next.config.mjs

import path from 'path'
import bundleAnalyzer from '@next/bundle-analyzer'
import { fileURLToPath } from 'url'

const { ANALYZE, VERCEL_ENV, IGNORE_ERRORS } = process.env
const __filename = fileURLToPath(import.meta.url)
const __dirname = path.dirname(__filename)
const withBundleAnalyzer = bundleAnalyzer({
  enabled: ANALYZE === 'true',
})

/** @type {import('next').NextConfig} */
const config = {
  env: {
    NEXT_PUBLIC_BUILD_DATE: new Date().toISOString(),
  },
  eslint: {
    dirs: ['components', 'features', 'lib', 'pages', 'types'],
    ignoreDuringBuilds: IGNORE_ERRORS ? true : false,
  },
  experimental: {
    optimizeCss: true,
  },
  ...(VERCEL_ENV === 'production' && {
    compiler: {
      removeConsole: {
        exclude: ['error', 'warning', 'info'],
      },
    },
  }),
  images: {
    imageSizes: [16, 32, 48, 64, 96, 128, 256, 384, 480],
  },
  sassOptions: {
    includePaths: [path.join(__dirname), `${path.join(__dirname)}/stylesheets`],
    silenceDeprecations: ['legacy-js-api'],
  },
  typescript: {
    ignoreBuildErrors: IGNORE_ERRORS ? true : false,
  },
  webpack(config) {
    config.module.rules.push({
      test: /\.svg$/,
      use: ['@svgr/webpack'],
    })
    return config
  },
  async headers() {
    return [
      {
        source: '/(.*).(jpe?g|png|ico|webp|svg|xml|mp4|woff2?)',
        locale: false,
        headers: [
          {
            key: 'Cache-Control',
            value: 'public, max-age=31536000, must-revalidate',
          },
        ],
      },
    ]
  },
  async redirects() {
    return [
      {
        source: '/cv',
        destination: '/Joonas-Sandell-CV.pdf',
        permanent: false,
      },
    ]
  },
}

export default withBundleAnalyzer(config)