From d49741b7c5a5a43b47d4932dcfd08a0eefe20264 Mon Sep 17 00:00:00 2001
From: Landon Gavin <hi@landongavin.com>
Date: Thu, 24 Jul 2025 15:35:38 -0400
Subject: [PATCH] fix(operation): ensure output case handling is robust by
 checking for object type

---
 packages/openapi-ts/src/openApi/shared/utils/operation.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/packages/openapi-ts/src/openApi/shared/utils/operation.ts b/packages/openapi-ts/src/openApi/shared/utils/operation.ts
index 2e8c625d4..cc7e1cc1b 100644
--- a/packages/openapi-ts/src/openApi/shared/utils/operation.ts
+++ b/packages/openapi-ts/src/openApi/shared/utils/operation.ts
@@ -39,8 +39,9 @@ export const operationToId = ({
 
   const { output } = context.config;
   const targetCase =
-    (output !== undefined && 'case' in output ? output.case : undefined) ??
-    'camelCase';
+    (output !== undefined && typeof output === 'object' && 'case' in output
+      ? output.case
+      : undefined) ?? 'camelCase';
 
   if (
     id &&