Method constructor

src/compat/auth/auth.ts:87–199

(
    @Inject(FIREBASE_OPTIONS) options: FirebaseOptions,
    @Optional() @Inject(FIREBASE_APP_NAME) name: string|null|undefined,
    // eslint-disable-next-line @typescript-eslint/ban-types
    @Inject(PLATFORM_ID) platformId: Object,
    zone: NgZone,
    schedulers: ɵAngularFireSchedulers,
    @Optional() @Inject(USE_EMULATOR) useEmulator: any, // can't use the tuple here
    @Optional() @Inject(SETTINGS) settings: any, // can't use firebase.auth.AuthSettings here
    @Optional() @Inject(TENANT_ID) tenantId: string | null,
    @Optional() @Inject(LANGUAGE_CODE) languageCode: string | null,
    @Optional() @Inject(USE_DEVICE_LANGUAGE) useDeviceLanguage: boolean | null,
    @Optional() @Inject(PERSISTENCE) persistence: string | null,
    @Optional() _appCheckInstances: AppCheckInstances,
  )

  public readonly credential: Observable<Required<firebase.auth.UserCredential>|null>;

  constructor(
    @Inject(FIREBASE_OPTIONS) options: FirebaseOptions,
    @Optional() @Inject(FIREBASE_APP_NAME) name: string|null|undefined,
    // eslint-disable-next-line @typescript-eslint/ban-types
    @Inject(PLATFORM_ID) platformId: Object,
    zone: NgZone,
    schedulers: ɵAngularFireSchedulers,
    @Optional() @Inject(USE_EMULATOR) useEmulator: any, // can't use the tuple here
    @Optional() @Inject(SETTINGS) settings: any, // can't use firebase.auth.AuthSettings here
    @Optional() @Inject(TENANT_ID) tenantId: string | null,
    @Optional() @Inject(LANGUAGE_CODE) languageCode: string | null,
    @Optional() @Inject(USE_DEVICE_LANGUAGE) useDeviceLanguage: boolean | null,
    @Optional() @Inject(PERSISTENCE) persistence: string | null,
    @Optional() _appCheckInstances: AppCheckInstances,
  ) {
    const logins = new Subject<Required<firebase.auth.UserCredential>>();

    const auth = of(undefined).pipe(
      observeOn(schedulers.outsideAngular),
      switchMap(() => zone.runOutsideAngular(() => import('firebase/compat/auth'))),
      map(() => ɵfirebaseAppFactory(options, zone, name)),
      map(app => ɵauthFactory(app, zone, useEmulator, tenantId, languageCode, useDeviceLanguage, settings, persistence)),
      shareReplay({ bufferSize: 1, refCount: false }),
    );

    if (isPlatformServer(platformId)) {

      this.authState = this.user = this.idToken = this.idTokenResult = this.credential = of(null);

    } else {

      // HACK, as we're exporting auth.Auth, rather than auth, developers importing firebase.auth
      //       (e.g, `import { auth } from 'firebase/compat/app'`) are getting an undefined auth object unexpectedly
      //       as we're completely lazy. Let's eagerly load the Auth SDK here.
      //       There could potentially be race conditions still... but this greatly decreases the odds while
      //       we reevaluate the API.
      auth.pipe(first()).subscribe();

      const redirectResult = auth.pipe(
        switchMap(auth => auth.getRedirectResult().then(it => it, () => null)),
        pendingUntilEvent(this.injector),
        shareReplay({ bufferSize: 1, refCount: false }),
      );

      const authStateChanged = auth.pipe(
        switchMap(auth => new Observable<firebase.User|null>(sub =>
          ({ unsubscribe: zone.runOutsideAngular(() => auth.onAuthStateChanged(
            next => sub.next(next),
            err => sub.error(err),
            () => sub.complete()
          ))})
        )),
      );

      const idTokenChanged = auth.pipe(
        switchMap(auth => new Observable<firebase.User|null>(sub =>
          ({ unsubscribe: zone.runOutsideAngular(() => auth.onIdTokenChanged(
            next => sub.next(next),