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>

10 files changed, 58 insertions, 58 deletions

diff --git a/benchmark/http/_chunky_http_client.js b/benchmark/http/_chunky_http_client.js
index d7c4e193c8..ee1f4f8caa 100644
--- a/benchmark/http/_chunky_http_client.js
+++ b/benchmark/http/_chunky_http_client.js
@@ -1,10 +1,10 @@
 'use strict';
 
 // test HTTP throughput in fragmented header case
-var common = require('../common.js');
-var net = require('net');
+const common = require('../common.js');
+const net = require('net');
 
-var bench = common.createBenchmark(main, {
+const bench = common.createBenchmark(main, {
   len:  [1, 4, 8, 16, 32, 64, 128],
   n:  [5, 50, 500, 2000],
   type: ['send'],
@@ -12,10 +12,10 @@ var bench = common.createBenchmark(main, {
 
 
 function main(conf) {
-  var len = +conf.len;
-  var num = +conf.n;
+  const len = +conf.len;
+  const num = +conf.n;
   var todo = [];
-  var headers = [];
+  const headers = [];
   // Chose 7 because 9 showed "Connection error" / "Connection closed"
   // An odd number could result in a better length dispersion.
   for (var i = 7; i <= 7 * 7 * 7; i *= 7)
@@ -42,20 +42,20 @@ function main(conf) {
     todo.push('');
     todo = todo.join('\r\n');
     // Using odd numbers in many places may increase length coverage.
-    var chunksize = 37;
+    const chunksize = 37;
     for (i = 0; i < todo.length; i += chunksize) {
-      var cur = todo.slice(i, i + chunksize);
+      const cur = todo.slice(i, i + chunksize);
       channel.write(cur);
     }
   }
 
-  var min = 10;
+  const min = 10;
   var size = 0;
-  var mod = 317;
-  var mult = 17;
-  var add = 11;
+  const mod = 317;
+  const mult = 17;
+  const add = 11;
   var count = 0;
-  var PIPE = process.env.PIPE_NAME;
+  const PIPE = process.env.PIPE_NAME;
   var socket = net.connect(PIPE, function() {
     bench.start();
     WriteHTTPHeaders(socket, 1, len);
diff --git a/benchmark/http/check_invalid_header_char.js b/benchmark/http/check_invalid_header_char.js
index 7b9c08bd17..d71bc6fc60 100644
--- a/benchmark/http/check_invalid_header_char.js
+++ b/benchmark/http/check_invalid_header_char.js
@@ -31,8 +31,8 @@ const bench = common.createBenchmark(main, {
 });
 
 function main(conf) {
-  var n = +conf.n;
-  var key = conf.key;
+  const n = +conf.n;
+  const key = conf.key;
 
   bench.start();
   for (var i = 0; i < n; i++) {
diff --git a/benchmark/http/check_is_http_token.js b/benchmark/http/check_is_http_token.js
index 9e0b8279b5..92df3445b4 100644
--- a/benchmark/http/check_is_http_token.js
+++ b/benchmark/http/check_is_http_token.js
@@ -41,8 +41,8 @@ const bench = common.createBenchmark(main, {
 });
 
 function main(conf) {
-  var n = +conf.n;
-  var key = conf.key;
+  const n = +conf.n;
+  const key = conf.key;
 
   bench.start();
   for (var i = 0; i < n; i++) {
diff --git a/benchmark/http/chunked.js b/benchmark/http/chunked.js
index 34a06a1a6d..1056f456ef 100644
--- a/benchmark/http/chunked.js
+++ b/benchmark/http/chunked.js
@@ -8,9 +8,9 @@
 // Verify that our assumptions are valid.
 'use strict';
 
-var common = require('../common.js');
+const common = require('../common.js');
 
-var bench = common.createBenchmark(main, {
+const bench = common.createBenchmark(main, {
   n: [1, 4, 8, 16],
   len: [1, 64, 256],
   c: [100]
@@ -18,9 +18,9 @@ var bench = common.createBenchmark(main, {
 
 function main(conf) {
   const http = require('http');
-  var chunk = Buffer.alloc(conf.len, '8');
+  const chunk = Buffer.alloc(conf.len, '8');
 
-  var server = http.createServer(function(req, res) {
+  const server = http.createServer(function(req, res) {
     function send(left) {
       if (left === 0) return res.end();
       res.write(chunk);
diff --git a/benchmark/http/client-request-body.js b/benchmark/http/client-request-body.js
index d521c8a2c8..a6849580cf 100644
--- a/benchmark/http/client-request-body.js
+++ b/benchmark/http/client-request-body.js
@@ -1,10 +1,10 @@
 // Measure the time it takes for the HTTP client to send a request body.
 'use strict';
 
-var common = require('../common.js');
-var http = require('http');
+const common = require('../common.js');
+const http = require('http');
 
-var bench = common.createBenchmark(main, {
+const bench = common.createBenchmark(main, {
   dur: [5],
   type: ['asc', 'utf', 'buf'],
   len: [32, 256, 1024],
@@ -12,8 +12,8 @@ var bench = common.createBenchmark(main, {
 });
 
 function main(conf) {
-  var dur = +conf.dur;
-  var len = +conf.len;
+  const dur = +conf.dur;
+  const len = +conf.len;
 
   var encoding;
   var chunk;
@@ -31,7 +31,7 @@ function main(conf) {
   }
 
   var nreqs = 0;
-  var options = {
+  const options = {
     headers: { 'Connection': 'keep-alive', 'Transfer-Encoding': 'chunked' },
     agent: new http.Agent({ maxSockets: 1 }),
     host: '127.0.0.1',
@@ -40,7 +40,7 @@ function main(conf) {
     method: 'POST'
   };
 
-  var server = http.createServer(function(req, res) {
+  const server = http.createServer(function(req, res) {
     res.end();
   });
   server.listen(options.port, options.host, function() {
@@ -50,7 +50,7 @@ function main(conf) {
   });
 
   function pummel() {
-    var req = http.request(options, function(res) {
+    const req = http.request(options, function(res) {
       nreqs++;
       pummel();  // Line up next request.
       res.resume();
diff --git a/benchmark/http/cluster.js b/benchmark/http/cluster.js
index 3a9392c422..352b1d2645 100644
--- a/benchmark/http/cluster.js
+++ b/benchmark/http/cluster.js
@@ -1,8 +1,8 @@
 'use strict';
-var common = require('../common.js');
-var PORT = common.PORT;
+const common = require('../common.js');
+const PORT = common.PORT;
 
-var cluster = require('cluster');
+const cluster = require('cluster');
 if (cluster.isMaster) {
   var bench = common.createBenchmark(main, {
     // unicode confuses ab on os x.
@@ -11,15 +11,15 @@ if (cluster.isMaster) {
     c: [50, 500]
   });
 } else {
-  var port = parseInt(process.env.PORT || PORT);
+  const port = parseInt(process.env.PORT || PORT);
   require('../fixtures/simple-http-server.js').listen(port);
 }
 
 function main(conf) {
   process.env.PORT = PORT;
   var workers = 0;
-  var w1 = cluster.fork();
-  var w2 = cluster.fork();
+  const w1 = cluster.fork();
+  const w2 = cluster.fork();
 
   cluster.on('listening', function() {
     workers++;
@@ -27,7 +27,7 @@ function main(conf) {
       return;
 
     setTimeout(function() {
-      var path = `/${conf.type}/${conf.len}`;
+      const path = `/${conf.type}/${conf.len}`;
 
       bench.http({
         path: path,
diff --git a/benchmark/http/create-clientrequest.js b/benchmark/http/create-clientrequest.js
index f40ff9155d..d19a6fb434 100644
--- a/benchmark/http/create-clientrequest.js
+++ b/benchmark/http/create-clientrequest.js
@@ -1,19 +1,19 @@
 'use strict';
 
-var common = require('../common.js');
-var ClientRequest = require('http').ClientRequest;
+const common = require('../common.js');
+const ClientRequest = require('http').ClientRequest;
 
-var bench = common.createBenchmark(main, {
+const bench = common.createBenchmark(main, {
   len: [1, 8, 16, 32, 64, 128],
   n: [1e6]
 });
 
 function main(conf) {
-  var len = +conf.len;
-  var n = +conf.n;
+  const len = +conf.len;
+  const n = +conf.n;
 
-  var path = '/'.repeat(len);
-  var opts = { path: path, createConnection: function() {} };
+  const path = '/'.repeat(len);
+  const opts = { path: path, createConnection: function() {} };
 
   bench.start();
   for (var i = 0; i < n; i++) {
diff --git a/benchmark/http/end-vs-write-end.js b/benchmark/http/end-vs-write-end.js
index 163ad595a9..b7db1eaa78 100644
--- a/benchmark/http/end-vs-write-end.js
+++ b/benchmark/http/end-vs-write-end.js
@@ -8,9 +8,9 @@
 // Verify that our assumptions are valid.
 'use strict';
 
-var common = require('../common.js');
+const common = require('../common.js');
 
-var bench = common.createBenchmark(main, {
+const bench = common.createBenchmark(main, {
   type: ['asc', 'utf', 'buf'],
   len: [64 * 1024, 128 * 1024, 256 * 1024, 1024 * 1024],
   c: [100],
@@ -20,7 +20,7 @@ var bench = common.createBenchmark(main, {
 function main(conf) {
   const http = require('http');
   var chunk;
-  var len = conf.len;
+  const len = conf.len;
   switch (conf.type) {
     case 'buf':
       chunk = Buffer.alloc(len, 'x');
@@ -42,9 +42,9 @@ function main(conf) {
     res.end(chunk);
   }
 
-  var method = conf.method === 'write' ? write : end;
+  const method = conf.method === 'write' ? write : end;
 
-  var server = http.createServer(function(req, res) {
+  const server = http.createServer(function(req, res) {
     method(res);
   });
 
diff --git a/benchmark/http/http_server_for_chunky_client.js b/benchmark/http/http_server_for_chunky_client.js
index cc632c02ec..f079544e03 100644
--- a/benchmark/http/http_server_for_chunky_client.js
+++ b/benchmark/http/http_server_for_chunky_client.js
@@ -1,10 +1,10 @@
 'use strict';
 
-var assert = require('assert');
-var http = require('http');
-var fs = require('fs');
-var { fork } = require('child_process');
-var common = require('../common.js');
+const assert = require('assert');
+const http = require('http');
+const fs = require('fs');
+const { fork } = require('child_process');
+const common = require('../common.js');
 const { PIPE, tmpDir } = require('../../test/common');
 process.env.PIPE_NAME = PIPE;
 
@@ -20,7 +20,7 @@ try {
 } catch (e) { /* ignore */ }
 
 server = http.createServer(function(req, res) {
-  var headers = {
+  const headers = {
     'content-type': 'text/plain',
     'content-length': '2'
   };
diff --git a/benchmark/http/simple.js b/benchmark/http/simple.js
index 6dc69a2d8f..238cd1885d 100644
--- a/benchmark/http/simple.js
+++ b/benchmark/http/simple.js
@@ -1,8 +1,8 @@
 'use strict';
-var common = require('../common.js');
-var PORT = common.PORT;
+const common = require('../common.js');
+const PORT = common.PORT;
 
-var bench = common.createBenchmark(main, {
+const bench = common.createBenchmark(main, {
   // unicode confuses ab on os x.
   type: ['bytes', 'buffer'],
   len: [4, 1024, 102400],
@@ -17,7 +17,7 @@ function main(conf) {
   var server = require('../fixtures/simple-http-server.js')
   .listen(process.env.PORT || common.PORT)
   .on('listening', function() {
-    var path =
+    const path =
       `/${conf.type}/${conf.len}/${conf.chunks}/${conf.res}/${conf.chunkedEnc}`;
 
     bench.http({