/** * lodash 3.1.0 (Custom Build) * Build: `lodash modern modularize exports="npm" -o ./` * Copyright 2012-2015 The Dojo Foundation * Based on Underscore.js 1.8.2 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors * Available under MIT license */ var createWrapper = require('lodash._createwrapper'), replaceHolders = require('lodash._replaceholders'), restParam = require('lodash.restparam'); /** Used to compose bitmasks for wrapper metadata. */ var BIND_FLAG = 1, PARTIAL_FLAG = 32; /** * Creates a function that invokes `func` with the `this` binding of `thisArg` * and prepends any additional `_.bind` arguments to those provided to the * bound function. * * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds, * may be used as a placeholder for partially applied arguments. * * **Note:** Unlike native `Function#bind` this method does not set the `length` * property of bound functions. * * @static * @memberOf _ * @category Function * @param {Function} func The function to bind. * @param {*} thisArg The `this` binding of `func`. * @param {...*} [partials] The arguments to be partially applied. * @returns {Function} Returns the new bound function. * @example * * var greet = function(greeting, punctuation) { * return greeting + ' ' + this.user + punctuation; * }; * * var object = { 'user': 'fred' }; * * var bound = _.bind(greet, object, 'hi'); * bound('!'); * // => 'hi fred!' * * // using placeholders * var bound = _.bind(greet, object, _, '!'); * bound('hi'); * // => 'hi fred!' */ var bind = restParam(function(func, thisArg, partials) { var bitmask = BIND_FLAG; if (partials.length) { var holders = replaceHolders(partials, bind.placeholder); bitmask |= PARTIAL_FLAG; } return createWrapper(func, bitmask, thisArg, partials, holders); }); // Assign default placeholders. bind.placeholder = {}; module.exports = bind;