fix: correctly parse falsy js as title (#900)

Eiko Wagenknecht

2024-02-19 b6cf3df84f452c22ac9ddaf452b0ecbe0828086f

 index.d.ts

@@ -6,6 +6,7 @@
// dom custom event
interface CustomEventMap {
  nav: CustomEvent<{ url: FullSlug }>
  themechange: CustomEvent<{ theme: "light" | "dark" }>
}

declare const fetchData: Promise<ContentIndex>