From ae0c93386830ff446ce3e46d5a6a0243234cfecb Mon Sep 17 00:00:00 2001
From: Tobias Schneider <mail@tobias-schneider.io>
Date: Wed, 8 Jun 2022 18:22:24 +0200
Subject: [PATCH] Disallowing response body on null body status codes

---
 index.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/index.js b/index.js
index 3a66caf..0ad91ee 100644
--- a/index.js
+++ b/index.js
@@ -385,16 +385,16 @@ class Router {
                 return res.raw
             }
 
-            const resInit = {
+            const resOpts = {
                 status: res.status || (res.body ? 200 : 204),
                 headers: res.headers
             }
 
             if (res.webSocket) {
-                resInit.webSocket = res.webSocket
+                resOpts.webSocket = res.webSocket
             }
 
-            return new Response(res.body, resInit)
+            return new Response([101, 204, 205, 304].includes(resOpts.status) ? null : res.body, resOpts)
         } catch(err) {
             console.error(err)
             return new Response(this.debugMode ? err.stack : '', { status: 500 })