Function provideFirebaseApp

src/app/app.module.ts:78–94

(fn: (injector: Injector) => IFirebaseApp, ...deps: any[])

// injection scope. This allows developers to more easily work with multiple Firebase Applications. Downside
// is that DI for app name and options doesn't really make sense anymore.
export function provideFirebaseApp(fn: (injector: Injector) => IFirebaseApp, ...deps: any[]): EnvironmentProviders {
  return makeEnvironmentProviders([
    DEFAULT_FIREBASE_APP_PROVIDER,
    FIREBASE_APPS_PROVIDER,
    {
      provide: PROVIDED_FIREBASE_APPS,
      useFactory: firebaseAppFactory(fn),
      multi: true,
      deps: [
        NgZone,
        Injector,
        ɵAngularFireSchedulers,
        ...deps,
      ],
    }
  ])
}