Update bench & preview for emoji support

bench/index.js

@@ -3,11 +3,13 @@ const badgen = require('..')
 
 const longParams = { subject: 'build-build-build', status: 'passing-passing-passing' }
 const fullParams = { subject: 'license', status: 'MIT', color: 'cyan' }
+const emojiParams = { subject: 'emojis', status: '💩🤱🦄' }
 
 new Suite()
   .add('[classic] style, long params ', () => badgen(longParams))
   .add('[classic] style, full params ', () => badgen(fullParams))
   .add('   [flat] style, long params ', () => badgen({ style: 'flat', ...longParams }))
   .add('   [flat] style, full params ', () => badgen({ style: 'flat', ...fullParams }))
+  .add('[classic] style, multi bytes ', () => badgen(emojiParams))
   .on('cycle', event => console.log(String(event.target)))
   .run()

preview/preview.md

@@ -29,3 +29,10 @@
 |![](/style/standard/f2a/flat) | [/style/standard/f2a/flat](/style/standard/f2a/flat) |
 |![](/license/Apache-2.0/blue/flat) | [/license/Apache-2.0/blue/flat](/license/Apache-2.0/blue/flat) |
 |![](/Language/Swift%203.0.1/orange/flat) | [/Language/Swift%203.0.1/orange/flat](/Language/Swift%203.0.1/orange/flat) |
+
+## Multibytes unicode
+
+| Badge | URL |
+| --- | --- |
+|![](/emoji/💩🤱🦄/cyan/flat?unicode=1) | [/emoji/💩🤱🦄/cyan/flat?unicode=1](/emoji/💩🤱🦄/cyan/flat?unicode=1) |
+|![](/emoji/💩🤱🦄/cyan/?unicode=1) | [/emoji/💩🤱🦄/cyan/?unicode=1](/emoji/💩🤱🦄/cyan/?unicode=1) |

preview/serve.js

@@ -7,12 +7,13 @@ const badgen = require('..')
 // @example
 // http://localhost:3000/npm/v1.2.3
 const serveBadge = (req, res) => {
+  const unicode = Boolean(qs.parse(req.url.split('?')[1]).unicode)
   const [ subject, status, color, style ] = req.url.split('/')
     .filter(Boolean)
     .map(s => qs.unescape(s))
 
   res.writeHead(200, { 'Content-Type': 'image/svg+xml;charset=utf-8' })
-  res.end(badgen({subject, status, color, style}))
+  res.end(badgen({subject, status, color, style, unicode}))
 }
 
 // @example