Answers for "module not found can't resolve 'firebase/app'"

module not found: Can't resolve 'firebase'

import firebase from "firebase/compat/app";
import "firebase/compat/auth"
import "firebase/compat/firestore"

// add these import ^^

Module not found: Can't resolve 'firebase'

import { initializeApp } from 'firebase/app';

const firebaseConfig = {
  //...
};

const app = initializeApp(firebaseConfig);

Can't resolve 'firebase/app' in

npm install firebase