amazon-cognito-identity-js
Version:
Amazon Cognito Identity Provider JavaScript SDK
88 lines (78 loc) • 2.17 kB
JavaScript
/*!
* Copyright 2016 Amazon.com,
* Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Amazon Software License (the "License").
* You may not use this file except in compliance with the
* License. A copy of the License is located at
*
* http://aws.amazon.com/asl/
*
* or in the "license" file accompanying this file. This file is
* distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, express or implied. See the License
* for the specific language governing permissions and
* limitations under the License.
*/
let dataMemory = {};
/** @class */
class MemoryStorage {
/**
* This is used to set a specific item in storage
* @param {string} key - the key for the item
* @param {object} value - the value
* @returns {string} value that was set
*/
static setItem(key, value) {
dataMemory[key] = value;
return dataMemory[key];
}
/**
* This is used to get a specific key from storage
* @param {string} key - the key for the item
* This is used to clear the storage
* @returns {string} the data item
*/
static getItem(key) {
return Object.prototype.hasOwnProperty.call(dataMemory, key) ? dataMemory[key] : undefined;
}
/**
* This is used to remove an item from storage
* @param {string} key - the key being set
* @returns {string} value - value that was deleted
*/
static removeItem(key) {
return delete dataMemory[key];
}
/**
* This is used to clear the storage
* @returns {string} nothing
*/
static clear() {
dataMemory = {};
return dataMemory;
}
}
/** @class */
export default class StorageHelper {
/**
* This is used to get a storage object
* @returns {object} the storage
*/
constructor() {
try {
this.storageWindow = window.localStorage;
this.storageWindow.setItem('aws.cognito.test-ls', 1);
this.storageWindow.removeItem('aws.cognito.test-ls');
} catch (exception) {
this.storageWindow = MemoryStorage;
}
}
/**
* This is used to return the storage
* @returns {object} the storage
*/
getStorage() {
return this.storageWindow;
}
}