Web Firebase setup

web/firebase-messaging-sw.js

@@ -0,0 +1,27 @@
+importScripts('https://www.gstatic.com/firebasejs/9.22.2/firebase-app-compat.js');
+importScripts('https://www.gstatic.com/firebasejs/9.22.2/firebase-messaging-compat.js');
+
+// This file must be served with "Content-Type: application/javascript" and
+// placed at the root of the `web/` build output. Flutter web does not copy it
+// automatically, so ensure you add a manual copy step to your build script or
+// include it in `web/` before building.
+
+firebase.initializeApp({
+  // values must match `firebase_options.dart` generated by `flutterfire`
+  apiKey: 'AIzaSyBKGSaHYiqpZvbEgsvJJY45soiIkV6MV3M',
+    appId: '1:173359574734:web:f894a6b43a443e902baa9f',
+    messagingSenderId: '173359574734',
+    projectId: 'tasq-17fb3',
+    authDomain: 'tasq-17fb3.firebaseapp.com',
+    storageBucket: 'tasq-17fb3.firebasestorage.app',
+});
+
+const messaging = firebase.messaging();
+
+messaging.onBackgroundMessage(function(payload) {
+  // display a notification using data in the payload
+  self.registration.showNotification(payload.notification.title, {
+    body: payload.notification.body,
+    data: payload.data,
+  });
+});