AdventureLog/svelte.config.js

import { vitePreprocess } from '@sveltejs/vite-plugin-svelte';
import adapterNode from '@sveltejs/adapter-node';
import adapterVercel from '@sveltejs/adapter-vercel';

let adapter;
if (process.env.USING_VERCEL === 'true') {
	adapter = adapterVercel;
} else {
	adapter = adapterNode;
}

/** @type {import('@sveltejs/kit').Config} */
const config = {
	preprocess: vitePreprocess(),
	kit: {
		adapter: adapter()
	}
};

export default config;