src/routes/[slug]/+page.ts

import { error } from '@sveltejs/kit'

export async function load({ params }) {
	try {
		const snippet = await import(`../../snippets/${params.slug}.md`)
		if (!snippet) {
			throw error(404, `Could not find snippet ${params.slug}`)
		}

		return {
			snippet: snippet.metadata,
			content: snippet.default
		}
	} catch {
		throw error(404, `Could not find snippet ${params.slug}`)
	}
}