Answered by : disgusted-donkey-g2ey091e2w14

// v9 compat packages are API compatible with v8 code
import firebase from 'firebase/compat/app';
import 'firebase/compat/auth';
import 'firebase/compat/firestore';

Source : https://stackoverflow.com/questions/69814654/firebase-package-was-successfully-found-however-this-package-itself-specifie | Last Update : Thu, 09 Dec 21