Move code to ES2015

- Review all the Design Patterns
- Add a new Design Pattern exclusive only for ES6 [Multi-inheritance]
- Modify README.md to:
  - Include the new pattern.
  - Order the patterns alphabetically.
  - Add Babel.js information.

Author: tcorral

Command/1/scripts/Command.js

@@ -1,7 +1,7 @@
 class Command {
-	execute() {
-		throw new Error('This method must be overwritten!');
-	}
+  execute() {
+    throw new Error('This method must be overwritten!');
+  }
 }
 
 export default Command;

Command/2/scripts/LightOnCommand.js

@@ -1,9 +1,10 @@
-import LightOnCommand from '../../common/LightOnCommand';;
+import LightOnCommand from '../../common/LightOnCommand';
+;
 
-class LightOnCommand2 extends LightOnCommand{
-	undo() {
-		this.light.off();
-	}
+class LightOnCommand2 extends LightOnCommand {
+  undo() {
+    this.light.off();
+  }
 }
 
 export default LightOnCommand2;

Command/2/scripts/SimpleRemoteControl.js

@@ -1,9 +1,9 @@
 import SimpleRemoteControl from '../../common/SimpleRemoteControl';
 
 class SimpleRemoteControl2 extends SimpleRemoteControl {
-	buttonUndoWasPressed() {
-		this.command.undo();
-	}
+  buttonUndoWasPressed() {
+    this.command.undo();
+  }
 }
 
 export default SimpleRemoteControl2;

Composite/scripts/Mattress.js

@@ -1,10 +1,10 @@
 class Mattress {
   constructor(aMenus) {
-    this.aMenus = aMenus;
+    this.menus = aMenus;
   }
 
   printMenu() {
-    this.aMenus.print();
+    this.menus.print();
   }
 }
 

Composite/scripts/MenuComponent.js

@@ -1,34 +1,41 @@
 class MenuComponent {
+  constructor(name = '', description = '', isVegetarian = false, price = 0) {
+    this.name = name;
+    this.description = description;
+    this._isVegetarian = isVegetarian;
+    this.price = price;
+  }
+
   getName() {
-    throw new Error('This method must be overwritten!');
+    return this.name;
   }
 
   getDescription() {
-    throw new Error('This method must be overwritten!');
+    return this.description;
   }
 
   getPrice() {
-    throw new Error('This method must be overwritten!');
+    return this.price;
   }
 
   isVegetarian() {
-    throw new Error('This method must be overwritten!');
+    return this._isVegetarian;
   }
 
   print() {
-    throw new Error('This method must be overwritten!');
+    shouldBeOverwritten();
   }
 
   add() {
-    throw new Error('This method must be overwritten!');
+    shouldBeOverwritten();
   }
 
   remove() {
-    throw new Error('This method must be overwritten!');
+    shouldBeOverwritten();
   }
 
   getChild() {
-    throw new Error('This method must be overwritten!');
+    shouldBeOverwritten();
   }
 }
 

Composite/scripts/MenuItem.js

@@ -1,31 +1,6 @@
 import MenuComponent from './MenuComponent';
 
 class MenuItem extends MenuComponent {
-  constructor(name, description, isVegetarian, price) {
-    super();
-    this.name = name;
-    this.description = description;
-    this._isVegetarian = isVegetarian;
-    this.price = price;
-    return this;
-  }
-
-  getName() {
-    return this.name;
-  }
-
-  getDescription() {
-    return this.description;
-  }
-
-  getPrice() {
-    return this.price;
-  }
-
-  isVegetarian() {
-    return this._isVegetarian;
-  }
-
   print() {
     console.log(this.getName() + ": " + this.getDescription() + ", " + this.getPrice() + "euros");
   }

CompositeIterator/1/index.html

@@ -7,9 +7,9 @@
     <div id="source">
       <h2>Source</h2>
       <pre>
-import Menu from './Menu';
-import MenuItem from './MenuItem';
-import Mattress from './Mattress';
+import Menu from '../../common/Menu';
+import MenuItem from '../../common/MenuItem';
+import Mattress from '../../common/Mattress';
 
 var oPanCakeHouseMenu = new Menu("Pancake House Menu", "Breakfast");
 var oDinnerMenu = new Menu("Dinner Menu", "Lunch");
@@ -31,7 +31,6 @@ <h2>Source</h2>
 console.log("---------------------------------------------");
 oMattress.printMenu();
 console.log("---------------------------------------------");
-
       </pre>
     </div>
     <div id="console">

CompositeIterator/2/index.html

@@ -7,8 +7,8 @@
     <div id="source">
       <h2>Source</h2>
       <pre>
-import Menu from './Menu';
-import MenuItem from './MenuItem';
+import Menu from '../../common/Menu';
+import MenuItem from '../../common/MenuItem';
 import Mattress from './Mattress';
 
 let panCakeHouseMenu = new Menu("Pancake House Menu", "Breakfast");
@@ -25,13 +25,13 @@ <h2>Source</h2>
   3.89));
 dinnerMenu.add(coffeeMenu);
 
+
 coffeeMenu.add(new MenuItem("Express", "Coffee from machine", false, 0.99));
 
 let mattress = new Mattress(allMenus);
 console.log("---------------------------------------------");
 mattress.printVegetarianMenu();
 console.log("---------------------------------------------");
-
       </pre>
     </div>
     <div id="console">

CompositeIterator/2/scripts/Mattress.js

@@ -2,15 +2,21 @@ import Mattress from '../../common/Mattress';
 
 class Mattress2 extends Mattress {
   printVegetarianMenu() {
-    let iterator = this.menus.createIterator();
+    let iterator = this.menus.menuComponents[Symbol.iterator]();
+    let menu = iterator.next();
     console.log("VEGETARIAN MENU");
-    while (iterator.hasNext()) {
-      let menuComponent = iterator.next();
-      try {
-        if (menuComponent.isVegetarian()) {
-          menuComponent.print();
-        }
-      } catch (error) {}
+    while (menu.value) {
+      let menuComponentsIterator = menu.value.menuComponents[Symbol.iterator]();
+      let menuComponent = menuComponentsIterator.next();
+      while (menuComponent.value) {
+        try {
+          if (menuComponent.value.isVegetarian()) {
+            menuComponent.value.print();
+          }
+        } catch (error) {}
+        menuComponent = menuComponentsIterator.next();
+      }
+      menu = iterator.next();
     }
   }
 }