get one document firestore code example
Example 1: get data in from a collection firestore
db.collection("users").get().then((querySnapshot) => {
querySnapshot.forEach((doc) => {
console.log(`${doc.id} => ${doc.data()}`);
});
Example 2: get one document based on id in firestore
const [userDetails, setUserDetails] = useState('')
db.collection('users').doc(id).get()
.then(snapshot => setUserDetails(snapshot.data()))
Example 3: get doc id firestore
const racesCollection: AngularFirestoreCollection<Race>;
return racesCollection.snapshotChanges().map(actions => {
return actions.map(a => {
const data = a.payload.doc.data() as Race;
data.id = a.payload.doc.id;
return data;
});
});