ngStorage.js

(function () {
	'use strict';
	angular.module('app')
		.factory('Storage', [function () {
			var fn = {};
			
			fn.has = function (key) {
				var value = window.localStorage.getItem(key);
				return !!value;
			}
			
			fn.get = function (key) {
				if (!fn.has(key)) return false;
				return JSON.parse(window.localStorage.get(key));
			}
			
			fn.set = function (key, value) {
				var v = (typeof value === 'object') ? JSON.stringify(value) : value;
				window.localStorage.set(key, v);
			}
			
			return fn;
		}]);
})();