year & month replaced by yearMonth object

app/location/[id]/add/page.tsx

@@ -1,7 +1,6 @@
+import { parseYearMonth } from '@/app/lib/format';
 import { LocationEditForm } from '@/app/ui/LocationEditForm';
 
 export default async function Page({ params:{ id } }: { params: { id:string } }) {
-
-    const [year, month] = id.split("-");
-    return (<LocationEditForm year={year} month={month} />);
+    return (<LocationEditForm yearMonth={ parseYearMonth(id) } />);
 }