npm init svelte@next svelte-headlessui

svelte.config.js

@@ -0,0 +1,18 @@
+import adapter from '@sveltejs/adapter-auto';
+import preprocess from 'svelte-preprocess';
+
+/** @type {import('@sveltejs/kit').Config} */
+const config = {
+	// Consult https://github.com/sveltejs/svelte-preprocess
+	// for more information about preprocessors
+	preprocess: preprocess(),
+
+	kit: {
+		adapter: adapter(),
+
+		// hydrate the <div id="svelte"> element in src/app.html
+		target: '#svelte'
+	}
+};
+
+export default config;