webpack.config.js

const ReactRefreshWebpackPlugin = require('@pmmmwh/react-refresh-webpack-plugin');
const FriendlyErrorsWebpackPlugin = require('friendly-errors-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const webpack = require('webpack');
const path = require('path');

const isDevelopment = process.env.NODE_ENV !== 'production';

module.exports = {
  mode: isDevelopment ? 'development' : 'production',
  entry: './src/client/index.jsx',
  output: {
    path: path.resolve(__dirname, 'build'),
    filename: 'bundle.js',
  },
  resolve: {
    extensions: ['.js', '.jsx'],
  },
  module: {
    rules: [
      {
        test: /.(js|jsx)$/,
        exclude: /node_modules/,
        use: [
          {
            loader: require.resolve('babel-loader'),
            options: {
              plugins: [
                isDevelopment && require.resolve('react-refresh/babel'),
              ].filter(Boolean),
            },
          },
        ],
      },
      {
        test: /\.css$/i,
        use: ['style-loader', 'css-loader'],
      },
      {
        test: /\.less$/,
        use: [
          {
            loader: 'style-loader',
          },
          {
            loader: 'css-loader',
          },
          {
            loader: 'less-loader',
            options: {
              lessOptions: {
                javascriptEnabled: true,
              },
            },
          },
        ],
      },
      {
        test: /\.(png|jpe?g|gif|ttf)$/i,
        use: [
          {
            loader: 'file-loader',
          },
        ],
      },
    ],
  },
  plugins: [
    isDevelopment && new webpack.HotModuleReplacementPlugin(),
    isDevelopment && new ReactRefreshWebpackPlugin(),
    new FriendlyErrorsWebpackPlugin(),
    new HtmlWebpackPlugin({
      template: path.join(__dirname, 'src', 'assets', 'index.html'),
    }),
  ],
  devServer: {
    quiet: true,
    contentBase: path.join(__dirname, 'build'),
    compress: true,
    port: 8000,
  },
};