“Firebase Auth React importieren” Code-Antworten

Firebase Auth React importieren

import { initializeApp } from "firebase/app";
import {
  GoogleAuthProvider,
  getAuth,
  signInWithPopup,
  signInWithEmailAndPassword,
  createUserWithEmailAndPassword,
  sendPasswordResetEmail,
  signOut,
} from "firebase/auth";
import {
  getFirestore,
  query,
  getDocs,
  collection,
  where,
  addDoc,
} from "firebase/firestore";
const firebaseConfig = {
  apiKey: "AIzaSyDIXJ5YT7hoNbBFqK3TBcV41-TzIO-7n7w",
  authDomain: "fir-auth-6edd8.firebaseapp.com",
  projectId: "fir-auth-6edd8",
  storageBucket: "fir-auth-6edd8.appspot.com",
  messagingSenderId: "904760319835",
  appId: "1:904760319835:web:44fd0d957f114b4e51447e",
  measurementId: "G-Q4TYKH9GG7",
};
const app = initializeApp(firebaseConfig);
const auth = getAuth(app);
const db = getFirestore(app);
const googleProvider = new GoogleAuthProvider();
const signInWithGoogle = async () => {
  try {
    const res = await signInWithPopup(auth, googleProvider);
    const user = res.user;
    const q = query(collection(db, "users"), where("uid", "==", user.uid));
    const docs = await getDocs(q);
    if (docs.docs.length === 0) {
      await addDoc(collection(db, "users"), {
        uid: user.uid,
        name: user.displayName,
        authProvider: "google",
        email: user.email,
      });
    }
  } catch (err) {
    console.error(err);
    alert(err.message);
  }
};
const logInWithEmailAndPassword = async (email, password) => {
  try {
    await signInWithEmailAndPassword(auth, email, password);
  } catch (err) {
    console.error(err);
    alert(err.message);
  }
};
const registerWithEmailAndPassword = async (name, email, password) => {
  try {
    const res = await createUserWithEmailAndPassword(auth, email, password);
    const user = res.user;
    await addDoc(collection(db, "users"), {
      uid: user.uid,
      name,
      authProvider: "local",
      email,
    });
  } catch (err) {
    console.error(err);
    alert(err.message);
  }
};
const sendPasswordReset = async (email) => {
  try {
    await sendPasswordResetEmail(auth, email);
    alert("Password reset link sent!");
  } catch (err) {
    console.error(err);
    alert(err.message);
  }
};
const logout = () => {
  signOut(auth);
};
export {
  auth,
  db,
  signInWithGoogle,
  logInWithEmailAndPassword,
  registerWithEmailAndPassword,
  sendPasswordReset,
  logout,
};
surya sama

Firebase Auth React importieren

import React, { useEffect, useState } from "react";
import { Link, useNavigate } from "react-router-dom";
import { auth, signInWithEmailAndPassword, signInWithGoogle } from "./firebase";
import { useAuthState } from "react-firebase-hooks/auth";
import "./Login.css";
function Login() {
  const [email, setEmail] = useState("");
  const [password, setPassword] = useState("");
  const [user, loading, error] = useAuthState(auth);
  const navigate = useNavigate();
  useEffect(() => {
    if (loading) {
      // maybe trigger a loading screen
      return;
    }
    if (user) navigate("/dashboard");
  }, [user, loading]);
  return (
    <div className="login">
      <div className="login__container">
        <input
          type="text"
          className="login__textBox"
          value={email}
          onChange={(e) => setEmail(e.target.value)}
          placeholder="E-mail Address"
        />
        <input
          type="password"
          className="login__textBox"
          value={password}
          onChange={(e) => setPassword(e.target.value)}
          placeholder="Password"
        />
        <button
          className="login__btn"
          onClick={() => signInWithEmailAndPassword(email, password)}
        >
          Login
        </button>
        <button className="login__btn login__google" onClick={signInWithGoogle}>
          Login with Google
        </button>
        <div>
          <Link to="/reset">Forgot Password</Link>
        </div>
        <div>
          Don't have an account? <Link to="/register">Register</Link> now.
        </div>
      </div>
    </div>
  );
}
export default Login;
surya sama

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