Local storage helper AMD module to allow serialization of any data type

LocalStorageHelper.js

/**
 * @fileOverview LocalStorageHelper RequireJS AMD Module File
 *
 * @author Russell Dempsey <rdempsey@nerdery.com>
 * @version 1.0
 */
define(function(require, module, exports) {
    'use strict';
    
    //includes
    //var something = require('something');

    /**
     * Constructs a LocalStorageHelper object;
     *
     * @name LocalStorageHelper
     * @class LocalStorageHelper Assists with serializing and deserializing data to localStorage
     * @constructor
     *
     * @since 1.0
     */
    var LocalStorageHelper = function() {
        this.init();
    };
    
    var proto = LocalStorageHelper.prototype;

    /**
     * Initializes the Module
     *
     * @method init
     * @returns {LocalStorageHelper}
     * @since 1.0
     */
    proto.init = function() {

        return this;
    };
    
    /**
     * Gets the value for the key that was passed.
     * 
     * @method getValue
     * @param  {String} key The key of some value that's saved in localstorage.
     * 
     * @return {String|Function|Array|Object|Boolean}     The deserialized object from localstorage.
     */
    proto.getValue = function(key) {
        var value = localStorage[key];
        var result;
        
        if (localStorage[key])
        {
            try {
                result = JSON.parse(value);
            } catch(e) {
                result = value;
            }
        }
        
        return result;
        
    };
    
    /**
     * Sets the key to the serialized version of value in localstorage, and confirms that it was saved properly.
     * 
     * @param {String} key   A hash key string
     * @param {String|Function|Array|Object|Boolean} value 
     */
    proto.setValue = function(key, value) {
        localStorage[key] = JSON.stringify(value);
        
        if (this._compare(key, value)) {
            return true;
        } else {
            delete localStorage[key];
            return false;
        }
    };
    
    /**
     * 
     * 
     * @method _wasSaved
     * @param  {String} key   A hash key string
     * @param  {String|Function|Array|Object|Boolean} value     Some value of any type
     * @return {Boolean}       whether or not the deserialized saved value matches the actual value
     */
    proto._wasSaved = function(key, value) {
        return this.getValue(key) === value;
    };
    
    //TODO: add a function to validate keys

    // Return the module
    return LocalStorageHelper;
});