get data from cloud firestore
App.js
import { useEffect, useState } from 'react';
import db from './firebase';
import { collection, getDocs } from 'firebase/firestore';
function App(){
const [posts, setPosts] = useState([]);
useEffect( ()=>{
const postData = collection(db, 'posts'); <--postsはFierbaseのHP上で決めたコレクションの名前
getDocs(postData).then( (snapshot)=>{
console.log( snapShot.docs.map((doc)=>doc) );
});
});
return <div className='App'></div>;
}
export default App;