AngularJs browser session storage wrapper

BrowserStorage.js

/*jshint bitwise:true, camelcase:true, curly:true, eqeqeq:true, forin:true, latedef:true, newcap:true, noarg:true,
 noempty:true, nonew:true, undef:true, unused:true, strict:true, browser:true, camelcase:false */

/*globals
 _: false
 */

/*exported
 BrowserStorageFactory
 */
var BrowserStorageFactory = function () {
	'use strict';

	var storage = sessionStorage;

	return {

		get: function (item) {
			if (_.isFunction(storage.getItem)) {
				return JSON.parse(storage.getItem(item) || null);
			}
		},

		set: function (item, value) {
			if (_.isFunction(storage.setItem)) {
				storage.setItem(item, JSON.stringify(value));
			}
		},

		clear: function () {
			if (_.isFunction(storage.clear)) {
				storage.clear();
			}
		}
	};
};