From 892c51bed89f0201c54cd2a75e34671e4d4c2fec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=88=E6=9D=A8=E6=96=87?= <wenermail@gmail.com>
Date: Sun, 25 Feb 2024 04:21:54 +0800
Subject: [PATCH] fix: duplex only has a getter

---
 src/request.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/request.ts b/src/request.ts
index 94201a7..c99a088 100644
--- a/src/request.ts
+++ b/src/request.ts
@@ -13,7 +13,11 @@ export class Request extends GlobalRequest {
     }
     if (options?.body instanceof ReadableStream) {
       // node 18 fetch needs half duplex mode when request body is stream
-      ;(options as any).duplex = 'half'
+      Object.defineProperty(options, "duplex", {
+        get() {
+          return "half";
+        }
+      })
     }
     super(input, options)
   }