Fix TypeScript typecheck errors

resources/js/admin/mobile/hooks/useDocumentTitle.ts

@@ -0,0 +1,19 @@
+import React from 'react';
+import { useTranslation } from 'react-i18next';
+
+const TITLE_SEPARATOR = ' · ';
+
+export function useDocumentTitle(title?: string | null) {
+  const { t, i18n } = useTranslation('mobile');
+  const language = i18n?.language;
+
+  React.useEffect(() => {
+    if (typeof document === 'undefined') {
+      return;
+    }
+
+    const baseTitle = t('header.documentTitle', 'Fotospiel.App Event Admin');
+    const resolvedTitle = typeof title === 'string' ? title.trim() : '';
+    document.title = resolvedTitle ? `${baseTitle}${TITLE_SEPARATOR}${resolvedTitle}` : baseTitle;
+  }, [language, t, title]);
+}