vercel/examples/sveltekit/svelte.config.js

import adapter from '@sveltejs/adapter-auto';
import preprocess from 'svelte-preprocess';

/** @type {import('@sveltejs/kit').Config} */
const config = {
  preprocess: preprocess({
    replace: [
      ['import.meta.env.VERCEL_ANALYTICS_ID', JSON.stringify(process.env.VERCEL_ANALYTICS_ID)]
    ]
  }),
  kit: {
    adapter: adapter(),

    // Override http methods in the Todo forms
    methodOverride: {
      allowed: ['PATCH', 'DELETE']
    }
  }
};

export default config;