dns: avoid use of arguments

PR-URL: #11359
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Michael Dawson <[email protected]>
Reviewed-By: Michaël Zasso <[email protected]>
Reviewed-By: Сковорода Никита Андреевич <[email protected]

Author: jasnell

lib/dns.js

@@ -56,15 +56,12 @@ function errnoException(err, syscall, hostname) {
 //   callback.immediately = true;
 // }
 function makeAsync(callback) {
-  return function asyncCallback() {
+  return function asyncCallback(...args) {
     if (asyncCallback.immediately) {
       // The API already returned, we can invoke the callback immediately.
-      callback.apply(null, arguments);
+      callback.apply(null, args);
     } else {
-      var args = new Array(arguments.length + 1);
-      args[0] = callback;
-      for (var i = 0; i < arguments.length; ++i)
-        args[i + 1] = arguments[i];
+      args.unshift(callback);
       process.nextTick.apply(null, args);
     }
   };