From ebedf6b653ac2a5cb49f5c9d3e6ac6fffedbf369 Mon Sep 17 00:00:00 2001
From: Andrey Pechkurov <37772591+puzpuzpuz@users.noreply.github.com>
Date: Wed, 22 Dec 2021 21:50:05 +0300
Subject: [PATCH] Avoid unnecessary Buffer allocations (#3321)

---
 lib/adapters/http.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/adapters/http.js b/lib/adapters/http.js
index dbb2ae14e3..a39773f9f7 100755
--- a/lib/adapters/http.js
+++ b/lib/adapters/http.js
@@ -293,7 +293,7 @@ module.exports = function httpAdapter(config) {
         });
 
         stream.on('end', function handleStreamEnd() {
-          var responseData = Buffer.concat(responseBuffer);
+          var responseData = responseBuffer.length === 1 ? responseBuffer[0] : Buffer.concat(responseBuffer);
           if (config.responseType !== 'arraybuffer') {
             responseData = responseData.toString(config.responseEncoding);
             if (!config.responseEncoding || config.responseEncoding === 'utf8') {