svelte.config.js

import preprocess from 'svelte-preprocess';

/** @type {import('@sveltejs/kit').Config} */
const config = {
	preprocess: [
		preprocess({
			defaults: {
				style: 'postcss'
			},
			postcss: true
		})
	],

	kit: {
		// hydrate the <div id="svelte"> element in src/app.html
		target: '#svelte',
		vite: {
			server: {
				hmr: {
					port: 3001
				}
			}
		}
	}
};

export default config;