Yang Guo | 4fd355c | 2019-09-19 08:59:03 | [diff] [blame] | 1 | var arrayEach = require('./_arrayEach'), |
| 2 | baseAssignValue = require('./_baseAssignValue'), |
| 3 | bind = require('./bind'), |
| 4 | flatRest = require('./_flatRest'), |
| 5 | toKey = require('./_toKey'); |
| 6 | |
| 7 | /** |
| 8 | * Binds methods of an object to the object itself, overwriting the existing |
| 9 | * method. |
| 10 | * |
| 11 | * **Note:** This method doesn't set the "length" property of bound functions. |
| 12 | * |
| 13 | * @static |
| 14 | * @since 0.1.0 |
| 15 | * @memberOf _ |
| 16 | * @category Util |
| 17 | * @param {Object} object The object to bind and assign the bound methods to. |
| 18 | * @param {...(string|string[])} methodNames The object method names to bind. |
| 19 | * @returns {Object} Returns `object`. |
| 20 | * @example |
| 21 | * |
| 22 | * var view = { |
| 23 | * 'label': 'docs', |
| 24 | * 'click': function() { |
| 25 | * console.log('clicked ' + this.label); |
| 26 | * } |
| 27 | * }; |
| 28 | * |
| 29 | * _.bindAll(view, ['click']); |
| 30 | * jQuery(element).on('click', view.click); |
| 31 | * // => Logs 'clicked docs' when clicked. |
| 32 | */ |
| 33 | var bindAll = flatRest(function(object, methodNames) { |
| 34 | arrayEach(methodNames, function(key) { |
| 35 | key = toKey(key); |
| 36 | baseAssignValue(object, key, bind(object[key], object)); |
| 37 | }); |
| 38 | return object; |
| 39 | }); |
| 40 | |
| 41 | module.exports = bindAll; |