const path         = require('path');
const createMDX    = require('@next/mdx');
const childProcess = require('child_process');

const isProd = process.env.NODE_ENV === 'production';

/** @type {import('next').NextConfig} */
const nextConfig = {
  output: 'export',
  reactStrictMode: true,
  sassOptions: {
    includePaths: [ path.join(__dirname, 'styles') ]
  },
  generateBuildId: async () => {
    return childProcess.execSync('git rev-parse HEAD').toString().trim();
  },
  pageExtensions: [ 'js', 'jsx', 'md', 'mdx', 'ts', 'tsx' ],
  assetPrefix: isProd ? 'http://localhost:3000/flint/website/pages' : undefined
};

module.exports = createMDX({
  mdPlugins: [
    import('rehype-highlight')
  ]
})(nextConfig);