OverlayScrollbars/packages/overlayscrollbars-svelte/svelte.config.js

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({ sourceMap: true }),
  compilerOptions: {
    enableSourcemap: true,
  },
  package: {
    source: './src/',
    dir: './dist',
  },
};

export default config;