/*! @azure/msal-browser v5.7.0 2026-04-16 */
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'use strict';
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import { BrowserAuthError } from '../error/BrowserAuthError.mjs';
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import { DatabaseStorage } from './DatabaseStorage.mjs';
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import { MemoryStorage } from './MemoryStorage.mjs';
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import { databaseUnavailable } from '../error/BrowserAuthErrorCodes.mjs';
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/*
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License.
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*/
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/**
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* This class allows MSAL to store artifacts asynchronously using the DatabaseStorage IndexedDB wrapper,
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* backed up with the more volatile MemoryStorage object for cases in which IndexedDB may be unavailable.
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*/
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class AsyncMemoryStorage {
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constructor(logger) {
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this.inMemoryCache = new MemoryStorage();
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this.indexedDBCache = new DatabaseStorage();
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this.logger = logger;
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}
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handleDatabaseAccessError(error, correlationId) {
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if (error instanceof BrowserAuthError &&
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error.errorCode === databaseUnavailable) {
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this.logger.error("1wx7zz", correlationId);
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}
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else {
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throw error;
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}
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}
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/**
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* Get the item matching the given key. Tries in-memory cache first, then in the asynchronous
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* storage object if item isn't found in-memory.
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* @param key
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* @param correlationId
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*/
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async getItem(key, correlationId) {
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const item = this.inMemoryCache.getItem(key);
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if (!item) {
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try {
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this.logger.verbose("0naxpl", correlationId);
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return await this.indexedDBCache.getItem(key);
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}
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catch (e) {
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this.handleDatabaseAccessError(e, correlationId);
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}
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}
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return item;
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}
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/**
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* Sets the item in the in-memory cache and then tries to set it in the asynchronous
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* storage object with the given key.
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* @param key
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* @param value
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* @param correlationId
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*/
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async setItem(key, value, correlationId) {
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this.inMemoryCache.setItem(key, value);
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try {
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await this.indexedDBCache.setItem(key, value);
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}
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catch (e) {
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this.handleDatabaseAccessError(e, correlationId);
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}
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}
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/**
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* Removes the item matching the key from the in-memory cache, then tries to remove it from the asynchronous storage object.
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* @param key
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* @param correlationId
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*/
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async removeItem(key, correlationId) {
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this.inMemoryCache.removeItem(key);
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try {
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await this.indexedDBCache.removeItem(key);
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}
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catch (e) {
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this.handleDatabaseAccessError(e, correlationId);
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}
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}
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/**
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* Get all the keys from the in-memory cache as an iterable array of strings. If no keys are found, query the keys in the
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* asynchronous storage object.
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* @param correlationId
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*/
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async getKeys(correlationId) {
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const cacheKeys = this.inMemoryCache.getKeys();
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if (cacheKeys.length === 0) {
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try {
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this.logger.verbose("1iqrbq", correlationId);
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return await this.indexedDBCache.getKeys();
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}
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catch (e) {
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this.handleDatabaseAccessError(e, correlationId);
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}
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}
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return cacheKeys;
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}
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/**
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* Returns true or false if the given key is present in the cache.
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* @param key
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* @param correlationId
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*/
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async containsKey(key, correlationId) {
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const containsKey = this.inMemoryCache.containsKey(key);
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if (!containsKey) {
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try {
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this.logger.verbose("03zl2j", correlationId);
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return await this.indexedDBCache.containsKey(key);
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}
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catch (e) {
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this.handleDatabaseAccessError(e, correlationId);
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}
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}
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return containsKey;
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}
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/**
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* Clears in-memory Map
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* @param correlationId
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*/
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clearInMemory(correlationId) {
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// InMemory cache is a Map instance, clear is straightforward
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this.logger.verbose("03r21p", correlationId);
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this.inMemoryCache.clear();
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this.logger.verbose("0uksk1", correlationId);
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}
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/**
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* Tries to delete the IndexedDB database
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* @param correlationId
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* @returns
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*/
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async clearPersistent(correlationId) {
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try {
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this.logger.verbose("0rdqut", correlationId);
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const dbDeleted = await this.indexedDBCache.deleteDatabase();
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if (dbDeleted) {
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this.logger.verbose("149ouc", correlationId);
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}
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return dbDeleted;
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}
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catch (e) {
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this.handleDatabaseAccessError(e, correlationId);
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return false;
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}
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}
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}
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export { AsyncMemoryStorage };
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//# sourceMappingURL=AsyncMemoryStorage.mjs.map
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