fix: apply default localhost in internal generateURL util

Author: pi0

src/_utils.ts

@@ -70,7 +70,11 @@ export function generateURL(
     hostname = `[${hostname}]`;
   }
   return (
-    proto + hostname + ":" + port + (baseURL || listhenOptions.baseURL || "")
+    proto +
+    (hostname || "localhost") +
+    ":" +
+    port +
+    (baseURL || listhenOptions.baseURL || "")
   );
 }
 

src/listen.ts

@@ -130,10 +130,8 @@ export async function listen(
   }
 
   // --- GetURL Utility ---
-  const getURL = (
-    host = listhenOptions.hostname || "localhost",
-    baseURL?: string,
-  ) => generateURL(host, listhenOptions, baseURL);
+  const getURL = (host = listhenOptions.hostname, baseURL?: string) =>
+    generateURL(host, listhenOptions, baseURL);
 
   // --- Start Tunnel ---
   let tunnel: Tunnel | undefined;