A lot of things.

resources/js/app.js

@@ -7,6 +7,7 @@ import hovercard from "./hovercard.js";
 import notifications from "./notifications.js";
 import conversations from "./conversations.js";
 import settings from "./settings.js";
+import {RomPatcher} from "./RomPatcher.js";
 
 /**
  * Get config defined in meta.blade.php
@@ -43,3 +44,6 @@ Alpine.store('conversations', conversations() );
 
 // Settings
 Alpine.store('settings', settings() );
+
+// ROMPatcher
+window.RomPatcher = RomPatcher;