text: // Give the service worker access to Firebase Messaging.
  // Note that you can only use Firebase Messaging here, other Firebase libraries
  // are not available in the service worker.
  importScripts('https://www.gstatic.com/firebasejs/6.0.2/firebase-app.js');
  importScripts('https://www.gstatic.com/firebasejs/6.0.2/firebase-messaging.js');
  
  // Initialize the Firebase app in the service worker by passing in the
  // messagingSenderId.
  firebase.initializeApp({
      'messagingSenderId': '378663620953'
  });
  
  
  // Retrieve an instance of Firebase Messaging so that it can handle background
  // messages.
  const messaging = firebase.messaging();
  
  
  messaging.setBackgroundMessageHandler(function (payload) {
      // console.log('[firebase-messaging-sw.js] Received background message ', payload);
      // Customize notification here
      var notificationTitle = 'New Order on Ecommero';
      var notificationOptions = {
          body: payload.data.orderid,
          icon: 'https://ecommero.ninjascode.com/assets/images/logo.png'
      };
  
      return self.registration.showNotification(notificationTitle,
          notificationOptions);
  });