57 lines
1.2 KiB
JavaScript
57 lines
1.2 KiB
JavaScript
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'use strict';
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module.exports = function (array) {
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var items = [];
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if (array) {
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items = array;
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}
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this.add = function (item) {
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items.push(item);
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};
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this.iterator = function () {
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var i = 0;
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return {
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hasNext: function () {
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return i < items.length;
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},
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next: function () {
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return items[i++];
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}
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};
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};
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this.getLength = function () {
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return items.length;
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};
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this.length = this.getLength();
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this.toArray = function () {
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return items;
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};
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this.addAll = function (collection) {
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items = items.concat(collection.toArray());
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};
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this.contains = function (item) {
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return array.indexOf(item) >= 0;
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};
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this.map = function () {
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var args = Array.from(arguments);
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var list = args[0];
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var callback = args[1];
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if (list && Object.prototype.hasOwnProperty.call(list, 'toArray')) {
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list = list.toArray();
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}
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return list ? list.map(callback) : [];
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};
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this.get = function (index) {
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return items[index];
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};
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};
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