firebase-js-sdk/packages/auth/index.web-extension.ts

/**
 * @license
 * Copyright 2023 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// Core functionality shared by all clients
export * from './src';

import { ClientPlatform } from './src/core/util/version';

import { indexedDBLocalPersistence } from './src/platform_browser/persistence/indexed_db';

import {
  TotpMultiFactorGenerator,
  TotpSecret
} from './src/mfa/assertions/totp';
import { FirebaseApp, getApp, _getProvider } from '@firebase/app';
import { Auth, connectAuthEmulator, initializeAuth } from './index.shared';
import { getDefaultEmulatorHost } from '@firebase/util';
import { registerAuth } from './src/core/auth/register';

/**
 * Returns the Auth instance associated with the provided {@link @firebase/app#FirebaseApp}.
 * If no instance exists, initializes an Auth instance with platform-specific default dependencies.
 *
 * @param app - The Firebase App.
 *
 * @public
 */
function getAuth(app: FirebaseApp = getApp()): Auth {
  const provider = _getProvider(app, 'auth');

  if (provider.isInitialized()) {
    return provider.getImmediate();
  }

  const auth = initializeAuth(app, {
    persistence: [indexedDBLocalPersistence]
  });

  const authEmulatorHost = getDefaultEmulatorHost('auth');
  if (authEmulatorHost) {
    connectAuthEmulator(auth, `http://${authEmulatorHost}`);
  }

  return auth;
}

registerAuth(ClientPlatform.WEB_EXTENSION);

export {
  indexedDBLocalPersistence,
  TotpMultiFactorGenerator,
  TotpSecret,
  getAuth
};