/**
* Arr.js
*
* Released under LGPL License.
* Copyright (c) 1999-2015 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/util/Arr", [], function() {
var isArray = Array.isArray || function(obj) {
return Object.prototype.toString.call(obj) === "[object Array]";
};
function toArray(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;
}
function each(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;
}
function map(array, callback) {
var out = [];
each(array, function(item, index) {
out.push(callback(item, index, array));
});
return out;
}
function filter(a, f) {
var o = [];
each(a, function(v) {
if (!f || f(v)) {
o.push(v);
}
});
return o;
}
function indexOf(a, v) {
var i, l;
if (a) {
for (i = 0, l = a.length; i < l; i++) {
if (a[i] === v) {
return i;
}
}
}
return -1;
}
function reduce(collection, iteratee, accumulator, thisArg) {
var i = 0;
if (arguments.length < 3) {
accumulator = collection[0];
i = 1;
}
for (; i < collection.length; i++) {
accumulator = iteratee.call(thisArg, accumulator, collection[i], i);
}
return accumulator;
}
return {
isArray: isArray,
toArray: toArray,
each: each,
map: map,
filter: filter,
indexOf: indexOf,
reduce: reduce
};
});
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