js');
 var insertionBinarySort =
-      require('../../../src/sorting/insertionsort/' +
+      require('../../src/sorting/' +
       'insertion-binary-sort.js').insertionBinarySort;
 
 sortTestCase(insertionBinarySort, 'Insertion binary sort');
diff --git a/test/sorting/insertionsort.spec.js b/test/sorting/insertionsort.spec.js
new file mode 100644
index 00000000..0be5a50d
--- /dev/null
+++ b/test/sorting/insertionsort.spec.js
@@ -0,0 +1,5 @@
+var sortTestCase = require('./sort.testcase.js');
+var insertionSort = require('../../src/sorting/' +
+      'insertionsort.js').insertionSort;
+
+sortTestCase(insertionSort, 'Insertion sort');
diff --git a/test/sorting/insertionsort/insertionsort.spec.js b/test/sorting/insertionsort/insertionsort.spec.js
deleted file mode 100644
index d1bb8e3d..00000000
--- a/test/sorting/insertionsort/insertionsort.spec.js
+++ /dev/null
@@ -1,5 +0,0 @@
-var sortTestCase = require('../sort.testcase.js');
-var insertionSort = require('../../../src/sorting/insertionsort/' +
-      'insertionsort.js').insertionSort;
-
-sortTestCase(insertionSort, 'Insertion sort');
diff --git a/test/sorting/insertionsort/recursiveinsertionsort.spec.js b/test/sorting/insertionsort/recursiveinsertionsort.spec.js
deleted file mode 100644
index ab883083..00000000
--- a/test/sorting/insertionsort/recursiveinsertionsort.spec.js
+++ /dev/null
@@ -1,5 +0,0 @@
-var sortTestCase = require('../sort.testcase.js');
-var recursiveInsertionSort = require('../../../src/sorting/' +
-      'insertionsort/recursive-insertionsort.js').recursiveInsertionSort;
-
-sortTestCase(recursiveInsertionSort, 'Recursive insertion sort');
diff --git a/test/sorting/least-significant-digit/lsd.spec.js b/test/sorting/lsd.spec.js
similarity index 91%
rename from test/sorting/least-significant-digit/lsd.spec.js
rename to test/sorting/lsd.spec.js
index 6115998d..738ae492 100644
--- a/test/sorting/least-significant-digit/lsd.spec.js
+++ b/test/sorting/lsd.spec.js
@@ -1,4 +1,4 @@
-var lsd = require('../../../src/sorting/least-significant-digit/lsd.js').lsd;
+var lsd = require('../../src/sorting/lsd.js').lsd;
 
 describe('Least-Significant Digit', function () {
   'use strict';
diff --git a/test/sorting/mergesort.spec.js b/test/sorting/mergesort.spec.js
new file mode 100644
index 00000000..528d0a55
--- /dev/null
+++ b/test/sorting/mergesort.spec.js
@@ -0,0 +1,5 @@
+var sortTestCase = require('./sort.testcase.js');
+var mergeSort =
+      require('../../src/sorting/mergesort.js').mergeSort;
+
+sortTestCase(mergeSort, 'Merge sort');
diff --git a/test/sorting/mergesort/mergesort.spec.js b/test/sorting/mergesort/mergesort.spec.js
deleted file mode 100644
index e8bfa78e..00000000
--- a/test/sorting/mergesort/mergesort.spec.js
+++ /dev/null
@@ -1,5 +0,0 @@
-var sortTestCase = require('../sort.testcase.js');
-var mergeSort =
-      require('../../../src/sorting/mergesort/mergesort.js').mergeSort;
-
-sortTestCase(mergeSort, 'Merge sort');
diff --git a/test/sorting/most-significant-digit/msd.spec.js b/test/sorting/msd.spec.js
similarity index 92%
rename from test/sorting/most-significant-digit/msd.spec.js
rename to test/sorting/msd.spec.js
index b1f4bc74..245acfbd 100644
--- a/test/sorting/most-significant-digit/msd.spec.js
+++ b/test/sorting/msd.spec.js
@@ -1,4 +1,4 @@
-var msd = require('../../../src/sorting/most-significant-digit/msd.js').msd;
+var msd = require('../../src/sorting/msd.js').msd;
 
 describe('Most-Significant Digit', function () {
   'use strict';
diff --git a/test/sorting/quicksort-middle.spec.js b/test/sorting/quicksort-middle.spec.js
new file mode 100644
index 00000000..02745cb2
--- /dev/null
+++ b/test/sorting/quicksort-middle.spec.js
@@ -0,0 +1,5 @@
+var sortTestCase = require('./sort.testcase.js');
+var quickSort =
+      require('../../src/sorting/quicksort-middle.js').quickSort;
+
+sortTestCase(quickSort, 'Quick sort');
diff --git a/test/sorting/quicksort.spec.js b/test/sorting/quicksort.spec.js
new file mode 100644
index 00000000..2d1e6baa
--- /dev/null
+++ b/test/sorting/quicksort.spec.js
@@ -0,0 +1,5 @@
+var sortTestCase = require('./sort.testcase.js');
+var quickSort =
+      require('../../src/sorting/quicksort.js').quickSort;
+
+sortTestCase(quickSort, 'Quick sort');
diff --git a/test/sorting/quicksort/quicksort-middle.spec.js b/test/sorting/quicksort/quicksort-middle.spec.js
deleted file mode 100644
index 4ba1efdb..00000000
--- a/test/sorting/quicksort/quicksort-middle.spec.js
+++ /dev/null
@@ -1,5 +0,0 @@
-var sortTestCase = require('../sort.testcase.js');
-var quickSort =
-      require('../../../src/sorting/quicksort/quicksort-middle.js').quickSort;
-
-sortTestCase(quickSort, 'Quick sort');
diff --git a/test/sorting/quicksort/quicksort.spec.js b/test/sorting/quicksort/quicksort.spec.js
deleted file mode 100644
index 2a0be8bf..00000000
--- a/test/sorting/quicksort/quicksort.spec.js
+++ /dev/null
@@ -1,5 +0,0 @@
-var sortTestCase = require('../sort.testcase.js');
-var quickSort =
-      require('../../../src/sorting/quicksort/quicksort.js').quickSort;
-
-sortTestCase(quickSort, 'Quick sort');
diff --git a/test/sorting/recursiveinsertionsort.spec.js b/test/sorting/recursiveinsertionsort.spec.js
new file mode 100644
index 00000000..1f9d409a
--- /dev/null
+++ b/test/sorting/recursiveinsertionsort.spec.js
@@ -0,0 +1,5 @@
+var sortTestCase = require('./sort.testcase.js');
+var recursiveInsertionSort = require('../../src/sorting/' +
+      'recursive-insertionsort.js').recursiveInsertionSort;
+
+sortTestCase(recursiveInsertionSort, 'Recursive insertion sort');
diff --git a/test/sorting/selectionsort.spec.js b/test/sorting/selectionsort.spec.js
new file mode 100644
index 00000000..d36ad19a
--- /dev/null
+++ b/test/sorting/selectionsort.spec.js
@@ -0,0 +1,6 @@
+var sortTestCase = require('./sort.testcase.js');
+var selectionSort =
+      require('../../src/sorting/selectionsort.js')
+      .selectionSort;
+
+sortTestCase(selectionSort, 'Selection sort');
diff --git a/test/sorting/selectionsort/selectionsort.spec.js b/test/sorting/selectionsort/selectionsort.spec.js
deleted file mode 100644
index 0655a1bc..00000000
--- a/test/sorting/selectionsort/selectionsort.spec.js
+++ /dev/null
@@ -1,6 +0,0 @@
-var sortTestCase = require('../sort.testcase.js');
-var selectionSort =
-      require('../../../src/sorting/selectionsort/selectionsort.js')
-      .selectionSort;
-
-sortTestCase(selectionSort, 'Selection sort');
diff --git a/test/sorting/shellsort.spec.js b/test/sorting/shellsort.spec.js
new file mode 100644
index 00000000..ec644711
--- /dev/null
+++ b/test/sorting/shellsort.spec.js
@@ -0,0 +1,5 @@
+var sortTestCase = require('./sort.testcase.js');
+var shellSort = require('../../src/sorting/shellsort.js')
+      .shellSort;
+
+sortTestCase(shellSort, 'Shell sort');
diff --git a/test/sorting/shellsort/shellsort.spec.js b/test/sorting/shellsort/shellsort.spec.js
deleted file mode 100644
index 34f56c06..00000000
--- a/test/sorting/shellsort/shellsort.spec.js
+++ /dev/null
@@ -1,5 +0,0 @@
-var sortTestCase = require('../sort.testcase.js');
-var shellSort = require('../../../src/sorting/shellsort/shellsort.js')
-      .shellSort;
-
-sortTestCase(shellSort, 'Shell sort');

From dc52d5f3b3b7b874359b8e36c1ebe7455a1961f4 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Tue, 13 Jan 2015 11:24:04 +0200
Subject: [PATCH 076/337] add kmp jsdoc

---
 src/searching/knuth-morris-pratt.js | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/searching/knuth-morris-pratt.js b/src/searching/knuth-morris-pratt.js
index 8c0c7200..c29be4c1 100644
--- a/src/searching/knuth-morris-pratt.js
+++ b/src/searching/knuth-morris-pratt.js
@@ -27,6 +27,24 @@
       return res;
     }
 
+    /**
+     * Knuth–Morris–Pratt algorithm. Searches for the position of
+     * the first occurrence of a specified value in a string.
+     *
+     * @example
+     *
+     * var indexOf = require('path-to-algorithm/src/searching/'+
+     * 'knuth-morris-pratt').kmp;
+     * console.log(indexOf('hello', 'll')); // 2
+     *
+     * @public
+     * @module searching/knuth-morris-pratt
+     * @param {String} str String.
+     * @param {String} substr Substring.
+     * @return {Number} A Number, representing the position
+     * where the specified substring occurs for the first
+     * time, or -1 if it never occurs.
+     */
     function indexOf(str, substr) {
       var table = builtKMPTable(substr);
       var i = 0;
@@ -54,4 +72,4 @@
 
   exports.kmp = kmp;
 
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);

From e0685b80a62fdb5effeb97bc2b7e9fa3775169ba Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Tue, 13 Jan 2015 11:41:26 +0200
Subject: [PATCH 077/337] jsdooc for the longest increasing subsequence

---
 .../longest-increasing-subsequence.js         | 58 +++++++++++--------
 1 file changed, 33 insertions(+), 25 deletions(-)

diff --git a/src/searching/longest-increasing-subsequence.js b/src/searching/longest-increasing-subsequence.js
index f7fd2441..54129632 100644
--- a/src/searching/longest-increasing-subsequence.js
+++ b/src/searching/longest-increasing-subsequence.js
@@ -1,26 +1,17 @@
 (function (exports) {
   'use strict';
 
-  /**
-   * Algorithm from dynamic programming.
-   * It finds the longest sub-sequence of
-   * increasing numbers. It is not required
-   * the numbers to be neighboring.
-   *
-   * Example:
-   *     1,5,2
-   * The longest sub-sequence is 1,2.
-   */
   exports.longestSubsequence = (function () {
 
    /**
     * Find the index of the first largest element in array.
-    * Complexity O(n).
+    * Complexity: O(N).
     *
-    * @param {Array}    array The array in which the largest
-    *  element should be found
-    * @param {Function} cmp   Function used for comparison
-    * @return {number}        The index of the first largest element
+    * @private
+    * @param {Array} array The array in which the largest
+    *  element should be found.
+    * @param {Function} cmp Function used for comparison.
+    * @return {Number} index of the first largest element
     */
     function max(array, cmp) {
       if (!array || !array.length) {
@@ -40,6 +31,7 @@
 
    /**
     * Default comparison method.
+    * @private
     */
     function cmp(a, b) {
       return a.distance - b.distance;
@@ -48,11 +40,11 @@
    /**
     * Creates directed graph from given array.
     * Each element's neighbours are the elements which can be
-    * after the element in the resulting sequence.
-    * Complexity O(n^2).
-    *
-    * @param  {Array} array The input array
-    * @return {Object}      Graph represented with list of neighbours
+    * after the element in the resulting sequence.<br><br>
+    * Complexity: O(N^2).
+    * @private
+    * @param  {Array} array The input array.
+    * @return {Object} Graph represented with list of neighbours.
     */
     function buildDag(array) {
       var result = [];
@@ -68,12 +60,12 @@
     }
 
    /**
-    * Finds the longest sub-sequence for given node.
-    * O(n^n).
-    *
+    * Finds the longest sub-sequence for given node.<br><br>
+    * Complexity: O(N^N).
+    * @private
     * @param {Object} dag  Graph represented with list of neighbours.
     * @param {number} node The current node.
-    * @return {object}     The longest sub-sequence for given node.
+    * @return {object} The longest sub-sequence for given node.
     */
     function find(dag, node) {
       node = node || 0;
@@ -106,6 +98,22 @@
       return result;
     }
 
+    /**
+     * Algorithm from dynamic programming. It finds the longest
+     * sub-sequence of increasing numbers. It is not required
+     * the numbers to be neighboring. For example for 1, 5, 2
+     * sequence the longest sub-sequence is 1, 2.
+     *
+     * @example
+     * var subsequence = require('path-to-algorithms/src/searching/'+
+     * 'longest-increasing-subsequence').longestSubsequence;
+     * console.log(subsequence([1, 0, 4, 3, 5])); // 1, 4, 5
+     *
+     * @public
+     * @module searching/longest-increasing-subsequence
+     * @param {Array} array Input sequence.
+     * @return {Array} Longest increasing subsequence.
+     */
     return function (array) {
       var results = [];
       var dag = buildDag(array);
@@ -124,4 +132,4 @@
     };
   })();
 
-}(typeof exports === 'undefined' ? exports : this));
+})(typeof window === 'undefined' ? module.exports : window);

From fc412bb4c27568233e66f95111381cc444355a12 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Tue, 13 Jan 2015 12:02:01 +0200
Subject: [PATCH 078/337] add maximum-subarray-divide-and-conquer jsdoc

---
 .../maximum-subarray-divide-and-conquer.js    | 50 +++++++++++--------
 1 file changed, 28 insertions(+), 22 deletions(-)

diff --git a/src/searching/maximum-subarray-divide-and-conquer.js b/src/searching/maximum-subarray-divide-and-conquer.js
index bde7143d..31a7dd66 100644
--- a/src/searching/maximum-subarray-divide-and-conquer.js
+++ b/src/searching/maximum-subarray-divide-and-conquer.js
@@ -1,20 +1,15 @@
-/**
- * Finds the maximum subarray using the divide and conquer algorithm
- * by Bentley, Jon (1984) (complexity O(n(logn)));
- */
-
 (function (exports) {
   'use strict';
 
   /**
    * Accepts an array and range. Finds the maximum sum of elements
    * around the middle of the range.
-   *
-   * @param {array} array
-   * @param {number} left - the left interval of the range
-   * @param {number} middle - the middle of the range
-   * @param {number} right - the right side of the range
-   * @return {number} the maximum sum including the middle element
+   * @private
+   * @param {Array} array Input array.
+   * @param {Number} left Left interval of the range.
+   * @param {Number} middle Middle of the range.
+   * @param {Number} right Right side of the range.
+   * @return {Number} The maximum sum including the middle element.
    */
   function crossSubarray(array, left, middle, right) {
     var leftSum = -Infinity;
@@ -39,13 +34,12 @@
   }
 
   /**
-   * Using divide and conquer finds the maximum sum of subarray of the given
-   *
-   * @param {array} array
-   * @param {number} left side of the range
-   * @param {number} the right side of the range
-   * @return {number} the maximum sum of the elements of
-   *                      subarray whithin the given range
+   * @private
+   * @param {Array} array Input array.
+   * @param {Number} left Left side of the range.
+   * @param {Number} right Right side of the range.
+   * @return {Number} Maximum sum of the elements of
+   * subarray whithin the given range.
    */
   function maxSubarrayPartitioner(array, left, right) {
     if (right - left <= 1) {
@@ -60,10 +54,22 @@
   }
 
   /**
-   * Returns the maximum sum of the elements of a subarray of the given array
+   * Finds the maximum sum of the elements of a subarray in a given array
+   * using the divide and conquer algorithm by Bentley, Jon (1984).
+   * For example, for the sequence of values -2, 1, -3, 4, -1, 2, 1, -5, 4
+   * the contiguous subarray with the largest sum is 4, -1, 2, 1, with sum 6.
+   * <br><br>
+   * Time complexity: O(N log N).
+   *
+   * @example
+   * var max = require('path-to-algorithms/src/searching/'+
+   * 'maximum-subarray-divide-and-conquer').maxSubarray;
+   * console.log(max([-2, 1, -3, 4, -1, 2, 1, -5, 4])); // 6
    *
-   * @param {array} the array
-   * @return the maximum sum
+   * @public
+   * @module searching/maximum-subarray-divide-and-conquer
+   * @param {Array} array Input array.
+   * @return {Number} Maximum sum of the elements of a subarray.
    */
   function maxSubarray(array) {
     return maxSubarrayPartitioner(array, 0, array.length);
@@ -71,4 +77,4 @@
 
   exports.maxSubarray = maxSubarray;
 
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);

From 2849ea921a172d482bda50f805490b3c6a66c5b3 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Tue, 13 Jan 2015 12:09:20 +0200
Subject: [PATCH 079/337] max-subarray jsdoc

---
 src/searching/maximum-subarray.js | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/src/searching/maximum-subarray.js b/src/searching/maximum-subarray.js
index 11fd8f2f..4628369e 100644
--- a/src/searching/maximum-subarray.js
+++ b/src/searching/maximum-subarray.js
@@ -2,15 +2,22 @@
   'use strict';
 
   /**
-   * Finds the maximum sum of subarray's element of given array
-   * using the Kadane's algorithm
-   * It's complexity is O(n). The algorithm can be found here:
-   * https://en.wikipedia.org/wiki/Maximum_subarray_problem#Kadane.27s_algorithm
+   * Finds the maximum sum of the elements of a subarray in a given array
+   * using the Kadane's algorithm.
+   * For example, for the sequence of values -2, 1, -3, 4, -1, 2, 1, -5, 4
+   * the contiguous subarray with the largest sum is 4, -1, 2, 1, with sum 6.
+   * <br><br>
+   * Time complexity: O(N).
+   *
+   * @example
+   * var max = require('path-to-algorithms/src/searching/'+
+   * 'maximum-subarray').maxSubarray;
+   * console.log(max([-2, 1, -3, 4, -1, 2, 1, -5, 4])); // 6
    *
    * @public
-   * @param {array} array Input array
-   * @returns {number} max The maximum sum of
-   *   the elements of subarray of the input
+   * @module searching/maximum-subarray
+   * @param {Array} array Input array.
+   * @return {Number} Maximum sum of the elements of a subarray.
    */
   function maxSubarray(array) {
     var currentMax = 0;
@@ -25,4 +32,4 @@
 
   exports.maxSubarray = maxSubarray;
 
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);

From 18968afb2103672ba442e45aa8d3091e0e6823c0 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Tue, 13 Jan 2015 12:28:00 +0200
Subject: [PATCH 080/337] quickselect jsdoc

---
 src/searching/quickselect.js | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/src/searching/quickselect.js b/src/searching/quickselect.js
index d49ca2e6..6a16457f 100644
--- a/src/searching/quickselect.js
+++ b/src/searching/quickselect.js
@@ -1,7 +1,26 @@
 (function (exports) {
   'use strict';
 
-  // O(n)
+  /**
+   * Returns the n-th smallest element of list within
+   * lo..hi inclusive (i.e. lo <= n <= hi).<br><br>
+   * Time complexity: O(N).
+   *
+   * @example
+   *
+   * var quickselect = require('path-to-algorithms/src/searching/'+
+   * 'quickselect').quickselect;
+   * var result = quickselect([5, 1, 2, 2, 0, 3], 1, 0, 5);
+   * console.log(result); // 1
+   *
+   * @public
+   * @module searching/quickselect
+   * @param {Array} arr Input array.
+   * @param {Number} n A number of an element.
+   * @param {Number} lo Low index.
+   * @param {Number} lo High index.
+   * @return Returns n-th smallest element.
+   */
   function quickselect(arr, n, lo, hi) {
     function partition(arr, lo, hi, pivotIdx) {
       function swap(arr, i, j) {
@@ -45,4 +64,4 @@
   }
   exports.quickselect = quickselect;
 
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);

From 89f0caad3dbc1361745423b80be978baa901645e Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Tue, 13 Jan 2015 16:00:48 +0200
Subject: [PATCH 081/337] quickfind jsdoc

---
 doc-config.json       |  3 ++-
 src/sets/quickfind.js | 54 ++++++++++++++++++++++++++-----------------
 2 files changed, 35 insertions(+), 22 deletions(-)

diff --git a/doc-config.json b/doc-config.json
index 0ecc43b0..db96100b 100644
--- a/doc-config.json
+++ b/doc-config.json
@@ -12,7 +12,8 @@
             "./src/combinatorics/",
             "./src/primes/",
             "./src/others/",
-            "./src/searching/"
+            "./src/searching/",
+            "./src/sets/"
         ],
         "includePattern": ".+\\.js(doc)?$",
         "excludePattern": "docs"
diff --git a/src/sets/quickfind.js b/src/sets/quickfind.js
index 67785715..9bc25ffe 100644
--- a/src/sets/quickfind.js
+++ b/src/sets/quickfind.js
@@ -1,12 +1,33 @@
+/**
+ * Keeps track of a set of elements partitioned into a
+ * number of disjoint (nonoverlapping) subsets.
+ *
+ * @example
+ *
+ * var QuickFind = require('path-to-algorithms/src/sets/quickfind').QuickFind;
+ *
+ * var find = new QuickFind(10);
+ * find.union(0, 1);
+ * find.union(2, 1);
+ * find.union(3, 4);
+ * find.union(8, 9);
+ * find.union(4, 8);
+ *
+ * console.log(find.connected(0, 9)); // false
+ * console.log(find.connected(3, 9)); // true
+ *
+ * @public
+ * @module sets/quickfind
+ */
 (function (exports) {
   'use strict';
 
   /**
-   * Checks whether there is a path between two nodes.
-   * The initialization is O(n).
+   * Initialization.<br><br>
+   * Complexity: O(N).
    *
    * @constructor
-   * @param {numner} size The count of the nodes
+   * @param {Numner} size Count of the nodes.
    */
   function QuickFind(size) {
     this._ids = [];
@@ -16,11 +37,11 @@
   }
 
   /**
-   * Connects two nodes - p and q.
-   * Complexity O(n).
+   * Connects two nodes - p and q.<br><br>
+   * Complexity: O(N).
    *
-   * @param {number} p The first node
-   * @param {number} q The second node
+   * @param {Number} p The first node.
+   * @param {Number} q The second node.
    */
   QuickFind.prototype.union = function (p, q) {
     var size = this._ids.length;
@@ -34,11 +55,11 @@
   };
 
   /**
-   * Checks whether two nodes are connected.
-   * Complexity O(1).
+   * Checks whether two nodes are connected.<br><br>
+   * Complexity: O(1).
    *
-   * @param {number} p The first node
-   * @param {number} q The second node
+   * @param {number} p The first node.
+   * @param {number} q The second node.
    *
    */
   QuickFind.prototype.connected = function (p, q) {
@@ -47,13 +68,4 @@
 
   exports.QuickFind = QuickFind;
 
-  //var find = new QuickFind(10);
-  //find.union(0, 1);
-  //find.union(2, 1);
-  //find.union(3, 4);
-  //find.union(8, 9);
-  //find.union(4, 8);
-  //
-  //console.log(find.connected(0, 9)); //expected false
-  //console.log(find.connected(3, 9)); //expected true
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);

From 98b5b4acbe93a0858e904a133d0040c159f6fef6 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Tue, 13 Jan 2015 17:26:00 +0200
Subject: [PATCH 082/337] fix quickfind jsdoc

---
 src/sets/quickfind.js | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/src/sets/quickfind.js b/src/sets/quickfind.js
index 9bc25ffe..93809cab 100644
--- a/src/sets/quickfind.js
+++ b/src/sets/quickfind.js
@@ -1,6 +1,7 @@
 /**
  * Keeps track of a set of elements partitioned into a
  * number of disjoint (nonoverlapping) subsets.
+ * Allows to check whether the path between two nodes exists.
  *
  * @example
  *
@@ -26,24 +27,27 @@
    * Initialization.<br><br>
    * Complexity: O(N).
    *
+   * @public
    * @constructor
    * @param {Numner} size Count of the nodes.
    */
-  function QuickFind(size) {
+  exports.QuickFind = function (size) {
     this._ids = [];
     for (var i = 0; i < size; i += 1) {
       this._ids[i] = i;
     }
-  }
+  };
 
   /**
    * Connects two nodes - p and q.<br><br>
    * Complexity: O(N).
    *
+   * @public
+   * @method
    * @param {Number} p The first node.
    * @param {Number} q The second node.
    */
-  QuickFind.prototype.union = function (p, q) {
+  exports.QuickFind.prototype.union = function (p, q) {
     var size = this._ids.length;
     var pval = this._ids[p];
     var qval = this._ids[q];
@@ -58,14 +62,14 @@
    * Checks whether two nodes are connected.<br><br>
    * Complexity: O(1).
    *
-   * @param {number} p The first node.
-   * @param {number} q The second node.
-   *
+   * @public
+   * @method
+   * @param {Number} p The first node.
+   * @param {Number} q The second node.
+   * @return {Boolean}
    */
-  QuickFind.prototype.connected = function (p, q) {
+  exports.QuickFind.prototype.connected = function (p, q) {
     return this._ids[p] === this._ids[q];
   };
 
-  exports.QuickFind = QuickFind;
-
 })(typeof window === 'undefined' ? module.exports : window);

From 007f1a9d7c13b67465761f6203a23301bbdb0363 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Tue, 13 Jan 2015 17:37:23 +0200
Subject: [PATCH 083/337] add quickunion jsdoc

---
 src/sets/quickfind.js  | 16 ++++-----
 src/sets/quickunion.js | 75 +++++++++++++++++++++++++-----------------
 2 files changed, 53 insertions(+), 38 deletions(-)

diff --git a/src/sets/quickfind.js b/src/sets/quickfind.js
index 93809cab..40f97df3 100644
--- a/src/sets/quickfind.js
+++ b/src/sets/quickfind.js
@@ -7,15 +7,15 @@
  *
  * var QuickFind = require('path-to-algorithms/src/sets/quickfind').QuickFind;
  *
- * var find = new QuickFind(10);
- * find.union(0, 1);
- * find.union(2, 1);
- * find.union(3, 4);
- * find.union(8, 9);
- * find.union(4, 8);
+ * var qfind = new QuickFind(10);
+ * qfind.union(0, 1);
+ * qfind.union(2, 1);
+ * qfind.union(3, 4);
+ * qfind.union(8, 9);
+ * qfind.union(4, 8);
  *
- * console.log(find.connected(0, 9)); // false
- * console.log(find.connected(3, 9)); // true
+ * console.log(qfind.connected(0, 9)); // false
+ * console.log(qfind.connected(3, 9)); // true
  *
  * @public
  * @module sets/quickfind
diff --git a/src/sets/quickunion.js b/src/sets/quickunion.js
index 5413c6d2..bbc8bcaa 100644
--- a/src/sets/quickunion.js
+++ b/src/sets/quickunion.js
@@ -1,29 +1,53 @@
+/**
+ * Keeps track of a set of elements partitioned into a
+ * number of disjoint (nonoverlapping) subsets.
+ * Allows to check whether the path between two nodes exists.
+ *
+ * @example
+ *
+ * var QuickUnion = require('path-to-algorithms/' +
+ * 'src/sets/quickunion').QuickUnion;
+ *
+ * var qunion = new QuickUnion(10);
+ * qunion.union(0, 1);
+ * qunion.union(2, 1);
+ * qunion.union(3, 4);
+ * qunion.union(8, 9);
+ * qunion.union(4, 8);
+ *
+ * console.log(qunion.connected(0, 9)); // false
+ * console.log(qunion.connected(3, 9)); // true
+ *
+ * @public
+ * @module sets/quickunion
+ */
+
 (function (exports) {
   'use strict';
 
   /**
-   * Checks whether path between two nodes exists.
-   * The initialization has O(n) complexity.
+   * Initialization.<br><br>
+   * Complexity: O(N).
    *
+   * @public
    * @constructor
-   * @param {number} n Nodes count
-   *
+   * @param {Numner} size Count of the nodes.
    */
-  function QuickUnion(n) {
+  exports.QuickUnion = function (n) {
     this._ids = [];
     for (var i = 0; i < n; i += 1) {
       this._ids[i] = i;
     }
-  }
+  };
 
   /**
-   * Finds the root of given node.
-   * Complexity O(n).
-   *
-   * @param {number} i The given node
-   * @return {number} The root of the given node
+   * Finds the root of given node.<br><br>
+   * Complexity: O(N).
+   * @private
+   * @param {Number} i The given node.
+   * @return {Number} Root of the given node.
    */
-  QuickUnion.prototype._root = function (i) {
+  exports.QuickUnion.prototype._root = function (i) {
     while (i !== this._ids[i]) {
       i = this._ids[i];
     }
@@ -31,13 +55,15 @@
   };
 
   /**
-   * Unions two nodes.
-   * Complexity O(n).
+   * Connects two nodes - p and q.<br><br>
+   * Complexity: O(N).
    *
-   * @param {number} p The first node
-   * @param {number} q The second node
+   * @public
+   * @method
+   * @param {Number} p The first node.
+   * @param {Number} q The second node.
    */
-  QuickUnion.prototype.union = function (p, q) {
+  exports.QuickUnion.prototype.union = function (p, q) {
     var pRoot = this._root(p);
     var qRoot = this._root(q);
     this._ids[pRoot] = qRoot;
@@ -51,18 +77,7 @@
    * @param {number} q The second node.
    * @return {boolean} True/false depending on whether the nodes are connected.
    */
-  QuickUnion.prototype.connected = function (p, q) {
+  exports.QuickUnion.prototype.connected = function (p, q) {
     return this._root(p) === this._root(q);
   };
-
-  //var union = new QuickUnion(10);
-  //union.union(0, 1);
-  //union.union(2, 1);
-  //union.union(3, 4);
-  //union.union(8, 9);
-  //union.union(4, 8);
-  //
-  //console.log(union.connected(0, 9)); //expected false
-  //console.log(union.connected(3, 9)); //expected true
-  exports.QuickUnion = QuickUnion;
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);

From 52ee34794ba21975d7d283ade5a0848b82962702 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Tue, 13 Jan 2015 17:45:50 +0200
Subject: [PATCH 084/337] weighted quickunion jsdoc

---
 src/sets/quickfind.js        |  7 ++-
 src/sets/quickunion.js       | 16 +++----
 src/sets/weightquickunion.js | 83 ++++++++++++++++++++++--------------
 3 files changed, 61 insertions(+), 45 deletions(-)

diff --git a/src/sets/quickfind.js b/src/sets/quickfind.js
index 40f97df3..15ab2fa7 100644
--- a/src/sets/quickfind.js
+++ b/src/sets/quickfind.js
@@ -25,7 +25,7 @@
 
   /**
    * Initialization.<br><br>
-   * Complexity: O(N).
+   * Time complexity: O(N).
    *
    * @public
    * @constructor
@@ -40,7 +40,7 @@
 
   /**
    * Connects two nodes - p and q.<br><br>
-   * Complexity: O(N).
+   * Time complexity: O(N).
    *
    * @public
    * @method
@@ -60,7 +60,7 @@
 
   /**
    * Checks whether two nodes are connected.<br><br>
-   * Complexity: O(1).
+   * Time complexity: O(1).
    *
    * @public
    * @method
@@ -71,5 +71,4 @@
   exports.QuickFind.prototype.connected = function (p, q) {
     return this._ids[p] === this._ids[q];
   };
-
 })(typeof window === 'undefined' ? module.exports : window);
diff --git a/src/sets/quickunion.js b/src/sets/quickunion.js
index bbc8bcaa..21f6b8d8 100644
--- a/src/sets/quickunion.js
+++ b/src/sets/quickunion.js
@@ -27,7 +27,7 @@
 
   /**
    * Initialization.<br><br>
-   * Complexity: O(N).
+   * Time complexity: O(N).
    *
    * @public
    * @constructor
@@ -42,7 +42,7 @@
 
   /**
    * Finds the root of given node.<br><br>
-   * Complexity: O(N).
+   * Time complexity: O(N).
    * @private
    * @param {Number} i The given node.
    * @return {Number} Root of the given node.
@@ -56,7 +56,7 @@
 
   /**
    * Connects two nodes - p and q.<br><br>
-   * Complexity: O(N).
+   * Time complexity: O(N).
    *
    * @public
    * @method
@@ -70,12 +70,12 @@
   };
 
   /**
-   * Checks whether two nodes are connected.
-   * Complexity O(n).
+   * Checks whether two nodes are connected.<br><br>
+   * Time complexity: O(N).
    *
-   * @param {number} p The first node.
-   * @param {number} q The second node.
-   * @return {boolean} True/false depending on whether the nodes are connected.
+   * @param {Number} p The first node.
+   * @param {Number} q The second node.
+   * @return {Boolean} True/false depending on whether the nodes are connected.
    */
   exports.QuickUnion.prototype.connected = function (p, q) {
     return this._root(p) === this._root(q);
diff --git a/src/sets/weightquickunion.js b/src/sets/weightquickunion.js
index d20879fe..f541320c 100644
--- a/src/sets/weightquickunion.js
+++ b/src/sets/weightquickunion.js
@@ -1,30 +1,55 @@
+/**
+ * Keeps track of a set of elements partitioned into a
+ * number of disjoint (nonoverlapping) subsets.
+ * Allows to check whether the path between two nodes exists.
+ *
+ * @example
+ *
+ * var QuickUnion = require('path-to-algorithms/' +
+ * 'src/sets/weightquickunion').QuickUnion;
+ *
+ * var qunion = new QuickUnion(10);
+ * qunion.union(0, 1);
+ * qunion.union(2, 1);
+ * qunion.union(3, 4);
+ * qunion.union(8, 9);
+ * qunion.union(4, 8);
+ *
+ * console.log(qunion.connected(0, 9)); // false
+ * console.log(qunion.connected(3, 9)); // true
+ *
+ * @public
+ * @module sets/quickunion
+ */
+
 (function (exports) {
   'use strict';
 
   /**
-   * Checks whether there is a path between two nodes
-   * Complexity of the initialization O(n).
+   * Initialization.<br><br>
+   * Time complexity: O(N).
    *
+   * @public
    * @constructor
-   * @param {number} n The nodes count
+   * @param {Numner} size Count of the nodes.
    */
-  function QuickUnion(n) {
+  exports.QuickUnion = function (n) {
     this._ids = [];
     this._size = [];
     for (var i = 0; i < n; i += 1) {
       this._ids[i] = i;
       this._size[i] = 1;
     }
-  }
+  };
 
   /**
-   * Finds the root of given node.
-   * The complexity is around O(logn)
-   *
-   * @param {number} i The given node
-   * @return {number} The root of the node
+   * Finds the root of given node.<br><br>
+   * Time complexity: O(log N).
+   * @private
+   * @param {Number} i The given node.
+   * @return {Number} Root of the given node.
    */
-  QuickUnion.prototype._root = function (i) {
+  exports.QuickUnion.prototype._root = function (i) {
     while (i !== this._ids[i]) {
   //    this._ids[i] = this._ids[this._ids[i]]; //enables the path compression
       i = this._ids[i];
@@ -33,25 +58,27 @@
   };
 
   /**
-   * Checks whether two nodes are connected.
-   * Complexity O(logn)
+   * Checks whether two nodes are connected.<br><br>
+   * Time complexity: O(log N).
    *
-   * @param {number} p The first node
-   * @param {number} q The second node
-   * @return {boolean} True/false depending on whether the nodes are connected
+   * @param {Number} p The first node.
+   * @param {Number} q The second node.
+   * @return {Boolean} True/false depending on whether the nodes are connected.
    */
-  QuickUnion.prototype.connected = function (p, q) {
+  exports.QuickUnion.prototype.connected = function (p, q) {
     return this._root(p) === this._root(q);
   };
 
   /**
-   * Unions two nodes.
-   * Complexity O(logn)
+   * Connects two nodes - p and q.<br><br>
+   * Time complexity: O(log N).
    *
-   * @param {number} p The first node
-   * @param {number} q The second node
+   * @public
+   * @method
+   * @param {Number} p The first node.
+   * @param {Number} q The second node.
    */
-  QuickUnion.prototype.union = function (p, q) {
+  exports.QuickUnion.prototype.union = function (p, q) {
     var pf = this._root(p);
     var qf = this._root(q);
     if (pf === qf) {
@@ -68,14 +95,4 @@
     }
   };
 
-  //var union = new QuickUnion(10);
-  //union.union(0, 1);
-  //union.union(2, 1);
-  //union.union(3, 4);
-  //union.union(8, 9);
-  //union.union(4, 8);
-  //
-  //console.log(union.connected(0, 9)); //expected false
-  //console.log(union.connected(3, 9)); //expected true
-  exports.QuickUnion = QuickUnion;
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);

From cafe3575a5478f24ae92d9b2fa27128be15ea5d6 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Tue, 13 Jan 2015 17:46:49 +0200
Subject: [PATCH 085/337] fix weightedquickunion jsdoc

---
 src/sets/weightquickunion.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sets/weightquickunion.js b/src/sets/weightquickunion.js
index f541320c..765fcb85 100644
--- a/src/sets/weightquickunion.js
+++ b/src/sets/weightquickunion.js
@@ -19,7 +19,7 @@
  * console.log(qunion.connected(3, 9)); // true
  *
  * @public
- * @module sets/quickunion
+ * @module sets/weightquickunion
  */
 
 (function (exports) {

From 3e51f6be44cfbb258652909ce5e134cd61792e65 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Wed, 14 Jan 2015 11:22:41 +0200
Subject: [PATCH 086/337] Fix issue in KMP

---
 src/searching/knuth-morris-pratt.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/searching/knuth-morris-pratt.js b/src/searching/knuth-morris-pratt.js
index c29be4c1..4a11164a 100644
--- a/src/searching/knuth-morris-pratt.js
+++ b/src/searching/knuth-morris-pratt.js
@@ -58,7 +58,7 @@
           return i - j;
         }
         if (i < str.length && str[i] !== substr[j]) {
-          if (table[j - 1] !== 0) {
+          if (j > 0 && table[j - 1] !== 0) {
             j = table[j - 1];
           } else {
             i += 1;
@@ -73,3 +73,5 @@
   exports.kmp = kmp;
 
 })(typeof window === 'undefined' ? module.exports : window);
+
+exports.kmp('hello', 'll');

From aa749bf7e37e54f9120138073b38d3f1f14713fb Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Wed, 14 Jan 2015 11:23:49 +0200
Subject: [PATCH 087/337] Remove multiple line breaks

---
 src/searching/knuth-morris-pratt.js | 2 --
 1 file changed, 2 deletions(-)

diff --git a/src/searching/knuth-morris-pratt.js b/src/searching/knuth-morris-pratt.js
index 4a11164a..1b0826bd 100644
--- a/src/searching/knuth-morris-pratt.js
+++ b/src/searching/knuth-morris-pratt.js
@@ -73,5 +73,3 @@
   exports.kmp = kmp;
 
 })(typeof window === 'undefined' ? module.exports : window);
-
-exports.kmp('hello', 'll');

From e817fbc02689f94f800ffd2ed22c6681fb4ada99 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Wed, 14 Jan 2015 11:30:03 +0200
Subject: [PATCH 088/337] Add case when the searching string is the string
 we're looking for

---
 src/searching/knuth-morris-pratt.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/searching/knuth-morris-pratt.js b/src/searching/knuth-morris-pratt.js
index 1b0826bd..7acf0ab2 100644
--- a/src/searching/knuth-morris-pratt.js
+++ b/src/searching/knuth-morris-pratt.js
@@ -46,6 +46,9 @@
      * time, or -1 if it never occurs.
      */
     function indexOf(str, substr) {
+      if (str === substr) {
+        return 0;
+      }
       var table = builtKMPTable(substr);
       var i = 0;
       var j = 0;

From 401f3f1ea0b2f6c006fe112472ef47cc49c1443f Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Wed, 14 Jan 2015 11:38:46 +0200
Subject: [PATCH 089/337] Fix bug in KMP

---
 src/searching/knuth-morris-pratt.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/searching/knuth-morris-pratt.js b/src/searching/knuth-morris-pratt.js
index 7acf0ab2..b4aeb85b 100644
--- a/src/searching/knuth-morris-pratt.js
+++ b/src/searching/knuth-morris-pratt.js
@@ -65,6 +65,7 @@
             j = table[j - 1];
           } else {
             i += 1;
+            j = 0;
           }
         }
       }

From 8cab588448a0bd5380a8f0520b255ee5cf1fc06e Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Wed, 14 Jan 2015 11:39:12 +0200
Subject: [PATCH 090/337] Add tests for KMP

---
 test/searching/knuth-morris-pratt.spec.js | 25 +++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 test/searching/knuth-morris-pratt.spec.js

diff --git a/test/searching/knuth-morris-pratt.spec.js b/test/searching/knuth-morris-pratt.spec.js
new file mode 100644
index 00000000..b12b7a0e
--- /dev/null
+++ b/test/searching/knuth-morris-pratt.spec.js
@@ -0,0 +1,25 @@
+var indexOf = require('../../src/searching/knuth-morris-pratt').kmp;
+
+describe('The string searching algorithm of Knuth-Morris-Pratt', function () {
+  'use strict';
+
+  it('should find the empty string in any string', function () {
+    expect(indexOf('', '')).toBe(0);
+    expect(indexOf('foo', '')).toBe(0);
+  });
+
+  it('should return negative value for patterns, which are ' +
+  'not part of the string', function () {
+    expect(indexOf('foo', 'bar') < 0).toBeTruthy();
+    expect(indexOf('f', 'foobar') < 0).toBeTruthy();
+    expect(indexOf('foobar', 'fobar') < 0).toBeTruthy();
+  });
+
+  it('should return the first index of the matching pattern', function () {
+    expect(indexOf('foo', 'f')).toBe(0);
+    expect(indexOf('foo', 'oo')).toBe(1);
+    expect(indexOf('foo', 'o')).toBe(1);
+    expect(indexOf('foobar', 'foo')).toBe(0);
+    expect(indexOf('foobar', 'bar')).toBe(3);
+  });
+});

From f7afa7441f3683abf1440cc4b953285b79984eb5 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Thu, 15 Jan 2015 00:51:49 +0200
Subject: [PATCH 091/337] add Fisher-Yates jsdoc

---
 doc-config.json            |  3 ++-
 src/shuffle/fisheryates.js | 16 ++++++++++++----
 2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/doc-config.json b/doc-config.json
index db96100b..d6fe3bef 100644
--- a/doc-config.json
+++ b/doc-config.json
@@ -13,7 +13,8 @@
             "./src/primes/",
             "./src/others/",
             "./src/searching/",
-            "./src/sets/"
+            "./src/sets/",
+            "./src/shuffle/"
         ],
         "includePattern": ".+\\.js(doc)?$",
         "excludePattern": "docs"
diff --git a/src/shuffle/fisheryates.js b/src/shuffle/fisheryates.js
index 08319d67..c4e5bd85 100644
--- a/src/shuffle/fisheryates.js
+++ b/src/shuffle/fisheryates.js
@@ -1,12 +1,20 @@
 (function (exports) {
+
   'use strict';
 
   /**
    * The shuffling algorithm of
-   * Fisher-Yates. Complexity O(n)
+   * Fisher-Yates.<br><br>
+   * Time complexity: O(N).
    *
-   * @param {array} array The array which should be shuffled
-   * @return {array} The shuffled array.
+   * @example
+   * var shuffle = require('path-to-algorithms/src/' +
+   * 'shuffle/fisheryates').shuffle;
+   * console.log(shuffle([1, 2, 3, 4, 5])); // shuffled array
+   * @public
+   * @module shuffle/fisheryates
+   * @param {Array} array Array which should be shuffled.
+   * @return {Array} Shuffled array.
    */
   function shuffle(array) {
     var size = array.length;
@@ -23,4 +31,4 @@
 
   exports.shuffle = shuffle;
 
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);

From 15ded21bea6f857ecf0ac18658df448d6a32bcda Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Thu, 15 Jan 2015 00:56:59 +0200
Subject: [PATCH 092/337] add richarddurstenfeld jsdoc

---
 src/shuffle/fisheryates.js        |  1 +
 src/shuffle/richarddurstenfeld.js | 19 ++++++++++++-------
 2 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/src/shuffle/fisheryates.js b/src/shuffle/fisheryates.js
index c4e5bd85..75721e04 100644
--- a/src/shuffle/fisheryates.js
+++ b/src/shuffle/fisheryates.js
@@ -11,6 +11,7 @@
    * var shuffle = require('path-to-algorithms/src/' +
    * 'shuffle/fisheryates').shuffle;
    * console.log(shuffle([1, 2, 3, 4, 5])); // shuffled array
+   *
    * @public
    * @module shuffle/fisheryates
    * @param {Array} array Array which should be shuffled.
diff --git a/src/shuffle/richarddurstenfeld.js b/src/shuffle/richarddurstenfeld.js
index 301f45ef..789d8517 100644
--- a/src/shuffle/richarddurstenfeld.js
+++ b/src/shuffle/richarddurstenfeld.js
@@ -1,17 +1,22 @@
 (function (exports) {
+
   'use strict';
 
   /**
    * Shuffle of an array elements.
    * This algorithm is modified version of Fisher-Yates shuffle
-   * algorithm and is introduced by Richard Durstenfeld.
-   */
-
-  /**
-   * Shuffles an array. Complexity O(n).
+   * algorithm and is introduced by Richard Durstenfeld.<br><br>
+   * Time complexity: O(N).
+   *
+   * @example
+   * var shuffle = require('path-to-algorithms/src/shuffle' +
+   * '/richarddurstenfeld').shuffle;
+   * console.log(shuffle([1, 2, 3, 4, 5])); // random shuffled
    *
-   * @param {array} array An array which should be shuffled
-   * @returns {array} Shuffled array
+   * @public
+   * @module shuffle/richarddurstenfeld
+   * @param {Array} array An array which should be shuffled.
+   * @return {Array} Shuffled array.
    */
   function shuffle(array) {
     var arraySize = array.length - 1;

From 74d1acc0db464e10ca6c68245b474a69bfba5770 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Thu, 15 Jan 2015 02:31:50 +0200
Subject: [PATCH 093/337] add 3-way-quicksort jsdoc

---
 doc-config.json                       |  3 ++-
 src/sorting/3-way-string-quicksort.js | 21 ++++++++++++++++-----
 2 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/doc-config.json b/doc-config.json
index d6fe3bef..bddd99b3 100644
--- a/doc-config.json
+++ b/doc-config.json
@@ -14,7 +14,8 @@
             "./src/others/",
             "./src/searching/",
             "./src/sets/",
-            "./src/shuffle/"
+            "./src/shuffle/",
+            "./src/sorting/"
         ],
         "includePattern": ".+\\.js(doc)?$",
         "excludePattern": "docs"
diff --git a/src/sorting/3-way-string-quicksort.js b/src/sorting/3-way-string-quicksort.js
index b59ef57e..ff8460e4 100644
--- a/src/sorting/3-way-string-quicksort.js
+++ b/src/sorting/3-way-string-quicksort.js
@@ -1,10 +1,6 @@
 (function (exports) {
   'use strict';
 
-  /**
-   * Effective inplace string sorting algorithm.
-   * The algorithm is NOT stable.
-   */
   var quicksort = (function () {
 
     function charAt(str, i) {
@@ -48,6 +44,21 @@
       quicksort(arr, highPointer + 1, hi, d);
     }
 
+    /**
+     * Effective inplace string sorting algorithm.
+     * Algorithm is NOT stable.
+     *
+     * @example
+     *
+     * var sort = require('path-to-algorithms/src/sorting'+
+     * '/3-way-string-quicksort').quicksort;
+     * console.log(sort(['bb', 'aa', 'cc'])); // [ 'aa', 'bb', 'cc' ]
+     *
+     * @public
+     * @module sorting/3-way-string-quicksort
+     * @param arr {Array} array which should be sorted.
+     * @return {Array} Sorted array.
+     */
     return function sort(arr) {
       quicksort(arr, 0, arr.length - 1, 0);
       return arr;
@@ -56,4 +67,4 @@
 
   exports.quicksort = quicksort;
 
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);

From ed4ac01c0e11305e1feea2b6ead53685dc742729 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Thu, 15 Jan 2015 02:53:52 +0200
Subject: [PATCH 094/337] add bucketsort jsdoc

---
 src/sorting/bubblesort.js | 18 ++++++++++++++----
 src/sorting/bucketsort.js | 24 ++++++++++++++----------
 2 files changed, 28 insertions(+), 14 deletions(-)

diff --git a/src/sorting/bubblesort.js b/src/sorting/bubblesort.js
index b2668d27..7b5440ee 100644
--- a/src/sorting/bubblesort.js
+++ b/src/sorting/bubblesort.js
@@ -6,11 +6,21 @@
   }
 
   /**
-   * The bubblesort algorithm. Complexity O(n^2).
+   * Bubble sort algorithm.<br><br>
+   * Complexity: O(N^2).
+   *
+   * @example
+   * var sort = require('path-to-algorithms/src/' +
+   * 'sorting/bubblesort').bubbleSort;
+   * console.log(sort([2, 5, 1, 0, 4])); // [ 0, 1, 2, 4, 5 ]
    *
    * @public
-   * @param {array} array Input array
-   * @returns {array} array Sorted array
+   * @module sorting/bubblesort
+   * @param {Array} array Input array.
+   * @param {Function} cmp Optional. A function that defines an
+   * alternative sort order. The function should return a negative,
+   * zero, or positive value, depending on the arguments.
+   * @return {Array} Sorted array.
    */
   function bubbleSort(array, cmp) {
     cmp = cmp || comparator;
@@ -29,4 +39,4 @@
 
   exports.bubbleSort = bubbleSort;
 
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/src/sorting/bucketsort.js b/src/sorting/bucketsort.js
index 9c69e74b..73dab2f1 100644
--- a/src/sorting/bucketsort.js
+++ b/src/sorting/bucketsort.js
@@ -1,12 +1,7 @@
 (function (exports) {
+
   'use strict';
 
-  /**
-   * Bucket sort. This algorithm has complexity O(n) in case the
-   * data is with uniform distribution.
-   *
-   * @public
-   */
   var bucketSort = (function () {
 
     /**
@@ -90,11 +85,20 @@
     }
 
     /**
-     * Sorts given array with bucketsort
+     * Sorts given array with bucketsort.<br><br>
+     * Time complexity: O(N) in case the
+     * data is with uniform distribution.
+     *
+     * @example
+     *
+     * var sort = require('path-to-algorithms/src/'+
+     * 'sorting/bucketsort').bucketSort;
+     * console.log(sort([2, 5, 1, 0, 4])); // [ 0, 1, 2, 4, 5 ]
      *
      * @public
-     * @param {array} array Input array which should be sorted
-     * @returns {array} Sorted array
+     * @module sorting/bucketsort
+     * @param {Array} array Input array which should be sorted.
+     * @return {Array} Sorted array.
      */
     return function (array) {
       var buckets = createBuckets(array);
@@ -105,4 +109,4 @@
 
   exports.bucketSort = bucketSort;
 
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);

From 3ab98146f252776ba5e38b155ecb59f1d391425f Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Thu, 15 Jan 2015 15:05:00 +0200
Subject: [PATCH 095/337] add countingsort jsdoc

---
 src/sorting/countingsort.js | 44 +++++++++++++++++++------------------
 1 file changed, 23 insertions(+), 21 deletions(-)

diff --git a/src/sorting/countingsort.js b/src/sorting/countingsort.js
index 809c305f..fc8f809d 100644
--- a/src/sorting/countingsort.js
+++ b/src/sorting/countingsort.js
@@ -1,20 +1,14 @@
 (function (exports) {
   'use strict';
 
-  /**
-   * Counting sort algorithm. It's with complexity O(n) but it's
-   * correct only for array of integers.
-   *
-   * @public
-   */
   var countingSort = (function () {
 
     /**
-     * Gets the count of the elements into the input array
+     * Gets the count of the elements into the input array.
      *
      * @private
-     * @param {array} array The input array
-     * @returns {array} count The count of each element from the input array
+     * @param {Array} array The input array.
+     * @return {Array} The count of each element from the input array.
      */
     function getCount(array) {
       var count = [];
@@ -27,12 +21,12 @@
     }
 
     /**
-     * Gets the count of the elements which are less than a given
+     * Gets the count of the elements which are less than a given.
      *
      * @private
-     * @param {array} array The input array
-     * @returns {array} less The count of the elements which
-     *                       are less than each element from the input
+     * @param {Array} array The input array.
+     * @return {Array} less The count of the elements which.
+     * are less than each element from the input.
      */
     function getLessCount(array) {
       var less = [];
@@ -46,12 +40,12 @@
     }
 
     /**
-     * Sorts the input array
+     * Sorts the input array.
      *
      * @private
-     * @param {array} array Input which should be sorted
-     * @param {array} less Count of the less elements for each element
-     * @returns {array} result The sorted input
+     * @param {Array} array Input which should be sorted.
+     * @param {Array} less Count of the less elements for each element.
+     * @return {Array} The sorted input.
      */
     function sort(array, less) {
       var result = [];
@@ -71,11 +65,19 @@
     }
 
     /**
-     * Sorts a given array
+     * Counting sort algorithm. It's correct only
+     * for array of integers.<br><br>
+     * Time complexity: O(N).
+     *
+     * @example
+     * var sort = require('path-to-algorithms/src/' +
+     * 'sorting/countingsort').countingSort;
+     * console.log(sort([2, 5, 1, 3, 4])); // [ 1, 2, 3, 4, 5 ]
      *
      * @public
-     * @param {array} array Array which should be sorted
-     * @returns {array} array Sorted array
+     * @module sorting/countingsort
+     * @param {Array} array Array which should be sorted.
+     * @return {Array} Sorted array.
      */
     return function (array) {
       var less = getLessCount(getCount(array));
@@ -85,4 +87,4 @@
 
   exports.countingSort = countingSort;
 
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);

From 756acc393511a80b9b037aaecba6709ff38d9631 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Thu, 15 Jan 2015 15:21:18 +0200
Subject: [PATCH 096/337] add heapsort jsdoc

---
 src/sorting/heapsort.js | 32 ++++++++++++++++++--------------
 1 file changed, 18 insertions(+), 14 deletions(-)

diff --git a/src/sorting/heapsort.js b/src/sorting/heapsort.js
index 1aa1e16d..7f6d1021 100644
--- a/src/sorting/heapsort.js
+++ b/src/sorting/heapsort.js
@@ -5,20 +5,15 @@
     return a - b;
   }
 
-  /**
-   * The heapsort algorithm. It's complexity is O(nlog n).
-   *
-   * @public
-   */
   var heapSort = (function () {
 
     /**
      * Finds the correct place of given element in given max heap.
      *
      * @private
-     * @param {array} array Array
-     * @param {number} index Index of the element which palce in
-     *                       the max heap should be found.
+     * @param {Array} array Array.
+     * @param {Number} index Index of the element which palce in
+     * the max heap should be found.
      */
     function heapify(array, index, heapSize, cmp) {
       var left = 2 * index + 1;
@@ -45,8 +40,8 @@
      * Builds max heap from given array.
      *
      * @private
-     * @param {array} array Array which should be turned into max heap
-     * @returns {array} array Array turned into max heap
+     * @param {Array} array Array which should be turned into max heap.
+     * @return {Array} array Array turned into max heap.
      */
     function buildMaxHeap(array, cmp) {
       for (var i = Math.floor(array.length / 2); i >= 0; i -= 1) {
@@ -56,11 +51,20 @@
     }
 
     /**
-     * Heapsort. Turns the input array into max heap and after that sorts it.
+     * Heapsort. Turns the input array into max
+     * heap and after that sorts it.<br><br>
+     * Time complexity: O(N log N).
+     *
+     * @example
+     *
+     * var sort = require('path-to-algorithms/src' +
+     * '/sorting/heapsort').heapSort;
+     * console.log(sort([2, 5, 1, 0, 4])); // [ 0, 1, 2, 4, 5 ]
      *
      * @public
-     * @param {array} array Input array
-     * @returns {array} array Sorted array
+     * @module sorting/heapsort
+     * @param {Array} array Input array.
+     * @return {Array} Sorted array.
      */
     return function (array, cmp) {
       cmp = cmp || comparator;
@@ -80,4 +84,4 @@
 
   exports.heapSort = heapSort;
 
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);

From 0d143db55214e35624a948cbed3dc551bc9eab90 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Thu, 15 Jan 2015 15:37:53 +0200
Subject: [PATCH 097/337] fix heapsort jsdoc

---
 src/sorting/heapsort.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/sorting/heapsort.js b/src/sorting/heapsort.js
index 7f6d1021..b661a827 100644
--- a/src/sorting/heapsort.js
+++ b/src/sorting/heapsort.js
@@ -64,6 +64,9 @@
      * @public
      * @module sorting/heapsort
      * @param {Array} array Input array.
+     * @param {Function} cmp Optional. A function that defines an
+     * alternative sort order. The function should return a negative,
+     * zero, or positive value, depending on the arguments.
      * @return {Array} Sorted array.
      */
     return function (array, cmp) {

From ef68c0ad7a54c9f5fa252e201713868685deae92 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Thu, 15 Jan 2015 15:42:29 +0200
Subject: [PATCH 098/337] add insertion-binary-sort jsdoc

---
 src/sorting/insertion-binary-sort.js | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/src/sorting/insertion-binary-sort.js b/src/sorting/insertion-binary-sort.js
index f76c850a..a952b15c 100644
--- a/src/sorting/insertion-binary-sort.js
+++ b/src/sorting/insertion-binary-sort.js
@@ -6,14 +6,25 @@
   }
 
   /**
-   * Modified version of insertionsort. It uses binary search for finding
+   * Modified version of insertion sort. It uses binary search for finding
    * where the current element should be inserted. It's correct because
    * the binary search looks just in the first part of the array
-   * which is actually sorted. It's complexity is O(n^2)
+   * which is actually sorted.<br><br>
+   * Time complexity: O(N^2).
+   *
+   * @example
+   *
+   * var sort = require('path-to-algorithms/src' +
+   * '/sorting/insertion-binary-sort').insertionBinarySort;
+   * console.log(sort([2, 5, 1, 0, 4])); // [ 0, 1, 2, 4, 5 ]
    *
    * @public
-   * @param {array} array Input array
-   * @param {array} array Sorted array
+   * @module sorting/insertion-binary-sort
+   * @param {Array} array Input array.
+   * @param {Function} cmp Optional. A function that defines an
+   * alternative sort order. The function should return a negative,
+   * zero, or positive value, depending on the arguments.
+   * @return {Array} Sorted array.
    */
   function insertionBinarySort(array, cmp) {
     cmp = cmp || comparator;

From e4589d7b4b698b9a3b51b5d6e2d8221cc8a14e4f Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Thu, 15 Jan 2015 16:07:35 +0200
Subject: [PATCH 099/337] insertionsort jsdoc

---
 src/sorting/insertionsort.js | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/sorting/insertionsort.js b/src/sorting/insertionsort.js
index 3e1ba70f..90f5ea3a 100644
--- a/src/sorting/insertionsort.js
+++ b/src/sorting/insertionsort.js
@@ -6,11 +6,22 @@
   }
 
   /**
-   * Insertionsort algorithm. It's complexity is O(n^2).
+   * Insertionsort algorithm.
+   * Time complexity: O(N^2).
+   *
+   * @example
+   *
+   * var sort = require('path-to-algorithms/src' +
+   * '/sorting/insertion-sort').insertionSort;
+   * console.log(sort([2, 5, 1, 0, 4])); // [ 0, 1, 2, 4, 5 ]
    *
    * @public
-   * @param {array} array Input array
-   * @returns {array} array Sorted array
+   * @module sorting/insertionsort
+   * @param {Array} array Input array.
+   * @param {Function} cmp Optional. A function that defines an
+   * alternative sort order. The function should return a negative,
+   * zero, or positive value, depending on the arguments.
+   * @return {Array} Sorted array.
    */
   function insertionSort(array, cmp) {
     cmp = cmp || compare;

From 29051faebdcb690798f274be489a8f6da1ffaf7e Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Thu, 15 Jan 2015 16:08:01 +0200
Subject: [PATCH 100/337] insertionsort jsdoc dix

---
 src/sorting/insertionsort.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sorting/insertionsort.js b/src/sorting/insertionsort.js
index 90f5ea3a..36f2a3f2 100644
--- a/src/sorting/insertionsort.js
+++ b/src/sorting/insertionsort.js
@@ -6,7 +6,7 @@
   }
 
   /**
-   * Insertionsort algorithm.
+   * Insertionsort algorithm.<br><br>
    * Time complexity: O(N^2).
    *
    * @example

From f79e88fba22cf1c5350c6f0f9c5a0259b58f2b51 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Thu, 15 Jan 2015 17:46:31 +0200
Subject: [PATCH 101/337] lsd and msd jsdoc

---
 src/sorting/lsd.js | 17 ++++++++++++-----
 src/sorting/msd.js | 20 +++++++++++++-------
 2 files changed, 25 insertions(+), 12 deletions(-)

diff --git a/src/sorting/lsd.js b/src/sorting/lsd.js
index 996ed736..7dff4401 100644
--- a/src/sorting/lsd.js
+++ b/src/sorting/lsd.js
@@ -2,13 +2,20 @@
   'use strict';
 
   /**
-   * Sorts strings lexicographically.
-   * Complexity O(n*m)
+   * Sorts strings lexicographically.<br><br>
+   * Time complexity: O(N*M) for N keys which have M or fewer digits.
+   *
+   * @example
+   *
+   * var sort = require('../src/sorting/lsd').lsd;
+   * // [ 'aab', 'aaa', 'acc', 'bbb', 'bcc' ]
+   * console.log(sort(['aab', 'bbb', 'aaa', 'acc', 'bcc']));
    *
    * @public
-   * @param {Array} arr Input array
-   * @param {Number} letterIdx Index to start sorting from
-   * @returns {Array} Sorted array
+   * @module sorting/lsd
+   * @param {Array} arr Array which should be sorted.
+   * @param {Number} letterIdx Optional. Index to start sorting from.
+   * @return {Array} Sorted array.
    */
   function lsd(arr, letterIdx) {
     var temp;
diff --git a/src/sorting/msd.js b/src/sorting/msd.js
index 46dfcecd..aa6ee4ee 100644
--- a/src/sorting/msd.js
+++ b/src/sorting/msd.js
@@ -37,16 +37,22 @@
 
   /**
    * Sorts given array lexicographically.
-   * The algorithms knows how to treat
-   * differently length strings.
-   * The algorithm is stable.
+   * Algorithms knows how to treat
+   * differently length strings.<br><br>
+   * Algorithm is stable.
+   * Time complexity: O(N*M) for N keys which have M or fewer digits.
    *
-   * Complexity O(n*m)
+   * @example
+   *
+   * var sort = require('../src/sorting/msd').msd;
+   * // [ 'aab', 'aaa', 'acc', 'bbb', 'bcc' ]
+   * console.log(sort(['aab', 'bbb', 'aaa', 'acc', 'bcc']));
    *
    * @public
-   * @param {Array} arr The array, which needs to be sorted
-   * @param {Number} d The digit from which the sorting should start
-   * @return {Array} The sorted array
+   * @module sorting/msd
+   * @param {Array} arr Array which should be sorted.
+   * @param {Number} d Digit from which sorting should start.
+   * @return {Array} Sorted array.
    */
 
   function msd(arr, d) {

From 43b6652beb487f5846035516ba7a46fd373d4ece Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Thu, 15 Jan 2015 17:47:23 +0200
Subject: [PATCH 102/337] fix msd jsdoc

---
 src/sorting/msd.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sorting/msd.js b/src/sorting/msd.js
index aa6ee4ee..3f87e250 100644
--- a/src/sorting/msd.js
+++ b/src/sorting/msd.js
@@ -51,7 +51,7 @@
    * @public
    * @module sorting/msd
    * @param {Array} arr Array which should be sorted.
-   * @param {Number} d Digit from which sorting should start.
+   * @param {Number} d Optional. Digit from which sorting should start.
    * @return {Array} Sorted array.
    */
 

From 0728085c71f23b8615908ee7a7117e1913381786 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Thu, 15 Jan 2015 17:54:04 +0200
Subject: [PATCH 103/337] add mergesort jsdoc

---
 src/sorting/insertion-binary-sort.js |  2 +-
 src/sorting/insertionsort.js         |  2 +-
 src/sorting/lsd.js                   |  2 +-
 src/sorting/mergesort.js             | 19 +++++++++++++++----
 src/sorting/msd.js                   |  3 +--
 5 files changed, 19 insertions(+), 9 deletions(-)

diff --git a/src/sorting/insertion-binary-sort.js b/src/sorting/insertion-binary-sort.js
index a952b15c..4ee6518a 100644
--- a/src/sorting/insertion-binary-sort.js
+++ b/src/sorting/insertion-binary-sort.js
@@ -55,4 +55,4 @@
 
   exports.insertionBinarySort = insertionBinarySort;
 
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/src/sorting/insertionsort.js b/src/sorting/insertionsort.js
index 36f2a3f2..3e5e6659 100644
--- a/src/sorting/insertionsort.js
+++ b/src/sorting/insertionsort.js
@@ -41,4 +41,4 @@
 
   exports.insertionSort = insertionSort;
 
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/src/sorting/lsd.js b/src/sorting/lsd.js
index 7dff4401..d1445203 100644
--- a/src/sorting/lsd.js
+++ b/src/sorting/lsd.js
@@ -48,4 +48,4 @@
 
   exports.lsd = lsd;
 
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/src/sorting/mergesort.js b/src/sorting/mergesort.js
index 7e2d18e8..20330321 100644
--- a/src/sorting/mergesort.js
+++ b/src/sorting/mergesort.js
@@ -75,11 +75,22 @@
     }
 
     /**
-     * Initial call to the mergesort method
+     * Merge sort algorithm.<br><br>
+     * Time complexity: O(N logN).
+     *
+     * @example
+     *
+     * var sort = require('path-to-algorithms/src' +
+     * '/sorting/mergesort').mergesortSort;
+     * console.log(sort([2, 5, 1, 0, 4])); // [ 0, 1, 2, 4, 5 ]
      *
      * @public
-     * @param {array} array The array which will be sorted
-     * @returns {array} Sorted array
+     * @module sorting/mergesort
+     * @param {Array} array Input array.
+     * @param {Function} cmp Optional. A function that defines an
+     * alternative sort order. The function should return a negative,
+     * zero, or positive value, depending on the arguments.
+     * @return {Array} Sorted array.
      */
     return function (array, cmp) {
       cmp = cmp || compare;
@@ -90,4 +101,4 @@
 
   exports.mergeSort = mergeSort;
 
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/src/sorting/msd.js b/src/sorting/msd.js
index 3f87e250..f59e1718 100644
--- a/src/sorting/msd.js
+++ b/src/sorting/msd.js
@@ -54,7 +54,6 @@
    * @param {Number} d Optional. Digit from which sorting should start.
    * @return {Array} Sorted array.
    */
-
   function msd(arr, d) {
     d = d || 0;
     sort(arr, 0, arr.length - 1, d);
@@ -62,4 +61,4 @@
   }
 
   exports.msd = msd;
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);

From 115fde4cd26145ac48277207b9ca77c437fd110e Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Thu, 15 Jan 2015 17:58:16 +0200
Subject: [PATCH 104/337] add quicksort-middle jsdoc

---
 src/sorting/mergesort.js        |  2 +-
 src/sorting/quicksort-middle.js | 25 +++++++++++++++++--------
 2 files changed, 18 insertions(+), 9 deletions(-)

diff --git a/src/sorting/mergesort.js b/src/sorting/mergesort.js
index 20330321..73bb1160 100644
--- a/src/sorting/mergesort.js
+++ b/src/sorting/mergesort.js
@@ -76,7 +76,7 @@
 
     /**
      * Merge sort algorithm.<br><br>
-     * Time complexity: O(N logN).
+     * Time complexity: O(N log(N)).
      *
      * @example
      *
diff --git a/src/sorting/quicksort-middle.js b/src/sorting/quicksort-middle.js
index 9a24daa5..0a16f66d 100644
--- a/src/sorting/quicksort-middle.js
+++ b/src/sorting/quicksort-middle.js
@@ -1,9 +1,3 @@
-/**
- * Quicksort algorithm. It's with complexity O(n log(n)).
- * In this version of quicksort I use the middle element of the
- * array for pivot.
- */
-
 (function (exports) {
 
   'use strict';
@@ -72,8 +66,23 @@
     }
 
     /**
-     * Quicksort's initial point
+     * Quicksort algorithm. In this version of quicksort used
+     * middle element of array for the pivot.<br><br>
+     * Time complexity: O(N log(N)).
+     *
+     * @example
+     *
+     * var sort = require('path-to-algorithms/src' +
+     * '/sorting/quicksort-middle').quickSort;
+     * console.log(sort([2, 5, 1, 0, 4])); // [ 0, 1, 2, 4, 5 ]
+     *
      * @public
+     * @module sorting/mergesort
+     * @param {Array} array Input array.
+     * @param {Function} cmp Optional. A function that defines an
+     * alternative sort order. The function should return a negative,
+     * zero, or positive value, depending on the arguments.
+     * @return {Array} Sorted array.
      */
     return function (array, cmp) {
       cmp = cmp || compare;
@@ -85,4 +94,4 @@
 
   exports.quickSort = quickSort;
 
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);

From 2830903fe49cd9fcd71c729b98d6fae6b447d1d5 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Thu, 15 Jan 2015 17:59:01 +0200
Subject: [PATCH 105/337] fix quicksort-middle jsdoc

---
 src/sorting/quicksort-middle.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sorting/quicksort-middle.js b/src/sorting/quicksort-middle.js
index 0a16f66d..b841f31b 100644
--- a/src/sorting/quicksort-middle.js
+++ b/src/sorting/quicksort-middle.js
@@ -77,7 +77,7 @@
      * console.log(sort([2, 5, 1, 0, 4])); // [ 0, 1, 2, 4, 5 ]
      *
      * @public
-     * @module sorting/mergesort
+     * @module sorting/quicksort-middle
      * @param {Array} array Input array.
      * @param {Function} cmp Optional. A function that defines an
      * alternative sort order. The function should return a negative,

From 35c0cdbd8f47639bc448735225be273e4af3d933 Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Thu, 15 Jan 2015 18:08:24 +0200
Subject: [PATCH 106/337] add recurisve insertionsort jsdoc

---
 src/sorting/recursive-insertionsort.js | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/src/sorting/recursive-insertionsort.js b/src/sorting/recursive-insertionsort.js
index 4ec51c9a..aa3c77b6 100644
--- a/src/sorting/recursive-insertionsort.js
+++ b/src/sorting/recursive-insertionsort.js
@@ -6,13 +6,25 @@
   }
 
   /**
-   * Recursive version of insertionsort. Complexity O(n^2).
+   * Recursive version of insertion sort.<br><br>
+   * Time complexity: O(N^2).
+   *
+   * @example
+   *
+   * var sort = require('path-to-algorithms/src/sorting/'+
+   * 'recursive-insertionsort').recursiveInsertionSort;
+   * console.log(sort([2, 5, 1, 0, 4])); // [ 0, 1, 2, 4, 5 ]
    *
    * @public
-   * @param {array} array Input array
-   * @param {number} [max] Index of the element which place we should find
-   *                       in the current function call
-   */
+   * @module sorting/recursive-insertionsort
+   * @param {Array} array Input array.
+   * @param {Function} cmp Optional. A function that defines an
+   * alternative sort order. The function should return a negative,
+   * zero, or positive value, depending on the arguments.
+   * @param {Number} max Optional. Index of the element which place
+   * we should find in the current function call.
+   * @return {Array} Sorted array.
+   */   
   function recursiveInsertionSort(array, cmp, max) {
     cmp = cmp || compare;
     if (max <= 0) {
@@ -32,4 +44,4 @@
 
   exports.recursiveInsertionSort = recursiveInsertionSort;
 
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);

From 9239afacf450db6cdc8d1c0e4c4b1b5c132e3a4b Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Thu, 15 Jan 2015 18:42:28 +0200
Subject: [PATCH 107/337] add selection sort jsdoc

---
 src/sorting/selectionsort.js | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/src/sorting/selectionsort.js b/src/sorting/selectionsort.js
index 2cd83521..dab9e000 100644
--- a/src/sorting/selectionsort.js
+++ b/src/sorting/selectionsort.js
@@ -6,11 +6,22 @@
   }
 
   /**
-   * Selection sort. It's complexity is O(n^2)
+   * Selection sort.<br><br>
+   * Time complexity: O(N^2).
+   *
+   * @example
+   *
+   * var sort = require('path-to-algorithms/src/sorting/'+
+   * 'selectionsort').selectionSort;
+   * console.log(sort([2, 5, 1, 0, 4])); // [ 0, 1, 2, 4, 5 ]
    *
    * @public
-   * @param {array} array Array to be sorted
-   * @return {array} The sorted array
+   * @module sorting/selectionsort
+   * @param {Array} array Input array.
+   * @param {Function} cmp Optional. A function that defines an
+   * alternative sort order. The function should return a negative,
+   * zero, or positive value, depending on the arguments.
+   * @return {Array} Sorted array.
    */
   var selectionSort = function (array, cmp) {
     cmp = cmp || compare;
@@ -35,4 +46,4 @@
 
   exports.selectionSort = selectionSort;
 
-}(typeof exports === 'undefined' ? window : exports));
+})(typeof window === 'undefined' ? module.exports : window);

From 2dc73ba4608fd24dc515be07ceb9d82762bef62d Mon Sep 17 00:00:00 2001
From: AndreyGeonya <a.geonya@gmail.com>
Date: Thu, 15 Jan 2015 18:49:49 +0200
Subject: [PATCH 108/337] shellsort jsdoc

---
 src/sorting/recursive-insertionsort.js |  2 +-
 src/sorting/shellsort.js               | 23 ++++++++++++++---------
 2 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/src/sorting/recursive-insertionsort.js b/src/sorting/recursive-insertionsort.js
index aa3c77b6..87c564c2 100644
--- a/src/sorting/recursive-insertionsort.js
+++ b/src/sorting/recursive-insertionsort.js
@@ -24,7 +24,7 @@
    * @param {Number} max Optional. Index of the element which place
    * we should find in the current function call.
    * @return {Array} Sorted array.
-   */   
+   */
   function recursiveInsertionSort(array, cmp, max) {
     cmp = cmp || compare;
     if (max <= 0) {
diff --git a/src/sorting/shellsort.js b/src/sorting/shellsort.js
index 6a5c82ff..b5b3d033 100644
--- a/src/sorting/shellsort.js
+++ b/src/sorting/shellsort.js
@@ -5,22 +5,27 @@
     return a - b;
   }
 
-  /**
-   * Shellsort
-   *
-   * Shellsort uses the gaps 701, 301, 132, 57, 23, 10, 4, 1 and uses
-   * insertion sort to sort the sub-arrays which match for the different gaps.
-   */
   var shellSort = (function () {
 
     var gaps = [701, 301, 132, 57, 23, 10, 4, 1];
 
     /**
-     * Shellsort which uses the gaps in the lexical scope of the IIFE.
+     * Shellsort which uses the gaps 701, 301, 132, 57, 23, 10, 4, 1 and
+     * insertion sort to sort sub-arrays which match for the different gaps.
+     *
+     * @example
+     *
+     * var sort = require('path-to-algorithms/src/' +
+     * 'sorting/shellsort').shellSort;
+     * console.log(sort([2, 5, 1, 0, 4])); // [ 0, 1, 2, 4, 5 ]
      *
      * @public
-     * @param {array} array Array which should be sorted
-     * @return {array} Sorted array
+     * @module sorting/shellsort
+     * @param {Array} array Input array.
+     * @param {Function} cmp Optional. A function that defines an
+     * alternative sort order. The function should return a negative,
+     * zero, or positive value, depending on the arguments.
+     * @return {Array} Sorted array.
      */
     return function (array, cmp) {
       cmp = cmp || compare;

From 8828b848f45674dc0e6b264ce0fcedaa5805ca9c Mon Sep 17 00:00:00 2001
From: Dan Kaplun <dan@secrettriangle.net>
Date: Thu, 15 Jan 2015 13:48:58 -0600
Subject: [PATCH 109/337] Adds key function to binarysearch.js

If an element is not found, return -x - 1 where x is the index into which the element should be inserted

Closes #36
---
 src/searching/binarysearch.js       | 13 +++++++++----
 test/searching/binarysearch.spec.js | 12 ++++++++++--
 2 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/src/searching/binarysearch.js b/src/searching/binarysearch.js
index 1b7ec295..d871ee56 100644
--- a/src/searching/binarysearch.js
+++ b/src/searching/binarysearch.js
@@ -18,22 +18,27 @@
    * @param {Number} value Value of the element which index should be found.
    * @returns {Number} Index of the element or -1 if not found.
    */
-  function binarySearch(array, value) {
+  function binarySearch(array, value, key) {
+    key = !key ? id : typeof key === 'string' ? get(key) : key;
+    value = key(value);
     var middle = Math.floor(array.length / 2);
     var left = 0;
     var right = array.length;
     while (right >= left) {
-      if (array[middle] === value) {
+      var middleValue = key(array[middle]);
+      if (middleValue === value) {
         return middle;
-      } else if (array[middle] > value) {
+      } else if (middleValue > value) {
         right = middle - 1;
       } else {
         left = middle + 1;
       }
       middle = Math.floor((left + right) / 2);
     }
-    return -1;
+    return -middle - 1;
   }
+  function id (val) { return val; }
+  function get (key) { return function (val) { return val[key]; }; }
 
   exports.binarySearch = binarySearch;
 
diff --git a/test/searching/binarysearch.spec.js b/test/searching/binarysearch.spec.js
index 13777dd7..ef12ea45 100644
--- a/test/searching/binarysearch.spec.js
+++ b/test/searching/binarysearch.spec.js
@@ -18,11 +18,19 @@ describe('Binary search', function () {
     expect(binarySearch([1, 8], 8)).toBe(1);
   });
 
-  it('should return -1 for missing elements', function () {
-    expect(binarySearch([1, 2, 3], 4)).toBe(-1);
+  it('should return a negative number for missing elements', function () {
+    expect(binarySearch([1, 2, 3], 4)).toBeLessThan(0);
   });
 
   it('should work with empty arrays', function () {
     expect(binarySearch([], 4)).toBe(-1);
   });
+
+  it('should work with a key string', function () {
+    expect(binarySearch([{ x: 1 }, { x: 2 }, { x: 3 }], { x: 2 }, 'x')).toBe(1);
+  });
+
+  it('should work with a key function', function () {
+    expect(binarySearch([{ x: 1 }, { x: 2 }, { x: 3 }], { x: 2 }, function (o) { return o.x; })).toBe(1);
+  });
 });

From 779c7ec1525e750e50883bd3e1253df983067b20 Mon Sep 17 00:00:00 2001
From: Dan Kaplun <dan@secrettriangle.net>
Date: Sun, 18 Jan 2015 14:05:29 -0600
Subject: [PATCH 110/337] Refactors src/sorting/mergesort.js

Adds optional `start` and `end` parameters to `mergeSort`
Exposes `mergeSort.merge`
Updates documentation
---
 src/sorting/mergesort.js | 151 +++++++++++++++++----------------------
 1 file changed, 64 insertions(+), 87 deletions(-)

diff --git a/src/sorting/mergesort.js b/src/sorting/mergesort.js
index 73bb1160..fc4e60c1 100644
--- a/src/sorting/mergesort.js
+++ b/src/sorting/mergesort.js
@@ -1,104 +1,81 @@
 (function (exports) {
   'use strict';
 
-  var mergeSort = (function () {
+  function compare(a, b) {
+    return a - b;
+  }
 
-    function compare(a, b) {
-      return a - b;
+  /**
+   * Mergesort method which is recursively called for sorting the input array.
+   *
+   * @public
+   * @param {array} array The array which should be sorted
+   * @param {Function} cmp Compares two items in an array
+   * @param {number} start Left side of the subarray
+   * @param {number} end Right side of the subarray
+   * @returns {array} Array with sorted subarray
+   */
+  function mergeSort(array, cmp, start, end) {
+    cmp = cmp || compare;
+    start = start || 0;
+    end = end || array.length;
+    if (Math.abs(end - start) <= 1) {
+      return [];
     }
+    var middle = Math.ceil((start + end) / 2);
 
-    /**
-     * Mergesort method which is recursively called for sorting the input array.
-     *
-     * @private
-     * @param {array} array The array which should be sorted
-     * @param {number} start Left side of the subarray
-     * @param {number} end Right side of the subarray
-     * @returns {array} Array with sorted subarray
-     */
-    function mergesort(array, start, end, cmp) {
-      if (Math.abs(end - start) <= 1) {
-        return [];
-      }
-      var middle = Math.ceil((start + end) / 2);
-
-      mergesort(array, start, middle, cmp);
-      mergesort(array, middle, end, cmp);
+    mergeSort(array, cmp, start, middle);
+    mergeSort(array, cmp, middle, end);
 
-      return merge(array, start, middle, end, cmp);
-    }
+    return mergeSort.merge(array, cmp, start, middle, end);
+  }
 
-    /**
-     * Devides and sort merges two subarrays of given array
-     *
-     * @private
-     * @param {array} array The array which subarrays should be sorted
-     * @param {number} start The start of the first subarray.
-     *   This subarray is with end middle - 1.
-     * @param {number} middle The start of the second array
-     * @param {number} end end - 1 is the end of the second array
-     * @returns {array} The array with sorted subarray
-     */
-    function merge(array, start, middle, end, cmp) {
-      var left = [];
-      var right = [];
-      var leftSize = middle - start;
-      var rightSize = end - middle;
-      var maxSize = Math.max(leftSize, rightSize);
-      var size = end - start;
-      var i;
+  /**
+   * Devides and sort merges two subarrays of given array
+   *
+   * @public
+   * @param {array} array The array which subarrays should be sorted
+   * @param {number} start The start of the first subarray.
+   *   This subarray is with end middle - 1.
+   * @param {number} middle The start of the second array
+   * @param {number} end end - 1 is the end of the second array
+   * @returns {array} The array with sorted subarray
+   */
+  mergeSort.merge = function (array, cmp, start, middle, end) {
+    var left = [];
+    var right = [];
+    var leftSize = middle - start;
+    var rightSize = end - middle;
+    var maxSize = Math.max(leftSize, rightSize);
+    var size = end - start;
+    var i;
 
-      for (i = 0; i < maxSize; i += 1) {
-        if (i < leftSize) {
-          left[i] = array[start + i];
-        }
-        if (i < rightSize) {
-          right[i] = array[middle + i];
-        }
+    for (i = 0; i < maxSize; i += 1) {
+      if (i < leftSize) {
+        left[i] = array[start + i];
       }
-      i = 0;
-      while (i < size) {
-        if (left.length && right.length) {
-          if (cmp(left[0], right[0]) > 0) {
-            array[start + i] = right.shift();
-          } else {
-            array[start + i] = left.shift();
-          }
-        } else if (left.length) {
-          array[start + i] = left.shift();
-        } else {
+      if (i < rightSize) {
+        right[i] = array[middle + i];
+      }
+    }
+    i = 0;
+    while (i < size) {
+      if (left.length && right.length) {
+        if (cmp(left[0], right[0]) > 0) {
           array[start + i] = right.shift();
+        } else {
+          array[start + i] = left.shift();
         }
-        i += 1;
+      } else if (left.length) {
+        array[start + i] = left.shift();
+      } else {
+        array[start + i] = right.shift();
       }
-      return array;
+      i += 1;
     }
-
-    /**
-     * Merge sort algorithm.<br><br>
-     * Time complexity: O(N log(N)).
-     *
-     * @example
-     *
-     * var sort = require('path-to-algorithms/src' +
-     * '/sorting/mergesort').mergesortSort;
-     * console.log(sort([2, 5, 1, 0, 4])); // [ 0, 1, 2, 4, 5 ]
-     *
-     * @public
-     * @module sorting/mergesort
-     * @param {Array} array Input array.
-     * @param {Function} cmp Optional. A function that defines an
-     * alternative sort order. The function should return a negative,
-     * zero, or positive value, depending on the arguments.
-     * @return {Array} Sorted array.
-     */
-    return function (array, cmp) {
-      cmp = cmp || compare;
-      return mergesort(array, 0, array.length, cmp);
-    };
-
-  }());
+    return array;
+  };
 
   exports.mergeSort = mergeSort;
 
-})(typeof window === 'undefined' ? module.exports : window);
+}(typeof exports === 'undefined' ? window : exports));

From 2bbc4d11fe6a83346af242d434f99df923adb845 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Mon, 19 Jan 2015 09:10:17 +0200
Subject: [PATCH 111/337] Update readme

---
 readme.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/readme.md b/readme.md
index 3f128d67..39f7ba74 100644
--- a/readme.md
+++ b/readme.md
@@ -71,7 +71,7 @@ If the build is not successful fix your code in order the tests and jshint valid
 
 ## Contributors
 
-[![mgechev](https://avatars.githubusercontent.com/u/455023?v=3&s=117)](https://github.com/mgechev)[![AndreyGeonya](https://avatars.githubusercontent.com/u/773648?v=3&s=117)](https://github.com/AndreyGeonya)[![pvoznenko](https://avatars.githubusercontent.com/u/1098414?v=3&s=117)](https://github.com/pvoznenko)[![Microfed](https://avatars.githubusercontent.com/u/613179?v=3&s=117)](https://github.com/Microfed)[![contra](https://avatars.githubusercontent.com/u/425716?v=3&s=117)](https://github.com/contra)
+[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev)[<img alt="AndreyGeonya" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndreyGeonya)[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko)[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed)[<img alt="secrettriangle" src="https://avatars.githubusercontent.com/u/1765130?v=3&s=117" width="117">](https://github.com/secrettriangle)[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra)
 
 ## License
 

From 71459b3891099a1f1c1067fc9e7754fe7e2914a9 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Mon, 19 Jan 2015 09:54:15 +0200
Subject: [PATCH 112/337] Update gulpfile according to jscs

---
 gulpfile.js | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/gulpfile.js b/gulpfile.js
index e84fdf36..57841253 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -1,10 +1,10 @@
 'use strict';
-var gulp = require('gulp'),
-    shell = require('gulp-shell'),
-    jshint = require('gulp-jshint'),
-    jasmine = require('gulp-jasmine'),
-    stylish = require('jshint-stylish'),
-    jscs = require('gulp-jscs');
+var gulp = require('gulp');
+var shell = require('gulp-shell');
+var jshint = require('gulp-jshint');
+var jasmine = require('gulp-jasmine');
+var stylish = require('jshint-stylish');
+var jscs = require('gulp-jscs');
 
 gulp.task('jsdoc', shell.task([
   './node_modules/.bin/jsdoc -c ./doc-config.json'
@@ -22,7 +22,6 @@ gulp.task('test', function () {
     .pipe(jasmine());
 });
 
-
 gulp.task('jscs', function () {
   return gulp.src(['src/**/*.js', 'test/**/*.js'])
     .pipe(jscs());

From 83250d7a491bec7992c23cf040099f39b4d7c1a6 Mon Sep 17 00:00:00 2001
From: Dan Kaplun <dan@secrettriangle.net>
Date: Mon, 19 Jan 2015 15:24:28 -0600
Subject: [PATCH 113/337] Fixes jsdoc for mergesort

Closes #40
---
 src/sorting/mergesort.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/sorting/mergesort.js b/src/sorting/mergesort.js
index fc4e60c1..622a81bd 100644
--- a/src/sorting/mergesort.js
+++ b/src/sorting/mergesort.js
@@ -1,4 +1,8 @@
 (function (exports) {
+  /**
+   * Mergesort module.
+   * @module sorting/mergesort
+   */
   'use strict';
 
   function compare(a, b) {

From ac43d796187b0aea4937987017f02d050a93306b Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Tue, 20 Jan 2015 00:02:21 +0200
Subject: [PATCH 114/337] Update jsdocs

---
 src/sorting/mergesort.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/sorting/mergesort.js b/src/sorting/mergesort.js
index 622a81bd..2cf80971 100644
--- a/src/sorting/mergesort.js
+++ b/src/sorting/mergesort.js
@@ -13,6 +13,7 @@
    * Mergesort method which is recursively called for sorting the input array.
    *
    * @public
+   * @module sorting/mergesort
    * @param {array} array The array which should be sorted
    * @param {Function} cmp Compares two items in an array
    * @param {number} start Left side of the subarray
@@ -38,6 +39,7 @@
    * Devides and sort merges two subarrays of given array
    *
    * @public
+   * @module sorting/mergesort
    * @param {array} array The array which subarrays should be sorted
    * @param {number} start The start of the first subarray.
    *   This subarray is with end middle - 1.

From 8311f6c0c53088bd51acb3a26fb5091cf87c70ff Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Tue, 20 Jan 2015 00:15:09 +0200
Subject: [PATCH 115/337] Update jsdocs

---
 src/sorting/mergesort.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/sorting/mergesort.js b/src/sorting/mergesort.js
index 2cf80971..9456bbba 100644
--- a/src/sorting/mergesort.js
+++ b/src/sorting/mergesort.js
@@ -1,7 +1,6 @@
 (function (exports) {
   /**
    * Mergesort module.
-   * @module sorting/mergesort
    */
   'use strict';
 
@@ -39,7 +38,7 @@
    * Devides and sort merges two subarrays of given array
    *
    * @public
-   * @module sorting/mergesort
+   * @module sorting/mergesort/merge
    * @param {array} array The array which subarrays should be sorted
    * @param {number} start The start of the first subarray.
    *   This subarray is with end middle - 1.

From a05e7d96ab444549e24b6fc30d8f848a31059186 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Tue, 20 Jan 2015 09:21:42 +0200
Subject: [PATCH 116/337] Fix #42

---
 src/sorting/mergesort.js | 30 ++++++++++++++++++++----------
 1 file changed, 20 insertions(+), 10 deletions(-)

diff --git a/src/sorting/mergesort.js b/src/sorting/mergesort.js
index 9456bbba..29b4e043 100644
--- a/src/sorting/mergesort.js
+++ b/src/sorting/mergesort.js
@@ -13,11 +13,15 @@
    *
    * @public
    * @module sorting/mergesort
-   * @param {array} array The array which should be sorted
-   * @param {Function} cmp Compares two items in an array
-   * @param {number} start Left side of the subarray
-   * @param {number} end Right side of the subarray
-   * @returns {array} Array with sorted subarray
+   * @param {Array} array The array which should be sorted.
+   * @param {Function} cmp Compares two items in an array.
+   * @param {Number} start Left side of the subarray.
+   * @param {Number} end Right side of the subarray.
+   * @returns {Array} Array with sorted subarray.
+   *
+   * @example
+   * var array = [2, 4, 1, 5, 6, 7];
+   * mergeSort(array); // [1, 2, 4, 5, 6, 7]
    */
   function mergeSort(array, cmp, start, end) {
     cmp = cmp || compare;
@@ -39,12 +43,18 @@
    *
    * @public
    * @module sorting/mergesort/merge
-   * @param {array} array The array which subarrays should be sorted
-   * @param {number} start The start of the first subarray.
+   * @param {Array} array The array which subarrays should be sorted.
+   * @param {Number} start The start of the first subarray.
    *   This subarray is with end middle - 1.
-   * @param {number} middle The start of the second array
-   * @param {number} end end - 1 is the end of the second array
-   * @returns {array} The array with sorted subarray
+   * @param {Number} middle The start of the second array.
+   * @param {Number} end end - 1 is the end of the second array.
+   * @returns {Array} The array with sorted subarray.
+   *
+   * @example
+   * var array = [1, 2, 3, 1, 4, 5, 6]
+   * merge(array, function (a, b) {  // [1, 1, 2, 3, 4, 5, 6]
+   *  return a - b;
+   * }, 0, 4, 7);
    */
   mergeSort.merge = function (array, cmp, start, middle, end) {
     var left = [];

From 8e6dbce4d05191a7a89d7be2f10462142b27f701 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Tue, 20 Jan 2015 09:24:57 +0200
Subject: [PATCH 117/337] Update examples for mergesort

---
 src/sorting/mergesort.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/sorting/mergesort.js b/src/sorting/mergesort.js
index 29b4e043..8b447492 100644
--- a/src/sorting/mergesort.js
+++ b/src/sorting/mergesort.js
@@ -21,6 +21,8 @@
    *
    * @example
    * var array = [2, 4, 1, 5, 6, 7];
+   * var mergeSort =
+   *    require('path-to-algorithms/src/sorting/mergesort').mergeSort;
    * mergeSort(array); // [1, 2, 4, 5, 6, 7]
    */
   function mergeSort(array, cmp, start, end) {
@@ -52,6 +54,8 @@
    *
    * @example
    * var array = [1, 2, 3, 1, 4, 5, 6]
+   * var merge =
+   *    require('path-to-algorithms/src/sorting/mergesort').merge;
    * merge(array, function (a, b) {  // [1, 1, 2, 3, 4, 5, 6]
    *  return a - b;
    * }, 0, 4, 7);

From 1e7bc063d2c771d4bfab75faa3a1be02de78fd8d Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Tue, 20 Jan 2015 09:26:10 +0200
Subject: [PATCH 118/337] Add missing semicolon in merge example

---
 src/sorting/mergesort.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sorting/mergesort.js b/src/sorting/mergesort.js
index 8b447492..e4e0557d 100644
--- a/src/sorting/mergesort.js
+++ b/src/sorting/mergesort.js
@@ -53,7 +53,7 @@
    * @returns {Array} The array with sorted subarray.
    *
    * @example
-   * var array = [1, 2, 3, 1, 4, 5, 6]
+   * var array = [1, 2, 3, 1, 4, 5, 6];
    * var merge =
    *    require('path-to-algorithms/src/sorting/mergesort').merge;
    * merge(array, function (a, b) {  // [1, 1, 2, 3, 4, 5, 6]

From a8ce3592b66eedd82da4c2908cf4d77d1603f3e2 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sun, 25 Jan 2015 18:35:54 +0200
Subject: [PATCH 119/337] Add the partitioning function's names

---
 src/sorting/quicksort-middle.js | 1 +
 src/sorting/quicksort.js        | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/sorting/quicksort-middle.js b/src/sorting/quicksort-middle.js
index b841f31b..3e348765 100644
--- a/src/sorting/quicksort-middle.js
+++ b/src/sorting/quicksort-middle.js
@@ -19,6 +19,7 @@
      * Partitions the array in two parts by the middle elements.
      * All elemnts which are less than the chosen one goes left from it
      * all which are greater goes right from it.
+     * Uses Hoare's partitioning algorithm.
      *
      * @param {array} array Array which should be partitioned
      * @param {number} left Left part of the array
diff --git a/src/sorting/quicksort.js b/src/sorting/quicksort.js
index 73bd41b8..8a645323 100644
--- a/src/sorting/quicksort.js
+++ b/src/sorting/quicksort.js
@@ -14,7 +14,7 @@
     }
 
     /**
-     * Partitions given subarray.
+     * Partitions given subarray using Lomuto's partitioning algorithm.
      *
      * @private
      * @param {array} array Input array

From 4dfd3e9d5c4591d1e1adee43d1570f5465095c9e Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sun, 25 Jan 2015 18:38:30 +0200
Subject: [PATCH 120/337] Update contributors list

---
 readme.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/readme.md b/readme.md
index 39f7ba74..f7c4b264 100644
--- a/readme.md
+++ b/readme.md
@@ -71,7 +71,9 @@ If the build is not successful fix your code in order the tests and jshint valid
 
 ## Contributors
 
-[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev)[<img alt="AndreyGeonya" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndreyGeonya)[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko)[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed)[<img alt="secrettriangle" src="https://avatars.githubusercontent.com/u/1765130?v=3&s=117" width="117">](https://github.com/secrettriangle)[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra)
+[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndreyGeonya" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndreyGeonya) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="secrettriangle" src="https://avatars.githubusercontent.com/u/1765130?v=3&s=117" width="117">](https://github.com/secrettriangle) |[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |
+:---: |:---: |:---: |:---: |:---: |:---: |
+[mgechev](https://github.com/mgechev) |[AndreyGeonya](https://github.com/AndreyGeonya) |[pvoznenko](https://github.com/pvoznenko) |[secrettriangle](https://github.com/secrettriangle) |[Microfed](https://github.com/Microfed) |[contra](https://github.com/contra) |
 
 ## License
 

From 20057a988ae6487b201a38906af65ea8a69febed Mon Sep 17 00:00:00 2001
From: fanixk <katsimpas.f@gmail.com>
Date: Mon, 9 Feb 2015 02:52:17 +0200
Subject: [PATCH 121/337] Added odd even sort algorithm

---
 src/sorting/oddeven-sort.js       | 47 +++++++++++++++++++++++++++++++
 test/sorting/oddeven-sort.spec.js | 18 ++++++++++++
 2 files changed, 65 insertions(+)
 create mode 100644 src/sorting/oddeven-sort.js
 create mode 100644 test/sorting/oddeven-sort.spec.js

diff --git a/src/sorting/oddeven-sort.js b/src/sorting/oddeven-sort.js
new file mode 100644
index 00000000..2ed2a9ee
--- /dev/null
+++ b/src/sorting/oddeven-sort.js
@@ -0,0 +1,47 @@
+(function (exports) {
+  'use strict';
+
+  /**
+   * Odd even sort algorithm.<br><br>
+   * Complexity: O(N^2).
+   *
+   * @example
+   * var sort = require('path-to-algorithms/src/' +
+   * 'sorting/oddeven-sort').oddEvenSort;
+   * console.log(sort([2, 5, 1, 0, 4])); // [ 0, 1, 2, 4, 5 ]
+   *
+   * @public
+   * @module sorting/oddeven-sort
+   * @param {Array} array Input array.
+   * @return {Array} Sorted array.
+   */
+  function oddEvenSort(arr) {
+    function swap(arr, i, j) {
+      var temp = arr[i];
+      arr[i] = arr[j];
+      arr[j] = temp;
+    }
+
+    var sorted = false;
+    while (!sorted) {
+      sorted = true;
+      for (var i = 1; i < arr.length - 1; i += 2) {
+        if (arr[i] > arr[i + 1]) {
+          swap(arr, i, i + 1);
+          sorted = false;
+        }
+      }
+
+      for (i = 0; i < arr.length - 1; i += 2) {
+        if (arr[i] > arr[i + 1]) {
+          swap(arr, i, i + 1);
+          sorted = false;
+        }
+      }
+    }
+    return arr;
+  }
+
+  exports.oddEvenSort = oddEvenSort;
+
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/test/sorting/oddeven-sort.spec.js b/test/sorting/oddeven-sort.spec.js
new file mode 100644
index 00000000..bc928ab4
--- /dev/null
+++ b/test/sorting/oddeven-sort.spec.js
@@ -0,0 +1,18 @@
+var oes =
+  require('../../src/sorting/oddeven-sort').oddEvenSort;
+
+describe('oddeven-sort', function () {
+  'use strict';
+
+  it('should sort the empty array', function () {
+    expect(oes([])).toEqual([]);
+  });
+
+  it('should return array with the same count of elements', function () {
+    expect(oes([2, 3, 4]).length).toBe(3);
+  });
+
+  it('should sort the given array in ascending order', function () {
+    expect(oes([42, 3, 10])).toEqual([3, 10, 42]);
+  });
+});

From 2a2849652acbbe91470e3aaf30e9cc7a1361ef88 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Mon, 9 Feb 2015 19:08:18 +0200
Subject: [PATCH 122/337] Update the contributors list

---
 readme.md | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/readme.md b/readme.md
index f7c4b264..aa5ab073 100644
--- a/readme.md
+++ b/readme.md
@@ -32,14 +32,14 @@ git clone git@github.com:mgechev/javascript-algorithms.git javascript-algorithms
 git checkout gh-pages
 ```
 
-Now you can see `index.html` file in this folder and open it in your browser. 
+Now you can see `index.html` file in this folder and open it in your browser.
 
 **To update .html files with documentation**
 
 Go to the `javascript-algorithms` folder and call:
 
 ```bash
-gulp jsdoc 
+gulp jsdoc
 ```
 
 and all files in `javascript-algorithms-docs` folder will be updated.
@@ -71,9 +71,13 @@ If the build is not successful fix your code in order the tests and jshint valid
 
 ## Contributors
 
-[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndreyGeonya" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndreyGeonya) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="secrettriangle" src="https://avatars.githubusercontent.com/u/1765130?v=3&s=117" width="117">](https://github.com/secrettriangle) |[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |
+[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="secrettriangle" src="https://avatars.githubusercontent.com/u/1765130?v=3&s=117" width="117">](https://github.com/secrettriangle) |[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[mgechev](https://github.com/mgechev) |[AndreyGeonya](https://github.com/AndreyGeonya) |[pvoznenko](https://github.com/pvoznenko) |[secrettriangle](https://github.com/secrettriangle) |[Microfed](https://github.com/Microfed) |[contra](https://github.com/contra) |
+[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[pvoznenko](https://github.com/pvoznenko) |[secrettriangle](https://github.com/secrettriangle) |[Microfed](https://github.com/Microfed) |[contra](https://github.com/contra) |
+
+[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |
+:---: |
+[fanixk](https://github.com/fanixk) |
 
 ## License
 

From bcdb908412d5a20cd8935bb02fa92b59d21a9277 Mon Sep 17 00:00:00 2001
From: Jake Prather <JakeHP@Zoho.com>
Date: Sun, 22 Feb 2015 22:18:43 -0600
Subject: [PATCH 123/337] splay tree impl.

---
 src/data-structures/splay-tree.js       | 559 ++++++++++++++++++++++++
 test/data-structures/splay-tree.spec.js |  80 ++++
 2 files changed, 639 insertions(+)
 create mode 100644 src/data-structures/splay-tree.js
 create mode 100644 test/data-structures/splay-tree.spec.js

diff --git a/src/data-structures/splay-tree.js b/src/data-structures/splay-tree.js
new file mode 100644
index 00000000..6e55ea26
--- /dev/null
+++ b/src/data-structures/splay-tree.js
@@ -0,0 +1,559 @@
+/**
+ * Splay Tree.
+ *
+ * @example
+ * var STree = require('path-to-algorithms/src/data-structures'+
+ * '/splay-tree');
+ * var sTree = new STree.SplayTree();
+ * sTree.insert(10);
+ * sTree.insert(5);
+ * sTree.insert(15);
+ * sTree.insert(7);
+ * sTree.insert(12);
+ * sTree.search(10);
+ * console.log(sTree._root);
+ * sTree.remove(10);
+ * console.log(sTree._root);
+ * sTree.search(15);
+ * console.log(sTree._root);
+ *
+ * @module data-structures/splay-tree
+ */
+(function (exports) {
+    'use strict';
+
+    /**
+     * Node of the tree.
+     *
+     * @public
+     * @constructor
+     * @param {Number|String} value Value of the node.
+     * @param {Node} left Left sibling.
+     * @param {Node} right Right sibling.
+     * @param {Node} parent Parent of the node.
+     */
+    exports.Node = function (value, left, right, parent) {
+        /**
+         * @member {Number|String}
+         */
+        this.value = value;
+        this._left = left;
+        this._right = right;
+        this._parent = parent;
+    };
+
+    /**
+     * Splay tree.
+     * http://en.wikipedia.org/wiki/Splay_tree
+     * @public
+     * @constructor
+     */
+    exports.SplayTree = function () {
+        this._root = null;
+    };
+
+    /**
+     * Splays a node to the root.<br><br>
+     *
+     * @private
+     * @method
+     * @param {Node} node Node to be splayed.
+     */
+    exports.SplayTree.prototype._splay = function(node){
+        while(this._root !== node){
+            var hasParent = node._parent !== null;
+            var hasGrandparent = (hasParent && node._parent._parent !== null);
+            if(hasParent && hasGrandparent){
+                var isLeftChild = node._parent._left === node;
+                var isParentLeftChild = node._parent._parent._left === node._parent;
+                if((isLeftChild && isParentLeftChild) || (!isLeftChild && !isParentLeftChild)){
+                    node = this._zigZig(node);
+                }else{
+                    node = this._zigZag(node);
+                }
+            }else{
+                node = this._zig(node);
+            }
+        }
+        return node;
+    };
+
+    /**
+     * Performs a zig-zig splay pattern<br><br>
+     *
+     * @private
+     * @method
+     * @param {Node} node Node to be zig-zig'd.
+     */
+    exports.SplayTree.prototype._zigZig = function(node){
+
+        var parent = node._parent;
+        var grandParent = node._parent._parent;
+        var greatGrandParent = grandParent._parent !== undefined ?
+            grandParent._parent : null;
+
+        var orientation = (parent._right === node) ? '_right' : '_left';
+        var oppositeOrientation = (orientation === '_left') ? '_right' : '_left';
+        var grandParentOrientation = (greatGrandParent !== null
+        && greatGrandParent._left === grandParent) ? '_left' : '_right';
+
+        // Fix grandparent & great if it exists/not root
+        if(this._root === grandParent){
+            this._root = node;
+        }else{
+            greatGrandParent[grandParentOrientation] = node;
+        }
+        grandParent._parent = parent;
+        // Fix grandparent subtree
+        grandParent[orientation] = parent[oppositeOrientation];
+        if(grandParent[orientation] !== null){
+            grandParent[orientation]._parent = grandParent;
+        }
+        // Fix Parent
+        parent[oppositeOrientation] = grandParent;
+        parent[orientation] = node[oppositeOrientation];
+        if(parent[orientation] !== null){
+            parent[orientation]._parent = parent;
+        }
+        parent._parent = node;
+        // Fix Curr Node
+        node[oppositeOrientation] = parent;
+        if(node === this._root){
+            node._parent = null;
+        }else if(greatGrandParent !== null){
+            node._parent = greatGrandParent;
+        }
+
+        return node;
+    };
+
+    /**
+     * Performs a zig-zag splay pattern<br><br>
+     *
+     * @private
+     * @method
+     * @param {Node} node Node to be zig-zag'd.
+     */
+    exports.SplayTree.prototype._zigZag = function(node){
+
+        var parent = node._parent;
+        var grandParent = parent._parent;
+        var greatGrandParent = grandParent._parent !== undefined ?
+            grandParent._parent : null;
+
+        var orientation = (parent._left === node) ? '_left' : '_right';
+        var oppositeOrientation = (orientation === '_right') ? '_left' : '_right';
+        var grandParentOrientation = (greatGrandParent !== null
+        && greatGrandParent._left === grandParent) ? '_left' : '_right';
+
+        // Fix GrandParent
+        if(this._root === grandParent){
+            this._root = node;
+        }else{
+            greatGrandParent[grandParentOrientation] = node;
+        }
+        grandParent._parent = node;
+        // Fix GrandParent subtree
+        grandParent[oppositeOrientation] = node[orientation];
+        if(grandParent[oppositeOrientation] !== null){
+            grandParent[oppositeOrientation]._parent = grandParent;
+        }
+        // Fix Parent
+        parent[orientation] = node[oppositeOrientation];
+        if(parent[orientation] !== null){
+            parent[orientation]._parent = parent;
+        }
+        parent._parent = node;
+        // Fix Curr Node
+        node[orientation] = grandParent;
+        node[oppositeOrientation] = parent;
+        if(this._root === node){
+            node._parent = null;
+        }else if(greatGrandParent !== null){
+            node._parent = greatGrandParent;
+        }
+
+        return node;
+    };
+
+    /**
+     * Performs a zig splay pattern<br><br>
+     *
+     * @private
+     * @method
+     * @param {Node} node Node to be zig'd.
+     */
+    exports.SplayTree.prototype._zig = function(node){
+
+        var parent = node._parent;
+        var orientation = (parent._right === node) ? '_right' : '_left';
+        var oppositeOrientation = (orientation === '_right') ? '_left' : '_right';
+
+        if(this._root === parent){
+            this._root = node;
+        }
+        // Fix Parent
+        parent[orientation] = node[oppositeOrientation];
+        if(parent[orientation] !== null){
+            parent[orientation]._parent = parent;
+        }
+        parent._parent = node;
+        // Fix Curr Node
+        node[oppositeOrientation] = parent;
+        node._parent = null;
+
+        return node;
+    };
+
+    /**
+     * Inserts a node into the splay tree.<br><br>
+     * Time complexity: O(log N) in the average case
+     * and amortized O(log n) in the worst case.
+     *
+     * @public
+     * @method
+     * @param {Number|String} value Node value.
+     * @param {Node} current Current node.
+     */
+    exports.SplayTree.prototype.insert = function (value, current) {
+        if (this._root === null) {
+            this._root = new exports.Node(value, null, null, null);
+            return;
+        }
+        var insertKey;
+        current = current || this._root;
+        if (current.value > value) {
+            insertKey = '_left';
+        } else {
+            insertKey = '_right';
+        }
+        if (!current[insertKey]) {
+            current[insertKey] = new exports.Node(value, null, null, current);
+            this._splay(current[insertKey]);
+        } else {
+            this.insert(value, current[insertKey]);
+        }
+    };
+
+    /**
+     * In-order traversal from the given node.
+     *
+     * @private
+     * @param {Node} current Node from which to start the traversal.
+     * @param {Function} callback Callback which
+     *    will be called for each traversed node.
+     */
+    exports.SplayTree.prototype._inorder = function (current, callback) {
+        if (!current) {
+            return;
+        }
+        this._inorder(current._left, callback);
+        if (typeof callback === 'function') {
+            callback(current);
+        }
+        this._inorder(current._right, callback);
+    };
+
+    /**
+     * In-order traversal of the whole Splay Tree.
+     *
+     * @public
+     * @method
+     * @param {Function} callback Callback which will be
+     * called for each traversed node.
+     */
+    exports.SplayTree.prototype.inorder = function (callback) {
+        return this._inorder(this._root, callback);
+    };
+
+    /**
+     * Post-order traversal from given node.
+     *
+     * @private
+     * @param {Node} current Node from which to start the traversal.
+     * @param {Function} callback Callback which will
+     * be called for each traversed node
+     */
+    exports.SplayTree.prototype._postorder = function (current, callback) {
+        if (!current) {
+            return;
+        }
+        if (typeof callback === 'function') {
+            callback(current);
+        }
+        this._postorder(current._left, callback);
+        this._postorder(current._right, callback);
+    };
+
+    /**
+     * Post-order traversal of the whole tree.
+     *
+     * @public
+     * @param {Function} callback Callback which
+     * will be called for each traversed node.
+     */
+    exports.SplayTree.prototype.postorder = function (callback) {
+        return this._postorder(this._root, callback);
+    };
+
+    /**
+     * Pre-order traversal of the tree from given node.
+     *
+     * @private
+     * @param {Node} current Node from which to start the traversal.
+     * @param {Function} callback Callback which
+     * will be called for each traversed node.
+     */
+    exports.SplayTree.prototype._preorder = function (current, callback) {
+        if (!current) {
+            return;
+        }
+        if (typeof callback === 'function') {
+            callback(current);
+        }
+        this._preorder(current._left, callback);
+        this._preorder(current._right, callback);
+    };
+
+    /**
+     * Pre-order preorder traversal of the whole tree.
+     *
+     * @public
+     * @param {Function} callback Callback which will
+     * be called for each traversed node.
+     */
+    exports.SplayTree.prototype.preorder = function (callback) {
+        return this._preorder(this._root, callback);
+    };
+
+    /**
+     * Finds a node by it's value.<br><br>
+     * Average time complexity: O(log N).
+     *
+     * @public
+     * @param {Number|String} Value of the node which should be found.
+     */
+    exports.SplayTree.prototype.search = function (value) {
+        var node = this._search(value, this._root);
+        return this._splay(node);
+    };
+
+    /**
+     * Finds a node by it's value.<br><br>
+     * Average time complexity: O(log N).
+     *
+     * @public
+     * @param {Number|String} Value of the node which should be found.
+     */
+    exports.SplayTree.prototype._splaylessSearch = function (value) {
+        return this._search(value, this._root);
+    };
+
+    /**
+     * Finds a node by it's value in a given sub-tree.
+     * Average time complexity: O(log N).
+     *
+     * @private
+     * @param {Number|String} Value of the node which should be found.
+     * @param {Node} Current node to be checked.
+     */
+    exports.SplayTree.prototype._search = function (value, current) {
+        if (!current) {
+            return null;
+        }
+
+        if (current.value === value) {
+            return current;
+        }
+
+        if (current.value > value) {
+            return this._search(value, current._left);
+        }
+
+        if (current.value < value) {
+            return this._search(value, current._right);
+        }
+    };
+
+    /**
+     * Replaces given child with new one, for given parent.
+     *
+     * @private
+     * @param {Node} parent Parent node.
+     * @param {Node} oldChild Child to be replaced.
+     * @param {Node} newChild Child replacement.
+     */
+    exports.SplayTree.prototype._replaceChild =
+        function (parent, oldChild, newChild) {
+            if (!parent) {
+                this._root = newChild;
+                this._root._parent = null;
+            } else {
+                if (parent._left === oldChild) {
+                    parent._left = newChild;
+                } else {
+                    parent._right = newChild;
+                }
+
+                if (newChild) {
+                    newChild._parent = parent;
+                }
+            }
+        };
+
+    /**
+     * Removes node with given value from the tree. <br><br>
+     * Average runtime complexity: O(log N).
+     *
+     * @public
+     * @param {Number|String} value Value to be removed
+     * @returns {Boolean} True/false depending
+     *    on whether the given node is removed.
+     */
+    exports.SplayTree.prototype.remove = function (value) {
+        var node = this._splaylessSearch(value);
+        if (!node) {
+            return false;
+        }
+        if (node._left && node._right) {
+            var min = this._findMin(node._right);
+            var temp = node.value;
+
+            node.value = min.value;
+            min.value = temp;
+            return this.remove(min);
+        } else {
+            if(node._parent !== null){
+                if (node._left) {
+                    this._replaceChild(node._parent, node, node._left);
+                } else if (node._right) {
+                    this._replaceChild(node._parent, node, node._right);
+                } else {
+                    this._replaceChild(node._parent, node, null);
+                }
+                this._splay(node._parent);
+            }else{
+                this._root = null;
+            }
+            return true;
+        }
+    };
+
+    /**
+     * Finds the node with minimum value in given sub-tree.
+     *
+     * @private
+     * @param {Node} node Root of the sub-tree.
+     * @param {Number|String} current Current minimum value of the sub-tree.
+     * @returns {Node} Node with the minimum value in the sub-tree.
+     */
+    exports.SplayTree.prototype._findMin = function (node, current) {
+        current = current || { value: Infinity };
+        if (!node) {
+            return current;
+        }
+        if (current.value > node.value) {
+            current = node;
+        }
+        return this._findMin(node._left, current);
+    };
+
+    exports.SplayTree.prototype._isBalanced = function (current) {
+        if (!current) {
+            return true;
+        }
+        return this._isBalanced(current._left)  &&
+            this._isBalanced(current._right) &&
+            Math.abs(this._getHeight(current._left) -
+            this._getHeight(current._right)) <= 1;
+    };
+
+    /**
+     * Returns whether the Splay Tree is balanced.
+     *
+     * @public
+     * @returns {Boolean} Whether the tree is balanced or not.
+     */
+    exports.SplayTree.prototype.isBalanced = function () {
+        return this._isBalanced(this._root);
+    };
+
+    /**
+     * Finds the diameter of the Splay Tree.
+     *
+     * @public
+     * @returns {Number} The longest path in the BST.
+     */
+    exports.SplayTree.prototype.getDiameter = function () {
+        var getDiameter = function (root) {
+            if (!root) {
+                return 0;
+            }
+            var leftHeight = this._getHeight(root._left);
+            var rightHeight = this._getHeight(root._right);
+            var path = leftHeight + rightHeight + 1;
+            return Math.max(path, getDiameter(root._left), getDiameter(root._right));
+        }.bind(this);
+        return getDiameter(this._root);
+    };
+
+    /**
+     * Returns the height of the tree.
+     *
+     * @public
+     * @returns {Number} The height of the tree.
+     */
+    exports.SplayTree.prototype.getHeight = function () {
+        return this._getHeight(this._root);
+    };
+
+    exports.SplayTree.prototype._getHeight = function (node) {
+        if (!node) {
+            return 0;
+        }
+        return 1 + Math.max(this._getHeight(node._left),
+                this._getHeight(node._right));
+    };
+
+    /**
+     * Finds the lowest common ancestor of two nodes.
+     *
+     * @public
+     * @returns {Node} The lowest common ancestor of the two nodes or null.
+     */
+    exports.SplayTree.prototype.lowestCommonAncestor =
+        function (firstNode, secondNode) {
+            return this._lowestCommonAncestor(firstNode, secondNode, this._root);
+        };
+
+    exports.SplayTree.prototype._lowestCommonAncestor =
+        function (firstNode, secondNode, current) {
+            var firstNodeInLeft = this._existsInSubtree(firstNode, current._left);
+            var secondNodeInLeft = this._existsInSubtree(secondNode, current._left);
+            var firstNodeInRight = this._existsInSubtree(firstNode, current._right);
+            var secondNodeInRight = this._existsInSubtree(secondNode, current._right);
+            if ((firstNodeInLeft && secondNodeInRight) ||
+                (firstNodeInRight && secondNodeInLeft)) {
+                return current;
+            }
+            if (secondNodeInLeft && firstNodeInLeft) {
+                return this._lowestCommonAncestor(firstNode, secondNode, current._left);
+            }
+            if (secondNodeInRight && secondNodeInLeft) {
+                return this._lowestCommonAncestor(firstNode, secondNode, current._right);
+            }
+            return null;
+        };
+
+    exports.SplayTree.prototype._existsInSubtree = function (node, root) {
+        if (!root) {
+            return false;
+        }
+        if (node === root.value) {
+            return true;
+        }
+        return this._existsInSubtree(node, root._left) ||
+            this._existsInSubtree(node, root._right);
+    };
+
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/test/data-structures/splay-tree.spec.js b/test/data-structures/splay-tree.spec.js
new file mode 100644
index 00000000..24609d30
--- /dev/null
+++ b/test/data-structures/splay-tree.spec.js
@@ -0,0 +1,80 @@
+'use strict';
+
+var mod = require('../../src/data-structures/splay-tree.js');
+var Node = mod.Node;
+var SplayTree = mod.SplayTree;
+
+describe('Node', function () {
+    it('should be a constructor function', function () {
+        expect(typeof Node).toBe('function');
+    });
+    it('should be a construct properly', function () {
+        var node = new Node(10, null, null, null);
+        expect(node.value).toBe(10);
+        expect(node._left).toBe(null);
+        expect(node._right).toBe(null);
+        expect(node._parent).toBe(null);
+    });
+    it('should reference children/parent properly', function () {
+        var root = new Node(10, null, null, null);
+        var left = new Node(5, null, null, root);
+        var right = new Node(15, null, null, root);
+        root._left = left;
+        root._right = right;
+        expect(root.value).toBe(10);
+        expect(root._left).toBe(left);
+        expect(root._right).toBe(right);
+        expect(root._parent).toBe(null);
+    });
+});
+
+describe('SplayTree', function () {
+    it('should be a constructor function', function () {
+        expect(typeof SplayTree).toBe('function');
+    });
+    it('should start with null root', function () {
+        expect(new SplayTree()._root).toBe(null);
+    });
+    it('should insert and remove correctly', function () {
+        var sTree = new SplayTree();
+        sTree.insert(10);
+        sTree.remove(10);
+        expect(sTree._root).toBe(null);
+    });
+    it('should splay correctly upon inserts', function () {
+        var sTree = new SplayTree();
+        sTree.insert(10);
+        sTree.insert(5);
+        sTree.insert(15);
+        sTree.insert(7);
+        sTree.insert(12);
+        expect(sTree._root.value).toBe(12);
+        expect(sTree._root._left.value).toBe(7);
+        expect(sTree._root._right.value).toBe(15);
+    });
+    it('should splay correctly upon search', function () {
+        var sTree = new SplayTree();
+        sTree.insert(10);
+        sTree.insert(5);
+        sTree.insert(15);
+        sTree.insert(7);
+        sTree.insert(12);
+        sTree.search(5);
+        expect(sTree._root.value).toBe(5);
+        expect(sTree._root._right.value).toBe(7);
+        expect(sTree._root._right._right.value).toBe(12);
+    });
+    it('should splay correctly upon remove', function () {
+        var sTree = new SplayTree();
+        sTree.insert(10);
+        sTree.insert(5);
+        sTree.insert(15);
+        sTree.insert(7);
+        sTree.insert(12);
+        sTree.remove(10);
+        expect(sTree._root.value).toBe(7);
+        expect(sTree._root._left.value).toBe(5);
+        expect(sTree._root._right.value).toBe(12);
+        expect(sTree._root._right._right.value).toBe(15);
+    });
+});

From feb63e322606ddf2ddc0d7b69c9abcf35faacec7 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sun, 22 Feb 2015 20:25:21 -0800
Subject: [PATCH 124/337] Fix #13

---
 src/data-structures/edge.js              | 20 +++++++++++++++++
 src/data-structures/vertex.js            | 16 ++++++++++++++
 src/graphs/shortest-path/bellman-ford.js | 16 ++------------
 src/graphs/spanning-trees/prim.js        | 28 ++----------------------
 4 files changed, 40 insertions(+), 40 deletions(-)
 create mode 100644 src/data-structures/edge.js
 create mode 100644 src/data-structures/vertex.js

diff --git a/src/data-structures/edge.js b/src/data-structures/edge.js
new file mode 100644
index 00000000..48fe5ec7
--- /dev/null
+++ b/src/data-structures/edge.js
@@ -0,0 +1,20 @@
+(function (exports) {
+  'use strict';
+
+  /**
+   * Graph edge.
+   *
+   * @constructor
+   * @public
+   * @param {Vertex} e Vertex which this edge connects.
+   * @param {Vertex} v Vertex which this edge connects.
+   * @param {Number} distance Weight of the edge.
+   * @module data-structures/edge
+   */
+  exports.Edge = function (e, v, distance) {
+    this.e = e;
+    this.v = v;
+    this.distance = distance;
+  };
+
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/src/data-structures/vertex.js b/src/data-structures/vertex.js
new file mode 100644
index 00000000..93afa98e
--- /dev/null
+++ b/src/data-structures/vertex.js
@@ -0,0 +1,16 @@
+(function (exports) {
+  'use strict';
+
+  /**
+   * Graph vertex.
+   *
+   * @constructor
+   * @public
+   * @param {Number} id Id of the vertex.
+   * @module data-structures/vertex
+   */
+  exports.Vertex = function (id) {
+    this.id = id;
+  };
+
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/src/graphs/shortest-path/bellman-ford.js b/src/graphs/shortest-path/bellman-ford.js
index c21af6d3..47f05b85 100644
--- a/src/graphs/shortest-path/bellman-ford.js
+++ b/src/graphs/shortest-path/bellman-ford.js
@@ -35,20 +35,8 @@
 
   'use strict';
 
-  /**
-   * Graph edge.
-   *
-   * @constructor
-   * @public
-   * @param {Vertex} u Start vertex.
-   * @param {Vertex} v End vertex.
-   * @param {Number} weight Weight of the edge.
-   */
-  exports.Edge = function (u, v, weight) {
-    this.from = u;
-    this.to = v;
-    this.weight = weight;
-  };
+  exports.Vertex = require('../../data-structures/vertex').Vertex;
+  exports.Edge = require('../../data-structures/edge').Edge;
 
   /**
    * Computes shortest paths from a single source
diff --git a/src/graphs/spanning-trees/prim.js b/src/graphs/spanning-trees/prim.js
index be7023df..f0bb9bc4 100644
--- a/src/graphs/spanning-trees/prim.js
+++ b/src/graphs/spanning-trees/prim.js
@@ -45,32 +45,8 @@
   'use strict';
 
   var Heap = require('../../data-structures/heap').Heap;
-
-  /**
-   * Graph vertex.
-   *
-   * @constructor
-   * @public
-   * @param {Number} id Id of the vertex.
-   */
-  exports.Vertex = function (id) {
-    this.id = id;
-  };
-
-  /**
-   * Graph edge.
-   *
-   * @constructor
-   * @public
-   * @param {Vertex} e Vertex which this edge connects.
-   * @param {Vertex} v Vertex which this edge connects.
-   * @param {Number} distance Weight of the edge.
-   */
-  exports.Edge = function (e, v, distance) {
-    this.e = e;
-    this.v = v;
-    this.distance = distance;
-  };
+  exports.Vertex = require('../../data-structures/vertex').Vertex;
+  exports.Edge = require('../../data-structures/edge').Edge;
 
   /**
    * Graph.

From f164e7e81e0ac5c4330155591df386a1d4c47048 Mon Sep 17 00:00:00 2001
From: Jake Prather <JakeHP@Zoho.com>
Date: Sun, 22 Feb 2015 22:47:37 -0600
Subject: [PATCH 125/337] switched to 2 space indentation.

---
 src/data-structures/splay-tree.js       | 1044 ++++++++++++-----------
 test/data-structures/splay-tree.spec.js |  138 +--
 2 files changed, 594 insertions(+), 588 deletions(-)

diff --git a/src/data-structures/splay-tree.js b/src/data-structures/splay-tree.js
index 6e55ea26..b7aff748 100644
--- a/src/data-structures/splay-tree.js
+++ b/src/data-structures/splay-tree.js
@@ -20,540 +20,546 @@
  * @module data-structures/splay-tree
  */
 (function (exports) {
-    'use strict';
-
-    /**
-     * Node of the tree.
-     *
-     * @public
-     * @constructor
-     * @param {Number|String} value Value of the node.
-     * @param {Node} left Left sibling.
-     * @param {Node} right Right sibling.
-     * @param {Node} parent Parent of the node.
-     */
-    exports.Node = function (value, left, right, parent) {
-        /**
-         * @member {Number|String}
-         */
-        this.value = value;
-        this._left = left;
-        this._right = right;
-        this._parent = parent;
-    };
-
-    /**
-     * Splay tree.
-     * http://en.wikipedia.org/wiki/Splay_tree
-     * @public
-     * @constructor
-     */
-    exports.SplayTree = function () {
-        this._root = null;
-    };
-
-    /**
-     * Splays a node to the root.<br><br>
-     *
-     * @private
-     * @method
-     * @param {Node} node Node to be splayed.
-     */
-    exports.SplayTree.prototype._splay = function(node){
-        while(this._root !== node){
-            var hasParent = node._parent !== null;
-            var hasGrandparent = (hasParent && node._parent._parent !== null);
-            if(hasParent && hasGrandparent){
-                var isLeftChild = node._parent._left === node;
-                var isParentLeftChild = node._parent._parent._left === node._parent;
-                if((isLeftChild && isParentLeftChild) || (!isLeftChild && !isParentLeftChild)){
-                    node = this._zigZig(node);
-                }else{
-                    node = this._zigZag(node);
-                }
-            }else{
-                node = this._zig(node);
-            }
-        }
-        return node;
-    };
-
-    /**
-     * Performs a zig-zig splay pattern<br><br>
-     *
-     * @private
-     * @method
-     * @param {Node} node Node to be zig-zig'd.
-     */
-    exports.SplayTree.prototype._zigZig = function(node){
-
-        var parent = node._parent;
-        var grandParent = node._parent._parent;
-        var greatGrandParent = grandParent._parent !== undefined ?
-            grandParent._parent : null;
-
-        var orientation = (parent._right === node) ? '_right' : '_left';
-        var oppositeOrientation = (orientation === '_left') ? '_right' : '_left';
-        var grandParentOrientation = (greatGrandParent !== null
-        && greatGrandParent._left === grandParent) ? '_left' : '_right';
-
-        // Fix grandparent & great if it exists/not root
-        if(this._root === grandParent){
-            this._root = node;
-        }else{
-            greatGrandParent[grandParentOrientation] = node;
-        }
-        grandParent._parent = parent;
-        // Fix grandparent subtree
-        grandParent[orientation] = parent[oppositeOrientation];
-        if(grandParent[orientation] !== null){
-            grandParent[orientation]._parent = grandParent;
-        }
-        // Fix Parent
-        parent[oppositeOrientation] = grandParent;
-        parent[orientation] = node[oppositeOrientation];
-        if(parent[orientation] !== null){
-            parent[orientation]._parent = parent;
-        }
-        parent._parent = node;
-        // Fix Curr Node
-        node[oppositeOrientation] = parent;
-        if(node === this._root){
-            node._parent = null;
-        }else if(greatGrandParent !== null){
-            node._parent = greatGrandParent;
-        }
-
-        return node;
-    };
-
+  'use strict';
+
+  /**
+   * Node of the tree.
+   *
+   * @public
+   * @constructor
+   * @param {Number|String} value Value of the node.
+   * @param {Node} left Left sibling.
+   * @param {Node} right Right sibling.
+   * @param {Node} parent Parent of the node.
+   */
+  exports.Node = function (value, left, right, parent) {
     /**
-     * Performs a zig-zag splay pattern<br><br>
-     *
-     * @private
-     * @method
-     * @param {Node} node Node to be zig-zag'd.
+     * @member {Number|String}
      */
-    exports.SplayTree.prototype._zigZag = function(node){
-
-        var parent = node._parent;
-        var grandParent = parent._parent;
-        var greatGrandParent = grandParent._parent !== undefined ?
-            grandParent._parent : null;
-
-        var orientation = (parent._left === node) ? '_left' : '_right';
-        var oppositeOrientation = (orientation === '_right') ? '_left' : '_right';
-        var grandParentOrientation = (greatGrandParent !== null
-        && greatGrandParent._left === grandParent) ? '_left' : '_right';
-
-        // Fix GrandParent
-        if(this._root === grandParent){
-            this._root = node;
-        }else{
-            greatGrandParent[grandParentOrientation] = node;
-        }
-        grandParent._parent = node;
-        // Fix GrandParent subtree
-        grandParent[oppositeOrientation] = node[orientation];
-        if(grandParent[oppositeOrientation] !== null){
-            grandParent[oppositeOrientation]._parent = grandParent;
-        }
-        // Fix Parent
-        parent[orientation] = node[oppositeOrientation];
-        if(parent[orientation] !== null){
-            parent[orientation]._parent = parent;
-        }
-        parent._parent = node;
-        // Fix Curr Node
-        node[orientation] = grandParent;
-        node[oppositeOrientation] = parent;
-        if(this._root === node){
-            node._parent = null;
-        }else if(greatGrandParent !== null){
-            node._parent = greatGrandParent;
-        }
-
-        return node;
-    };
-
-    /**
-     * Performs a zig splay pattern<br><br>
-     *
-     * @private
-     * @method
-     * @param {Node} node Node to be zig'd.
-     */
-    exports.SplayTree.prototype._zig = function(node){
-
-        var parent = node._parent;
-        var orientation = (parent._right === node) ? '_right' : '_left';
-        var oppositeOrientation = (orientation === '_right') ? '_left' : '_right';
-
-        if(this._root === parent){
-            this._root = node;
-        }
-        // Fix Parent
-        parent[orientation] = node[oppositeOrientation];
-        if(parent[orientation] !== null){
-            parent[orientation]._parent = parent;
-        }
-        parent._parent = node;
-        // Fix Curr Node
-        node[oppositeOrientation] = parent;
-        node._parent = null;
-
-        return node;
-    };
-
-    /**
-     * Inserts a node into the splay tree.<br><br>
-     * Time complexity: O(log N) in the average case
-     * and amortized O(log n) in the worst case.
-     *
-     * @public
-     * @method
-     * @param {Number|String} value Node value.
-     * @param {Node} current Current node.
-     */
-    exports.SplayTree.prototype.insert = function (value, current) {
-        if (this._root === null) {
-            this._root = new exports.Node(value, null, null, null);
-            return;
-        }
-        var insertKey;
-        current = current || this._root;
-        if (current.value > value) {
-            insertKey = '_left';
+    this.value = value;
+    this._left = left;
+    this._right = right;
+    this._parent = parent;
+  };
+
+  /**
+   * Splay tree.
+   * http://en.wikipedia.org/wiki/Splay_tree
+   * @public
+   * @constructor
+   */
+  exports.SplayTree = function () {
+    this._root = null;
+  };
+
+  /**
+   * Splays a node to the root.<br><br>
+   *
+   * @private
+   * @method
+   * @param {Node} node Node to be splayed.
+   */
+  exports.SplayTree.prototype._splay = function (node) {
+    while (this._root !== node) {
+      var hasParent = node._parent !== null;
+      var hasGrandparent = (hasParent && node._parent._parent !== null);
+      if (hasParent && hasGrandparent) {
+        var isLeftChild = node._parent._left === node;
+        var isParentLeftChild = node._parent._parent._left === node._parent;
+        if (
+          (isLeftChild && isParentLeftChild) ||
+          (!isLeftChild && !isParentLeftChild)
+        ) {
+          node = this._zigZig(node);
         } else {
-            insertKey = '_right';
-        }
-        if (!current[insertKey]) {
-            current[insertKey] = new exports.Node(value, null, null, current);
-            this._splay(current[insertKey]);
+          node = this._zigZag(node);
+        }
+      } else {
+        node = this._zig(node);
+      }
+    }
+    return node;
+  };
+
+  /**
+   * Performs a zig-zig splay pattern<br><br>
+   *
+   * @private
+   * @method
+   * @param {Node} node Node to be zig-zig'd.
+   */
+  exports.SplayTree.prototype._zigZig = function (node) {
+
+    var parent = node._parent;
+    var grandParent = node._parent._parent;
+    var greatGrandParent = grandParent._parent !== undefined ?
+      grandParent._parent : null;
+
+    var orientation = (parent._right === node) ? '_right' : '_left';
+    var oppositeOrientation = (orientation === '_left') ? '_right' : '_left';
+    var grandParentOrientation = (greatGrandParent !== null &&
+      greatGrandParent._left === grandParent) ? '_left' : '_right';
+
+    // Fix grandparent & great if it exists/not root
+    if (this._root === grandParent) {
+      this._root = node;
+    } else {
+      greatGrandParent[grandParentOrientation] = node;
+    }
+    grandParent._parent = parent;
+    // Fix grandparent subtree
+    grandParent[orientation] = parent[oppositeOrientation];
+    if (grandParent[orientation] !== null) {
+      grandParent[orientation]._parent = grandParent;
+    }
+    // Fix Parent
+    parent[oppositeOrientation] = grandParent;
+    parent[orientation] = node[oppositeOrientation];
+    if (parent[orientation] !== null) {
+      parent[orientation]._parent = parent;
+    }
+    parent._parent = node;
+    // Fix Curr Node
+    node[oppositeOrientation] = parent;
+    if (node === this._root) {
+      node._parent = null;
+    } else if (greatGrandParent !== null) {
+      node._parent = greatGrandParent;
+    }
+
+    return node;
+  };
+
+  /**
+   * Performs a zig-zag splay pattern<br><br>
+   *
+   * @private
+   * @method
+   * @param {Node} node Node to be zig-zag'd.
+   */
+  exports.SplayTree.prototype._zigZag = function (node) {
+
+    var parent = node._parent;
+    var grandParent = parent._parent;
+    var greatGrandParent = grandParent._parent !== undefined ?
+      grandParent._parent : null;
+
+    var orientation = (parent._left === node) ? '_left' : '_right';
+    var oppositeOrientation = (orientation === '_right') ? '_left' : '_right';
+    var grandParentOrientation = (greatGrandParent !== null &&
+      greatGrandParent._left === grandParent) ? '_left' : '_right';
+
+    // Fix GrandParent
+    if (this._root === grandParent) {
+      this._root = node;
+    } else {
+      greatGrandParent[grandParentOrientation] = node;
+    }
+    grandParent._parent = node;
+    // Fix GrandParent subtree
+    grandParent[oppositeOrientation] = node[orientation];
+    if (grandParent[oppositeOrientation] !== null) {
+      grandParent[oppositeOrientation]._parent = grandParent;
+    }
+    // Fix Parent
+    parent[orientation] = node[oppositeOrientation];
+    if (parent[orientation] !== null) {
+      parent[orientation]._parent = parent;
+    }
+    parent._parent = node;
+    // Fix Curr Node
+    node[orientation] = grandParent;
+    node[oppositeOrientation] = parent;
+    if (this._root === node) {
+      node._parent = null;
+    } else if (greatGrandParent !== null) {
+      node._parent = greatGrandParent;
+    }
+
+    return node;
+  };
+
+  /**
+   * Performs a zig splay pattern<br><br>
+   *
+   * @private
+   * @method
+   * @param {Node} node Node to be zig'd.
+   */
+  exports.SplayTree.prototype._zig = function (node) {
+
+    var parent = node._parent;
+    var orientation = (parent._right === node) ? '_right' : '_left';
+    var oppositeOrientation = (orientation === '_right') ? '_left' : '_right';
+
+    if (this._root === parent) {
+      this._root = node;
+    }
+    // Fix Parent
+    parent[orientation] = node[oppositeOrientation];
+    if (parent[orientation] !== null) {
+      parent[orientation]._parent = parent;
+    }
+    parent._parent = node;
+    // Fix Curr Node
+    node[oppositeOrientation] = parent;
+    node._parent = null;
+
+    return node;
+  };
+
+  /**
+   * Inserts a node into the splay tree.<br><br>
+   * Time complexity: O(log N) in the average case
+   * and amortized O(log n) in the worst case.
+   *
+   * @public
+   * @method
+   * @param {Number|String} value Node value.
+   * @param {Node} current Current node.
+   */
+  exports.SplayTree.prototype.insert = function (value, current) {
+    if (this._root === null) {
+      this._root = new exports.Node(value, null, null, null);
+      return;
+    }
+    var insertKey;
+    current = current || this._root;
+    if (current.value > value) {
+      insertKey = '_left';
+    } else {
+      insertKey = '_right';
+    }
+    if (!current[insertKey]) {
+      current[insertKey] = new exports.Node(value, null, null, current);
+      this._splay(current[insertKey]);
+    } else {
+      this.insert(value, current[insertKey]);
+    }
+  };
+
+  /**
+   * In-order traversal from the given node.
+   *
+   * @private
+   * @param {Node} current Node from which to start the traversal.
+   * @param {Function} callback Callback which
+   *    will be called for each traversed node.
+   */
+  exports.SplayTree.prototype._inorder = function (current, callback) {
+    if (!current) {
+      return;
+    }
+    this._inorder(current._left, callback);
+    if (typeof callback === 'function') {
+      callback(current);
+    }
+    this._inorder(current._right, callback);
+  };
+
+  /**
+   * In-order traversal of the whole Splay Tree.
+   *
+   * @public
+   * @method
+   * @param {Function} callback Callback which will be
+   * called for each traversed node.
+   */
+  exports.SplayTree.prototype.inorder = function (callback) {
+    return this._inorder(this._root, callback);
+  };
+
+  /**
+   * Post-order traversal from given node.
+   *
+   * @private
+   * @param {Node} current Node from which to start the traversal.
+   * @param {Function} callback Callback which will
+   * be called for each traversed node
+   */
+  exports.SplayTree.prototype._postorder = function (current, callback) {
+    if (!current) {
+      return;
+    }
+    if (typeof callback === 'function') {
+      callback(current);
+    }
+    this._postorder(current._left, callback);
+    this._postorder(current._right, callback);
+  };
+
+  /**
+   * Post-order traversal of the whole tree.
+   *
+   * @public
+   * @param {Function} callback Callback which
+   * will be called for each traversed node.
+   */
+  exports.SplayTree.prototype.postorder = function (callback) {
+    return this._postorder(this._root, callback);
+  };
+
+  /**
+   * Pre-order traversal of the tree from given node.
+   *
+   * @private
+   * @param {Node} current Node from which to start the traversal.
+   * @param {Function} callback Callback which
+   * will be called for each traversed node.
+   */
+  exports.SplayTree.prototype._preorder = function (current, callback) {
+    if (!current) {
+      return;
+    }
+    if (typeof callback === 'function') {
+      callback(current);
+    }
+    this._preorder(current._left, callback);
+    this._preorder(current._right, callback);
+  };
+
+  /**
+   * Pre-order preorder traversal of the whole tree.
+   *
+   * @public
+   * @param {Function} callback Callback which will
+   * be called for each traversed node.
+   */
+  exports.SplayTree.prototype.preorder = function (callback) {
+    return this._preorder(this._root, callback);
+  };
+
+  /**
+   * Finds a node by it's value.<br><br>
+   * Average time complexity: O(log N).
+   *
+   * @public
+   * @param {Number|String} Value of the node which should be found.
+   */
+  exports.SplayTree.prototype.search = function (value) {
+    var node = this._search(value, this._root);
+    return this._splay(node);
+  };
+
+  /**
+   * Finds a node by it's value.<br><br>
+   * Average time complexity: O(log N).
+   *
+   * @public
+   * @param {Number|String} Value of the node which should be found.
+   */
+  exports.SplayTree.prototype._splaylessSearch = function (value) {
+    return this._search(value, this._root);
+  };
+
+  /**
+   * Finds a node by it's value in a given sub-tree.
+   * Average time complexity: O(log N).
+   *
+   * @private
+   * @param {Number|String} Value of the node which should be found.
+   * @param {Node} Current node to be checked.
+   */
+  exports.SplayTree.prototype._search = function (value, current) {
+    if (!current) {
+      return null;
+    }
+
+    if (current.value === value) {
+      return current;
+    }
+
+    if (current.value > value) {
+      return this._search(value, current._left);
+    }
+
+    if (current.value < value) {
+      return this._search(value, current._right);
+    }
+  };
+
+  /**
+   * Replaces given child with new one, for given parent.
+   *
+   * @private
+   * @param {Node} parent Parent node.
+   * @param {Node} oldChild Child to be replaced.
+   * @param {Node} newChild Child replacement.
+   */
+  exports.SplayTree.prototype._replaceChild =
+    function (parent, oldChild, newChild) {
+      if (!parent) {
+        this._root = newChild;
+        this._root._parent = null;
+      } else {
+        if (parent._left === oldChild) {
+          parent._left = newChild;
         } else {
-            this.insert(value, current[insertKey]);
+          parent._right = newChild;
         }
-    };
 
-    /**
-     * In-order traversal from the given node.
-     *
-     * @private
-     * @param {Node} current Node from which to start the traversal.
-     * @param {Function} callback Callback which
-     *    will be called for each traversed node.
-     */
-    exports.SplayTree.prototype._inorder = function (current, callback) {
-        if (!current) {
-            return;
-        }
-        this._inorder(current._left, callback);
-        if (typeof callback === 'function') {
-            callback(current);
+        if (newChild) {
+          newChild._parent = parent;
         }
-        this._inorder(current._right, callback);
+      }
     };
 
-    /**
-     * In-order traversal of the whole Splay Tree.
-     *
-     * @public
-     * @method
-     * @param {Function} callback Callback which will be
-     * called for each traversed node.
-     */
-    exports.SplayTree.prototype.inorder = function (callback) {
-        return this._inorder(this._root, callback);
-    };
-
-    /**
-     * Post-order traversal from given node.
-     *
-     * @private
-     * @param {Node} current Node from which to start the traversal.
-     * @param {Function} callback Callback which will
-     * be called for each traversed node
-     */
-    exports.SplayTree.prototype._postorder = function (current, callback) {
-        if (!current) {
-            return;
-        }
-        if (typeof callback === 'function') {
-            callback(current);
-        }
-        this._postorder(current._left, callback);
-        this._postorder(current._right, callback);
-    };
-
-    /**
-     * Post-order traversal of the whole tree.
-     *
-     * @public
-     * @param {Function} callback Callback which
-     * will be called for each traversed node.
-     */
-    exports.SplayTree.prototype.postorder = function (callback) {
-        return this._postorder(this._root, callback);
-    };
-
-    /**
-     * Pre-order traversal of the tree from given node.
-     *
-     * @private
-     * @param {Node} current Node from which to start the traversal.
-     * @param {Function} callback Callback which
-     * will be called for each traversed node.
-     */
-    exports.SplayTree.prototype._preorder = function (current, callback) {
-        if (!current) {
-            return;
-        }
-        if (typeof callback === 'function') {
-            callback(current);
-        }
-        this._preorder(current._left, callback);
-        this._preorder(current._right, callback);
-    };
-
-    /**
-     * Pre-order preorder traversal of the whole tree.
-     *
-     * @public
-     * @param {Function} callback Callback which will
-     * be called for each traversed node.
-     */
-    exports.SplayTree.prototype.preorder = function (callback) {
-        return this._preorder(this._root, callback);
-    };
-
-    /**
-     * Finds a node by it's value.<br><br>
-     * Average time complexity: O(log N).
-     *
-     * @public
-     * @param {Number|String} Value of the node which should be found.
-     */
-    exports.SplayTree.prototype.search = function (value) {
-        var node = this._search(value, this._root);
-        return this._splay(node);
-    };
-
-    /**
-     * Finds a node by it's value.<br><br>
-     * Average time complexity: O(log N).
-     *
-     * @public
-     * @param {Number|String} Value of the node which should be found.
-     */
-    exports.SplayTree.prototype._splaylessSearch = function (value) {
-        return this._search(value, this._root);
-    };
-
-    /**
-     * Finds a node by it's value in a given sub-tree.
-     * Average time complexity: O(log N).
-     *
-     * @private
-     * @param {Number|String} Value of the node which should be found.
-     * @param {Node} Current node to be checked.
-     */
-    exports.SplayTree.prototype._search = function (value, current) {
-        if (!current) {
-            return null;
-        }
-
-        if (current.value === value) {
-            return current;
-        }
-
-        if (current.value > value) {
-            return this._search(value, current._left);
-        }
-
-        if (current.value < value) {
-            return this._search(value, current._right);
-        }
-    };
-
-    /**
-     * Replaces given child with new one, for given parent.
-     *
-     * @private
-     * @param {Node} parent Parent node.
-     * @param {Node} oldChild Child to be replaced.
-     * @param {Node} newChild Child replacement.
-     */
-    exports.SplayTree.prototype._replaceChild =
-        function (parent, oldChild, newChild) {
-            if (!parent) {
-                this._root = newChild;
-                this._root._parent = null;
-            } else {
-                if (parent._left === oldChild) {
-                    parent._left = newChild;
-                } else {
-                    parent._right = newChild;
-                }
-
-                if (newChild) {
-                    newChild._parent = parent;
-                }
-            }
-        };
-
-    /**
-     * Removes node with given value from the tree. <br><br>
-     * Average runtime complexity: O(log N).
-     *
-     * @public
-     * @param {Number|String} value Value to be removed
-     * @returns {Boolean} True/false depending
-     *    on whether the given node is removed.
-     */
-    exports.SplayTree.prototype.remove = function (value) {
-        var node = this._splaylessSearch(value);
-        if (!node) {
-            return false;
-        }
-        if (node._left && node._right) {
-            var min = this._findMin(node._right);
-            var temp = node.value;
-
-            node.value = min.value;
-            min.value = temp;
-            return this.remove(min);
+  /**
+   * Removes node with given value from the tree. <br><br>
+   * Average runtime complexity: O(log N).
+   *
+   * @public
+   * @param {Number|String} value Value to be removed
+   * @returns {Boolean} True/false depending
+   *    on whether the given node is removed.
+   */
+  exports.SplayTree.prototype.remove = function (value) {
+    var node = this._splaylessSearch(value);
+    if (!node) {
+      return false;
+    }
+    if (node._left && node._right) {
+      var min = this._findMin(node._right);
+      var temp = node.value;
+
+      node.value = min.value;
+      min.value = temp;
+      return this.remove(min);
+    } else {
+      if (node._parent !== null) {
+        if (node._left) {
+          this._replaceChild(node._parent, node, node._left);
+        } else if (node._right) {
+          this._replaceChild(node._parent, node, node._right);
         } else {
-            if(node._parent !== null){
-                if (node._left) {
-                    this._replaceChild(node._parent, node, node._left);
-                } else if (node._right) {
-                    this._replaceChild(node._parent, node, node._right);
-                } else {
-                    this._replaceChild(node._parent, node, null);
-                }
-                this._splay(node._parent);
-            }else{
-                this._root = null;
-            }
-            return true;
-        }
-    };
-
-    /**
-     * Finds the node with minimum value in given sub-tree.
-     *
-     * @private
-     * @param {Node} node Root of the sub-tree.
-     * @param {Number|String} current Current minimum value of the sub-tree.
-     * @returns {Node} Node with the minimum value in the sub-tree.
-     */
-    exports.SplayTree.prototype._findMin = function (node, current) {
-        current = current || { value: Infinity };
-        if (!node) {
-            return current;
-        }
-        if (current.value > node.value) {
-            current = node;
-        }
-        return this._findMin(node._left, current);
-    };
-
-    exports.SplayTree.prototype._isBalanced = function (current) {
-        if (!current) {
-            return true;
+          this._replaceChild(node._parent, node, null);
         }
-        return this._isBalanced(current._left)  &&
-            this._isBalanced(current._right) &&
-            Math.abs(this._getHeight(current._left) -
-            this._getHeight(current._right)) <= 1;
-    };
-
-    /**
-     * Returns whether the Splay Tree is balanced.
-     *
-     * @public
-     * @returns {Boolean} Whether the tree is balanced or not.
-     */
-    exports.SplayTree.prototype.isBalanced = function () {
-        return this._isBalanced(this._root);
+        this._splay(node._parent);
+      } else {
+        this._root = null;
+      }
+      return true;
+    }
+  };
+
+  /**
+   * Finds the node with minimum value in given sub-tree.
+   *
+   * @private
+   * @param {Node} node Root of the sub-tree.
+   * @param {Number|String} current Current minimum value of the sub-tree.
+   * @returns {Node} Node with the minimum value in the sub-tree.
+   */
+  exports.SplayTree.prototype._findMin = function (node, current) {
+    current = current || {
+      value: Infinity
     };
-
-    /**
-     * Finds the diameter of the Splay Tree.
-     *
-     * @public
-     * @returns {Number} The longest path in the BST.
-     */
-    exports.SplayTree.prototype.getDiameter = function () {
-        var getDiameter = function (root) {
-            if (!root) {
-                return 0;
-            }
-            var leftHeight = this._getHeight(root._left);
-            var rightHeight = this._getHeight(root._right);
-            var path = leftHeight + rightHeight + 1;
-            return Math.max(path, getDiameter(root._left), getDiameter(root._right));
-        }.bind(this);
-        return getDiameter(this._root);
+    if (!node) {
+      return current;
+    }
+    if (current.value > node.value) {
+      current = node;
+    }
+    return this._findMin(node._left, current);
+  };
+
+  exports.SplayTree.prototype._isBalanced = function (current) {
+    if (!current) {
+      return true;
+    }
+    return this._isBalanced(current._left) &&
+      this._isBalanced(current._right) &&
+      Math.abs(this._getHeight(current._left) -
+        this._getHeight(current._right)) <= 1;
+  };
+
+  /**
+   * Returns whether the Splay Tree is balanced.
+   *
+   * @public
+   * @returns {Boolean} Whether the tree is balanced or not.
+   */
+  exports.SplayTree.prototype.isBalanced = function () {
+    return this._isBalanced(this._root);
+  };
+
+  /**
+   * Finds the diameter of the Splay Tree.
+   *
+   * @public
+   * @returns {Number} The longest path in the tree.
+   */
+  exports.SplayTree.prototype.getDiameter = function () {
+    var getDiameter = function (root) {
+      if (!root) {
+        return 0;
+      }
+      var leftHeight = this._getHeight(root._left);
+      var rightHeight = this._getHeight(root._right);
+      var path = leftHeight + rightHeight + 1;
+      return Math.max(path, getDiameter(root._left), getDiameter(root._right));
+    }.bind(this);
+    return getDiameter(this._root);
+  };
+
+  /**
+   * Returns the height of the tree.
+   *
+   * @public
+   * @returns {Number} The height of the tree.
+   */
+  exports.SplayTree.prototype.getHeight = function () {
+    return this._getHeight(this._root);
+  };
+
+  exports.SplayTree.prototype._getHeight = function (node) {
+    if (!node) {
+      return 0;
+    }
+    return 1 + Math.max(this._getHeight(node._left),
+      this._getHeight(node._right));
+  };
+
+  /**
+   * Finds the lowest common ancestor of two nodes.
+   *
+   * @public
+   * @returns {Node} The lowest common ancestor of the two nodes or null.
+   */
+  exports.SplayTree.prototype.lowestCommonAncestor =
+    function (firstNode, secondNode) {
+      return this._lowestCommonAncestor(firstNode, secondNode, this._root);
     };
 
-    /**
-     * Returns the height of the tree.
-     *
-     * @public
-     * @returns {Number} The height of the tree.
-     */
-    exports.SplayTree.prototype.getHeight = function () {
-        return this._getHeight(this._root);
+  exports.SplayTree.prototype._lowestCommonAncestor =
+    function (firstNode, secondNode, current) {
+      var firstNodeInLeft = this._existsInSubtree(firstNode, current._left);
+      var secondNodeInLeft = this._existsInSubtree(secondNode, current._left);
+      var firstNodeInRight = this._existsInSubtree(firstNode, current._right);
+      var secondNodeInRight = this._existsInSubtree(secondNode, current._right);
+      if ((firstNodeInLeft && secondNodeInRight) ||
+        (firstNodeInRight && secondNodeInLeft)) {
+        return current;
+      }
+      if (secondNodeInLeft && firstNodeInLeft) {
+        return this._lowestCommonAncestor(firstNode, secondNode, current._left);
+      }
+      if (secondNodeInRight && secondNodeInLeft) {
+        return this._lowestCommonAncestor(firstNode, secondNode,
+          current._right);
+      }
+      return null;
     };
 
-    exports.SplayTree.prototype._getHeight = function (node) {
-        if (!node) {
-            return 0;
-        }
-        return 1 + Math.max(this._getHeight(node._left),
-                this._getHeight(node._right));
-    };
-
-    /**
-     * Finds the lowest common ancestor of two nodes.
-     *
-     * @public
-     * @returns {Node} The lowest common ancestor of the two nodes or null.
-     */
-    exports.SplayTree.prototype.lowestCommonAncestor =
-        function (firstNode, secondNode) {
-            return this._lowestCommonAncestor(firstNode, secondNode, this._root);
-        };
-
-    exports.SplayTree.prototype._lowestCommonAncestor =
-        function (firstNode, secondNode, current) {
-            var firstNodeInLeft = this._existsInSubtree(firstNode, current._left);
-            var secondNodeInLeft = this._existsInSubtree(secondNode, current._left);
-            var firstNodeInRight = this._existsInSubtree(firstNode, current._right);
-            var secondNodeInRight = this._existsInSubtree(secondNode, current._right);
-            if ((firstNodeInLeft && secondNodeInRight) ||
-                (firstNodeInRight && secondNodeInLeft)) {
-                return current;
-            }
-            if (secondNodeInLeft && firstNodeInLeft) {
-                return this._lowestCommonAncestor(firstNode, secondNode, current._left);
-            }
-            if (secondNodeInRight && secondNodeInLeft) {
-                return this._lowestCommonAncestor(firstNode, secondNode, current._right);
-            }
-            return null;
-        };
-
-    exports.SplayTree.prototype._existsInSubtree = function (node, root) {
-        if (!root) {
-            return false;
-        }
-        if (node === root.value) {
-            return true;
-        }
-        return this._existsInSubtree(node, root._left) ||
-            this._existsInSubtree(node, root._right);
-    };
+  exports.SplayTree.prototype._existsInSubtree = function (node, root) {
+    if (!root) {
+      return false;
+    }
+    if (node === root.value) {
+      return true;
+    }
+    return this._existsInSubtree(node, root._left) ||
+      this._existsInSubtree(node, root._right);
+  };
 
 })(typeof window === 'undefined' ? module.exports : window);
diff --git a/test/data-structures/splay-tree.spec.js b/test/data-structures/splay-tree.spec.js
index 24609d30..05e13a0d 100644
--- a/test/data-structures/splay-tree.spec.js
+++ b/test/data-structures/splay-tree.spec.js
@@ -5,76 +5,76 @@ var Node = mod.Node;
 var SplayTree = mod.SplayTree;
 
 describe('Node', function () {
-    it('should be a constructor function', function () {
-        expect(typeof Node).toBe('function');
-    });
-    it('should be a construct properly', function () {
-        var node = new Node(10, null, null, null);
-        expect(node.value).toBe(10);
-        expect(node._left).toBe(null);
-        expect(node._right).toBe(null);
-        expect(node._parent).toBe(null);
-    });
-    it('should reference children/parent properly', function () {
-        var root = new Node(10, null, null, null);
-        var left = new Node(5, null, null, root);
-        var right = new Node(15, null, null, root);
-        root._left = left;
-        root._right = right;
-        expect(root.value).toBe(10);
-        expect(root._left).toBe(left);
-        expect(root._right).toBe(right);
-        expect(root._parent).toBe(null);
-    });
+  it('should be a constructor function', function () {
+    expect(typeof Node).toBe('function');
+  });
+  it('should be a construct properly', function () {
+    var node = new Node(10, null, null, null);
+    expect(node.value).toBe(10);
+    expect(node._left).toBe(null);
+    expect(node._right).toBe(null);
+    expect(node._parent).toBe(null);
+  });
+  it('should reference children/parent properly', function () {
+    var root = new Node(10, null, null, null);
+    var left = new Node(5, null, null, root);
+    var right = new Node(15, null, null, root);
+    root._left = left;
+    root._right = right;
+    expect(root.value).toBe(10);
+    expect(root._left).toBe(left);
+    expect(root._right).toBe(right);
+    expect(root._parent).toBe(null);
+  });
 });
 
 describe('SplayTree', function () {
-    it('should be a constructor function', function () {
-        expect(typeof SplayTree).toBe('function');
-    });
-    it('should start with null root', function () {
-        expect(new SplayTree()._root).toBe(null);
-    });
-    it('should insert and remove correctly', function () {
-        var sTree = new SplayTree();
-        sTree.insert(10);
-        sTree.remove(10);
-        expect(sTree._root).toBe(null);
-    });
-    it('should splay correctly upon inserts', function () {
-        var sTree = new SplayTree();
-        sTree.insert(10);
-        sTree.insert(5);
-        sTree.insert(15);
-        sTree.insert(7);
-        sTree.insert(12);
-        expect(sTree._root.value).toBe(12);
-        expect(sTree._root._left.value).toBe(7);
-        expect(sTree._root._right.value).toBe(15);
-    });
-    it('should splay correctly upon search', function () {
-        var sTree = new SplayTree();
-        sTree.insert(10);
-        sTree.insert(5);
-        sTree.insert(15);
-        sTree.insert(7);
-        sTree.insert(12);
-        sTree.search(5);
-        expect(sTree._root.value).toBe(5);
-        expect(sTree._root._right.value).toBe(7);
-        expect(sTree._root._right._right.value).toBe(12);
-    });
-    it('should splay correctly upon remove', function () {
-        var sTree = new SplayTree();
-        sTree.insert(10);
-        sTree.insert(5);
-        sTree.insert(15);
-        sTree.insert(7);
-        sTree.insert(12);
-        sTree.remove(10);
-        expect(sTree._root.value).toBe(7);
-        expect(sTree._root._left.value).toBe(5);
-        expect(sTree._root._right.value).toBe(12);
-        expect(sTree._root._right._right.value).toBe(15);
-    });
+  it('should be a constructor function', function () {
+    expect(typeof SplayTree).toBe('function');
+  });
+  it('should start with null root', function () {
+    expect(new SplayTree()._root).toBe(null);
+  });
+  it('should insert and remove correctly', function () {
+    var sTree = new SplayTree();
+    sTree.insert(10);
+    sTree.remove(10);
+    expect(sTree._root).toBe(null);
+  });
+  it('should splay correctly upon inserts', function () {
+    var sTree = new SplayTree();
+    sTree.insert(10);
+    sTree.insert(5);
+    sTree.insert(15);
+    sTree.insert(7);
+    sTree.insert(12);
+    expect(sTree._root.value).toBe(12);
+    expect(sTree._root._left.value).toBe(7);
+    expect(sTree._root._right.value).toBe(15);
+  });
+  it('should splay correctly upon search', function () {
+    var sTree = new SplayTree();
+    sTree.insert(10);
+    sTree.insert(5);
+    sTree.insert(15);
+    sTree.insert(7);
+    sTree.insert(12);
+    sTree.search(5);
+    expect(sTree._root.value).toBe(5);
+    expect(sTree._root._right.value).toBe(7);
+    expect(sTree._root._right._right.value).toBe(12);
+  });
+  it('should splay correctly upon remove', function () {
+    var sTree = new SplayTree();
+    sTree.insert(10);
+    sTree.insert(5);
+    sTree.insert(15);
+    sTree.insert(7);
+    sTree.insert(12);
+    sTree.remove(10);
+    expect(sTree._root.value).toBe(7);
+    expect(sTree._root._left.value).toBe(5);
+    expect(sTree._root._right.value).toBe(12);
+    expect(sTree._root._right._right.value).toBe(15);
+  });
 });

From f562911434e7bc32da56da8327a9f80d9c89ac9b Mon Sep 17 00:00:00 2001
From: Jake Prather <JakeHP@Zoho.com>
Date: Mon, 23 Feb 2015 19:12:32 -0600
Subject: [PATCH 126/337] bst remove root node fix. bst specs.

---
 src/data-structures/binary-search-tree.js     | 25 +++---
 .../binary-search-tree.spec.js                | 77 +++++++++++++++++++
 2 files changed, 91 insertions(+), 11 deletions(-)
 create mode 100644 test/data-structures/binary-search-tree.spec.js

diff --git a/src/data-structures/binary-search-tree.js b/src/data-structures/binary-search-tree.js
index c1dc844d..9aa08f28 100644
--- a/src/data-structures/binary-search-tree.js
+++ b/src/data-structures/binary-search-tree.js
@@ -181,7 +181,7 @@
    * Average time complexity: O(log N).
    *
    * @public
-   * @param {Number|String} Value of the node which should be found.
+   * @param {Number|String} value of the node which should be found.
    */
   exports.BinaryTree.prototype.find = function (value) {
     return this._find(value, this._root);
@@ -192,8 +192,8 @@
    * Average time complexity: O(log N).
    *
    * @private
-   * @param {Number|String} Value of the node which should be found.
-   * @param {Node} Current node to be checked.
+   * @param {Number|String} value of the node which should be found.
+   * @param {Node} current node to be checked.
    */
   exports.BinaryTree.prototype._find = function (value, current) {
     if (!current) {
@@ -232,7 +232,6 @@
       } else {
         parent._right = newChild;
       }
-
       if (newChild) {
         newChild._parent = parent;
       }
@@ -244,7 +243,7 @@
    * Average runtime complexity: O(log N).
    *
    * @public
-   * @param {Node} Node to be removed
+   * @param {Node} node to be removed
    * @returns {Boolean} True/false depending
    *    on whether the given node is removed.
    */
@@ -261,12 +260,16 @@
       min.value = temp;
       return this.remove(min);
     } else {
-      if (node._left) {
-        this._replaceChild(node._parent, node, node._left);
-      } else if (node._right) {
-        this._replaceChild(node._parent, node, node._right);
-      } else {
-        this._replaceChild(node._parent, node, null);
+      if (node._parent !== null) {
+        if (node._left) {
+          this._replaceChild(node._parent, node, node._left);
+        } else if (node._right) {
+          this._replaceChild(node._parent, node, node._right);
+        } else {
+          this._replaceChild(node._parent, node, null);
+        }
+      }else {
+        this._root = null;
       }
       return true;
     }
diff --git a/test/data-structures/binary-search-tree.spec.js b/test/data-structures/binary-search-tree.spec.js
new file mode 100644
index 00000000..f889dcdd
--- /dev/null
+++ b/test/data-structures/binary-search-tree.spec.js
@@ -0,0 +1,77 @@
+'use strict';
+
+var mod = require('../../src/data-structures/binary-search-tree.js');
+var Node = mod.Node;
+var BinaryTree = mod.BinaryTree;
+
+describe('Node', function () {
+  it('should be a constructor function', function () {
+    expect(typeof Node).toBe('function');
+  });
+});
+
+describe('Binary Tree', function () {
+  it('should be a constructor function', function () {
+    expect(typeof BinaryTree).toBe('function');
+  });
+  it('should start with null root', function () {
+    expect(new BinaryTree()._root).toBe(null);
+  });
+  it('should insert and remove single node properly', function () {
+    var bTree = new BinaryTree();
+    bTree.insert(15);
+    var node = bTree.find(15);
+    bTree.remove(node);
+    expect(bTree._root).toBe(null);
+  });
+  it('should insert multiple nodes properly', function () {
+    var bTree = new BinaryTree();
+    bTree.insert(10);
+    bTree.insert(5);
+    bTree.insert(15);
+    bTree.insert(4);
+    bTree.insert(6);
+    bTree.insert(14);
+    bTree.insert(16);
+    var leftRootChild = bTree._root._left;
+    var rightRootChild = bTree._root._right;
+    expect(bTree._root.value).toBe(10);
+    expect(leftRootChild.value).toBe(5);
+    expect(rightRootChild.value).toBe(15);
+    expect(leftRootChild._left.value).toBe(4);
+    expect(leftRootChild._right.value).toBe(6);
+    expect(rightRootChild._left.value).toBe(14);
+    expect(rightRootChild._right.value).toBe(16);
+  });
+  it('should remove multiple nodes properly', function () {
+    var bTree = new BinaryTree();
+    bTree.insert(10);
+    bTree.insert(5);
+    bTree.insert(15);
+    bTree.insert(4);
+    bTree.insert(6);
+    bTree.insert(7);
+    bTree.insert(14);
+    bTree.insert(16);
+    var leftRootChild = bTree._root._left;
+    var rightRootChild = bTree._root._right;
+    var sixteen = bTree.find(16);
+    bTree.remove(sixteen);
+    expect(bTree._root.value).toBe(10);
+    expect(leftRootChild.value).toBe(5);
+    expect(rightRootChild.value).toBe(15);
+    expect(leftRootChild._left.value).toBe(4);
+    expect(leftRootChild._right.value).toBe(6);
+    expect(leftRootChild._right._right.value).toBe(7);
+    expect(rightRootChild._left.value).toBe(14);
+    expect(rightRootChild._right).toBe(null);
+    var fourteen = bTree.find(14);
+    bTree.remove(fourteen);
+    expect(rightRootChild._left).toBe(null);
+    var five = bTree.find(5);
+    bTree.remove(five);
+    expect(leftRootChild.value).toBe(6);
+    expect(leftRootChild._left.value).toBe(4);
+    expect(leftRootChild._right.value).toBe(7);
+  });
+});

From f9f5c65db603518483b9b8024ea76b7958c8d71c Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Wed, 25 Feb 2015 18:09:18 -0800
Subject: [PATCH 127/337] Update the contributors list

---
 readme.md | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/readme.md b/readme.md
index aa5ab073..239e9256 100644
--- a/readme.md
+++ b/readme.md
@@ -71,13 +71,13 @@ If the build is not successful fix your code in order the tests and jshint valid
 
 ## Contributors
 
-[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="secrettriangle" src="https://avatars.githubusercontent.com/u/1765130?v=3&s=117" width="117">](https://github.com/secrettriangle) |[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |
+[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="secrettriangle" src="https://avatars.githubusercontent.com/u/1765130?v=3&s=117" width="117">](https://github.com/secrettriangle) |[<img alt="Jakehp" src="https://avatars.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[pvoznenko](https://github.com/pvoznenko) |[secrettriangle](https://github.com/secrettriangle) |[Microfed](https://github.com/Microfed) |[contra](https://github.com/contra) |
+[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[pvoznenko](https://github.com/pvoznenko) |[secrettriangle](https://github.com/secrettriangle) |[Jakehp](https://github.com/Jakehp) |[Microfed](https://github.com/Microfed) |
 
-[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |
-:---: |
-[fanixk](https://github.com/fanixk) |
+[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |
+:---: |:---: |
+[contra](https://github.com/contra) |[fanixk](https://github.com/fanixk) |
 
 ## License
 

From c6e3f8ee4bd9d86a049225622626be650a5a39db Mon Sep 17 00:00:00 2001
From: Jake Prather <JakeHP@Zoho.com>
Date: Thu, 26 Feb 2015 22:32:48 -0600
Subject: [PATCH 128/337] AVL Tree and spec.

---
 src/data-structures/avl-tree.js       | 693 ++++++++++++++++++++++++++
 test/data-structures/avl-tree.spec.js | 126 +++++
 2 files changed, 819 insertions(+)
 create mode 100644 src/data-structures/avl-tree.js
 create mode 100644 test/data-structures/avl-tree.spec.js

diff --git a/src/data-structures/avl-tree.js b/src/data-structures/avl-tree.js
new file mode 100644
index 00000000..4e6aa075
--- /dev/null
+++ b/src/data-structures/avl-tree.js
@@ -0,0 +1,693 @@
+/**
+ * AVL tree, a Binary Search Tree that satisfies the Height-Balance
+ * Property.
+ *
+ * @example
+ * var avlTree = require('path-to-algorithms/src/data-structures'+
+ * '/avl-tree');
+ * var avl = new avlTree.AVLTree();
+ *
+ * avl.insert(2000);
+ * avl.insert(1989);
+ * avl.insert(1991);
+ * avl.insert(2001);
+ * avl.insert(1966);
+ *
+ * @module data-structures/avl-tree
+ */
+(function (exports) {
+  'use strict';
+
+  /**
+   * Node of the tree.
+   *
+   * @public
+   * @constructor
+   * @param {Number|String} value Value of the node.
+   * @param {Node} left Left sibling.
+   * @param {Node} right Right sibling.
+   * @param {Node} parent Parent of the node.
+   * @param {Number} height Height of the node.
+   */
+  exports.Node = function (value, left, right, parent, height) {
+    /**
+     * @member {Number|String}
+     */
+    this.value = value;
+    this._left = left;
+    this._right = right;
+    this._parent = parent;
+    this._height = height;
+  };
+
+  /**
+   * AVL Tree.
+   *
+   * @public
+   * @constructor
+   */
+  exports.AVLTree = function () {
+    this._root = null;
+  };
+
+  /**
+   * Calculates the height of a node based on height
+   * property of children.
+   *
+   * @public
+   * @method
+   * @param {Node} node Given node's height is returned.
+   */
+  exports.AVLTree.prototype._getHeightAtNode = function (node) {
+    if (node._left !== null && node._right !== null){
+      var height = Math.max(node._left._height, node._right._height);
+      height += 1;
+      return height;
+    }else if (node._left !== null){
+      return node._left._height + 1;
+    }else if (node._right !== null){
+      return node._right._height + 1;
+    }else {
+      return 1;
+    }
+  };
+
+  /**
+   * Checks if a given node has an imbalance.
+   *
+   * @public
+   * @method
+   * @param {Node} node Given node's children are checked for
+   * imbalance.
+   */
+  exports.AVLTree.prototype._isBalancedAtNode = function (node) {
+    if (node._left !== null && node._right !== null){
+      return (Math.abs(node._left._height - node._right._height) <= 1);
+    }
+    if (node._right !== null && node._left === null){
+      return node._right._height < 2;
+    }
+    if (node._left !== null && node._right === null){
+      return node._left._height < 2;
+    }
+    return true;
+  };
+
+  /**
+   * Maintains the height balance property by
+   * walking to root and checking for invalid height
+   * differences between children and restructuring
+   * appropriately.
+   *
+   * @public
+   * @method
+   * @param {Node} node Started node.
+   */
+  exports.AVLTree.prototype._maintainHeightBalanceProperty = function (node) {
+    var current = node;
+    var path = []; //During restructure, use last 3 nodes traveled.
+    while (current !== null){
+      path.push(current);
+      current._height = this._getHeightAtNode(current);
+      if (!this._isBalancedAtNode(current)){
+        if (path.length >= 3){
+          var nodesToRestructure = path.slice(0, 3);
+          var x = nodesToRestructure[0];
+          var y = nodesToRestructure[1];
+          var z = nodesToRestructure[2];
+          this._restructure(x, y, z);
+        }
+      }
+      current = current._parent;
+    }
+  };
+
+  /**
+   * Identifies the pattern of given nodes, then calls
+   * the appropriate pattern rotator.
+   *
+   * @public
+   * @method
+   * @param {Node} x node with lowest height to be restructured.
+   * @param {Node} y parent of x parameter.
+   * @param {Node} z grandparent of x, largest height.
+   */
+  exports.AVLTree.prototype._restructure = function (x, y, z) {
+    //Determine Rotation Pattern
+    if (z._right === y && y._right === x){
+      this._rightRight(x, y, z);
+    }else if (z._left === y && y._left === x){
+      this._leftLeft(x, y, z);
+    }else if (z._right === y && y._left === x){
+      this._rightLeft(x, y, z);
+    }else if (z._left === y && y._right === x){
+      this._leftRight(x, y, z);
+    }
+  };
+
+  /**
+   * Rotates the given nodes from a right right pattern
+   * to a parent, with 2 children.
+   *
+   * @public
+   * @method
+   * @param {Node} x node with lowest height to be restructured.
+   * @param {Node} y parent of x parameter.
+   * @param {Node} z grandparent of x, largest height.
+   */
+  exports.AVLTree.prototype._rightRight = function (x, y, z) {
+    /*
+    z
+      y    =>    y
+        x      z    x
+    */
+    // pass z parent to y and move y's left to z's right
+    if (z._parent !== null){
+      var orientation = (z._parent._left === z) ? '_left' : '_right';
+      z._parent[orientation] = y;
+      y._parent = z._parent;
+    }else {
+      this._root = y;
+      y._parent = null;
+    }
+    // z adopts y's left.
+    z._right = y._left;
+    if (z._right !== null){
+      z._right._parent = z;
+    }
+    // y adopts z
+    y._left = z;
+    z._parent = y;
+    // Correct each nodes height - order matters, children first
+    x._height = this._getHeightAtNode(x);
+    z._height = this._getHeightAtNode(z);
+    y._height = this._getHeightAtNode(y);
+  };
+
+  /**
+   * Rotates the given nodes from a left left pattern
+   * to a parent, with 2 children.
+   *
+   * @public
+   * @method
+   * @param {Node} x node with lowest height to be restructured.
+   * @param {Node} y parent of x parameter.
+   * @param {Node} z grandparent of x, largest height.
+   */
+  exports.AVLTree.prototype._leftLeft = function (x, y, z) {
+    /*
+          z
+        y    =>    y
+      x          x   z
+    */
+    //pass z parent to y and move y's right to z's left
+    if (z._parent !== null){
+      var orientation = (z._parent._left === z) ? '_left' : '_right';
+      z._parent[orientation] = y;
+      y._parent = z._parent;
+    }else {
+      this._root = y;
+      y._parent = null;
+    }
+    z._left = y._right;
+    if (z._left !== null) {
+      z._left._parent = z;
+    }
+    //fix y right child
+    y._right = z;
+    z._parent = y;
+    // Correct each nodes height - order matters, children first
+    x._height = this._getHeightAtNode(x);
+    z._height = this._getHeightAtNode(z);
+    y._height = this._getHeightAtNode(y);
+  };
+
+  /**
+   * Rotates the given nodes from a right left pattern
+   * to a parent, with 2 children.
+   *
+   * @public
+   * @method
+   * @param {Node} x node with lowest height to be restructured.
+   * @param {Node} y parent of x parameter.
+   * @param {Node} z grandparent of x, largest height.
+   */
+  exports.AVLTree.prototype._rightLeft = function (x, y, z) {
+    /*
+     z
+       y    =>    x
+     x          z   y
+     */
+    //pass z parent to x
+    if (z._parent !== null){
+      var orientation = (z._parent._left === z) ? '_left' : '_right';
+      z._parent[orientation] = x;
+      x._parent = z._parent;
+    }else {
+      this._root = x;
+      x._parent = null;
+    }
+    // Adoptions
+    z._right = x._left;
+    if (z._right !== null){
+      z._right._parent = z;
+    }
+    y._left = x._right;
+    if (y._left !== null){
+      y._left._parent = y;
+    }
+    // Point to new children (x new parent)
+    x._left = z;
+    x._right = y;
+    x._left._parent = x;
+    x._right._parent = x;
+    // Correct each nodes height - order matters, children first
+    y._height = this._getHeightAtNode(y);
+    z._height = this._getHeightAtNode(z);
+    x._height = this._getHeightAtNode(x);
+  };
+
+  /**
+   * Rotates the given nodes from a left right pattern
+   * to a parent, with 2 children.
+   *
+   * @public
+   * @method
+   * @param {Node} x node with lowest height to be restructured.
+   * @param {Node} y parent of x parameter.
+   * @param {Node} z grandparent of x, largest height.
+   */
+  exports.AVLTree.prototype._leftRight = function (x, y, z) {
+    /*
+       z
+     y    =>    x
+       x      y   z
+     */
+    //pass z parent to x
+    if (z._parent !== null){
+      var orientation = (z._parent._left === z) ? '_left' : '_right';
+      z._parent[orientation] = x;
+      x._parent = z._parent;
+    }else {
+      this._root = x;
+      x._parent = null;
+    }
+    // Adoptions
+    z._left = x._right;
+    if (z._left !== null){
+      z._left._parent = z;
+    }
+    y._right = x._left;
+    if (y._right !== null){
+      y._right._parent = y;
+    }
+    // Point to new children (x new parent)
+    x._right = z;
+    x._left = y;
+    x._left._parent = x;
+    x._right._parent = x;
+    // Correct each nodes height - order matters, children first
+    y._height = this._getHeightAtNode(y);
+    z._height = this._getHeightAtNode(z);
+    x._height = this._getHeightAtNode(x);
+  };
+
+  /**
+   * Inserts a node into the AVL Tree.<br><br>
+   * Time complexity: O(log N) in the average case
+   * and O(N) in the worst case.
+   *
+   * @public
+   * @method
+   * @param {Number|String} value Node value.
+   * @param {Node} current Current node.
+   */
+  exports.AVLTree.prototype.insert = function (value, current) {
+    if (this._root === null) {
+      this._root = new exports.Node(value, null, null, null, 1);
+      this._maintainHeightBalanceProperty(this._root);
+      return;
+    }
+    var insertKey;
+    current = current || this._root;
+    if (current.value > value) {
+      insertKey = '_left';
+    } else {
+      insertKey = '_right';
+    }
+    if (!current[insertKey]) {
+      current[insertKey] = new exports.Node(value, null, null, current);
+      this._maintainHeightBalanceProperty(current[insertKey]);
+    } else {
+      this.insert(value, current[insertKey]);
+    }
+  };
+
+  /**
+   * In-order traversal from the given node.
+   *
+   * @private
+   * @param {Node} current Node from which to start the traversal.
+   * @param {Function} callback Callback which
+   *    will be called for each traversed node.
+   */
+  exports.AVLTree.prototype._inorder = function (current, callback) {
+    if (!current) {
+      return;
+    }
+    this._inorder(current._left, callback);
+    if (typeof callback === 'function') {
+      callback(current);
+    }
+    this._inorder(current._right, callback);
+  };
+
+  /**
+   * In-order traversal of the whole AVL tree.
+   *
+   * @public
+   * @method
+   * @param {Function} callback Callback which will be
+   * called for each traversed node.
+   */
+  exports.AVLTree.prototype.inorder = function (callback) {
+    return this._inorder(this._root, callback);
+  };
+
+  /**
+   * Post-order traversal from given node.
+   *
+   * @private
+   * @param {Node} current Node from which to start the traversal.
+   * @param {Function} callback Callback which will
+   * be called for each traversed node
+   */
+  exports.AVLTree.prototype._postorder = function (current, callback) {
+    if (!current) {
+      return;
+    }
+    if (typeof callback === 'function') {
+      callback(current);
+    }
+    this._postorder(current._left, callback);
+    this._postorder(current._right, callback);
+  };
+
+  /**
+   * Post-order traversal of the whole tree.
+   *
+   * @public
+   * @param {Function} callback Callback which
+   * will be called for each traversed node.
+   */
+  exports.AVLTree.prototype.postorder = function (callback) {
+    return this._postorder(this._root, callback);
+  };
+
+  /**
+   * Pre-order traversal of the tree from given node.
+   *
+   * @private
+   * @param {Node} current Node from which to start the traversal.
+   * @param {Function} callback Callback which
+   * will be called for each traversed node.
+   */
+  exports.AVLTree.prototype._preorder = function (current, callback) {
+    if (!current) {
+      return;
+    }
+    if (typeof callback === 'function') {
+      callback(current);
+    }
+    this._preorder(current._left, callback);
+    this._preorder(current._right, callback);
+  };
+
+  /**
+   * Pre-order preorder traversal of the whole tree.
+   *
+   * @public
+   * @param {Function} callback Callback which will
+   * be called for each traversed node.
+   */
+  exports.AVLTree.prototype.preorder = function (callback) {
+    return this._preorder(this._root, callback);
+  };
+
+  /**
+   * Finds a node by it's value.<br><br>
+   * Average time complexity: O(log N).
+   *
+   * @public
+   * @param {Number|String} value of the node which should be found.
+   */
+  exports.AVLTree.prototype.find = function (value) {
+    return this._find(value, this._root);
+  };
+
+  /**
+   * Finds a node by it's value in a given sub-tree.
+   * Average time complexity: O(log N).
+   *
+   * @private
+   * @param {Number|String} value of the node which should be found.
+   * @param {Node} current node to be checked.
+   */
+  exports.AVLTree.prototype._find = function (value, current) {
+    if (!current) {
+      return null;
+    }
+
+    if (current.value === value) {
+      return current;
+    }
+
+    if (current.value > value) {
+      return this._find(value, current._left);
+    }
+
+    if (current.value < value) {
+      return this._find(value, current._right);
+    }
+  };
+
+  /**
+   * Replaces given child with new one, for given parent.
+   *
+   * @private
+   * @param {Node} parent Parent node.
+   * @param {Node} oldChild Child to be replaced.
+   * @param {Node} newChild Child replacement.
+   */
+  exports.AVLTree.prototype._replaceChild =
+   function (parent, oldChild, newChild) {
+    if (!parent) {
+      this._root = newChild;
+      this._root._parent = null;
+    } else {
+      if (parent._left === oldChild) {
+        parent._left = newChild;
+      } else {
+        parent._right = newChild;
+      }
+      if (newChild) {
+        newChild._parent = parent;
+      }
+    }
+  };
+
+  /**
+   * Removes node from the tree. <br><br>
+   * Average runtime complexity: O(log N).
+   *
+   * @public
+   * @param {Node} node to be removed
+   * @returns {Boolean} True/false depending
+   *    on whether the given node is removed.
+   */
+  exports.AVLTree.prototype.remove = function (node) {
+    if (!node) {
+      return false;
+    }
+
+    if (node._left && node._right) {
+      var min = this._findMin(node._right);
+      var temp = node.value;
+
+      node.value = min.value;
+      min.value = temp;
+      return this.remove(min);
+    } else {
+      if (node._parent !== null) {
+        if (node._left) {
+          this._replaceChild(node._parent, node, node._left);
+        } else if (node._right) {
+          this._replaceChild(node._parent, node, node._right);
+        } else {
+          this._replaceChild(node._parent, node, null);
+        }
+      }else {
+        this._root = null;
+      }
+      return true;
+    }
+  };
+
+  /**
+   * Finds the node with minimum value in given sub-tree.
+   *
+   * @private
+   * @param {Node} node Root of the sub-tree.
+   * @param {Number|String} current Current minimum value of the sub-tree.
+   * @returns {Node} Node with the minimum value in the sub-tree.
+   */
+  exports.AVLTree.prototype._findMin = function (node, current) {
+    current = current || { value: Infinity };
+    if (!node) {
+      return current;
+    }
+    if (current.value > node.value) {
+      current = node;
+    }
+    return this._findMin(node._left, current);
+  };
+
+  /**
+   * Finds the node with maximum value in given sub-tree.
+   *
+   * @private
+   * @param {Node} node Root of the sub-tree.
+   * @param {Number|String} current Current maximum value of the sub-tree.
+   * @returns {Node} Node with the maximum value in the sub-tree.
+   */
+  exports.AVLTree.prototype._findMax = function (node, current) {
+    current = current || { value: -Infinity };
+    if (!node) {
+      return current;
+    }
+    if (current.value < node.value) {
+      current = node;
+    }
+    return this._findMax(node._right, current);
+  };
+
+  /**
+   * Finds the node with minimum value in the whole tree.
+   *
+   * @public
+   * @returns {Node} The minimum node of the tree.
+   */
+  exports.AVLTree.prototype.findMin = function () {
+    return this._findMin(this._root);
+  };
+
+  /**
+   * Finds the node with maximum value in the whole tree.
+   *
+   * @public
+   * @returns {Node} The maximum node of the tree.
+   *
+   */
+  exports.AVLTree.prototype.findMax = function () {
+    return this._findMax(this._root);
+  };
+
+  exports.AVLTree.prototype._isBalanced = function (current) {
+    if (!current) {
+      return true;
+    }
+    return this._isBalanced(current._left)  &&
+           this._isBalanced(current._right) &&
+          Math.abs(this._getHeight(current._left) -
+            this._getHeight(current._right)) <= 1;
+  };
+
+  /**
+   * Returns whether the AVL Tree is balanced.
+   *
+   * @public
+   * @returns {Boolean} Whether the tree is balanced or not.
+   */
+  exports.AVLTree.prototype.isBalanced = function () {
+    return this._isBalanced(this._root);
+  };
+
+  /**
+   * Finds the diameter of the AVL tree.
+   *
+   * @public
+   * @returns {Number} The longest path in the AVL Tree.
+   */
+  exports.AVLTree.prototype.getDiameter = function () {
+    var getDiameter = function (root) {
+      if (!root) {
+        return 0;
+      }
+      var leftHeight = this._getHeight(root._left);
+      var rightHeight = this._getHeight(root._right);
+      var path = leftHeight + rightHeight + 1;
+      return Math.max(path, getDiameter(root._left), getDiameter(root._right));
+    }.bind(this);
+    return getDiameter(this._root);
+  };
+
+  /**
+   * Returns the height of the tree.
+   *
+   * @public
+   * @returns {Number} The height of the tree.
+   */
+  exports.AVLTree.prototype.getTreeHeight = function () {
+    return this._getHeight(this._root);
+  };
+
+  exports.AVLTree.prototype._getHeight = function (node) {
+    if (!node) {
+      return 0;
+    }
+    return 1 + Math.max(this._getHeight(node._left),
+        this._getHeight(node._right));
+  };
+
+  /**
+   * Finds the lowest common ancestor of two nodes.
+   *
+   * @public
+   * @returns {Node} The lowest common ancestor of the two nodes or null.
+   */
+  exports.AVLTree.prototype.lowestCommonAncestor =
+   function (firstNode, secondNode) {
+    return this._lowestCommonAncestor(firstNode, secondNode, this._root);
+  };
+
+  exports.AVLTree.prototype._lowestCommonAncestor =
+   function (firstNode, secondNode, current) {
+    var firstNodeInLeft = this._existsInSubtree(firstNode, current._left);
+    var secondNodeInLeft = this._existsInSubtree(secondNode, current._left);
+    var firstNodeInRight = this._existsInSubtree(firstNode, current._right);
+    var secondNodeInRight = this._existsInSubtree(secondNode, current._right);
+    if ((firstNodeInLeft && secondNodeInRight) ||
+        (firstNodeInRight && secondNodeInLeft)) {
+      return current;
+    }
+    if (secondNodeInLeft && firstNodeInLeft) {
+      return this._lowestCommonAncestor(firstNode, secondNode, current._left);
+    }
+    if (secondNodeInRight && secondNodeInLeft) {
+      return this._lowestCommonAncestor(firstNode, secondNode, current._right);
+    }
+    return null;
+  };
+
+  exports.AVLTree.prototype._existsInSubtree = function (node, root) {
+    if (!root) {
+      return false;
+    }
+    if (node === root.value) {
+      return true;
+    }
+    return this._existsInSubtree(node, root._left) ||
+      this._existsInSubtree(node, root._right);
+  };
+
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/test/data-structures/avl-tree.spec.js b/test/data-structures/avl-tree.spec.js
new file mode 100644
index 00000000..3345e52e
--- /dev/null
+++ b/test/data-structures/avl-tree.spec.js
@@ -0,0 +1,126 @@
+'use strict';
+
+var mod = require('../../src/data-structures/avl-tree.js');
+var Node = mod.Node;
+var AVLTree = mod.AVLTree;
+
+describe('Node', function () {
+  it('should be a constructor function', function () {
+    expect(typeof Node).toBe('function');
+  });
+});
+
+describe('AVL Tree', function () {
+  it('should be a constructor function', function () {
+    expect(typeof AVLTree).toBe('function');
+  });
+  it('should start with null root', function () {
+    expect(new AVLTree()._root).toBe(null);
+  });
+  it('should insert and single rotate (leftRight) properly', function () {
+    var avlTree = new AVLTree();
+    avlTree.insert(66);
+    avlTree.insert(3);
+    avlTree.insert(5);
+    expect(avlTree._root.value).toBe(5);
+    expect(avlTree._root._left.value).toBe(3);
+    expect(avlTree._root._right.value).toBe(66);
+
+    expect(avlTree._root._height).toBe(2);
+    expect(avlTree._root._left._height).toBe(1);
+    expect(avlTree._root._right._height).toBe(1);
+  });
+  it('should insert and single rotate (rightLeft) properly', function () {
+    var avlTree = new AVLTree();
+    avlTree.insert(50);
+    avlTree.insert(75);
+    avlTree.insert(60);
+    expect(avlTree._root.value).toBe(60);
+    expect(avlTree._root._left.value).toBe(50);
+    expect(avlTree._root._right.value).toBe(75);
+
+    expect(avlTree._root._height).toBe(2);
+    expect(avlTree._root._left._height).toBe(1);
+    expect(avlTree._root._right._height).toBe(1);
+  });
+  it('should insert and double rotate (leftLeft) properly', function () {
+    var avlTree = new AVLTree();
+    avlTree.insert(50);
+    avlTree.insert(25);
+    avlTree.insert(10);
+    expect(avlTree._root.value).toBe(25);
+    expect(avlTree._root._left.value).toBe(10);
+    expect(avlTree._root._right.value).toBe(50);
+
+    expect(avlTree._root._height).toBe(2);
+    expect(avlTree._root._left._height).toBe(1);
+    expect(avlTree._root._right._height).toBe(1);
+  });
+  it('should insert and double rotate (rightRight) properly', function () {
+    var avlTree = new AVLTree();
+    avlTree.insert(50);
+    avlTree.insert(75);
+    avlTree.insert(100);
+    expect(avlTree._root.value).toBe(75);
+    expect(avlTree._root._left.value).toBe(50);
+    expect(avlTree._root._right.value).toBe(100);
+
+    expect(avlTree._root._height).toBe(2);
+    expect(avlTree._root._left._height).toBe(1);
+    expect(avlTree._root._right._height).toBe(1);
+  });
+  it('should insert multiple nodes and balance properly (1)', function () {
+    var avlTree = new AVLTree();
+    avlTree.insert(30);
+    avlTree.insert(15);
+    avlTree.insert(60);
+    avlTree.insert(90);
+    avlTree.insert(100);
+    expect(avlTree._root.value).toBe(30);
+    expect(avlTree._root._left.value).toBe(15);
+    expect(avlTree._root._right.value).toBe(90);
+    expect(avlTree._root._right._left.value).toBe(60);
+    expect(avlTree._root._right._right.value).toBe(100);
+
+    expect(avlTree._root._height).toBe(3);
+    expect(avlTree._root._left._height).toBe(1);
+    expect(avlTree._root._right._height).toBe(2);
+    expect(avlTree._root._right._left._height).toBe(1);
+    expect(avlTree._root._right._right._height).toBe(1);
+  });
+  it('should insert multiple nodes and balance properly (2)', function () {
+    var avlTree = new AVLTree();
+    avlTree.insert(24);
+    avlTree.insert(67);
+    avlTree.insert(33);
+    avlTree.insert(52);
+    avlTree.insert(11);
+    avlTree.insert(15);
+    avlTree.insert(26);
+    avlTree.insert(27);
+    // depth 1
+    expect(avlTree._root.value).toBe(33);
+    expect(avlTree._root._height).toBe(4);
+    // depth 2
+    expect(avlTree._root._left.value).toBe(15);
+    expect(avlTree._root._left._height).toBe(3);
+
+    expect(avlTree._root._right.value).toBe(67);
+    expect(avlTree._root._right._height).toBe(2);
+    // depth 3
+    expect(avlTree._root._left._left.value).toBe(11);
+    expect(avlTree._root._left._left._height).toBe(1);
+
+    expect(avlTree._root._left._right.value).toBe(26);
+    expect(avlTree._root._left._right._height).toBe(2);
+
+    expect(avlTree._root._right._left.value).toBe(52);
+    expect(avlTree._root._right._left._height).toBe(1);
+    // depth 4
+    expect(avlTree._root._left._right._left.value).toBe(24);
+    expect(avlTree._root._left._right._left._height).toBe(1);
+
+    expect(avlTree._root._left._right._right.value).toBe(27);
+    expect(avlTree._root._left._right._right._height).toBe(1);
+  });
+});

From 01f46fb78ea6f345e70d28b2d7d87b48f1b16c1d Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Fri, 27 Feb 2015 09:42:53 -0800
Subject: [PATCH 129/337] Update the contributors list

---
 readme.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/readme.md b/readme.md
index 239e9256..4bdc682c 100644
--- a/readme.md
+++ b/readme.md
@@ -71,9 +71,9 @@ If the build is not successful fix your code in order the tests and jshint valid
 
 ## Contributors
 
-[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="secrettriangle" src="https://avatars.githubusercontent.com/u/1765130?v=3&s=117" width="117">](https://github.com/secrettriangle) |[<img alt="Jakehp" src="https://avatars.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |
+[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="Jakehp" src="https://avatars.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="secrettriangle" src="https://avatars.githubusercontent.com/u/1765130?v=3&s=117" width="117">](https://github.com/secrettriangle) |[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[pvoznenko](https://github.com/pvoznenko) |[secrettriangle](https://github.com/secrettriangle) |[Jakehp](https://github.com/Jakehp) |[Microfed](https://github.com/Microfed) |
+[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[pvoznenko](https://github.com/pvoznenko) |[Jakehp](https://github.com/Jakehp) |[secrettriangle](https://github.com/secrettriangle) |[Microfed](https://github.com/Microfed) |
 
 [<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |
 :---: |:---: |

From 136c3fb2442eb6efabe94152ef4332183d3a3ab4 Mon Sep 17 00:00:00 2001
From: Jake Prather <JakeHP@Zoho.com>
Date: Fri, 27 Feb 2015 23:21:48 -0600
Subject: [PATCH 130/337] AVL Tree balance on removal. Added remove specs.

---
 src/data-structures/avl-tree.js       | 137 +++++++++++++++++++-------
 test/data-structures/avl-tree.spec.js |  38 +++++++
 2 files changed, 142 insertions(+), 33 deletions(-)

diff --git a/src/data-structures/avl-tree.js b/src/data-structures/avl-tree.js
index 4e6aa075..7e911a94 100644
--- a/src/data-structures/avl-tree.js
+++ b/src/data-structures/avl-tree.js
@@ -93,6 +93,76 @@
     return true;
   };
 
+  exports.AVLTree.prototype._getNodesToRestructureRemove =
+    function (traveledNodes) {
+    // z is last traveled node - imbalance found at z
+    var zIndex = traveledNodes.length;
+    zIndex -= 1;
+    var z = traveledNodes[zIndex];
+    // y should be child of z with larger height
+    // (cannot be ancestor of removed node)
+    var y;
+    if (z._left !== null && z._right !== null){
+      y = (z._left === y) ? z._right : z._left;
+    }else if (z._left !== null && z._right === null){
+      y = z._left;
+    }else if (z._right !== null && z._left === null){
+      y = z._right;
+    }
+    // x should be tallest child of y.
+    // If children same height, x should be child of y
+    // that has same orientation as z to y.
+    var x;
+    if (y._left !== null && y._right !== null){
+      if (y._left._height > y._right._height){
+        x = y._left;
+      }else if (y._left._height < y._right._height){
+        x = y._right;
+      }else if (y._left._height === y._right._height){
+        x = (z._left === y) ? y._left : y._right;
+      }
+    }else if (y._left !== null && y._right === null){
+      x = y._left;
+    }else if (y._right !== null && y._left === null){
+      x = y._right;
+    }
+    return [x, y, z];
+  };
+
+  exports.AVLTree.prototype._getNodesToRestructureInsert =
+    function (traveledNodes) {
+    // z is last traveled node - imbalance found at z
+    var zIndex = traveledNodes.length;
+    zIndex -= 1;
+    var z = traveledNodes[zIndex];
+    // y should be child of z with larger height
+    // (must be ancestor of inserted node)
+    // therefore, last traveled node is correct.
+    var yIndex = traveledNodes.length;
+    yIndex -= 2;
+    var y = traveledNodes[yIndex];
+    // x should be tallest child of y.
+    // If children same height, x should be ancestor
+    // of inserted node (in traveled path).
+    var x;
+    if (y._left !== null && y._right !== null){
+      if (y._left._height > y._right._height){
+        x = y._left;
+      }else if (y._left._height < y._right._height){
+        x = y._right;
+      }else if (y._left._height === y._right._height){
+        var xIndex = traveledNodes.length;
+        xIndex -= 3;
+        x = traveledNodes[xIndex];
+      }
+    }else if (y._left !== null && y._right === null){
+      x = y._left;
+    }else if (y._right !== null && y._left === null){
+      x = y._right;
+    }
+    return [x, y, z];
+  };
+
   /**
    * Maintains the height balance property by
    * walking to root and checking for invalid height
@@ -102,21 +172,20 @@
    * @public
    * @method
    * @param {Node} node Started node.
+   * @param {Boolean} isRemove Represents if method was called after remove.
    */
-  exports.AVLTree.prototype._maintainHeightBalanceProperty = function (node) {
+  exports.AVLTree.prototype._maintainHeightBalanceProperty =
+    function (node, isRemove) {
     var current = node;
-    var path = []; //During restructure, use last 3 nodes traveled.
+    var traveledNodes = [];
     while (current !== null){
-      path.push(current);
+      traveledNodes.push(current);
       current._height = this._getHeightAtNode(current);
       if (!this._isBalancedAtNode(current)){
-        if (path.length >= 3){
-          var nodesToRestructure = path.slice(0, 3);
-          var x = nodesToRestructure[0];
-          var y = nodesToRestructure[1];
-          var z = nodesToRestructure[2];
-          this._restructure(x, y, z);
-        }
+        var nodesToBeRestructured = (isRemove)
+          ? this._getNodesToRestructureRemove(traveledNodes)
+          : this._getNodesToRestructureInsert(traveledNodes);
+        this._restructure(nodesToBeRestructured);
       }
       current = current._parent;
     }
@@ -128,11 +197,13 @@
    *
    * @public
    * @method
-   * @param {Node} x node with lowest height to be restructured.
-   * @param {Node} y parent of x parameter.
-   * @param {Node} z grandparent of x, largest height.
+   * @param {Array} nodesToBeRestructured
+   * array of nodes, in format, [x, y, z], to be restructured
    */
-  exports.AVLTree.prototype._restructure = function (x, y, z) {
+  exports.AVLTree.prototype._restructure = function (nodesToBeRestructured) {
+    var x = nodesToBeRestructured[0];
+    var y = nodesToBeRestructured[1];
+    var z = nodesToBeRestructured[2];
     //Determine Rotation Pattern
     if (z._right === y && y._right === x){
       this._rightRight(x, y, z);
@@ -337,7 +408,7 @@
     }
     if (!current[insertKey]) {
       current[insertKey] = new exports.Node(value, null, null, current);
-      this._maintainHeightBalanceProperty(current[insertKey]);
+      this._maintainHeightBalanceProperty(current[insertKey], false);
     } else {
       this.insert(value, current[insertKey]);
     }
@@ -481,9 +552,11 @@
    */
   exports.AVLTree.prototype._replaceChild =
    function (parent, oldChild, newChild) {
-    if (!parent) {
+    if (parent === null) {
       this._root = newChild;
-      this._root._parent = null;
+      if (this._root !== null){
+        this._root._parent = null;
+      }
     } else {
       if (parent._left === oldChild) {
         parent._left = newChild;
@@ -501,33 +574,31 @@
    * Average runtime complexity: O(log N).
    *
    * @public
-   * @param {Node} node to be removed
+   * @param {Number|String} value of node to be removed
    * @returns {Boolean} True/false depending
    *    on whether the given node is removed.
    */
-  exports.AVLTree.prototype.remove = function (node) {
+  exports.AVLTree.prototype.remove = function (value) {
+    var node = this.find(value);
     if (!node) {
       return false;
     }
-
     if (node._left && node._right) {
       var min = this._findMin(node._right);
       var temp = node.value;
-
       node.value = min.value;
       min.value = temp;
       return this.remove(min);
     } else {
-      if (node._parent !== null) {
-        if (node._left) {
-          this._replaceChild(node._parent, node, node._left);
-        } else if (node._right) {
-          this._replaceChild(node._parent, node, node._right);
-        } else {
-          this._replaceChild(node._parent, node, null);
-        }
-      }else {
-        this._root = null;
+      if (node._left) {
+        this._replaceChild(node._parent, node, node._left);
+        this._maintainHeightBalanceProperty(node._left, true);
+      } else if (node._right) {
+        this._replaceChild(node._parent, node, node._right);
+        this._maintainHeightBalanceProperty(node._right, true);
+      } else {
+        this._replaceChild(node._parent, node, null);
+        this._maintainHeightBalanceProperty(node._parent, true);
       }
       return true;
     }
@@ -656,12 +727,12 @@
    * @returns {Node} The lowest common ancestor of the two nodes or null.
    */
   exports.AVLTree.prototype.lowestCommonAncestor =
-   function (firstNode, secondNode) {
+    function (firstNode, secondNode) {
     return this._lowestCommonAncestor(firstNode, secondNode, this._root);
   };
 
   exports.AVLTree.prototype._lowestCommonAncestor =
-   function (firstNode, secondNode, current) {
+    function (firstNode, secondNode, current) {
     var firstNodeInLeft = this._existsInSubtree(firstNode, current._left);
     var secondNodeInLeft = this._existsInSubtree(secondNode, current._left);
     var firstNodeInRight = this._existsInSubtree(firstNode, current._right);
diff --git a/test/data-structures/avl-tree.spec.js b/test/data-structures/avl-tree.spec.js
index 3345e52e..19b8c9bb 100644
--- a/test/data-structures/avl-tree.spec.js
+++ b/test/data-structures/avl-tree.spec.js
@@ -123,4 +123,42 @@ describe('AVL Tree', function () {
     expect(avlTree._root._left._right._right.value).toBe(27);
     expect(avlTree._root._left._right._right._height).toBe(1);
   });
+  it('should remove nodes and balance properly (1)', function () {
+    var avlTree = new AVLTree();
+    avlTree.insert(30);
+    avlTree.insert(15);
+    avlTree.insert(60);
+    avlTree.insert(90);
+    avlTree.insert(100);
+    avlTree.remove(15);
+    // depth 1
+    expect(avlTree._root.value).toBe(90);
+    expect(avlTree._root._height).toBe(3);
+    // depth 2
+    expect(avlTree._root._left.value).toBe(30);
+    expect(avlTree._root._left._height).toBe(2);
+
+    expect(avlTree._root._right.value).toBe(100);
+    expect(avlTree._root._right._height).toBe(1);
+    // depth 3
+    expect(avlTree._root._left._right.value).toBe(60);
+    expect(avlTree._root._left._right._height).toBe(1);
+  });
+  it('should remove nodes and balance properly (2)', function () {
+    var avlTree = new AVLTree();
+    avlTree.insert(55);
+    avlTree.insert(25);
+    avlTree.insert(11);
+    avlTree.insert(1);
+    avlTree.remove(55);
+    // depth 1
+    expect(avlTree._root.value).toBe(11);
+    expect(avlTree._root._height).toBe(2);
+    // depth 2
+    expect(avlTree._root._left.value).toBe(1);
+    expect(avlTree._root._left._height).toBe(1);
+
+    expect(avlTree._root._right.value).toBe(25);
+    expect(avlTree._root._right._height).toBe(1);
+  });
 });

From 6613e2d56bcc6ca9b471ea67b899358aba163e34 Mon Sep 17 00:00:00 2001
From: Jake Prather <JakeHP@Zoho.com>
Date: Sun, 1 Mar 2015 12:59:02 -0600
Subject: [PATCH 131/337] BST remove root with children bug fix.

---
 src/data-structures/binary-search-tree.js     | 22 ++++++++-----------
 .../binary-search-tree.spec.js                |  9 ++++++++
 2 files changed, 18 insertions(+), 13 deletions(-)

diff --git a/src/data-structures/binary-search-tree.js b/src/data-structures/binary-search-tree.js
index 9aa08f28..c6dd09f0 100644
--- a/src/data-structures/binary-search-tree.js
+++ b/src/data-structures/binary-search-tree.js
@@ -225,7 +225,9 @@
    function (parent, oldChild, newChild) {
     if (!parent) {
       this._root = newChild;
-      this._root._parent = null;
+      if (this._root !== null){
+        this._root._parent = null;
+      }
     } else {
       if (parent._left === oldChild) {
         parent._left = newChild;
@@ -251,25 +253,19 @@
     if (!node) {
       return false;
     }
-
     if (node._left && node._right) {
       var min = this._findMin(node._right);
       var temp = node.value;
-
       node.value = min.value;
       min.value = temp;
       return this.remove(min);
     } else {
-      if (node._parent !== null) {
-        if (node._left) {
-          this._replaceChild(node._parent, node, node._left);
-        } else if (node._right) {
-          this._replaceChild(node._parent, node, node._right);
-        } else {
-          this._replaceChild(node._parent, node, null);
-        }
-      }else {
-        this._root = null;
+      if (node._left) {
+        this._replaceChild(node._parent, node, node._left);
+      } else if (node._right) {
+        this._replaceChild(node._parent, node, node._right);
+      } else {
+        this._replaceChild(node._parent, node, null);
       }
       return true;
     }
diff --git a/test/data-structures/binary-search-tree.spec.js b/test/data-structures/binary-search-tree.spec.js
index f889dcdd..fc90744b 100644
--- a/test/data-structures/binary-search-tree.spec.js
+++ b/test/data-structures/binary-search-tree.spec.js
@@ -24,6 +24,15 @@ describe('Binary Tree', function () {
     bTree.remove(node);
     expect(bTree._root).toBe(null);
   });
+  it('should remove root and replace with valid child', function () {
+    var bTree = new BinaryTree();
+    bTree.insert(15);
+    bTree.insert(30);
+    bTree.insert(45);
+    var node = bTree.find(15);
+    bTree.remove(node);
+    expect(bTree._root.value).toBe(30);
+  });
   it('should insert multiple nodes properly', function () {
     var bTree = new BinaryTree();
     bTree.insert(10);

From d679da5899dc58e44bacaab0593bc817d685e0d8 Mon Sep 17 00:00:00 2001
From: Jake Prather <JakeHP@Zoho.com>
Date: Mon, 2 Mar 2015 19:25:32 -0600
Subject: [PATCH 132/337] Basic heap specs. typo in heap.

---
 src/data-structures/heap.js       |  2 +-
 test/data-structures/heap.spec.js | 61 +++++++++++++++++++++++++++++++
 2 files changed, 62 insertions(+), 1 deletion(-)
 create mode 100644 test/data-structures/heap.spec.js

diff --git a/src/data-structures/heap.js b/src/data-structures/heap.js
index c654f815..b2e167b3 100644
--- a/src/data-structures/heap.js
+++ b/src/data-structures/heap.js
@@ -47,7 +47,7 @@
    *
    * @public
    * @constructor
-   * @param {Function} cmp Function used for comparition between the elements.
+   * @param {Function} cmp Function used for comparison between the elements.
    */
   exports.Heap = function (cmp) {
     this._heap = [];
diff --git a/test/data-structures/heap.spec.js b/test/data-structures/heap.spec.js
new file mode 100644
index 00000000..d6de8ecb
--- /dev/null
+++ b/test/data-structures/heap.spec.js
@@ -0,0 +1,61 @@
+'use strict';
+
+var mod = require('../../src/data-structures/heap.js');
+var Heap = mod.Heap;
+
+describe('Heap', function () {
+  it('should be a constructor function', function () {
+    expect(typeof Heap).toBe('function');
+  });
+  it('should have default comparison function', function () {
+    var heap = new Heap();
+    expect(typeof heap._cmp).toBe('function');
+  });
+  it('should add an object properly', function () {
+    var heap = new Heap();
+    heap.add(1);
+    expect(heap._heap[0]).toBe(1);
+  });
+  it('should remove an object properly', function () {
+    var heap = new Heap();
+    heap.add(1);
+    var res = heap.extract();
+    expect(res).toBe(1);
+    expect(heap._heap.length).toBe(0);
+  });
+  it('should add multiple nodes properly', function () {
+    var heap = new Heap();
+    heap.add(55);
+    heap.add(11);
+    heap.add(66);
+    expect(heap._heap.indexOf(55)).toBeGreaterThan(-1);
+    expect(heap._heap.indexOf(11)).toBeGreaterThan(-1);
+    expect(heap._heap.indexOf(66)).toBeGreaterThan(-1);
+  });
+  it('should remove multiple nodes properly (max heap)', function () {
+    var heap = new Heap();
+    heap.add(55);
+    heap.add(11);
+    heap.add(66);
+    var res = heap.extract();
+    expect(res).toBe(66);
+    res = heap.extract();
+    expect(res).toBe(55);
+    res = heap.extract();
+    expect(res).toBe(11);
+  });
+  it('should remove multiple nodes properly (min heap)', function () {
+    var heap = new Heap(function (a, b) {
+      return b - a;
+    });
+    heap.add(55);
+    heap.add(11);
+    heap.add(66);
+    var res = heap.extract();
+    expect(res).toBe(11);
+    res = heap.extract();
+    expect(res).toBe(55);
+    res = heap.extract();
+    expect(res).toBe(66);
+  });
+});
\ No newline at end of file

From 53a6405c1b11e1912ee8222befdc4925e7476155 Mon Sep 17 00:00:00 2001
From: Jake Prather <JakeHP@Zoho.com>
Date: Mon, 2 Mar 2015 21:56:34 -0600
Subject: [PATCH 133/337] added new line.

---
 test/data-structures/heap.spec.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/data-structures/heap.spec.js b/test/data-structures/heap.spec.js
index d6de8ecb..e26b2f45 100644
--- a/test/data-structures/heap.spec.js
+++ b/test/data-structures/heap.spec.js
@@ -58,4 +58,4 @@ describe('Heap', function () {
     res = heap.extract();
     expect(res).toBe(66);
   });
-});
\ No newline at end of file
+});

From 7bebda62d952459c4cf89fd16cd22d0b13354e5c Mon Sep 17 00:00:00 2001
From: Jake Prather <JakeHP@Zoho.com>
Date: Tue, 3 Mar 2015 17:38:52 -0600
Subject: [PATCH 134/337] Added linked list spec.

---
 src/data-structures/linked-list.js       |   2 +-
 test/data-structures/linked-list.spec.js | 140 +++++++++++++++++++++++
 2 files changed, 141 insertions(+), 1 deletion(-)
 create mode 100644 test/data-structures/linked-list.spec.js

diff --git a/src/data-structures/linked-list.js b/src/data-structures/linked-list.js
index 9f997893..f7390d81 100644
--- a/src/data-structures/linked-list.js
+++ b/src/data-structures/linked-list.js
@@ -165,7 +165,7 @@
   };
 
   /**
-   * Check or linked list contains cycle.
+   * Check if linked list contains cycle.
    *
    * @public
    * @method
diff --git a/test/data-structures/linked-list.spec.js b/test/data-structures/linked-list.spec.js
new file mode 100644
index 00000000..67f1faea
--- /dev/null
+++ b/test/data-structures/linked-list.spec.js
@@ -0,0 +1,140 @@
+'use strict';
+
+var mod = require('../../src/data-structures/linked-list.js');
+var Node = mod.Node;
+var LinkedList = mod.LinkedList;
+
+describe('Node', function () {
+  it('should be a constructor function', function () {
+    expect(typeof Node).toBe('function');
+  });
+  it('should construct properly', function () {
+    var node = new Node("data");
+    expect(node.data).toBe("data");
+    expect(node.next).toBe(null);
+    expect(node.prev).toBe(null);
+  });
+});
+
+describe('Linked List', function () {
+  it('should be a constructor function', function () {
+    expect(typeof LinkedList).toBe('function');
+  });
+  it('should push properly', function () {
+    var linkedList = new LinkedList();
+    linkedList.push(1);
+    linkedList.push(2);
+    linkedList.push(3);
+    linkedList.push(4);
+    linkedList.push(5);
+    expect(linkedList.first.data).toBe(1);
+    expect(linkedList.first.next.data).toBe(2);
+    expect(linkedList.first.next.next.data).toBe(3);
+    expect(linkedList.first.next.next.next.data).toBe(4);
+    expect(linkedList.first.next.next.next.next.data).toBe(5);
+    expect(linkedList.last.data).toBe(5);
+  });
+  it('should pop properly', function () {
+    var linkedList = new LinkedList();
+    linkedList.push(1);
+    linkedList.push(2);
+    linkedList.push(3);
+    linkedList.push(4);
+    linkedList.push(5);
+    expect(linkedList.pop().data).toBe(5);
+    expect(linkedList.pop().data).toBe(4);
+    expect(linkedList.pop().data).toBe(3);
+    expect(linkedList.pop().data).toBe(2);
+    expect(linkedList.pop().data).toBe(1);
+  });
+  it('should shift properly', function () {
+    var linkedList = new LinkedList();
+    linkedList.push(1);
+    linkedList.push(2);
+    linkedList.push(3);
+    linkedList.push(4);
+    linkedList.push(5);
+    expect(linkedList.shift().data).toBe(1);
+    expect(linkedList.shift().data).toBe(2);
+    expect(linkedList.shift().data).toBe(3);
+    expect(linkedList.shift().data).toBe(4);
+    expect(linkedList.shift().data).toBe(5);
+  });
+  it('should reverse properly', function () {
+    var linkedList = new LinkedList();
+    linkedList.push(1);
+    linkedList.push(2);
+    linkedList.push(3);
+    linkedList.push(4);
+    linkedList.push(5);
+    linkedList.reverse();
+    expect(linkedList.shift().data).toBe(5);
+    expect(linkedList.shift().data).toBe(4);
+    expect(linkedList.shift().data).toBe(3);
+    expect(linkedList.shift().data).toBe(2);
+    expect(linkedList.shift().data).toBe(1);
+  });
+  it('should recursive reverse properly', function () {
+    var linkedList = new LinkedList();
+    linkedList.push(1);
+    linkedList.push(2);
+    linkedList.push(3);
+    linkedList.push(4);
+    linkedList.push(5);
+    linkedList.recursiveReverse();
+    expect(linkedList.shift().data).toBe(5);
+    expect(linkedList.shift().data).toBe(4);
+    expect(linkedList.shift().data).toBe(3);
+    expect(linkedList.shift().data).toBe(2);
+    expect(linkedList.shift().data).toBe(1);
+  });
+  it('should unshift properly', function () {
+    var linkedList = new LinkedList();
+    linkedList.push(1);
+    linkedList.push(2);
+    linkedList.push(3);
+    linkedList.push(4);
+    linkedList.push(5);
+    linkedList.unshift(3);
+    expect(linkedList.shift().data).toBe(3);
+    expect(linkedList.shift().data).toBe(1);
+    expect(linkedList.shift().data).toBe(2);
+    expect(linkedList.shift().data).toBe(3);
+    expect(linkedList.shift().data).toBe(4);
+    expect(linkedList.shift().data).toBe(5);
+  });
+  it('should properly check for existing cycle', function () {
+    var linkedList = new LinkedList();
+    var last = new Node(2);
+    var first = new Node(1);
+    last.next = first;
+    last.prev = first;
+    first.next = last;
+    first.prev = last;
+    linkedList.first = first;
+    linkedList.last = last;
+    expect(linkedList.hasCycle()).toBe(true);
+  });
+  it('should properly check for non existing cycle', function () {
+    var linkedList = new LinkedList();
+    linkedList.push(1);
+    linkedList.push(2);
+    linkedList.push(3);
+    linkedList.push(4);
+    linkedList.push(5);
+    expect(linkedList.hasCycle()).toBe(false);
+  });
+  it('should inorder properly', function () {
+    var linkedList = new LinkedList();
+    linkedList.push(1);
+    linkedList.push(2);
+    linkedList.push(3);
+    linkedList.push(4);
+    linkedList.push(5);
+    var pushedValue = 1;
+    function callback(node){
+      expect(node.data).toBe(pushedValue++);
+    }
+    linkedList.inorder(callback);
+  });
+});

From a9868099d9a02b8ff69dddb64c290de527813d49 Mon Sep 17 00:00:00 2001
From: Jake Prather <JakeHP@Zoho.com>
Date: Wed, 4 Mar 2015 16:44:33 -0600
Subject: [PATCH 135/337] Added more docs for datastructures.

---
 src/data-structures/avl-tree.js           | 18 +++++++++++
 src/data-structures/binary-search-tree.js | 37 ++++++++++++++++++++++
 src/data-structures/linked-list.js        | 12 +++++++
 src/data-structures/splay-tree.js         | 38 ++++++++++++++++++++---
 src/sorting/heapsort.js                   |  3 ++
 5 files changed, 104 insertions(+), 4 deletions(-)

diff --git a/src/data-structures/avl-tree.js b/src/data-structures/avl-tree.js
index 7e911a94..8694246d 100644
--- a/src/data-structures/avl-tree.js
+++ b/src/data-structures/avl-tree.js
@@ -93,6 +93,15 @@
     return true;
   };
 
+  /**
+   * Gets the nodes to be restructured during an AVL restructure
+   * after a remove/delete takes place.
+   *
+   * @public
+   * @method
+   * @param {Array} traveledNodes Array of previously traveled nodes
+   * that are used to help determine the nodes to be restructured.
+   */
   exports.AVLTree.prototype._getNodesToRestructureRemove =
     function (traveledNodes) {
     // z is last traveled node - imbalance found at z
@@ -129,6 +138,15 @@
     return [x, y, z];
   };
 
+  /**
+   * Gets the nodes to be restructured during an AVL restructure
+   * after an insert takes place.
+   *
+   * @public
+   * @method
+   * @param {Array} traveledNodes Array of previously traveled nodes
+   * that are used to help determine the nodes to be restructured.
+   */
   exports.AVLTree.prototype._getNodesToRestructureInsert =
     function (traveledNodes) {
     // z is last traveled node - imbalance found at z
diff --git a/src/data-structures/binary-search-tree.js b/src/data-structures/binary-search-tree.js
index c6dd09f0..5d332218 100644
--- a/src/data-structures/binary-search-tree.js
+++ b/src/data-structures/binary-search-tree.js
@@ -330,6 +330,13 @@
     return this._findMax(this._root);
   };
 
+  /**
+   * Checks if a given node is balanced.
+   *
+   * @private
+   * @param {Node} current Node to have balance checked.
+   * @returns {Boolean} Boolean of whether or not provided node is balanced.
+   */
   exports.BinaryTree.prototype._isBalanced = function (current) {
     if (!current) {
       return true;
@@ -379,6 +386,13 @@
     return this._getHeight(this._root);
   };
 
+  /**
+   * Recursive worker function for getHeight()
+   *
+   * @private
+   * @param {Node} node Node at current recursive frame.
+   * @returns {Number} Height of the Node in the parameter.
+   */
   exports.BinaryTree.prototype._getHeight = function (node) {
     if (!node) {
       return 0;
@@ -391,6 +405,10 @@
    * Finds the lowest common ancestor of two nodes.
    *
    * @public
+   * @param {Node} firstNode First node to be considered when checking
+   * for ancestor.
+   * @param {Node} secondNode Second node to be considered when checking
+   * for ancestor.
    * @returns {Node} The lowest common ancestor of the two nodes or null.
    */
   exports.BinaryTree.prototype.lowestCommonAncestor =
@@ -398,6 +416,17 @@
     return this._lowestCommonAncestor(firstNode, secondNode, this._root);
   };
 
+  /**
+   * Obtains the lowest common ancestor for the given nodes.
+   *
+   * @private
+   * @param {Node} firstNode First node to be considered when checking
+   * for ancestor.
+   * @param {Node} secondNode Second node to be considered when checking
+   * for ancestor.
+   * @param {Node} current Current node.
+   * @returns {Node} The lowest common ancestor of the two nodes or null.
+   */
   exports.BinaryTree.prototype._lowestCommonAncestor =
    function (firstNode, secondNode, current) {
     var firstNodeInLeft = this._existsInSubtree(firstNode, current._left);
@@ -417,6 +446,14 @@
     return null;
   };
 
+  /**
+   * Checks if a given node exists in a subtree.
+   *
+   * @private
+   * @param {Node} node Node to check for.
+   * @param {Node} root Root node of a given subtree.
+   * @returns {Node} The lowest common ancestor of the two nodes or null.
+   */
   exports.BinaryTree.prototype._existsInSubtree = function (node, root) {
     if (!root) {
       return false;
diff --git a/src/data-structures/linked-list.js b/src/data-structures/linked-list.js
index f7390d81..14e9a23e 100644
--- a/src/data-structures/linked-list.js
+++ b/src/data-structures/linked-list.js
@@ -222,6 +222,12 @@
     return temp;
   };
 
+  /**
+   * Reverses the linked list recursively
+   *
+   * @public
+   * @method
+   */
   exports.LinkedList.prototype.recursiveReverse = function () {
 
     function inverse(current, next) {
@@ -242,6 +248,12 @@
     this.last = temp;
   };
 
+  /**
+   * Reverses the linked list iteratively
+   *
+   * @public
+   * @method
+   */
   exports.LinkedList.prototype.reverse = function () {
     if (!this.first || !this.first.next) {
       return;
diff --git a/src/data-structures/splay-tree.js b/src/data-structures/splay-tree.js
index b7aff748..dfadb1ee 100644
--- a/src/data-structures/splay-tree.js
+++ b/src/data-structures/splay-tree.js
@@ -58,6 +58,7 @@
    * @private
    * @method
    * @param {Node} node Node to be splayed.
+   * @returns {Node} The same node from the parameter, post splayed.
    */
   exports.SplayTree.prototype._splay = function (node) {
     while (this._root !== node) {
@@ -87,6 +88,7 @@
    * @private
    * @method
    * @param {Node} node Node to be zig-zig'd.
+   * @returns {Node} The same node from the parameter, post splayed.
    */
   exports.SplayTree.prototype._zigZig = function (node) {
 
@@ -136,6 +138,7 @@
    * @private
    * @method
    * @param {Node} node Node to be zig-zag'd.
+   * @returns {Node} The same node from the parameter, post splayed.
    */
   exports.SplayTree.prototype._zigZag = function (node) {
 
@@ -185,6 +188,7 @@
    * @private
    * @method
    * @param {Node} node Node to be zig'd.
+   * @returns {Node} The same node from the parameter, post splayed.
    */
   exports.SplayTree.prototype._zig = function (node) {
 
@@ -334,7 +338,7 @@
    * Average time complexity: O(log N).
    *
    * @public
-   * @param {Number|String} Value of the node which should be found.
+   * @param {Number|String} value of the node which should be found.
    */
   exports.SplayTree.prototype.search = function (value) {
     var node = this._search(value, this._root);
@@ -346,7 +350,7 @@
    * Average time complexity: O(log N).
    *
    * @public
-   * @param {Number|String} Value of the node which should be found.
+   * @param {Number|String} value of the node which should be found.
    */
   exports.SplayTree.prototype._splaylessSearch = function (value) {
     return this._search(value, this._root);
@@ -357,8 +361,8 @@
    * Average time complexity: O(log N).
    *
    * @private
-   * @param {Number|String} Value of the node which should be found.
-   * @param {Node} Current node to be checked.
+   * @param {Number|String} value of the node which should be found.
+   * @param {Node} current node to be checked.
    */
   exports.SplayTree.prototype._search = function (value, current) {
     if (!current) {
@@ -512,6 +516,13 @@
     return this._getHeight(this._root);
   };
 
+  /**
+   * Recursive worker function for getHeight()
+   *
+   * @public
+   * @param {Node} node The node of the current recursive frame.
+   * @returns {Number} The height of the tree.
+   */
   exports.SplayTree.prototype._getHeight = function (node) {
     if (!node) {
       return 0;
@@ -531,6 +542,17 @@
       return this._lowestCommonAncestor(firstNode, secondNode, this._root);
     };
 
+  /**
+   * Obtains the lowest common ancestor for the given nodes.
+   *
+   * @private
+   * @param {Node} firstNode First node to be considered when checking
+   * for ancestor.
+   * @param {Node} secondNode Second node to be considered when checking
+   * for ancestor.
+   * @param {Node} current Current node.
+   * @returns {Node} The lowest common ancestor of the two nodes or null.
+   */
   exports.SplayTree.prototype._lowestCommonAncestor =
     function (firstNode, secondNode, current) {
       var firstNodeInLeft = this._existsInSubtree(firstNode, current._left);
@@ -551,6 +573,14 @@
       return null;
     };
 
+  /**
+   * Checks if a given node exists in a subtree.
+   *
+   * @private
+   * @param {Node} node Node to check for.
+   * @param {Node} root Root node of a given subtree.
+   * @returns {Node} The lowest common ancestor of the two nodes or null.
+   */
   exports.SplayTree.prototype._existsInSubtree = function (node, root) {
     if (!root) {
       return false;
diff --git a/src/sorting/heapsort.js b/src/sorting/heapsort.js
index b661a827..765adc3a 100644
--- a/src/sorting/heapsort.js
+++ b/src/sorting/heapsort.js
@@ -14,6 +14,8 @@
      * @param {Array} array Array.
      * @param {Number} index Index of the element which palce in
      * the max heap should be found.
+     * @param {Number} heapSize Size of the heap.
+     * @param {function} cmp Comparison function.
      */
     function heapify(array, index, heapSize, cmp) {
       var left = 2 * index + 1;
@@ -41,6 +43,7 @@
      *
      * @private
      * @param {Array} array Array which should be turned into max heap.
+     * @param {function} cmp Comparison function.
      * @return {Array} array Array turned into max heap.
      */
     function buildMaxHeap(array, cmp) {

From 4a2d98ec0942d788fca61445404a4386ce7ed7d6 Mon Sep 17 00:00:00 2001
From: Jake Prather <JakeHP@Zoho.com>
Date: Thu, 5 Mar 2015 20:09:52 -0600
Subject: [PATCH 136/337] more doc fixes.

---
 src/graphics/bresenham-line-drawing.js     | 1 +
 src/graphs/shortest-path/dijkstra.js       | 1 +
 src/graphs/shortest-path/floyd-warshall.js | 4 ++--
 src/others/hanoi.js                        | 4 ++--
 src/searching/quickselect.js               | 2 +-
 src/searching/recursive-binarysearch.js    | 2 +-
 6 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/graphics/bresenham-line-drawing.js b/src/graphics/bresenham-line-drawing.js
index d8f79c7e..099cd694 100644
--- a/src/graphics/bresenham-line-drawing.js
+++ b/src/graphics/bresenham-line-drawing.js
@@ -8,6 +8,7 @@
    * @param  {number} y1 The second coordinate of the beginning of the line
    * @param  {number} x2 The first coordinate of the end of the line
    * @param  {number} y2 The second coordinate of the end of the line
+   * @param  {function} draw Optional custom drawing function.
    */
   function drawLine(x1, y1, x2, y2, draw) {
     drawPoint = draw || drawPoint;
diff --git a/src/graphs/shortest-path/dijkstra.js b/src/graphs/shortest-path/dijkstra.js
index 38b7aa30..0f5d30bd 100644
--- a/src/graphs/shortest-path/dijkstra.js
+++ b/src/graphs/shortest-path/dijkstra.js
@@ -39,6 +39,7 @@
      *
      * @private
      * @param {number} src Start node.
+     * @param {Array} graph A distance matrix of the graph.
      */
     function init(src, graph) {
       var currentTemp;
diff --git a/src/graphs/shortest-path/floyd-warshall.js b/src/graphs/shortest-path/floyd-warshall.js
index 4e97fd12..6c25b804 100644
--- a/src/graphs/shortest-path/floyd-warshall.js
+++ b/src/graphs/shortest-path/floyd-warshall.js
@@ -12,8 +12,8 @@
      * Initialize the distance matrix.
      *
      * @private
-     * @param {array} graph Distance matrix of the array.
-     * @return {array} Distance matrix used for the algorithm.
+     * @param {Array} graph Distance matrix of the array.
+     * @return {Array} Distance matrix used for the algorithm.
      */
     function init(graph) {
       var dist = [];
diff --git a/src/others/hanoi.js b/src/others/hanoi.js
index bbd6b052..613ff98a 100644
--- a/src/others/hanoi.js
+++ b/src/others/hanoi.js
@@ -25,8 +25,8 @@
    *
    * @param {Number} count Count of the plates/stones.
    * @param {String|Number} source Identifier of the 1st peg.
-   * @param {String|Number} source Identifier of the 2nd peg.
-   * @param {String|Number} source Identifier of the 3rd peg.
+   * @param {String|Number} intermediate Identifier of the 2nd peg.
+   * @param {String|Number} goal Identifier of the 3rd peg.
    * @return Array which contains all the moves required
    * in order to place all the plates onto the last peg.
    */
diff --git a/src/searching/quickselect.js b/src/searching/quickselect.js
index 6a16457f..ba068ea9 100644
--- a/src/searching/quickselect.js
+++ b/src/searching/quickselect.js
@@ -18,7 +18,7 @@
    * @param {Array} arr Input array.
    * @param {Number} n A number of an element.
    * @param {Number} lo Low index.
-   * @param {Number} lo High index.
+   * @param {Number} hi High index.
    * @return Returns n-th smallest element.
    */
   function quickselect(arr, n, lo, hi) {
diff --git a/src/searching/recursive-binarysearch.js b/src/searching/recursive-binarysearch.js
index 8eb4d2f5..1344bacd 100644
--- a/src/searching/recursive-binarysearch.js
+++ b/src/searching/recursive-binarysearch.js
@@ -26,7 +26,7 @@
 
     /**
      * Recursive version of binary search.
-     * Searchs for specific element in a given array using
+     * Searches for specific element in a given array using
      * the binary search algorithm.<br><br>
      * Time complexity: O(log N).
      *

From ecc523c9b5687b3e47f4f7ba9073f0ace00316a4 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Tue, 10 Mar 2015 11:51:50 -0700
Subject: [PATCH 137/337] Update contrib list

---
 readme.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/readme.md b/readme.md
index 4bdc682c..0b95fa29 100644
--- a/readme.md
+++ b/readme.md
@@ -71,9 +71,9 @@ If the build is not successful fix your code in order the tests and jshint valid
 
 ## Contributors
 
-[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="Jakehp" src="https://avatars.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="secrettriangle" src="https://avatars.githubusercontent.com/u/1765130?v=3&s=117" width="117">](https://github.com/secrettriangle) |[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |
+[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="secrettriangle" src="https://avatars.githubusercontent.com/u/1765130?v=3&s=117" width="117">](https://github.com/secrettriangle) |[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[pvoznenko](https://github.com/pvoznenko) |[Jakehp](https://github.com/Jakehp) |[secrettriangle](https://github.com/secrettriangle) |[Microfed](https://github.com/Microfed) |
+[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[pvoznenko](https://github.com/pvoznenko) |[secrettriangle](https://github.com/secrettriangle) |[Microfed](https://github.com/Microfed) |
 
 [<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |
 :---: |:---: |

From 6ac898570c55272c83d9741dd765feacf02eaf20 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Tue, 17 Mar 2015 21:15:49 -0700
Subject: [PATCH 138/337] Add min change problem

---
 src/others/min-coins-change.js    | 50 +++++++++++++++++++++++++++++++
 test/others/min-coins-sum.spec.js | 30 +++++++++++++++++++
 2 files changed, 80 insertions(+)
 create mode 100644 src/others/min-coins-change.js
 create mode 100644 test/others/min-coins-sum.spec.js

diff --git a/src/others/min-coins-change.js b/src/others/min-coins-change.js
new file mode 100644
index 00000000..239f99e5
--- /dev/null
+++ b/src/others/min-coins-change.js
@@ -0,0 +1,50 @@
+(function (exports) {
+  'use strict';
+
+  /**
+   * Returns the minimum number of coins from given set,
+   * which sum equals to given change. This is famous
+   * problem from the dymanic programming:
+   *   https://en.wikipedia.org/wiki/Change-making_problem
+   *
+   * @public
+   * @module others/minCoinsChange
+   *
+   * @example
+   *
+   * var minCoinsChange =
+   *  require('path-to-algorithms/src/others/min-coins-change')
+   *  .minCoinsChange;
+   * var coins = minCoinsChange([1, 2, 3], 5); // [ 2, 3 ]
+   *
+   * @param {Array} coins The sorted list of the coins used for the change.
+   * @param {Number} change The change, which should be returned.
+   * @return Array which contains the minimum coins from the given
+   *  list, required for the change.
+   */
+  function minCoinsChange(coins, change) {
+    var minChange = [[0]];
+    if (coins.indexOf(change) >= 0) {
+      return [change];
+    }
+    for (var i = 1; i <= change; i += 1) {
+      var current = null;
+      for (var j = 0; j < coins.length && coins[j] <= change; j += 1) {
+        for (var k = 0; k < minChange.length; k += 1) {
+          if (k + coins[j] === i &&
+             (!current || minChange[k].length + 1 < current.length)) {
+            minChange[i] = minChange[k].concat([coins[j]]);
+          }
+        }
+      }
+    }
+    var result = minChange[change];
+    if (!result) {
+      return undefined;
+    }
+    return result.slice(1);
+  }
+
+  exports.minCoinsChange = minCoinsChange;
+
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/test/others/min-coins-sum.spec.js b/test/others/min-coins-sum.spec.js
new file mode 100644
index 00000000..7a5004d1
--- /dev/null
+++ b/test/others/min-coins-sum.spec.js
@@ -0,0 +1,30 @@
+'use strict';
+
+var minCoinsChange =
+  require('../../src/others/min-coins-change.js').minCoinsChange;
+
+describe('Change making problem', function () {
+  it('should be defined', function () {
+    expect(minCoinsChange).toBeDefined();
+  });
+
+  it('should work for 0 change', function () {
+    expect(minCoinsChange([1, 2], 0)).toEqual([]);
+  });
+
+  it('should work for change equals to array element', function () {
+    expect(minCoinsChange([1, 2], 1)).toEqual([1]);
+  });
+
+  it('should return the minimum amount of coins', function () {
+    expect(minCoinsChange([1], 2)).toEqual([1, 1]);
+    expect(minCoinsChange([1, 2], 3)).toEqual([1, 2]);
+    // [2, 3, 2, 3] or [1, 3, 3, 3]
+    expect(minCoinsChange([1, 2, 3], 10).length).toEqual(4);
+  });
+
+  it('should return undefined for combination, which is not possible',
+    function () {
+      expect(minCoinsChange([1, 2, 3], 0.5)).not.toBeDefined();
+    });
+});

From 8da32f37a416aaadc9c459c3797cd0e5629d7732 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Thu, 19 Mar 2015 10:05:41 -0700
Subject: [PATCH 139/337] Add credits to Robert Sedgewick, closes #53

---
 src/sets/quickfind.js        | 4 ++++
 src/sets/quickunion.js       | 3 +++
 src/sets/weightquickunion.js | 3 +++
 3 files changed, 10 insertions(+)

diff --git a/src/sets/quickfind.js b/src/sets/quickfind.js
index 15ab2fa7..272dd72c 100644
--- a/src/sets/quickfind.js
+++ b/src/sets/quickfind.js
@@ -2,6 +2,10 @@
  * Keeps track of a set of elements partitioned into a
  * number of disjoint (nonoverlapping) subsets.
  * Allows to check whether the path between two nodes exists.
+ * The algorithm is inspired by Robert Sedgewick's Java implementation.
+ * <br>
+ * The algorithm is inspired by Robert Sedgewick's Java implementation.
+ * For further reading http://algs4.cs.princeton.edu/home/.
  *
  * @example
  *
diff --git a/src/sets/quickunion.js b/src/sets/quickunion.js
index 21f6b8d8..ecb88327 100644
--- a/src/sets/quickunion.js
+++ b/src/sets/quickunion.js
@@ -2,6 +2,9 @@
  * Keeps track of a set of elements partitioned into a
  * number of disjoint (nonoverlapping) subsets.
  * Allows to check whether the path between two nodes exists.
+ * <br>
+ * The algorithm is inspired by Robert Sedgewick's Java implementation.
+ * For further reading http://algs4.cs.princeton.edu/home/.
  *
  * @example
  *
diff --git a/src/sets/weightquickunion.js b/src/sets/weightquickunion.js
index 765fcb85..57c5b1d2 100644
--- a/src/sets/weightquickunion.js
+++ b/src/sets/weightquickunion.js
@@ -2,6 +2,9 @@
  * Keeps track of a set of elements partitioned into a
  * number of disjoint (nonoverlapping) subsets.
  * Allows to check whether the path between two nodes exists.
+ * <br>
+ * The algorithm is inspired by Robert Sedgewick's Java implementation.
+ * For further reading http://algs4.cs.princeton.edu/home/.
  *
  * @example
  *

From 129de26b8dc009082216463fcab89f79672fbb7d Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Mon, 13 Apr 2015 10:32:47 +0300
Subject: [PATCH 140/337] Add recursive binary search spec

---
 test/searching/recursive-binarysearch.spec.js | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 test/searching/recursive-binarysearch.spec.js

diff --git a/test/searching/recursive-binarysearch.spec.js b/test/searching/recursive-binarysearch.spec.js
new file mode 100644
index 00000000..3678ef10
--- /dev/null
+++ b/test/searching/recursive-binarysearch.spec.js
@@ -0,0 +1,29 @@
+'use strict';
+
+var binarySearch =
+  require('../../src/searching/recursive-binarysearch').binarySearch;
+
+describe('Binary search', function () {
+
+  it('should find the element at position 0 ', function () {
+    expect(binarySearch([1, 2, 3, 4, 6, 8], 1)).toBe(0);
+  });
+
+  it('should find the eleent in position arr.length', function () {
+    expect(binarySearch([1, 2, 3, 4, 6, 8], 1)).toBe(0);
+  });
+
+  it('should work with arrays with 2 elements', function () {
+    expect(binarySearch([1, 8], 1)).toBe(0);
+    expect(binarySearch([1, 8], 8)).toBe(1);
+  });
+
+  it('should return a negative number for missing elements', function () {
+    expect(binarySearch([1, 2, 3], 4)).toBeLessThan(0);
+  });
+
+  it('should work with empty arrays', function () {
+    expect(binarySearch([], 4)).toBe(-1);
+  });
+
+});

From 2dbfc5d9eed5bb74303695004782a1f61eb58a60 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Mon, 13 Apr 2015 10:40:35 +0300
Subject: [PATCH 141/337] Fix quick select return values

---
 src/searching/quickselect.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/searching/quickselect.js b/src/searching/quickselect.js
index ba068ea9..7ba9790c 100644
--- a/src/searching/quickselect.js
+++ b/src/searching/quickselect.js
@@ -41,7 +41,7 @@
     }
 
     if (arr.length <= n) {
-      return NaN;
+      return undefined;
     }
     lo = lo || 0;
     hi = hi || arr.length - 1;
@@ -60,7 +60,7 @@
         lo = pivotIdx + 1;
       }
     }
-    return NaN;
+    return undefined;
   }
   exports.quickselect = quickselect;
 

From 2f80d345907a5da15dd0a034d8c626672a0fa95d Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Mon, 13 Apr 2015 10:40:52 +0300
Subject: [PATCH 142/337] Add tests for quick select

---
 test/searching/quickselect.spec.js | 31 ++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 test/searching/quickselect.spec.js

diff --git a/test/searching/quickselect.spec.js b/test/searching/quickselect.spec.js
new file mode 100644
index 00000000..e48f0532
--- /dev/null
+++ b/test/searching/quickselect.spec.js
@@ -0,0 +1,31 @@
+var quickselect = require('../../src/searching/quickselect').quickselect;
+
+describe('quickselect', function () {
+  'use strict';
+
+  it('should be defined as function', function () {
+    expect(typeof quickselect).toBe('function');
+  });
+
+  it('should work with empty array', function () {
+    expect(quickselect([], 1)).toBe(undefined);
+  });
+
+  it('should find the only element in the list', function () {
+    expect(quickselect([1], 0)).toBe(1);
+  });
+
+  it('should return undefined if the list is smaller than the index',
+    function () {
+      expect(quickselect([2, 1], 3)).toBeUndefined();
+    });
+
+  it('should find the element if in sorted order', function () {
+    expect(quickselect([1, 2], 0)).toBe(1);
+    expect(quickselect([1, 2], 1)).toBe(2);
+  });
+
+  it('should fine the element if not in sorted order', function () {
+    expect(quickselect([2, 1, 9, 6], 3)).toBe(9);
+  });
+});

From 2b168965283cb2d4e0d85aa8391a36482f1f7c25 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Mon, 13 Apr 2015 10:43:45 +0300
Subject: [PATCH 143/337] Fix indentation

---
 src/combinatorics/permutations.js             |  2 +-
 src/data-structures/suffix-tree.js            | 25 -------------------
 .../longest-increasing-subsequence.js         | 10 ++++----
 src/sets/weightquickunion.js                  |  8 +++---
 4 files changed, 10 insertions(+), 35 deletions(-)

diff --git a/src/combinatorics/permutations.js b/src/combinatorics/permutations.js
index 915acea1..0ab94b77 100644
--- a/src/combinatorics/permutations.js
+++ b/src/combinatorics/permutations.js
@@ -21,7 +21,7 @@
       }
     }
 
-   /**
+    /**
     * Finds all the permutations of given array.<br><br>
     * Permutation relates to the act of rearranging, or permuting,
     * all the members of a set into some sequence or order.
diff --git a/src/data-structures/suffix-tree.js b/src/data-structures/suffix-tree.js
index 7fe73109..e6b917c4 100644
--- a/src/data-structures/suffix-tree.js
+++ b/src/data-structures/suffix-tree.js
@@ -66,31 +66,6 @@
     }
   };
 
-//  function isSubstr(tree, str) {
-//    if (!tree) {
-//      return false;
-//    }
-//    if (tree.nodes[str[0]]) {
-//      return isSubstr(tree, str.substr(1, str.length));
-//    }
-//    var match = '';
-//    for (var i = 0; i < Math.min(tree.value.length, str.length); i += 1) {
-//      if (tree.value[i] === str[i]) {
-//        match += str[i];
-//      } else {
-//        break;
-//      }
-//    }
-//    if (match.length === str.length) {
-//      return true;
-//    }
-//    return false;
-//  }
-
-  // var suffix = new SuffixTree();
-  // suffix.build('banana');
-  // console.log(suffix);
-
   exports.Node = Node;
   exports.SuffixTree = SuffixTree;
 
diff --git a/src/searching/longest-increasing-subsequence.js b/src/searching/longest-increasing-subsequence.js
index 54129632..a0a95412 100644
--- a/src/searching/longest-increasing-subsequence.js
+++ b/src/searching/longest-increasing-subsequence.js
@@ -3,7 +3,7 @@
 
   exports.longestSubsequence = (function () {
 
-   /**
+    /**
     * Find the index of the first largest element in array.
     * Complexity: O(N).
     *
@@ -29,7 +29,7 @@
       return maxIdx;
     }
 
-   /**
+    /**
     * Default comparison method.
     * @private
     */
@@ -37,7 +37,7 @@
       return a.distance - b.distance;
     }
 
-   /**
+    /**
     * Creates directed graph from given array.
     * Each element's neighbours are the elements which can be
     * after the element in the resulting sequence.<br><br>
@@ -59,7 +59,7 @@
       return result;
     }
 
-   /**
+    /**
     * Finds the longest sub-sequence for given node.<br><br>
     * Complexity: O(N^N).
     * @private
@@ -98,7 +98,7 @@
       return result;
     }
 
-    /**
+     /**
      * Algorithm from dynamic programming. It finds the longest
      * sub-sequence of increasing numbers. It is not required
      * the numbers to be neighboring. For example for 1, 5, 2
diff --git a/src/sets/weightquickunion.js b/src/sets/weightquickunion.js
index 57c5b1d2..410245b2 100644
--- a/src/sets/weightquickunion.js
+++ b/src/sets/weightquickunion.js
@@ -28,7 +28,7 @@
 (function (exports) {
   'use strict';
 
-  /**
+   /**
    * Initialization.<br><br>
    * Time complexity: O(N).
    *
@@ -45,7 +45,7 @@
     }
   };
 
-  /**
+   /**
    * Finds the root of given node.<br><br>
    * Time complexity: O(log N).
    * @private
@@ -60,7 +60,7 @@
     return i;
   };
 
-  /**
+   /**
    * Checks whether two nodes are connected.<br><br>
    * Time complexity: O(log N).
    *
@@ -72,7 +72,7 @@
     return this._root(p) === this._root(q);
   };
 
-  /**
+   /**
    * Connects two nodes - p and q.<br><br>
    * Time complexity: O(log N).
    *

From e59c2d964f7dae2d27f118ce816a470c0ed97a4a Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Mon, 13 Apr 2015 10:49:22 +0300
Subject: [PATCH 144/337] Fix indentation

---
 .../longest-increasing-subsequence.js         | 32 ++++-----
 src/sets/weightquickunion.js                  | 66 +++++++++----------
 2 files changed, 49 insertions(+), 49 deletions(-)

diff --git a/src/searching/longest-increasing-subsequence.js b/src/searching/longest-increasing-subsequence.js
index a0a95412..7ee8b232 100644
--- a/src/searching/longest-increasing-subsequence.js
+++ b/src/searching/longest-increasing-subsequence.js
@@ -98,22 +98,22 @@
       return result;
     }
 
-     /**
-     * Algorithm from dynamic programming. It finds the longest
-     * sub-sequence of increasing numbers. It is not required
-     * the numbers to be neighboring. For example for 1, 5, 2
-     * sequence the longest sub-sequence is 1, 2.
-     *
-     * @example
-     * var subsequence = require('path-to-algorithms/src/searching/'+
-     * 'longest-increasing-subsequence').longestSubsequence;
-     * console.log(subsequence([1, 0, 4, 3, 5])); // 1, 4, 5
-     *
-     * @public
-     * @module searching/longest-increasing-subsequence
-     * @param {Array} array Input sequence.
-     * @return {Array} Longest increasing subsequence.
-     */
+    /**
+    * Algorithm from dynamic programming. It finds the longest
+    * sub-sequence of increasing numbers. It is not required
+    * the numbers to be neighboring. For example for 1, 5, 2
+    * sequence the longest sub-sequence is 1, 2.
+    *
+    * @example
+    * var subsequence = require('path-to-algorithms/src/searching/'+
+    * 'longest-increasing-subsequence').longestSubsequence;
+    * console.log(subsequence([1, 0, 4, 3, 5])); // 1, 4, 5
+    *
+    * @public
+    * @module searching/longest-increasing-subsequence
+    * @param {Array} array Input sequence.
+    * @return {Array} Longest increasing subsequence.
+    */
     return function (array) {
       var results = [];
       var dag = buildDag(array);
diff --git a/src/sets/weightquickunion.js b/src/sets/weightquickunion.js
index 410245b2..47079193 100644
--- a/src/sets/weightquickunion.js
+++ b/src/sets/weightquickunion.js
@@ -28,14 +28,14 @@
 (function (exports) {
   'use strict';
 
-   /**
-   * Initialization.<br><br>
-   * Time complexity: O(N).
-   *
-   * @public
-   * @constructor
-   * @param {Numner} size Count of the nodes.
-   */
+  /**
+  * Initialization.<br><br>
+  * Time complexity: O(N).
+  *
+  * @public
+  * @constructor
+  * @param {Numner} size Count of the nodes.
+  */
   exports.QuickUnion = function (n) {
     this._ids = [];
     this._size = [];
@@ -45,42 +45,42 @@
     }
   };
 
-   /**
-   * Finds the root of given node.<br><br>
-   * Time complexity: O(log N).
-   * @private
-   * @param {Number} i The given node.
-   * @return {Number} Root of the given node.
-   */
+  /**
+  * Finds the root of given node.<br><br>
+  * Time complexity: O(log N).
+  * @private
+  * @param {Number} i The given node.
+  * @return {Number} Root of the given node.
+  */
   exports.QuickUnion.prototype._root = function (i) {
     while (i !== this._ids[i]) {
-  //    this._ids[i] = this._ids[this._ids[i]]; //enables the path compression
+      // this._ids[i] = this._ids[this._ids[i]]; //enables the path compression
       i = this._ids[i];
     }
     return i;
   };
 
-   /**
-   * Checks whether two nodes are connected.<br><br>
-   * Time complexity: O(log N).
-   *
-   * @param {Number} p The first node.
-   * @param {Number} q The second node.
-   * @return {Boolean} True/false depending on whether the nodes are connected.
-   */
+  /**
+  * Checks whether two nodes are connected.<br><br>
+  * Time complexity: O(log N).
+  *
+  * @param {Number} p The first node.
+  * @param {Number} q The second node.
+  * @return {Boolean} True/false depending on whether the nodes are connected.
+  */
   exports.QuickUnion.prototype.connected = function (p, q) {
     return this._root(p) === this._root(q);
   };
 
-   /**
-   * Connects two nodes - p and q.<br><br>
-   * Time complexity: O(log N).
-   *
-   * @public
-   * @method
-   * @param {Number} p The first node.
-   * @param {Number} q The second node.
-   */
+  /**
+  * Connects two nodes - p and q.<br><br>
+  * Time complexity: O(log N).
+  *
+  * @public
+  * @method
+  * @param {Number} p The first node.
+  * @param {Number} q The second node.
+  */
   exports.QuickUnion.prototype.union = function (p, q) {
     var pf = this._root(p);
     var qf = this._root(q);

From ecd99c91d157ca53d1a97caf54102854d5327e27 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sun, 26 Apr 2015 17:48:02 +0200
Subject: [PATCH 145/337] Fix issue in dijkstra for empty matrix

---
 src/graphs/shortest-path/dijkstra.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/graphs/shortest-path/dijkstra.js b/src/graphs/shortest-path/dijkstra.js
index 0f5d30bd..e271b6d5 100644
--- a/src/graphs/shortest-path/dijkstra.js
+++ b/src/graphs/shortest-path/dijkstra.js
@@ -112,7 +112,10 @@
         visited[current.node] = true;
         current = unvisited.extract();
       }
-      return distance[dest].distance;
+      if (distance[dest]) {
+        return distance[dest].distance || Infinity;
+      }
+      return Infinity;
     };
 
   })();

From 911d563071f6876a49336694dd36c50189ac8304 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sun, 26 Apr 2015 17:48:24 +0200
Subject: [PATCH 146/337] Add basic tests for dijkstra

---
 test/graphs/shortest-path/dijkstra.spec.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 test/graphs/shortest-path/dijkstra.spec.js

diff --git a/test/graphs/shortest-path/dijkstra.spec.js b/test/graphs/shortest-path/dijkstra.spec.js
new file mode 100644
index 00000000..c5658463
--- /dev/null
+++ b/test/graphs/shortest-path/dijkstra.spec.js
@@ -0,0 +1,15 @@
+var dijkstra =
+  require('../../../src/graphs/shortest-path/dijkstra').dijkstra;
+
+describe('dijkstra', function () {
+  'use strict';
+  it('should define a function', function () {
+    expect(dijkstra).toBeDefined();
+    expect(typeof dijkstra).toBe('function');
+  });
+
+  it('should work with empty graph', function () {
+    expect(dijkstra(0, 0, [])).toBe(Infinity);
+  });
+
+});

From 60f2983ebc42fd64a851ae2ad64a040e9309f232 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sun, 26 Apr 2015 17:53:32 +0200
Subject: [PATCH 147/337] Add basic tests for dijkstra

---
 src/graphs/shortest-path/dijkstra.js       |  2 +-
 test/graphs/shortest-path/dijkstra.spec.js | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/graphs/shortest-path/dijkstra.js b/src/graphs/shortest-path/dijkstra.js
index e271b6d5..2b08fc1e 100644
--- a/src/graphs/shortest-path/dijkstra.js
+++ b/src/graphs/shortest-path/dijkstra.js
@@ -113,7 +113,7 @@
         current = unvisited.extract();
       }
       if (distance[dest]) {
-        return distance[dest].distance || Infinity;
+        return distance[dest].distance;
       }
       return Infinity;
     };
diff --git a/test/graphs/shortest-path/dijkstra.spec.js b/test/graphs/shortest-path/dijkstra.spec.js
index c5658463..ca13b147 100644
--- a/test/graphs/shortest-path/dijkstra.spec.js
+++ b/test/graphs/shortest-path/dijkstra.spec.js
@@ -12,4 +12,15 @@ describe('dijkstra', function () {
     expect(dijkstra(0, 0, [])).toBe(Infinity);
   });
 
+  it('should work when the src and dest are the same', function () {
+    expect(dijkstra(0, 0, [[0]])).toBe(0);
+  });
+
+  it('should work when there\'s no path', function () {
+    expect(dijkstra(0, 1, [[0, Infinity], [Infinity, 0]])).toBe(Infinity);
+  });
+
+  it('should find the shortest path', function () {
+    expect(dijkstra(0, 2, [[0, 1, 4], [1, 0, 1], [4, 1, 0]])).toBe(2);
+  });
 });

From 9280db2f759e6687250195b2a488c9ccbe34c7c2 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Fri, 1 May 2015 18:19:04 +0300
Subject: [PATCH 148/337] Add tests for topological sort

---
 test/graphs/others/topological-sort.spec.js | 40 +++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 test/graphs/others/topological-sort.spec.js

diff --git a/test/graphs/others/topological-sort.spec.js b/test/graphs/others/topological-sort.spec.js
new file mode 100644
index 00000000..019804b7
--- /dev/null
+++ b/test/graphs/others/topological-sort.spec.js
@@ -0,0 +1,40 @@
+var ts = require('../../../src/graphs/others/topological-sort').topologicalSort;
+
+describe('Topological sort', function () {
+  'use strict';
+  it('should be defined', function () {
+    expect(typeof ts).toBe('function');
+  });
+
+  it('should work with empty graphs', function () {
+    expect(ts({})).toEqual([]);
+  });
+
+  it('should give the proper topological order', function () {
+    expect(ts({ v1: [] })).toEqual(['v1']);
+    var graph = {
+      v1: ['v2'],
+      v2: ['v3'],
+      v3: []
+    };
+    expect(ts(graph)).toEqual(['v1', 'v2', 'v3']);
+    graph = {
+      v1: ['v2', 'v5'],
+      v2: [],
+      v3: ['v1', 'v2', 'v4', 'v5'],
+      v4: [],
+      v5: []
+    };
+    expect(ts(graph)).toEqual(['v3', 'v4', 'v1', 'v5', 'v2']);
+  });
+
+  it('should throw an error on cycle', function () {
+    function runTs() {
+      ts({
+        v1: ['v2'],
+        v2: ['v1']
+      });
+    }
+    expect(runTs).toThrow();
+  });
+});

From 95f879a4705b6d720d27dec8e1c9cf8d726d18f8 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Thu, 7 May 2015 17:12:11 -0700
Subject: [PATCH 149/337] Update bellman-ford's jsdocs

---
 src/graphs/shortest-path/bellman-ford.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/graphs/shortest-path/bellman-ford.js b/src/graphs/shortest-path/bellman-ford.js
index 47f05b85..a2d283be 100644
--- a/src/graphs/shortest-path/bellman-ford.js
+++ b/src/graphs/shortest-path/bellman-ford.js
@@ -47,7 +47,8 @@
    * @param {Array} edges Edges of the graph.
    * @param {Number} source Start vertex.
    * @returns {Object} Object with two arrays (parents and distances)
-   *   with shortest-path information.
+   *   with shortest-path information or undefined if the graph
+   *   has a negative cycle.
    */
   exports.bellmanFord = function (vertexes, edges, source) {
     var distances = {};

From 28b5d0f67b51898a771edc7b8894fa16985860d1 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Thu, 7 May 2015 17:25:34 -0700
Subject: [PATCH 150/337] Fix Bellman-Ford implementation

---
 src/graphs/shortest-path/bellman-ford.js | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/src/graphs/shortest-path/bellman-ford.js b/src/graphs/shortest-path/bellman-ford.js
index a2d283be..4429553d 100644
--- a/src/graphs/shortest-path/bellman-ford.js
+++ b/src/graphs/shortest-path/bellman-ford.js
@@ -12,7 +12,13 @@
  * var Edge = BellmanFord.Edge;
  * var bellmanFord = BellmanFord.bellmanFord;
  * var edges = [];
- * var vertexes = [0, 1, 2, 3, 4];
+ * var vertexes = [
+ *   new Vertex(0),
+ *   new Vertex(1),
+ *   new Vertex(2),
+ *   new Vertex(3),
+ *   new Vertex(4)
+ * ];
  *
  * edges.push(new Edge(0, 1, -1));
  * edges.push(new Edge(0, 2, 4));
@@ -55,23 +61,23 @@
     var parents = {};
     var c;
     for (var i = 0; i < vertexes.length; i += 1) {
-      distances[vertexes[i]] = Infinity;
-      parents[vertexes[i]] = null;
+      distances[vertexes[i].id] = Infinity;
+      parents[vertexes[i].id] = null;
     }
     distances[source] = 0;
     for (i = 0; i < vertexes.length - 1; i += 1) {
       for (var j = 0; j < edges.length; j += 1) {
         c = edges[j];
-        if (distances[c.from] + c.weight < distances[c.to]) {
-          distances[c.to] = distances[c.from] + c.weight;
-          parents[c.to] = c.from;
+        if (distances[c.from.id] + c.distance < distances[c.to.id]) {
+          distances[c.to.id] = distances[c.from.id] + c.distance;
+          parents[c.to.id] = c.from.id;
         }
       }
     }
 
     for (i = 0; i < edges.length; i += 1) {
       c = edges[i];
-      if (distances[c.from] + c.weight < distances[c.to]) {
+      if (distances[c.from.id] + c.distance < distances[c.to.id]) {
         return undefined;
       }
     }

From d0a1358dbc2c4553cf718a596126b2ef4de8c24a Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Thu, 7 May 2015 17:41:51 -0700
Subject: [PATCH 151/337] Add basic tests for bellman ford

---
 .../graphs/shortest-path/bellman-ford.spec.js | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 test/graphs/shortest-path/bellman-ford.spec.js

diff --git a/test/graphs/shortest-path/bellman-ford.spec.js b/test/graphs/shortest-path/bellman-ford.spec.js
new file mode 100644
index 00000000..ab9a7f2d
--- /dev/null
+++ b/test/graphs/shortest-path/bellman-ford.spec.js
@@ -0,0 +1,33 @@
+var exported =
+  require('../../../src/graphs/shortest-path/bellman-ford'),
+  bellmanFord = exported.bellmanFord,
+  Vertex = exported.Vertex,
+  Edge = exported.Edge;
+
+describe('Bellman-Ford', function () {
+  'use strict';
+  it('should exports a method called bellmanFord', function () {
+    expect(typeof bellmanFord).toBe('function');
+  });
+
+  it('should work for an empty graph', function () {
+    var vs = [];
+    var e = [];
+    expect(bellmanFord(vs, e, undefined))
+      .toEqual({ parents: {}, distances: { undefined: 0 } });
+  });
+
+  it('should work for a graph with a single vertex', function () {
+    var vs = [new Vertex(1)];
+    var e = [];
+    expect(bellmanFord(vs, e, 1))
+      .toEqual({ parents: { '1': null }, distances: { '1': 0 }});
+  });
+
+  it('should work in the general case', function () {
+    var vs = [new Vertex(1), new Vertex(2), new Vertex(3)];
+    var e = [];
+    expect(bellmanFord(vs, e, 1))
+      .toEqual({ parents: { '1': null }, distances: { '1': 0 }});
+  });
+});

From 7ca316264c544a1b0e8efb19e71909d3f5f23cd9 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Thu, 7 May 2015 17:56:08 -0700
Subject: [PATCH 152/337] Update bellman ford, edge and spec

---
 src/data-structures/edge.js                   |  4 +--
 src/graphs/shortest-path/bellman-ford.js      | 34 ++++++++++---------
 .../graphs/shortest-path/bellman-ford.spec.js | 13 ++++---
 3 files changed, 28 insertions(+), 23 deletions(-)

diff --git a/src/data-structures/edge.js b/src/data-structures/edge.js
index 48fe5ec7..e16e343a 100644
--- a/src/data-structures/edge.js
+++ b/src/data-structures/edge.js
@@ -12,8 +12,8 @@
    * @module data-structures/edge
    */
   exports.Edge = function (e, v, distance) {
-    this.e = e;
-    this.v = v;
+    this.from = e;
+    this.to = v;
     this.distance = distance;
   };
 
diff --git a/src/graphs/shortest-path/bellman-ford.js b/src/graphs/shortest-path/bellman-ford.js
index 4429553d..d7fcf45b 100644
--- a/src/graphs/shortest-path/bellman-ford.js
+++ b/src/graphs/shortest-path/bellman-ford.js
@@ -60,25 +60,27 @@
     var distances = {};
     var parents = {};
     var c;
-    for (var i = 0; i < vertexes.length; i += 1) {
-      distances[vertexes[i].id] = Infinity;
-      parents[vertexes[i].id] = null;
-    }
-    distances[source] = 0;
-    for (i = 0; i < vertexes.length - 1; i += 1) {
-      for (var j = 0; j < edges.length; j += 1) {
-        c = edges[j];
-        if (distances[c.from.id] + c.distance < distances[c.to.id]) {
-          distances[c.to.id] = distances[c.from.id] + c.distance;
-          parents[c.to.id] = c.from.id;
+    if (source) {
+      for (var i = 0; i < vertexes.length; i += 1) {
+        distances[vertexes[i].id] = Infinity;
+        parents[vertexes[i].id] = null;
+      }
+      distances[source.id] = 0;
+      for (i = 0; i < vertexes.length - 1; i += 1) {
+        for (var j = 0; j < edges.length; j += 1) {
+          c = edges[j];
+          if (distances[c.from.id] + c.distance < distances[c.to.id]) {
+            distances[c.to.id] = distances[c.from.id] + c.distance;
+            parents[c.to.id] = c.from.id;
+          }
         }
       }
-    }
 
-    for (i = 0; i < edges.length; i += 1) {
-      c = edges[i];
-      if (distances[c.from.id] + c.distance < distances[c.to.id]) {
-        return undefined;
+      for (i = 0; i < edges.length; i += 1) {
+        c = edges[i];
+        if (distances[c.from.id] + c.distance < distances[c.to.id]) {
+          return undefined;
+        }
       }
     }
 
diff --git a/test/graphs/shortest-path/bellman-ford.spec.js b/test/graphs/shortest-path/bellman-ford.spec.js
index ab9a7f2d..1481788d 100644
--- a/test/graphs/shortest-path/bellman-ford.spec.js
+++ b/test/graphs/shortest-path/bellman-ford.spec.js
@@ -14,20 +14,23 @@ describe('Bellman-Ford', function () {
     var vs = [];
     var e = [];
     expect(bellmanFord(vs, e, undefined))
-      .toEqual({ parents: {}, distances: { undefined: 0 } });
+      .toEqual({ parents: {}, distances: {} });
   });
 
   it('should work for a graph with a single vertex', function () {
     var vs = [new Vertex(1)];
     var e = [];
-    expect(bellmanFord(vs, e, 1))
+    expect(bellmanFord(vs, e, vs[0]))
       .toEqual({ parents: { '1': null }, distances: { '1': 0 }});
   });
 
   it('should work in the general case', function () {
     var vs = [new Vertex(1), new Vertex(2), new Vertex(3)];
-    var e = [];
-    expect(bellmanFord(vs, e, 1))
-      .toEqual({ parents: { '1': null }, distances: { '1': 0 }});
+    var e = [new Edge(vs[0], vs[1], 2),
+      new Edge(vs[0], vs[2], 10),
+      new Edge(vs[1], vs[2], 1)
+    ];
+    var output = bellmanFord(vs, e, vs[0]);
+    expect(output.distances['3']).toBe(3);
   });
 });

From f62871d62a07644275d7cfe8bce85e696c659e21 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Thu, 7 May 2015 18:00:49 -0700
Subject: [PATCH 153/337] Update bellman ford specs

---
 test/graphs/shortest-path/bellman-ford.spec.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/graphs/shortest-path/bellman-ford.spec.js b/test/graphs/shortest-path/bellman-ford.spec.js
index 1481788d..3910c0b8 100644
--- a/test/graphs/shortest-path/bellman-ford.spec.js
+++ b/test/graphs/shortest-path/bellman-ford.spec.js
@@ -21,7 +21,7 @@ describe('Bellman-Ford', function () {
     var vs = [new Vertex(1)];
     var e = [];
     expect(bellmanFord(vs, e, vs[0]))
-      .toEqual({ parents: { '1': null }, distances: { '1': 0 }});
+      .toEqual({ parents: { 1: null }, distances: { 1: 0 }});
   });
 
   it('should work in the general case', function () {

From 9a437b13ebac2f7854484deb3fed4342979db640 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Thu, 7 May 2015 18:01:45 -0700
Subject: [PATCH 154/337] Fix build

---
 test/graphs/shortest-path/bellman-ford.spec.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/test/graphs/shortest-path/bellman-ford.spec.js b/test/graphs/shortest-path/bellman-ford.spec.js
index 3910c0b8..79a55d4e 100644
--- a/test/graphs/shortest-path/bellman-ford.spec.js
+++ b/test/graphs/shortest-path/bellman-ford.spec.js
@@ -1,8 +1,8 @@
 var exported =
-  require('../../../src/graphs/shortest-path/bellman-ford'),
-  bellmanFord = exported.bellmanFord,
-  Vertex = exported.Vertex,
-  Edge = exported.Edge;
+  require('../../../src/graphs/shortest-path/bellman-ford');
+var bellmanFord = exported.bellmanFord;
+var Vertex = exported.Vertex;
+var Edge = exported.Edge;
 
 describe('Bellman-Ford', function () {
   'use strict';

From 25dc6aabe5e16ac0a563d69817eb8a1e4b5b8968 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Filipe=20Falc=C3=A3o?= <filipefalcaosantos@gmail.com>
Date: Mon, 11 May 2015 01:31:22 -0300
Subject: [PATCH 155/337] LZW Encoding/Decoding
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Lempel–Ziv–Welch (LZW) is a universal lossless data compression
algorithm. It is an improved implementation of the LZ78 algorithm.
---
 src/compression/LZW/LZW.js | 95 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 src/compression/LZW/LZW.js

diff --git a/src/compression/LZW/LZW.js b/src/compression/LZW/LZW.js
new file mode 100644
index 00000000..9c1f9c06
--- /dev/null
+++ b/src/compression/LZW/LZW.js
@@ -0,0 +1,95 @@
+/**
+ * LZW Encoding/Decoding
+ *
+ * Lempel–Ziv–Welch (LZW) is a universal lossless data
+ * compression algorithm. It is an improved implementation
+ * of the LZ78 algorithm.
+ *
+ * @example
+ * var lzwModule = require('path-to-algorithms/src/compression'+
+ * '/LZW/LZW');
+ * var lzw = new lzwModule.LZW();
+ *
+ * var compressed = lzw.compress("ABCABCABCABCABCABC");
+ * console.log(compressed);
+ *
+ * var decompressed = lzw.decompress(compressed);
+ * console.log(decompressed);
+ *
+ * @module compression/LZW/LZW
+ */
+(function (exports) {
+  'use strict';
+
+  exports.LZW = function () {
+    this.dictionarySize = 256;
+  };
+
+  exports.LZW.compress = function (data) {
+    var i;
+    var dictionary = {};
+    var character;
+    var wc;
+    var w = '';
+    var result = [];
+
+    for (i = 0; i < this.dictionarySize; i = i + 1) {
+      dictionary[String.fromCharCode(i)] = i;
+    }
+
+    for (i = 0; i < data.length; i = i + 1) {
+      character = data.charAt(i);
+      wc = w + character;
+      if (dictionary.hasOwnProperty(wc)) {
+        w = wc;
+      } else {
+        result.push(dictionary[w]);
+        dictionary[wc] = this.dictionarySize;
+        this.dictionarySize = this.dictionarySize + 1;
+        w = String(character);
+      }
+    }
+
+    if (w !== '') {
+      result.push(dictionary[w]);
+    }
+
+    return result;
+  };
+
+  exports.LZW.decompress = function (compressedData) {
+    var i;
+    var dictionary = [];
+    var w;
+    var result;
+    var key;
+    var entry = '';
+
+    for (i = 0; i < this.dictionarySize; i = i + 1) {
+      dictionary[i] = String.fromCharCode(i);
+    }
+
+    w = String.fromCharCode(compressedData[0]);
+    result = w;
+
+    for (i = 1; i < compressedData.length; i = i + 1) {
+      key = compressedData[i];
+      if (dictionary[key]) {
+        entry = dictionary[key];
+      } else {
+        if (key === this.dictionarySize) {
+          entry = w + w.charAt(0);
+        } else {
+          return null;
+        }
+      }
+
+      result += entry;
+      dictionary[this.dictionarySize] = w + entry.charAt(0);
+      this.dictionarySize = this.dictionarySize + 1;
+      w = entry;
+    }
+
+    return result;
+  };
+})(typeof window === 'undefined' ? module.exports : window);

From df075adb7dfb9e0e60d9b1992820d65dead22a5e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Filipe=20Falc=C3=A3o?= <filipefalcaosantos@gmail.com>
Date: Fri, 15 May 2015 22:39:11 -0300
Subject: [PATCH 156/337] Fibonacci algorithm
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

An algorithm to find the nth number in fibonacci’s sequence
---
 src/others/fibonacci.js | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 src/others/fibonacci.js

diff --git a/src/others/fibonacci.js b/src/others/fibonacci.js
new file mode 100644
index 00000000..6ce98d06
--- /dev/null
+++ b/src/others/fibonacci.js
@@ -0,0 +1,37 @@
+/**
+ * Nth number of fibonacci's sequence
+ *
+ * Returns the nth number of fibonacci's sequence.
+ *
+ * @public
+ *
+ * @example
+ * var fibonacci = require('path-to-algorithms/src/others/fibonacci').fibonacci;
+ * var nth = fibonacci(20);
+ *
+ * console.log(nth); // 6765
+ *
+ * @param {Number} n The nth position in fibonacci's sequence
+ *
+ * @module others/fibonacci
+*/
+(function (exports) {
+  'use strict';
+
+  function fibonacci (n) {
+    var n1 = 0;
+    var n2 = 1;
+    var aux;
+
+    while (n > 0) {
+      aux = n1;
+      n1 = n2;
+      n2 += aux;
+      n = n - 1;
+    }
+
+    return n1;
+  }
+
+  exports.fibonacci = fibonacci;
+})(typeof window === 'undefined' ? module.exports : window);

From 2664ca56349a4cd1fa8ce9807cc4d460f6f017a5 Mon Sep 17 00:00:00 2001
From: Jake Prather <JakeHP@Zoho.com>
Date: Sat, 16 May 2015 10:25:56 -0500
Subject: [PATCH 157/337] fibonacci spec and throw on too large of input.

---
 src/others/fibonacci.js       |  3 +++
 test/others/fibonacci.spec.js | 28 ++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 test/others/fibonacci.spec.js

diff --git a/src/others/fibonacci.js b/src/others/fibonacci.js
index 6ce98d06..1b56562e 100644
--- a/src/others/fibonacci.js
+++ b/src/others/fibonacci.js
@@ -19,6 +19,9 @@
   'use strict';
 
   function fibonacci (n) {
+    if (n > 97) {
+      throw 'Input too large, results in inaccurate fibonacci value.';
+    }
     var n1 = 0;
     var n2 = 1;
     var aux;
diff --git a/test/others/fibonacci.spec.js b/test/others/fibonacci.spec.js
new file mode 100644
index 00000000..02cbddd8
--- /dev/null
+++ b/test/others/fibonacci.spec.js
@@ -0,0 +1,28 @@
+'use strict';
+
+var mod = require('../../src/others/fibonacci.js');
+var fibonacci = mod.fibonacci;
+
+describe('fibonacci algorithm', function () {
+  it('should return value 1 with input 1.', function () {
+    expect(fibonacci(1)).toBe(1);
+  });
+  it('should return value 1 with input 2.', function () {
+    expect(fibonacci(2)).toBe(1);
+  });
+  it('should return value 2 with input 3.', function () {
+    expect(fibonacci(3)).toBe(2);
+  });
+  it('should return value 3 with input 4.', function () {
+    expect(fibonacci(4)).toBe(3);
+  });
+  it('should return value 5 with input 5.', function () {
+    expect(fibonacci(5)).toBe(5);
+  });
+  it('should be 83621143489848422977 with input 97.', function () {
+    expect(fibonacci(97)).toBe(83621143489848422977);
+  });
+  it('should throw when input is too large.', function () {
+    expect(function () {fibonacci(98)}).toThrow('Input too large, results in inaccurate fibonacci value.');
+  });
+});

From 3baa3b689e0cc8362f0780eb93a8a3063f4b47d9 Mon Sep 17 00:00:00 2001
From: Jake Prather <JakeHP@Zoho.com>
Date: Sun, 17 May 2015 07:58:54 -0500
Subject: [PATCH 158/337] use https instead of ssh

---
 readme.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/readme.md b/readme.md
index 0b95fa29..ff653a9c 100644
--- a/readme.md
+++ b/readme.md
@@ -23,7 +23,7 @@ npm install
 - Go to the parent directory of the `javascript-algorithms` folder and call:
 
 ```bash
-git clone git@github.com:mgechev/javascript-algorithms.git javascript-algorithms-docs
+git clone https://github.com/mgechev/javascript-algorithms.git javascript-algorithms-docs
 ```
 
 - Go to the `javascript-algorithms-docs` folder and change current branch to `gh-pages`:
@@ -81,4 +81,4 @@ If the build is not successful fix your code in order the tests and jshint valid
 
 ## License
 
-The code in this repository is distributed under the terms of the MIT license.
\ No newline at end of file
+The code in this repository is distributed under the terms of the MIT license.

From f34b55a25b2f2827875abbef348873cedfe67c1a Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Mon, 18 May 2015 11:12:04 +0300
Subject: [PATCH 159/337] Update contributors list

---
 readme.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/readme.md b/readme.md
index 0b95fa29..759569cb 100644
--- a/readme.md
+++ b/readme.md
@@ -71,9 +71,9 @@ If the build is not successful fix your code in order the tests and jshint valid
 
 ## Contributors
 
-[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="secrettriangle" src="https://avatars.githubusercontent.com/u/1765130?v=3&s=117" width="117">](https://github.com/secrettriangle) |[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |
+[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="secrettriangle" src="https://avatars.githubusercontent.com/u/1765130?v=3&s=117" width="117">](https://github.com/secrettriangle) |[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="FilipeFalcaoBatista" src="https://avatars.githubusercontent.com/u/9125631?v=3&s=117" width="117">](https://github.com/FilipeFalcaoBatista) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[pvoznenko](https://github.com/pvoznenko) |[secrettriangle](https://github.com/secrettriangle) |[Microfed](https://github.com/Microfed) |
+[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[secrettriangle](https://github.com/secrettriangle) |[Microfed](https://github.com/Microfed) |[FilipeFalcaoBatista](https://github.com/FilipeFalcaoBatista) |
 
 [<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |
 :---: |:---: |

From 19105e2eaafa65b7bbd2200448a22cdaa1d0a8bc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Filipe=20Falc=C3=A3o?= <filipefalcaosantos@gmail.com>
Date: Tue, 19 May 2015 14:52:20 -0300
Subject: [PATCH 160/337] Hash Table data structure

A hash table is a data structure used to implement an associative
array, that can map keys to values. A hash table uses a hash function
to compute an index into an array of buckets or slots, from which the
correct value can be found. The idea is to access a value in O(1).
---
 src/data-structures/hash-table.js | 65 +++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 src/data-structures/hash-table.js

diff --git a/src/data-structures/hash-table.js b/src/data-structures/hash-table.js
new file mode 100644
index 00000000..18a327f4
--- /dev/null
+++ b/src/data-structures/hash-table.js
@@ -0,0 +1,65 @@
+/**
+ * Hash Table
+ *
+ * An associative array, that can map keys
+ * (strings and numbers) to values in O(1).
+ *
+ * @example
+ * var hash = require('path-to-algorithms/src/data-structures'+
+ * '/hash-table');
+ * var HashTable = new hash.HashTable();
+ *
+ * HashTable.put(10, 'value');
+ * HashTable.put('key', 10);
+ *
+ * console.log(HashTable.get(10)); // 'value'
+ * console.log(HashTable.get('key')); // 10
+ *
+ * HashTable.remove(10);
+ * HashTable.remove('key');
+ *
+ * console.log(HashTable.get(10)); // 'undefined'
+ * console.log(HashTable.get('key')); // 'undefined'
+ *
+ * @module data-structures/hash-table
+*/
+(function (exports) {
+  'use strict';
+
+  exports.HashTable = function () {
+    this.elements = [];
+  };
+
+  exports.HashTable.prototype.hashCode = function (str) {
+    var i;
+    var hashCode = 0;
+    var character;
+
+    if (str.length === 0) {
+      return hashCode;
+    }
+
+    for (i = 0; i < str.length; i += 1) {
+      character = str.charCodeAt(i);
+      hashCode = ((hashCode << 5) - hashCode) + character;
+      hashCode = hashCode & hashCode;
+    }
+
+    return hashCode;
+  };
+
+  exports.HashTable.prototype.put = function (key, value) {
+    var hashCode = this.hashCode(key);
+    this.elements[hashCode] = value;
+  };
+
+  exports.HashTable.prototype.get = function (key) {
+    var hashCode = this.hashCode(key);
+    return this.elements[hashCode];
+  };
+
+  exports.HashTable.prototype.remove = function (key) {
+    var hashCode = this.hashCode(key);
+    this.elements.splice(hashCode, 1);
+  };
+})(typeof window === 'undefined' ? module.exports : window);

From 3ec53d63937d9c28c8c3df79002bded20c87dcd8 Mon Sep 17 00:00:00 2001
From: Jake Prather <JakeHP@Zoho.com>
Date: Tue, 19 May 2015 21:53:49 -0500
Subject: [PATCH 161/337] Ignore <<, & jshint warnings

---
 src/data-structures/hash-table.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/data-structures/hash-table.js b/src/data-structures/hash-table.js
index 18a327f4..a7210149 100644
--- a/src/data-structures/hash-table.js
+++ b/src/data-structures/hash-table.js
@@ -41,8 +41,10 @@
 
     for (i = 0; i < str.length; i += 1) {
       character = str.charCodeAt(i);
+      /*jshint -W016 */
       hashCode = ((hashCode << 5) - hashCode) + character;
       hashCode = hashCode & hashCode;
+      /*jshint -W016 */
     }
 
     return hashCode;

From 2217e286fc358ab0be87cd72369396777717f957 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Wed, 20 May 2015 10:22:00 +0300
Subject: [PATCH 162/337] Fix #64

---
 src/data-structures/hash-table.js       |  2 +-
 test/data-structures/hash-table.spec.js | 28 +++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 test/data-structures/hash-table.spec.js

diff --git a/src/data-structures/hash-table.js b/src/data-structures/hash-table.js
index a7210149..1afead26 100644
--- a/src/data-structures/hash-table.js
+++ b/src/data-structures/hash-table.js
@@ -26,7 +26,7 @@
 (function (exports) {
   'use strict';
 
-  exports.HashTable = function () {
+  exports.HashTable = function HashTable() {
     this.elements = [];
   };
 
diff --git a/test/data-structures/hash-table.spec.js b/test/data-structures/hash-table.spec.js
new file mode 100644
index 00000000..29fa3336
--- /dev/null
+++ b/test/data-structures/hash-table.spec.js
@@ -0,0 +1,28 @@
+var HashTable = require('../../src/data-structures/hash-table').HashTable;
+
+describe('HashTable', function () {
+  'use strict';
+  it('should be defined as constructor function', function () {
+    expect(typeof HashTable).toBe('function');
+    var hash = new HashTable();
+    expect(hash instanceof HashTable).toBeTruthy();
+    expect(hash.constructor.name).toBe('HashTable');
+  });
+
+  describe('methods', function () {
+    it('should define a put and get methods', function () {
+      var hash = new HashTable();
+      expect(typeof hash.put).toBe('function');
+      expect(typeof hash.get).toBe('function');
+      hash.put('key', 'value');
+      expect(hash.get('key')).toBe('value');
+      hash.put('key', 'foo');
+      expect(hash.get('key')).toBe('foo');
+      hash.put('bar', 'baz');
+      expect(hash.get('bar')).toBe('baz');
+    });
+
+    it('should define a remove method', function () {
+    });
+  });
+});

From cac4e536e661903616270854a8effbae2f838e07 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Wed, 20 May 2015 17:49:32 +0300
Subject: [PATCH 163/337] Add contributor manually

---
 readme.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/readme.md b/readme.md
index 675aad9d..ce04c448 100644
--- a/readme.md
+++ b/readme.md
@@ -75,9 +75,9 @@ If the build is not successful fix your code in order the tests and jshint valid
 :---: |:---: |:---: |:---: |:---: |:---: |
 [mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[secrettriangle](https://github.com/secrettriangle) |[Microfed](https://github.com/Microfed) |[FilipeFalcaoBatista](https://github.com/FilipeFalcaoBatista) |
 
-[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |
+[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) | [<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |
 :---: |:---: |
-[contra](https://github.com/contra) |[fanixk](https://github.com/fanixk) |
+[contra](https://github.com/contra) |[fanixk](https://github.com/fanixk) | [pvoznenko](https://github.com/pvoznenko)|
 
 ## License
 

From a7498dfba2e130e1f1903b3d71b6412595b2c119 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Wed, 20 May 2015 17:50:29 +0300
Subject: [PATCH 164/337] Fix the readme contrib list table

---
 readme.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/readme.md b/readme.md
index ce04c448..37cab38a 100644
--- a/readme.md
+++ b/readme.md
@@ -75,8 +75,8 @@ If the build is not successful fix your code in order the tests and jshint valid
 :---: |:---: |:---: |:---: |:---: |:---: |
 [mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[secrettriangle](https://github.com/secrettriangle) |[Microfed](https://github.com/Microfed) |[FilipeFalcaoBatista](https://github.com/FilipeFalcaoBatista) |
 
-[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) | [<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |
-:---: |:---: |
+[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |
+:---: |:---: |:---: |
 [contra](https://github.com/contra) |[fanixk](https://github.com/fanixk) | [pvoznenko](https://github.com/pvoznenko)|
 
 ## License

From 99d3f4c02cd02d50863d71303f48f517a66b1101 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Thu, 21 May 2015 00:30:17 +0300
Subject: [PATCH 165/337] Update readme

---
 readme.md | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/readme.md b/readme.md
index 37cab38a..8c7413cd 100644
--- a/readme.md
+++ b/readme.md
@@ -71,13 +71,13 @@ If the build is not successful fix your code in order the tests and jshint valid
 
 ## Contributors
 
-[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="secrettriangle" src="https://avatars.githubusercontent.com/u/1765130?v=3&s=117" width="117">](https://github.com/secrettriangle) |[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="FilipeFalcaoBatista" src="https://avatars.githubusercontent.com/u/9125631?v=3&s=117" width="117">](https://github.com/FilipeFalcaoBatista) |
+[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="FilipeFalcaoBatista" src="https://avatars.githubusercontent.com/u/9125631?v=3&s=117" width="117">](https://github.com/FilipeFalcaoBatista) |[<img alt="secrettriangle" src="https://avatars.githubusercontent.com/u/1765130?v=3&s=117" width="117">](https://github.com/secrettriangle) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[secrettriangle](https://github.com/secrettriangle) |[Microfed](https://github.com/Microfed) |[FilipeFalcaoBatista](https://github.com/FilipeFalcaoBatista) |
+[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[pvoznenko](https://github.com/pvoznenko) |[FilipeFalcaoBatista](https://github.com/FilipeFalcaoBatista) |[secrettriangle](https://github.com/secrettriangle) |
 
-[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |
+[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |
 :---: |:---: |:---: |
-[contra](https://github.com/contra) |[fanixk](https://github.com/fanixk) | [pvoznenko](https://github.com/pvoznenko)|
+[Microfed](https://github.com/Microfed) |[contra](https://github.com/contra) |[fanixk](https://github.com/fanixk) |
 
 ## License
 

From 2eca98c9c216805bec717d62bfb37979bd05cbaa Mon Sep 17 00:00:00 2001
From: CJJ <ysharp.design@gmail.com>
Date: Fri, 22 May 2015 10:22:18 -0700
Subject: [PATCH 166/337] Trying to fix issues raised at build #100

---
 src/primes/prime-factor-tree.js | 30 ++++++++++++++++++++----------
 1 file changed, 20 insertions(+), 10 deletions(-)

diff --git a/src/primes/prime-factor-tree.js b/src/primes/prime-factor-tree.js
index b5f1a9de..b803ff02 100644
--- a/src/primes/prime-factor-tree.js
+++ b/src/primes/prime-factor-tree.js
@@ -18,19 +18,29 @@
    * console.log(primeFactorTree(600851475143)); // [71, 839, 1471, 6857]
    */
   exports.primeFactorTree = function (number) {
-    var div = 2;
     var array = [];
-
-    while (number > 1) {
-      if (number % div === 0) {
-        number /= div;
-
-        array.push(div);
-      } else {
-        div += 1;
+    var s = 6;
+    while (number > 1 && number % 2 === 0) {
+      number /= 2;
+      array.push(2);
+    }
+    while (number > 2 && number % 3 === 0) {
+      number /= 3;
+      array.push(3);
+    }
+    while (number > 4) {
+      var p = s - 1;
+      var q = s + 1;
+      while (number > 4 && number % p === 0) {
+        number /= p;
+        array.push(p);
+      }
+      while (number > 4 && number % q === 0) {
+        number /= q;
+        array.push(q);
       }
+      s += 6;
     }
-
     return array;
   };
 

From 686c8a9d32850604cb5f0a734680d1be55778773 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Tue, 2 Jun 2015 18:19:08 +0300
Subject: [PATCH 167/337] Fix #70

---
 test/searching/binarysearch.spec.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/test/searching/binarysearch.spec.js b/test/searching/binarysearch.spec.js
index ef12ea45..99eeb059 100644
--- a/test/searching/binarysearch.spec.js
+++ b/test/searching/binarysearch.spec.js
@@ -9,8 +9,9 @@ describe('Binary search', function () {
     expect(binarySearch([1, 2, 3, 4, 6, 8], 1)).toBe(0);
   });
 
-  it('should find the eleent in position arr.length', function () {
-    expect(binarySearch([1, 2, 3, 4, 6, 8], 1)).toBe(0);
+  it('should find the element in position arr.length - 1', function () {
+    var arr = [1, 2, 3, 4, 6, 8];
+    expect(binarySearch(arr, 8)).toBe(arr.length - 1);
   });
 
   it('should work with arrays with 2 elements', function () {
@@ -31,6 +32,7 @@ describe('Binary search', function () {
   });
 
   it('should work with a key function', function () {
-    expect(binarySearch([{ x: 1 }, { x: 2 }, { x: 3 }], { x: 2 }, function (o) { return o.x; })).toBe(1);
+    expect(binarySearch([{ x: 1 }, { x: 2 }, { x: 3 }],
+        { x: 2 }, function (o) { return o.x; })).toBe(1);
   });
 });

From 788f0bc459abc55c46b02d5930ed16c93f323099 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Thu, 4 Jun 2015 11:05:28 +0300
Subject: [PATCH 168/337] Fix #71

---
 src/data-structures/binary-search-tree.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/data-structures/binary-search-tree.js b/src/data-structures/binary-search-tree.js
index 5d332218..b6605590 100644
--- a/src/data-structures/binary-search-tree.js
+++ b/src/data-structures/binary-search-tree.js
@@ -128,11 +128,11 @@
     if (!current) {
       return;
     }
+    this._postorder(current._left, callback);
+    this._postorder(current._right, callback);
     if (typeof callback === 'function') {
       callback(current);
     }
-    this._postorder(current._left, callback);
-    this._postorder(current._right, callback);
   };
 
   /**

From 6ff46479bf4ffa65e0680d7d2e60e00b70acd5b1 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sun, 7 Jun 2015 17:34:49 +0300
Subject: [PATCH 169/337] Fix #72

---
 src/data-structures/hash-table.js | 67 -------------------------------
 1 file changed, 67 deletions(-)
 delete mode 100644 src/data-structures/hash-table.js

diff --git a/src/data-structures/hash-table.js b/src/data-structures/hash-table.js
deleted file mode 100644
index 1afead26..00000000
--- a/src/data-structures/hash-table.js
+++ /dev/null
@@ -1,67 +0,0 @@
-/**
- * Hash Table
- *
- * An associative array, that can map keys
- * (strings and numbers) to values in O(1).
- *
- * @example
- * var hash = require('path-to-algorithms/src/data-structures'+
- * '/hash-table');
- * var HashTable = new hash.HashTable();
- *
- * HashTable.put(10, 'value');
- * HashTable.put('key', 10);
- *
- * console.log(HashTable.get(10)); // 'value'
- * console.log(HashTable.get('key')); // 10
- *
- * HashTable.remove(10);
- * HashTable.remove('key');
- *
- * console.log(HashTable.get(10)); // 'undefined'
- * console.log(HashTable.get('key')); // 'undefined'
- *
- * @module data-structures/hash-table
-*/
-(function (exports) {
-  'use strict';
-
-  exports.HashTable = function HashTable() {
-    this.elements = [];
-  };
-
-  exports.HashTable.prototype.hashCode = function (str) {
-    var i;
-    var hashCode = 0;
-    var character;
-
-    if (str.length === 0) {
-      return hashCode;
-    }
-
-    for (i = 0; i < str.length; i += 1) {
-      character = str.charCodeAt(i);
-      /*jshint -W016 */
-      hashCode = ((hashCode << 5) - hashCode) + character;
-      hashCode = hashCode & hashCode;
-      /*jshint -W016 */
-    }
-
-    return hashCode;
-  };
-
-  exports.HashTable.prototype.put = function (key, value) {
-    var hashCode = this.hashCode(key);
-    this.elements[hashCode] = value;
-  };
-
-  exports.HashTable.prototype.get = function (key) {
-    var hashCode = this.hashCode(key);
-    return this.elements[hashCode];
-  };
-
-  exports.HashTable.prototype.remove = function (key) {
-    var hashCode = this.hashCode(key);
-    this.elements.splice(hashCode, 1);
-  };
-})(typeof window === 'undefined' ? module.exports : window);

From fa8b1e1fa0a7c0f5146dbff442ef7145b9cad471 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sun, 7 Jun 2015 18:16:35 +0300
Subject: [PATCH 170/337] Remove hash table spec

---
 test/data-structures/hash-table.spec.js | 28 -------------------------
 1 file changed, 28 deletions(-)
 delete mode 100644 test/data-structures/hash-table.spec.js

diff --git a/test/data-structures/hash-table.spec.js b/test/data-structures/hash-table.spec.js
deleted file mode 100644
index 29fa3336..00000000
--- a/test/data-structures/hash-table.spec.js
+++ /dev/null
@@ -1,28 +0,0 @@
-var HashTable = require('../../src/data-structures/hash-table').HashTable;
-
-describe('HashTable', function () {
-  'use strict';
-  it('should be defined as constructor function', function () {
-    expect(typeof HashTable).toBe('function');
-    var hash = new HashTable();
-    expect(hash instanceof HashTable).toBeTruthy();
-    expect(hash.constructor.name).toBe('HashTable');
-  });
-
-  describe('methods', function () {
-    it('should define a put and get methods', function () {
-      var hash = new HashTable();
-      expect(typeof hash.put).toBe('function');
-      expect(typeof hash.get).toBe('function');
-      hash.put('key', 'value');
-      expect(hash.get('key')).toBe('value');
-      hash.put('key', 'foo');
-      expect(hash.get('key')).toBe('foo');
-      hash.put('bar', 'baz');
-      expect(hash.get('bar')).toBe('baz');
-    });
-
-    it('should define a remove method', function () {
-    });
-  });
-});

From c75e494d24302668db26fddc200dc22f6d7cd549 Mon Sep 17 00:00:00 2001
From: Jake Prather <JakeHP@Zoho.com>
Date: Sun, 12 Jul 2015 22:24:27 -0500
Subject: [PATCH 171/337] Implemented Hash table and spec.

---
 src/data-structures/hash-table.js       | 213 ++++++++++++++++++++++++
 test/data-structures/hash-table.spec.js | 129 ++++++++++++++
 2 files changed, 342 insertions(+)
 create mode 100644 src/data-structures/hash-table.js
 create mode 100644 test/data-structures/hash-table.spec.js

diff --git a/src/data-structures/hash-table.js b/src/data-structures/hash-table.js
new file mode 100644
index 00000000..2b7dff44
--- /dev/null
+++ b/src/data-structures/hash-table.js
@@ -0,0 +1,213 @@
+/**
+ * Hash Table
+ *
+ * An associative array, that can map keys
+ * (strings and numbers) to values in O(1).
+ *
+ * @example
+ * var hash = require('path-to-algorithms/src/data-structures'+
+ * '/hash-table');
+ * var hashTable = new hash.Hashtable();
+ *
+ * hashTable.put(10, 'value');
+ * hashTable.put('key', 10);
+ *
+ * console.log(hashTable.get(10)); // 'value'
+ * console.log(hashTable.get('key')); // 10
+ *
+ * hashTable.remove(10);
+ * hashTable.remove('key');
+ *
+ * console.log(hashTable.get(10)); // undefined
+ * console.log(hashTable.get('key')); // undefined
+ *
+ * @module data-structures/hash-table
+*/
+(function (exports) {
+  'use strict';
+
+  exports.Node = function (key, data) {
+    this.key = key;
+    this.data = data;
+    this.next = undefined;
+    this.prev = undefined;
+  };
+
+  exports.Hashtable = function () {
+    this.buckets = [];
+    // The higher the bucket count; less likely for collisions.
+    this.maxBucketCount = 100;
+  };
+
+  /*
+    Using simple non-crypto x->integer based hash.
+  */
+  exports.Hashtable.prototype.hashCode = function (val) {
+    var i;
+    var hashCode = 0;
+    var character;
+
+    // If value to be hashed is already an integer, return it.
+    if (val.length === 0 || val.length === undefined) {
+      return val;
+    }
+
+    for (i = 0; i < val.length; i += 1) {
+      character = val.charCodeAt(i);
+      /*jshint -W016 */
+      hashCode = ((hashCode << 5) - hashCode) + character;
+      hashCode = hashCode & hashCode;
+      /*jshint -W016 */
+    }
+
+    return hashCode;
+  };
+
+  exports.Hashtable.prototype.put = function (key, data, hashCode) {
+    /*
+      Make collision testing easy with optional hashCode parameter.
+      That should not be used! Only by spec/tests.
+    */
+    if (hashCode === undefined) {
+      // Typical use
+      hashCode = this.hashCode(key);
+    } else if (hashCode.length > 0) {
+      // Testing/Spec - String hash passed, convert to int based hash.
+      hashCode = this.hashCode(hashCode);
+    }
+    // Adjust hash to fit within buckets.
+    hashCode = hashCode % this.maxBucketCount;
+
+    var newNode = new exports.Node(key, data);
+
+    // No element exists at hash/index for given key -> put in table.
+    if (this.buckets[hashCode] === undefined) {
+      this.buckets[hashCode] = newNode;
+      return;
+    }
+
+    // Element exists at hash/index for given key, but, same key -> overwrite.
+    if (this.buckets[hashCode].key === key) {
+      this.buckets[hashCode].data = data;
+      return;
+    }
+
+    /*
+      Item exists at hash/index for key, but different key.
+      Handle collision.
+    */
+    var first = this.buckets[hashCode];
+    while (first.next !== undefined) {
+      first = first.next;
+    }
+    first.next = newNode;
+    newNode.prev = first;
+  };
+
+  exports.Hashtable.prototype.get = function (key, hashCode) {
+    /*
+      Make collision testing easy with optional hashCode parameter.
+      That should not be used! Only by spec/tests.
+    */
+    if (hashCode === undefined) {
+      // Typical use
+      hashCode = this.hashCode(key);
+    } else if (hashCode.length > 0) {
+      // Testing/Spec - String hash passed, convert to int based hash.
+      hashCode = this.hashCode(hashCode);
+    }
+    hashCode = hashCode % this.maxBucketCount;
+
+    if (this.buckets[hashCode] === undefined) {
+      return undefined;
+    } else if (
+      this.buckets[hashCode].next === undefined &&
+      this.buckets[hashCode].key === key
+    ) {
+      return this.buckets[hashCode].data;
+    } else {
+      var first = this.buckets[hashCode];
+      while (
+        first !== undefined &&
+        first.next !== undefined &&
+        first.key !== key
+      ) {
+        first = first.next;
+      }
+
+      if (first.key === key) {
+        return first.data;
+      } else {
+        return undefined;
+      }
+    }
+  };
+
+  exports.Hashtable.prototype.remove = function (key, hashCode) {
+    /*
+      Make collision testing easy with optional hashCode parameter.
+      That should not be used! Only by spec/tests.
+    */
+    if (hashCode === undefined) {
+      // Typical use
+      hashCode = this.hashCode(key);
+    } else if (hashCode.length > 0) {
+      // Testing/Spec - String hash passed, convert to int based hash.
+      hashCode = this.hashCode(hashCode);
+    }
+    hashCode = hashCode % this.maxBucketCount;
+
+    if (this.buckets[hashCode] === undefined) {
+      return undefined;
+    } else if (this.buckets[hashCode].next === undefined) {
+      this.buckets[hashCode] = undefined;
+    } else {
+      var first = this.buckets[hashCode];
+
+      while (
+        first !== undefined &&
+        first.next !== undefined &&
+        first.key !== key
+      ) {
+        first = first.next;
+      }
+
+      var removedValue = first.data;
+
+      // Removing (B)
+      // (B) : only item in bucket
+      if (first.prev === undefined && first.next === undefined) {
+        first = undefined;
+        return removedValue;
+      }
+
+      // (B) - A - C: start link in bucket
+      if (first.prev === undefined && first.next !== undefined) {
+        first.data = first.next.data;
+        first.key = first.next.key;
+        if (first.next.next !== undefined) {
+          first.next = first.next.next;
+        } else {
+          first.next = undefined;
+        }
+        return removedValue;
+      }
+
+      // A - (B) : end link in bucket
+      if (first.prev !== undefined && first.next === undefined) {
+        first.prev.next = undefined;
+        first = undefined;
+        return removedValue;
+      }
+
+      // A - (B) - C : middle link in bucket
+      if (first.prev !== undefined && first.next !== undefined) {
+        first.prev.next = first.next;
+        first.next.prev = first.prev;
+        first = undefined;
+        return removedValue;
+      }
+
+    }
+  };
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/test/data-structures/hash-table.spec.js b/test/data-structures/hash-table.spec.js
new file mode 100644
index 00000000..03959822
--- /dev/null
+++ b/test/data-structures/hash-table.spec.js
@@ -0,0 +1,129 @@
+'use strict';
+
+var mod = require('../../src/data-structures/hash-table.js');
+var Node = mod.Node;
+var Hashtable = mod.Hashtable;
+
+describe('Node', function () {
+  it('should be a constructor function', function () {
+    expect(typeof Node).toBe('function');
+  });
+});
+
+describe('Hash table', function () {
+  it('should be a constructor function.', function () {
+    expect(typeof Hashtable).toBe('function');
+  });
+  it('should start with empty table.', function () {
+    expect(new Hashtable().buckets.length).toBe(0);
+  });
+  it('should put() K(int):V in table properly.', function () {
+    var hashTable = new Hashtable();
+    hashTable.put(10, 'value');
+    expect(hashTable.buckets[10].data).toBe('value');
+  });
+  it('should put() K(str):V in table properly.', function () {
+    var hashTable = new Hashtable();
+    hashTable.put('key', 'value');
+    /*
+      'key' hashCode()'s to 106079. Then the hash is adjusted to fit
+      the number of configurable buckets (array size).
+      106079 % 100 (100 is default maxBucketCount)
+      result is 79.
+      This is done to avoid using get() since it's untested at this point.
+    */
+    expect(hashTable.buckets[79].data).toBe('value');
+  });
+  it('should put() multiple K(int):Vs with hash collisions in properly (1).', function () {
+    var hashTable = new Hashtable();
+    // Same hash so going to same bucket, but different keys. Collision.
+    hashTable.put(10, 'value', 'someHash');
+    hashTable.put(35, 'anotherValue', 'someHash');
+    /*
+      'someHash' hashCode()'s to 1504481314. Then the hash is adjusted to fit
+      the number of configurable buckets (array size).
+      1504481314 % 100 (100 is default maxBucketCount)
+      result is 14.
+      This is done to avoid using get() since it's untested at this point.
+    */
+    expect(hashTable.buckets[14].data).toBe('value');
+    expect(hashTable.buckets[14].next.data).toBe('anotherValue');
+  });
+  it('should put() multiple K:Vs with hash collisions in properly (2).', function () {
+    var hashTable = new Hashtable();
+    hashTable.put(10, 'value', 'someHash');
+    hashTable.put(35, 'anotherValue', 'someHash');
+    hashTable.put(77, 'lastValue', 'someHash');
+    expect(hashTable.buckets[14].data).toBe('value');
+    expect(hashTable.buckets[14].next.data).toBe('anotherValue');
+    expect(hashTable.buckets[14].next.next.data).toBe('lastValue');
+  });
+  it('should get() a k:v from table properly.', function () {
+    var hashTable = new Hashtable();
+    hashTable.put(10, 'value');
+    expect(hashTable.get(10)).toBe('value');
+  });
+  it('should get() a k:v with collisions from table properly (1).', function () {
+    var hashTable = new Hashtable();
+    hashTable.put(10, 'value', 'someHash');
+    hashTable.put(35, 'anotherValue', 'someHash');
+    expect(hashTable.get(35, 'someHash')).toBe('anotherValue');
+  });
+  it('should get() a k:v with collisions from table properly (2).', function () {
+    var hashTable = new Hashtable();
+    hashTable.put(10, 'value', 'someHash');
+    hashTable.put(35, 'anotherValue', 'someHash');
+    hashTable.put(77, 'lastValue', 'someHash');
+    expect(hashTable.get(77, 'someHash')).toBe('lastValue');
+  });
+  it('should get() a k:v with collisions from table properly (3).', function () {
+    var hashTable = new Hashtable();
+    hashTable.put(10, 'value', 'someHash');
+    hashTable.put(35, 'anotherValue', 'someHash');
+    hashTable.put(77, 'lastValue', 'someHash');
+    expect(hashTable.get(35, 'someHash')).toBe('anotherValue');
+  });
+  it('should get() a k:v with collisions from table properly (4).', function () {
+    var hashTable = new Hashtable();
+    hashTable.put(10, 'value', 'someHash');
+    hashTable.put(35, 'anotherValue', 'someHash');
+    hashTable.put(77, 'lastValue', 'someHash');
+    expect(hashTable.get(10, 'someHash')).toBe('value');
+  });
+  it('should remove() a k:v from table properly.', function () {
+    // remove only node/link in bucket : (B)
+    var hashTable = new Hashtable();
+    hashTable.put(10, 'value');
+    hashTable.remove(10);
+    expect(hashTable.get(10)).toBe(undefined);
+  });
+  it('should remove() a k:v with collisions from table properly (2).', function () {
+    // remove start node/link in bucket : (B) - A
+    var hashTable = new Hashtable();
+    hashTable.put(10, 'value', 'someHash');
+    hashTable.put(35, 'anotherValue', 'someHash');
+    expect(hashTable.remove(10, 'someHash')).toBe('value');
+    expect(hashTable.get(35, 'someHash')).toBe('anotherValue');
+    expect(hashTable.get(10, 'someHash')).toBe(undefined);
+  });
+  it('should remove() a k:v with collisions from table properly (3).', function () {
+    // remove start node/link in bucket : (B) - A - C
+    var hashTable = new Hashtable();
+    hashTable.put(10, 'value', 'someHash');
+    hashTable.put(35, 'anotherValue', 'someHash');
+    hashTable.put(66, 'lastValue', 'someHash');
+    expect(hashTable.remove(10, 'someHash')).toBe('value');
+    expect(hashTable.get(35, 'someHash')).toBe('anotherValue');
+    expect(hashTable.get(66, 'someHash')).toBe('lastValue');
+  });
+  it('should remove() a k:v with collisions from table properly (4).', function () {
+    // remove middle node/link in bucket : A - (B) - C
+    var hashTable = new Hashtable();
+    hashTable.put(10, 'value', 'someHash');
+    hashTable.put(35, 'anotherValue', 'someHash');
+    hashTable.put(66, 'lastValue', 'someHash');
+    expect(hashTable.remove(35, 'someHash')).toBe('anotherValue');
+    expect(hashTable.get(10, 'someHash')).toBe('value');
+    expect(hashTable.get(66, 'someHash')).toBe('lastValue');
+  });
+});

From 49d594a3c24a54513872cba2ae7614c496c87a32 Mon Sep 17 00:00:00 2001
From: Jake Prather <JakeHP@Zoho.com>
Date: Mon, 13 Jul 2015 20:59:38 -0500
Subject: [PATCH 172/337] Added docs to Hash table.

---
 src/data-structures/hash-table.js | 48 +++++++++++++++++++++++++++++--
 1 file changed, 45 insertions(+), 3 deletions(-)

diff --git a/src/data-structures/hash-table.js b/src/data-structures/hash-table.js
index 2b7dff44..079845d7 100644
--- a/src/data-structures/hash-table.js
+++ b/src/data-structures/hash-table.js
@@ -26,6 +26,14 @@
 (function (exports) {
   'use strict';
 
+  /**
+   * Constructs a Node to store data and next/prev nodes in Hash table.
+   *
+   * @public
+   * @constructor
+   * @param {Number|String} key Key of the node.
+   * @param {Number|String} data Data to be stored in hash table.
+   */
   exports.Node = function (key, data) {
     this.key = key;
     this.data = data;
@@ -33,15 +41,27 @@
     this.prev = undefined;
   };
 
+  /**
+   * Construct a Hash table..
+   *
+   * @public
+   * @constructor
+   */
   exports.Hashtable = function () {
     this.buckets = [];
     // The higher the bucket count; less likely for collisions.
     this.maxBucketCount = 100;
   };
 
-  /*
-    Using simple non-crypto x->integer based hash.
-  */
+  /**
+   * Simple non-crypto hash used to hash keys, which determines
+   * while bucket the value will be placed in.
+   * A javascript implementation of Java's 32bitint hash.
+   *
+   * @public
+   * @method
+   * @param {Number|String} val Key to be hashed.
+   */
   exports.Hashtable.prototype.hashCode = function (val) {
     var i;
     var hashCode = 0;
@@ -63,6 +83,14 @@
     return hashCode;
   };
 
+  /**
+   * Puts data into the table based on hashed key value.
+   *
+   * @public
+   * @method
+   * @param {Number|String} key Key for data.
+   * @param {Number|String} data Data to be stored in table.
+   */
   exports.Hashtable.prototype.put = function (key, data, hashCode) {
     /*
       Make collision testing easy with optional hashCode parameter.
@@ -104,6 +132,13 @@
     newNode.prev = first;
   };
 
+  /**
+   * Get's data from the table based on key.
+   *
+   * @public
+   * @method
+   * @param {Number|String} key Key for data to be retrieved.
+   */
   exports.Hashtable.prototype.get = function (key, hashCode) {
     /*
       Make collision testing easy with optional hashCode parameter.
@@ -143,6 +178,13 @@
     }
   };
 
+  /**
+   * Removes data from the table based on key.
+   *
+   * @public
+   * @method
+   * @param {Number|String} key Key of the data to be removed.
+   */
   exports.Hashtable.prototype.remove = function (key, hashCode) {
     /*
       Make collision testing easy with optional hashCode parameter.

From a8cfc5c19e6143ad48219d14c5ca3d6d487c6c94 Mon Sep 17 00:00:00 2001
From: Jake Prather <JakeHP@Zoho.com>
Date: Tue, 14 Jul 2015 17:29:46 -0500
Subject: [PATCH 173/337] Clarified key types in spec descriptions.

---
 test/data-structures/hash-table.spec.js | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/test/data-structures/hash-table.spec.js b/test/data-structures/hash-table.spec.js
index 03959822..535ff2d2 100644
--- a/test/data-structures/hash-table.spec.js
+++ b/test/data-structures/hash-table.spec.js
@@ -49,7 +49,7 @@ describe('Hash table', function () {
     expect(hashTable.buckets[14].data).toBe('value');
     expect(hashTable.buckets[14].next.data).toBe('anotherValue');
   });
-  it('should put() multiple K:Vs with hash collisions in properly (2).', function () {
+  it('should put() multiple K(int):Vs with hash collisions in properly (2).', function () {
     var hashTable = new Hashtable();
     hashTable.put(10, 'value', 'someHash');
     hashTable.put(35, 'anotherValue', 'someHash');
@@ -58,46 +58,46 @@ describe('Hash table', function () {
     expect(hashTable.buckets[14].next.data).toBe('anotherValue');
     expect(hashTable.buckets[14].next.next.data).toBe('lastValue');
   });
-  it('should get() a k:v from table properly.', function () {
+  it('should get() a K(int):V from table properly.', function () {
     var hashTable = new Hashtable();
     hashTable.put(10, 'value');
     expect(hashTable.get(10)).toBe('value');
   });
-  it('should get() a k:v with collisions from table properly (1).', function () {
+  it('should get() a K(int):V with collisions from table properly (1).', function () {
     var hashTable = new Hashtable();
     hashTable.put(10, 'value', 'someHash');
     hashTable.put(35, 'anotherValue', 'someHash');
     expect(hashTable.get(35, 'someHash')).toBe('anotherValue');
   });
-  it('should get() a k:v with collisions from table properly (2).', function () {
+  it('should get() a K(int):V with collisions from table properly (2).', function () {
     var hashTable = new Hashtable();
     hashTable.put(10, 'value', 'someHash');
     hashTable.put(35, 'anotherValue', 'someHash');
     hashTable.put(77, 'lastValue', 'someHash');
     expect(hashTable.get(77, 'someHash')).toBe('lastValue');
   });
-  it('should get() a k:v with collisions from table properly (3).', function () {
+  it('should get() a K(int):V with collisions from table properly (3).', function () {
     var hashTable = new Hashtable();
     hashTable.put(10, 'value', 'someHash');
     hashTable.put(35, 'anotherValue', 'someHash');
     hashTable.put(77, 'lastValue', 'someHash');
     expect(hashTable.get(35, 'someHash')).toBe('anotherValue');
   });
-  it('should get() a k:v with collisions from table properly (4).', function () {
+  it('should get() a K(int):V with collisions from table properly (4).', function () {
     var hashTable = new Hashtable();
     hashTable.put(10, 'value', 'someHash');
     hashTable.put(35, 'anotherValue', 'someHash');
     hashTable.put(77, 'lastValue', 'someHash');
     expect(hashTable.get(10, 'someHash')).toBe('value');
   });
-  it('should remove() a k:v from table properly.', function () {
+  it('should remove() a K(int):V from table properly.', function () {
     // remove only node/link in bucket : (B)
     var hashTable = new Hashtable();
     hashTable.put(10, 'value');
     hashTable.remove(10);
     expect(hashTable.get(10)).toBe(undefined);
   });
-  it('should remove() a k:v with collisions from table properly (2).', function () {
+  it('should remove() a K(int):V with collisions from table properly (2).', function () {
     // remove start node/link in bucket : (B) - A
     var hashTable = new Hashtable();
     hashTable.put(10, 'value', 'someHash');
@@ -106,7 +106,7 @@ describe('Hash table', function () {
     expect(hashTable.get(35, 'someHash')).toBe('anotherValue');
     expect(hashTable.get(10, 'someHash')).toBe(undefined);
   });
-  it('should remove() a k:v with collisions from table properly (3).', function () {
+  it('should remove() a K(int):V with collisions from table properly (3).', function () {
     // remove start node/link in bucket : (B) - A - C
     var hashTable = new Hashtable();
     hashTable.put(10, 'value', 'someHash');
@@ -116,7 +116,7 @@ describe('Hash table', function () {
     expect(hashTable.get(35, 'someHash')).toBe('anotherValue');
     expect(hashTable.get(66, 'someHash')).toBe('lastValue');
   });
-  it('should remove() a k:v with collisions from table properly (4).', function () {
+  it('should remove() a K(int):V with collisions from table properly (4).', function () {
     // remove middle node/link in bucket : A - (B) - C
     var hashTable = new Hashtable();
     hashTable.put(10, 'value', 'someHash');

From 90ff3f13f95ce8846f7778e0e0518935f666fa22 Mon Sep 17 00:00:00 2001
From: Jake Prather <JakeHP@Zoho.com>
Date: Tue, 14 Jul 2015 17:38:02 -0500
Subject: [PATCH 174/337] Added string based key specs.

---
 test/data-structures/hash-table.spec.js | 96 ++++++++++++++++++++++++-
 1 file changed, 94 insertions(+), 2 deletions(-)

diff --git a/test/data-structures/hash-table.spec.js b/test/data-structures/hash-table.spec.js
index 535ff2d2..8a598226 100644
--- a/test/data-structures/hash-table.spec.js
+++ b/test/data-structures/hash-table.spec.js
@@ -22,7 +22,7 @@ describe('Hash table', function () {
     hashTable.put(10, 'value');
     expect(hashTable.buckets[10].data).toBe('value');
   });
-  it('should put() K(str):V in table properly.', function () {
+  it('should put() K(string):V in table properly.', function () {
     var hashTable = new Hashtable();
     hashTable.put('key', 'value');
     /*
@@ -58,11 +58,40 @@ describe('Hash table', function () {
     expect(hashTable.buckets[14].next.data).toBe('anotherValue');
     expect(hashTable.buckets[14].next.next.data).toBe('lastValue');
   });
+  it('should put() multiple K(string):Vs with hash collisions in properly (1).', function () {
+    var hashTable = new Hashtable();
+    // Same hash so going to same bucket, but different keys. Collision.
+    hashTable.put('keyA', 'value', 'someHash');
+    hashTable.put('keyB', 'anotherValue', 'someHash');
+    /*
+      'someHash' hashCode()'s to 1504481314. Then the hash is adjusted to fit
+      the number of configurable buckets (array size).
+      1504481314 % 100 (100 is default maxBucketCount)
+      result is 14.
+      This is done to avoid using get() since it's untested at this point.
+    */
+    expect(hashTable.buckets[14].data).toBe('value');
+    expect(hashTable.buckets[14].next.data).toBe('anotherValue');
+  });
+  it('should put() multiple K(string):Vs with hash collisions in properly (2).', function () {
+    var hashTable = new Hashtable();
+    hashTable.put('keyA', 'value', 'someHash');
+    hashTable.put('keyB', 'anotherValue', 'someHash');
+    hashTable.put('keyC', 'lastValue', 'someHash');
+    expect(hashTable.buckets[14].data).toBe('value');
+    expect(hashTable.buckets[14].next.data).toBe('anotherValue');
+    expect(hashTable.buckets[14].next.next.data).toBe('lastValue');
+  });
   it('should get() a K(int):V from table properly.', function () {
     var hashTable = new Hashtable();
     hashTable.put(10, 'value');
     expect(hashTable.get(10)).toBe('value');
   });
+  it('should get() a K(string):V from table properly.', function () {
+    var hashTable = new Hashtable();
+    hashTable.put('keyA', 'value');
+    expect(hashTable.get('keyA')).toBe('value');
+  });
   it('should get() a K(int):V with collisions from table properly (1).', function () {
     var hashTable = new Hashtable();
     hashTable.put(10, 'value', 'someHash');
@@ -90,7 +119,34 @@ describe('Hash table', function () {
     hashTable.put(77, 'lastValue', 'someHash');
     expect(hashTable.get(10, 'someHash')).toBe('value');
   });
-  it('should remove() a K(int):V from table properly.', function () {
+  it('should get() a K(string):V with collisions from table properly (1).', function () {
+    var hashTable = new Hashtable();
+    hashTable.put('keyA', 'value', 'someHash');
+    hashTable.put('keyB', 'anotherValue', 'someHash');
+    expect(hashTable.get('keyB', 'someHash')).toBe('anotherValue');
+  });
+  it('should get() a K(string):V with collisions from table properly (2).', function () {
+    var hashTable = new Hashtable();
+    hashTable.put('keyA', 'value', 'someHash');
+    hashTable.put('keyB', 'anotherValue', 'someHash');
+    hashTable.put('keyC', 'lastValue', 'someHash');
+    expect(hashTable.get('keyC', 'someHash')).toBe('lastValue');
+  });
+  it('should get() a K(string):V with collisions from table properly (3).', function () {
+    var hashTable = new Hashtable();
+    hashTable.put('keyA', 'value', 'someHash');
+    hashTable.put('keyB', 'anotherValue', 'someHash');
+    hashTable.put('keyC', 'lastValue', 'someHash');
+    expect(hashTable.get('keyB', 'someHash')).toBe('anotherValue');
+  });
+  it('should get() a K(string):V with collisions from table properly (4).', function () {
+    var hashTable = new Hashtable();
+    hashTable.put('keyA', 'value', 'someHash');
+    hashTable.put('keyB', 'anotherValue', 'someHash');
+    hashTable.put('keyC', 'lastValue', 'someHash');
+    expect(hashTable.get('keyA', 'someHash')).toBe('value');
+  });
+  it('should remove() a K(int):V from table properly (1).', function () {
     // remove only node/link in bucket : (B)
     var hashTable = new Hashtable();
     hashTable.put(10, 'value');
@@ -126,4 +182,40 @@ describe('Hash table', function () {
     expect(hashTable.get(10, 'someHash')).toBe('value');
     expect(hashTable.get(66, 'someHash')).toBe('lastValue');
   });
+  it('should remove() a K(string):V from table properly (1).', function () {
+    // remove only node/link in bucket : (B)
+    var hashTable = new Hashtable();
+    hashTable.put('keyA', 'value');
+    hashTable.remove('keyA');
+    expect(hashTable.get('keyA')).toBe(undefined);
+  });
+  it('should remove() a K(string):V with collisions from table properly (2).', function () {
+    // remove start node/link in bucket : (B) - A
+    var hashTable = new Hashtable();
+    hashTable.put('keyA', 'value', 'someHash');
+    hashTable.put('keyB', 'anotherValue', 'someHash');
+    expect(hashTable.remove('keyA', 'someHash')).toBe('value');
+    expect(hashTable.get('keyB', 'someHash')).toBe('anotherValue');
+    expect(hashTable.get('keyA', 'someHash')).toBe(undefined);
+  });
+  it('should remove() a K(string):V with collisions from table properly (3).', function () {
+    // remove start node/link in bucket : (B) - A - C
+    var hashTable = new Hashtable();
+    hashTable.put('keyA', 'value', 'someHash');
+    hashTable.put('keyB', 'anotherValue', 'someHash');
+    hashTable.put('keyC', 'lastValue', 'someHash');
+    expect(hashTable.remove('keyA', 'someHash')).toBe('value');
+    expect(hashTable.get('keyB', 'someHash')).toBe('anotherValue');
+    expect(hashTable.get('keyC', 'someHash')).toBe('lastValue');
+  });
+  it('should remove() a K(string):V with collisions from table properly (4).', function () {
+    // remove middle node/link in bucket : A - (B) - C
+    var hashTable = new Hashtable();
+    hashTable.put('keyA', 'value', 'someHash');
+    hashTable.put('keyB', 'anotherValue', 'someHash');
+    hashTable.put('keyC', 'lastValue', 'someHash');
+    expect(hashTable.remove('keyB', 'someHash')).toBe('anotherValue');
+    expect(hashTable.get('keyA', 'someHash')).toBe('value');
+    expect(hashTable.get('keyC', 'someHash')).toBe('lastValue');
+  });
 });

From 43be733d902c9187136b7ab54c02c0580f3c9f58 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Mon, 20 Jul 2015 11:20:39 +0300
Subject: [PATCH 175/337] Fix #77

---
 gulpfile.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gulpfile.js b/gulpfile.js
index 57841253..75f37af9 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -5,8 +5,11 @@ var jshint = require('gulp-jshint');
 var jasmine = require('gulp-jasmine');
 var stylish = require('jshint-stylish');
 var jscs = require('gulp-jscs');
+var isWin = /^win/.test(process.platform);
 
 gulp.task('jsdoc', shell.task([
+  (isWin) ?
+  '"node_modules/.bin/jsdoc.cmd" -c ./doc-config.json' :
   './node_modules/.bin/jsdoc -c ./doc-config.json'
 ]));
 

From 30254674de23e5f6b9cc3638f49065a68e4a9fac Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Thu, 6 Aug 2015 17:46:10 +0300
Subject: [PATCH 176/337] Update readme

---
 readme.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/readme.md b/readme.md
index 8c7413cd..35bdaa4c 100644
--- a/readme.md
+++ b/readme.md
@@ -1,7 +1,7 @@
-![](https://travis-ci.org/mgechev/javascript-algorithms.svg?branch=master)
-
 ## About
 
+![](https://travis-ci.org/mgechev/javascript-algorithms.svg?branch=master)
+
 This repository contains JavaScript implementations of different famous Computer Science algorithms.
 
 API reference with usage examples available <a href="https://mgechev.github.io/javascript-algorithms/" target="_blank">here</a>.

From 51228e073559a5fcd2fdacf2c8ed0d6d67172451 Mon Sep 17 00:00:00 2001
From: Robert Eisele <robert@xarg.org>
Date: Fri, 14 Aug 2015 14:08:43 +0200
Subject: [PATCH 177/337] Improved prime factor check

---
 src/primes/is-prime.js | 97 +++++++++++++++++-------------------------
 1 file changed, 40 insertions(+), 57 deletions(-)

diff --git a/src/primes/is-prime.js b/src/primes/is-prime.js
index 38ec9afe..6f80c7ab 100644
--- a/src/primes/is-prime.js
+++ b/src/primes/is-prime.js
@@ -1,61 +1,44 @@
 (function (exports) {
-  'use strict';
-
-  /**
-   * Advanced (optimised) method for checking if provided number is prime.
-   * For example for number 104743 it should return true, for 104744 - false.
-   *
-   * @module primes/is-prime
-   * @param {Number} number - Number that we check on prime.
-   * @returns {Boolean} Will return true if provided number is prime.
-   *
-   * @example
-   * var isPrime = require('path-to-algorithms/src/is-prime').isPrime;
-   *
-   * console.log(isPrime(7)); // true
-   * console.log(isPrime(18)); // false
-   */
-  exports.isPrime = function (number) {
-    if (number === 1) {
-      return false;
-
-    } else if (number < 4) {
-      /**
-       * 2 and 3 are prime
-       */
-      return true;
-
-    } else if (number % 2 === 0) {
-      return false;
-
-    } else if (number < 9) {
-      /**
-       * We have already excluded 4,6 and 8
-       */
-      return true;
-
-    } else if (number % 3 === 0) {
-      return false;
-
-    } else {
-      /**
-       * 'number' rounded to the greatest integer 'rounded' so that:
-       * rounded * rounded <= number
-       */
-      var rounded = Math.floor(Math.sqrt(number));
-      var factor = 5;
-      while (factor <= rounded) {
-        if (number % factor === 0) {
-          return false;
+    'use strict';
+
+    /**
+     * Advanced (optimised) method for checking if provided number is prime.
+     * For example for number 104743 it should return true, for 104744 - false.
+     *
+     * @module primes/is-prime
+     * @param {Number} number - Number that we check on prime.
+     * @returns {Boolean} Will return true if provided number is prime.
+     *
+     * @example
+     * var isPrime = require('path-to-algorithms/src/is-prime').isPrime;
+     *
+     * console.log(isPrime(7)); // true
+     * console.log(isPrime(18)); // false
+     */
+    exports.isPrime = function (number) {
+
+        if (number < 2)
+            return false;
+
+        if (number % 2 === 0)
+            return (number === 2);
+        if (number % 3 === 0)
+            return (number === 3);
+
+        var horizon = Math.floor(Math.sqrt(number));
+        var factor = 5;
+
+        while (factor <= horizon) {
+
+            if (number % factor === 0)
+                return false;
+
+            if (number % (factor + 2) === 0)
+                return false;
+
+            factor += 6;
         }
-        if (number % (factor + 2) === 0) {
-          return false;
-        }
-        factor += 6;
-      }
-    }
-
-    return true;
-  };
+        return true;
+    };
 
 }(typeof exports === 'undefined' ? window : exports));

From 88b545497842ad6bcfbf05c44d55aa964796ca51 Mon Sep 17 00:00:00 2001
From: Robert Eisele <robert@xarg.org>
Date: Fri, 14 Aug 2015 14:12:03 +0200
Subject: [PATCH 178/337] Fixed fisheryates algorithm

---
 src/shuffle/fisheryates.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/shuffle/fisheryates.js b/src/shuffle/fisheryates.js
index 75721e04..2951ff0a 100644
--- a/src/shuffle/fisheryates.js
+++ b/src/shuffle/fisheryates.js
@@ -21,8 +21,8 @@
     var size = array.length;
     var rand;
     var temp;
-    for (var i = 1; i < size; i += 1) {
-      rand = Math.round(Math.random() * i);
+    for (var i = 0; i < size; i += 1) {
+      rand = Math.floor(i + Math.random() * (size - i));
       temp = array[rand];
       array[rand] = array[i];
       array[i] = temp;

From 50663769a7481ca082b3310bc9323d230b87edae Mon Sep 17 00:00:00 2001
From: Robert Eisele <robert@xarg.org>
Date: Fri, 14 Aug 2015 17:01:19 +0200
Subject: [PATCH 179/337] Mess with linter

---
 src/primes/is-prime.js | 87 ++++++++++++++++++++++--------------------
 1 file changed, 46 insertions(+), 41 deletions(-)

diff --git a/src/primes/is-prime.js b/src/primes/is-prime.js
index 6f80c7ab..ca954fe0 100644
--- a/src/primes/is-prime.js
+++ b/src/primes/is-prime.js
@@ -1,44 +1,49 @@
 (function (exports) {
-    'use strict';
-
-    /**
-     * Advanced (optimised) method for checking if provided number is prime.
-     * For example for number 104743 it should return true, for 104744 - false.
-     *
-     * @module primes/is-prime
-     * @param {Number} number - Number that we check on prime.
-     * @returns {Boolean} Will return true if provided number is prime.
-     *
-     * @example
-     * var isPrime = require('path-to-algorithms/src/is-prime').isPrime;
-     *
-     * console.log(isPrime(7)); // true
-     * console.log(isPrime(18)); // false
-     */
-    exports.isPrime = function (number) {
-
-        if (number < 2)
-            return false;
-
-        if (number % 2 === 0)
-            return (number === 2);
-        if (number % 3 === 0)
-            return (number === 3);
-
-        var horizon = Math.floor(Math.sqrt(number));
-        var factor = 5;
-
-        while (factor <= horizon) {
-
-            if (number % factor === 0)
-                return false;
-
-            if (number % (factor + 2) === 0)
-                return false;
-
-            factor += 6;
-        }
-        return true;
-    };
+  'use strict';
+
+  /**
+   * Advanced (optimised) method for checking if provided number is prime.
+   * For example for number 104743 it should return true, for 104744 - false.
+   *
+   * @module primes/is-prime
+   * @param {Number} number - Number that we check on prime.
+   * @returns {Boolean} Will return true if provided number is prime.
+   *
+   * @example
+   * var isPrime = require('path-to-algorithms/src/is-prime').isPrime;
+   *
+   * console.log(isPrime(7)); // true
+   * console.log(isPrime(18)); // false
+   */
+  exports.isPrime = function (number) {
+
+    if (number < 2) {
+      return false;
+    }
+
+    if (number % 2 === 0) {
+      return (number === 2);
+    }
+
+    if (number % 3 === 0) {
+      return (number === 3);
+    }
+
+    var horizon = Math.floor(Math.sqrt(number));
+    var factor = 5;
+
+    while (factor <= horizon) {
+
+      if (number % factor === 0) {
+        return false;
+      }
+
+      if (number % (factor + 2) === 0) {
+        return false;
+      }
+      factor += 6;
+    }
+    return true;
+  };
 
 }(typeof exports === 'undefined' ? window : exports));

From e6150b4bb529ae08bb44aafc08be2820c1a6eff1 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 15 Aug 2015 18:19:07 +0300
Subject: [PATCH 180/337] Update contributors list

---
 readme.md | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/readme.md b/readme.md
index 35bdaa4c..08e5e2e8 100644
--- a/readme.md
+++ b/readme.md
@@ -71,14 +71,13 @@ If the build is not successful fix your code in order the tests and jshint valid
 
 ## Contributors
 
-[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="FilipeFalcaoBatista" src="https://avatars.githubusercontent.com/u/9125631?v=3&s=117" width="117">](https://github.com/FilipeFalcaoBatista) |[<img alt="secrettriangle" src="https://avatars.githubusercontent.com/u/1765130?v=3&s=117" width="117">](https://github.com/secrettriangle) |
+[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="FilipeFalcaoBatista" src="https://avatars.githubusercontent.com/u/9125631?v=3&s=117" width="117">](https://github.com/FilipeFalcaoBatista) |[<img alt="infusion" src="https://avatars.githubusercontent.com/u/197742?v=3&s=117" width="117">](https://github.com/infusion) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[pvoznenko](https://github.com/pvoznenko) |[FilipeFalcaoBatista](https://github.com/FilipeFalcaoBatista) |[secrettriangle](https://github.com/secrettriangle) |
-
-[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |
-:---: |:---: |:---: |
-[Microfed](https://github.com/Microfed) |[contra](https://github.com/contra) |[fanixk](https://github.com/fanixk) |
+[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[pvoznenko](https://github.com/pvoznenko) |[FilipeFalcaoBatista](https://github.com/FilipeFalcaoBatista) |[infusion](https://github.com/infusion) |
 
+[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="ysharplanguage" src="https://avatars.githubusercontent.com/u/1055314?v=3&s=117" width="117">](https://github.com/ysharplanguage) |[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |
+:---: |:---: |:---: |:---: |
+[Microfed](https://github.com/Microfed) |[contra](https://github.com/contra) |[ysharplanguage](https://github.com/ysharplanguage) |[fanixk](https://github.com/fanixk) |
 ## License
 
 The code in this repository is distributed under the terms of the MIT license.

From 66eab6e7550c5cf6acd705edfca52befe66c7824 Mon Sep 17 00:00:00 2001
From: Kostas Lekkas <kostas@lekkas.io>
Date: Thu, 20 Aug 2015 21:40:27 +0300
Subject: [PATCH 181/337] mergesort: Use queues to efficiently merge left and
 right sub-arrays.

---
 src/sorting/mergesort.js | 25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/src/sorting/mergesort.js b/src/sorting/mergesort.js
index e4e0557d..ab7c2a0c 100644
--- a/src/sorting/mergesort.js
+++ b/src/sorting/mergesort.js
@@ -4,6 +4,8 @@
    */
   'use strict';
 
+  var ll = require('../data-structures/linked-list.js');
+
   function compare(a, b) {
     return a - b;
   }
@@ -61,8 +63,9 @@
    * }, 0, 4, 7);
    */
   mergeSort.merge = function (array, cmp, start, middle, end) {
-    var left = [];
-    var right = [];
+    var left = new ll.LinkedList();
+    var right = new ll.LinkedList();
+
     var leftSize = middle - start;
     var rightSize = end - middle;
     var maxSize = Math.max(leftSize, rightSize);
@@ -71,24 +74,24 @@
 
     for (i = 0; i < maxSize; i += 1) {
       if (i < leftSize) {
-        left[i] = array[start + i];
+        left.push(array[start + i]);
       }
       if (i < rightSize) {
-        right[i] = array[middle + i];
+        right.push(array[middle + i]);
       }
     }
     i = 0;
     while (i < size) {
-      if (left.length && right.length) {
-        if (cmp(left[0], right[0]) > 0) {
-          array[start + i] = right.shift();
+      if (left.first && right.first) {
+        if (cmp(left.first.data, right.first.data) > 0) {
+          array[start + i] = right.shift().data;
         } else {
-          array[start + i] = left.shift();
+          array[start + i] = left.shift().data;
         }
-      } else if (left.length) {
-        array[start + i] = left.shift();
+      } else if (left.first) {
+        array[start + i] = left.shift().data;
       } else {
-        array[start + i] = right.shift();
+        array[start + i] = right.shift().data;
       }
       i += 1;
     }

From f4b8566d938b4eb3d2288b0f325e2fe35ffa952f Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Tue, 1 Sep 2015 16:50:44 +0300
Subject: [PATCH 182/337] Update contributors list

---
 readme.md | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/readme.md b/readme.md
index 08e5e2e8..a3677c77 100644
--- a/readme.md
+++ b/readme.md
@@ -75,9 +75,10 @@ If the build is not successful fix your code in order the tests and jshint valid
 :---: |:---: |:---: |:---: |:---: |:---: |
 [mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[pvoznenko](https://github.com/pvoznenko) |[FilipeFalcaoBatista](https://github.com/FilipeFalcaoBatista) |[infusion](https://github.com/infusion) |
 
-[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="ysharplanguage" src="https://avatars.githubusercontent.com/u/1055314?v=3&s=117" width="117">](https://github.com/ysharplanguage) |[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |
-:---: |:---: |:---: |:---: |
-[Microfed](https://github.com/Microfed) |[contra](https://github.com/contra) |[ysharplanguage](https://github.com/ysharplanguage) |[fanixk](https://github.com/fanixk) |
+[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="ysharplanguage" src="https://avatars.githubusercontent.com/u/1055314?v=3&s=117" width="117">](https://github.com/ysharplanguage) |[<img alt="lekkas" src="https://avatars.githubusercontent.com/u/5211478?v=3&s=117" width="117">](https://github.com/lekkas) |[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |
+:---: |:---: |:---: |:---: |:---: |
+[Microfed](https://github.com/Microfed) |[contra](https://github.com/contra) |[ysharplanguage](https://github.com/ysharplanguage) |[lekkas](https://github.com/lekkas) |[fanixk](https://github.com/fanixk) |
+
 ## License
 
 The code in this repository is distributed under the terms of the MIT license.

From 0f4d8cb453d8357b87368ed3095ae68ccc4c43f0 Mon Sep 17 00:00:00 2001
From: Kostas Lekkas <kostas@lekkas.io>
Date: Tue, 1 Sep 2015 23:38:50 +0300
Subject: [PATCH 183/337] Add radix sort algorithm

A non comparative, stable integer sorting algorithm.
---
 src/sorting/radixsort.js       | 100 +++++++++++++++++++++++++++++++++
 test/sorting/radixsort.spec.js |  18 ++++++
 2 files changed, 118 insertions(+)
 create mode 100644 src/sorting/radixsort.js
 create mode 100644 test/sorting/radixsort.spec.js

diff --git a/src/sorting/radixsort.js b/src/sorting/radixsort.js
new file mode 100644
index 00000000..94d3bfbd
--- /dev/null
+++ b/src/sorting/radixsort.js
@@ -0,0 +1,100 @@
+(function (exports) {
+  'use strict';
+
+  var radixSort = (function() {
+
+    /**
+     * Returns the digit of a number that is 'lsdOffset'
+     * places from the least significant digit.
+     *
+     * @private
+     * @param {Number} number Number
+     * @param {Number} lsdOffset Offset of the digit to return, counting
+     * from the position of the least significant digit (e.g. lsdOffset = 0
+     * will return the least significant digit itself)
+     * @return {String} digit The specified number digit. Returns 'undefined'
+     * if lsdOffset is bigger or equal to the number of digits of the 'number'
+     * argument.
+     */
+    var getDigit = function(number, lsdOffset) {
+      var numStr = ''+number;
+      var size = numStr.length;
+      var digit;
+
+      if (lsdOffset >= 0 && lsdOffset < size) {
+        digit = numStr[size - 1 - lsdOffset];
+      }
+
+      return digit;
+    };
+
+    /**
+     * Least significant digit (LSD) Radix sort. A non-comparative,
+     * stable integer sorting algorithm.<br><br>
+     * Worst-case time complexity is O(N K) for N keys with K being
+     * the average key length, measured in number of digits.
+     *
+     * @example
+     * var sort = require('path-to-algorithms/src/' +
+     * 'sorting/radixsort').radixSort;
+     * console.log(sort([2, 5, 1, 3, 4])); // [ 1, 2, 3, 4, 5 ]
+     *
+     * @public
+     * @module sorting/radixsort
+     * @param {Array} array Input integer array
+     * @return {Array} Sorted array
+     */
+    return function(array) {
+      var size = array.length;
+      var R = 10;   /* Alphabet size ([0-9] for integers) */
+      var count;
+      var digit;
+      var i, j;
+
+      /* Find maximum key size */
+      var maxKeySize = ('' + array[0]).length;
+      for (i = 1; i < size; i += 1) {
+        var numStr = '' + array[i];
+        if (numStr.length > maxKeySize) {
+          maxKeySize = numStr.length;
+        }
+      }
+
+      for (i = 0; i < maxKeySize; i += 1) {
+        /* Initialize count */
+        count = [];
+        for (j = 0; j < R; j += 1) {
+          count[j] = 0;
+        }
+
+        /* Count frequency of each array element */
+        for (j = 0; j < array.length; j += 1) {
+          digit = getDigit(array[j], i) || 0;
+          count[digit] += 1;
+        }
+
+        /* Compute cumulates */
+        for (j = 1; j < R; j += 1) {
+          count[j] += count[j - 1];
+        }
+
+        /* Move elements to auxilary array */
+        var aux = [];
+        for (j = array.length - 1; j >= 0; j -= 1) {
+          digit = getDigit(array[j], i) || 0;
+          count[digit] -= 1;
+          aux[count[digit]] = array[j];
+        }
+
+        /* Copy elements back from auxilary array */
+        for (j = 0; j < array.length; j += 1) {
+          array[j] = aux[j];
+        }
+      }
+      return array;
+    };
+  })();
+
+  exports.radixSort = radixSort;
+
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/test/sorting/radixsort.spec.js b/test/sorting/radixsort.spec.js
new file mode 100644
index 00000000..4197be94
--- /dev/null
+++ b/test/sorting/radixsort.spec.js
@@ -0,0 +1,18 @@
+var rx =
+      require('../../src/sorting/radixsort.js').radixSort;
+
+describe('radixsort', function () {
+  'use strict';
+
+  it('should sort the empty array', function () {
+    expect(rx([])).toEqual([]);
+  });
+
+  it('should return array with the same count of elements', function () {
+    expect(rx([2, 3, 4]).length).toBe(3);
+  });
+
+  it('should sort the given array in ascending order', function () {
+    expect(rx([42, 3, 10])).toEqual([3, 10, 42]);
+  });
+});

From 4405e249202af3197183e79c297bca12bbbfc415 Mon Sep 17 00:00:00 2001
From: Minko Gechev <mgechev@gmail.com>
Date: Wed, 2 Sep 2015 15:04:08 +0300
Subject: [PATCH 184/337] Revert "Add radix sort algorithm"

---
 src/sorting/radixsort.js       | 100 ---------------------------------
 test/sorting/radixsort.spec.js |  18 ------
 2 files changed, 118 deletions(-)
 delete mode 100644 src/sorting/radixsort.js
 delete mode 100644 test/sorting/radixsort.spec.js

diff --git a/src/sorting/radixsort.js b/src/sorting/radixsort.js
deleted file mode 100644
index 94d3bfbd..00000000
--- a/src/sorting/radixsort.js
+++ /dev/null
@@ -1,100 +0,0 @@
-(function (exports) {
-  'use strict';
-
-  var radixSort = (function() {
-
-    /**
-     * Returns the digit of a number that is 'lsdOffset'
-     * places from the least significant digit.
-     *
-     * @private
-     * @param {Number} number Number
-     * @param {Number} lsdOffset Offset of the digit to return, counting
-     * from the position of the least significant digit (e.g. lsdOffset = 0
-     * will return the least significant digit itself)
-     * @return {String} digit The specified number digit. Returns 'undefined'
-     * if lsdOffset is bigger or equal to the number of digits of the 'number'
-     * argument.
-     */
-    var getDigit = function(number, lsdOffset) {
-      var numStr = ''+number;
-      var size = numStr.length;
-      var digit;
-
-      if (lsdOffset >= 0 && lsdOffset < size) {
-        digit = numStr[size - 1 - lsdOffset];
-      }
-
-      return digit;
-    };
-
-    /**
-     * Least significant digit (LSD) Radix sort. A non-comparative,
-     * stable integer sorting algorithm.<br><br>
-     * Worst-case time complexity is O(N K) for N keys with K being
-     * the average key length, measured in number of digits.
-     *
-     * @example
-     * var sort = require('path-to-algorithms/src/' +
-     * 'sorting/radixsort').radixSort;
-     * console.log(sort([2, 5, 1, 3, 4])); // [ 1, 2, 3, 4, 5 ]
-     *
-     * @public
-     * @module sorting/radixsort
-     * @param {Array} array Input integer array
-     * @return {Array} Sorted array
-     */
-    return function(array) {
-      var size = array.length;
-      var R = 10;   /* Alphabet size ([0-9] for integers) */
-      var count;
-      var digit;
-      var i, j;
-
-      /* Find maximum key size */
-      var maxKeySize = ('' + array[0]).length;
-      for (i = 1; i < size; i += 1) {
-        var numStr = '' + array[i];
-        if (numStr.length > maxKeySize) {
-          maxKeySize = numStr.length;
-        }
-      }
-
-      for (i = 0; i < maxKeySize; i += 1) {
-        /* Initialize count */
-        count = [];
-        for (j = 0; j < R; j += 1) {
-          count[j] = 0;
-        }
-
-        /* Count frequency of each array element */
-        for (j = 0; j < array.length; j += 1) {
-          digit = getDigit(array[j], i) || 0;
-          count[digit] += 1;
-        }
-
-        /* Compute cumulates */
-        for (j = 1; j < R; j += 1) {
-          count[j] += count[j - 1];
-        }
-
-        /* Move elements to auxilary array */
-        var aux = [];
-        for (j = array.length - 1; j >= 0; j -= 1) {
-          digit = getDigit(array[j], i) || 0;
-          count[digit] -= 1;
-          aux[count[digit]] = array[j];
-        }
-
-        /* Copy elements back from auxilary array */
-        for (j = 0; j < array.length; j += 1) {
-          array[j] = aux[j];
-        }
-      }
-      return array;
-    };
-  })();
-
-  exports.radixSort = radixSort;
-
-})(typeof window === 'undefined' ? module.exports : window);
diff --git a/test/sorting/radixsort.spec.js b/test/sorting/radixsort.spec.js
deleted file mode 100644
index 4197be94..00000000
--- a/test/sorting/radixsort.spec.js
+++ /dev/null
@@ -1,18 +0,0 @@
-var rx =
-      require('../../src/sorting/radixsort.js').radixSort;
-
-describe('radixsort', function () {
-  'use strict';
-
-  it('should sort the empty array', function () {
-    expect(rx([])).toEqual([]);
-  });
-
-  it('should return array with the same count of elements', function () {
-    expect(rx([2, 3, 4]).length).toBe(3);
-  });
-
-  it('should sort the given array in ascending order', function () {
-    expect(rx([42, 3, 10])).toEqual([3, 10, 42]);
-  });
-});

From 795a4701a430119e2ccbb1ea7e55f38c7106a634 Mon Sep 17 00:00:00 2001
From: Kostas Lekkas <kostas@lekkas.io>
Date: Tue, 1 Sep 2015 23:38:50 +0300
Subject: [PATCH 185/337] Add radix sort algorithm

A non comparative, stable integer sorting algorithm.

 - [Pull Request v2] Fix reported jscs errors.
---
 src/sorting/radixsort.js       | 100 +++++++++++++++++++++++++++++++++
 test/sorting/radixsort.spec.js |  18 ++++++
 2 files changed, 118 insertions(+)
 create mode 100644 src/sorting/radixsort.js
 create mode 100644 test/sorting/radixsort.spec.js

diff --git a/src/sorting/radixsort.js b/src/sorting/radixsort.js
new file mode 100644
index 00000000..caf58cc6
--- /dev/null
+++ b/src/sorting/radixsort.js
@@ -0,0 +1,100 @@
+(function (exports) {
+  'use strict';
+
+  var radixSort = (function () {
+
+    /**
+     * Returns the digit of a number that is 'lsdOffset'
+     * places from the least significant digit.
+     *
+     * @private
+     * @param {Number} number Number
+     * @param {Number} lsdOffset Offset of the digit to return, counting
+     * from the position of the least significant digit (e.g. lsdOffset = 0
+     * will return the least significant digit itself)
+     * @return {String} digit The specified number digit. Returns 'undefined'
+     * if lsdOffset is bigger or equal to the number of digits of the 'number'
+     * argument.
+     */
+    var getDigit = function (number, lsdOffset) {
+      var size = number.toString().length;
+      var digit;
+
+      if (lsdOffset >= 0 && lsdOffset < size) {
+        digit = number.toString()[size - 1 - lsdOffset];
+      }
+
+      return digit;
+    };
+
+    /**
+     * Least significant digit (LSD) Radix sort. A non-comparative,
+     * stable integer sorting algorithm.<br><br>
+     * Worst-case time complexity is O(N K) for N keys with K being
+     * the average key length, measured in number of digits.
+     *
+     * @example
+     * var sort = require('path-to-algorithms/src/' +
+     * 'sorting/radixsort').radixSort;
+     * console.log(sort([2, 5, 1, 3, 4])); // [ 1, 2, 3, 4, 5 ]
+     *
+     * @public
+     * @module sorting/radixsort
+     * @param {Array} array Input integer array
+     * @return {Array} Sorted array
+     */
+    return function (array) {
+      var size = array.length;
+      var R = 10;   /* Alphabet size ([0-9] for integers) */
+      var count;
+      var digit;
+      var i;
+      var j;
+
+      /* Find maximum key size */
+      var maxKeySize = (array[0] || '').toString().length;
+      for (i = 1; i < size; i += 1) {
+        var numStr = array[i].toString();
+        if (numStr.length > maxKeySize) {
+          maxKeySize = numStr.length;
+        }
+      }
+
+      for (i = 0; i < maxKeySize; i += 1) {
+        /* Initialize count */
+        count = [];
+        for (j = 0; j < R; j += 1) {
+          count[j] = 0;
+        }
+
+        /* Count frequency of each array element */
+        for (j = 0; j < array.length; j += 1) {
+          digit = getDigit(array[j], i) || 0;
+          count[digit] += 1;
+        }
+
+        /* Compute cumulates */
+        for (j = 1; j < R; j += 1) {
+          count[j] += count[j - 1];
+        }
+
+        /* Move elements to auxilary array */
+        var aux = [];
+        for (j = array.length - 1; j >= 0; j -= 1) {
+          digit = getDigit(array[j], i) || 0;
+          count[digit] -= 1;
+          aux[count[digit]] = array[j];
+        }
+
+        /* Copy elements back from auxilary array */
+        for (j = 0; j < array.length; j += 1) {
+          array[j] = aux[j];
+        }
+      }
+      return array;
+    };
+  })();
+
+  exports.radixSort = radixSort;
+
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/test/sorting/radixsort.spec.js b/test/sorting/radixsort.spec.js
new file mode 100644
index 00000000..4197be94
--- /dev/null
+++ b/test/sorting/radixsort.spec.js
@@ -0,0 +1,18 @@
+var rx =
+      require('../../src/sorting/radixsort.js').radixSort;
+
+describe('radixsort', function () {
+  'use strict';
+
+  it('should sort the empty array', function () {
+    expect(rx([])).toEqual([]);
+  });
+
+  it('should return array with the same count of elements', function () {
+    expect(rx([2, 3, 4]).length).toBe(3);
+  });
+
+  it('should sort the given array in ascending order', function () {
+    expect(rx([42, 3, 10])).toEqual([3, 10, 42]);
+  });
+});

From b5351887f9858f39da3fefc81dcede5cbad4a642 Mon Sep 17 00:00:00 2001
From: deniskyashif <denis.kyashif@gmail.com>
Date: Sat, 5 Sep 2015 11:36:52 +0300
Subject: [PATCH 186/337] added tests for levenshtein distance algorithm

---
 test/others/levenshtein-distance.spec.js | 42 ++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 test/others/levenshtein-distance.spec.js

diff --git a/test/others/levenshtein-distance.spec.js b/test/others/levenshtein-distance.spec.js
new file mode 100644
index 00000000..d0bc9ce4
--- /dev/null
+++ b/test/others/levenshtein-distance.spec.js
@@ -0,0 +1,42 @@
+'use strict';
+
+var mod = require('../../src/others/levenshtein-distance.js');
+var levenshteinDistance = mod.levenshteinDistance;
+
+describe('Levenstein\'s minimum edit distance algorithm', function () {
+  it('"" -> "" should return 0.', function () {
+    expect(levenshteinDistance('', '')).toBe(0);
+  });
+
+  it('"T" -> "" should return 1.', function () {
+    expect(levenshteinDistance('T', '')).toBe(1);
+  });
+
+  it('"cake" -> "rake" should return 1.', function () {
+    expect(levenshteinDistance('cake', 'rake')).toBe(1);
+  });
+
+  it('"Sofia" -> "Sof" should return 2.', function () {
+    expect(levenshteinDistance('Sofia', 'Sof')).toBe(2);
+  });
+
+  it('"google" -> "lookat" should return 4.', function () {
+    expect(levenshteinDistance('google', 'lookat')).toBe(4);
+  });
+
+  it('"emacs" -> "vim" should return 5.', function () {
+    expect(levenshteinDistance('emacs', 'vim')).toBe(5);
+  });
+
+  it('"coffee" -> "cocoa" should return 4.', function () {
+    expect(levenshteinDistance('coffee', 'cocoa')).toBe(4);
+  });
+
+  it('"Munich" -> "Muenchen" should return 4.', function () {
+    expect(levenshteinDistance('Munich', 'Muenchen')).toBe(4);
+  });
+
+  it('"rosebud" -> "budrose" should return 6.', function () {
+    expect(levenshteinDistance('rosebud', 'budrose')).toBe(6);
+  });
+});

From a26cf93ed887ee62bfa12365ae9e157d4c11ea5a Mon Sep 17 00:00:00 2001
From: deniskyashif <denis.kyashif@gmail.com>
Date: Sat, 5 Sep 2015 13:16:35 +0300
Subject: [PATCH 187/337] optimized levenstein distance algorithm... - replaced
 the recursive implementation with iterative - used one-dimensional array for
 memoizing single row(the previous one) of the distance matrix at iteration

---
 src/others/levenshtein-distance.js | 38 +++++++++++++++++++-----------
 1 file changed, 24 insertions(+), 14 deletions(-)

diff --git a/src/others/levenshtein-distance.js b/src/others/levenshtein-distance.js
index c9fe2e81..e3f34811 100644
--- a/src/others/levenshtein-distance.js
+++ b/src/others/levenshtein-distance.js
@@ -3,22 +3,31 @@
 
   var levenshteinDistance = (function () {
 
-    function levenshteinDistance(s, ls, t, lt) {
-      if (ls === 0) {
-        return lt;
-      }
-      if (lt === 0) {
-        return ls;
+    function levenshteinDistance (s, ls, t, lt) {
+      var memo = [];
+      var currRowMemo;
+      var i;
+      var k;
+
+      for (k = 0; k <= lt; k += 1) {
+        memo[k] = k;
       }
-      var cost;
-      if (s[ls - 1] === t[lt - 1]) {
-        cost = 0;
-      } else {
-        cost = 1;
+
+      for (i = 1; i <= ls; i += 1) {
+        currRowMemo = [i];
+
+        for (k = 1; k <= lt; k += 1) {
+          currRowMemo[k] = Math.min(
+            currRowMemo[k - 1] + 1,
+            memo[k] + 1,
+            memo[k - 1] + (s[i - 1] !== t[k - 1] ? 1 : 0)
+          );
+        }
+
+        memo = currRowMemo;
       }
-      return Math.min(levenshteinDistance(s, ls - 1, t,     lt) + 1,
-                      levenshteinDistance(s, ls,     t, lt - 1) + 1,
-                      levenshteinDistance(s, ls - 1, t, lt - 1) + cost);
+
+      return memo[lt];
     }
 
     /**
@@ -49,3 +58,4 @@
   exports.levenshteinDistance = levenshteinDistance;
 
 }(typeof exports === 'undefined' ? window : exports));
+

From 9f2c410a53477d02c108de5360a5ace375095676 Mon Sep 17 00:00:00 2001
From: deniskyashif <denis.kyashif@gmail.com>
Date: Sat, 5 Sep 2015 13:36:20 +0300
Subject: [PATCH 188/337] added few more tests for levenshtein distance

---
 test/others/levenshtein-distance.spec.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/test/others/levenshtein-distance.spec.js b/test/others/levenshtein-distance.spec.js
index d0bc9ce4..705a3f90 100644
--- a/test/others/levenshtein-distance.spec.js
+++ b/test/others/levenshtein-distance.spec.js
@@ -4,6 +4,10 @@ var mod = require('../../src/others/levenshtein-distance.js');
 var levenshteinDistance = mod.levenshteinDistance;
 
 describe('Levenstein\'s minimum edit distance algorithm', function () {
+  it('should be defined', function () {
+    expect(levenshteinDistance).toBeDefined();
+  });
+
   it('"" -> "" should return 0.', function () {
     expect(levenshteinDistance('', '')).toBe(0);
   });
@@ -20,6 +24,10 @@ describe('Levenstein\'s minimum edit distance algorithm', function () {
     expect(levenshteinDistance('Sofia', 'Sof')).toBe(2);
   });
 
+  it('"kitten" -> "sitting" should return 3', function () {
+    expect(levenshteinDistance('kitten', 'sitting')).toBe(3);
+  });
+
   it('"google" -> "lookat" should return 4.', function () {
     expect(levenshteinDistance('google', 'lookat')).toBe(4);
   });
@@ -39,4 +47,12 @@ describe('Levenstein\'s minimum edit distance algorithm', function () {
   it('"rosebud" -> "budrose" should return 6.', function () {
     expect(levenshteinDistance('rosebud', 'budrose')).toBe(6);
   });
+
+  it('"decided" -> "decisive" should return 4.', function () {
+    expect(levenshteinDistance('decided', 'decisive')).toBe(4);
+  });
+
+  it('"similar" -> "simile" should return 2.', function () {
+    expect(levenshteinDistance('similar', 'simile')).toBe(2);
+  });
 });

From 43f6cd1e44e8f43cb02eb267a18e31c59990cb3f Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 5 Sep 2015 17:48:16 +0300
Subject: [PATCH 189/337] Update contributors list

---
 readme.md | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/readme.md b/readme.md
index a3677c77..fbe1e4b4 100644
--- a/readme.md
+++ b/readme.md
@@ -71,13 +71,13 @@ If the build is not successful fix your code in order the tests and jshint valid
 
 ## Contributors
 
-[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="FilipeFalcaoBatista" src="https://avatars.githubusercontent.com/u/9125631?v=3&s=117" width="117">](https://github.com/FilipeFalcaoBatista) |[<img alt="infusion" src="https://avatars.githubusercontent.com/u/197742?v=3&s=117" width="117">](https://github.com/infusion) |
+[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="FilipeFalcaoBatista" src="https://avatars.githubusercontent.com/u/9125631?v=3&s=117" width="117">](https://github.com/FilipeFalcaoBatista) |[<img alt="lekkas" src="https://avatars.githubusercontent.com/u/5211478?v=3&s=117" width="117">](https://github.com/lekkas) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[pvoznenko](https://github.com/pvoznenko) |[FilipeFalcaoBatista](https://github.com/FilipeFalcaoBatista) |[infusion](https://github.com/infusion) |
+[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[pvoznenko](https://github.com/pvoznenko) |[FilipeFalcaoBatista](https://github.com/FilipeFalcaoBatista) |[lekkas](https://github.com/lekkas) |
 
-[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="ysharplanguage" src="https://avatars.githubusercontent.com/u/1055314?v=3&s=117" width="117">](https://github.com/ysharplanguage) |[<img alt="lekkas" src="https://avatars.githubusercontent.com/u/5211478?v=3&s=117" width="117">](https://github.com/lekkas) |[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |
-:---: |:---: |:---: |:---: |:---: |
-[Microfed](https://github.com/Microfed) |[contra](https://github.com/contra) |[ysharplanguage](https://github.com/ysharplanguage) |[lekkas](https://github.com/lekkas) |[fanixk](https://github.com/fanixk) |
+[<img alt="deniskyashif" src="https://avatars.githubusercontent.com/u/5999271?v=3&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="infusion" src="https://avatars.githubusercontent.com/u/197742?v=3&s=117" width="117">](https://github.com/infusion) |[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="ysharplanguage" src="https://avatars.githubusercontent.com/u/1055314?v=3&s=117" width="117">](https://github.com/ysharplanguage) |[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |
+:---: |:---: |:---: |:---: |:---: |:---: |
+[deniskyashif](https://github.com/deniskyashif) |[infusion](https://github.com/infusion) |[Microfed](https://github.com/Microfed) |[contra](https://github.com/contra) |[ysharplanguage](https://github.com/ysharplanguage) |[fanixk](https://github.com/fanixk) |
 
 ## License
 

From d2f065ac97bf47b11eb0542375795c2a0f26de93 Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Wed, 23 Sep 2015 02:16:48 +0800
Subject: [PATCH 190/337] Add size-balanced-tree.js now.

---
 src/data-structures/size-balanced-tree.js | 284 ++++++++++++++++++++++
 1 file changed, 284 insertions(+)
 create mode 100644 src/data-structures/size-balanced-tree.js

diff --git a/src/data-structures/size-balanced-tree.js b/src/data-structures/size-balanced-tree.js
new file mode 100644
index 00000000..36d473cc
--- /dev/null
+++ b/src/data-structures/size-balanced-tree.js
@@ -0,0 +1,284 @@
+/**
+ * Size balanced tree is a data structure which is
+ * a type of self-balancing binary search tree that use
+ * the tree size attribute for re-balancing the tree.
+ *
+ * @example
+ *
+ * var SBTree = require('../src/data-structures/size-balanced-tree').SBTree;
+ * var sbTree = new SBTree();
+ *
+ * var treeNode = sbTree.push({
+ *   name: 'John',
+ *   surname: 'Smith'
+ * });
+ * sbTree.insert(0, {
+ *   name: 'Pavlo',
+ *   surname: 'Popov'
+ * });
+ * sbTree.insert(1, {
+ *   name: 'Garry',
+ *   surname: 'Fisher'
+ * });
+ * sbTree.insert(0, {
+ *   name: 'Derek',
+ *   surname: 'Anderson'
+ * });
+ *
+ * console.log(sbTree.get(0)); // { name: 'Derek', surname: 'Anderson' }
+ *
+ * @module data-structures/size-balanced-tree
+ */
+(function (exports) {
+
+  'use strict';
+
+  var Nil = {
+    parent: Nil,
+    left: Nil,
+    right: Nil,
+    size: 0,
+  };
+  
+  exports.Nil = Nil;
+
+  /**
+   * Node of the Size-Balanced tree.
+   *
+   * @private
+   * @constructor
+   * @param {Object} value Value assigned to the node.
+   * @param {Node} parent Parent node.
+   * @param {Node} left Left node.
+   * @param {Node} right Right node.
+   * @param {Number} size Node's, means the Node count of this subtree.
+   */
+  function Node(value, parent, left, right, size) {
+    this.value = value;
+    this.parent = parent;
+    this.left = left;
+    this.right = right;
+    this.size = size;
+  }
+
+  /**
+   * Update node's size.
+   *
+   * @private
+   * @method
+   */
+  Node.prototype.updateSize = function () {
+    this.size = this.left.size + this.right.size + 1;
+  };
+
+  exports.Node = Node;
+
+  function updateChild(node, newChild) {
+    let parent = node.parent;
+    if (parent !== Nil) {
+      if (parent.right === node) {
+        parent.right = newChild;
+        newChild.parent = parent;
+      } else {
+        parent.left = newChild;
+        newChild.parent = parent;
+      }
+      return parent;
+    }
+    return newChild;
+  }
+
+  function LeftRotate(node, childNode) {
+    /*
+      Before rotate:
+       node
+       / \
+      NL childNode
+         / \
+        CL  CR
+      After rotate:
+
+        childNode
+         /   \
+       node  CR 
+       /  \
+      NL  CL
+    */
+    node.right = childNode.left;
+    node.right.parent = node;
+    childNode.left = node;
+    childNode.left.parent = childNode;
+    updateChild(node, childNode)
+    node.updateSize();
+    return childNode;
+  }
+
+  function RightRotate(node, childNode) {
+    /*
+      Before rotate:
+          node
+           / \
+  childNode  NR
+         / \
+        CL  CR
+      After rotate:
+
+        childNode
+         /   \
+       CL    node 
+             / \
+            CR  NR
+    */
+    node.left = childNode.right;
+    node.left.parent = node;
+    childNode.right = node;
+    childNode.right.parent = childNode;
+    updateChild(node, childNode)
+    node.updateSize();
+    return childNode;
+  }
+
+  function maintainSizeBalancedTree(node) {
+    while (node.parent !== Nil) {
+      let childNode = node;
+      node = node.parent;
+      if (node.right === childNode) {
+        if (childNode.right.size > node.left.size) {
+          node = LeftRotate(node, childNode);
+        }
+      } else {
+        if (childNode.left.size > node.right.size) {
+          node = RightRotate(node, childNode);
+        }
+      }
+      node.updateSize();
+    }
+    return node;
+  }
+
+  function findRightMost = function(node) {
+    while (node.right !== Nil) {
+      node = node.right;
+    }
+    return node;
+  }
+
+  function findNodeAtPos = function(node, pos) {
+    while (pos != node.left.size) {
+      if (pos < node.left.size) {
+        node = node.left;
+      } else {
+        pos -= node.left.size;
+        node = node.right;
+      }
+    }
+    return node;
+  }
+
+  /**
+   * Red-Black Tree.
+   *
+   * @public
+   * @constructor
+   */
+  exports.SBTree = function () {
+    this._root = Nil;
+  };
+
+  /**
+   * Push a value to the end of tree.<br><br>
+   * Complexity: O(log N).
+   *
+   * @public
+   * @method
+   * @param {Object} value Value.
+   */
+  exports.SBTree.prototype.push = function (value) {
+    let node = findRightMost(this._root);
+    let newNode = new Node(value, node, Nil, Nil, 1);
+    if (node !== Nil) node.right = newNode;
+    this._root = maintainSizeBalancedTree(newNode);
+    return newNode;
+  };
+
+  exports.SBTree.prototype.get = function(pos) {
+    if (pos >= this._root.size) {
+      return Nil;
+    }
+    return findNodeAtPos(this._root, pos);
+  },
+
+  exports.SBTree.prototype.insert = function(pos, value) {
+    if (pos >= this._root.size) {
+      return this.push(value)
+    }
+    let node = findNodeAtPos(this._root, pos);
+    let newNode
+    if (node.left === Nil) {
+      newNode = new Node(value, node, Nil, Nil, 1);
+      node.left = newNode;
+    } else {
+      node = findRightMost(node);
+      newNode = new Node(value, node, Nil, Nil, 1);
+      node.right = newNode;
+    }
+    this._root = maintainSizeBalancedTree(newNode);
+    return newNode;
+  };
+
+  exports.SBTree.prototype.remove = function(pos) {
+    if (pos >= this._root.size) {
+      return Nil; // There is no element to remove
+    }
+    let node = findNodeAtPos(this._root, pos);
+    let removedNode = node;
+    let maintainNode;
+    if (node.right === Nil) {
+      maintainNode = updateChild(node, node.left)
+    } else if (node.left === Nil) {
+      maintainNode = updateChild(node, node.right)
+    } else {
+      /*
+        Before remove:
+            P(node's parent, be notices, N either be left child or right child of P)
+            |
+            N(node)
+           / \
+          L   R
+           \
+            \
+             LRM(Left-Rightmost)
+              \
+               Nil
+        After remove node N:
+              P(node's parent)
+             /
+            L   
+             \
+              \
+               LRM(Left-Rightmost)
+                \
+                 R
+
+          N(node) is wild node that was removed
+          
+      */
+      let LRM = findRightMost(node.left);
+      updateChild(node, node.left)
+      LRM.right = node.right
+      LRM.right.parent = LRM;
+      maintainNode = LRM;
+    }
+    if (maintainNode !== Nil) {
+      maintainNode.updateSize();
+    }
+
+    this._root = maintainSizeBalancedTree(maintainNode);
+    return removedNode;
+  };
+
+  exports.SBTree.prototype.size = function() {
+    return this._root.size;
+  }
+
+})(typeof window === 'undefined' ? module.exports : window);

From fe9fd72706f25fc662898cf520e89a03bb8610b8 Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Wed, 23 Sep 2015 02:27:26 +0800
Subject: [PATCH 191/337] Getting the maintainNode to be the leaf-most node, so
 that the updateSize would always be right and the rotate always working.

---
 src/data-structures/size-balanced-tree.js | 26 ++++++++++-------------
 1 file changed, 11 insertions(+), 15 deletions(-)

diff --git a/src/data-structures/size-balanced-tree.js b/src/data-structures/size-balanced-tree.js
index 36d473cc..1e1574c6 100644
--- a/src/data-structures/size-balanced-tree.js
+++ b/src/data-structures/size-balanced-tree.js
@@ -75,17 +75,17 @@
 
   function updateChild(node, newChild) {
     let parent = node.parent;
-    if (parent !== Nil) {
-      if (parent.right === node) {
-        parent.right = newChild;
-        newChild.parent = parent;
-      } else {
-        parent.left = newChild;
-        newChild.parent = parent;
-      }
-      return parent;
+    if (parent.right === node) {
+      parent.right = newChild;
+      newChild.parent = parent;
+    } else if (parent.left === node) {
+      parent.left = newChild;
+      newChild.parent = parent;
+    }
+    if (newChild !== Nil) {
+      return newChild;
     }
-    return newChild;
+    return parent;
   }
 
   function LeftRotate(node, childNode) {
@@ -267,12 +267,8 @@
       updateChild(node, node.left)
       LRM.right = node.right
       LRM.right.parent = LRM;
-      maintainNode = LRM;
+      maintainNode = node.right;
     }
-    if (maintainNode !== Nil) {
-      maintainNode.updateSize();
-    }
-
     this._root = maintainSizeBalancedTree(maintainNode);
     return removedNode;
   };

From 46f29d48e45f0b21f043249246b4e395370d4e11 Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Wed, 23 Sep 2015 03:45:57 +0800
Subject: [PATCH 192/337] Fixes updateChild and the usage of updateChild

---
 src/data-structures/size-balanced-tree.js     | 50 ++++++-----
 .../size-balanced-tree.spec.js                | 85 +++++++++++++++++++
 2 files changed, 113 insertions(+), 22 deletions(-)
 create mode 100644 test/data-structures/size-balanced-tree.spec.js

diff --git a/src/data-structures/size-balanced-tree.js b/src/data-structures/size-balanced-tree.js
index 1e1574c6..0381a820 100644
--- a/src/data-structures/size-balanced-tree.js
+++ b/src/data-structures/size-balanced-tree.js
@@ -33,14 +33,7 @@
 
   'use strict';
 
-  var Nil = {
-    parent: Nil,
-    left: Nil,
-    right: Nil,
-    size: 0,
-  };
   
-  exports.Nil = Nil;
 
   /**
    * Node of the Size-Balanced tree.
@@ -72,21 +65,30 @@
   };
 
   exports.Node = Node;
+  var Nil = new Node(null, null, null, null, 0);
+  Nil.parent = Nil;
+  Nil.left = Nil;
+  Nil.right = Nil;
+  exports.Nil = Nil;
 
   function updateChild(node, newChild) {
     let parent = node.parent;
+    if (parent === Nil) {
+      newChild.parent = parent;
+      return newChild;
+    }
     if (parent.right === node) {
       parent.right = newChild;
-      newChild.parent = parent;
-    } else if (parent.left === node) {
+    } else {
       parent.left = newChild;
-      newChild.parent = parent;
     }
-    if (newChild !== Nil) {
-      return newChild;
+    if (newChild === Nil) {
+      return parent;
     }
-    return parent;
+    newChild.parent = parent;
+    return newChild;
   }
+  exports.updateChild = updateChild;
 
   function LeftRotate(node, childNode) {
     /*
@@ -107,8 +109,8 @@
     node.right = childNode.left;
     node.right.parent = node;
     childNode.left = node;
-    childNode.left.parent = childNode;
-    updateChild(node, childNode)
+    updateChild(node, childNode) //Access node.parent
+    node.parent = childNode;
     node.updateSize();
     return childNode;
   }
@@ -132,8 +134,8 @@
     node.left = childNode.right;
     node.left.parent = node;
     childNode.right = node;
-    childNode.right.parent = childNode;
-    updateChild(node, childNode)
+    updateChild(node, childNode) //Access node.parent
+    node.parent = childNode;
     node.updateSize();
     return childNode;
   }
@@ -156,14 +158,14 @@
     return node;
   }
 
-  function findRightMost = function(node) {
+  function findRightMost(node) {
     while (node.right !== Nil) {
       node = node.right;
     }
     return node;
   }
 
-  function findNodeAtPos = function(node, pos) {
+  function findNodeAtPos(node, pos) {
     while (pos != node.left.size) {
       if (pos < node.left.size) {
         node = node.left;
@@ -185,6 +187,13 @@
     this._root = Nil;
   };
 
+  
+  exports.SBTree.prototype = {
+    get size() {
+      return this._root.size;
+    },
+  }
+ 
   /**
    * Push a value to the end of tree.<br><br>
    * Complexity: O(log N).
@@ -273,8 +282,5 @@
     return removedNode;
   };
 
-  exports.SBTree.prototype.size = function() {
-    return this._root.size;
-  }
 
 })(typeof window === 'undefined' ? module.exports : window);
diff --git a/test/data-structures/size-balanced-tree.spec.js b/test/data-structures/size-balanced-tree.spec.js
new file mode 100644
index 00000000..f98a3041
--- /dev/null
+++ b/test/data-structures/size-balanced-tree.spec.js
@@ -0,0 +1,85 @@
+'use strict';
+
+var mod = require('../../src/data-structures/size-balanced-tree.js');
+var Node = mod.Node;
+var Nil = mod.Nil;
+var SBTree = mod.SBTree;
+var updateChild = mod.updateChild;
+
+describe('Node', function () {
+  it('should be a constructor function', function () {
+    expect(typeof Node).toBe('function');
+  });
+  it('should be a construct properly', function () {
+    var node = new Node(10, Nil, Nil, Nil, 1);
+    expect(node.value).toBe(10);
+    expect(node.left).toBe(Nil);
+    expect(node.right).toBe(Nil);
+    expect(node.parent).toBe(Nil);
+    expect(node.size).toBe(1);
+  });
+  it('should reference children/parent properly', function () {
+    var root = new Node(10, Nil, Nil, Nil, 1);
+    var left = new Node(5, root, Nil, Nil, 1);
+    var right = new Node(15, root, Nil, Nil, 1);
+    root.left = left;
+    root.right = right;
+    expect(root.value).toBe(10);
+    expect(root.left).toBe(left);
+    expect(root.right).toBe(right);
+    expect(root.parent).toBe(Nil);
+    expect(right.parent).toBe(root);
+    expect(left.parent).toBe(root);
+    expect(right.size).toBe(1);
+    expect(left.size).toBe(1);
+    expect(root.size).toBe(1);
+    root.updateSize();
+    expect(root.size).toBe(3);
+  });
+});
+
+describe('SBTree', function () {
+  it('should be a constructor function', function () {
+    expect(typeof SBTree).toBe('function');
+  });
+  it('should start with null root', function () {
+    expect(new SBTree()._root).toBe(Nil);
+  });
+  it('should insert and remove correctly', function () {
+    var sTree = new SBTree();
+    expect(sTree.size).toBe(0);
+    sTree.insert(0, 10);
+    expect(sTree.size).toBe(1);
+    sTree.remove(0);
+    expect(sTree.size).toBe(0);
+    expect(sTree._root).toBe(Nil);
+  });
+
+  function checkNil() {
+    expect(Nil.size).toBe(0);
+    expect(Nil.left).toBe(Nil);
+    expect(Nil.right).toBe(Nil);
+    expect(Nil.parent).toBe(Nil);
+    expect(Nil.value).toBe(null);
+  }
+  it('test updateChild', function() {
+    var e = updateChild(Nil, Nil);
+    checkNil();
+    expect(e).toBe(Nil);
+    var root = new Node(10, Nil, Nil, Nil, 1);
+    var left = new Node(5, root, Nil, Nil, 1);
+    var right = new Node(15, root, Nil, Nil, 1);
+    var leftLeft = new Node(10, left, Nil, Nil, 1);
+    left.left = leftLeft;
+    root.left = left;
+    root.right = right;
+    updateChild(left, leftLeft);
+    expect(leftLeft.parent).toBe(root);
+    expect(root.left).toBe(leftLeft);
+    updateChild(leftLeft, Nil);
+    checkNil();
+    expect(root.left).toBe(Nil);
+    updateChild(Nil, right);
+    expect(right.parent).toBe(Nil);
+  });
+});

From 19a12da558cf6dc7af8e30c29c20b0ec5ff33515 Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Wed, 23 Sep 2015 04:03:48 +0800
Subject: [PATCH 193/337] Fixes of the Nil pointer problem, testing push 10000
 elements at the end and get the 10000 elements and check it.

---
 src/data-structures/size-balanced-tree.js       |  5 +++--
 test/data-structures/size-balanced-tree.spec.js | 12 ++++++++++++
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/data-structures/size-balanced-tree.js b/src/data-structures/size-balanced-tree.js
index 0381a820..1f5d9882 100644
--- a/src/data-structures/size-balanced-tree.js
+++ b/src/data-structures/size-balanced-tree.js
@@ -107,7 +107,7 @@
       NL  CL
     */
     node.right = childNode.left;
-    node.right.parent = node;
+    if (node.right !== Nil) node.right.parent = node;
     childNode.left = node;
     updateChild(node, childNode) //Access node.parent
     node.parent = childNode;
@@ -132,7 +132,7 @@
             CR  NR
     */
     node.left = childNode.right;
-    node.left.parent = node;
+    if (node.left !== Nil) node.left.parent = node;
     childNode.right = node;
     updateChild(node, childNode) //Access node.parent
     node.parent = childNode;
@@ -171,6 +171,7 @@
         node = node.left;
       } else {
         pos -= node.left.size;
+        --pos; //The node element should be decrement by 1
         node = node.right;
       }
     }
diff --git a/test/data-structures/size-balanced-tree.spec.js b/test/data-structures/size-balanced-tree.spec.js
index f98a3041..91d29c51 100644
--- a/test/data-structures/size-balanced-tree.spec.js
+++ b/test/data-structures/size-balanced-tree.spec.js
@@ -81,5 +81,17 @@ describe('SBTree', function () {
     expect(root.left).toBe(Nil);
     updateChild(Nil, right);
     expect(right.parent).toBe(Nil);
+    checkNil();
+  });
+
+  it('push and get 100000 elements', function () {
+    var sTree = new SBTree();
+    for (var i = 0; i < 100000; ++i) {
+      sTree.push(i);
+    }
+    checkNil();
+    for (var i = 0; i < 100000; ++i) {
+      expect(sTree.get(i).value).toBe(i);
+    }
   });
 });

From b201487a00b7db5e87ed150e1c49eb4e1cf82a91 Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Wed, 23 Sep 2015 04:28:04 +0800
Subject: [PATCH 194/337] Fixes updateChild with updateSize when the newChild
 is Nil and the parent is not Nil.

---
 src/data-structures/size-balanced-tree.js     |  3 ++-
 .../size-balanced-tree.spec.js                | 24 ++++++++++++++++++-
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/src/data-structures/size-balanced-tree.js b/src/data-structures/size-balanced-tree.js
index 1f5d9882..d47708c1 100644
--- a/src/data-structures/size-balanced-tree.js
+++ b/src/data-structures/size-balanced-tree.js
@@ -83,6 +83,7 @@
       parent.left = newChild;
     }
     if (newChild === Nil) {
+      parent.updateSize();
       return parent;
     }
     newChild.parent = parent;
@@ -277,7 +278,7 @@
       updateChild(node, node.left)
       LRM.right = node.right
       LRM.right.parent = LRM;
-      maintainNode = node.right;
+      maintainNode = LRM.right;
     }
     this._root = maintainSizeBalancedTree(maintainNode);
     return removedNode;
diff --git a/test/data-structures/size-balanced-tree.spec.js b/test/data-structures/size-balanced-tree.spec.js
index 91d29c51..f17f7d62 100644
--- a/test/data-structures/size-balanced-tree.spec.js
+++ b/test/data-structures/size-balanced-tree.spec.js
@@ -71,20 +71,25 @@ describe('SBTree', function () {
     var right = new Node(15, root, Nil, Nil, 1);
     var leftLeft = new Node(10, left, Nil, Nil, 1);
     left.left = leftLeft;
+    left.updateSize();
     root.left = left;
     root.right = right;
+    root.updateSize();
+    expect(root.size).toBe(4);
+
     updateChild(left, leftLeft);
     expect(leftLeft.parent).toBe(root);
     expect(root.left).toBe(leftLeft);
     updateChild(leftLeft, Nil);
     checkNil();
     expect(root.left).toBe(Nil);
+    expect(root.size).toBe(2);
     updateChild(Nil, right);
     expect(right.parent).toBe(Nil);
     checkNil();
   });
 
-  it('push and get 100000 elements', function () {
+  it('push and get 100000 elements, remove the array by always remove the first/last element', function () {
     var sTree = new SBTree();
     for (var i = 0; i < 100000; ++i) {
       sTree.push(i);
@@ -93,5 +98,22 @@ describe('SBTree', function () {
     for (var i = 0; i < 100000; ++i) {
       expect(sTree.get(i).value).toBe(i);
     }
+    for (var i = 0; i < 100000; ++i) {
+      expect(sTree.get(0).value).toBe(i);
+      var node = sTree.remove(0); // Always remove the first element;
+      expect(node.value).toBe(i);
+    }
+    checkNil();
+    expect(sTree._root).toBe(Nil);
+    var count = 10000;
+    for (var i = 0; i < count; ++i) {
+      sTree.push(i);
+    }
+    for (var i = 0; i < count; ++i) {
+      var node = sTree.remove(count - i - 1); // Always remove the last element;
+      expect(node.value).toBe(count - i - 1);
+      expect(sTree.size).toBe(count - i - 1);
+    }
+    checkNil();
   });
 });

From 62700e15dcd123f4a2f7baa868836c5a9b96022a Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Wed, 23 Sep 2015 04:48:13 +0800
Subject: [PATCH 195/337] Testing insert properly.

---
 test/data-structures/size-balanced-tree.spec.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/data-structures/size-balanced-tree.spec.js b/test/data-structures/size-balanced-tree.spec.js
index f17f7d62..a8736175 100644
--- a/test/data-structures/size-balanced-tree.spec.js
+++ b/test/data-structures/size-balanced-tree.spec.js
@@ -107,11 +107,11 @@ describe('SBTree', function () {
     expect(sTree._root).toBe(Nil);
     var count = 10000;
     for (var i = 0; i < count; ++i) {
-      sTree.push(i);
+      sTree.insert(0, i);
     }
     for (var i = 0; i < count; ++i) {
       var node = sTree.remove(count - i - 1); // Always remove the last element;
-      expect(node.value).toBe(count - i - 1);
+      expect(node.value).toBe(i);
       expect(sTree.size).toBe(count - i - 1);
     }
     checkNil();

From 9832fb6af2bbafe3acae5dc342e799efb4f97896 Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Wed, 23 Sep 2015 10:41:49 +0800
Subject: [PATCH 196/337] Checking the maxHeight properly.

---
 src/data-structures/size-balanced-tree.js       |  2 ++
 test/data-structures/size-balanced-tree.spec.js | 12 ++++++++----
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/data-structures/size-balanced-tree.js b/src/data-structures/size-balanced-tree.js
index d47708c1..9390c6e1 100644
--- a/src/data-structures/size-balanced-tree.js
+++ b/src/data-structures/size-balanced-tree.js
@@ -52,6 +52,7 @@
     this.left = left;
     this.right = right;
     this.size = size;
+    this.height = 0;
   }
 
   /**
@@ -62,6 +63,7 @@
    */
   Node.prototype.updateSize = function () {
     this.size = this.left.size + this.right.size + 1;
+    this.height = Math.max(this.left.height, this.right.height) + 1;
   };
 
   exports.Node = Node;
diff --git a/test/data-structures/size-balanced-tree.spec.js b/test/data-structures/size-balanced-tree.spec.js
index a8736175..3ca3b295 100644
--- a/test/data-structures/size-balanced-tree.spec.js
+++ b/test/data-structures/size-balanced-tree.spec.js
@@ -91,14 +91,18 @@ describe('SBTree', function () {
 
   it('push and get 100000 elements, remove the array by always remove the first/last element', function () {
     var sTree = new SBTree();
-    for (var i = 0; i < 100000; ++i) {
+    for (var i = 0; i < 2000000; ++i) {
       sTree.push(i);
     }
     checkNil();
-    for (var i = 0; i < 100000; ++i) {
-      expect(sTree.get(i).value).toBe(i);
+    let maxHeight = 0;
+    for (var i = 0; i < 2000000; ++i) {
+      var node = sTree.get(i);
+      maxHeight = Math.max(maxHeight, node.height);
+      expect(node.value).toBe(i);
     }
-    for (var i = 0; i < 100000; ++i) {
+    expect(maxHeight).toBe(21);
+    for (var i = 0; i < 2000000; ++i) {
       expect(sTree.get(0).value).toBe(i);
       var node = sTree.remove(0); // Always remove the first element;
       expect(node.value).toBe(i);

From aa997d38608bcdbe156f346a81d20128859c40f9 Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Wed, 23 Sep 2015 11:12:53 +0800
Subject: [PATCH 197/337] Testing random insert properly.

---
 src/data-structures/size-balanced-tree.js     |  2 +-
 .../size-balanced-tree.spec.js                | 38 ++++++++++++++++++-
 2 files changed, 38 insertions(+), 2 deletions(-)

diff --git a/src/data-structures/size-balanced-tree.js b/src/data-structures/size-balanced-tree.js
index 9390c6e1..974ec793 100644
--- a/src/data-structures/size-balanced-tree.js
+++ b/src/data-structures/size-balanced-tree.js
@@ -231,7 +231,7 @@
       newNode = new Node(value, node, Nil, Nil, 1);
       node.left = newNode;
     } else {
-      node = findRightMost(node);
+      node = findRightMost(node.left);
       newNode = new Node(value, node, Nil, Nil, 1);
       node.right = newNode;
     }
diff --git a/test/data-structures/size-balanced-tree.spec.js b/test/data-structures/size-balanced-tree.spec.js
index 3ca3b295..a04f8ddb 100644
--- a/test/data-structures/size-balanced-tree.spec.js
+++ b/test/data-structures/size-balanced-tree.spec.js
@@ -88,6 +88,16 @@ describe('SBTree', function () {
     expect(right.parent).toBe(Nil);
     checkNil();
   });
+  // Returns a random integer between min (included) and max (excluded)
+  // Using Math.round() will give you a non-uniform distribution!
+  function getRandomInt(min, max) {
+    return Math.floor(Math.random() * (max - min)) + min;
+  }
+  // Returns a random integer between min (included) and max (included)
+  // Using Math.round() will give you a non-uniform distribution!
+  function getRandomIntInclusive(min, max) {
+    return Math.floor(Math.random() * (max - min + 1)) + min;
+  }
 
   it('push and get 100000 elements, remove the array by always remove the first/last element', function () {
     var sTree = new SBTree();
@@ -95,7 +105,7 @@ describe('SBTree', function () {
       sTree.push(i);
     }
     checkNil();
-    let maxHeight = 0;
+    var maxHeight = 0;
     for (var i = 0; i < 2000000; ++i) {
       var node = sTree.get(i);
       maxHeight = Math.max(maxHeight, node.height);
@@ -119,5 +129,31 @@ describe('SBTree', function () {
       expect(sTree.size).toBe(count - i - 1);
     }
     checkNil();
+    var expectedArray = [];
+    for (var i = 0; i < 10000; ++i) {
+      var isAdded = sTree.size === 0;
+      if (!isAdded) {
+        isAdded = getRandomIntInclusive(0, 3) < 3;
+      }
+      if (isAdded) {
+        var newPos = getRandomIntInclusive(0, sTree.size);
+        sTree.insert(newPos, i);
+        expectedArray.splice(newPos, 0, i);
+      } else {
+        var removedPos = getRandomInt(0, sTree.size);
+       // sTree.remove(removedPos);
+        //expectedArray.splice(removedPos, 1);
+      }
+    }
+    expect(sTree.size).toBe(expectedArray.length);
+    maxHeight = 0;
+    for (var i = 0; i < sTree.size; ++i) {
+      var node = sTree.get(i);
+      maxHeight = Math.max(maxHeight, node.height);
+      expect(node.value).toBe(expectedArray[i]);
+      //console.log(node.value, expectedArray[i]);
+    }
+    console.log(maxHeight);
+    checkNil();
   });
 });

From 61807b01f7e485202129ad975a2926629ac1b80d Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Wed, 23 Sep 2015 11:19:32 +0800
Subject: [PATCH 198/337] Testing random remove properly.

---
 .../size-balanced-tree.spec.js                | 30 +++++++++----------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/test/data-structures/size-balanced-tree.spec.js b/test/data-structures/size-balanced-tree.spec.js
index a04f8ddb..d4096c89 100644
--- a/test/data-structures/size-balanced-tree.spec.js
+++ b/test/data-structures/size-balanced-tree.spec.js
@@ -130,20 +130,10 @@ describe('SBTree', function () {
     }
     checkNil();
     var expectedArray = [];
-    for (var i = 0; i < 10000; ++i) {
-      var isAdded = sTree.size === 0;
-      if (!isAdded) {
-        isAdded = getRandomIntInclusive(0, 3) < 3;
-      }
-      if (isAdded) {
-        var newPos = getRandomIntInclusive(0, sTree.size);
-        sTree.insert(newPos, i);
-        expectedArray.splice(newPos, 0, i);
-      } else {
-        var removedPos = getRandomInt(0, sTree.size);
-       // sTree.remove(removedPos);
-        //expectedArray.splice(removedPos, 1);
-      }
+    for (var i = 0; i < 100000; ++i) {
+      var newPos = getRandomIntInclusive(0, sTree.size);
+      sTree.insert(newPos, i);
+      expectedArray.splice(newPos, 0, i);
     }
     expect(sTree.size).toBe(expectedArray.length);
     maxHeight = 0;
@@ -151,7 +141,17 @@ describe('SBTree', function () {
       var node = sTree.get(i);
       maxHeight = Math.max(maxHeight, node.height);
       expect(node.value).toBe(expectedArray[i]);
-      //console.log(node.value, expectedArray[i]);
+    }
+    console.log(maxHeight);
+    for (var i = 0; i < 50000; ++i) {
+      var removedPos = getRandomInt(0, sTree.size);
+      sTree.remove(removedPos);
+      expectedArray.splice(removedPos, 1);
+    }
+    for (var i = 0; i < sTree.size; ++i) {
+      var node = sTree.get(i);
+      maxHeight = Math.max(maxHeight, node.height);
+      expect(node.value).toBe(expectedArray[i]);
     }
     console.log(maxHeight);
     checkNil();

From 160fdef9e61edb5597d9954602f40b7b4aafdbe9 Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Wed, 23 Sep 2015 11:54:02 +0800
Subject: [PATCH 199/337] Using standard maintain, and the delete operation
 have problems.

---
 src/data-structures/size-balanced-tree.js     | 42 +++++++++++++++----
 .../size-balanced-tree.spec.js                |  2 +-
 2 files changed, 35 insertions(+), 9 deletions(-)

diff --git a/src/data-structures/size-balanced-tree.js b/src/data-structures/size-balanced-tree.js
index 974ec793..e05beff4 100644
--- a/src/data-structures/size-balanced-tree.js
+++ b/src/data-structures/size-balanced-tree.js
@@ -143,20 +143,46 @@
     return childNode;
   }
 
+  function maintain(node, leftChild) {
+    if (node === Nil) {
+      return node;
+    }
+    var savedNode = node;
+    if (leftChild) {
+      if (node.left.left.size > node.right.size) {
+        node = RightRotate(node, node.left);
+      } else if (node.left.right.size > node.right.size) {
+        LeftRotate(node.left, node.left.right);
+        node = RightRotate(node, node.left);
+      }
+    } else {
+      if (node.right.right.size > node.left.size) {
+        node = LeftRotate(node, node.right);
+      } else if (node.right.left.size > node.left.size) {
+        RightRotate(node.right, node.right.left);
+        node = LeftRotate(node, node.right);
+      }
+    }
+    node.updateSize();
+    if (node === savedNode) {
+      return node;
+    }
+    maintain(node.left, false);
+    maintain(node.right, true);
+    node = maintain(node, true);
+    node = maintain(node, false);
+    return node;
+  }
+
   function maintainSizeBalancedTree(node) {
     while (node.parent !== Nil) {
       let childNode = node;
       node = node.parent;
-      if (node.right === childNode) {
-        if (childNode.right.size > node.left.size) {
-          node = LeftRotate(node, childNode);
-        }
+      if (node.left == childNode) {
+        node = maintain(node, true);
       } else {
-        if (childNode.left.size > node.right.size) {
-          node = RightRotate(node, childNode);
-        }
+        node = maintain(node, false);
       }
-      node.updateSize();
     }
     return node;
   }
diff --git a/test/data-structures/size-balanced-tree.spec.js b/test/data-structures/size-balanced-tree.spec.js
index d4096c89..17663741 100644
--- a/test/data-structures/size-balanced-tree.spec.js
+++ b/test/data-structures/size-balanced-tree.spec.js
@@ -143,7 +143,7 @@ describe('SBTree', function () {
       expect(node.value).toBe(expectedArray[i]);
     }
     console.log(maxHeight);
-    for (var i = 0; i < 50000; ++i) {
+    for (var i = 0; i < 90000; ++i) {
       var removedPos = getRandomInt(0, sTree.size);
       sTree.remove(removedPos);
       expectedArray.splice(removedPos, 1);

From 628cc1195402c9c9ecf752fcb594c2a390425db2 Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Wed, 23 Sep 2015 12:22:59 +0800
Subject: [PATCH 200/337] Do not check return of updateChild

---
 test/data-structures/size-balanced-tree.spec.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/test/data-structures/size-balanced-tree.spec.js b/test/data-structures/size-balanced-tree.spec.js
index 17663741..7e75daa2 100644
--- a/test/data-structures/size-balanced-tree.spec.js
+++ b/test/data-structures/size-balanced-tree.spec.js
@@ -63,9 +63,8 @@ describe('SBTree', function () {
     expect(Nil.value).toBe(null);
   }
   it('test updateChild', function() {
-    var e = updateChild(Nil, Nil);
+    updateChild(Nil, Nil);
     checkNil();
-    expect(e).toBe(Nil);
     var root = new Node(10, Nil, Nil, Nil, 1);
     var left = new Node(5, root, Nil, Nil, 1);
     var right = new Node(15, root, Nil, Nil, 1);

From 0079d4d8f7eb191c9bdcf4dea627b81c91af280e Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Wed, 23 Sep 2015 12:24:13 +0800
Subject: [PATCH 201/337] Consistence the delete operation.

---
 src/data-structures/size-balanced-tree.js | 100 +++++++++++++---------
 1 file changed, 58 insertions(+), 42 deletions(-)

diff --git a/src/data-structures/size-balanced-tree.js b/src/data-structures/size-balanced-tree.js
index e05beff4..e59d0666 100644
--- a/src/data-structures/size-balanced-tree.js
+++ b/src/data-structures/size-balanced-tree.js
@@ -75,21 +75,17 @@
 
   function updateChild(node, newChild) {
     let parent = node.parent;
-    if (parent === Nil) {
-      newChild.parent = parent;
-      return newChild;
-    }
-    if (parent.right === node) {
-      parent.right = newChild;
-    } else {
-      parent.left = newChild;
-    }
-    if (newChild === Nil) {
+    if (parent !== Nil) {
+      if (parent.right === node) {
+        parent.right = newChild;
+      } else {
+        parent.left = newChild;
+      }
       parent.updateSize();
-      return parent;
     }
-    newChild.parent = parent;
-    return newChild;
+    if (newChild !== Nil) {
+      newChild.parent = parent;
+    }
   }
   exports.updateChild = updateChild;
 
@@ -194,6 +190,13 @@
     return node;
   }
 
+  function findLeftMost(node) {
+    while (node.left !== Nil) {
+      node = node.left;
+    }
+    return node;
+  }
+
   function findNodeAtPos(node, pos) {
     while (pos != node.left.size) {
       if (pos < node.left.size) {
@@ -270,46 +273,59 @@
       return Nil; // There is no element to remove
     }
     let node = findNodeAtPos(this._root, pos);
-    let removedNode = node;
     let maintainNode;
-    if (node.right === Nil) {
-      maintainNode = updateChild(node, node.left)
-    } else if (node.left === Nil) {
-      maintainNode = updateChild(node, node.right)
-    } else {
-      /*
-        Before remove:
-            P(node's parent, be notices, N either be left child or right child of P)
-            |
-            N(node)
-           / \
-          L   R
+
+    /*
+      Before remove:
+          P(node's parent, be notices, N either be left child or right child of P)
+          |
+          N(node)
+         / \
+        L   R
+         \
+          \
+           LRM(Left-Rightmost)
+            \
+             Nil
+      After remove node N:
+            P(node's parent)
+           /
+          L   
            \
             \
              LRM(Left-Rightmost)
               \
-               Nil
-        After remove node N:
-              P(node's parent)
-             /
-            L   
-             \
-              \
-               LRM(Left-Rightmost)
-                \
-                 R
+               R
 
-          N(node) is wild node that was removed
-          
-      */
+        N(node) is wild node that was removed
+        
+    */
+    if (node.left !== Nil){
       let LRM = findRightMost(node.left);
       updateChild(node, node.left)
       LRM.right = node.right
-      LRM.right.parent = LRM;
-      maintainNode = LRM.right;
+      if (LRM.right === Nil) {
+        maintainNode = LRM;
+      } else {
+        LRM.right.parent = LRM;
+        maintainNode = LRM.right;
+      }
+    } else if (node.right !== Nil) {
+      let RLM = findLeftMost(node.right);
+      updateChild(node, node.right)
+      RLM.left = node.left
+      if (RLM.left === Nil) {
+        maintainNode = RLM;
+      } else {
+        RLM.left.parent = RLM;
+        maintainNode = RLM.left;
+      }
+    } else {
+      updateChild(node, Nil)
+      maintainNode = node.parent;
     }
     this._root = maintainSizeBalancedTree(maintainNode);
-    return removedNode;
+    return node;
   };
 
 

From 819d6f9d6730a3d90f70a415eaea8ae5e5b15a17 Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Thu, 24 Sep 2015 01:04:19 +0800
Subject: [PATCH 202/337] No need the maxHeight

---
 test/data-structures/size-balanced-tree.spec.js | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/test/data-structures/size-balanced-tree.spec.js b/test/data-structures/size-balanced-tree.spec.js
index 7e75daa2..34fcf733 100644
--- a/test/data-structures/size-balanced-tree.spec.js
+++ b/test/data-structures/size-balanced-tree.spec.js
@@ -104,13 +104,11 @@ describe('SBTree', function () {
       sTree.push(i);
     }
     checkNil();
-    var maxHeight = 0;
     for (var i = 0; i < 2000000; ++i) {
       var node = sTree.get(i);
-      maxHeight = Math.max(maxHeight, node.height);
       expect(node.value).toBe(i);
     }
-    expect(maxHeight).toBe(21);
+    expect(sTree._root.height).toBe(21);
     for (var i = 0; i < 2000000; ++i) {
       expect(sTree.get(0).value).toBe(i);
       var node = sTree.remove(0); // Always remove the first element;
@@ -135,13 +133,11 @@ describe('SBTree', function () {
       expectedArray.splice(newPos, 0, i);
     }
     expect(sTree.size).toBe(expectedArray.length);
-    maxHeight = 0;
     for (var i = 0; i < sTree.size; ++i) {
       var node = sTree.get(i);
-      maxHeight = Math.max(maxHeight, node.height);
       expect(node.value).toBe(expectedArray[i]);
     }
-    console.log(maxHeight);
+    console.log(sTree._root.height);
     for (var i = 0; i < 90000; ++i) {
       var removedPos = getRandomInt(0, sTree.size);
       sTree.remove(removedPos);
@@ -149,10 +145,9 @@ describe('SBTree', function () {
     }
     for (var i = 0; i < sTree.size; ++i) {
       var node = sTree.get(i);
-      maxHeight = Math.max(maxHeight, node.height);
       expect(node.value).toBe(expectedArray[i]);
     }
-    console.log(maxHeight);
+    console.log(sTree._root.height);
     checkNil();
   });
 });

From 180ac8e0ff5ce1e122807029eb6e764e55e6fa97 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Wed, 7 Oct 2015 07:27:28 +0300
Subject: [PATCH 203/337] Update gulp-jasmine

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 2b85713a..ecff0768 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   },
   "devDependencies": {
     "gulp": "^3.8.10",
-    "gulp-jasmine": "^1.0.1",
+    "gulp-jasmine": "^2.0.1",
     "gulp-jscs": "^1.4.0",
     "gulp-jshint": "^1.9.0",
     "gulp-shell": "^0.2.11",

From de706f1a54dd8cc56e75a0c250cf44621c10e499 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Wed, 7 Oct 2015 07:31:53 +0300
Subject: [PATCH 204/337] Update recursive insertion sort

---
 src/sorting/recursive-insertionsort.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/sorting/recursive-insertionsort.js b/src/sorting/recursive-insertionsort.js
index 87c564c2..b34135c4 100644
--- a/src/sorting/recursive-insertionsort.js
+++ b/src/sorting/recursive-insertionsort.js
@@ -27,12 +27,12 @@
    */
   function recursiveInsertionSort(array, cmp, max) {
     cmp = cmp || compare;
-    if (max <= 0) {
-      return array;
-    }
     if (max === undefined) {
       max = array.length - 1;
     }
+    if (max <= 0) {
+      return array;
+    }
     recursiveInsertionSort(array, cmp, max - 1);
     for (var i = max - 1, current = array[max];
         i >= 0 && cmp(current, array[i]) < 0; i -= 1) {

From f9299a515dc8108d96088c8703aaf5a5718e773a Mon Sep 17 00:00:00 2001
From: Denis Savenok <denissavenok@gmail.com>
Date: Thu, 22 Oct 2015 16:07:48 +0400
Subject: [PATCH 205/337] array.length -> size

---
 src/sorting/radixsort.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/sorting/radixsort.js b/src/sorting/radixsort.js
index caf58cc6..4c2c4a45 100644
--- a/src/sorting/radixsort.js
+++ b/src/sorting/radixsort.js
@@ -68,7 +68,7 @@
         }
 
         /* Count frequency of each array element */
-        for (j = 0; j < array.length; j += 1) {
+        for (j = 0; j < size; j += 1) {
           digit = getDigit(array[j], i) || 0;
           count[digit] += 1;
         }
@@ -80,14 +80,14 @@
 
         /* Move elements to auxilary array */
         var aux = [];
-        for (j = array.length - 1; j >= 0; j -= 1) {
+        for (j = size - 1; j >= 0; j -= 1) {
           digit = getDigit(array[j], i) || 0;
           count[digit] -= 1;
           aux[count[digit]] = array[j];
         }
 
         /* Copy elements back from auxilary array */
-        for (j = 0; j < array.length; j += 1) {
+        for (j = 0; j < size; j += 1) {
           array[j] = aux[j];
         }
       }

From 1e8f60d022885b1d41f1fc433e7d996b5f824522 Mon Sep 17 00:00:00 2001
From: Denis Savenok <denissavenok@gmail.com>
Date: Thu, 22 Oct 2015 16:08:49 +0400
Subject: [PATCH 206/337] auxiliary typo

---
 src/sorting/radixsort.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sorting/radixsort.js b/src/sorting/radixsort.js
index 4c2c4a45..ef8325c4 100644
--- a/src/sorting/radixsort.js
+++ b/src/sorting/radixsort.js
@@ -78,7 +78,7 @@
           count[j] += count[j - 1];
         }
 
-        /* Move elements to auxilary array */
+        /* Move elements to auxiliary array */
         var aux = [];
         for (j = size - 1; j >= 0; j -= 1) {
           digit = getDigit(array[j], i) || 0;

From 3c0f1d60205fec1643a1a586f3bfffeb7533415b Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Tue, 27 Oct 2015 23:29:43 +0800
Subject: [PATCH 207/337] Switch module & window.

---
 src/data-structures/size-balanced-tree.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/data-structures/size-balanced-tree.js b/src/data-structures/size-balanced-tree.js
index e59d0666..e078fd0b 100644
--- a/src/data-structures/size-balanced-tree.js
+++ b/src/data-structures/size-balanced-tree.js
@@ -329,4 +329,4 @@
   };
 
 
-})(typeof window === 'undefined' ? module.exports : window);
+})(typeof module === 'undefined' ? window : module.exports);

From a4c3a4434d17604540a962e13264b5f913a35e53 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Thu, 29 Oct 2015 14:34:12 +0200
Subject: [PATCH 208/337] Update contributors' list

---
 readme.md | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/readme.md b/readme.md
index fbe1e4b4..a26a6052 100644
--- a/readme.md
+++ b/readme.md
@@ -75,9 +75,13 @@ If the build is not successful fix your code in order the tests and jshint valid
 :---: |:---: |:---: |:---: |:---: |:---: |
 [mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[pvoznenko](https://github.com/pvoznenko) |[FilipeFalcaoBatista](https://github.com/FilipeFalcaoBatista) |[lekkas](https://github.com/lekkas) |
 
-[<img alt="deniskyashif" src="https://avatars.githubusercontent.com/u/5999271?v=3&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="infusion" src="https://avatars.githubusercontent.com/u/197742?v=3&s=117" width="117">](https://github.com/infusion) |[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="ysharplanguage" src="https://avatars.githubusercontent.com/u/1055314?v=3&s=117" width="117">](https://github.com/ysharplanguage) |[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |
+[<img alt="deniskyashif" src="https://avatars.githubusercontent.com/u/5999271?v=3&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="infusion" src="https://avatars.githubusercontent.com/u/197742?v=3&s=117" width="117">](https://github.com/infusion) |[<img alt="designeng" src="https://avatars.githubusercontent.com/u/2807469?v=3&s=117" width="117">](https://github.com/designeng) |[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="ysharplanguage" src="https://avatars.githubusercontent.com/u/1055314?v=3&s=117" width="117">](https://github.com/ysharplanguage) |[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[deniskyashif](https://github.com/deniskyashif) |[infusion](https://github.com/infusion) |[Microfed](https://github.com/Microfed) |[contra](https://github.com/contra) |[ysharplanguage](https://github.com/ysharplanguage) |[fanixk](https://github.com/fanixk) |
+[deniskyashif](https://github.com/deniskyashif) |[infusion](https://github.com/infusion) |[designeng](https://github.com/designeng) |[Microfed](https://github.com/Microfed) |[ysharplanguage](https://github.com/ysharplanguage) |[contra](https://github.com/contra) |
+
+[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |
+:---: |
+[fanixk](https://github.com/fanixk) |
 
 ## License
 

From 03f482004d2ecb1f74111092fb1f2a357b05e9d0 Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Sat, 14 Nov 2015 01:31:16 +0800
Subject: [PATCH 209/337] Test index.

---
 src/data-structures/size-balanced-tree.js     | 14 ++++++++++-
 .../size-balanced-tree.spec.js                | 24 ++++++++++++++-----
 2 files changed, 31 insertions(+), 7 deletions(-)

diff --git a/src/data-structures/size-balanced-tree.js b/src/data-structures/size-balanced-tree.js
index e078fd0b..1bb55315 100644
--- a/src/data-structures/size-balanced-tree.js
+++ b/src/data-structures/size-balanced-tree.js
@@ -248,7 +248,19 @@
       return Nil;
     }
     return findNodeAtPos(this._root, pos);
-  },
+  };
+
+  exports.SBTree.prototype.getIndex = function(node) {
+    let index = node.left.size;
+    while (node != this._root) {
+      let parent = node.parent;
+      if (parent.right === node) {
+        index += parent.left.size + 1;
+      }
+      node = parent;
+    }
+    return index;
+  };
 
   exports.SBTree.prototype.insert = function(pos, value) {
     if (pos >= this._root.size) {
diff --git a/test/data-structures/size-balanced-tree.spec.js b/test/data-structures/size-balanced-tree.spec.js
index 34fcf733..d1280bd0 100644
--- a/test/data-structures/size-balanced-tree.spec.js
+++ b/test/data-structures/size-balanced-tree.spec.js
@@ -100,16 +100,16 @@ describe('SBTree', function () {
 
   it('push and get 100000 elements, remove the array by always remove the first/last element', function () {
     var sTree = new SBTree();
-    for (var i = 0; i < 2000000; ++i) {
+    for (var i = 0; i < 200000; ++i) {
       sTree.push(i);
     }
     checkNil();
-    for (var i = 0; i < 2000000; ++i) {
+    for (var i = 0; i < 200000; ++i) {
       var node = sTree.get(i);
       expect(node.value).toBe(i);
     }
-    expect(sTree._root.height).toBe(21);
-    for (var i = 0; i < 2000000; ++i) {
+    expect(sTree._root.height).toBe(18);
+    for (var i = 0; i < 200000; ++i) {
       expect(sTree.get(0).value).toBe(i);
       var node = sTree.remove(0); // Always remove the first element;
       expect(node.value).toBe(i);
@@ -137,7 +137,6 @@ describe('SBTree', function () {
       var node = sTree.get(i);
       expect(node.value).toBe(expectedArray[i]);
     }
-    console.log(sTree._root.height);
     for (var i = 0; i < 90000; ++i) {
       var removedPos = getRandomInt(0, sTree.size);
       sTree.remove(removedPos);
@@ -147,7 +146,20 @@ describe('SBTree', function () {
       var node = sTree.get(i);
       expect(node.value).toBe(expectedArray[i]);
     }
-    console.log(sTree._root.height);
     checkNil();
   });
+
+  it('test getIndex', function(){
+    var sTree = new SBTree();
+    for (let i = 0; i < 10000; ++i) {
+      let key = i.toString();
+      sTree.push(key);
+    }
+
+    for (let i=0; i<100; ++i) {
+      let item = sTree.get(i);
+      expect(item.value).toBe(i.toString());
+      expect(sTree.getIndex(item)).toBe(i);
+    }
+  });
 });

From 2854031afb64c42ff5e113b074df90a7d864825f Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Sat, 14 Nov 2015 01:32:28 +0800
Subject: [PATCH 210/337] Replace let with var

---
 src/data-structures/size-balanced-tree.js | 24 +++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/src/data-structures/size-balanced-tree.js b/src/data-structures/size-balanced-tree.js
index 1bb55315..e4ac88d3 100644
--- a/src/data-structures/size-balanced-tree.js
+++ b/src/data-structures/size-balanced-tree.js
@@ -74,7 +74,7 @@
   exports.Nil = Nil;
 
   function updateChild(node, newChild) {
-    let parent = node.parent;
+    var parent = node.parent;
     if (parent !== Nil) {
       if (parent.right === node) {
         parent.right = newChild;
@@ -172,7 +172,7 @@
 
   function maintainSizeBalancedTree(node) {
     while (node.parent !== Nil) {
-      let childNode = node;
+      var childNode = node;
       node = node.parent;
       if (node.left == childNode) {
         node = maintain(node, true);
@@ -236,8 +236,8 @@
    * @param {Object} value Value.
    */
   exports.SBTree.prototype.push = function (value) {
-    let node = findRightMost(this._root);
-    let newNode = new Node(value, node, Nil, Nil, 1);
+    var node = findRightMost(this._root);
+    var newNode = new Node(value, node, Nil, Nil, 1);
     if (node !== Nil) node.right = newNode;
     this._root = maintainSizeBalancedTree(newNode);
     return newNode;
@@ -251,9 +251,9 @@
   };
 
   exports.SBTree.prototype.getIndex = function(node) {
-    let index = node.left.size;
+    var index = node.left.size;
     while (node != this._root) {
-      let parent = node.parent;
+      var parent = node.parent;
       if (parent.right === node) {
         index += parent.left.size + 1;
       }
@@ -266,8 +266,8 @@
     if (pos >= this._root.size) {
       return this.push(value)
     }
-    let node = findNodeAtPos(this._root, pos);
-    let newNode
+    var node = findNodeAtPos(this._root, pos);
+    var newNode
     if (node.left === Nil) {
       newNode = new Node(value, node, Nil, Nil, 1);
       node.left = newNode;
@@ -284,8 +284,8 @@
     if (pos >= this._root.size) {
       return Nil; // There is no element to remove
     }
-    let node = findNodeAtPos(this._root, pos);
-    let maintainNode;
+    var node = findNodeAtPos(this._root, pos);
+    var maintainNode;
 
     /*
       Before remove:
@@ -313,7 +313,7 @@
         
     */
     if (node.left !== Nil){
-      let LRM = findRightMost(node.left);
+      var LRM = findRightMost(node.left);
       updateChild(node, node.left)
       LRM.right = node.right
       if (LRM.right === Nil) {
@@ -323,7 +323,7 @@
         maintainNode = LRM.right;
       }
     } else if (node.right !== Nil) {
-      let RLM = findLeftMost(node.right);
+      var RLM = findLeftMost(node.right);
       updateChild(node, node.right)
       RLM.left = node.left
       if (RLM.left === Nil) {

From d3673b0bb9e7e2e098ed99742770dbea5e81e985 Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Sat, 14 Nov 2015 01:50:04 +0800
Subject: [PATCH 211/337] Pass the whole gulp build.

---
 src/data-structures/size-balanced-tree.js     | 66 ++++++++++---------
 .../size-balanced-tree.spec.js                | 13 ++--
 2 files changed, 41 insertions(+), 38 deletions(-)

diff --git a/src/data-structures/size-balanced-tree.js b/src/data-structures/size-balanced-tree.js
index e4ac88d3..314a1ca4 100644
--- a/src/data-structures/size-balanced-tree.js
+++ b/src/data-structures/size-balanced-tree.js
@@ -30,11 +30,8 @@
  * @module data-structures/size-balanced-tree
  */
 (function (exports) {
-
   'use strict';
 
-  
-
   /**
    * Node of the Size-Balanced tree.
    *
@@ -101,14 +98,16 @@
 
         childNode
          /   \
-       node  CR 
+       node  CR
        /  \
       NL  CL
     */
     node.right = childNode.left;
-    if (node.right !== Nil) node.right.parent = node;
+    if (node.right !== Nil) {
+      node.right.parent = node;
+    }
     childNode.left = node;
-    updateChild(node, childNode) //Access node.parent
+    updateChild(node, childNode); //Access node.parent
     node.parent = childNode;
     node.updateSize();
     return childNode;
@@ -126,14 +125,16 @@
 
         childNode
          /   \
-       CL    node 
+       CL    node
              / \
             CR  NR
     */
     node.left = childNode.right;
-    if (node.left !== Nil) node.left.parent = node;
+    if (node.left !== Nil) {
+      node.left.parent = node;
+    }
     childNode.right = node;
-    updateChild(node, childNode) //Access node.parent
+    updateChild(node, childNode); //Access node.parent
     node.parent = childNode;
     node.updateSize();
     return childNode;
@@ -174,7 +175,7 @@
     while (node.parent !== Nil) {
       var childNode = node;
       node = node.parent;
-      if (node.left == childNode) {
+      if (node.left === childNode) {
         node = maintain(node, true);
       } else {
         node = maintain(node, false);
@@ -198,12 +199,12 @@
   }
 
   function findNodeAtPos(node, pos) {
-    while (pos != node.left.size) {
+    while (pos !== node.left.size) {
       if (pos < node.left.size) {
         node = node.left;
       } else {
         pos -= node.left.size;
-        --pos; //The node element should be decrement by 1
+        pos -= 1; //The node element should be decrement by 1
         node = node.right;
       }
     }
@@ -220,13 +221,12 @@
     this._root = Nil;
   };
 
-  
   exports.SBTree.prototype = {
     get size() {
       return this._root.size;
     },
-  }
- 
+  };
+
   /**
    * Push a value to the end of tree.<br><br>
    * Complexity: O(log N).
@@ -238,21 +238,23 @@
   exports.SBTree.prototype.push = function (value) {
     var node = findRightMost(this._root);
     var newNode = new Node(value, node, Nil, Nil, 1);
-    if (node !== Nil) node.right = newNode;
+    if (node !== Nil) {
+      node.right = newNode;
+    }
     this._root = maintainSizeBalancedTree(newNode);
     return newNode;
   };
 
-  exports.SBTree.prototype.get = function(pos) {
+  exports.SBTree.prototype.get = function (pos) {
     if (pos >= this._root.size) {
       return Nil;
     }
     return findNodeAtPos(this._root, pos);
   };
 
-  exports.SBTree.prototype.getIndex = function(node) {
+  exports.SBTree.prototype.getIndex = function (node) {
     var index = node.left.size;
-    while (node != this._root) {
+    while (node !== this._root) {
       var parent = node.parent;
       if (parent.right === node) {
         index += parent.left.size + 1;
@@ -262,12 +264,12 @@
     return index;
   };
 
-  exports.SBTree.prototype.insert = function(pos, value) {
+  exports.SBTree.prototype.insert = function (pos, value) {
     if (pos >= this._root.size) {
-      return this.push(value)
+      return this.push(value);
     }
     var node = findNodeAtPos(this._root, pos);
-    var newNode
+    var newNode;
     if (node.left === Nil) {
       newNode = new Node(value, node, Nil, Nil, 1);
       node.left = newNode;
@@ -280,7 +282,7 @@
     return newNode;
   };
 
-  exports.SBTree.prototype.remove = function(pos) {
+  exports.SBTree.prototype.remove = function (pos) {
     if (pos >= this._root.size) {
       return Nil; // There is no element to remove
     }
@@ -289,7 +291,8 @@
 
     /*
       Before remove:
-          P(node's parent, be notices, N either be left child or right child of P)
+          P (node's parent, be notices,
+          |   N either be left child or right child of P)
           |
           N(node)
          / \
@@ -302,7 +305,7 @@
       After remove node N:
             P(node's parent)
            /
-          L   
+          L
            \
             \
              LRM(Left-Rightmost)
@@ -310,12 +313,12 @@
                R
 
         N(node) is wild node that was removed
-        
+
     */
     if (node.left !== Nil){
       var LRM = findRightMost(node.left);
-      updateChild(node, node.left)
-      LRM.right = node.right
+      updateChild(node, node.left);
+      LRM.right = node.right;
       if (LRM.right === Nil) {
         maintainNode = LRM;
       } else {
@@ -324,8 +327,8 @@
       }
     } else if (node.right !== Nil) {
       var RLM = findLeftMost(node.right);
-      updateChild(node, node.right)
-      RLM.left = node.left
+      updateChild(node, node.right);
+      RLM.left = node.left;
       if (RLM.left === Nil) {
         maintainNode = RLM;
       } else {
@@ -333,12 +336,11 @@
         maintainNode = RLM.left;
       }
     } else {
-      updateChild(node, Nil)
+      updateChild(node, Nil);
       maintainNode = node.parent;
     }
     this._root = maintainSizeBalancedTree(maintainNode);
     return node;
   };
 
-
 })(typeof module === 'undefined' ? window : module.exports);
diff --git a/test/data-structures/size-balanced-tree.spec.js b/test/data-structures/size-balanced-tree.spec.js
index d1280bd0..1f3f07f6 100644
--- a/test/data-structures/size-balanced-tree.spec.js
+++ b/test/data-structures/size-balanced-tree.spec.js
@@ -62,7 +62,8 @@ describe('SBTree', function () {
     expect(Nil.parent).toBe(Nil);
     expect(Nil.value).toBe(null);
   }
-  it('test updateChild', function() {
+
+  it('test updateChild', function () {
     updateChild(Nil, Nil);
     checkNil();
     var root = new Node(10, Nil, Nil, Nil, 1);
@@ -149,15 +150,15 @@ describe('SBTree', function () {
     checkNil();
   });
 
-  it('test getIndex', function(){
+  it('test getIndex', function () {
     var sTree = new SBTree();
-    for (let i = 0; i < 10000; ++i) {
-      let key = i.toString();
+    for (var i = 0; i < 10000; ++i) {
+      var key = i.toString();
       sTree.push(key);
     }
 
-    for (let i=0; i<100; ++i) {
-      let item = sTree.get(i);
+    for (var i = 0; i < 100; ++i) {
+      var item = sTree.get(i);
       expect(item.value).toBe(i.toString());
       expect(sTree.getIndex(item)).toBe(i);
     }

From 521904fdb3b99ae34b432307ff51a73c4edeb59b Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 14 Nov 2015 11:10:01 +0200
Subject: [PATCH 212/337] Update node versions in travis

---
 .travis.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 207c6cac..a9ff642d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,6 @@
 language: node_js
 node_js:
-  - "0.11"
-  - "0.10"
+  - "0.12"
 before_script:
   - npm install -g gulp
 script: gulp build
\ No newline at end of file

From 51b9215911dc5e9e90bb64733b9cebfafdcedfc6 Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Sat, 14 Nov 2015 01:56:36 +0800
Subject: [PATCH 213/337] Use node 0.12

---
 .travis.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 207c6cac..a9ff642d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,6 @@
 language: node_js
 node_js:
-  - "0.11"
-  - "0.10"
+  - "0.12"
 before_script:
   - npm install -g gulp
 script: gulp build
\ No newline at end of file

From efeda272b54b81ea642cdd10756d7be911a4f4f0 Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Tue, 5 Jan 2016 22:33:14 +0800
Subject: [PATCH 214/337] Add binarySearch function.

---
 src/data-structures/size-balanced-tree.js     | 147 +++++++++++-------
 .../size-balanced-tree.spec.js                |  15 ++
 2 files changed, 110 insertions(+), 52 deletions(-)

diff --git a/src/data-structures/size-balanced-tree.js b/src/data-structures/size-balanced-tree.js
index 314a1ca4..073fbfc0 100644
--- a/src/data-structures/size-balanced-tree.js
+++ b/src/data-structures/size-balanced-tree.js
@@ -1,3 +1,5 @@
+'use strict';
+
 /**
  * Size balanced tree is a data structure which is
  * a type of self-balancing binary search tree that use
@@ -29,47 +31,8 @@
  *
  * @module data-structures/size-balanced-tree
  */
-(function (exports) {
-  'use strict';
-
-  /**
-   * Node of the Size-Balanced tree.
-   *
-   * @private
-   * @constructor
-   * @param {Object} value Value assigned to the node.
-   * @param {Node} parent Parent node.
-   * @param {Node} left Left node.
-   * @param {Node} right Right node.
-   * @param {Number} size Node's, means the Node count of this subtree.
-   */
-  function Node(value, parent, left, right, size) {
-    this.value = value;
-    this.parent = parent;
-    this.left = left;
-    this.right = right;
-    this.size = size;
-    this.height = 0;
-  }
-
-  /**
-   * Update node's size.
-   *
-   * @private
-   * @method
-   */
-  Node.prototype.updateSize = function () {
-    this.size = this.left.size + this.right.size + 1;
-    this.height = Math.max(this.left.height, this.right.height) + 1;
-  };
-
-  exports.Node = Node;
-  var Nil = new Node(null, null, null, null, 0);
-  Nil.parent = Nil;
-  Nil.left = Nil;
-  Nil.right = Nil;
-  exports.Nil = Nil;
 
+function CreateSBTreeClass (Node, Nil) {
   function updateChild(node, newChild) {
     var parent = node.parent;
     if (parent !== Nil) {
@@ -84,7 +47,6 @@
       newChild.parent = parent;
     }
   }
-  exports.updateChild = updateChild;
 
   function LeftRotate(node, childNode) {
     /*
@@ -212,30 +174,49 @@
   }
 
   /**
-   * Red-Black Tree.
+   * Size Balanced Tree.
    *
    * @public
    * @constructor
    */
-  exports.SBTree = function () {
-    this._root = Nil;
-  };
+  var SBTree = function () {};
 
-  exports.SBTree.prototype = {
+  SBTree.prototype = {
+    _root: Nil,
+    updateChild: updateChild,
     get size() {
       return this._root.size;
     },
+
+    get root() {
+      return this._root;
+    },
+
+    binarySearch: function (cmp, value) {
+      var left = -1;
+      var right = this.size;
+      while (left + 1 < right) {
+        var middle = (left + right) >> 1; // jshint ignore:line
+        var result = cmp(this.get(middle).value, value);
+        if (result <= 0) {
+          left = middle;
+        } else {
+          right = middle;
+        }
+      }
+      return left + 1;
+    },
   };
 
   /**
-   * Push a value to the end of tree.<br><br>
+   * Push a value to the end of tree.
    * Complexity: O(log N).
    *
    * @public
    * @method
    * @param {Object} value Value.
    */
-  exports.SBTree.prototype.push = function (value) {
+  SBTree.prototype.push = function (value) {
     var node = findRightMost(this._root);
     var newNode = new Node(value, node, Nil, Nil, 1);
     if (node !== Nil) {
@@ -245,14 +226,14 @@
     return newNode;
   };
 
-  exports.SBTree.prototype.get = function (pos) {
+  SBTree.prototype.get = function (pos) {
     if (pos >= this._root.size) {
       return Nil;
     }
     return findNodeAtPos(this._root, pos);
   };
 
-  exports.SBTree.prototype.getIndex = function (node) {
+  SBTree.prototype.getIndex = function (node) {
     var index = node.left.size;
     while (node !== this._root) {
       var parent = node.parent;
@@ -264,7 +245,7 @@
     return index;
   };
 
-  exports.SBTree.prototype.insert = function (pos, value) {
+  SBTree.prototype.insert = function (pos, value) {
     if (pos >= this._root.size) {
       return this.push(value);
     }
@@ -282,7 +263,7 @@
     return newNode;
   };
 
-  exports.SBTree.prototype.remove = function (pos) {
+  SBTree.prototype.remove = function (pos) {
     if (pos >= this._root.size) {
       return Nil; // There is no element to remove
     }
@@ -343,4 +324,66 @@
     return node;
   };
 
+  return SBTree;
+}
+
+(function (exports) {
+
+  /**
+   * Node constructor of the Size-Balanced tree.
+   *
+   * @private
+   * @constructor
+   * @param {Object} value Value assigned to the node.
+   * @param {Node} parent Parent node.
+   * @param {Node} left Left node.
+   * @param {Node} right Right node.
+   * @param {Number} size Node's, means the Node count of this  .
+   */
+  var NodeConstructor = function (value, parent, left, right, size) {
+    this.value = value;
+    this.parent = parent;
+    this.left = left;
+    this.right = right;
+    this.size = size;
+    this.height = 0;
+  };
+
+  /**
+   * Update node's size.
+   *
+   * @private
+   * @method
+   */
+  var updateSize = function () {
+    this.size = this.left.size + this.right.size + 1;
+    this.height = Math.max(this.left.height, this.right.height) + 1;
+  };
+
+  var createNil = function (Node, value) {
+    var Nil = new Node(value, null, null, null, 0);
+    Nil.parent = Nil;
+    Nil.left = Nil;
+    Nil.right = Nil;
+    return Nil;
+  };
+
+  var Node = function () {
+    NodeConstructor.apply(this, arguments);
+  };
+
+  Node.prototype.updateSize = updateSize;
+
+  var Nil = createNil(Node, null);
+
+  exports.NodeConstructor = NodeConstructor;
+  exports.createNil = createNil;
+  exports.updateSize = updateSize;
+  exports.CreateSBTreeClass = CreateSBTreeClass;
+
+  exports.Node = Node;
+  exports.Nil = Nil;
+  exports.SBTree = CreateSBTreeClass(Node, Nil);
+  exports.updateChild = exports.SBTree.prototype.updateChild;
+
 })(typeof module === 'undefined' ? window : module.exports);
diff --git a/test/data-structures/size-balanced-tree.spec.js b/test/data-structures/size-balanced-tree.spec.js
index 1f3f07f6..ac41c70f 100644
--- a/test/data-structures/size-balanced-tree.spec.js
+++ b/test/data-structures/size-balanced-tree.spec.js
@@ -163,4 +163,19 @@ describe('SBTree', function () {
       expect(sTree.getIndex(item)).toBe(i);
     }
   });
+
+  it('test binary search', function () {
+    var sTree = new SBTree();
+    for (var i = 0; i < 10000; ++i) {
+      sTree.push(i);
+    }
+    var cmp = function (a, b) {
+      return a - b;
+    }
+    expect(sTree.binarySearch(cmp, 10.5)).toBe(11)
+    expect(sTree.binarySearch(cmp, 0)).toBe(1)
+    expect(sTree.binarySearch(cmp, -1)).toBe(0)
+    expect(sTree.binarySearch(cmp, 9999)).toBe(10000)
+    expect(sTree.binarySearch(cmp, 10000)).toBe(10000)
+  });
 });

From bddeca7579f1f748d68dbbf2c43359489679c7f7 Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Wed, 6 Jan 2016 16:25:48 +0800
Subject: [PATCH 215/337] Now the updateChild could be able override by
 external code. and along with insertLeafNode & removeLeafNode

---
 src/data-structures/size-balanced-tree.js     | 241 ++++++++----------
 .../size-balanced-tree.spec.js                |   8 +-
 2 files changed, 112 insertions(+), 137 deletions(-)

diff --git a/src/data-structures/size-balanced-tree.js b/src/data-structures/size-balanced-tree.js
index 073fbfc0..93ccd198 100644
--- a/src/data-structures/size-balanced-tree.js
+++ b/src/data-structures/size-balanced-tree.js
@@ -32,22 +32,7 @@
  * @module data-structures/size-balanced-tree
  */
 
-function CreateSBTreeClass (Node, Nil) {
-  function updateChild(node, newChild) {
-    var parent = node.parent;
-    if (parent !== Nil) {
-      if (parent.right === node) {
-        parent.right = newChild;
-      } else {
-        parent.left = newChild;
-      }
-      parent.updateSize();
-    }
-    if (newChild !== Nil) {
-      newChild.parent = parent;
-    }
-  }
-
+function CreateSBTreeClass (Node, Nil, updateChild) {
   function LeftRotate(node, childNode) {
     /*
       Before rotate:
@@ -69,9 +54,8 @@ function CreateSBTreeClass (Node, Nil) {
       node.right.parent = node;
     }
     childNode.left = node;
-    updateChild(node, childNode); //Access node.parent
-    node.parent = childNode;
-    node.updateSize();
+    // setting childNode's parent to node's parent
+    updateChild(node, childNode);
     return childNode;
   }
 
@@ -96,9 +80,8 @@ function CreateSBTreeClass (Node, Nil) {
       node.left.parent = node;
     }
     childNode.right = node;
-    updateChild(node, childNode); //Access node.parent
-    node.parent = childNode;
-    node.updateSize();
+    // setting childNode's parent to node's parent
+    updateChild(node, childNode);
     return childNode;
   }
 
@@ -122,7 +105,6 @@ function CreateSBTreeClass (Node, Nil) {
         node = LeftRotate(node, node.right);
       }
     }
-    node.updateSize();
     if (node === savedNode) {
       return node;
     }
@@ -146,20 +128,6 @@ function CreateSBTreeClass (Node, Nil) {
     return node;
   }
 
-  function findRightMost(node) {
-    while (node.right !== Nil) {
-      node = node.right;
-    }
-    return node;
-  }
-
-  function findLeftMost(node) {
-    while (node.left !== Nil) {
-      node = node.left;
-    }
-    return node;
-  }
-
   function findNodeAtPos(node, pos) {
     while (pos !== node.left.size) {
       if (pos < node.left.size) {
@@ -183,7 +151,6 @@ function CreateSBTreeClass (Node, Nil) {
 
   SBTree.prototype = {
     _root: Nil,
-    updateChild: updateChild,
     get size() {
       return this._root.size;
     },
@@ -208,26 +175,8 @@ function CreateSBTreeClass (Node, Nil) {
     },
   };
 
-  /**
-   * Push a value to the end of tree.
-   * Complexity: O(log N).
-   *
-   * @public
-   * @method
-   * @param {Object} value Value.
-   */
-  SBTree.prototype.push = function (value) {
-    var node = findRightMost(this._root);
-    var newNode = new Node(value, node, Nil, Nil, 1);
-    if (node !== Nil) {
-      node.right = newNode;
-    }
-    this._root = maintainSizeBalancedTree(newNode);
-    return newNode;
-  };
-
   SBTree.prototype.get = function (pos) {
-    if (pos >= this._root.size) {
+    if (pos >= this.size) {
       return Nil;
     }
     return findNodeAtPos(this._root, pos);
@@ -245,83 +194,97 @@ function CreateSBTreeClass (Node, Nil) {
     return index;
   };
 
-  SBTree.prototype.insert = function (pos, value) {
-    if (pos >= this._root.size) {
-      return this.push(value);
+  SBTree.prototype.shiftDown = function (node) {
+    var direction = 0;
+    while (true) {
+      if (node.left !== Nil && node.right !== Nil) {
+        switch (direction) {
+          case 0:
+            RightRotate(node, node.left);
+            break;
+          case 1:
+            LeftRotate(node, node.right);
+            break;
+        }
+        direction = 1 - direction;
+      } else if (node.left !== Nil) {
+        RightRotate(node, node.left);
+      } else if (node.right !== Nil) {
+        LeftRotate(node, node.right);
+      } else {
+        break; // The node could be able to removed
+      }
     }
-    var node = findNodeAtPos(this._root, pos);
-    var newNode;
-    if (node.left === Nil) {
-      newNode = new Node(value, node, Nil, Nil, 1);
-      node.left = newNode;
+  };
+
+  SBTree.prototype.insertLeafNode = function (node) {
+    var parent = node.parent;
+    while (parent !== Nil) {
+      parent.size = parent.size + 1;
+      parent = parent.parent;
+    }
+  };
+
+  SBTree.prototype.removeLeafNode = function (node) {
+    var parent = node.parent;
+    while (parent !== Nil) {
+      parent.size = parent.size - 1;
+      parent = parent.parent;
+    }
+  };
+
+  SBTree.prototype.insert = function (pos, value) {
+    var node = Nil;
+    var newNode = new Node(value, Nil, Nil, Nil, 1);
+    if (pos === this.size) {
+      if (pos > 0) {
+        node = findNodeAtPos(this._root, pos - 1);
+        node.right = newNode;
+      }
     } else {
-      node = findRightMost(node.left);
-      newNode = new Node(value, node, Nil, Nil, 1);
-      node.right = newNode;
+      node = findNodeAtPos(this._root, pos);
+      if (node.left !== Nil) {
+        this.shiftDown(node);
+      }
+      node.left = newNode;
     }
+    newNode.parent = node;
+    this.insertLeafNode(newNode);
     this._root = maintainSizeBalancedTree(newNode);
     return newNode;
   };
 
+  /**
+   * Push a value to the end of tree.
+   * Complexity: O(log N).
+   *
+   * @public
+   * @method
+   * @param {Object} value Value.
+   */
+  SBTree.prototype.push = function (value) {
+    this.insert(this.size, value);
+  };
+
+  SBTree.prototype.removeNode = function (node) {
+    this.shiftDown(node);
+    var maintainNode = node.parent;
+    if (maintainNode.left === node) {
+      maintainNode.left = Nil;
+    } else if (maintainNode.right === node) {
+      maintainNode.right = Nil;
+    }
+    this.removeLeafNode(node);
+    this._root = maintainSizeBalancedTree(maintainNode);
+    return node;
+  };
+
   SBTree.prototype.remove = function (pos) {
     if (pos >= this._root.size) {
       return Nil; // There is no element to remove
     }
     var node = findNodeAtPos(this._root, pos);
-    var maintainNode;
-
-    /*
-      Before remove:
-          P (node's parent, be notices,
-          |   N either be left child or right child of P)
-          |
-          N(node)
-         / \
-        L   R
-         \
-          \
-           LRM(Left-Rightmost)
-            \
-             Nil
-      After remove node N:
-            P(node's parent)
-           /
-          L
-           \
-            \
-             LRM(Left-Rightmost)
-              \
-               R
-
-        N(node) is wild node that was removed
-
-    */
-    if (node.left !== Nil){
-      var LRM = findRightMost(node.left);
-      updateChild(node, node.left);
-      LRM.right = node.right;
-      if (LRM.right === Nil) {
-        maintainNode = LRM;
-      } else {
-        LRM.right.parent = LRM;
-        maintainNode = LRM.right;
-      }
-    } else if (node.right !== Nil) {
-      var RLM = findLeftMost(node.right);
-      updateChild(node, node.right);
-      RLM.left = node.left;
-      if (RLM.left === Nil) {
-        maintainNode = RLM;
-      } else {
-        RLM.left.parent = RLM;
-        maintainNode = RLM.left;
-      }
-    } else {
-      updateChild(node, Nil);
-      maintainNode = node.parent;
-    }
-    this._root = maintainSizeBalancedTree(maintainNode);
-    return node;
+    return this.removeNode(node);
   };
 
   return SBTree;
@@ -349,6 +312,14 @@ function CreateSBTreeClass (Node, Nil) {
     this.height = 0;
   };
 
+  var createNil = function (Node, value) {
+    var Nil = new Node(value, null, null, null, 0);
+    Nil.parent = Nil;
+    Nil.left = Nil;
+    Nil.right = Nil;
+    return Nil;
+  };
+
   /**
    * Update node's size.
    *
@@ -360,12 +331,22 @@ function CreateSBTreeClass (Node, Nil) {
     this.height = Math.max(this.left.height, this.right.height) + 1;
   };
 
-  var createNil = function (Node, value) {
-    var Nil = new Node(value, null, null, null, 0);
-    Nil.parent = Nil;
-    Nil.left = Nil;
-    Nil.right = Nil;
-    return Nil;
+  // node, childNode must not be Nil,
+  // if the childNode turn out to be the root, the parent should be Nil
+  var updateChild = function (node, childNode) {
+    var parent = node.parent;
+    node.parent = childNode;
+    childNode.parent = parent;
+
+    node.updateSize();
+    childNode.updateSize();
+    if (parent.right === node) {
+      parent.right = childNode;
+      parent.updateSize();
+    } else if (parent.left === node) {
+      parent.left = childNode;
+      parent.updateSize();
+    } // otherwise parent is Nil
   };
 
   var Node = function () {
@@ -379,11 +360,11 @@ function CreateSBTreeClass (Node, Nil) {
   exports.NodeConstructor = NodeConstructor;
   exports.createNil = createNil;
   exports.updateSize = updateSize;
+  exports.updateChild = updateChild;
   exports.CreateSBTreeClass = CreateSBTreeClass;
 
   exports.Node = Node;
   exports.Nil = Nil;
-  exports.SBTree = CreateSBTreeClass(Node, Nil);
-  exports.updateChild = exports.SBTree.prototype.updateChild;
+  exports.SBTree = CreateSBTreeClass(Node, Nil, updateChild);
 
 })(typeof module === 'undefined' ? window : module.exports);
diff --git a/test/data-structures/size-balanced-tree.spec.js b/test/data-structures/size-balanced-tree.spec.js
index ac41c70f..5d55dfa4 100644
--- a/test/data-structures/size-balanced-tree.spec.js
+++ b/test/data-structures/size-balanced-tree.spec.js
@@ -64,7 +64,6 @@ describe('SBTree', function () {
   }
 
   it('test updateChild', function () {
-    updateChild(Nil, Nil);
     checkNil();
     var root = new Node(10, Nil, Nil, Nil, 1);
     var left = new Node(5, root, Nil, Nil, 1);
@@ -80,12 +79,7 @@ describe('SBTree', function () {
     updateChild(left, leftLeft);
     expect(leftLeft.parent).toBe(root);
     expect(root.left).toBe(leftLeft);
-    updateChild(leftLeft, Nil);
-    checkNil();
-    expect(root.left).toBe(Nil);
-    expect(root.size).toBe(2);
-    updateChild(Nil, right);
-    expect(right.parent).toBe(Nil);
+    expect(root.left.size).toBe(1);
     checkNil();
   });
   // Returns a random integer between min (included) and max (excluded)

From 3d9d535d210852af596e1bddffe393d2b756b881 Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Wed, 6 Jan 2016 16:58:39 +0800
Subject: [PATCH 216/337] Do not check height.

---
 src/data-structures/size-balanced-tree.js       | 2 --
 test/data-structures/size-balanced-tree.spec.js | 1 -
 2 files changed, 3 deletions(-)

diff --git a/src/data-structures/size-balanced-tree.js b/src/data-structures/size-balanced-tree.js
index 93ccd198..2eb60c58 100644
--- a/src/data-structures/size-balanced-tree.js
+++ b/src/data-structures/size-balanced-tree.js
@@ -309,7 +309,6 @@ function CreateSBTreeClass (Node, Nil, updateChild) {
     this.left = left;
     this.right = right;
     this.size = size;
-    this.height = 0;
   };
 
   var createNil = function (Node, value) {
@@ -328,7 +327,6 @@ function CreateSBTreeClass (Node, Nil, updateChild) {
    */
   var updateSize = function () {
     this.size = this.left.size + this.right.size + 1;
-    this.height = Math.max(this.left.height, this.right.height) + 1;
   };
 
   // node, childNode must not be Nil,
diff --git a/test/data-structures/size-balanced-tree.spec.js b/test/data-structures/size-balanced-tree.spec.js
index 5d55dfa4..dff072e7 100644
--- a/test/data-structures/size-balanced-tree.spec.js
+++ b/test/data-structures/size-balanced-tree.spec.js
@@ -103,7 +103,6 @@ describe('SBTree', function () {
       var node = sTree.get(i);
       expect(node.value).toBe(i);
     }
-    expect(sTree._root.height).toBe(18);
     for (var i = 0; i < 200000; ++i) {
       expect(sTree.get(0).value).toBe(i);
       var node = sTree.remove(0); // Always remove the first element;

From bbfebd0084a69441596068d904cf4e230509e120 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Wed, 3 Feb 2016 10:53:55 +0200
Subject: [PATCH 217/337] Fix linting errors

---
 src/data-structures/interval-tree.js   | 10 ++++----
 src/graphics/bresenham-line-drawing.js | 18 +++++++--------
 src/graphs/spanning-trees/prim.js      | 18 +++++++--------
 src/searching/binarysearch.js          |  5 ++--
 src/sorting/quicksort.js               | 32 +++++++++++++-------------
 5 files changed, 42 insertions(+), 41 deletions(-)

diff --git a/src/data-structures/interval-tree.js b/src/data-structures/interval-tree.js
index bd247188..9f5c1835 100644
--- a/src/data-structures/interval-tree.js
+++ b/src/data-structures/interval-tree.js
@@ -151,6 +151,11 @@
     return contains(point, this.root);
   };
 
+  function intersects(a, b) {
+    return (a[0] <= b[0] && a[1] >= b[0]) || (a[0] <= b[1] && a[1] >= b[1]) ||
+      (b[0] <= a[0] && b[1] >= a[0]) || (b[0] <= a[1] && b[1] >= a[1]);
+  }
+
   function intersectsHelper(interval, node) {
     if (!node) {
       return false;
@@ -169,11 +174,6 @@
     return result;
   }
 
-  function intersects(a, b) {
-    return (a[0] <= b[0] && a[1] >= b[0]) || (a[0] <= b[1] && a[1] >= b[1]) ||
-           (b[0] <= a[0] && b[1] >= a[0]) || (b[0] <= a[1] && b[1] >= a[1]);
-  }
-
   /**
    * Checks or interval belongs to at least one intarval from the tree.<br><br>
    * Complexity: O(log N).
diff --git a/src/graphics/bresenham-line-drawing.js b/src/graphics/bresenham-line-drawing.js
index 099cd694..2317b70c 100644
--- a/src/graphics/bresenham-line-drawing.js
+++ b/src/graphics/bresenham-line-drawing.js
@@ -1,6 +1,15 @@
 (function (exports) {
   'use strict';
 
+  /**
+   * Draws (prints) the given coordinates
+   * @param  {number} x The first coordinate of the point
+   * @param  {number} y The second coordinate of the point
+   */
+  function drawPoint(x, y) {
+    console.log(x, y);
+  }
+
   /**
    * Bresenham's line drawing algorithm.
    * It has complexity O(n)
@@ -33,15 +42,6 @@
     }
   }
 
-  /**
-   * Draws (prints) the given coordinates
-   * @param  {number} x The first coordinate of the point
-   * @param  {number} y The second coordinate of the point
-   */
-  function drawPoint(x, y) {
-    console.log(x, y);
-  }
-
   exports.drawLine = drawLine;
 
 }(typeof exports === 'undefined' ? window : exports));
diff --git a/src/graphs/spanning-trees/prim.js b/src/graphs/spanning-trees/prim.js
index f0bb9bc4..cd915d48 100644
--- a/src/graphs/spanning-trees/prim.js
+++ b/src/graphs/spanning-trees/prim.js
@@ -71,15 +71,6 @@
   exports.Graph.prototype.prim = (function () {
     var queue;
 
-    /**
-     * Initialize the algorithm.
-     *
-     * @private
-     */
-    function init() {
-      queue = new Heap(compareEdges);
-    }
-
     /**
      * Used for comparitions in the heap
      *
@@ -94,6 +85,15 @@
       return b.distance - a.distance;
     }
 
+    /**
+     * Initialize the algorithm.
+     *
+     * @private
+     */
+    function init() {
+      queue = new Heap(compareEdges);
+    }
+
     return function () {
       init.call(this);
       var inTheTree = {};
diff --git a/src/searching/binarysearch.js b/src/searching/binarysearch.js
index d871ee56..1536acc6 100644
--- a/src/searching/binarysearch.js
+++ b/src/searching/binarysearch.js
@@ -1,6 +1,9 @@
 (function (exports) {
   'use strict';
 
+  function id (val) { return val; }
+  function get (key) { return function (val) { return val[key]; }; }
+
   /**
    * Searchs for specific element in a given array using
    * the binary search algorithm.<br><br>
@@ -37,8 +40,6 @@
     }
     return -middle - 1;
   }
-  function id (val) { return val; }
-  function get (key) { return function (val) { return val[key]; }; }
 
   exports.binarySearch = binarySearch;
 
diff --git a/src/sorting/quicksort.js b/src/sorting/quicksort.js
index 8a645323..b54a84df 100644
--- a/src/sorting/quicksort.js
+++ b/src/sorting/quicksort.js
@@ -13,6 +13,22 @@
       return a - b;
     }
 
+    /**
+     * Swap the places of two elements
+     *
+     * @private
+     * @param {array} array The array which contains the elements
+     * @param {number} i The index of the first element
+     * @param {number} j The index of the second element
+     * @returns {array} array The array with swaped elements
+     */
+    function swap(array, i, j) {
+      var temp = array[i];
+      array[i] = array[j];
+      array[j] = temp;
+      return array;
+    }
+
     /**
      * Partitions given subarray using Lomuto's partitioning algorithm.
      *
@@ -35,22 +51,6 @@
       return minEnd;
     }
 
-    /**
-     * Swap the places of two elements
-     *
-     * @private
-     * @param {array} array The array which contains the elements
-     * @param {number} i The index of the first element
-     * @param {number} j The index of the second element
-     * @returns {array} array The array with swaped elements
-     */
-    function swap(array, i, j) {
-      var temp = array[i];
-      array[i] = array[j];
-      array[j] = temp;
-      return array;
-    }
-
     /**
      * Sorts given array.
      *

From f63c6d31dc4ff8bb46690d9f2180adeacbcc014f Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Wed, 3 Feb 2016 11:02:00 +0200
Subject: [PATCH 218/337] Fix linting errors

---
 src/graphics/bresenham-line-drawing.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/graphics/bresenham-line-drawing.js b/src/graphics/bresenham-line-drawing.js
index 2317b70c..73267f32 100644
--- a/src/graphics/bresenham-line-drawing.js
+++ b/src/graphics/bresenham-line-drawing.js
@@ -20,7 +20,7 @@
    * @param  {function} draw Optional custom drawing function.
    */
   function drawLine(x1, y1, x2, y2, draw) {
-    drawPoint = draw || drawPoint;
+    var drawPointStrategy = draw || drawPoint;
     var dx = Math.abs(x2 - x1);
     var dy = Math.abs(y2 - y1);
     var cx = (x1 < x2) ? 1 : -1;
@@ -29,7 +29,7 @@
     var doubledError;
 
     while (x1 !== x2 || y1 !== y2) {
-      drawPoint(x1, y1);
+      drawPointStrategy(x1, y1);
       doubledError = error + error;
       if (doubledError > -dy) {
         error -= dy;

From aa9beea701783f12011448d7bfda620a4768e449 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 9 Apr 2016 13:27:50 +0300
Subject: [PATCH 219/337] docs(contributors): update the list of contributors

---
 readme.md | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/readme.md b/readme.md
index a26a6052..6464dc3f 100644
--- a/readme.md
+++ b/readme.md
@@ -71,17 +71,17 @@ If the build is not successful fix your code in order the tests and jshint valid
 
 ## Contributors
 
-[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="FilipeFalcaoBatista" src="https://avatars.githubusercontent.com/u/9125631?v=3&s=117" width="117">](https://github.com/FilipeFalcaoBatista) |[<img alt="lekkas" src="https://avatars.githubusercontent.com/u/5211478?v=3&s=117" width="117">](https://github.com/lekkas) |
+[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="lygstate" src="https://avatars.githubusercontent.com/u/121040?v=3&s=117" width="117">](https://github.com/lygstate) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="filipefalcaos" src="https://avatars.githubusercontent.com/u/9125631?v=3&s=117" width="117">](https://github.com/filipefalcaos) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[pvoznenko](https://github.com/pvoznenko) |[FilipeFalcaoBatista](https://github.com/FilipeFalcaoBatista) |[lekkas](https://github.com/lekkas) |
+[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[lygstate](https://github.com/lygstate) |[pvoznenko](https://github.com/pvoznenko) |[filipefalcaos](https://github.com/filipefalcaos) |
 
-[<img alt="deniskyashif" src="https://avatars.githubusercontent.com/u/5999271?v=3&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="infusion" src="https://avatars.githubusercontent.com/u/197742?v=3&s=117" width="117">](https://github.com/infusion) |[<img alt="designeng" src="https://avatars.githubusercontent.com/u/2807469?v=3&s=117" width="117">](https://github.com/designeng) |[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="ysharplanguage" src="https://avatars.githubusercontent.com/u/1055314?v=3&s=117" width="117">](https://github.com/ysharplanguage) |[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |
+[<img alt="lekkas" src="https://avatars.githubusercontent.com/u/5211478?v=3&s=117" width="117">](https://github.com/lekkas) |[<img alt="deniskyashif" src="https://avatars.githubusercontent.com/u/5999271?v=3&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="infusion" src="https://avatars.githubusercontent.com/u/197742?v=3&s=117" width="117">](https://github.com/infusion) |[<img alt="designeng" src="https://avatars.githubusercontent.com/u/2807469?v=3&s=117" width="117">](https://github.com/designeng) |[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="ysharplanguage" src="https://avatars.githubusercontent.com/u/1055314?v=3&s=117" width="117">](https://github.com/ysharplanguage) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[deniskyashif](https://github.com/deniskyashif) |[infusion](https://github.com/infusion) |[designeng](https://github.com/designeng) |[Microfed](https://github.com/Microfed) |[ysharplanguage](https://github.com/ysharplanguage) |[contra](https://github.com/contra) |
+[lekkas](https://github.com/lekkas) |[deniskyashif](https://github.com/deniskyashif) |[infusion](https://github.com/infusion) |[designeng](https://github.com/designeng) |[Microfed](https://github.com/Microfed) |[ysharplanguage](https://github.com/ysharplanguage) |
 
-[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |
-:---: |
-[fanixk](https://github.com/fanixk) |
+[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |
+:---: |:---: |
+[contra](https://github.com/contra) |[fanixk](https://github.com/fanixk) |
 
 ## License
 

From 49b3857f4d4b6f835af47689a11257f3db03d95b Mon Sep 17 00:00:00 2001
From: Lukas Liesis <liesislukas@gmail.com>
Date: Sat, 9 Apr 2016 14:04:05 +0300
Subject: [PATCH 220/337] Create readme.md (#94)

* Create readme.md

starting comparison table

* Update readme.md

* Update readme.md

updated bubblesort complexity
---
 src/sorting/readme.md | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 src/sorting/readme.md

diff --git a/src/sorting/readme.md b/src/sorting/readme.md
new file mode 100644
index 00000000..3d9d00f0
--- /dev/null
+++ b/src/sorting/readme.md
@@ -0,0 +1,21 @@
+# Comparison of all sorting algorithms
+
+| Algorithm                  | Complexity                                          | When to use? |
+|----------------------------|-----------------------------------------------------|--------------|
+| 3-way-string-quicksort.js  | O(N^2)                                              |              |
+| bubblesort.js              | O(N^2)                                              |              |
+| bucketsort.js              | O(N)                                                |              |
+| countingsort.js            | O(N)                                                |              |
+| heapsort.js                | O(N log N)                                          |              |
+| insertion-binary-sort.js   | O(N^2)                                              |              |
+| insertionsort.js           | O(N^2)                                              |              |
+| lsd.js                     | O(N*M) for N keys which have M or fewer digits      |              |
+| mergesort.js               | O(n log(n))                                         |              |
+| msd.js                     | O(N*M) for N keys which have M or fewer digits      |              |
+| oddeven-sort.js            | O(N^2)                                              |              |
+| quicksort-middle.js        | O(N log(N))                                         |              |
+| quicksort.js               | O(nlog n)                                           |              |
+| radixsort.js               | O(N K) for N keys with K being                      |              |
+| recursive-insertionsort.js | O(N^2)                                              |              |
+| selectionsort.js           | O(N^2)                                              |              |
+| shellsort.js               | O((nlog(n))^2)                                      |              |

From b21b5e5dbfe5b010b5371ef9080b39e82ad58866 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Wed, 18 May 2016 11:18:50 +0300
Subject: [PATCH 221/337] test(longestIncreasingSubsequence): update tests

---
 test/searching/longest-increasing-subsequence.spec.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/test/searching/longest-increasing-subsequence.spec.js b/test/searching/longest-increasing-subsequence.spec.js
index ae72a3a0..7e42ec55 100644
--- a/test/searching/longest-increasing-subsequence.spec.js
+++ b/test/searching/longest-increasing-subsequence.spec.js
@@ -12,6 +12,15 @@ describe('longest subsequence', function () {
     sequence = [5, 2, 8, 6, 3, 6, 9, 7, 11];
   });
 
+  it('should work with empty array', function () {
+    expect(longestSubsequence([]).length).toBe(0);
+  });
+
+  it('should return the only element in a single element array', function () {
+    let array = [1];
+    expect(longestSubsequence(array)).toEqual([1]);
+  });
+
   it('should give the right length', function () {
     expect(longestSubsequence(sequence).length).toBe(5);
   });

From ba6645a3a2f3e6c4e4b7e9c86cdb0593ac288661 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Wed, 18 May 2016 11:33:48 +0300
Subject: [PATCH 222/337] refactor(longestSubSeq): add cmp and change name

---
 ...-subsequence.js => longest-subsequence.js} | 26 +++++++++----------
 ...ce.spec.js => longest-subsequence.spec.js} | 13 +++++++++-
 2 files changed, 24 insertions(+), 15 deletions(-)
 rename src/searching/{longest-increasing-subsequence.js => longest-subsequence.js} (86%)
 rename test/searching/{longest-increasing-subsequence.spec.js => longest-subsequence.spec.js} (74%)

diff --git a/src/searching/longest-increasing-subsequence.js b/src/searching/longest-subsequence.js
similarity index 86%
rename from src/searching/longest-increasing-subsequence.js
rename to src/searching/longest-subsequence.js
index 7ee8b232..b326f9f0 100644
--- a/src/searching/longest-increasing-subsequence.js
+++ b/src/searching/longest-subsequence.js
@@ -10,19 +10,15 @@
     * @private
     * @param {Array} array The array in which the largest
     *  element should be found.
-    * @param {Function} cmp Function used for comparison.
     * @return {Number} index of the first largest element
     */
-    function max(array, cmp) {
+    function max(array) {
       if (!array || !array.length) {
         return -1;
       }
-      if (!cmp) {
-        cmp = function (a, b) { return a - b; };
-      }
       var maxIdx = 0;
       for (var i = 1; i < array.length; i += 1) {
-        if (cmp(array[maxIdx], array[i]) < 0) {
+        if (array[maxIdx].distance < array[i].distance) {
           maxIdx = i;
         }
       }
@@ -33,8 +29,8 @@
     * Default comparison method.
     * @private
     */
-    function cmp(a, b) {
-      return a.distance - b.distance;
+    function asc(a, b) {
+      return a - b;
     }
 
     /**
@@ -46,12 +42,12 @@
     * @param  {Array} array The input array.
     * @return {Object} Graph represented with list of neighbours.
     */
-    function buildDag(array) {
+    function buildDag(array, cmp) {
       var result = [];
       for (var i = 0; i < array.length; i += 1) {
         result[i] = [];
         for (var j = i + 1; j < array.length; j += 1) {
-          if (array[i] < array[j]) {
+          if (cmp(array[i], array[j]) < 0) {
             result[i].push(j);
           }
         }
@@ -87,7 +83,7 @@
         neighboursDistance[i] = find(dag, neighbours[i]);
       }
 
-      maxDist = max(neighboursDistance, cmp);
+      maxDist = max(neighboursDistance);
       maxNode = neighbours[maxDist];
       distance = 1 + neighboursDistance[maxDist].distance;
       find.memo[node] = result = {
@@ -114,15 +110,16 @@
     * @param {Array} array Input sequence.
     * @return {Array} Longest increasing subsequence.
     */
-    return function (array) {
+    return function (array, cmp) {
+      cmp = cmp || asc;
       var results = [];
-      var dag = buildDag(array);
+      var dag = buildDag(array, cmp);
       var maxPath;
       find.memo = [];
       for (var i = 0; i < array.length; i += 1) {
         results.push(find(dag, i));
       }
-      maxPath = results[max(results, cmp)];
+      maxPath = results[max(results)];
       results = [];
       while (maxPath) {
         results.push(array[maxPath.node]);
@@ -133,3 +130,4 @@
   })();
 
 })(typeof window === 'undefined' ? module.exports : window);
+
diff --git a/test/searching/longest-increasing-subsequence.spec.js b/test/searching/longest-subsequence.spec.js
similarity index 74%
rename from test/searching/longest-increasing-subsequence.spec.js
rename to test/searching/longest-subsequence.spec.js
index 7e42ec55..5a068aa7 100644
--- a/test/searching/longest-increasing-subsequence.spec.js
+++ b/test/searching/longest-subsequence.spec.js
@@ -2,7 +2,7 @@
 
 var longestSubsequence =
   require('../../src/searching/' +
-    'longest-increasing-subsequence')
+    'longest-subsequence')
     .longestSubsequence;
 
 describe('longest subsequence', function () {
@@ -33,4 +33,15 @@ describe('longest subsequence', function () {
     expect(longestSubsequence(sequence).toString())
       .toBe([2, 3, 6, 9, 11].toString());
   });
+
+  it('should work with a custom comparator', function () {
+    var cmp = function (a, b) {
+      return b - a;
+    };
+    var seq = [1, 2, -1];
+    var result = longestSubsequence(seq, cmp);
+    expect(result.length).toBe(2);
+    expect(result).toEqual([1, -1]);
+  });
 });
+

From ea06d3413f952273916038a0431e0499f449b17a Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Wed, 18 May 2016 11:35:01 +0300
Subject: [PATCH 223/337] docs(subSeq): update parameters

---
 src/searching/longest-subsequence.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/searching/longest-subsequence.js b/src/searching/longest-subsequence.js
index b326f9f0..10335535 100644
--- a/src/searching/longest-subsequence.js
+++ b/src/searching/longest-subsequence.js
@@ -40,6 +40,7 @@
     * Complexity: O(N^2).
     * @private
     * @param  {Array} array The input array.
+    * @param  {Function} cmp Comparator.
     * @return {Object} Graph represented with list of neighbours.
     */
     function buildDag(array, cmp) {
@@ -108,6 +109,7 @@
     * @public
     * @module searching/longest-increasing-subsequence
     * @param {Array} array Input sequence.
+    * @param {Function} cmp Comparator.
     * @return {Array} Longest increasing subsequence.
     */
     return function (array, cmp) {

From b155d899563c34674a262ef76a424cd119653145 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Wed, 18 May 2016 11:40:10 +0300
Subject: [PATCH 224/337] fix(build): use var instead of let

---
 test/searching/longest-subsequence.spec.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/searching/longest-subsequence.spec.js b/test/searching/longest-subsequence.spec.js
index 5a068aa7..f32efd06 100644
--- a/test/searching/longest-subsequence.spec.js
+++ b/test/searching/longest-subsequence.spec.js
@@ -17,7 +17,7 @@ describe('longest subsequence', function () {
   });
 
   it('should return the only element in a single element array', function () {
-    let array = [1];
+    var array = [1];
     expect(longestSubsequence(array)).toEqual([1]);
   });
 

From a4759dd71e98c9eddbc65a81c856976b9155ea1e Mon Sep 17 00:00:00 2001
From: Xie Dezhuo <xied5531@outlook.com>
Date: Tue, 31 May 2016 18:53:58 +0800
Subject: [PATCH 225/337] Update binarysearch.js

---
 src/searching/binarysearch.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/searching/binarysearch.js b/src/searching/binarysearch.js
index 1536acc6..d8f874e0 100644
--- a/src/searching/binarysearch.js
+++ b/src/searching/binarysearch.js
@@ -38,7 +38,7 @@
       }
       middle = Math.floor((left + right) / 2);
     }
-    return -middle - 1;
+    return -1;
   }
 
   exports.binarySearch = binarySearch;

From be84808abee53624f27203997059b8f7d034e9b9 Mon Sep 17 00:00:00 2001
From: Amila Welihinda <amilajack@users.noreply.github.com>
Date: Thu, 9 Jun 2016 17:33:35 -0700
Subject: [PATCH 226/337] Updated travis ci to test modern node version

---
 .travis.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index a9ff642d..bce32da8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-  - "0.12"
+  - "4"
 before_script:
   - npm install -g gulp
-script: gulp build
\ No newline at end of file
+script: gulp build

From c1a1b2f0dda86e1ee531a1c952908cc20d406ebb Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Fri, 8 Jul 2016 16:31:41 +0300
Subject: [PATCH 227/337] feat(graphs): add Tarjan's algorithm for SCC

Fix #98
---
 package.json                                  |  2 +-
 .../others/tarjan-connected-components.js     | 70 +++++++++++++++++++
 src/graphs/others/topological-sort.js         |  3 +-
 .../tarjan-connected-components.spec.js       | 38 ++++++++++
 4 files changed, 111 insertions(+), 2 deletions(-)
 create mode 100644 src/graphs/others/tarjan-connected-components.js
 create mode 100644 test/graphs/others/tarjan-connected-components.spec.js

diff --git a/package.json b/package.json
index ecff0768..e7b6b150 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "jshint-stylish": "^1.0.0"
   },
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "gulp test"
   },
   "repository": {
     "type": "git",
diff --git a/src/graphs/others/tarjan-connected-components.js b/src/graphs/others/tarjan-connected-components.js
new file mode 100644
index 00000000..f39ff848
--- /dev/null
+++ b/src/graphs/others/tarjan-connected-components.js
@@ -0,0 +1,70 @@
+(function (exports) {
+
+ /**
+   * Tarjan's algorithm for finding the connected components in a graph.<br><br>
+   * Time complexity: O(|E| + |V|) where E is a number of edges and |V|
+   * is the number of nodes.
+   *
+   * @public
+   * @module graphs/others/tarjan-connected-components
+   * @param {Array} graph Adjacency list, which represents the graph.
+   * @returns {Array} Connected components.
+   *
+   * @example
+   * var tarjanConnectedComponents =
+   *  require('path-to-algorithms/src/graphs/' +
+   * 'others/tarjan-connected-components').tarjanConnectedComponents;
+   * var graph = {
+   *     v1: ['v2', 'v5'],
+   *     v2: [],
+   *     v3: ['v1', 'v2', 'v4', 'v5'],
+   *     v4: [],
+   *     v5: []
+   * };
+   * var vertices = topsort(graph); // ['v3', 'v4', 'v1', 'v5', 'v2']
+   */
+  function tarjanConnectedComponents(graph) {
+    graph = graph || {};
+    const indexes = {};
+    const lowIndexes = {};
+    const onStack = {};
+    const result = [];
+    const stack = [];
+    let index = 1;
+
+    const connectedComponent = node => {
+      stack.push(node);
+      onStack[node] = true;
+      indexes[node] = index;
+      lowIndexes[node] = index;
+      index += 1;
+      graph[node].forEach(n => {
+        if (indexes[n] === undefined) {
+          connectedComponent(n);
+          lowIndexes[node] = Math.min(lowIndexes[n], lowIndexes[node]);
+        } else if (onStack[n]) {
+          lowIndexes[node] = Math.min(lowIndexes[node], indexes[n]);
+        }
+      });
+      // This is a "root" node
+      const cc = [];
+      if (indexes[node] === lowIndexes[node]) {
+        let current;
+        do {
+          current = stack.pop();
+          onStack[current] = false;
+          cc.push(current);
+        } while (stack.length > 0 && node !== current);
+        result.push(cc);
+      }
+    };
+
+    Object.keys(graph)
+      .forEach(n => !indexes[n] && connectedComponent(n));
+
+    return result;
+  }
+
+  exports.tarjanConnectedComponents = tarjanConnectedComponents;
+
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/src/graphs/others/topological-sort.js b/src/graphs/others/topological-sort.js
index b793d5a5..f32ee48a 100644
--- a/src/graphs/others/topological-sort.js
+++ b/src/graphs/others/topological-sort.js
@@ -22,7 +22,8 @@
 
     /**
      * Topological sort algorithm of a directed acyclic graph.<br><br>
-     * Time complexity: O(|E|) where E is a number of edges.
+     * Time complexity: O(|E| + |V|) where E is a number of edges
+     * and |V| is the number of nodes.
      *
      * @public
      * @module graphs/others/topological-sort
diff --git a/test/graphs/others/tarjan-connected-components.spec.js b/test/graphs/others/tarjan-connected-components.spec.js
new file mode 100644
index 00000000..4b2c45c8
--- /dev/null
+++ b/test/graphs/others/tarjan-connected-components.spec.js
@@ -0,0 +1,38 @@
+var tj = require('../../../src/graphs/others/tarjan-connected-components').tarjanConnectedComponents;
+
+var nonConnected = {
+  v1: [],
+  v2: [],
+  v3: [],
+  v4: [],
+  v5: []
+};
+
+var cyclicGraph = {
+  v1: ['v2'],
+  v2: ['v3'],
+  v3: ['v4'],
+  v4: ['v5'],
+  v5: ['v1']
+};
+
+
+describe('Tarjan\'s algorithm for finding connected components', function () {
+  'use strict';
+  it('should be defined', function () {
+    expect(typeof tj).toBe('function');
+  });
+
+  it('should return an array', function () {
+    expect(tj() instanceof Array).toBeTruthy();
+  });
+
+  it('should work with non-connected graphs', function () {
+    expect(tj(nonConnected)).toEqual([['v1'], ['v2'], ['v3'], ['v4'], ['v5']]);
+  });
+
+  it('should workw ith cycles', () => {
+    expect(tj(cyclicGraph)).toEqual([['v5', 'v4', 'v3', 'v2', 'v1']]);
+  });
+
+});

From 0ecc1515fb983235b3b526ba40af3fdb91274369 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Fri, 8 Jul 2016 16:40:51 +0300
Subject: [PATCH 228/337] fix(build): handle jscs errors

---
 .../others/tarjan-connected-components.js       | 17 +++++++++++------
 .../others/tarjan-connected-components.spec.js  |  4 +---
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/src/graphs/others/tarjan-connected-components.js b/src/graphs/others/tarjan-connected-components.js
index f39ff848..c131f6dc 100644
--- a/src/graphs/others/tarjan-connected-components.js
+++ b/src/graphs/others/tarjan-connected-components.js
@@ -1,6 +1,7 @@
 (function (exports) {
+  'use strict';
 
- /**
+  /**
    * Tarjan's algorithm for finding the connected components in a graph.<br><br>
    * Time complexity: O(|E| + |V|) where E is a number of edges and |V|
    * is the number of nodes.
@@ -30,15 +31,15 @@
     const onStack = {};
     const result = [];
     const stack = [];
-    let index = 1;
+    var index = 1;
 
-    const connectedComponent = node => {
+    const connectedComponent = function (node) {
       stack.push(node);
       onStack[node] = true;
       indexes[node] = index;
       lowIndexes[node] = index;
       index += 1;
-      graph[node].forEach(n => {
+      graph[node].forEach(function (n) {
         if (indexes[n] === undefined) {
           connectedComponent(n);
           lowIndexes[node] = Math.min(lowIndexes[n], lowIndexes[node]);
@@ -49,7 +50,7 @@
       // This is a "root" node
       const cc = [];
       if (indexes[node] === lowIndexes[node]) {
-        let current;
+        var current;
         do {
           current = stack.pop();
           onStack[current] = false;
@@ -60,7 +61,11 @@
     };
 
     Object.keys(graph)
-      .forEach(n => !indexes[n] && connectedComponent(n));
+      .forEach(function (n) {
+        if (!indexes[n]) {
+          connectedComponent(n);
+        }
+      });
 
     return result;
   }
diff --git a/test/graphs/others/tarjan-connected-components.spec.js b/test/graphs/others/tarjan-connected-components.spec.js
index 4b2c45c8..e24ecbef 100644
--- a/test/graphs/others/tarjan-connected-components.spec.js
+++ b/test/graphs/others/tarjan-connected-components.spec.js
@@ -16,7 +16,6 @@ var cyclicGraph = {
   v5: ['v1']
 };
 
-
 describe('Tarjan\'s algorithm for finding connected components', function () {
   'use strict';
   it('should be defined', function () {
@@ -31,8 +30,7 @@ describe('Tarjan\'s algorithm for finding connected components', function () {
     expect(tj(nonConnected)).toEqual([['v1'], ['v2'], ['v3'], ['v4'], ['v5']]);
   });
 
-  it('should workw ith cycles', () => {
+  it('should workw ith cycles', function () {
     expect(tj(cyclicGraph)).toEqual([['v5', 'v4', 'v3', 'v2', 'v1']]);
   });
-
 });

From 8cc32315e14e07b3fceec6aca228bd128a79089c Mon Sep 17 00:00:00 2001
From: krzysztof-grzybek <krzysztof.grzybek89@gmail.com>
Date: Mon, 18 Jul 2016 22:29:25 +0200
Subject: [PATCH 229/337] Add tests to heap "update" method

---
 test/data-structures/heap.spec.js | 34 +++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/test/data-structures/heap.spec.js b/test/data-structures/heap.spec.js
index e26b2f45..8de81f23 100644
--- a/test/data-structures/heap.spec.js
+++ b/test/data-structures/heap.spec.js
@@ -58,4 +58,38 @@ describe('Heap', function () {
     res = heap.extract();
     expect(res).toBe(66);
   });
+  it('should update top node properly', function () {
+    var heap = new Heap(function (a, b) {
+      return a.val - b.val;
+    });
+    var objectToUpdate = { val: 66 };
+    heap.add(objectToUpdate);
+    heap.add({ val: 11 });
+    heap.add({ val: 55 });
+    objectToUpdate.val = 0;
+    heap.update(objectToUpdate);
+    var res = heap.extract();
+    expect(res.val).toBe(55);
+    res = heap.extract();
+    expect(res.val).toBe(11);
+    res = heap.extract();
+    expect(res.val).toBe(0);
+  });
+  it('should update bottom node properly', function () {
+    var heap = new Heap(function (a, b) {
+      return a.val - b.val;
+    });
+    var objectToUpdate = { val: 0 };
+    heap.add(objectToUpdate);
+    heap.add({ val: 11 });
+    heap.add({ val: 55 });
+    objectToUpdate.val = 66;
+    heap.update(objectToUpdate);
+    var res = heap.extract();
+    expect(res.val).toBe(66);
+    res = heap.extract();
+    expect(res.val).toBe(55);
+    res = heap.extract();
+    expect(res.val).toBe(11);
+  });
 });

From c8228753cc1ebace7bd678a0100c21feaf3afb62 Mon Sep 17 00:00:00 2001
From: krzysztof-grzybek <krzysztof.grzybek89@gmail.com>
Date: Mon, 18 Jul 2016 22:29:43 +0200
Subject: [PATCH 230/337] Fix heap "update" method

---
 src/data-structures/heap.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/data-structures/heap.js b/src/data-structures/heap.js
index b2e167b3..cb936575 100644
--- a/src/data-structures/heap.js
+++ b/src/data-structures/heap.js
@@ -82,7 +82,8 @@
     }
 
     if (right < this._heap.length &&
-        this._cmp(this._heap[right], this._heap[index]) > 0) {
+        this._cmp(this._heap[right], this._heap[index]) > 0 &&
+        this._cmp(this._heap[right], this._heap[left]) > 0) {
       extr = right;
     }
 
@@ -116,6 +117,7 @@
         index = parent;
         parent = Math.floor(parent / 2);
       }
+      this._heapify(index);
     }
     return parent;
   };

From ce8f53afad9df63369c9438d888c83204944a956 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kamil=20Bregu=C5=82a?= <mik-laj@users.noreply.github.com>
Date: Sun, 25 Sep 2016 20:29:25 +0200
Subject: [PATCH 231/337] Make link clickable

See: http://usejsdoc.org/tags-inline-link.html
---
 src/others/min-coins-change.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/others/min-coins-change.js b/src/others/min-coins-change.js
index 239f99e5..d4120d3a 100644
--- a/src/others/min-coins-change.js
+++ b/src/others/min-coins-change.js
@@ -5,7 +5,7 @@
    * Returns the minimum number of coins from given set,
    * which sum equals to given change. This is famous
    * problem from the dymanic programming:
-   *   https://en.wikipedia.org/wiki/Change-making_problem
+   *  {@link https://en.wikipedia.org/wiki/Change-making_problem}
    *
    * @public
    * @module others/minCoinsChange

From b0d8bc994e8812b6a9c820a632f3182ac2ad97a3 Mon Sep 17 00:00:00 2001
From: mik-laj <kamil.bregula@siecobywatelska.pl>
Date: Sun, 25 Sep 2016 20:57:11 +0200
Subject: [PATCH 232/337] Make link clickable

---
 src/data-structures/splay-tree.js | 2 +-
 src/sets/quickfind.js             | 2 +-
 src/sets/quickunion.js            | 2 +-
 src/sets/weightquickunion.js      | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/data-structures/splay-tree.js b/src/data-structures/splay-tree.js
index dfadb1ee..20b80716 100644
--- a/src/data-structures/splay-tree.js
+++ b/src/data-structures/splay-tree.js
@@ -44,7 +44,7 @@
 
   /**
    * Splay tree.
-   * http://en.wikipedia.org/wiki/Splay_tree
+   * {@link http://en.wikipedia.org/wiki/Splay_tree}
    * @public
    * @constructor
    */
diff --git a/src/sets/quickfind.js b/src/sets/quickfind.js
index 272dd72c..a5a465b1 100644
--- a/src/sets/quickfind.js
+++ b/src/sets/quickfind.js
@@ -5,7 +5,7 @@
  * The algorithm is inspired by Robert Sedgewick's Java implementation.
  * <br>
  * The algorithm is inspired by Robert Sedgewick's Java implementation.
- * For further reading http://algs4.cs.princeton.edu/home/.
+ * {@link http://algs4.cs.princeton.edu/home/}
  *
  * @example
  *
diff --git a/src/sets/quickunion.js b/src/sets/quickunion.js
index ecb88327..0d8bb402 100644
--- a/src/sets/quickunion.js
+++ b/src/sets/quickunion.js
@@ -4,7 +4,7 @@
  * Allows to check whether the path between two nodes exists.
  * <br>
  * The algorithm is inspired by Robert Sedgewick's Java implementation.
- * For further reading http://algs4.cs.princeton.edu/home/.
+ * {@link http://algs4.cs.princeton.edu/home/}
  *
  * @example
  *
diff --git a/src/sets/weightquickunion.js b/src/sets/weightquickunion.js
index 47079193..2fc9b099 100644
--- a/src/sets/weightquickunion.js
+++ b/src/sets/weightquickunion.js
@@ -4,7 +4,7 @@
  * Allows to check whether the path between two nodes exists.
  * <br>
  * The algorithm is inspired by Robert Sedgewick's Java implementation.
- * For further reading http://algs4.cs.princeton.edu/home/.
+ * {@link http://algs4.cs.princeton.edu/home/}
  *
  * @example
  *

From 9a15f58aef29bce7ef3790d719afd3bce2de6ac6 Mon Sep 17 00:00:00 2001
From: Rachel Miller <millerrach@gmail.com>
Date: Sat, 1 Oct 2016 15:56:21 -0500
Subject: [PATCH 233/337] Fixed two spelling errors

---
 readme.md                     | 2 +-
 src/searching/binarysearch.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/readme.md b/readme.md
index 6464dc3f..0c47c952 100644
--- a/readme.md
+++ b/readme.md
@@ -56,7 +56,7 @@ and all `*.spec.js` files will be executed.
 
 ## Contributions
 
-Fork the repo and make requred changes. After that push your changes in branch, which is named according to the changes you did.
+Fork the repo and make required changes. After that push your changes in branch, which is named according to the changes you did.
 Initiate the PR.
 
 Make sure you're editor makes validations according to the `.jshintrc` in the root directory of the repository.
diff --git a/src/searching/binarysearch.js b/src/searching/binarysearch.js
index d8f874e0..efe6e28c 100644
--- a/src/searching/binarysearch.js
+++ b/src/searching/binarysearch.js
@@ -5,7 +5,7 @@
   function get (key) { return function (val) { return val[key]; }; }
 
   /**
-   * Searchs for specific element in a given array using
+   * Searches for specific element in a given array using
    * the binary search algorithm.<br><br>
    * Time complexity: O(log N).
    *

From 7bd9f56387145ad60453adb2048d1658f44ebc92 Mon Sep 17 00:00:00 2001
From: Xuefeng Zhu <xzhu15@illinois.edu>
Date: Thu, 27 Oct 2016 23:12:21 -0500
Subject: [PATCH 234/337] minor optimize runlength

---
 src/compression/runlength/runlength.js | 25 ++++++++-----------------
 1 file changed, 8 insertions(+), 17 deletions(-)

diff --git a/src/compression/runlength/runlength.js b/src/compression/runlength/runlength.js
index 2a5f7942..a530448d 100644
--- a/src/compression/runlength/runlength.js
+++ b/src/compression/runlength/runlength.js
@@ -14,19 +14,15 @@
      * This takes O(n).
      */
     function convertToAscii(str) {
-      var result = '';
+      var result = [];
       var currentChar = '';
       var i = 0;
       for (; i < str.length; i += 1) {
         currentChar = str[i].charCodeAt(0).toString(2);
-        if (currentChar.length < 8) {
-          while (8 - currentChar.length) {
-            currentChar = '0' + currentChar;
-          }
-        }
-        result += currentChar;
+        currentChar = new Array(9 - currentChar.length).join('0') + currentChar;
+        result.push(currentChar);
       }
-      return result;
+      return result.join('');
     }
 
     /**
@@ -34,26 +30,21 @@
      * Takes O(n^2).
      */
     function runLength(vector) {
-      var result = '';
+      var result = [];
       var zeros = 0;
       var zerosTemp = '';
-      var wordLength = 0;
       var i = 0;
       for (; i < vector.length; i += 1) {
         if (vector[i] === '0') {
           zeros += 1;
         } else {
           zerosTemp = zeros.toString(2);
-          wordLength = zerosTemp.length - 1;
-          while (wordLength) {
-            result = result + '1';
-            wordLength -= 1;
-          }
-          result += '0' + zerosTemp;
+          result.push(new Array(zerosTemp.length).join('1'));
+          result.push('0' + zerosTemp);
           zeros = 0;
         }
       }
-      return result;
+      return result.join('');
     }
 
     /**

From 583ffe6eb34ce2352f1564f562551eb2d4325804 Mon Sep 17 00:00:00 2001
From: Xuefeng Zhu <xzhu15@illinois.edu>
Date: Sat, 29 Oct 2016 23:31:19 -0500
Subject: [PATCH 235/337] remove unused current in min-coins-change.js

---
 src/others/min-coins-change.js | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/others/min-coins-change.js b/src/others/min-coins-change.js
index d4120d3a..f0f07933 100644
--- a/src/others/min-coins-change.js
+++ b/src/others/min-coins-change.js
@@ -28,11 +28,9 @@
       return [change];
     }
     for (var i = 1; i <= change; i += 1) {
-      var current = null;
       for (var j = 0; j < coins.length && coins[j] <= change; j += 1) {
         for (var k = 0; k < minChange.length; k += 1) {
-          if (k + coins[j] === i &&
-             (!current || minChange[k].length + 1 < current.length)) {
+          if (k + coins[j] === i) {
             minChange[i] = minChange[k].concat([coins[j]]);
           }
         }

From c5486fcae517ff27dd799f5153dbfc801d79d6b2 Mon Sep 17 00:00:00 2001
From: Krzysztof Grzybek <krzysztof.grzybek89@gmail.com>
Date: Thu, 15 Dec 2016 20:33:22 +0100
Subject: [PATCH 236/337] Rename longest-subsequence to
 longest-increasing-subsequence.

---
 ...e.js => longest-increasing-subsequence.js} |  8 ++++----
 ...=> longest-increasing-subsequence.spec.js} | 20 +++++++++----------
 2 files changed, 14 insertions(+), 14 deletions(-)
 rename src/searching/{longest-subsequence.js => longest-increasing-subsequence.js} (92%)
 rename test/searching/{longest-subsequence.spec.js => longest-increasing-subsequence.spec.js} (58%)

diff --git a/src/searching/longest-subsequence.js b/src/searching/longest-increasing-subsequence.js
similarity index 92%
rename from src/searching/longest-subsequence.js
rename to src/searching/longest-increasing-subsequence.js
index 10335535..81d969cf 100644
--- a/src/searching/longest-subsequence.js
+++ b/src/searching/longest-increasing-subsequence.js
@@ -1,7 +1,7 @@
 (function (exports) {
   'use strict';
 
-  exports.longestSubsequence = (function () {
+  exports.longestIncreasingSubsequence = (function () {
 
     /**
     * Find the index of the first largest element in array.
@@ -57,12 +57,12 @@
     }
 
     /**
-    * Finds the longest sub-sequence for given node.<br><br>
+    * Finds the longest increasing sub-sequence for given node.<br><br>
     * Complexity: O(N^N).
     * @private
     * @param {Object} dag  Graph represented with list of neighbours.
     * @param {number} node The current node.
-    * @return {object} The longest sub-sequence for given node.
+    * @return {object} The longest increasing sub-sequence for given node.
     */
     function find(dag, node) {
       node = node || 0;
@@ -103,7 +103,7 @@
     *
     * @example
     * var subsequence = require('path-to-algorithms/src/searching/'+
-    * 'longest-increasing-subsequence').longestSubsequence;
+    * 'longest-increasing-subsequence').longestIncreasingSubsequence;
     * console.log(subsequence([1, 0, 4, 3, 5])); // 1, 4, 5
     *
     * @public
diff --git a/test/searching/longest-subsequence.spec.js b/test/searching/longest-increasing-subsequence.spec.js
similarity index 58%
rename from test/searching/longest-subsequence.spec.js
rename to test/searching/longest-increasing-subsequence.spec.js
index f32efd06..8c764fa7 100644
--- a/test/searching/longest-subsequence.spec.js
+++ b/test/searching/longest-increasing-subsequence.spec.js
@@ -1,11 +1,11 @@
 'use strict';
 
-var longestSubsequence =
+var longestIncreasingSubsequence =
   require('../../src/searching/' +
-    'longest-subsequence')
-    .longestSubsequence;
+    'longest-increasing-subsequence')
+    .longestIncreasingSubsequence;
 
-describe('longest subsequence', function () {
+describe('longest increasing subsequence', function () {
 
   var sequence;
   beforeEach(function () {
@@ -13,24 +13,24 @@ describe('longest subsequence', function () {
   });
 
   it('should work with empty array', function () {
-    expect(longestSubsequence([]).length).toBe(0);
+    expect(longestIncreasingSubsequence([]).length).toBe(0);
   });
 
   it('should return the only element in a single element array', function () {
     var array = [1];
-    expect(longestSubsequence(array)).toEqual([1]);
+    expect(longestIncreasingSubsequence(array)).toEqual([1]);
   });
 
   it('should give the right length', function () {
-    expect(longestSubsequence(sequence).length).toBe(5);
+    expect(longestIncreasingSubsequence(sequence).length).toBe(5);
   });
 
   it('should work with empty arrays', function () {
-    expect(longestSubsequence([]).length).toBe(0);
+    expect(longestIncreasingSubsequence([]).length).toBe(0);
   });
 
   it('should return the correct path', function () {
-    expect(longestSubsequence(sequence).toString())
+    expect(longestIncreasingSubsequence(sequence).toString())
       .toBe([2, 3, 6, 9, 11].toString());
   });
 
@@ -39,7 +39,7 @@ describe('longest subsequence', function () {
       return b - a;
     };
     var seq = [1, 2, -1];
-    var result = longestSubsequence(seq, cmp);
+    var result = longestIncreasingSubsequence(seq, cmp);
     expect(result.length).toBe(2);
     expect(result).toEqual([1, -1]);
   });

From 440c7deee26ff2c339510d42e98ae9d219df3156 Mon Sep 17 00:00:00 2001
From: Peter Kerpedjiev <pkerpedjiev@gmail.com>
Date: Thu, 22 Dec 2016 16:09:44 -0500
Subject: [PATCH 237/337] New nodes should be added with a max value

---
 src/data-structures/interval-tree.js       |  2 +
 test/data-structures/interval-tree.spec.js | 48 ++++++++++++++++++++++
 2 files changed, 50 insertions(+)
 create mode 100644 test/data-structures/interval-tree.spec.js

diff --git a/src/data-structures/interval-tree.js b/src/data-structures/interval-tree.js
index 9f5c1835..6d3da17d 100644
--- a/src/data-structures/interval-tree.js
+++ b/src/data-structures/interval-tree.js
@@ -76,6 +76,7 @@
 
   function addNode(node, side, interval) {
     var child = new exports.Node(interval[0], interval[1]);
+    child.max = interval[1];
     child.parentNode = node;
     node[side] = child;
     if (node.max < interval[1]) {
@@ -113,6 +114,7 @@
   exports.IntervalTree.prototype.add = function (interval) {
     if (!this.root) {
       this.root = new exports.Node(interval[0], interval[1]);
+      this.root.max = interval[1];
       return;
     }
     addHelper(this.root, interval);
diff --git a/test/data-structures/interval-tree.spec.js b/test/data-structures/interval-tree.spec.js
new file mode 100644
index 00000000..15fec119
--- /dev/null
+++ b/test/data-structures/interval-tree.spec.js
@@ -0,0 +1,48 @@
+'use strict';
+
+var mod = require('../../src/data-structures/interval-tree.js');
+var IntervalTree = mod.IntervalTree;
+
+describe('IntervalTree', function () {
+  it('should correctly detect intersections', function () {
+    var it = new IntervalTree();
+
+    it.add([10383734, 10594186])
+    it.add([10383734, 10594186])
+    it.add([8891125, 9095610])
+    it.add([9495571, 9677853])
+    it.add([10093457, 10257167])
+    it.add([9303743, 9404967])
+    it.intersects([9303743, 9303744])
+    expect(it.intersects([9303743, 9303744])).toBe(true)
+    expect(it.intersects([10383734, 10383734])).toBe(true);
+
+    it.add([9495571, 9677853])
+    it.add([9303743, 9404967])
+
+    expect(it.intersects([9303743, 9303744])).toBe(true)
+    expect(it.intersects([9303742, 9303742])).toBe(false)
+
+    expect(it.intersects([9404967,9404967 ])).toBe(true)
+    expect(it.intersects([9404968,9404969 ])).toBe(false)
+
+    it = new IntervalTree();
+
+    expect(it.intersects([1,2])).toBe(false);
+
+    it.add([1,2]);
+    expect(it.contains(0.4)).toBe(false);
+    expect(it.contains(1.4)).toBe(true);
+
+    expect(it.intersects([0,3])).toBe(true);
+    expect(it.intersects([1.5,1.6])).toBe(true);
+    expect(it.intersects([2.1,3.0])).toBe(false);
+
+    it.add([1.4,2.1]);
+
+    expect(it.intersects([0,3])).toBe(true);
+    expect(it.intersects([1.5,1.6])).toBe(true);
+
+    expect(it.intersects([2.1,3.0])).toBe(true);
+  });
+});

From 5870065287198ab8fd304854e6af0cebef43431d Mon Sep 17 00:00:00 2001
From: Peter Kerpedjiev <pkerpedjiev@gmail.com>
Date: Thu, 22 Dec 2016 16:15:54 -0500
Subject: [PATCH 238/337] Fix spacing

---
 test/data-structures/interval-tree.spec.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/data-structures/interval-tree.spec.js b/test/data-structures/interval-tree.spec.js
index 15fec119..a6d79099 100644
--- a/test/data-structures/interval-tree.spec.js
+++ b/test/data-structures/interval-tree.spec.js
@@ -23,8 +23,8 @@ describe('IntervalTree', function () {
     expect(it.intersects([9303743, 9303744])).toBe(true)
     expect(it.intersects([9303742, 9303742])).toBe(false)
 
-    expect(it.intersects([9404967,9404967 ])).toBe(true)
-    expect(it.intersects([9404968,9404969 ])).toBe(false)
+    expect(it.intersects([9404967,9404967])).toBe(true)
+    expect(it.intersects([9404968,9404969])).toBe(false)
 
     it = new IntervalTree();
 

From f839af2efbe02905aa35b797df37b59e260e1047 Mon Sep 17 00:00:00 2001
From: Krzysztof Grzybek <krzysztof.grzybek89@gmail.com>
Date: Fri, 23 Dec 2016 20:57:52 +0100
Subject: [PATCH 239/337] Add tests to longest common subsequence algorithm

---
 .../longest-common-subsequence.spec.js        | 49 +++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 test/searching/longest-common-subsequence.spec.js

diff --git a/test/searching/longest-common-subsequence.spec.js b/test/searching/longest-common-subsequence.spec.js
new file mode 100644
index 00000000..4adaa080
--- /dev/null
+++ b/test/searching/longest-common-subsequence.spec.js
@@ -0,0 +1,49 @@
+'use strict';
+
+var longestCommonSubsequence =
+  require('../../src/searching/' +
+    'longest-common-subsequence')
+    .longestCommonSubsequence;
+
+describe('longest common subsequence', function () {
+
+  it('should work with empty strings', function () {
+    expect(longestCommonSubsequence('', '')).toBe('');
+  });
+
+  it('should work with first string empty', function () {
+    expect(longestCommonSubsequence('', 'abcd')).toBe('');
+  });
+
+  it('should work with second string empty', function () {
+    expect(longestCommonSubsequence('abcd', '')).toBe('');
+  });
+
+  it('should work if there is no lcs', function () {
+    expect(longestCommonSubsequence('qtwer', 'zvxcv')).toBe('');
+  });
+
+  it('should work if lcs is whole first string', function () {
+    expect(longestCommonSubsequence('abc', 'abcdefghi')).toBe('abc');
+  });
+
+  it('should work if lcs is whole second string', function () {
+    expect(longestCommonSubsequence('qwerty', 'rty')).toBe('rty');
+  });
+
+  it('should work with repeated letter', function () {
+    expect(longestCommonSubsequence('AAATC', 'GGTAGGC')).toBe('AC');
+  });
+
+  it('should work with custom characters', function () {
+    expect(longestCommonSubsequence(':-)', 'B-)')).toBe('-)');
+  });
+
+  it('should work with long strings', function () {
+    expect(longestCommonSubsequence('this is the first string', 'that is second')).toBe('tht is sn');
+  });
+
+  it('should work with very long strings', function () {
+    expect(longestCommonSubsequence('giiiiiiit1huuuuuu2bbb', 'zzxxcvasdfgmntplpliiggggu2b222')).toBe('giiu2b');
+  });
+});

From b589f9bb6115752ab12ef93a9076303882f06354 Mon Sep 17 00:00:00 2001
From: Krzysztof Grzybek <krzysztof.grzybek89@gmail.com>
Date: Fri, 23 Dec 2016 21:03:35 +0100
Subject: [PATCH 240/337] Implement longest common subsequence algorithm

---
 src/searching/longest-common-subsequence.js | 44 +++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 src/searching/longest-common-subsequence.js

diff --git a/src/searching/longest-common-subsequence.js b/src/searching/longest-common-subsequence.js
new file mode 100644
index 00000000..e0286944
--- /dev/null
+++ b/src/searching/longest-common-subsequence.js
@@ -0,0 +1,44 @@
+(function (exports) {
+  'use strict';
+
+  exports.longestCommonSubsequence = (function () {
+
+    function getLcsLengths(str1, str2) {
+      var result = [];
+      for (var i = -1; i < str1.length; i = i + 1) {
+        result[i] = [];
+        for (var j = -1; j < str2.length; j = j + 1) {
+          if (i === -1 || j === -1) {
+            result[i][j] = 0;
+          } else if (str1[i] === str2[j]) {
+            result[i][j] = result[i - 1][j - 1] + 1;
+          } else {
+            result[i][j] = Math.max(result[i - 1][j], result[i][j - 1]);
+          }
+        }
+      }
+      return result;
+    }
+
+    function getLcs(str1, str2, lcsLengthsMatrix) {
+      var execute = function (i, j) {
+        if (!lcsLengthsMatrix[i][j]) {
+          return '';
+        } else if (str1[i] === str2[j]) {
+          return execute(i - 1, j - 1) + str1[i];
+        } else if (lcsLengthsMatrix[i][j - 1] > lcsLengthsMatrix[i - 1][j]) {
+          return execute(i, j - 1);
+        } else {
+          return execute(i - 1, j);
+        }
+      };
+      return execute(str1.length - 1, str2.length - 1);
+    }
+
+    return function (str1, str2) {
+      var lcsLengthsMatrix = getLcsLengths(str1, str2);
+      return getLcs(str1, str2, lcsLengthsMatrix);
+    };
+  })();
+
+})(typeof window === 'undefined' ? module.exports : window);

From 57989d5a010610338ce5cdfc3aca0504ebd1f08b Mon Sep 17 00:00:00 2001
From: Krzysztof Grzybek <krzysztof.grzybek89@gmail.com>
Date: Fri, 23 Dec 2016 21:40:24 +0100
Subject: [PATCH 241/337] Add docs for longest common subsequence algorithm

---
 src/searching/longest-common-subsequence.js | 42 +++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/src/searching/longest-common-subsequence.js b/src/searching/longest-common-subsequence.js
index e0286944..01361142 100644
--- a/src/searching/longest-common-subsequence.js
+++ b/src/searching/longest-common-subsequence.js
@@ -3,6 +3,19 @@
 
   exports.longestCommonSubsequence = (function () {
 
+    /**
+     * Find the lengths of longest common sub-sequences
+     * of two strings and their substrings.
+     *
+     * Complexity: O(MN).
+     *
+     * @private
+     * @param {String} first string
+     * @param {String} second string
+     * @return {Array} two dimensional array with LCS
+     * lengths of input strings and their substrings.
+     *
+     */
     function getLcsLengths(str1, str2) {
       var result = [];
       for (var i = -1; i < str1.length; i = i + 1) {
@@ -20,6 +33,19 @@
       return result;
     }
 
+    /**
+     * Find longest common sub-sequences of two strings.
+     *
+     * Complexity: O(M + N).
+     *
+     * @private
+     * @param {String} first string
+     * @param {String} second string
+     * @return {Array} two dimensional array with LCS
+     * lengths of input strings and their substrings
+     * returned from 'getLcsLengths' function.
+     *
+     */
     function getLcs(str1, str2, lcsLengthsMatrix) {
       var execute = function (i, j) {
         if (!lcsLengthsMatrix[i][j]) {
@@ -35,6 +61,22 @@
       return execute(str1.length - 1, str2.length - 1);
     }
 
+    /**
+     * Algorithm from dynamic programming. It finds the longest
+     * common sub-sequence of two strings. For example for strings 'abcd'
+     * and 'axxcda' the longest common sub-sequence is 'acd'.
+     *
+     * @example
+     * var subsequence = require('path-to-algorithms/src/searching/'+
+     * 'longest-common-subsequence').longestCommonSubsequence;
+     * console.log(subsequence('abcd', 'axxcda'); // 'acd'
+     *
+     * @public
+     * @module searching/longest-common-subsequence
+     * @param {String} first input string.
+     * @param {String} second input string.
+     * @return {Array} Longest common subsequence.
+     */
     return function (str1, str2) {
       var lcsLengthsMatrix = getLcsLengths(str1, str2);
       return getLcs(str1, str2, lcsLengthsMatrix);

From eba273b314456c7e0447d30755db9b259e9609ad Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Thu, 5 Jan 2017 11:46:32 +0200
Subject: [PATCH 242/337] docs: update the list of contributors

---
 readme.md | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/readme.md b/readme.md
index 0c47c952..58f6cd1e 100644
--- a/readme.md
+++ b/readme.md
@@ -71,17 +71,21 @@ If the build is not successful fix your code in order the tests and jshint valid
 
 ## Contributors
 
-[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="lygstate" src="https://avatars.githubusercontent.com/u/121040?v=3&s=117" width="117">](https://github.com/lygstate) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="filipefalcaos" src="https://avatars.githubusercontent.com/u/9125631?v=3&s=117" width="117">](https://github.com/filipefalcaos) |
+[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="lygstate" src="https://avatars.githubusercontent.com/u/121040?v=3&s=117" width="117">](https://github.com/lygstate) |[<img alt="krzysztof-grzybek" src="https://avatars.githubusercontent.com/u/6236664?v=3&s=117" width="117">](https://github.com/krzysztof-grzybek) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[lygstate](https://github.com/lygstate) |[pvoznenko](https://github.com/pvoznenko) |[filipefalcaos](https://github.com/filipefalcaos) |
+[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[lygstate](https://github.com/lygstate) |[krzysztof-grzybek](https://github.com/krzysztof-grzybek) |[pvoznenko](https://github.com/pvoznenko) |
 
-[<img alt="lekkas" src="https://avatars.githubusercontent.com/u/5211478?v=3&s=117" width="117">](https://github.com/lekkas) |[<img alt="deniskyashif" src="https://avatars.githubusercontent.com/u/5999271?v=3&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="infusion" src="https://avatars.githubusercontent.com/u/197742?v=3&s=117" width="117">](https://github.com/infusion) |[<img alt="designeng" src="https://avatars.githubusercontent.com/u/2807469?v=3&s=117" width="117">](https://github.com/designeng) |[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="ysharplanguage" src="https://avatars.githubusercontent.com/u/1055314?v=3&s=117" width="117">](https://github.com/ysharplanguage) |
+[<img alt="filipefalcaos" src="https://avatars.githubusercontent.com/u/9125631?v=3&s=117" width="117">](https://github.com/filipefalcaos) |[<img alt="lekkas" src="https://avatars.githubusercontent.com/u/5211478?v=3&s=117" width="117">](https://github.com/lekkas) |[<img alt="infusion" src="https://avatars.githubusercontent.com/u/197742?v=3&s=117" width="117">](https://github.com/infusion) |[<img alt="deniskyashif" src="https://avatars.githubusercontent.com/u/5999271?v=3&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="designeng" src="https://avatars.githubusercontent.com/u/2807469?v=3&s=117" width="117">](https://github.com/designeng) |[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |
 :---: |:---: |:---: |:---: |:---: |:---: |
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+[filipefalcaos](https://github.com/filipefalcaos) |[lekkas](https://github.com/lekkas) |[infusion](https://github.com/infusion) |[deniskyashif](https://github.com/deniskyashif) |[designeng](https://github.com/designeng) |[Microfed](https://github.com/Microfed) |
 
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-:---: |:---: |
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+[<img alt="pkerpedjiev" src="https://avatars.githubusercontent.com/u/2143629?v=3&s=117" width="117">](https://github.com/pkerpedjiev) |[<img alt="Xuefeng-Zhu" src="https://avatars.githubusercontent.com/u/5875315?v=3&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="mik-laj" src="https://avatars.githubusercontent.com/u/12058428?v=3&s=117" width="117">](https://github.com/mik-laj) |[<img alt="amilajack" src="https://avatars.githubusercontent.com/u/6374832?v=3&s=117" width="117">](https://github.com/amilajack) |[<img alt="ysharplanguage" src="https://avatars.githubusercontent.com/u/1055314?v=3&s=117" width="117">](https://github.com/ysharplanguage) |[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |
+:---: |:---: |:---: |:---: |:---: |:---: |
+[pkerpedjiev](https://github.com/pkerpedjiev) |[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[mik-laj](https://github.com/mik-laj) |[amilajack](https://github.com/amilajack) |[ysharplanguage](https://github.com/ysharplanguage) |[contra](https://github.com/contra) |
+
+[<img alt="liesislukas" src="https://avatars.githubusercontent.com/u/2733862?v=3&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars.githubusercontent.com/u/12432794?v=3&s=117" width="117">](https://github.com/millerrach) |[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |
+:---: |:---: |:---: |
+[liesislukas](https://github.com/liesislukas) |[millerrach](https://github.com/millerrach) |[fanixk](https://github.com/fanixk) |
 
 ## License
 

From 34217fff31436c30a9c1c076bed3822eff070f6e Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Fri, 10 Feb 2017 16:31:53 -0800
Subject: [PATCH 243/337] feat(DataStructures): add segment tree

---
 src/data-structures/segment-tree.js       | 105 ++++++++++++++++++++++
 test/data-structures/segment-tree.spec.js |  89 ++++++++++++++++++
 2 files changed, 194 insertions(+)
 create mode 100644 src/data-structures/segment-tree.js
 create mode 100644 test/data-structures/segment-tree.spec.js

diff --git a/src/data-structures/segment-tree.js b/src/data-structures/segment-tree.js
new file mode 100644
index 00000000..4acc1f60
--- /dev/null
+++ b/src/data-structures/segment-tree.js
@@ -0,0 +1,105 @@
+/**
+ * Implementation of a segment tree.
+ *
+ * @example
+ * var SegmentTree = require('path-to-algorithms/src/data-structures'+
+ * '/segment-tree').SegmentTree;
+ *
+ * var tree = SegmentTree.indexArray([-1, 2, 4, 0], Infinity, function (a, b) {
+ *   return Math.min(a, b);
+ * });
+ *
+ * @public
+ * @constructor
+ * @param {any} placeholder A placeholder value dpendent on the aggregate.
+ * @param {Function} aggregate Generates the values for the intermediate nodes.
+ * @module data-structures/segment-tree
+ */
+(function (exports) {
+
+  'use strict';
+
+  /**
+   * SegmentTree constructor.
+   *
+   * @public
+   * @constructor
+   * @param {any} invalidValue Invalid value to be returned depending
+   *  on the aggregate.
+   * @param {Function} aggregate Function to generate the intermediate
+   *  values in the tree.
+   */
+  function SegmentTree(invalidValue, aggregate) {
+    this._data = [];
+    this._original = null;
+    this._invalidValue = invalidValue;
+    this._aggregate = aggregate;
+  }
+
+  /**
+   * Creates a segment tree using an array passed as element.
+   *
+   * @static
+   * @public
+   * @param {Array} array Array to be indexed.
+   * @param {Function} aggregate Function used for generation of
+   *  intermediate nodes.
+   */
+  SegmentTree.indexArray = function (array, placeholder, aggregate) {
+    var segmentize = function (original, data, lo, hi, idx) {
+      if (lo === hi) {
+        data[idx] = original[lo];
+      } else {
+        var mid = Math.floor((lo + hi) / 2);
+        var left = 2 * idx + 1;
+        var right = 2 * idx + 2;
+        segmentize(original, data, lo, mid, left);
+        segmentize(original, data, mid + 1, hi, right);
+        data[idx] = aggregate(data[left], data[right]);
+      }
+    };
+    var result = [];
+    if (array && array.length) {
+      segmentize(array, result, 0, array.length - 1, 0);
+    }
+    var tree = new SegmentTree(placeholder, aggregate);
+    tree._data = result;
+    tree._original = array;
+    return tree;
+  };
+
+  /**
+   * Queries the SegmentTree in given range based on the set aggregate.
+   *
+   * @param {Number} start The start index of the interval.
+   * @param {Number} end The end index of the interval.
+   */
+  SegmentTree.prototype.query = function (start, end) {
+    if (start > end) {
+      throw new Error('The start index should be smaller by the end index');
+    }
+    var findEl = function (originalArrayStart, originalArrayEnd, current) {
+      if (start > originalArrayEnd) {
+        return this._invalidValue;
+      }
+      if (end < originalArrayStart) {
+        return this._invalidValue;
+      }
+      if (start === originalArrayStart && end === originalArrayEnd ||
+          originalArrayStart === originalArrayEnd) {
+        return this._data[current];
+      }
+      var originalArrayMid =
+        Math.floor((originalArrayStart + originalArrayEnd) / 2);
+      return this._aggregate(
+        findEl(originalArrayStart, originalArrayMid, 2 * current + 1),
+        findEl(originalArrayMid + 1, originalArrayEnd, 2 * current + 2)
+      );
+    }.bind(this);
+    return findEl(0, this._original.length - 1, 0, this._aggregate);
+  };
+
+  exports.SegmentTree = SegmentTree;
+
+}(typeof window === 'undefined' ? module.exports : window));
+
diff --git a/test/data-structures/segment-tree.spec.js b/test/data-structures/segment-tree.spec.js
new file mode 100644
index 00000000..4679d5cd
--- /dev/null
+++ b/test/data-structures/segment-tree.spec.js
@@ -0,0 +1,89 @@
+'use strict';
+
+var SegmentTree = require('../../src/data-structures/segment-tree.js')
+  .SegmentTree;
+
+var defaultAggregate = function (a, b) {
+  return Math.min(a, b);
+};
+
+describe('Segment Tree', function () {
+
+  describe('indexing', function () {
+
+    it('should be a constructor function', function () {
+      expect(typeof SegmentTree).toBe('function');
+    });
+
+    it('should start with null original array', function () {
+      expect(new SegmentTree()._original).toBe(null);
+    });
+
+    it('should start with empty array as data', function () {
+      expect(new SegmentTree()._data).not.toBe(null);
+      expect(new SegmentTree()._data.length).toBe(0);
+    });
+
+    it('should work with empty arrays', function () {
+      var tree = SegmentTree.indexArray([], Infinity, defaultAggregate);
+      expect(tree._data).toBeTruthy();
+      expect(tree._data.length).toBe(0);
+    });
+
+    it('should index arrays with one element', function () {
+      var tree = SegmentTree.indexArray([1], Infinity, defaultAggregate);
+      expect(tree._data).toBeTruthy();
+      expect(tree._data.length).toBe(1);
+    });
+
+    it('should index any array', function () {
+      var tree = SegmentTree.indexArray([1, 2, 3], Infinity, defaultAggregate);
+      expect(tree._data).toEqual([1, 1, 3, 1, 2]);
+
+      tree = SegmentTree.indexArray([1, 2, 3, 6], Infinity, defaultAggregate);
+      expect(tree._data).toEqual([1, 1, 3, 1, 2, 3, 6]);
+    });
+
+  });
+
+  describe('should find the proper value at given interval', function () {
+
+    it('should properly find the minimum when in range', function () {
+      var tree = SegmentTree.indexArray([1], Infinity, defaultAggregate);
+      expect(tree.query(0, 0)).toBe(1);
+
+      tree = SegmentTree.indexArray([1, 2], Infinity, defaultAggregate);
+      expect(tree.query(0, 0)).toBe(1);
+      expect(tree.query(0, 1)).toBe(1);
+      expect(tree.query(1, 1)).toBe(2);
+
+      tree = SegmentTree.indexArray([1, -1, 2], Infinity, defaultAggregate);
+      expect(tree.query(0, 2)).toBe(-1);
+      expect(tree.query(0, 1)).toBe(-1);
+      expect(tree.query(1, 1)).toBe(-1);
+      expect(tree.query(1, 2)).toBe(-1);
+      expect(tree.query(2, 2)).toBe(2);
+    });
+
+    it('should properly find the minimum when outside range', function () {
+      var tree = SegmentTree.indexArray([1], Infinity, defaultAggregate);
+      expect(tree.query(0, 2)).toBe(1);
+
+      tree = SegmentTree.indexArray([1, 2, 3], Infinity, defaultAggregate);
+      expect(tree.query(0, 20)).toBe(1);
+      expect(tree.query(2, 20)).toBe(3);
+      expect(Number.isFinite(tree.query(20, 25))).toBe(false);
+    });
+
+    it('should throw when the start index is bigger than end', function () {
+      var tree = SegmentTree.indexArray([1], Infinity, defaultAggregate);
+      expect(function () {
+        tree.query(2, 1);
+      }).toThrow();
+      expect(function () {
+        tree.query(1, 1);
+      }).not.toThrow();
+    });
+  });
+});
+

From 8369dca78cbfc04fdddbd360e1d13fc90440f0c8 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Mon, 27 Feb 2017 20:14:32 -0800
Subject: [PATCH 244/337] docs: update readme

---
 readme.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/readme.md b/readme.md
index 58f6cd1e..50b3aaa8 100644
--- a/readme.md
+++ b/readme.md
@@ -90,3 +90,4 @@ If the build is not successful fix your code in order the tests and jshint valid
 ## License
 
 The code in this repository is distributed under the terms of the MIT license.
+

From 40b0658968be46a3b4c5087b8032d2088b826ee5 Mon Sep 17 00:00:00 2001
From: shaunak <shaunak1111@gmail.com>
Date: Wed, 22 Mar 2017 15:06:30 +0530
Subject: [PATCH 245/337] Level Order Traversal for red black tree using queue.

---
 src/data-structures/red-black-tree.js       | 30 +++++++++++++++++++++
 test/data-structures/red-black-tree.spec.js | 16 +++++++++++
 2 files changed, 46 insertions(+)

diff --git a/src/data-structures/red-black-tree.js b/src/data-structures/red-black-tree.js
index 2a6c487d..997dc8cd 100644
--- a/src/data-structures/red-black-tree.js
+++ b/src/data-structures/red-black-tree.js
@@ -266,4 +266,34 @@
     }
   };
 
+  /**
+  * Get Level Order Traversal for the given Red Black Tree,
+  * returns 'Tree is empty' string when tree has no Nodes.
+  * Complexity: O(N).
+  *
+  * @public
+  * @return {String} The keys of the tree in level order traversal.
+  *
+  */
+  exports.RBTree.prototype.levelOrderTraversal = function () {
+    var queue = [];
+    var levelOrderString = '';
+    if (this._root){
+      queue.push(this._root);
+    }else {
+      levelOrderString = ' Tree is empty';
+    }
+    while (queue.length !== 0){
+      var tempNode = queue.shift();
+      levelOrderString += ' ' + tempNode.getKey();
+      if (tempNode.getLeft() !== null){
+        queue.push(tempNode.getLeft());
+      }
+      if (tempNode.getRight() !== null){
+        queue.push(tempNode.getRight());
+      }
+    }
+    return 'Level Order Traversal -:' + levelOrderString;
+  };
+
 })(typeof window === 'undefined' ? module.exports : window);
diff --git a/test/data-structures/red-black-tree.spec.js b/test/data-structures/red-black-tree.spec.js
index ca2ab9bd..085de6a8 100644
--- a/test/data-structures/red-black-tree.spec.js
+++ b/test/data-structures/red-black-tree.spec.js
@@ -97,4 +97,20 @@ describe('RBTree', function () {
     });
   });
 
+  describe('levelOrderTraversal method', function () {
+    it('should be able to traverse tree in level order', function () {
+      var tree = new RBTree();
+      expect(tree.levelOrderTraversal()).toBe('Level Order Traversal -: Tree is empty');
+      tree.put(10);
+      tree.put(20);
+      expect(tree.levelOrderTraversal()).toBe('Level Order Traversal -: 20 10');
+      tree.put(30);
+      expect(tree.levelOrderTraversal()).toBe('Level Order Traversal -: 20 10 30');
+      tree.put(45);
+      expect(tree.levelOrderTraversal()).toBe('Level Order Traversal -: 20 10 45 30');
+      tree.put(5);
+      expect(tree.levelOrderTraversal()).toBe('Level Order Traversal -: 20 10 45 5 30');
+    });
+  });
+
 });

From 26c4f33a06d21fc4d48672c04bd444fe6dda1b3d Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Tue, 2 May 2017 23:50:52 -0700
Subject: [PATCH 246/337] docs: update the list of contributors

---
 readme.md | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/readme.md b/readme.md
index 50b3aaa8..7e5e212a 100644
--- a/readme.md
+++ b/readme.md
@@ -71,21 +71,21 @@ If the build is not successful fix your code in order the tests and jshint valid
 
 ## Contributors
 
-[<img alt="mgechev" src="https://avatars.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="lygstate" src="https://avatars.githubusercontent.com/u/121040?v=3&s=117" width="117">](https://github.com/lygstate) |[<img alt="krzysztof-grzybek" src="https://avatars.githubusercontent.com/u/6236664?v=3&s=117" width="117">](https://github.com/krzysztof-grzybek) |[<img alt="pvoznenko" src="https://avatars.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |
+[<img alt="mgechev" src="https://avatars2.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars2.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars2.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="lygstate" src="https://avatars0.githubusercontent.com/u/121040?v=3&s=117" width="117">](https://github.com/lygstate) |[<img alt="krzysztof-grzybek" src="https://avatars3.githubusercontent.com/u/6236664?v=3&s=117" width="117">](https://github.com/krzysztof-grzybek) |[<img alt="pvoznenko" src="https://avatars0.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |
 :---: |:---: |:---: |:---: |:---: |:---: |
 [mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[lygstate](https://github.com/lygstate) |[krzysztof-grzybek](https://github.com/krzysztof-grzybek) |[pvoznenko](https://github.com/pvoznenko) |
 
-[<img alt="filipefalcaos" src="https://avatars.githubusercontent.com/u/9125631?v=3&s=117" width="117">](https://github.com/filipefalcaos) |[<img alt="lekkas" src="https://avatars.githubusercontent.com/u/5211478?v=3&s=117" width="117">](https://github.com/lekkas) |[<img alt="infusion" src="https://avatars.githubusercontent.com/u/197742?v=3&s=117" width="117">](https://github.com/infusion) |[<img alt="deniskyashif" src="https://avatars.githubusercontent.com/u/5999271?v=3&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="designeng" src="https://avatars.githubusercontent.com/u/2807469?v=3&s=117" width="117">](https://github.com/designeng) |[<img alt="Microfed" src="https://avatars.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |
+[<img alt="filipefalcaos" src="https://avatars1.githubusercontent.com/u/9125631?v=3&s=117" width="117">](https://github.com/filipefalcaos) |[<img alt="lekkas" src="https://avatars0.githubusercontent.com/u/5211478?v=3&s=117" width="117">](https://github.com/lekkas) |[<img alt="infusion" src="https://avatars0.githubusercontent.com/u/197742?v=3&s=117" width="117">](https://github.com/infusion) |[<img alt="deniskyashif" src="https://avatars1.githubusercontent.com/u/5999271?v=3&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="designeng" src="https://avatars3.githubusercontent.com/u/2807469?v=3&s=117" width="117">](https://github.com/designeng) |[<img alt="Microfed" src="https://avatars2.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |
 :---: |:---: |:---: |:---: |:---: |:---: |
 [filipefalcaos](https://github.com/filipefalcaos) |[lekkas](https://github.com/lekkas) |[infusion](https://github.com/infusion) |[deniskyashif](https://github.com/deniskyashif) |[designeng](https://github.com/designeng) |[Microfed](https://github.com/Microfed) |
 
-[<img alt="pkerpedjiev" src="https://avatars.githubusercontent.com/u/2143629?v=3&s=117" width="117">](https://github.com/pkerpedjiev) |[<img alt="Xuefeng-Zhu" src="https://avatars.githubusercontent.com/u/5875315?v=3&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="mik-laj" src="https://avatars.githubusercontent.com/u/12058428?v=3&s=117" width="117">](https://github.com/mik-laj) |[<img alt="amilajack" src="https://avatars.githubusercontent.com/u/6374832?v=3&s=117" width="117">](https://github.com/amilajack) |[<img alt="ysharplanguage" src="https://avatars.githubusercontent.com/u/1055314?v=3&s=117" width="117">](https://github.com/ysharplanguage) |[<img alt="contra" src="https://avatars.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |
+[<img alt="pkerpedjiev" src="https://avatars0.githubusercontent.com/u/2143629?v=3&s=117" width="117">](https://github.com/pkerpedjiev) |[<img alt="Xuefeng-Zhu" src="https://avatars3.githubusercontent.com/u/5875315?v=3&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="mik-laj" src="https://avatars2.githubusercontent.com/u/12058428?v=3&s=117" width="117">](https://github.com/mik-laj) |[<img alt="amilajack" src="https://avatars2.githubusercontent.com/u/6374832?v=3&s=117" width="117">](https://github.com/amilajack) |[<img alt="ysharplanguage" src="https://avatars3.githubusercontent.com/u/1055314?v=3&s=117" width="117">](https://github.com/ysharplanguage) |[<img alt="contra" src="https://avatars3.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |
 :---: |:---: |:---: |:---: |:---: |:---: |
 [pkerpedjiev](https://github.com/pkerpedjiev) |[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[mik-laj](https://github.com/mik-laj) |[amilajack](https://github.com/amilajack) |[ysharplanguage](https://github.com/ysharplanguage) |[contra](https://github.com/contra) |
 
-[<img alt="liesislukas" src="https://avatars.githubusercontent.com/u/2733862?v=3&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars.githubusercontent.com/u/12432794?v=3&s=117" width="117">](https://github.com/millerrach) |[<img alt="fanixk" src="https://avatars.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |
-:---: |:---: |:---: |
-[liesislukas](https://github.com/liesislukas) |[millerrach](https://github.com/millerrach) |[fanixk](https://github.com/fanixk) |
+[<img alt="liesislukas" src="https://avatars0.githubusercontent.com/u/2733862?v=3&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars1.githubusercontent.com/u/12432794?v=3&s=117" width="117">](https://github.com/millerrach) |[<img alt="fanixk" src="https://avatars1.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |[<img alt="shaunak1111" src="https://avatars0.githubusercontent.com/u/1323960?v=3&s=117" width="117">](https://github.com/shaunak1111) |
+:---: |:---: |:---: |:---: |
+[liesislukas](https://github.com/liesislukas) |[millerrach](https://github.com/millerrach) |[fanixk](https://github.com/fanixk) |[shaunak1111](https://github.com/shaunak1111) |
 
 ## License
 

From 6da97dd53bf1b784888cba671c9cea073462b534 Mon Sep 17 00:00:00 2001
From: Kado <kdamball@users.noreply.github.com>
Date: Fri, 12 May 2017 10:53:45 +0200
Subject: [PATCH 247/337] Swap the two using es6 deconstruction

---
 src/shuffle/fisheryates.js | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/shuffle/fisheryates.js b/src/shuffle/fisheryates.js
index 2951ff0a..ccb26734 100644
--- a/src/shuffle/fisheryates.js
+++ b/src/shuffle/fisheryates.js
@@ -20,12 +20,9 @@
   function shuffle(array) {
     var size = array.length;
     var rand;
-    var temp;
     for (var i = 0; i < size; i += 1) {
       rand = Math.floor(i + Math.random() * (size - i));
-      temp = array[rand];
-      array[rand] = array[i];
-      array[i] = temp;
+      [array[rand], array[i]] = [array[i], array[rand]];
     }
     return array;
   }

From 61ca87e1046d709b4aefcbfd89c31584de5b9c8e Mon Sep 17 00:00:00 2001
From: Kado <kdamball@users.noreply.github.com>
Date: Fri, 12 May 2017 11:36:23 +0200
Subject: [PATCH 248/337] Update readme.md

---
 readme.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/readme.md b/readme.md
index 7e5e212a..18369f48 100644
--- a/readme.md
+++ b/readme.md
@@ -83,9 +83,9 @@ If the build is not successful fix your code in order the tests and jshint valid
 :---: |:---: |:---: |:---: |:---: |:---: |
 [pkerpedjiev](https://github.com/pkerpedjiev) |[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[mik-laj](https://github.com/mik-laj) |[amilajack](https://github.com/amilajack) |[ysharplanguage](https://github.com/ysharplanguage) |[contra](https://github.com/contra) |
 
-[<img alt="liesislukas" src="https://avatars0.githubusercontent.com/u/2733862?v=3&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars1.githubusercontent.com/u/12432794?v=3&s=117" width="117">](https://github.com/millerrach) |[<img alt="fanixk" src="https://avatars1.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |[<img alt="shaunak1111" src="https://avatars0.githubusercontent.com/u/1323960?v=3&s=117" width="117">](https://github.com/shaunak1111) |
+[<img alt="liesislukas" src="https://avatars0.githubusercontent.com/u/2733862?v=3&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars1.githubusercontent.com/u/12432794?v=3&s=117" width="117">](https://github.com/millerrach) |[<img alt="fanixk" src="https://avatars1.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |[<img alt="shaunak1111" src="https://avatars0.githubusercontent.com/u/3318312?v=3&s=117" width="117">](https://github.com/shaunak1111) | |[<img alt="kdamball" src="https://avatars0.githubusercontent.com/u/3318312?v=3&s=117" width="117">](https://github.com/kdamball) |
 :---: |:---: |:---: |:---: |
-[liesislukas](https://github.com/liesislukas) |[millerrach](https://github.com/millerrach) |[fanixk](https://github.com/fanixk) |[shaunak1111](https://github.com/shaunak1111) |
+[liesislukas](https://github.com/liesislukas) |[millerrach](https://github.com/millerrach) |[fanixk](https://github.com/fanixk) |[shaunak1111](https://github.com/shaunak1111) |[kdamball](https://github.com/kdamball) |
 
 ## License
 

From 47e36a4723a321936667bb4bab2b1212e67fa5e8 Mon Sep 17 00:00:00 2001
From: Kado <kdamball@users.noreply.github.com>
Date: Fri, 12 May 2017 11:48:25 +0200
Subject: [PATCH 249/337] fix Contributions table layout

---
 readme.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/readme.md b/readme.md
index 18369f48..e20eeea0 100644
--- a/readme.md
+++ b/readme.md
@@ -83,8 +83,8 @@ If the build is not successful fix your code in order the tests and jshint valid
 :---: |:---: |:---: |:---: |:---: |:---: |
 [pkerpedjiev](https://github.com/pkerpedjiev) |[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[mik-laj](https://github.com/mik-laj) |[amilajack](https://github.com/amilajack) |[ysharplanguage](https://github.com/ysharplanguage) |[contra](https://github.com/contra) |
 
-[<img alt="liesislukas" src="https://avatars0.githubusercontent.com/u/2733862?v=3&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars1.githubusercontent.com/u/12432794?v=3&s=117" width="117">](https://github.com/millerrach) |[<img alt="fanixk" src="https://avatars1.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |[<img alt="shaunak1111" src="https://avatars0.githubusercontent.com/u/3318312?v=3&s=117" width="117">](https://github.com/shaunak1111) | |[<img alt="kdamball" src="https://avatars0.githubusercontent.com/u/3318312?v=3&s=117" width="117">](https://github.com/kdamball) |
-:---: |:---: |:---: |:---: |
+[<img alt="liesislukas" src="https://avatars0.githubusercontent.com/u/2733862?v=3&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars1.githubusercontent.com/u/12432794?v=3&s=117" width="117">](https://github.com/millerrach) |[<img alt="fanixk" src="https://avatars1.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |[<img alt="shaunak1111" src="https://avatars0.githubusercontent.com/u/1323960?v=3&s=117" width="117">](https://github.com/shaunak1111)|[<img alt="kdamball" src="https://avatars0.githubusercontent.com/u/3318312?v=3&s=117" width="117">](https://github.com/kdamball) |
+:---: |:---: |:---: |:---: |:---: |
 [liesislukas](https://github.com/liesislukas) |[millerrach](https://github.com/millerrach) |[fanixk](https://github.com/fanixk) |[shaunak1111](https://github.com/shaunak1111) |[kdamball](https://github.com/kdamball) |
 
 ## License

From e2abe6b898c81359daf8752f17c5dc85aa9b7efb Mon Sep 17 00:00:00 2001
From: Jett Calleja <jettcalleja@gmail.com>
Date: Fri, 12 May 2017 18:23:39 +0800
Subject: [PATCH 250/337] add Minkowski Distance

---
 src/others/minkowski-distance.js       | 84 ++++++++++++++++++++++++++
 test/others/minkowski-distance.spec.js | 42 +++++++++++++
 2 files changed, 126 insertions(+)
 create mode 100644 src/others/minkowski-distance.js
 create mode 100644 test/others/minkowski-distance.spec.js

diff --git a/src/others/minkowski-distance.js b/src/others/minkowski-distance.js
new file mode 100644
index 00000000..caf662fb
--- /dev/null
+++ b/src/others/minkowski-distance.js
@@ -0,0 +1,84 @@
+(function (exports) {
+  'use strict';
+
+  var minkowskiDistance = (function () {
+
+    function chebyshevDistance (x, y, lx, p, mathfn) {
+      var ret = -p;
+      var i;
+      
+      for (i = 0; i < lx; i++) {
+        ret = mathfn(ret, Math.abs(x[i] - y[i]));
+      } 
+
+      return ret;
+    }
+
+    function minkowskiDistance (x, lx, y, ly, p) {
+      var d;
+      var i;
+
+      if (lx !== ly) {
+        throw '2 points must have same array length';
+      }
+
+      if (isNaN(p)) {
+        throw 'p must be a number';
+      }
+
+      if (p === Number.POSITIVE_INFINITY) {
+        return chebyshevDistance(x, y, lx, p, Math.max);
+      }
+      else if (p === Number.NEGATIVE_INFINITY) {
+        return chebyshevDistance(x, y, lx, p, Math.min);
+      }
+      else if (p < 1) {
+        throw 'p less than 1 will violate triangle inequality';
+      }
+      else {
+        d = 0;
+
+        for (i = 0; i < lx; i++) {
+          d += Math.pow(Math.abs(x[i] - y[i]), p);
+        }
+
+        return isNaN(d)
+          ? 0
+          : Math.pow(d, 1/p);
+      }
+
+    }
+
+
+    /**
+     * The Minkowski distance between two points gets generalized 
+     * metric distance
+     * 
+     * when p === 1, this becomes same as Manhattan Distance
+     * when p === 2, this becomes same as Euclidean Distance
+     * when p === Positive or Negative Infinity,
+     *  this becomes chebyshev distance
+     *
+     * @public
+     * @module others/minkowski-distance
+     *
+     * @example
+     * var dist = require('path-to-algorithms/src/others/' +
+     * 'minkowski-distance').minkowskiDistance;
+     * console.log(dist([0, 1], [1, 1], 2)); // 1
+     * 
+     * @param {Array} x source point
+     * @param {Array} y target point
+     * @param {Number} p order of Minkowski distance
+     * @returns {Number} distance between two points, if distance
+     * is NaN, then this returns 0
+     */
+    return function (x, y, p) {
+      return minkowskiDistance (x, x.length, y, y.length, p);
+    }
+  }());
+
+
+  exports.minkowskiDistance = minkowskiDistance;
+
+}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
diff --git a/test/others/minkowski-distance.spec.js b/test/others/minkowski-distance.spec.js
new file mode 100644
index 00000000..cd97f3fe
--- /dev/null
+++ b/test/others/minkowski-distance.spec.js
@@ -0,0 +1,42 @@
+'use strict';
+
+var mod = require('../../src/others/minkowski-distance.js');
+var minkowskiDistance = mod.minkowskiDistance;
+
+describe('Minkowski Distance', function () {
+  it('should return 1 with points (0, 1), (1, 1) in order 1.', function () {
+    expect(minkowskiDistance([0, 1], [1, 1], 1)).toBe(1);
+  });
+  it('should return 2 with points (0, 1), (1, 1) in order 2.', function () {
+    expect(minkowskiDistance([0, 1], [1, 1], 2)).toBe(1);
+  });
+  it('should return 2 with points (0, 1, 4), (1, 1, 6) in order Positive Infinity.', function () {
+    expect(minkowskiDistance([0, 1, 4], [1, 1, 6], Number.POSITIVE_INFINITY)).toBe(2);
+  });
+  it('should return 0 with points (0, 1, 4), (1, 1, 6) in order Negative Infinity.', function () {
+    expect(minkowskiDistance([0, 1, 4], [1, 1, 6], Number.NEGATIVE_INFINITY)).toBe(0);
+  });
+  it('should return 8.372966759705923 with points (0, 3, 4, 5), (7, 6, 3, -1) in order 3.', function () {
+    expect(minkowskiDistance([0, 1, 4], [1, 1, 6], Number.NEGATIVE_INFINITY)).toBe(0);
+  });
+  it('should throw when 2 points are not in equal length', function () {
+    expect( function () {
+      minkowskiDistance([1, 2], [1], 1)
+    }).toThrow('2 points must have same array length');
+  });
+  it('should throw when p is not defined', function () {
+    expect( function () {
+      minkowskiDistance([1, 2], [1, 2])
+    }).toThrow('p must be a number');
+  });
+  it('should throw when p is not a number', function () {
+    expect( function () {
+      minkowskiDistance([1, 2], [1, 2], NaN)
+    }).toThrow('p must be a number');
+  });
+  it('should throw when p is less than 1', function () {
+    expect( function () {
+      minkowskiDistance([1, 2], [1, 2], 0)
+    }).toThrow('p less than 1 will violate triangle inequality');
+  });
+});

From 5ec5a9bd043daff88bda5851b90c9c35ba732ead Mon Sep 17 00:00:00 2001
From: Jett Calleja <jettcalleja@gmail.com>
Date: Fri, 12 May 2017 18:48:40 +0800
Subject: [PATCH 251/337] JsLint

---
 src/others/minkowski-distance.js       | 31 +++++++++++---------------
 test/others/minkowski-distance.spec.js |  8 +++----
 2 files changed, 17 insertions(+), 22 deletions(-)

diff --git a/src/others/minkowski-distance.js b/src/others/minkowski-distance.js
index caf662fb..bccecd85 100644
--- a/src/others/minkowski-distance.js
+++ b/src/others/minkowski-distance.js
@@ -6,10 +6,10 @@
     function chebyshevDistance (x, y, lx, p, mathfn) {
       var ret = -p;
       var i;
-      
-      for (i = 0; i < lx; i++) {
+
+      for (i = 0; i < lx; i += 1) {
         ret = mathfn(ret, Math.abs(x[i] - y[i]));
-      } 
+      }
 
       return ret;
     }
@@ -28,32 +28,28 @@
 
       if (p === Number.POSITIVE_INFINITY) {
         return chebyshevDistance(x, y, lx, p, Math.max);
-      }
-      else if (p === Number.NEGATIVE_INFINITY) {
+      } else if (p === Number.NEGATIVE_INFINITY) {
         return chebyshevDistance(x, y, lx, p, Math.min);
-      }
-      else if (p < 1) {
+      } else if (p < 1) {
         throw 'p less than 1 will violate triangle inequality';
-      }
-      else {
+      } else {
         d = 0;
 
-        for (i = 0; i < lx; i++) {
+        for (i = 0; i < lx; i += 1) {
           d += Math.pow(Math.abs(x[i] - y[i]), p);
         }
 
         return isNaN(d)
           ? 0
-          : Math.pow(d, 1/p);
+          : Math.pow(d, 1 / p);
+
       }
 
     }
 
-
     /**
-     * The Minkowski distance between two points gets generalized 
+     * The Minkowski distance between two points gets generalized
      * metric distance
-     * 
      * when p === 1, this becomes same as Manhattan Distance
      * when p === 2, this becomes same as Euclidean Distance
      * when p === Positive or Negative Infinity,
@@ -66,7 +62,7 @@
      * var dist = require('path-to-algorithms/src/others/' +
      * 'minkowski-distance').minkowskiDistance;
      * console.log(dist([0, 1], [1, 1], 2)); // 1
-     * 
+     *
      * @param {Array} x source point
      * @param {Array} y target point
      * @param {Number} p order of Minkowski distance
@@ -75,10 +71,9 @@
      */
     return function (x, y, p) {
       return minkowskiDistance (x, x.length, y, y.length, p);
-    }
+    };
   }());
 
-
   exports.minkowskiDistance = minkowskiDistance;
 
-}(typeof exports === 'undefined' ? window : exports));
\ No newline at end of file
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/test/others/minkowski-distance.spec.js b/test/others/minkowski-distance.spec.js
index cd97f3fe..9a5089cb 100644
--- a/test/others/minkowski-distance.spec.js
+++ b/test/others/minkowski-distance.spec.js
@@ -20,22 +20,22 @@ describe('Minkowski Distance', function () {
     expect(minkowskiDistance([0, 1, 4], [1, 1, 6], Number.NEGATIVE_INFINITY)).toBe(0);
   });
   it('should throw when 2 points are not in equal length', function () {
-    expect( function () {
+    expect(function () {
       minkowskiDistance([1, 2], [1], 1)
     }).toThrow('2 points must have same array length');
   });
   it('should throw when p is not defined', function () {
-    expect( function () {
+    expect(function () {
       minkowskiDistance([1, 2], [1, 2])
     }).toThrow('p must be a number');
   });
   it('should throw when p is not a number', function () {
-    expect( function () {
+    expect(function () {
       minkowskiDistance([1, 2], [1, 2], NaN)
     }).toThrow('p must be a number');
   });
   it('should throw when p is less than 1', function () {
-    expect( function () {
+    expect(function () {
       minkowskiDistance([1, 2], [1, 2], 0)
     }).toThrow('p less than 1 will violate triangle inequality');
   });

From f789338a64744d5609b94b5c9d815a276ae06158 Mon Sep 17 00:00:00 2001
From: Jett Calleja <jettcalleja@gmail.com>
Date: Sat, 13 May 2017 11:33:54 +0800
Subject: [PATCH 252/337] update requested changes

---
 src/others/minkowski-distance.js       |  6 +++---
 test/others/minkowski-distance.spec.js | 12 ++++++------
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/others/minkowski-distance.js b/src/others/minkowski-distance.js
index bccecd85..e917bf80 100644
--- a/src/others/minkowski-distance.js
+++ b/src/others/minkowski-distance.js
@@ -19,11 +19,11 @@
       var i;
 
       if (lx !== ly) {
-        throw '2 points must have same array length';
+        throw 'Both vectors should have same dimension';
       }
 
       if (isNaN(p)) {
-        throw 'p must be a number';
+        throw 'The order "p" must be a number';
       }
 
       if (p === Number.POSITIVE_INFINITY) {
@@ -31,7 +31,7 @@
       } else if (p === Number.NEGATIVE_INFINITY) {
         return chebyshevDistance(x, y, lx, p, Math.min);
       } else if (p < 1) {
-        throw 'p less than 1 will violate triangle inequality';
+        throw 'Order less than 1 will violate the triangle inequality';
       } else {
         d = 0;
 
diff --git a/test/others/minkowski-distance.spec.js b/test/others/minkowski-distance.spec.js
index 9a5089cb..fad96dff 100644
--- a/test/others/minkowski-distance.spec.js
+++ b/test/others/minkowski-distance.spec.js
@@ -17,26 +17,26 @@ describe('Minkowski Distance', function () {
     expect(minkowskiDistance([0, 1, 4], [1, 1, 6], Number.NEGATIVE_INFINITY)).toBe(0);
   });
   it('should return 8.372966759705923 with points (0, 3, 4, 5), (7, 6, 3, -1) in order 3.', function () {
-    expect(minkowskiDistance([0, 1, 4], [1, 1, 6], Number.NEGATIVE_INFINITY)).toBe(0);
+    expect(minkowskiDistance([0, 3, 4, 5], [7, 6, 3, -1], 3)).toBe(8.372966759705923);
   });
-  it('should throw when 2 points are not in equal length', function () {
+  it('should throw when both vectors don\'t have same dimension', function () {
     expect(function () {
       minkowskiDistance([1, 2], [1], 1)
-    }).toThrow('2 points must have same array length');
+    }).toThrow('Both vectors should have same dimension');
   });
   it('should throw when p is not defined', function () {
     expect(function () {
       minkowskiDistance([1, 2], [1, 2])
-    }).toThrow('p must be a number');
+    }).toThrow('The order "p" must be a number');
   });
   it('should throw when p is not a number', function () {
     expect(function () {
       minkowskiDistance([1, 2], [1, 2], NaN)
-    }).toThrow('p must be a number');
+    }).toThrow('The order "p" must be a number');
   });
   it('should throw when p is less than 1', function () {
     expect(function () {
       minkowskiDistance([1, 2], [1, 2], 0)
-    }).toThrow('p less than 1 will violate triangle inequality');
+    }).toThrow('Order less than 1 will violate the triangle inequality');
   });
 });

From 8f39577eb3d74e90127b80cd32d4ff111e915ca6 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 13 May 2017 09:50:10 -0700
Subject: [PATCH 253/337] docs: update the list of contributors

---
 readme.md | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/readme.md b/readme.md
index 7e5e212a..bfa865b3 100644
--- a/readme.md
+++ b/readme.md
@@ -75,17 +75,17 @@ If the build is not successful fix your code in order the tests and jshint valid
 :---: |:---: |:---: |:---: |:---: |:---: |
 [mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[lygstate](https://github.com/lygstate) |[krzysztof-grzybek](https://github.com/krzysztof-grzybek) |[pvoznenko](https://github.com/pvoznenko) |
 
-[<img alt="filipefalcaos" src="https://avatars1.githubusercontent.com/u/9125631?v=3&s=117" width="117">](https://github.com/filipefalcaos) |[<img alt="lekkas" src="https://avatars0.githubusercontent.com/u/5211478?v=3&s=117" width="117">](https://github.com/lekkas) |[<img alt="infusion" src="https://avatars0.githubusercontent.com/u/197742?v=3&s=117" width="117">](https://github.com/infusion) |[<img alt="deniskyashif" src="https://avatars1.githubusercontent.com/u/5999271?v=3&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="designeng" src="https://avatars3.githubusercontent.com/u/2807469?v=3&s=117" width="117">](https://github.com/designeng) |[<img alt="Microfed" src="https://avatars2.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |
+[<img alt="jettcalleja" src="https://avatars3.githubusercontent.com/u/6356258?v=3&s=117" width="117">](https://github.com/jettcalleja) |[<img alt="kdamball" src="https://avatars0.githubusercontent.com/u/3318312?v=3&s=117" width="117">](https://github.com/kdamball) |[<img alt="lekkas" src="https://avatars0.githubusercontent.com/u/5211478?v=3&s=117" width="117">](https://github.com/lekkas) |[<img alt="infusion" src="https://avatars0.githubusercontent.com/u/197742?v=3&s=117" width="117">](https://github.com/infusion) |[<img alt="deniskyashif" src="https://avatars1.githubusercontent.com/u/5999271?v=3&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="filipefalcaos" src="https://avatars1.githubusercontent.com/u/9125631?v=3&s=117" width="117">](https://github.com/filipefalcaos) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[filipefalcaos](https://github.com/filipefalcaos) |[lekkas](https://github.com/lekkas) |[infusion](https://github.com/infusion) |[deniskyashif](https://github.com/deniskyashif) |[designeng](https://github.com/designeng) |[Microfed](https://github.com/Microfed) |
+[jettcalleja](https://github.com/jettcalleja) |[kdamball](https://github.com/kdamball) |[lekkas](https://github.com/lekkas) |[infusion](https://github.com/infusion) |[deniskyashif](https://github.com/deniskyashif) |[filipefalcaos](https://github.com/filipefalcaos) |
 
-[<img alt="pkerpedjiev" src="https://avatars0.githubusercontent.com/u/2143629?v=3&s=117" width="117">](https://github.com/pkerpedjiev) |[<img alt="Xuefeng-Zhu" src="https://avatars3.githubusercontent.com/u/5875315?v=3&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="mik-laj" src="https://avatars2.githubusercontent.com/u/12058428?v=3&s=117" width="117">](https://github.com/mik-laj) |[<img alt="amilajack" src="https://avatars2.githubusercontent.com/u/6374832?v=3&s=117" width="117">](https://github.com/amilajack) |[<img alt="ysharplanguage" src="https://avatars3.githubusercontent.com/u/1055314?v=3&s=117" width="117">](https://github.com/ysharplanguage) |[<img alt="contra" src="https://avatars3.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |
+[<img alt="designeng" src="https://avatars3.githubusercontent.com/u/2807469?v=3&s=117" width="117">](https://github.com/designeng) |[<img alt="Microfed" src="https://avatars2.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="pkerpedjiev" src="https://avatars0.githubusercontent.com/u/2143629?v=3&s=117" width="117">](https://github.com/pkerpedjiev) |[<img alt="Xuefeng-Zhu" src="https://avatars3.githubusercontent.com/u/5875315?v=3&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="mik-laj" src="https://avatars2.githubusercontent.com/u/12058428?v=3&s=117" width="117">](https://github.com/mik-laj) |[<img alt="amilajack" src="https://avatars2.githubusercontent.com/u/6374832?v=3&s=117" width="117">](https://github.com/amilajack) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[pkerpedjiev](https://github.com/pkerpedjiev) |[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[mik-laj](https://github.com/mik-laj) |[amilajack](https://github.com/amilajack) |[ysharplanguage](https://github.com/ysharplanguage) |[contra](https://github.com/contra) |
+[designeng](https://github.com/designeng) |[Microfed](https://github.com/Microfed) |[pkerpedjiev](https://github.com/pkerpedjiev) |[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[mik-laj](https://github.com/mik-laj) |[amilajack](https://github.com/amilajack) |
 
-[<img alt="liesislukas" src="https://avatars0.githubusercontent.com/u/2733862?v=3&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars1.githubusercontent.com/u/12432794?v=3&s=117" width="117">](https://github.com/millerrach) |[<img alt="fanixk" src="https://avatars1.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |[<img alt="shaunak1111" src="https://avatars0.githubusercontent.com/u/1323960?v=3&s=117" width="117">](https://github.com/shaunak1111) |
-:---: |:---: |:---: |:---: |
-[liesislukas](https://github.com/liesislukas) |[millerrach](https://github.com/millerrach) |[fanixk](https://github.com/fanixk) |[shaunak1111](https://github.com/shaunak1111) |
+[<img alt="ysharplanguage" src="https://avatars3.githubusercontent.com/u/1055314?v=3&s=117" width="117">](https://github.com/ysharplanguage) |[<img alt="contra" src="https://avatars3.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="liesislukas" src="https://avatars0.githubusercontent.com/u/2733862?v=3&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars1.githubusercontent.com/u/12432794?v=3&s=117" width="117">](https://github.com/millerrach) |[<img alt="fanixk" src="https://avatars1.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |[<img alt="shaunak1111" src="https://avatars0.githubusercontent.com/u/1323960?v=3&s=117" width="117">](https://github.com/shaunak1111) |
+:---: |:---: |:---: |:---: |:---: |:---: |
+[ysharplanguage](https://github.com/ysharplanguage) |[contra](https://github.com/contra) |[liesislukas](https://github.com/liesislukas) |[millerrach](https://github.com/millerrach) |[fanixk](https://github.com/fanixk) |[shaunak1111](https://github.com/shaunak1111) |
 
 ## License
 

From fbd2d69803a26cc42305aa71b296e6ff7d79f522 Mon Sep 17 00:00:00 2001
From: zouyun <zouyun@v-secure.cn>
Date: Wed, 17 May 2017 18:23:55 +0800
Subject: [PATCH 254/337] update dijkstra

---
 src/graphs/shortest-path/dijkstra.js | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/graphs/shortest-path/dijkstra.js b/src/graphs/shortest-path/dijkstra.js
index 2b08fc1e..a2daf924 100644
--- a/src/graphs/shortest-path/dijkstra.js
+++ b/src/graphs/shortest-path/dijkstra.js
@@ -92,7 +92,7 @@
      * var shortestDist = dijkstra(0, 2, distMatrix); // 9
      */
     return function (src, dest, graph) {
-      var  tempDistance = 0;
+      var tempDistance = 0;
       init(src, graph);
       while (current.node !== dest && isFinite(current.distance)) {
         for (var i = 0; i < graph.length; i += 1) {
@@ -100,11 +100,10 @@
             !visited[i] && //and if we haven't visited this node
             //and this node is sibling of the current...
             Number.isFinite(graph[i][current.node])) {
-
+              
             tempDistance = current.distance + graph[i][current.node];
             if (tempDistance < distance[i].distance) {
               distance[i].distance = tempDistance;
-              current.distance = tempDistance;
               unvisited.update(current);
             }
           }

From 684eb10883a2ce7875c7b0288c1a4d68b738959d Mon Sep 17 00:00:00 2001
From: zouyun <zouyun@v-secure.cn>
Date: Wed, 17 May 2017 18:25:45 +0800
Subject: [PATCH 255/337] delete trailing space

---
 src/graphs/shortest-path/dijkstra.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/graphs/shortest-path/dijkstra.js b/src/graphs/shortest-path/dijkstra.js
index a2daf924..ea4a38e0 100644
--- a/src/graphs/shortest-path/dijkstra.js
+++ b/src/graphs/shortest-path/dijkstra.js
@@ -100,7 +100,7 @@
             !visited[i] && //and if we haven't visited this node
             //and this node is sibling of the current...
             Number.isFinite(graph[i][current.node])) {
-              
+
             tempDistance = current.distance + graph[i][current.node];
             if (tempDistance < distance[i].distance) {
               distance[i].distance = tempDistance;

From fe7e23550fc39cf76ee3829594be53b0c448500d Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Tue, 6 Jun 2017 23:17:00 -0400
Subject: [PATCH 256/337] build(lint): use eslint

---
 .eslintrc.json                                |  144 +
 .jscsrc                                       |    3 +-
 gulpfile.js                                   |   19 +-
 package-lock.json                             | 2343 +++++++++++++++++
 package.json                                  |    5 +-
 src/data-structures/avl-tree.js               |   58 +-
 src/data-structures/binary-search-tree.js     |    9 +-
 src/data-structures/interval-tree.js          |    3 +-
 src/data-structures/red-black-tree.js         |    2 +-
 src/data-structures/size-balanced-tree.js     |    5 +-
 src/graphs/spanning-trees/prim.js             |   67 +-
 .../longest-increasing-subsequence.js         |    4 +-
 test/data-structures/avl-tree.spec.js         |    6 +-
 .../binary-search-tree.spec.js                |    6 +-
 test/data-structures/hash-table.spec.js       |    6 +-
 test/data-structures/heap.spec.js             |    4 +-
 test/data-structures/interval-tree.spec.js    |    4 +-
 test/data-structures/linked-list.spec.js      |   13 +-
 test/data-structures/red-black-tree.spec.js   |    5 +-
 test/data-structures/segment-tree.spec.js     |    4 +-
 .../size-balanced-tree.spec.js                |   30 +-
 test/data-structures/splay-tree.spec.js       |    6 +-
 test/graphs/searching/bfs.spec.js             |    3 +-
 test/graphs/searching/dfs.spec.js             |   28 +-
 test/others/fibonacci.spec.js                 |    4 +-
 test/others/levenshtein-distance.spec.js      |    4 +-
 test/others/min-coins-sum.spec.js             |   11 +-
 test/others/minkowski-distance.spec.js        |    4 +-
 test/primes/is-prime.spec.js                  |    7 +-
 test/primes/prime-factor-tree.spec.js         |    8 +-
 test/primes/sieve-of-eratosthenes.spec.js     |   11 +-
 test/searching/binarysearch.spec.js           |    3 +-
 .../longest-common-subsequence.spec.js        |    3 +-
 .../longest-increasing-subsequence.spec.js    |    3 +-
 ...aximum-subarray-divide-and-conquer.spec.js |    3 +-
 test/searching/recursive-binarysearch.spec.js |    3 +-
 36 files changed, 2656 insertions(+), 185 deletions(-)
 create mode 100644 .eslintrc.json
 create mode 100644 package-lock.json

diff --git a/.eslintrc.json b/.eslintrc.json
new file mode 100644
index 00000000..0c7a9c7b
--- /dev/null
+++ b/.eslintrc.json
@@ -0,0 +1,144 @@
+{
+  "env": {
+    "browser": true,
+    "jquery": true,
+    "node": true
+  },
+  "globals": {
+    "expect": true,
+    "it": true,
+    "describe": true,
+    "beforeEach": true,
+    "afterEach": true
+  },
+  "parserOptions": {
+    "ecmaVersion": 6
+  },
+  "rules": {
+
+    "camelcase": 2,
+    "curly": 2,
+    "eqeqeq": 2,
+    "indent": [
+      2,
+      2,
+      {
+        "SwitchCase": 1
+      }
+    ],
+    "no-use-before-define": [
+      2,
+      {
+        "functions": false
+      }
+    ],
+    "no-caller": 2,
+    "new-cap": 0,
+    "quotes": [
+      2,
+      "single"
+    ],
+    "no-unused-vars": 2,
+    "strict": [
+      2,
+      "function"
+    ],
+    "no-extend-native": 2,
+    "wrap-iife": [
+      2,
+      "any"
+    ],
+    "no-empty": 2,
+    "no-plusplus": 2,
+    "no-undef": 2,
+    "linebreak-style": 2,
+    "max-depth": [
+      2,
+      4
+    ],
+    "no-loop-func": 2,
+    "complexity": [
+      2,
+      13
+    ],
+    "max-len": [
+      2,
+      {
+        "code": 120,
+        "ignoreComments": true
+      }
+    ],
+    "max-params": [
+      2,
+      5
+    ],
+
+
+    "curly": [
+      2,
+      "all"
+    ],
+    "keyword-spacing": [
+      2,
+      {}
+    ],
+    "one-var": [
+      2,
+      "never"
+    ],
+    "array-bracket-spacing": [
+      2,
+      "never",
+      {}
+    ],
+    "space-in-parens": [
+      2,
+      "never"
+    ],
+    "key-spacing": [
+      2,
+      {
+        "beforeColon": false,
+        "afterColon": true
+      }
+    ],
+    "quote-props": [
+      2,
+      "as-needed"
+    ],
+    "space-infix-ops": 2,
+    "space-unary-ops": [
+      2,
+      {
+        "words": false,
+        "nonwords": false
+      }
+    ],
+    "no-implicit-coercion": [
+      2,
+      {
+        "boolean": false,
+        "string": true,
+        "number": true
+      }
+    ],
+    "no-with": 2,
+    "no-multiple-empty-lines": 2,
+    "brace-style": [
+      2,
+      "1tbs",
+      {
+        "allowSingleLine": true
+      }
+    ],
+    "eol-last": 2,
+    "no-trailing-spaces": 2,
+    "indent": [
+      2,
+      2,
+      {
+        "SwitchCase": 1
+      }
+    ]
+  }
+}
diff --git a/.jscsrc b/.jscsrc
index 847fc3ee..c45cd225 100644
--- a/.jscsrc
+++ b/.jscsrc
@@ -5,7 +5,6 @@
     "beforeOpeningCurlyBrace": true
   },
   "disallowMultipleVarDecl": true,
-  "requireSpacesInsideObjectBrackets": "allButNested",
   "disallowSpacesInsideArrayBrackets": true,
   "disallowSpacesInsideParentheses": true,
   "disallowSpaceAfterObjectKeys": true,
@@ -26,4 +25,4 @@
   "disallowTrailingWhitespace": true,
   "excludeFiles": ["node_modules/**", "bower_components/**"],
   "validateIndentation": 2
-}
\ No newline at end of file
+}
diff --git a/gulpfile.js b/gulpfile.js
index 75f37af9..95f2a2c0 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -1,10 +1,8 @@
 'use strict';
 var gulp = require('gulp');
 var shell = require('gulp-shell');
-var jshint = require('gulp-jshint');
+var eslint = require('gulp-eslint');
 var jasmine = require('gulp-jasmine');
-var stylish = require('jshint-stylish');
-var jscs = require('gulp-jscs');
 var isWin = /^win/.test(process.platform);
 
 gulp.task('jsdoc', shell.task([
@@ -13,21 +11,16 @@ gulp.task('jsdoc', shell.task([
   './node_modules/.bin/jsdoc -c ./doc-config.json'
 ]));
 
-gulp.task('lint', function () {
-  return gulp.src(['./src/**/*.js'], ['./test/**/*.js'])
-    .pipe(jshint())
-    .pipe(jshint.reporter(stylish))
-    .pipe(jshint.reporter('fail'));
-});
-
 gulp.task('test', function () {
   return gulp.src('test/**/*.spec.js')
     .pipe(jasmine());
 });
 
-gulp.task('jscs', function () {
+gulp.task('lint', function () {
   return gulp.src(['src/**/*.js', 'test/**/*.js'])
-    .pipe(jscs());
+    .pipe(eslint())
+    .pipe(eslint.format())
+    .pipe(eslint.failAfterError());
 });
 
-gulp.task('build', ['lint', 'jscs', 'test']);
+gulp.task('build', ['lint', 'test']);
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 00000000..0fbe7a4c
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,2343 @@
+{
+  "name": "javascript-algorithms",
+  "version": "0.0.0",
+  "lockfileVersion": 1,
+  "dependencies": {
+    "acorn": {
+      "version": "5.0.3",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.0.3.tgz",
+      "integrity": "sha1-xGDfCEkUY/AozLguqzcwvwEIez0=",
+      "dev": true
+    },
+    "acorn-jsx": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz",
+      "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
+      "dev": true,
+      "dependencies": {
+        "acorn": {
+          "version": "3.3.0",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+          "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo=",
+          "dev": true
+        }
+      }
+    },
+    "ajv": {
+      "version": "4.11.8",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-4.11.8.tgz",
+      "integrity": "sha1-gv+wKynmYq5TvcIK8VlHcGc5xTY=",
+      "dev": true
+    },
+    "ajv-keywords": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-1.5.1.tgz",
+      "integrity": "sha1-MU3QpLM2j609/NxU7eYXG4htrzw=",
+      "dev": true
+    },
+    "ansi-escapes": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-1.4.0.tgz",
+      "integrity": "sha1-06ioOzGapneTZisT52HHkRQiMG4=",
+      "dev": true
+    },
+    "ansi-regex": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
+      "dev": true
+    },
+    "ansi-styles": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
+      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
+      "dev": true
+    },
+    "archy": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/archy/-/archy-1.0.0.tgz",
+      "integrity": "sha1-+cjBN1fMHde8N5rHeyxipcKGjEA=",
+      "dev": true
+    },
+    "argparse": {
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.9.tgz",
+      "integrity": "sha1-c9g7wmP4bpf4zE9rrhsOkKfSLIY=",
+      "dev": true
+    },
+    "arr-diff": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-2.0.0.tgz",
+      "integrity": "sha1-jzuCf5Vai9ZpaX5KQlasPOrjVs8=",
+      "dev": true
+    },
+    "arr-flatten": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/arr-flatten/-/arr-flatten-1.0.3.tgz",
+      "integrity": "sha1-onTthawIhJtr14R8RYB0XcUa37E=",
+      "dev": true
+    },
+    "array-differ": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/array-differ/-/array-differ-1.0.0.tgz",
+      "integrity": "sha1-7/UuN1gknTO+QCuLuOVkuytdQDE=",
+      "dev": true
+    },
+    "array-union": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/array-union/-/array-union-1.0.2.tgz",
+      "integrity": "sha1-mjRBDk9OPaI96jdb5b5w8kd47Dk=",
+      "dev": true
+    },
+    "array-uniq": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/array-uniq/-/array-uniq-1.0.3.tgz",
+      "integrity": "sha1-r2rId6Jcx/dOBYiUdThY39sk/bY=",
+      "dev": true
+    },
+    "array-unique": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.2.1.tgz",
+      "integrity": "sha1-odl8yvy8JiXMcPrc6zalDFiwGlM=",
+      "dev": true
+    },
+    "arrify": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/arrify/-/arrify-1.0.1.tgz",
+      "integrity": "sha1-iYUI2iIm84DfkEcoRWhJwVAaSw0=",
+      "dev": true
+    },
+    "async": {
+      "version": "0.2.10",
+      "resolved": "https://registry.npmjs.org/async/-/async-0.2.10.tgz",
+      "integrity": "sha1-trvgsGdLnXGXCMo43owjfLUmw9E=",
+      "dev": true
+    },
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+}
diff --git a/package.json b/package.json
index e7b6b150..2a4a4c03 100644
--- a/package.json
+++ b/package.json
@@ -7,13 +7,12 @@
     "test": "test"
   },
   "devDependencies": {
+    "gulp-eslint": "^3.0.1",
     "gulp": "^3.8.10",
     "gulp-jasmine": "^2.0.1",
     "gulp-jscs": "^1.4.0",
-    "gulp-jshint": "^1.9.0",
     "gulp-shell": "^0.2.11",
-    "jsdoc": "3.3.0-alpha13",
-    "jshint-stylish": "^1.0.0"
+    "jsdoc": "3.3.0-alpha13"
   },
   "scripts": {
     "test": "gulp test"
diff --git a/src/data-structures/avl-tree.js b/src/data-structures/avl-tree.js
index 8694246d..6e65f904 100644
--- a/src/data-structures/avl-tree.js
+++ b/src/data-structures/avl-tree.js
@@ -63,11 +63,11 @@
       var height = Math.max(node._left._height, node._right._height);
       height += 1;
       return height;
-    }else if (node._left !== null){
+    } else if (node._left !== null){
       return node._left._height + 1;
-    }else if (node._right !== null){
+    } else if (node._right !== null){
       return node._right._height + 1;
-    }else {
+    } else {
       return 1;
     }
   };
@@ -102,8 +102,7 @@
    * @param {Array} traveledNodes Array of previously traveled nodes
    * that are used to help determine the nodes to be restructured.
    */
-  exports.AVLTree.prototype._getNodesToRestructureRemove =
-    function (traveledNodes) {
+  exports.AVLTree.prototype._getNodesToRestructureRemove = function (traveledNodes) {
     // z is last traveled node - imbalance found at z
     var zIndex = traveledNodes.length;
     zIndex -= 1;
@@ -113,9 +112,9 @@
     var y;
     if (z._left !== null && z._right !== null){
       y = (z._left === y) ? z._right : z._left;
-    }else if (z._left !== null && z._right === null){
+    } else if (z._left !== null && z._right === null){
       y = z._left;
-    }else if (z._right !== null && z._left === null){
+    } else if (z._right !== null && z._left === null){
       y = z._right;
     }
     // x should be tallest child of y.
@@ -125,14 +124,14 @@
     if (y._left !== null && y._right !== null){
       if (y._left._height > y._right._height){
         x = y._left;
-      }else if (y._left._height < y._right._height){
+      } else if (y._left._height < y._right._height){
         x = y._right;
-      }else if (y._left._height === y._right._height){
+      } else if (y._left._height === y._right._height){
         x = (z._left === y) ? y._left : y._right;
       }
-    }else if (y._left !== null && y._right === null){
+    } else if (y._left !== null && y._right === null){
       x = y._left;
-    }else if (y._right !== null && y._left === null){
+    } else if (y._right !== null && y._left === null){
       x = y._right;
     }
     return [x, y, z];
@@ -147,8 +146,7 @@
    * @param {Array} traveledNodes Array of previously traveled nodes
    * that are used to help determine the nodes to be restructured.
    */
-  exports.AVLTree.prototype._getNodesToRestructureInsert =
-    function (traveledNodes) {
+  exports.AVLTree.prototype._getNodesToRestructureInsert = function (traveledNodes) {
     // z is last traveled node - imbalance found at z
     var zIndex = traveledNodes.length;
     zIndex -= 1;
@@ -166,16 +164,16 @@
     if (y._left !== null && y._right !== null){
       if (y._left._height > y._right._height){
         x = y._left;
-      }else if (y._left._height < y._right._height){
+      } else if (y._left._height < y._right._height){
         x = y._right;
-      }else if (y._left._height === y._right._height){
+      } else if (y._left._height === y._right._height){
         var xIndex = traveledNodes.length;
         xIndex -= 3;
         x = traveledNodes[xIndex];
       }
-    }else if (y._left !== null && y._right === null){
+    } else if (y._left !== null && y._right === null){
       x = y._left;
-    }else if (y._right !== null && y._left === null){
+    } else if (y._right !== null && y._left === null){
       x = y._right;
     }
     return [x, y, z];
@@ -192,8 +190,7 @@
    * @param {Node} node Started node.
    * @param {Boolean} isRemove Represents if method was called after remove.
    */
-  exports.AVLTree.prototype._maintainHeightBalanceProperty =
-    function (node, isRemove) {
+  exports.AVLTree.prototype._maintainHeightBalanceProperty = function (node, isRemove) {
     var current = node;
     var traveledNodes = [];
     while (current !== null){
@@ -225,11 +222,11 @@
     //Determine Rotation Pattern
     if (z._right === y && y._right === x){
       this._rightRight(x, y, z);
-    }else if (z._left === y && y._left === x){
+    } else if (z._left === y && y._left === x){
       this._leftLeft(x, y, z);
-    }else if (z._right === y && y._left === x){
+    } else if (z._right === y && y._left === x){
       this._rightLeft(x, y, z);
-    }else if (z._left === y && y._right === x){
+    } else if (z._left === y && y._right === x){
       this._leftRight(x, y, z);
     }
   };
@@ -255,7 +252,7 @@
       var orientation = (z._parent._left === z) ? '_left' : '_right';
       z._parent[orientation] = y;
       y._parent = z._parent;
-    }else {
+    } else {
       this._root = y;
       y._parent = null;
     }
@@ -294,7 +291,7 @@
       var orientation = (z._parent._left === z) ? '_left' : '_right';
       z._parent[orientation] = y;
       y._parent = z._parent;
-    }else {
+    } else {
       this._root = y;
       y._parent = null;
     }
@@ -332,7 +329,7 @@
       var orientation = (z._parent._left === z) ? '_left' : '_right';
       z._parent[orientation] = x;
       x._parent = z._parent;
-    }else {
+    } else {
       this._root = x;
       x._parent = null;
     }
@@ -377,7 +374,7 @@
       var orientation = (z._parent._left === z) ? '_left' : '_right';
       z._parent[orientation] = x;
       x._parent = z._parent;
-    }else {
+    } else {
       this._root = x;
       x._parent = null;
     }
@@ -568,8 +565,7 @@
    * @param {Node} oldChild Child to be replaced.
    * @param {Node} newChild Child replacement.
    */
-  exports.AVLTree.prototype._replaceChild =
-   function (parent, oldChild, newChild) {
+  exports.AVLTree.prototype._replaceChild = function (parent, oldChild, newChild) {
     if (parent === null) {
       this._root = newChild;
       if (this._root !== null){
@@ -744,13 +740,11 @@
    * @public
    * @returns {Node} The lowest common ancestor of the two nodes or null.
    */
-  exports.AVLTree.prototype.lowestCommonAncestor =
-    function (firstNode, secondNode) {
+  exports.AVLTree.prototype.lowestCommonAncestor = function (firstNode, secondNode) {
     return this._lowestCommonAncestor(firstNode, secondNode, this._root);
   };
 
-  exports.AVLTree.prototype._lowestCommonAncestor =
-    function (firstNode, secondNode, current) {
+  exports.AVLTree.prototype._lowestCommonAncestor = function (firstNode, secondNode, current) {
     var firstNodeInLeft = this._existsInSubtree(firstNode, current._left);
     var secondNodeInLeft = this._existsInSubtree(secondNode, current._left);
     var firstNodeInRight = this._existsInSubtree(firstNode, current._right);
diff --git a/src/data-structures/binary-search-tree.js b/src/data-structures/binary-search-tree.js
index b6605590..234cfd81 100644
--- a/src/data-structures/binary-search-tree.js
+++ b/src/data-structures/binary-search-tree.js
@@ -221,8 +221,7 @@
    * @param {Node} oldChild Child to be replaced.
    * @param {Node} newChild Child replacement.
    */
-  exports.BinaryTree.prototype._replaceChild =
-   function (parent, oldChild, newChild) {
+  exports.BinaryTree.prototype._replaceChild = function (parent, oldChild, newChild) {
     if (!parent) {
       this._root = newChild;
       if (this._root !== null){
@@ -411,8 +410,7 @@
    * for ancestor.
    * @returns {Node} The lowest common ancestor of the two nodes or null.
    */
-  exports.BinaryTree.prototype.lowestCommonAncestor =
-   function (firstNode, secondNode) {
+  exports.BinaryTree.prototype.lowestCommonAncestor = function (firstNode, secondNode) {
     return this._lowestCommonAncestor(firstNode, secondNode, this._root);
   };
 
@@ -427,8 +425,7 @@
    * @param {Node} current Current node.
    * @returns {Node} The lowest common ancestor of the two nodes or null.
    */
-  exports.BinaryTree.prototype._lowestCommonAncestor =
-   function (firstNode, secondNode, current) {
+  exports.BinaryTree.prototype._lowestCommonAncestor = function (firstNode, secondNode, current) {
     var firstNodeInLeft = this._existsInSubtree(firstNode, current._left);
     var secondNodeInLeft = this._existsInSubtree(secondNode, current._left);
     var firstNodeInRight = this._existsInSubtree(firstNode, current._right);
diff --git a/src/data-structures/interval-tree.js b/src/data-structures/interval-tree.js
index 6d3da17d..24663c98 100644
--- a/src/data-structures/interval-tree.js
+++ b/src/data-structures/interval-tree.js
@@ -237,8 +237,7 @@
   };
 
   // adjust the max value
-  exports.IntervalTree.prototype._removeHelper =
-   function (interval, node) {
+  exports.IntervalTree.prototype._removeHelper = function (interval, node) {
     if (!node) {
       return;
     }
diff --git a/src/data-structures/red-black-tree.js b/src/data-structures/red-black-tree.js
index 997dc8cd..970fe16d 100644
--- a/src/data-structures/red-black-tree.js
+++ b/src/data-structures/red-black-tree.js
@@ -280,7 +280,7 @@
     var levelOrderString = '';
     if (this._root){
       queue.push(this._root);
-    }else {
+    } else {
       levelOrderString = ' Tree is empty';
     }
     while (queue.length !== 0){
diff --git a/src/data-structures/size-balanced-tree.js b/src/data-structures/size-balanced-tree.js
index 2eb60c58..ed7e1943 100644
--- a/src/data-structures/size-balanced-tree.js
+++ b/src/data-structures/size-balanced-tree.js
@@ -1,5 +1,3 @@
-'use strict';
-
 /**
  * Size balanced tree is a data structure which is
  * a type of self-balancing binary search tree that use
@@ -33,6 +31,8 @@
  */
 
 function CreateSBTreeClass (Node, Nil, updateChild) {
+  'use strict';
+
   function LeftRotate(node, childNode) {
     /*
       Before rotate:
@@ -291,6 +291,7 @@ function CreateSBTreeClass (Node, Nil, updateChild) {
 }
 
 (function (exports) {
+  'use strict';
 
   /**
    * Node constructor of the Size-Balanced tree.
diff --git a/src/graphs/spanning-trees/prim.js b/src/graphs/spanning-trees/prim.js
index cd915d48..54239587 100644
--- a/src/graphs/spanning-trees/prim.js
+++ b/src/graphs/spanning-trees/prim.js
@@ -107,42 +107,43 @@
         node: startVertex,
         distance: 0
       });
-      for (var i = 0; i < this.nodesCount - 1; i += 1) {
-        current = queue.extract().node;
-        inTheTree[current] = true;
-        this.edges.forEach(function (e) {
-          if (inTheTree[e.v.id] && inTheTree[e.e.id]) {
-            return;
-          }
-          var collection = queue.getCollection();
-          var node;
-          if (e.e.id === current) {
-            node = e.v.id;
-          } else if (e.v.id === current) {
-            node = e.e.id;
-          } else {
-            return;
-          }
-          for (var i = 0; i < collection.length; i += 1) {
-            if (collection[i].node === node) {
-              if (collection[i].distance > e.distance) {
-                queue.changeKey(i, {
-                  node: node,
-                  distance: e.distance
-                });
-                parents[node] = current;
-                distances[node] = e.distance;
-              }
-              return;
+      const process = function (e) {
+        if (inTheTree[e.v.id] && inTheTree[e.e.id]) {
+          return;
+        }
+        var collection = queue.getCollection();
+        var node;
+        if (e.e.id === current) {
+          node = e.v.id;
+        } else if (e.v.id === current) {
+          node = e.e.id;
+        } else {
+          return;
+        }
+        for (var i = 0; i < collection.length; i += 1) {
+          if (collection[i].node === node) {
+            if (collection[i].distance > e.distance) {
+              queue.changeKey(i, {
+                node: node,
+                distance: e.distance
+              });
+              parents[node] = current;
+              distances[node] = e.distance;
             }
+            return;
           }
-          queue.add({
-            node: node,
-            distance: e.distance
-          });
-          parents[node] = current;
-          distances[node] = e.distance;
+        }
+        queue.add({
+          node: node,
+          distance: e.distance
         });
+        parents[node] = current;
+        distances[node] = e.distance;
+      };
+      for (var i = 0; i < this.nodesCount - 1; i += 1) {
+        current = queue.extract().node;
+        inTheTree[current] = true;
+        this.edges.forEach(process);
       }
       for (var node in parents) {
         spannigTree.push(
diff --git a/src/searching/longest-increasing-subsequence.js b/src/searching/longest-increasing-subsequence.js
index 81d969cf..6b4db8ea 100644
--- a/src/searching/longest-increasing-subsequence.js
+++ b/src/searching/longest-increasing-subsequence.js
@@ -72,7 +72,7 @@
       var neighbours = dag[node];
       var neighboursDistance = [];
       var maxDist;
-      var maxNode;
+      // var maxNode;
       var distance;
       var result;
 
@@ -85,7 +85,7 @@
       }
 
       maxDist = max(neighboursDistance);
-      maxNode = neighbours[maxDist];
+      // maxNode = neighbours[maxDist];
       distance = 1 + neighboursDistance[maxDist].distance;
       find.memo[node] = result = {
         distance: distance,
diff --git a/test/data-structures/avl-tree.spec.js b/test/data-structures/avl-tree.spec.js
index 19b8c9bb..dbe969be 100644
--- a/test/data-structures/avl-tree.spec.js
+++ b/test/data-structures/avl-tree.spec.js
@@ -1,16 +1,18 @@
-'use strict';
-
 var mod = require('../../src/data-structures/avl-tree.js');
 var Node = mod.Node;
 var AVLTree = mod.AVLTree;
 
 describe('Node', function () {
+  'use strict';
+
   it('should be a constructor function', function () {
     expect(typeof Node).toBe('function');
   });
 });
 
 describe('AVL Tree', function () {
+  'use strict';
+
   it('should be a constructor function', function () {
     expect(typeof AVLTree).toBe('function');
   });
diff --git a/test/data-structures/binary-search-tree.spec.js b/test/data-structures/binary-search-tree.spec.js
index fc90744b..fba5cb6f 100644
--- a/test/data-structures/binary-search-tree.spec.js
+++ b/test/data-structures/binary-search-tree.spec.js
@@ -1,16 +1,18 @@
-'use strict';
-
 var mod = require('../../src/data-structures/binary-search-tree.js');
 var Node = mod.Node;
 var BinaryTree = mod.BinaryTree;
 
 describe('Node', function () {
+  'use strict';
+
   it('should be a constructor function', function () {
     expect(typeof Node).toBe('function');
   });
 });
 
 describe('Binary Tree', function () {
+  'use strict';
+
   it('should be a constructor function', function () {
     expect(typeof BinaryTree).toBe('function');
   });
diff --git a/test/data-structures/hash-table.spec.js b/test/data-structures/hash-table.spec.js
index 8a598226..bf3f362c 100644
--- a/test/data-structures/hash-table.spec.js
+++ b/test/data-structures/hash-table.spec.js
@@ -1,16 +1,18 @@
-'use strict';
-
 var mod = require('../../src/data-structures/hash-table.js');
 var Node = mod.Node;
 var Hashtable = mod.Hashtable;
 
 describe('Node', function () {
+  'use strict';
+
   it('should be a constructor function', function () {
     expect(typeof Node).toBe('function');
   });
 });
 
 describe('Hash table', function () {
+  'use strict';
+
   it('should be a constructor function.', function () {
     expect(typeof Hashtable).toBe('function');
   });
diff --git a/test/data-structures/heap.spec.js b/test/data-structures/heap.spec.js
index 8de81f23..ee44de4a 100644
--- a/test/data-structures/heap.spec.js
+++ b/test/data-structures/heap.spec.js
@@ -1,9 +1,9 @@
-'use strict';
-
 var mod = require('../../src/data-structures/heap.js');
 var Heap = mod.Heap;
 
 describe('Heap', function () {
+  'use strict';
+
   it('should be a constructor function', function () {
     expect(typeof Heap).toBe('function');
   });
diff --git a/test/data-structures/interval-tree.spec.js b/test/data-structures/interval-tree.spec.js
index a6d79099..c5745834 100644
--- a/test/data-structures/interval-tree.spec.js
+++ b/test/data-structures/interval-tree.spec.js
@@ -1,9 +1,9 @@
-'use strict';
-
 var mod = require('../../src/data-structures/interval-tree.js');
 var IntervalTree = mod.IntervalTree;
 
 describe('IntervalTree', function () {
+  'use strict';
+
   it('should correctly detect intersections', function () {
     var it = new IntervalTree();
 
diff --git a/test/data-structures/linked-list.spec.js b/test/data-structures/linked-list.spec.js
index 67f1faea..37ee7084 100644
--- a/test/data-structures/linked-list.spec.js
+++ b/test/data-structures/linked-list.spec.js
@@ -1,22 +1,24 @@
-'use strict';
-
 var mod = require('../../src/data-structures/linked-list.js');
 var Node = mod.Node;
 var LinkedList = mod.LinkedList;
 
 describe('Node', function () {
+  'use strict';
+
   it('should be a constructor function', function () {
     expect(typeof Node).toBe('function');
   });
   it('should construct properly', function () {
-    var node = new Node("data");
-    expect(node.data).toBe("data");
+    var node = new Node('data');
+    expect(node.data).toBe('data');
     expect(node.next).toBe(null);
     expect(node.prev).toBe(null);
   });
 });
 
 describe('Linked List', function () {
+  'use strict';
+
   it('should be a constructor function', function () {
     expect(typeof LinkedList).toBe('function');
   });
@@ -133,7 +135,8 @@ describe('Linked List', function () {
     linkedList.push(5);
     var pushedValue = 1;
     function callback(node){
-      expect(node.data).toBe(pushedValue++);
+      expect(node.data).toBe(pushedValue);
+      pushedValue += 1;
     }
     linkedList.inorder(callback);
   });
diff --git a/test/data-structures/red-black-tree.spec.js b/test/data-structures/red-black-tree.spec.js
index 085de6a8..8cf1615a 100644
--- a/test/data-structures/red-black-tree.spec.js
+++ b/test/data-structures/red-black-tree.spec.js
@@ -1,11 +1,10 @@
-'use strict';
-
 var mod = require('../../src/data-structures/red-black-tree.js');
 var Vertex = mod.Node;
 var RBTree = mod.RBTree;
 var Colors = mod.Colors;
 
 describe('Node', function () {
+  'use strict';
 
   it('should be a constructor function', function () {
     expect(typeof Vertex).toBe('function');
@@ -37,6 +36,8 @@ describe('Node', function () {
 });
 
 describe('RBTree', function () {
+  'use strict';
+
   it('should be a constructor function', function () {
     expect(typeof RBTree).toBe('function');
   });
diff --git a/test/data-structures/segment-tree.spec.js b/test/data-structures/segment-tree.spec.js
index 4679d5cd..42bf127d 100644
--- a/test/data-structures/segment-tree.spec.js
+++ b/test/data-structures/segment-tree.spec.js
@@ -1,13 +1,13 @@
-'use strict';
-
 var SegmentTree = require('../../src/data-structures/segment-tree.js')
   .SegmentTree;
 
 var defaultAggregate = function (a, b) {
+  'use strict';
   return Math.min(a, b);
 };
 
 describe('Segment Tree', function () {
+  'use strict';
 
   describe('indexing', function () {
 
diff --git a/test/data-structures/size-balanced-tree.spec.js b/test/data-structures/size-balanced-tree.spec.js
index dff072e7..9051e3fc 100644
--- a/test/data-structures/size-balanced-tree.spec.js
+++ b/test/data-structures/size-balanced-tree.spec.js
@@ -1,5 +1,3 @@
-'use strict';
-
 var mod = require('../../src/data-structures/size-balanced-tree.js');
 var Node = mod.Node;
 var Nil = mod.Nil;
@@ -7,6 +5,8 @@ var SBTree = mod.SBTree;
 var updateChild = mod.updateChild;
 
 describe('Node', function () {
+  'use strict';
+
   it('should be a constructor function', function () {
     expect(typeof Node).toBe('function');
   });
@@ -39,6 +39,8 @@ describe('Node', function () {
 });
 
 describe('SBTree', function () {
+  'use strict';
+
   it('should be a constructor function', function () {
     expect(typeof SBTree).toBe('function');
   });
@@ -95,15 +97,15 @@ describe('SBTree', function () {
 
   it('push and get 100000 elements, remove the array by always remove the first/last element', function () {
     var sTree = new SBTree();
-    for (var i = 0; i < 200000; ++i) {
+    for (var i = 0; i < 200000; i += 1) {
       sTree.push(i);
     }
     checkNil();
-    for (var i = 0; i < 200000; ++i) {
+    for (var i = 0; i < 200000; i += 1) {
       var node = sTree.get(i);
       expect(node.value).toBe(i);
     }
-    for (var i = 0; i < 200000; ++i) {
+    for (var i = 0; i < 200000; i += 1) {
       expect(sTree.get(0).value).toBe(i);
       var node = sTree.remove(0); // Always remove the first element;
       expect(node.value).toBe(i);
@@ -111,32 +113,32 @@ describe('SBTree', function () {
     checkNil();
     expect(sTree._root).toBe(Nil);
     var count = 10000;
-    for (var i = 0; i < count; ++i) {
+    for (var i = 0; i < count; i += 1) {
       sTree.insert(0, i);
     }
-    for (var i = 0; i < count; ++i) {
+    for (var i = 0; i < count; i += 1) {
       var node = sTree.remove(count - i - 1); // Always remove the last element;
       expect(node.value).toBe(i);
       expect(sTree.size).toBe(count - i - 1);
     }
     checkNil();
     var expectedArray = [];
-    for (var i = 0; i < 100000; ++i) {
+    for (var i = 0; i < 100000; i += 1) {
       var newPos = getRandomIntInclusive(0, sTree.size);
       sTree.insert(newPos, i);
       expectedArray.splice(newPos, 0, i);
     }
     expect(sTree.size).toBe(expectedArray.length);
-    for (var i = 0; i < sTree.size; ++i) {
+    for (var i = 0; i < sTree.size; i += 1) {
       var node = sTree.get(i);
       expect(node.value).toBe(expectedArray[i]);
     }
-    for (var i = 0; i < 90000; ++i) {
+    for (var i = 0; i < 90000; i += 1) {
       var removedPos = getRandomInt(0, sTree.size);
       sTree.remove(removedPos);
       expectedArray.splice(removedPos, 1);
     }
-    for (var i = 0; i < sTree.size; ++i) {
+    for (var i = 0; i < sTree.size; i += 1) {
       var node = sTree.get(i);
       expect(node.value).toBe(expectedArray[i]);
     }
@@ -145,12 +147,12 @@ describe('SBTree', function () {
 
   it('test getIndex', function () {
     var sTree = new SBTree();
-    for (var i = 0; i < 10000; ++i) {
+    for (var i = 0; i < 10000; i += 1) {
       var key = i.toString();
       sTree.push(key);
     }
 
-    for (var i = 0; i < 100; ++i) {
+    for (var i = 0; i < 100; i += 1) {
       var item = sTree.get(i);
       expect(item.value).toBe(i.toString());
       expect(sTree.getIndex(item)).toBe(i);
@@ -159,7 +161,7 @@ describe('SBTree', function () {
 
   it('test binary search', function () {
     var sTree = new SBTree();
-    for (var i = 0; i < 10000; ++i) {
+    for (var i = 0; i < 10000; i += 1) {
       sTree.push(i);
     }
     var cmp = function (a, b) {
diff --git a/test/data-structures/splay-tree.spec.js b/test/data-structures/splay-tree.spec.js
index 05e13a0d..78e31ebc 100644
--- a/test/data-structures/splay-tree.spec.js
+++ b/test/data-structures/splay-tree.spec.js
@@ -1,10 +1,10 @@
-'use strict';
-
 var mod = require('../../src/data-structures/splay-tree.js');
 var Node = mod.Node;
 var SplayTree = mod.SplayTree;
 
 describe('Node', function () {
+  'use strict';
+
   it('should be a constructor function', function () {
     expect(typeof Node).toBe('function');
   });
@@ -29,6 +29,8 @@ describe('Node', function () {
 });
 
 describe('SplayTree', function () {
+  'use strict';
+
   it('should be a constructor function', function () {
     expect(typeof SplayTree).toBe('function');
   });
diff --git a/test/graphs/searching/bfs.spec.js b/test/graphs/searching/bfs.spec.js
index 9ade6961..c47c24d7 100644
--- a/test/graphs/searching/bfs.spec.js
+++ b/test/graphs/searching/bfs.spec.js
@@ -1,7 +1,5 @@
 /* jshint multistr: true */
 
-'use strict';
-
 var graph = [[0, 0, 0, 0, 1],
              [0, 0, 0, 1, 0],
              [0, 0, 0, 0, 0],
@@ -11,6 +9,7 @@ var graph = [[0, 0, 0, 0, 1],
 var bfs = require('../../../src/graphs/searching/bfs').bfs;
 
 describe('BFS', function () {
+  'use strict';
 
   it('should work with empty graph', function () {
     expect(bfs([], 0, 0)).toEqual([0]);
diff --git a/test/graphs/searching/dfs.spec.js b/test/graphs/searching/dfs.spec.js
index b5d983d8..34d59d62 100644
--- a/test/graphs/searching/dfs.spec.js
+++ b/test/graphs/searching/dfs.spec.js
@@ -1,8 +1,7 @@
-'use strict';
-
 var dfs = require('../../../src/graphs/searching/dfs').dfs;
 
 describe('dfs', function () {
+  'use strict';
 
   it('should work with empty graph', function () {
     expect(dfs([[]])).toBeTruthy();
@@ -12,25 +11,22 @@ describe('dfs', function () {
     expect(dfs([[0]]), 0, 0).toBeTruthy();
   });
 
-  it('should always find a path between two directly connected nodes',
-    function () {
-      expect(dfs([[0, 1], [1, 0]], 0, 1)).toBeTruthy();
-      expect(dfs([[0, 1], [1, 0]], 1, 0)).toBeTruthy();
-    });
+  it('should always find a path between two directly connected nodes', function () {
+    expect(dfs([[0, 1], [1, 0]], 0, 1)).toBeTruthy();
+    expect(dfs([[0, 1], [1, 0]], 1, 0)).toBeTruthy();
+  });
 
   it('should always find a path between two directly connected' +
     'connected nodes in a directed graph', function () {
     expect(dfs([[0, 0], [1, 0]], 1, 0)).toBeTruthy();
   });
 
-  it('should always find a path between two indirectly connected nodes',
-    function () {
-      expect(dfs([[0, 1, 0], [0, 0, 1], [0, 0, 0]], 0, 2)).toBeTruthy();
-    });
+  it('should always find a path between two indirectly connected nodes', function () {
+    expect(dfs([[0, 1, 0], [0, 0, 1], [0, 0, 0]], 0, 2)).toBeTruthy();
+  });
 
-  it('should not find a path between two nodes, which are not connected',
-      function () {
-      expect(dfs([[0, 0], [1, 0]], 0, 1)).toBeFalsy();
-      expect(dfs([[0, 0, 0], [0, 0, 1], [0, 0, 0]], 0, 2)).toBeFalsy();
-    });
+  it('should not find a path between two nodes, which are not connected', function () {
+    expect(dfs([[0, 0], [1, 0]], 0, 1)).toBeFalsy();
+    expect(dfs([[0, 0, 0], [0, 0, 1], [0, 0, 0]], 0, 2)).toBeFalsy();
+  });
 });
diff --git a/test/others/fibonacci.spec.js b/test/others/fibonacci.spec.js
index 02cbddd8..80adb5ac 100644
--- a/test/others/fibonacci.spec.js
+++ b/test/others/fibonacci.spec.js
@@ -1,9 +1,9 @@
-'use strict';
-
 var mod = require('../../src/others/fibonacci.js');
 var fibonacci = mod.fibonacci;
 
 describe('fibonacci algorithm', function () {
+  'use strict';
+
   it('should return value 1 with input 1.', function () {
     expect(fibonacci(1)).toBe(1);
   });
diff --git a/test/others/levenshtein-distance.spec.js b/test/others/levenshtein-distance.spec.js
index 705a3f90..8ff572bb 100644
--- a/test/others/levenshtein-distance.spec.js
+++ b/test/others/levenshtein-distance.spec.js
@@ -1,9 +1,9 @@
-'use strict';
-
 var mod = require('../../src/others/levenshtein-distance.js');
 var levenshteinDistance = mod.levenshteinDistance;
 
 describe('Levenstein\'s minimum edit distance algorithm', function () {
+  'use strict';
+
   it('should be defined', function () {
     expect(levenshteinDistance).toBeDefined();
   });
diff --git a/test/others/min-coins-sum.spec.js b/test/others/min-coins-sum.spec.js
index 7a5004d1..f0e46644 100644
--- a/test/others/min-coins-sum.spec.js
+++ b/test/others/min-coins-sum.spec.js
@@ -1,9 +1,9 @@
-'use strict';
-
 var minCoinsChange =
   require('../../src/others/min-coins-change.js').minCoinsChange;
 
 describe('Change making problem', function () {
+  'use strict';
+
   it('should be defined', function () {
     expect(minCoinsChange).toBeDefined();
   });
@@ -23,8 +23,7 @@ describe('Change making problem', function () {
     expect(minCoinsChange([1, 2, 3], 10).length).toEqual(4);
   });
 
-  it('should return undefined for combination, which is not possible',
-    function () {
-      expect(minCoinsChange([1, 2, 3], 0.5)).not.toBeDefined();
-    });
+  it('should return undefined for combination, which is not possible', function () {
+    expect(minCoinsChange([1, 2, 3], 0.5)).not.toBeDefined();
+  });
 });
diff --git a/test/others/minkowski-distance.spec.js b/test/others/minkowski-distance.spec.js
index fad96dff..1c1795cf 100644
--- a/test/others/minkowski-distance.spec.js
+++ b/test/others/minkowski-distance.spec.js
@@ -1,9 +1,9 @@
-'use strict';
-
 var mod = require('../../src/others/minkowski-distance.js');
 var minkowskiDistance = mod.minkowskiDistance;
 
 describe('Minkowski Distance', function () {
+  'use strict';
+
   it('should return 1 with points (0, 1), (1, 1) in order 1.', function () {
     expect(minkowskiDistance([0, 1], [1, 1], 1)).toBe(1);
   });
diff --git a/test/primes/is-prime.spec.js b/test/primes/is-prime.spec.js
index 02a78b2d..65bd4ace 100644
--- a/test/primes/is-prime.spec.js
+++ b/test/primes/is-prime.spec.js
@@ -1,9 +1,8 @@
-'use strict';
-
 var isPrime = require('../../src/primes/is-prime').isPrime;
 
-describe('Advanced (optimised) method that checks number on prime',
-  function () {
+describe('Advanced (optimised) method that checks number on prime', function () {
+  'use strict';
+
   it('should give true for number 104743', function () {
     expect(isPrime(104743)).toBe(true);
   });
diff --git a/test/primes/prime-factor-tree.spec.js b/test/primes/prime-factor-tree.spec.js
index 3daddef5..d8d8c5dd 100644
--- a/test/primes/prime-factor-tree.spec.js
+++ b/test/primes/prime-factor-tree.spec.js
@@ -1,8 +1,8 @@
-'use strict';
-
 var primeFactorTree = require('../../src/primes/prime-factor-tree').primeFactorTree;
 
 describe('Prime factor tree', function () {
+  'use strict';
+
   it('for number 104743 should return [104743]', function () {
     expect(primeFactorTree(104743).toString()).toEqual([104743].toString());
   });
@@ -20,8 +20,8 @@ describe('Prime factor tree', function () {
   it('sum of primes for given number 600851475143 should be 9238', function () {
     var primes = primeFactorTree(600851475143);
     var sumOfPrimes = primes.reduce(function (previousValue, currentValue) {
-        return previousValue + currentValue;
-      });
+      return previousValue + currentValue;
+    });
 
     expect(sumOfPrimes).toEqual(9238);
   });
diff --git a/test/primes/sieve-of-eratosthenes.spec.js b/test/primes/sieve-of-eratosthenes.spec.js
index 96792263..5d9e166c 100644
--- a/test/primes/sieve-of-eratosthenes.spec.js
+++ b/test/primes/sieve-of-eratosthenes.spec.js
@@ -1,9 +1,9 @@
-'use strict';
-
 var sieveOfEratosthenes =
   require('../../src/primes/sieve-of-eratosthenes').sieveOfEratosthenes;
 
 describe('Sieve Of Eratosthenes', function () {
+  'use strict';
+
   it('should give the right sequence of primes for limit 12', function () {
     expect(sieveOfEratosthenes(12).toString())
       .toEqual([2, 3, 5, 7, 11].toString());
@@ -15,12 +15,11 @@ describe('Sieve Of Eratosthenes', function () {
     expect(sieveOfEratosthenes(1).toString()).toEqual([].toString());
   });
 
-  it('sum of prime numbers up to 2000000 limit should be 142913828922',
-  function () {
+  it('sum of prime numbers up to 2000000 limit should be 142913828922', function () {
     var sieve = sieveOfEratosthenes(2000000);
     var sumOfPrimes = sieve.reduce(function (previousValue, currentValue) {
-        return previousValue + currentValue;
-      });
+      return previousValue + currentValue;
+    });
 
     expect(sumOfPrimes).toEqual(142913828922);
   });
diff --git a/test/searching/binarysearch.spec.js b/test/searching/binarysearch.spec.js
index 99eeb059..13dbbaca 100644
--- a/test/searching/binarysearch.spec.js
+++ b/test/searching/binarysearch.spec.js
@@ -1,9 +1,8 @@
-'use strict';
-
 var binarySearch =
   require('../../src/searching/binarysearch').binarySearch;
 
 describe('Binary search', function () {
+  'use strict';
 
   it('should find the element at position 0 ', function () {
     expect(binarySearch([1, 2, 3, 4, 6, 8], 1)).toBe(0);
diff --git a/test/searching/longest-common-subsequence.spec.js b/test/searching/longest-common-subsequence.spec.js
index 4adaa080..24fc47cd 100644
--- a/test/searching/longest-common-subsequence.spec.js
+++ b/test/searching/longest-common-subsequence.spec.js
@@ -1,11 +1,10 @@
-'use strict';
-
 var longestCommonSubsequence =
   require('../../src/searching/' +
     'longest-common-subsequence')
     .longestCommonSubsequence;
 
 describe('longest common subsequence', function () {
+  'use strict';
 
   it('should work with empty strings', function () {
     expect(longestCommonSubsequence('', '')).toBe('');
diff --git a/test/searching/longest-increasing-subsequence.spec.js b/test/searching/longest-increasing-subsequence.spec.js
index 8c764fa7..d6e214e7 100644
--- a/test/searching/longest-increasing-subsequence.spec.js
+++ b/test/searching/longest-increasing-subsequence.spec.js
@@ -1,11 +1,10 @@
-'use strict';
-
 var longestIncreasingSubsequence =
   require('../../src/searching/' +
     'longest-increasing-subsequence')
     .longestIncreasingSubsequence;
 
 describe('longest increasing subsequence', function () {
+  'use strict';
 
   var sequence;
   beforeEach(function () {
diff --git a/test/searching/maximum-subarray-divide-and-conquer.spec.js b/test/searching/maximum-subarray-divide-and-conquer.spec.js
index f84f60d2..cfd58cf3 100644
--- a/test/searching/maximum-subarray-divide-and-conquer.spec.js
+++ b/test/searching/maximum-subarray-divide-and-conquer.spec.js
@@ -1,10 +1,9 @@
-'use strict';
-
 var maxSubArray =
   require('../../src/searching/maximum-subarray-divide-and-conquer')
   .maxSubarray;
 
 describe('Maximum subarray implemented with divide and conquer', function () {
+  'use strict';
 
   it('should work with empty arrays', function () {
     expect(isNaN(maxSubArray([]))).toBeTruthy();
diff --git a/test/searching/recursive-binarysearch.spec.js b/test/searching/recursive-binarysearch.spec.js
index 3678ef10..4ab687b3 100644
--- a/test/searching/recursive-binarysearch.spec.js
+++ b/test/searching/recursive-binarysearch.spec.js
@@ -1,9 +1,8 @@
-'use strict';
-
 var binarySearch =
   require('../../src/searching/recursive-binarysearch').binarySearch;
 
 describe('Binary search', function () {
+  'use strict';
 
   it('should find the element at position 0 ', function () {
     expect(binarySearch([1, 2, 3, 4, 6, 8], 1)).toBe(0);

From 468db5e7eee6bdee0f46174137b9d3967da98314 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Tue, 6 Jun 2017 23:34:03 -0400
Subject: [PATCH 257/337] build(lint): remove old config

---
 .jscsrc   | 28 ----------------------------
 .jshintrc | 38 --------------------------------------
 2 files changed, 66 deletions(-)
 delete mode 100644 .jscsrc
 delete mode 100644 .jshintrc

diff --git a/.jscsrc b/.jscsrc
deleted file mode 100644
index c45cd225..00000000
--- a/.jscsrc
+++ /dev/null
@@ -1,28 +0,0 @@
-{
-  "requireCurlyBraces": ["else", "for", "while", "do", "try", "catch"],
-  "requireSpaceAfterKeywords": ["if", "else", "for", "while", "do", "switch", "return", "try", "catch", "function"],
-  "requireSpacesInFunctionExpression": {
-    "beforeOpeningCurlyBrace": true
-  },
-  "disallowMultipleVarDecl": true,
-  "disallowSpacesInsideArrayBrackets": true,
-  "disallowSpacesInsideParentheses": true,
-  "disallowSpaceAfterObjectKeys": true,
-  "disallowQuotedKeysInObjects": true,
-  "requireSpaceBeforeBinaryOperators": ["?", "+", "/", "*", "=", "==", "===", "!=", "!==", ">", ">=", "<", "<="],
-  "disallowSpaceAfterBinaryOperators": ["!"],
-  "requireSpaceAfterBinaryOperators": ["?", ",", "+", "/", "*", ":", "=", "==", "===", "!=", "!==", ">", ">=", "<", "<="],
-  "disallowSpaceBeforeBinaryOperators": [","],
-  "disallowSpaceAfterPrefixUnaryOperators": ["++", "--", "+", "-", "~", "!"],
-  "disallowSpaceBeforePostfixUnaryOperators": ["++", "--"],
-  "requireSpaceBeforeBinaryOperators": ["+", "-", "/", "*", "=", "==", "===", "!=", "!=="],
-  "requireSpaceAfterBinaryOperators": ["+", "-", "/", "*", "=", "==", "===", "!=", "!=="],
-  "disallowImplicitTypeConversion": ["numeric", "binary", "string"],
-  "disallowKeywords": ["with", "eval"],
-  "disallowMultipleLineBreaks": true,
-  "disallowKeywordsOnNewLine": ["else"],
-  "requireLineFeedAtFileEnd": true,
-  "disallowTrailingWhitespace": true,
-  "excludeFiles": ["node_modules/**", "bower_components/**"],
-  "validateIndentation": 2
-}
diff --git a/.jshintrc b/.jshintrc
deleted file mode 100644
index 4cabd67d..00000000
--- a/.jshintrc
+++ /dev/null
@@ -1,38 +0,0 @@
-{
-  "browser": true,
-  "jquery": true,
-  "node": true,
-  "esnext": true,
-  "bitwise": true,
-  "camelcase": true,
-  "curly": true,
-  "eqeqeq": true,
-  "indent": 2,
-  "latedef": true,
-  "noarg": true,
-  "newcap": false,
-  "quotmark": "single",
-  "unused": true,
-  "strict": true,
-  "trailing": true,
-  "smarttabs": true,
-  "white": true,
-  "freeze": true,
-  "immed": true,
-  "noempty": true,
-  "plusplus": true,
-  "undef": true,
-  "laxbreak": true,
-  "maxdepth": 4,
-  "loopfunc": true,
-  "maxcomplexity": 13,
-  "maxlen": 80,
-  "maxparams": 5,
-  "globals": {
-    "expect": true,
-    "it": true,
-    "describe": true,
-    "beforeEach": true,
-    "afterEach": true
-  }
-}

From c5b7a31b176c8e0e20d2786ceb079a692c4505ba Mon Sep 17 00:00:00 2001
From: mik-laj <kamil.bregula@siecobywatelska.pl>
Date: Tue, 6 Jun 2017 09:25:49 +0200
Subject: [PATCH 258/337] Add quick sort (functional variant)

---
 src/sorting/quicksort-functional.js       | 38 +++++++++++++++++++++++
 test/sorting/quicksort-functional.spec.js |  5 +++
 2 files changed, 43 insertions(+)
 create mode 100644 src/sorting/quicksort-functional.js
 create mode 100644 test/sorting/quicksort-functional.spec.js

diff --git a/src/sorting/quicksort-functional.js b/src/sorting/quicksort-functional.js
new file mode 100644
index 00000000..10e2787f
--- /dev/null
+++ b/src/sorting/quicksort-functional.js
@@ -0,0 +1,38 @@
+(function (exports) {
+
+  'use strict';
+
+  /**
+   * The quicksort algorithm (functional variant). It's complexity is O(nlog n).
+   *
+   * @public
+   */
+  var quickSort = (function () {
+
+    /**
+     * Sorts given array.
+     *
+     * @private
+     * @param {array} array Array which should be sorted
+     * @returns {array} array Sorted array
+     */
+    return function quickSort(array, left, right, cmp) {
+      if ( arr.length < 1) {
+        return arr;
+      }
+
+      var [x, ...rest] = arr;
+
+      return [
+          ...quickSort(rest.filter(v => v <= x)),
+          x,
+          ...quickSort(rest.filter(v => v  > x))
+      ]
+      return array;
+    }
+
+  }());
+
+  exports.quickSort = quickSort;
+
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/test/sorting/quicksort-functional.spec.js b/test/sorting/quicksort-functional.spec.js
new file mode 100644
index 00000000..a31aafb9
--- /dev/null
+++ b/test/sorting/quicksort-functional.spec.js
@@ -0,0 +1,5 @@
+var sortTestCase = require('./sort.testcase.js');
+var quickSort =
+      require('../../src/sorting/quicksort-functional.js').quickSort;
+
+sortTestCase(quickSort, 'Quick sort', { reverse: false });

From 704669a2ae0db5d090416a2ce8d8513b29e424eb Mon Sep 17 00:00:00 2001
From: mik-laj <kamil.bregula@siecobywatelska.pl>
Date: Wed, 7 Jun 2017 18:13:19 +0200
Subject: [PATCH 259/337] Add a comparator and improve code style

---
 src/sorting/quicksort-functional.js       | 49 ++++++++++++++++++-----
 test/sorting/quicksort-functional.spec.js |  2 +-
 2 files changed, 41 insertions(+), 10 deletions(-)

diff --git a/src/sorting/quicksort-functional.js b/src/sorting/quicksort-functional.js
index 10e2787f..0f1f9e8d 100644
--- a/src/sorting/quicksort-functional.js
+++ b/src/sorting/quicksort-functional.js
@@ -2,35 +2,66 @@
 
   'use strict';
 
+  function compare(a, b) {
+    return a - b;
+  }
+
   /**
-   * The quicksort algorithm (functional variant). It's complexity is O(nlog n).
+   * Quicksort algorithm (functional variant)
    *
    * @public
+   * @param {array} array Array which should be sorted.
+   * @return {array} Sorted array.
    */
   var quickSort = (function () {
 
     /**
-     * Sorts given array.
+     * Recursively calls itself.
      *
      * @private
-     * @param {array} array Array which should be sorted
-     * @returns {array} array Sorted array
+     * @param {array} array Array which should be processed
      */
-    return function quickSort(array, left, right, cmp) {
-      if ( arr.length < 1) {
+    return function quickSort(array, cmp) {
+      if (arr.length < 1) {
         return arr;
       }
 
-      var [x, ...rest] = arr;
+      const [x, ...rest] = arr;
 
       return [
-          ...quickSort(rest.filter(v => v <= x)),
+          ...quickSort(rest.filter(v => cmp(v, x) < 0),
           x,
-          ...quickSort(rest.filter(v => v  > x))
+          ...quickSort(rest.filter(v => cmp(v, x) >= 0))
       ]
       return array;
     }
 
+
+    /**
+     * Quicksort algorithm. In this version of quicksort used
+     * functional programming mechanisms.<br><br>
+     * Time complexity: O(N log(N)).
+     *
+     * @example
+     *
+     * var sort = require('path-to-algorithms/src' +
+     * '/sorting/quicksort-functional').quickSort;
+     * console.log(sort([2, 5, 1, 0, 4])); // [ 0, 1, 2, 4, 5 ]
+     *
+     * @public
+     * @module sorting/quicksort-functional
+     * @param {Array} array Input array.
+     * @param {Function} cmp Optional. A function that defines an
+     * alternative sort order. The function should return a negative,
+     * zero, or positive value, depending on the arguments.
+     * @return {Array} Sorted array.
+     */
+    return function (array, cmp) {
+      cmp = cmp || compare;
+      quicksort(array, 0, array.length - 1, cmp);
+      return array;
+    };
+
   }());
 
   exports.quickSort = quickSort;
diff --git a/test/sorting/quicksort-functional.spec.js b/test/sorting/quicksort-functional.spec.js
index a31aafb9..a71e6fc0 100644
--- a/test/sorting/quicksort-functional.spec.js
+++ b/test/sorting/quicksort-functional.spec.js
@@ -2,4 +2,4 @@ var sortTestCase = require('./sort.testcase.js');
 var quickSort =
       require('../../src/sorting/quicksort-functional.js').quickSort;
 
-sortTestCase(quickSort, 'Quick sort', { reverse: false });
+sortTestCase(quickSort, 'Quick sort');

From 59428462a117b09b30c82970225a1ea1759140e2 Mon Sep 17 00:00:00 2001
From: mik-laj <kamil.bregula@siecobywatelska.pl>
Date: Wed, 7 Jun 2017 18:22:15 +0200
Subject: [PATCH 260/337] Fix small typo

---
 src/sorting/quicksort-functional.js | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/sorting/quicksort-functional.js b/src/sorting/quicksort-functional.js
index 0f1f9e8d..01d165a3 100644
--- a/src/sorting/quicksort-functional.js
+++ b/src/sorting/quicksort-functional.js
@@ -22,7 +22,7 @@
      * @param {array} array Array which should be processed
      */
     return function quickSort(array, cmp) {
-      if (arr.length < 1) {
+      if (array.length < 1) {
         return arr;
       }
 
@@ -33,7 +33,6 @@
           x,
           ...quickSort(rest.filter(v => cmp(v, x) >= 0))
       ]
-      return array;
     }
 
 
@@ -58,7 +57,7 @@
      */
     return function (array, cmp) {
       cmp = cmp || compare;
-      quicksort(array, 0, array.length - 1, cmp);
+      quickSort(array, 0, array.length - 1, cmp);
       return array;
     };
 

From 07903651a9ee46722c764e8abd472fdcd57e5816 Mon Sep 17 00:00:00 2001
From: mik-laj <kamil.bregula@siecobywatelska.pl>
Date: Wed, 7 Jun 2017 18:56:11 +0200
Subject: [PATCH 261/337] Remove return; change functional to declarative

---
 ...uicksort-functional.js => quicksort-declarative.js} | 10 +++++-----
 ...unctional.spec.js => quicksort-declarative.spec.js} |  2 +-
 2 files changed, 6 insertions(+), 6 deletions(-)
 rename src/sorting/{quicksort-functional.js => quicksort-declarative.js} (85%)
 rename test/sorting/{quicksort-functional.spec.js => quicksort-declarative.spec.js} (59%)

diff --git a/src/sorting/quicksort-functional.js b/src/sorting/quicksort-declarative.js
similarity index 85%
rename from src/sorting/quicksort-functional.js
rename to src/sorting/quicksort-declarative.js
index 01d165a3..f266e16f 100644
--- a/src/sorting/quicksort-functional.js
+++ b/src/sorting/quicksort-declarative.js
@@ -7,7 +7,7 @@
   }
 
   /**
-   * Quicksort algorithm (functional variant)
+   * Quicksort algorithm (declarative variant)
    *
    * @public
    * @param {array} array Array which should be sorted.
@@ -21,7 +21,7 @@
      * @private
      * @param {array} array Array which should be processed
      */
-    return function quickSort(array, cmp) {
+    function quickSort(array, cmp) {
       if (array.length < 1) {
         return arr;
       }
@@ -38,17 +38,17 @@
 
     /**
      * Quicksort algorithm. In this version of quicksort used
-     * functional programming mechanisms.<br><br>
+     * declarative programming mechanisms.<br><br>
      * Time complexity: O(N log(N)).
      *
      * @example
      *
      * var sort = require('path-to-algorithms/src' +
-     * '/sorting/quicksort-functional').quickSort;
+     * '/sorting/quicksort-declarative').quickSort;
      * console.log(sort([2, 5, 1, 0, 4])); // [ 0, 1, 2, 4, 5 ]
      *
      * @public
-     * @module sorting/quicksort-functional
+     * @module sorting/quicksort-declarative
      * @param {Array} array Input array.
      * @param {Function} cmp Optional. A function that defines an
      * alternative sort order. The function should return a negative,
diff --git a/test/sorting/quicksort-functional.spec.js b/test/sorting/quicksort-declarative.spec.js
similarity index 59%
rename from test/sorting/quicksort-functional.spec.js
rename to test/sorting/quicksort-declarative.spec.js
index a71e6fc0..dfe4f06d 100644
--- a/test/sorting/quicksort-functional.spec.js
+++ b/test/sorting/quicksort-declarative.spec.js
@@ -1,5 +1,5 @@
 var sortTestCase = require('./sort.testcase.js');
 var quickSort =
-      require('../../src/sorting/quicksort-functional.js').quickSort;
+      require('../../src/sorting/quicksort-declarative.js').quickSort;
 
 sortTestCase(quickSort, 'Quick sort');

From 6ee5bca51247fcc8a385ced815eac242d9ac85d3 Mon Sep 17 00:00:00 2001
From: mik-laj <kamil.bregula@siecobywatelska.pl>
Date: Wed, 7 Jun 2017 19:05:48 +0200
Subject: [PATCH 262/337] Add missing bracket

---
 src/sorting/quicksort-declarative.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sorting/quicksort-declarative.js b/src/sorting/quicksort-declarative.js
index f266e16f..12b35b0b 100644
--- a/src/sorting/quicksort-declarative.js
+++ b/src/sorting/quicksort-declarative.js
@@ -29,7 +29,7 @@
       const [x, ...rest] = arr;
 
       return [
-          ...quickSort(rest.filter(v => cmp(v, x) < 0),
+          ...quickSort(rest.filter(v => cmp(v, x) < 0)),
           x,
           ...quickSort(rest.filter(v => cmp(v, x) >= 0))
       ]

From c9f659f9361d7a6b14acdf413c92e981045edef3 Mon Sep 17 00:00:00 2001
From: mik-laj <kamil.bregula@siecobywatelska.pl>
Date: Wed, 7 Jun 2017 19:42:39 +0200
Subject: [PATCH 263/337] Fix a qucik sort - declarative

---
 src/sorting/quicksort-declarative.js | 16 ++++++++--------
 test/sorting/sort.testcase.js        |  4 ++--
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/src/sorting/quicksort-declarative.js b/src/sorting/quicksort-declarative.js
index 12b35b0b..062ef790 100644
--- a/src/sorting/quicksort-declarative.js
+++ b/src/sorting/quicksort-declarative.js
@@ -21,18 +21,18 @@
      * @private
      * @param {array} array Array which should be processed
      */
-    function quickSort(array, cmp) {
+    function quicksort(array, cmp) {
       if (array.length < 1) {
-        return arr;
+        return array;
       }
 
-      const [x, ...rest] = arr;
+      const [x, ...rest] = array;
 
       return [
-          ...quickSort(rest.filter(v => cmp(v, x) < 0)),
-          x,
-          ...quickSort(rest.filter(v => cmp(v, x) >= 0))
-      ]
+        ...quicksort(rest.filter(v => cmp(v, x) < 0), cmp),
+        x,
+        ...quicksort(rest.filter(v => cmp(v, x) >= 0), cmp)
+      ];
     }
 
 
@@ -57,7 +57,7 @@
      */
     return function (array, cmp) {
       cmp = cmp || compare;
-      quickSort(array, 0, array.length - 1, cmp);
+      array = quicksort(array, cmp);
       return array;
     };
 
diff --git a/test/sorting/sort.testcase.js b/test/sorting/sort.testcase.js
index 65390edb..d12c1a9f 100644
--- a/test/sorting/sort.testcase.js
+++ b/test/sorting/sort.testcase.js
@@ -39,7 +39,7 @@ module.exports = function (sort, algorithmName, options) {
           precision: 0
         });
       }
-      sort(array);
+      array = sort(array);
       for (var i = 0; i < array.length - 1; i += 1) {
         expect(array[i] <= array[i + 1]).toBeTruthy();
       }
@@ -53,7 +53,7 @@ module.exports = function (sort, algorithmName, options) {
         }
 
         var array = createRandomArray();
-        sort(array, comparator);
+        array = sort(array, comparator);
 
         for (var i = 0; i < array.length - 1; i += 1) {
           expect(array[i] >= array[i + 1]).toBeTruthy();

From ac2d2619553774b38dab8a15139c42e7c935727c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kamil=20Bregu=C5=82a?= <mik-laj@users.noreply.github.com>
Date: Wed, 7 Jun 2017 19:46:10 +0200
Subject: [PATCH 264/337] Add a graphics algorithms to docs

---
 doc-config.json | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/doc-config.json b/doc-config.json
index bddd99b3..90b5cbb4 100644
--- a/doc-config.json
+++ b/doc-config.json
@@ -4,14 +4,15 @@
     },
     "source": {
         "include": [
-            "./src/graphs/searching/",
+            "./src/combinatorics/",
+            "./src/data-structures/",
+            "./src/graphics/",
             "./src/graphs/others/",
+            "./src/graphs/searching/",
             "./src/graphs/shortest-path/",
             "./src/graphs/spanning-trees/",
-            "./src/data-structures/",
-            "./src/combinatorics/",
-            "./src/primes/",
             "./src/others/",
+            "./src/primes/",
             "./src/searching/",
             "./src/sets/",
             "./src/shuffle/",
@@ -29,4 +30,4 @@
         "private": false,
         "readme": "./readme.md"
     }
-}
\ No newline at end of file
+}

From 0715aea694814da2741698884e55b7aa06d37463 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Wed, 7 Jun 2017 13:55:30 -0400
Subject: [PATCH 265/337] build: remove gulp-jscs

---
 package.json | 1 -
 1 file changed, 1 deletion(-)

diff --git a/package.json b/package.json
index 2a4a4c03..9d97aa97 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,6 @@
     "gulp-eslint": "^3.0.1",
     "gulp": "^3.8.10",
     "gulp-jasmine": "^2.0.1",
-    "gulp-jscs": "^1.4.0",
     "gulp-shell": "^0.2.11",
     "jsdoc": "3.3.0-alpha13"
   },

From f571b1a5d3b8d351d48809e02b2b7a126fe6b1b6 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Wed, 7 Jun 2017 14:18:33 -0400
Subject: [PATCH 266/337] ci: use newer node

---
 .travis.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index bce32da8..e030331b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-  - "4"
+  - "8"
 before_script:
   - npm install -g gulp
 script: gulp build

From 03eeabd9a3abf90d61951366e872a250bbd8ec5c Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Thu, 8 Jun 2017 13:43:29 -0700
Subject: [PATCH 267/337] docs: update the list of contributors

---
 readme.md | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/readme.md b/readme.md
index bfa865b3..85781271 100644
--- a/readme.md
+++ b/readme.md
@@ -71,23 +71,22 @@ If the build is not successful fix your code in order the tests and jshint valid
 
 ## Contributors
 
-[<img alt="mgechev" src="https://avatars2.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars2.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars2.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="lygstate" src="https://avatars0.githubusercontent.com/u/121040?v=3&s=117" width="117">](https://github.com/lygstate) |[<img alt="krzysztof-grzybek" src="https://avatars3.githubusercontent.com/u/6236664?v=3&s=117" width="117">](https://github.com/krzysztof-grzybek) |[<img alt="pvoznenko" src="https://avatars0.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |
+[<img alt="mgechev" src="https://avatars2.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars2.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars2.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="lygstate" src="https://avatars0.githubusercontent.com/u/121040?v=3&s=117" width="117">](https://github.com/lygstate) |[<img alt="mik-laj" src="https://avatars2.githubusercontent.com/u/12058428?v=3&s=117" width="117">](https://github.com/mik-laj) |[<img alt="krzysztof-grzybek" src="https://avatars3.githubusercontent.com/u/6236664?v=3&s=117" width="117">](https://github.com/krzysztof-grzybek) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[lygstate](https://github.com/lygstate) |[krzysztof-grzybek](https://github.com/krzysztof-grzybek) |[pvoznenko](https://github.com/pvoznenko) |
+[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[lygstate](https://github.com/lygstate) |[mik-laj](https://github.com/mik-laj) |[krzysztof-grzybek](https://github.com/krzysztof-grzybek) |
 
-[<img alt="jettcalleja" src="https://avatars3.githubusercontent.com/u/6356258?v=3&s=117" width="117">](https://github.com/jettcalleja) |[<img alt="kdamball" src="https://avatars0.githubusercontent.com/u/3318312?v=3&s=117" width="117">](https://github.com/kdamball) |[<img alt="lekkas" src="https://avatars0.githubusercontent.com/u/5211478?v=3&s=117" width="117">](https://github.com/lekkas) |[<img alt="infusion" src="https://avatars0.githubusercontent.com/u/197742?v=3&s=117" width="117">](https://github.com/infusion) |[<img alt="deniskyashif" src="https://avatars1.githubusercontent.com/u/5999271?v=3&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="filipefalcaos" src="https://avatars1.githubusercontent.com/u/9125631?v=3&s=117" width="117">](https://github.com/filipefalcaos) |
+[<img alt="pvoznenko" src="https://avatars0.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="jettcalleja" src="https://avatars3.githubusercontent.com/u/6356258?v=3&s=117" width="117">](https://github.com/jettcalleja) |[<img alt="filipefalcaos" src="https://avatars1.githubusercontent.com/u/9125631?v=3&s=117" width="117">](https://github.com/filipefalcaos) |[<img alt="kdamball" src="https://avatars0.githubusercontent.com/u/3318312?v=3&s=117" width="117">](https://github.com/kdamball) |[<img alt="lekkas" src="https://avatars0.githubusercontent.com/u/5211478?v=3&s=117" width="117">](https://github.com/lekkas) |[<img alt="infusion" src="https://avatars0.githubusercontent.com/u/197742?v=3&s=117" width="117">](https://github.com/infusion) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[jettcalleja](https://github.com/jettcalleja) |[kdamball](https://github.com/kdamball) |[lekkas](https://github.com/lekkas) |[infusion](https://github.com/infusion) |[deniskyashif](https://github.com/deniskyashif) |[filipefalcaos](https://github.com/filipefalcaos) |
+[pvoznenko](https://github.com/pvoznenko) |[jettcalleja](https://github.com/jettcalleja) |[filipefalcaos](https://github.com/filipefalcaos) |[kdamball](https://github.com/kdamball) |[lekkas](https://github.com/lekkas) |[infusion](https://github.com/infusion) |
 
-[<img alt="designeng" src="https://avatars3.githubusercontent.com/u/2807469?v=3&s=117" width="117">](https://github.com/designeng) |[<img alt="Microfed" src="https://avatars2.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="pkerpedjiev" src="https://avatars0.githubusercontent.com/u/2143629?v=3&s=117" width="117">](https://github.com/pkerpedjiev) |[<img alt="Xuefeng-Zhu" src="https://avatars3.githubusercontent.com/u/5875315?v=3&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="mik-laj" src="https://avatars2.githubusercontent.com/u/12058428?v=3&s=117" width="117">](https://github.com/mik-laj) |[<img alt="amilajack" src="https://avatars2.githubusercontent.com/u/6374832?v=3&s=117" width="117">](https://github.com/amilajack) |
+[<img alt="deniskyashif" src="https://avatars1.githubusercontent.com/u/5999271?v=3&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="designeng" src="https://avatars3.githubusercontent.com/u/2807469?v=3&s=117" width="117">](https://github.com/designeng) |[<img alt="pkerpedjiev" src="https://avatars0.githubusercontent.com/u/2143629?v=3&s=117" width="117">](https://github.com/pkerpedjiev) |[<img alt="Xuefeng-Zhu" src="https://avatars3.githubusercontent.com/u/5875315?v=3&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="Microfed" src="https://avatars2.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="amilajack" src="https://avatars2.githubusercontent.com/u/6374832?v=3&s=117" width="117">](https://github.com/amilajack) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[designeng](https://github.com/designeng) |[Microfed](https://github.com/Microfed) |[pkerpedjiev](https://github.com/pkerpedjiev) |[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[mik-laj](https://github.com/mik-laj) |[amilajack](https://github.com/amilajack) |
+[deniskyashif](https://github.com/deniskyashif) |[designeng](https://github.com/designeng) |[pkerpedjiev](https://github.com/pkerpedjiev) |[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[Microfed](https://github.com/Microfed) |[amilajack](https://github.com/amilajack) |
 
-[<img alt="ysharplanguage" src="https://avatars3.githubusercontent.com/u/1055314?v=3&s=117" width="117">](https://github.com/ysharplanguage) |[<img alt="contra" src="https://avatars3.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="liesislukas" src="https://avatars0.githubusercontent.com/u/2733862?v=3&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars1.githubusercontent.com/u/12432794?v=3&s=117" width="117">](https://github.com/millerrach) |[<img alt="fanixk" src="https://avatars1.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |[<img alt="shaunak1111" src="https://avatars0.githubusercontent.com/u/1323960?v=3&s=117" width="117">](https://github.com/shaunak1111) |
+[<img alt="shaunak1111" src="https://avatars0.githubusercontent.com/u/1323960?v=3&s=117" width="117">](https://github.com/shaunak1111) |[<img alt="contra" src="https://avatars3.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="liesislukas" src="https://avatars0.githubusercontent.com/u/2733862?v=3&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars1.githubusercontent.com/u/12432794?v=3&s=117" width="117">](https://github.com/millerrach) |[<img alt="fanixk" src="https://avatars1.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |[<img alt="ysharplanguage" src="https://avatars3.githubusercontent.com/u/1055314?v=3&s=117" width="117">](https://github.com/ysharplanguage) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[ysharplanguage](https://github.com/ysharplanguage) |[contra](https://github.com/contra) |[liesislukas](https://github.com/liesislukas) |[millerrach](https://github.com/millerrach) |[fanixk](https://github.com/fanixk) |[shaunak1111](https://github.com/shaunak1111) |
+[shaunak1111](https://github.com/shaunak1111) |[contra](https://github.com/contra) |[liesislukas](https://github.com/liesislukas) |[millerrach](https://github.com/millerrach) |[fanixk](https://github.com/fanixk) |[ysharplanguage](https://github.com/ysharplanguage) |
 
 ## License
 
 The code in this repository is distributed under the terms of the MIT license.
-

From 0429ba1250b7c7ded1390120278a830f8243cdf4 Mon Sep 17 00:00:00 2001
From: Minko Gechev <mgechev@gmail.com>
Date: Sat, 22 Jul 2017 20:25:58 +0300
Subject: [PATCH 268/337] Update readme.md

---
 readme.md | 2 --
 1 file changed, 2 deletions(-)

diff --git a/readme.md b/readme.md
index 85781271..0b5ef75e 100644
--- a/readme.md
+++ b/readme.md
@@ -6,8 +6,6 @@ This repository contains JavaScript implementations of different famous Computer
 
 API reference with usage examples available <a href="https://mgechev.github.io/javascript-algorithms/" target="_blank">here</a>.
 
-*Note: not all algorithms are well tested so bugs are quite possible.*
-
 ## Development
 
 **To install all dev dependencies**

From 4229d0fee53d69f5b2bc140125e4bf138f19a86e Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sun, 30 Jul 2017 23:42:45 +0300
Subject: [PATCH 269/337] docs: update the list of contributors

---
 readme.md | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/readme.md b/readme.md
index 85781271..ca83947e 100644
--- a/readme.md
+++ b/readme.md
@@ -71,19 +71,19 @@ If the build is not successful fix your code in order the tests and jshint valid
 
 ## Contributors
 
-[<img alt="mgechev" src="https://avatars2.githubusercontent.com/u/455023?v=3&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars2.githubusercontent.com/u/773648?v=3&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars2.githubusercontent.com/u/1854569?v=3&s=117" width="117">](https://github.com/Jakehp) |[<img alt="lygstate" src="https://avatars0.githubusercontent.com/u/121040?v=3&s=117" width="117">](https://github.com/lygstate) |[<img alt="mik-laj" src="https://avatars2.githubusercontent.com/u/12058428?v=3&s=117" width="117">](https://github.com/mik-laj) |[<img alt="krzysztof-grzybek" src="https://avatars3.githubusercontent.com/u/6236664?v=3&s=117" width="117">](https://github.com/krzysztof-grzybek) |
+[<img alt="mgechev" src="https://avatars1.githubusercontent.com/u/455023?v=4&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars1.githubusercontent.com/u/773648?v=4&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars1.githubusercontent.com/u/1854569?v=4&s=117" width="117">](https://github.com/Jakehp) |[<img alt="lygstate" src="https://avatars3.githubusercontent.com/u/121040?v=4&s=117" width="117">](https://github.com/lygstate) |[<img alt="mik-laj" src="https://avatars1.githubusercontent.com/u/12058428?v=4&s=117" width="117">](https://github.com/mik-laj) |[<img alt="krzysztof-grzybek" src="https://avatars0.githubusercontent.com/u/6236664?v=4&s=117" width="117">](https://github.com/krzysztof-grzybek) |
 :---: |:---: |:---: |:---: |:---: |:---: |
 [mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[lygstate](https://github.com/lygstate) |[mik-laj](https://github.com/mik-laj) |[krzysztof-grzybek](https://github.com/krzysztof-grzybek) |
 
-[<img alt="pvoznenko" src="https://avatars0.githubusercontent.com/u/1098414?v=3&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="jettcalleja" src="https://avatars3.githubusercontent.com/u/6356258?v=3&s=117" width="117">](https://github.com/jettcalleja) |[<img alt="filipefalcaos" src="https://avatars1.githubusercontent.com/u/9125631?v=3&s=117" width="117">](https://github.com/filipefalcaos) |[<img alt="kdamball" src="https://avatars0.githubusercontent.com/u/3318312?v=3&s=117" width="117">](https://github.com/kdamball) |[<img alt="lekkas" src="https://avatars0.githubusercontent.com/u/5211478?v=3&s=117" width="117">](https://github.com/lekkas) |[<img alt="infusion" src="https://avatars0.githubusercontent.com/u/197742?v=3&s=117" width="117">](https://github.com/infusion) |
+[<img alt="pvoznenko" src="https://avatars3.githubusercontent.com/u/1098414?v=4&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="jettcalleja" src="https://avatars0.githubusercontent.com/u/6356258?v=4&s=117" width="117">](https://github.com/jettcalleja) |[<img alt="filipefalcaos" src="https://avatars2.githubusercontent.com/u/9125631?v=4&s=117" width="117">](https://github.com/filipefalcaos) |[<img alt="kdamball" src="https://avatars3.githubusercontent.com/u/3318312?v=4&s=117" width="117">](https://github.com/kdamball) |[<img alt="lekkas" src="https://avatars3.githubusercontent.com/u/5211478?v=4&s=117" width="117">](https://github.com/lekkas) |[<img alt="infusion" src="https://avatars3.githubusercontent.com/u/197742?v=4&s=117" width="117">](https://github.com/infusion) |
 :---: |:---: |:---: |:---: |:---: |:---: |
 [pvoznenko](https://github.com/pvoznenko) |[jettcalleja](https://github.com/jettcalleja) |[filipefalcaos](https://github.com/filipefalcaos) |[kdamball](https://github.com/kdamball) |[lekkas](https://github.com/lekkas) |[infusion](https://github.com/infusion) |
 
-[<img alt="deniskyashif" src="https://avatars1.githubusercontent.com/u/5999271?v=3&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="designeng" src="https://avatars3.githubusercontent.com/u/2807469?v=3&s=117" width="117">](https://github.com/designeng) |[<img alt="pkerpedjiev" src="https://avatars0.githubusercontent.com/u/2143629?v=3&s=117" width="117">](https://github.com/pkerpedjiev) |[<img alt="Xuefeng-Zhu" src="https://avatars3.githubusercontent.com/u/5875315?v=3&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="Microfed" src="https://avatars2.githubusercontent.com/u/613179?v=3&s=117" width="117">](https://github.com/Microfed) |[<img alt="amilajack" src="https://avatars2.githubusercontent.com/u/6374832?v=3&s=117" width="117">](https://github.com/amilajack) |
+[<img alt="deniskyashif" src="https://avatars2.githubusercontent.com/u/5999271?v=4&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="designeng" src="https://avatars0.githubusercontent.com/u/2807469?v=4&s=117" width="117">](https://github.com/designeng) |[<img alt="pkerpedjiev" src="https://avatars3.githubusercontent.com/u/2143629?v=4&s=117" width="117">](https://github.com/pkerpedjiev) |[<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="Microfed" src="https://avatars1.githubusercontent.com/u/613179?v=4&s=117" width="117">](https://github.com/Microfed) |[<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) |
 :---: |:---: |:---: |:---: |:---: |:---: |
 [deniskyashif](https://github.com/deniskyashif) |[designeng](https://github.com/designeng) |[pkerpedjiev](https://github.com/pkerpedjiev) |[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[Microfed](https://github.com/Microfed) |[amilajack](https://github.com/amilajack) |
 
-[<img alt="shaunak1111" src="https://avatars0.githubusercontent.com/u/1323960?v=3&s=117" width="117">](https://github.com/shaunak1111) |[<img alt="contra" src="https://avatars3.githubusercontent.com/u/425716?v=3&s=117" width="117">](https://github.com/contra) |[<img alt="liesislukas" src="https://avatars0.githubusercontent.com/u/2733862?v=3&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars1.githubusercontent.com/u/12432794?v=3&s=117" width="117">](https://github.com/millerrach) |[<img alt="fanixk" src="https://avatars1.githubusercontent.com/u/921156?v=3&s=117" width="117">](https://github.com/fanixk) |[<img alt="ysharplanguage" src="https://avatars3.githubusercontent.com/u/1055314?v=3&s=117" width="117">](https://github.com/ysharplanguage) |
+[<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |[<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) |[<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) |[<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) |[<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) |
 :---: |:---: |:---: |:---: |:---: |:---: |
 [shaunak1111](https://github.com/shaunak1111) |[contra](https://github.com/contra) |[liesislukas](https://github.com/liesislukas) |[millerrach](https://github.com/millerrach) |[fanixk](https://github.com/fanixk) |[ysharplanguage](https://github.com/ysharplanguage) |
 

From 2f90ba9cfb1434179d3e9cefe7d868111d3e0d4a Mon Sep 17 00:00:00 2001
From: Mauro Bringolf <mauro@webkinder.ch>
Date: Tue, 15 Aug 2017 14:37:35 +0200
Subject: [PATCH 270/337] Raw implementation and test case from wikipedia

---
 src/graphs/spanning-trees/kruskal.js       | 81 ++++++++++++++++++++++
 test/graphs/spanning-trees/kruskal.spec.js | 53 ++++++++++++++
 2 files changed, 134 insertions(+)
 create mode 100644 src/graphs/spanning-trees/kruskal.js
 create mode 100644 test/graphs/spanning-trees/kruskal.spec.js

diff --git a/src/graphs/spanning-trees/kruskal.js b/src/graphs/spanning-trees/kruskal.js
new file mode 100644
index 00000000..20e031d3
--- /dev/null
+++ b/src/graphs/spanning-trees/kruskal.js
@@ -0,0 +1,81 @@
+// Kruskal's algorithm for minimal spanning tree implemented with the UnionFind datastructure.
+
+(function(exports) {
+  'use strict';
+
+  var QuickUnion = require('../../sets/quickunion').QuickUnion;
+  var mergeSort = require('../../sorting/mergesort').mergeSort;
+  exports.Vertex = require('../../data-structures/vertex').Vertex;
+  exports.Edge = require('../../data-structures/edge').Edge;
+
+  exports.Graph = function (edges) {
+    this.edges = edges || [];
+  }
+
+  exports.Graph.prototype.kruskal = (function () {
+    var qunion;
+    var spanningTree;
+    var indexes;
+
+    /**
+     * Used for sorting the edges
+     *
+     * @private
+     * @param {Vertex} a First operand of the comparison.
+     * @param {Vertex} b Second operand of the comparison.
+     * @return {number} Number which which is equal, greater or
+     *  less then zero and indicates whether the first vertex is
+     *  "smaller" than the second.
+     */
+    function compareEdges(a, b) {
+      return a.distance - b.distance;
+    }
+
+    /**
+     * Initialize the algorithm.
+     *
+     * @private
+     */
+    function init() {
+      var edge;
+      var i = 0;
+
+      mergeSort(this.edges, compareEdges);
+      spanningTree = [];
+      indexes = {};
+
+      // Create links from vertices to QuickUnion elements
+      for (edge of this.edges) {
+        if (!(edge.from.id in indexes)) {
+          indexes[edge.from.id] = i;
+          i += 1;
+        }
+        if (!(edge.to.id in indexes)) {
+          indexes[edge.to.id] = i;
+          i += 1;
+        }
+      }
+
+      qunion = new QuickUnion(i);
+    }
+
+    return function () {
+      init.call(this);
+
+      var edge;
+
+      for (edge of this.edges) {
+        var from = indexes[edge.from.id];
+        var to = indexes[edge.to.id];
+        if (!qunion.connected(from, to)) {
+          qunion.union(from, to);
+          spanningTree.push(edge);
+        }
+      }
+
+      return new exports.Graph(spanningTree);
+    }
+
+  })();
+
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/test/graphs/spanning-trees/kruskal.spec.js b/test/graphs/spanning-trees/kruskal.spec.js
new file mode 100644
index 00000000..f3094b95
--- /dev/null
+++ b/test/graphs/spanning-trees/kruskal.spec.js
@@ -0,0 +1,53 @@
+var kruskal = require('../../../src/graphs/spanning-trees/kruskal');
+
+describe('Kruskal', function() {
+  'use strict';
+
+  it('should define a function', function () {
+    expect(kruskal).toBeDefined();
+    expect(typeof kruskal).toBe('object');
+    expect(typeof kruskal.Graph).toBe('function');
+    expect(typeof kruskal.Edge).toBe('function');
+    expect(typeof kruskal.Vertex).toBe('function');
+  });
+
+  it('should work with an empty graph', function() {
+    var graph = new kruskal.Graph([], 0);
+    var spanningTree = graph.kruskal();
+
+    expect(spanningTree.edges.length).toEqual(0);
+  });
+
+  it('should correctly compute general example', function() {
+    var nodes = [];
+    var edges = [];
+    var i;
+    for (i = 0; i < 7; i += 1) {
+      nodes[i] = new kruskal.Vertex(i);
+    }
+
+    edges.push(new kruskal.Edge(nodes[0], nodes[1], 7));
+    edges.push(new kruskal.Edge(nodes[1], nodes[2], 8));
+    edges.push(new kruskal.Edge(nodes[2], nodes[4], 5));
+    edges.push(new kruskal.Edge(nodes[4], nodes[6], 9));
+    edges.push(new kruskal.Edge(nodes[5], nodes[6], 11));
+    edges.push(new kruskal.Edge(nodes[3], nodes[5], 6));
+    edges.push(new kruskal.Edge(nodes[0], nodes[3], 5));
+    edges.push(new kruskal.Edge(nodes[1], nodes[4], 7));
+    edges.push(new kruskal.Edge(nodes[1], nodes[3], 9));
+    edges.push(new kruskal.Edge(nodes[3], nodes[4], 15));
+    edges.push(new kruskal.Edge(nodes[4], nodes[5], 8));
+
+    var graph = new kruskal.Graph(edges);
+    var spanningTree = graph.kruskal();
+
+    expect(spanningTree.edges.length).toEqual(6);
+
+    var sum = spanningTree.edges.reduce(function(acc, edge) {
+      return acc += edge.distance;
+    }, 0);
+
+    expect(sum).toEqual(39);
+
+  })
+});

From 370848db94eeb61a8138c01d1ef7a9af1070bdd0 Mon Sep 17 00:00:00 2001
From: Alex Jover <alexjovermorales@gmail.com>
Date: Thu, 12 Oct 2017 09:16:43 +0200
Subject: [PATCH 271/337] Simplify linked-list reverse method

---
 src/data-structures/linked-list.js | 28 +++++++++++++---------------
 1 file changed, 13 insertions(+), 15 deletions(-)

diff --git a/src/data-structures/linked-list.js b/src/data-structures/linked-list.js
index 14e9a23e..ac911c24 100644
--- a/src/data-structures/linked-list.js
+++ b/src/data-structures/linked-list.js
@@ -258,21 +258,19 @@
     if (!this.first || !this.first.next) {
       return;
     }
-    var current = this.first.next;
-    var prev = this.first;
-    var temp;
-    while (current) {
-      temp = current.next;
-      current.next = prev;
-      prev.prev = current;
-      prev = current;
-      current = temp;
-    }
-    this.first.next = null;
-    this.last.prev = null;
-    temp = this.first;
-    this.first = prev;
-    this.last = temp;
+    var current = this.first
+    var next
+
+    do {
+      next = current.next
+      current.next = current.prev
+      current.prev = next
+      current = next
+    } while (next)
+
+    var tmp = this.first
+    this.first = this.last
+    this.last = tmp
   };
 
 })(typeof window === 'undefined' ? module.exports : window);

From 424e14e05898eed3da9e18ac2bf07ded64eb712d Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sun, 15 Oct 2017 22:14:06 +0300
Subject: [PATCH 272/337] docs: update the list of contributors

---
 readme.md | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/readme.md b/readme.md
index 5e56cbbc..494a9101 100644
--- a/readme.md
+++ b/readme.md
@@ -77,13 +77,17 @@ If the build is not successful fix your code in order the tests and jshint valid
 :---: |:---: |:---: |:---: |:---: |:---: |
 [pvoznenko](https://github.com/pvoznenko) |[jettcalleja](https://github.com/jettcalleja) |[filipefalcaos](https://github.com/filipefalcaos) |[kdamball](https://github.com/kdamball) |[lekkas](https://github.com/lekkas) |[infusion](https://github.com/infusion) |
 
-[<img alt="deniskyashif" src="https://avatars2.githubusercontent.com/u/5999271?v=4&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="designeng" src="https://avatars0.githubusercontent.com/u/2807469?v=4&s=117" width="117">](https://github.com/designeng) |[<img alt="pkerpedjiev" src="https://avatars3.githubusercontent.com/u/2143629?v=4&s=117" width="117">](https://github.com/pkerpedjiev) |[<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="Microfed" src="https://avatars1.githubusercontent.com/u/613179?v=4&s=117" width="117">](https://github.com/Microfed) |[<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) |
+[<img alt="deniskyashif" src="https://avatars2.githubusercontent.com/u/5999271?v=4&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="designeng" src="https://avatars0.githubusercontent.com/u/2807469?v=4&s=117" width="117">](https://github.com/designeng) |[<img alt="pkerpedjiev" src="https://avatars3.githubusercontent.com/u/2143629?v=4&s=117" width="117">](https://github.com/pkerpedjiev) |[<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="Microfed" src="https://avatars1.githubusercontent.com/u/613179?v=4&s=117" width="117">](https://github.com/Microfed) |[<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[deniskyashif](https://github.com/deniskyashif) |[designeng](https://github.com/designeng) |[pkerpedjiev](https://github.com/pkerpedjiev) |[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[Microfed](https://github.com/Microfed) |[amilajack](https://github.com/amilajack) |
+[deniskyashif](https://github.com/deniskyashif) |[designeng](https://github.com/designeng) |[pkerpedjiev](https://github.com/pkerpedjiev) |[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[Microfed](https://github.com/Microfed) |[alexjoverm](https://github.com/alexjoverm) |
 
-[<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |[<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) |[<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) |[<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) |[<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) |
+[<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) |[<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |[<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) |[<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) |[<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[shaunak1111](https://github.com/shaunak1111) |[contra](https://github.com/contra) |[liesislukas](https://github.com/liesislukas) |[millerrach](https://github.com/millerrach) |[fanixk](https://github.com/fanixk) |[ysharplanguage](https://github.com/ysharplanguage) |
+[amilajack](https://github.com/amilajack) |[shaunak1111](https://github.com/shaunak1111) |[contra](https://github.com/contra) |[liesislukas](https://github.com/liesislukas) |[millerrach](https://github.com/millerrach) |[fanixk](https://github.com/fanixk) |
+
+[<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) |
+:---: |
+[ysharplanguage](https://github.com/ysharplanguage) |
 
 ## License
 

From a6a2ed98445c208062a62e9605c0d07c8e78dbde Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Fri, 3 Nov 2017 18:04:21 -0700
Subject: [PATCH 273/337] Update travis link

---
 readme.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/readme.md b/readme.md
index 494a9101..7db2e68a 100644
--- a/readme.md
+++ b/readme.md
@@ -1,6 +1,6 @@
 ## About
 
-![](https://travis-ci.org/mgechev/javascript-algorithms.svg?branch=master)
+[![Build Status](https://travis-ci.org/mgechev/javascript-algorithms.svg?branch=Jakehp-patch-1)](https://travis-ci.org/mgechev/javascript-algorithms)
 
 This repository contains JavaScript implementations of different famous Computer Science algorithms.
 

From d87dc543c4591bdf695471cf1611ee985a19cbf1 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Tue, 28 Nov 2017 18:35:37 -0800
Subject: [PATCH 274/337] Update docs

---
 readme.md | 44 +++++++++++++++++++++++---------------------
 1 file changed, 23 insertions(+), 21 deletions(-)

diff --git a/readme.md b/readme.md
index 7db2e68a..5a7178e7 100644
--- a/readme.md
+++ b/readme.md
@@ -4,7 +4,8 @@
 
 This repository contains JavaScript implementations of different famous Computer Science algorithms.
 
-API reference with usage examples available <a href="https://mgechev.github.io/javascript-algorithms/" target="_blank">here</a>.
+API reference with usage examples available
+<a href="https://mgechev.github.io/javascript-algorithms/" target="_blank">here</a>.
 
 ## Development
 
@@ -18,13 +19,13 @@ npm install
 
 **To setup repository with documentation**
 
-- Go to the parent directory of the `javascript-algorithms` folder and call:
+* Go to the parent directory of the `javascript-algorithms` folder and call:
 
 ```bash
 git clone https://github.com/mgechev/javascript-algorithms.git javascript-algorithms-docs
 ```
 
-- Go to the `javascript-algorithms-docs` folder and change current branch to `gh-pages`:
+* Go to the `javascript-algorithms-docs` folder and change current branch to `gh-pages`:
 
 ```bash
 git checkout gh-pages
@@ -54,8 +55,8 @@ and all `*.spec.js` files will be executed.
 
 ## Contributions
 
-Fork the repo and make required changes. After that push your changes in branch, which is named according to the changes you did.
-Initiate the PR.
+Fork the repo and make required changes. After that push your changes in branch, which is named according to the changes
+you did. Initiate the PR.
 
 Make sure you're editor makes validations according to the `.jshintrc` in the root directory of the repository.
 
@@ -65,29 +66,30 @@ Before pushing to the repository run:
 gulp build
 ```
 
-If the build is not successful fix your code in order the tests and jshint validation to run successfully and after that create a pull request.
+If the build is not successful fix your code in order the tests and jshint validation to run successfully and after that
+create a pull request.
 
 ## Contributors
 
-[<img alt="mgechev" src="https://avatars1.githubusercontent.com/u/455023?v=4&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars1.githubusercontent.com/u/773648?v=4&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars1.githubusercontent.com/u/1854569?v=4&s=117" width="117">](https://github.com/Jakehp) |[<img alt="lygstate" src="https://avatars3.githubusercontent.com/u/121040?v=4&s=117" width="117">](https://github.com/lygstate) |[<img alt="mik-laj" src="https://avatars1.githubusercontent.com/u/12058428?v=4&s=117" width="117">](https://github.com/mik-laj) |[<img alt="krzysztof-grzybek" src="https://avatars0.githubusercontent.com/u/6236664?v=4&s=117" width="117">](https://github.com/krzysztof-grzybek) |
-:---: |:---: |:---: |:---: |:---: |:---: |
-[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[lygstate](https://github.com/lygstate) |[mik-laj](https://github.com/mik-laj) |[krzysztof-grzybek](https://github.com/krzysztof-grzybek) |
+| [<img alt="mgechev" src="https://avatars1.githubusercontent.com/u/455023?v=4&s=117" width="117">](https://github.com/mgechev) | [<img alt="AndriiHeonia" src="https://avatars1.githubusercontent.com/u/773648?v=4&s=117" width="117">](https://github.com/AndriiHeonia) | [<img alt="Jakehp" src="https://avatars1.githubusercontent.com/u/1854569?v=4&s=117" width="117">](https://github.com/Jakehp) | [<img alt="lygstate" src="https://avatars3.githubusercontent.com/u/121040?v=4&s=117" width="117">](https://github.com/lygstate) | [<img alt="mik-laj" src="https://avatars1.githubusercontent.com/u/12058428?v=4&s=117" width="117">](https://github.com/mik-laj) | [<img alt="krzysztof-grzybek" src="https://avatars0.githubusercontent.com/u/6236664?v=4&s=117" width="117">](https://github.com/krzysztof-grzybek) |
+| :---------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------------------: |
+|                                             [mgechev](https://github.com/mgechev)                                             |                                             [AndriiHeonia](https://github.com/AndriiHeonia)                                             |                                             [Jakehp](https://github.com/Jakehp)                                              |                                             [lygstate](https://github.com/lygstate)                                             |                                              [mik-laj](https://github.com/mik-laj)                                              |                                             [krzysztof-grzybek](https://github.com/krzysztof-grzybek)                                              |
 
-[<img alt="pvoznenko" src="https://avatars3.githubusercontent.com/u/1098414?v=4&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="jettcalleja" src="https://avatars0.githubusercontent.com/u/6356258?v=4&s=117" width="117">](https://github.com/jettcalleja) |[<img alt="filipefalcaos" src="https://avatars2.githubusercontent.com/u/9125631?v=4&s=117" width="117">](https://github.com/filipefalcaos) |[<img alt="kdamball" src="https://avatars3.githubusercontent.com/u/3318312?v=4&s=117" width="117">](https://github.com/kdamball) |[<img alt="lekkas" src="https://avatars3.githubusercontent.com/u/5211478?v=4&s=117" width="117">](https://github.com/lekkas) |[<img alt="infusion" src="https://avatars3.githubusercontent.com/u/197742?v=4&s=117" width="117">](https://github.com/infusion) |
-:---: |:---: |:---: |:---: |:---: |:---: |
-[pvoznenko](https://github.com/pvoznenko) |[jettcalleja](https://github.com/jettcalleja) |[filipefalcaos](https://github.com/filipefalcaos) |[kdamball](https://github.com/kdamball) |[lekkas](https://github.com/lekkas) |[infusion](https://github.com/infusion) |
+| [<img alt="pvoznenko" src="https://avatars3.githubusercontent.com/u/1098414?v=4&s=117" width="117">](https://github.com/pvoznenko) | [<img alt="jettcalleja" src="https://avatars0.githubusercontent.com/u/6356258?v=4&s=117" width="117">](https://github.com/jettcalleja) | [<img alt="filipefalcaos" src="https://avatars2.githubusercontent.com/u/9125631?v=4&s=117" width="117">](https://github.com/filipefalcaos) | [<img alt="kdamball" src="https://avatars3.githubusercontent.com/u/3318312?v=4&s=117" width="117">](https://github.com/kdamball) | [<img alt="lekkas" src="https://avatars3.githubusercontent.com/u/5211478?v=4&s=117" width="117">](https://github.com/lekkas) | [<img alt="infusion" src="https://avatars3.githubusercontent.com/u/197742?v=4&s=117" width="117">](https://github.com/infusion) |
+| :--------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :----------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: |
+|                                             [pvoznenko](https://github.com/pvoznenko)                                              |                                             [jettcalleja](https://github.com/jettcalleja)                                              |                                             [filipefalcaos](https://github.com/filipefalcaos)                                              |                                             [kdamball](https://github.com/kdamball)                                              |                                             [lekkas](https://github.com/lekkas)                                              |                                             [infusion](https://github.com/infusion)                                             |
 
-[<img alt="deniskyashif" src="https://avatars2.githubusercontent.com/u/5999271?v=4&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="designeng" src="https://avatars0.githubusercontent.com/u/2807469?v=4&s=117" width="117">](https://github.com/designeng) |[<img alt="pkerpedjiev" src="https://avatars3.githubusercontent.com/u/2143629?v=4&s=117" width="117">](https://github.com/pkerpedjiev) |[<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="Microfed" src="https://avatars1.githubusercontent.com/u/613179?v=4&s=117" width="117">](https://github.com/Microfed) |[<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) |
-:---: |:---: |:---: |:---: |:---: |:---: |
-[deniskyashif](https://github.com/deniskyashif) |[designeng](https://github.com/designeng) |[pkerpedjiev](https://github.com/pkerpedjiev) |[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[Microfed](https://github.com/Microfed) |[alexjoverm](https://github.com/alexjoverm) |
+| [<img alt="deniskyashif" src="https://avatars2.githubusercontent.com/u/5999271?v=4&s=117" width="117">](https://github.com/deniskyashif) | [<img alt="designeng" src="https://avatars0.githubusercontent.com/u/2807469?v=4&s=117" width="117">](https://github.com/designeng) | [<img alt="pkerpedjiev" src="https://avatars3.githubusercontent.com/u/2143629?v=4&s=117" width="117">](https://github.com/pkerpedjiev) | [<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) | [<img alt="Microfed" src="https://avatars1.githubusercontent.com/u/613179?v=4&s=117" width="117">](https://github.com/Microfed) | [<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) |
+| :--------------------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: | :----------------------------------------------------------------------------------------------------------------------------------: |
+|                                             [deniskyashif](https://github.com/deniskyashif)                                              |                                             [designeng](https://github.com/designeng)                                              |                                             [pkerpedjiev](https://github.com/pkerpedjiev)                                              |                                             [Xuefeng-Zhu](https://github.com/Xuefeng-Zhu)                                              |                                             [Microfed](https://github.com/Microfed)                                             |                                             [alexjoverm](https://github.com/alexjoverm)                                              |
 
-[<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) |[<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |[<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) |[<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) |[<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) |
-:---: |:---: |:---: |:---: |:---: |:---: |
-[amilajack](https://github.com/amilajack) |[shaunak1111](https://github.com/shaunak1111) |[contra](https://github.com/contra) |[liesislukas](https://github.com/liesislukas) |[millerrach](https://github.com/millerrach) |[fanixk](https://github.com/fanixk) |
+| [<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) | [<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) | [<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) | [<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) | [<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) | [<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) |
+| :--------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------: |
+|                                             [amilajack](https://github.com/amilajack)                                              |                                             [shaunak1111](https://github.com/shaunak1111)                                              |                                             [contra](https://github.com/contra)                                             |                                             [liesislukas](https://github.com/liesislukas)                                              |                                              [millerrach](https://github.com/millerrach)                                              |                                             [fanixk](https://github.com/fanixk)                                             |
 
-[<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) |
-:---: |
-[ysharplanguage](https://github.com/ysharplanguage) |
+| [<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) |
+| :------------------------------------------------------------------------------------------------------------------------------------------: |
+|                                             [ysharplanguage](https://github.com/ysharplanguage)                                              |
 
 ## License
 

From 3eee56076fec9a056f158b87ef2a3f01fc5f02eb Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Tue, 28 Nov 2017 18:55:58 -0800
Subject: [PATCH 275/337] Update dependencies

---
 package-lock.json | 1480 ++++++++++++++++++++++++++++++---------------
 package.json      |    2 +-
 2 files changed, 1009 insertions(+), 473 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 0fbe7a4c..601891e0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2,6 +2,7 @@
   "name": "javascript-algorithms",
   "version": "0.0.0",
   "lockfileVersion": 1,
+  "requires": true,
   "dependencies": {
     "acorn": {
       "version": "5.0.3",
@@ -14,6 +15,9 @@
       "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz",
       "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
       "dev": true,
+      "requires": {
+        "acorn": "3.3.0"
+      },
       "dependencies": {
         "acorn": {
           "version": "3.3.0",
@@ -27,7 +31,11 @@
       "version": "4.11.8",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-4.11.8.tgz",
       "integrity": "sha1-gv+wKynmYq5TvcIK8VlHcGc5xTY=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "co": "4.6.0",
+        "json-stable-stringify": "1.0.1"
+      }
     },
     "ajv-keywords": {
       "version": "1.5.1",
@@ -63,13 +71,19 @@
       "version": "1.0.9",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.9.tgz",
       "integrity": "sha1-c9g7wmP4bpf4zE9rrhsOkKfSLIY=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "sprintf-js": "1.0.3"
+      }
     },
     "arr-diff": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-2.0.0.tgz",
       "integrity": "sha1-jzuCf5Vai9ZpaX5KQlasPOrjVs8=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "arr-flatten": "1.0.3"
+      }
     },
     "arr-flatten": {
       "version": "1.0.3",
@@ -87,7 +101,10 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/array-union/-/array-union-1.0.2.tgz",
       "integrity": "sha1-mjRBDk9OPaI96jdb5b5w8kd47Dk=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "array-uniq": "1.0.3"
+      }
     },
     "array-uniq": {
       "version": "1.0.3",
@@ -107,16 +124,21 @@
       "integrity": "sha1-iYUI2iIm84DfkEcoRWhJwVAaSw0=",
       "dev": true
     },
-    "async": {
-      "version": "0.2.10",
-      "resolved": "https://registry.npmjs.org/async/-/async-0.2.10.tgz",
-      "integrity": "sha1-trvgsGdLnXGXCMo43owjfLUmw9E=",
-      "dev": true
-    },
     "babel-code-frame": {
       "version": "6.22.0",
       "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.22.0.tgz",
       "integrity": "sha1-AnYgvuVnqIwyVhV05/0IAdMxGOQ=",
+      "dev": true,
+      "requires": {
+        "chalk": "1.1.3",
+        "esutils": "2.0.2",
+        "js-tokens": "3.0.1"
+      }
+    },
+    "babylon": {
+      "version": "7.0.0-beta.19",
+      "resolved": "https://registry.npmjs.org/babylon/-/babylon-7.0.0-beta.19.tgz",
+      "integrity": "sha512-Vg0C9s/REX6/WIXN37UKpv5ZhRi6A4pjHlpkE34+8/a6c2W1Q692n3hmc+SZG5lKRnaExLUbxtJ1SVT+KaCQ/A==",
       "dev": true
     },
     "balanced-match": {
@@ -131,23 +153,41 @@
       "integrity": "sha1-5tXqjF2tABMEpwsiY4RH9pyy+Ak=",
       "dev": true
     },
+    "bluebird": {
+      "version": "3.5.1",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.1.tgz",
+      "integrity": "sha512-MKiLiV+I1AA596t9w1sQJ8jkiSr5+ZKi0WKrYGUn6d1Fx+Ij4tIj+m2WMQSGczs5jZVxV339chE8iwk6F64wjA==",
+      "dev": true
+    },
     "brace-expansion": {
       "version": "1.1.7",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.7.tgz",
       "integrity": "sha1-Pv/DxQ4ABTH7cg6v+A8K6O8jz1k=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "balanced-match": "0.4.2",
+        "concat-map": "0.0.1"
+      }
     },
     "braces": {
       "version": "1.8.5",
       "resolved": "https://registry.npmjs.org/braces/-/braces-1.8.5.tgz",
       "integrity": "sha1-uneWLhLf+WnWt2cR6RS3N4V79qc=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "expand-range": "1.8.2",
+        "preserve": "0.2.0",
+        "repeat-element": "1.1.2"
+      }
     },
     "bufferstreams": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/bufferstreams/-/bufferstreams-1.1.1.tgz",
       "integrity": "sha1-AWE3MGCsWYjv+ZBYcxEU9uGV1R4=",
       "dev": true,
+      "requires": {
+        "readable-stream": "2.2.11"
+      },
       "dependencies": {
         "isarray": {
           "version": "1.0.0",
@@ -159,13 +199,25 @@
           "version": "2.2.11",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.2.11.tgz",
           "integrity": "sha512-h+8+r3MKEhkiVrwdKL8aWs1oc1VvBu33ueshOvS26RsZQ3Amhx/oO3TKe4lApSV9ueY6as8EAh7mtuFjdlhg9Q==",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "core-util-is": "1.0.2",
+            "inherits": "2.0.3",
+            "isarray": "1.0.0",
+            "process-nextick-args": "1.0.7",
+            "safe-buffer": "5.0.1",
+            "string_decoder": "1.0.2",
+            "util-deprecate": "1.0.2"
+          }
         },
         "string_decoder": {
           "version": "1.0.2",
           "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.2.tgz",
           "integrity": "sha1-sp4fThEl+pehA4K4pTNze3SR4Xk=",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "safe-buffer": "5.0.1"
+          }
         }
       }
     },
@@ -173,7 +225,10 @@
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/caller-path/-/caller-path-0.1.0.tgz",
       "integrity": "sha1-lAhe9jWB7NPaqSREqP6U6CV3dR8=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "callsites": "0.2.0"
+      }
     },
     "callsites": {
       "version": "0.2.0",
@@ -181,17 +236,18 @@
       "integrity": "sha1-r6uWJikQp/M8GaV3WCXGnzTjUMo=",
       "dev": true
     },
-    "catharsis": {
-      "version": "0.8.8",
-      "resolved": "https://registry.npmjs.org/catharsis/-/catharsis-0.8.8.tgz",
-      "integrity": "sha1-aTR59DqsVJ2Aa9c+kkzQ2USVGgY=",
-      "dev": true
-    },
     "chalk": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
       "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "ansi-styles": "2.2.1",
+        "escape-string-regexp": "1.0.5",
+        "has-ansi": "2.0.0",
+        "strip-ansi": "3.0.1",
+        "supports-color": "2.0.0"
+      }
     },
     "circular-json": {
       "version": "0.3.1",
@@ -203,13 +259,10 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-1.0.2.tgz",
       "integrity": "sha1-ZNo/fValRBLll5S9Ytw1KV6PKYc=",
-      "dev": true
-    },
-    "cli-table": {
-      "version": "0.3.1",
-      "resolved": "https://registry.npmjs.org/cli-table/-/cli-table-0.3.1.tgz",
-      "integrity": "sha1-9TsFJmqLGguTSz0IIebi3FkUriM=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "restore-cursor": "1.0.1"
+      }
     },
     "cli-width": {
       "version": "2.1.0",
@@ -241,18 +294,6 @@
       "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
       "dev": true
     },
-    "colors": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/colors/-/colors-1.0.3.tgz",
-      "integrity": "sha1-BDP0TYCWgP3rYO0mDxsMJi6CpAs=",
-      "dev": true
-    },
-    "commander": {
-      "version": "2.6.0",
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+        "mkdirp": "0.5.1",
+        "strip-bom": "1.0.0",
+        "through2": "0.6.5",
+        "vinyl": "0.4.6"
+      },
       "dependencies": {
         "clone": {
           "version": "0.2.0",
@@ -2221,78 +2803,43 @@
           "version": "1.0.34",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
           "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "core-util-is": "1.0.2",
+            "inherits": "2.0.3",
+            "isarray": "0.0.1",
+            "string_decoder": "0.10.31"
+          }
         },
         "through2": {
           "version": "0.6.5",
           "resolved": "https://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
           "integrity": "sha1-QaucZ7KdVyCQcUEOHXp6lozTrUg=",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "readable-stream": "1.0.34",
+            "xtend": "4.0.1"
+          }
         },
         "vinyl": {
           "version": "0.4.6",
           "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-0.4.6.tgz",
           "integrity": "sha1-LzVsh6VQolVGHza76ypbqL94SEc=",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "clone": "0.2.0",
+            "clone-stats": "0.0.1"
+          }
         }
       }
     },
-    "vow": {
-      "version": "0.4.16",
-      "resolved": "https://registry.npmjs.org/vow/-/vow-0.4.16.tgz",
-      "integrity": "sha1-u51U2TjV+AUg1linQOeoleMP7us=",
-      "dev": true
-    },
-    "vow-fs": {
-      "version": "0.3.6",
-      "resolved": "https://registry.npmjs.org/vow-fs/-/vow-fs-0.3.6.tgz",
-      "integrity": "sha1-LUxZviLivyYY3fWXq0uqkjvnIA0=",
-      "dev": true,
-      "dependencies": {
-        "glob": {
-          "version": "7.1.2",
-          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.2.tgz",
-          "integrity": "sha512-MJTUg1kjuLeQCJ+ccE4Vpa6kKVXkPYJ2mOCQyUuKLcLQsdrMCpBPUi8qVE6+YuaJkozeA9NusTAw3hLr8Xe5EQ==",
-          "dev": true
-        },
-        "minimatch": {
-          "version": "3.0.4",
-          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-          "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
-          "dev": true
-        }
-      }
-    },
-    "vow-queue": {
-      "version": "0.4.2",
-      "resolved": "https://registry.npmjs.org/vow-queue/-/vow-queue-0.4.2.tgz",
-      "integrity": "sha1-5/4XFg4Vx8QYTRtmapvGThjjAYQ=",
-      "dev": true
-    },
     "which": {
       "version": "1.2.14",
       "resolved": "https://registry.npmjs.org/which/-/which-1.2.14.tgz",
       "integrity": "sha1-mofEN48D6CfOyvGs31bHNsAcFOU=",
-      "dev": true
-    },
-    "winston": {
-      "version": "0.8.3",
-      "resolved": "https://registry.npmjs.org/winston/-/winston-0.8.3.tgz",
-      "integrity": "sha1-ZLar9M0Brcrv1QCTk7HY6L7BnbA=",
       "dev": true,
-      "dependencies": {
-        "colors": {
-          "version": "0.6.2",
-          "resolved": "https://registry.npmjs.org/colors/-/colors-0.6.2.tgz",
-          "integrity": "sha1-JCP+ZnisDF2uiFLl0OW+CMmXq8w=",
-          "dev": true
-        },
-        "pkginfo": {
-          "version": "0.3.1",
-          "resolved": "https://registry.npmjs.org/pkginfo/-/pkginfo-0.3.1.tgz",
-          "integrity": "sha1-Wyn2qB9wcXFC4J52W76rl7T4HiE=",
-          "dev": true
-        }
+      "requires": {
+        "isexe": "2.0.0"
       }
     },
     "wordwrap": {
@@ -2307,32 +2854,21 @@
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
       "dev": true
     },
-    "wrench": {
-      "version": "1.3.9",
-      "resolved": "https://registry.npmjs.org/wrench/-/wrench-1.3.9.tgz",
-      "integrity": "sha1-bxPsNRRTF+spLKX2UxORskQRFBE=",
-      "dev": true
-    },
     "write": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/write/-/write-0.2.1.tgz",
       "integrity": "sha1-X8A4KOJkzqP+kUVUdvejxWbLB1c=",
-      "dev": true
-    },
-    "xmlbuilder": {
-      "version": "2.6.5",
-      "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-2.6.5.tgz",
-      "integrity": "sha1-b/etYPty0idk8AehZLd/K/FABSY=",
       "dev": true,
-      "dependencies": {
-        "lodash": {
-          "version": "3.10.1",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
-          "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y=",
-          "dev": true
-        }
+      "requires": {
+        "mkdirp": "0.5.1"
       }
     },
+    "xmlcreate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/xmlcreate/-/xmlcreate-1.0.2.tgz",
+      "integrity": "sha1-+mv3YqYKQT+z3Y9LA8WyaSONMI8=",
+      "dev": true
+    },
     "xtend": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
diff --git a/package.json b/package.json
index 9d97aa97..0713eba3 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "gulp": "^3.8.10",
     "gulp-jasmine": "^2.0.1",
     "gulp-shell": "^0.2.11",
-    "jsdoc": "3.3.0-alpha13"
+    "jsdoc": "3.5.5"
   },
   "scripts": {
     "test": "gulp test"

From e17a272d90f46c457fc6b9264a11e28f74ba0242 Mon Sep 17 00:00:00 2001
From: miyes <miyes90@163.com>
Date: Sat, 16 Dec 2017 15:03:14 +0800
Subject: [PATCH 276/337] repair recursiveReverse bug

The prev reference error of the node after the iteration is called.
---
 src/data-structures/linked-list.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/data-structures/linked-list.js b/src/data-structures/linked-list.js
index ac911c24..c8d22db5 100644
--- a/src/data-structures/linked-list.js
+++ b/src/data-structures/linked-list.js
@@ -235,6 +235,7 @@
         return;
       }
       inverse(next, next.next);
+      next.prev = next.next;
       next.next = current;
     }
 
@@ -242,6 +243,7 @@
       return;
     }
     inverse(this.first, this.first.next);
+    this.first.prev = this.first.next;
     this.first.next = null;
     var temp = this.first;
     this.first = this.last;

From 55ed569ce7a097a58b9aa0674c72f0d3f26e850b Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 16 Dec 2017 21:18:09 +0200
Subject: [PATCH 277/337] docs: update the list of contributors

---
 readme.md | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/readme.md b/readme.md
index 5a7178e7..f64700bf 100644
--- a/readme.md
+++ b/readme.md
@@ -75,21 +75,21 @@ create a pull request.
 | :---------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------------------: |
 |                                             [mgechev](https://github.com/mgechev)                                             |                                             [AndriiHeonia](https://github.com/AndriiHeonia)                                             |                                             [Jakehp](https://github.com/Jakehp)                                              |                                             [lygstate](https://github.com/lygstate)                                             |                                              [mik-laj](https://github.com/mik-laj)                                              |                                             [krzysztof-grzybek](https://github.com/krzysztof-grzybek)                                              |
 
-| [<img alt="pvoznenko" src="https://avatars3.githubusercontent.com/u/1098414?v=4&s=117" width="117">](https://github.com/pvoznenko) | [<img alt="jettcalleja" src="https://avatars0.githubusercontent.com/u/6356258?v=4&s=117" width="117">](https://github.com/jettcalleja) | [<img alt="filipefalcaos" src="https://avatars2.githubusercontent.com/u/9125631?v=4&s=117" width="117">](https://github.com/filipefalcaos) | [<img alt="kdamball" src="https://avatars3.githubusercontent.com/u/3318312?v=4&s=117" width="117">](https://github.com/kdamball) | [<img alt="lekkas" src="https://avatars3.githubusercontent.com/u/5211478?v=4&s=117" width="117">](https://github.com/lekkas) | [<img alt="infusion" src="https://avatars3.githubusercontent.com/u/197742?v=4&s=117" width="117">](https://github.com/infusion) |
-| :--------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :----------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: |
-|                                             [pvoznenko](https://github.com/pvoznenko)                                              |                                             [jettcalleja](https://github.com/jettcalleja)                                              |                                             [filipefalcaos](https://github.com/filipefalcaos)                                              |                                             [kdamball](https://github.com/kdamball)                                              |                                             [lekkas](https://github.com/lekkas)                                              |                                             [infusion](https://github.com/infusion)                                             |
+| [<img alt="pvoznenko" src="https://avatars3.githubusercontent.com/u/1098414?v=4&s=117" width="117">](https://github.com/pvoznenko) | [<img alt="jettcalleja" src="https://avatars0.githubusercontent.com/u/6356258?v=4&s=117" width="117">](https://github.com/jettcalleja) | [<img alt="kdamball" src="https://avatars3.githubusercontent.com/u/3318312?v=4&s=117" width="117">](https://github.com/kdamball) | [<img alt="lekkas" src="https://avatars3.githubusercontent.com/u/5211478?v=4&s=117" width="117">](https://github.com/lekkas) | [<img alt="infusion" src="https://avatars3.githubusercontent.com/u/197742?v=4&s=117" width="117">](https://github.com/infusion) | [<img alt="deniskyashif" src="https://avatars2.githubusercontent.com/u/5999271?v=4&s=117" width="117">](https://github.com/deniskyashif) |
+| :--------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------------------: |
+|                                             [pvoznenko](https://github.com/pvoznenko)                                              |                                             [jettcalleja](https://github.com/jettcalleja)                                              |                                             [kdamball](https://github.com/kdamball)                                              |                                             [lekkas](https://github.com/lekkas)                                              |                                             [infusion](https://github.com/infusion)                                             |                                             [deniskyashif](https://github.com/deniskyashif)                                              |
 
-| [<img alt="deniskyashif" src="https://avatars2.githubusercontent.com/u/5999271?v=4&s=117" width="117">](https://github.com/deniskyashif) | [<img alt="designeng" src="https://avatars0.githubusercontent.com/u/2807469?v=4&s=117" width="117">](https://github.com/designeng) | [<img alt="pkerpedjiev" src="https://avatars3.githubusercontent.com/u/2143629?v=4&s=117" width="117">](https://github.com/pkerpedjiev) | [<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) | [<img alt="Microfed" src="https://avatars1.githubusercontent.com/u/613179?v=4&s=117" width="117">](https://github.com/Microfed) | [<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) |
-| :--------------------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: | :----------------------------------------------------------------------------------------------------------------------------------: |
-|                                             [deniskyashif](https://github.com/deniskyashif)                                              |                                             [designeng](https://github.com/designeng)                                              |                                             [pkerpedjiev](https://github.com/pkerpedjiev)                                              |                                             [Xuefeng-Zhu](https://github.com/Xuefeng-Zhu)                                              |                                             [Microfed](https://github.com/Microfed)                                             |                                             [alexjoverm](https://github.com/alexjoverm)                                              |
+| [<img alt="filipefalcaos" src="https://avatars2.githubusercontent.com/u/9125631?v=4&s=117" width="117">](https://github.com/filipefalcaos) | [<img alt="designeng" src="https://avatars0.githubusercontent.com/u/2807469?v=4&s=117" width="117">](https://github.com/designeng) | [<img alt="Microfed" src="https://avatars1.githubusercontent.com/u/613179?v=4&s=117" width="117">](https://github.com/Microfed) | [<img alt="pkerpedjiev" src="https://avatars3.githubusercontent.com/u/2143629?v=4&s=117" width="117">](https://github.com/pkerpedjiev) | [<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) | [<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) |
+| :----------------------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :----------------------------------------------------------------------------------------------------------------------------------: |
+|                                             [filipefalcaos](https://github.com/filipefalcaos)                                              |                                             [designeng](https://github.com/designeng)                                              |                                             [Microfed](https://github.com/Microfed)                                             |                                             [pkerpedjiev](https://github.com/pkerpedjiev)                                              |                                             [Xuefeng-Zhu](https://github.com/Xuefeng-Zhu)                                              |                                             [alexjoverm](https://github.com/alexjoverm)                                              |
 
-| [<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) | [<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) | [<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) | [<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) | [<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) | [<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) |
-| :--------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------: |
-|                                             [amilajack](https://github.com/amilajack)                                              |                                             [shaunak1111](https://github.com/shaunak1111)                                              |                                             [contra](https://github.com/contra)                                             |                                             [liesislukas](https://github.com/liesislukas)                                              |                                              [millerrach](https://github.com/millerrach)                                              |                                             [fanixk](https://github.com/fanixk)                                             |
+| [<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) | [<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) | [<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) | [<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) | [<img alt="maurobringolf" src="https://avatars0.githubusercontent.com/u/18613301?v=4&s=117" width="117">](https://github.com/maurobringolf) | [<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) |
+| :--------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------------: |
+|                                             [amilajack](https://github.com/amilajack)                                              |                                             [ysharplanguage](https://github.com/ysharplanguage)                                              |                                             [contra](https://github.com/contra)                                             |                                             [liesislukas](https://github.com/liesislukas)                                              |                                              [maurobringolf](https://github.com/maurobringolf)                                              |                                              [millerrach](https://github.com/millerrach)                                              |
 
-| [<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) |
-| :------------------------------------------------------------------------------------------------------------------------------------------: |
-|                                             [ysharplanguage](https://github.com/ysharplanguage)                                              |
+| [<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) | [<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |
+| :-------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: |
+|                                             [fanixk](https://github.com/fanixk)                                             |                                             [shaunak1111](https://github.com/shaunak1111)                                              |
 
 ## License
 

From dfaa6cd75e687328ff4448d688c9484eedf4c1e7 Mon Sep 17 00:00:00 2001
From: Jeremy Kahn <jeremy@jellyvision.com>
Date: Fri, 22 Dec 2017 16:09:35 -0600
Subject: [PATCH 278/337] Switch to @jeremyckahn/minami theme

---
 doc-config.json | 2 +-
 package.json    | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc-config.json b/doc-config.json
index 90b5cbb4..b3d76520 100644
--- a/doc-config.json
+++ b/doc-config.json
@@ -23,7 +23,7 @@
     },
     "plugins": [],
     "opts": {
-        "template": "templates/default",
+        "template": "node_modules/@jeremyckahn/minami",
         "encoding": "utf8",
         "destination": "../javascript-algorithms-docs",
         "recurse": true,
diff --git a/package.json b/package.json
index 0713eba3..2085a973 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,7 @@
     "test": "test"
   },
   "devDependencies": {
+    "@jeremyckahn/minami": "^1.3.1",
     "gulp-eslint": "^3.0.1",
     "gulp": "^3.8.10",
     "gulp-jasmine": "^2.0.1",

From 84cf1353767ac821fe931eb9b3b1dcd51e977575 Mon Sep 17 00:00:00 2001
From: Jeremy Kahn <jeremy@jellyvision.com>
Date: Fri, 22 Dec 2017 16:22:02 -0600
Subject: [PATCH 279/337] Build docs to dist directory

---
 .gitignore      | 3 ++-
 doc-config.json | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index 7e6c166d..3fcdef0c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 node_modules
 npm-debug.log
 debug
-.idea
\ No newline at end of file
+dist
+.idea
diff --git a/doc-config.json b/doc-config.json
index b3d76520..ee4dedd3 100644
--- a/doc-config.json
+++ b/doc-config.json
@@ -25,7 +25,7 @@
     "opts": {
         "template": "node_modules/@jeremyckahn/minami",
         "encoding": "utf8",
-        "destination": "../javascript-algorithms-docs",
+        "destination": "dist",
         "recurse": true,
         "private": false,
         "readme": "./readme.md"

From aec32003120719b9f170a7118b2f3edd6e11eef6 Mon Sep 17 00:00:00 2001
From: Jeremy Kahn <jeremy@jellyvision.com>
Date: Fri, 22 Dec 2017 16:22:37 -0600
Subject: [PATCH 280/337] Switch from gulp to npm for doc generation

---
 gulpfile.js  |  8 --------
 package.json | 10 +++++++---
 readme.md    | 20 +++-----------------
 3 files changed, 10 insertions(+), 28 deletions(-)

diff --git a/gulpfile.js b/gulpfile.js
index 95f2a2c0..81073a4d 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -1,15 +1,7 @@
 'use strict';
 var gulp = require('gulp');
-var shell = require('gulp-shell');
 var eslint = require('gulp-eslint');
 var jasmine = require('gulp-jasmine');
-var isWin = /^win/.test(process.platform);
-
-gulp.task('jsdoc', shell.task([
-  (isWin) ?
-  '"node_modules/.bin/jsdoc.cmd" -c ./doc-config.json' :
-  './node_modules/.bin/jsdoc -c ./doc-config.json'
-]));
 
 gulp.task('test', function () {
   return gulp.src('test/**/*.spec.js')
diff --git a/package.json b/package.json
index 2085a973..64b57779 100644
--- a/package.json
+++ b/package.json
@@ -8,14 +8,18 @@
   },
   "devDependencies": {
     "@jeremyckahn/minami": "^1.3.1",
-    "gulp-eslint": "^3.0.1",
     "gulp": "^3.8.10",
+    "gulp-eslint": "^3.0.1",
     "gulp-jasmine": "^2.0.1",
     "gulp-shell": "^0.2.11",
-    "jsdoc": "3.5.5"
+    "jsdoc": "3.5.5",
+    "live-server": "^1.2.0"
   },
   "scripts": {
-    "test": "gulp test"
+    "test": "gulp test",
+    "doc": "npm run doc:build && npm run doc:view",
+    "doc:build": "jsdoc -c doc-config.json",
+    "doc:view": "live-server dist --port=9124"
   },
   "repository": {
     "type": "git",
diff --git a/readme.md b/readme.md
index f64700bf..281b3680 100644
--- a/readme.md
+++ b/readme.md
@@ -19,29 +19,15 @@ npm install
 
 **To setup repository with documentation**
 
-* Go to the parent directory of the `javascript-algorithms` folder and call:
-
-```bash
-git clone https://github.com/mgechev/javascript-algorithms.git javascript-algorithms-docs
-```
-
-* Go to the `javascript-algorithms-docs` folder and change current branch to `gh-pages`:
-
 ```bash
-git checkout gh-pages
+npm run:doc
 ```
 
-Now you can see `index.html` file in this folder and open it in your browser.
+This will build the documentation and open it in your browser.
 
 **To update .html files with documentation**
 
-Go to the `javascript-algorithms` folder and call:
-
-```bash
-gulp jsdoc
-```
-
-and all files in `javascript-algorithms-docs` folder will be updated.
+Just run `npm run:doc` again.
 
 **To run tests**
 

From 30caa8b5e0eca9e8c07911508bf5dcda0a2037e6 Mon Sep 17 00:00:00 2001
From: Jeremy Kahn <jeremy@jellyvision.com>
Date: Fri, 22 Dec 2017 16:24:05 -0600
Subject: [PATCH 281/337] Add deploy script

---
 package.json | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/package.json b/package.json
index 64b57779..d200b5ab 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
   },
   "devDependencies": {
     "@jeremyckahn/minami": "^1.3.1",
+    "gh-pages": "^1.1.0",
     "gulp": "^3.8.10",
     "gulp-eslint": "^3.0.1",
     "gulp-jasmine": "^2.0.1",
@@ -17,6 +18,7 @@
   },
   "scripts": {
     "test": "gulp test",
+    "deploy": "npm run doc:build && gh-pages -d dist -b gh-pages",
     "doc": "npm run doc:build && npm run doc:view",
     "doc:build": "jsdoc -c doc-config.json",
     "doc:view": "live-server dist --port=9124"

From 9a0e6353fedc23f68a1d615fb3d7cae2e0622395 Mon Sep 17 00:00:00 2001
From: Jeremy Kahn <jeremy@jellyvision.com>
Date: Fri, 22 Dec 2017 16:31:02 -0600
Subject: [PATCH 282/337] Document deploy process

---
 readme.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/readme.md b/readme.md
index 281b3680..f24c4899 100644
--- a/readme.md
+++ b/readme.md
@@ -39,6 +39,14 @@ gulp test
 
 and all `*.spec.js` files will be executed.
 
+**To deploy documentation site**
+
+```bash
+npm run deploy
+```
+
+This requires you to have commit access to your Git remote.
+
 ## Contributions
 
 Fork the repo and make required changes. After that push your changes in branch, which is named according to the changes

From 652fef84ab0ceda7d865197fea29b36b1f53db4d Mon Sep 17 00:00:00 2001
From: Jeremy Kahn <jeremy@jellyvision.com>
Date: Fri, 22 Dec 2017 16:39:27 -0600
Subject: [PATCH 283/337] Uninstall gulp-shell

---
 package.json | 1 -
 1 file changed, 1 deletion(-)

diff --git a/package.json b/package.json
index d200b5ab..8836a1c4 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,6 @@
     "gulp": "^3.8.10",
     "gulp-eslint": "^3.0.1",
     "gulp-jasmine": "^2.0.1",
-    "gulp-shell": "^0.2.11",
     "jsdoc": "3.5.5",
     "live-server": "^1.2.0"
   },

From 5f09b8d2049b7c0c9b587ac14a9bd7b91ae2723c Mon Sep 17 00:00:00 2001
From: Jeremy Kahn <jeremy@jellyvision.com>
Date: Fri, 22 Dec 2017 16:39:39 -0600
Subject: [PATCH 284/337] Update package-lock.json

---
 package-lock.json | 1792 +++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 1724 insertions(+), 68 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 601891e0..78e33fc3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,22 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@jeremyckahn/minami": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@jeremyckahn/minami/-/minami-1.3.1.tgz",
+      "integrity": "sha512-jeOFPfq3zLxnQ0dhlhrZd5J0qZDdF1wkrNlr6ErVaGtjPTq9gn/NIK0GDOmGcAJgN/6yKwRdMxPy33u12lQWiQ==",
+      "dev": true
+    },
+    "accepts": {
+      "version": "1.3.4",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.4.tgz",
+      "integrity": "sha1-hiRnWMfdbSGmR0/whKR0DsBesh8=",
+      "dev": true,
+      "requires": {
+        "mime-types": "2.1.17",
+        "negotiator": "0.6.1"
+      }
+    },
     "acorn": {
       "version": "5.0.3",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.0.3.tgz",
@@ -61,6 +77,31 @@
       "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
       "dev": true
     },
+    "anymatch": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-1.3.2.tgz",
+      "integrity": "sha512-0XNayC8lTHQ2OI8aljNCN3sSx6hsr/1+rlcDAotXJR7C1oZZHCNsfpbKwMjRA3Uqb5tF1Rae2oloTr4xpq+WjA==",
+      "dev": true,
+      "requires": {
+        "micromatch": "2.3.11",
+        "normalize-path": "2.1.1"
+      }
+    },
+    "apache-crypt": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/apache-crypt/-/apache-crypt-1.2.1.tgz",
+      "integrity": "sha1-1vxyqm0n2ZyVqU/RiNcx7v/6Zjw=",
+      "dev": true,
+      "requires": {
+        "unix-crypt-td-js": "1.0.0"
+      }
+    },
+    "apache-md5": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/apache-md5/-/apache-md5-1.1.2.tgz",
+      "integrity": "sha1-7klza2ObTxCLbp5ibG2pkwa0FpI=",
+      "dev": true
+    },
     "archy": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/archy/-/archy-1.0.0.tgz",
@@ -124,6 +165,29 @@
       "integrity": "sha1-iYUI2iIm84DfkEcoRWhJwVAaSw0=",
       "dev": true
     },
+    "async": {
+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.0.tgz",
+      "integrity": "sha512-xAfGg1/NTLBBKlHFmnd7PlmUW9KhVQIUuSrYem9xzFUZy13ScvtyGGejaae9iAVRiRq9+Cx7DPFaAAhCpyxyPw==",
+      "dev": true,
+      "requires": {
+        "lodash": "4.17.4"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.4",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.4.tgz",
+          "integrity": "sha1-eCA6TRwyiuHYbcpkYONptX9AVa4=",
+          "dev": true
+        }
+      }
+    },
+    "async-each": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/async-each/-/async-each-1.0.1.tgz",
+      "integrity": "sha1-GdOGodntxufByF04iu28xW0zYC0=",
+      "dev": true
+    },
     "babel-code-frame": {
       "version": "6.22.0",
       "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.22.0.tgz",
@@ -147,12 +211,53 @@
       "integrity": "sha1-yz8+PHMtwPAe5wtAPzAuYddwmDg=",
       "dev": true
     },
+    "base64url": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/base64url/-/base64url-2.0.0.tgz",
+      "integrity": "sha1-6sFuA+oUOO/5Qj1puqNiYu0fcLs=",
+      "dev": true
+    },
+    "basic-auth": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/basic-auth/-/basic-auth-2.0.0.tgz",
+      "integrity": "sha1-AV2z81PgLlY3d1X5YnQuiYHnu7o=",
+      "dev": true,
+      "requires": {
+        "safe-buffer": "5.1.1"
+      },
+      "dependencies": {
+        "safe-buffer": {
+          "version": "5.1.1",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
+          "integrity": "sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg==",
+          "dev": true
+        }
+      }
+    },
+    "batch": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/batch/-/batch-0.6.1.tgz",
+      "integrity": "sha1-3DQxT05nkxgJP8dgJyUl+UvyXBY=",
+      "dev": true
+    },
+    "bcryptjs": {
+      "version": "2.4.3",
+      "resolved": "https://registry.npmjs.org/bcryptjs/-/bcryptjs-2.4.3.tgz",
+      "integrity": "sha1-mrVie5PmBiH/fNrF2pczAn3x0Ms=",
+      "dev": true
+    },
     "beeper": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/beeper/-/beeper-1.1.1.tgz",
       "integrity": "sha1-5tXqjF2tABMEpwsiY4RH9pyy+Ak=",
       "dev": true
     },
+    "binary-extensions": {
+      "version": "1.11.0",
+      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.11.0.tgz",
+      "integrity": "sha1-RqoXUftqL5PuXmibsQh9SxTGwgU=",
+      "dev": true
+    },
     "bluebird": {
       "version": "3.5.1",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.1.tgz",
@@ -249,6 +354,23 @@
         "supports-color": "2.0.0"
       }
     },
+    "chokidar": {
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-1.7.0.tgz",
+      "integrity": "sha1-eY5ol3gVHIB2tLNg5e3SjNortGg=",
+      "dev": true,
+      "requires": {
+        "anymatch": "1.3.2",
+        "async-each": "1.0.1",
+        "fsevents": "1.1.3",
+        "glob-parent": "2.0.0",
+        "inherits": "2.0.3",
+        "is-binary-path": "1.0.1",
+        "is-glob": "2.0.1",
+        "path-is-absolute": "1.0.1",
+        "readdirp": "2.1.0"
+      }
+    },
     "circular-json": {
       "version": "0.3.1",
       "resolved": "https://registry.npmjs.org/circular-json/-/circular-json-0.3.1.tgz",
@@ -294,6 +416,18 @@
       "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
       "dev": true
     },
+    "colors": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/colors/-/colors-1.1.2.tgz",
+      "integrity": "sha1-FopHAXVran9RoSzgyXv6KMCE7WM=",
+      "dev": true
+    },
+    "commander": {
+      "version": "2.11.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.11.0.tgz",
+      "integrity": "sha512-b0553uYA5YAEGgyYIGYROzKQ7X5RAqedkfjiZxwi0kL1g3bOaBNNZfYkzt/CL0umgD5wc9Jec2FbB98CjkMRvQ==",
+      "dev": true
+    },
     "concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
@@ -343,12 +477,59 @@
         }
       }
     },
+    "connect": {
+      "version": "3.5.1",
+      "resolved": "https://registry.npmjs.org/connect/-/connect-3.5.1.tgz",
+      "integrity": "sha1-bTDXpjx/FwhXprOqazY9lz3KWI4=",
+      "dev": true,
+      "requires": {
+        "debug": "2.2.0",
+        "finalhandler": "0.5.1",
+        "parseurl": "1.3.2",
+        "utils-merge": "1.0.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
+          "integrity": "sha1-+HBX6ZWxofauaklgZkE3vFbwOdo=",
+          "dev": true,
+          "requires": {
+            "ms": "0.7.1"
+          }
+        },
+        "ms": {
+          "version": "0.7.1",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.1.tgz",
+          "integrity": "sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg=",
+          "dev": true
+        }
+      }
+    },
     "core-util-is": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
       "dev": true
     },
+    "cors": {
+      "version": "2.8.4",
+      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.4.tgz",
+      "integrity": "sha1-K9OB8usgECAQXNUOpZ2mMJBpRoY=",
+      "dev": true,
+      "requires": {
+        "object-assign": "4.1.1",
+        "vary": "1.1.2"
+      },
+      "dependencies": {
+        "object-assign": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+          "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=",
+          "dev": true
+        }
+      }
+    },
     "d": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/d/-/d-1.0.0.tgz",
@@ -411,12 +592,24 @@
         }
       }
     },
+    "depd": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.1.tgz",
+      "integrity": "sha1-V4O04cRZ8G+lyif5kfPQbnoxA1k=",
+      "dev": true
+    },
     "deprecated": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/deprecated/-/deprecated-0.0.1.tgz",
       "integrity": "sha1-+cmvVGSvoeepcUWKi97yqpTVuxk=",
       "dev": true
     },
+    "destroy": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
+      "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=",
+      "dev": true
+    },
     "detect-file": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/detect-file/-/detect-file-0.1.0.tgz",
@@ -444,6 +637,12 @@
         }
       }
     },
+    "duplexer": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/duplexer/-/duplexer-0.1.1.tgz",
+      "integrity": "sha1-rOb/gIwc5mtX0ev5eXessCM0z8E=",
+      "dev": true
+    },
     "duplexer2": {
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/duplexer2/-/duplexer2-0.0.2.tgz",
@@ -453,6 +652,18 @@
         "readable-stream": "1.1.14"
       }
     },
+    "ee-first": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
+      "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=",
+      "dev": true
+    },
+    "encodeurl": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.1.tgz",
+      "integrity": "sha1-eePVhlU0aQn+bw9Fpd5oEDspTSA=",
+      "dev": true
+    },
     "end-of-stream": {
       "version": "0.1.5",
       "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-0.1.5.tgz",
@@ -532,6 +743,12 @@
         "es6-symbol": "3.1.1"
       }
     },
+    "escape-html": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
+      "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=",
+      "dev": true
+    },
     "escape-string-regexp": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
@@ -700,6 +917,12 @@
       "integrity": "sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs=",
       "dev": true
     },
+    "etag": {
+      "version": "1.8.1",
+      "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
+      "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=",
+      "dev": true
+    },
     "event-emitter": {
       "version": "0.3.5",
       "resolved": "https://registry.npmjs.org/event-emitter/-/event-emitter-0.3.5.tgz",
@@ -710,6 +933,21 @@
         "es5-ext": "0.10.23"
       }
     },
+    "event-stream": {
+      "version": "3.3.4",
+      "resolved": "https://registry.npmjs.org/event-stream/-/event-stream-3.3.4.tgz",
+      "integrity": "sha1-SrTJoPWlTbkzi0w02Gv86PSzVXE=",
+      "dev": true,
+      "requires": {
+        "duplexer": "0.1.1",
+        "from": "0.1.7",
+        "map-stream": "0.1.0",
+        "pause-stream": "0.0.11",
+        "split": "0.3.3",
+        "stream-combiner": "0.0.4",
+        "through": "2.3.8"
+      }
+    },
     "exit": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/exit/-/exit-0.1.2.tgz",
@@ -780,6 +1018,15 @@
       "integrity": "sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=",
       "dev": true
     },
+    "faye-websocket": {
+      "version": "0.11.1",
+      "resolved": "https://registry.npmjs.org/faye-websocket/-/faye-websocket-0.11.1.tgz",
+      "integrity": "sha1-8O/hjE9W5PQK/H4Gxxn9XuYYjzg=",
+      "dev": true,
+      "requires": {
+        "websocket-driver": "0.7.0"
+      }
+    },
     "figures": {
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/figures/-/figures-1.7.0.tgz",
@@ -835,6 +1082,36 @@
         "repeat-string": "1.6.1"
       }
     },
+    "finalhandler": {
+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-0.5.1.tgz",
+      "integrity": "sha1-LEANjUUwk1vCMlScX6OF7Afeb80=",
+      "dev": true,
+      "requires": {
+        "debug": "2.2.0",
+        "escape-html": "1.0.3",
+        "on-finished": "2.3.0",
+        "statuses": "1.3.1",
+        "unpipe": "1.0.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
+          "integrity": "sha1-+HBX6ZWxofauaklgZkE3vFbwOdo=",
+          "dev": true,
+          "requires": {
+            "ms": "0.7.1"
+          }
+        },
+        "ms": {
+          "version": "0.7.1",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.1.tgz",
+          "integrity": "sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg=",
+          "dev": true
+        }
+      }
+    },
     "find-index": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/find-index/-/find-index-0.1.1.tgz",
@@ -915,40 +1192,1049 @@
         "for-in": "1.0.2"
       }
     },
+    "fresh": {
+      "version": "0.5.2",
+      "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
+      "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=",
+      "dev": true
+    },
+    "from": {
+      "version": "0.1.7",
+      "resolved": "https://registry.npmjs.org/from/-/from-0.1.7.tgz",
+      "integrity": "sha1-g8YK/Fi5xWmXAH7Rp2izqzA6RP4=",
+      "dev": true
+    },
     "fs-exists-sync": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/fs-exists-sync/-/fs-exists-sync-0.1.0.tgz",
       "integrity": "sha1-mC1ok6+RjnLQjeyehnP/K1qNat0=",
       "dev": true
     },
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@@ -2114,6 +3523,15 @@
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       "dev": true
     },
+    "opn": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/opn/-/opn-5.1.0.tgz",
+      "integrity": "sha512-iPNl7SyM8L30Rm1sjGdLLheyHVw5YXVfi3SKWJzBI7efxRwHojfRFjwE/OLM6qp9xJYMgab8WicTU1cPoY+Hpg==",
+      "dev": true,
+      "requires": {
+        "is-wsl": "1.1.0"
+      }
+    },
     "optionator": {
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.2.tgz",
@@ -2180,6 +3598,12 @@
       "integrity": "sha1-bVuTSkVpk7I9N/QKOC1vFmao5cY=",
       "dev": true
     },
+    "parseurl": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.2.tgz",
+      "integrity": "sha1-/CidTtiZMRlGDBViUyYs3I3mW/M=",
+      "dev": true
+    },
     "path-is-absolute": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
@@ -2213,6 +3637,15 @@
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       "dev": true
     },
+    "pause-stream": {
+      "version": "0.0.11",
+      "resolved": "https://registry.npmjs.org/pause-stream/-/pause-stream-0.0.11.tgz",
+      "integrity": "sha1-/lo0sMvOErWqaitAPuLnO2AvFEU=",
+      "dev": true,
+      "requires": {
+        "through": "2.3.8"
+      }
+    },
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       "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
@@ -2270,6 +3703,12 @@
       "integrity": "sha1-4mDHj2Fhzdmw5WzD4Khd4Xx6V74=",
       "dev": true
     },
+    "proxy-middleware": {
+      "version": "0.15.0",
+      "resolved": "https://registry.npmjs.org/proxy-middleware/-/proxy-middleware-0.15.0.tgz",
+      "integrity": "sha1-o/3xvvtzD5UZZYcqwvYHTGFHelY=",
+      "dev": true
+    },
     "randomatic": {
       "version": "1.1.6",
       "resolved": "https://registry.npmjs.org/randomatic/-/randomatic-1.1.6.tgz",
@@ -2280,6 +3719,12 @@
         "kind-of": "3.2.2"
       }
     },
+    "range-parser": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.0.tgz",
+      "integrity": "sha1-9JvmtIeJTdxA3MlKMi9hEJLgDV4=",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
@@ -2292,6 +3737,71 @@
         "string_decoder": "0.10.31"
       }
     },
+    "readdirp": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-2.1.0.tgz",
+      "integrity": "sha1-TtCtBg3zBzMAxIRANz9y0cxkLXg=",
+      "dev": true,
+      "requires": {
+        "graceful-fs": "4.1.11",
+        "minimatch": "3.0.4",
+        "readable-stream": "2.3.3",
+        "set-immediate-shim": "1.0.1"
+      },
+      "dependencies": {
+        "graceful-fs": {
+          "version": "4.1.11",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.1.11.tgz",
+          "integrity": "sha1-Dovf5NHduIVNZOBOp8AOKgJuVlg=",
+          "dev": true
+        },
+        "isarray": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
+          "dev": true
+        },
+        "minimatch": {
+          "version": "3.0.4",
+          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
+          "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+          "dev": true,
+          "requires": {
+            "brace-expansion": "1.1.7"
+          }
+        },
+        "readable-stream": {
+          "version": "2.3.3",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.3.tgz",
+          "integrity": "sha512-m+qzzcn7KUxEmd1gMbchF+Y2eIUbieUaxkWtptyHywrX0rE8QEYqPC07Vuy4Wm32/xE16NcdBctb8S0Xe/5IeQ==",
+          "dev": true,
+          "requires": {
+            "core-util-is": "1.0.2",
+            "inherits": "2.0.3",
+            "isarray": "1.0.0",
+            "process-nextick-args": "1.0.7",
+            "safe-buffer": "5.1.1",
+            "string_decoder": "1.0.3",
+            "util-deprecate": "1.0.2"
+          }
+        },
+        "safe-buffer": {
+          "version": "5.1.1",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
+          "integrity": "sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg==",
+          "dev": true
+        },
+        "string_decoder": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
+          "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+          "dev": true,
+          "requires": {
+            "safe-buffer": "5.1.1"
+          }
+        }
+      }
+    },
     "readline2": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/readline2/-/readline2-1.0.1.tgz",
@@ -2470,12 +3980,82 @@
       "integrity": "sha1-MAvG4OhjdPe6YQaLWx7NV/xlMto=",
       "dev": true
     },
+    "send": {
+      "version": "0.16.1",
+      "resolved": "https://registry.npmjs.org/send/-/send-0.16.1.tgz",
+      "integrity": "sha512-ElCLJdJIKPk6ux/Hocwhk7NFHpI3pVm/IZOYWqUmoxcgeyM+MpxHHKhb8QmlJDX1pU6WrgaHBkVNm73Sv7uc2A==",
+      "dev": true,
+      "requires": {
+        "debug": "2.6.9",
+        "depd": "1.1.1",
+        "destroy": "1.0.4",
+        "encodeurl": "1.0.1",
+        "escape-html": "1.0.3",
+        "etag": "1.8.1",
+        "fresh": "0.5.2",
+        "http-errors": "1.6.2",
+        "mime": "1.4.1",
+        "ms": "2.0.0",
+        "on-finished": "2.3.0",
+        "range-parser": "1.2.0",
+        "statuses": "1.3.1"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "2.6.9",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+          "dev": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
+        }
+      }
+    },
     "sequencify": {
       "version": "0.0.7",
       "resolved": "https://registry.npmjs.org/sequencify/-/sequencify-0.0.7.tgz",
       "integrity": "sha1-kM/xnQLgcCf9dn9erT57ldHnOAw=",
       "dev": true
     },
+    "serve-index": {
+      "version": "1.9.1",
+      "resolved": "https://registry.npmjs.org/serve-index/-/serve-index-1.9.1.tgz",
+      "integrity": "sha1-03aNabHn2C5c4FD/9bRTvqEqkjk=",
+      "dev": true,
+      "requires": {
+        "accepts": "1.3.4",
+        "batch": "0.6.1",
+        "debug": "2.6.9",
+        "escape-html": "1.0.3",
+        "http-errors": "1.6.2",
+        "mime-types": "2.1.17",
+        "parseurl": "1.3.2"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "2.6.9",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+          "dev": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
+        }
+      }
+    },
+    "set-immediate-shim": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/set-immediate-shim/-/set-immediate-shim-1.0.1.tgz",
+      "integrity": "sha1-SysbJ+uAip+NzEgaWOXlb1mfP2E=",
+      "dev": true
+    },
+    "setprototypeof": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.0.3.tgz",
+      "integrity": "sha1-ZlZ+NwQ+608E2RvWWMDL77VbjgQ=",
+      "dev": true
+    },
     "shelljs": {
       "version": "0.7.7",
       "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.7.7.tgz",
@@ -2530,12 +4110,36 @@
       "integrity": "sha1-Gsu/tZJDbRC76PeFt8xvgoFQEsM=",
       "dev": true
     },
+    "split": {
+      "version": "0.3.3",
+      "resolved": "https://registry.npmjs.org/split/-/split-0.3.3.tgz",
+      "integrity": "sha1-zQ7qXmOiEd//frDwkcQTPi0N0o8=",
+      "dev": true,
+      "requires": {
+        "through": "2.3.8"
+      }
+    },
     "sprintf-js": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
       "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
       "dev": true
     },
+    "statuses": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.3.1.tgz",
+      "integrity": "sha1-+vUbnrdKrvOzrPStX2Gr8ky3uT4=",
+      "dev": true
+    },
+    "stream-combiner": {
+      "version": "0.0.4",
+      "resolved": "https://registry.npmjs.org/stream-combiner/-/stream-combiner-0.0.4.tgz",
+      "integrity": "sha1-TV5DPBhSYd3mI8o/RMWGvPXErRQ=",
+      "dev": true,
+      "requires": {
+        "duplexer": "0.1.1"
+      }
+    },
     "stream-consume": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/stream-consume/-/stream-consume-0.1.0.tgz",
@@ -2745,6 +4349,24 @@
       "integrity": "sha1-1ZpKdUJ0R9mqbJHnAmP40mpLEEs=",
       "dev": true
     },
+    "universalify": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.1.tgz",
+      "integrity": "sha1-+nG63UQ3r0wUiEHjs7Fl+enlkLc=",
+      "dev": true
+    },
+    "unix-crypt-td-js": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/unix-crypt-td-js/-/unix-crypt-td-js-1.0.0.tgz",
+      "integrity": "sha1-HAgkFQSBvHoB1J6Y8exmjYJBLzs=",
+      "dev": true
+    },
+    "unpipe": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
+      "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=",
+      "dev": true
+    },
     "user-home": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/user-home/-/user-home-1.1.1.tgz",
@@ -2757,6 +4379,18 @@
       "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
       "dev": true
     },
+    "utils-merge": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.0.tgz",
+      "integrity": "sha1-ApT7kiu5N1FTVBxPcJYjHyh8ivg=",
+      "dev": true
+    },
+    "uuid": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.1.0.tgz",
+      "integrity": "sha512-DIWtzUkw04M4k3bf1IcpS2tngXEL26YUD2M0tMDUpnUrz2hgzUBlD55a4FjdLGPvfHxS6uluGWvaVEqgBcVa+g==",
+      "dev": true
+    },
     "v8flags": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/v8flags/-/v8flags-2.1.1.tgz",
@@ -2766,6 +4400,12 @@
         "user-home": "1.1.1"
       }
     },
+    "vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=",
+      "dev": true
+    },
     "vinyl": {
       "version": "0.5.3",
       "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-0.5.3.tgz",
@@ -2833,6 +4473,22 @@
         }
       }
     },
+    "websocket-driver": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/websocket-driver/-/websocket-driver-0.7.0.tgz",
+      "integrity": "sha1-DK+dLXVdk67gSdS90NP+LMoqJOs=",
+      "dev": true,
+      "requires": {
+        "http-parser-js": "0.4.9",
+        "websocket-extensions": "0.1.3"
+      }
+    },
+    "websocket-extensions": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.3.tgz",
+      "integrity": "sha512-nqHUnMXmBzT0w570r2JpJxfiSD1IzoI+HGVdd3aZ0yNi3ngvQ4jv1dtHt5VGxfI2yj5yqImPhOK4vmIh2xMbGg==",
+      "dev": true
+    },
     "which": {
       "version": "1.2.14",
       "resolved": "https://registry.npmjs.org/which/-/which-1.2.14.tgz",

From b02c0b2b7b76b7cbc2d4b481baae9513e45fcc13 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Mon, 1 Jan 2018 18:07:56 +0200
Subject: [PATCH 285/337] docs: fix readme

---
 readme.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/readme.md b/readme.md
index f24c4899..a30fcd85 100644
--- a/readme.md
+++ b/readme.md
@@ -20,14 +20,14 @@ npm install
 **To setup repository with documentation**
 
 ```bash
-npm run:doc
+npm run doc
 ```
 
 This will build the documentation and open it in your browser.
 
 **To update .html files with documentation**
 
-Just run `npm run:doc` again.
+Just run `npm run doc` again.
 
 **To run tests**
 

From 7393fd2e3aa24ac9d3811c9461e43b2bea734f48 Mon Sep 17 00:00:00 2001
From: Borislav Borisov <borislavborisov22@abv.bg>
Date: Wed, 3 Jan 2018 14:50:55 +0200
Subject: [PATCH 286/337] Fixed _existsInSubtree comparison of nodes' values
 bug.

---
 src/data-structures/binary-search-tree.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/data-structures/binary-search-tree.js b/src/data-structures/binary-search-tree.js
index 234cfd81..cf059a27 100644
--- a/src/data-structures/binary-search-tree.js
+++ b/src/data-structures/binary-search-tree.js
@@ -455,7 +455,7 @@
     if (!root) {
       return false;
     }
-    if (node === root.value) {
+    if (node.value === root.value) {
       return true;
     }
     return this._existsInSubtree(node, root._left) ||

From 45de167bc08c78f2f0cbc74b434ce6073ef6586f Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 13 Jan 2018 22:10:41 +0200
Subject: [PATCH 287/337] docs: update the list of contributors

---
 readme.md | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/readme.md b/readme.md
index a30fcd85..53f622bb 100644
--- a/readme.md
+++ b/readme.md
@@ -65,25 +65,25 @@ create a pull request.
 
 ## Contributors
 
-| [<img alt="mgechev" src="https://avatars1.githubusercontent.com/u/455023?v=4&s=117" width="117">](https://github.com/mgechev) | [<img alt="AndriiHeonia" src="https://avatars1.githubusercontent.com/u/773648?v=4&s=117" width="117">](https://github.com/AndriiHeonia) | [<img alt="Jakehp" src="https://avatars1.githubusercontent.com/u/1854569?v=4&s=117" width="117">](https://github.com/Jakehp) | [<img alt="lygstate" src="https://avatars3.githubusercontent.com/u/121040?v=4&s=117" width="117">](https://github.com/lygstate) | [<img alt="mik-laj" src="https://avatars1.githubusercontent.com/u/12058428?v=4&s=117" width="117">](https://github.com/mik-laj) | [<img alt="krzysztof-grzybek" src="https://avatars0.githubusercontent.com/u/6236664?v=4&s=117" width="117">](https://github.com/krzysztof-grzybek) |
-| :---------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------------------: |
-|                                             [mgechev](https://github.com/mgechev)                                             |                                             [AndriiHeonia](https://github.com/AndriiHeonia)                                             |                                             [Jakehp](https://github.com/Jakehp)                                              |                                             [lygstate](https://github.com/lygstate)                                             |                                              [mik-laj](https://github.com/mik-laj)                                              |                                             [krzysztof-grzybek](https://github.com/krzysztof-grzybek)                                              |
+| [<img alt="mgechev" src="https://avatars1.githubusercontent.com/u/455023?v=4&s=117" width="117">](https://github.com/mgechev) | [<img alt="AndriiHeonia" src="https://avatars1.githubusercontent.com/u/773648?v=4&s=117" width="117">](https://github.com/AndriiHeonia) | [<img alt="Jakehp" src="https://avatars1.githubusercontent.com/u/1854569?v=4&s=117" width="117">](https://github.com/Jakehp) | [<img alt="lygstate" src="https://avatars3.githubusercontent.com/u/121040?v=4&s=117" width="117">](https://github.com/lygstate) | [<img alt="mik-laj" src="https://avatars1.githubusercontent.com/u/12058428?v=4&s=117" width="117">](https://github.com/mik-laj) | [<img alt="jeremyckahn" src="https://avatars2.githubusercontent.com/u/366330?v=4&s=117" width="117">](https://github.com/jeremyckahn) |
+| :---------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------------: |
+|                                             [mgechev](https://github.com/mgechev)                                             |                                             [AndriiHeonia](https://github.com/AndriiHeonia)                                             |                                             [Jakehp](https://github.com/Jakehp)                                              |                                             [lygstate](https://github.com/lygstate)                                             |                                              [mik-laj](https://github.com/mik-laj)                                              |                                             [jeremyckahn](https://github.com/jeremyckahn)                                             |
 
-| [<img alt="pvoznenko" src="https://avatars3.githubusercontent.com/u/1098414?v=4&s=117" width="117">](https://github.com/pvoznenko) | [<img alt="jettcalleja" src="https://avatars0.githubusercontent.com/u/6356258?v=4&s=117" width="117">](https://github.com/jettcalleja) | [<img alt="kdamball" src="https://avatars3.githubusercontent.com/u/3318312?v=4&s=117" width="117">](https://github.com/kdamball) | [<img alt="lekkas" src="https://avatars3.githubusercontent.com/u/5211478?v=4&s=117" width="117">](https://github.com/lekkas) | [<img alt="infusion" src="https://avatars3.githubusercontent.com/u/197742?v=4&s=117" width="117">](https://github.com/infusion) | [<img alt="deniskyashif" src="https://avatars2.githubusercontent.com/u/5999271?v=4&s=117" width="117">](https://github.com/deniskyashif) |
-| :--------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------------------: |
-|                                             [pvoznenko](https://github.com/pvoznenko)                                              |                                             [jettcalleja](https://github.com/jettcalleja)                                              |                                             [kdamball](https://github.com/kdamball)                                              |                                             [lekkas](https://github.com/lekkas)                                              |                                             [infusion](https://github.com/infusion)                                             |                                             [deniskyashif](https://github.com/deniskyashif)                                              |
+| [<img alt="krzysztof-grzybek" src="https://avatars0.githubusercontent.com/u/6236664?v=4&s=117" width="117">](https://github.com/krzysztof-grzybek) | [<img alt="pvoznenko" src="https://avatars3.githubusercontent.com/u/1098414?v=4&s=117" width="117">](https://github.com/pvoznenko) | [<img alt="jettcalleja" src="https://avatars0.githubusercontent.com/u/6356258?v=4&s=117" width="117">](https://github.com/jettcalleja) | [<img alt="kdamball" src="https://avatars3.githubusercontent.com/u/3318312?v=4&s=117" width="117">](https://github.com/kdamball) | [<img alt="lekkas" src="https://avatars3.githubusercontent.com/u/5211478?v=4&s=117" width="117">](https://github.com/lekkas) | [<img alt="infusion" src="https://avatars3.githubusercontent.com/u/197742?v=4&s=117" width="117">](https://github.com/infusion) |
+| :------------------------------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: |
+|                                             [krzysztof-grzybek](https://github.com/krzysztof-grzybek)                                              |                                             [pvoznenko](https://github.com/pvoznenko)                                              |                                             [jettcalleja](https://github.com/jettcalleja)                                              |                                             [kdamball](https://github.com/kdamball)                                              |                                             [lekkas](https://github.com/lekkas)                                              |                                             [infusion](https://github.com/infusion)                                             |
 
-| [<img alt="filipefalcaos" src="https://avatars2.githubusercontent.com/u/9125631?v=4&s=117" width="117">](https://github.com/filipefalcaos) | [<img alt="designeng" src="https://avatars0.githubusercontent.com/u/2807469?v=4&s=117" width="117">](https://github.com/designeng) | [<img alt="Microfed" src="https://avatars1.githubusercontent.com/u/613179?v=4&s=117" width="117">](https://github.com/Microfed) | [<img alt="pkerpedjiev" src="https://avatars3.githubusercontent.com/u/2143629?v=4&s=117" width="117">](https://github.com/pkerpedjiev) | [<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) | [<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) |
-| :----------------------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :----------------------------------------------------------------------------------------------------------------------------------: |
-|                                             [filipefalcaos](https://github.com/filipefalcaos)                                              |                                             [designeng](https://github.com/designeng)                                              |                                             [Microfed](https://github.com/Microfed)                                             |                                             [pkerpedjiev](https://github.com/pkerpedjiev)                                              |                                             [Xuefeng-Zhu](https://github.com/Xuefeng-Zhu)                                              |                                             [alexjoverm](https://github.com/alexjoverm)                                              |
+| [<img alt="deniskyashif" src="https://avatars2.githubusercontent.com/u/5999271?v=4&s=117" width="117">](https://github.com/deniskyashif) | [<img alt="filipefalcaos" src="https://avatars2.githubusercontent.com/u/9125631?v=4&s=117" width="117">](https://github.com/filipefalcaos) | [<img alt="designeng" src="https://avatars0.githubusercontent.com/u/2807469?v=4&s=117" width="117">](https://github.com/designeng) | [<img alt="Microfed" src="https://avatars1.githubusercontent.com/u/613179?v=4&s=117" width="117">](https://github.com/Microfed) | [<img alt="pkerpedjiev" src="https://avatars3.githubusercontent.com/u/2143629?v=4&s=117" width="117">](https://github.com/pkerpedjiev) | [<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) |
+| :--------------------------------------------------------------------------------------------------------------------------------------: | :----------------------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: |
+|                                             [deniskyashif](https://github.com/deniskyashif)                                              |                                             [filipefalcaos](https://github.com/filipefalcaos)                                              |                                             [designeng](https://github.com/designeng)                                              |                                             [Microfed](https://github.com/Microfed)                                             |                                             [pkerpedjiev](https://github.com/pkerpedjiev)                                              |                                             [Xuefeng-Zhu](https://github.com/Xuefeng-Zhu)                                              |
 
-| [<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) | [<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) | [<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) | [<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) | [<img alt="maurobringolf" src="https://avatars0.githubusercontent.com/u/18613301?v=4&s=117" width="117">](https://github.com/maurobringolf) | [<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) |
-| :--------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------------: |
-|                                             [amilajack](https://github.com/amilajack)                                              |                                             [ysharplanguage](https://github.com/ysharplanguage)                                              |                                             [contra](https://github.com/contra)                                             |                                             [liesislukas](https://github.com/liesislukas)                                              |                                              [maurobringolf](https://github.com/maurobringolf)                                              |                                              [millerrach](https://github.com/millerrach)                                              |
+| [<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) | [<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) | [<img alt="BorislavBorisov22" src="https://avatars2.githubusercontent.com/u/20156662?v=4&s=117" width="117">](https://github.com/BorislavBorisov22) | [<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) | [<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) | [<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) |
+| :------------------------------------------------------------------------------------------------------------------------------------: | :----------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------------: |
+|                                             [liesislukas](https://github.com/liesislukas)                                              |                                             [alexjoverm](https://github.com/alexjoverm)                                              |                                              [BorislavBorisov22](https://github.com/BorislavBorisov22)                                              |                                             [ysharplanguage](https://github.com/ysharplanguage)                                              |                                             [contra](https://github.com/contra)                                             |                                             [amilajack](https://github.com/amilajack)                                              |
 
-| [<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) | [<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |
-| :-------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: |
-|                                             [fanixk](https://github.com/fanixk)                                             |                                             [shaunak1111](https://github.com/shaunak1111)                                              |
+| [<img alt="maurobringolf" src="https://avatars0.githubusercontent.com/u/18613301?v=4&s=117" width="117">](https://github.com/maurobringolf) | [<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) | [<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) | [<img alt="miyes" src="https://avatars1.githubusercontent.com/u/6756730?v=4&s=117" width="117">](https://github.com/miyes) | [<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |
+| :-----------------------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: |
+|                                              [maurobringolf](https://github.com/maurobringolf)                                              |                                              [millerrach](https://github.com/millerrach)                                              |                                             [fanixk](https://github.com/fanixk)                                             |                                             [miyes](https://github.com/miyes)                                              |                                             [shaunak1111](https://github.com/shaunak1111)                                              |
 
 ## License
 

From 1c828f2ab15a685d1a41c31ddc3b1a31acec75e1 Mon Sep 17 00:00:00 2001
From: emyarod <afw5059@gmail.com>
Date: Tue, 27 Feb 2018 10:16:52 -0500
Subject: [PATCH 288/337] Add O(n) maximum subarray test

---
 test/searching/maximum-subarray.spec.js | 29 +++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 test/searching/maximum-subarray.spec.js

diff --git a/test/searching/maximum-subarray.spec.js b/test/searching/maximum-subarray.spec.js
new file mode 100644
index 00000000..66daa8c7
--- /dev/null
+++ b/test/searching/maximum-subarray.spec.js
@@ -0,0 +1,29 @@
+var maxSubArray = require('../../src/searching/maximum-subarray').maxSubarray;
+
+describe('Maximum subarray', function() {
+  'use strict';
+
+  it('should work with empty arrays', function() {
+    expect(maxSubArray([])).toBeUndefined();
+  });
+
+  it('should return the only element when an array with single element is passed', function() {
+    expect(maxSubArray([42])).toBe(42);
+  });
+
+  it('should return the only negative element when an array with single element is passed', function() {
+    expect(maxSubArray([-42])).toBe(-42);
+  });
+
+  it('should return the zero when an array with single element, which is zero is passed', function() {
+    expect(maxSubArray([0])).toBe(0);
+  });
+
+  it('should return the max sum of a subarray', function() {
+    expect(maxSubArray([1, -1, 2, 3, -1])).toBe(5);
+  });
+
+  it('should return the max negative number when array with negative numbers is provided', function() {
+    expect(maxSubArray([-10, -1, -2, -3, -1])).toBe(-1);
+  });
+});

From 1fe106d531b442d06777faee9c2cd98d7b6e3247 Mon Sep 17 00:00:00 2001
From: emyarod <afw5059@gmail.com>
Date: Tue, 27 Feb 2018 10:17:06 -0500
Subject: [PATCH 289/337] Fix O(n) maximum subarray solution

---
 src/searching/maximum-subarray.js | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/searching/maximum-subarray.js b/src/searching/maximum-subarray.js
index 4628369e..85ae9d11 100644
--- a/src/searching/maximum-subarray.js
+++ b/src/searching/maximum-subarray.js
@@ -20,11 +20,10 @@
    * @return {Number} Maximum sum of the elements of a subarray.
    */
   function maxSubarray(array) {
-    var currentMax = 0;
-    var max = 0;
-
-    for (var i = 0; i < array.length; i += 1) {
-      currentMax = Math.max(0, currentMax + array[i]);
+    var currentMax = array[0];
+    var max = array[0];
+    for (var i = 1; i < array.length; i += 1) {
+      currentMax = Math.max(array[i], currentMax + array[i]);
       max = Math.max(max, currentMax);
     }
     return max;

From 5c06a4386a9fad9cc5a7d7a1d4597aa27b0ce53f Mon Sep 17 00:00:00 2001
From: Bruno Simas Hadlich <brunosimashadlich@gmail.com>
Date: Sat, 17 Mar 2018 22:30:55 -0300
Subject: [PATCH 290/337] Added Sieve Of Atkins implementation.

---
 src/primes/sieve-of-atkins.js       | 87 +++++++++++++++++++++++++++++
 test/primes/sieve-of-atkins.spec.js | 26 +++++++++
 2 files changed, 113 insertions(+)
 create mode 100644 src/primes/sieve-of-atkins.js
 create mode 100644 test/primes/sieve-of-atkins.spec.js

diff --git a/src/primes/sieve-of-atkins.js b/src/primes/sieve-of-atkins.js
new file mode 100644
index 00000000..1f75cfd3
--- /dev/null
+++ b/src/primes/sieve-of-atkins.js
@@ -0,0 +1,87 @@
+(function (exports) {
+  'use strict';
+
+  /**
+   * Sieve of Atkins.
+   *
+   * Modern algorithm for finding all prime numbers up to a specified integer.
+   *
+   * Returns list of primes up to specified limit.
+   *
+   * For example, for limit 10 it should return following list of primes:
+   * [2, 3, 5, 7].
+   *
+   * @module primes/sieve-of-atkins
+   * @param {Number} limit - Algorithm will returns list of primes up to
+   * specified limit.
+   * @returns {Array} Will return list with all prime numbers up to provided.
+   * limit.
+   *
+   * @example
+   * var sieveOfAtkins =
+   * require('path-to-algorithms/src/sieve-of-atkins').sieveOfAtkins;
+   *
+   * console.log(sieveOfAtkins(12)); // [2, 3, 5, 7, 11]
+   */
+  exports.sieveOfAtkins = function (limit) {
+    if (limit <= 1) {
+      return [];
+    }
+
+    const sieve = Array(limit + 1);
+
+    const testingLimit = Math.ceil(Math.sqrt(limit));
+
+    var i;
+    var j;
+    var n;
+
+    for (i = 1; i < testingLimit; i += 1) {
+      var ii = i * i;
+      for (j = 1; j < testingLimit; j += 1) {
+        var jj = j * j;
+        if (ii + jj >= limit) {
+	  break;
+        }
+
+        n = 4 * ii + jj;
+        if (n <= limit && (n % 12 === 1 || n % 12 === 5)) {
+          sieve[n] = !sieve[n];
+        }
+
+        n = 3 * ii + jj;
+        if (n <= limit && (n % 12 === 7)) {
+          sieve[n] = !sieve[n];
+        }
+
+        n = 3 * ii - jj;
+        if (i > j && n <= limit && (n % 12 === 11)) {
+          sieve[n] = !sieve[n];
+        }
+      }
+    }
+
+    for (n = 5; n <= testingLimit; n += 1) {
+      if (sieve[n]) {
+        j = n * n;
+        for (i = j; i <= limit; i += j) {
+          sieve[i] = false;
+        }
+      }
+    }
+
+    const primes = [2];
+
+    if (limit > 2) {
+      primes.push(3);
+    }
+
+    sieve.forEach(function (value, key) {
+      if (value) {
+        this.push(key);
+      }
+    }, primes);
+
+    return primes;
+  }
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/test/primes/sieve-of-atkins.spec.js b/test/primes/sieve-of-atkins.spec.js
new file mode 100644
index 00000000..c371d915
--- /dev/null
+++ b/test/primes/sieve-of-atkins.spec.js
@@ -0,0 +1,26 @@
+var sieveOfAtkins =
+  require('../../src/primes/sieve-of-atkins').sieveOfAtkins;
+
+describe('Sieve Of Atkins', function () {
+  'use strict';
+
+  it('should give the right sequence of primes for limit 12', function () {
+    expect(sieveOfAtkins(12).toString())
+      .toEqual([2, 3, 5, 7, 11].toString());
+  });
+
+  it('should give the empty list for limit less or equal 1', function () {
+    expect(sieveOfAtkins(-12).toString()).toEqual([].toString());
+    expect(sieveOfAtkins(0).toString()).toEqual([].toString());
+    expect(sieveOfAtkins(1).toString()).toEqual([].toString());
+  });
+
+  it('sum of prime numbers up to 2000000 limit should be 142913828922', function () {
+    var sieve = sieveOfAtkins(2000000);
+    var sumOfPrimes = sieve.reduce(function (previousValue, currentValue) {
+      return previousValue + currentValue;
+    });
+
+    expect(sumOfPrimes).toEqual(142913828922);
+  });
+});

From 8912c62288a4b685ef45ec24f51efda0cc134c8f Mon Sep 17 00:00:00 2001
From: Clint Ayres <clinton.ayres@gmail.com>
Date: Thu, 10 May 2018 21:58:16 -0400
Subject: [PATCH 291/337] minor typo

---
 src/data-structures/hash-table.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/data-structures/hash-table.js b/src/data-structures/hash-table.js
index 079845d7..1635e484 100644
--- a/src/data-structures/hash-table.js
+++ b/src/data-structures/hash-table.js
@@ -55,7 +55,7 @@
 
   /**
    * Simple non-crypto hash used to hash keys, which determines
-   * while bucket the value will be placed in.
+   * which bucket the value will be placed in.
    * A javascript implementation of Java's 32bitint hash.
    *
    * @public

From ba6eec4db534276f5d282f38e2a982b86d2a1187 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Fri, 11 May 2018 10:54:38 -0700
Subject: [PATCH 292/337] docs: update the contributors list

---
 readme.md | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/readme.md b/readme.md
index 53f622bb..c4e46837 100644
--- a/readme.md
+++ b/readme.md
@@ -77,13 +77,17 @@ create a pull request.
 | :--------------------------------------------------------------------------------------------------------------------------------------: | :----------------------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: |
 |                                             [deniskyashif](https://github.com/deniskyashif)                                              |                                             [filipefalcaos](https://github.com/filipefalcaos)                                              |                                             [designeng](https://github.com/designeng)                                              |                                             [Microfed](https://github.com/Microfed)                                             |                                             [pkerpedjiev](https://github.com/pkerpedjiev)                                              |                                             [Xuefeng-Zhu](https://github.com/Xuefeng-Zhu)                                              |
 
-| [<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) | [<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) | [<img alt="BorislavBorisov22" src="https://avatars2.githubusercontent.com/u/20156662?v=4&s=117" width="117">](https://github.com/BorislavBorisov22) | [<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) | [<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) | [<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) |
-| :------------------------------------------------------------------------------------------------------------------------------------: | :----------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------------: |
-|                                             [liesislukas](https://github.com/liesislukas)                                              |                                             [alexjoverm](https://github.com/alexjoverm)                                              |                                              [BorislavBorisov22](https://github.com/BorislavBorisov22)                                              |                                             [ysharplanguage](https://github.com/ysharplanguage)                                              |                                             [contra](https://github.com/contra)                                             |                                             [amilajack](https://github.com/amilajack)                                              |
+| [<img alt="emyarod" src="https://avatars3.githubusercontent.com/u/8265238?v=4&s=117" width="117">](https://github.com/emyarod) | [<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) | [<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) | [<img alt="BorislavBorisov22" src="https://avatars2.githubusercontent.com/u/20156662?v=4&s=117" width="117">](https://github.com/BorislavBorisov22) | [<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) | [<img alt="jurassix" src="https://avatars3.githubusercontent.com/u/1869117?v=4&s=117" width="117">](https://github.com/jurassix) |
+| :----------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :----------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------: |
+|                                             [emyarod](https://github.com/emyarod)                                              |                                             [liesislukas](https://github.com/liesislukas)                                              |                                             [alexjoverm](https://github.com/alexjoverm)                                              |                                              [BorislavBorisov22](https://github.com/BorislavBorisov22)                                              |                                             [ysharplanguage](https://github.com/ysharplanguage)                                              |                                             [jurassix](https://github.com/jurassix)                                              |
 
-| [<img alt="maurobringolf" src="https://avatars0.githubusercontent.com/u/18613301?v=4&s=117" width="117">](https://github.com/maurobringolf) | [<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) | [<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) | [<img alt="miyes" src="https://avatars1.githubusercontent.com/u/6756730?v=4&s=117" width="117">](https://github.com/miyes) | [<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |
-| :-----------------------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: |
-|                                              [maurobringolf](https://github.com/maurobringolf)                                              |                                              [millerrach](https://github.com/millerrach)                                              |                                             [fanixk](https://github.com/fanixk)                                             |                                             [miyes](https://github.com/miyes)                                              |                                             [shaunak1111](https://github.com/shaunak1111)                                              |
+| [<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) | [<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) | [<img alt="maurobringolf" src="https://avatars0.githubusercontent.com/u/18613301?v=4&s=117" width="117">](https://github.com/maurobringolf) | [<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) | [<img alt="xiedezhuo" src="https://avatars3.githubusercontent.com/u/39017209?v=4&s=117" width="117">](https://github.com/xiedezhuo) | [<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) |
+| :-------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------------: | :---------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------: |
+|                                             [contra](https://github.com/contra)                                             |                                             [amilajack](https://github.com/amilajack)                                              |                                              [maurobringolf](https://github.com/maurobringolf)                                              |                                              [millerrach](https://github.com/millerrach)                                              |                                              [xiedezhuo](https://github.com/xiedezhuo)                                              |                                             [fanixk](https://github.com/fanixk)                                             |
+
+| [<img alt="miyes" src="https://avatars1.githubusercontent.com/u/6756730?v=4&s=117" width="117">](https://github.com/miyes) | [<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |
+| :------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: |
+|                                             [miyes](https://github.com/miyes)                                              |                                             [shaunak1111](https://github.com/shaunak1111)                                              |
 
 ## License
 

From 44267862f3682eb3912dbf3e83c6329cdce41750 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Wed, 26 Sep 2018 17:07:47 -0700
Subject: [PATCH 293/337] docs: update the list of contributors

---
 readme.md | 36 ++++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/readme.md b/readme.md
index c4e46837..ee4eab93 100644
--- a/readme.md
+++ b/readme.md
@@ -65,29 +65,29 @@ create a pull request.
 
 ## Contributors
 
-| [<img alt="mgechev" src="https://avatars1.githubusercontent.com/u/455023?v=4&s=117" width="117">](https://github.com/mgechev) | [<img alt="AndriiHeonia" src="https://avatars1.githubusercontent.com/u/773648?v=4&s=117" width="117">](https://github.com/AndriiHeonia) | [<img alt="Jakehp" src="https://avatars1.githubusercontent.com/u/1854569?v=4&s=117" width="117">](https://github.com/Jakehp) | [<img alt="lygstate" src="https://avatars3.githubusercontent.com/u/121040?v=4&s=117" width="117">](https://github.com/lygstate) | [<img alt="mik-laj" src="https://avatars1.githubusercontent.com/u/12058428?v=4&s=117" width="117">](https://github.com/mik-laj) | [<img alt="jeremyckahn" src="https://avatars2.githubusercontent.com/u/366330?v=4&s=117" width="117">](https://github.com/jeremyckahn) |
-| :---------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------------: |
-|                                             [mgechev](https://github.com/mgechev)                                             |                                             [AndriiHeonia](https://github.com/AndriiHeonia)                                             |                                             [Jakehp](https://github.com/Jakehp)                                              |                                             [lygstate](https://github.com/lygstate)                                             |                                              [mik-laj](https://github.com/mik-laj)                                              |                                             [jeremyckahn](https://github.com/jeremyckahn)                                             |
+[<img alt="mgechev" src="https://avatars1.githubusercontent.com/u/455023?v=4&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars1.githubusercontent.com/u/773648?v=4&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars1.githubusercontent.com/u/1854569?v=4&s=117" width="117">](https://github.com/Jakehp) |[<img alt="lygstate" src="https://avatars3.githubusercontent.com/u/121040?v=4&s=117" width="117">](https://github.com/lygstate) |[<img alt="mik-laj" src="https://avatars1.githubusercontent.com/u/12058428?v=4&s=117" width="117">](https://github.com/mik-laj) |[<img alt="jeremyckahn" src="https://avatars2.githubusercontent.com/u/366330?v=4&s=117" width="117">](https://github.com/jeremyckahn) |
+:---: |:---: |:---: |:---: |:---: |:---: |
+[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[lygstate](https://github.com/lygstate) |[mik-laj](https://github.com/mik-laj) |[jeremyckahn](https://github.com/jeremyckahn) |
 
-| [<img alt="krzysztof-grzybek" src="https://avatars0.githubusercontent.com/u/6236664?v=4&s=117" width="117">](https://github.com/krzysztof-grzybek) | [<img alt="pvoznenko" src="https://avatars3.githubusercontent.com/u/1098414?v=4&s=117" width="117">](https://github.com/pvoznenko) | [<img alt="jettcalleja" src="https://avatars0.githubusercontent.com/u/6356258?v=4&s=117" width="117">](https://github.com/jettcalleja) | [<img alt="kdamball" src="https://avatars3.githubusercontent.com/u/3318312?v=4&s=117" width="117">](https://github.com/kdamball) | [<img alt="lekkas" src="https://avatars3.githubusercontent.com/u/5211478?v=4&s=117" width="117">](https://github.com/lekkas) | [<img alt="infusion" src="https://avatars3.githubusercontent.com/u/197742?v=4&s=117" width="117">](https://github.com/infusion) |
-| :------------------------------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: |
-|                                             [krzysztof-grzybek](https://github.com/krzysztof-grzybek)                                              |                                             [pvoznenko](https://github.com/pvoznenko)                                              |                                             [jettcalleja](https://github.com/jettcalleja)                                              |                                             [kdamball](https://github.com/kdamball)                                              |                                             [lekkas](https://github.com/lekkas)                                              |                                             [infusion](https://github.com/infusion)                                             |
+[<img alt="krzysztof-grzybek" src="https://avatars0.githubusercontent.com/u/6236664?v=4&s=117" width="117">](https://github.com/krzysztof-grzybek) |[<img alt="pvoznenko" src="https://avatars3.githubusercontent.com/u/1098414?v=4&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="jettcalleja" src="https://avatars0.githubusercontent.com/u/6356258?v=4&s=117" width="117">](https://github.com/jettcalleja) |[<img alt="kdamball" src="https://avatars3.githubusercontent.com/u/3318312?v=4&s=117" width="117">](https://github.com/kdamball) |[<img alt="lekkas" src="https://avatars3.githubusercontent.com/u/5211478?v=4&s=117" width="117">](https://github.com/lekkas) |[<img alt="infusion" src="https://avatars3.githubusercontent.com/u/197742?v=4&s=117" width="117">](https://github.com/infusion) |
+:---: |:---: |:---: |:---: |:---: |:---: |
+[krzysztof-grzybek](https://github.com/krzysztof-grzybek) |[pvoznenko](https://github.com/pvoznenko) |[jettcalleja](https://github.com/jettcalleja) |[kdamball](https://github.com/kdamball) |[lekkas](https://github.com/lekkas) |[infusion](https://github.com/infusion) |
 
-| [<img alt="deniskyashif" src="https://avatars2.githubusercontent.com/u/5999271?v=4&s=117" width="117">](https://github.com/deniskyashif) | [<img alt="filipefalcaos" src="https://avatars2.githubusercontent.com/u/9125631?v=4&s=117" width="117">](https://github.com/filipefalcaos) | [<img alt="designeng" src="https://avatars0.githubusercontent.com/u/2807469?v=4&s=117" width="117">](https://github.com/designeng) | [<img alt="Microfed" src="https://avatars1.githubusercontent.com/u/613179?v=4&s=117" width="117">](https://github.com/Microfed) | [<img alt="pkerpedjiev" src="https://avatars3.githubusercontent.com/u/2143629?v=4&s=117" width="117">](https://github.com/pkerpedjiev) | [<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) |
-| :--------------------------------------------------------------------------------------------------------------------------------------: | :----------------------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: |
-|                                             [deniskyashif](https://github.com/deniskyashif)                                              |                                             [filipefalcaos](https://github.com/filipefalcaos)                                              |                                             [designeng](https://github.com/designeng)                                              |                                             [Microfed](https://github.com/Microfed)                                             |                                             [pkerpedjiev](https://github.com/pkerpedjiev)                                              |                                             [Xuefeng-Zhu](https://github.com/Xuefeng-Zhu)                                              |
+[<img alt="deniskyashif" src="https://avatars2.githubusercontent.com/u/5999271?v=4&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="filipefalcaos" src="https://avatars2.githubusercontent.com/u/9125631?v=4&s=117" width="117">](https://github.com/filipefalcaos) |[<img alt="designeng" src="https://avatars0.githubusercontent.com/u/2807469?v=4&s=117" width="117">](https://github.com/designeng) |[<img alt="Microfed" src="https://avatars1.githubusercontent.com/u/613179?v=4&s=117" width="117">](https://github.com/Microfed) |[<img alt="pkerpedjiev" src="https://avatars3.githubusercontent.com/u/2143629?v=4&s=117" width="117">](https://github.com/pkerpedjiev) |[<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) |
+:---: |:---: |:---: |:---: |:---: |:---: |
+[deniskyashif](https://github.com/deniskyashif) |[filipefalcaos](https://github.com/filipefalcaos) |[designeng](https://github.com/designeng) |[Microfed](https://github.com/Microfed) |[pkerpedjiev](https://github.com/pkerpedjiev) |[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |
 
-| [<img alt="emyarod" src="https://avatars3.githubusercontent.com/u/8265238?v=4&s=117" width="117">](https://github.com/emyarod) | [<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) | [<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) | [<img alt="BorislavBorisov22" src="https://avatars2.githubusercontent.com/u/20156662?v=4&s=117" width="117">](https://github.com/BorislavBorisov22) | [<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) | [<img alt="jurassix" src="https://avatars3.githubusercontent.com/u/1869117?v=4&s=117" width="117">](https://github.com/jurassix) |
-| :----------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: | :----------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------: |
-|                                             [emyarod](https://github.com/emyarod)                                              |                                             [liesislukas](https://github.com/liesislukas)                                              |                                             [alexjoverm](https://github.com/alexjoverm)                                              |                                              [BorislavBorisov22](https://github.com/BorislavBorisov22)                                              |                                             [ysharplanguage](https://github.com/ysharplanguage)                                              |                                             [jurassix](https://github.com/jurassix)                                              |
+[<img alt="emyarod" src="https://avatars3.githubusercontent.com/u/8265238?v=4&s=117" width="117">](https://github.com/emyarod) |[<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) |[<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) |[<img alt="BorislavBorisov22" src="https://avatars2.githubusercontent.com/u/20156662?v=4&s=117" width="117">](https://github.com/BorislavBorisov22) |[<img alt="brunohadlich" src="https://avatars2.githubusercontent.com/u/7043013?v=4&s=117" width="117">](https://github.com/brunohadlich) |[<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) |
+:---: |:---: |:---: |:---: |:---: |:---: |
+[emyarod](https://github.com/emyarod) |[contra](https://github.com/contra) |[alexjoverm](https://github.com/alexjoverm) |[BorislavBorisov22](https://github.com/BorislavBorisov22) |[brunohadlich](https://github.com/brunohadlich) |[ysharplanguage](https://github.com/ysharplanguage) |
 
-| [<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) | [<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) | [<img alt="maurobringolf" src="https://avatars0.githubusercontent.com/u/18613301?v=4&s=117" width="117">](https://github.com/maurobringolf) | [<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) | [<img alt="xiedezhuo" src="https://avatars3.githubusercontent.com/u/39017209?v=4&s=117" width="117">](https://github.com/xiedezhuo) | [<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) |
-| :-------------------------------------------------------------------------------------------------------------------------: | :--------------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------------------: | :-----------------------------------------------------------------------------------------------------------------------------------: | :---------------------------------------------------------------------------------------------------------------------------------: | :-------------------------------------------------------------------------------------------------------------------------: |
-|                                             [contra](https://github.com/contra)                                             |                                             [amilajack](https://github.com/amilajack)                                              |                                              [maurobringolf](https://github.com/maurobringolf)                                              |                                              [millerrach](https://github.com/millerrach)                                              |                                              [xiedezhuo](https://github.com/xiedezhuo)                                              |                                             [fanixk](https://github.com/fanixk)                                             |
+[<img alt="jurassix" src="https://avatars3.githubusercontent.com/u/1869117?v=4&s=117" width="117">](https://github.com/jurassix) |[<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) |[<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) |[<img alt="xiedezhuo" src="https://avatars3.githubusercontent.com/u/39017209?v=4&s=117" width="117">](https://github.com/xiedezhuo) |[<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) |
+:---: |:---: |:---: |:---: |:---: |:---: |
+[jurassix](https://github.com/jurassix) |[amilajack](https://github.com/amilajack) |[liesislukas](https://github.com/liesislukas) |[millerrach](https://github.com/millerrach) |[xiedezhuo](https://github.com/xiedezhuo) |[fanixk](https://github.com/fanixk) |
 
-| [<img alt="miyes" src="https://avatars1.githubusercontent.com/u/6756730?v=4&s=117" width="117">](https://github.com/miyes) | [<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |
-| :------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------------------: |
-|                                             [miyes](https://github.com/miyes)                                              |                                             [shaunak1111](https://github.com/shaunak1111)                                              |
+[<img alt="miyes" src="https://avatars1.githubusercontent.com/u/6756730?v=4&s=117" width="117">](https://github.com/miyes) |[<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |
+:---: |:---: |
+[miyes](https://github.com/miyes) |[shaunak1111](https://github.com/shaunak1111) |
 
 ## License
 

From 26bb4317b8efedfb917107a125b91a48acb94f87 Mon Sep 17 00:00:00 2001
From: Krzysztof Grzybek <krzysztof.grzybek89@gmail.com>
Date: Sun, 14 Oct 2018 21:30:03 +0200
Subject: [PATCH 294/337] update build and test scripts (#143)

---
 .travis.yml  | 4 +---
 package.json | 1 +
 readme.md    | 4 ++--
 3 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index e030331b..07d8aa30 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,4 @@
 language: node_js
 node_js:
   - "8"
-before_script:
-  - npm install -g gulp
-script: gulp build
+script: npm run build
diff --git a/package.json b/package.json
index 8836a1c4..5e9ea3f4 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
     "live-server": "^1.2.0"
   },
   "scripts": {
+    "build": "gulp build",
     "test": "gulp test",
     "deploy": "npm run doc:build && gh-pages -d dist -b gh-pages",
     "doc": "npm run doc:build && npm run doc:view",
diff --git a/readme.md b/readme.md
index ee4eab93..2a0122ff 100644
--- a/readme.md
+++ b/readme.md
@@ -34,7 +34,7 @@ Just run `npm run doc` again.
 Call:
 
 ```bash
-gulp test
+npm run test
 ```
 
 and all `*.spec.js` files will be executed.
@@ -57,7 +57,7 @@ Make sure you're editor makes validations according to the `.jshintrc` in the ro
 Before pushing to the repository run:
 
 ```bash
-gulp build
+npm run build
 ```
 
 If the build is not successful fix your code in order the tests and jshint validation to run successfully and after that

From cd4830fd99161b0edfcd6426863b85456bd136cb Mon Sep 17 00:00:00 2001
From: Bruno Simas Hadlich <brunosimashadlich@gmail.com>
Date: Tue, 11 Dec 2018 14:39:20 -0200
Subject: [PATCH 295/337] Added the Burrows-Wheeler algorithm. (#145)

* Added the Burrows-Wheeler algorithm.

* Added the Burrows-Wheeler algorithm.
---
 doc-config.json                               |  1 +
 .../burrows-wheeler/burrows-wheeler.js        | 84 +++++++++++++++++++
 .../burrows-wheeler/burrows-wheeler.spec.js   | 13 +++
 3 files changed, 98 insertions(+)
 create mode 100644 src/compression/burrows-wheeler/burrows-wheeler.js
 create mode 100644 test/compression/burrows-wheeler/burrows-wheeler.spec.js

diff --git a/doc-config.json b/doc-config.json
index ee4dedd3..520991a4 100644
--- a/doc-config.json
+++ b/doc-config.json
@@ -5,6 +5,7 @@
     "source": {
         "include": [
             "./src/combinatorics/",
+            "./src/compression/",
             "./src/data-structures/",
             "./src/graphics/",
             "./src/graphs/others/",
diff --git a/src/compression/burrows-wheeler/burrows-wheeler.js b/src/compression/burrows-wheeler/burrows-wheeler.js
new file mode 100644
index 00000000..f2f68e03
--- /dev/null
+++ b/src/compression/burrows-wheeler/burrows-wheeler.js
@@ -0,0 +1,84 @@
+(function (exports) {
+  'use strict';
+
+  /**
+   * Burrows Wheeler.
+   *
+   * This algorithm is commonly used as a step in the process of compressing data,
+   * it rearranges a character string into runs of similar characters making algorithms
+   * like move-to-front transform and run-length encoding reach higher compression
+   * rates. This implementation only supports characters with ascii code greater than $(36) as
+   * 36 is used at the process of encode and decode.
+   *
+   * @example
+   * const burrows = require('path-to-algorithms/src/burrows-wheeler/burrows-wheeler').burrowsWheeler;
+   * const s = 'ananabanana';
+   * const encodedStr = burrows.encode(s);
+   * console.log(encodedStr);
+   * const decodedStr = burrows.decode(encodedStr);
+   * console.log(decodedStr);
+   *
+   * @module compression/burrows-wheeler/burrows-wheeler
+   */
+  exports.burrowsWheeler = function() {
+
+  }
+
+  /**
+   * Consumes n^2 space.
+   */
+  exports.burrowsWheeler.encode = function(str) {
+    str = '$' + str;
+    var combinations = [];
+    for (let i = 0; i < str.length; i += 1) {
+      combinations.push(str.substring(i) + str.substring(0, i));
+    }
+    var sorted = combinations.sort();
+    var result = [];
+    for (let i = 0; i < sorted.length; i += 1) {
+      result.push(combinations[i][str.length - 1]);
+    }
+    return result.join('');
+  }
+
+  exports.burrowsWheeler.decode = function(encodedStr) {
+    const sortedCharSequence = encodedStr.split('').sort().join('');
+    const leftSide = {};
+    const rightSide = {};
+    var maxEachCharLeft = {};
+    var maxEachCharRight = {};
+
+    for (let i = 0; i < encodedStr.length; i += 1) {
+      var idLeft = sortedCharSequence[i];
+      if (idLeft in maxEachCharLeft) {
+        maxEachCharLeft[idLeft] = maxEachCharLeft[idLeft] + 1;
+      } else {
+        maxEachCharLeft[idLeft] = 1;
+      }
+      idLeft += String(maxEachCharLeft[idLeft]);
+
+      var idRight = encodedStr[i];
+      if (idRight in maxEachCharRight) {
+        maxEachCharRight[idRight] = maxEachCharRight[idRight] + 1;
+      } else {
+        maxEachCharRight[idRight] = 1;
+      }
+      idRight += String(maxEachCharRight[idRight]);
+
+      leftSide[idLeft] = {char: sortedCharSequence[i], right: idRight};
+      rightSide[idRight] = {char: encodedStr[i], left: idRight};
+    }
+    var result = '';
+    var firstChar = sortedCharSequence[0];
+    var searchChar = firstChar + '1';
+    var endChar = searchChar;
+    while (rightSide[leftSide[searchChar].right].left !== endChar) {
+      result     += leftSide[searchChar].char;
+      searchChar = rightSide[leftSide[searchChar].right].left;
+    }
+    result += leftSide[searchChar].char;
+    result = result.substring(1).split('').reverse().join('');
+    return result;
+  }
+
+}(typeof exports === 'undefined' ? window : exports));
diff --git a/test/compression/burrows-wheeler/burrows-wheeler.spec.js b/test/compression/burrows-wheeler/burrows-wheeler.spec.js
new file mode 100644
index 00000000..94ea02dc
--- /dev/null
+++ b/test/compression/burrows-wheeler/burrows-wheeler.spec.js
@@ -0,0 +1,13 @@
+var bw = require('../../../src/compression/burrows-wheeler/burrows-wheeler').burrowsWheeler;
+
+describe('Burrows Wheeler', function () {
+  'use strict';
+
+  it('should return "annnnb$aaaaa" for the entry "ananabanana"', function () {
+    expect(bw.encode('ananabanana')).toEqual('annnnb$aaaaa');
+  });
+
+  it('should return "ananabanana" for the entry "annnnb$aaaaa"', function () {
+    expect(bw.decode('annnnb$aaaaa')).toEqual('ananabanana');
+  });
+});

From bf0c22ef8be499deee22cb146c30e8514866c2ac Mon Sep 17 00:00:00 2001
From: Minko Gechev <mgechev@gmail.com>
Date: Sun, 30 Dec 2018 19:32:58 -0800
Subject: [PATCH 296/337] Create LICENSE

---
 LICENSE | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 LICENSE

diff --git a/LICENSE b/LICENSE
new file mode 100644
index 00000000..c617c7e0
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Minko Gechev
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

From e5b50fa4546c80f21d95ffebbdee5ef929be9b1f Mon Sep 17 00:00:00 2001
From: Minko Gechev <mgechev@gmail.com>
Date: Wed, 2 Jan 2019 20:51:59 -0800
Subject: [PATCH 297/337] Create CODE_OF_CONDUCT.md

---
 CODE_OF_CONDUCT.md | 76 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 CODE_OF_CONDUCT.md

diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
new file mode 100644
index 00000000..02a003f5
--- /dev/null
+++ b/CODE_OF_CONDUCT.md
@@ -0,0 +1,76 @@
+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, sex characteristics, gender identity and expression,
+level of experience, education, socio-economic status, nationality, personal
+appearance, race, religion, or sexual identity and orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery and unwelcome sexual attention or
+ advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or electronic
+ address, without explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+ professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community. Examples of
+representing a project or community include using an official project e-mail
+address, posting via an official social media account, or acting as an appointed
+representative at an online or offline event. Representation of a project may be
+further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting the project team at minko@gechev.io. All
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. The project team is
+obligated to maintain confidentiality with regard to the reporter of an incident.
+Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
+available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
+
+[homepage]: https://www.contributor-covenant.org
+
+For answers to common questions about this code of conduct, see
+https://www.contributor-covenant.org/faq

From 2db78a48bd12ac2b50145a72f5e7de34bdd4a4d0 Mon Sep 17 00:00:00 2001
From: Yiping Deng <y.deng@jacobs-university.de>
Date: Mon, 11 Mar 2019 15:52:53 +0100
Subject: [PATCH 298/337] [feature] add probablistic data structure bloomfilter
 (#151)

* add probablistic data structure bloomfilter

* Use Error in the code, change comment style, update bitmap interfaces
---
 src/data-structures/bloomfilter.js       | 221 +++++++++++++++++++++++
 test/data-structures/bloomfilter.spec.js |  57 ++++++
 2 files changed, 278 insertions(+)
 create mode 100644 src/data-structures/bloomfilter.js
 create mode 100644 test/data-structures/bloomfilter.spec.js

diff --git a/src/data-structures/bloomfilter.js b/src/data-structures/bloomfilter.js
new file mode 100644
index 00000000..f3432a0d
--- /dev/null
+++ b/src/data-structures/bloomfilter.js
@@ -0,0 +1,221 @@
+/**
+ * Bloomfilter and a bitmap.
+ * Probablistic data structure useful for deduplication
+ *
+ * @example
+ * // create a bloom filter with capacity of 1024 and 0.01 error rat
+ * var bloomfilter = new Bloomfilter(1024, 0.01);
+ * bloomfilter.set('hello');
+ * bloomfilter.get('hello') === true;
+ * bloomfilter.get('world') === false;
+ * @module data-structures/bloomfilter
+ */
+(function(exports) {
+  'use strict';
+
+  function randomUint32() {
+    return Math.floor(Math.random() * Math.pow(2, 32));
+  }
+  /**
+   * Calculate a 32 bit FNV-1a hash
+   * Found here: https://gist.github.com/vaiorabbit/5657561
+   * Ref.: http://isthe.com/chongo/tech/comp/fnv/
+   *
+   * @param {string} str the input value
+   * @param {boolean} [asString=false] set to true to return the hash value as
+   *     8-digit hex string instead of an integer
+   * @param {integer} [seed] optionally pass the hash of the previous chunk
+   * @returns {integer | string}
+   */
+  function hashFnv32a(str, asString, seed) {
+    /*jshint bitwise:false */
+    var i;
+    var l;
+    var hval = seed === undefined ? 0x811c9dc5 : seed;
+
+    for (i = 0, l = str.length; i < l; i = i + 1) {
+      hval ^= str.charCodeAt(i);
+      hval +=
+        (hval << 1) + (hval << 4) + (hval << 7) + (hval << 8) + (hval << 24);
+    }
+    if (asString) {
+      // Convert to 8 digit hex string
+      return ('0000000' + (hval >>> 0).toString(16)).substr(-8);
+    }
+    return hval >>> 0;
+  }
+
+  // Make a hash function
+  function mkHashFun(seed, limit) {
+    return function(value) {
+      return hashFnv32a(value, false, seed) % limit;
+    };
+  }
+  /**
+   * Create a bitmap with a given size
+   * Bit map is not resizeable
+   * @public
+   * @constructor
+   * @param {Number} size the size of the bitmap
+   */
+  exports.Bitmap = function(size) {
+    size = size || 1024;
+    if (size < 0) {
+      throw new Error('The size cannot be negative');
+    }
+    this.size = size;
+    this.intSize = Math.ceil(size / 32); // number of underlying integers
+    // Create a 0 initialized array
+    this.intArray = Array.from({ length: this.intSize }, function() {
+      return 0;
+    });
+  };
+
+  /**
+   * Get the size of the bit map
+   * @public
+   * @return {Number} size of the bit map
+   */
+  exports.Bitmap.prototype.getSize = function() {
+    return this.size;
+  };
+
+  /**
+   * Get if a bit is set at a particular index
+   * @public
+   * @return {Boolean} true or false value of the bit
+   */
+  exports.Bitmap.prototype.exists = function(index) {
+    // Necessary boundary check
+    if (index < 0 || index > this.size) {
+      throw new Error('Index out of bound')
+    }
+
+    // Calculate the offset within the int
+    var intOffset = index % 32;
+    var arrayOffset = Math.floor(index / 32); // the offset for the array
+    var mask = 1 << intOffset;
+    return (mask & this.intArray[arrayOffset]) !== 0;
+  };
+
+  /**
+   * Get the bit at a particular index
+   * @public
+   * @return {Number} true or false value of the bit
+   */
+  exports.Bitmap.prototype.get = function(index) {
+    // Necessary boundary check
+    if (index < 0 || index > this.size) {
+      throw new Error('Index out of bound')
+    }
+
+    // Calculate the offset within the int
+    var intOffset = index % 32;
+    var arrayOffset = Math.floor(index / 32); // the offset for the array
+    var mask = 1 << intOffset;
+    if ((mask & this.intArray[arrayOffset]) !== 0) {
+      return 1;
+    } else {
+      return 0;
+    }
+  };
+
+  /**
+   * Set the bit at a particular index
+   * @public
+   * @param {Number} index the index to set
+   * @param {Boolean} value the value that is necessary
+   */
+  exports.Bitmap.prototype.set = function(index, value) {
+    // necessary boundary check
+    if (index < 0 || index > this.size) {
+      throw new Error('Index out of bound')
+    }
+
+    var intOffset = index % 32; //calculate the offset within the int
+    var arrayOffset = Math.floor(index / 32); // the offset for the array
+    var mask = 1 << intOffset;
+
+    // Check trutyness
+    if (value) {
+      this.intArray[arrayOffset] |= mask; // or operation
+    } else {
+      this.intArray[arrayOffset] &= ~mask; // and opertation to set 0
+    }
+  };
+
+  /**
+   * Construct a bloom filter by given the capacity and the error rate, default error rate is 0.001
+   * @public
+   * @constructor
+   * @param {Number} capacity the maximum capacity to maintain the given error rate
+   * @param {Number} errorRate the error rate expected under maximum capacity
+   */
+  exports.Bloomfilter = function(capacity, errorRate) {
+    errorRate = errorRate || 0.001; // default error rate
+    if (errorRate > 1 || errorRate < 0) {
+      throw new Error('The error rate range is outside of bound');
+    }
+    if (capacity < 0) {
+      throw new Error('The capacity cannot be negative');
+    }
+    this.capacity = capacity;
+    this.errorRate = errorRate;
+
+    // Calculate the optimal size of the bitmap
+    var numBit = Math.ceil(
+      (capacity * Math.log(1.0 / errorRate)) / Math.pow(Math.log(2), 2)
+    );
+
+    // Calculate the optimal number of hash functions
+    this.numHashFunction = Math.ceil(Math.log(2), numBit / capacity);
+
+    // Create a bitmap
+    this.bitmap = new exports.Bitmap(numBit);
+
+    // Generate an array of hash functions
+    this.hashFunctions = Array.from(
+      { length: this.numHashFunction },
+      function() {
+        return mkHashFun(randomUint32(), numBit);
+      }.bind(this)
+    );
+  };
+
+  /**
+   * To check if an item is in the filter. If it is in, it will return true,
+   * if it is not in the filter, highly likely it will return false, but guaranteed
+   * @param {Number | String} value the value that we are trying to check in the filter
+   */
+  exports.Bloomfilter.prototype.get = function(value) {
+    value = String(value); // make it string
+    var hashes = this.hashFunctions.map(function(hashFct) {
+      return hashFct(value);
+    });
+
+    // if one of the bits is not set
+    for (var i = 0; i < hashes.length; i = i + 1) {
+      if (this.bitmap.exists(hashes[i]) === false) {
+        return false;
+      }
+    }
+    return true;
+  };
+
+  /**
+   * To set(put) an item in the bloom filter
+   * @public
+   * @param {Number | String} value the value that is been set in the filter
+   */
+  exports.Bloomfilter.prototype.set = function(value) {
+    value = String(value); // make it string
+    var hashes = this.hashFunctions.map(function(hashFct) {
+      return hashFct(value);
+    });
+
+    // Set all the corresponding bits
+    for (var i = 0; i < hashes.length; i = i + 1) {
+      this.bitmap.set(hashes[i], true);
+    }
+  };
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/test/data-structures/bloomfilter.spec.js b/test/data-structures/bloomfilter.spec.js
new file mode 100644
index 00000000..e72d8748
--- /dev/null
+++ b/test/data-structures/bloomfilter.spec.js
@@ -0,0 +1,57 @@
+var mod = require('../../src/data-structures/bloomfilter.js');
+var Bitmap = mod.Bitmap;
+var Bloomfilter = mod.Bloomfilter;
+
+describe('Bitmap', function() {
+  'use strict';
+
+  it('should be able to get and set values', function() {
+    var bitmap = new Bitmap(1024);
+    expect(bitmap.exists(0)).toBe(false);
+    bitmap.set(0, true);
+    expect(bitmap.exists(0)).toBe(true);
+    expect(bitmap.exists(1023)).toBe(false);
+    bitmap.set(1023, 1);
+    expect(bitmap.exists(1023)).toBe(true);
+  });
+
+  it('should be able to change everthing back', function() {
+    var bitmap = new Bitmap(2048);
+    for (var i = 0; i < 2048; i = i + 1) {
+      expect(bitmap.get(i)).toBe(0);
+      bitmap.set(i, 1);
+      expect(bitmap.get(i)).toBe(1);
+      bitmap.set(i, 0);
+      expect(bitmap.get(i)).toBe(0);
+    }
+  });
+});
+
+describe('Bloomfilter', function() {
+  'use strict';
+  it('should be able to identify duplicates', function() {
+    var bloomfilter = new Bloomfilter(1024, 0.01);
+    expect(bloomfilter.get('a')).toBe(false);
+    expect(bloomfilter.get('b')).toBe(false);
+    bloomfilter.set('a');
+    expect(bloomfilter.get('a')).toBe(true);
+    expect(bloomfilter.get('b')).toBe(false);
+    bloomfilter.set('b');
+    expect(bloomfilter.get('a')).toBe(true);
+    expect(bloomfilter.get('b')).toBe(true);
+  });
+
+  it('should handle large amount of data inside', function() {
+    var bloomfilter = new Bloomfilter(4096, 0.001); // high precision
+
+    var falsePositive = 0;
+    for (var i = 0; i < 1024; i = i + 1) {
+      if (bloomfilter.get(i)) {
+        falsePositive = falsePositive + 1;
+      }
+      bloomfilter.set(i, true);
+      expect(bloomfilter.get(i)).toBe(true);
+    }
+    expect(falsePositive).toBeLessThan(100); // set a high theshold
+  });
+});

From 28130e05c3e2023eb28f90888b1a342906c82654 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 23 Mar 2019 13:42:20 -0700
Subject: [PATCH 299/337] docs: update the list of contributors

---
 readme.md | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/readme.md b/readme.md
index 2a0122ff..af682e88 100644
--- a/readme.md
+++ b/readme.md
@@ -73,22 +73,23 @@ create a pull request.
 :---: |:---: |:---: |:---: |:---: |:---: |
 [krzysztof-grzybek](https://github.com/krzysztof-grzybek) |[pvoznenko](https://github.com/pvoznenko) |[jettcalleja](https://github.com/jettcalleja) |[kdamball](https://github.com/kdamball) |[lekkas](https://github.com/lekkas) |[infusion](https://github.com/infusion) |
 
-[<img alt="deniskyashif" src="https://avatars2.githubusercontent.com/u/5999271?v=4&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="filipefalcaos" src="https://avatars2.githubusercontent.com/u/9125631?v=4&s=117" width="117">](https://github.com/filipefalcaos) |[<img alt="designeng" src="https://avatars0.githubusercontent.com/u/2807469?v=4&s=117" width="117">](https://github.com/designeng) |[<img alt="Microfed" src="https://avatars1.githubusercontent.com/u/613179?v=4&s=117" width="117">](https://github.com/Microfed) |[<img alt="pkerpedjiev" src="https://avatars3.githubusercontent.com/u/2143629?v=4&s=117" width="117">](https://github.com/pkerpedjiev) |[<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) |
+[<img alt="deniskyashif" src="https://avatars2.githubusercontent.com/u/5999271?v=4&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="filipefalcaos" src="https://avatars2.githubusercontent.com/u/9125631?v=4&s=117" width="117">](https://github.com/filipefalcaos) |[<img alt="brunohadlich" src="https://avatars2.githubusercontent.com/u/7043013?v=4&s=117" width="117">](https://github.com/brunohadlich) |[<img alt="designeng" src="https://avatars0.githubusercontent.com/u/2807469?v=4&s=117" width="117">](https://github.com/designeng) |[<img alt="Microfed" src="https://avatars1.githubusercontent.com/u/613179?v=4&s=117" width="117">](https://github.com/Microfed) |[<img alt="pkerpedjiev" src="https://avatars3.githubusercontent.com/u/2143629?v=4&s=117" width="117">](https://github.com/pkerpedjiev) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[deniskyashif](https://github.com/deniskyashif) |[filipefalcaos](https://github.com/filipefalcaos) |[designeng](https://github.com/designeng) |[Microfed](https://github.com/Microfed) |[pkerpedjiev](https://github.com/pkerpedjiev) |[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |
+[deniskyashif](https://github.com/deniskyashif) |[filipefalcaos](https://github.com/filipefalcaos) |[brunohadlich](https://github.com/brunohadlich) |[designeng](https://github.com/designeng) |[Microfed](https://github.com/Microfed) |[pkerpedjiev](https://github.com/pkerpedjiev) |
 
-[<img alt="emyarod" src="https://avatars3.githubusercontent.com/u/8265238?v=4&s=117" width="117">](https://github.com/emyarod) |[<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) |[<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) |[<img alt="BorislavBorisov22" src="https://avatars2.githubusercontent.com/u/20156662?v=4&s=117" width="117">](https://github.com/BorislavBorisov22) |[<img alt="brunohadlich" src="https://avatars2.githubusercontent.com/u/7043013?v=4&s=117" width="117">](https://github.com/brunohadlich) |[<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) |
+[<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="emyarod" src="https://avatars3.githubusercontent.com/u/8265238?v=4&s=117" width="117">](https://github.com/emyarod) |[<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) |[<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) |[<img alt="BorislavBorisov22" src="https://avatars2.githubusercontent.com/u/20156662?v=4&s=117" width="117">](https://github.com/BorislavBorisov22) |[<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[emyarod](https://github.com/emyarod) |[contra](https://github.com/contra) |[alexjoverm](https://github.com/alexjoverm) |[BorislavBorisov22](https://github.com/BorislavBorisov22) |[brunohadlich](https://github.com/brunohadlich) |[ysharplanguage](https://github.com/ysharplanguage) |
+[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[emyarod](https://github.com/emyarod) |[liesislukas](https://github.com/liesislukas) |[alexjoverm](https://github.com/alexjoverm) |[BorislavBorisov22](https://github.com/BorislavBorisov22) |[ysharplanguage](https://github.com/ysharplanguage) |
 
-[<img alt="jurassix" src="https://avatars3.githubusercontent.com/u/1869117?v=4&s=117" width="117">](https://github.com/jurassix) |[<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) |[<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) |[<img alt="xiedezhuo" src="https://avatars3.githubusercontent.com/u/39017209?v=4&s=117" width="117">](https://github.com/xiedezhuo) |[<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) |
+[<img alt="jurassix" src="https://avatars3.githubusercontent.com/u/1869117?v=4&s=117" width="117">](https://github.com/jurassix) |[<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) |[<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) |[<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) |[<img alt="xiedezhuo" src="https://avatars3.githubusercontent.com/u/39017209?v=4&s=117" width="117">](https://github.com/xiedezhuo) |[<img alt="DengYiping" src="https://avatars0.githubusercontent.com/u/12176046?v=4&s=117" width="117">](https://github.com/DengYiping) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[jurassix](https://github.com/jurassix) |[amilajack](https://github.com/amilajack) |[liesislukas](https://github.com/liesislukas) |[millerrach](https://github.com/millerrach) |[xiedezhuo](https://github.com/xiedezhuo) |[fanixk](https://github.com/fanixk) |
+[jurassix](https://github.com/jurassix) |[contra](https://github.com/contra) |[amilajack](https://github.com/amilajack) |[millerrach](https://github.com/millerrach) |[xiedezhuo](https://github.com/xiedezhuo) |[DengYiping](https://github.com/DengYiping) |
 
-[<img alt="miyes" src="https://avatars1.githubusercontent.com/u/6756730?v=4&s=117" width="117">](https://github.com/miyes) |[<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |
-:---: |:---: |
-[miyes](https://github.com/miyes) |[shaunak1111](https://github.com/shaunak1111) |
+[<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) |[<img alt="miyes90" src="https://avatars1.githubusercontent.com/u/6756730?v=4&s=117" width="117">](https://github.com/miyes90) |[<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |
+:---: |:---: |:---: |
+[fanixk](https://github.com/fanixk) |[miyes90](https://github.com/miyes90) |[shaunak1111](https://github.com/shaunak1111) |
 
 ## License
 
 The code in this repository is distributed under the terms of the MIT license.
+

From 368cfca44f236e6e4633620376b6408789cbf566 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sun, 24 Mar 2019 21:01:18 -0700
Subject: [PATCH 300/337] feat: add Graham's convex hull algorithm

---
 package-lock.json             | 4535 ---------------------------------
 src/graphics/graham.js        |   72 +
 test/graphics/grapham.spec.js |   26 +
 yarn.lock                     | 3344 ++++++++++++++++++++++++
 4 files changed, 3442 insertions(+), 4535 deletions(-)
 delete mode 100644 package-lock.json
 create mode 100644 src/graphics/graham.js
 create mode 100644 test/graphics/grapham.spec.js
 create mode 100644 yarn.lock

diff --git a/package-lock.json b/package-lock.json
deleted file mode 100644
index 78e33fc3..00000000
--- a/package-lock.json
+++ /dev/null
@@ -1,4535 +0,0 @@
-{
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-  "version": "0.0.0",
-  "lockfileVersion": 1,
-  "requires": true,
-  "dependencies": {
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-      "dev": true
-    },
-    "accepts": {
-      "version": "1.3.4",
-      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.4.tgz",
-      "integrity": "sha1-hiRnWMfdbSGmR0/whKR0DsBesh8=",
-      "dev": true,
-      "requires": {
-        "mime-types": "2.1.17",
-        "negotiator": "0.6.1"
-      }
-    },
-    "acorn": {
-      "version": "5.0.3",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.0.3.tgz",
-      "integrity": "sha1-xGDfCEkUY/AozLguqzcwvwEIez0=",
-      "dev": true
-    },
-    "acorn-jsx": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz",
-      "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
-      "dev": true,
-      "requires": {
-        "acorn": "3.3.0"
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-      "dependencies": {
-        "acorn": {
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-          "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo=",
-          "dev": true
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-    "ajv": {
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-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-4.11.8.tgz",
-      "integrity": "sha1-gv+wKynmYq5TvcIK8VlHcGc5xTY=",
-      "dev": true,
-      "requires": {
-        "co": "4.6.0",
-        "json-stable-stringify": "1.0.1"
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-    },
-    "ajv-keywords": {
-      "version": "1.5.1",
-      "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-1.5.1.tgz",
-      "integrity": "sha1-MU3QpLM2j609/NxU7eYXG4htrzw=",
-      "dev": true
-    },
-    "ansi-escapes": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-1.4.0.tgz",
-      "integrity": "sha1-06ioOzGapneTZisT52HHkRQiMG4=",
-      "dev": true
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-    "ansi-regex": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-      "dev": true
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-    "ansi-styles": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-      "dev": true
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-    "anymatch": {
-      "version": "1.3.2",
-      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-1.3.2.tgz",
-      "integrity": "sha512-0XNayC8lTHQ2OI8aljNCN3sSx6hsr/1+rlcDAotXJR7C1oZZHCNsfpbKwMjRA3Uqb5tF1Rae2oloTr4xpq+WjA==",
-      "dev": true,
-      "requires": {
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-      "resolved": "https://registry.npmjs.org/apache-crypt/-/apache-crypt-1.2.1.tgz",
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-      "dev": true,
-      "requires": {
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-    "apache-md5": {
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-      "integrity": "sha1-c9g7wmP4bpf4zE9rrhsOkKfSLIY=",
-      "dev": true,
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-    "arr-diff": {
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diff --git a/src/graphics/graham.js b/src/graphics/graham.js
new file mode 100644
index 00000000..bab1889a
--- /dev/null
+++ b/src/graphics/graham.js
@@ -0,0 +1,72 @@
+(function(exports) {
+  'use strict';
+
+  const slope = (p, a) => (a.y - p.y) / (a.x - p.x);
+
+  const dist = (a, b) => Math.sqrt((b.y - a.y) * (b.y - a.y) + (b.x - a.x) * (b.x - a.x));
+
+  const sort = (p, memo, a, b) => {
+    const sa = slope(p, a);
+    const sb = slope(p, b);
+    [[sa, a], [sb, b]].forEach(e => {
+      if (!memo.has(e[0])) {
+        memo.set(e[0], new Set());
+      }
+      memo.get(e[0]).add(e[1]);
+    });
+    return sa - sb;
+  };
+
+  const ccw = (a, b, c) => (b.x - a.x) * (c.y - a.y) - (b.y - a.y) * (c.x - a.x);
+
+  /**
+   * Graham's algorithm for calculating the convex hull.
+   *
+   * @public
+   * @module graphics/graham
+   * @param {Array} all
+   * @returns {Array}
+   *
+   * @example
+   * const points = [
+   *   { x: 0, y: 0 },
+   *   { x: 1, y: 0 },
+   *   { x: 0, y: 1 },
+   *   { x: 0.15, y: 0.15 },
+   *   { x: 0.5, y: 0.5 }
+   * ];
+   * const list = convexHull(points);
+   * // [{ x: 0, y: 0 },
+   * //  { x: 1, y: 0 },
+   * //  { x: 0.5, y: 0.5 },
+   * //  { x: 0, y: 1 }]
+   */
+  const convexHull = all => {
+    if (!all.length) return [];
+
+    const p = all.reduce((a, c) => {
+      if (a.y < c.y) return a;
+      if (a.y > c.y) return c;
+      if (a.x < c.x) return a;
+      return c;
+    });
+    const memo = new Map();
+    const points = all.sort(sort.bind(null, p, memo)).filter(c => {
+      const s = slope(p, c);
+      // Liner check, can consider more efficient data structure
+      const set = Array.from(memo.get(s));
+      return !set.some(e => dist(p, e) > dist(p, c));
+    });
+
+    const stack = [];
+    points.forEach(p => {
+      while (stack.length > 1 && ccw(stack[stack.length - 2], stack[stack.length - 1], p) < 0) {
+        stack.pop();
+      }
+      stack.push(p);
+    });
+    return stack;
+  };
+
+  exports.convexHull = convexHull;
+})(typeof exports === 'undefined' ? window : exports);
diff --git a/test/graphics/grapham.spec.js b/test/graphics/grapham.spec.js
new file mode 100644
index 00000000..8b6db0e6
--- /dev/null
+++ b/test/graphics/grapham.spec.js
@@ -0,0 +1,26 @@
+var convexHull = require('../../src/graphics/graham').convexHull;
+
+const points = [
+  { x: 0, y: 0 },
+  { x: 1, y: 0 },
+  { x: 0, y: 1 },
+  { x: 0.15, y: 0.15 },
+  { x: 0.5, y: 0.5 }
+];
+
+describe("Graham's algorithm for convex hull", function() {
+  'use strict';
+
+  it('should not throw with empty list', () => {
+    expect(() => convexHull([])).not.toThrow();
+  });
+
+  it('should calculate the convex hull', () => {
+    expect(convexHull(points)).toEqual([
+      { x: 0, y: 0 },
+      { x: 1, y: 0 },
+      { x: 0.5, y: 0.5 },
+      { x: 0, y: 1 }
+    ]);
+  });
+});
diff --git a/yarn.lock b/yarn.lock
new file mode 100644
index 00000000..cae998a0
--- /dev/null
+++ b/yarn.lock
@@ -0,0 +1,3344 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@jeremyckahn/minami@^1.3.1":
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/@jeremyckahn/minami/-/minami-1.3.1.tgz#cec9a26c1484b0cacdc9d7a86eb476fe864a0515"
+  integrity sha512-jeOFPfq3zLxnQ0dhlhrZd5J0qZDdF1wkrNlr6ErVaGtjPTq9gn/NIK0GDOmGcAJgN/6yKwRdMxPy33u12lQWiQ==
+
+abbrev@1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
+  integrity sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==
+
+accepts@~1.3.4:
+  version "1.3.5"
+  resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.5.tgz#eb777df6011723a3b14e8a72c0805c8e86746bd2"
+  integrity sha1-63d99gEXI6OxTopywIBcjoZ0a9I=
+  dependencies:
+    mime-types "~2.1.18"
+    negotiator "0.6.1"
+
+acorn-jsx@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-3.0.1.tgz#afdf9488fb1ecefc8348f6fb22f464e32a58b36b"
+  integrity sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=
+  dependencies:
+    acorn "^3.0.4"
+
+acorn@^3.0.4:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
+  integrity sha1-ReN/s56No/JbruP/U2niu18iAXo=
+
+acorn@^5.5.0:
+  version "5.7.3"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.3.tgz#67aa231bf8812974b85235a96771eb6bd07ea279"
+  integrity sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw==
+
+ajv-keywords@^1.0.0:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-1.5.1.tgz#314dd0a4b3368fad3dfcdc54ede6171b886daf3c"
+  integrity sha1-MU3QpLM2j609/NxU7eYXG4htrzw=
+
+ajv@^4.7.0:
+  version "4.11.8"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-4.11.8.tgz#82ffb02b29e662ae53bdc20af15947706739c536"
+  integrity sha1-gv+wKynmYq5TvcIK8VlHcGc5xTY=
+  dependencies:
+    co "^4.6.0"
+    json-stable-stringify "^1.0.1"
+
+ansi-escapes@^1.1.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-1.4.0.tgz#d3a8a83b319aa67793662b13e761c7911422306e"
+  integrity sha1-06ioOzGapneTZisT52HHkRQiMG4=
+
+ansi-gray@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/ansi-gray/-/ansi-gray-0.1.1.tgz#2962cf54ec9792c48510a3deb524436861ef7251"
+  integrity sha1-KWLPVOyXksSFEKPetSRDaGHvclE=
+  dependencies:
+    ansi-wrap "0.1.0"
+
+ansi-regex@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
+  integrity sha1-w7M6te42DYbg5ijwRorn7yfWVN8=
+
+ansi-regex@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-3.0.0.tgz#ed0317c322064f79466c02966bddb605ab37d998"
+  integrity sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=
+
+ansi-styles@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
+  integrity sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=
+
+ansi-wrap@0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/ansi-wrap/-/ansi-wrap-0.1.0.tgz#a82250ddb0015e9a27ca82e82ea603bbfa45efaf"
+  integrity sha1-qCJQ3bABXponyoLoLqYDu/pF768=
+
+anymatch@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-2.0.0.tgz#bcb24b4f37934d9aa7ac17b4adaf89e7c76ef2eb"
+  integrity sha512-5teOsQWABXHHBFP9y3skS5P3d/WfWXpv3FUpy+LorMrNYaT9pI4oLMQX7jzQ2KklNpGpWHzdCXTDT2Y3XGlZBw==
+  dependencies:
+    micromatch "^3.1.4"
+    normalize-path "^2.1.1"
+
+apache-crypt@^1.1.2:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/apache-crypt/-/apache-crypt-1.2.1.tgz#d6fc72aa6d27d99c95a94fd188d731eefffa663c"
+  integrity sha1-1vxyqm0n2ZyVqU/RiNcx7v/6Zjw=
+  dependencies:
+    unix-crypt-td-js "^1.0.0"
+
+apache-md5@^1.0.6:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/apache-md5/-/apache-md5-1.1.2.tgz#ee49736b639b4f108b6e9e626c6da99306b41692"
+  integrity sha1-7klza2ObTxCLbp5ibG2pkwa0FpI=
+
+aproba@^1.0.3:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.2.0.tgz#6802e6264efd18c790a1b0d517f0f2627bf2c94a"
+  integrity sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw==
+
+archy@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/archy/-/archy-1.0.0.tgz#f9c8c13757cc1dd7bc379ac77b2c62a5c2868c40"
+  integrity sha1-+cjBN1fMHde8N5rHeyxipcKGjEA=
+
+are-we-there-yet@~1.1.2:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz#4b35c2944f062a8bfcda66410760350fe9ddfc21"
+  integrity sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==
+  dependencies:
+    delegates "^1.0.0"
+    readable-stream "^2.0.6"
+
+argparse@^1.0.7:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
+  integrity sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==
+  dependencies:
+    sprintf-js "~1.0.2"
+
+arr-diff@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-4.0.0.tgz#d6461074febfec71e7e15235761a329a5dc7c520"
+  integrity sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA=
+
+arr-flatten@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/arr-flatten/-/arr-flatten-1.1.0.tgz#36048bbff4e7b47e136644316c99669ea5ae91f1"
+  integrity sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg==
+
+arr-union@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/arr-union/-/arr-union-3.1.0.tgz#e39b09aea9def866a8f206e288af63919bae39c4"
+  integrity sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=
+
+array-differ@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/array-differ/-/array-differ-1.0.0.tgz#eff52e3758249d33be402b8bb8e564bb2b5d4031"
+  integrity sha1-7/UuN1gknTO+QCuLuOVkuytdQDE=
+
+array-each@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/array-each/-/array-each-1.0.1.tgz#a794af0c05ab1752846ee753a1f211a05ba0c44f"
+  integrity sha1-p5SvDAWrF1KEbudTofIRoFugxE8=
+
+array-slice@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/array-slice/-/array-slice-1.1.0.tgz#e368ea15f89bc7069f7ffb89aec3a6c7d4ac22d4"
+  integrity sha512-B1qMD3RBP7O8o0H2KbrXDyB0IccejMF15+87Lvlor12ONPRHP6gTjXMNkt/d3ZuOGbAe66hFmaCfECI24Ufp6w==
+
+array-union@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/array-union/-/array-union-1.0.2.tgz#9a34410e4f4e3da23dea375be5be70f24778ec39"
+  integrity sha1-mjRBDk9OPaI96jdb5b5w8kd47Dk=
+  dependencies:
+    array-uniq "^1.0.1"
+
+array-uniq@^1.0.1, array-uniq@^1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/array-uniq/-/array-uniq-1.0.3.tgz#af6ac877a25cc7f74e058894753858dfdb24fdb6"
+  integrity sha1-r2rId6Jcx/dOBYiUdThY39sk/bY=
+
+array-unique@^0.3.2:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/array-unique/-/array-unique-0.3.2.tgz#a894b75d4bc4f6cd679ef3244a9fd8f46ae2d428"
+  integrity sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=
+
+arrify@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/arrify/-/arrify-1.0.1.tgz#898508da2226f380df904728456849c1501a4b0d"
+  integrity sha1-iYUI2iIm84DfkEcoRWhJwVAaSw0=
+
+assign-symbols@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/assign-symbols/-/assign-symbols-1.0.0.tgz#59667f41fadd4f20ccbc2bb96b8d4f7f78ec0367"
+  integrity sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=
+
+async-each@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.2.tgz#8b8a7ca2a658f927e9f307d6d1a42f4199f0f735"
+  integrity sha512-6xrbvN0MOBKSJDdonmSSz2OwFSgxRaVtBDes26mj9KIGtDo+g9xosFRSC+i1gQh2oAN/tQ62AI/pGZGQjVOiRg==
+
+async@2.6.1:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.1.tgz#b245a23ca71930044ec53fa46aa00a3e87c6a610"
+  integrity sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==
+  dependencies:
+    lodash "^4.17.10"
+
+atob@^2.1.1:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
+  integrity sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==
+
+babel-code-frame@^6.16.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.26.0.tgz#63fd43f7dc1e3bb7ce35947db8fe369a3f58c74b"
+  integrity sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=
+  dependencies:
+    chalk "^1.1.3"
+    esutils "^2.0.2"
+    js-tokens "^3.0.2"
+
+babylon@7.0.0-beta.19:
+  version "7.0.0-beta.19"
+  resolved "https://registry.yarnpkg.com/babylon/-/babylon-7.0.0-beta.19.tgz#e928c7e807e970e0536b078ab3e0c48f9e052503"
+  integrity sha512-Vg0C9s/REX6/WIXN37UKpv5ZhRi6A4pjHlpkE34+8/a6c2W1Q692n3hmc+SZG5lKRnaExLUbxtJ1SVT+KaCQ/A==
+
+balanced-match@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+  integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
+
+base@^0.11.1:
+  version "0.11.2"
+  resolved "https://registry.yarnpkg.com/base/-/base-0.11.2.tgz#7bde5ced145b6d551a90db87f83c558b4eb48a8f"
+  integrity sha512-5T6P4xPgpp0YDFvSWwEZ4NoE3aM4QBQXDzmVbraCkFj8zHM+mba8SyqB5DbZWyR7mYHo6Y7BdQo3MoA4m0TeQg==
+  dependencies:
+    cache-base "^1.0.1"
+    class-utils "^0.3.5"
+    component-emitter "^1.2.1"
+    define-property "^1.0.0"
+    isobject "^3.0.1"
+    mixin-deep "^1.2.0"
+    pascalcase "^0.1.1"
+
+basic-auth@~2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/basic-auth/-/basic-auth-2.0.1.tgz#b998279bf47ce38344b4f3cf916d4679bbf51e3a"
+  integrity sha512-NF+epuEdnUYVlGuhaxbbq+dvJttwLnGY+YixlXlME5KpQ5W3CnXA5cVTneY3SPbPDRkcjMbifrwmFYcClgOZeg==
+  dependencies:
+    safe-buffer "5.1.2"
+
+batch@0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/batch/-/batch-0.6.1.tgz#dc34314f4e679318093fc760272525f94bf25c16"
+  integrity sha1-3DQxT05nkxgJP8dgJyUl+UvyXBY=
+
+bcryptjs@^2.3.0:
+  version "2.4.3"
+  resolved "https://registry.yarnpkg.com/bcryptjs/-/bcryptjs-2.4.3.tgz#9ab5627b93e60621ff7cdac5da9733027df1d0cb"
+  integrity sha1-mrVie5PmBiH/fNrF2pczAn3x0Ms=
+
+beeper@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/beeper/-/beeper-1.1.1.tgz#e6d5ea8c5dad001304a70b22638447f69cb2f809"
+  integrity sha1-5tXqjF2tABMEpwsiY4RH9pyy+Ak=
+
+binary-extensions@^1.0.0:
+  version "1.13.0"
+  resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.13.0.tgz#9523e001306a32444b907423f1de2164222f6ab1"
+  integrity sha512-EgmjVLMn22z7eGGv3kcnHwSnJXmFHjISTY9E/S5lIcTD3Oxw05QTcBLNkJFzcb3cNueUdF/IN4U+d78V0zO8Hw==
+
+bluebird@~3.5.0:
+  version "3.5.3"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.3.tgz#7d01c6f9616c9a51ab0f8c549a79dfe6ec33efa7"
+  integrity sha512-/qKPUQlaW1OyR51WeCPBvRnAlnZFUJkCSG5HzGnuIqhgyJtF+T94lFnn33eiazjRm2LAHVy2guNnaq48X9SJuw==
+
+brace-expansion@^1.0.0, brace-expansion@^1.1.7:
+  version "1.1.11"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+  integrity sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
+braces@^2.3.1, braces@^2.3.2:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/braces/-/braces-2.3.2.tgz#5979fd3f14cd531565e5fa2df1abfff1dfaee729"
+  integrity sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==
+  dependencies:
+    arr-flatten "^1.1.0"
+    array-unique "^0.3.2"
+    extend-shallow "^2.0.1"
+    fill-range "^4.0.0"
+    isobject "^3.0.1"
+    repeat-element "^1.1.2"
+    snapdragon "^0.8.1"
+    snapdragon-node "^2.0.1"
+    split-string "^3.0.2"
+    to-regex "^3.0.1"
+
+buffer-from@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
+  integrity sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==
+
+bufferstreams@^1.1.1:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/bufferstreams/-/bufferstreams-1.1.3.tgz#a8515ac024fa90e8fa7d58c11b13dea1f28abe72"
+  integrity sha512-HaJnVuslRF4g2kSDeyl++AaVizoitCpL9PglzCYwy0uHHyvWerfvEb8jWmYbF1z4kiVFolGomnxSGl+GUQp2jg==
+  dependencies:
+    readable-stream "^2.0.2"
+
+cache-base@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/cache-base/-/cache-base-1.0.1.tgz#0a7f46416831c8b662ee36fe4e7c59d76f666ab2"
+  integrity sha512-AKcdTnFSWATd5/GCPRxr2ChwIJ85CeyrEyjRHlKxQ56d4XJMGym0uAiKn0xbLOGOl3+yRpOTi484dVCEc5AUzQ==
+  dependencies:
+    collection-visit "^1.0.0"
+    component-emitter "^1.2.1"
+    get-value "^2.0.6"
+    has-value "^1.0.0"
+    isobject "^3.0.1"
+    set-value "^2.0.0"
+    to-object-path "^0.3.0"
+    union-value "^1.0.0"
+    unset-value "^1.0.0"
+
+caller-path@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/caller-path/-/caller-path-0.1.0.tgz#94085ef63581ecd3daa92444a8fe94e82577751f"
+  integrity sha1-lAhe9jWB7NPaqSREqP6U6CV3dR8=
+  dependencies:
+    callsites "^0.2.0"
+
+callsites@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/callsites/-/callsites-0.2.0.tgz#afab96262910a7f33c19a5775825c69f34e350ca"
+  integrity sha1-r6uWJikQp/M8GaV3WCXGnzTjUMo=
+
+catharsis@~0.8.9:
+  version "0.8.9"
+  resolved "https://registry.yarnpkg.com/catharsis/-/catharsis-0.8.9.tgz#98cc890ca652dd2ef0e70b37925310ff9e90fc8b"
+  integrity sha1-mMyJDKZS3S7w5ws3klMQ/56Q/Is=
+  dependencies:
+    underscore-contrib "~0.3.0"
+
+chalk@^1.0.0, chalk@^1.1.1, chalk@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
+  integrity sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=
+  dependencies:
+    ansi-styles "^2.2.1"
+    escape-string-regexp "^1.0.2"
+    has-ansi "^2.0.0"
+    strip-ansi "^3.0.0"
+    supports-color "^2.0.0"
+
+chokidar@^2.0.4:
+  version "2.1.5"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.1.5.tgz#0ae8434d962281a5f56c72869e79cb6d9d86ad4d"
+  integrity sha512-i0TprVWp+Kj4WRPtInjexJ8Q+BqTE909VpH8xVhXrJkoc5QC8VO9TryGOqTr+2hljzc1sC62t22h5tZePodM/A==
+  dependencies:
+    anymatch "^2.0.0"
+    async-each "^1.0.1"
+    braces "^2.3.2"
+    glob-parent "^3.1.0"
+    inherits "^2.0.3"
+    is-binary-path "^1.0.0"
+    is-glob "^4.0.0"
+    normalize-path "^3.0.0"
+    path-is-absolute "^1.0.0"
+    readdirp "^2.2.1"
+    upath "^1.1.1"
+  optionalDependencies:
+    fsevents "^1.2.7"
+
+chownr@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.1.tgz#54726b8b8fff4df053c42187e801fb4412df1494"
+  integrity sha512-j38EvO5+LHX84jlo6h4UzmOwi0UgW61WRyPtJz4qaadK5eY3BTS5TY/S1Stc3Uk2lIM6TPevAlULiEJwie860g==
+
+circular-json@^0.3.1:
+  version "0.3.3"
+  resolved "https://registry.yarnpkg.com/circular-json/-/circular-json-0.3.3.tgz#815c99ea84f6809529d2f45791bdf82711352d66"
+  integrity sha512-UZK3NBx2Mca+b5LsG7bY183pHWt5Y1xts4P3Pz7ENTwGVnJOUWbRb3ocjvX7hx9tq/yTAdclXm9sZ38gNuem4A==
+
+class-utils@^0.3.5:
+  version "0.3.6"
+  resolved "https://registry.yarnpkg.com/class-utils/-/class-utils-0.3.6.tgz#f93369ae8b9a7ce02fd41faad0ca83033190c463"
+  integrity sha512-qOhPa/Fj7s6TY8H8esGu5QNpMMQxz79h+urzrNYN6mn+9BnxlDGf5QZ+XeCDsxSjPqsSR56XOZOJmpeurnLMeg==
+  dependencies:
+    arr-union "^3.1.0"
+    define-property "^0.2.5"
+    isobject "^3.0.0"
+    static-extend "^0.1.1"
+
+cli-cursor@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/cli-cursor/-/cli-cursor-1.0.2.tgz#64da3f7d56a54412e59794bd62dc35295e8f2987"
+  integrity sha1-ZNo/fValRBLll5S9Ytw1KV6PKYc=
+  dependencies:
+    restore-cursor "^1.0.1"
+
+cli-width@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-2.2.0.tgz#ff19ede8a9a5e579324147b0c11f0fbcbabed639"
+  integrity sha1-/xnt6Kml5XkyQUewwR8PvLq+1jk=
+
+clone-stats@^0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/clone-stats/-/clone-stats-0.0.1.tgz#b88f94a82cf38b8791d58046ea4029ad88ca99d1"
+  integrity sha1-uI+UqCzzi4eR1YBG6kAprYjKmdE=
+
+clone@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/clone/-/clone-0.2.0.tgz#c6126a90ad4f72dbf5acdb243cc37724fe93fc1f"
+  integrity sha1-xhJqkK1Pctv1rNskPMN3JP6T/B8=
+
+clone@^1.0.0, clone@^1.0.2:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/clone/-/clone-1.0.4.tgz#da309cc263df15994c688ca902179ca3c7cd7c7e"
+  integrity sha1-2jCcwmPfFZlMaIypAheco8fNfH4=
+
+co@^4.6.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/co/-/co-4.6.0.tgz#6ea6bdf3d853ae54ccb8e47bfa0bf3f9031fb184"
+  integrity sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ=
+
+code-point-at@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
+  integrity sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=
+
+collection-visit@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/collection-visit/-/collection-visit-1.0.0.tgz#4bc0373c164bc3291b4d368c829cf1a80a59dca0"
+  integrity sha1-S8A3PBZLwykbTTaMgpzxqApZ3KA=
+  dependencies:
+    map-visit "^1.0.0"
+    object-visit "^1.0.0"
+
+color-support@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/color-support/-/color-support-1.1.3.tgz#93834379a1cc9a0c61f82f52f0d04322251bd5a2"
+  integrity sha512-qiBjkpbMLO/HL68y+lh4q0/O1MZFj2RX6X/KmMa3+gJD3z+WwI1ZzDHysvqHGS3mP6mznPckpXmw1nI9cJjyRg==
+
+colors@latest:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/colors/-/colors-1.3.3.tgz#39e005d546afe01e01f9c4ca8fa50f686a01205d"
+  integrity sha512-mmGt/1pZqYRjMxB1axhTo16/snVZ5krrKkcmMeVKxzECMMXoCgnvTPp10QgHfcbQZw8Dq2jMNG6je4JlWU0gWg==
+
+commander@2.15.1:
+  version "2.15.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.15.1.tgz#df46e867d0fc2aec66a34662b406a9ccafff5b0f"
+  integrity sha512-VlfT9F3V0v+jr4yxPc5gg9s62/fIVWsd2Bk2iD435um1NlGMYdVCq+MjcXnhYq2icNOizHr1kK+5TI6H0Hy0ag==
+
+component-emitter@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.2.1.tgz#137918d6d78283f7df7a6b7c5a63e140e69425e6"
+  integrity sha1-E3kY1teCg/ffemt8WmPhQOaUJeY=
+
+concat-map@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+  integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
+
+concat-stream@^1.5.2:
+  version "1.6.2"
+  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.2.tgz#904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34"
+  integrity sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==
+  dependencies:
+    buffer-from "^1.0.0"
+    inherits "^2.0.3"
+    readable-stream "^2.2.2"
+    typedarray "^0.0.6"
+
+connect@^3.6.6:
+  version "3.6.6"
+  resolved "https://registry.yarnpkg.com/connect/-/connect-3.6.6.tgz#09eff6c55af7236e137135a72574858b6786f524"
+  integrity sha1-Ce/2xVr3I24TcTWnJXSFi2eG9SQ=
+  dependencies:
+    debug "2.6.9"
+    finalhandler "1.1.0"
+    parseurl "~1.3.2"
+    utils-merge "1.0.1"
+
+console-control-strings@^1.0.0, console-control-strings@~1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/console-control-strings/-/console-control-strings-1.1.0.tgz#3d7cf4464db6446ea644bf4b39507f9851008e8e"
+  integrity sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=
+
+copy-descriptor@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
+  integrity sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=
+
+core-util-is@~1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
+  integrity sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=
+
+cors@latest:
+  version "2.8.5"
+  resolved "https://registry.yarnpkg.com/cors/-/cors-2.8.5.tgz#eac11da51592dd86b9f06f6e7ac293b3df875d29"
+  integrity sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==
+  dependencies:
+    object-assign "^4"
+    vary "^1"
+
+d@1:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/d/-/d-1.0.0.tgz#754bb5bfe55451da69a58b94d45f4c5b0462d58f"
+  integrity sha1-dUu1v+VUUdpppYuU1F9MWwRi1Y8=
+  dependencies:
+    es5-ext "^0.10.9"
+
+dateformat@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-2.2.0.tgz#4065e2013cf9fb916ddfd82efb506ad4c6769062"
+  integrity sha1-QGXiATz5+5Ft39gu+1Bq1MZ2kGI=
+
+debug@2.6.9, debug@^2.1.1, debug@^2.1.2, debug@^2.2.0, debug@^2.3.3:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
+  integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==
+  dependencies:
+    ms "2.0.0"
+
+decode-uri-component@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
+  integrity sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=
+
+deep-extend@^0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.6.0.tgz#c4fa7c95404a17a9c3e8ca7e1537312b736330ac"
+  integrity sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA==
+
+deep-is@~0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
+  integrity sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=
+
+defaults@^1.0.0:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/defaults/-/defaults-1.0.3.tgz#c656051e9817d9ff08ed881477f3fe4019f3ef7d"
+  integrity sha1-xlYFHpgX2f8I7YgUd/P+QBnz730=
+  dependencies:
+    clone "^1.0.2"
+
+define-property@^0.2.5:
+  version "0.2.5"
+  resolved "https://registry.yarnpkg.com/define-property/-/define-property-0.2.5.tgz#c35b1ef918ec3c990f9a5bc57be04aacec5c8116"
+  integrity sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=
+  dependencies:
+    is-descriptor "^0.1.0"
+
+define-property@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/define-property/-/define-property-1.0.0.tgz#769ebaaf3f4a63aad3af9e8d304c9bbe79bfb0e6"
+  integrity sha1-dp66rz9KY6rTr56NMEybvnm/sOY=
+  dependencies:
+    is-descriptor "^1.0.0"
+
+define-property@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/define-property/-/define-property-2.0.2.tgz#d459689e8d654ba77e02a817f8710d702cb16e9d"
+  integrity sha512-jwK2UV4cnPpbcG7+VRARKTZPUWowwXA8bzH5NP6ud0oeAxyYPuGZUAC7hMugpCdz4BeSZl2Dl9k66CHJ/46ZYQ==
+  dependencies:
+    is-descriptor "^1.0.2"
+    isobject "^3.0.1"
+
+delegates@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
+  integrity sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=
+
+depd@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
+  integrity sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=
+
+deprecated@^0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/deprecated/-/deprecated-0.0.1.tgz#f9c9af5464afa1e7a971458a8bdef2aa94d5bb19"
+  integrity sha1-+cmvVGSvoeepcUWKi97yqpTVuxk=
+
+destroy@~1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
+  integrity sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=
+
+detect-file@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/detect-file/-/detect-file-1.0.0.tgz#f0d66d03672a825cb1b73bdb3fe62310c8e552b7"
+  integrity sha1-8NZtA2cqglyxtzvbP+YjEMjlUrc=
+
+detect-libc@^1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/detect-libc/-/detect-libc-1.0.3.tgz#fa137c4bd698edf55cd5cd02ac559f91a4c4ba9b"
+  integrity sha1-+hN8S9aY7fVc1c0CrFWfkaTEups=
+
+doctrine@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-2.1.0.tgz#5cd01fc101621b42c4cd7f5d1a66243716d3f39d"
+  integrity sha512-35mSku4ZXK0vfCuHEDAwt55dg2jNajHZ1odvF+8SSr82EsZY4QmXfuWso8oEd8zRhVObSN18aM0CjSdoBX7zIw==
+  dependencies:
+    esutils "^2.0.2"
+
+duplexer2@0.0.2:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/duplexer2/-/duplexer2-0.0.2.tgz#c614dcf67e2fb14995a91711e5a617e8a60a31db"
+  integrity sha1-xhTc9n4vsUmVqRcR5aYX6KYKMds=
+  dependencies:
+    readable-stream "~1.1.9"
+
+duplexer@~0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/duplexer/-/duplexer-0.1.1.tgz#ace6ff808c1ce66b57d1ebf97977acb02334cfc1"
+  integrity sha1-rOb/gIwc5mtX0ev5eXessCM0z8E=
+
+ee-first@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
+  integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
+
+encodeurl@~1.0.1, encodeurl@~1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
+  integrity sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=
+
+end-of-stream@~0.1.5:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-0.1.5.tgz#8e177206c3c80837d85632e8b9359dfe8b2f6eaf"
+  integrity sha1-jhdyBsPICDfYVjLouTWd/osvbq8=
+  dependencies:
+    once "~1.3.0"
+
+es5-ext@^0.10.14, es5-ext@^0.10.35, es5-ext@^0.10.9, es5-ext@~0.10.14:
+  version "0.10.49"
+  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.49.tgz#059a239de862c94494fec28f8150c977028c6c5e"
+  integrity sha512-3NMEhi57E31qdzmYp2jwRArIUsj1HI/RxbQ4bgnSB+AIKIxsAmTiK83bYMifIcpWvEc3P1X30DhUKOqEtF/kvg==
+  dependencies:
+    es6-iterator "~2.0.3"
+    es6-symbol "~3.1.1"
+    next-tick "^1.0.0"
+
+es6-iterator@^2.0.1, es6-iterator@~2.0.1, es6-iterator@~2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/es6-iterator/-/es6-iterator-2.0.3.tgz#a7de889141a05a94b0854403b2d0a0fbfa98f3b7"
+  integrity sha1-p96IkUGgWpSwhUQDstCg+/qY87c=
+  dependencies:
+    d "1"
+    es5-ext "^0.10.35"
+    es6-symbol "^3.1.1"
+
+es6-map@^0.1.3:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/es6-map/-/es6-map-0.1.5.tgz#9136e0503dcc06a301690f0bb14ff4e364e949f0"
+  integrity sha1-kTbgUD3MBqMBaQ8LsU/042TpSfA=
+  dependencies:
+    d "1"
+    es5-ext "~0.10.14"
+    es6-iterator "~2.0.1"
+    es6-set "~0.1.5"
+    es6-symbol "~3.1.1"
+    event-emitter "~0.3.5"
+
+es6-set@~0.1.5:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/es6-set/-/es6-set-0.1.5.tgz#d2b3ec5d4d800ced818db538d28974db0a73ccb1"
+  integrity sha1-0rPsXU2ADO2BjbU40ol02wpzzLE=
+  dependencies:
+    d "1"
+    es5-ext "~0.10.14"
+    es6-iterator "~2.0.1"
+    es6-symbol "3.1.1"
+    event-emitter "~0.3.5"
+
+es6-symbol@3.1.1, es6-symbol@^3.1.1, es6-symbol@~3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/es6-symbol/-/es6-symbol-3.1.1.tgz#bf00ef4fdab6ba1b46ecb7b629b4c7ed5715cc77"
+  integrity sha1-vwDvT9q2uhtG7Le2KbTH7VcVzHc=
+  dependencies:
+    d "1"
+    es5-ext "~0.10.14"
+
+es6-weak-map@^2.0.1:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/es6-weak-map/-/es6-weak-map-2.0.2.tgz#5e3ab32251ffd1538a1f8e5ffa1357772f92d96f"
+  integrity sha1-XjqzIlH/0VOKH45f+hNXdy+S2W8=
+  dependencies:
+    d "1"
+    es5-ext "^0.10.14"
+    es6-iterator "^2.0.1"
+    es6-symbol "^3.1.1"
+
+escape-html@~1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
+  integrity sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=
+
+escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.5, escape-string-regexp@~1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
+  integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
+
+escope@^3.6.0:
+  version "3.6.0"
+  resolved "https://registry.yarnpkg.com/escope/-/escope-3.6.0.tgz#e01975e812781a163a6dadfdd80398dc64c889c3"
+  integrity sha1-4Bl16BJ4GhY6ba392AOY3GTIicM=
+  dependencies:
+    es6-map "^0.1.3"
+    es6-weak-map "^2.0.1"
+    esrecurse "^4.1.0"
+    estraverse "^4.1.1"
+
+eslint@^3.0.0:
+  version "3.19.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-3.19.0.tgz#c8fc6201c7f40dd08941b87c085767386a679acc"
+  integrity sha1-yPxiAcf0DdCJQbh8CFdnOGpnmsw=
+  dependencies:
+    babel-code-frame "^6.16.0"
+    chalk "^1.1.3"
+    concat-stream "^1.5.2"
+    debug "^2.1.1"
+    doctrine "^2.0.0"
+    escope "^3.6.0"
+    espree "^3.4.0"
+    esquery "^1.0.0"
+    estraverse "^4.2.0"
+    esutils "^2.0.2"
+    file-entry-cache "^2.0.0"
+    glob "^7.0.3"
+    globals "^9.14.0"
+    ignore "^3.2.0"
+    imurmurhash "^0.1.4"
+    inquirer "^0.12.0"
+    is-my-json-valid "^2.10.0"
+    is-resolvable "^1.0.0"
+    js-yaml "^3.5.1"
+    json-stable-stringify "^1.0.0"
+    levn "^0.3.0"
+    lodash "^4.0.0"
+    mkdirp "^0.5.0"
+    natural-compare "^1.4.0"
+    optionator "^0.8.2"
+    path-is-inside "^1.0.1"
+    pluralize "^1.2.1"
+    progress "^1.1.8"
+    require-uncached "^1.0.2"
+    shelljs "^0.7.5"
+    strip-bom "^3.0.0"
+    strip-json-comments "~2.0.1"
+    table "^3.7.8"
+    text-table "~0.2.0"
+    user-home "^2.0.0"
+
+espree@^3.4.0:
+  version "3.5.4"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-3.5.4.tgz#b0f447187c8a8bed944b815a660bddf5deb5d1a7"
+  integrity sha512-yAcIQxtmMiB/jL32dzEp2enBeidsB7xWPLNiw3IIkpVds1P+h7qF9YwJq1yUNzp2OKXgAprs4F61ih66UsoD1A==
+  dependencies:
+    acorn "^5.5.0"
+    acorn-jsx "^3.0.0"
+
+esprima@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
+  integrity sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==
+
+esquery@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/esquery/-/esquery-1.0.1.tgz#406c51658b1f5991a5f9b62b1dc25b00e3e5c708"
+  integrity sha512-SmiyZ5zIWH9VM+SRUReLS5Q8a7GxtRdxEBVZpm98rJM7Sb+A9DVCndXfkeFUd3byderg+EbDkfnevfCwynWaNA==
+  dependencies:
+    estraverse "^4.0.0"
+
+esrecurse@^4.1.0:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/esrecurse/-/esrecurse-4.2.1.tgz#007a3b9fdbc2b3bb87e4879ea19c92fdbd3942cf"
+  integrity sha512-64RBB++fIOAXPw3P9cy89qfMlvZEXZkqqJkjqqXIvzP5ezRZjW+lPWjw35UX/3EhUPFYbg5ER4JYgDw4007/DQ==
+  dependencies:
+    estraverse "^4.1.0"
+
+estraverse@^4.0.0, estraverse@^4.1.0, estraverse@^4.1.1, estraverse@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.2.0.tgz#0dee3fed31fcd469618ce7342099fc1afa0bdb13"
+  integrity sha1-De4/7TH81GlhjOc0IJn8GvoL2xM=
+
+esutils@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
+  integrity sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs=
+
+etag@~1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
+  integrity sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=
+
+event-emitter@~0.3.5:
+  version "0.3.5"
+  resolved "https://registry.yarnpkg.com/event-emitter/-/event-emitter-0.3.5.tgz#df8c69eef1647923c7157b9ce83840610b02cc39"
+  integrity sha1-34xp7vFkeSPHFXuc6DhAYQsCzDk=
+  dependencies:
+    d "1"
+    es5-ext "~0.10.14"
+
+event-stream@3.3.4:
+  version "3.3.4"
+  resolved "https://registry.yarnpkg.com/event-stream/-/event-stream-3.3.4.tgz#4ab4c9a0f5a54db9338b4c34d86bfce8f4b35571"
+  integrity sha1-SrTJoPWlTbkzi0w02Gv86PSzVXE=
+  dependencies:
+    duplexer "~0.1.1"
+    from "~0"
+    map-stream "~0.1.0"
+    pause-stream "0.0.11"
+    split "0.3"
+    stream-combiner "~0.0.4"
+    through "~2.3.1"
+
+exit-hook@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/exit-hook/-/exit-hook-1.1.1.tgz#f05ca233b48c05d54fff07765df8507e95c02ff8"
+  integrity sha1-8FyiM7SMBdVP/wd2XfhQfpXAL/g=
+
+exit@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/exit/-/exit-0.1.2.tgz#0632638f8d877cc82107d30a0fff1a17cba1cd0c"
+  integrity sha1-BjJjj42HfMghB9MKD/8aF8uhzQw=
+
+expand-brackets@^2.1.4:
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-2.1.4.tgz#b77735e315ce30f6b6eff0f83b04151a22449622"
+  integrity sha1-t3c14xXOMPa27/D4OwQVGiJEliI=
+  dependencies:
+    debug "^2.3.3"
+    define-property "^0.2.5"
+    extend-shallow "^2.0.1"
+    posix-character-classes "^0.1.0"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.1"
+
+expand-tilde@^2.0.0, expand-tilde@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/expand-tilde/-/expand-tilde-2.0.2.tgz#97e801aa052df02454de46b02bf621642cdc8502"
+  integrity sha1-l+gBqgUt8CRU3kawK/YhZCzchQI=
+  dependencies:
+    homedir-polyfill "^1.0.1"
+
+extend-shallow@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/extend-shallow/-/extend-shallow-2.0.1.tgz#51af7d614ad9a9f610ea1bafbb989d6b1c56890f"
+  integrity sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=
+  dependencies:
+    is-extendable "^0.1.0"
+
+extend-shallow@^3.0.0, extend-shallow@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/extend-shallow/-/extend-shallow-3.0.2.tgz#26a71aaf073b39fb2127172746131c2704028db8"
+  integrity sha1-Jqcarwc7OfshJxcnRhMcJwQCjbg=
+  dependencies:
+    assign-symbols "^1.0.0"
+    is-extendable "^1.0.1"
+
+extend@^3.0.0:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
+  integrity sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==
+
+extglob@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/extglob/-/extglob-2.0.4.tgz#ad00fe4dc612a9232e8718711dc5cb5ab0285543"
+  integrity sha512-Nmb6QXkELsuBr24CJSkilo6UHHgbekK5UiZgfE6UHD3Eb27YC6oD+bhcT+tJ6cl8dmsgdQxnWlcry8ksBIBLpw==
+  dependencies:
+    array-unique "^0.3.2"
+    define-property "^1.0.0"
+    expand-brackets "^2.1.4"
+    extend-shallow "^2.0.1"
+    fragment-cache "^0.2.1"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.1"
+
+fancy-log@^1.1.0:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/fancy-log/-/fancy-log-1.3.3.tgz#dbc19154f558690150a23953a0adbd035be45fc7"
+  integrity sha512-k9oEhlyc0FrVh25qYuSELjr8oxsCoc4/LEZfg2iJJrfEk/tZL9bCoJE47gqAvI2m/AUjluCS4+3I0eTx8n3AEw==
+  dependencies:
+    ansi-gray "^0.1.1"
+    color-support "^1.1.3"
+    parse-node-version "^1.0.0"
+    time-stamp "^1.0.0"
+
+fast-levenshtein@~2.0.4:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
+  integrity sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=
+
+faye-websocket@0.11.x:
+  version "0.11.1"
+  resolved "https://registry.yarnpkg.com/faye-websocket/-/faye-websocket-0.11.1.tgz#f0efe18c4f56e4f40afc7e06c719fd5ee6188f38"
+  integrity sha1-8O/hjE9W5PQK/H4Gxxn9XuYYjzg=
+  dependencies:
+    websocket-driver ">=0.5.1"
+
+figures@^1.3.5:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/figures/-/figures-1.7.0.tgz#cbe1e3affcf1cd44b80cadfed28dc793a9701d2e"
+  integrity sha1-y+Hjr/zxzUS4DK3+0o3Hk6lwHS4=
+  dependencies:
+    escape-string-regexp "^1.0.5"
+    object-assign "^4.1.0"
+
+file-entry-cache@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/file-entry-cache/-/file-entry-cache-2.0.0.tgz#c392990c3e684783d838b8c84a45d8a048458361"
+  integrity sha1-w5KZDD5oR4PYOLjISkXYoEhFg2E=
+  dependencies:
+    flat-cache "^1.2.1"
+    object-assign "^4.0.1"
+
+filename-reserved-regex@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/filename-reserved-regex/-/filename-reserved-regex-1.0.0.tgz#e61cf805f0de1c984567d0386dc5df50ee5af7e4"
+  integrity sha1-5hz4BfDeHJhFZ9A4bcXfUO5a9+Q=
+
+filenamify-url@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/filenamify-url/-/filenamify-url-1.0.0.tgz#b32bd81319ef5863b73078bed50f46a4f7975f50"
+  integrity sha1-syvYExnvWGO3MHi+1Q9GpPeXX1A=
+  dependencies:
+    filenamify "^1.0.0"
+    humanize-url "^1.0.0"
+
+filenamify@^1.0.0:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/filenamify/-/filenamify-1.2.1.tgz#a9f2ffd11c503bed300015029272378f1f1365a5"
+  integrity sha1-qfL/0RxQO+0wABUCknI3jx8TZaU=
+  dependencies:
+    filename-reserved-regex "^1.0.0"
+    strip-outer "^1.0.0"
+    trim-repeated "^1.0.0"
+
+fill-range@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-4.0.0.tgz#d544811d428f98eb06a63dc402d2403c328c38f7"
+  integrity sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=
+  dependencies:
+    extend-shallow "^2.0.1"
+    is-number "^3.0.0"
+    repeat-string "^1.6.1"
+    to-regex-range "^2.1.0"
+
+finalhandler@1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-1.1.0.tgz#ce0b6855b45853e791b2fcc680046d88253dd7f5"
+  integrity sha1-zgtoVbRYU+eRsvzGgARtiCU91/U=
+  dependencies:
+    debug "2.6.9"
+    encodeurl "~1.0.1"
+    escape-html "~1.0.3"
+    on-finished "~2.3.0"
+    parseurl "~1.3.2"
+    statuses "~1.3.1"
+    unpipe "~1.0.0"
+
+find-index@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/find-index/-/find-index-0.1.1.tgz#675d358b2ca3892d795a1ab47232f8b6e2e0dde4"
+  integrity sha1-Z101iyyjiS15Whq0cjL4tuLg3eQ=
+
+findup-sync@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/findup-sync/-/findup-sync-2.0.0.tgz#9326b1488c22d1a6088650a86901b2d9a90a2cbc"
+  integrity sha1-kyaxSIwi0aYIhlCoaQGy2akKLLw=
+  dependencies:
+    detect-file "^1.0.0"
+    is-glob "^3.1.0"
+    micromatch "^3.0.4"
+    resolve-dir "^1.0.1"
+
+fined@^1.0.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/fined/-/fined-1.1.1.tgz#95d88ff329123dd1a6950fdfcd321f746271e01f"
+  integrity sha512-jQp949ZmEbiYHk3gkbdtpJ0G1+kgtLQBNdP5edFP7Fh+WAYceLQz6yO1SBj72Xkg8GVyTB3bBzAYrHJVh5Xd5g==
+  dependencies:
+    expand-tilde "^2.0.2"
+    is-plain-object "^2.0.3"
+    object.defaults "^1.1.0"
+    object.pick "^1.2.0"
+    parse-filepath "^1.0.1"
+
+first-chunk-stream@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/first-chunk-stream/-/first-chunk-stream-1.0.0.tgz#59bfb50cd905f60d7c394cd3d9acaab4e6ad934e"
+  integrity sha1-Wb+1DNkF9g18OUzT2ayqtOatk04=
+
+flagged-respawn@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/flagged-respawn/-/flagged-respawn-1.0.1.tgz#e7de6f1279ddd9ca9aac8a5971d618606b3aab41"
+  integrity sha512-lNaHNVymajmk0OJMBn8fVUAU1BtDeKIqKoVhk4xAALB57aALg6b4W0MfJ/cUE0g9YBXy5XhSlPIpYIJ7HaY/3Q==
+
+flat-cache@^1.2.1:
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/flat-cache/-/flat-cache-1.3.4.tgz#2c2ef77525cc2929007dfffa1dd314aa9c9dee6f"
+  integrity sha512-VwyB3Lkgacfik2vhqR4uv2rvebqmDvFu4jlN/C1RzWoJEo8I7z4Q404oiqYCkq41mni8EzQnm95emU9seckwtg==
+  dependencies:
+    circular-json "^0.3.1"
+    graceful-fs "^4.1.2"
+    rimraf "~2.6.2"
+    write "^0.2.1"
+
+for-in@^1.0.1, for-in@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
+  integrity sha1-gQaNKVqBQuwKxybG4iAMMPttXoA=
+
+for-own@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/for-own/-/for-own-1.0.0.tgz#c63332f415cedc4b04dbfe70cf836494c53cb44b"
+  integrity sha1-xjMy9BXO3EsE2/5wz4NklMU8tEs=
+  dependencies:
+    for-in "^1.0.1"
+
+fragment-cache@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/fragment-cache/-/fragment-cache-0.2.1.tgz#4290fad27f13e89be7f33799c6bc5a0abfff0d19"
+  integrity sha1-QpD60n8T6Jvn8zeZxrxaCr//DRk=
+  dependencies:
+    map-cache "^0.2.2"
+
+fresh@0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
+  integrity sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=
+
+from@~0:
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/from/-/from-0.1.7.tgz#83c60afc58b9c56997007ed1a768b3ab303a44fe"
+  integrity sha1-g8YK/Fi5xWmXAH7Rp2izqzA6RP4=
+
+fs-extra@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-5.0.0.tgz#414d0110cdd06705734d055652c5411260c31abd"
+  integrity sha512-66Pm4RYbjzdyeuqudYqhFiNBbCIuI9kgRqLPSHIlXHidW8NIQtVdkM1yeZ4lXwuhbTETv3EUGMNHAAw6hiundQ==
+  dependencies:
+    graceful-fs "^4.1.2"
+    jsonfile "^4.0.0"
+    universalify "^0.1.0"
+
+fs-minipass@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.5.tgz#06c277218454ec288df77ada54a03b8702aacb9d"
+  integrity sha512-JhBl0skXjUPCFH7x6x61gQxrKyXsxB5gcgePLZCwfyCGGsTISMoIeObbrvVeP6Xmyaudw4TT43qV2Gz+iyd2oQ==
+  dependencies:
+    minipass "^2.2.1"
+
+fs.realpath@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+  integrity sha1-FQStJSMVjKpA20onh8sBQRmU6k8=
+
+fsevents@^1.2.7:
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-1.2.7.tgz#4851b664a3783e52003b3c66eb0eee1074933aa4"
+  integrity sha512-Pxm6sI2MeBD7RdD12RYsqaP0nMiwx8eZBXCa6z2L+mRHm2DYrOYwihmhjpkdjUHwQhslWQjRpEgNq4XvBmaAuw==
+  dependencies:
+    nan "^2.9.2"
+    node-pre-gyp "^0.10.0"
+
+gauge@~2.7.3:
+  version "2.7.4"
+  resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.4.tgz#2c03405c7538c39d7eb37b317022e325fb018bf7"
+  integrity sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=
+  dependencies:
+    aproba "^1.0.3"
+    console-control-strings "^1.0.0"
+    has-unicode "^2.0.0"
+    object-assign "^4.1.0"
+    signal-exit "^3.0.0"
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+    wide-align "^1.1.0"
+
+gaze@^0.5.1:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/gaze/-/gaze-0.5.2.tgz#40b709537d24d1d45767db5a908689dfe69ac44f"
+  integrity sha1-QLcJU30k0dRXZ9takIaJ3+aaxE8=
+  dependencies:
+    globule "~0.1.0"
+
+generate-function@^2.0.0:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/generate-function/-/generate-function-2.3.1.tgz#f069617690c10c868e73b8465746764f97c3479f"
+  integrity sha512-eeB5GfMNeevm/GRYq20ShmsaGcmI81kIX2K9XQx5miC8KdHaC6Jm0qQ8ZNeGOi7wYB8OsdxKs+Y2oVuTFuVwKQ==
+  dependencies:
+    is-property "^1.0.2"
+
+generate-object-property@^1.1.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/generate-object-property/-/generate-object-property-1.2.0.tgz#9c0e1c40308ce804f4783618b937fa88f99d50d0"
+  integrity sha1-nA4cQDCM6AT0eDYYuTf6iPmdUNA=
+  dependencies:
+    is-property "^1.0.0"
+
+get-value@^2.0.3, get-value@^2.0.6:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/get-value/-/get-value-2.0.6.tgz#dc15ca1c672387ca76bd37ac0a395ba2042a2c28"
+  integrity sha1-3BXKHGcjh8p2vTesCjlbogQqLCg=
+
+gh-pages@^1.1.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/gh-pages/-/gh-pages-1.2.0.tgz#1acb92801078f7c038a167f447221d1496ccfbee"
+  integrity sha512-cGLYAvxtlQ1iTwAS4g7FreZPXoE/g62Fsxln2mmR19mgs4zZI+XJ+wVVUhBFCF/0+Nmvbq+abyTWue1m1BSnmg==
+  dependencies:
+    async "2.6.1"
+    commander "2.15.1"
+    filenamify-url "^1.0.0"
+    fs-extra "^5.0.0"
+    globby "^6.1.0"
+    graceful-fs "4.1.11"
+    rimraf "^2.6.2"
+
+glob-parent@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-3.1.0.tgz#9e6af6299d8d3bd2bd40430832bd113df906c5ae"
+  integrity sha1-nmr2KZ2NO9K9QEMIMr0RPfkGxa4=
+  dependencies:
+    is-glob "^3.1.0"
+    path-dirname "^1.0.0"
+
+glob-stream@^3.1.5:
+  version "3.1.18"
+  resolved "https://registry.yarnpkg.com/glob-stream/-/glob-stream-3.1.18.tgz#9170a5f12b790306fdfe598f313f8f7954fd143b"
+  integrity sha1-kXCl8St5Awb9/lmPMT+PeVT9FDs=
+  dependencies:
+    glob "^4.3.1"
+    glob2base "^0.0.12"
+    minimatch "^2.0.1"
+    ordered-read-streams "^0.1.0"
+    through2 "^0.6.1"
+    unique-stream "^1.0.0"
+
+glob-watcher@^0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/glob-watcher/-/glob-watcher-0.0.6.tgz#b95b4a8df74b39c83298b0c05c978b4d9a3b710b"
+  integrity sha1-uVtKjfdLOcgymLDAXJeLTZo7cQs=
+  dependencies:
+    gaze "^0.5.1"
+
+glob2base@^0.0.12:
+  version "0.0.12"
+  resolved "https://registry.yarnpkg.com/glob2base/-/glob2base-0.0.12.tgz#9d419b3e28f12e83a362164a277055922c9c0d56"
+  integrity sha1-nUGbPijxLoOjYhZKJ3BVkiycDVY=
+  dependencies:
+    find-index "^0.1.1"
+
+glob@^4.3.1:
+  version "4.5.3"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-4.5.3.tgz#c6cb73d3226c1efef04de3c56d012f03377ee15f"
+  integrity sha1-xstz0yJsHv7wTePFbQEvAzd+4V8=
+  dependencies:
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^2.0.1"
+    once "^1.3.0"
+
+glob@^7.0.0, glob@^7.0.3, glob@^7.0.6, glob@^7.1.3:
+  version "7.1.3"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.3.tgz#3960832d3f1574108342dafd3a67b332c0969df1"
+  integrity sha512-vcfuiIxogLV4DlGBHIUOwI0IbrJ8HWPc4MU7HzviGeNho/UJDfi6B5p3sHeWIQ0KGIU0Jpxi5ZHxemQfLkkAwQ==
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+glob@~3.1.21:
+  version "3.1.21"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-3.1.21.tgz#d29e0a055dea5138f4d07ed40e8982e83c2066cd"
+  integrity sha1-0p4KBV3qUTj00H7UDomC6DwgZs0=
+  dependencies:
+    graceful-fs "~1.2.0"
+    inherits "1"
+    minimatch "~0.2.11"
+
+global-modules@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/global-modules/-/global-modules-1.0.0.tgz#6d770f0eb523ac78164d72b5e71a8877265cc3ea"
+  integrity sha512-sKzpEkf11GpOFuw0Zzjzmt4B4UZwjOcG757PPvrfhxcLFbq0wpsgpOqxpxtxFiCG4DtG93M6XRVbF2oGdev7bg==
+  dependencies:
+    global-prefix "^1.0.1"
+    is-windows "^1.0.1"
+    resolve-dir "^1.0.0"
+
+global-prefix@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/global-prefix/-/global-prefix-1.0.2.tgz#dbf743c6c14992593c655568cb66ed32c0122ebe"
+  integrity sha1-2/dDxsFJklk8ZVVoy2btMsASLr4=
+  dependencies:
+    expand-tilde "^2.0.2"
+    homedir-polyfill "^1.0.1"
+    ini "^1.3.4"
+    is-windows "^1.0.1"
+    which "^1.2.14"
+
+globals@^9.14.0:
+  version "9.18.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-9.18.0.tgz#aa3896b3e69b487f17e31ed2143d69a8e30c2d8a"
+  integrity sha512-S0nG3CLEQiY/ILxqtztTWH/3iRRdyBLw6KMDxnKMchrtbj2OFmehVh0WUCfW3DUrIgx/qFrJPICrq4Z4sTR9UQ==
+
+globby@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/globby/-/globby-6.1.0.tgz#f5a6d70e8395e21c858fb0489d64df02424d506c"
+  integrity sha1-9abXDoOV4hyFj7BInWTfAkJNUGw=
+  dependencies:
+    array-union "^1.0.1"
+    glob "^7.0.3"
+    object-assign "^4.0.1"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+
+globule@~0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/globule/-/globule-0.1.0.tgz#d9c8edde1da79d125a151b79533b978676346ae5"
+  integrity sha1-2cjt3h2nnRJaFRt5UzuXhnY0auU=
+  dependencies:
+    glob "~3.1.21"
+    lodash "~1.0.1"
+    minimatch "~0.2.11"
+
+glogg@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/glogg/-/glogg-1.0.2.tgz#2d7dd702beda22eb3bffadf880696da6d846313f"
+  integrity sha512-5mwUoSuBk44Y4EshyiqcH95ZntbDdTQqA3QYSrxmzj28Ai0vXBGMH1ApSANH14j2sIRtqCEyg6PfsuP7ElOEDA==
+  dependencies:
+    sparkles "^1.0.0"
+
+graceful-fs@4.1.11:
+  version "4.1.11"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
+  integrity sha1-Dovf5NHduIVNZOBOp8AOKgJuVlg=
+
+graceful-fs@^3.0.0:
+  version "3.0.11"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-3.0.11.tgz#7613c778a1afea62f25c630a086d7f3acbbdd818"
+  integrity sha1-dhPHeKGv6mLyXGMKCG1/Osu92Bg=
+  dependencies:
+    natives "^1.1.0"
+
+graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
+  version "4.1.15"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.15.tgz#ffb703e1066e8a0eeaa4c8b80ba9253eeefbfb00"
+  integrity sha512-6uHUhOPEBgQ24HM+r6b/QwWfZq+yiFcipKFrOFiBEnWdy5sdzYoi+pJeQaPI5qOLRFqWmAXUPQNsielzdLoecA==
+
+graceful-fs@~1.2.0:
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-1.2.3.tgz#15a4806a57547cb2d2dbf27f42e89a8c3451b364"
+  integrity sha1-FaSAaldUfLLS2/J/QuiajDRRs2Q=
+
+gulp-eslint@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/gulp-eslint/-/gulp-eslint-3.0.1.tgz#04e57e3e18c6974267c12cf6855dc717d4a313bd"
+  integrity sha1-BOV+PhjGl0JnwSz2hV3HF9SjE70=
+  dependencies:
+    bufferstreams "^1.1.1"
+    eslint "^3.0.0"
+    gulp-util "^3.0.6"
+
+gulp-jasmine@^2.0.1:
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/gulp-jasmine/-/gulp-jasmine-2.4.2.tgz#5a7f47e27370c3619ac0a2a442be399671409db3"
+  integrity sha1-Wn9H4nNww2GawKKkQr45lnFAnbM=
+  dependencies:
+    arrify "^1.0.0"
+    gulp-util "^3.0.0"
+    jasmine "^2.3.0"
+    jasmine-terminal-reporter "^1.0.0"
+    through2 "^2.0.0"
+
+gulp-util@^3.0.0, gulp-util@^3.0.6:
+  version "3.0.8"
+  resolved "https://registry.yarnpkg.com/gulp-util/-/gulp-util-3.0.8.tgz#0054e1e744502e27c04c187c3ecc505dd54bbb4f"
+  integrity sha1-AFTh50RQLifATBh8PsxQXdVLu08=
+  dependencies:
+    array-differ "^1.0.0"
+    array-uniq "^1.0.2"
+    beeper "^1.0.0"
+    chalk "^1.0.0"
+    dateformat "^2.0.0"
+    fancy-log "^1.1.0"
+    gulplog "^1.0.0"
+    has-gulplog "^0.1.0"
+    lodash._reescape "^3.0.0"
+    lodash._reevaluate "^3.0.0"
+    lodash._reinterpolate "^3.0.0"
+    lodash.template "^3.0.0"
+    minimist "^1.1.0"
+    multipipe "^0.1.2"
+    object-assign "^3.0.0"
+    replace-ext "0.0.1"
+    through2 "^2.0.0"
+    vinyl "^0.5.0"
+
+gulp@^3.8.10:
+  version "3.9.1"
+  resolved "https://registry.yarnpkg.com/gulp/-/gulp-3.9.1.tgz#571ce45928dd40af6514fc4011866016c13845b4"
+  integrity sha1-VxzkWSjdQK9lFPxAEYZgFsE4RbQ=
+  dependencies:
+    archy "^1.0.0"
+    chalk "^1.0.0"
+    deprecated "^0.0.1"
+    gulp-util "^3.0.0"
+    interpret "^1.0.0"
+    liftoff "^2.1.0"
+    minimist "^1.1.0"
+    orchestrator "^0.3.0"
+    pretty-hrtime "^1.0.0"
+    semver "^4.1.0"
+    tildify "^1.0.0"
+    v8flags "^2.0.2"
+    vinyl-fs "^0.3.0"
+
+gulplog@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/gulplog/-/gulplog-1.0.0.tgz#e28c4d45d05ecbbed818363ce8f9c5926229ffe5"
+  integrity sha1-4oxNRdBey77YGDY86PnFkmIp/+U=
+  dependencies:
+    glogg "^1.0.0"
+
+has-ansi@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/has-ansi/-/has-ansi-2.0.0.tgz#34f5049ce1ecdf2b0649af3ef24e45ed35416d91"
+  integrity sha1-NPUEnOHs3ysGSa8+8k5F7TVBbZE=
+  dependencies:
+    ansi-regex "^2.0.0"
+
+has-gulplog@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/has-gulplog/-/has-gulplog-0.1.0.tgz#6414c82913697da51590397dafb12f22967811ce"
+  integrity sha1-ZBTIKRNpfaUVkDl9r7EvIpZ4Ec4=
+  dependencies:
+    sparkles "^1.0.0"
+
+has-unicode@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
+  integrity sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk=
+
+has-value@^0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/has-value/-/has-value-0.3.1.tgz#7b1f58bada62ca827ec0a2078025654845995e1f"
+  integrity sha1-ex9YutpiyoJ+wKIHgCVlSEWZXh8=
+  dependencies:
+    get-value "^2.0.3"
+    has-values "^0.1.4"
+    isobject "^2.0.0"
+
+has-value@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-value/-/has-value-1.0.0.tgz#18b281da585b1c5c51def24c930ed29a0be6b177"
+  integrity sha1-GLKB2lhbHFxR3vJMkw7SmgvmsXc=
+  dependencies:
+    get-value "^2.0.6"
+    has-values "^1.0.0"
+    isobject "^3.0.0"
+
+has-values@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/has-values/-/has-values-0.1.4.tgz#6d61de95d91dfca9b9a02089ad384bff8f62b771"
+  integrity sha1-bWHeldkd/Km5oCCJrThL/49it3E=
+
+has-values@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-values/-/has-values-1.0.0.tgz#95b0b63fec2146619a6fe57fe75628d5a39efe4f"
+  integrity sha1-lbC2P+whRmGab+V/51Yo1aOe/k8=
+  dependencies:
+    is-number "^3.0.0"
+    kind-of "^4.0.0"
+
+homedir-polyfill@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/homedir-polyfill/-/homedir-polyfill-1.0.3.tgz#743298cef4e5af3e194161fbadcc2151d3a058e8"
+  integrity sha512-eSmmWE5bZTK2Nou4g0AI3zZ9rswp7GRKoKXS1BLUkvPviOqs4YTN1djQIqrXy9k5gEtdLPy86JjRwsNM9tnDcA==
+  dependencies:
+    parse-passwd "^1.0.0"
+
+http-auth@3.1.x:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/http-auth/-/http-auth-3.1.3.tgz#945cfadd66521eaf8f7c84913d377d7b15f24e31"
+  integrity sha1-lFz63WZSHq+PfISRPTd9exXyTjE=
+  dependencies:
+    apache-crypt "^1.1.2"
+    apache-md5 "^1.0.6"
+    bcryptjs "^2.3.0"
+    uuid "^3.0.0"
+
+http-errors@~1.6.2:
+  version "1.6.3"
+  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.6.3.tgz#8b55680bb4be283a0b5bf4ea2e38580be1d9320d"
+  integrity sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=
+  dependencies:
+    depd "~1.1.2"
+    inherits "2.0.3"
+    setprototypeof "1.1.0"
+    statuses ">= 1.4.0 < 2"
+
+http-parser-js@>=0.4.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/http-parser-js/-/http-parser-js-0.5.0.tgz#d65edbede84349d0dc30320815a15d39cc3cbbd8"
+  integrity sha512-cZdEF7r4gfRIq7ezX9J0T+kQmJNOub71dWbgAXVHDct80TKP4MCETtZQ31xyv38UwgzkWPYF/Xc0ge55dW9Z9w==
+
+humanize-url@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/humanize-url/-/humanize-url-1.0.1.tgz#f4ab99e0d288174ca4e1e50407c55fbae464efff"
+  integrity sha1-9KuZ4NKIF0yk4eUEB8VfuuRk7/8=
+  dependencies:
+    normalize-url "^1.0.0"
+    strip-url-auth "^1.0.0"
+
+iconv-lite@^0.4.4:
+  version "0.4.24"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
+  integrity sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==
+  dependencies:
+    safer-buffer ">= 2.1.2 < 3"
+
+ignore-walk@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/ignore-walk/-/ignore-walk-3.0.1.tgz#a83e62e7d272ac0e3b551aaa82831a19b69f82f8"
+  integrity sha512-DTVlMx3IYPe0/JJcYP7Gxg7ttZZu3IInhuEhbchuqneY9wWe5Ojy2mXLBaQFUQmo0AW2r3qG7m1mg86js+gnlQ==
+  dependencies:
+    minimatch "^3.0.4"
+
+ignore@^3.2.0:
+  version "3.3.10"
+  resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.10.tgz#0a97fb876986e8081c631160f8f9f389157f0043"
+  integrity sha512-Pgs951kaMm5GXP7MOvxERINe3gsaVjUWFm+UZPSq9xYriQAksyhg0csnS0KXSNRD5NmNdapXEpjxG49+AKh/ug==
+
+imurmurhash@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
+  integrity sha1-khi5srkoojixPcT7a21XbyMUU+o=
+
+indent-string@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/indent-string/-/indent-string-2.1.0.tgz#8e2d48348742121b4a8218b7a137e9a52049dc80"
+  integrity sha1-ji1INIdCEhtKghi3oTfppSBJ3IA=
+  dependencies:
+    repeating "^2.0.0"
+
+inflight@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  integrity sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=
+  dependencies:
+    once "^1.3.0"
+    wrappy "1"
+
+inherits@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-1.0.2.tgz#ca4309dadee6b54cc0b8d247e8d7c7a0975bdc9b"
+  integrity sha1-ykMJ2t7mtUzAuNJH6NfHoJdb3Js=
+
+inherits@2, inherits@2.0.3, inherits@^2.0.3, inherits@~2.0.1, inherits@~2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+  integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
+
+ini@^1.3.4, ini@~1.3.0:
+  version "1.3.5"
+  resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
+  integrity sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw==
+
+inquirer@^0.12.0:
+  version "0.12.0"
+  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-0.12.0.tgz#1ef2bfd63504df0bc75785fff8c2c41df12f077e"
+  integrity sha1-HvK/1jUE3wvHV4X/+MLEHfEvB34=
+  dependencies:
+    ansi-escapes "^1.1.0"
+    ansi-regex "^2.0.0"
+    chalk "^1.0.0"
+    cli-cursor "^1.0.1"
+    cli-width "^2.0.0"
+    figures "^1.3.5"
+    lodash "^4.3.0"
+    readline2 "^1.0.1"
+    run-async "^0.1.0"
+    rx-lite "^3.1.2"
+    string-width "^1.0.1"
+    strip-ansi "^3.0.0"
+    through "^2.3.6"
+
+interpret@^1.0.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.2.0.tgz#d5061a6224be58e8083985f5014d844359576296"
+  integrity sha512-mT34yGKMNceBQUoVn7iCDKDntA7SC6gycMAWzGx1z/CMCTV7b2AAtXlo3nRyHZ1FelRkQbQjprHSYGwzLtkVbw==
+
+is-absolute@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-absolute/-/is-absolute-1.0.0.tgz#395e1ae84b11f26ad1795e73c17378e48a301576"
+  integrity sha512-dOWoqflvcydARa360Gvv18DZ/gRuHKi2NU/wU5X1ZFzdYfH29nkiNZsF3mp4OJ3H4yo9Mx8A/uAGNzpzPN3yBA==
+  dependencies:
+    is-relative "^1.0.0"
+    is-windows "^1.0.1"
+
+is-accessor-descriptor@^0.1.6:
+  version "0.1.6"
+  resolved "https://registry.yarnpkg.com/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz#a9e12cb3ae8d876727eeef3843f8a0897b5c98d6"
+  integrity sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=
+  dependencies:
+    kind-of "^3.0.2"
+
+is-accessor-descriptor@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz#169c2f6d3df1f992618072365c9b0ea1f6878656"
+  integrity sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==
+  dependencies:
+    kind-of "^6.0.0"
+
+is-binary-path@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-1.0.1.tgz#75f16642b480f187a711c814161fd3a4a7655898"
+  integrity sha1-dfFmQrSA8YenEcgUFh/TpKdlWJg=
+  dependencies:
+    binary-extensions "^1.0.0"
+
+is-buffer@^1.1.5:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
+  integrity sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==
+
+is-data-descriptor@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz#0b5ee648388e2c860282e793f1856fec3f301b56"
+  integrity sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=
+  dependencies:
+    kind-of "^3.0.2"
+
+is-data-descriptor@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz#d84876321d0e7add03990406abbbbd36ba9268c7"
+  integrity sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==
+  dependencies:
+    kind-of "^6.0.0"
+
+is-descriptor@^0.1.0:
+  version "0.1.6"
+  resolved "https://registry.yarnpkg.com/is-descriptor/-/is-descriptor-0.1.6.tgz#366d8240dde487ca51823b1ab9f07a10a78251ca"
+  integrity sha512-avDYr0SB3DwO9zsMov0gKCESFYqCnE4hq/4z3TdUlukEy5t9C0YRq7HLrsN52NAcqXKaepeCD0n+B0arnVG3Hg==
+  dependencies:
+    is-accessor-descriptor "^0.1.6"
+    is-data-descriptor "^0.1.4"
+    kind-of "^5.0.0"
+
+is-descriptor@^1.0.0, is-descriptor@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-descriptor/-/is-descriptor-1.0.2.tgz#3b159746a66604b04f8c81524ba365c5f14d86ec"
+  integrity sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==
+  dependencies:
+    is-accessor-descriptor "^1.0.0"
+    is-data-descriptor "^1.0.0"
+    kind-of "^6.0.2"
+
+is-extendable@^0.1.0, is-extendable@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/is-extendable/-/is-extendable-0.1.1.tgz#62b110e289a471418e3ec36a617d472e301dfc89"
+  integrity sha1-YrEQ4omkcUGOPsNqYX1HLjAd/Ik=
+
+is-extendable@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-extendable/-/is-extendable-1.0.1.tgz#a7470f9e426733d81bd81e1155264e3a3507cab4"
+  integrity sha512-arnXMxT1hhoKo9k1LZdmlNyJdDDfy2v0fXjFlmok4+i8ul/6WlbVge9bhM74OpNPQPMGUToDtz+KXa1PneJxOA==
+  dependencies:
+    is-plain-object "^2.0.4"
+
+is-extglob@^2.1.0, is-extglob@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-2.1.1.tgz#a88c02535791f02ed37c76a1b9ea9773c833f8c2"
+  integrity sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=
+
+is-finite@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-finite/-/is-finite-1.0.2.tgz#cc6677695602be550ef11e8b4aa6305342b6d0aa"
+  integrity sha1-zGZ3aVYCvlUO8R6LSqYwU0K20Ko=
+  dependencies:
+    number-is-nan "^1.0.0"
+
+is-fullwidth-code-point@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz#ef9e31386f031a7f0d643af82fde50c457ef00cb"
+  integrity sha1-754xOG8DGn8NZDr4L95QxFfvAMs=
+  dependencies:
+    number-is-nan "^1.0.0"
+
+is-fullwidth-code-point@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz#a3b30a5c4f199183167aaab93beefae3ddfb654f"
+  integrity sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=
+
+is-glob@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-3.1.0.tgz#7ba5ae24217804ac70707b96922567486cc3e84a"
+  integrity sha1-e6WuJCF4BKxwcHuWkiVnSGzD6Eo=
+  dependencies:
+    is-extglob "^2.1.0"
+
+is-glob@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-4.0.0.tgz#9521c76845cc2610a85203ddf080a958c2ffabc0"
+  integrity sha1-lSHHaEXMJhCoUgPd8ICpWML/q8A=
+  dependencies:
+    is-extglob "^2.1.1"
+
+is-my-ip-valid@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-my-ip-valid/-/is-my-ip-valid-1.0.0.tgz#7b351b8e8edd4d3995d4d066680e664d94696824"
+  integrity sha512-gmh/eWXROncUzRnIa1Ubrt5b8ep/MGSnfAUI3aRp+sqTCs1tv1Isl8d8F6JmkN3dXKc3ehZMrtiPN9eL03NuaQ==
+
+is-my-json-valid@^2.10.0:
+  version "2.19.0"
+  resolved "https://registry.yarnpkg.com/is-my-json-valid/-/is-my-json-valid-2.19.0.tgz#8fd6e40363cd06b963fa877d444bfb5eddc62175"
+  integrity sha512-mG0f/unGX1HZ5ep4uhRaPOS8EkAY8/j6mDRMJrutq4CqhoJWYp7qAlonIPy3TV7p3ju4TK9fo/PbnoksWmsp5Q==
+  dependencies:
+    generate-function "^2.0.0"
+    generate-object-property "^1.1.0"
+    is-my-ip-valid "^1.0.0"
+    jsonpointer "^4.0.0"
+    xtend "^4.0.0"
+
+is-number@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-3.0.0.tgz#24fd6201a4782cf50561c810276afc7d12d71195"
+  integrity sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=
+  dependencies:
+    kind-of "^3.0.2"
+
+is-plain-obj@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-plain-obj/-/is-plain-obj-1.1.0.tgz#71a50c8429dfca773c92a390a4a03b39fcd51d3e"
+  integrity sha1-caUMhCnfync8kqOQpKA7OfzVHT4=
+
+is-plain-object@^2.0.1, is-plain-object@^2.0.3, is-plain-object@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/is-plain-object/-/is-plain-object-2.0.4.tgz#2c163b3fafb1b606d9d17928f05c2a1c38e07677"
+  integrity sha512-h5PpgXkWitc38BBMYawTYMWJHFZJVnBquFE57xFpjB8pJFiF6gZ+bU+WyI/yqXiFR5mdLsgYNaPe8uao6Uv9Og==
+  dependencies:
+    isobject "^3.0.1"
+
+is-property@^1.0.0, is-property@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-property/-/is-property-1.0.2.tgz#57fe1c4e48474edd65b09911f26b1cd4095dda84"
+  integrity sha1-V/4cTkhHTt1lsJkR8msc1Ald2oQ=
+
+is-relative@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-relative/-/is-relative-1.0.0.tgz#a1bb6935ce8c5dba1e8b9754b9b2dcc020e2260d"
+  integrity sha512-Kw/ReK0iqwKeu0MITLFuj0jbPAmEiOsIwyIXvvbfa6QfmN9pkD1M+8pdk7Rl/dTKbH34/XBFMbgD4iMJhLQbGA==
+  dependencies:
+    is-unc-path "^1.0.0"
+
+is-resolvable@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-resolvable/-/is-resolvable-1.1.0.tgz#fb18f87ce1feb925169c9a407c19318a3206ed88"
+  integrity sha512-qgDYXFSR5WvEfuS5dMj6oTMEbrrSaM0CrFk2Yiq/gXnBvD9pMa2jGXxyhGLfvhZpuMZe18CJpFxAt3CRs42NMg==
+
+is-unc-path@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-unc-path/-/is-unc-path-1.0.0.tgz#d731e8898ed090a12c352ad2eaed5095ad322c9d"
+  integrity sha512-mrGpVd0fs7WWLfVsStvgF6iEJnbjDFZh9/emhRDcGWTduTfNHd9CHeUwH3gYIjdbwo4On6hunkztwOaAw0yllQ==
+  dependencies:
+    unc-path-regex "^0.1.2"
+
+is-utf8@^0.2.0:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
+  integrity sha1-Sw2hRCEE0bM2NA6AeX6GXPOffXI=
+
+is-windows@^1.0.1, is-windows@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.2.tgz#d1850eb9791ecd18e6182ce12a30f396634bb19d"
+  integrity sha512-eXK1UInq2bPmjyX6e3VHIzMLobc4J94i4AWn+Hpq3OU5KkrRC96OAcR3PRJ/pGu6m8TRnBHP9dkXQVsT/COVIA==
+
+is-wsl@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-wsl/-/is-wsl-1.1.0.tgz#1f16e4aa22b04d1336b66188a66af3c600c3a66d"
+  integrity sha1-HxbkqiKwTRM2tmGIpmrzxgDDpm0=
+
+isarray@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
+  integrity sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=
+
+isarray@1.0.0, isarray@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
+  integrity sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=
+
+isexe@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/isexe/-/isexe-2.0.0.tgz#e8fbf374dc556ff8947a10dcb0572d633f2cfa10"
+  integrity sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=
+
+isobject@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/isobject/-/isobject-2.1.0.tgz#f065561096a3f1da2ef46272f815c840d87e0c89"
+  integrity sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=
+  dependencies:
+    isarray "1.0.0"
+
+isobject@^3.0.0, isobject@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/isobject/-/isobject-3.0.1.tgz#4e431e92b11a9731636aa1f9c8d1ccbcfdab78df"
+  integrity sha1-TkMekrEalzFjaqH5yNHMvP2reN8=
+
+jasmine-core@~2.99.0:
+  version "2.99.1"
+  resolved "https://registry.yarnpkg.com/jasmine-core/-/jasmine-core-2.99.1.tgz#e6400df1e6b56e130b61c4bcd093daa7f6e8ca15"
+  integrity sha1-5kAN8ea1bhMLYcS80JPap/boyhU=
+
+jasmine-terminal-reporter@^1.0.0:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/jasmine-terminal-reporter/-/jasmine-terminal-reporter-1.0.3.tgz#896f1ec8fdf4bf6aecdd41c503eda7347f61526b"
+  integrity sha1-iW8eyP30v2rs3UHFA+2nNH9hUms=
+  dependencies:
+    indent-string "^2.1.0"
+    pluralize "^1.2.1"
+
+jasmine@^2.3.0:
+  version "2.99.0"
+  resolved "https://registry.yarnpkg.com/jasmine/-/jasmine-2.99.0.tgz#8ca72d102e639b867c6489856e0e18a9c7aa42b7"
+  integrity sha1-jKctEC5jm4Z8ZImFbg4YqceqQrc=
+  dependencies:
+    exit "^0.1.2"
+    glob "^7.0.6"
+    jasmine-core "~2.99.0"
+
+js-tokens@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
+  integrity sha1-mGbfOVECEw449/mWvOtlRDIJwls=
+
+js-yaml@^3.5.1:
+  version "3.13.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.0.tgz#38ee7178ac0eea2c97ff6d96fff4b18c7d8cf98e"
+  integrity sha512-pZZoSxcCYco+DIKBTimr67J6Hy+EYGZDY/HCWC+iAEA9h1ByhMXAIVUXMcMFpOCxQ/xjXmPI2MkDL5HRm5eFrQ==
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^4.0.0"
+
+js2xmlparser@~3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/js2xmlparser/-/js2xmlparser-3.0.0.tgz#3fb60eaa089c5440f9319f51760ccd07e2499733"
+  integrity sha1-P7YOqgicVED5MZ9RdgzNB+JJlzM=
+  dependencies:
+    xmlcreate "^1.0.1"
+
+jsdoc@3.5.5:
+  version "3.5.5"
+  resolved "https://registry.yarnpkg.com/jsdoc/-/jsdoc-3.5.5.tgz#484521b126e81904d632ff83ec9aaa096708fa4d"
+  integrity sha512-6PxB65TAU4WO0Wzyr/4/YhlGovXl0EVYfpKbpSroSj0qBxT4/xod/l40Opkm38dRHRdQgdeY836M0uVnJQG7kg==
+  dependencies:
+    babylon "7.0.0-beta.19"
+    bluebird "~3.5.0"
+    catharsis "~0.8.9"
+    escape-string-regexp "~1.0.5"
+    js2xmlparser "~3.0.0"
+    klaw "~2.0.0"
+    marked "~0.3.6"
+    mkdirp "~0.5.1"
+    requizzle "~0.2.1"
+    strip-json-comments "~2.0.1"
+    taffydb "2.6.2"
+    underscore "~1.8.3"
+
+json-stable-stringify@^1.0.0, json-stable-stringify@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz#9a759d39c5f2ff503fd5300646ed445f88c4f9af"
+  integrity sha1-mnWdOcXy/1A/1TAGRu1EX4jE+a8=
+  dependencies:
+    jsonify "~0.0.0"
+
+jsonfile@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-4.0.0.tgz#8771aae0799b64076b76640fca058f9c10e33ecb"
+  integrity sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=
+  optionalDependencies:
+    graceful-fs "^4.1.6"
+
+jsonify@~0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/jsonify/-/jsonify-0.0.0.tgz#2c74b6ee41d93ca51b7b5aaee8f503631d252a73"
+  integrity sha1-LHS27kHZPKUbe1qu6PUDYx0lKnM=
+
+jsonpointer@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/jsonpointer/-/jsonpointer-4.0.1.tgz#4fd92cb34e0e9db3c89c8622ecf51f9b978c6cb9"
+  integrity sha1-T9kss04OnbPInIYi7PUfm5eMbLk=
+
+kind-of@^3.0.2, kind-of@^3.0.3, kind-of@^3.2.0:
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.2.2.tgz#31ea21a734bab9bbb0f32466d893aea51e4a3c64"
+  integrity sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=
+  dependencies:
+    is-buffer "^1.1.5"
+
+kind-of@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-4.0.0.tgz#20813df3d712928b207378691a45066fae72dd57"
+  integrity sha1-IIE989cSkosgc3hpGkUGb65y3Vc=
+  dependencies:
+    is-buffer "^1.1.5"
+
+kind-of@^5.0.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-5.1.0.tgz#729c91e2d857b7a419a1f9aa65685c4c33f5845d"
+  integrity sha512-NGEErnH6F2vUuXDh+OlbcKW7/wOcfdRHaZ7VWtqCztfHri/++YKmP51OdWeGPuqCOba6kk2OTe5d02VmTB80Pw==
+
+kind-of@^6.0.0, kind-of@^6.0.2:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-6.0.2.tgz#01146b36a6218e64e58f3a8d66de5d7fc6f6d051"
+  integrity sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==
+
+klaw@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/klaw/-/klaw-2.0.0.tgz#59c128e0dc5ce410201151194eeb9cbf858650f6"
+  integrity sha1-WcEo4Nxc5BAgEVEZTuucv4WGUPY=
+  dependencies:
+    graceful-fs "^4.1.9"
+
+levn@^0.3.0, levn@~0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/levn/-/levn-0.3.0.tgz#3b09924edf9f083c0490fdd4c0bc4421e04764ee"
+  integrity sha1-OwmSTt+fCDwEkP3UwLxEIeBHZO4=
+  dependencies:
+    prelude-ls "~1.1.2"
+    type-check "~0.3.2"
+
+liftoff@^2.1.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/liftoff/-/liftoff-2.5.0.tgz#2009291bb31cea861bbf10a7c15a28caf75c31ec"
+  integrity sha1-IAkpG7Mc6oYbvxCnwVooyvdcMew=
+  dependencies:
+    extend "^3.0.0"
+    findup-sync "^2.0.0"
+    fined "^1.0.1"
+    flagged-respawn "^1.0.0"
+    is-plain-object "^2.0.4"
+    object.map "^1.0.0"
+    rechoir "^0.6.2"
+    resolve "^1.1.7"
+
+live-server@^1.2.0:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/live-server/-/live-server-1.2.1.tgz#670630dd409d22fe9c513ab1c1894686c757153e"
+  integrity sha512-Yn2XCVjErTkqnM3FfTmM7/kWy3zP7+cEtC7x6u+wUzlQ+1UW3zEYbbyJrc0jNDwiMDZI0m4a0i3dxlGHVyXczw==
+  dependencies:
+    chokidar "^2.0.4"
+    colors latest
+    connect "^3.6.6"
+    cors latest
+    event-stream "3.3.4"
+    faye-websocket "0.11.x"
+    http-auth "3.1.x"
+    morgan "^1.9.1"
+    object-assign latest
+    opn latest
+    proxy-middleware latest
+    send latest
+    serve-index "^1.9.1"
+
+lodash._basecopy@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/lodash._basecopy/-/lodash._basecopy-3.0.1.tgz#8da0e6a876cf344c0ad8a54882111dd3c5c7ca36"
+  integrity sha1-jaDmqHbPNEwK2KVIghEd08XHyjY=
+
+lodash._basetostring@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/lodash._basetostring/-/lodash._basetostring-3.0.1.tgz#d1861d877f824a52f669832dcaf3ee15566a07d5"
+  integrity sha1-0YYdh3+CSlL2aYMtyvPuFVZqB9U=
+
+lodash._basevalues@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/lodash._basevalues/-/lodash._basevalues-3.0.0.tgz#5b775762802bde3d3297503e26300820fdf661b7"
+  integrity sha1-W3dXYoAr3j0yl1A+JjAIIP32Ybc=
+
+lodash._getnative@^3.0.0:
+  version "3.9.1"
+  resolved "https://registry.yarnpkg.com/lodash._getnative/-/lodash._getnative-3.9.1.tgz#570bc7dede46d61cdcde687d65d3eecbaa3aaff5"
+  integrity sha1-VwvH3t5G1hzc3mh9ZdPuy6o6r/U=
+
+lodash._isiterateecall@^3.0.0:
+  version "3.0.9"
+  resolved "https://registry.yarnpkg.com/lodash._isiterateecall/-/lodash._isiterateecall-3.0.9.tgz#5203ad7ba425fae842460e696db9cf3e6aac057c"
+  integrity sha1-UgOte6Ql+uhCRg5pbbnPPmqsBXw=
+
+lodash._reescape@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/lodash._reescape/-/lodash._reescape-3.0.0.tgz#2b1d6f5dfe07c8a355753e5f27fac7f1cde1616a"
+  integrity sha1-Kx1vXf4HyKNVdT5fJ/rH8c3hYWo=
+
+lodash._reevaluate@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/lodash._reevaluate/-/lodash._reevaluate-3.0.0.tgz#58bc74c40664953ae0b124d806996daca431e2ed"
+  integrity sha1-WLx0xAZklTrgsSTYBpltrKQx4u0=
+
+lodash._reinterpolate@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz#0ccf2d89166af03b3663c796538b75ac6e114d9d"
+  integrity sha1-DM8tiRZq8Ds2Y8eWU4t1rG4RTZ0=
+
+lodash._root@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/lodash._root/-/lodash._root-3.0.1.tgz#fba1c4524c19ee9a5f8136b4609f017cf4ded692"
+  integrity sha1-+6HEUkwZ7ppfgTa0YJ8BfPTe1pI=
+
+lodash.escape@^3.0.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/lodash.escape/-/lodash.escape-3.2.0.tgz#995ee0dc18c1b48cc92effae71a10aab5b487698"
+  integrity sha1-mV7g3BjBtIzJLv+ucaEKq1tIdpg=
+  dependencies:
+    lodash._root "^3.0.0"
+
+lodash.isarguments@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/lodash.isarguments/-/lodash.isarguments-3.1.0.tgz#2f573d85c6a24289ff00663b491c1d338ff3458a"
+  integrity sha1-L1c9hcaiQon/AGY7SRwdM4/zRYo=
+
+lodash.isarray@^3.0.0:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/lodash.isarray/-/lodash.isarray-3.0.4.tgz#79e4eb88c36a8122af86f844aa9bcd851b5fbb55"
+  integrity sha1-eeTriMNqgSKvhvhEqpvNhRtfu1U=
+
+lodash.keys@^3.0.0:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/lodash.keys/-/lodash.keys-3.1.2.tgz#4dbc0472b156be50a0b286855d1bd0b0c656098a"
+  integrity sha1-TbwEcrFWvlCgsoaFXRvQsMZWCYo=
+  dependencies:
+    lodash._getnative "^3.0.0"
+    lodash.isarguments "^3.0.0"
+    lodash.isarray "^3.0.0"
+
+lodash.restparam@^3.0.0:
+  version "3.6.1"
+  resolved "https://registry.yarnpkg.com/lodash.restparam/-/lodash.restparam-3.6.1.tgz#936a4e309ef330a7645ed4145986c85ae5b20805"
+  integrity sha1-k2pOMJ7zMKdkXtQUWYbIWuWyCAU=
+
+lodash.template@^3.0.0:
+  version "3.6.2"
+  resolved "https://registry.yarnpkg.com/lodash.template/-/lodash.template-3.6.2.tgz#f8cdecc6169a255be9098ae8b0c53d378931d14f"
+  integrity sha1-+M3sxhaaJVvpCYrosMU9N4kx0U8=
+  dependencies:
+    lodash._basecopy "^3.0.0"
+    lodash._basetostring "^3.0.0"
+    lodash._basevalues "^3.0.0"
+    lodash._isiterateecall "^3.0.0"
+    lodash._reinterpolate "^3.0.0"
+    lodash.escape "^3.0.0"
+    lodash.keys "^3.0.0"
+    lodash.restparam "^3.0.0"
+    lodash.templatesettings "^3.0.0"
+
+lodash.templatesettings@^3.0.0:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/lodash.templatesettings/-/lodash.templatesettings-3.1.1.tgz#fb307844753b66b9f1afa54e262c745307dba8e5"
+  integrity sha1-+zB4RHU7Zrnxr6VOJix0UwfbqOU=
+  dependencies:
+    lodash._reinterpolate "^3.0.0"
+    lodash.escape "^3.0.0"
+
+lodash@^4.0.0, lodash@^4.17.10, lodash@^4.3.0:
+  version "4.17.11"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
+  integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
+
+lodash@~1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-1.0.2.tgz#8f57560c83b59fc270bd3d561b690043430e2551"
+  integrity sha1-j1dWDIO1n8JwvT1WG2kAQ0MOJVE=
+
+lru-cache@2:
+  version "2.7.3"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-2.7.3.tgz#6d4524e8b955f95d4f5b58851ce21dd72fb4e952"
+  integrity sha1-bUUk6LlV+V1PW1iFHOId1y+06VI=
+
+make-iterator@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/make-iterator/-/make-iterator-1.0.1.tgz#29b33f312aa8f547c4a5e490f56afcec99133ad6"
+  integrity sha512-pxiuXh0iVEq7VM7KMIhs5gxsfxCux2URptUQaXo4iZZJxBAzTPOLE2BumO5dbfVYq/hBJFBR/a1mFDmOx5AGmw==
+  dependencies:
+    kind-of "^6.0.2"
+
+map-cache@^0.2.0, map-cache@^0.2.2:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/map-cache/-/map-cache-0.2.2.tgz#c32abd0bd6525d9b051645bb4f26ac5dc98a0dbf"
+  integrity sha1-wyq9C9ZSXZsFFkW7TyasXcmKDb8=
+
+map-stream@~0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/map-stream/-/map-stream-0.1.0.tgz#e56aa94c4c8055a16404a0674b78f215f7c8e194"
+  integrity sha1-5WqpTEyAVaFkBKBnS3jyFffI4ZQ=
+
+map-visit@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/map-visit/-/map-visit-1.0.0.tgz#ecdca8f13144e660f1b5bd41f12f3479d98dfb8f"
+  integrity sha1-7Nyo8TFE5mDxtb1B8S80edmN+48=
+  dependencies:
+    object-visit "^1.0.0"
+
+marked@~0.3.6:
+  version "0.3.19"
+  resolved "https://registry.yarnpkg.com/marked/-/marked-0.3.19.tgz#5d47f709c4c9fc3c216b6d46127280f40b39d790"
+  integrity sha512-ea2eGWOqNxPcXv8dyERdSr/6FmzvWwzjMxpfGB/sbMccXoct+xY+YukPD+QTUZwyvK7BZwcr4m21WBOW41pAkg==
+
+micromatch@^3.0.4, micromatch@^3.1.10, micromatch@^3.1.4:
+  version "3.1.10"
+  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"
+  integrity sha512-MWikgl9n9M3w+bpsY3He8L+w9eF9338xRl8IAO5viDizwSzziFEyUzo2xrrloB64ADbTf8uA8vRqqttDTOmccg==
+  dependencies:
+    arr-diff "^4.0.0"
+    array-unique "^0.3.2"
+    braces "^2.3.1"
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    extglob "^2.0.4"
+    fragment-cache "^0.2.1"
+    kind-of "^6.0.2"
+    nanomatch "^1.2.9"
+    object.pick "^1.3.0"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.2"
+
+mime-db@~1.38.0:
+  version "1.38.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.38.0.tgz#1a2aab16da9eb167b49c6e4df2d9c68d63d8e2ad"
+  integrity sha512-bqVioMFFzc2awcdJZIzR3HjZFX20QhilVS7hytkKrv7xFAn8bM1gzc/FOX2awLISvWe0PV8ptFKcon+wZ5qYkg==
+
+mime-types@~2.1.17, mime-types@~2.1.18:
+  version "2.1.22"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.22.tgz#fe6b355a190926ab7698c9a0556a11199b2199bd"
+  integrity sha512-aGl6TZGnhm/li6F7yx82bJiBZwgiEa4Hf6CNr8YO+r5UHr53tSTYZb102zyU50DOWWKeOv0uQLRL0/9EiKWCog==
+  dependencies:
+    mime-db "~1.38.0"
+
+mime@1.4.1:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-1.4.1.tgz#121f9ebc49e3766f311a76e1fa1c8003c4b03aa6"
+  integrity sha512-KI1+qOZu5DcW6wayYHSzR/tXKCDC5Om4s1z2QJjDULzLcmf3DvzS7oluY4HCTrc+9FiKmWUgeNLg7W3uIQvxtQ==
+
+minimatch@^2.0.1:
+  version "2.0.10"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-2.0.10.tgz#8d087c39c6b38c001b97fca7ce6d0e1e80afbac7"
+  integrity sha1-jQh8OcazjAAbl/ynzm0OHoCvusc=
+  dependencies:
+    brace-expansion "^1.0.0"
+
+minimatch@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+  integrity sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==
+  dependencies:
+    brace-expansion "^1.1.7"
+
+minimatch@~0.2.11:
+  version "0.2.14"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-0.2.14.tgz#c74e780574f63c6f9a090e90efbe6ef53a6a756a"
+  integrity sha1-x054BXT2PG+aCQ6Q775u9TpqdWo=
+  dependencies:
+    lru-cache "2"
+    sigmund "~1.0.0"
+
+minimist@0.0.8:
+  version "0.0.8"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+  integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
+
+minimist@^1.1.0, minimist@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+  integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
+
+minipass@^2.2.1, minipass@^2.3.4:
+  version "2.3.5"
+  resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.3.5.tgz#cacebe492022497f656b0f0f51e2682a9ed2d848"
+  integrity sha512-Gi1W4k059gyRbyVUZQ4mEqLm0YIUiGYfvxhF6SIlk3ui1WVxMTGfGdQ2SInh3PDrRTVvPKgULkpJtT4RH10+VA==
+  dependencies:
+    safe-buffer "^5.1.2"
+    yallist "^3.0.0"
+
+minizlib@^1.1.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.2.1.tgz#dd27ea6136243c7c880684e8672bb3a45fd9b614"
+  integrity sha512-7+4oTUOWKg7AuL3vloEWekXY2/D20cevzsrNT2kGWm+39J9hGTCBv8VI5Pm5lXZ/o3/mdR4f8rflAPhnQb8mPA==
+  dependencies:
+    minipass "^2.2.1"
+
+mixin-deep@^1.2.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/mixin-deep/-/mixin-deep-1.3.1.tgz#a49e7268dce1a0d9698e45326c5626df3543d0fe"
+  integrity sha512-8ZItLHeEgaqEvd5lYBXfm4EZSFCX29Jb9K+lAHhDKzReKBQKj3R+7NOF6tjqYi9t4oI8VUfaWITJQm86wnXGNQ==
+  dependencies:
+    for-in "^1.0.2"
+    is-extendable "^1.0.1"
+
+mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  integrity sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=
+  dependencies:
+    minimist "0.0.8"
+
+morgan@^1.9.1:
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/morgan/-/morgan-1.9.1.tgz#0a8d16734a1d9afbc824b99df87e738e58e2da59"
+  integrity sha512-HQStPIV4y3afTiCYVxirakhlCfGkI161c76kKFca7Fk1JusM//Qeo1ej2XaMniiNeaZklMVrh3vTtIzpzwbpmA==
+  dependencies:
+    basic-auth "~2.0.0"
+    debug "2.6.9"
+    depd "~1.1.2"
+    on-finished "~2.3.0"
+    on-headers "~1.0.1"
+
+ms@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
+  integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
+
+multipipe@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/multipipe/-/multipipe-0.1.2.tgz#2a8f2ddf70eed564dff2d57f1e1a137d9f05078b"
+  integrity sha1-Ko8t33Du1WTf8tV/HhoTfZ8FB4s=
+  dependencies:
+    duplexer2 "0.0.2"
+
+mute-stream@0.0.5:
+  version "0.0.5"
+  resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.5.tgz#8fbfabb0a98a253d3184331f9e8deb7372fac6c0"
+  integrity sha1-j7+rsKmKJT0xhDMfno3rc3L6xsA=
+
+nan@^2.9.2:
+  version "2.13.2"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.13.2.tgz#f51dc7ae66ba7d5d55e1e6d4d8092e802c9aefe7"
+  integrity sha512-TghvYc72wlMGMVMluVo9WRJc0mB8KxxF/gZ4YYFy7V2ZQX9l7rgbPg7vjS9mt6U5HXODVFVI2bOduCzwOMv/lw==
+
+nanomatch@^1.2.9:
+  version "1.2.13"
+  resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.13.tgz#b87a8aa4fc0de8fe6be88895b38983ff265bd119"
+  integrity sha512-fpoe2T0RbHwBTBUOftAfBPaDEi06ufaUai0mE6Yn1kacc3SnTErfb/h+X94VXzI64rKFHYImXSvdwGGCmwOqCA==
+  dependencies:
+    arr-diff "^4.0.0"
+    array-unique "^0.3.2"
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    fragment-cache "^0.2.1"
+    is-windows "^1.0.2"
+    kind-of "^6.0.2"
+    object.pick "^1.3.0"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.1"
+
+natives@^1.1.0:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/natives/-/natives-1.1.6.tgz#a603b4a498ab77173612b9ea1acdec4d980f00bb"
+  integrity sha512-6+TDFewD4yxY14ptjKaS63GVdtKiES1pTPyxn9Jb0rBqPMZ7VcCiooEhPNsr+mqHtMGxa/5c/HhcC4uPEUw/nA==
+
+natural-compare@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
+  integrity sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=
+
+needle@^2.2.1:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/needle/-/needle-2.2.4.tgz#51931bff82533b1928b7d1d69e01f1b00ffd2a4e"
+  integrity sha512-HyoqEb4wr/rsoaIDfTH2aVL9nWtQqba2/HvMv+++m8u0dz808MaagKILxtfeSN7QU7nvbQ79zk3vYOJp9zsNEA==
+  dependencies:
+    debug "^2.1.2"
+    iconv-lite "^0.4.4"
+    sax "^1.2.4"
+
+negotiator@0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
+  integrity sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk=
+
+next-tick@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/next-tick/-/next-tick-1.0.0.tgz#ca86d1fe8828169b0120208e3dc8424b9db8342c"
+  integrity sha1-yobR/ogoFpsBICCOPchCS524NCw=
+
+node-pre-gyp@^0.10.0:
+  version "0.10.3"
+  resolved "https://registry.yarnpkg.com/node-pre-gyp/-/node-pre-gyp-0.10.3.tgz#3070040716afdc778747b61b6887bf78880b80fc"
+  integrity sha512-d1xFs+C/IPS8Id0qPTZ4bUT8wWryfR/OzzAFxweG+uLN85oPzyo2Iw6bVlLQ/JOdgNonXLCoRyqDzDWq4iw72A==
+  dependencies:
+    detect-libc "^1.0.2"
+    mkdirp "^0.5.1"
+    needle "^2.2.1"
+    nopt "^4.0.1"
+    npm-packlist "^1.1.6"
+    npmlog "^4.0.2"
+    rc "^1.2.7"
+    rimraf "^2.6.1"
+    semver "^5.3.0"
+    tar "^4"
+
+nopt@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/nopt/-/nopt-4.0.1.tgz#d0d4685afd5415193c8c7505602d0d17cd64474d"
+  integrity sha1-0NRoWv1UFRk8jHUFYC0NF81kR00=
+  dependencies:
+    abbrev "1"
+    osenv "^0.1.4"
+
+normalize-path@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-2.1.1.tgz#1ab28b556e198363a8c1a6f7e6fa20137fe6aed9"
+  integrity sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=
+  dependencies:
+    remove-trailing-separator "^1.0.1"
+
+normalize-path@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-3.0.0.tgz#0dcd69ff23a1c9b11fd0978316644a0388216a65"
+  integrity sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==
+
+normalize-url@^1.0.0:
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-1.9.1.tgz#2cc0d66b31ea23036458436e3620d85954c66c3c"
+  integrity sha1-LMDWazHqIwNkWENuNiDYWVTGbDw=
+  dependencies:
+    object-assign "^4.0.1"
+    prepend-http "^1.0.0"
+    query-string "^4.1.0"
+    sort-keys "^1.0.0"
+
+npm-bundled@^1.0.1:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/npm-bundled/-/npm-bundled-1.0.6.tgz#e7ba9aadcef962bb61248f91721cd932b3fe6bdd"
+  integrity sha512-8/JCaftHwbd//k6y2rEWp6k1wxVfpFzB6t1p825+cUb7Ym2XQfhwIC5KwhrvzZRJu+LtDE585zVaS32+CGtf0g==
+
+npm-packlist@^1.1.6:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/npm-packlist/-/npm-packlist-1.4.1.tgz#19064cdf988da80ea3cee45533879d90192bbfbc"
+  integrity sha512-+TcdO7HJJ8peiiYhvPxsEDhF3PJFGUGRcFsGve3vxvxdcpO2Z4Z7rkosRM0kWj6LfbK/P0gu3dzk5RU1ffvFcw==
+  dependencies:
+    ignore-walk "^3.0.1"
+    npm-bundled "^1.0.1"
+
+npmlog@^4.0.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/npmlog/-/npmlog-4.1.2.tgz#08a7f2a8bf734604779a9efa4ad5cc717abb954b"
+  integrity sha512-2uUqazuKlTaSI/dC8AzicUck7+IrEaOnN/e0jd3Xtt1KcGpwx30v50mL7oPyr/h9bL3E4aZccVwpwP+5W9Vjkg==
+  dependencies:
+    are-we-there-yet "~1.1.2"
+    console-control-strings "~1.1.0"
+    gauge "~2.7.3"
+    set-blocking "~2.0.0"
+
+number-is-nan@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
+  integrity sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=
+
+object-assign@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-3.0.0.tgz#9bedd5ca0897949bca47e7ff408062d549f587f2"
+  integrity sha1-m+3VygiXlJvKR+f/QIBi1Un1h/I=
+
+object-assign@^4, object-assign@^4.0.1, object-assign@^4.1.0, object-assign@latest:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
+  integrity sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=
+
+object-copy@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/object-copy/-/object-copy-0.1.0.tgz#7e7d858b781bd7c991a41ba975ed3812754e998c"
+  integrity sha1-fn2Fi3gb18mRpBupde04EnVOmYw=
+  dependencies:
+    copy-descriptor "^0.1.0"
+    define-property "^0.2.5"
+    kind-of "^3.0.3"
+
+object-visit@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/object-visit/-/object-visit-1.0.1.tgz#f79c4493af0c5377b59fe39d395e41042dd045bb"
+  integrity sha1-95xEk68MU3e1n+OdOV5BBC3QRbs=
+  dependencies:
+    isobject "^3.0.0"
+
+object.defaults@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/object.defaults/-/object.defaults-1.1.0.tgz#3a7f868334b407dea06da16d88d5cd29e435fecf"
+  integrity sha1-On+GgzS0B96gbaFtiNXNKeQ1/s8=
+  dependencies:
+    array-each "^1.0.1"
+    array-slice "^1.0.0"
+    for-own "^1.0.0"
+    isobject "^3.0.0"
+
+object.map@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/object.map/-/object.map-1.0.1.tgz#cf83e59dc8fcc0ad5f4250e1f78b3b81bd801d37"
+  integrity sha1-z4Plncj8wK1fQlDh94s7gb2AHTc=
+  dependencies:
+    for-own "^1.0.0"
+    make-iterator "^1.0.0"
+
+object.pick@^1.2.0, object.pick@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/object.pick/-/object.pick-1.3.0.tgz#87a10ac4c1694bd2e1cbf53591a66141fb5dd747"
+  integrity sha1-h6EKxMFpS9Lhy/U1kaZhQftd10c=
+  dependencies:
+    isobject "^3.0.1"
+
+on-finished@~2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
+  integrity sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=
+  dependencies:
+    ee-first "1.1.1"
+
+on-headers@~1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/on-headers/-/on-headers-1.0.2.tgz#772b0ae6aaa525c399e489adfad90c403eb3c28f"
+  integrity sha512-pZAE+FJLoyITytdqK0U5s+FIpjN0JP3OzFi/u8Rx+EV5/W+JTWGXG8xFzevE7AjBfDqHv/8vL8qQsIhHnqRkrA==
+
+once@^1.3.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  integrity sha1-WDsap3WWHUsROsF9nFC6753Xa9E=
+  dependencies:
+    wrappy "1"
+
+once@~1.3.0:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.3.3.tgz#b2e261557ce4c314ec8304f3fa82663e4297ca20"
+  integrity sha1-suJhVXzkwxTsgwTz+oJmPkKXyiA=
+  dependencies:
+    wrappy "1"
+
+onetime@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
+  integrity sha1-ofeDj4MUxRbwXs78vEzP4EtO14k=
+
+opn@latest:
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/opn/-/opn-5.5.0.tgz#fc7164fab56d235904c51c3b27da6758ca3b9bfc"
+  integrity sha512-PqHpggC9bLV0VeWcdKhkpxY+3JTzetLSqTCWL/z/tFIbI6G8JCjondXklT1JinczLz2Xib62sSp0T/gKT4KksA==
+  dependencies:
+    is-wsl "^1.1.0"
+
+optionator@^0.8.2:
+  version "0.8.2"
+  resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.8.2.tgz#364c5e409d3f4d6301d6c0b4c05bba50180aeb64"
+  integrity sha1-NkxeQJ0/TWMB1sC0wFu6UBgK62Q=
+  dependencies:
+    deep-is "~0.1.3"
+    fast-levenshtein "~2.0.4"
+    levn "~0.3.0"
+    prelude-ls "~1.1.2"
+    type-check "~0.3.2"
+    wordwrap "~1.0.0"
+
+orchestrator@^0.3.0:
+  version "0.3.8"
+  resolved "https://registry.yarnpkg.com/orchestrator/-/orchestrator-0.3.8.tgz#14e7e9e2764f7315fbac184e506c7aa6df94ad7e"
+  integrity sha1-FOfp4nZPcxX7rBhOUGx6pt+UrX4=
+  dependencies:
+    end-of-stream "~0.1.5"
+    sequencify "~0.0.7"
+    stream-consume "~0.1.0"
+
+ordered-read-streams@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/ordered-read-streams/-/ordered-read-streams-0.1.0.tgz#fd565a9af8eb4473ba69b6ed8a34352cb552f126"
+  integrity sha1-/VZamvjrRHO6abbtijQ1LLVS8SY=
+
+os-homedir@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
+  integrity sha1-/7xJiDNuDoM94MFox+8VISGqf7M=
+
+os-tmpdir@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
+  integrity sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=
+
+osenv@^0.1.4:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/osenv/-/osenv-0.1.5.tgz#85cdfafaeb28e8677f416e287592b5f3f49ea410"
+  integrity sha512-0CWcCECdMVc2Rw3U5w9ZjqX6ga6ubk1xDVKxtBQPK7wis/0F2r9T6k4ydGYhecl7YUBxBVxhL5oisPsNxAPe2g==
+  dependencies:
+    os-homedir "^1.0.0"
+    os-tmpdir "^1.0.0"
+
+parse-filepath@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/parse-filepath/-/parse-filepath-1.0.2.tgz#a632127f53aaf3d15876f5872f3ffac763d6c891"
+  integrity sha1-pjISf1Oq89FYdvWHLz/6x2PWyJE=
+  dependencies:
+    is-absolute "^1.0.0"
+    map-cache "^0.2.0"
+    path-root "^0.1.1"
+
+parse-node-version@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/parse-node-version/-/parse-node-version-1.0.1.tgz#e2b5dbede00e7fa9bc363607f53327e8b073189b"
+  integrity sha512-3YHlOa/JgH6Mnpr05jP9eDG254US9ek25LyIxZlDItp2iJtwyaXQb57lBYLdT3MowkUFYEV2XXNAYIPlESvJlA==
+
+parse-passwd@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/parse-passwd/-/parse-passwd-1.0.0.tgz#6d5b934a456993b23d37f40a382d6f1666a8e5c6"
+  integrity sha1-bVuTSkVpk7I9N/QKOC1vFmao5cY=
+
+parseurl@~1.3.2:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.2.tgz#fc289d4ed8993119460c156253262cdc8de65bf3"
+  integrity sha1-/CidTtiZMRlGDBViUyYs3I3mW/M=
+
+pascalcase@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/pascalcase/-/pascalcase-0.1.1.tgz#b363e55e8006ca6fe21784d2db22bd15d7917f14"
+  integrity sha1-s2PlXoAGym/iF4TS2yK9FdeRfxQ=
+
+path-dirname@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/path-dirname/-/path-dirname-1.0.2.tgz#cc33d24d525e099a5388c0336c6e32b9160609e0"
+  integrity sha1-zDPSTVJeCZpTiMAzbG4yuRYGCeA=
+
+path-is-absolute@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+  integrity sha1-F0uSaHNVNP+8es5r9TpanhtcX18=
+
+path-is-inside@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/path-is-inside/-/path-is-inside-1.0.2.tgz#365417dede44430d1c11af61027facf074bdfc53"
+  integrity sha1-NlQX3t5EQw0cEa9hAn+s8HS9/FM=
+
+path-parse@^1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"
+  integrity sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==
+
+path-root-regex@^0.1.0:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/path-root-regex/-/path-root-regex-0.1.2.tgz#bfccdc8df5b12dc52c8b43ec38d18d72c04ba96d"
+  integrity sha1-v8zcjfWxLcUsi0PsONGNcsBLqW0=
+
+path-root@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/path-root/-/path-root-0.1.1.tgz#9a4a6814cac1c0cd73360a95f32083c8ea4745b7"
+  integrity sha1-mkpoFMrBwM1zNgqV8yCDyOpHRbc=
+  dependencies:
+    path-root-regex "^0.1.0"
+
+pause-stream@0.0.11:
+  version "0.0.11"
+  resolved "https://registry.yarnpkg.com/pause-stream/-/pause-stream-0.0.11.tgz#fe5a34b0cbce12b5aa6a2b403ee2e73b602f1445"
+  integrity sha1-/lo0sMvOErWqaitAPuLnO2AvFEU=
+  dependencies:
+    through "~2.3"
+
+pify@^2.0.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
+  integrity sha1-7RQaasBDqEnqWISY59yosVMw6Qw=
+
+pinkie-promise@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
+  integrity sha1-ITXW36ejWMBprJsXh3YogihFD/o=
+  dependencies:
+    pinkie "^2.0.0"
+
+pinkie@^2.0.0:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"
+  integrity sha1-clVrgM+g1IqXToDnckjoDtT3+HA=
+
+pluralize@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-1.2.1.tgz#d1a21483fd22bb41e58a12fa3421823140897c45"
+  integrity sha1-0aIUg/0iu0HlihL6NCGCMUCJfEU=
+
+posix-character-classes@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/posix-character-classes/-/posix-character-classes-0.1.1.tgz#01eac0fe3b5af71a2a6c02feabb8c1fef7e00eab"
+  integrity sha1-AerA/jta9xoqbAL+q7jB/vfgDqs=
+
+prelude-ls@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
+  integrity sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=
+
+prepend-http@^1.0.0:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-1.0.4.tgz#d4f4562b0ce3696e41ac52d0e002e57a635dc6dc"
+  integrity sha1-1PRWKwzjaW5BrFLQ4ALlemNdxtw=
+
+pretty-hrtime@^1.0.0:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/pretty-hrtime/-/pretty-hrtime-1.0.3.tgz#b7e3ea42435a4c9b2759d99e0f201eb195802ee1"
+  integrity sha1-t+PqQkNaTJsnWdmeDyAesZWALuE=
+
+process-nextick-args@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.0.tgz#a37d732f4271b4ab1ad070d35508e8290788ffaa"
+  integrity sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw==
+
+progress@^1.1.8:
+  version "1.1.8"
+  resolved "https://registry.yarnpkg.com/progress/-/progress-1.1.8.tgz#e260c78f6161cdd9b0e56cc3e0a85de17c7a57be"
+  integrity sha1-4mDHj2Fhzdmw5WzD4Khd4Xx6V74=
+
+proxy-middleware@latest:
+  version "0.15.0"
+  resolved "https://registry.yarnpkg.com/proxy-middleware/-/proxy-middleware-0.15.0.tgz#a3fdf1befb730f951965872ac2f6074c61477a56"
+  integrity sha1-o/3xvvtzD5UZZYcqwvYHTGFHelY=
+
+query-string@^4.1.0:
+  version "4.3.4"
+  resolved "https://registry.yarnpkg.com/query-string/-/query-string-4.3.4.tgz#bbb693b9ca915c232515b228b1a02b609043dbeb"
+  integrity sha1-u7aTucqRXCMlFbIosaArYJBD2+s=
+  dependencies:
+    object-assign "^4.1.0"
+    strict-uri-encode "^1.0.0"
+
+range-parser@~1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.0.tgz#f49be6b487894ddc40dcc94a322f611092e00d5e"
+  integrity sha1-9JvmtIeJTdxA3MlKMi9hEJLgDV4=
+
+rc@^1.2.7:
+  version "1.2.8"
+  resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.8.tgz#cd924bf5200a075b83c188cd6b9e211b7fc0d3ed"
+  integrity sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==
+  dependencies:
+    deep-extend "^0.6.0"
+    ini "~1.3.0"
+    minimist "^1.2.0"
+    strip-json-comments "~2.0.1"
+
+"readable-stream@>=1.0.33-1 <1.1.0-0":
+  version "1.0.34"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
+  integrity sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.1"
+    isarray "0.0.1"
+    string_decoder "~0.10.x"
+
+readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.2.2, readable-stream@~2.3.6:
+  version "2.3.6"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
+  integrity sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.3"
+    isarray "~1.0.0"
+    process-nextick-args "~2.0.0"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.1.1"
+    util-deprecate "~1.0.1"
+
+readable-stream@~1.1.9:
+  version "1.1.14"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"
+  integrity sha1-fPTFTvZI44EwhMY23SB54WbAgdk=
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.1"
+    isarray "0.0.1"
+    string_decoder "~0.10.x"
+
+readdirp@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-2.2.1.tgz#0e87622a3325aa33e892285caf8b4e846529a525"
+  integrity sha512-1JU/8q+VgFZyxwrJ+SVIOsh+KywWGpds3NTqikiKpDMZWScmAYyKIgqkO+ARvNWJfXeXR1zxz7aHF4u4CyH6vQ==
+  dependencies:
+    graceful-fs "^4.1.11"
+    micromatch "^3.1.10"
+    readable-stream "^2.0.2"
+
+readline2@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/readline2/-/readline2-1.0.1.tgz#41059608ffc154757b715d9989d199ffbf372e35"
+  integrity sha1-QQWWCP/BVHV7cV2ZidGZ/783LjU=
+  dependencies:
+    code-point-at "^1.0.0"
+    is-fullwidth-code-point "^1.0.0"
+    mute-stream "0.0.5"
+
+rechoir@^0.6.2:
+  version "0.6.2"
+  resolved "https://registry.yarnpkg.com/rechoir/-/rechoir-0.6.2.tgz#85204b54dba82d5742e28c96756ef43af50e3384"
+  integrity sha1-hSBLVNuoLVdC4oyWdW70OvUOM4Q=
+  dependencies:
+    resolve "^1.1.6"
+
+regex-not@^1.0.0, regex-not@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/regex-not/-/regex-not-1.0.2.tgz#1f4ece27e00b0b65e0247a6810e6a85d83a5752c"
+  integrity sha512-J6SDjUgDxQj5NusnOtdFxDwN/+HWykR8GELwctJ7mdqhcyy1xEc4SRFHUXvxTp661YaVKAjfRLZ9cCqS6tn32A==
+  dependencies:
+    extend-shallow "^3.0.2"
+    safe-regex "^1.1.0"
+
+remove-trailing-separator@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz#c24bce2a283adad5bc3f58e0d48249b92379d8ef"
+  integrity sha1-wkvOKig62tW8P1jg1IJJuSN52O8=
+
+repeat-element@^1.1.2:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/repeat-element/-/repeat-element-1.1.3.tgz#782e0d825c0c5a3bb39731f84efee6b742e6b1ce"
+  integrity sha512-ahGq0ZnV5m5XtZLMb+vP76kcAM5nkLqk0lpqAuojSKGgQtn4eRi4ZZGm2olo2zKFH+sMsWaqOCW1dqAnOru72g==
+
+repeat-string@^1.6.1:
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
+  integrity sha1-jcrkcOHIirwtYA//Sndihtp15jc=
+
+repeating@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/repeating/-/repeating-2.0.1.tgz#5214c53a926d3552707527fbab415dbc08d06dda"
+  integrity sha1-UhTFOpJtNVJwdSf7q0FdvAjQbdo=
+  dependencies:
+    is-finite "^1.0.0"
+
+replace-ext@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/replace-ext/-/replace-ext-0.0.1.tgz#29bbd92078a739f0bcce2b4ee41e837953522924"
+  integrity sha1-KbvZIHinOfC8zitO5B6DeVNSKSQ=
+
+require-uncached@^1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/require-uncached/-/require-uncached-1.0.3.tgz#4e0d56d6c9662fd31e43011c4b95aa49955421d3"
+  integrity sha1-Tg1W1slmL9MeQwEcS5WqSZVUIdM=
+  dependencies:
+    caller-path "^0.1.0"
+    resolve-from "^1.0.0"
+
+requizzle@~0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/requizzle/-/requizzle-0.2.1.tgz#6943c3530c4d9a7e46f1cddd51c158fc670cdbde"
+  integrity sha1-aUPDUwxNmn5G8c3dUcFY/GcM294=
+  dependencies:
+    underscore "~1.6.0"
+
+resolve-dir@^1.0.0, resolve-dir@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/resolve-dir/-/resolve-dir-1.0.1.tgz#79a40644c362be82f26effe739c9bb5382046f43"
+  integrity sha1-eaQGRMNivoLybv/nOcm7U4IEb0M=
+  dependencies:
+    expand-tilde "^2.0.0"
+    global-modules "^1.0.0"
+
+resolve-from@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"
+  integrity sha1-Jsv+k10a7uq7Kbw/5a6wHpPUQiY=
+
+resolve-url@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
+  integrity sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo=
+
+resolve@^1.1.6, resolve@^1.1.7:
+  version "1.10.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.10.0.tgz#3bdaaeaf45cc07f375656dfd2e54ed0810b101ba"
+  integrity sha512-3sUr9aq5OfSg2S9pNtPA9hL1FVEAjvfOC4leW0SNf/mpnaakz2a9femSd6LqAww2RaFctwyf1lCqnTHuF1rxDg==
+  dependencies:
+    path-parse "^1.0.6"
+
+restore-cursor@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-1.0.1.tgz#34661f46886327fed2991479152252df92daa541"
+  integrity sha1-NGYfRohjJ/7SmRR5FSJS35LapUE=
+  dependencies:
+    exit-hook "^1.0.0"
+    onetime "^1.0.0"
+
+ret@~0.1.10:
+  version "0.1.15"
+  resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
+  integrity sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg==
+
+rimraf@^2.6.1, rimraf@^2.6.2, rimraf@~2.6.2:
+  version "2.6.3"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.3.tgz#b2d104fe0d8fb27cf9e0a1cda8262dd3833c6cab"
+  integrity sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==
+  dependencies:
+    glob "^7.1.3"
+
+run-async@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/run-async/-/run-async-0.1.0.tgz#c8ad4a5e110661e402a7d21b530e009f25f8e389"
+  integrity sha1-yK1KXhEGYeQCp9IbUw4AnyX444k=
+  dependencies:
+    once "^1.3.0"
+
+rx-lite@^3.1.2:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/rx-lite/-/rx-lite-3.1.2.tgz#19ce502ca572665f3b647b10939f97fd1615f102"
+  integrity sha1-Gc5QLKVyZl87ZHsQk5+X/RYV8QI=
+
+safe-buffer@5.1.2, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
+  integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
+
+safe-regex@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
+  integrity sha1-QKNmnzsHfR6UPURinhV91IAjvy4=
+  dependencies:
+    ret "~0.1.10"
+
+"safer-buffer@>= 2.1.2 < 3":
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
+  integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
+
+sax@^1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
+  integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
+
+semver@^4.1.0:
+  version "4.3.6"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-4.3.6.tgz#300bc6e0e86374f7ba61068b5b1ecd57fc6532da"
+  integrity sha1-MAvG4OhjdPe6YQaLWx7NV/xlMto=
+
+semver@^5.3.0:
+  version "5.6.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.6.0.tgz#7e74256fbaa49c75aa7c7a205cc22799cac80004"
+  integrity sha512-RS9R6R35NYgQn++fkDWaOmqGoj4Ek9gGs+DPxNUZKuwE183xjJroKvyo1IzVFeXvUrvmALy6FWD5xrdJT25gMg==
+
+send@latest:
+  version "0.16.2"
+  resolved "https://registry.yarnpkg.com/send/-/send-0.16.2.tgz#6ecca1e0f8c156d141597559848df64730a6bbc1"
+  integrity sha512-E64YFPUssFHEFBvpbbjr44NCLtI1AohxQ8ZSiJjQLskAdKuriYEP6VyGEsRDH8ScozGpkaX1BGvhanqCwkcEZw==
+  dependencies:
+    debug "2.6.9"
+    depd "~1.1.2"
+    destroy "~1.0.4"
+    encodeurl "~1.0.2"
+    escape-html "~1.0.3"
+    etag "~1.8.1"
+    fresh "0.5.2"
+    http-errors "~1.6.2"
+    mime "1.4.1"
+    ms "2.0.0"
+    on-finished "~2.3.0"
+    range-parser "~1.2.0"
+    statuses "~1.4.0"
+
+sequencify@~0.0.7:
+  version "0.0.7"
+  resolved "https://registry.yarnpkg.com/sequencify/-/sequencify-0.0.7.tgz#90cff19d02e07027fd767f5ead3e7b95d1e7380c"
+  integrity sha1-kM/xnQLgcCf9dn9erT57ldHnOAw=
+
+serve-index@^1.9.1:
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/serve-index/-/serve-index-1.9.1.tgz#d3768d69b1e7d82e5ce050fff5b453bea12a9239"
+  integrity sha1-03aNabHn2C5c4FD/9bRTvqEqkjk=
+  dependencies:
+    accepts "~1.3.4"
+    batch "0.6.1"
+    debug "2.6.9"
+    escape-html "~1.0.3"
+    http-errors "~1.6.2"
+    mime-types "~2.1.17"
+    parseurl "~1.3.2"
+
+set-blocking@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
+  integrity sha1-BF+XgtARrppoA93TgrJDkrPYkPc=
+
+set-value@^0.4.3:
+  version "0.4.3"
+  resolved "https://registry.yarnpkg.com/set-value/-/set-value-0.4.3.tgz#7db08f9d3d22dc7f78e53af3c3bf4666ecdfccf1"
+  integrity sha1-fbCPnT0i3H945Trzw79GZuzfzPE=
+  dependencies:
+    extend-shallow "^2.0.1"
+    is-extendable "^0.1.1"
+    is-plain-object "^2.0.1"
+    to-object-path "^0.3.0"
+
+set-value@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/set-value/-/set-value-2.0.0.tgz#71ae4a88f0feefbbf52d1ea604f3fb315ebb6274"
+  integrity sha512-hw0yxk9GT/Hr5yJEYnHNKYXkIA8mVJgd9ditYZCe16ZczcaELYYcfvaXesNACk2O8O0nTiPQcQhGUQj8JLzeeg==
+  dependencies:
+    extend-shallow "^2.0.1"
+    is-extendable "^0.1.1"
+    is-plain-object "^2.0.3"
+    split-string "^3.0.1"
+
+setprototypeof@1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.1.0.tgz#d0bd85536887b6fe7c0d818cb962d9d91c54e656"
+  integrity sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ==
+
+shelljs@^0.7.5:
+  version "0.7.8"
+  resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.7.8.tgz#decbcf874b0d1e5fb72e14b164a9683048e9acb3"
+  integrity sha1-3svPh0sNHl+3LhSxZKloMEjprLM=
+  dependencies:
+    glob "^7.0.0"
+    interpret "^1.0.0"
+    rechoir "^0.6.2"
+
+sigmund@~1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/sigmund/-/sigmund-1.0.1.tgz#3ff21f198cad2175f9f3b781853fd94d0d19b590"
+  integrity sha1-P/IfGYytIXX587eBhT/ZTQ0ZtZA=
+
+signal-exit@^3.0.0:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
+  integrity sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=
+
+slice-ansi@0.0.4:
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-0.0.4.tgz#edbf8903f66f7ce2f8eafd6ceed65e264c831b35"
+  integrity sha1-7b+JA/ZvfOL46v1s7tZeJkyDGzU=
+
+snapdragon-node@^2.0.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/snapdragon-node/-/snapdragon-node-2.1.1.tgz#6c175f86ff14bdb0724563e8f3c1b021a286853b"
+  integrity sha512-O27l4xaMYt/RSQ5TR3vpWCAB5Kb/czIcqUFOM/C4fYcLnbZUc1PkjTAMjof2pBWaSTwOUd6qUHcFGVGj7aIwnw==
+  dependencies:
+    define-property "^1.0.0"
+    isobject "^3.0.0"
+    snapdragon-util "^3.0.1"
+
+snapdragon-util@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/snapdragon-util/-/snapdragon-util-3.0.1.tgz#f956479486f2acd79700693f6f7b805e45ab56e2"
+  integrity sha512-mbKkMdQKsjX4BAL4bRYTj21edOf8cN7XHdYUJEe+Zn99hVEYcMvKPct1IqNe7+AZPirn8BCDOQBHQZknqmKlZQ==
+  dependencies:
+    kind-of "^3.2.0"
+
+snapdragon@^0.8.1:
+  version "0.8.2"
+  resolved "https://registry.yarnpkg.com/snapdragon/-/snapdragon-0.8.2.tgz#64922e7c565b0e14204ba1aa7d6964278d25182d"
+  integrity sha512-FtyOnWN/wCHTVXOMwvSv26d+ko5vWlIDD6zoUJ7LW8vh+ZBC8QdljveRP+crNrtBwioEUWy/4dMtbBjA4ioNlg==
+  dependencies:
+    base "^0.11.1"
+    debug "^2.2.0"
+    define-property "^0.2.5"
+    extend-shallow "^2.0.1"
+    map-cache "^0.2.2"
+    source-map "^0.5.6"
+    source-map-resolve "^0.5.0"
+    use "^3.1.0"
+
+sort-keys@^1.0.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/sort-keys/-/sort-keys-1.1.2.tgz#441b6d4d346798f1b4e49e8920adfba0e543f9ad"
+  integrity sha1-RBttTTRnmPG05J6JIK37oOVD+a0=
+  dependencies:
+    is-plain-obj "^1.0.0"
+
+source-map-resolve@^0.5.0:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/source-map-resolve/-/source-map-resolve-0.5.2.tgz#72e2cc34095543e43b2c62b2c4c10d4a9054f259"
+  integrity sha512-MjqsvNwyz1s0k81Goz/9vRBe9SZdB09Bdw+/zYyO+3CuPk6fouTaxscHkgtE8jKvf01kVfl8riHzERQ/kefaSA==
+  dependencies:
+    atob "^2.1.1"
+    decode-uri-component "^0.2.0"
+    resolve-url "^0.2.1"
+    source-map-url "^0.4.0"
+    urix "^0.1.0"
+
+source-map-url@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
+  integrity sha1-PpNdfd1zYxuXZZlW1VEo6HtQhKM=
+
+source-map@^0.5.6:
+  version "0.5.7"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
+  integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=
+
+sparkles@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/sparkles/-/sparkles-1.0.1.tgz#008db65edce6c50eec0c5e228e1945061dd0437c"
+  integrity sha512-dSO0DDYUahUt/0/pD/Is3VIm5TGJjludZ0HVymmhYF6eNA53PVLhnUk0znSYbH8IYBuJdCE+1luR22jNLMaQdw==
+
+split-string@^3.0.1, split-string@^3.0.2:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/split-string/-/split-string-3.1.0.tgz#7cb09dda3a86585705c64b39a6466038682e8fe2"
+  integrity sha512-NzNVhJDYpwceVVii8/Hu6DKfD2G+NrQHlS/V/qgv763EYudVwEcMQNxd2lh+0VrUByXN/oJkl5grOhYWvQUYiw==
+  dependencies:
+    extend-shallow "^3.0.0"
+
+split@0.3:
+  version "0.3.3"
+  resolved "https://registry.yarnpkg.com/split/-/split-0.3.3.tgz#cd0eea5e63a211dfff7eb0f091c4133e2d0dd28f"
+  integrity sha1-zQ7qXmOiEd//frDwkcQTPi0N0o8=
+  dependencies:
+    through "2"
+
+sprintf-js@~1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
+  integrity sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=
+
+static-extend@^0.1.1:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/static-extend/-/static-extend-0.1.2.tgz#60809c39cbff55337226fd5e0b520f341f1fb5c6"
+  integrity sha1-YICcOcv/VTNyJv1eC1IPNB8ftcY=
+  dependencies:
+    define-property "^0.2.5"
+    object-copy "^0.1.0"
+
+"statuses@>= 1.4.0 < 2":
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"
+  integrity sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=
+
+statuses@~1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.3.1.tgz#faf51b9eb74aaef3b3acf4ad5f61abf24cb7b93e"
+  integrity sha1-+vUbnrdKrvOzrPStX2Gr8ky3uT4=
+
+statuses@~1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.4.0.tgz#bb73d446da2796106efcc1b601a253d6c46bd087"
+  integrity sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew==
+
+stream-combiner@~0.0.4:
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/stream-combiner/-/stream-combiner-0.0.4.tgz#4d5e433c185261dde623ca3f44c586bcf5c4ad14"
+  integrity sha1-TV5DPBhSYd3mI8o/RMWGvPXErRQ=
+  dependencies:
+    duplexer "~0.1.1"
+
+stream-consume@~0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/stream-consume/-/stream-consume-0.1.1.tgz#d3bdb598c2bd0ae82b8cac7ac50b1107a7996c48"
+  integrity sha512-tNa3hzgkjEP7XbCkbRXe1jpg+ievoa0O4SCFlMOYEscGSS4JJsckGL8swUyAa/ApGU3Ae4t6Honor4HhL+tRyg==
+
+strict-uri-encode@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz#279b225df1d582b1f54e65addd4352e18faa0713"
+  integrity sha1-J5siXfHVgrH1TmWt3UNS4Y+qBxM=
+
+string-width@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-1.0.2.tgz#118bdf5b8cdc51a2a7e70d211e07e2b0b9b107d3"
+  integrity sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=
+  dependencies:
+    code-point-at "^1.0.0"
+    is-fullwidth-code-point "^1.0.0"
+    strip-ansi "^3.0.0"
+
+"string-width@^1.0.2 || 2", string-width@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
+  integrity sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==
+  dependencies:
+    is-fullwidth-code-point "^2.0.0"
+    strip-ansi "^4.0.0"
+
+string_decoder@~0.10.x:
+  version "0.10.31"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
+  integrity sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=
+
+string_decoder@~1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
+  integrity sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==
+  dependencies:
+    safe-buffer "~5.1.0"
+
+strip-ansi@^3.0.0, strip-ansi@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-3.0.1.tgz#6a385fb8853d952d5ff05d0e8aaf94278dc63dcf"
+  integrity sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=
+  dependencies:
+    ansi-regex "^2.0.0"
+
+strip-ansi@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-4.0.0.tgz#a8479022eb1ac368a871389b635262c505ee368f"
+  integrity sha1-qEeQIusaw2iocTibY1JixQXuNo8=
+  dependencies:
+    ansi-regex "^3.0.0"
+
+strip-bom@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-1.0.0.tgz#85b8862f3844b5a6d5ec8467a93598173a36f794"
+  integrity sha1-hbiGLzhEtabV7IRnqTWYFzo295Q=
+  dependencies:
+    first-chunk-stream "^1.0.0"
+    is-utf8 "^0.2.0"
+
+strip-bom@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
+  integrity sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=
+
+strip-json-comments@~2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
+  integrity sha1-PFMZQukIwml8DsNEhYwobHygpgo=
+
+strip-outer@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/strip-outer/-/strip-outer-1.0.1.tgz#b2fd2abf6604b9d1e6013057195df836b8a9d631"
+  integrity sha512-k55yxKHwaXnpYGsOzg4Vl8+tDrWylxDEpknGjhTiZB8dFRU5rTo9CAzeycivxV3s+zlTKwrs6WxMxR95n26kwg==
+  dependencies:
+    escape-string-regexp "^1.0.2"
+
+strip-url-auth@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/strip-url-auth/-/strip-url-auth-1.0.1.tgz#22b0fa3a41385b33be3f331551bbb837fa0cd7ae"
+  integrity sha1-IrD6OkE4WzO+PzMVUbu4N/oM164=
+
+supports-color@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
+  integrity sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=
+
+table@^3.7.8:
+  version "3.8.3"
+  resolved "https://registry.yarnpkg.com/table/-/table-3.8.3.tgz#2bbc542f0fda9861a755d3947fefd8b3f513855f"
+  integrity sha1-K7xULw/amGGnVdOUf+/Ys/UThV8=
+  dependencies:
+    ajv "^4.7.0"
+    ajv-keywords "^1.0.0"
+    chalk "^1.1.1"
+    lodash "^4.0.0"
+    slice-ansi "0.0.4"
+    string-width "^2.0.0"
+
+taffydb@2.6.2:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/taffydb/-/taffydb-2.6.2.tgz#7cbcb64b5a141b6a2efc2c5d2c67b4e150b2a268"
+  integrity sha1-fLy2S1oUG2ou/CxdLGe04VCyomg=
+
+tar@^4:
+  version "4.4.8"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.8.tgz#b19eec3fde2a96e64666df9fdb40c5ca1bc3747d"
+  integrity sha512-LzHF64s5chPQQS0IYBn9IN5h3i98c12bo4NCO7e0sGM2llXQ3p2FGC5sdENN4cTW48O915Sh+x+EXx7XW96xYQ==
+  dependencies:
+    chownr "^1.1.1"
+    fs-minipass "^1.2.5"
+    minipass "^2.3.4"
+    minizlib "^1.1.1"
+    mkdirp "^0.5.0"
+    safe-buffer "^5.1.2"
+    yallist "^3.0.2"
+
+text-table@~0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"
+  integrity sha1-f17oI66AUgfACvLfSoTsP8+lcLQ=
+
+through2@^0.6.1:
+  version "0.6.5"
+  resolved "https://registry.yarnpkg.com/through2/-/through2-0.6.5.tgz#41ab9c67b29d57209071410e1d7a7a968cd3ad48"
+  integrity sha1-QaucZ7KdVyCQcUEOHXp6lozTrUg=
+  dependencies:
+    readable-stream ">=1.0.33-1 <1.1.0-0"
+    xtend ">=4.0.0 <4.1.0-0"
+
+through2@^2.0.0:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/through2/-/through2-2.0.5.tgz#01c1e39eb31d07cb7d03a96a70823260b23132cd"
+  integrity sha512-/mrRod8xqpA+IHSLyGCQ2s8SPHiCDEeQJSep1jqLYeEUClOFG2Qsh+4FU6G9VeqpZnGW/Su8LQGc4YKni5rYSQ==
+  dependencies:
+    readable-stream "~2.3.6"
+    xtend "~4.0.1"
+
+through@2, through@^2.3.6, through@~2.3, through@~2.3.1:
+  version "2.3.8"
+  resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
+  integrity sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=
+
+tildify@^1.0.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/tildify/-/tildify-1.2.0.tgz#dcec03f55dca9b7aa3e5b04f21817eb56e63588a"
+  integrity sha1-3OwD9V3Km3qj5bBPIYF+tW5jWIo=
+  dependencies:
+    os-homedir "^1.0.0"
+
+time-stamp@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/time-stamp/-/time-stamp-1.1.0.tgz#764a5a11af50561921b133f3b44e618687e0f5c3"
+  integrity sha1-dkpaEa9QVhkhsTPztE5hhofg9cM=
+
+to-object-path@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/to-object-path/-/to-object-path-0.3.0.tgz#297588b7b0e7e0ac08e04e672f85c1f4999e17af"
+  integrity sha1-KXWIt7Dn4KwI4E5nL4XB9JmeF68=
+  dependencies:
+    kind-of "^3.0.2"
+
+to-regex-range@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/to-regex-range/-/to-regex-range-2.1.1.tgz#7c80c17b9dfebe599e27367e0d4dd5590141db38"
+  integrity sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=
+  dependencies:
+    is-number "^3.0.0"
+    repeat-string "^1.6.1"
+
+to-regex@^3.0.1, to-regex@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/to-regex/-/to-regex-3.0.2.tgz#13cfdd9b336552f30b51f33a8ae1b42a7a7599ce"
+  integrity sha512-FWtleNAtZ/Ki2qtqej2CXTOayOH9bHDQF+Q48VpWyDXjbYxA4Yz8iDB31zXOBUlOHHKidDbqGVrTUvQMPmBGBw==
+  dependencies:
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    regex-not "^1.0.2"
+    safe-regex "^1.1.0"
+
+trim-repeated@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/trim-repeated/-/trim-repeated-1.0.0.tgz#e3646a2ea4e891312bf7eace6cfb05380bc01c21"
+  integrity sha1-42RqLqTokTEr9+rObPsFOAvAHCE=
+  dependencies:
+    escape-string-regexp "^1.0.2"
+
+type-check@~0.3.2:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/type-check/-/type-check-0.3.2.tgz#5884cab512cf1d355e3fb784f30804b2b520db72"
+  integrity sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=
+  dependencies:
+    prelude-ls "~1.1.2"
+
+typedarray@^0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
+  integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
+
+unc-path-regex@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/unc-path-regex/-/unc-path-regex-0.1.2.tgz#e73dd3d7b0d7c5ed86fbac6b0ae7d8c6a69d50fa"
+  integrity sha1-5z3T17DXxe2G+6xrCufYxqadUPo=
+
+underscore-contrib@~0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/underscore-contrib/-/underscore-contrib-0.3.0.tgz#665b66c24783f8fa2b18c9f8cbb0e2c7d48c26c7"
+  integrity sha1-ZltmwkeD+PorGMn4y7Dix9SMJsc=
+  dependencies:
+    underscore "1.6.0"
+
+underscore@1.6.0, underscore@~1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.6.0.tgz#8b38b10cacdef63337b8b24e4ff86d45aea529a8"
+  integrity sha1-izixDKze9jM3uLJOT/htRa6lKag=
+
+underscore@~1.8.3:
+  version "1.8.3"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.8.3.tgz#4f3fb53b106e6097fcf9cb4109f2a5e9bdfa5022"
+  integrity sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI=
+
+union-value@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/union-value/-/union-value-1.0.0.tgz#5c71c34cb5bad5dcebe3ea0cd08207ba5aa1aea4"
+  integrity sha1-XHHDTLW61dzr4+oM0IIHulqhrqQ=
+  dependencies:
+    arr-union "^3.1.0"
+    get-value "^2.0.6"
+    is-extendable "^0.1.1"
+    set-value "^0.4.3"
+
+unique-stream@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/unique-stream/-/unique-stream-1.0.0.tgz#d59a4a75427447d9aa6c91e70263f8d26a4b104b"
+  integrity sha1-1ZpKdUJ0R9mqbJHnAmP40mpLEEs=
+
+universalify@^0.1.0:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/universalify/-/universalify-0.1.2.tgz#b646f69be3942dabcecc9d6639c80dc105efaa66"
+  integrity sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==
+
+unix-crypt-td-js@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/unix-crypt-td-js/-/unix-crypt-td-js-1.0.0.tgz#1c0824150481bc7a01d49e98f1ec668d82412f3b"
+  integrity sha1-HAgkFQSBvHoB1J6Y8exmjYJBLzs=
+
+unpipe@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
+  integrity sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=
+
+unset-value@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/unset-value/-/unset-value-1.0.0.tgz#8376873f7d2335179ffb1e6fc3a8ed0dfc8ab559"
+  integrity sha1-g3aHP30jNRef+x5vw6jtDfyKtVk=
+  dependencies:
+    has-value "^0.3.1"
+    isobject "^3.0.0"
+
+upath@^1.1.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/upath/-/upath-1.1.2.tgz#3db658600edaeeccbe6db5e684d67ee8c2acd068"
+  integrity sha512-kXpym8nmDmlCBr7nKdIx8P2jNBa+pBpIUFRnKJ4dr8htyYGJFokkr2ZvERRtUN+9SY+JqXouNgUPtv6JQva/2Q==
+
+urix@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/urix/-/urix-0.1.0.tgz#da937f7a62e21fec1fd18d49b35c2935067a6c72"
+  integrity sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=
+
+use@^3.1.0:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/use/-/use-3.1.1.tgz#d50c8cac79a19fbc20f2911f56eb973f4e10070f"
+  integrity sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ==
+
+user-home@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/user-home/-/user-home-1.1.1.tgz#2b5be23a32b63a7c9deb8d0f28d485724a3df190"
+  integrity sha1-K1viOjK2Onyd640PKNSFcko98ZA=
+
+user-home@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/user-home/-/user-home-2.0.0.tgz#9c70bfd8169bc1dcbf48604e0f04b8b49cde9e9f"
+  integrity sha1-nHC/2Babwdy/SGBODwS4tJzenp8=
+  dependencies:
+    os-homedir "^1.0.0"
+
+util-deprecate@~1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
+  integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
+
+utils-merge@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
+  integrity sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=
+
+uuid@^3.0.0:
+  version "3.3.2"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.3.2.tgz#1b4af4955eb3077c501c23872fc6513811587131"
+  integrity sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==
+
+v8flags@^2.0.2:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-2.1.1.tgz#aab1a1fa30d45f88dd321148875ac02c0b55e5b4"
+  integrity sha1-qrGh+jDUX4jdMhFIh1rALAtV5bQ=
+  dependencies:
+    user-home "^1.1.1"
+
+vary@^1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
+  integrity sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=
+
+vinyl-fs@^0.3.0:
+  version "0.3.14"
+  resolved "https://registry.yarnpkg.com/vinyl-fs/-/vinyl-fs-0.3.14.tgz#9a6851ce1cac1c1cea5fe86c0931d620c2cfa9e6"
+  integrity sha1-mmhRzhysHBzqX+hsCTHWIMLPqeY=
+  dependencies:
+    defaults "^1.0.0"
+    glob-stream "^3.1.5"
+    glob-watcher "^0.0.6"
+    graceful-fs "^3.0.0"
+    mkdirp "^0.5.0"
+    strip-bom "^1.0.0"
+    through2 "^0.6.1"
+    vinyl "^0.4.0"
+
+vinyl@^0.4.0:
+  version "0.4.6"
+  resolved "https://registry.yarnpkg.com/vinyl/-/vinyl-0.4.6.tgz#2f356c87a550a255461f36bbeb2a5ba8bf784847"
+  integrity sha1-LzVsh6VQolVGHza76ypbqL94SEc=
+  dependencies:
+    clone "^0.2.0"
+    clone-stats "^0.0.1"
+
+vinyl@^0.5.0:
+  version "0.5.3"
+  resolved "https://registry.yarnpkg.com/vinyl/-/vinyl-0.5.3.tgz#b0455b38fc5e0cf30d4325132e461970c2091cde"
+  integrity sha1-sEVbOPxeDPMNQyUTLkYZcMIJHN4=
+  dependencies:
+    clone "^1.0.0"
+    clone-stats "^0.0.1"
+    replace-ext "0.0.1"
+
+websocket-driver@>=0.5.1:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/websocket-driver/-/websocket-driver-0.7.0.tgz#0caf9d2d755d93aee049d4bdd0d3fe2cca2a24eb"
+  integrity sha1-DK+dLXVdk67gSdS90NP+LMoqJOs=
+  dependencies:
+    http-parser-js ">=0.4.0"
+    websocket-extensions ">=0.1.1"
+
+websocket-extensions@>=0.1.1:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/websocket-extensions/-/websocket-extensions-0.1.3.tgz#5d2ff22977003ec687a4b87073dfbbac146ccf29"
+  integrity sha512-nqHUnMXmBzT0w570r2JpJxfiSD1IzoI+HGVdd3aZ0yNi3ngvQ4jv1dtHt5VGxfI2yj5yqImPhOK4vmIh2xMbGg==
+
+which@^1.2.14:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/which/-/which-1.3.1.tgz#a45043d54f5805316da8d62f9f50918d3da70b0a"
+  integrity sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==
+  dependencies:
+    isexe "^2.0.0"
+
+wide-align@^1.1.0:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/wide-align/-/wide-align-1.1.3.tgz#ae074e6bdc0c14a431e804e624549c633b000457"
+  integrity sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==
+  dependencies:
+    string-width "^1.0.2 || 2"
+
+wordwrap@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
+  integrity sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=
+
+wrappy@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+  integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
+
+write@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/write/-/write-0.2.1.tgz#5fc03828e264cea3fe91455476f7a3c566cb0757"
+  integrity sha1-X8A4KOJkzqP+kUVUdvejxWbLB1c=
+  dependencies:
+    mkdirp "^0.5.1"
+
+xmlcreate@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/xmlcreate/-/xmlcreate-1.0.2.tgz#fa6bf762a60a413fb3dd8f4b03c5b269238d308f"
+  integrity sha1-+mv3YqYKQT+z3Y9LA8WyaSONMI8=
+
+"xtend@>=4.0.0 <4.1.0-0", xtend@^4.0.0, xtend@~4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
+  integrity sha1-pcbVMr5lbiPbgg77lDofBJmNY68=
+
+yallist@^3.0.0, yallist@^3.0.2:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.0.3.tgz#b4b049e314be545e3ce802236d6cd22cd91c3de9"
+  integrity sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A==

From 4ad78b3951a1279c740979963a4b020872578860 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sun, 24 Mar 2019 21:12:21 -0700
Subject: [PATCH 301/337] refactor: improve Graham implementation

---
 src/graphics/graham.js | 30 +++++++++++++-----------------
 1 file changed, 13 insertions(+), 17 deletions(-)

diff --git a/src/graphics/graham.js b/src/graphics/graham.js
index bab1889a..019fd239 100644
--- a/src/graphics/graham.js
+++ b/src/graphics/graham.js
@@ -9,10 +9,8 @@
     const sa = slope(p, a);
     const sb = slope(p, b);
     [[sa, a], [sb, b]].forEach(e => {
-      if (!memo.has(e[0])) {
-        memo.set(e[0], new Set());
-      }
-      memo.get(e[0]).add(e[1]);
+      const el = memo.get(e[0]);
+      if (!el || dist(p, el) < dist(p, e[1])) memo.set(e[0], e[1]);
     });
     return sa - sb;
   };
@@ -50,21 +48,19 @@
       if (a.x < c.x) return a;
       return c;
     });
-    const memo = new Map();
-    const points = all.sort(sort.bind(null, p, memo)).filter(c => {
-      const s = slope(p, c);
-      // Liner check, can consider more efficient data structure
-      const set = Array.from(memo.get(s));
-      return !set.some(e => dist(p, e) > dist(p, c));
-    });
 
+    const memo = new Map();
     const stack = [];
-    points.forEach(p => {
-      while (stack.length > 1 && ccw(stack[stack.length - 2], stack[stack.length - 1], p) < 0) {
-        stack.pop();
-      }
-      stack.push(p);
-    });
+
+    all
+      .sort(sort.bind(null, p, memo))
+      .filter(c => memo.get(slope(p, c)) === c)
+      .forEach(p => {
+        while (stack.length > 1 && ccw(stack[stack.length - 2], stack[stack.length - 1], p) < 0)
+          stack.pop();
+        stack.push(p);
+      });
+
     return stack;
   };
 

From 5f81b4a3578713187d734c83378c0de10cf94e62 Mon Sep 17 00:00:00 2001
From: Dmitry Fisenko <fisenkodv@gmail.com>
Date: Sun, 30 Jun 2019 19:30:32 -0400
Subject: [PATCH 302/337] Fix spelling (#154)

Fix eslint errors
Remove duplicates in eslintrc
---
 .eslintrc.json                             |   16 +-
 package-lock.json                          | 4774 ++++++++++++++++++++
 src/combinatorics/variations-repetition.js |    6 +-
 src/compression/runlength/runlength.js     |    2 +-
 src/graphics/graham.js                     |   23 +-
 src/others/min-coins-change.js             |    2 +-
 src/searching/recursive-binarysearch.js    |    2 +-
 src/sorting/quicksort-middle.js            |    2 +-
 src/sorting/quicksort.js                   |    2 +-
 test/graphics/grapham.spec.js              |    2 +-
 10 files changed, 4803 insertions(+), 28 deletions(-)
 create mode 100644 package-lock.json

diff --git a/.eslintrc.json b/.eslintrc.json
index 0c7a9c7b..82ecf768 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -2,7 +2,8 @@
   "env": {
     "browser": true,
     "jquery": true,
-    "node": true
+    "node": true,
+    "es6": true
   },
   "globals": {
     "expect": true,
@@ -15,9 +16,7 @@
     "ecmaVersion": 6
   },
   "rules": {
-
     "camelcase": 2,
-    "curly": 2,
     "eqeqeq": 2,
     "indent": [
       2,
@@ -72,8 +71,6 @@
       2,
       5
     ],
-
-
     "curly": [
       2,
       "all"
@@ -132,13 +129,6 @@
       }
     ],
     "eol-last": 2,
-    "no-trailing-spaces": 2,
-    "indent": [
-      2,
-      2,
-      {
-        "SwitchCase": 1
-      }
-    ]
+    "no-trailing-spaces": 2
   }
 }
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 00000000..7474ed1c
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,4774 @@
+{
+  "name": "javascript-algorithms",
+  "version": "0.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "@jeremyckahn/minami": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@jeremyckahn/minami/-/minami-1.3.1.tgz",
+      "integrity": "sha512-jeOFPfq3zLxnQ0dhlhrZd5J0qZDdF1wkrNlr6ErVaGtjPTq9gn/NIK0GDOmGcAJgN/6yKwRdMxPy33u12lQWiQ==",
+      "dev": true
+    },
+    "accepts": {
+      "version": "1.3.7",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
+      "integrity": "sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==",
+      "dev": true,
+      "requires": {
+        "mime-types": "~2.1.24",
+        "negotiator": "0.6.2"
+      }
+    },
+    "acorn": {
+      "version": "5.7.3",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz",
+      "integrity": "sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw==",
+      "dev": true
+    },
+    "acorn-jsx": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz",
+      "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
+      "dev": true,
+      "requires": {
+        "acorn": "^3.0.4"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "3.3.0",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+          "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo=",
+          "dev": true
+        }
+      }
+    },
+    "ajv": {
+      "version": "4.11.8",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-4.11.8.tgz",
+      "integrity": "sha1-gv+wKynmYq5TvcIK8VlHcGc5xTY=",
+      "dev": true,
+      "requires": {
+        "co": "^4.6.0",
+        "json-stable-stringify": "^1.0.1"
+      }
+    },
+    "ajv-keywords": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-1.5.1.tgz",
+      "integrity": "sha1-MU3QpLM2j609/NxU7eYXG4htrzw=",
+      "dev": true
+    },
+    "ansi-escapes": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-1.4.0.tgz",
+      "integrity": "sha1-06ioOzGapneTZisT52HHkRQiMG4=",
+      "dev": true
+    },
+    "ansi-gray": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-gray/-/ansi-gray-0.1.1.tgz",
+      "integrity": "sha1-KWLPVOyXksSFEKPetSRDaGHvclE=",
+      "dev": true,
+      "requires": {
+        "ansi-wrap": "0.1.0"
+      }
+    },
+    "ansi-regex": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
+      "dev": true
+    },
+    "ansi-styles": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
+      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
+      "dev": true
+    },
+    "ansi-wrap": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/ansi-wrap/-/ansi-wrap-0.1.0.tgz",
+      "integrity": "sha1-qCJQ3bABXponyoLoLqYDu/pF768=",
+      "dev": true
+    },
+    "anymatch": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-2.0.0.tgz",
+      "integrity": "sha512-5teOsQWABXHHBFP9y3skS5P3d/WfWXpv3FUpy+LorMrNYaT9pI4oLMQX7jzQ2KklNpGpWHzdCXTDT2Y3XGlZBw==",
+      "dev": true,
+      "requires": {
+        "micromatch": "^3.1.4",
+        "normalize-path": "^2.1.1"
+      },
+      "dependencies": {
+        "normalize-path": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-2.1.1.tgz",
+          "integrity": "sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=",
+          "dev": true,
+          "requires": {
+            "remove-trailing-separator": "^1.0.1"
+          }
+        }
+      }
+    },
+    "apache-crypt": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/apache-crypt/-/apache-crypt-1.2.1.tgz",
+      "integrity": "sha1-1vxyqm0n2ZyVqU/RiNcx7v/6Zjw=",
+      "dev": true,
+      "requires": {
+        "unix-crypt-td-js": "^1.0.0"
+      }
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+    "apache-md5": {
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+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
+      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
+      "dev": true,
+      "requires": {
+        "sprintf-js": "~1.0.2"
+      }
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+    "arr-diff": {
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+      "integrity": "sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA=",
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diff --git a/src/combinatorics/variations-repetition.js b/src/combinatorics/variations-repetition.js
index 71c68f6a..22ba009c 100644
--- a/src/combinatorics/variations-repetition.js
+++ b/src/combinatorics/variations-repetition.js
@@ -1,7 +1,7 @@
 (function (exports) {
   'use strict';
 
-  var variationsWithRepetion = (function () {
+  var variationsWithRepetition = (function () {
     var res;
 
     function variations(arr, k, index, current) {
@@ -21,7 +21,7 @@
      *
      * @example
      * var variations = require('path-to-algorithms/src/combinatorics/' +
-     * 'variations-repetition').variationsWithRepetion;
+     * 'variations-repetition').variationsWithRepetition;
      * var result = variations(['apple', 'orange', 'pear'], 2);
      *
      * // [['apple', 'apple'],
@@ -50,6 +50,6 @@
     };
   }());
 
-  exports.variationsWithRepetion = variationsWithRepetion;
+  exports.variationsWithRepetition = variationsWithRepetition;
 
 }((typeof window === 'undefined') ? module.exports : window));
diff --git a/src/compression/runlength/runlength.js b/src/compression/runlength/runlength.js
index a530448d..f5cebb37 100644
--- a/src/compression/runlength/runlength.js
+++ b/src/compression/runlength/runlength.js
@@ -10,7 +10,7 @@
   var runLengthEncoding = (function () {
 
     /**
-     * Convers a given string to sequence of numbers
+     * Converts a given string to sequence of numbers
      * This takes O(n).
      */
     function convertToAscii(str) {
diff --git a/src/graphics/graham.js b/src/graphics/graham.js
index 019fd239..aa1d9862 100644
--- a/src/graphics/graham.js
+++ b/src/graphics/graham.js
@@ -10,7 +10,9 @@
     const sb = slope(p, b);
     [[sa, a], [sb, b]].forEach(e => {
       const el = memo.get(e[0]);
-      if (!el || dist(p, el) < dist(p, e[1])) memo.set(e[0], e[1]);
+      if (!el || dist(p, el) < dist(p, e[1])) {
+        memo.set(e[0], e[1]);
+      }
     });
     return sa - sb;
   };
@@ -40,12 +42,20 @@
    * //  { x: 0, y: 1 }]
    */
   const convexHull = all => {
-    if (!all.length) return [];
+    if (!all.length) {
+      return [];
+    }
 
     const p = all.reduce((a, c) => {
-      if (a.y < c.y) return a;
-      if (a.y > c.y) return c;
-      if (a.x < c.x) return a;
+      if (a.y < c.y) {
+        return a;
+      }
+      if (a.y > c.y) {
+        return c;
+      }
+      if (a.x < c.x) {
+        return a;
+      }
       return c;
     });
 
@@ -56,8 +66,9 @@
       .sort(sort.bind(null, p, memo))
       .filter(c => memo.get(slope(p, c)) === c)
       .forEach(p => {
-        while (stack.length > 1 && ccw(stack[stack.length - 2], stack[stack.length - 1], p) < 0)
+        while (stack.length > 1 && ccw(stack[stack.length - 2], stack[stack.length - 1], p) < 0) {
           stack.pop();
+        }
         stack.push(p);
       });
 
diff --git a/src/others/min-coins-change.js b/src/others/min-coins-change.js
index f0f07933..fa9419d8 100644
--- a/src/others/min-coins-change.js
+++ b/src/others/min-coins-change.js
@@ -4,7 +4,7 @@
   /**
    * Returns the minimum number of coins from given set,
    * which sum equals to given change. This is famous
-   * problem from the dymanic programming:
+   * problem from the dynamic programming:
    *  {@link https://en.wikipedia.org/wiki/Change-making_problem}
    *
    * @public
diff --git a/src/searching/recursive-binarysearch.js b/src/searching/recursive-binarysearch.js
index 1344bacd..bf4aa952 100644
--- a/src/searching/recursive-binarysearch.js
+++ b/src/searching/recursive-binarysearch.js
@@ -3,7 +3,7 @@
 
   var binarySearch = (function () {
     /**
-     * @pivate
+     * @private
      * @param {Array} array Array where we should find the index of the element
      * @param {Number} value Value of the element which index should be found
      * @param {Number} left Left index
diff --git a/src/sorting/quicksort-middle.js b/src/sorting/quicksort-middle.js
index 3e348765..88729ff4 100644
--- a/src/sorting/quicksort-middle.js
+++ b/src/sorting/quicksort-middle.js
@@ -17,7 +17,7 @@
 
     /**
      * Partitions the array in two parts by the middle elements.
-     * All elemnts which are less than the chosen one goes left from it
+     * All elements which are less than the chosen one goes left from it
      * all which are greater goes right from it.
      * Uses Hoare's partitioning algorithm.
      *
diff --git a/src/sorting/quicksort.js b/src/sorting/quicksort.js
index b54a84df..be3f6664 100644
--- a/src/sorting/quicksort.js
+++ b/src/sorting/quicksort.js
@@ -20,7 +20,7 @@
      * @param {array} array The array which contains the elements
      * @param {number} i The index of the first element
      * @param {number} j The index of the second element
-     * @returns {array} array The array with swaped elements
+     * @returns {array} array The array with swapped elements
      */
     function swap(array, i, j) {
       var temp = array[i];
diff --git a/test/graphics/grapham.spec.js b/test/graphics/grapham.spec.js
index 8b6db0e6..867b0875 100644
--- a/test/graphics/grapham.spec.js
+++ b/test/graphics/grapham.spec.js
@@ -8,7 +8,7 @@ const points = [
   { x: 0.5, y: 0.5 }
 ];
 
-describe("Graham's algorithm for convex hull", function() {
+describe('Graham\'s algorithm for convex hull', function() {
   'use strict';
 
   it('should not throw with empty list', () => {

From 30a95f25c01be0fcc7b0ae14e08c1ff52c72f1c4 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Tue, 2 Jul 2019 14:44:29 -0700
Subject: [PATCH 303/337] Update readme

---
 readme.md | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/readme.md b/readme.md
index af682e88..a26d2d1e 100644
--- a/readme.md
+++ b/readme.md
@@ -69,25 +69,25 @@ create a pull request.
 :---: |:---: |:---: |:---: |:---: |:---: |
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 ## License
 

From 50cd07e5a645fcf27c16d5a31384f6969d306ae0 Mon Sep 17 00:00:00 2001
From: Bruno Bradach <brunob15@users.noreply.github.com>
Date: Sun, 18 Aug 2019 21:10:27 -0300
Subject: [PATCH 304/337] Allow comparator function to remove complex data from
 LinkedList. Also, disable linebreak-style lint rule. (#155)

---
 .eslintrc.json                           |  2 +-
 src/data-structures/linked-list.js       |  5 ++--
 test/data-structures/linked-list.spec.js | 34 ++++++++++++++++++++++++
 3 files changed, 38 insertions(+), 3 deletions(-)

diff --git a/.eslintrc.json b/.eslintrc.json
index 82ecf768..90b26d15 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -50,7 +50,7 @@
     "no-empty": 2,
     "no-plusplus": 2,
     "no-undef": 2,
-    "linebreak-style": 2,
+    "linebreak-style": 0,
     "max-depth": [
       2,
       4
diff --git a/src/data-structures/linked-list.js b/src/data-structures/linked-list.js
index c8d22db5..9027f16e 100644
--- a/src/data-structures/linked-list.js
+++ b/src/data-structures/linked-list.js
@@ -134,7 +134,7 @@
    * @param {Object} data Data which should be removed.
    * @return {Boolean} Returns true if data has been removed.
    */
-  exports.LinkedList.prototype.remove = function (data) {
+  exports.LinkedList.prototype.remove = function (data, equals) {
     if (this.first === null) {
       return false;
     }
@@ -142,7 +142,8 @@
     var next;
     var prev;
     while (temp) {
-      if (temp.data === data) {
+      var dataFound = equals ? equals(temp.data, data) : temp.data === data;
+      if (dataFound) {
         next = temp.next;
         prev = temp.prev;
         if (next) {
diff --git a/test/data-structures/linked-list.spec.js b/test/data-structures/linked-list.spec.js
index 37ee7084..eb1d0e38 100644
--- a/test/data-structures/linked-list.spec.js
+++ b/test/data-structures/linked-list.spec.js
@@ -140,4 +140,38 @@ describe('Linked List', function () {
     }
     linkedList.inorder(callback);
   });
+  it('should delete data properly', function () {
+    var linkedList = new LinkedList();
+    linkedList.push(1);
+    linkedList.push(2);
+    linkedList.push(3);
+    linkedList.push(4);
+    linkedList.push(5);
+    linkedList.remove(3);
+    expect(linkedList.first.data).toBe(1);
+    expect(linkedList.first.next.data).toBe(2);
+    expect(linkedList.first.next.next.data).toBe(4);
+    expect(linkedList.first.next.next.next.data).toBe(5);
+    expect(linkedList.last.data).toBe(5);
+  });
+  it('should delete complex data properly', function () {
+    var linkedList = new LinkedList();
+    var item1 = {id: 1};
+    var item2 = {id: 2};
+    var item3 = {id: 3};
+    var item4 = {id: 4};
+    var item5 = {id: 5};
+    linkedList.push(item1);
+    linkedList.push(item2);
+    linkedList.push(item3);
+    linkedList.push(item4);
+    linkedList.push(item5);
+    var equals = function(a, b) { return a.id === b.id };
+    linkedList.remove({id: 3}, equals);
+    expect(linkedList.first.data).toBe(item1);
+    expect(linkedList.first.next.data).toBe(item2);
+    expect(linkedList.first.next.next.data).toBe(item4);
+    expect(linkedList.first.next.next.next.data).toBe(item5);
+    expect(linkedList.last.data).toBe(item5);
+  });
 });

From 0a94c97932643cf04f7c67a5207f4517ab213a6d Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Mon, 16 Sep 2019 12:30:14 -0700
Subject: [PATCH 305/337] Update the list of contributors

---
 readme.md | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/readme.md b/readme.md
index a26d2d1e..1235e2fd 100644
--- a/readme.md
+++ b/readme.md
@@ -77,17 +77,17 @@ create a pull request.
 :---: |:---: |:---: |:---: |:---: |:---: |
 [infusion](https://github.com/infusion) |[deniskyashif](https://github.com/deniskyashif) |[brunohadlich](https://github.com/brunohadlich) |[designeng](https://github.com/designeng) |[Microfed](https://github.com/Microfed) |[pkerpedjiev](https://github.com/pkerpedjiev) |
 
-[<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="emyarod" src="https://avatars3.githubusercontent.com/u/8265238?v=4&s=117" width="117">](https://github.com/emyarod) |[<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) |[<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) |[<img alt="BorislavBorisov22" src="https://avatars2.githubusercontent.com/u/20156662?v=4&s=117" width="117">](https://github.com/BorislavBorisov22) |[<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) |
+[<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="emyarod" src="https://avatars3.githubusercontent.com/u/8265238?v=4&s=117" width="117">](https://github.com/emyarod) |[<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) |[<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) |[<img alt="BorislavBorisov22" src="https://avatars2.githubusercontent.com/u/20156662?v=4&s=117" width="117">](https://github.com/BorislavBorisov22) |[<img alt="brunob15" src="https://avatars2.githubusercontent.com/u/5839627?v=4&s=117" width="117">](https://github.com/brunob15) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[emyarod](https://github.com/emyarod) |[alexjoverm](https://github.com/alexjoverm) |[amilajack](https://github.com/amilajack) |[BorislavBorisov22](https://github.com/BorislavBorisov22) |[ysharplanguage](https://github.com/ysharplanguage) |
+[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[emyarod](https://github.com/emyarod) |[alexjoverm](https://github.com/alexjoverm) |[amilajack](https://github.com/amilajack) |[BorislavBorisov22](https://github.com/BorislavBorisov22) |[brunob15](https://github.com/brunob15) |
 
-[<img alt="jurassix" src="https://avatars3.githubusercontent.com/u/1869117?v=4&s=117" width="117">](https://github.com/jurassix) |[<img alt="fisenkodv" src="https://avatars0.githubusercontent.com/u/1039447?v=4&s=117" width="117">](https://github.com/fisenkodv) |[<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) |[<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) |[<img alt="xiedezhuo" src="https://avatars3.githubusercontent.com/u/39017209?v=4&s=117" width="117">](https://github.com/xiedezhuo) |
+[<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) |[<img alt="jurassix" src="https://avatars3.githubusercontent.com/u/1869117?v=4&s=117" width="117">](https://github.com/jurassix) |[<img alt="fisenkodv" src="https://avatars0.githubusercontent.com/u/1039447?v=4&s=117" width="117">](https://github.com/fisenkodv) |[<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) |[<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[jurassix](https://github.com/jurassix) |[fisenkodv](https://github.com/fisenkodv) |[contra](https://github.com/contra) |[liesislukas](https://github.com/liesislukas) |[millerrach](https://github.com/millerrach) |[xiedezhuo](https://github.com/xiedezhuo) |
+[ysharplanguage](https://github.com/ysharplanguage) |[jurassix](https://github.com/jurassix) |[fisenkodv](https://github.com/fisenkodv) |[contra](https://github.com/contra) |[liesislukas](https://github.com/liesislukas) |[millerrach](https://github.com/millerrach) |
 
-[<img alt="DengYiping" src="https://avatars0.githubusercontent.com/u/12176046?v=4&s=117" width="117">](https://github.com/DengYiping) |[<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) |[<img alt="miyes90" src="https://avatars1.githubusercontent.com/u/6756730?v=4&s=117" width="117">](https://github.com/miyes90) |[<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |
-:---: |:---: |:---: |:---: |
-[DengYiping](https://github.com/DengYiping) |[fanixk](https://github.com/fanixk) |[miyes90](https://github.com/miyes90) |[shaunak1111](https://github.com/shaunak1111) |
+[<img alt="xiedezhuo" src="https://avatars3.githubusercontent.com/u/39017209?v=4&s=117" width="117">](https://github.com/xiedezhuo) |[<img alt="DengYiping" src="https://avatars0.githubusercontent.com/u/12176046?v=4&s=117" width="117">](https://github.com/DengYiping) |[<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) |[<img alt="miyes90" src="https://avatars1.githubusercontent.com/u/6756730?v=4&s=117" width="117">](https://github.com/miyes90) |[<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |
+:---: |:---: |:---: |:---: |:---: |
+[xiedezhuo](https://github.com/xiedezhuo) |[DengYiping](https://github.com/DengYiping) |[fanixk](https://github.com/fanixk) |[miyes90](https://github.com/miyes90) |[shaunak1111](https://github.com/shaunak1111) |
 
 ## License
 

From b8613951aaac132ca21ebaf07f05b61c83dc9fe9 Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Sat, 2 Nov 2019 16:13:39 -0700
Subject: [PATCH 306/337] Bump mixin-deep from 1.3.1 to 1.3.2 (#159)

Bumps [mixin-deep](https://github.com/jonschlinkert/mixin-deep) from 1.3.1 to 1.3.2.
- [Release notes](https://github.com/jonschlinkert/mixin-deep/releases)
- [Commits](https://github.com/jonschlinkert/mixin-deep/compare/1.3.1...1.3.2)

Signed-off-by: dependabot[bot] <support@github.com>
---
 yarn.lock | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/yarn.lock b/yarn.lock
index cae998a0..4cd67db2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2091,9 +2091,9 @@ minizlib@^1.1.1:
     minipass "^2.2.1"
 
 mixin-deep@^1.2.0:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/mixin-deep/-/mixin-deep-1.3.1.tgz#a49e7268dce1a0d9698e45326c5626df3543d0fe"
-  integrity sha512-8ZItLHeEgaqEvd5lYBXfm4EZSFCX29Jb9K+lAHhDKzReKBQKj3R+7NOF6tjqYi9t4oI8VUfaWITJQm86wnXGNQ==
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/mixin-deep/-/mixin-deep-1.3.2.tgz#1120b43dc359a785dce65b55b82e257ccf479566"
+  integrity sha512-WRoDn//mXBiJ1H40rqa3vH0toePwSsGb45iInWlTySa+Uu4k3tYUSxa2v1KqAiLtvlrSzaExqS1gtk96A9zvEA==
   dependencies:
     for-in "^1.0.2"
     is-extendable "^1.0.1"

From 21ad7006c2872aa280633c6eba43cd2c5bc20e1c Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Thu, 7 Nov 2019 10:28:27 -0800
Subject: [PATCH 307/337] Bump js-yaml from 3.13.0 to 3.13.1 (#160)

Bumps [js-yaml](https://github.com/nodeca/js-yaml) from 3.13.0 to 3.13.1.
- [Release notes](https://github.com/nodeca/js-yaml/releases)
- [Changelog](https://github.com/nodeca/js-yaml/blob/master/CHANGELOG.md)
- [Commits](https://github.com/nodeca/js-yaml/compare/3.13.0...3.13.1)

Signed-off-by: dependabot[bot] <support@github.com>
---
 yarn.lock | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/yarn.lock b/yarn.lock
index 4cd67db2..57e8122a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1736,9 +1736,9 @@ js-tokens@^3.0.2:
   integrity sha1-mGbfOVECEw449/mWvOtlRDIJwls=
 
 js-yaml@^3.5.1:
-  version "3.13.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.0.tgz#38ee7178ac0eea2c97ff6d96fff4b18c7d8cf98e"
-  integrity sha512-pZZoSxcCYco+DIKBTimr67J6Hy+EYGZDY/HCWC+iAEA9h1ByhMXAIVUXMcMFpOCxQ/xjXmPI2MkDL5HRm5eFrQ==
+  version "3.13.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
+  integrity sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==
   dependencies:
     argparse "^1.0.7"
     esprima "^4.0.0"

From fde6fd8058edcb24a27d62a37b8df90217c4610b Mon Sep 17 00:00:00 2001
From: Niraj <niraj38re@gmail.com>
Date: Fri, 8 Nov 2019 21:22:25 +0530
Subject: [PATCH 308/337] Optimized Bubble sort (#163)

---
 src/sorting/bubblesort.js | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/sorting/bubblesort.js b/src/sorting/bubblesort.js
index 7b5440ee..f39a18e2 100644
--- a/src/sorting/bubblesort.js
+++ b/src/sorting/bubblesort.js
@@ -25,14 +25,19 @@
   function bubbleSort(array, cmp) {
     cmp = cmp || comparator;
     var temp;
-    for (var i = 0; i < array.length; i += 1) {
-      for (var j = i; j > 0; j -= 1) {
-        if (cmp(array[j], array[j - 1]) < 0) {
+    for (var i = 0; i < array.length - 1 ; i += 1) {
+      var swapCount = 0;
+      for (var j = 0; j < array.length - 1 - i; j += 1) {
+        if (cmp(array[j], array[j + 1 ]) > 0) {
           temp = array[j];
-          array[j] = array[j - 1];
-          array[j - 1] = temp;
+          array[j] = array[j + 1];
+          array[j + 1] = temp;
+          swapCount += 1;
         }
       }
+      if (swapCount === 0){
+        break;
+      }
     }
     return array;
   }

From d66eccef5b7e6c76201db0c35ac0fc34595c6b36 Mon Sep 17 00:00:00 2001
From: Niraj <niraj38re@gmail.com>
Date: Fri, 8 Nov 2019 21:22:52 +0530
Subject: [PATCH 309/337] selectionsort - decrease outer loop iteration and
 remove extra variable (#161)

* decrease outer loop iteration.
do not iterate for last element as it is last one and no comarison left

* remove extra variable

* add debug config for vscode

* remove comment

* remove lint error

* remove vscode config file

* Bump js-yaml from 3.13.0 to 3.13.1 (#160)

Bumps [js-yaml](https://github.com/nodeca/js-yaml) from 3.13.0 to 3.13.1.
- [Release notes](https://github.com/nodeca/js-yaml/releases)
- [Changelog](https://github.com/nodeca/js-yaml/blob/master/CHANGELOG.md)
- [Commits](https://github.com/nodeca/js-yaml/compare/3.13.0...3.13.1)

Signed-off-by: dependabot[bot] <support@github.com>
---
 .gitignore                   | 1 +
 src/sorting/selectionsort.js | 9 +++------
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/.gitignore b/.gitignore
index 3fcdef0c..b563f830 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 node_modules
+.vscode
 npm-debug.log
 debug
 dist
diff --git a/src/sorting/selectionsort.js b/src/sorting/selectionsort.js
index dab9e000..3f71ff5f 100644
--- a/src/sorting/selectionsort.js
+++ b/src/sorting/selectionsort.js
@@ -25,20 +25,17 @@
    */
   var selectionSort = function (array, cmp) {
     cmp = cmp || compare;
-    var min;
     var idx;
     var temp;
-    for (var i = 0; i < array.length; i += 1) {
+    for (var i = 0; i < array.length - 1; i += 1) {
       idx = i;
-      min = array[i];
       for (var j = i + 1; j < array.length; j += 1) {
-        if (cmp(min, array[j]) > 0) {
-          min = array[j];
+        if (cmp(array[idx], array[j]) > 0) {
           idx = j;
         }
       }
       temp = array[i];
-      array[i] = min;
+      array[i] = array[idx];
       array[idx] = temp;
     }
     return array;

From 37b06435af05eafcf4d02b3cff8c0f11967abf6f Mon Sep 17 00:00:00 2001
From: BryanChan777 <43082778+BryanChan777@users.noreply.github.com>
Date: Mon, 25 Nov 2019 06:53:50 -0800
Subject: [PATCH 310/337] Update readme.md (#164)

---
 readme.md | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/readme.md b/readme.md
index 1235e2fd..f566a610 100644
--- a/readme.md
+++ b/readme.md
@@ -2,7 +2,7 @@
 
 [![Build Status](https://travis-ci.org/mgechev/javascript-algorithms.svg?branch=Jakehp-patch-1)](https://travis-ci.org/mgechev/javascript-algorithms)
 
-This repository contains JavaScript implementations of different famous Computer Science algorithms.
+This repository contains JavaScript implementations of famous computer science algorithms.
 
 API reference with usage examples available
 <a href="https://mgechev.github.io/javascript-algorithms/" target="_blank">here</a>.
@@ -37,7 +37,7 @@ Call:
 npm run test
 ```
 
-and all `*.spec.js` files will be executed.
+This will execute all `*.spec.js` files.
 
 **To deploy documentation site**
 
@@ -49,19 +49,17 @@ This requires you to have commit access to your Git remote.
 
 ## Contributions
 
-Fork the repo and make required changes. After that push your changes in branch, which is named according to the changes
-you did. Initiate the PR.
+Fork the repo and make required changes. Afterwards, push your changes in branch. The name will be according to the changes you did. Initiate the pull request.
 
-Make sure you're editor makes validations according to the `.jshintrc` in the root directory of the repository.
+Make sure your editor makes validations according to the `.jshintrc` in the root directory of the repository.
 
-Before pushing to the repository run:
+Before pushing to the repository, run:
 
 ```bash
 npm run build
 ```
 
-If the build is not successful fix your code in order the tests and jshint validation to run successfully and after that
-create a pull request.
+If the build is not successful, fix your code in order for the tests and jshint validation to run successfully. Then create a pull request.
 
 ## Contributors
 

From 73ecf25e0e5f1ec88feb947870faa5ace711389d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcelo=20Magalh=C3=A3es?= <magalhaesmarcelo@outlook.com.br>
Date: Mon, 13 Jan 2020 14:42:55 -0300
Subject: [PATCH 311/337] Fix AVLTree remove (#139) (#165)

---
 src/data-structures/avl-tree.js       |  6 ++----
 test/data-structures/avl-tree.spec.js | 27 +++++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 4 deletions(-)

diff --git a/src/data-structures/avl-tree.js b/src/data-structures/avl-tree.js
index 6e65f904..b1d8b2d2 100644
--- a/src/data-structures/avl-tree.js
+++ b/src/data-structures/avl-tree.js
@@ -110,9 +110,7 @@
     // y should be child of z with larger height
     // (cannot be ancestor of removed node)
     var y;
-    if (z._left !== null && z._right !== null){
-      y = (z._left === y) ? z._right : z._left;
-    } else if (z._left !== null && z._right === null){
+    if ((z._left !== null && z._right !== null) || (z._left !== null && z._right === null)){
       y = z._left;
     } else if (z._right !== null && z._left === null){
       y = z._right;
@@ -602,7 +600,7 @@
       var temp = node.value;
       node.value = min.value;
       min.value = temp;
-      return this.remove(min);
+      return this.remove(temp);
     } else {
       if (node._left) {
         this._replaceChild(node._parent, node, node._left);
diff --git a/test/data-structures/avl-tree.spec.js b/test/data-structures/avl-tree.spec.js
index dbe969be..6e35be24 100644
--- a/test/data-structures/avl-tree.spec.js
+++ b/test/data-structures/avl-tree.spec.js
@@ -163,4 +163,31 @@ describe('AVL Tree', function () {
     expect(avlTree._root._right.value).toBe(25);
     expect(avlTree._root._right._height).toBe(1);
   });
+  it('should remove nodes and balance properly (3)', function () {
+    var avlTree = new AVLTree();
+    avlTree.insert(55);
+    avlTree.insert(25);
+    avlTree.insert(11);
+    avlTree.insert(1);
+    avlTree.remove(55);
+    avlTree.insert(32);
+    avlTree.insert(37);
+    avlTree.insert(41);
+    avlTree.insert(8);
+    avlTree.insert(44);
+    avlTree.insert(6);
+    avlTree.remove(32);
+    avlTree.remove(11);
+    avlTree.remove(25);    
+    
+    // depth 1
+    expect(avlTree._root.value).toBe(37);
+    expect(avlTree._root._height).toBe(4);
+    // depth 2
+    expect(avlTree._root._left.value).toBe(6);
+    expect(avlTree._root._left._height).toBe(3);
+
+    expect(avlTree._root._right.value).toBe(41);
+    expect(avlTree._root._right._height).toBe(2);
+  });
 });

From fc29658af6a87a1753ceb6d7766bf7ec80ac4279 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Mon, 13 Jan 2020 12:17:48 -0800
Subject: [PATCH 312/337] docs: update the list of contributors

---
 readme.md | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/readme.md b/readme.md
index f566a610..b10aef31 100644
--- a/readme.md
+++ b/readme.md
@@ -71,21 +71,25 @@ If the build is not successful, fix your code in order for the tests and jshint
 :---: |:---: |:---: |:---: |:---: |:---: |
 [krzysztof-grzybek](https://github.com/krzysztof-grzybek) |[pvoznenko](https://github.com/pvoznenko) |[jettcalleja](https://github.com/jettcalleja) |[filipefalcaos](https://github.com/filipefalcaos) |[kdamball](https://github.com/kdamball) |[lekkas](https://github.com/lekkas) |
 
-[<img alt="infusion" src="https://avatars3.githubusercontent.com/u/197742?v=4&s=117" width="117">](https://github.com/infusion) |[<img alt="deniskyashif" src="https://avatars2.githubusercontent.com/u/5999271?v=4&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="brunohadlich" src="https://avatars2.githubusercontent.com/u/7043013?v=4&s=117" width="117">](https://github.com/brunohadlich) |[<img alt="designeng" src="https://avatars0.githubusercontent.com/u/2807469?v=4&s=117" width="117">](https://github.com/designeng) |[<img alt="Microfed" src="https://avatars1.githubusercontent.com/u/613179?v=4&s=117" width="117">](https://github.com/Microfed) |[<img alt="pkerpedjiev" src="https://avatars3.githubusercontent.com/u/2143629?v=4&s=117" width="117">](https://github.com/pkerpedjiev) |
+[<img alt="infusion" src="https://avatars3.githubusercontent.com/u/197742?v=4&s=117" width="117">](https://github.com/infusion) |[<img alt="deniskyashif" src="https://avatars2.githubusercontent.com/u/5999271?v=4&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="brunohadlich" src="https://avatars2.githubusercontent.com/u/7043013?v=4&s=117" width="117">](https://github.com/brunohadlich) |[<img alt="designeng" src="https://avatars0.githubusercontent.com/u/2807469?v=4&s=117" width="117">](https://github.com/designeng) |[<img alt="Microfed" src="https://avatars1.githubusercontent.com/u/613179?v=4&s=117" width="117">](https://github.com/Microfed) |[<img alt="Nirajkashyap" src="https://avatars3.githubusercontent.com/u/4338110?v=4&s=117" width="117">](https://github.com/Nirajkashyap) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[infusion](https://github.com/infusion) |[deniskyashif](https://github.com/deniskyashif) |[brunohadlich](https://github.com/brunohadlich) |[designeng](https://github.com/designeng) |[Microfed](https://github.com/Microfed) |[pkerpedjiev](https://github.com/pkerpedjiev) |
+[infusion](https://github.com/infusion) |[deniskyashif](https://github.com/deniskyashif) |[brunohadlich](https://github.com/brunohadlich) |[designeng](https://github.com/designeng) |[Microfed](https://github.com/Microfed) |[Nirajkashyap](https://github.com/Nirajkashyap) |
 
-[<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="emyarod" src="https://avatars3.githubusercontent.com/u/8265238?v=4&s=117" width="117">](https://github.com/emyarod) |[<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) |[<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) |[<img alt="BorislavBorisov22" src="https://avatars2.githubusercontent.com/u/20156662?v=4&s=117" width="117">](https://github.com/BorislavBorisov22) |[<img alt="brunob15" src="https://avatars2.githubusercontent.com/u/5839627?v=4&s=117" width="117">](https://github.com/brunob15) |
+[<img alt="pkerpedjiev" src="https://avatars3.githubusercontent.com/u/2143629?v=4&s=117" width="117">](https://github.com/pkerpedjiev) |[<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="dependabot[bot]" src="https://avatars0.githubusercontent.com/in/29110?v=4&s=117" width="117">](https://github.com/apps/dependabot) |[<img alt="emyarod" src="https://avatars3.githubusercontent.com/u/8265238?v=4&s=117" width="117">](https://github.com/emyarod) |[<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) |[<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[emyarod](https://github.com/emyarod) |[alexjoverm](https://github.com/alexjoverm) |[amilajack](https://github.com/amilajack) |[BorislavBorisov22](https://github.com/BorislavBorisov22) |[brunob15](https://github.com/brunob15) |
+[pkerpedjiev](https://github.com/pkerpedjiev) |[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[dependabot[bot]](https://github.com/apps/dependabot) |[emyarod](https://github.com/emyarod) |[alexjoverm](https://github.com/alexjoverm) |[amilajack](https://github.com/amilajack) |
 
-[<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) |[<img alt="jurassix" src="https://avatars3.githubusercontent.com/u/1869117?v=4&s=117" width="117">](https://github.com/jurassix) |[<img alt="fisenkodv" src="https://avatars0.githubusercontent.com/u/1039447?v=4&s=117" width="117">](https://github.com/fisenkodv) |[<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) |[<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) |[<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) |
+[<img alt="BorislavBorisov22" src="https://avatars2.githubusercontent.com/u/20156662?v=4&s=117" width="117">](https://github.com/BorislavBorisov22) |[<img alt="brunob15" src="https://avatars2.githubusercontent.com/u/5839627?v=4&s=117" width="117">](https://github.com/brunob15) |[<img alt="BryanChan777" src="https://avatars0.githubusercontent.com/u/43082778?v=4&s=117" width="117">](https://github.com/BryanChan777) |[<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) |[<img alt="jurassix" src="https://avatars3.githubusercontent.com/u/1869117?v=4&s=117" width="117">](https://github.com/jurassix) |[<img alt="fisenkodv" src="https://avatars0.githubusercontent.com/u/1039447?v=4&s=117" width="117">](https://github.com/fisenkodv) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[ysharplanguage](https://github.com/ysharplanguage) |[jurassix](https://github.com/jurassix) |[fisenkodv](https://github.com/fisenkodv) |[contra](https://github.com/contra) |[liesislukas](https://github.com/liesislukas) |[millerrach](https://github.com/millerrach) |
+[BorislavBorisov22](https://github.com/BorislavBorisov22) |[brunob15](https://github.com/brunob15) |[BryanChan777](https://github.com/BryanChan777) |[ysharplanguage](https://github.com/ysharplanguage) |[jurassix](https://github.com/jurassix) |[fisenkodv](https://github.com/fisenkodv) |
 
-[<img alt="xiedezhuo" src="https://avatars3.githubusercontent.com/u/39017209?v=4&s=117" width="117">](https://github.com/xiedezhuo) |[<img alt="DengYiping" src="https://avatars0.githubusercontent.com/u/12176046?v=4&s=117" width="117">](https://github.com/DengYiping) |[<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) |[<img alt="miyes90" src="https://avatars1.githubusercontent.com/u/6756730?v=4&s=117" width="117">](https://github.com/miyes90) |[<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |
-:---: |:---: |:---: |:---: |:---: |
-[xiedezhuo](https://github.com/xiedezhuo) |[DengYiping](https://github.com/DengYiping) |[fanixk](https://github.com/fanixk) |[miyes90](https://github.com/miyes90) |[shaunak1111](https://github.com/shaunak1111) |
+[<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) |[<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) |[<img alt="marrcelo" src="https://avatars3.githubusercontent.com/u/18054556?v=4&s=117" width="117">](https://github.com/marrcelo) |[<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) |[<img alt="xiedezhuo" src="https://avatars3.githubusercontent.com/u/39017209?v=4&s=117" width="117">](https://github.com/xiedezhuo) |[<img alt="DengYiping" src="https://avatars0.githubusercontent.com/u/12176046?v=4&s=117" width="117">](https://github.com/DengYiping) |
+:---: |:---: |:---: |:---: |:---: |:---: |
+[contra](https://github.com/contra) |[liesislukas](https://github.com/liesislukas) |[marrcelo](https://github.com/marrcelo) |[millerrach](https://github.com/millerrach) |[xiedezhuo](https://github.com/xiedezhuo) |[DengYiping](https://github.com/DengYiping) |
+
+[<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) |[<img alt="miyes90" src="https://avatars1.githubusercontent.com/u/6756730?v=4&s=117" width="117">](https://github.com/miyes90) |[<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |
+:---: |:---: |:---: |
+[fanixk](https://github.com/fanixk) |[miyes90](https://github.com/miyes90) |[shaunak1111](https://github.com/shaunak1111) |
 
 ## License
 

From 888ad5188c8fb924e2850997f5a109f202125e34 Mon Sep 17 00:00:00 2001
From: Thomas Duffy <tomduffy@yahoo.com>
Date: Tue, 7 Apr 2020 10:26:46 -0700
Subject: [PATCH 313/337] Add interpolation algo (#158)

* Add interpolation algo

* Update src/searching/interpolation-search.js

Co-authored-by: Minko Gechev <mgechev@gmail.com>
---
 src/searching/interpolation-search.js       | 54 +++++++++++++++++++++
 test/searching/interpolation-search.spec.js | 22 +++++++++
 2 files changed, 76 insertions(+)
 create mode 100644 src/searching/interpolation-search.js
 create mode 100644 test/searching/interpolation-search.spec.js

diff --git a/src/searching/interpolation-search.js b/src/searching/interpolation-search.js
new file mode 100644
index 00000000..2241c74c
--- /dev/null
+++ b/src/searching/interpolation-search.js
@@ -0,0 +1,54 @@
+(function(exports) {
+  'use strict';
+  /**
+   * Searches for specific element in a given array using
+   * the jump search algorithm.<br><br>
+   * Time complexity: O(log N).
+   *
+   * @example
+   *
+   * var search = require('path-to-algorithms/src/searching/'+
+   * 'interpolation-search').interpolationSearch;
+   * console.log(search([1, 2, 3, 4, 5], 4)); // 3
+   *
+   * @public
+   * @module searching/interpolation-search
+   * @param {Array} sortedArray Input array.
+   * @param {Number} seekIndex of the element which index should be found.
+   * @returns {Number} Index of the element or -1 if not found.
+   */
+  function interpolationSearch(sortedArray, seekIndex) {
+    let leftIndex = 0;
+    let rightIndex = sortedArray.length - 1;
+
+    while (leftIndex <= rightIndex) {
+      const rangeDiff = sortedArray[rightIndex] - sortedArray[leftIndex];
+      const indexDiff = rightIndex - leftIndex;
+      const valueDiff = seekIndex - sortedArray[leftIndex];
+
+      if (valueDiff < 0) {
+        return -1;
+      }
+
+      if (!rangeDiff) {
+        return sortedArray[leftIndex] === seekIndex ? leftIndex : -1;
+      }
+
+      const middleIndex =
+        leftIndex + Math.floor((valueDiff * indexDiff) / rangeDiff);
+
+      if (sortedArray[middleIndex] === seekIndex) {
+        return middleIndex;
+      }
+
+      if (sortedArray[middleIndex] < seekIndex) {
+        leftIndex = middleIndex + 1;
+      } else {
+        rightIndex = middleIndex - 1;
+      }
+    }
+
+    return -1;
+  }
+  exports.interpolationSearch = interpolationSearch;
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/test/searching/interpolation-search.spec.js b/test/searching/interpolation-search.spec.js
new file mode 100644
index 00000000..26757a4e
--- /dev/null
+++ b/test/searching/interpolation-search.spec.js
@@ -0,0 +1,22 @@
+var interpolationSearch = require('../../src/searching/interpolation-search')
+  .interpolationSearch;
+
+describe('Interpolation search', function() {
+  'use strict';
+
+  it('should find the element at position 0 ', function() {
+    expect(interpolationSearch([1, 2, 3, 4, 6, 8], 1)).toBe(0);
+  });
+
+  it('should find the element at position 4 ', function() {
+    expect(interpolationSearch([1, 2, 3, 4, 6, 8], 6)).toBe(4);
+  });
+
+  it('should return -1 if element is not found', function() {
+    expect(interpolationSearch([1, 2, 3, 4, 6, 8], 17)).toBe(-1);
+  });
+
+  it('should return -1 if array is empty', function() {
+    expect(interpolationSearch([], 10)).toBe(-1);
+  });
+});

From 9fd51ef1ed587941a9a7eaa7c83114ee302c2a70 Mon Sep 17 00:00:00 2001
From: Thomas Duffy <tomduffy@yahoo.com>
Date: Tue, 7 Apr 2020 10:27:01 -0700
Subject: [PATCH 314/337] Add jump search algo (#157)

* Add jump search algo

* Update src/searching/jump-search.js

Co-authored-by: Minko Gechev <mgechev@gmail.com>
---
 src/searching/jump-search.js       | 56 ++++++++++++++++++++++++++++++
 test/searching/jump-search.spec.js | 21 +++++++++++
 2 files changed, 77 insertions(+)
 create mode 100644 src/searching/jump-search.js
 create mode 100644 test/searching/jump-search.spec.js

diff --git a/src/searching/jump-search.js b/src/searching/jump-search.js
new file mode 100644
index 00000000..d697c94a
--- /dev/null
+++ b/src/searching/jump-search.js
@@ -0,0 +1,56 @@
+(function(exports) {
+  'use strict';
+  /**
+   * Searches for specific element in a given array using
+   * the jump search algorithm.<br><br>
+   * Time complexity: O(log N).
+   *
+   * @example
+   *
+   * var search = require('path-to-algorithms/src/searching/'+
+   * 'jump-search').jumpSearch;
+   * console.log(search([1, 2, 3, 4, 5], 4)); // 3
+   *
+   * @public
+   * @module searching/jumpsearch
+   * @param {Array} sortedArray Input array.
+   * @param {Number} seekIndex of the element which index should be found.
+   * @returns {Number} Index of the element or -1 if not found.
+   */
+  function jumpSearch(sortedArray, seekIndex) {
+    // exit if array empty
+    const arrayLength = sortedArray.length;
+    if (!arrayLength) {
+      return -1;
+    }
+
+    // set jumpSize
+    const jumpSize = Math.floor(Math.sqrt(arrayLength));
+
+    let blockStart = 0;
+    let blockEnd = jumpSize;
+
+    while (seekIndex > sortedArray[Math.min(blockEnd, arrayLength) - 1]) {
+      blockStart = blockEnd;
+      blockEnd += jumpSize;
+
+      //  if out of array bounds exit
+      if (blockStart > arrayLength) {
+        return -1;
+      }
+    }
+
+    let currentIndex = blockStart;
+    while (currentIndex < Math.min(blockEnd, arrayLength)) {
+      if (sortedArray[currentIndex] === seekIndex) {
+        return currentIndex;
+      }
+
+      currentIndex += 1;
+    }
+
+    return -1;
+  }
+
+  exports.jumpSearch = jumpSearch;
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/test/searching/jump-search.spec.js b/test/searching/jump-search.spec.js
new file mode 100644
index 00000000..3f9b2b76
--- /dev/null
+++ b/test/searching/jump-search.spec.js
@@ -0,0 +1,21 @@
+var jumpSearch = require('../../src/searching/jump-search').jumpSearch;
+
+describe('Jump search', function() {
+  'use strict';
+
+  it('should find the element at position 0 ', function() {
+    expect(jumpSearch([1, 2, 3, 4, 6, 8], 1)).toBe(0);
+  });
+
+  it('should find the element at position 4 ', function() {
+    expect(jumpSearch([1, 2, 3, 4, 6, 8], 6)).toBe(4);
+  });
+
+  it('should return -1 ', function() {
+    expect(jumpSearch([1, 2, 3, 4, 6, 8], 10)).toBe(-1);
+  });
+
+  it('should return -1 ', function() {
+    expect(jumpSearch([], 10)).toBe(-1);
+  });
+});

From d5342122eb1506bb86d3e6ff80a0622d0ffd7830 Mon Sep 17 00:00:00 2001
From: Milko Venkov <milko.venkov@gmail.com>
Date: Thu, 16 Apr 2020 20:44:36 +0300
Subject: [PATCH 315/337] Fix typo in interpolation search algorithm, #169
 (#170)

---
 src/searching/interpolation-search.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/searching/interpolation-search.js b/src/searching/interpolation-search.js
index 2241c74c..04202079 100644
--- a/src/searching/interpolation-search.js
+++ b/src/searching/interpolation-search.js
@@ -2,8 +2,9 @@
   'use strict';
   /**
    * Searches for specific element in a given array using
-   * the jump search algorithm.<br><br>
-   * Time complexity: O(log N).
+   * the interpolation search algorithm.<br><br>
+   * Time complexity: O(log log N) when elements are uniformly
+   * distributed, and O(N) in the worst case
    *
    * @example
    *

From 01caa0dc875f0c5bc901473bab610ef6861ea25f Mon Sep 17 00:00:00 2001
From: Krzysztof Grzybek <krzysztof.grzybek89@gmail.com>
Date: Mon, 27 Apr 2020 19:47:09 +0200
Subject: [PATCH 316/337] Minimax implementation (#171)

* minimax

* remove blank line

Co-Authored-By: Minko Gechev <mgechev@gmail.com>

* cr fixes

* simple game tests added

Co-authored-by: Minko Gechev <mgechev@gmail.com>
---
 src/others/minimax.js                 | 120 +++++++++++
 test/data-structures/avl-tree.spec.js |   4 +-
 test/others/minimax.spec.js           | 277 ++++++++++++++++++++++++++
 3 files changed, 399 insertions(+), 2 deletions(-)
 create mode 100644 src/others/minimax.js
 create mode 100644 test/others/minimax.spec.js

diff --git a/src/others/minimax.js b/src/others/minimax.js
new file mode 100644
index 00000000..7cee9a37
--- /dev/null
+++ b/src/others/minimax.js
@@ -0,0 +1,120 @@
+(function (exports) {
+  'use strict';
+  /* eslint max-params: 0 */
+
+  /**
+  * @param {Function} getPossibleNextStatesFn Function which returns all possible next moves with states .
+  * @param {Function} isGameOverFn Function which returns if game is over.
+  * @param {Function} getScoreFn Function which returns score.
+  * @return {Function} minimax function
+   */
+  function minimaxBuilder(
+    getPossibleNextStatesFn,
+    isGameOverFn,
+    getScoreFn
+  ) {
+    /**
+     * Minimax (sometimes MinMax, MM[1] or saddle point[2]) is a decision rule used in artificial intelligence,
+     * decision theory, game theory, statistics, and philosophy for minimizing the possible loss for a worst case (maximum loss) scenario.
+     * Optimized with alpha-beta pruning.
+     *  {@link https://en.wikipedia.org/wiki/Minimax}
+     *  {@link https://en.wikipedia.org/wiki/Alpha%E2%80%93beta_pruning}
+     *
+     * @public
+     * @module others/minimax
+     *
+     * @example
+     *
+     * var miniMax =
+     *  require('path-to-algorithms/src/others/minimax').minimax;
+     * var result = minimax(
+     *   [1, 2, 3],
+     *   true,
+     *   5,
+     *   -Infinity,
+     *   Infinity,
+     *   state => ({ move: 0, state: [2, 3, 4] }),
+     *   state => state[1] < 3,
+     *   state => state[1]
+     * );
+     *
+     * @param {*} state Current game state
+     * @param {Boolean} maximize Defines if the result should be maximized or minimized
+     * @param {Number} depth Defines the maximum depth search
+     * @param {Number} alpha Maximum score that the minimizing player is assured
+     * @param {Number} beta Minimum score that the maximizing player is assured
+     * @return {{score: Number, move: *}} which contains the minimum coins from the given
+     *  list, required for the change.
+     */
+    const minimax = (
+      state,
+      maximize,
+      depth,
+      alpha,
+      beta
+    ) => {
+      if (depth === 0 || isGameOverFn(state)) {
+        const score = getScoreFn(state);
+        return {score, move: null};
+      }
+
+      const possibleMoveResults = getPossibleNextStatesFn(state);
+
+      if (maximize) {
+
+        let maxResult = {score: -Infinity, move: null};
+
+        for (const next of possibleMoveResults) {
+          const result = minimax(
+            next.state,
+            false,
+            depth - 1,
+            alpha,
+            beta,
+          );
+
+          if (result.score > maxResult.score) {
+            maxResult = {score: result.score, move: next.move};
+          }
+
+          alpha = Math.max(alpha, result.score);
+
+          if (alpha >= beta) {
+            break;
+          }
+        }
+
+        return maxResult;
+      } else {
+        let minResult = {score: Infinity, move: null};
+
+        for (const next of possibleMoveResults) {
+          const result = minimax(
+            next.state,
+            true,
+            depth - 1,
+            alpha,
+            beta,
+          );
+
+          if (result.score < minResult.score) {
+            minResult = {score: result.score, move: next.move};
+          }
+
+          beta = Math.min(beta, result.score);
+
+          if (beta <= alpha) {
+            break;
+          }
+        }
+
+        return minResult;
+      }
+    }
+
+    return minimax;
+  }
+
+  exports.minimaxBuilder = minimaxBuilder;
+
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/test/data-structures/avl-tree.spec.js b/test/data-structures/avl-tree.spec.js
index 6e35be24..509b4906 100644
--- a/test/data-structures/avl-tree.spec.js
+++ b/test/data-structures/avl-tree.spec.js
@@ -178,8 +178,8 @@ describe('AVL Tree', function () {
     avlTree.insert(6);
     avlTree.remove(32);
     avlTree.remove(11);
-    avlTree.remove(25);    
-    
+    avlTree.remove(25);
+
     // depth 1
     expect(avlTree._root.value).toBe(37);
     expect(avlTree._root._height).toBe(4);
diff --git a/test/others/minimax.spec.js b/test/others/minimax.spec.js
new file mode 100644
index 00000000..a867d893
--- /dev/null
+++ b/test/others/minimax.spec.js
@@ -0,0 +1,277 @@
+const minimaxBuilder = require('../../src/others/minimax.js').minimaxBuilder;
+
+describe('Minimax', function () {
+  'use strict';
+
+  it('builder should be defined', function () {
+    expect(minimaxBuilder).toBeDefined();
+  });
+
+  describe('with tic tac toe', function () {
+    let game = ticTacToe();
+
+    function getAllNextStates(state) {
+      const possibleMoves = game.emptyCells(state);
+
+      return possibleMoves.map(move => ({
+        move,
+        state: game.nextState(state, move),
+      }));
+    }
+
+    const minimaxForX = minimaxBuilder(
+      getAllNextStates,
+      state => game.isGameOver(state),
+      state => game.getScore(state).x - game.getScore(state).o
+    )
+
+    const minimaxForO = minimaxBuilder(
+      getAllNextStates,
+      state => game.isGameOver(state),
+      state => game.getScore(state).o - game.getScore(state).x
+    )
+
+    it('should win versus dumb agent as first player', function () {
+      let state = game.newState('x');
+
+      while (!game.isGameOver(state)) {
+        if (state.turn === 'x') {
+          state = game.nextState(state, minimaxForX(state, true, 5, -Infinity, Infinity).move);
+        } else {
+          const move = game.emptyCells(state)[0];
+          state = game.nextState(state, move);
+        }
+      }
+
+      expect(game.isGameOver(state)).toBe(true);
+      expect(game.getScore(state)).toEqual({x: 1, o: 0});
+    });
+
+    it('should win versus dumb agent as second player', function () {
+      let state = game.newState('x');
+
+      while (!game.isGameOver(state)) {
+        if (state.turn === 'o') {
+          state = game.nextState(state, minimaxForO(state, true, 5, -Infinity, Infinity).move);
+        } else {
+          const move = game.emptyCells(state)[0];
+          state = game.nextState(state, move);
+        }
+      }
+
+      expect(game.isGameOver(state)).toBe(true);
+      expect(game.getScore(state)).toEqual({x: 0, o: 1});
+    });
+
+
+    it('should be a tie for two minimax agents', function () {
+      let state = game.newState('x');
+
+      while (!game.isGameOver(state)) {
+        if (state.turn === 'o') {
+          state = game.nextState(state, minimaxForO(state, true, 5, -Infinity, Infinity).move);
+        } else {
+          state = game.nextState(state, minimaxForX(state, true, 5, -Infinity, Infinity).move);
+        }
+      }
+      expect(game.isGameOver(state)).toBe(true);
+      expect(game.getScore(state)).toEqual({x: 0, o: 0});
+    });
+  });
+
+  describe('with simple game', function () {
+    let game = simpleGame();
+
+    const minimaxForA = minimaxBuilder(
+      state => [true, false].map(move => ({ move, state: game.nextState(state, move)})),
+      state => game.isGameOver(state),
+      state => game.getScore(state).A - game.getScore(state).B
+    );
+    const minimaxForB = minimaxBuilder(
+      state => [true, false].map(move => ({ move, state: game.nextState(state, move)})),
+      state => game.isGameOver(state),
+      state => game.getScore(state).B - game.getScore(state).A
+    );
+
+    it('should win versus dumb agent as a first player', function () {
+      /*         o
+              /     \
+             o        o
+          /    \     /  \
+         o     o    o    o
+        / \   / \  / \   / \
+      -1   1 1  1  1 -1  1   -1
+      */
+      const binaryTree = [0, 0, 0, 0, 0, 0, 0, -1, 1, 1, 1, 1, -1, 1, -1];
+      let state = game.newState(binaryTree);
+
+      while (!game.isGameOver(state)) {
+        if (state.turn === 'A') {
+          state = game.nextState(state, minimaxForA(state, true, 5, -Infinity, Infinity).move);
+        } else {
+          state = game.nextState(state, false);
+        }
+      }
+
+      expect(game.isGameOver(state)).toBe(true);
+      expect(game.getScore(state)).toEqual({A: 1, B: -1});
+    });
+
+    it('should win versus dumb agent as a second player', function () {
+      /*     o
+           /    \
+          o      o
+         /  \   /  \
+        -1  -1 -1   1
+       */
+      const binaryTree = [0, 0, 0, -1, -1, -1, 1];
+      let state = game.newState(binaryTree);
+
+      while (!game.isGameOver(state)) {
+        if (state.turn === 'B') {
+          state = game.nextState(state, minimaxForB(state, true, 5, -Infinity, Infinity).move);
+        } else {
+          state = game.nextState(state, false);
+        }
+      }
+
+      expect(game.isGameOver(state)).toBe(true);
+      expect(game.getScore(state)).toEqual({A: -1, B: 1});
+    });
+  });
+});
+
+function ticTacToe() {
+  'use strict';
+
+  function newState(turn) {
+    return {
+      board: [[0, 0, 0],
+        [0, 0, 0],
+        [0, 0, 0]],
+      turn
+    };
+  }
+
+  function emptyCells(state) {
+    const result = [];
+    state.board.forEach((row, y) => {
+      row.forEach((cell, x) => {
+        if (cell === 0) {
+          result.push({x, y})
+        }
+      });
+    });
+
+    return result;
+  }
+
+  function getWinner(state) {
+    const winVariants = [
+      [{x: 0, y: 0}, {x: 0, y: 1}, {x: 0, y: 2}],
+      [{x: 1, y: 0}, {x: 1, y: 1}, {x: 1, y: 2}],
+      [{x: 2, y: 0}, {x: 2, y: 1}, {x: 2, y: 2}],
+
+      [{x: 0, y: 0}, {x: 1, y: 0}, {x: 2, y: 0}],
+      [{x: 0, y: 1}, {x: 1, y: 1}, {x: 2, y: 1}],
+      [{x: 0, y: 2}, {x: 1, y: 0}, {x: 2, y: 2}],
+
+      [{x: 0, y: 0}, {x: 1, y: 1}, {x: 2, y: 2}],
+      [{x: 2, y: 0}, {x: 1, y: 1}, {x: 2, y: 0}],
+    ];
+
+    for (const variant of winVariants) {
+      const combo = variant.map(cell => state.board[cell.y][cell.x]).join('');
+      if (combo === 'xxx') {
+        return 'x';
+      } else if (combo === 'ooo') {
+        return 'o';
+      }
+    }
+
+    return null;
+  }
+
+  function allFieldsMarked(state) {
+    return state.board.every(row => row.every(cell => cell !== 0));
+  }
+
+  function isGameOver(state) {
+    return allFieldsMarked(state) || getWinner(state) !== null;
+  }
+
+  function getScore(state) {
+    if (getWinner(state) === 'x') {
+      return {x: 1, o: 0};
+    } else if (getWinner(state) === 'o') {
+      return {x: 0, o: 1};
+    }
+
+    return {x: 0, o: 0};
+  }
+
+  function nextState(state, move) {
+    const newBoard = state.board.map(row => row.slice());
+    newBoard[move.y][move.x] = state.turn;
+    return {
+      board: newBoard,
+      turn: state.turn === 'x' ? 'o' : 'x',
+    };
+  }
+
+  return {
+    newState,
+    getScore,
+    nextState,
+    isGameOver,
+    emptyCells,
+  }
+}
+
+
+/* A simple game made for the purpose of minimax testing. The game has a binary tree with end values: 1 for  player A win and -1 for player B win.
+ Game starts from the root node and each player has a binary choose - "false" moves to the left child and "true" moves to the right child.
+ The game ends when the very bottom leaf is reached.
+       o
+     /    \
+    o      o
+   /  \   /  \
+  1  -1 -1   -1
+ */
+function simpleGame() {
+  'use strict';
+
+  function newState(binaryTree) {
+    return {
+      turn: 'A',
+      tree: binaryTree,
+      position: 0,
+    };
+  }
+
+  function nextState(state, move) {
+    return {
+      tree: state.tree,
+      position: move ? state.position * 2 + 2 : state.position * 2 + 1,
+      turn: state.turn === 'A' ? 'B' : 'A',
+    };
+  }
+
+  function isGameOver(state) {
+    return state.tree[state.position] !== 0;
+  }
+
+  function getScore(state) {
+    return {
+      A: state.tree[state.position],
+      B: state.tree[state.position] === 0 ? 0 : -state.tree[state.position],
+    }
+  }
+
+  return {
+    newState,
+    nextState,
+    isGameOver,
+    getScore,
+  }
+}

From 2732fdd3e5b519252880b98984e5215a3be3fbef Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Sat, 30 May 2020 11:25:41 -0700
Subject: [PATCH 317/337] Update the list of contributors

---
 readme.md | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/readme.md b/readme.md
index b10aef31..d1928f9e 100644
--- a/readme.md
+++ b/readme.md
@@ -63,33 +63,33 @@ If the build is not successful, fix your code in order for the tests and jshint
 
 ## Contributors
 
-[<img alt="mgechev" src="https://avatars1.githubusercontent.com/u/455023?v=4&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars1.githubusercontent.com/u/773648?v=4&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars1.githubusercontent.com/u/1854569?v=4&s=117" width="117">](https://github.com/Jakehp) |[<img alt="lygstate" src="https://avatars3.githubusercontent.com/u/121040?v=4&s=117" width="117">](https://github.com/lygstate) |[<img alt="mik-laj" src="https://avatars1.githubusercontent.com/u/12058428?v=4&s=117" width="117">](https://github.com/mik-laj) |[<img alt="jeremyckahn" src="https://avatars2.githubusercontent.com/u/366330?v=4&s=117" width="117">](https://github.com/jeremyckahn) |
+[<img alt="mgechev" src="https://avatars1.githubusercontent.com/u/455023?v=4&s=117" width="117">](https://github.com/mgechev) |[<img alt="AndriiHeonia" src="https://avatars1.githubusercontent.com/u/773648?v=4&s=117" width="117">](https://github.com/AndriiHeonia) |[<img alt="Jakehp" src="https://avatars1.githubusercontent.com/u/1854569?v=4&s=117" width="117">](https://github.com/Jakehp) |[<img alt="lygstate" src="https://avatars3.githubusercontent.com/u/121040?v=4&s=117" width="117">](https://github.com/lygstate) |[<img alt="mik-laj" src="https://avatars1.githubusercontent.com/u/12058428?v=4&s=117" width="117">](https://github.com/mik-laj) |[<img alt="krzysztof-grzybek" src="https://avatars0.githubusercontent.com/u/6236664?v=4&s=117" width="117">](https://github.com/krzysztof-grzybek) |
 :---: |:---: |:---: |:---: |:---: |:---: |
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+[mgechev](https://github.com/mgechev) |[AndriiHeonia](https://github.com/AndriiHeonia) |[Jakehp](https://github.com/Jakehp) |[lygstate](https://github.com/lygstate) |[mik-laj](https://github.com/mik-laj) |[krzysztof-grzybek](https://github.com/krzysztof-grzybek) |
 
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+[<img alt="pvoznenko" src="https://avatars3.githubusercontent.com/u/1098414?v=4&s=117" width="117">](https://github.com/pvoznenko) |[<img alt="jettcalleja" src="https://avatars0.githubusercontent.com/u/6356258?v=4&s=117" width="117">](https://github.com/jettcalleja) |[<img alt="filipefalcaos" src="https://avatars2.githubusercontent.com/u/9125631?v=4&s=117" width="117">](https://github.com/filipefalcaos) |[<img alt="kdamball" src="https://avatars3.githubusercontent.com/u/3318312?v=4&s=117" width="117">](https://github.com/kdamball) |[<img alt="lekkas" src="https://avatars3.githubusercontent.com/u/5211478?v=4&s=117" width="117">](https://github.com/lekkas) |[<img alt="infusion" src="https://avatars3.githubusercontent.com/u/197742?v=4&s=117" width="117">](https://github.com/infusion) |
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-[krzysztof-grzybek](https://github.com/krzysztof-grzybek) |[pvoznenko](https://github.com/pvoznenko) |[jettcalleja](https://github.com/jettcalleja) |[filipefalcaos](https://github.com/filipefalcaos) |[kdamball](https://github.com/kdamball) |[lekkas](https://github.com/lekkas) |
+[pvoznenko](https://github.com/pvoznenko) |[jettcalleja](https://github.com/jettcalleja) |[filipefalcaos](https://github.com/filipefalcaos) |[kdamball](https://github.com/kdamball) |[lekkas](https://github.com/lekkas) |[infusion](https://github.com/infusion) |
 
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+[<img alt="deniskyashif" src="https://avatars2.githubusercontent.com/u/5999271?v=4&s=117" width="117">](https://github.com/deniskyashif) |[<img alt="brunohadlich" src="https://avatars2.githubusercontent.com/u/7043013?v=4&s=117" width="117">](https://github.com/brunohadlich) |[<img alt="designeng" src="https://avatars0.githubusercontent.com/u/2807469?v=4&s=117" width="117">](https://github.com/designeng) |[<img alt="Microfed" src="https://avatars1.githubusercontent.com/u/613179?v=4&s=117" width="117">](https://github.com/Microfed) |[<img alt="Nirajkashyap" src="https://avatars3.githubusercontent.com/u/4338110?v=4&s=117" width="117">](https://github.com/Nirajkashyap) |[<img alt="pkerpedjiev" src="https://avatars3.githubusercontent.com/u/2143629?v=4&s=117" width="117">](https://github.com/pkerpedjiev) |
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+[deniskyashif](https://github.com/deniskyashif) |[brunohadlich](https://github.com/brunohadlich) |[designeng](https://github.com/designeng) |[Microfed](https://github.com/Microfed) |[Nirajkashyap](https://github.com/Nirajkashyap) |[pkerpedjiev](https://github.com/pkerpedjiev) |
 
-[<img alt="pkerpedjiev" src="https://avatars3.githubusercontent.com/u/2143629?v=4&s=117" width="117">](https://github.com/pkerpedjiev) |[<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="dependabot[bot]" src="https://avatars0.githubusercontent.com/in/29110?v=4&s=117" width="117">](https://github.com/apps/dependabot) |[<img alt="emyarod" src="https://avatars3.githubusercontent.com/u/8265238?v=4&s=117" width="117">](https://github.com/emyarod) |[<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) |[<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) |
+[<img alt="duffman85" src="https://avatars0.githubusercontent.com/u/15054422?v=4&s=117" width="117">](https://github.com/duffman85) |[<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="dependabot[bot]" src="https://avatars0.githubusercontent.com/in/29110?v=4&s=117" width="117">](https://github.com/apps/dependabot) |[<img alt="emyarod" src="https://avatars3.githubusercontent.com/u/8265238?v=4&s=117" width="117">](https://github.com/emyarod) |[<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) |[<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[pkerpedjiev](https://github.com/pkerpedjiev) |[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[dependabot[bot]](https://github.com/apps/dependabot) |[emyarod](https://github.com/emyarod) |[alexjoverm](https://github.com/alexjoverm) |[amilajack](https://github.com/amilajack) |
+[duffman85](https://github.com/duffman85) |[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[dependabot[bot]](https://github.com/apps/dependabot) |[emyarod](https://github.com/emyarod) |[alexjoverm](https://github.com/alexjoverm) |[amilajack](https://github.com/amilajack) |
 
 [<img alt="BorislavBorisov22" src="https://avatars2.githubusercontent.com/u/20156662?v=4&s=117" width="117">](https://github.com/BorislavBorisov22) |[<img alt="brunob15" src="https://avatars2.githubusercontent.com/u/5839627?v=4&s=117" width="117">](https://github.com/brunob15) |[<img alt="BryanChan777" src="https://avatars0.githubusercontent.com/u/43082778?v=4&s=117" width="117">](https://github.com/BryanChan777) |[<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) |[<img alt="jurassix" src="https://avatars3.githubusercontent.com/u/1869117?v=4&s=117" width="117">](https://github.com/jurassix) |[<img alt="fisenkodv" src="https://avatars0.githubusercontent.com/u/1039447?v=4&s=117" width="117">](https://github.com/fisenkodv) |
 :---: |:---: |:---: |:---: |:---: |:---: |
 [BorislavBorisov22](https://github.com/BorislavBorisov22) |[brunob15](https://github.com/brunob15) |[BryanChan777](https://github.com/BryanChan777) |[ysharplanguage](https://github.com/ysharplanguage) |[jurassix](https://github.com/jurassix) |[fisenkodv](https://github.com/fisenkodv) |
 
-[<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) |[<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) |[<img alt="marrcelo" src="https://avatars3.githubusercontent.com/u/18054556?v=4&s=117" width="117">](https://github.com/marrcelo) |[<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) |[<img alt="xiedezhuo" src="https://avatars3.githubusercontent.com/u/39017209?v=4&s=117" width="117">](https://github.com/xiedezhuo) |[<img alt="DengYiping" src="https://avatars0.githubusercontent.com/u/12176046?v=4&s=117" width="117">](https://github.com/DengYiping) |
+[<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) |[<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) |[<img alt="marrcelo" src="https://avatars3.githubusercontent.com/u/18054556?v=4&s=117" width="117">](https://github.com/marrcelo) |[<img alt="wnvko" src="https://avatars3.githubusercontent.com/u/5990334?v=4&s=117" width="117">](https://github.com/wnvko) |[<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) |[<img alt="xiedezhuo" src="https://avatars3.githubusercontent.com/u/39017209?v=4&s=117" width="117">](https://github.com/xiedezhuo) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[contra](https://github.com/contra) |[liesislukas](https://github.com/liesislukas) |[marrcelo](https://github.com/marrcelo) |[millerrach](https://github.com/millerrach) |[xiedezhuo](https://github.com/xiedezhuo) |[DengYiping](https://github.com/DengYiping) |
+[contra](https://github.com/contra) |[liesislukas](https://github.com/liesislukas) |[marrcelo](https://github.com/marrcelo) |[wnvko](https://github.com/wnvko) |[millerrach](https://github.com/millerrach) |[xiedezhuo](https://github.com/xiedezhuo) |
 
-[<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) |[<img alt="miyes90" src="https://avatars1.githubusercontent.com/u/6756730?v=4&s=117" width="117">](https://github.com/miyes90) |[<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |
-:---: |:---: |:---: |
-[fanixk](https://github.com/fanixk) |[miyes90](https://github.com/miyes90) |[shaunak1111](https://github.com/shaunak1111) |
+[<img alt="DengYiping" src="https://avatars0.githubusercontent.com/u/12176046?v=4&s=117" width="117">](https://github.com/DengYiping) |[<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) |[<img alt="miyes90" src="https://avatars1.githubusercontent.com/u/6756730?v=4&s=117" width="117">](https://github.com/miyes90) |[<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |
+:---: |:---: |:---: |:---: |
+[DengYiping](https://github.com/DengYiping) |[fanixk](https://github.com/fanixk) |[miyes90](https://github.com/miyes90) |[shaunak1111](https://github.com/shaunak1111) |
 
 ## License
 

From a9fb84ad53d4fe9f936ef0b2c4402f95bbf20096 Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Fri, 19 Jun 2020 16:05:40 -0700
Subject: [PATCH 318/337] Bump websocket-extensions from 0.1.3 to 0.1.4 (#172)

Bumps [websocket-extensions](https://github.com/faye/websocket-extensions-node) from 0.1.3 to 0.1.4.
- [Release notes](https://github.com/faye/websocket-extensions-node/releases)
- [Changelog](https://github.com/faye/websocket-extensions-node/blob/master/CHANGELOG.md)
- [Commits](https://github.com/faye/websocket-extensions-node/compare/0.1.3...0.1.4)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
---
 package-lock.json | 6 +++---
 yarn.lock         | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 7474ed1c..f96b005d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4723,9 +4723,9 @@
       }
     },
     "websocket-extensions": {
-      "version": "0.1.3",
-      "resolved": "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.3.tgz",
-      "integrity": "sha512-nqHUnMXmBzT0w570r2JpJxfiSD1IzoI+HGVdd3aZ0yNi3ngvQ4jv1dtHt5VGxfI2yj5yqImPhOK4vmIh2xMbGg==",
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.4.tgz",
+      "integrity": "sha512-OqedPIGOfsDlo31UNwYbCFMSaO9m9G/0faIHj5/dZFDMFqPTcx6UwqyOy3COEaEOg/9VsGIpdqn62W5KhoKSpg==",
       "dev": true
     },
     "which": {
diff --git a/yarn.lock b/yarn.lock
index 57e8122a..721b113b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3293,9 +3293,9 @@ websocket-driver@>=0.5.1:
     websocket-extensions ">=0.1.1"
 
 websocket-extensions@>=0.1.1:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/websocket-extensions/-/websocket-extensions-0.1.3.tgz#5d2ff22977003ec687a4b87073dfbbac146ccf29"
-  integrity sha512-nqHUnMXmBzT0w570r2JpJxfiSD1IzoI+HGVdd3aZ0yNi3ngvQ4jv1dtHt5VGxfI2yj5yqImPhOK4vmIh2xMbGg==
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/websocket-extensions/-/websocket-extensions-0.1.4.tgz#7f8473bc839dfd87608adb95d7eb075211578a42"
+  integrity sha512-OqedPIGOfsDlo31UNwYbCFMSaO9m9G/0faIHj5/dZFDMFqPTcx6UwqyOy3COEaEOg/9VsGIpdqn62W5KhoKSpg==
 
 which@^1.2.14:
   version "1.3.1"

From c4e35f2e43ea846b24529918011e8d4ab95dfe3b Mon Sep 17 00:00:00 2001
From: Daniel Wasserlauf <dwasserlauf@commercehub.com>
Date: Wed, 14 Oct 2020 17:28:24 -0400
Subject: [PATCH 319/337] [gulpUpdate]: Updated Gulp dependency to fix build
 failure

---
 gulpfile.js           |   15 +-
 package-lock.json     | 1691 +++++++++++++++++++++++++++++++++--------
 package.json          |    2 +-
 src/others/minimax.js |    4 +-
 4 files changed, 1400 insertions(+), 312 deletions(-)

diff --git a/gulpfile.js b/gulpfile.js
index 81073a4d..47c08e1c 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -1,18 +1,19 @@
-'use strict';
-var gulp = require('gulp');
-var eslint = require('gulp-eslint');
-var jasmine = require('gulp-jasmine');
+const gulp = require('gulp');
+const eslint = require('gulp-eslint');
+const jasmine = require('gulp-jasmine');
 
-gulp.task('test', function () {
+gulp.task('test', () => {
+  'use strict';
   return gulp.src('test/**/*.spec.js')
     .pipe(jasmine());
 });
 
-gulp.task('lint', function () {
+gulp.task('lint', ()=> {
+  'use strict';
   return gulp.src(['src/**/*.js', 'test/**/*.js'])
     .pipe(eslint())
     .pipe(eslint.format())
     .pipe(eslint.failAfterError());
 });
 
-gulp.task('build', ['lint', 'test']);
+gulp.task('build', gulp.parallel(['lint', 'test']));
diff --git a/package-lock.json b/package-lock.json
index f96b005d..4025d25e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -59,6 +59,15 @@
       "integrity": "sha1-MU3QpLM2j609/NxU7eYXG4htrzw=",
       "dev": true
     },
+    "ansi-colors": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-1.1.0.tgz",
+      "integrity": "sha512-SFKX67auSNoVR38N3L+nvsPjOE0bybKTYbkf5tRvushrAPQ9V75huw0ZxBkKVeRU9kqH3d6HA4xTckbwZ4ixmA==",
+      "dev": true,
+      "requires": {
+        "ansi-wrap": "^0.1.0"
+      }
+    },
     "ansi-escapes": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-1.4.0.tgz",
@@ -128,6 +137,15 @@
       "integrity": "sha1-7klza2ObTxCLbp5ibG2pkwa0FpI=",
       "dev": true
     },
+    "append-buffer": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/append-buffer/-/append-buffer-1.0.2.tgz",
+      "integrity": "sha1-2CIM9GYIFSXv6lBhTz3mUU36WPE=",
+      "dev": true,
+      "requires": {
+        "buffer-equal": "^1.0.0"
+      }
+    },
     "archy": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/archy/-/archy-1.0.0.tgz",
@@ -149,12 +167,30 @@
       "integrity": "sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA=",
       "dev": true
     },
+    "arr-filter": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/arr-filter/-/arr-filter-1.1.2.tgz",
+      "integrity": "sha1-Q/3d0JHo7xGqTEXZzcGOLf8XEe4=",
+      "dev": true,
+      "requires": {
+        "make-iterator": "^1.0.0"
+      }
+    },
     "arr-flatten": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/arr-flatten/-/arr-flatten-1.1.0.tgz",
       "integrity": "sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg==",
       "dev": true
     },
+    "arr-map": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/arr-map/-/arr-map-2.0.2.tgz",
+      "integrity": "sha1-Onc0X/wc814qkYJWAfnljy4kysQ=",
+      "dev": true,
+      "requires": {
+        "make-iterator": "^1.0.0"
+      }
+    },
     "arr-union": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/arr-union/-/arr-union-3.1.0.tgz",
@@ -173,12 +209,66 @@
       "integrity": "sha1-p5SvDAWrF1KEbudTofIRoFugxE8=",
       "dev": true
     },
+    "array-initial": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/array-initial/-/array-initial-1.1.0.tgz",
+      "integrity": "sha1-L6dLJnOTccOUe9enrcc74zSz15U=",
+      "dev": true,
+      "requires": {
+        "array-slice": "^1.0.0",
+        "is-number": "^4.0.0"
+      },
+      "dependencies": {
+        "is-number": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/is-number/-/is-number-4.0.0.tgz",
+          "integrity": "sha512-rSklcAIlf1OmFdyAqbnWTLVelsQ58uvZ66S/ZyawjWqIviTWCjg2PzVGw8WUA+nNuPTqb4wgA+NszrJ+08LlgQ==",
+          "dev": true
+        }
+      }
+    },
+    "array-last": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/array-last/-/array-last-1.3.0.tgz",
+      "integrity": "sha512-eOCut5rXlI6aCOS7Z7kCplKRKyiFQ6dHFBem4PwlwKeNFk2/XxTrhRh5T9PyaEWGy/NHTZWbY+nsZlNFJu9rYg==",
+      "dev": true,
+      "requires": {
+        "is-number": "^4.0.0"
+      },
+      "dependencies": {
+        "is-number": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/is-number/-/is-number-4.0.0.tgz",
+          "integrity": "sha512-rSklcAIlf1OmFdyAqbnWTLVelsQ58uvZ66S/ZyawjWqIviTWCjg2PzVGw8WUA+nNuPTqb4wgA+NszrJ+08LlgQ==",
+          "dev": true
+        }
+      }
+    },
     "array-slice": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/array-slice/-/array-slice-1.1.0.tgz",
       "integrity": "sha512-B1qMD3RBP7O8o0H2KbrXDyB0IccejMF15+87Lvlor12ONPRHP6gTjXMNkt/d3ZuOGbAe66hFmaCfECI24Ufp6w==",
       "dev": true
     },
+    "array-sort": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/array-sort/-/array-sort-1.0.0.tgz",
+      "integrity": "sha512-ihLeJkonmdiAsD7vpgN3CRcx2J2S0TiYW+IS/5zHBI7mKUq3ySvBdzzBfD236ubDBQFiiyG3SWCPc+msQ9KoYg==",
+      "dev": true,
+      "requires": {
+        "default-compare": "^1.0.0",
+        "get-value": "^2.0.6",
+        "kind-of": "^5.0.2"
+      },
+      "dependencies": {
+        "kind-of": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-5.1.0.tgz",
+          "integrity": "sha512-NGEErnH6F2vUuXDh+OlbcKW7/wOcfdRHaZ7VWtqCztfHri/++YKmP51OdWeGPuqCOba6kk2OTe5d02VmTB80Pw==",
+          "dev": true
+        }
+      }
+    },
     "array-union": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/array-union/-/array-union-1.0.2.tgz",
@@ -221,12 +311,33 @@
         "lodash": "^4.17.10"
       }
     },
+    "async-done": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/async-done/-/async-done-1.3.2.tgz",
+      "integrity": "sha512-uYkTP8dw2og1tu1nmza1n1CMW0qb8gWWlwqMmLb7MhBVs4BXrFziT6HXUd+/RlRA/i4H9AkofYloUbs1fwMqlw==",
+      "dev": true,
+      "requires": {
+        "end-of-stream": "^1.1.0",
+        "once": "^1.3.2",
+        "process-nextick-args": "^2.0.0",
+        "stream-exhaust": "^1.0.1"
+      }
+    },
     "async-each": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/async-each/-/async-each-1.0.3.tgz",
       "integrity": "sha512-z/WhQ5FPySLdvREByI2vZiTWwCnF0moMJ1hK9YQwDTHKh6I7/uSckMetoRGb5UBZPC1z0jlw+n/XCgjeH7y1AQ==",
       "dev": true
     },
+    "async-settle": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/async-settle/-/async-settle-1.0.0.tgz",
+      "integrity": "sha1-HQqRS7Aldb7IqPOnTlCA9yssDGs=",
+      "dev": true,
+      "requires": {
+        "async-done": "^1.2.2"
+      }
+    },
     "atob": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/atob/-/atob-2.1.2.tgz",
@@ -250,6 +361,23 @@
       "integrity": "sha512-Vg0C9s/REX6/WIXN37UKpv5ZhRi6A4pjHlpkE34+8/a6c2W1Q692n3hmc+SZG5lKRnaExLUbxtJ1SVT+KaCQ/A==",
       "dev": true
     },
+    "bach": {
+      "version": "1.2.0",
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-      "resolved": "https://registry.npmjs.org/v8flags/-/v8flags-2.1.1.tgz",
-      "integrity": "sha1-qrGh+jDUX4jdMhFIh1rALAtV5bQ=",
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/v8flags/-/v8flags-3.2.0.tgz",
+      "integrity": "sha512-mH8etigqMfiGWdeXpaaqGfs6BndypxusHHcv2qSHyZkGEznCd/qAXCWWRzeowtL54147cktFOC4P5y+kl8d8Jg==",
       "dev": true,
       "requires": {
-        "user-home": "^1.1.1"
+        "homedir-polyfill": "^1.0.1"
       }
     },
+    "validate-npm-package-license": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
+      "integrity": "sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==",
+      "dev": true,
+      "requires": {
+        "spdx-correct": "^3.0.0",
+        "spdx-expression-parse": "^3.0.0"
+      }
+    },
+    "value-or-function": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/value-or-function/-/value-or-function-3.0.0.tgz",
+      "integrity": "sha1-HCQ6ULWVwb5Up1S/7OhWO5/42BM=",
+      "dev": true
+    },
     "vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
@@ -4647,66 +5599,148 @@
       }
     },
     "vinyl-fs": {
-      "version": "0.3.14",
-      "resolved": "https://registry.npmjs.org/vinyl-fs/-/vinyl-fs-0.3.14.tgz",
-      "integrity": "sha1-mmhRzhysHBzqX+hsCTHWIMLPqeY=",
-      "dev": true,
-      "requires": {
-        "defaults": "^1.0.0",
-        "glob-stream": "^3.1.5",
-        "glob-watcher": "^0.0.6",
-        "graceful-fs": "^3.0.0",
-        "mkdirp": "^0.5.0",
-        "strip-bom": "^1.0.0",
-        "through2": "^0.6.1",
-        "vinyl": "^0.4.0"
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/vinyl-fs/-/vinyl-fs-3.0.3.tgz",
+      "integrity": "sha512-vIu34EkyNyJxmP0jscNzWBSygh7VWhqun6RmqVfXePrOwi9lhvRs//dOaGOTRUQr4tx7/zd26Tk5WeSVZitgng==",
+      "dev": true,
+      "requires": {
+        "fs-mkdirp-stream": "^1.0.0",
+        "glob-stream": "^6.1.0",
+        "graceful-fs": "^4.0.0",
+        "is-valid-glob": "^1.0.0",
+        "lazystream": "^1.0.0",
+        "lead": "^1.0.0",
+        "object.assign": "^4.0.4",
+        "pumpify": "^1.3.5",
+        "readable-stream": "^2.3.3",
+        "remove-bom-buffer": "^3.0.0",
+        "remove-bom-stream": "^1.2.0",
+        "resolve-options": "^1.1.0",
+        "through2": "^2.0.0",
+        "to-through": "^2.0.0",
+        "value-or-function": "^3.0.0",
+        "vinyl": "^2.0.0",
+        "vinyl-sourcemap": "^1.1.0"
       },
       "dependencies": {
         "clone": {
-          "version": "0.2.0",
-          "resolved": "https://registry.npmjs.org/clone/-/clone-0.2.0.tgz",
-          "integrity": "sha1-xhJqkK1Pctv1rNskPMN3JP6T/B8=",
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/clone/-/clone-2.1.2.tgz",
+          "integrity": "sha1-G39Ln1kfHo+DZwQBYANFoCiHQ18=",
+          "dev": true
+        },
+        "clone-stats": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/clone-stats/-/clone-stats-1.0.0.tgz",
+          "integrity": "sha1-s3gt/4u1R04Yuba/D9/ngvh3doA=",
+          "dev": true
+        },
+        "isarray": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
           "dev": true
         },
-        "graceful-fs": {
-          "version": "3.0.11",
-          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-3.0.11.tgz",
-          "integrity": "sha1-dhPHeKGv6mLyXGMKCG1/Osu92Bg=",
+        "readable-stream": {
+          "version": "2.3.7",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
+          "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
           "dev": true,
           "requires": {
-            "natives": "^1.1.0"
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.3",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~2.0.0",
+            "safe-buffer": "~5.1.1",
+            "string_decoder": "~1.1.1",
+            "util-deprecate": "~1.0.1"
           }
         },
-        "readable-stream": {
-          "version": "1.0.34",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
-          "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
+        "replace-ext": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/replace-ext/-/replace-ext-1.0.1.tgz",
+          "integrity": "sha512-yD5BHCe7quCgBph4rMQ+0KkIRKwWCrHDOX1p1Gp6HwjPM5kVoCdKGNhN7ydqqsX6lJEnQDKZ/tFMiEdQ1dvPEw==",
+          "dev": true
+        },
+        "string_decoder": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
           "dev": true,
           "requires": {
-            "core-util-is": "~1.0.0",
-            "inherits": "~2.0.1",
-            "isarray": "0.0.1",
-            "string_decoder": "~0.10.x"
+            "safe-buffer": "~5.1.0"
+          }
+        },
+        "vinyl": {
+          "version": "2.2.1",
+          "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-2.2.1.tgz",
+          "integrity": "sha512-LII3bXRFBZLlezoG5FfZVcXflZgWP/4dCwKtxd5ky9+LOtM4CS3bIRQsmR1KMnMW07jpE8fqR2lcxPZ+8sJIcw==",
+          "dev": true,
+          "requires": {
+            "clone": "^2.1.1",
+            "clone-buffer": "^1.0.0",
+            "clone-stats": "^1.0.0",
+            "cloneable-readable": "^1.0.0",
+            "remove-trailing-separator": "^1.0.1",
+            "replace-ext": "^1.0.0"
           }
+        }
+      }
+    },
+    "vinyl-sourcemap": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/vinyl-sourcemap/-/vinyl-sourcemap-1.1.0.tgz",
+      "integrity": "sha1-kqgAWTo4cDqM2xHYswCtS+Y7PhY=",
+      "dev": true,
+      "requires": {
+        "append-buffer": "^1.0.2",
+        "convert-source-map": "^1.5.0",
+        "graceful-fs": "^4.1.6",
+        "normalize-path": "^2.1.1",
+        "now-and-later": "^2.0.0",
+        "remove-bom-buffer": "^3.0.0",
+        "vinyl": "^2.0.0"
+      },
+      "dependencies": {
+        "clone": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/clone/-/clone-2.1.2.tgz",
+          "integrity": "sha1-G39Ln1kfHo+DZwQBYANFoCiHQ18=",
+          "dev": true
+        },
+        "clone-stats": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/clone-stats/-/clone-stats-1.0.0.tgz",
+          "integrity": "sha1-s3gt/4u1R04Yuba/D9/ngvh3doA=",
+          "dev": true
         },
-        "through2": {
-          "version": "0.6.5",
-          "resolved": "https://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
-          "integrity": "sha1-QaucZ7KdVyCQcUEOHXp6lozTrUg=",
+        "normalize-path": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-2.1.1.tgz",
+          "integrity": "sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=",
           "dev": true,
           "requires": {
-            "readable-stream": ">=1.0.33-1 <1.1.0-0",
-            "xtend": ">=4.0.0 <4.1.0-0"
+            "remove-trailing-separator": "^1.0.1"
           }
         },
+        "replace-ext": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/replace-ext/-/replace-ext-1.0.1.tgz",
+          "integrity": "sha512-yD5BHCe7quCgBph4rMQ+0KkIRKwWCrHDOX1p1Gp6HwjPM5kVoCdKGNhN7ydqqsX6lJEnQDKZ/tFMiEdQ1dvPEw==",
+          "dev": true
+        },
         "vinyl": {
-          "version": "0.4.6",
-          "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-0.4.6.tgz",
-          "integrity": "sha1-LzVsh6VQolVGHza76ypbqL94SEc=",
+          "version": "2.2.1",
+          "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-2.2.1.tgz",
+          "integrity": "sha512-LII3bXRFBZLlezoG5FfZVcXflZgWP/4dCwKtxd5ky9+LOtM4CS3bIRQsmR1KMnMW07jpE8fqR2lcxPZ+8sJIcw==",
           "dev": true,
           "requires": {
-            "clone": "^0.2.0",
-            "clone-stats": "^0.0.1"
+            "clone": "^2.1.1",
+            "clone-buffer": "^1.0.0",
+            "clone-stats": "^1.0.0",
+            "cloneable-readable": "^1.0.0",
+            "remove-trailing-separator": "^1.0.1",
+            "replace-ext": "^1.0.0"
           }
         }
       }
@@ -4737,12 +5771,28 @@
         "isexe": "^2.0.0"
       }
     },
+    "which-module": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/which-module/-/which-module-1.0.0.tgz",
+      "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=",
+      "dev": true
+    },
     "wordwrap": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
       "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
       "dev": true
     },
+    "wrap-ansi": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
+      "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
+      "dev": true,
+      "requires": {
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1"
+      }
+    },
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
@@ -4769,6 +5819,43 @@
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
       "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
       "dev": true
+    },
+    "y18n": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
+      "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
+      "dev": true
+    },
+    "yargs": {
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-7.1.1.tgz",
+      "integrity": "sha512-huO4Fr1f9PmiJJdll5kwoS2e4GqzGSsMT3PPMpOwoVkOK8ckqAewMTZyA6LXVQWflleb/Z8oPBEvNsMft0XE+g==",
+      "dev": true,
+      "requires": {
+        "camelcase": "^3.0.0",
+        "cliui": "^3.2.0",
+        "decamelize": "^1.1.1",
+        "get-caller-file": "^1.0.1",
+        "os-locale": "^1.4.0",
+        "read-pkg-up": "^1.0.1",
+        "require-directory": "^2.1.1",
+        "require-main-filename": "^1.0.1",
+        "set-blocking": "^2.0.0",
+        "string-width": "^1.0.2",
+        "which-module": "^1.0.0",
+        "y18n": "^3.2.1",
+        "yargs-parser": "5.0.0-security.0"
+      }
+    },
+    "yargs-parser": {
+      "version": "5.0.0-security.0",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.0-security.0.tgz",
+      "integrity": "sha512-T69y4Ps64LNesYxeYGYPvfoMTt/7y1XtfpIslUeK4um+9Hu7hlGoRtaDLvdXb7+/tfq4opVa2HRY5xGip022rQ==",
+      "dev": true,
+      "requires": {
+        "camelcase": "^3.0.0",
+        "object.assign": "^4.1.0"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index 5e9ea3f4..190c1a5f 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
   "devDependencies": {
     "@jeremyckahn/minami": "^1.3.1",
     "gh-pages": "^1.1.0",
-    "gulp": "^3.8.10",
+    "gulp": "^4.0.2",
     "gulp-eslint": "^3.0.1",
     "gulp-jasmine": "^2.0.1",
     "jsdoc": "3.5.5",
diff --git a/src/others/minimax.js b/src/others/minimax.js
index 7cee9a37..b48fdb0b 100644
--- a/src/others/minimax.js
+++ b/src/others/minimax.js
@@ -70,7 +70,7 @@
             false,
             depth - 1,
             alpha,
-            beta,
+            beta
           );
 
           if (result.score > maxResult.score) {
@@ -94,7 +94,7 @@
             true,
             depth - 1,
             alpha,
-            beta,
+            beta
           );
 
           if (result.score < minResult.score) {

From b53f82c858e766186e15fdf2572a6823eebbff21 Mon Sep 17 00:00:00 2001
From: Daniel Wasserlauf <dwasserlauf@commercehub.com>
Date: Wed, 14 Oct 2020 17:36:11 -0400
Subject: [PATCH 320/337] [gulpUpdate]: yarn lock update

---
 yarn.lock | 1241 ++++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 980 insertions(+), 261 deletions(-)

diff --git a/yarn.lock b/yarn.lock
index 721b113b..a9b710ec 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -50,6 +50,13 @@ ajv@^4.7.0:
     co "^4.6.0"
     json-stable-stringify "^1.0.1"
 
+ansi-colors@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/ansi-colors/-/ansi-colors-1.1.0.tgz#6374b4dd5d4718ff3ce27a671a3b1cad077132a9"
+  integrity sha512-SFKX67auSNoVR38N3L+nvsPjOE0bybKTYbkf5tRvushrAPQ9V75huw0ZxBkKVeRU9kqH3d6HA4xTckbwZ4ixmA==
+  dependencies:
+    ansi-wrap "^0.1.0"
+
 ansi-escapes@^1.1.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-1.4.0.tgz#d3a8a83b319aa67793662b13e761c7911422306e"
@@ -77,7 +84,7 @@ ansi-styles@^2.2.1:
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
   integrity sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=
 
-ansi-wrap@0.1.0:
+ansi-wrap@0.1.0, ansi-wrap@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/ansi-wrap/-/ansi-wrap-0.1.0.tgz#a82250ddb0015e9a27ca82e82ea603bbfa45efaf"
   integrity sha1-qCJQ3bABXponyoLoLqYDu/pF768=
@@ -102,6 +109,13 @@ apache-md5@^1.0.6:
   resolved "https://registry.yarnpkg.com/apache-md5/-/apache-md5-1.1.2.tgz#ee49736b639b4f108b6e9e626c6da99306b41692"
   integrity sha1-7klza2ObTxCLbp5ibG2pkwa0FpI=
 
+append-buffer@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/append-buffer/-/append-buffer-1.0.2.tgz#d8220cf466081525efea50614f3de6514dfa58f1"
+  integrity sha1-2CIM9GYIFSXv6lBhTz3mUU36WPE=
+  dependencies:
+    buffer-equal "^1.0.0"
+
 aproba@^1.0.3:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.2.0.tgz#6802e6264efd18c790a1b0d517f0f2627bf2c94a"
@@ -132,11 +146,25 @@ arr-diff@^4.0.0:
   resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-4.0.0.tgz#d6461074febfec71e7e15235761a329a5dc7c520"
   integrity sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA=
 
-arr-flatten@^1.1.0:
+arr-filter@^1.1.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/arr-filter/-/arr-filter-1.1.2.tgz#43fdddd091e8ef11aa4c45d9cdc18e2dff1711ee"
+  integrity sha1-Q/3d0JHo7xGqTEXZzcGOLf8XEe4=
+  dependencies:
+    make-iterator "^1.0.0"
+
+arr-flatten@^1.0.1, arr-flatten@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/arr-flatten/-/arr-flatten-1.1.0.tgz#36048bbff4e7b47e136644316c99669ea5ae91f1"
   integrity sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg==
 
+arr-map@^2.0.0, arr-map@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/arr-map/-/arr-map-2.0.2.tgz#3a77345ffc1cf35e2a91825601f9e58f2e24cac4"
+  integrity sha1-Onc0X/wc814qkYJWAfnljy4kysQ=
+  dependencies:
+    make-iterator "^1.0.0"
+
 arr-union@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/arr-union/-/arr-union-3.1.0.tgz#e39b09aea9def866a8f206e288af63919bae39c4"
@@ -147,16 +175,40 @@ array-differ@^1.0.0:
   resolved "https://registry.yarnpkg.com/array-differ/-/array-differ-1.0.0.tgz#eff52e3758249d33be402b8bb8e564bb2b5d4031"
   integrity sha1-7/UuN1gknTO+QCuLuOVkuytdQDE=
 
-array-each@^1.0.1:
+array-each@^1.0.0, array-each@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/array-each/-/array-each-1.0.1.tgz#a794af0c05ab1752846ee753a1f211a05ba0c44f"
   integrity sha1-p5SvDAWrF1KEbudTofIRoFugxE8=
 
+array-initial@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/array-initial/-/array-initial-1.1.0.tgz#2fa74b26739371c3947bd7a7adc73be334b3d795"
+  integrity sha1-L6dLJnOTccOUe9enrcc74zSz15U=
+  dependencies:
+    array-slice "^1.0.0"
+    is-number "^4.0.0"
+
+array-last@^1.1.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/array-last/-/array-last-1.3.0.tgz#7aa77073fec565ddab2493f5f88185f404a9d336"
+  integrity sha512-eOCut5rXlI6aCOS7Z7kCplKRKyiFQ6dHFBem4PwlwKeNFk2/XxTrhRh5T9PyaEWGy/NHTZWbY+nsZlNFJu9rYg==
+  dependencies:
+    is-number "^4.0.0"
+
 array-slice@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/array-slice/-/array-slice-1.1.0.tgz#e368ea15f89bc7069f7ffb89aec3a6c7d4ac22d4"
   integrity sha512-B1qMD3RBP7O8o0H2KbrXDyB0IccejMF15+87Lvlor12ONPRHP6gTjXMNkt/d3ZuOGbAe66hFmaCfECI24Ufp6w==
 
+array-sort@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/array-sort/-/array-sort-1.0.0.tgz#e4c05356453f56f53512a7d1d6123f2c54c0a88a"
+  integrity sha512-ihLeJkonmdiAsD7vpgN3CRcx2J2S0TiYW+IS/5zHBI7mKUq3ySvBdzzBfD236ubDBQFiiyG3SWCPc+msQ9KoYg==
+  dependencies:
+    default-compare "^1.0.0"
+    get-value "^2.0.6"
+    kind-of "^5.0.2"
+
 array-union@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/array-union/-/array-union-1.0.2.tgz#9a34410e4f4e3da23dea375be5be70f24778ec39"
@@ -184,11 +236,28 @@ assign-symbols@^1.0.0:
   resolved "https://registry.yarnpkg.com/assign-symbols/-/assign-symbols-1.0.0.tgz#59667f41fadd4f20ccbc2bb96b8d4f7f78ec0367"
   integrity sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=
 
+async-done@^1.2.0, async-done@^1.2.2:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/async-done/-/async-done-1.3.2.tgz#5e15aa729962a4b07414f528a88cdf18e0b290a2"
+  integrity sha512-uYkTP8dw2og1tu1nmza1n1CMW0qb8gWWlwqMmLb7MhBVs4BXrFziT6HXUd+/RlRA/i4H9AkofYloUbs1fwMqlw==
+  dependencies:
+    end-of-stream "^1.1.0"
+    once "^1.3.2"
+    process-nextick-args "^2.0.0"
+    stream-exhaust "^1.0.1"
+
 async-each@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.2.tgz#8b8a7ca2a658f927e9f307d6d1a42f4199f0f735"
   integrity sha512-6xrbvN0MOBKSJDdonmSSz2OwFSgxRaVtBDes26mj9KIGtDo+g9xosFRSC+i1gQh2oAN/tQ62AI/pGZGQjVOiRg==
 
+async-settle@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/async-settle/-/async-settle-1.0.0.tgz#1d0a914bb02575bec8a8f3a74e5080f72b2c0c6b"
+  integrity sha1-HQqRS7Aldb7IqPOnTlCA9yssDGs=
+  dependencies:
+    async-done "^1.2.2"
+
 async@2.6.1:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/async/-/async-2.6.1.tgz#b245a23ca71930044ec53fa46aa00a3e87c6a610"
@@ -215,6 +284,21 @@ babylon@7.0.0-beta.19:
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-7.0.0-beta.19.tgz#e928c7e807e970e0536b078ab3e0c48f9e052503"
   integrity sha512-Vg0C9s/REX6/WIXN37UKpv5ZhRi6A4pjHlpkE34+8/a6c2W1Q692n3hmc+SZG5lKRnaExLUbxtJ1SVT+KaCQ/A==
 
+bach@^1.0.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/bach/-/bach-1.2.0.tgz#4b3ce96bf27134f79a1b414a51c14e34c3bd9880"
+  integrity sha1-Szzpa/JxNPeaG0FKUcFONMO9mIA=
+  dependencies:
+    arr-filter "^1.1.1"
+    arr-flatten "^1.0.1"
+    arr-map "^2.0.0"
+    array-each "^1.0.0"
+    array-initial "^1.0.0"
+    array-last "^1.1.1"
+    async-done "^1.2.2"
+    async-settle "^1.0.0"
+    now-and-later "^2.0.0"
+
 balanced-match@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
@@ -265,7 +349,7 @@ bluebird@~3.5.0:
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.3.tgz#7d01c6f9616c9a51ab0f8c549a79dfe6ec33efa7"
   integrity sha512-/qKPUQlaW1OyR51WeCPBvRnAlnZFUJkCSG5HzGnuIqhgyJtF+T94lFnn33eiazjRm2LAHVy2guNnaq48X9SJuw==
 
-brace-expansion@^1.0.0, brace-expansion@^1.1.7:
+brace-expansion@^1.1.7:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
   integrity sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==
@@ -289,6 +373,11 @@ braces@^2.3.1, braces@^2.3.2:
     split-string "^3.0.2"
     to-regex "^3.0.1"
 
+buffer-equal@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/buffer-equal/-/buffer-equal-1.0.0.tgz#59616b498304d556abd466966b22eeda3eca5fbe"
+  integrity sha1-WWFrSYME1Var1GaWayLu2j7KX74=
+
 buffer-from@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
@@ -328,6 +417,11 @@ callsites@^0.2.0:
   resolved "https://registry.yarnpkg.com/callsites/-/callsites-0.2.0.tgz#afab96262910a7f33c19a5775825c69f34e350ca"
   integrity sha1-r6uWJikQp/M8GaV3WCXGnzTjUMo=
 
+camelcase@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-3.0.0.tgz#32fc4b9fcdaf845fcdf7e73bb97cac2261f0ab0a"
+  integrity sha1-MvxLn82vhF/N9+c7uXysImHwqwo=
+
 catharsis@~0.8.9:
   version "0.8.9"
   resolved "https://registry.yarnpkg.com/catharsis/-/catharsis-0.8.9.tgz#98cc890ca652dd2ef0e70b37925310ff9e90fc8b"
@@ -346,6 +440,25 @@ chalk@^1.0.0, chalk@^1.1.1, chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
+chokidar@^2.0.0:
+  version "2.1.8"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.1.8.tgz#804b3a7b6a99358c3c5c61e71d8728f041cff917"
+  integrity sha512-ZmZUazfOzf0Nve7duiCKD23PFSCs4JPoYyccjUFF3aQkQadqBhfzhjkwBH2mNOG9cTBwhamM37EIsIkZw3nRgg==
+  dependencies:
+    anymatch "^2.0.0"
+    async-each "^1.0.1"
+    braces "^2.3.2"
+    glob-parent "^3.1.0"
+    inherits "^2.0.3"
+    is-binary-path "^1.0.0"
+    is-glob "^4.0.0"
+    normalize-path "^3.0.0"
+    path-is-absolute "^1.0.0"
+    readdirp "^2.2.1"
+    upath "^1.1.1"
+  optionalDependencies:
+    fsevents "^1.2.7"
+
 chokidar@^2.0.4:
   version "2.1.5"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.1.5.tgz#0ae8434d962281a5f56c72869e79cb6d9d86ad4d"
@@ -397,21 +510,49 @@ cli-width@^2.0.0:
   resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-2.2.0.tgz#ff19ede8a9a5e579324147b0c11f0fbcbabed639"
   integrity sha1-/xnt6Kml5XkyQUewwR8PvLq+1jk=
 
+cliui@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-3.2.0.tgz#120601537a916d29940f934da3b48d585a39213d"
+  integrity sha1-EgYBU3qRbSmUD5NNo7SNWFo5IT0=
+  dependencies:
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+    wrap-ansi "^2.0.0"
+
+clone-buffer@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/clone-buffer/-/clone-buffer-1.0.0.tgz#e3e25b207ac4e701af721e2cb5a16792cac3dc58"
+  integrity sha1-4+JbIHrE5wGvch4staFnksrD3Fg=
+
 clone-stats@^0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/clone-stats/-/clone-stats-0.0.1.tgz#b88f94a82cf38b8791d58046ea4029ad88ca99d1"
   integrity sha1-uI+UqCzzi4eR1YBG6kAprYjKmdE=
 
-clone@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/clone/-/clone-0.2.0.tgz#c6126a90ad4f72dbf5acdb243cc37724fe93fc1f"
-  integrity sha1-xhJqkK1Pctv1rNskPMN3JP6T/B8=
+clone-stats@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/clone-stats/-/clone-stats-1.0.0.tgz#b3782dff8bb5474e18b9b6bf0fdfe782f8777680"
+  integrity sha1-s3gt/4u1R04Yuba/D9/ngvh3doA=
 
-clone@^1.0.0, clone@^1.0.2:
+clone@^1.0.0:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/clone/-/clone-1.0.4.tgz#da309cc263df15994c688ca902179ca3c7cd7c7e"
   integrity sha1-2jCcwmPfFZlMaIypAheco8fNfH4=
 
+clone@^2.1.1:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/clone/-/clone-2.1.2.tgz#1b7f4b9f591f1e8f83670401600345a02887435f"
+  integrity sha1-G39Ln1kfHo+DZwQBYANFoCiHQ18=
+
+cloneable-readable@^1.0.0:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/cloneable-readable/-/cloneable-readable-1.1.3.tgz#120a00cb053bfb63a222e709f9683ea2e11d8cec"
+  integrity sha512-2EF8zTQOxYq70Y4XKtorQupqF0m49MBz2/yf5Bj+MHjvpG3Hy7sImifnqD6UA+TKYxeSV+u6qqQPawN5UvnpKQ==
+  dependencies:
+    inherits "^2.0.1"
+    process-nextick-args "^2.0.0"
+    readable-stream "^2.3.5"
+
 co@^4.6.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/co/-/co-4.6.0.tgz#6ea6bdf3d853ae54ccb8e47bfa0bf3f9031fb184"
@@ -422,6 +563,15 @@ code-point-at@^1.0.0:
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
   integrity sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=
 
+collection-map@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/collection-map/-/collection-map-1.0.0.tgz#aea0f06f8d26c780c2b75494385544b2255af18c"
+  integrity sha1-rqDwb40mx4DCt1SUOFVEsiVa8Yw=
+  dependencies:
+    arr-map "^2.0.2"
+    for-own "^1.0.0"
+    make-iterator "^1.0.0"
+
 collection-visit@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/collection-visit/-/collection-visit-1.0.0.tgz#4bc0373c164bc3291b4d368c829cf1a80a59dca0"
@@ -455,7 +605,7 @@ concat-map@0.0.1:
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
   integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
 
-concat-stream@^1.5.2:
+concat-stream@^1.5.2, concat-stream@^1.6.0:
   version "1.6.2"
   resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.2.tgz#904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34"
   integrity sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==
@@ -480,11 +630,26 @@ console-control-strings@^1.0.0, console-control-strings@~1.1.0:
   resolved "https://registry.yarnpkg.com/console-control-strings/-/console-control-strings-1.1.0.tgz#3d7cf4464db6446ea644bf4b39507f9851008e8e"
   integrity sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=
 
+convert-source-map@^1.5.0:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.7.0.tgz#17a2cb882d7f77d3490585e2ce6c524424a3a442"
+  integrity sha512-4FJkXzKXEDB1snCFZlLP4gpC3JILicCpGbzG9f9G7tGqGCzETQ2hWPrcinA9oU4wtf2biUaEH5065UnMeR33oA==
+  dependencies:
+    safe-buffer "~5.1.1"
+
 copy-descriptor@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
   integrity sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=
 
+copy-props@^2.0.1:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/copy-props/-/copy-props-2.0.4.tgz#93bb1cadfafd31da5bb8a9d4b41f471ec3a72dfe"
+  integrity sha512-7cjuUME+p+S3HZlbllgsn2CDwS+5eCCX16qBgNC4jgSTf49qR1VKy/Zhl400m0IQXl/bPGEVqncgUUMjrr4s8A==
+  dependencies:
+    each-props "^1.3.0"
+    is-plain-object "^2.0.1"
+
 core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
@@ -517,6 +682,11 @@ debug@2.6.9, debug@^2.1.1, debug@^2.1.2, debug@^2.2.0, debug@^2.3.3:
   dependencies:
     ms "2.0.0"
 
+decamelize@^1.1.1:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
+  integrity sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=
+
 decode-uri-component@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
@@ -532,12 +702,24 @@ deep-is@~0.1.3:
   resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
   integrity sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=
 
-defaults@^1.0.0:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/defaults/-/defaults-1.0.3.tgz#c656051e9817d9ff08ed881477f3fe4019f3ef7d"
-  integrity sha1-xlYFHpgX2f8I7YgUd/P+QBnz730=
+default-compare@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/default-compare/-/default-compare-1.0.0.tgz#cb61131844ad84d84788fb68fd01681ca7781a2f"
+  integrity sha512-QWfXlM0EkAbqOCbD/6HjdwT19j7WCkMyiRhWilc4H9/5h/RzTF9gv5LYh1+CmDV5d1rki6KAWLtQale0xt20eQ==
   dependencies:
-    clone "^1.0.2"
+    kind-of "^5.0.2"
+
+default-resolution@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/default-resolution/-/default-resolution-2.0.0.tgz#bcb82baa72ad79b426a76732f1a81ad6df26d684"
+  integrity sha1-vLgrqnKtebQmp2cy8aga1t8m1oQ=
+
+define-properties@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.3.tgz#cf88da6cbee26fe6db7094f61d870cbd84cee9f1"
+  integrity sha512-3MqfYKj2lLzdMSf8ZIZE/V+Zuy+BgD6f164e8K2w7dgnpKArBDerGYpM46IYYcjnkdPNMjPk9A6VFB8+3SKlXQ==
+  dependencies:
+    object-keys "^1.0.12"
 
 define-property@^0.2.5:
   version "0.2.5"
@@ -571,11 +753,6 @@ depd@~1.1.2:
   resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
   integrity sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=
 
-deprecated@^0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/deprecated/-/deprecated-0.0.1.tgz#f9c9af5464afa1e7a971458a8bdef2aa94d5bb19"
-  integrity sha1-+cmvVGSvoeepcUWKi97yqpTVuxk=
-
 destroy@~1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
@@ -610,6 +787,24 @@ duplexer@~0.1.1:
   resolved "https://registry.yarnpkg.com/duplexer/-/duplexer-0.1.1.tgz#ace6ff808c1ce66b57d1ebf97977acb02334cfc1"
   integrity sha1-rOb/gIwc5mtX0ev5eXessCM0z8E=
 
+duplexify@^3.6.0:
+  version "3.7.1"
+  resolved "https://registry.yarnpkg.com/duplexify/-/duplexify-3.7.1.tgz#2a4df5317f6ccfd91f86d6fd25d8d8a103b88309"
+  integrity sha512-07z8uv2wMyS51kKhD1KsdXJg5WQ6t93RneqRxUHnskXVtlYYkLqM0gqStQZ3pj073g687jPCHrqNfCzawLYh5g==
+  dependencies:
+    end-of-stream "^1.0.0"
+    inherits "^2.0.1"
+    readable-stream "^2.0.0"
+    stream-shift "^1.0.0"
+
+each-props@^1.3.0:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/each-props/-/each-props-1.3.2.tgz#ea45a414d16dd5cfa419b1a81720d5ca06892333"
+  integrity sha512-vV0Hem3zAGkJAyU7JSjixeU66rwdynTAa1vofCrSA5fEln+m67Az9CcnkVD776/fsN/UjIWmBDoNRS6t6G9RfA==
+  dependencies:
+    is-plain-object "^2.0.1"
+    object.defaults "^1.1.0"
+
 ee-first@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
@@ -620,12 +815,63 @@ encodeurl@~1.0.1, encodeurl@~1.0.2:
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
   integrity sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=
 
-end-of-stream@~0.1.5:
-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-0.1.5.tgz#8e177206c3c80837d85632e8b9359dfe8b2f6eaf"
-  integrity sha1-jhdyBsPICDfYVjLouTWd/osvbq8=
+end-of-stream@^1.0.0, end-of-stream@^1.1.0:
+  version "1.4.4"
+  resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.4.tgz#5ae64a5f45057baf3626ec14da0ca5e4b2431eb0"
+  integrity sha512-+uw1inIHVPQoaVuHzRyXd21icM+cnt4CzD5rW+NC1wjOUSTOs+Te7FOv7AhN7vS9x/oIyhLP5PR1H+phQAHu5Q==
   dependencies:
-    once "~1.3.0"
+    once "^1.4.0"
+
+error-ex@^1.2.0:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.2.tgz#b4ac40648107fdcdcfae242f428bea8a14d4f1bf"
+  integrity sha512-7dFHNmqeFSEt2ZBsCriorKnn3Z2pj+fd9kmI6QoWw4//DL+icEBfc0U7qJCisqrTsKTjw4fNFy2pW9OqStD84g==
+  dependencies:
+    is-arrayish "^0.2.1"
+
+es-abstract@^1.17.5:
+  version "1.17.7"
+  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.17.7.tgz#a4de61b2f66989fc7421676c1cb9787573ace54c"
+  integrity sha512-VBl/gnfcJ7OercKA9MVaegWsBHFjV492syMudcnQZvt/Dw8ezpcOHYZXa/J96O8vx+g4x65YKhxOwDUh63aS5g==
+  dependencies:
+    es-to-primitive "^1.2.1"
+    function-bind "^1.1.1"
+    has "^1.0.3"
+    has-symbols "^1.0.1"
+    is-callable "^1.2.2"
+    is-regex "^1.1.1"
+    object-inspect "^1.8.0"
+    object-keys "^1.1.1"
+    object.assign "^4.1.1"
+    string.prototype.trimend "^1.0.1"
+    string.prototype.trimstart "^1.0.1"
+
+es-abstract@^1.18.0-next.0:
+  version "1.18.0-next.1"
+  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.18.0-next.1.tgz#6e3a0a4bda717e5023ab3b8e90bec36108d22c68"
+  integrity sha512-I4UGspA0wpZXWENrdA0uHbnhte683t3qT/1VFH9aX2dA5PPSf6QW5HHXf5HImaqPmjXaVeVk4RGWnaylmV7uAA==
+  dependencies:
+    es-to-primitive "^1.2.1"
+    function-bind "^1.1.1"
+    has "^1.0.3"
+    has-symbols "^1.0.1"
+    is-callable "^1.2.2"
+    is-negative-zero "^2.0.0"
+    is-regex "^1.1.1"
+    object-inspect "^1.8.0"
+    object-keys "^1.1.1"
+    object.assign "^4.1.1"
+    string.prototype.trimend "^1.0.1"
+    string.prototype.trimstart "^1.0.1"
+
+es-to-primitive@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/es-to-primitive/-/es-to-primitive-1.2.1.tgz#e55cd4c9cdc188bcefb03b366c736323fc5c898a"
+  integrity sha512-QCOllgZJtaUo9miYBcLChTUaHNjJF3PYs1VidD7AwiEj1kYxKeQTctLAezAOH5ZKRH0g2IgPn6KwB4IT8iRpvA==
+  dependencies:
+    is-callable "^1.1.4"
+    is-date-object "^1.0.1"
+    is-symbol "^1.0.2"
 
 es5-ext@^0.10.14, es5-ext@^0.10.35, es5-ext@^0.10.9, es5-ext@~0.10.14:
   version "0.10.49"
@@ -874,7 +1120,7 @@ extglob@^2.0.4:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
-fancy-log@^1.1.0:
+fancy-log@^1.1.0, fancy-log@^1.3.2:
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/fancy-log/-/fancy-log-1.3.3.tgz#dbc19154f558690150a23953a0adbd035be45fc7"
   integrity sha512-k9oEhlyc0FrVh25qYuSELjr8oxsCoc4/LEZfg2iJJrfEk/tZL9bCoJE47gqAvI2m/AUjluCS4+3I0eTx8n3AEw==
@@ -884,6 +1130,11 @@ fancy-log@^1.1.0:
     parse-node-version "^1.0.0"
     time-stamp "^1.0.0"
 
+fast-levenshtein@^1.0.0:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-1.1.4.tgz#e6a754cc8f15e58987aa9cbd27af66fd6f4e5af9"
+  integrity sha1-5qdUzI8V5YmHqpy9J69m/W9OWvk=
+
 fast-levenshtein@~2.0.4:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
@@ -957,10 +1208,13 @@ finalhandler@1.1.0:
     statuses "~1.3.1"
     unpipe "~1.0.0"
 
-find-index@^0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/find-index/-/find-index-0.1.1.tgz#675d358b2ca3892d795a1ab47232f8b6e2e0dde4"
-  integrity sha1-Z101iyyjiS15Whq0cjL4tuLg3eQ=
+find-up@^1.0.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-1.1.2.tgz#6b2e9822b1a2ce0a60ab64d610eccad53cb24d0f"
+  integrity sha1-ay6YIrGizgpgq2TWEOzK1TyyTQ8=
+  dependencies:
+    path-exists "^2.0.0"
+    pinkie-promise "^2.0.0"
 
 findup-sync@^2.0.0:
   version "2.0.0"
@@ -972,6 +1226,16 @@ findup-sync@^2.0.0:
     micromatch "^3.0.4"
     resolve-dir "^1.0.1"
 
+findup-sync@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/findup-sync/-/findup-sync-3.0.0.tgz#17b108f9ee512dfb7a5c7f3c8b27ea9e1a9c08d1"
+  integrity sha512-YbffarhcicEhOrm4CtrwdKBdCuz576RLdhJDsIfvNtxUuhdRet1qZcsMjqbePtAseKdAnDyM/IyXbu7PRPRLYg==
+  dependencies:
+    detect-file "^1.0.0"
+    is-glob "^4.0.0"
+    micromatch "^3.0.4"
+    resolve-dir "^1.0.1"
+
 fined@^1.0.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/fined/-/fined-1.1.1.tgz#95d88ff329123dd1a6950fdfcd321f746271e01f"
@@ -983,11 +1247,6 @@ fined@^1.0.1:
     object.pick "^1.2.0"
     parse-filepath "^1.0.1"
 
-first-chunk-stream@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/first-chunk-stream/-/first-chunk-stream-1.0.0.tgz#59bfb50cd905f60d7c394cd3d9acaab4e6ad934e"
-  integrity sha1-Wb+1DNkF9g18OUzT2ayqtOatk04=
-
 flagged-respawn@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/flagged-respawn/-/flagged-respawn-1.0.1.tgz#e7de6f1279ddd9ca9aac8a5971d618606b3aab41"
@@ -1003,6 +1262,14 @@ flat-cache@^1.2.1:
     rimraf "~2.6.2"
     write "^0.2.1"
 
+flush-write-stream@^1.0.2:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/flush-write-stream/-/flush-write-stream-1.1.1.tgz#8dd7d873a1babc207d94ead0c2e0e44276ebf2e8"
+  integrity sha512-3Z4XhFZ3992uIq0XOqb9AreonueSYphE6oYbpt5+3u06JWklbsPkNv3ZKkP9Bz/r+1MWCaMoSQ28P85+1Yc77w==
+  dependencies:
+    inherits "^2.0.3"
+    readable-stream "^2.3.6"
+
 for-in@^1.0.1, for-in@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
@@ -1048,6 +1315,14 @@ fs-minipass@^1.2.5:
   dependencies:
     minipass "^2.2.1"
 
+fs-mkdirp-stream@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs-mkdirp-stream/-/fs-mkdirp-stream-1.0.0.tgz#0b7815fc3201c6a69e14db98ce098c16935259eb"
+  integrity sha1-C3gV/DIBxqaeFNuYzgmMFpNSWes=
+  dependencies:
+    graceful-fs "^4.1.11"
+    through2 "^2.0.3"
+
 fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
@@ -1061,6 +1336,11 @@ fsevents@^1.2.7:
     nan "^2.9.2"
     node-pre-gyp "^0.10.0"
 
+function-bind@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
+  integrity sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==
+
 gauge@~2.7.3:
   version "2.7.4"
   resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.4.tgz#2c03405c7538c39d7eb37b317022e325fb018bf7"
@@ -1075,13 +1355,6 @@ gauge@~2.7.3:
     strip-ansi "^3.0.1"
     wide-align "^1.1.0"
 
-gaze@^0.5.1:
-  version "0.5.2"
-  resolved "https://registry.yarnpkg.com/gaze/-/gaze-0.5.2.tgz#40b709537d24d1d45767db5a908689dfe69ac44f"
-  integrity sha1-QLcJU30k0dRXZ9takIaJ3+aaxE8=
-  dependencies:
-    globule "~0.1.0"
-
 generate-function@^2.0.0:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/generate-function/-/generate-function-2.3.1.tgz#f069617690c10c868e73b8465746764f97c3479f"
@@ -1096,6 +1369,11 @@ generate-object-property@^1.1.0:
   dependencies:
     is-property "^1.0.0"
 
+get-caller-file@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-1.0.3.tgz#f978fa4c90d1dfe7ff2d6beda2a515e713bdcf4a"
+  integrity sha512-3t6rVToeoZfYSGd8YoLFR2DJkiQrIiUrGcjvFX2mDw3bn6k2OtwHN0TNCLbBO+w8qTvimhDkv+LSscbJY1vE6w==
+
 get-value@^2.0.3, get-value@^2.0.6:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/get-value/-/get-value-2.0.6.tgz#dc15ca1c672387ca76bd37ac0a395ba2042a2c28"
@@ -1122,41 +1400,34 @@ glob-parent@^3.1.0:
     is-glob "^3.1.0"
     path-dirname "^1.0.0"
 
-glob-stream@^3.1.5:
-  version "3.1.18"
-  resolved "https://registry.yarnpkg.com/glob-stream/-/glob-stream-3.1.18.tgz#9170a5f12b790306fdfe598f313f8f7954fd143b"
-  integrity sha1-kXCl8St5Awb9/lmPMT+PeVT9FDs=
-  dependencies:
-    glob "^4.3.1"
-    glob2base "^0.0.12"
-    minimatch "^2.0.1"
-    ordered-read-streams "^0.1.0"
-    through2 "^0.6.1"
-    unique-stream "^1.0.0"
-
-glob-watcher@^0.0.6:
-  version "0.0.6"
-  resolved "https://registry.yarnpkg.com/glob-watcher/-/glob-watcher-0.0.6.tgz#b95b4a8df74b39c83298b0c05c978b4d9a3b710b"
-  integrity sha1-uVtKjfdLOcgymLDAXJeLTZo7cQs=
-  dependencies:
-    gaze "^0.5.1"
-
-glob2base@^0.0.12:
-  version "0.0.12"
-  resolved "https://registry.yarnpkg.com/glob2base/-/glob2base-0.0.12.tgz#9d419b3e28f12e83a362164a277055922c9c0d56"
-  integrity sha1-nUGbPijxLoOjYhZKJ3BVkiycDVY=
+glob-stream@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/glob-stream/-/glob-stream-6.1.0.tgz#7045c99413b3eb94888d83ab46d0b404cc7bdde4"
+  integrity sha1-cEXJlBOz65SIjYOrRtC0BMx73eQ=
   dependencies:
-    find-index "^0.1.1"
+    extend "^3.0.0"
+    glob "^7.1.1"
+    glob-parent "^3.1.0"
+    is-negated-glob "^1.0.0"
+    ordered-read-streams "^1.0.0"
+    pumpify "^1.3.5"
+    readable-stream "^2.1.5"
+    remove-trailing-separator "^1.0.1"
+    to-absolute-glob "^2.0.0"
+    unique-stream "^2.0.2"
 
-glob@^4.3.1:
-  version "4.5.3"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-4.5.3.tgz#c6cb73d3226c1efef04de3c56d012f03377ee15f"
-  integrity sha1-xstz0yJsHv7wTePFbQEvAzd+4V8=
+glob-watcher@^5.0.3:
+  version "5.0.5"
+  resolved "https://registry.yarnpkg.com/glob-watcher/-/glob-watcher-5.0.5.tgz#aa6bce648332924d9a8489be41e3e5c52d4186dc"
+  integrity sha512-zOZgGGEHPklZNjZQaZ9f41i7F2YwE+tS5ZHrDhbBCk3stwahn5vQxnFmBJZHoYdusR6R1bLSXeGUy/BhctwKzw==
   dependencies:
-    inflight "^1.0.4"
-    inherits "2"
-    minimatch "^2.0.1"
-    once "^1.3.0"
+    anymatch "^2.0.0"
+    async-done "^1.2.0"
+    chokidar "^2.0.0"
+    is-negated-glob "^1.0.0"
+    just-debounce "^1.0.0"
+    normalize-path "^3.0.0"
+    object.defaults "^1.1.0"
 
 glob@^7.0.0, glob@^7.0.3, glob@^7.0.6, glob@^7.1.3:
   version "7.1.3"
@@ -1170,14 +1441,17 @@ glob@^7.0.0, glob@^7.0.3, glob@^7.0.6, glob@^7.1.3:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@~3.1.21:
-  version "3.1.21"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-3.1.21.tgz#d29e0a055dea5138f4d07ed40e8982e83c2066cd"
-  integrity sha1-0p4KBV3qUTj00H7UDomC6DwgZs0=
+glob@^7.1.1:
+  version "7.1.6"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
+  integrity sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==
   dependencies:
-    graceful-fs "~1.2.0"
-    inherits "1"
-    minimatch "~0.2.11"
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
 
 global-modules@^1.0.0:
   version "1.0.0"
@@ -1215,15 +1489,6 @@ globby@^6.1.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
-globule@~0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/globule/-/globule-0.1.0.tgz#d9c8edde1da79d125a151b79533b978676346ae5"
-  integrity sha1-2cjt3h2nnRJaFRt5UzuXhnY0auU=
-  dependencies:
-    glob "~3.1.21"
-    lodash "~1.0.1"
-    minimatch "~0.2.11"
-
 glogg@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/glogg/-/glogg-1.0.2.tgz#2d7dd702beda22eb3bffadf880696da6d846313f"
@@ -1236,22 +1501,39 @@ graceful-fs@4.1.11:
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
   integrity sha1-Dovf5NHduIVNZOBOp8AOKgJuVlg=
 
-graceful-fs@^3.0.0:
-  version "3.0.11"
-  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-3.0.11.tgz#7613c778a1afea62f25c630a086d7f3acbbdd818"
-  integrity sha1-dhPHeKGv6mLyXGMKCG1/Osu92Bg=
-  dependencies:
-    natives "^1.1.0"
+graceful-fs@^4.0.0:
+  version "4.2.4"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.4.tgz#2256bde14d3632958c465ebc96dc467ca07a29fb"
+  integrity sha512-WjKPNJF79dtJAVniUlGGWHYGz2jWxT6VhN/4m1NdkbZ2nOsEF+cI1Edgql5zCRhs/VsQYRvrXctxktVXZUkixw==
 
 graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
   version "4.1.15"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.15.tgz#ffb703e1066e8a0eeaa4c8b80ba9253eeefbfb00"
   integrity sha512-6uHUhOPEBgQ24HM+r6b/QwWfZq+yiFcipKFrOFiBEnWdy5sdzYoi+pJeQaPI5qOLRFqWmAXUPQNsielzdLoecA==
 
-graceful-fs@~1.2.0:
-  version "1.2.3"
-  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-1.2.3.tgz#15a4806a57547cb2d2dbf27f42e89a8c3451b364"
-  integrity sha1-FaSAaldUfLLS2/J/QuiajDRRs2Q=
+gulp-cli@^2.2.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/gulp-cli/-/gulp-cli-2.3.0.tgz#ec0d380e29e52aa45e47977f0d32e18fd161122f"
+  integrity sha512-zzGBl5fHo0EKSXsHzjspp3y5CONegCm8ErO5Qh0UzFzk2y4tMvzLWhoDokADbarfZRL2pGpRp7yt6gfJX4ph7A==
+  dependencies:
+    ansi-colors "^1.0.1"
+    archy "^1.0.0"
+    array-sort "^1.0.0"
+    color-support "^1.1.3"
+    concat-stream "^1.6.0"
+    copy-props "^2.0.1"
+    fancy-log "^1.3.2"
+    gulplog "^1.0.0"
+    interpret "^1.4.0"
+    isobject "^3.0.1"
+    liftoff "^3.1.0"
+    matchdep "^2.0.0"
+    mute-stdout "^1.0.0"
+    pretty-hrtime "^1.0.0"
+    replace-homedir "^1.0.0"
+    semver-greatest-satisfied-range "^1.1.0"
+    v8flags "^3.2.0"
+    yargs "^7.1.0"
 
 gulp-eslint@^3.0.1:
   version "3.0.1"
@@ -1297,24 +1579,15 @@ gulp-util@^3.0.0, gulp-util@^3.0.6:
     through2 "^2.0.0"
     vinyl "^0.5.0"
 
-gulp@^3.8.10:
-  version "3.9.1"
-  resolved "https://registry.yarnpkg.com/gulp/-/gulp-3.9.1.tgz#571ce45928dd40af6514fc4011866016c13845b4"
-  integrity sha1-VxzkWSjdQK9lFPxAEYZgFsE4RbQ=
+gulp@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/gulp/-/gulp-4.0.2.tgz#543651070fd0f6ab0a0650c6a3e6ff5a7cb09caa"
+  integrity sha512-dvEs27SCZt2ibF29xYgmnwwCYZxdxhQ/+LFWlbAW8y7jt68L/65402Lz3+CKy0Ov4rOs+NERmDq7YlZaDqUIfA==
   dependencies:
-    archy "^1.0.0"
-    chalk "^1.0.0"
-    deprecated "^0.0.1"
-    gulp-util "^3.0.0"
-    interpret "^1.0.0"
-    liftoff "^2.1.0"
-    minimist "^1.1.0"
-    orchestrator "^0.3.0"
-    pretty-hrtime "^1.0.0"
-    semver "^4.1.0"
-    tildify "^1.0.0"
-    v8flags "^2.0.2"
-    vinyl-fs "^0.3.0"
+    glob-watcher "^5.0.3"
+    gulp-cli "^2.2.0"
+    undertaker "^1.2.1"
+    vinyl-fs "^3.0.0"
 
 gulplog@^1.0.0:
   version "1.0.0"
@@ -1337,6 +1610,11 @@ has-gulplog@^0.1.0:
   dependencies:
     sparkles "^1.0.0"
 
+has-symbols@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.1.tgz#9f5214758a44196c406d9bd76cebf81ec2dd31e8"
+  integrity sha512-PLcsoqu++dmEIZB+6totNFKq/7Do+Z0u4oT0zKOJNl3lYK6vGwwu2hjHs+68OEZbTjiUE9bgOABXbP/GvrS0Kg==
+
 has-unicode@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
@@ -1373,6 +1651,13 @@ has-values@^1.0.0:
     is-number "^3.0.0"
     kind-of "^4.0.0"
 
+has@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/has/-/has-1.0.3.tgz#722d7cbfc1f6aa8241f16dd814e011e1f41e8796"
+  integrity sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==
+  dependencies:
+    function-bind "^1.1.1"
+
 homedir-polyfill@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/homedir-polyfill/-/homedir-polyfill-1.0.3.tgz#743298cef4e5af3e194161fbadcc2151d3a058e8"
@@ -1380,6 +1665,11 @@ homedir-polyfill@^1.0.1:
   dependencies:
     parse-passwd "^1.0.0"
 
+hosted-git-info@^2.1.4:
+  version "2.8.8"
+  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.8.tgz#7539bd4bc1e0e0a895815a2e0262420b12858488"
+  integrity sha512-f/wzC2QaWBs7t9IYqB4T3sR1xviIViXJRJTWBlx2Gf3g0Xi5vI7Yy4koXQ1c9OYDGHN9sBy1DQ2AB8fqZBWhUg==
+
 http-auth@3.1.x:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/http-auth/-/http-auth-3.1.3.tgz#945cfadd66521eaf8f7c84913d377d7b15f24e31"
@@ -1452,16 +1742,16 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/inherits/-/inherits-1.0.2.tgz#ca4309dadee6b54cc0b8d247e8d7c7a0975bdc9b"
-  integrity sha1-ykMJ2t7mtUzAuNJH6NfHoJdb3Js=
-
 inherits@2, inherits@2.0.3, inherits@^2.0.3, inherits@~2.0.1, inherits@~2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
   integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
 
+inherits@^2.0.1:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
+
 ini@^1.3.4, ini@~1.3.0:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
@@ -1491,6 +1781,16 @@ interpret@^1.0.0:
   resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.2.0.tgz#d5061a6224be58e8083985f5014d844359576296"
   integrity sha512-mT34yGKMNceBQUoVn7iCDKDntA7SC6gycMAWzGx1z/CMCTV7b2AAtXlo3nRyHZ1FelRkQbQjprHSYGwzLtkVbw==
 
+interpret@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.4.0.tgz#665ab8bc4da27a774a40584e812e3e0fa45b1a1e"
+  integrity sha512-agE4QfB2Lkp9uICn7BAqoscw4SZP9kTE2hxiFI3jBPmXJfdqiahTbUuKGsMoN2GtqL9AxhYioAcVvgsb1HvRbA==
+
+invert-kv@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/invert-kv/-/invert-kv-1.0.0.tgz#104a8e4aaca6d3d8cd157a8ef8bfab2d7a3ffdb6"
+  integrity sha1-EEqOSqym09jNFXqO+L+rLXo//bY=
+
 is-absolute@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-absolute/-/is-absolute-1.0.0.tgz#395e1ae84b11f26ad1795e73c17378e48a301576"
@@ -1513,6 +1813,11 @@ is-accessor-descriptor@^1.0.0:
   dependencies:
     kind-of "^6.0.0"
 
+is-arrayish@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
+  integrity sha1-d8mYQFJ6qOyxqLppe4BkWnqSap0=
+
 is-binary-path@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-1.0.1.tgz#75f16642b480f187a711c814161fd3a4a7655898"
@@ -1525,6 +1830,11 @@ is-buffer@^1.1.5:
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
   integrity sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==
 
+is-callable@^1.1.4, is-callable@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.2.2.tgz#c7c6715cd22d4ddb48d3e19970223aceabb080d9"
+  integrity sha512-dnMqspv5nU3LoewK2N/y7KLtxtakvTuaCsU9FU50/QDmdbHNy/4/JuRtMHqRU22o3q+W89YQndQEeCVwK+3qrA==
+
 is-data-descriptor@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz#0b5ee648388e2c860282e793f1856fec3f301b56"
@@ -1539,6 +1849,11 @@ is-data-descriptor@^1.0.0:
   dependencies:
     kind-of "^6.0.0"
 
+is-date-object@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-date-object/-/is-date-object-1.0.2.tgz#bda736f2cd8fd06d32844e7743bfa7494c3bfd7e"
+  integrity sha512-USlDT524woQ08aoZFzh3/Z6ch9Y/EWXEHQ/AaRN0SkKq4t2Jw2R2339tSXmwuVoY7LLlBCbOIlx2myP/L5zk0g==
+
 is-descriptor@^0.1.0:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/is-descriptor/-/is-descriptor-0.1.6.tgz#366d8240dde487ca51823b1ab9f07a10a78251ca"
@@ -1623,6 +1938,16 @@ is-my-json-valid@^2.10.0:
     jsonpointer "^4.0.0"
     xtend "^4.0.0"
 
+is-negated-glob@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-negated-glob/-/is-negated-glob-1.0.0.tgz#6910bca5da8c95e784b5751b976cf5a10fee36d2"
+  integrity sha1-aRC8pdqMleeEtXUbl2z1oQ/uNtI=
+
+is-negative-zero@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/is-negative-zero/-/is-negative-zero-2.0.0.tgz#9553b121b0fac28869da9ed459e20c7543788461"
+  integrity sha1-lVOxIbD6wohp2p7UWeIMdUN4hGE=
+
 is-number@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/is-number/-/is-number-3.0.0.tgz#24fd6201a4782cf50561c810276afc7d12d71195"
@@ -1630,6 +1955,11 @@ is-number@^3.0.0:
   dependencies:
     kind-of "^3.0.2"
 
+is-number@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-4.0.0.tgz#0026e37f5454d73e356dfe6564699867c6a7f0ff"
+  integrity sha512-rSklcAIlf1OmFdyAqbnWTLVelsQ58uvZ66S/ZyawjWqIviTWCjg2PzVGw8WUA+nNuPTqb4wgA+NszrJ+08LlgQ==
+
 is-plain-obj@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-plain-obj/-/is-plain-obj-1.1.0.tgz#71a50c8429dfca773c92a390a4a03b39fcd51d3e"
@@ -1647,6 +1977,13 @@ is-property@^1.0.0, is-property@^1.0.2:
   resolved "https://registry.yarnpkg.com/is-property/-/is-property-1.0.2.tgz#57fe1c4e48474edd65b09911f26b1cd4095dda84"
   integrity sha1-V/4cTkhHTt1lsJkR8msc1Ald2oQ=
 
+is-regex@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.1.1.tgz#c6f98aacc546f6cec5468a07b7b153ab564a57b9"
+  integrity sha512-1+QkEcxiLlB7VEyFtyBg94e08OAsvq7FUBgApTq/w2ymCLyKJgDPsybBENVtA7XCQEgEXxKPonG+mvYRxh/LIg==
+  dependencies:
+    has-symbols "^1.0.1"
+
 is-relative@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-relative/-/is-relative-1.0.0.tgz#a1bb6935ce8c5dba1e8b9754b9b2dcc020e2260d"
@@ -1659,6 +1996,13 @@ is-resolvable@^1.0.0:
   resolved "https://registry.yarnpkg.com/is-resolvable/-/is-resolvable-1.1.0.tgz#fb18f87ce1feb925169c9a407c19318a3206ed88"
   integrity sha512-qgDYXFSR5WvEfuS5dMj6oTMEbrrSaM0CrFk2Yiq/gXnBvD9pMa2jGXxyhGLfvhZpuMZe18CJpFxAt3CRs42NMg==
 
+is-symbol@^1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/is-symbol/-/is-symbol-1.0.3.tgz#38e1014b9e6329be0de9d24a414fd7441ec61937"
+  integrity sha512-OwijhaRSgqvhm/0ZdAcXNZt9lYdKFpcRDT5ULUuYXPoT794UNOdU+gpT6Rzo7b4V2HUl/op6GqY894AZwv9faQ==
+  dependencies:
+    has-symbols "^1.0.1"
+
 is-unc-path@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-unc-path/-/is-unc-path-1.0.0.tgz#d731e8898ed090a12c352ad2eaed5095ad322c9d"
@@ -1666,11 +2010,16 @@ is-unc-path@^1.0.0:
   dependencies:
     unc-path-regex "^0.1.2"
 
-is-utf8@^0.2.0:
+is-utf8@^0.2.0, is-utf8@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
   integrity sha1-Sw2hRCEE0bM2NA6AeX6GXPOffXI=
 
+is-valid-glob@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-valid-glob/-/is-valid-glob-1.0.0.tgz#29bf3eff701be2d4d315dbacc39bc39fe8f601aa"
+  integrity sha1-Kb8+/3Ab4tTTFdusw5vDn+j2Aao=
+
 is-windows@^1.0.1, is-windows@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.2.tgz#d1850eb9791ecd18e6182ce12a30f396634bb19d"
@@ -1768,6 +2117,11 @@ jsdoc@3.5.5:
     taffydb "2.6.2"
     underscore "~1.8.3"
 
+json-stable-stringify-without-jsonify@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz#9db7b59496ad3f3cfef30a75142d2d930ad72651"
+  integrity sha1-nbe1lJatPzz+8wp1FC0tkwrXJlE=
+
 json-stable-stringify@^1.0.0, json-stable-stringify@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz#9a759d39c5f2ff503fd5300646ed445f88c4f9af"
@@ -1792,6 +2146,11 @@ jsonpointer@^4.0.0:
   resolved "https://registry.yarnpkg.com/jsonpointer/-/jsonpointer-4.0.1.tgz#4fd92cb34e0e9db3c89c8622ecf51f9b978c6cb9"
   integrity sha1-T9kss04OnbPInIYi7PUfm5eMbLk=
 
+just-debounce@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/just-debounce/-/just-debounce-1.0.0.tgz#87fccfaeffc0b68cd19d55f6722943f929ea35ea"
+  integrity sha1-h/zPrv/AtozRnVX2cilD+SnqNeo=
+
 kind-of@^3.0.2, kind-of@^3.0.3, kind-of@^3.2.0:
   version "3.2.2"
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.2.2.tgz#31ea21a734bab9bbb0f32466d893aea51e4a3c64"
@@ -1806,7 +2165,7 @@ kind-of@^4.0.0:
   dependencies:
     is-buffer "^1.1.5"
 
-kind-of@^5.0.0:
+kind-of@^5.0.0, kind-of@^5.0.2:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-5.1.0.tgz#729c91e2d857b7a419a1f9aa65685c4c33f5845d"
   integrity sha512-NGEErnH6F2vUuXDh+OlbcKW7/wOcfdRHaZ7VWtqCztfHri/++YKmP51OdWeGPuqCOba6kk2OTe5d02VmTB80Pw==
@@ -1823,6 +2182,35 @@ klaw@~2.0.0:
   dependencies:
     graceful-fs "^4.1.9"
 
+last-run@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/last-run/-/last-run-1.1.1.tgz#45b96942c17b1c79c772198259ba943bebf8ca5b"
+  integrity sha1-RblpQsF7HHnHchmCWbqUO+v4yls=
+  dependencies:
+    default-resolution "^2.0.0"
+    es6-weak-map "^2.0.1"
+
+lazystream@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/lazystream/-/lazystream-1.0.0.tgz#f6995fe0f820392f61396be89462407bb77168e4"
+  integrity sha1-9plf4PggOS9hOWvolGJAe7dxaOQ=
+  dependencies:
+    readable-stream "^2.0.5"
+
+lcid@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/lcid/-/lcid-1.0.0.tgz#308accafa0bc483a3867b4b6f2b9506251d1b835"
+  integrity sha1-MIrMr6C8SDo4Z7S28rlQYlHRuDU=
+  dependencies:
+    invert-kv "^1.0.0"
+
+lead@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/lead/-/lead-1.0.0.tgz#6f14f99a37be3a9dd784f5495690e5903466ee42"
+  integrity sha1-bxT5mje+Op3XhPVJVpDlkDRm7kI=
+  dependencies:
+    flush-write-stream "^1.0.2"
+
 levn@^0.3.0, levn@~0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/levn/-/levn-0.3.0.tgz#3b09924edf9f083c0490fdd4c0bc4421e04764ee"
@@ -1831,13 +2219,13 @@ levn@^0.3.0, levn@~0.3.0:
     prelude-ls "~1.1.2"
     type-check "~0.3.2"
 
-liftoff@^2.1.0:
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/liftoff/-/liftoff-2.5.0.tgz#2009291bb31cea861bbf10a7c15a28caf75c31ec"
-  integrity sha1-IAkpG7Mc6oYbvxCnwVooyvdcMew=
+liftoff@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/liftoff/-/liftoff-3.1.0.tgz#c9ba6081f908670607ee79062d700df062c52ed3"
+  integrity sha512-DlIPlJUkCV0Ips2zf2pJP0unEoT1kwYhiiPUGF3s/jtxTCjziNLoiVVh+jqWOWeFi6mmwQ5fNxvAUyPad4Dfog==
   dependencies:
     extend "^3.0.0"
-    findup-sync "^2.0.0"
+    findup-sync "^3.0.0"
     fined "^1.0.1"
     flagged-respawn "^1.0.0"
     is-plain-object "^2.0.4"
@@ -1864,6 +2252,17 @@ live-server@^1.2.0:
     send latest
     serve-index "^1.9.1"
 
+load-json-file@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-1.1.0.tgz#956905708d58b4bab4c2261b04f59f31c99374c0"
+  integrity sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=
+  dependencies:
+    graceful-fs "^4.1.2"
+    parse-json "^2.2.0"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+    strip-bom "^2.0.0"
+
 lodash._basecopy@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/lodash._basecopy/-/lodash._basecopy-3.0.1.tgz#8da0e6a876cf344c0ad8a54882111dd3c5c7ca36"
@@ -1968,16 +2367,6 @@ lodash@^4.0.0, lodash@^4.17.10, lodash@^4.3.0:
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
   integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
 
-lodash@~1.0.1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-1.0.2.tgz#8f57560c83b59fc270bd3d561b690043430e2551"
-  integrity sha1-j1dWDIO1n8JwvT1WG2kAQ0MOJVE=
-
-lru-cache@2:
-  version "2.7.3"
-  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-2.7.3.tgz#6d4524e8b955f95d4f5b58851ce21dd72fb4e952"
-  integrity sha1-bUUk6LlV+V1PW1iFHOId1y+06VI=
-
 make-iterator@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/make-iterator/-/make-iterator-1.0.1.tgz#29b33f312aa8f547c4a5e490f56afcec99133ad6"
@@ -2007,6 +2396,16 @@ marked@~0.3.6:
   resolved "https://registry.yarnpkg.com/marked/-/marked-0.3.19.tgz#5d47f709c4c9fc3c216b6d46127280f40b39d790"
   integrity sha512-ea2eGWOqNxPcXv8dyERdSr/6FmzvWwzjMxpfGB/sbMccXoct+xY+YukPD+QTUZwyvK7BZwcr4m21WBOW41pAkg==
 
+matchdep@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/matchdep/-/matchdep-2.0.0.tgz#c6f34834a0d8dbc3b37c27ee8bbcb27c7775582e"
+  integrity sha1-xvNINKDY28OzfCfui7yyfHd1WC4=
+  dependencies:
+    findup-sync "^2.0.0"
+    micromatch "^3.0.4"
+    resolve "^1.4.0"
+    stack-trace "0.0.10"
+
 micromatch@^3.0.4, micromatch@^3.1.10, micromatch@^3.1.4:
   version "3.1.10"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"
@@ -2043,13 +2442,6 @@ mime@1.4.1:
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.4.1.tgz#121f9ebc49e3766f311a76e1fa1c8003c4b03aa6"
   integrity sha512-KI1+qOZu5DcW6wayYHSzR/tXKCDC5Om4s1z2QJjDULzLcmf3DvzS7oluY4HCTrc+9FiKmWUgeNLg7W3uIQvxtQ==
 
-minimatch@^2.0.1:
-  version "2.0.10"
-  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-2.0.10.tgz#8d087c39c6b38c001b97fca7ce6d0e1e80afbac7"
-  integrity sha1-jQh8OcazjAAbl/ynzm0OHoCvusc=
-  dependencies:
-    brace-expansion "^1.0.0"
-
 minimatch@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
@@ -2057,14 +2449,6 @@ minimatch@^3.0.4:
   dependencies:
     brace-expansion "^1.1.7"
 
-minimatch@~0.2.11:
-  version "0.2.14"
-  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-0.2.14.tgz#c74e780574f63c6f9a090e90efbe6ef53a6a756a"
-  integrity sha1-x054BXT2PG+aCQ6Q775u9TpqdWo=
-  dependencies:
-    lru-cache "2"
-    sigmund "~1.0.0"
-
 minimist@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
@@ -2128,6 +2512,11 @@ multipipe@^0.1.2:
   dependencies:
     duplexer2 "0.0.2"
 
+mute-stdout@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/mute-stdout/-/mute-stdout-1.0.1.tgz#acb0300eb4de23a7ddeec014e3e96044b3472331"
+  integrity sha512-kDcwXR4PS7caBpuRYYBUz9iVixUk3anO3f5OYFiIPwK/20vCzKCHyKoulbiDY1S53zD2bxUpxN/IJ+TnXjfvxg==
+
 mute-stream@0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.5.tgz#8fbfabb0a98a253d3184331f9e8deb7372fac6c0"
@@ -2155,11 +2544,6 @@ nanomatch@^1.2.9:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
-natives@^1.1.0:
-  version "1.1.6"
-  resolved "https://registry.yarnpkg.com/natives/-/natives-1.1.6.tgz#a603b4a498ab77173612b9ea1acdec4d980f00bb"
-  integrity sha512-6+TDFewD4yxY14ptjKaS63GVdtKiES1pTPyxn9Jb0rBqPMZ7VcCiooEhPNsr+mqHtMGxa/5c/HhcC4uPEUw/nA==
-
 natural-compare@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
@@ -2208,6 +2592,16 @@ nopt@^4.0.1:
     abbrev "1"
     osenv "^0.1.4"
 
+normalize-package-data@^2.3.2:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.5.0.tgz#e66db1838b200c1dfc233225d12cb36520e234a8"
+  integrity sha512-/5CMN3T0R4XTj4DcGaexo+roZSdSFW/0AOOTROrjxzCG1wrWXEsGbRKevjlIL+ZDE4sZlJr5ED4YW0yqmkK+eA==
+  dependencies:
+    hosted-git-info "^2.1.4"
+    resolve "^1.10.0"
+    semver "2 || 3 || 4 || 5"
+    validate-npm-package-license "^3.0.1"
+
 normalize-path@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-2.1.1.tgz#1ab28b556e198363a8c1a6f7e6fa20137fe6aed9"
@@ -2230,6 +2624,13 @@ normalize-url@^1.0.0:
     query-string "^4.1.0"
     sort-keys "^1.0.0"
 
+now-and-later@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/now-and-later/-/now-and-later-2.0.1.tgz#8e579c8685764a7cc02cb680380e94f43ccb1f7c"
+  integrity sha512-KGvQ0cB70AQfg107Xvs/Fbu+dGmZoTRJp2TaPwcwQm3/7PteUyN2BCgk8KBMPGBUXZdVwyWS8fDCGFygBm19UQ==
+  dependencies:
+    once "^1.3.2"
+
 npm-bundled@^1.0.1:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/npm-bundled/-/npm-bundled-1.0.6.tgz#e7ba9aadcef962bb61248f91721cd932b3fe6bdd"
@@ -2277,6 +2678,16 @@ object-copy@^0.1.0:
     define-property "^0.2.5"
     kind-of "^3.0.3"
 
+object-inspect@^1.8.0:
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.8.0.tgz#df807e5ecf53a609cc6bfe93eac3cc7be5b3a9d0"
+  integrity sha512-jLdtEOB112fORuypAyl/50VRVIBIdVQOSUUGQHzJ4xBSbit81zRarz7GThkEFZy1RceYrWYcPcBFPQwHyAc1gA==
+
+object-keys@^1.0.12, object-keys@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.1.1.tgz#1c47f272df277f3b1daf061677d9c82e2322c60e"
+  integrity sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA==
+
 object-visit@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/object-visit/-/object-visit-1.0.1.tgz#f79c4493af0c5377b59fe39d395e41042dd045bb"
@@ -2284,7 +2695,17 @@ object-visit@^1.0.0:
   dependencies:
     isobject "^3.0.0"
 
-object.defaults@^1.1.0:
+object.assign@^4.0.4, object.assign@^4.1.0, object.assign@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/object.assign/-/object.assign-4.1.1.tgz#303867a666cdd41936ecdedfb1f8f3e32a478cdd"
+  integrity sha512-VT/cxmx5yaoHSOTSyrCygIDFco+RsibY2NM0a4RdEeY/4KgqezwFtK1yr3U67xYhqJSlASm2pKhLVzPj2lr4bA==
+  dependencies:
+    define-properties "^1.1.3"
+    es-abstract "^1.18.0-next.0"
+    has-symbols "^1.0.1"
+    object-keys "^1.1.1"
+
+object.defaults@^1.0.0, object.defaults@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/object.defaults/-/object.defaults-1.1.0.tgz#3a7f868334b407dea06da16d88d5cd29e435fecf"
   integrity sha1-On+GgzS0B96gbaFtiNXNKeQ1/s8=
@@ -2309,6 +2730,14 @@ object.pick@^1.2.0, object.pick@^1.3.0:
   dependencies:
     isobject "^3.0.1"
 
+object.reduce@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/object.reduce/-/object.reduce-1.0.1.tgz#6fe348f2ac7fa0f95ca621226599096825bb03ad"
+  integrity sha1-b+NI8qx/oPlcpiEiZZkJaCW7A60=
+  dependencies:
+    for-own "^1.0.0"
+    make-iterator "^1.0.0"
+
 on-finished@~2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
@@ -2321,20 +2750,13 @@ on-headers@~1.0.1:
   resolved "https://registry.yarnpkg.com/on-headers/-/on-headers-1.0.2.tgz#772b0ae6aaa525c399e489adfad90c403eb3c28f"
   integrity sha512-pZAE+FJLoyITytdqK0U5s+FIpjN0JP3OzFi/u8Rx+EV5/W+JTWGXG8xFzevE7AjBfDqHv/8vL8qQsIhHnqRkrA==
 
-once@^1.3.0:
+once@^1.3.0, once@^1.3.1, once@^1.3.2, once@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
   integrity sha1-WDsap3WWHUsROsF9nFC6753Xa9E=
   dependencies:
     wrappy "1"
 
-once@~1.3.0:
-  version "1.3.3"
-  resolved "https://registry.yarnpkg.com/once/-/once-1.3.3.tgz#b2e261557ce4c314ec8304f3fa82663e4297ca20"
-  integrity sha1-suJhVXzkwxTsgwTz+oJmPkKXyiA=
-  dependencies:
-    wrappy "1"
-
 onetime@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
@@ -2359,25 +2781,25 @@ optionator@^0.8.2:
     type-check "~0.3.2"
     wordwrap "~1.0.0"
 
-orchestrator@^0.3.0:
-  version "0.3.8"
-  resolved "https://registry.yarnpkg.com/orchestrator/-/orchestrator-0.3.8.tgz#14e7e9e2764f7315fbac184e506c7aa6df94ad7e"
-  integrity sha1-FOfp4nZPcxX7rBhOUGx6pt+UrX4=
+ordered-read-streams@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/ordered-read-streams/-/ordered-read-streams-1.0.1.tgz#77c0cb37c41525d64166d990ffad7ec6a0e1363e"
+  integrity sha1-d8DLN8QVJdZBZtmQ/61+xqDhNj4=
   dependencies:
-    end-of-stream "~0.1.5"
-    sequencify "~0.0.7"
-    stream-consume "~0.1.0"
-
-ordered-read-streams@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/ordered-read-streams/-/ordered-read-streams-0.1.0.tgz#fd565a9af8eb4473ba69b6ed8a34352cb552f126"
-  integrity sha1-/VZamvjrRHO6abbtijQ1LLVS8SY=
+    readable-stream "^2.0.1"
 
 os-homedir@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
   integrity sha1-/7xJiDNuDoM94MFox+8VISGqf7M=
 
+os-locale@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-1.4.0.tgz#20f9f17ae29ed345e8bde583b13d2009803c14d9"
+  integrity sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=
+  dependencies:
+    lcid "^1.0.0"
+
 os-tmpdir@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
@@ -2400,6 +2822,13 @@ parse-filepath@^1.0.1:
     map-cache "^0.2.0"
     path-root "^0.1.1"
 
+parse-json@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-2.2.0.tgz#f480f40434ef80741f8469099f8dea18f55a4dc9"
+  integrity sha1-9ID0BDTvgHQfhGkJn43qGPVaTck=
+  dependencies:
+    error-ex "^1.2.0"
+
 parse-node-version@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/parse-node-version/-/parse-node-version-1.0.1.tgz#e2b5dbede00e7fa9bc363607f53327e8b073189b"
@@ -2425,6 +2854,13 @@ path-dirname@^1.0.0:
   resolved "https://registry.yarnpkg.com/path-dirname/-/path-dirname-1.0.2.tgz#cc33d24d525e099a5388c0336c6e32b9160609e0"
   integrity sha1-zDPSTVJeCZpTiMAzbG4yuRYGCeA=
 
+path-exists@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"
+  integrity sha1-D+tsZPD8UY2adU3V77YscCJ2H0s=
+  dependencies:
+    pinkie-promise "^2.0.0"
+
 path-is-absolute@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
@@ -2452,6 +2888,15 @@ path-root@^0.1.1:
   dependencies:
     path-root-regex "^0.1.0"
 
+path-type@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/path-type/-/path-type-1.1.0.tgz#59c44f7ee491da704da415da5a4070ba4f8fe441"
+  integrity sha1-WcRPfuSR2nBNpBXaWkBwuk+P5EE=
+  dependencies:
+    graceful-fs "^4.1.2"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+
 pause-stream@0.0.11:
   version "0.0.11"
   resolved "https://registry.yarnpkg.com/pause-stream/-/pause-stream-0.0.11.tgz#fe5a34b0cbce12b5aa6a2b403ee2e73b602f1445"
@@ -2501,6 +2946,11 @@ pretty-hrtime@^1.0.0:
   resolved "https://registry.yarnpkg.com/pretty-hrtime/-/pretty-hrtime-1.0.3.tgz#b7e3ea42435a4c9b2759d99e0f201eb195802ee1"
   integrity sha1-t+PqQkNaTJsnWdmeDyAesZWALuE=
 
+process-nextick-args@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.1.tgz#7820d9b16120cc55ca9ae7792680ae7dba6d7fe2"
+  integrity sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==
+
 process-nextick-args@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.0.tgz#a37d732f4271b4ab1ad070d35508e8290788ffaa"
@@ -2516,6 +2966,23 @@ proxy-middleware@latest:
   resolved "https://registry.yarnpkg.com/proxy-middleware/-/proxy-middleware-0.15.0.tgz#a3fdf1befb730f951965872ac2f6074c61477a56"
   integrity sha1-o/3xvvtzD5UZZYcqwvYHTGFHelY=
 
+pump@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/pump/-/pump-2.0.1.tgz#12399add6e4cf7526d973cbc8b5ce2e2908b3909"
+  integrity sha512-ruPMNRkN3MHP1cWJc9OWr+T/xDP0jhXYCLfJcBuX54hhfIBnaQmAUMfDcG4DM5UMWByBbJY69QSphm3jtDKIkA==
+  dependencies:
+    end-of-stream "^1.1.0"
+    once "^1.3.1"
+
+pumpify@^1.3.5:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/pumpify/-/pumpify-1.5.1.tgz#36513be246ab27570b1a374a5ce278bfd74370ce"
+  integrity sha512-oClZI37HvuUJJxSKKrC17bZ9Cu0ZYhEAGPsPUy9KlMUmv9dKX2o77RUmq7f3XjIxbwyGwYzbzQ1L2Ks8sIradQ==
+  dependencies:
+    duplexify "^3.6.0"
+    inherits "^2.0.3"
+    pump "^2.0.0"
+
 query-string@^4.1.0:
   version "4.3.4"
   resolved "https://registry.yarnpkg.com/query-string/-/query-string-4.3.4.tgz#bbb693b9ca915c232515b228b1a02b609043dbeb"
@@ -2539,15 +3006,35 @@ rc@^1.2.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-"readable-stream@>=1.0.33-1 <1.1.0-0":
-  version "1.0.34"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
-  integrity sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=
+read-pkg-up@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-1.0.1.tgz#9d63c13276c065918d57f002a57f40a1b643fb02"
+  integrity sha1-nWPBMnbAZZGNV/ACpX9AobZD+wI=
+  dependencies:
+    find-up "^1.0.0"
+    read-pkg "^1.0.0"
+
+read-pkg@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-1.1.0.tgz#f5ffaa5ecd29cb31c0474bca7d756b6bb29e3f28"
+  integrity sha1-9f+qXs0pyzHAR0vKfXVra7KePyg=
+  dependencies:
+    load-json-file "^1.0.0"
+    normalize-package-data "^2.3.2"
+    path-type "^1.0.0"
+
+readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.5, readable-stream@^2.1.5, readable-stream@^2.3.3, readable-stream@^2.3.5, readable-stream@^2.3.6:
+  version "2.3.7"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.7.tgz#1eca1cf711aef814c04f62252a36a62f6cb23b57"
+  integrity sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==
   dependencies:
     core-util-is "~1.0.0"
-    inherits "~2.0.1"
-    isarray "0.0.1"
-    string_decoder "~0.10.x"
+    inherits "~2.0.3"
+    isarray "~1.0.0"
+    process-nextick-args "~2.0.0"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.1.1"
+    util-deprecate "~1.0.1"
 
 readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.2.2, readable-stream@~2.3.6:
   version "2.3.6"
@@ -2605,7 +3092,24 @@ regex-not@^1.0.0, regex-not@^1.0.2:
     extend-shallow "^3.0.2"
     safe-regex "^1.1.0"
 
-remove-trailing-separator@^1.0.1:
+remove-bom-buffer@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/remove-bom-buffer/-/remove-bom-buffer-3.0.0.tgz#c2bf1e377520d324f623892e33c10cac2c252b53"
+  integrity sha512-8v2rWhaakv18qcvNeli2mZ/TMTL2nEyAKRvzo1WtnZBl15SHyEhrCu2/xKlJyUFKHiHgfXIyuY6g2dObJJycXQ==
+  dependencies:
+    is-buffer "^1.1.5"
+    is-utf8 "^0.2.1"
+
+remove-bom-stream@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/remove-bom-stream/-/remove-bom-stream-1.2.0.tgz#05f1a593f16e42e1fb90ebf59de8e569525f9523"
+  integrity sha1-BfGlk/FuQuH7kOv1nejlaVJflSM=
+  dependencies:
+    remove-bom-buffer "^3.0.0"
+    safe-buffer "^5.1.0"
+    through2 "^2.0.3"
+
+remove-trailing-separator@^1.0.1, remove-trailing-separator@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz#c24bce2a283adad5bc3f58e0d48249b92379d8ef"
   integrity sha1-wkvOKig62tW8P1jg1IJJuSN52O8=
@@ -2632,6 +3136,30 @@ replace-ext@0.0.1:
   resolved "https://registry.yarnpkg.com/replace-ext/-/replace-ext-0.0.1.tgz#29bbd92078a739f0bcce2b4ee41e837953522924"
   integrity sha1-KbvZIHinOfC8zitO5B6DeVNSKSQ=
 
+replace-ext@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/replace-ext/-/replace-ext-1.0.1.tgz#2d6d996d04a15855d967443631dd5f77825b016a"
+  integrity sha512-yD5BHCe7quCgBph4rMQ+0KkIRKwWCrHDOX1p1Gp6HwjPM5kVoCdKGNhN7ydqqsX6lJEnQDKZ/tFMiEdQ1dvPEw==
+
+replace-homedir@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/replace-homedir/-/replace-homedir-1.0.0.tgz#e87f6d513b928dde808260c12be7fec6ff6e798c"
+  integrity sha1-6H9tUTuSjd6AgmDBK+f+xv9ueYw=
+  dependencies:
+    homedir-polyfill "^1.0.1"
+    is-absolute "^1.0.0"
+    remove-trailing-separator "^1.1.0"
+
+require-directory@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
+  integrity sha1-jGStX9MNqxyXbiNE/+f3kqam30I=
+
+require-main-filename@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-1.0.1.tgz#97f717b69d48784f5f526a6c5aa8ffdda055a4d1"
+  integrity sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE=
+
 require-uncached@^1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/require-uncached/-/require-uncached-1.0.3.tgz#4e0d56d6c9662fd31e43011c4b95aa49955421d3"
@@ -2660,6 +3188,13 @@ resolve-from@^1.0.0:
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"
   integrity sha1-Jsv+k10a7uq7Kbw/5a6wHpPUQiY=
 
+resolve-options@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/resolve-options/-/resolve-options-1.1.0.tgz#32bb9e39c06d67338dc9378c0d6d6074566ad131"
+  integrity sha1-MrueOcBtZzONyTeMDW1gdFZq0TE=
+  dependencies:
+    value-or-function "^3.0.0"
+
 resolve-url@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
@@ -2672,6 +3207,13 @@ resolve@^1.1.6, resolve@^1.1.7:
   dependencies:
     path-parse "^1.0.6"
 
+resolve@^1.10.0, resolve@^1.4.0:
+  version "1.17.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.17.0.tgz#b25941b54968231cc2d1bb76a79cb7f2c0bf8444"
+  integrity sha512-ic+7JYiV8Vi2yzQGFWOkiZD5Z9z7O2Zhm9XMaTxdJExKasieFCr+yXZ/WmXsckHiKl12ar0y6XiXDx3m4RHn1w==
+  dependencies:
+    path-parse "^1.0.6"
+
 restore-cursor@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-1.0.1.tgz#34661f46886327fed2991479152252df92daa541"
@@ -2709,6 +3251,11 @@ safe-buffer@5.1.2, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
 
+safe-buffer@^5.1.0:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+  integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
+
 safe-regex@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
@@ -2726,10 +3273,17 @@ sax@^1.2.4:
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
   integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
 
-semver@^4.1.0:
-  version "4.3.6"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-4.3.6.tgz#300bc6e0e86374f7ba61068b5b1ecd57fc6532da"
-  integrity sha1-MAvG4OhjdPe6YQaLWx7NV/xlMto=
+semver-greatest-satisfied-range@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/semver-greatest-satisfied-range/-/semver-greatest-satisfied-range-1.1.0.tgz#13e8c2658ab9691cb0cd71093240280d36f77a5b"
+  integrity sha1-E+jCZYq5aRywzXEJMkAoDTb3els=
+  dependencies:
+    sver-compat "^1.5.0"
+
+"semver@2 || 3 || 4 || 5":
+  version "5.7.1"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
+  integrity sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==
 
 semver@^5.3.0:
   version "5.6.0"
@@ -2755,11 +3309,6 @@ send@latest:
     range-parser "~1.2.0"
     statuses "~1.4.0"
 
-sequencify@~0.0.7:
-  version "0.0.7"
-  resolved "https://registry.yarnpkg.com/sequencify/-/sequencify-0.0.7.tgz#90cff19d02e07027fd767f5ead3e7b95d1e7380c"
-  integrity sha1-kM/xnQLgcCf9dn9erT57ldHnOAw=
-
 serve-index@^1.9.1:
   version "1.9.1"
   resolved "https://registry.yarnpkg.com/serve-index/-/serve-index-1.9.1.tgz#d3768d69b1e7d82e5ce050fff5b453bea12a9239"
@@ -2773,7 +3322,7 @@ serve-index@^1.9.1:
     mime-types "~2.1.17"
     parseurl "~1.3.2"
 
-set-blocking@~2.0.0:
+set-blocking@^2.0.0, set-blocking@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
   integrity sha1-BF+XgtARrppoA93TgrJDkrPYkPc=
@@ -2812,11 +3361,6 @@ shelljs@^0.7.5:
     interpret "^1.0.0"
     rechoir "^0.6.2"
 
-sigmund@~1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/sigmund/-/sigmund-1.0.1.tgz#3ff21f198cad2175f9f3b781853fd94d0d19b590"
-  integrity sha1-P/IfGYytIXX587eBhT/ZTQ0ZtZA=
-
 signal-exit@^3.0.0:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
@@ -2890,6 +3434,32 @@ sparkles@^1.0.0:
   resolved "https://registry.yarnpkg.com/sparkles/-/sparkles-1.0.1.tgz#008db65edce6c50eec0c5e228e1945061dd0437c"
   integrity sha512-dSO0DDYUahUt/0/pD/Is3VIm5TGJjludZ0HVymmhYF6eNA53PVLhnUk0znSYbH8IYBuJdCE+1luR22jNLMaQdw==
 
+spdx-correct@^3.0.0:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-3.1.1.tgz#dece81ac9c1e6713e5f7d1b6f17d468fa53d89a9"
+  integrity sha512-cOYcUWwhCuHCXi49RhFRCyJEK3iPj1Ziz9DpViV3tbZOwXD49QzIN3MpOLJNxh2qwq2lJJZaKMVw9qNi4jTC0w==
+  dependencies:
+    spdx-expression-parse "^3.0.0"
+    spdx-license-ids "^3.0.0"
+
+spdx-exceptions@^2.1.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/spdx-exceptions/-/spdx-exceptions-2.3.0.tgz#3f28ce1a77a00372683eade4a433183527a2163d"
+  integrity sha512-/tTrYOC7PPI1nUAgx34hUpqXuyJG+DTHJTnIULG4rDygi4xu/tfgmq1e1cIRwRzwZgo4NLySi+ricLkZkw4i5A==
+
+spdx-expression-parse@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/spdx-expression-parse/-/spdx-expression-parse-3.0.1.tgz#cf70f50482eefdc98e3ce0a6833e4a53ceeba679"
+  integrity sha512-cbqHunsQWnJNE6KhVSMsMeH5H/L9EpymbzqTQ3uLwNCLZ1Q481oWaofqH7nO6V07xlXwY6PhQdQ2IedWx/ZK4Q==
+  dependencies:
+    spdx-exceptions "^2.1.0"
+    spdx-license-ids "^3.0.0"
+
+spdx-license-ids@^3.0.0:
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-3.0.6.tgz#c80757383c28abf7296744998cbc106ae8b854ce"
+  integrity sha512-+orQK83kyMva3WyPf59k1+Y525csj5JejicWut55zeTWANuN17qSiSLUXWtzHeNWORSvT7GLDJ/E/XiIWoXBTw==
+
 split-string@^3.0.1, split-string@^3.0.2:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/split-string/-/split-string-3.1.0.tgz#7cb09dda3a86585705c64b39a6466038682e8fe2"
@@ -2909,6 +3479,11 @@ sprintf-js@~1.0.2:
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
   integrity sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=
 
+stack-trace@0.0.10:
+  version "0.0.10"
+  resolved "https://registry.yarnpkg.com/stack-trace/-/stack-trace-0.0.10.tgz#547c70b347e8d32b4e108ea1a2a159e5fdde19c0"
+  integrity sha1-VHxws0fo0ytOEI6hoqFZ5f3eGcA=
+
 static-extend@^0.1.1:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/static-extend/-/static-extend-0.1.2.tgz#60809c39cbff55337226fd5e0b520f341f1fb5c6"
@@ -2939,17 +3514,22 @@ stream-combiner@~0.0.4:
   dependencies:
     duplexer "~0.1.1"
 
-stream-consume@~0.1.0:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/stream-consume/-/stream-consume-0.1.1.tgz#d3bdb598c2bd0ae82b8cac7ac50b1107a7996c48"
-  integrity sha512-tNa3hzgkjEP7XbCkbRXe1jpg+ievoa0O4SCFlMOYEscGSS4JJsckGL8swUyAa/ApGU3Ae4t6Honor4HhL+tRyg==
+stream-exhaust@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/stream-exhaust/-/stream-exhaust-1.0.2.tgz#acdac8da59ef2bc1e17a2c0ccf6c320d120e555d"
+  integrity sha512-b/qaq/GlBK5xaq1yrK9/zFcyRSTNxmcZwFLGSTG0mXgZl/4Z6GgiyYOXOvY7N3eEvFRAG1bkDRz5EPGSvPYQlw==
+
+stream-shift@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/stream-shift/-/stream-shift-1.0.1.tgz#d7088281559ab2778424279b0877da3c392d5a3d"
+  integrity sha512-AiisoFqQ0vbGcZgQPY1cdP2I76glaVA/RauYR4G4thNFgkTqr90yXTo4LYX60Jl+sIlPNHHdGSwo01AvbKUSVQ==
 
 strict-uri-encode@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz#279b225df1d582b1f54e65addd4352e18faa0713"
   integrity sha1-J5siXfHVgrH1TmWt3UNS4Y+qBxM=
 
-string-width@^1.0.1:
+string-width@^1.0.1, string-width@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-1.0.2.tgz#118bdf5b8cdc51a2a7e70d211e07e2b0b9b107d3"
   integrity sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=
@@ -2966,6 +3546,22 @@ string-width@^1.0.1:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^4.0.0"
 
+string.prototype.trimend@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/string.prototype.trimend/-/string.prototype.trimend-1.0.1.tgz#85812a6b847ac002270f5808146064c995fb6913"
+  integrity sha512-LRPxFUaTtpqYsTeNKaFOw3R4bxIzWOnbQ837QfBylo8jIxtcbK/A/sMV7Q+OAV/vWo+7s25pOE10KYSjaSO06g==
+  dependencies:
+    define-properties "^1.1.3"
+    es-abstract "^1.17.5"
+
+string.prototype.trimstart@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/string.prototype.trimstart/-/string.prototype.trimstart-1.0.1.tgz#14af6d9f34b053f7cfc89b72f8f2ee14b9039a54"
+  integrity sha512-XxZn+QpvrBI1FOcg6dIpxUPgWCPuNXvMD72aaRaUQv1eD4e/Qy8i/hFTe0BUmD60p/QA6bh1avmuPTfNjqVWRw==
+  dependencies:
+    define-properties "^1.1.3"
+    es-abstract "^1.17.5"
+
 string_decoder@~0.10.x:
   version "0.10.31"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
@@ -2992,12 +3588,11 @@ strip-ansi@^4.0.0:
   dependencies:
     ansi-regex "^3.0.0"
 
-strip-bom@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-1.0.0.tgz#85b8862f3844b5a6d5ec8467a93598173a36f794"
-  integrity sha1-hbiGLzhEtabV7IRnqTWYFzo295Q=
+strip-bom@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-2.0.0.tgz#6219a85616520491f35788bdbf1447a99c7e6b0e"
+  integrity sha1-YhmoVhZSBJHzV4i9vxRHqZx+aw4=
   dependencies:
-    first-chunk-stream "^1.0.0"
     is-utf8 "^0.2.0"
 
 strip-bom@^3.0.0:
@@ -3027,6 +3622,14 @@ supports-color@^2.0.0:
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
   integrity sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=
 
+sver-compat@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/sver-compat/-/sver-compat-1.5.0.tgz#3cf87dfeb4d07b4a3f14827bc186b3fd0c645cd8"
+  integrity sha1-PPh9/rTQe0o/FIJ7wYaz/QxkXNg=
+  dependencies:
+    es6-iterator "^2.0.1"
+    es6-symbol "^3.1.1"
+
 table@^3.7.8:
   version "3.8.3"
   resolved "https://registry.yarnpkg.com/table/-/table-3.8.3.tgz#2bbc542f0fda9861a755d3947fefd8b3f513855f"
@@ -3062,15 +3665,15 @@ text-table@~0.2.0:
   resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"
   integrity sha1-f17oI66AUgfACvLfSoTsP8+lcLQ=
 
-through2@^0.6.1:
-  version "0.6.5"
-  resolved "https://registry.yarnpkg.com/through2/-/through2-0.6.5.tgz#41ab9c67b29d57209071410e1d7a7a968cd3ad48"
-  integrity sha1-QaucZ7KdVyCQcUEOHXp6lozTrUg=
+through2-filter@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/through2-filter/-/through2-filter-3.0.0.tgz#700e786df2367c2c88cd8aa5be4cf9c1e7831254"
+  integrity sha512-jaRjI2WxN3W1V8/FMZ9HKIBXixtiqs3SQSX4/YGIiP3gL6djW48VoZq9tDqeCWs3MT8YY5wb/zli8VW8snY1CA==
   dependencies:
-    readable-stream ">=1.0.33-1 <1.1.0-0"
-    xtend ">=4.0.0 <4.1.0-0"
+    through2 "~2.0.0"
+    xtend "~4.0.0"
 
-through2@^2.0.0:
+through2@^2.0.0, through2@^2.0.3, through2@~2.0.0:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/through2/-/through2-2.0.5.tgz#01c1e39eb31d07cb7d03a96a70823260b23132cd"
   integrity sha512-/mrRod8xqpA+IHSLyGCQ2s8SPHiCDEeQJSep1jqLYeEUClOFG2Qsh+4FU6G9VeqpZnGW/Su8LQGc4YKni5rYSQ==
@@ -3083,18 +3686,19 @@ through@2, through@^2.3.6, through@~2.3, through@~2.3.1:
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
   integrity sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=
 
-tildify@^1.0.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/tildify/-/tildify-1.2.0.tgz#dcec03f55dca9b7aa3e5b04f21817eb56e63588a"
-  integrity sha1-3OwD9V3Km3qj5bBPIYF+tW5jWIo=
-  dependencies:
-    os-homedir "^1.0.0"
-
 time-stamp@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/time-stamp/-/time-stamp-1.1.0.tgz#764a5a11af50561921b133f3b44e618687e0f5c3"
   integrity sha1-dkpaEa9QVhkhsTPztE5hhofg9cM=
 
+to-absolute-glob@^2.0.0:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/to-absolute-glob/-/to-absolute-glob-2.0.2.tgz#1865f43d9e74b0822db9f145b78cff7d0f7c849b"
+  integrity sha1-GGX0PZ50sIItufFFt4z/fQ98hJs=
+  dependencies:
+    is-absolute "^1.0.0"
+    is-negated-glob "^1.0.0"
+
 to-object-path@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/to-object-path/-/to-object-path-0.3.0.tgz#297588b7b0e7e0ac08e04e672f85c1f4999e17af"
@@ -3120,6 +3724,13 @@ to-regex@^3.0.1, to-regex@^3.0.2:
     regex-not "^1.0.2"
     safe-regex "^1.1.0"
 
+to-through@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/to-through/-/to-through-2.0.0.tgz#fc92adaba072647bc0b67d6b03664aa195093af6"
+  integrity sha1-/JKtq6ByZHvAtn1rA2ZKoZUJOvY=
+  dependencies:
+    through2 "^2.0.3"
+
 trim-repeated@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/trim-repeated/-/trim-repeated-1.0.0.tgz#e3646a2ea4e891312bf7eace6cfb05380bc01c21"
@@ -3161,6 +3772,27 @@ underscore@~1.8.3:
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.8.3.tgz#4f3fb53b106e6097fcf9cb4109f2a5e9bdfa5022"
   integrity sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI=
 
+undertaker-registry@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/undertaker-registry/-/undertaker-registry-1.0.1.tgz#5e4bda308e4a8a2ae584f9b9a4359a499825cc50"
+  integrity sha1-XkvaMI5KiirlhPm5pDWaSZglzFA=
+
+undertaker@^1.2.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/undertaker/-/undertaker-1.3.0.tgz#363a6e541f27954d5791d6fa3c1d321666f86d18"
+  integrity sha512-/RXwi5m/Mu3H6IHQGww3GNt1PNXlbeCuclF2QYR14L/2CHPz3DFZkvB5hZ0N/QUkiXWCACML2jXViIQEQc2MLg==
+  dependencies:
+    arr-flatten "^1.0.1"
+    arr-map "^2.0.0"
+    bach "^1.0.0"
+    collection-map "^1.0.0"
+    es6-weak-map "^2.0.1"
+    fast-levenshtein "^1.0.0"
+    last-run "^1.1.0"
+    object.defaults "^1.0.0"
+    object.reduce "^1.0.0"
+    undertaker-registry "^1.0.0"
+
 union-value@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/union-value/-/union-value-1.0.0.tgz#5c71c34cb5bad5dcebe3ea0cd08207ba5aa1aea4"
@@ -3171,10 +3803,13 @@ union-value@^1.0.0:
     is-extendable "^0.1.1"
     set-value "^0.4.3"
 
-unique-stream@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/unique-stream/-/unique-stream-1.0.0.tgz#d59a4a75427447d9aa6c91e70263f8d26a4b104b"
-  integrity sha1-1ZpKdUJ0R9mqbJHnAmP40mpLEEs=
+unique-stream@^2.0.2:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/unique-stream/-/unique-stream-2.3.1.tgz#c65d110e9a4adf9a6c5948b28053d9a8d04cbeac"
+  integrity sha512-2nY4TnBE70yoxHkDli7DMazpWiP7xMdCYqU2nBRO0UB+ZpEkGsSija7MvmvnZFUeC+mrgiUfcHSr3LmRFIg4+A==
+  dependencies:
+    json-stable-stringify-without-jsonify "^1.0.1"
+    through2-filter "^3.0.0"
 
 universalify@^0.1.0:
   version "0.1.2"
@@ -3214,11 +3849,6 @@ use@^3.1.0:
   resolved "https://registry.yarnpkg.com/use/-/use-3.1.1.tgz#d50c8cac79a19fbc20f2911f56eb973f4e10070f"
   integrity sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ==
 
-user-home@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/user-home/-/user-home-1.1.1.tgz#2b5be23a32b63a7c9deb8d0f28d485724a3df190"
-  integrity sha1-K1viOjK2Onyd640PKNSFcko98ZA=
-
 user-home@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/user-home/-/user-home-2.0.0.tgz#9c70bfd8169bc1dcbf48604e0f04b8b49cde9e9f"
@@ -3241,39 +3871,66 @@ uuid@^3.0.0:
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.3.2.tgz#1b4af4955eb3077c501c23872fc6513811587131"
   integrity sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==
 
-v8flags@^2.0.2:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-2.1.1.tgz#aab1a1fa30d45f88dd321148875ac02c0b55e5b4"
-  integrity sha1-qrGh+jDUX4jdMhFIh1rALAtV5bQ=
+v8flags@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-3.2.0.tgz#b243e3b4dfd731fa774e7492128109a0fe66d656"
+  integrity sha512-mH8etigqMfiGWdeXpaaqGfs6BndypxusHHcv2qSHyZkGEznCd/qAXCWWRzeowtL54147cktFOC4P5y+kl8d8Jg==
+  dependencies:
+    homedir-polyfill "^1.0.1"
+
+validate-npm-package-license@^3.0.1:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz#fc91f6b9c7ba15c857f4cb2c5defeec39d4f410a"
+  integrity sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==
   dependencies:
-    user-home "^1.1.1"
+    spdx-correct "^3.0.0"
+    spdx-expression-parse "^3.0.0"
+
+value-or-function@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/value-or-function/-/value-or-function-3.0.0.tgz#1c243a50b595c1be54a754bfece8563b9ff8d813"
+  integrity sha1-HCQ6ULWVwb5Up1S/7OhWO5/42BM=
 
 vary@^1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
   integrity sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=
 
-vinyl-fs@^0.3.0:
-  version "0.3.14"
-  resolved "https://registry.yarnpkg.com/vinyl-fs/-/vinyl-fs-0.3.14.tgz#9a6851ce1cac1c1cea5fe86c0931d620c2cfa9e6"
-  integrity sha1-mmhRzhysHBzqX+hsCTHWIMLPqeY=
-  dependencies:
-    defaults "^1.0.0"
-    glob-stream "^3.1.5"
-    glob-watcher "^0.0.6"
-    graceful-fs "^3.0.0"
-    mkdirp "^0.5.0"
-    strip-bom "^1.0.0"
-    through2 "^0.6.1"
-    vinyl "^0.4.0"
+vinyl-fs@^3.0.0:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/vinyl-fs/-/vinyl-fs-3.0.3.tgz#c85849405f67428feabbbd5c5dbdd64f47d31bc7"
+  integrity sha512-vIu34EkyNyJxmP0jscNzWBSygh7VWhqun6RmqVfXePrOwi9lhvRs//dOaGOTRUQr4tx7/zd26Tk5WeSVZitgng==
+  dependencies:
+    fs-mkdirp-stream "^1.0.0"
+    glob-stream "^6.1.0"
+    graceful-fs "^4.0.0"
+    is-valid-glob "^1.0.0"
+    lazystream "^1.0.0"
+    lead "^1.0.0"
+    object.assign "^4.0.4"
+    pumpify "^1.3.5"
+    readable-stream "^2.3.3"
+    remove-bom-buffer "^3.0.0"
+    remove-bom-stream "^1.2.0"
+    resolve-options "^1.1.0"
+    through2 "^2.0.0"
+    to-through "^2.0.0"
+    value-or-function "^3.0.0"
+    vinyl "^2.0.0"
+    vinyl-sourcemap "^1.1.0"
 
-vinyl@^0.4.0:
-  version "0.4.6"
-  resolved "https://registry.yarnpkg.com/vinyl/-/vinyl-0.4.6.tgz#2f356c87a550a255461f36bbeb2a5ba8bf784847"
-  integrity sha1-LzVsh6VQolVGHza76ypbqL94SEc=
+vinyl-sourcemap@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/vinyl-sourcemap/-/vinyl-sourcemap-1.1.0.tgz#92a800593a38703a8cdb11d8b300ad4be63b3e16"
+  integrity sha1-kqgAWTo4cDqM2xHYswCtS+Y7PhY=
   dependencies:
-    clone "^0.2.0"
-    clone-stats "^0.0.1"
+    append-buffer "^1.0.2"
+    convert-source-map "^1.5.0"
+    graceful-fs "^4.1.6"
+    normalize-path "^2.1.1"
+    now-and-later "^2.0.0"
+    remove-bom-buffer "^3.0.0"
+    vinyl "^2.0.0"
 
 vinyl@^0.5.0:
   version "0.5.3"
@@ -3284,6 +3941,18 @@ vinyl@^0.5.0:
     clone-stats "^0.0.1"
     replace-ext "0.0.1"
 
+vinyl@^2.0.0:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/vinyl/-/vinyl-2.2.1.tgz#23cfb8bbab5ece3803aa2c0a1eb28af7cbba1974"
+  integrity sha512-LII3bXRFBZLlezoG5FfZVcXflZgWP/4dCwKtxd5ky9+LOtM4CS3bIRQsmR1KMnMW07jpE8fqR2lcxPZ+8sJIcw==
+  dependencies:
+    clone "^2.1.1"
+    clone-buffer "^1.0.0"
+    clone-stats "^1.0.0"
+    cloneable-readable "^1.0.0"
+    remove-trailing-separator "^1.0.1"
+    replace-ext "^1.0.0"
+
 websocket-driver@>=0.5.1:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/websocket-driver/-/websocket-driver-0.7.0.tgz#0caf9d2d755d93aee049d4bdd0d3fe2cca2a24eb"
@@ -3297,6 +3966,11 @@ websocket-extensions@>=0.1.1:
   resolved "https://registry.yarnpkg.com/websocket-extensions/-/websocket-extensions-0.1.4.tgz#7f8473bc839dfd87608adb95d7eb075211578a42"
   integrity sha512-OqedPIGOfsDlo31UNwYbCFMSaO9m9G/0faIHj5/dZFDMFqPTcx6UwqyOy3COEaEOg/9VsGIpdqn62W5KhoKSpg==
 
+which-module@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"
+  integrity sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=
+
 which@^1.2.14:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/which/-/which-1.3.1.tgz#a45043d54f5805316da8d62f9f50918d3da70b0a"
@@ -3316,6 +3990,14 @@ wordwrap@~1.0.0:
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
   integrity sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=
 
+wrap-ansi@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
+  integrity sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=
+  dependencies:
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+
 wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
@@ -3333,12 +4015,49 @@ xmlcreate@^1.0.1:
   resolved "https://registry.yarnpkg.com/xmlcreate/-/xmlcreate-1.0.2.tgz#fa6bf762a60a413fb3dd8f4b03c5b269238d308f"
   integrity sha1-+mv3YqYKQT+z3Y9LA8WyaSONMI8=
 
-"xtend@>=4.0.0 <4.1.0-0", xtend@^4.0.0, xtend@~4.0.1:
+xtend@^4.0.0, xtend@~4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
   integrity sha1-pcbVMr5lbiPbgg77lDofBJmNY68=
 
+xtend@~4.0.0:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"
+  integrity sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==
+
+y18n@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
+  integrity sha1-bRX7qITAhnnA136I53WegR4H+kE=
+
 yallist@^3.0.0, yallist@^3.0.2:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.0.3.tgz#b4b049e314be545e3ce802236d6cd22cd91c3de9"
   integrity sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A==
+
+yargs-parser@5.0.0-security.0:
+  version "5.0.0-security.0"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-5.0.0-security.0.tgz#4ff7271d25f90ac15643b86076a2ab499ec9ee24"
+  integrity sha512-T69y4Ps64LNesYxeYGYPvfoMTt/7y1XtfpIslUeK4um+9Hu7hlGoRtaDLvdXb7+/tfq4opVa2HRY5xGip022rQ==
+  dependencies:
+    camelcase "^3.0.0"
+    object.assign "^4.1.0"
+
+yargs@^7.1.0:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-7.1.1.tgz#67f0ef52e228d4ee0d6311acede8850f53464df6"
+  integrity sha512-huO4Fr1f9PmiJJdll5kwoS2e4GqzGSsMT3PPMpOwoVkOK8ckqAewMTZyA6LXVQWflleb/Z8oPBEvNsMft0XE+g==
+  dependencies:
+    camelcase "^3.0.0"
+    cliui "^3.2.0"
+    decamelize "^1.1.1"
+    get-caller-file "^1.0.1"
+    os-locale "^1.4.0"
+    read-pkg-up "^1.0.1"
+    require-directory "^2.1.1"
+    require-main-filename "^1.0.1"
+    set-blocking "^2.0.0"
+    string-width "^1.0.2"
+    which-module "^1.0.0"
+    y18n "^3.2.1"
+    yargs-parser "5.0.0-security.0"

From 5a83422c41cffac1fcfde6f07c497f8e2ab2469c Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Thu, 29 Oct 2020 13:11:50 +0000
Subject: [PATCH 321/337] Bump lodash from 4.17.11 to 4.17.20

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.11 to 4.17.20.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](https://github.com/lodash/lodash/compare/4.17.11...4.17.20)

Signed-off-by: dependabot[bot] <support@github.com>
---
 package-lock.json | 6 +++---
 yarn.lock         | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 4025d25e..1bc2dde3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3491,9 +3491,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.11",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-      "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
+      "version": "4.17.20",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
+      "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==",
       "dev": true
     },
     "lodash._basecopy": {
diff --git a/yarn.lock b/yarn.lock
index a9b710ec..45595186 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2363,9 +2363,9 @@ lodash.templatesettings@^3.0.0:
     lodash.escape "^3.0.0"
 
 lodash@^4.0.0, lodash@^4.17.10, lodash@^4.3.0:
-  version "4.17.11"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
-  integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
+  version "4.17.20"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
+  integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
 
 make-iterator@^1.0.0:
   version "1.0.1"

From 9e074b1fa468650a38632b0f67d152c1cee24f74 Mon Sep 17 00:00:00 2001
From: mgechev <mgechev@gmail.com>
Date: Fri, 30 Oct 2020 14:44:43 +0200
Subject: [PATCH 322/337] Update the list of contributors

---
 readme.md | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/readme.md b/readme.md
index d1928f9e..e61af141 100644
--- a/readme.md
+++ b/readme.md
@@ -75,21 +75,21 @@ If the build is not successful, fix your code in order for the tests and jshint
 :---: |:---: |:---: |:---: |:---: |:---: |
 [deniskyashif](https://github.com/deniskyashif) |[brunohadlich](https://github.com/brunohadlich) |[designeng](https://github.com/designeng) |[Microfed](https://github.com/Microfed) |[Nirajkashyap](https://github.com/Nirajkashyap) |[pkerpedjiev](https://github.com/pkerpedjiev) |
 
-[<img alt="duffman85" src="https://avatars0.githubusercontent.com/u/15054422?v=4&s=117" width="117">](https://github.com/duffman85) |[<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="dependabot[bot]" src="https://avatars0.githubusercontent.com/in/29110?v=4&s=117" width="117">](https://github.com/apps/dependabot) |[<img alt="emyarod" src="https://avatars3.githubusercontent.com/u/8265238?v=4&s=117" width="117">](https://github.com/emyarod) |[<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) |[<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) |
+[<img alt="duffman85" src="https://avatars0.githubusercontent.com/u/15054422?v=4&s=117" width="117">](https://github.com/duffman85) |[<img alt="Xuefeng-Zhu" src="https://avatars0.githubusercontent.com/u/5875315?v=4&s=117" width="117">](https://github.com/Xuefeng-Zhu) |[<img alt="emyarod" src="https://avatars3.githubusercontent.com/u/8265238?v=4&s=117" width="117">](https://github.com/emyarod) |[<img alt="alexjoverm" src="https://avatars3.githubusercontent.com/u/5701162?v=4&s=117" width="117">](https://github.com/alexjoverm) |[<img alt="amilajack" src="https://avatars1.githubusercontent.com/u/6374832?v=4&s=117" width="117">](https://github.com/amilajack) |[<img alt="BorislavBorisov22" src="https://avatars2.githubusercontent.com/u/20156662?v=4&s=117" width="117">](https://github.com/BorislavBorisov22) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[duffman85](https://github.com/duffman85) |[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[dependabot[bot]](https://github.com/apps/dependabot) |[emyarod](https://github.com/emyarod) |[alexjoverm](https://github.com/alexjoverm) |[amilajack](https://github.com/amilajack) |
+[duffman85](https://github.com/duffman85) |[Xuefeng-Zhu](https://github.com/Xuefeng-Zhu) |[emyarod](https://github.com/emyarod) |[alexjoverm](https://github.com/alexjoverm) |[amilajack](https://github.com/amilajack) |[BorislavBorisov22](https://github.com/BorislavBorisov22) |
 
-[<img alt="BorislavBorisov22" src="https://avatars2.githubusercontent.com/u/20156662?v=4&s=117" width="117">](https://github.com/BorislavBorisov22) |[<img alt="brunob15" src="https://avatars2.githubusercontent.com/u/5839627?v=4&s=117" width="117">](https://github.com/brunob15) |[<img alt="BryanChan777" src="https://avatars0.githubusercontent.com/u/43082778?v=4&s=117" width="117">](https://github.com/BryanChan777) |[<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) |[<img alt="jurassix" src="https://avatars3.githubusercontent.com/u/1869117?v=4&s=117" width="117">](https://github.com/jurassix) |[<img alt="fisenkodv" src="https://avatars0.githubusercontent.com/u/1039447?v=4&s=117" width="117">](https://github.com/fisenkodv) |
+[<img alt="brunob15" src="https://avatars2.githubusercontent.com/u/5839627?v=4&s=117" width="117">](https://github.com/brunob15) |[<img alt="BryanChan777" src="https://avatars0.githubusercontent.com/u/43082778?v=4&s=117" width="117">](https://github.com/BryanChan777) |[<img alt="ysharplanguage" src="https://avatars0.githubusercontent.com/u/1055314?v=4&s=117" width="117">](https://github.com/ysharplanguage) |[<img alt="jurassix" src="https://avatars3.githubusercontent.com/u/1869117?v=4&s=117" width="117">](https://github.com/jurassix) |[<img alt="fisenkodv" src="https://avatars0.githubusercontent.com/u/1039447?v=4&s=117" width="117">](https://github.com/fisenkodv) |[<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[BorislavBorisov22](https://github.com/BorislavBorisov22) |[brunob15](https://github.com/brunob15) |[BryanChan777](https://github.com/BryanChan777) |[ysharplanguage](https://github.com/ysharplanguage) |[jurassix](https://github.com/jurassix) |[fisenkodv](https://github.com/fisenkodv) |
+[brunob15](https://github.com/brunob15) |[BryanChan777](https://github.com/BryanChan777) |[ysharplanguage](https://github.com/ysharplanguage) |[jurassix](https://github.com/jurassix) |[fisenkodv](https://github.com/fisenkodv) |[contra](https://github.com/contra) |
 
-[<img alt="contra" src="https://avatars0.githubusercontent.com/u/425716?v=4&s=117" width="117">](https://github.com/contra) |[<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) |[<img alt="marrcelo" src="https://avatars3.githubusercontent.com/u/18054556?v=4&s=117" width="117">](https://github.com/marrcelo) |[<img alt="wnvko" src="https://avatars3.githubusercontent.com/u/5990334?v=4&s=117" width="117">](https://github.com/wnvko) |[<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) |[<img alt="xiedezhuo" src="https://avatars3.githubusercontent.com/u/39017209?v=4&s=117" width="117">](https://github.com/xiedezhuo) |
+[<img alt="liesislukas" src="https://avatars3.githubusercontent.com/u/2733862?v=4&s=117" width="117">](https://github.com/liesislukas) |[<img alt="marrcelo" src="https://avatars3.githubusercontent.com/u/18054556?v=4&s=117" width="117">](https://github.com/marrcelo) |[<img alt="wnvko" src="https://avatars3.githubusercontent.com/u/5990334?v=4&s=117" width="117">](https://github.com/wnvko) |[<img alt="millerrach" src="https://avatars2.githubusercontent.com/u/12432794?v=4&s=117" width="117">](https://github.com/millerrach) |[<img alt="xiedezhuo" src="https://avatars3.githubusercontent.com/u/39017209?v=4&s=117" width="117">](https://github.com/xiedezhuo) |[<img alt="DengYiping" src="https://avatars0.githubusercontent.com/u/12176046?v=4&s=117" width="117">](https://github.com/DengYiping) |
 :---: |:---: |:---: |:---: |:---: |:---: |
-[contra](https://github.com/contra) |[liesislukas](https://github.com/liesislukas) |[marrcelo](https://github.com/marrcelo) |[wnvko](https://github.com/wnvko) |[millerrach](https://github.com/millerrach) |[xiedezhuo](https://github.com/xiedezhuo) |
+[liesislukas](https://github.com/liesislukas) |[marrcelo](https://github.com/marrcelo) |[wnvko](https://github.com/wnvko) |[millerrach](https://github.com/millerrach) |[xiedezhuo](https://github.com/xiedezhuo) |[DengYiping](https://github.com/DengYiping) |
 
-[<img alt="DengYiping" src="https://avatars0.githubusercontent.com/u/12176046?v=4&s=117" width="117">](https://github.com/DengYiping) |[<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) |[<img alt="miyes90" src="https://avatars1.githubusercontent.com/u/6756730?v=4&s=117" width="117">](https://github.com/miyes90) |[<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |
-:---: |:---: |:---: |:---: |
-[DengYiping](https://github.com/DengYiping) |[fanixk](https://github.com/fanixk) |[miyes90](https://github.com/miyes90) |[shaunak1111](https://github.com/shaunak1111) |
+[<img alt="fanixk" src="https://avatars2.githubusercontent.com/u/921156?v=4&s=117" width="117">](https://github.com/fanixk) |[<img alt="wlx199x" src="https://avatars1.githubusercontent.com/u/6756730?v=4&s=117" width="117">](https://github.com/wlx199x) |[<img alt="shaunak1111" src="https://avatars3.githubusercontent.com/u/1323960?v=4&s=117" width="117">](https://github.com/shaunak1111) |
+:---: |:---: |:---: |
+[fanixk](https://github.com/fanixk) |[wlx199x](https://github.com/wlx199x) |[shaunak1111](https://github.com/shaunak1111) |
 
 ## License
 

From 2bb8d32cd5fb26a3465c67b6982bedb5989cedc9 Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Fri, 11 Dec 2020 03:35:34 +0000
Subject: [PATCH 323/337] Bump ini from 1.3.5 to 1.3.7

Bumps [ini](https://github.com/isaacs/ini) from 1.3.5 to 1.3.7.
- [Release notes](https://github.com/isaacs/ini/releases)
- [Commits](https://github.com/isaacs/ini/compare/v1.3.5...v1.3.7)

Signed-off-by: dependabot[bot] <support@github.com>
---
 package-lock.json | 12 +++---------
 yarn.lock         |  6 +++---
 2 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 1bc2dde3..d13a486b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2068,12 +2068,6 @@
           "dev": true,
           "optional": true
         },
-        "ini": {
-          "version": "1.3.5",
-          "bundled": true,
-          "dev": true,
-          "optional": true
-        },
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
@@ -2889,9 +2883,9 @@
       "dev": true
     },
     "ini": {
-      "version": "1.3.5",
-      "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.5.tgz",
-      "integrity": "sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw==",
+      "version": "1.3.7",
+      "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.7.tgz",
+      "integrity": "sha512-iKpRpXP+CrP2jyrxvg1kMUpXDyRUFDWurxbnVT1vQPx+Wz9uCYsMIqYuSBLV+PAaZG/d7kRLKRFc9oDMsH+mFQ==",
       "dev": true
     },
     "inquirer": {
diff --git a/yarn.lock b/yarn.lock
index 45595186..0f7657aa 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1753,9 +1753,9 @@ inherits@^2.0.1:
   integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
 
 ini@^1.3.4, ini@~1.3.0:
-  version "1.3.5"
-  resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
-  integrity sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw==
+  version "1.3.7"
+  resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.7.tgz#a09363e1911972ea16d7a8851005d84cf09a9a84"
+  integrity sha512-iKpRpXP+CrP2jyrxvg1kMUpXDyRUFDWurxbnVT1vQPx+Wz9uCYsMIqYuSBLV+PAaZG/d7kRLKRFc9oDMsH+mFQ==
 
 inquirer@^0.12.0:
   version "0.12.0"

From c5d7fb844aa4fc0fba7ed26b719ef2f79017cd11 Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Tue, 11 May 2021 22:47:18 +0000
Subject: [PATCH 324/337] Bump hosted-git-info from 2.8.8 to 2.8.9

Bumps [hosted-git-info](https://github.com/npm/hosted-git-info) from 2.8.8 to 2.8.9.
- [Release notes](https://github.com/npm/hosted-git-info/releases)
- [Changelog](https://github.com/npm/hosted-git-info/blob/v2.8.9/CHANGELOG.md)
- [Commits](https://github.com/npm/hosted-git-info/compare/v2.8.8...v2.8.9)

Signed-off-by: dependabot[bot] <support@github.com>
---
 package-lock.json | 6 +++---
 yarn.lock         | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index d13a486b..2c787499 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2799,9 +2799,9 @@
       }
     },
     "hosted-git-info": {
-      "version": "2.8.8",
-      "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.8.8.tgz",
-      "integrity": "sha512-f/wzC2QaWBs7t9IYqB4T3sR1xviIViXJRJTWBlx2Gf3g0Xi5vI7Yy4koXQ1c9OYDGHN9sBy1DQ2AB8fqZBWhUg==",
+      "version": "2.8.9",
+      "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.8.9.tgz",
+      "integrity": "sha512-mxIDAb9Lsm6DoOJ7xH+5+X4y1LU/4Hi50L9C5sIswK3JzULS4bwk1FvjdBgvYR4bzT4tuUQiC15FE2f5HbLvYw==",
       "dev": true
     },
     "http-auth": {
diff --git a/yarn.lock b/yarn.lock
index 0f7657aa..840aae35 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1666,9 +1666,9 @@ homedir-polyfill@^1.0.1:
     parse-passwd "^1.0.0"
 
 hosted-git-info@^2.1.4:
-  version "2.8.8"
-  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.8.tgz#7539bd4bc1e0e0a895815a2e0262420b12858488"
-  integrity sha512-f/wzC2QaWBs7t9IYqB4T3sR1xviIViXJRJTWBlx2Gf3g0Xi5vI7Yy4koXQ1c9OYDGHN9sBy1DQ2AB8fqZBWhUg==
+  version "2.8.9"
+  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.9.tgz#dffc0bf9a21c02209090f2aa69429e1414daf3f9"
+  integrity sha512-mxIDAb9Lsm6DoOJ7xH+5+X4y1LU/4Hi50L9C5sIswK3JzULS4bwk1FvjdBgvYR4bzT4tuUQiC15FE2f5HbLvYw==
 
 http-auth@3.1.x:
   version "3.1.3"

From ed3122501e53eb50933a6d14c127e0744cad77a3 Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Sat, 8 May 2021 10:27:48 +0000
Subject: [PATCH 325/337] Bump lodash from 4.17.20 to 4.17.21

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.20 to 4.17.21.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](https://github.com/lodash/lodash/compare/4.17.20...4.17.21)

Signed-off-by: dependabot[bot] <support@github.com>
---
 package-lock.json | 6 +++---
 yarn.lock         | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 2c787499..021a6018 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3485,9 +3485,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.20",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
-      "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==",
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
       "dev": true
     },
     "lodash._basecopy": {
diff --git a/yarn.lock b/yarn.lock
index 840aae35..3cf75757 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2363,9 +2363,9 @@ lodash.templatesettings@^3.0.0:
     lodash.escape "^3.0.0"
 
 lodash@^4.0.0, lodash@^4.17.10, lodash@^4.3.0:
-  version "4.17.20"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
-  integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 make-iterator@^1.0.0:
   version "1.0.1"

From 396d83c6496ccd5f9e2a4a4d7e6b331014df6ab5 Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Wed, 31 Mar 2021 17:28:17 +0000
Subject: [PATCH 326/337] Bump y18n from 3.2.1 to 3.2.2

Bumps [y18n](https://github.com/yargs/y18n) from 3.2.1 to 3.2.2.
- [Release notes](https://github.com/yargs/y18n/releases)
- [Changelog](https://github.com/yargs/y18n/blob/master/CHANGELOG.md)
- [Commits](https://github.com/yargs/y18n/commits)

Signed-off-by: dependabot[bot] <support@github.com>
---
 package-lock.json | 6 +++---
 yarn.lock         | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 021a6018..bf84e08e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5815,9 +5815,9 @@
       "dev": true
     },
     "y18n": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
-      "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.2.tgz",
+      "integrity": "sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ==",
       "dev": true
     },
     "yargs": {
diff --git a/yarn.lock b/yarn.lock
index 3cf75757..16e41e1a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4026,9 +4026,9 @@ xtend@~4.0.0:
   integrity sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==
 
 y18n@^3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
-  integrity sha1-bRX7qITAhnnA136I53WegR4H+kE=
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.2.tgz#85c901bd6470ce71fc4bb723ad209b70f7f28696"
+  integrity sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ==
 
 yallist@^3.0.0, yallist@^3.0.2:
   version "3.0.3"

From bfc1287428c6d79b57911cea1c365f2117f4108f Mon Sep 17 00:00:00 2001
From: Bernhard Fritz <bernhard.e.fritz@gmail.com>
Date: Sat, 9 Oct 2021 13:58:26 +0200
Subject: [PATCH 327/337] add bezier curve algorithm

---
 src/graphics/bezier.js       | 19 +++++++++++++
 test/graphics/bezier.spec.js | 54 ++++++++++++++++++++++++++++++++++++
 2 files changed, 73 insertions(+)
 create mode 100644 src/graphics/bezier.js
 create mode 100644 test/graphics/bezier.spec.js

diff --git a/src/graphics/bezier.js b/src/graphics/bezier.js
new file mode 100644
index 00000000..1e0ccf80
--- /dev/null
+++ b/src/graphics/bezier.js
@@ -0,0 +1,19 @@
+(function (exports) {
+  'use strict';
+
+  function linearBezier(p0, p1, t) {
+    return p0 + t * (p1 - p0);
+  }
+
+  function quadraticBezier(p0, p1, p2, t) {
+    return linearBezier(linearBezier(p0, p1, t), linearBezier(p1, p2, t), t);
+  }
+
+  function cubicBezier(p0, p1, p2, p3, t) {
+    return linearBezier(quadraticBezier(p0, p1, p2, t), quadraticBezier(p1, p2, p3, t), t);
+  }
+
+  exports.linearBezier = linearBezier;
+  exports.quadraticBezier = quadraticBezier;
+  exports.cubicBezier = cubicBezier;
+})(typeof exports === 'undefined' ? window : exports);
diff --git a/test/graphics/bezier.spec.js b/test/graphics/bezier.spec.js
new file mode 100644
index 00000000..56f83ff2
--- /dev/null
+++ b/test/graphics/bezier.spec.js
@@ -0,0 +1,54 @@
+var bezier = require('../../src/graphics/bezier');
+var linearBezier = bezier.linearBezier;
+var quadraticBezier = bezier.quadraticBezier;
+var cubicBezier = bezier.cubicBezier;
+
+// see https://www.geogebra.org/m/ek7RHvuc for graphical representation of test values
+
+describe('linearBezier', function () {
+  'use strict';
+
+  it('should return 0.5 for p0=0 p1=1 t=0.5', function () {
+    expect(linearBezier(0, 1, 0.5)).toEqual(0.5);
+  });
+
+  it('should return -2.8 for p0=-4.67 p1=-0.7 t=0.47', function () {
+    expect(linearBezier(-4.67, -0.7, 0.47)).toBeCloseTo(-2.8, 1);
+  });
+
+  it('should return 2.67 for p0=-0.6 p1=6.33 t=0.47', function () {
+    expect(linearBezier(-0.6, 6.33, 0.47)).toBeCloseTo(2.67, 1);
+  });
+});
+
+describe('quadraticBezier', function () {
+  'use strict';
+
+  it('should return 1 for p0=0 p1=1 p2=2 t=0.5', function () {
+    expect(quadraticBezier(0, 1, 2, 0.5)).toEqual(1);
+  });
+
+  it('should return 7.15 for p0=2.33 p1=8.23 p2=10.77 t=0.47', function () {
+    expect(quadraticBezier(2.33, 8.23, 10.77, 0.47)).toBeCloseTo(7.15, 1);
+  });
+
+  it('should return 6.84 for p0=4.67 p1=8.93 p2=4.9 t=0.47', function () {
+    expect(quadraticBezier(4.67, 8.93, 4.9, 0.47)).toBeCloseTo(6.84, 1);
+  });
+});
+
+describe('cubicBezier', function () {
+  'use strict';
+
+  it('should return 1.5 for p0=0 p1=1 p2=2 p3=3 t=0.5', function () {
+    expect(cubicBezier(0, 1, 2, 3, 0.5)).toEqual(1.5);
+  });
+
+  it('should return 9.78 for p0=2.4 p1=1.33 p2=19.87 p3=18.13 t=0.47', function () {
+    expect(cubicBezier(2.4, 1.33, 19.87, 18.13, 0.47)).toBeCloseTo(9.78, 1);
+  });
+
+  it('should return -4.87 for p0=-7.03 p1=-1.4 p2=-10.63 p3=4.5 t=0.47', function () {
+    expect(cubicBezier(-7.03, -1.4, -10.63, 4.5, 0.47)).toBeCloseTo(-4.87, 1);
+  });
+});

From 43250c73aa781f50335137d168278ba67bdf3150 Mon Sep 17 00:00:00 2001
From: Syed Fasiuddin <syedfasiuddin.02@gmail.com>
Date: Wed, 13 Oct 2021 12:05:35 +0530
Subject: [PATCH 328/337] added linear search algorithm

---
 src/searching/linearSearch.js       | 24 ++++++++++++++++++++++++
 test/searching/linearSearch.spec.js | 28 ++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+)
 create mode 100644 src/searching/linearSearch.js
 create mode 100644 test/searching/linearSearch.spec.js

diff --git a/src/searching/linearSearch.js b/src/searching/linearSearch.js
new file mode 100644
index 00000000..7338a82f
--- /dev/null
+++ b/src/searching/linearSearch.js
@@ -0,0 +1,24 @@
+(function (exports) {
+    'use strict';
+
+    /**
+     * Searches for specific element in a given array
+     * using the linear search algorithm
+     * Time complexity: O(n)
+     * 
+     * @param {Array} array Input array
+     * @param {Number} key the number whose index is to be found
+     * @returns {Number} the index of the first instance of number or else -1 if not found
+     */
+
+    const linearSearch = (array, key) => {
+        for (let i = 0; i < array.length; i++) {
+            if (array[i] == key) {
+                return i;
+            }
+        }
+        return -1;
+    }
+
+    exports.linearSearch = linearSearch;
+})(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file
diff --git a/test/searching/linearSearch.spec.js b/test/searching/linearSearch.spec.js
new file mode 100644
index 00000000..6540bf5a
--- /dev/null
+++ b/test/searching/linearSearch.spec.js
@@ -0,0 +1,28 @@
+var linearSearch =
+  require('../../src/searching/linearSearch').linearSearch;
+
+describe('Linear Search', function () {
+  'use strict';
+
+  it('should find the element at position 0 ', function () {
+    expect(linearSearch([1, 2, 3, 4, 6, 8], 1)).toBe(0);
+  });
+
+  it('should find the element in position arr.length - 1', function () {
+    var arr = [1, 2, 3, 4, 6, 8];
+    expect(linearSearch(arr, 8)).toBe(arr.length - 1);
+  });
+
+  it('should work with arrays with 2 elements', function () {
+    expect(linearSearch([1, 8], 1)).toBe(0);
+    expect(linearSearch([1, 8], 8)).toBe(1);
+  });
+
+  it('should return a negative number for missing elements', function () {
+    expect(linearSearch([1, 2, 3], 4)).toBeLessThan(0);
+  });
+
+  it('should work with empty arrays', function () {
+    expect(linearSearch([], 4)).toBe(-1);
+  });
+});

From 531260498496640b136070cee7ba3229697f6a30 Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Wed, 1 Sep 2021 02:32:21 +0000
Subject: [PATCH 329/337] Bump tar from 4.4.8 to 4.4.19

Bumps [tar](https://github.com/npm/node-tar) from 4.4.8 to 4.4.19.
- [Release notes](https://github.com/npm/node-tar/releases)
- [Changelog](https://github.com/npm/node-tar/blob/main/CHANGELOG.md)
- [Commits](https://github.com/npm/node-tar/compare/v4.4.8...v4.4.19)

---
updated-dependencies:
- dependency-name: tar
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
---
 package-lock.json | 113 ++++++++++++++++++++++++++++++++++++----------
 yarn.lock         |  90 ++++++++++++++++++------------------
 2 files changed, 133 insertions(+), 70 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index bf84e08e..adf0c920 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -661,6 +661,13 @@
         }
       }
     },
+    "chownr": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
+      "integrity": "sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==",
+      "dev": true,
+      "optional": true
+    },
     "circular-json": {
       "version": "0.3.3",
       "resolved": "https://registry.npmjs.org/circular-json/-/circular-json-0.3.3.tgz",
@@ -1855,6 +1862,16 @@
         "universalify": "^0.1.0"
       }
     },
+    "fs-minipass": {
+      "version": "1.2.7",
+      "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-1.2.7.tgz",
+      "integrity": "sha512-GWSSJGFy4e9GUeCcbIkED+bgAoFyj7XF1mV8rma3QW4NIqX9Kyx79N/PF61H5udOV3aY1IaMLs6pGbH71nlCTA==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "minipass": "^2.6.0"
+      }
+    },
     "fs-mkdirp-stream": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs-mkdirp-stream/-/fs-mkdirp-stream-1.0.0.tgz",
@@ -1928,9 +1945,7 @@
         },
         "chownr": {
           "version": "1.1.1",
-          "bundled": true,
-          "dev": true,
-          "optional": true
+          "bundled": true
         },
         "code-point-at": {
           "version": "1.1.0",
@@ -1986,8 +2001,6 @@
         "fs-minipass": {
           "version": "1.2.5",
           "bundled": true,
-          "dev": true,
-          "optional": true,
           "requires": {
             "minipass": "^2.2.1"
           }
@@ -2101,7 +2114,6 @@
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
-          "dev": true,
           "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
@@ -2111,8 +2123,6 @@
         "minizlib": {
           "version": "1.2.1",
           "bundled": true,
-          "dev": true,
-          "optional": true,
           "requires": {
             "minipass": "^2.2.1"
           }
@@ -2301,7 +2311,6 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true,
           "optional": true
         },
         "safer-buffer": {
@@ -2369,21 +2378,6 @@
           "dev": true,
           "optional": true
         },
-        "tar": {
-          "version": "4.4.8",
-          "bundled": true,
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "chownr": "^1.1.1",
-            "fs-minipass": "^1.2.5",
-            "minipass": "^2.3.4",
-            "minizlib": "^1.1.1",
-            "mkdirp": "^0.5.0",
-            "safe-buffer": "^5.1.2",
-            "yallist": "^3.0.2"
-          }
-        },
         "util-deprecate": {
           "version": "1.0.2",
           "bundled": true,
@@ -2408,7 +2402,6 @@
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true,
           "optional": true
         }
       }
@@ -3728,6 +3721,27 @@
       "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
       "dev": true
     },
+    "minipass": {
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.9.0.tgz",
+      "integrity": "sha512-wxfUjg9WebH+CUDX/CdbRlh5SmfZiy/hpkxaRI16Y9W56Pa75sWgd/rvFilSgrauD9NyFymP/+JFV3KwzIsJeg==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "safe-buffer": "^5.1.2",
+        "yallist": "^3.0.0"
+      }
+    },
+    "minizlib": {
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-1.3.3.tgz",
+      "integrity": "sha512-6ZYMOEnmVsdCeTJVE0W9ZD+pVnE8h9Hma/iOwwRDsdQoePpoX56/8B6z3P9VNwppJuBKNRuFDRNRqRWexT9G9Q==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "minipass": "^2.9.0"
+      }
+    },
     "mixin-deep": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/mixin-deep/-/mixin-deep-1.3.2.tgz",
@@ -5217,6 +5231,48 @@
       "integrity": "sha1-fLy2S1oUG2ou/CxdLGe04VCyomg=",
       "dev": true
     },
+    "tar": {
+      "version": "4.4.19",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.19.tgz",
+      "integrity": "sha512-a20gEsvHnWe0ygBY8JbxoM4w3SJdhc7ZAuxkLqh+nvNQN2IOt0B5lLgM490X5Hl8FF0dl0tOf2ewFYAlIFgzVA==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "chownr": "^1.1.4",
+        "fs-minipass": "^1.2.7",
+        "minipass": "^2.9.0",
+        "minizlib": "^1.3.3",
+        "mkdirp": "^0.5.5",
+        "safe-buffer": "^5.2.1",
+        "yallist": "^3.1.1"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
+          "dev": true,
+          "optional": true
+        },
+        "mkdirp": {
+          "version": "0.5.5",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
+          "integrity": "sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "minimist": "^1.2.5"
+          }
+        },
+        "safe-buffer": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+          "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
+          "dev": true,
+          "optional": true
+        }
+      }
+    },
     "text-table": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
@@ -5820,6 +5876,13 @@
       "integrity": "sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ==",
       "dev": true
     },
+    "yallist": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+      "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==",
+      "dev": true,
+      "optional": true
+    },
     "yargs": {
       "version": "7.1.1",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-7.1.1.tgz",
diff --git a/yarn.lock b/yarn.lock
index 16e41e1a..ed2c2195 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -478,10 +478,10 @@ chokidar@^2.0.4:
   optionalDependencies:
     fsevents "^1.2.7"
 
-chownr@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.1.tgz#54726b8b8fff4df053c42187e801fb4412df1494"
-  integrity sha512-j38EvO5+LHX84jlo6h4UzmOwi0UgW61WRyPtJz4qaadK5eY3BTS5TY/S1Stc3Uk2lIM6TPevAlULiEJwie860g==
+chownr@^1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.4.tgz#6fc9d7b42d32a583596337666e7d08084da2cc6b"
+  integrity sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==
 
 circular-json@^0.3.1:
   version "0.3.3"
@@ -1308,12 +1308,12 @@ fs-extra@^5.0.0:
     jsonfile "^4.0.0"
     universalify "^0.1.0"
 
-fs-minipass@^1.2.5:
-  version "1.2.5"
-  resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.5.tgz#06c277218454ec288df77ada54a03b8702aacb9d"
-  integrity sha512-JhBl0skXjUPCFH7x6x61gQxrKyXsxB5gcgePLZCwfyCGGsTISMoIeObbrvVeP6Xmyaudw4TT43qV2Gz+iyd2oQ==
+fs-minipass@^1.2.7:
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.7.tgz#ccff8570841e7fe4265693da88936c55aed7f7c7"
+  integrity sha512-GWSSJGFy4e9GUeCcbIkED+bgAoFyj7XF1mV8rma3QW4NIqX9Kyx79N/PF61H5udOV3aY1IaMLs6pGbH71nlCTA==
   dependencies:
-    minipass "^2.2.1"
+    minipass "^2.6.0"
 
 fs-mkdirp-stream@^1.0.0:
   version "1.0.0"
@@ -2449,30 +2449,30 @@ minimatch@^3.0.4:
   dependencies:
     brace-expansion "^1.1.7"
 
-minimist@0.0.8:
-  version "0.0.8"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
-  integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
-
 minimist@^1.1.0, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
   integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
 
-minipass@^2.2.1, minipass@^2.3.4:
-  version "2.3.5"
-  resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.3.5.tgz#cacebe492022497f656b0f0f51e2682a9ed2d848"
-  integrity sha512-Gi1W4k059gyRbyVUZQ4mEqLm0YIUiGYfvxhF6SIlk3ui1WVxMTGfGdQ2SInh3PDrRTVvPKgULkpJtT4RH10+VA==
+minimist@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+  integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
+
+minipass@^2.6.0, minipass@^2.9.0:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.9.0.tgz#e713762e7d3e32fed803115cf93e04bca9fcc9a6"
+  integrity sha512-wxfUjg9WebH+CUDX/CdbRlh5SmfZiy/hpkxaRI16Y9W56Pa75sWgd/rvFilSgrauD9NyFymP/+JFV3KwzIsJeg==
   dependencies:
     safe-buffer "^5.1.2"
     yallist "^3.0.0"
 
-minizlib@^1.1.1:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.2.1.tgz#dd27ea6136243c7c880684e8672bb3a45fd9b614"
-  integrity sha512-7+4oTUOWKg7AuL3vloEWekXY2/D20cevzsrNT2kGWm+39J9hGTCBv8VI5Pm5lXZ/o3/mdR4f8rflAPhnQb8mPA==
+minizlib@^1.3.3:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.3.3.tgz#2290de96818a34c29551c8a8d301216bd65a861d"
+  integrity sha512-6ZYMOEnmVsdCeTJVE0W9ZD+pVnE8h9Hma/iOwwRDsdQoePpoX56/8B6z3P9VNwppJuBKNRuFDRNRqRWexT9G9Q==
   dependencies:
-    minipass "^2.2.1"
+    minipass "^2.9.0"
 
 mixin-deep@^1.2.0:
   version "1.3.2"
@@ -2482,12 +2482,12 @@ mixin-deep@^1.2.0:
     for-in "^1.0.2"
     is-extendable "^1.0.1"
 
-mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.1:
-  version "0.5.1"
-  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
-  integrity sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=
+mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@^0.5.5, mkdirp@~0.5.1:
+  version "0.5.5"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
+  integrity sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==
   dependencies:
-    minimist "0.0.8"
+    minimist "^1.2.5"
 
 morgan@^1.9.1:
   version "1.9.1"
@@ -3246,12 +3246,12 @@ rx-lite@^3.1.2:
   resolved "https://registry.yarnpkg.com/rx-lite/-/rx-lite-3.1.2.tgz#19ce502ca572665f3b647b10939f97fd1615f102"
   integrity sha1-Gc5QLKVyZl87ZHsQk5+X/RYV8QI=
 
-safe-buffer@5.1.2, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+safe-buffer@5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
 
-safe-buffer@^5.1.0:
+safe-buffer@^5.1.0, safe-buffer@^5.1.2, safe-buffer@^5.2.1:
   version "5.2.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
   integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
@@ -3648,17 +3648,17 @@ taffydb@2.6.2:
   integrity sha1-fLy2S1oUG2ou/CxdLGe04VCyomg=
 
 tar@^4:
-  version "4.4.8"
-  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.8.tgz#b19eec3fde2a96e64666df9fdb40c5ca1bc3747d"
-  integrity sha512-LzHF64s5chPQQS0IYBn9IN5h3i98c12bo4NCO7e0sGM2llXQ3p2FGC5sdENN4cTW48O915Sh+x+EXx7XW96xYQ==
-  dependencies:
-    chownr "^1.1.1"
-    fs-minipass "^1.2.5"
-    minipass "^2.3.4"
-    minizlib "^1.1.1"
-    mkdirp "^0.5.0"
-    safe-buffer "^5.1.2"
-    yallist "^3.0.2"
+  version "4.4.19"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.19.tgz#2e4d7263df26f2b914dee10c825ab132123742f3"
+  integrity sha512-a20gEsvHnWe0ygBY8JbxoM4w3SJdhc7ZAuxkLqh+nvNQN2IOt0B5lLgM490X5Hl8FF0dl0tOf2ewFYAlIFgzVA==
+  dependencies:
+    chownr "^1.1.4"
+    fs-minipass "^1.2.7"
+    minipass "^2.9.0"
+    minizlib "^1.3.3"
+    mkdirp "^0.5.5"
+    safe-buffer "^5.2.1"
+    yallist "^3.1.1"
 
 text-table@~0.2.0:
   version "0.2.0"
@@ -4030,10 +4030,10 @@ y18n@^3.2.1:
   resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.2.tgz#85c901bd6470ce71fc4bb723ad209b70f7f28696"
   integrity sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ==
 
-yallist@^3.0.0, yallist@^3.0.2:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.0.3.tgz#b4b049e314be545e3ce802236d6cd22cd91c3de9"
-  integrity sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A==
+yallist@^3.0.0, yallist@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.1.1.tgz#dbb7daf9bfd8bac9ab45ebf602b8cbad0d5d08fd"
+  integrity sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==
 
 yargs-parser@5.0.0-security.0:
   version "5.0.0-security.0"

From f3e1607a2372e78619834034bad6bf7749d7280f Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Tue, 10 Aug 2021 22:50:43 +0000
Subject: [PATCH 330/337] Bump path-parse from 1.0.6 to 1.0.7

Bumps [path-parse](https://github.com/jbgutierrez/path-parse) from 1.0.6 to 1.0.7.
- [Release notes](https://github.com/jbgutierrez/path-parse/releases)
- [Commits](https://github.com/jbgutierrez/path-parse/commits/v1.0.7)

---
updated-dependencies:
- dependency-name: path-parse
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
---
 package-lock.json | 6 +++---
 yarn.lock         | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index adf0c920..ff260f12 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4201,9 +4201,9 @@
       "dev": true
     },
     "path-parse": {
-      "version": "1.0.6",
-      "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.6.tgz",
-      "integrity": "sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==",
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.7.tgz",
+      "integrity": "sha512-LDJzPVEEEPR+y48z93A0Ed0yXb8pAByGWo/k5YYdYgpY2/2EsOsksJrq7lOHxryrVOn1ejG6oAp8ahvOIQD8sw==",
       "dev": true
     },
     "path-root": {
diff --git a/yarn.lock b/yarn.lock
index ed2c2195..3867b4bb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2872,9 +2872,9 @@ path-is-inside@^1.0.1:
   integrity sha1-NlQX3t5EQw0cEa9hAn+s8HS9/FM=
 
 path-parse@^1.0.6:
-  version "1.0.6"
-  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"
-  integrity sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.7.tgz#fbc114b60ca42b30d9daf5858e4bd68bbedb6735"
+  integrity sha512-LDJzPVEEEPR+y48z93A0Ed0yXb8pAByGWo/k5YYdYgpY2/2EsOsksJrq7lOHxryrVOn1ejG6oAp8ahvOIQD8sw==
 
 path-root-regex@^0.1.0:
   version "0.1.2"

From a621820d3d2d024bc57365cf0e2cc6be17059cc4 Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Tue, 11 Jan 2022 17:39:30 +0000
Subject: [PATCH 331/337] Bump copy-props from 2.0.4 to 2.0.5

Bumps [copy-props](https://github.com/gulpjs/copy-props) from 2.0.4 to 2.0.5.
- [Release notes](https://github.com/gulpjs/copy-props/releases)
- [Changelog](https://github.com/gulpjs/copy-props/blob/master/CHANGELOG.md)
- [Commits](https://github.com/gulpjs/copy-props/compare/2.0.4...2.0.5)

---
updated-dependencies:
- dependency-name: copy-props
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
---
 package-lock.json | 18 +++++++++++++-----
 yarn.lock         | 17 +++++++++++------
 2 files changed, 24 insertions(+), 11 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index ff260f12..ff8a81a1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -919,13 +919,21 @@
       "dev": true
     },
     "copy-props": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/copy-props/-/copy-props-2.0.4.tgz",
-      "integrity": "sha512-7cjuUME+p+S3HZlbllgsn2CDwS+5eCCX16qBgNC4jgSTf49qR1VKy/Zhl400m0IQXl/bPGEVqncgUUMjrr4s8A==",
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/copy-props/-/copy-props-2.0.5.tgz",
+      "integrity": "sha512-XBlx8HSqrT0ObQwmSzM7WE5k8FxTV75h1DX1Z3n6NhQ/UYYAvInWYmG06vFt7hQZArE2fuO62aihiWIVQwh1sw==",
       "dev": true,
       "requires": {
-        "each-props": "^1.3.0",
-        "is-plain-object": "^2.0.1"
+        "each-props": "^1.3.2",
+        "is-plain-object": "^5.0.0"
+      },
+      "dependencies": {
+        "is-plain-object": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/is-plain-object/-/is-plain-object-5.0.0.tgz",
+          "integrity": "sha512-VRSzKkbMm5jMDoKLbltAkFQ5Qr7VDiTFGXxYFXXowVj387GeGNOCsOH6Msy00SGZ3Fp84b1Naa1psqgcCIEP5Q==",
+          "dev": true
+        }
       }
     },
     "core-util-is": {
diff --git a/yarn.lock b/yarn.lock
index 3867b4bb..95706006 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -643,12 +643,12 @@ copy-descriptor@^0.1.0:
   integrity sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=
 
 copy-props@^2.0.1:
-  version "2.0.4"
-  resolved "https://registry.yarnpkg.com/copy-props/-/copy-props-2.0.4.tgz#93bb1cadfafd31da5bb8a9d4b41f471ec3a72dfe"
-  integrity sha512-7cjuUME+p+S3HZlbllgsn2CDwS+5eCCX16qBgNC4jgSTf49qR1VKy/Zhl400m0IQXl/bPGEVqncgUUMjrr4s8A==
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/copy-props/-/copy-props-2.0.5.tgz#03cf9ae328d4ebb36f8f1d804448a6af9ee3f2d2"
+  integrity sha512-XBlx8HSqrT0ObQwmSzM7WE5k8FxTV75h1DX1Z3n6NhQ/UYYAvInWYmG06vFt7hQZArE2fuO62aihiWIVQwh1sw==
   dependencies:
-    each-props "^1.3.0"
-    is-plain-object "^2.0.1"
+    each-props "^1.3.2"
+    is-plain-object "^5.0.0"
 
 core-util-is@~1.0.0:
   version "1.0.2"
@@ -797,7 +797,7 @@ duplexify@^3.6.0:
     readable-stream "^2.0.0"
     stream-shift "^1.0.0"
 
-each-props@^1.3.0:
+each-props@^1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/each-props/-/each-props-1.3.2.tgz#ea45a414d16dd5cfa419b1a81720d5ca06892333"
   integrity sha512-vV0Hem3zAGkJAyU7JSjixeU66rwdynTAa1vofCrSA5fEln+m67Az9CcnkVD776/fsN/UjIWmBDoNRS6t6G9RfA==
@@ -1972,6 +1972,11 @@ is-plain-object@^2.0.1, is-plain-object@^2.0.3, is-plain-object@^2.0.4:
   dependencies:
     isobject "^3.0.1"
 
+is-plain-object@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/is-plain-object/-/is-plain-object-5.0.0.tgz#4427f50ab3429e9025ea7d52e9043a9ef4159344"
+  integrity sha512-VRSzKkbMm5jMDoKLbltAkFQ5Qr7VDiTFGXxYFXXowVj387GeGNOCsOH6Msy00SGZ3Fp84b1Naa1psqgcCIEP5Q==
+
 is-property@^1.0.0, is-property@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-property/-/is-property-1.0.2.tgz#57fe1c4e48474edd65b09911f26b1cd4095dda84"

From 213636fc58768364fd60ae959c61e1b136a5e85e Mon Sep 17 00:00:00 2001
From: Rajratna Maitry <49335238+rajratnamaitry@users.noreply.github.com>
Date: Mon, 11 Jul 2022 12:54:55 +0530
Subject: [PATCH 332/337] fibonacci optimize with Memory pattern

---
 src/others/fibonacciMemory.js       | 32 +++++++++++++++++++++++++++++
 test/others/fibonacciMemory.spec.js | 28 +++++++++++++++++++++++++
 2 files changed, 60 insertions(+)
 create mode 100644 src/others/fibonacciMemory.js
 create mode 100644 test/others/fibonacciMemory.spec.js

diff --git a/src/others/fibonacciMemory.js b/src/others/fibonacciMemory.js
new file mode 100644
index 00000000..256979bd
--- /dev/null
+++ b/src/others/fibonacciMemory.js
@@ -0,0 +1,32 @@
+/**
+ * Nth number of fibonacciMemory's sequence
+ *
+ * Returns the nth number of fibonacciMemory's sequence.
+ *
+ * @public
+ *
+ * @example
+ * var fibonacciMemory = require('path-to-algorithms/src/others/fibonacciMemory').fibonacciMemory;
+ * var nth = fibonacciMemory(20);
+ *
+ * console.log(nth); // 6765
+ *
+ * @param {Number} n The nth position in fibonacciMemory's sequence
+ *
+ * @module others/fibonacciMemory
+*/
+(function (exports) {
+    'use strict';
+
+    function fibonacciMemory(n) {
+        var i = 0;
+        var aux = [0, 1];
+        while (n != i) {
+            aux[i + 2] = aux[i] + aux[i + 1];
+            i++;
+        }
+        return aux[i];
+    }
+
+    exports.fibonacciMemory = fibonacciMemory;
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/test/others/fibonacciMemory.spec.js b/test/others/fibonacciMemory.spec.js
new file mode 100644
index 00000000..a2c5c118
--- /dev/null
+++ b/test/others/fibonacciMemory.spec.js
@@ -0,0 +1,28 @@
+var mod = require('../../src/others/fibonacciMemory.js');
+var fibonacci = mod.fibonacciMemory;
+
+describe('fibonacci with Memory algorithm', function () {
+  'use strict';
+
+  it('should return value 1 with input 1.', function () {
+    expect(fibonacci(1)).toBe(1);
+  });
+  it('should return value 6 with input 8.', function () {
+    expect(fibonacci(6)).toBe(8);
+  });
+  it('should return value 7 with input 13.', function () {
+    expect(fibonacci(7)).toBe(13);
+  });
+  it('should return value 8 with input 21.', function () {
+    expect(fibonacci(8)).toBe(21);
+  });
+  it('should return value 9 with input 34.', function () {
+    expect(fibonacci(9)).toBe(34);
+  });
+  it('should return value 10 with input 55.', function () {
+    expect(fibonacci(10)).toBe(55);
+  });  
+  it('should be 135301852344706760000 with input 98.', function () {
+    expect(fibonacci(98)).toBe(135301852344706760000);
+  });
+});

From cf8aa67f67d5fbf5e246245ac42277a88c1e512b Mon Sep 17 00:00:00 2001
From: cHaLkdusT <cHaLkdusT@users.noreply.github.com>
Date: Tue, 4 Oct 2022 13:50:21 +0800
Subject: [PATCH 333/337] :rotating_light: Fix linter errors

---
 src/others/fibonacci.js             |  4 +--
 src/others/fibonacciMemory.js       | 22 ++++++++---------
 src/searching/linearSearch.js       | 38 ++++++++++++++---------------
 test/others/fibonacciMemory.spec.js |  2 +-
 4 files changed, 33 insertions(+), 33 deletions(-)

diff --git a/src/others/fibonacci.js b/src/others/fibonacci.js
index 1b56562e..324c32cd 100644
--- a/src/others/fibonacci.js
+++ b/src/others/fibonacci.js
@@ -14,11 +14,11 @@
  * @param {Number} n The nth position in fibonacci's sequence
  *
  * @module others/fibonacci
-*/
+ */
 (function (exports) {
   'use strict';
 
-  function fibonacci (n) {
+  function fibonacci(n) {
     if (n > 97) {
       throw 'Input too large, results in inaccurate fibonacci value.';
     }
diff --git a/src/others/fibonacciMemory.js b/src/others/fibonacciMemory.js
index 256979bd..1bbfc6a1 100644
--- a/src/others/fibonacciMemory.js
+++ b/src/others/fibonacciMemory.js
@@ -14,19 +14,19 @@
  * @param {Number} n The nth position in fibonacciMemory's sequence
  *
  * @module others/fibonacciMemory
-*/
+ */
 (function (exports) {
-    'use strict';
+  'use strict';
 
-    function fibonacciMemory(n) {
-        var i = 0;
-        var aux = [0, 1];
-        while (n != i) {
-            aux[i + 2] = aux[i] + aux[i + 1];
-            i++;
-        }
-        return aux[i];
+  function fibonacciMemory(n) {
+    var i = 0;
+    var aux = [0, 1];
+    while (n !== i) {
+      aux[i + 2] = aux[i] + aux[i + 1];
+      i += 1;
     }
+    return aux[i];
+  }
 
-    exports.fibonacciMemory = fibonacciMemory;
+  exports.fibonacciMemory = fibonacciMemory;
 })(typeof window === 'undefined' ? module.exports : window);
diff --git a/src/searching/linearSearch.js b/src/searching/linearSearch.js
index 7338a82f..9a95dfa4 100644
--- a/src/searching/linearSearch.js
+++ b/src/searching/linearSearch.js
@@ -1,24 +1,24 @@
 (function (exports) {
-    'use strict';
+  'use strict';
 
-    /**
-     * Searches for specific element in a given array
-     * using the linear search algorithm
-     * Time complexity: O(n)
-     * 
-     * @param {Array} array Input array
-     * @param {Number} key the number whose index is to be found
-     * @returns {Number} the index of the first instance of number or else -1 if not found
-     */
+  /**
+   * Searches for specific element in a given array
+   * using the linear search algorithm
+   * Time complexity: O(n)
+   *
+   * @param {Array} array Input array
+   * @param {Number} key the number whose index is to be found
+   * @returns {Number} the index of the first instance of number or else -1 if not found
+   */
 
-    const linearSearch = (array, key) => {
-        for (let i = 0; i < array.length; i++) {
-            if (array[i] == key) {
-                return i;
-            }
-        }
-        return -1;
+  const linearSearch = (array, key) => {
+    for (let i = 0; i < array.length; i += 1) {
+      if (array[i] === key) {
+        return i;
+      }
     }
+    return -1;
+  };
 
-    exports.linearSearch = linearSearch;
-})(typeof window === 'undefined' ? module.exports : window);
\ No newline at end of file
+  exports.linearSearch = linearSearch;
+})(typeof window === 'undefined' ? module.exports : window);
diff --git a/test/others/fibonacciMemory.spec.js b/test/others/fibonacciMemory.spec.js
index a2c5c118..f90ac1df 100644
--- a/test/others/fibonacciMemory.spec.js
+++ b/test/others/fibonacciMemory.spec.js
@@ -21,7 +21,7 @@ describe('fibonacci with Memory algorithm', function () {
   });
   it('should return value 10 with input 55.', function () {
     expect(fibonacci(10)).toBe(55);
-  });  
+  });
   it('should be 135301852344706760000 with input 98.', function () {
     expect(fibonacci(98)).toBe(135301852344706760000);
   });

From df6d6ea20e8a433bbcd5c95d5140b84abc657aeb Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Wed, 1 Mar 2023 12:12:34 +0000
Subject: [PATCH 334/337] Bump minimist and mkdirp

Bumps [minimist](https://github.com/minimistjs/minimist), [minimist](https://github.com/minimistjs/minimist) and [mkdirp](https://github.com/isaacs/node-mkdirp). These dependencies needed to be updated together.

Updates `minimist` from 1.2.0 to 1.2.8
- [Release notes](https://github.com/minimistjs/minimist/releases)
- [Changelog](https://github.com/minimistjs/minimist/blob/main/CHANGELOG.md)
- [Commits](https://github.com/minimistjs/minimist/compare/v1.2.0...v1.2.8)

Updates `minimist` from 1.2.5 to 1.2.8
- [Release notes](https://github.com/minimistjs/minimist/releases)
- [Changelog](https://github.com/minimistjs/minimist/blob/main/CHANGELOG.md)
- [Commits](https://github.com/minimistjs/minimist/compare/v1.2.0...v1.2.8)

Updates `mkdirp` from 0.5.1 to 0.5.6
- [Release notes](https://github.com/isaacs/node-mkdirp/releases)
- [Changelog](https://github.com/isaacs/node-mkdirp/blob/main/CHANGELOG.md)
- [Commits](https://github.com/isaacs/node-mkdirp/compare/0.5.1...v0.5.6)

---
updated-dependencies:
- dependency-name: minimist
  dependency-type: indirect
- dependency-name: minimist
  dependency-type: indirect
- dependency-name: mkdirp
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
---
 package-lock.json | 62 ++++++-----------------------------------------
 yarn.lock         | 21 ++++++----------
 2 files changed, 15 insertions(+), 68 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index ff8a81a1..2c4ce167 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2113,12 +2113,6 @@
             "brace-expansion": "^1.1.7"
           }
         },
-        "minimist": {
-          "version": "0.0.8",
-          "bundled": true,
-          "dev": true,
-          "optional": true
-        },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
@@ -2135,15 +2129,6 @@
             "minipass": "^2.2.1"
           }
         },
-        "mkdirp": {
-          "version": "0.5.1",
-          "bundled": true,
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "minimist": "0.0.8"
-          }
-        },
         "ms": {
           "version": "2.1.1",
           "bundled": true,
@@ -2282,14 +2267,6 @@
             "ini": "~1.3.0",
             "minimist": "^1.2.0",
             "strip-json-comments": "~2.0.1"
-          },
-          "dependencies": {
-            "minimist": {
-              "version": "1.2.0",
-              "bundled": true,
-              "dev": true,
-              "optional": true
-            }
           }
         },
         "readable-stream": {
@@ -3724,9 +3701,9 @@
       }
     },
     "minimist": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+      "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==",
       "dev": true
     },
     "minipass": {
@@ -3772,20 +3749,12 @@
       }
     },
     "mkdirp": {
-      "version": "0.5.1",
-      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
-      "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+      "version": "0.5.6",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.6.tgz",
+      "integrity": "sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw==",
       "dev": true,
       "requires": {
-        "minimist": "0.0.8"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "0.0.8",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
-          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
-          "dev": true
-        }
+        "minimist": "^1.2.6"
       }
     },
     "morgan": {
@@ -5255,23 +5224,6 @@
         "yallist": "^3.1.1"
       },
       "dependencies": {
-        "minimist": {
-          "version": "1.2.5",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
-          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
-          "dev": true,
-          "optional": true
-        },
-        "mkdirp": {
-          "version": "0.5.5",
-          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
-          "integrity": "sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==",
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "minimist": "^1.2.5"
-          }
-        },
         "safe-buffer": {
           "version": "5.2.1",
           "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
diff --git a/yarn.lock b/yarn.lock
index 95706006..068ad093 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2454,15 +2454,10 @@ minimatch@^3.0.4:
   dependencies:
     brace-expansion "^1.1.7"
 
-minimist@^1.1.0, minimist@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
-  integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
-
-minimist@^1.2.5:
-  version "1.2.5"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
-  integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
+minimist@^1.1.0, minimist@^1.2.0, minimist@^1.2.6:
+  version "1.2.8"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.8.tgz#c1a464e7693302e082a075cee0c057741ac4772c"
+  integrity sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==
 
 minipass@^2.6.0, minipass@^2.9.0:
   version "2.9.0"
@@ -2488,11 +2483,11 @@ mixin-deep@^1.2.0:
     is-extendable "^1.0.1"
 
 mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@^0.5.5, mkdirp@~0.5.1:
-  version "0.5.5"
-  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
-  integrity sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==
+  version "0.5.6"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.6.tgz#7def03d2432dcae4ba1d611445c48396062255f6"
+  integrity sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw==
   dependencies:
-    minimist "^1.2.5"
+    minimist "^1.2.6"
 
 morgan@^1.9.1:
   version "1.9.1"

From eb8c6d11173000797dd0db27f39253a3ac1ae91e Mon Sep 17 00:00:00 2001
From: Minko Gechev <mgechev@gmail.com>
Date: Sun, 15 Oct 2023 14:03:24 -0700
Subject: [PATCH 335/337] Remove package-lock.json and use only yarn.lock

---
 package-lock.json | 5878 ---------------------------------------------
 1 file changed, 5878 deletions(-)
 delete mode 100644 package-lock.json

diff --git a/package-lock.json b/package-lock.json
deleted file mode 100644
index 2c4ce167..00000000
--- a/package-lock.json
+++ /dev/null
@@ -1,5878 +0,0 @@
-{
-  "name": "javascript-algorithms",
-  "version": "0.0.0",
-  "lockfileVersion": 1,
-  "requires": true,
-  "dependencies": {
-    "@jeremyckahn/minami": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/@jeremyckahn/minami/-/minami-1.3.1.tgz",
-      "integrity": "sha512-jeOFPfq3zLxnQ0dhlhrZd5J0qZDdF1wkrNlr6ErVaGtjPTq9gn/NIK0GDOmGcAJgN/6yKwRdMxPy33u12lQWiQ==",
-      "dev": true
-    },
-    "accepts": {
-      "version": "1.3.7",
-      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
-      "integrity": "sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==",
-      "dev": true,
-      "requires": {
-        "mime-types": "~2.1.24",
-        "negotiator": "0.6.2"
-      }
-    },
-    "acorn": {
-      "version": "5.7.3",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz",
-      "integrity": "sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw==",
-      "dev": true
-    },
-    "acorn-jsx": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz",
-      "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
-      "dev": true,
-      "requires": {
-        "acorn": "^3.0.4"
-      },
-      "dependencies": {
-        "acorn": {
-          "version": "3.3.0",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
-          "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo=",
-          "dev": true
-        }
-      }
-    },
-    "ajv": {
-      "version": "4.11.8",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-4.11.8.tgz",
-      "integrity": "sha1-gv+wKynmYq5TvcIK8VlHcGc5xTY=",
-      "dev": true,
-      "requires": {
-        "co": "^4.6.0",
-        "json-stable-stringify": "^1.0.1"
-      }
-    },
-    "ajv-keywords": {
-      "version": "1.5.1",
-      "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-1.5.1.tgz",
-      "integrity": "sha1-MU3QpLM2j609/NxU7eYXG4htrzw=",
-      "dev": true
-    },
-    "ansi-colors": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-1.1.0.tgz",
-      "integrity": "sha512-SFKX67auSNoVR38N3L+nvsPjOE0bybKTYbkf5tRvushrAPQ9V75huw0ZxBkKVeRU9kqH3d6HA4xTckbwZ4ixmA==",
-      "dev": true,
-      "requires": {
-        "ansi-wrap": "^0.1.0"
-      }
-    },
-    "ansi-escapes": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-1.4.0.tgz",
-      "integrity": "sha1-06ioOzGapneTZisT52HHkRQiMG4=",
-      "dev": true
-    },
-    "ansi-gray": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-gray/-/ansi-gray-0.1.1.tgz",
-      "integrity": "sha1-KWLPVOyXksSFEKPetSRDaGHvclE=",
-      "dev": true,
-      "requires": {
-        "ansi-wrap": "0.1.0"
-      }
-    },
-    "ansi-regex": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-      "dev": true
-    },
-    "ansi-styles": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-      "dev": true
-    },
-    "ansi-wrap": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/ansi-wrap/-/ansi-wrap-0.1.0.tgz",
-      "integrity": "sha1-qCJQ3bABXponyoLoLqYDu/pF768=",
-      "dev": true
-    },
-    "anymatch": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-2.0.0.tgz",
-      "integrity": "sha512-5teOsQWABXHHBFP9y3skS5P3d/WfWXpv3FUpy+LorMrNYaT9pI4oLMQX7jzQ2KklNpGpWHzdCXTDT2Y3XGlZBw==",
-      "dev": true,
-      "requires": {
-        "micromatch": "^3.1.4",
-        "normalize-path": "^2.1.1"
-      },
-      "dependencies": {
-        "normalize-path": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-2.1.1.tgz",
-          "integrity": "sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=",
-          "dev": true,
-          "requires": {
-            "remove-trailing-separator": "^1.0.1"
-          }
-        }
-      }
-    },
-    "apache-crypt": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/apache-crypt/-/apache-crypt-1.2.1.tgz",
-      "integrity": "sha1-1vxyqm0n2ZyVqU/RiNcx7v/6Zjw=",
-      "dev": true,
-      "requires": {
-        "unix-crypt-td-js": "^1.0.0"
-      }
-    },
-    "apache-md5": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/apache-md5/-/apache-md5-1.1.2.tgz",
-      "integrity": "sha1-7klza2ObTxCLbp5ibG2pkwa0FpI=",
-      "dev": true
-    },
-    "append-buffer": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/append-buffer/-/append-buffer-1.0.2.tgz",
-      "integrity": "sha1-2CIM9GYIFSXv6lBhTz3mUU36WPE=",
-      "dev": true,
-      "requires": {
-        "buffer-equal": "^1.0.0"
-      }
-    },
-    "archy": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/archy/-/archy-1.0.0.tgz",
-      "integrity": "sha1-+cjBN1fMHde8N5rHeyxipcKGjEA=",
-      "dev": true
-    },
-    "argparse": {
-      "version": "1.0.10",
-      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
-      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
-      "dev": true,
-      "requires": {
-        "sprintf-js": "~1.0.2"
-      }
-    },
-    "arr-diff": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
-      "integrity": "sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA=",
-      "dev": true
-    },
-    "arr-filter": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/arr-filter/-/arr-filter-1.1.2.tgz",
-      "integrity": "sha1-Q/3d0JHo7xGqTEXZzcGOLf8XEe4=",
-      "dev": true,
-      "requires": {
-        "make-iterator": "^1.0.0"
-      }
-    },
-    "arr-flatten": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/arr-flatten/-/arr-flatten-1.1.0.tgz",
-      "integrity": "sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg==",
-      "dev": true
-    },
-    "arr-map": {
-      "version": "2.0.2",
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-    "array-slice": {
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From 21a621c1e45c386e59ab878f77ce1668ac69c559 Mon Sep 17 00:00:00 2001
From: Minko Gechev <mgechev@gmail.com>
Date: Sun, 15 Oct 2023 14:08:24 -0700
Subject: [PATCH 336/337] Setup CI via GitHub actions main.yml

---
 .github/workflows/main.yml | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 .github/workflows/main.yml

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 00000000..16f9bad5
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,17 @@
+name: Node.js CI
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '17.7.x'
+      - run: yarn --frozen-lockfile
+      - run: npm test

From 405279c52e6a0afc30b7646d7a44d757722a3f3b Mon Sep 17 00:00:00 2001
From: Minko Gechev <mgechev@gmail.com>
Date: Sun, 15 Oct 2023 14:10:36 -0700
Subject: [PATCH 337/337] Remove stale travis banner

---
 readme.md | 2 --
 1 file changed, 2 deletions(-)

diff --git a/readme.md b/readme.md
index e61af141..945b4238 100644
--- a/readme.md
+++ b/readme.md
@@ -1,7 +1,5 @@
 ## About
 
-[![Build Status](https://travis-ci.org/mgechev/javascript-algorithms.svg?branch=Jakehp-patch-1)](https://travis-ci.org/mgechev/javascript-algorithms)
-
 This repository contains JavaScript implementations of famous computer science algorithms.
 
 API reference with usage examples available