update eslint rules and format JavaScript

- set maximum line length to 120
- don't require a space immediately after the line comment character or inside a block comment
- format JavaScript

.eslintrc

@@ -2,6 +2,8 @@
   "extends": "standard",
   "rules": {
     "arrow-parens": ["error", "always"],
-    "comma-dangle": ["error", "always-multiline"]
+    "comma-dangle": ["error", "always-multiline"],
+    "max-len": [1, 120, 2],
+    "spaced-comment": "off"
   }
 }

gulpfile.js

@@ -18,11 +18,7 @@ const previewSiteDestDir = path.join(buildDir, 'preview-site')
 const srcDir = 'src'
 const destDir = path.join(previewSiteDestDir, '_')
 
-const jsFiles = [
-  'gulpfile.js',
-  'tasks/**/*.js',
-  path.join(srcDir, '{helpers,js}/**/*.js'),
-]
+const jsFiles = ['gulpfile.js', 'tasks/**/*.js', path.join(srcDir, '{helpers,js}/**/*.js')]
 
 gulp.task('lint:css', () => lintCss(`${srcDir}/css/**/*.css`))
 gulp.task('lint:js', () => lintJs(jsFiles))
@@ -32,9 +28,7 @@ gulp.task('format', () => format(jsFiles))
 
 gulp.task('build', () => build(srcDir, destDir))
 
-gulp.task('build:preview', ['build'], () =>
-  buildPreview(srcDir, destDir, previewSiteSrcDir, previewSiteDestDir)
-)
+gulp.task('build:preview', ['build'], () => buildPreview(srcDir, destDir, previewSiteSrcDir, previewSiteDestDir))
 
 gulp.task('preview', ['build:preview'], () =>
   preview(previewSiteDestDir, {

src/js/vendor/highlight.js

@@ -1,4 +1,4 @@
-var hljs = window.hljs = require('highlight.js/lib/highlight')
+var hljs = (window.hljs = require('highlight.js/lib/highlight'))
 hljs.registerLanguage('apache', require('highlight.js/lib/languages/apache'))
 hljs.registerLanguage('asciidoc', require('highlight.js/lib/languages/asciidoc'))
 hljs.registerLanguage('bash', require('highlight.js/lib/languages/bash'))

tasks/build-preview.js

@@ -9,11 +9,7 @@ const vfs = require('vinyl-fs')
 const yaml = require('js-yaml')
 
 module.exports = async (src, dest, siteSrc, siteDest) => {
-  const [layouts] = await Promise.all([
-    compileLayouts(src),
-    registerPartials(src),
-    registerHelpers(src),
-  ])
+  const [layouts] = await Promise.all([compileLayouts(src), registerPartials(src), registerHelpers(src)])
 
   const mockUIModel = loadSampleUIModel(siteSrc)
 
@@ -22,10 +18,7 @@ module.exports = async (src, dest, siteSrc, siteDest) => {
     .pipe(
       map((file, next) => {
         const compiledLayout = layouts['default.hbs']
-        const siteRootPath = path.relative(
-          path.dirname(file.path),
-          path.resolve(siteSrc)
-        )
+        const siteRootPath = path.relative(path.dirname(file.path), path.resolve(siteSrc))
         mockUIModel['siteRootPath'] = siteRootPath
         mockUIModel['siteRootUrl'] = path.join(siteRootPath, 'index.html')
         mockUIModel['uiRootPath'] = path.join(siteRootPath, '_')
@@ -75,10 +68,7 @@ function compileLayouts (src) {
       .src('layouts/*.hbs', { base: src, cwd: src })
       .pipe(
         map((file, next) => {
-          layouts[file.basename] = handlebars.compile(
-            file.contents.toString(),
-            { preventIndent: true }
-          )
+          layouts[file.basename] = handlebars.compile(file.contents.toString(), { preventIndent: true })
           next(null, file)
         })
       )
@@ -88,7 +78,5 @@ function compileLayouts (src) {
 }
 
 function loadSampleUIModel (siteSrc) {
-  return yaml.safeLoad(
-    fs.readFileSync(path.join(siteSrc, 'ui-model.yml'), 'utf8')
-  )
+  return yaml.safeLoad(fs.readFileSync(path.join(siteSrc, 'ui-model.yml'), 'utf8'))
 }

tasks/build.js

@@ -36,9 +36,11 @@ module.exports = (src, dest) => {
 
     vfs
       .src('js/vendor/*.js', Object.assign({ read: false }, opts))
-      .pipe(tap((file) => {
-        file.contents = browserify(file.relative, { basedir: src, detectGlobals: false }).bundle()
-      }))
+      .pipe(
+        tap((file) => {
+          file.contents = browserify(file.relative, { basedir: src, detectGlobals: false }).bundle()
+        })
+      )
       .pipe(buffer())
       .pipe(uglify()),
 

tasks/lib/gulp-prettier-eslint.js

@@ -27,9 +27,7 @@ module.exports = () => {
     }
 
     if (file.isStream()) {
-      return callback(
-        new PluginError('gulp-prettier-eslint', 'Streaming not supported')
-      )
+      return callback(new PluginError('gulp-prettier-eslint', 'Streaming not supported'))
     }
 
     const input = file.contents.toString()