[build] 2.0.0-rc.6

Author: yyx990803

dist/logger.js

@@ -0,0 +1,113 @@
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+  typeof define === 'function' && define.amd ? define(factory) :
+  (global.createVuexLogger = factory());
+}(this, (function () { 'use strict';
+
+/**
+ * Get the first item that pass the test
+ * by second argument function
+ *
+ * @param {Array} list
+ * @param {Function} f
+ * @return {*}
+ */
+function find (list, f) {
+  return list.filter(f)[0]
+}
+
+/**
+ * Deep copy the given object considering circular structure.
+ * This function caches all nested objects and its copies.
+ * If it detects circular structure, use cached copy to avoid infinite loop.
+ *
+ * @param {*} obj
+ * @param {Array<Object>} cache
+ * @return {*}
+ */
+function deepCopy (obj, cache) {
+  if ( cache === void 0 ) cache = [];
+
+  // just return if obj is immutable value
+  if (obj === null || typeof obj !== 'object') {
+    return obj
+  }
+
+  // if obj is hit, it is in circular structure
+  var hit = find(cache, function (c) { return c.original === obj; })
+  if (hit) {
+    return hit.copy
+  }
+
+  var copy = Array.isArray(obj) ? [] : {}
+  // put the copy into cache at first
+  // because we want to refer it in recursive deepCopy
+  cache.push({
+    original: obj,
+    copy: copy
+  })
+
+  Object.keys(obj).forEach(function (key) {
+    copy[key] = deepCopy(obj[key], cache)
+  })
+
+  return copy
+}
+
+// Credits: borrowed code from fcomb/redux-logger
+
+function createLogger (ref) {
+  if ( ref === void 0 ) ref = {};
+  var collapsed = ref.collapsed; if ( collapsed === void 0 ) collapsed = true;
+  var transformer = ref.transformer; if ( transformer === void 0 ) transformer = function (state) { return state; };
+  var mutationTransformer = ref.mutationTransformer; if ( mutationTransformer === void 0 ) mutationTransformer = function (mut) { return mut; };
+
+  return function (store) {
+    var prevState = deepCopy(store.state)
+
+    store.subscribe(function (mutation, state) {
+      if (typeof console === 'undefined') {
+        return
+      }
+      var nextState = deepCopy(state)
+      var time = new Date()
+      var formattedTime = " @ " + (pad(time.getHours(), 2)) + ":" + (pad(time.getMinutes(), 2)) + ":" + (pad(time.getSeconds(), 2)) + "." + (pad(time.getMilliseconds(), 3))
+      var formattedMutation = mutationTransformer(mutation)
+      var message = "mutation " + (mutation.type) + formattedTime
+      var startMessage = collapsed
+        ? console.groupCollapsed
+        : console.group
+
+      // render
+      try {
+        startMessage.call(console, message)
+      } catch (e) {
+        console.log(message)
+      }
+
+      console.log('%c prev state', 'color: #9E9E9E; font-weight: bold', transformer(prevState))
+      console.log('%c mutation', 'color: #03A9F4; font-weight: bold', formattedMutation)
+      console.log('%c next state', 'color: #4CAF50; font-weight: bold', transformer(nextState))
+
+      try {
+        console.groupEnd()
+      } catch (e) {
+        console.log('—— log end ——')
+      }
+
+      prevState = nextState
+    })
+  }
+}
+
+function repeat (str, times) {
+  return (new Array(times + 1)).join(str)
+}
+
+function pad (num, maxLength) {
+  return repeat('0', maxLength - num.toString().length) + num
+}
+
+return createLogger;
+
+})));