svelte.config.js

import { mdsvex } from "mdsvex";
import adapter from '@sveltejs/adapter-auto';
import mdsvexConfig from './mdsvex.config.js';

/** @type {import('@sveltejs/kit').Config} */
const config = {
    kit: {
		// adapter-auto only supports some environments, see https://svelte.dev/docs/kit/adapter-auto for a list.
		// If your environment is not supported, or you settled on a specific environment, switch out the adapter.
		// See https://svelte.dev/docs/kit/adapters for more information about adapters.
		adapter: adapter()
	},

    preprocess: [mdsvex(mdsvexConfig)],
    extensions: [".svelte", ".svelte.md"]
};

export default config;