From 678eea82bd468cfd35c9a899cac11a2a3639d687 Mon Sep 17 00:00:00 2001
From: Trivikram Kamat <16024985+trivikr@users.noreply.github.com>
Date: Sat, 14 Dec 2019 10:56:51 -0500
Subject: [PATCH] buffer: use for...of

---
 lib/buffer.js | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/lib/buffer.js b/lib/buffer.js
index 955a240fa39bf3..42315ba809e881 100644
--- a/lib/buffer.js
+++ b/lib/buffer.js
@@ -524,7 +524,6 @@ Buffer.isEncoding = function isEncoding(encoding) {
 Buffer[kIsEncodingSymbol] = Buffer.isEncoding;
 
 Buffer.concat = function concat(list, length) {
-  let i;
   if (!ArrayIsArray(list)) {
     throw new ERR_INVALID_ARG_TYPE('list', 'Array', list);
   }
@@ -534,9 +533,9 @@ Buffer.concat = function concat(list, length) {
 
   if (length === undefined) {
     length = 0;
-    for (i = 0; i < list.length; i++) {
-      if (list[i].length) {
-        length += list[i].length;
+    for (const listEntry of list) {
+      if (listEntry.length) {
+        length += listEntry.length;
       }
     }
   } else {
@@ -545,7 +544,7 @@ Buffer.concat = function concat(list, length) {
 
   const buffer = Buffer.allocUnsafe(length);
   let pos = 0;
-  for (i = 0; i < list.length; i++) {
+  for (let i = 0; i < list.length; i++) {
     const buf = list[i];
     if (!isUint8Array(buf)) {
       // TODO(BridgeAR): This should not be of type ERR_INVALID_ARG_TYPE.