in codelab-final-state/public/js/homepage.js [25:39]
export async function onDocumentReady(firebaseApp) {
console.log("Firebase Config", JSON.stringify(firebaseApp.options));
const auth = firebaseApp.auth();
const db = firebaseApp.firestore();
if (location.hostname === "localhost") {
console.log("localhost detected!");
auth.useEmulator("http://localhost:9099");
db.useEmulator("localhost", 8080);
}
const homePage = new HomePage(db, auth);
mount(document.body, homePage);
}