Bundlers Comparison

// vite.config.ts
import { defineConfig } from 'vite';
import react from '@vitejs/plugin-react';
import path from 'path';

export default defineConfig({
  plugins: [react()],
  resolve: {
    alias: {
      '@': path.resolve(__dirname, './src'),
    },
  },
  server: {
    port: 3000,
    open: true,
  },
  build: {
    outDir: 'dist',
    sourcemap: true,
    rollupOptions: {
      output: {
        manualChunks: {
          vendor: ['react', 'react-dom'],
        },
      },
    },
  },
});

// webpack.config.js
const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
  entry: './src/index.tsx',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: '[name].[contenthash].js',
    clean: true,
  },
  resolve: {
    extensions: ['.tsx', '.ts', '.js'],
    alias: {
      '@': path.resolve(__dirname, 'src'),
    },
  },
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: 'ts-loader',
        exclude: /node_modules/,
      },
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader', 'postcss-loader'],
      },
    ],
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './public/index.html',
    }),
  ],
  devServer: {
    port: 3000,
    hot: true,
    open: true,
  },
};

// next.config.ts
import type { NextConfig } from 'next';

const nextConfig: NextConfig = {
  // Turbopack is enabled by default in Next.js 15+
  // for development with 'next dev --turbopack'
  
  experimental: {
    // Turbopack-specific options
    turbo: {
      rules: {
        // Custom loader rules (Webpack-compatible)
        '*.svg': {
          loaders: ['@svgr/webpack'],
          as: '*.js',
        },
      },
      resolveAlias: {
        // Custom aliases
        '@components': './src/components',
      },
    },
  },
};

export default nextConfig;