importScripts('https://www.gstatic.com/firebasejs/8.10.1/firebase-app.js'); importScripts('https://www.gstatic.com/firebasejs/8.10.1/firebase-messaging.js'); // // Initialize the Firebase app in the service worker by passing the generated config const firebaseConfig = { apiKey: "xxxxxxxxxxxxxxxxxxxxxxx", authDomain: "xxxxxxxxxxxxxxxxxxxxxxx", projectId: "xxxxxxxxxxxxxxxxxxxxxxx", storageBucket: "xxxxxxxxxxxxxxxxxxxxxxx", messagingSenderId: "xxxxxxxxxxxxxxxxxxxxxxx", appId: "xxxxxxxxxxxxxxxxxxxxxxx", measurementId: "xxxxxxxxxxxxxxxxxxxxxxx" }; firebase?.initializeApp(firebaseConfig) // Retrieve firebase messaging const messaging = firebase.messaging(); self.addEventListener('install', function (event) { console.log('Hello world from the Service Worker :call_me_hand:'); });