feat(firebase_messaging, web): Added serviceWorkerRegistration to GetTokenOptions

packages/firebase_messaging/firebase_messaging/lib/src/messaging.dart

@@ -116,9 +116,11 @@ class FirebaseMessaging extends FirebasePluginPlatform {
   /// On web, a [vapidKey] is required.
   Future<String?> getToken({
     String? vapidKey,
+    Object? serviceWorkerRegistration,
   }) {
     return _delegate.getToken(
       vapidKey: vapidKey,
+      serviceWorkerRegistration: serviceWorkerRegistration,
     );
   }
 

packages/firebase_messaging/firebase_messaging/test/mock.dart

@@ -96,9 +96,9 @@ class MockFirebaseMessaging extends Mock
   }
 
   @override
-  Future<String> getToken({String? vapidKey}) {
+  Future<String> getToken({String? vapidKey, Object? serviceWorkerRegistration}) {
     return super.noSuchMethod(
-        Invocation.method(#getToken, [], {#vapidKey: vapidKey}),
+        Invocation.method(#getToken, [], {#vapidKey: vapidKey, #serviceWorkerRegistration: serviceWorkerRegistration}),
         returnValue: Future<String>.value(''),
         returnValueForMissingStub: Future<String>.value(''));
   }

packages/firebase_messaging/firebase_messaging_platform_interface/lib/src/method_channel/method_channel_messaging.dart

@@ -240,6 +240,7 @@ class MethodChannelFirebaseMessaging extends FirebaseMessagingPlatform {
   @override
   Future<String?> getToken({
     String? vapidKey, // not used yet; web only property
+    Object? serviceWorkerRegistration, // not used yet; web only property
   }) async {
     await _APNSTokenCheck();
 

packages/firebase_messaging/firebase_messaging_platform_interface/lib/src/platform_interface/platform_interface_messaging.dart

@@ -173,6 +173,8 @@ abstract class FirebaseMessagingPlatform extends PlatformInterface {
   /// Returns the default FCM token for this device and optionally [senderId].
   Future<String?> getToken({
     String? vapidKey,
+    // Should always be a ServiceWorkerRegistration
+    Object? serviceWorkerRegistration,
   }) {
     throw UnimplementedError('getToken() is not implemented');
   }

packages/firebase_messaging/firebase_messaging_web/lib/firebase_messaging_web.dart

@@ -106,7 +106,8 @@ class FirebaseMessagingWeb extends FirebaseMessagingPlatform {
   }
 
   @override
-  Future<String?> getToken({String? vapidKey}) async {
+  Future<String?> getToken({String? vapidKey, Object? serviceWorkerRegistration}) async {
+    assert(serviceWorkerRegistration is web.ServiceWorkerRegistration);
     _delegate;
 
     if (!_initialized) {
@@ -115,7 +116,7 @@ class FirebaseMessagingWeb extends FirebaseMessagingPlatform {
     }
 
     return convertWebExceptions(
-      () => _delegate.getToken(vapidKey: vapidKey),
+      () => _delegate.getToken(vapidKey: vapidKey, serviceWorkerRegistration: serviceWorkerRegistration as web.ServiceWorkerRegistration?),
     );
   }
 

packages/firebase_messaging/firebase_messaging_web/lib/src/interop/messaging.dart

@@ -9,6 +9,7 @@ import 'dart:async';
 import 'dart:js_interop';
 
 import 'package:firebase_core_web/firebase_core_web_interop.dart';
+import 'package:web/web.dart' as web;
 
 import 'messaging_interop.dart' as messaging_interop;
 
@@ -43,15 +44,16 @@ class Messaging extends JsObjectWrapper<messaging_interop.MessagingJsImpl> {
 
   /// After calling [requestPermission] you can call this method to get an FCM registration token
   /// that can be used to send push messages to this user.
-  Future<String> getToken({String? vapidKey}) async {
+  Future<String> getToken({String? vapidKey, web.ServiceWorkerRegistration? serviceWorkerRegistration}) async {
     try {
       final token = (await messaging_interop
               .getToken(
                   jsObject,
                   vapidKey == null
                       ? null
                       : messaging_interop.GetTokenOptions(
-                          vapidKey: vapidKey.toJS))
+                          vapidKey: vapidKey.toJS,
+                          serviceWorkerRegistration: serviceWorkerRegistration))
               .toDart)
           .toDart;
       return token;

packages/firebase_messaging/firebase_messaging_web/lib/src/interop/messaging_interop.dart

@@ -11,6 +11,7 @@ library;
 import 'dart:js_interop';
 
 import 'package:firebase_core_web/firebase_core_web_interop.dart';
+import 'package:web/web.dart' as web;
 
 @JS()
 @staticInterop
@@ -56,11 +57,9 @@ extension ObserverJsImplX on Observer {
 @staticInterop
 @anonymous
 class GetTokenOptions {
-  // TODO - I imagine we won't be implementing serviceWorkerRegistration type as it extends EventTarget class
-  // external String get serviceWorkerRegistration
   external factory GetTokenOptions({
     JSString? vapidKey,
-    /*dynamic serviceWorkerRegistration */
+    web.ServiceWorkerRegistration? serviceWorkerRegistration
   });
 }