fix: missing api data in a route with middleware

Fixes #16

Author: omermecitoglu

src/core/definer.test.ts

@@ -243,7 +243,7 @@ describe("defineRoute", () => {
 
     const nextJsRouteHandler = route.GET;
 
-    const fakeContext = { params: Promise.resolve(undefined as unknown as { id: string }) }
+    const fakeContext = { params: Promise.resolve(undefined as unknown as { id: string }) };
     await nextJsRouteHandler(mockRequest as unknown as Request, fakeContext);
 
     expect(console.log).toHaveBeenCalledWith(expect.stringContaining("You tried to add pathParams to a route"));

src/core/definer.ts

@@ -152,7 +152,9 @@ function defineRoute<
   };
 
   if (input.middleware) {
-    return { [input.method]: input.middleware(handler) } as RouteHandler<M, PPI, MwReq, MwRes>;
+    const alteredHandler = input.middleware(handler);
+    alteredHandler.apiData = handler.apiData;
+    return { [input.method]: alteredHandler } as RouteHandler<M, PPI, MwReq, MwRes>;
   }
 
   return { [input.method]: handler } as RouteHandler<M, PPI, MwReq, MwRes>;