svelte.config.js

import adapter from '@sveltejs/adapter-static'
import { vitePreprocess } from '@sveltejs/vite-plugin-svelte'

import { mdsvex, escapeSvelte } from 'mdsvex'
import { getHighlighter } from 'shiki'
import remarkUnwrapImages from 'remark-unwrap-images'
import remarkToc from 'remark-toc'
import rehypeSlug from 'rehype-slug'

/** @type {import('mdsvex').MdsvexOptions} */
const mdsvexOptions = {
	extensions: ['.md'],
	layout: {
		_: './src/mdsvex.svelte'
	},
	highlight: {
		highlighter: async (code, lang = 'text') => {
			const highlighter = await getHighlighter({
				themes: ['poimandres'],
				langs: ['javascript', 'typescript']
			})
			await highlighter.loadLanguage('javascript', 'typescript')
			const html = escapeSvelte(highlighter.codeToHtml(code, { lang, theme: 'poimandres' }))
			return `{@html \`${html}\` }`
		}
	},
	remarkPlugins: [remarkUnwrapImages, [remarkToc, { tight: true }]],
	rehypePlugins: [rehypeSlug]
}

/** @type {import('@sveltejs/kit').Config} */
const config = {
	extensions: ['.svelte', '.md'],
	preprocess: [vitePreprocess(), mdsvex(mdsvexOptions)],
	kit: {
		adapter: adapter({
			pages: 'build',
			assets: 'build',
			fallback: 'index.html',
			precompress: false,
			strict: true
		}),
		paths: {
			base: '/blog'
		}
	}
}

export default config