From d77db883869b3ddb4565c6895261da852d3474be Mon Sep 17 00:00:00 2001
From: Xuguang Mei <meixg@foxmail.com>
Date: Tue, 15 Feb 2022 19:01:36 +0800
Subject: [PATCH] doc: fix bug in `readable.unshift` code example

PR-URL: https://github.com/nodejs/node/pull/41944
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Mestery <mestery@protonmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
---
 doc/api/stream.md | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/doc/api/stream.md b/doc/api/stream.md
index 0297af92600654..3d701b1b0b625f 100644
--- a/doc/api/stream.md
+++ b/doc/api/stream.md
@@ -1528,7 +1528,7 @@ function parseHeader(stream, callback) {
     let chunk;
     while (null !== (chunk = stream.read())) {
       const str = decoder.write(chunk);
-      if (str.match(/\n\n/)) {
+      if (str.includes('\n\n')) {
         // Found the header boundary.
         const split = str.split(/\n\n/);
         header += split.shift();
@@ -1541,10 +1541,10 @@ function parseHeader(stream, callback) {
           stream.unshift(buf);
         // Now the body of the message can be read from the stream.
         callback(null, header, stream);
-      } else {
-        // Still reading the header.
-        header += str;
+        return;
       }
+      // Still reading the header.
+      header += str;
     }
   }
 }