/** @type {import('next').NextConfig} */
const isExport = process.env.NEXT_OUTPUT_MODE === 'export';

/** @type {import('next').NextConfig} */
const nextConfig = {
    distDir: 'build',
    output: isExport ? 'export' : 'standalone',
    trailingSlash: isExport,

    ...(!isExport && {
        async redirects() {
            return [
                {
                    source: '/',
                    destination: '/zh',
                    permanent: false,
                },
            ];
        },
        async rewrites() {
            return [
                {
                    source: '/zh-tw',
                    destination: '/tw',
                },
                {
                    source: '/zh-hk',
                    destination: '/tw',
                },
            ];
        },
    }),
};

export default nextConfig;