[...slug].md.ts

import { getCollection } from "astro:content";
import type { APIRoute } from "astro";

export async function getStaticPaths() {
	const docs = await getCollection("docs");
	return docs.map((doc) => ({
		params: { slug: doc.slug },
		props: doc,
	}));
}

export const GET: APIRoute = async ({ params }) => {
	// If no slug is provided, return 404
	if (!params.slug) {
		return new Response("Not Found", { status: 404 });
	}

	try {
		// Fetch all documentation
		const docs = await getCollection("docs");

		// Find the matching document
		const doc = docs.find((d) => d.slug === params.slug);

		if (!doc) {
			return new Response("Document not found", { status: 404 });
		}

		// Return the raw document content (including frontmatter)
		return new Response(doc.body, {
			headers: {
				"Content-Type": "text/markdown; charset=utf-8",
				"X-Robots-Tag": "noindex, nofollow",
				"Cache-Control": "public, max-age=3600",
			},
		});
	} catch (error) {
		console.error(`Error fetching markdown for slug "${params.slug}":`, error);
		return new Response("Internal Server Error", { status: 500 });
	}
};