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File: public/js/tinymce/src/core/src/main/js/util/Arr.js

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/** * Arr.js * * Released under LGPL License. * Copyright (c) 1999-2017 Ephox Corp. All rights reserved * * License: http://www.tinymce.com/license * Contributing: http://www.tinymce.com/contributing */ /** * Array utility class. * * @private * @class tinymce.util.Arr */ define( 'tinymce.core.util.Arr', [ ], function () { var isArray = Array.isArray || function (obj) { return Object.prototype.toString.call(obj) === "[object Array]"; }; var toArray = function (obj) { var array = obj, i, l; if (!isArray(obj)) { array = []; for (i = 0, l = obj.length; i < l; i++) { array[i] = obj[i]; } } return array; }; var each = function (o, cb, s) { var n, l; if (!o) { return 0; } s = s || o; if (o.length !== undefined) { // Indexed arrays, needed for Safari for (n = 0, l = o.length; n < l; n++) { if (cb.call(s, o[n], n, o) === false) { return 0; } } } else { // Hashtables for (n in o) { if (o.hasOwnProperty(n)) { if (cb.call(s, o[n], n, o) === false) { return 0; } } } } return 1; }; var map = function (array, callback) { var out = []; each(array, function (item, index) { out.push(callback(item, index, array)); }); return out; }; var filter = function (a, f) { var o = []; each(a, function (v, index) { if (!f || f(v, index, a)) { o.push(v); } }); return o; }; var indexOf = function (a, v) { var i, l; if (a) { for (i = 0, l = a.length; i < l; i++) { if (a[i] === v) { return i; } } } return -1; }; var reduce = function (collection, iteratee, accumulator, thisArg) { var i = 0; if (arguments.length < 3) { accumulator = collection[0]; } for (; i < collection.length; i++) { accumulator = iteratee.call(thisArg, accumulator, collection[i], i); } return accumulator; }; var findIndex = function (array, predicate, thisArg) { var i, l; for (i = 0, l = array.length; i < l; i++) { if (predicate.call(thisArg, array[i], i, array)) { return i; } } return -1; }; var find = function (array, predicate, thisArg) { var idx = findIndex(array, predicate, thisArg); if (idx !== -1) { return array[idx]; } return undefined; }; var last = function (collection) { return collection[collection.length - 1]; }; return { isArray: isArray, toArray: toArray, each: each, map: map, filter: filter, indexOf: indexOf, reduce: reduce, findIndex: findIndex, find: find, last: last }; } );