// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Simple API for set/get to sessionstorage, with cacherev expiration.
*
* Session storage will only persist for as long as the browser window
* stays open.
*
* See:
* https://developer.mozilla.org/en-US/docs/Web/API/Window/sessionStorage
*
* @module core/sessionstorage
* @copyright 2017 Ryan Wyllie <ryan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
define(['core/config', 'core/storagewrapper'], function(config, StorageWrapper) {
// Private functions and variables.
/** @var {Object} StorageWrapper - Wraps browsers sessionStorage object */
var storage = new StorageWrapper(window.sessionStorage);
return /** @alias module:core/sessionstorage */ {
/**
* Get a value from session storage. Remember - all values must be strings.
*
* @method get
* @param {string} key The cache key to check.
* @return {boolean|string} False if the value is not in the cache, or some other error - a string otherwise.
*/
get: function(key) {
return storage.get(key);
},
/**
* Set a value to session storage. Remember - all values must be strings.
*
* @method set
* @param {string} key The cache key to set.
* @param {string} value The value to set.
* @return {boolean} False if the value can't be saved in the cache, or some other error - true otherwise.
*/
set: function(key, value) {
return storage.set(key, value);
}
};
});