// 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/4.8.1/firebase-app.js'); importScripts('https://www.gstatic.com/firebasejs/4.8.1/firebase-messaging.js'); // Initialize the Firebase app in the service worker by passing in the // messagingSenderId. firebase.initializeApp({ 'messagingSenderId': 'YOUR-SENDER-ID' }); // Retrieve an instance of Firebase Messaging so that it can handle background // messages. const messaging = firebase.messaging(); messaging.setBackgroundMessageHandler(payload => { // const title = payload.data.title // const options = { // body: payload.data.text // } // return self.registration.showNotification(title, options) const title = payload.data.title new Notification(title, { body: payload.data.text}); })