| var baseRest = require('./_baseRest'), | |
| toInteger = require('./toInteger'); | |
| /** Error message constants. */ | |
| var FUNC_ERROR_TEXT = 'Expected a function'; | |
| /** | |
| * 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://mdn.io/rest_parameters). | |
| * | |
| * @static | |
| * @memberOf _ | |
| * @since 4.0.0 | |
| * @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 = _.rest(function(what, names) { | |
| * return what + ' ' + _.initial(names).join(', ') + | |
| * (_.size(names) > 1 ? ', & ' : '') + _.last(names); | |
| * }); | |
| * | |
| * say('hello', 'fred', 'barney', 'pebbles'); | |
| * // => 'hello fred, barney, & pebbles' | |
| */ | |
| function rest(func, start) { | |
| if (typeof func != 'function') { | |
| throw new TypeError(FUNC_ERROR_TEXT); | |
| } | |
| start = start === undefined ? start : toInteger(start); | |
| return baseRest(func, start); | |
| } | |
| module.exports = rest; |