fix: dns require (#155)

multiformats · Oct 30, 2020 · 4c89dcf · 4c89dcf
1 parent 6e88cd4
commit 4c89dcf
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/resolvers/dns.js b/src/resolvers/dns.js
@@ -4,6 +4,9 @@ let dns
 
 try {
   dns = require('dns').promises
+  if (!dns) {
+    throw new Error('no dns available')
+  }
 } catch (err) {
   dns = require('dns-over-http-resolver')
 }