lib: re-export error code constants from dns/promises

Author: F3n67u

lib/dns/promises.js

@@ -1,5 +1,34 @@
 'use strict';
 
 const dnsPromises = require('internal/dns/promises');
-dnsPromises.setServers = require('dns').setServers;
+const dns = require('dns');
+
+dnsPromises.setServers = dns.setServers;
+
+// ERROR CODES
+dnsPromises.NODATA = dns.NODATA;
+dnsPromises.FORMERR = dns.FORMERR;
+dnsPromises.SERVFAIL = dns.SERVFAIL;
+dnsPromises.NOTFOUND = dns.NOTFOUND;
+dnsPromises.NOTIMP = dns.NOTIMP;
+dnsPromises.REFUSED = dns.REFUSED;
+dnsPromises.BADQUERY = dns.BADQUERY;
+dnsPromises.BADNAME = dns.BADNAME;
+dnsPromises.BADFAMILY = dns.BADFAMILY;
+dnsPromises.BADRESP = dns.BADRESP;
+dnsPromises.CONNREFUSED = dns.CONNREFUSED;
+dnsPromises.TIMEOUT = dns.TIMEOUT;
+dnsPromises.EOF = dns.EOF;
+dnsPromises.FILE = dns.FILE;
+dnsPromises.NOMEM = dns.NOMEM;
+dnsPromises.DESTRUCTION = dns.DESTRUCTION;
+dnsPromises.BADSTR = dns.BADSTR;
+dnsPromises.BADFLAGS = dns.BADFLAGS;
+dnsPromises.NONAME = dns.NONAME;
+dnsPromises.BADHINTS = dns.BADHINTS;
+dnsPromises.NOTINITIALIZED = dns.NOTINITIALIZED;
+dnsPromises.LOADIPHLPAPI = dns.LOADIPHLPAPI;
+dnsPromises.ADDRGETNETWORKPARAMS = dns.ADDRGETNETWORKPARAMS;
+dnsPromises.CANCELLED = dns.CANCELLED;
+
 module.exports = dnsPromises;