test: dns utils replace var

PR-URL: #30405 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: David Carlier <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]>
nodejs · Dec 17, 2019 · 7f0e7fd · 7f0e7fd
1 parent daa5932
commit 7f0e7fd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/internal/dns/utils.js b/lib/internal/dns/utils.js
@@ -52,7 +52,7 @@ class Resolver {
       if (typeof serv !== 'string') {
         throw new ERR_INVALID_ARG_TYPE(`servers[${index}]`, 'string', serv);
       }
-      var ipVersion = isIP(serv);
+      let ipVersion = isIP(serv);
 
       if (ipVersion !== 0)
         return newSet.push([ipVersion, serv, IANA_DNS_PORT]);