55 lines
1.0 KiB
JavaScript
55 lines
1.0 KiB
JavaScript
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// http://www.rajdeepd.com/articles/chrome/localstrg/LocalStorageSample.htm
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// NOTE:
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// this varies from actual localStorage in some subtle ways
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// also, there is no persistence
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// TODO persist
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(function () {
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"use strict";
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var db;
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function LocalStorage() {
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}
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db = LocalStorage;
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db.prototype.getItem = function (key) {
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if (key in this) {
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return String(this[key]);
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}
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return null;
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};
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db.prototype.setItem = function (key, val) {
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this[key] = String(val);
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};
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db.prototype.removeItem = function (key) {
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delete this[key];
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};
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db.prototype.clear = function () {
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var self = this;
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Object.keys(self).forEach(function (key) {
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self[key] = undefined;
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delete self[key];
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});
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};
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db.prototype.key = function (i) {
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i = i || 0;
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return Object.keys(this)[i];
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};
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db.prototype.__defineGetter__('length', function () {
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return Object.keys(this).length;
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});
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if (global.localStorage) {
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module.exports = localStorage;
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} else {
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module.exports = new LocalStorage();
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}
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}());
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