feature(readdir) function -> arrow function

Author: coderaiser

lib/readdir.js

@@ -7,7 +7,7 @@ const tryToCatch = require('try-to-catch');
 const superstat = require('superstat');
 const currify = require('currify');
 
-const noop = function() {};
+const noop = () => {};
 const {assign} = Object;
 
 const stat = currify(async (dir, name) => {