fix: generalize frontmatter parsing and coercing

Jacky Zhao

2024-01-28 42ee069c1cc515e6c5e595143e46c8201c6cbe3f

 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>