🐛 Prevent login w/o credentials

index.js

@@ -13,6 +13,7 @@ new Server({
         if(authentication.method !== 'password')
             return authentication.reject(['password']);
         const { username, password } = authentication;
+        if(!username || !password) return authentication.reject();
         authentication.accept();
         client.once('session', async accept => await tui(accept(), username, password));
     });