I'm trying to setup Firebase's V9 emulators with Next.js without any luck. I'm always getting this error,

My firebase version is, 9.1.1.

My Firebase setup looks like this:

import { initializeApp, FirebaseApp } from "firebase/app";
import { initializeApp, FirebaseApp } from "firebase/app";
import firebase from "firebase/compat/app";
import { getAuth, connectAuthEmulator, Auth } from "firebase/auth";
import {
  getFirestore,
  connectFirestoreEmulator,
  Firestore,
} from "firebase/firestore";
import {
  getStorage,
  connectStorageEmulator,
  FirebaseStorage,
} from "firebase/storage";
import {
  getDatabase,
  connectDatabaseEmulator,
  Database,
} from "firebase/database";

let firebaseApp: FirebaseApp;
let auth: Auth;
let firestore: Firestore;
let storage: FirebaseStorage;
let db: Database;

if (!firebase.apps.length) {
  firebaseApp = initializeApp(clientCredentials);
  auth = getAuth(firebaseApp);
  firestore = getFirestore(firebaseApp);
  storage = getStorage(firebaseApp);
  db = getDatabase(firebaseApp);
}

if (IS_DEV) {
  connectFirestoreEmulator(firestore, "localhost", 8080);
  connectAuthEmulator(auth, "http://localhost:9099", { disableWarnings: true });
  connectDatabaseEmulator(db, "localhost", 9000);
  connectStorageEmulator(storage, "localhost", 9199);
}

export { firebaseApp, auth, firestore, storage, db }

I've made sure there's no calling of my firestore object. As soon as Next.js starts up, I get that error.