[Solved] Cannot resolve module "firebase" from 'firebase.js' : Firebase could not be found within the project

Problem:  Getting an error "Cannot resolve module "firebase" from 'firebase.js': Firebase could not be found within the project" in react js project. Many times re-install the firebase module but the firebase module not working.

Solution:  First install the firebase package in your project with this command - 

npm install --save firebase

Change input way to :

import * as firebase from "firebase/app";

instead of:

import firebase from 'firebase'

import * as firebase from "firebase"

You can read more about this - https://firebase.google.com/docs/web/setup#node.js-apps

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