tools: increase lint coverage

Extend linting to tools/license2rtf.js and any other JS that gets added
to the `tools` directory by default.

This incidentally simplifies lint invocation.

PR-URL: https://github.com/nodejs/node/pull/7647
Reviewed-By: Michaël Zasso <mic.besace@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>

.eslintignore

@@ -2,7 +2,7 @@ lib/internal/v8_prof_polyfill.js
 lib/punycode.js
 test/addons/??_*/
 test/fixtures
-test/**/node_modules
 test/disabled
 test/tmp*/
-tools/doc/node_modules
+tools/eslint
+node_modules

Makefile

@@ -678,13 +678,11 @@ bench-idle:
 	$(NODE) benchmark/idle_clients.js &
 
 jslint:
-	$(NODE) tools/jslint.js -J benchmark lib src test tools/doc \
+	$(NODE) tools/jslint.js -J benchmark lib src test tools
-	  tools/eslint-rules tools/jslint.js
 
 jslint-ci:
 	$(NODE) tools/jslint.js $(PARALLEL_ARGS) -f tap -o test-eslint.tap \
-		benchmark lib src test tools/doc \
+		benchmark lib src test tools
-		tools/eslint-rules tools/jslint.js
 
 CPPLINT_EXCLUDE ?=
 CPPLINT_EXCLUDE += src/node_root_certs.h

tools/license2rtf.js

@@ -1,15 +1,16 @@
+'use strict';
 
-var assert = require('assert'),
+const assert = require('assert');
-    Stream = require('stream'),
+const Stream = require('stream');
-    inherits = require('util').inherits;
+const inherits = require('util').inherits;
 
 
 /*
  * This filter consumes a stream of characters and emits one string per line.
  */
 function LineSplitter() {
-  var self = this,
+  const self = this;
-      buffer = "";
+  var buffer = '';
 
   Stream.call(this);
   this.writable = true;
@@ -38,12 +39,11 @@ inherits(LineSplitter, Stream);
  * This filter consumes lines and emits paragraph objects.
  */
 function ParagraphParser() {
-  var self = this,
+  const self = this;
-      block_is_license_block = false,
+  var block_is_license_block = false;
-      block_has_c_style_comment,
+  var block_has_c_style_comment;
-      is_first_line_in_paragraph,
+  var paragraph_line_indent;
-      paragraph_line_indent,
+  var paragraph;
-      paragraph;
 
   Stream.call(this);
   this.writable = true;
@@ -64,7 +64,6 @@ function ParagraphParser() {
   };
 
   function resetParagraph() {
-    is_first_line_in_paragraph = true;
     paragraph_line_indent = -1;
 
     paragraph = {
@@ -165,8 +164,6 @@ function ParagraphParser() {
 
     if (line)
       paragraph.lines.push(line);
-
-    is_first_line_in_paragraph = false;
   }
 }
 inherits(ParagraphParser, Stream);
@@ -184,9 +181,9 @@ function Unwrapper() {
   this.writable = true;
 
   this.write = function(paragraph) {
-    var lines = paragraph.lines,
+    var lines = paragraph.lines;
-        break_after = [],
+    var break_after = [];
-        i;
+    var i;
 
     for (i = 0; i < lines.length - 1; i++) {
       var line = lines[i];
@@ -203,7 +200,7 @@ function Unwrapper() {
       }
     }
 
-    for (i = 0; i < lines.length - 1; ) {
+    for (i = 0; i < lines.length - 1;) {
       if (!break_after[i]) {
         lines[i] += ' ' + lines.splice(i + 1, 1)[0];
       } else {
@@ -233,8 +230,8 @@ inherits(Unwrapper, Stream);
  * This filter generates an rtf document from a stream of paragraph objects.
  */
 function RtfGenerator() {
-  var self = this,
+  const self = this;
-      did_write_anything = false;
+  var did_write_anything = false;
 
   Stream.call(this);
   this.writable = true;
@@ -245,11 +242,11 @@ function RtfGenerator() {
       did_write_anything = true;
     }
 
-    var li = paragraph.li,
+    var li = paragraph.li;
-        level = paragraph.level + (li ? 1 : 0),
+    var level = paragraph.level + (li ? 1 : 0);
-        lic = paragraph.in_license_block;
+    var lic = paragraph.in_license_block;
 
-    var rtf = "\\pard";
+    var rtf = '\\pard';
     rtf += '\\sa150\\sl300\\slmult1';
     if (level > 0)
       rtf += '\\li' + (level * 240);
@@ -295,6 +292,7 @@ function RtfGenerator() {
       .replace(/\t/g, function() {
         return '\\tab ';
       })
+      // eslint-disable-next-line no-control-regex
       .replace(/[\x00-\x1f\x7f-\xff]/g, function(m) {
         return '\\\'' + toHex(m.charCodeAt(0), 2);
       })
@@ -317,12 +315,12 @@ function RtfGenerator() {
 inherits(RtfGenerator, Stream);
 
 
-var stdin = process.stdin,
+const stdin = process.stdin;
-    stdout = process.stdout,
+const stdout = process.stdout;
-    line_splitter = new LineSplitter(),
+const line_splitter = new LineSplitter();
-    paragraph_parser = new ParagraphParser(),
+const paragraph_parser = new ParagraphParser();
-    unwrapper = new Unwrapper(),
+const unwrapper = new Unwrapper();
-    rtf_generator = new RtfGenerator();
+const rtf_generator = new RtfGenerator();
 
 stdin.setEncoding('utf-8');
 stdin.resume();

vcbuild.bat

@@ -348,12 +348,12 @@ if defined jslint_ci goto jslint-ci
 if not defined jslint goto exit
 if not exist tools\eslint\bin\eslint.js goto no-lint
 echo running jslint
-%config%\node tools\jslint.js -J benchmark lib src test tools\doc tools\eslint-rules tools\jslint.js
+%config%\node tools\jslint.js -J benchmark lib src test tools
 goto exit
 
 :jslint-ci
 echo running jslint-ci
-%config%\node tools\jslint.js -J -f tap -o test-eslint.tap benchmark lib src test tools\doc tools\eslint-rules tools\jslint.js
+%config%\node tools\jslint.js -J -f tap -o test-eslint.tap benchmark lib src test tools
 goto exit
 
 :no-lint