blog/src/components/NoteTOC.astro

---
interface Props {
  headings: { depth: number; text: string; id: string }[];
}

const { headings } = Astro.props;
---

{
  headings.length > 0 && (
    <div
      class="collapse collapse-arrow mb-8 border border-base-300/40"
      style="background: oklch(4% 0 0);"
    >
      <input type="checkbox" />
      <div class="collapse-title font-mono text-xs text-base-content/35 flex items-center gap-2 py-2 px-3 min-h-0">
        <span class="text-primary/40">§</span>
        table of contents
      </div>
      <div class="collapse-content px-0 pb-0">
        <nav class="px-3 pb-3 pt-1 border-t border-base-300/30 space-y-0.5">
          {headings.map((h) => (
            <a
              href={`#${h.id}`}
              class:list={[
                "block text-xs text-base-content/45 hover:text-base-content/80 transition-colors py-0.5",
                h.depth === 3 ? "pl-4" : h.depth === 4 ? "pl-8" : "",
              ]}
            >
              <span class="font-mono text-primary/25 mr-1.5">
                {"#".repeat(h.depth)}
              </span>
              {h.text}
            </a>
          ))}
        </nav>
      </div>
    </div>
  )
}