From 7f69973208aec72deecebeff06d64d8895d0458b Mon Sep 17 00:00:00 2001
From: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>
Date: Mon, 7 Feb 2022 01:04:09 +0330
Subject: [PATCH] stream: use standard for loop instead of for..of

Use the standard `for` loop style instead of `for..of` for
consistency.

PR-URL: https://github.com/nodejs/node/pull/41871
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Mestery <mestery@protonmail.com>
Reviewed-By: Minwoo Jung <nodecorelab@gmail.com>
---
 lib/internal/streams/duplex.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/internal/streams/duplex.js b/lib/internal/streams/duplex.js
index bc92e9021ab57c..79f91fa0866e25 100644
--- a/lib/internal/streams/duplex.js
+++ b/lib/internal/streams/duplex.js
@@ -42,8 +42,10 @@ ObjectSetPrototypeOf(Duplex.prototype, Readable.prototype);
 ObjectSetPrototypeOf(Duplex, Readable);
 
 {
+  const keys = ObjectKeys(Writable.prototype);
   // Allow the keys array to be GC'ed.
-  for (const method of ObjectKeys(Writable.prototype)) {
+  for (let i = 0; i < keys.length; i++) {
+    const method = keys[i];
     if (!Duplex.prototype[method])
       Duplex.prototype[method] = Writable.prototype[method];
   }