svelte.config.js

import adapter from "@sveltejs/adapter-static";
import { vitePreprocess } from "@sveltejs/vite-plugin-svelte";

/** @type {import('@sveltejs/kit').Config} */
export default {
  // Consult https://svelte.dev/docs/kit/integrations
  // for more information about preprocessors
  preprocess: vitePreprocess(),

  kit: {
    // adapter-auto only supports some environments, see https://svelte.dev/docs/kit/adapter-auto for a list.
    // If your environment is not supported, or you settled on a specific environment, switch out the adapter.
    // See https://svelte.dev/docs/kit/adapters for more information about adapters.
    adapter: adapter({
      fallback: "404.html", // Needed for GitHub Pages
    }),

		prerender: {
			handleHttpError: ({ path, referrer, message }) => {
				// Julia is hosted on a different repo
				if (path === '/julia' && referrer === '/projects') {
					return;
				}

				throw new Error(message);
			}
		}
  },
};