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