import adapter from '@sveltejs/adapter-node'
import { vitePreprocess } from '@sveltejs/vite-plugin-svelte'
import { mdsvex, escapeSvelte } from 'mdsvex'
import { createHighlighter } from 'shiki'

const highlighterPromise = createHighlighter({
	themes: ['github-dark'],
	langs: ['sql', 'text']
})

/** @type {import('mdsvex').MdsvexOptions} */
const mdsvexOptions = {
	extensions: ['.md'],
	highlight: {
		highlighter: async (code, lang = 'text') => {
			const highlighter = await highlighterPromise
			const html = escapeSvelte(highlighter.codeToHtml(code, { lang, theme: 'github-dark' }))
			return `{@html \`${html}\` }`
		}
	},
}

/** @type {import('@sveltejs/kit').Config} */
const config = {
	extensions: ['.svelte', '.md'],
	preprocess: [vitePreprocess(), mdsvex(mdsvexOptions)],
	kit: {
		adapter: adapter()
	}
}

export default config