refactor: modernize codebase and unify code style (#9)

bench/index.js

@@ -2,7 +2,10 @@ const { Suite } = require('benchmark')
 const badgen = require('..')
 const dockerIcon = require('../test/docker-icon-b64.js')
 
-const longParams = { subject: 'build-build-build', status: 'passing-passing-passing' }
+const longParams = {
+  subject: 'build-build-build',
+  status: 'passing-passing-passing'
+}
 const fullParams = { subject: 'license', status: 'Apache 2.0', color: 'cyan' }
 const emojiParams = { subject: 'emojis', status: '💩🤱🦄💩🤱🦄', emoji: true }
 const iconParams = { subject: 'docker', status: 'badge', icon: dockerIcon }

lib/calc-text-width.js

@@ -1,12 +1,12 @@
 const widthsVerdana11 = require('./widths-verdana-11.json')
 const astralRegex = require('unicode-astral-regex')
 
-function calcWidth (charWidthTable) {
+const calcWidth = (charWidthTable) => {
   const SCALE = 10 // Prevent results like 60.599999999999994
   const widthTable = charWidthTable.map(w => Math.round(w * SCALE))
   widthTable[64] = widthTable[64] + 6 // Slightly increase width of "@" by 0.6px
 
-  return function (text, astral) {
+  return (text, astral) => {
     if (astral) text = text.match(astralRegex)
 
     let total = 0

lib/index.js

@@ -1,7 +1,7 @@
 const calcWidth = require('./calc-text-width.js').Verdana11
 const colorPresets = require('./color-presets.js')
 
-module.exports = function ({subject, status, color, style, emoji, icon, iconWidth = 13}) {
+module.exports = ({ subject, status, color, style, emoji, icon, iconWidth = 13 }) => {
   typeAssert(typeof subject === 'string', '<subject> must be string')
   typeAssert(typeof status === 'string', '<status> must be string')
   color = colorPresets[color] || color || colorPresets['blue']
@@ -54,6 +54,6 @@ module.exports = function ({subject, status, color, style, emoji, icon, iconWidt
   `
 }
 
-function typeAssert (assertion, message) {
+const typeAssert = (assertion, message) => {
   if (!assertion) throw new TypeError(message)
 }

preview/serve.js

@@ -18,7 +18,7 @@ const serveBadge = (req, res) => {
     .map(s => qs.unescape(s))
 
   res.writeHead(200, { 'Content-Type': 'image/svg+xml;charset=utf-8' })
-  res.end(badgen({subject, status, color, style, emoji, icon}))
+  res.end(badgen({ subject, status, color, style, emoji, icon }))
 }
 
 // @example
@@ -44,8 +44,11 @@ const serve404 = (req, res) => {
 
 http.createServer((req, res) => {
   switch (req.url) {
-    case '/': return serveIndex(req, res)
-    case '/favicon.ico': return serve404(req, res)
-    default: return serveBadge(req, res)
+    case '/':
+      return serveIndex(req, res)
+    case '/favicon.ico':
+      return serve404(req, res)
+    default:
+      return serveBadge(req, res)
   }
 }).listen(3000)