doc: update comments to use capital letters

benchmark/fixtures/simple-http-server.js

@@ -127,7 +127,7 @@ module.exports = http.createServer((req, res) => {
         });
       }
   }
-  // send body in chunks
+  // Send body in chunks
   if (n_chunks > 1) {
     const step = Math.floor(len / n_chunks) || 1;
     for (i = 0, n = (n_chunks - 1); i < n; ++i)

doc/api/console.md

@@ -116,7 +116,7 @@ const output = fs.createWriteStream('./stdout.log');
 const errorOutput = fs.createWriteStream('./stderr.log');
 // Custom simple logger
 const logger = new Console({ stdout: output, stderr: errorOutput });
-// use it like console
+// Use it like console
 const count = 5;
 logger.log('count: %d', count);
 // In stdout.log: count 5

doc/api/punycode.md

@@ -80,7 +80,7 @@ domain name will be converted. Calling `punycode.toASCII()` on a string that
 already only contains ASCII characters will have no effect.
 
 ```js
-// encode domain names
+// Encode domain names
 punycode.toASCII('mañana.com');  // 'xn--maana-pta.com'
 punycode.toASCII('☃-⌘.com');   // 'xn----dqo34k.com'
 punycode.toASCII('example.com'); // 'example.com'
@@ -98,7 +98,7 @@ containing [Punycode][] encoded characters into Unicode. Only the [Punycode][]
 encoded parts of the domain name are be converted.
 
 ```js
-// decode domain names
+// Decode domain names
 punycode.toUnicode('xn--maana-pta.com'); // 'mañana.com'
 punycode.toUnicode('xn----dqo34k.com');  // '☃-⌘.com'
 punycode.toUnicode('example.com');       // 'example.com'

doc/api/util.md

@@ -770,7 +770,7 @@ const arr = Array(101).fill(0);
 
 console.log(arr); // Logs the truncated array
 util.inspect.defaultOptions.maxArrayLength = null;
-console.log(arr); // logs the full array
+console.log(arr); // Logs the full array
 ```
 
 ## util.isDeepStrictEqual(val1, val2)

lib/_http_client.js

@@ -269,7 +269,7 @@ function ClientRequest(input, options, cb) {
     this._deferToConnect(null, null, () => this._flush());
   };
 
-  // initiate connection
+  // Initiate connection
   if (this.agent) {
     this.agent.addRequest(this, options);
   } else {

lib/internal/freeze_intrinsics.js

@@ -218,7 +218,7 @@ module.exports = function() {
           // this is a data property.
           const desc = descs[name];
           if ('value' in desc) {
-            // todo uncurried form
+            // TODO: Uncurried form
             enqueue(desc.value);
           } else {
             enqueue(desc.get);

lib/internal/fs/sync_write_stream.js

@@ -25,7 +25,7 @@ SyncWriteStream.prototype._write = function(chunk, encoding, cb) {
 };
 
 SyncWriteStream.prototype._destroy = function(err, cb) {
-  if (this.fd === null) // already destroy()ed
+  if (this.fd === null) // Already destroy()ed
     return cb(err);
 
   if (this.autoClose)

lib/internal/fs/utils.js

@@ -447,7 +447,7 @@ function warnOnNonPortableTemplate(template) {
 
 // This handles errors following the convention of the fs binding.
 function handleErrorFromBinding(ctx) {
-  if (ctx.errno !== undefined) {  // libuv error numbers
+  if (ctx.errno !== undefined) {  // Libuv error numbers
     const err = uvException(ctx);
     // eslint-disable-next-line no-restricted-syntax
     Error.captureStackTrace(err, handleErrorFromBinding);

lib/internal/readline.js

@@ -392,7 +392,7 @@ function* emitKeys(stream) {
       // tab
       key.name = 'tab';
     } else if (ch === '\b' || ch === '\x7f') {
-      // backspace or ctrl+h
+      // Backspace or ctrl+h
       key.name = 'backspace';
       key.meta = escaped;
     } else if (ch === kEscape) {

lib/readline.js

@@ -885,7 +885,7 @@ Interface.prototype._ttyWrite = function(s, key) {
         this._deleteLeft();
         break;
 
-      case 'd': // delete right or EOF
+      case 'd': // Delete right or EOF
         if (this.cursor === 0 && this.line.length === 0) {
           // This readline instance is finished
           this.close();
@@ -988,7 +988,7 @@ Interface.prototype._ttyWrite = function(s, key) {
         this._wordRight();
         break;
 
-      case 'd': // delete forward word
+      case 'd': // Delete forward word
       case 'delete':
         this._deleteWordRight();
         break;

lib/url.js

@@ -280,7 +280,7 @@ Url.prototype.parse = function parse(url, parseQueryString, slashesDenoteHost) {
   if (!hostlessProtocol.has(lowerProto) &&
       (slashes || (proto && !slashedProtocol.has(proto)))) {
 
-    // there's a hostname.
+    // There's a hostname.
     // the first instance of /, ?, ;, or # ends the host.
     //
     // If there is an @ in the hostname, then non-host chars *are* allowed

test/async-hooks/test-ttywrap.readstream.js

@@ -14,7 +14,7 @@ hooks.enable();
 if (!process.stdin.isTTY)
   return common.skip('no valid readable TTY available');
 
-// test specific setup
+// Test specific setup
 const checkInitOpts = { init: 1 };
 const checkEndedOpts = { init: 1, before: 1, after: 1, destroy: 1 };
 

test/async-hooks/test-ttywrap.writestream.js

@@ -14,7 +14,7 @@ hooks.enable();
 if (!process.stdout.isTTY)
   return common.skip('no valid writable TTY available');
 
-// test specific setup
+// Test specific setup
 const checkInitOpts = { init: 1 };
 const checkEndedOpts = { init: 1, before: 1, after: 1, destroy: 1 };
 

test/message/undefined_reference_in_new_context.js

@@ -25,7 +25,7 @@ const vm = require('vm');
 
 console.error('before');
 
-// undefined reference
+// Undefined reference
 vm.runInNewContext('foo.bar = 5;');
 
 console.error('after');

test/parallel/test-buffer-includes.js

@@ -100,7 +100,7 @@ assert.strictEqual(
   true
 );
 
-// test ascii encoding
+// Test ascii encoding
 assert.strictEqual(
   Buffer.from(b.toString('ascii'), 'ascii')
     .includes('d', 0, 'ascii'),

test/parallel/test-buffer-indexof.js

@@ -108,7 +108,7 @@ assert.strictEqual(
   3
 );
 
-// test ascii encoding
+// Test ascii encoding
 assert.strictEqual(
   Buffer.from(b.toString('ascii'), 'ascii')
     .indexOf('d', 0, 'ascii'),

test/parallel/test-child-process-no-deprecation.js

@@ -8,7 +8,7 @@ if (process.argv[2] === 'child') {
   // parent process
   const spawn = require('child_process').spawn;
 
-  // spawn self as child
+  // Spawn self as child
   const child = spawn(process.execPath, [process.argv[1], 'child']);
 
   child.stderr.on('data', common.mustNotCall());

test/parallel/test-child-process-stdout-flush-exit.js

@@ -35,7 +35,7 @@ if (process.argv[2] === 'child') {
   // parent process
   const spawn = require('child_process').spawn;
 
-  // spawn self as child
+  // Spawn self as child
   const child = spawn(process.argv[0], [process.argv[1], 'child']);
 
   let stdout = '';

test/parallel/test-fs-utimes.js

@@ -95,7 +95,7 @@ function runTests(iter) {
     fs.utimes('foobarbaz', atime, mtime, common.mustCall((err) => {
       expect_errno('utimes', 'foobarbaz', err, 'ENOENT');
 
-      // don't close this fd
+      // Don't close this fd
       if (common.isWindows) {
         fd = fs.openSync(tmpdir.path, 'r+');
       } else {

test/parallel/test-module-version.js

@@ -2,7 +2,7 @@
 require('../common');
 const assert = require('assert');
 
-// check for existence
+// Check for existence
 assert(process.config.variables.hasOwnProperty('node_module_version'));
 
 // Ensure that `node_module_version` is an Integer > 0

test/parallel/test-os.js

@@ -122,7 +122,7 @@ is.string(arch);
 assert.ok(arch.length > 0);
 
 if (!common.isSunOS) {
-  // not implemented yet
+  // Not implemented yet
   assert.ok(os.loadavg().length > 0);
   assert.ok(os.freemem() > 0);
   assert.ok(os.totalmem() > 0);

test/parallel/test-readline-interface.js

@@ -111,7 +111,7 @@ function isWarned(emitter) {
     rli.close();
   }
 
-  // sending a full line
+  // Sending a full line
   {
     const fi = new FakeInput();
     const rli = new readline.Interface(

test/parallel/test-repl-pretty-custom-stack.js

@@ -60,7 +60,7 @@ const tests = [
     command: 'foo = bar;',
     expected: 'Thrown:\nReferenceError: bar is not defined\n'
   },
-  // test anonymous IIFE
+  // Test anonymous IIFE
   {
     command: '(function() { throw new Error(\'Whoops!\'); })()',
     expected: 'Thrown:\nError: Whoops!--->\nrepl:1:21\n'

test/parallel/test-tls-alpn-server-client.js

@@ -128,13 +128,13 @@ function Test3() {
   }];
 
   runTest(clientsOptions, serverOptions, function(results) {
-    // nothing is selected
+    // Nothing is selected
     checkResults(results[0], { server: { ALPN: false },
                                client: { ALPN: false } });
-    // nothing is selected
+    // Nothing is selected
     checkResults(results[1], { server: { ALPN: false },
                                client: { ALPN: false } });
-    // nothing is selected
+    // Nothing is selected
     checkResults(results[2],
                  { server: { ALPN: false },
                    client: { ALPN: false } });
@@ -150,13 +150,13 @@ function Test4() {
   const clientsOptions = [{}, {}, {}];
 
   runTest(clientsOptions, serverOptions, function(results) {
-    // nothing is selected
+    // Nothing is selected
     checkResults(results[0], { server: { ALPN: false },
                                client: { ALPN: false } });
-    // nothing is selected
+    // Nothing is selected
     checkResults(results[1], { server: { ALPN: false },
                                client: { ALPN: false } });
-    // nothing is selected
+    // Nothing is selected
     checkResults(results[2],
                  { server: { ALPN: false },
                    client: { ALPN: false } });

test/parallel/test-tls-handshake-nohang.js

@@ -27,6 +27,6 @@ if (!common.hasCrypto)
 
 const tls = require('tls');
 
-// neither should hang
+// Neither should hang
 tls.createSecurePair(null, false, false, false);
 tls.createSecurePair(null, true, false, false);

test/parallel/test-tls-inception.js

@@ -54,7 +54,7 @@ const a = tls.createServer(options, function(socket) {
   });
 });
 
-// the "target" server
+// The "target" server
 const b = tls.createServer(options, function(socket) {
   socket.end(body);
 });

test/sequential/test-cli-syntax-file-not-found.js

@@ -15,7 +15,7 @@ const syntaxArgs = [
 
 const notFoundRE = /^Error: Cannot find module/m;
 
-// test file not found
+// Test file not found
 [
   'syntax/file_not_found.js',
   'syntax/file_not_found'

test/sequential/test-stream2-stderr-sync.js

@@ -45,7 +45,7 @@ function parent() {
   });
 }
 
-// using console.error
+// Using console.error
 function child0() {
   console.error('child 0');
   console.error('foo');