| /** |
| * Lo-Dash 2.4.1 (Custom Build) <http://lodash.com/> |
| * Build: `lodash modularize exports="node" -o ./compat/` |
| * 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> |
| */ |
| var createCallback = require('../functions/createCallback'); |
| |
| /** |
| * Used for `Array` method references. |
| * |
| * Normally `Array.prototype` would suffice, however, using an array literal |
| * avoids issues in Narwhal. |
| */ |
| var arrayRef = []; |
| |
| /** Native method shortcuts */ |
| var splice = arrayRef.splice; |
| |
| /** |
| * Removes all elements from an array that the callback returns truey for |
| * and returns an array of removed elements. The callback is bound to `thisArg` |
| * and invoked with three arguments; (value, index, array). |
| * |
| * If a property name is provided for `callback` the created "_.pluck" style |
| * callback will return the property value of the given element. |
| * |
| * If an object is provided for `callback` the created "_.where" style callback |
| * will return `true` for elements that have the properties of the given object, |
| * else `false`. |
| * |
| * @static |
| * @memberOf _ |
| * @category Arrays |
| * @param {Array} array The array to modify. |
| * @param {Function|Object|string} [callback=identity] The function called |
| * per iteration. If a property name or object is provided it will be used |
| * to create a "_.pluck" or "_.where" style callback, respectively. |
| * @param {*} [thisArg] The `this` binding of `callback`. |
| * @returns {Array} Returns a new array of removed elements. |
| * @example |
| * |
| * var array = [1, 2, 3, 4, 5, 6]; |
| * var evens = _.remove(array, function(num) { return num % 2 == 0; }); |
| * |
| * console.log(array); |
| * // => [1, 3, 5] |
| * |
| * console.log(evens); |
| * // => [2, 4, 6] |
| */ |
| function remove(array, callback, thisArg) { |
| var index = -1, |
| length = array ? array.length : 0, |
| result = []; |
| |
| callback = createCallback(callback, thisArg, 3); |
| while (++index < length) { |
| var value = array[index]; |
| if (callback(value, index, array)) { |
| result.push(value); |
| splice.call(array, index--, 1); |
| length--; |
| } |
| } |
| return result; |
| } |
| |
| module.exports = remove; |