const fs = require('fs');
const path = require('path');
const envSchema = require('./config/schema/env');

const env = envSchema.parse(process.env);

const favicons = fs.readdirSync('./public/favicon/prod');
const faviconSubPath = env.USE_DEV_COLORS ? '/favicon/dev' : '/favicon/prod';
function buildFaviconRewrite(source) {
  return {
    destination: String.prototype.concat(faviconSubPath, source),
    source,
  };
}

/** @type {import('next').NextConfig} */
const nextConfig = {
  output: 'standalone',
  eslint: {
    ignoreDuringBuilds: true,
  },
  experimental: {
    outputFileTracingRoot: path.join(__dirname, '../../'),
  },
  reactStrictMode: true,
  transpilePackages: ['ui'],
  async rewrites() {
    return [...favicons.map((fileName) => buildFaviconRewrite(`/${fileName}`))];
  },
};

module.exports = nextConfig;