| /** |
| * Lo-Dash 2.4.1 (Custom Build) <http://lodash.com/> |
| * Build: `lodash modularize modern exports="node" -o ./modern/` |
| * Copyright 2012-2013 The Dojo Foundation <http://dojofoundation.org/> |
| * Based on Underscore.js 1.5.2 <http://underscorejs.org/LICENSE> |
| * Copyright 2009-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors |
| * Available under MIT license <http://lodash.com/license> |
| */ |
| |
| /** Used for native method references */ |
| var objectProto = Object.prototype; |
| |
| /** Used to resolve the internal [[Class]] of values */ |
| var toString = objectProto.toString; |
| |
| /** Used to detect if a method is native */ |
| var reNative = RegExp('^' + |
| String(toString) |
| .replace(/[.*+?^${}()|[\]\\]/g, '\\$&') |
| .replace(/toString| for [^\]]+/g, '.*?') + '$' |
| ); |
| |
| /** |
| * Checks if `value` is a native function. |
| * |
| * @private |
| * @param {*} value The value to check. |
| * @returns {boolean} Returns `true` if the `value` is a native function, else `false`. |
| */ |
| function isNative(value) { |
| return typeof value == 'function' && reNative.test(value); |
| } |
| |
| module.exports = isNative; |