JG_LocalStorage helper methods for javascript localStorage

JG_Localstorage

/**
* Various localStorage method helpers for setting,
* getting and checking localStorage data.
*/
JG_LocalStorage = (function () {
'use strict';

	return {
	    /* add data to localStorage */
	    set: function (key, value) {
	
	        /* if the value is an object, stringify it to save it in localStorage */
	        if (typeof value === 'object') {
	            value = JSON.stringify(value);
	        }
	
	        localStorage.setItem(key, value);
	    },
	    /* retrieve data from localStorage object */
	    get: function (key) {
	        var data;
	
	        if (!this.hasData(key)) {
	            return false;
	        }
	
	        data = localStorage[key];
	
	        /* if the data is JSON, try to parse */
	        try {
	            return JSON.parse(data);
	        } catch (e) {
	            return data;
	        }
	    },
	    /* check if the item exists and it has data */
	    hasData: function (key) {
	        return !!localStorage[key] && !!localStorage[key].length;
	    }
	};
}());