importScripts("https://www.gstatic.com/firebasejs/9.10.0/firebase-app-compat.js");
importScripts("https://www.gstatic.com/firebasejs/9.10.0/firebase-messaging-compat.js");

firebase.initializeApp({
    apiKey: "...",
    authDomain: "...",
    databaseURL: "...",
    projectId: "...",
    storageBucket: "...",
    messagingSenderId: "...",
    appId: "...",
});