| /** |
| * Copyright (c) 2014 Petka Antonov |
| * |
| * 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:</p> |
| * |
| * 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 isES5 = (function(){ |
| "use strict"; |
| return this === void 0; |
| })(); |
| |
| if (isES5) { |
| module.exports = { |
| freeze: Object.freeze, |
| defineProperty: Object.defineProperty, |
| keys: Object.keys, |
| getPrototypeOf: Object.getPrototypeOf, |
| isArray: Array.isArray, |
| isES5: isES5 |
| }; |
| } |
| |
| else { |
| var has = {}.hasOwnProperty; |
| var str = {}.toString; |
| var proto = {}.constructor.prototype; |
| |
| function ObjectKeys(o) { |
| var ret = []; |
| for (var key in o) { |
| if (has.call(o, key)) { |
| ret.push(key); |
| } |
| } |
| return ret; |
| } |
| |
| function ObjectDefineProperty(o, key, desc) { |
| o[key] = desc.value; |
| return o; |
| } |
| |
| function ObjectFreeze(obj) { |
| return obj; |
| } |
| |
| function ObjectGetPrototypeOf(obj) { |
| try { |
| return Object(obj).constructor.prototype; |
| } |
| catch (e) { |
| return proto; |
| } |
| } |
| |
| function ArrayIsArray(obj) { |
| try { |
| return str.call(obj) === "[object Array]"; |
| } |
| catch(e) { |
| return false; |
| } |
| } |
| |
| module.exports = { |
| isArray: ArrayIsArray, |
| keys: ObjectKeys, |
| defineProperty: ObjectDefineProperty, |
| freeze: ObjectFreeze, |
| getPrototypeOf: ObjectGetPrototypeOf, |
| isES5: isES5 |
| }; |
| } |