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()))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()))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)
}Copyright © 2021 Codeinu
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