firebase.js

import { initializeApp } from "https://www.gstatic.com/firebasejs/10.14.0/firebase-app.js";
import { getAuth, createUserWithEmailAndPassword, signInWithEmailAndPassword, onAuthStateChanged, signOut, sendEmailVerification, RecaptchaVerifier, signInWithPhoneNumber, GoogleAuthProvider, signInWithPopup, FacebookAuthProvider } from "https://www.gstatic.com/firebasejs/10.14.0/firebase-auth.js";

const firebaseConfig = {
    // Your web app's Firebase configuration 
};

//Initializa App
const app = initializeApp(firebaseConfig);
const auth = getAuth(app);
const googleProvider = new GoogleAuthProvider();
const facebookProvider = new FacebookAuthProvider();
auth.languageCode = 'en';

export {
    auth,
    createUserWithEmailAndPassword,
    signInWithEmailAndPassword,
    onAuthStateChanged,
    signOut,
    sendEmailVerification,
    RecaptchaVerifier,
    signInWithPhoneNumber,
    GoogleAuthProvider,
    googleProvider,
    signInWithPopup,
    FacebookAuthProvider,
    facebookProvider
}