changeset

.changeset/serious-hotels-burn.md

@@ -0,0 +1,5 @@
+---
+'@ts-rest/express': minor
+---
+
+Add middleware directly through ts-rest with type-safe injected route object

.changeset/tricky-dingos-reflect.md

@@ -0,0 +1,5 @@
+---
+'@ts-rest/core': minor
+---
+
+Add 'metadata' property to routes

libs/ts-rest/express/src/lib/ts-rest-express.ts

@@ -213,12 +213,12 @@ const initializeExpressRoute = ({
 };
 
 const requestValidationErrorHandler = (
-  requestValidationErrorHandler: TsRestExpressOptions<any>['requestValidationErrorHandler'] = 'default'
+  handler: TsRestExpressOptions<any>['requestValidationErrorHandler'] = 'default'
 ) => {
   return (err: any, req: Request, res: Response, next: NextFunction) => {
     if (err instanceof RequestValidationError) {
       // old-style error handling, kept for backwards compatibility
-      if (requestValidationErrorHandler === 'default') {
+      if (handler === 'default') {
         if (err.pathParams) {
           return res.status(400).json(err.pathParams);
         }
@@ -231,15 +231,15 @@ const requestValidationErrorHandler = (
         if (err.body) {
           return res.status(400).json(err.body);
         }
-      } else if (requestValidationErrorHandler === 'combined') {
+      } else if (handler === 'combined') {
         return res.status(400).json({
           pathParameterErrors: err.pathParams,
           headerErrors: err.headers,
           queryParameterErrors: err.query,
           bodyErrors: err.body,
         });
       } else {
-        return requestValidationErrorHandler(err, req as any, res, next);
+        return handler(err, req as any, res, next);
       }
     }