amazon-cognito-identity-js/es/StorageHelper.js

Amazon Cognito Identity Provider JavaScript SDK

/*!
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0
 */

var dataMemory = {};

/** @class */
export var MemoryStorage = /*#__PURE__*/function () {
  function 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
   */
  MemoryStorage.setItem = function 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
   */;
  MemoryStorage.getItem = function 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 {boolean} return true
   */;
  MemoryStorage.removeItem = function removeItem(key) {
    return delete dataMemory[key];
  }

  /**
   * This is used to clear the storage
   * @returns {string} nothing
   */;
  MemoryStorage.clear = function clear() {
    dataMemory = {};
    return dataMemory;
  };
  return MemoryStorage;
}();

/** @class */
var StorageHelper = /*#__PURE__*/function () {
  /**
   * This is used to get a storage object
   * @returns {object} the storage
   */
  function StorageHelper() {
    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
   */
  var _proto = StorageHelper.prototype;
  _proto.getStorage = function getStorage() {
    return this.storageWindow;
  };
  return StorageHelper;
}();
export { StorageHelper as default };