51 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			51 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | /* | ||
|  |  * This Source Code Form is subject to the terms of the Mozilla Public | ||
|  |  * License, v. 2.0. If a copy of the MPL was not distributed with this | ||
|  |  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 | ||
|  |  */ | ||
|  | 
 | ||
|  | 
 | ||
|  | /** | ||
|  |  * Save something to persistent storage. | ||
|  |  * @param {string} key | ||
|  |  * @param {string} value non-string values are converted to strings. | ||
|  |  * @returns {undefined} | ||
|  |  */ | ||
|  | function setStorage(key, value) { | ||
|  |     localStorage.setItem(key, value); | ||
|  | } | ||
|  | 
 | ||
|  | /** | ||
|  |  * Get an item from persistent storage. | ||
|  |  * @param {type} key | ||
|  |  * @returns {DOMString} | ||
|  |  */ | ||
|  | function getStorage(key) { | ||
|  |     return localStorage.getItem(key); | ||
|  | } | ||
|  | 
 | ||
|  | /** | ||
|  |  * Check if an item is in the persistent storage. | ||
|  |  * @param {string} key | ||
|  |  * @returns {Boolean} | ||
|  |  */ | ||
|  | function inStorage(key) { | ||
|  |     return localStorage.getItem(key) != null; | ||
|  | } | ||
|  | 
 | ||
|  | /** | ||
|  |  * Get all item from persistent storage. | ||
|  |  * @returns {Array} [{key: "", value: ""},...] | ||
|  |  */ | ||
|  | function getAllStorage() { | ||
|  |     var all = []; | ||
|  |     for (var key in localStorage) { | ||
|  |         if (localStorage.hasOwnProperty(key)) { | ||
|  |             all.push({ | ||
|  |                 key: key, | ||
|  |                 value: getStorage(key) | ||
|  |             }); | ||
|  |         } | ||
|  |     } | ||
|  |     return all; | ||
|  | } |