fs: change var to let

alvarp · addaleax · commit 8ee27ffe77ae · 2019-11-30T03:54:32.000+01:00
PR-URL: #30407 Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
diff --git a/lib/internal/fs/streams.js b/lib/internal/fs/streams.js
@@ -360,7 +360,7 @@ WriteStream.prototype._writev = function(data, cb) {
   const chunks = new Array(len);
   let size = 0;
 
-  for (var i = 0; i < len; i++) {
+  for (let i = 0; i < len; i++) {
     const chunk = data[i].chunk;
 
     chunks[i] = chunk;
