Save data to firebase (firestore)

firestore.js

const firebase = require('firebase');
require('firebase/firestore');

// firebase DB
const firebaseConfig = {
    apiKey: '',
    authDomain: '',
    projectId: "",
    storageBucket: "",
    messagingSenderId: "",
    appId: "",
    measurementId: ""
};

firebase.initializeApp(firebaseConfig);

const db = firebase.firestore();
const COLLECTION_NAME = 'collection-name';

const saveDataToFirestore = (data) => {
    db.collection(COLLECTION_NAME)
        .doc('doc-name')
        .set({
            data,
        })
        .then((docRef) => {
            console.log(`Saved data: ${data}`);
        })
        .catch((error) => {
            console.error("Error adding document: ", error);
        });
};