fix: security with open module (#33) (#39)

Author: dbanksdesign

lib/commands/serve.js

@@ -4,7 +4,7 @@ const serveStatic = require('serve-static')
 const connect = require('connect')
 const livereload = require('connect-livereload')
 const lrserver = require('livereload')
-const open = require('open')
+const opn = require('opn')
 const chalk = require('chalk')
 const util = require('../util/index')
 
@@ -34,7 +34,7 @@ module.exports = function (path, openInBrowser, port, livereloadPort) {
   }).watch(path)
 
   if (openInBrowser) {
-    open(`http://localhost:${port}`)
+    opn(`http://localhost:${port}`)
   }
 
   const msg = '\nServing ' + chalk.green(`${path}`) + ' now.\n' +