47 lines
962 B
JavaScript
47 lines
962 B
JavaScript
|
/*!
|
||
|
|
* array-each <https://github.com/jonschlinkert/array-each>
|
||
|
|
*
|
||
|
|
* Copyright (c) 2015, 2017, Jon Schlinkert.
|
||
|
|
* Released under the MIT License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
'use strict';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Loop over each item in an array and call the given function on every element.
|
||
|
|
*
|
||
|
|
* ```js
|
||
|
|
* each(['a', 'b', 'c'], function(ele) {
|
||
|
|
* return ele + ele;
|
||
|
|
* });
|
||
|
|
* //=> ['aa', 'bb', 'cc']
|
||
|
|
*
|
||
|
|
* each(['a', 'b', 'c'], function(ele, i) {
|
||
|
|
* return i + ele;
|
||
|
|
* });
|
||
|
|
* //=> ['0a', '1b', '2c']
|
||
|
|
* ```
|
||
|
|
*
|
||
|
|
* @name each
|
||
|
|
* @alias forEach
|
||
|
|
* @param {Array} `array`
|
||
|
|
* @param {Function} `fn`
|
||
|
|
* @param {Object} `thisArg` (optional) pass a `thisArg` to be used as the context in which to call the function.
|
||
|
|
* @return {undefined}
|
||
|
|
* @api public
|
||
|
|
*/
|
||
|
|
|
||
|
|
module.exports = function each(arr, cb, thisArg) {
|
||
|
|
if (arr == null) return;
|
||
|
|
|
||
|
|
var len = arr.length;
|
||
|
|
var idx = -1;
|
||
|
|
|
||
|
|
while (++idx < len) {
|
||
|
|
var ele = arr[idx];
|
||
|
|
if (cb.call(thisArg, ele, idx, arr) === false) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|