benchmark,lib: change var to const

Refs: https://github.com/nodejs/node/pull/26679

PR-URL: https://github.com/nodejs/node/pull/26915
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Refael Ackermann <refack@gmail.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/lib/_stream_transform.js b/lib/_stream_transform.js
index 8745c71341..cec617dfb6 100644
--- a/lib/_stream_transform.js
+++ b/lib/_stream_transform.js
@@ -76,10 +76,10 @@ Object.setPrototypeOf(Transform, Duplex);
 
 
 function afterTransform(er, data) {
-  var ts = this._transformState;
+  const ts = this._transformState;
   ts.transforming = false;
 
-  var cb = ts.writecb;
+  const cb = ts.writecb;
 
   if (cb === null) {
     return this.emit('error', new ERR_MULTIPLE_CALLBACK());
@@ -93,7 +93,7 @@ function afterTransform(er, data) {
 
   cb(er);
 
-  var rs = this._readableState;
+  const rs = this._readableState;
   rs.reading = false;
   if (rs.needReadable || rs.length < rs.highWaterMark) {
     this._read(rs.highWaterMark);
@@ -163,7 +163,7 @@ Transform.prototype._transform = function(chunk, encoding, cb) {
 };
 
 Transform.prototype._write = function(chunk, encoding, cb) {
-  var ts = this._transformState;
+  const ts = this._transformState;
   ts.writecb = cb;
   ts.writechunk = chunk;
   ts.writeencoding = encoding;
@@ -180,7 +180,7 @@ Transform.prototype._write = function(chunk, encoding, cb) {
 // _transform does all the work.
 // That we got here means that the readable side wants more data.
 Transform.prototype._read = function(n) {
-  var ts = this._transformState;
+  const ts = this._transformState;
 
   if (ts.writechunk !== null && !ts.transforming) {
     ts.transforming = true;