use directories for structure

node_modules/try-catch/lib/try-catch.js

@@ -1,10 +1,8 @@
 'use strict';
 
-module.exports = function tryCatch(fn) {
-    var args = [].slice.call(arguments, 1);
-    
+module.exports = (fn, ...args) => {
     try {
-        return [null, fn.apply(null, args)];
+        return [null, fn(...args)];
     } catch(e) {
         return [e];
     }