webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const TerserPlugin = require('terser-webpack-plugin');

module.exports = (env, argv) => {
  const isProduction = argv.mode === 'production';
  
  return {
    mode: isProduction ? 'production' : 'development',
    entry: {
      app: './src/index.js',
    },
    output: {
      filename: isProduction ? '[name].[contenthash].js' : '[name].js',
      path: path.resolve(__dirname, 'dist'),
      clean: true, // Clean the dist folder before each build
    },
    devtool: isProduction ? false : 'source-map',
    devServer: {
      static: {
        directory: path.join(__dirname),
      },
      compress: true,
      port: 8080,
      hot: true,
    },
    module: {
      rules: [
        // CSS
        {
          test: /\.css$/,
          use: [
            isProduction ? MiniCssExtractPlugin.loader : 'style-loader',
            'css-loader',
          ],
        },
        // Images
        {
          test: /\.(png|svg|jpg|jpeg|gif)$/i,
          type: 'asset/resource',
          generator: {
            filename: 'images/[name].[contenthash][ext]',
          },
        },
        // Fonts
        {
          test: /\.(woff|woff2|eot|ttf|otf)$/i,
          type: 'asset/resource',
          generator: {
            filename: 'fonts/[name].[contenthash][ext]',
          },
        },
      ],
    },
    plugins: [
      new HtmlWebpackPlugin({
        template: 'index.html',
        inject: 'body',
        minify: isProduction,
      }),
      ...(isProduction ? [
        new MiniCssExtractPlugin({
          filename: '[name].[contenthash].css',
        }),
      ] : []),
    ],
    optimization: {
      minimizer: [
        new TerserPlugin({
          terserOptions: {
            compress: {
              drop_console: isProduction,
            },
          },
        }),
      ],
      splitChunks: {
        chunks: 'all',
      },
    },
  };
};