Ionic 5 Facebook Login - On Login Success

(partial) home.page.ts

 onLoginSuccess(res: FacebookLoginResponse) {
    const credential = firebase.auth.FacebookAuthProvider.credential(res.authResponse.accessToken);
    this.fireAuth.signInWithCredential(credential)
      .then((response) => {
        this.router.navigate(['/profile']);
        this.loading.dismiss();
      });
  }