CTF/next.config.analyze.js at main · Hurleveur/CTF · GitHub

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const { BundleAnalyzerPlugin } = require('webpack-bundle-analyzer');

/** @type {import('next').NextConfig} */
const nextConfig = {
  // Performance optimizations
  reactStrictMode: false,
  poweredByHeader: false,
  compress: true,
  swcMinify: true,

  // Experimental features for better performance
  experimental: {
    webpackMemoryOptimizations: true,
    optimizePackageImports: ['react', 'react-dom', 'lucide-react'],
    turbo: {
      rules: {
        '*.svg': {
          loaders: ['@svgr/webpack'],
          as: '*.js',
        },
      },
    },
  },

  // Environment variables
  env: {
    ANALYZE: process.env.ANALYZE === 'true',
  },

  // Webpack configuration
  webpack: (config, { buildId, dev, isServer, defaultLoaders, webpack }) => {
    // Bundle analyzer for production builds
    if (process.env.ANALYZE === 'true' && !isServer && !dev) {
      config.plugins.push(
        new BundleAnalyzerPlugin({
          analyzerMode: 'server',
          analyzerPort: 8888,
          openAnalyzer: true,
          reportFilename: '../bundle-analyzer-report.html',
          generateStatsFile: true,
          statsFilename: '../bundle-stats.json',
        })
      );
    }

    // Advanced chunk splitting for better caching
    if (!dev && !isServer) {
      config.optimization.splitChunks = {
        chunks: 'all',
        minSize: 20000,
        maxSize: 244000,
        cacheGroups: {
          default: {
            minChunks: 1,
            priority: -20,
            reuseExistingChunk: true,
          },
          vendor: {
            test: /[\\/]node_modules[\\/]/,
            name: 'vendors',
            priority: -10,
            chunks: 'all',
          },
          react: {
            test: /[\\/]node_modules[\\/](react|react-dom)[\\/]/,
            name: 'react',
            priority: 10,
            chunks: 'all',
          },
          supabase: {
            test: /[\\/]node_modules[\\/]@supabase[\\/]/,
            name: 'supabase',
            priority: 5,
            chunks: 'all',
          },
          lucide: {
            test: /[\\/]node_modules[\\/]lucide-react[\\/]/,
            name: 'lucide',
            priority: 5,
            chunks: 'all',
          },
        },
      };
    }

    // Optimize builds for development
    if (dev) {
      // Faster source maps for development
      config.devtool = 'eval-cheap-module-source-map';

      // Reduce the number of filesystem checks
      config.watchOptions = {
        poll: false,
        ignored: [
          '**/node_modules',
          '**/.next',
          '**/build',
          '**/dist',
          '**/.git',
          '**/public',
        ],
      };

      // Cache configuration for faster rebuilds
      config.cache = {
        type: 'filesystem',
        buildDependencies: {
          config: [__filename],
        },
      };
    }

    // SVG optimization
    config.module.rules.push({
      test: /\.svg$/,
      use: ['@svgr/webpack'],
    });

    return config;
  },

  // Headers for better caching and security
  async headers() {
    return [
      {
        source: '/(.*)',
        headers: [
          {
            key: 'X-Content-Type-Options',
            value: 'nosniff',
          },
          {
            key: 'X-Frame-Options',
            value: 'DENY',
          },
          {
            key: 'X-XSS-Protection',
            value: '1; mode=block',
          },
        ],
      },
    ];
  },

  // Rewrites for better routing
  async rewrites() {
    return [
      {
        source: '/robots.txt',
        destination: '/api/robots',
      },
      {
        source: '/sitemap.xml',
        destination: '/api/sitemap',
      },
    ];
  },
};

module.exports = nextConfig;