| /* | |
| Copyright (c) 2010 Tim Caswell <tim@creationix.com> | |
| 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. | |
| */ | |
| var proto = Object.prototype; | |
| // Implements a forEach much like the one for Array.prototype.forEach, but for | |
| // any object. | |
| if (typeof proto.forEach !== 'function') { | |
| Object.defineProperty(proto, "forEach", {value: function forEach(callback, thisObject) { | |
| var keys = Object.keys(this); | |
| var length = keys.length; | |
| for (var i = 0; i < length; i++) { | |
| var key = keys[i]; | |
| callback.call(thisObject, this[key], key, this); | |
| } | |
| }}); | |
| } | |
| // Implements a map much like the one for Array.prototype.map, but for any | |
| // object. Returns an array, not a generic object. | |
| if (typeof proto.map !== 'function') { | |
| Object.defineProperty(proto, "map", {value: function map(callback, thisObject) { | |
| var accum = []; | |
| var keys = Object.keys(this); | |
| var length = keys.length; | |
| for (var i = 0; i < length; i++) { | |
| var key = keys[i]; | |
| accum[i] = callback.call(thisObject, this[key], key, this); | |
| } | |
| return accum; | |
| }}); | |
| } | |
| // Implement extend for easy prototypal inheritance | |
| if (typeof proto.extend !== 'function') { | |
| Object.defineProperty(proto, "extend", {value: function extend(obj) { | |
| obj.__proto__ = this; | |
| return obj; | |
| }}); | |
| } | |
| // Implement new for easy self-initializing objects | |
| if (typeof proto.new !== 'function') { | |
| Object.defineProperty(proto, "new", {value: function () { | |
| var obj = Object.create(this); | |
| if (obj.initialize) obj.initialize.apply(obj, arguments); | |
| return obj; | |
| }}); | |
| } | |