| /** |
| * 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 isFunction = require('../objects/isFunction'); |
| |
| /** |
| * Creates a function that executes `func`, with the `this` binding and |
| * arguments of the created function, only after being called `n` times. |
| * |
| * @static |
| * @memberOf _ |
| * @category Functions |
| * @param {number} n The number of times the function must be called before |
| * `func` is executed. |
| * @param {Function} func The function to restrict. |
| * @returns {Function} Returns the new restricted function. |
| * @example |
| * |
| * var saves = ['profile', 'settings']; |
| * |
| * var done = _.after(saves.length, function() { |
| * console.log('Done saving!'); |
| * }); |
| * |
| * _.forEach(saves, function(type) { |
| * asyncSave({ 'type': type, 'complete': done }); |
| * }); |
| * // => logs 'Done saving!', after all saves have completed |
| */ |
| function after(n, func) { |
| if (!isFunction(func)) { |
| throw new TypeError; |
| } |
| return function() { |
| if (--n < 1) { |
| return func.apply(this, arguments); |
| } |
| }; |
| } |
| |
| module.exports = after; |