firebase firestore get document id code example
Example 1: firestore get id of new document
async function addCity(newCity) {
const { id } = await db.collection("cities").add(newCity)
console.log("the new city's id:", id)
}
Example 2: get one document based on id in firestore
//retrieve one document and save it to userDetails
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;
});
});