svelte.config.js

import preprocess from 'svelte-preprocess';
import { readFile } from 'fs/promises'

const pkg = JSON.parse((await readFile('./package.json')).toString())
/** @type {import('@sveltejs/kit').Config} */
const config = {
	// Consult https://github.com/sveltejs/svelte-preprocess
	// for more information about preprocessors
	preprocess: preprocess(),

	kit: {
		// hydrate the <div id="svelte"> element in src/app.html
		target: '#svelte',
    ssr: true,
    // hydrate the <div id="svelte"> element in src/app.html
    vite: {
      optimizeDeps: {
        // exclude: ['@ctx-core/object'],
        exclude: ['node-fetch'].concat([...Object.keys(pkg.devDependencies)]),
      },
      ssr: {
        // noExternal: ['@ctx-core/object']
        noExternal: ['node-fetch'].concat([...Object.keys(pkg.devDependencies)])
      },
      plugins: [
      ]
    }
	}
};

export default config;