feat: 2.3.0 handle return type from design:returntype

deno.json

@@ -1,6 +1,6 @@
 {
   "name": "@danet/swagger",
-  "version": "2.2.0",
+  "version": "2.3.0",
   "exports": {
     ".":"./mod.ts",
     "./decorators": "./decorators.ts"

example/app.ts

@@ -133,7 +133,7 @@ class HelloController {
 @Controller('zod')
 class ZodController {
 	@Post()
-	posZodSomething(@ZodBody(ZodTodo) todo: ZodTodo): number {
+	posZodSomething(@ZodBody(ZodTodo) todo: ZodTodo) {
 		return 1;
 	}
 
@@ -156,10 +156,9 @@ class MyController {
 	}
 
 	@ApiOAuth2(['my-permission:all'])
-	@ReturnedType(Todo)
 	@Post()
-	postSomething(@Body() todo: Todo): number {
-		return 1;
+	postSomething(@Body() todo: Todo): Todo {
+		return new Todo();
 	}
 
 	@ApiCookieAuth()
@@ -171,7 +170,7 @@ class MyController {
 
 	@BodyType(Todo)
 	@Put('somethingagain')
-	putSomething(): Todo {
+	putSomething() {
 		return new Todo();
 	}
 }

method-definer.ts

@@ -259,6 +259,19 @@ export class MethodDefiner {
 			this.Controller.prototype,
 			this.methodName,
 		);
+		if (!returnedValue) {
+			const returnedType = MetadataHelper.getMetadata<Constructor>(
+				'design:returntype',
+				this.Controller.prototype,
+				this.methodName,
+			);
+			if (returnedType) {
+				returnedValue = {
+					returnedType,
+					isArray: false,
+				};
+			}
+		}
 		if (returnedValue) {
 			if (isPrimitive(returnedValue.returnedType.name.toLowerCase())) {
 				if (returnedValue.isArray) {
@@ -298,7 +311,6 @@ export class MethodDefiner {
 			this.Controller.prototype,
 			this.methodName
 		);
-		console.log('returnedSchema', returnedSchema);
 		if (returnedSchema) {
 			const openApiSchema = this.generateZodSchema(returnedSchema.returnedSchema);
 			if (returnedSchema.isArray) {
@@ -313,6 +325,7 @@ export class MethodDefiner {
 					'$ref': `#/components/schemas/${openApiSchema.title}`,
 				}).setDescription('').get();
 			}
+			return;
 		}
 
 		return null;