test: use eslint to fix var->const/let

Manually fix issues that eslint --fix couldn't do automatically.

PR-URL: https://github.com/nodejs/node/pull/10685
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>

1 files changed, 11 insertions, 9 deletions

diff --git a/test/parallel/test-fs-sir-writes-alot.js b/test/parallel/test-fs-sir-writes-alot.js
index 85feac59dd..7bf97ff1d5 100644
--- a/test/parallel/test-fs-sir-writes-alot.js
+++ b/test/parallel/test-fs-sir-writes-alot.js
@@ -4,33 +4,35 @@ const fs = require('fs');
 const assert = require('assert');
 const join = require('path').join;
 
-var filename = join(common.tmpDir, 'out.txt');
+const filename = join(common.tmpDir, 'out.txt');
 
 common.refreshTmpDir();
 
-var fd = fs.openSync(filename, 'w');
+const fd = fs.openSync(filename, 'w');
 
-var line = 'aaaaaaaaaaaaaaaaaaaaaaaaaaaa\n';
+const line = 'aaaaaaaaaaaaaaaaaaaaaaaaaaaa\n';
 
-var N = 10240, complete = 0;
-for (var i = 0; i < N; i++) {
+const N = 10240;
+let complete = 0;
+
+for (let i = 0; i < N; i++) {
   // Create a new buffer for each write. Before the write is actually
   // executed by the thread pool, the buffer will be collected.
-  var buffer = Buffer.from(line);
+  const buffer = Buffer.from(line);
   fs.write(fd, buffer, 0, buffer.length, null, function(er, written) {
     complete++;
     if (complete === N) {
       fs.closeSync(fd);
-      var s = fs.createReadStream(filename);
+      const s = fs.createReadStream(filename);
       s.on('data', testBuffer);
     }
   });
 }
 
-var bytesChecked = 0;
+let bytesChecked = 0;
 
 function testBuffer(b) {
-  for (var i = 0; i < b.length; i++) {
+  for (let i = 0; i < b.length; i++) {
     bytesChecked++;
     if (b[i] !== 'a'.charCodeAt(0) && b[i] !== '\n'.charCodeAt(0)) {
       throw new Error('invalid char ' + i + ',' + b[i]);