From 30d4924b31d9dc427311736d0f54dedafea9b170 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jind=C5=99ich=20B=C3=A4r?= <jindrichbar@gmail.com>
Date: Tue, 14 May 2024 10:33:15 +0200
Subject: [PATCH] feat: log CONNECT error response body

---
 src/resolve-protocol.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/resolve-protocol.ts b/src/resolve-protocol.ts
index 6c8ed95..8410ab2 100644
--- a/src/resolve-protocol.ts
+++ b/src/resolve-protocol.ts
@@ -42,8 +42,11 @@ const connect = async (proxyUrl: string, options: tls.ConnectionOptions, callbac
 
             request.once('connect', (response, socket, head) => {
                 if (response.statusCode !== 200 || head.length > 0) {
-                    reject(new Error(`Proxy responded with ${response.statusCode} ${response.statusMessage}: ${head.length} bytes`));
+                    reject(new Error(`Proxy responded with ${response.statusCode} ${response.statusMessage}: ${head.length} bytes.
 
+Below is the first 100 bytes of the proxy response body:
+${head.toString('utf8', 0, 100)}
+`));
                     socket.destroy();
                     return;
                 }