dns: name generated functions

PR-URL: https://github.com/nodejs/node/pull/14518
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>

1 files changed, 4 insertions, 2 deletions

diff --git a/lib/dns.js b/lib/dns.js
index 90eaac3122..036197c28d 100644
--- a/lib/dns.js
+++ b/lib/dns.js
@@ -254,7 +254,7 @@ class Resolver {
 }
 
 function resolver(bindingName) {
-  return function query(name, /* options, */ callback) {
+  function query(name, /* options, */ callback) {
     var options;
     if (arguments.length > 2) {
       options = callback;
@@ -277,7 +277,9 @@ function resolver(bindingName) {
     var err = this._handle[bindingName](req, name);
     if (err) throw errnoException(err, bindingName);
     return req;
-  };
+  }
+  Object.defineProperty(query, 'name', { value: bindingName });
+  return query;
 }
 
 var resolveMap = Object.create(null);