Oops lol

src/frontend/use_const.ts

@@ -5,7 +5,7 @@ export function useConst<T>(initialCb: ()=>T): T {
   const ref = React.useRef<T>();
   if (ref.current === undefined) {
     const initialValue = initialCb();
-    ref.current = initialCb();
+    ref.current = initialValue;
   }
   return ref.current!;
 }