import { doc, setDoc } from "firebase/firestore";
// Add a new document in collection "cities"
await setDoc(doc(db, "cities", "LA"), {
name: "Los Angeles",
state: "CA",
country: "USA"
});let data = {
name: 'Los Angeles',
state: 'CA',
country: 'USA'
};
// Add a new document in collection "cities" with ID 'LA'
let setDoc = db.collection('cities').doc('LA').set(data);// Add a new document in collection "cities"
db.collection("cities").doc("LA").set({
name: "Los Angeles",
state: "CA",
country: "USA"
})
.then(() => {
console.log("Document successfully written!");
})
.catch((error) => {
console.error("Error writing document: ", error);
});Adding new document with auto generated id
//imports
import { db } from "../../config/firebase.config";
import { collection, addDoc } from "firebase/firestore";
//code inside component
const addData = async () => {
collectionRef = collection(db, "collectionName")
payload = { whatever your payload is }
await addDoc(collectionRef, payload)
}