gistfile1.txt

import * as firebase from 'firebase/app';
import 'firebase/messaging'

// // Initialize Firebase
firebase.initializeApp({
  'messagingSenderId': '744798928283'
});

navigator.serviceWorker.register('firebase-messaging-sw.js', {scope: "firebase-cloud-messaging-push-scope"})
  .then((registration) => {
      const messaging = firebase.messaging();
      messaging.useServiceWorker(registration);

  }).catch(err => {
      console.log(err)
  })

// fiebase configs end