navihate to notificatons when after click on push notification

lib/core/routes/app_routes.dart

@@ -50,11 +50,14 @@ class LoginScreenRoute extends GoRouteData with _$LoginScreenRoute {
 // splash route - outside the shell
 @TypedGoRoute<SplashScreenRoute>(path: '/splash')
 class SplashScreenRoute extends GoRouteData with _$SplashScreenRoute {
-  const SplashScreenRoute();
+  final bool? navigateToNotification;
+  const SplashScreenRoute({this.navigateToNotification});
 
   @override
   Widget build(BuildContext context, GoRouterState state) {
-    return const SplashScreen();
+    return SplashScreen(
+      navigateToNotification: navigateToNotification ?? false,
+    );
   }
 }
 

lib/core/routes/app_routes.g.dart

@@ -51,11 +51,24 @@ RouteBase get $splashScreenRoute => GoRouteData.$route(
 );
 
 mixin _$SplashScreenRoute on GoRouteData {
-  static SplashScreenRoute _fromState(GoRouterState state) =>
-      const SplashScreenRoute();
+  static SplashScreenRoute _fromState(GoRouterState state) => SplashScreenRoute(
+    navigateToNotification: _$convertMapValue(
+      'navigate-to-notification',
+      state.uri.queryParameters,
+      _$boolConverter,
+    ),
+  );
+
+  SplashScreenRoute get _self => this as SplashScreenRoute;
 
   @override
-  String get location => GoRouteData.$location('/splash');
+  String get location => GoRouteData.$location(
+    '/splash',
+    queryParams: {
+      if (_self.navigateToNotification != null)
+        'navigate-to-notification': _self.navigateToNotification!.toString(),
+    },
+  );
 
   @override
   void go(BuildContext context) => context.go(location);
@@ -71,6 +84,26 @@ mixin _$SplashScreenRoute on GoRouteData {
   void replace(BuildContext context) => context.replace(location);
 }
 
+T? _$convertMapValue<T>(
+  String key,
+  Map<String, String> map,
+  T? Function(String) converter,
+) {
+  final value = map[key];
+  return value == null ? null : converter(value);
+}
+
+bool _$boolConverter(String value) {
+  switch (value) {
+    case 'true':
+      return true;
+    case 'false':
+      return false;
+    default:
+      throw UnsupportedError('Cannot convert "$value" into a bool.');
+  }
+}
+
 RouteBase get $appShellRouteData => StatefulShellRouteData.$route(
   parentNavigatorKey: AppShellRouteData.$parentNavigatorKey,
   factory: $AppShellRouteDataExtension._fromState,