feat: implement isActive method for route matching

Author: mcquenji

lib/src/infra/services/routing_kit_routing_service.dart

@@ -43,8 +43,16 @@ class RoutingKitRoutingService<T, Config extends Object>
 
   @override
   bool isActive(String path, {bool exact = true, bool ignoreParams = false}) {
-    // TODO: implement isActive
-    throw UnimplementedError();
+    final context = _context;
+    if (context == null) return false;
+
+    final currentUri = context.uri;
+    final targetUri = Uri.parse(path);
+
+    final current = ignoreParams ? currentUri.path : currentUri.toString();
+    final target = ignoreParams ? targetUri.path : targetUri.toString();
+
+    return exact ? current == target : current.startsWith(target);
   }
 
   @override

test/routing_test.dart

@@ -190,6 +190,38 @@ void main() {
         expect(root.featureModule.activateCalls, 1);
       },
     );
+
+    test('isActive returns false when no route is active', () {
+      expect(routing.isActive('/feature/child'), isFalse);
+      expect(routing.isActive('/feature', exact: false), isFalse);
+    });
+
+    test('isActive supports exact and partial matches', () async {
+      await routing.navigate('/feature/child');
+
+      expect(routing.isActive('/feature/child'), isTrue);
+      expect(routing.isActive('/feature'), isFalse);
+      expect(routing.isActive('/feature', exact: false), isTrue);
+      expect(routing.isActive('/feature/sub', exact: false), isFalse);
+    });
+
+    test('isActive can ignore query params and fragments', () async {
+      await routing.navigate('/feature/child?tab=profile#details');
+
+      expect(
+        routing.isActive('/feature/child?tab=profile#details'),
+        isTrue,
+      );
+      expect(routing.isActive('/feature/child'), isFalse);
+      expect(
+        routing.isActive('/feature/child', ignoreParams: true),
+        isTrue,
+      );
+      expect(
+        routing.isActive('/feature', exact: false, ignoreParams: true),
+        isTrue,
+      );
+    });
   });
 }