AMD Web Storage Utils for Underscore.js

Utils.Extended.js

// @module Utils.Extended
define(
	'Utils.Extended'
,   [
		'Utils'
	,	'Backbone'
	,	'SC.Configuration'
	,	'underscore'
	]
,   function (
		Utils
	,	Backbone
	,	Configuration
	,	_
	)
{
	'use strict';

	// @class Utils.Extended @extends Utils
	return _.extend(Utils, {
		storageGet : function(key) {
			if (typeof(Storage) !== 'undefined') {
				var value = localStorage.getItem(key);

				try {
					value = value && JSON.parse(value);
				} catch(e) {}

				return value;
			} else {
				console.log('Sorry! No Web Storage support...');
			}
		}

	,	storageSet : function(key, value) {
			if (typeof(Storage) !== 'undefined') {
				if (_.isObject(value)) {
					value = JSON.stringify(value);
				}

				localStorage.setItem(key, value);
			} else {
				console.log('Sorry! No Web Storage support...');
			}
		}

	,	storageRemove : function(key) {
			if (typeof(Storage) !== 'undefined') {
				localStorage.removeItem(key);
			} else {
				console.log('Sorry! No Web Storage support...');
			}
		}

	,	storageClear : function() {
			if (typeof(Storage) !== 'undefined') {
				_.keys(localStorage).forEach(function(key) {
					if (key.startsWith('vehicle_')) {
						this.storageRemove(key);
					}
				}.bind(this));
			} else {
				console.log('Sorry! No Web Storage support...');
			}
		}
	});
});