From f831f0b3863212f5a6ebb849b0202a43ac58840e Mon Sep 17 00:00:00 2001
From: RHM <righthandman176@proton.me>
Date: Fri, 12 Sep 2025 13:33:08 +0200
Subject: [PATCH] fix weird backend bug

---
 backend/src/api.js   | 5 ++++-
 backend/src/index.js | 3 ++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/backend/src/api.js b/backend/src/api.js
index b6b4bb3..0daa28b 100644
--- a/backend/src/api.js
+++ b/backend/src/api.js
@@ -11,7 +11,10 @@ export class ApiError extends Error {
 }
 
 const router = Router();
-const asyncHandler = fn => (req, res, next) => Promise.resolve(fn(req, res, next)).catch(next);
+const asyncHandler = fn => (req, res, next) => Promise.resolve(fn(req, res, next)).catch(err => {
+    res.error = err;
+    next();
+});
 
 const userSchema = Joi.object({
     username: Joi.string().min(3).max(32).required()
diff --git a/backend/src/index.js b/backend/src/index.js
index 94b2942..f90ca77 100644
--- a/backend/src/index.js
+++ b/backend/src/index.js
@@ -48,7 +48,8 @@ app.use("/api/docs", swaggerUi.serve, swaggerUi.setup(specs));
 app.use("/api", apiRouter);
 
 // has to be last
-app.use((err, _req, res) => {
+app.use((_req, res, _next) => {
+  const err = res.error;
   if (err instanceof ApiError) {
     return res.status(err.status).json({ status: "error", error: err.message });
   }