Class Auth

packages/firebase-auth/index.android.ts:960–1465

const NSFirebaseAuth = lazy(() => org.nativescript.firebase.auth.FirebaseAuth);

export class Auth implements IAuth {
	_native: com.google.firebase.auth.FirebaseAuth;

	constructor(app?: FirebaseApp) {
		if (app?.native) {
			this._native = com.google.firebase.auth.FirebaseAuth.getInstance(app.native);
		} else {
			if (defaultAuth) {
				return defaultAuth;
			}
			defaultAuth = this;
		}
	}

	useEmulator(host: string, port: number) {
		this.native.useEmulator(host === 'localhost' || host === '127.0.0.1' ? '10.0.2.2' : host, port);
	}

	fetchSignInMethodsForEmail(email: string): Promise<string[]> {
		return new Promise((resolve, reject) => {
			if (!this.native) {
				reject();
			}
			NSFirebaseAuth().fetchSignInMethodsForEmail(
				this.native,
				email,
				new org.nativescript.firebase.auth.FirebaseAuth.Callback({
					onSuccess(success) {
						const nativeArray = success.getSignInMethods().toArray();
						const arr = [];
						for (let i = 0; i < nativeArray.length; i++) {
							arr.push(nativeArray[i]);
						}
						resolve(arr);
					},
					onError(error) {
						reject({
							message: error.getMessage(),
							native: error,
						});
					},
				})
			);
		});
	}

	isSignInWithEmailLink(emailLink: string): boolean {
		return this.native.isSignInWithEmailLink(emailLink);
	}

	_authStateChangeListeners = new Map();

	addAuthStateChangeListener(listener: (user: User) => void) {
		if (this.native && typeof listener === 'function') {
			const nativeListener = new com.google.firebase.auth.FirebaseAuth.AuthStateListener({
				onAuthStateChanged(auth: com.google.firebase.auth.FirebaseAuth) {
					listener(User.fromNative(auth.getCurrentUser()));
				},