small fix

sadasant · sadasant · commit bd610463eadf · 2019-07-06T13:53:33.000-04:00
diff --git a/index.js b/index.js
@@ -35,7 +35,7 @@ function HttpsProxyAgent(opts) {
   var proxy;
 
   // If the opts are genearted with the WHATWG API
-  if (Object.getOwnPropertySymbols(opts)[0]) {
+  if (opts && Object.getOwnPropertySymbols(opts)[0]) {
     proxy = {};
     let urlContext = opts[Object.getOwnPropertySymbols(opts)[0]];
     for (let key of Object.keys(urlContext)) {
