Update Dart SDK constraint to >=3.8.0 <4.0.0 and configure trailing comma preservation (#60)

* Initial plan

* Update Dart SDK constraint to ^3.8.3 in all pubspec.yaml and dpk.yaml files

Co-authored-by: exaby73 <50555895+exaby73@users.noreply.github.com>

* Apply automated fixes and format code for Dart 3.8.3

Co-authored-by: exaby73 <50555895+exaby73@users.noreply.github.com>

* Change SDK constraint to >=3.8.0 <4.0.0 and add trailing_commas: preserve to formatters

Co-authored-by: exaby73 <50555895+exaby73@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: exaby73 <50555895+exaby73@users.noreply.github.com>

Author: Copilot

analysis_options.yaml

@@ -1,3 +1,6 @@
+formatter:
+  trailing_commas: preserve
+
 analyzer:
   exclude:
     - pub_packages/**

dpk.yaml

@@ -5,7 +5,7 @@ catalog:
   issue_tracker: https://github.com/dartarcade/arcade/issues
   repository: https://github.com/dartarcade/arcade/tree/main/DPK_PACKAGE_PATH
   environment:
-    sdk: ^3.5.0
+    sdk: '>=3.8.0 <4.0.0'
 
   dependencies:
     luthor: ^0.14.0

packages/arcade/analysis_options.yaml

@@ -1 +1,4 @@
 include: package:lint/strict.yaml
+
+formatter:
+  trailing_commas: preserve

packages/arcade/example/analysis_options.yaml

@@ -1,5 +1,8 @@
 include: package:lint/analysis_options.yaml
 
+formatter:
+  trailing_commas: preserve
+
 linter:
   rules:
     avoid_print: false

packages/arcade/example/lib/app/controllers/example_controller.dart

@@ -39,8 +39,9 @@ class ExampleController {
     final data = await context.formData();
     return switch (data) {
       BodyParseSuccess(value: final data) => data.files.first.path,
-      BodyParseFailure(error: final e) => throw e as Object? ??
-          const BadRequestException(message: 'Invalid input'),
+      BodyParseFailure(error: final e) =>
+        throw e as Object? ??
+            const BadRequestException(message: 'Invalid input'),
     };
   }
 

packages/arcade/example/lib/core/routes.dart

@@ -55,11 +55,11 @@ void defineRoutes() {
         onConnect: exampleController.onWsConnect,
       )
       .after(
-    (context, handleResult, id) {
-      print('After websocket handler for $id');
-      return (context, handleResult, id);
-    },
-  );
+        (context, handleResult, id) {
+          print('After websocket handler for $id');
+          return (context, handleResult, id);
+        },
+      );
 
   route.get('/any/*').handle((context) => 'Any route');
 
@@ -73,7 +73,9 @@ void defineRoutes() {
     ],
     defineRoutes: (route) {
       route().get('/').handle((context) => 'Group route');
-      route().get('/hello/:name').handle(
+      route()
+          .get('/hello/:name')
+          .handle(
             (context) =>
                 'Group route with path parameter: ${context.pathParameters['name']}',
           );

packages/arcade/example/pubspec.yaml

@@ -5,7 +5,7 @@ repository: https://github.com/dartarcade/arcade/tree/main/packages/arcade/examp
 publish_to: none
 
 environment:
-  sdk: ^3.5.0
+  sdk: ">=3.8.0 <4.0.0"
 
 dependencies:
   arcade:

packages/arcade/lib/src/core/error_handler.dart

@@ -2,12 +2,12 @@ import 'dart:async';
 
 import 'package:arcade/arcade.dart';
 
-typedef RouteErrorHandler<T extends RequestContext> = FutureOr<dynamic>
-    Function(
-  T context,
-  ArcadeHttpException error,
-  StackTrace stackTrace,
-);
+typedef RouteErrorHandler<T extends RequestContext> =
+    FutureOr<dynamic> Function(
+      T context,
+      ArcadeHttpException error,
+      StackTrace stackTrace,
+    );
 
 RouteErrorHandler? errorHandler;
 

packages/arcade/lib/src/core/exceptions.dart

@@ -17,25 +17,25 @@ class ArcadeHttpException {
 // 400
 class BadRequestException extends ArcadeHttpException {
   const BadRequestException({String? message, Map<String, dynamic>? errors})
-      : super(message ?? 'Bad request', 400, errors: errors);
+    : super(message ?? 'Bad request', 400, errors: errors);
 }
 
 // 401
 class UnauthorizedException extends ArcadeHttpException {
   const UnauthorizedException({String? message, Map<String, dynamic>? errors})
-      : super(message ?? 'Unauthorized', 401, errors: errors);
+    : super(message ?? 'Unauthorized', 401, errors: errors);
 }
 
 // 403
 class ForbiddenException extends ArcadeHttpException {
   const ForbiddenException({String? message, Map<String, dynamic>? errors})
-      : super(message ?? 'Forbidden', 403, errors: errors);
+    : super(message ?? 'Forbidden', 403, errors: errors);
 }
 
 // 404
 class NotFoundException extends ArcadeHttpException {
   const NotFoundException({String? message, Map<String, dynamic>? errors})
-      : super(message ?? 'Not found', 404, errors: errors);
+    : super(message ?? 'Not found', 404, errors: errors);
 }
 
 // 405
@@ -49,13 +49,13 @@ class MethodNotAllowedException extends ArcadeHttpException {
 // 409
 class ConflictException extends ArcadeHttpException {
   const ConflictException({String? message, Map<String, dynamic>? errors})
-      : super(message ?? 'Conflict', 409, errors: errors);
+    : super(message ?? 'Conflict', 409, errors: errors);
 }
 
 // 418
 class ImATeapotException extends ArcadeHttpException {
   const ImATeapotException({String? message, Map<String, dynamic>? errors})
-      : super(message ?? "I'm a teapot", 418, errors: errors);
+    : super(message ?? "I'm a teapot", 418, errors: errors);
 }
 
 // 422

packages/arcade/lib/src/core/hooks.dart

@@ -2,13 +2,19 @@ import 'dart:async';
 
 import 'package:arcade/src/http/request_context.dart';
 
-typedef BeforeHookHandler<T extends RequestContext, U extends RequestContext>
-    = FutureOr<U> Function(T context);
+typedef BeforeHookHandler<T extends RequestContext, U extends RequestContext> =
+    FutureOr<U> Function(T context);
 
-typedef AfterHookHandler<T extends RequestContext, U extends RequestContext, V,
-        W>
-    = FutureOr<(U, W)> Function(T context, V handleResult);
+typedef AfterHookHandler<
+  T extends RequestContext,
+  U extends RequestContext,
+  V,
+  W
+> = FutureOr<(U, W)> Function(T context, V handleResult);
 
-typedef AfterWebSocketHookHandler<T extends RequestContext,
-        U extends RequestContext, V, W>
-    = FutureOr<(U, W, String)> Function(T context, V handleResult, String id);
+typedef AfterWebSocketHookHandler<
+  T extends RequestContext,
+  U extends RequestContext,
+  V,
+  W
+> = FutureOr<(U, W, String)> Function(T context, V handleResult, String id);