Map items of collection snapshot in Firebase Firestore

Question

Firebase Firestore Guides show how to iterate documents in a collection snapshot with forEach:

db.collection(\"cities\").get().then(function(que         


        

Answer 1

// https://firebase.google.com/docs/firestore/query-data/get-data
const querySnapshot = await db.collection("students").get();

// https://firebase.google.com/docs/reference/js/firebase.firestore.QuerySnapshot?authuser=0#docs
querySnapshot.docs.map((doc) => ({ id: doc.id, ...doc.data() }));