[go_router_builder]: Handle invaild params

packages/go_router_builder/CHANGELOG.md

@@ -1,3 +1,6 @@
+## 2.7.4
+
+- Fixes an issue when navigate to router with invalid params 
 
 ## 2.7.3
 

packages/go_router_builder/example/lib/all_types.dart

@@ -12,6 +12,7 @@ import 'shared/data.dart';
 part 'all_types.g.dart';
 
 @TypedGoRoute<AllTypesBaseRoute>(path: '/', routes: <TypedGoRoute<GoRouteData>>[
+  TypedGoRoute<InvalidPageRoute>(path: 'invalid-page'),
   TypedGoRoute<BigIntRoute>(path: 'big-int-route/:requiredBigIntField'),
   TypedGoRoute<BoolRoute>(path: 'bool-route/:requiredBoolField'),
   TypedGoRoute<DateTimeRoute>(path: 'date-time-route/:requiredDateTimeField'),
@@ -39,6 +40,22 @@ class AllTypesBaseRoute extends GoRouteData {
       );
 }
 
+class InvalidPageRoute extends GoRouteData {
+  InvalidPageRoute();
+
+  @override
+  Widget build(BuildContext context, GoRouterState state) => InvalidPage(
+        dataTitle: 'InvalidPage',
+        queryParamWithDefaultValue: state.uri.queryParameters,
+      );
+
+  Widget drawerTile(BuildContext context) => ListTile(
+        title: const Text('InvalidPage'),
+        onTap: () => go(context),
+        selected: GoRouterState.of(context).uri.path == location,
+      );
+}
+
 class BigIntRoute extends GoRouteData {
   BigIntRoute({
     required this.requiredBigIntField,
@@ -629,3 +646,22 @@ class IterablePage extends StatelessWidget {
     );
   }
 }
+
+class InvalidPage extends StatelessWidget {
+  const InvalidPage({
+    super.key,
+    required this.dataTitle,
+    this.queryParamWithDefaultValue,
+  });
+
+  final String dataTitle;
+  final Map<String, dynamic>? queryParamWithDefaultValue;
+
+  @override
+  Widget build(BuildContext context) {
+    return BasePage<String>(
+      dataTitle: dataTitle,
+      queryParamWithDefaultValue: queryParamWithDefaultValue.toString(),
+    );
+  }
+}

packages/go_router_builder/example/lib/simple_example.dart

@@ -45,8 +45,9 @@ class FamilyRoute extends GoRouteData {
   final String familyId;
 
   @override
-  Widget build(BuildContext context, GoRouterState state) =>
-      FamilyScreen(family: familyById(familyId));
+  Widget build(BuildContext context, GoRouterState state) {
+    return FamilyScreen(family: familyById(familyId));
+  }
 }
 
 class HomeScreen extends StatelessWidget {

packages/go_router_builder/example/test/all_types_test.dart

@@ -4,6 +4,7 @@
 
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:go_router/go_router.dart';
 import 'package:go_router_builder_example/all_types.dart';
 import 'package:go_router_builder_example/shared/data.dart';
 
@@ -221,4 +222,74 @@ void main() {
     );
     expect(find.text('/iterable-route-with-default-values'), findsOneWidget);
   });
+
+  testWidgets(
+      'Test navigation with invalid query and path parameters using Uri.parse',
+      (WidgetTester tester) async {
+    await tester.pumpWidget(AllTypesApp());
+
+    final ScaffoldState scaffoldState =
+        tester.firstState(find.byType(Scaffold));
+
+    // Test invalid BigInt parameter
+    scaffoldState.context
+        .go(Uri.parse('/big-int-route/4?bigIntField=invalid').toString());
+    await tester.pumpAndSettle();
+    expect(find.text('BigIntRoute'), findsOneWidget);
+    expect(find.text('Param: 4'), findsOneWidget);
+    expect(find.text('Query param: null'), findsOneWidget);
+
+    // Test invalid DateTime parameter
+    scaffoldState.context.go(Uri.parse(
+            '/date-time-route/2021-01-01T00:00:00.000?dateTimeField=invalid-date')
+        .toString());
+    await tester.pumpAndSettle();
+    expect(find.text('DateTimeRoute'), findsOneWidget);
+    expect(find.text('Param: 2021-01-01 00:00:00.000'), findsOneWidget);
+    expect(find.text('Query param: null'), findsOneWidget);
+
+    // Test invalid Double parameter
+    scaffoldState.context
+        .go(Uri.parse('/double-route/3.14?doubleField=invalid').toString());
+    await tester.pumpAndSettle();
+    expect(find.text('DoubleRoute'), findsOneWidget);
+    expect(find.text('Param: 3.14'), findsOneWidget);
+    expect(find.text('Query param: null'), findsOneWidget);
+    expect(find.text('Query param with default value: 1.0'), findsOneWidget);
+
+    // Test invalid Int parameter
+    scaffoldState.context
+        .go(Uri.parse('/int-route/65?intField=invalid').toString());
+    await tester.pumpAndSettle();
+    expect(find.text('IntRoute'), findsOneWidget);
+    expect(find.text('Param: 65'), findsOneWidget);
+    expect(find.text('Query param: null'), findsOneWidget);
+    expect(find.text('Query param with default value: 1'), findsOneWidget);
+
+    // Test invalid Uri parameter
+    scaffoldState.context.go(
+        Uri.parse('/uri-route/https%3A%2F%2Fdart.dev?uriField=invalid-uri')
+            .toString());
+    await tester.pumpAndSettle();
+    expect(find.text('UriRoute'), findsOneWidget);
+    expect(find.text('Param: https://dart.dev'), findsOneWidget);
+    expect(find.text('Query param: null'), findsOneWidget);
+
+    // Test invalid Enum parameter
+    scaffoldState.context.go(
+        Uri.parse('/enum-route/favorite-food?enum-field=invalid').toString());
+    await tester.pumpAndSettle();
+    expect(find.text('EnumRoute'), findsOneWidget);
+    expect(find.text('Query param: null'), findsOneWidget);
+    expect(
+        find.text('Query param with default value: PersonDetails.favoriteFood'),
+        findsOneWidget);
+
+    // Test invalid Iterable parameter
+    scaffoldState.context
+        .go(Uri.parse('/iterable-route?intListField=invalid').toString());
+    await tester.pumpAndSettle();
+    expect(find.text('IterableRoute'), findsOneWidget);
+    expect(find.text('/iterable-route'), findsOneWidget);
+  });
 }

packages/go_router_builder/lib/src/route_config.dart

@@ -740,7 +740,7 @@ const String _convertMapValueHelper = '''
 T? $convertMapValueHelperName<T>(
   String key,
   Map<String, String> map,
-  T Function(String) converter,
+  T? Function(String) converter,
 ) {
   final value = map[key];
   return value == null ? null : converter(value);
@@ -762,6 +762,6 @@ bool $boolConverterHelperName(String value) {
 
 const String _enumConverterHelper = '''
 extension<T extends Enum> on Map<T, String> {
-  T $enumExtensionHelperName(String value) =>
-      entries.singleWhere((element) => element.value == value).key;
+  T? $enumExtensionHelperName(String value) =>
+      entries.where((element) => element.value == value).firstOrNull?.key;
 }''';