githubmirror/lodash

bindAll.js

38 строк1 KB

John-David Dalton

Bump to v4.16.0.

18 сен 2016, 08:24

18 сен 2016, 08:240b9ddff

define(['./_arrayEach', './_baseAssignValue', './bind', './_flatRest', './_toKey'], function(arrayEach, baseAssignValue, bind, flatRest, toKey) {

  /**
   * Binds methods of an object to the object itself, overwriting the existing
   * method.
   *
   * **Note:** This method doesn't set the "length" property of bound functions.
   *
   * @static
   * @since 0.1.0
   * @memberOf _
   * @category Util
   * @param {Object} object The object to bind and assign the bound methods to.
   * @param {...(string|string[])} methodNames The object method names to bind.
   * @returns {Object} Returns `object`.
   * @example
   *
   * var view = {
   *   'label': 'docs',
   *   'click': function() {
   *     console.log('clicked ' + this.label);
   *   }
   * };
   *
   * _.bindAll(view, ['click']);
   * jQuery(element).on('click', view.click);
   * // => Logs 'clicked docs' when clicked.
   */
  var bindAll = flatRest(function(object, methodNames) {
    arrayEach(methodNames, function(key) {
      key = toKey(key);
      baseAssignValue(object, key, bind(object[key], object));
    });
    return object;
  });

  return bindAll;
});