AlkantarClanX12
Current Path : /lib/node_modules/npm/node_modules/lodash.restparam/ |
Current File : //lib/node_modules/npm/node_modules/lodash.restparam/index.js |
/** * lodash 3.6.1 (Custom Build) <https://lodash.com/> * Build: `lodash modern modularize exports="npm" -o ./` * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/> * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE> * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors * Available under MIT license <https://lodash.com/license> */ /** Used as the `TypeError` message for "Functions" methods. */ var FUNC_ERROR_TEXT = 'Expected a function'; /* Native method references for those with the same name as other `lodash` methods. */ var nativeMax = Math.max; /** * Creates a function that invokes `func` with the `this` binding of the * created function and arguments from `start` and beyond provided as an array. * * **Note:** This method is based on the [rest parameter](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/rest_parameters). * * @static * @memberOf _ * @category Function * @param {Function} func The function to apply a rest parameter to. * @param {number} [start=func.length-1] The start position of the rest parameter. * @returns {Function} Returns the new function. * @example * * var say = _.restParam(function(what, names) { * return what + ' ' + _.initial(names).join(', ') + * (_.size(names) > 1 ? ', & ' : '') + _.last(names); * }); * * say('hello', 'fred', 'barney', 'pebbles'); * // => 'hello fred, barney, & pebbles' */ function restParam(func, start) { if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } start = nativeMax(start === undefined ? (func.length - 1) : (+start || 0), 0); return function() { var args = arguments, index = -1, length = nativeMax(args.length - start, 0), rest = Array(length); while (++index < length) { rest[index] = args[start + index]; } switch (start) { case 0: return func.call(this, rest); case 1: return func.call(this, args[0], rest); case 2: return func.call(this, args[0], args[1], rest); } var otherArgs = Array(start + 1); index = -1; while (++index < start) { otherArgs[index] = args[index]; } otherArgs[start] = rest; return func.apply(this, otherArgs); }; } module.exports = restParam;