From 3e4a6a5968a51aa549abaa55a656eb12181a3852 Mon Sep 17 00:00:00 2001
From: Ilia Safronov <ilia.a.safronov@gmail.com>
Date: Wed, 6 Nov 2019 14:29:38 +0300
Subject: [PATCH] lib: change var to let in lib/_stream_duplex.js
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PR-URL: https://github.com/nodejs/node/pull/30297
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
---
 lib/_stream_duplex.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/_stream_duplex.js b/lib/_stream_duplex.js
index b96a0439f785fa..27686b1490f4e5 100644
--- a/lib/_stream_duplex.js
+++ b/lib/_stream_duplex.js
@@ -39,7 +39,7 @@ Object.setPrototypeOf(Duplex, Readable);
 {
   // Allow the keys array to be GC'ed.
   const keys = Object.keys(Writable.prototype);
-  for (var v = 0; v < keys.length; v++) {
+  for (let v = 0; v < keys.length; v++) {
     const method = keys[v];
     if (!Duplex.prototype[method])
       Duplex.prototype[method] = Writable.prototype[method];