importScripts("https://www.gstatic.com/firebasejs/9.1.3/firebase-app-compat.js");
importScripts("https://www.gstatic.com/firebasejs/9.1.3/firebase-messaging-compat.js");
firebase.initializeApp({
apiKey: "config data from general tab",
authDomain: "config data from general tab",
databaseURL: "config data from general tab",
projectId: "config data from general tab",
storageBucket: "config data from general tab",
messagingSenderId: "config data from general tab",
appId: "config data from general tab",
measurementId: "config data from general tab"
});
const messaging = firebase.messaging();