recieve data from firebase database code example

Example: recieve data from firebase database

const [rooms, setRooms] = useState([]);

useEffect(() => {
	const getRooms = db.collection('rooms').onSnapshot((snapshot) => {
		setRooms(
			snapshot.docs.map((doc) => {
				return { id: doc.id, data: doc.data() };
			})
		);
	});
		return () => {
		getRooms();
	};
}, []);