benchmark: var to const

PR-URL: https://github.com/nodejs/node/pull/13757
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>

2 files changed, 12 insertions, 12 deletions

diff --git a/benchmark/zlib/creation.js b/benchmark/zlib/creation.js
index a207665bd9..8dd6f85a85 100644
--- a/benchmark/zlib/creation.js
+++ b/benchmark/zlib/creation.js
@@ -1,8 +1,8 @@
 'use strict';
-var common = require('../common.js');
-var zlib = require('zlib');
+const common = require('../common.js');
+const zlib = require('zlib');
 
-var bench = common.createBenchmark(main, {
+const bench = common.createBenchmark(main, {
   type: [
     'Deflate', 'DeflateRaw', 'Inflate', 'InflateRaw', 'Gzip', 'Gunzip', 'Unzip'
   ],
@@ -11,14 +11,14 @@ var bench = common.createBenchmark(main, {
 });
 
 function main(conf) {
-  var n = +conf.n;
-  var fn = zlib['create' + conf.type];
+  const n = +conf.n;
+  const fn = zlib['create' + conf.type];
   if (typeof fn !== 'function')
     throw new Error('Invalid zlib type');
   var i = 0;
 
   if (conf.options === 'true') {
-    var opts = {};
+    const opts = {};
     bench.start();
     for (; i < n; ++i)
       fn(opts);
diff --git a/benchmark/zlib/deflate.js b/benchmark/zlib/deflate.js
index 0874884387..00993b6446 100644
--- a/benchmark/zlib/deflate.js
+++ b/benchmark/zlib/deflate.js
@@ -1,17 +1,17 @@
 'use strict';
-var common = require('../common.js');
-var zlib = require('zlib');
+const common = require('../common.js');
+const zlib = require('zlib');
 
-var bench = common.createBenchmark(main, {
+const bench = common.createBenchmark(main, {
   method: ['createDeflate', 'deflate', 'deflateSync'],
   inputLen: [1024],
   n: [4e5]
 });
 
 function main(conf) {
-  var n = +conf.n;
-  var method = conf.method;
-  var chunk = Buffer.alloc(+conf.inputLen, 'a');
+  const n = +conf.n;
+  const method = conf.method;
+  const chunk = Buffer.alloc(+conf.inputLen, 'a');
 
   var i = 0;
   switch (method) {