| 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; |