feat: added eventResponse to event object, can now extract event resp…

…onse in middleware, will be null if event is not handled.

bin/main.dart

@@ -8,7 +8,7 @@ void main() async {
       event.context["user"] = 'Ogunlepon';
       print(getRequestUrl(event));
     },
-    afterResponse: (event) => {},
+    afterResponse: (event) => {print(event.eventResponse)},
   );
 
   var router = createRouter();
@@ -31,7 +31,8 @@ void main() async {
   });
 
   apiRouter.post("/upload", (event) async {
-    var files = await readFiles(event, fieldName: 'file', customFilePath: 'uploads');
+    var files =
+        await readFiles(event, fieldName: 'file', customFilePath: 'uploads');
     setResponseHeader(event, header: 'Content-Type', value: 'application/json');
     return files;
   });

lib/src/event.dart

@@ -12,6 +12,7 @@ import 'package:h4/src/logger.dart';
 class H4Event {
   Map<String, String> params;
   Map<String, dynamic> context;
+  dynamic eventResponse;
 
   /// The HTTP request that triggered the event.
   ///
@@ -23,6 +24,7 @@ class H4Event {
 
   H4Event(this._request)
       : params = {},
+        eventResponse = null,
         context = {
           'path': _request.uri.path,
           'query_params': _request.uri.queryParameters,
@@ -87,11 +89,14 @@ class H4Event {
       case 'json':
         headers.add(HttpHeaders.contentTypeHeader, 'application/json');
         break;
+
       case 'null':
         _request.response.statusCode = 204;
         break;
+
       default:
         logger.warning('Invalid response format: $type');
+        break;
     }
   }
 
@@ -147,6 +152,8 @@ class H4Event {
   }
 
   _resolveRequest(H4Event event, handlerResult) {
+    event.eventResponse = handlerResult;
+
     // ignore: type_check_with_null
     if (handlerResult is Null) {
       event.statusCode = 204;

lib/src/h4.dart

@@ -23,6 +23,7 @@ void Function(String error, String? stackTrace, H4Event? event)
         '$error\n$stackTrace Error occured while attempting ${event?.method.toUpperCase()} request at - ${event?.path}');
 
 /// A middleware function that takes an [H4Event] and has access to it's snapshot.
+/// Can also
 typedef Middleware = void Function(H4Event event)?;
 
 /// The [ErrorHandler] is used to process and potentially report errors that occur
@@ -37,6 +38,7 @@ typedef Middleware = void Function(H4Event event)?;
 ///
 typedef ErrorHandler = void Function(String, String?, H4Event?);
 
+// Workaround for union types.
 typedef MiddlewareStack = Map<String, Either<Middleware?, ErrorHandler?>?>?;
 
 class H4 {
@@ -75,11 +77,11 @@ class H4 {
     bool autoStart = true,
     this.middlewares,
   }) {
-    initLogger();
-
     if (autoStart) {
       start(port: port);
     }
+
+    initLogger();
   }
 
   /// Initializes the server on an available localhost port and starts listening for requests.
@@ -109,7 +111,7 @@ class H4 {
     await server?.close(force: force);
   }
 
-  /// Add a [H4Router] to the app instance for mapping requests.
+  /// Add a [H4Router] to the app instance for mapping requests to a different url.
   void use(H4Router router, {String basePath = '/'}) {
     routeStack[basePath] = router;
     this.router = router;
@@ -170,7 +172,7 @@ class H4 {
   _bootstrap() {
     server!.listen((HttpRequest request) {
       if (routeStack.values.isEmpty) {
-        logger.warning("No router instances were found.");
+        logger.warning("No router instances found.");
         return404(request)(middlewares, null);
         return;
       }