import adapter from '@sveltejs/adapter-static';
import { sveltekit } from '@sveltejs/kit/vite';
import { defineConfig } from 'vite';

declare const process: { env: Record<string, string | undefined> };

const rawBase = (process.env.BASE_PATH ?? '').trim();
const base: '' | `/${string}` =
	rawBase === '' || rawBase === '/'
		? ''
		: (`/${rawBase.replace(/^\/+/, '').replace(/\/+$/, '')}` as `/${string}`);

export default defineConfig({
	ssr: {
		noExternal: ['@lucide/svelte']
	},
	plugins: [
		sveltekit({
			paths: {
				base
			},

			compilerOptions: {
				// Force runes mode for the project, except for libraries. Can be removed in svelte 6.
				runes: ({ filename }) =>
					filename.split(/[/\\]/).includes('node_modules') ? undefined : true
			},

			adapter: adapter({
				pages: 'build',
				assets: 'build',
				fallback: undefined,
				precompress: false,
				strict: true
			}),

			prerender: {
				handleMissingId: 'warn'
			}
		})
	]
});