feat: Removed NotificationMessage class

notification_dispatcher/CHANGELOG.md

@@ -13,6 +13,7 @@
 
 ### Breaking
 - Removed `NotificationDispatcher.observers`.
+- Removed `NotificationMessage` in favour of a simple `Map<String, dynamic>`.
 
 ### Documentation
 - Tidied up documentation.

notification_dispatcher/lib/src/notification_dispatcher.dart

@@ -1,7 +1,5 @@
 import 'typedefs.dart';
 
-part 'notification_message.dart';
-
 /// Passes notifications around to registered observers. The class comes with a
 /// default instance named [NotificationDispatcher.instance].
 final class NotificationDispatcher {
@@ -54,12 +52,11 @@ final class NotificationDispatcher {
   /// running all callbacks registered with [name].
   /// {@endtemplate}
   void post({
-    Object? sender,
     required String name,
-    Map<String, dynamic>? info,
+    NotificationMessage? info,
   }) {
     for (final callback in _observers.values.toList()) {
-      callback[name]?.call(NotificationMessage._(sender: sender, info: info));
+      callback[name]?.call(info);
     }
 
     return;

notification_dispatcher/lib/src/typedefs.dart

@@ -1,4 +1,5 @@
-import 'notification_dispatcher.dart';
-
 /// Callback signature when receiving a notification.
-typedef NotificationCallback = void Function(NotificationMessage message);
+typedef NotificationCallback = void Function(NotificationMessage? message);
+
+/// The message being posted/received.
+typedef NotificationMessage = Map<String, dynamic>;