From 9e67f2760246fcf17ef80c437c87f5435454cc43 Mon Sep 17 00:00:00 2001
From: simeng-li <simeng@silverhand.io>
Date: Tue, 8 Oct 2024 10:14:21 +0800
Subject: [PATCH] fix(core): expose syntax error response (#6646)

expose syntax error response
---
 packages/core/src/middleware/koa-error-handler.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/packages/core/src/middleware/koa-error-handler.ts b/packages/core/src/middleware/koa-error-handler.ts
index da8a32154..7ed7d7567 100644
--- a/packages/core/src/middleware/koa-error-handler.ts
+++ b/packages/core/src/middleware/koa-error-handler.ts
@@ -44,6 +44,13 @@ export default function koaErrorHandler<StateT, ContextT, BodyT>(): Middleware<
         return;
       }
 
+      // Expose JSON body parsing errors
+      if (error instanceof SyntaxError) {
+        ctx.status = 400;
+        ctx.body = { message: error.message };
+        return;
+      }
+
       // Should log 500 errors in prod anyway
       if (EnvSet.values.isProduction) {
         consoleLog.error(error);