webpack.config.js

/* eslint-disable sort-keys */
const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');

const cssRules =
  process.env.NODE_ENV === 'production'
    ? [
        {
          loader: MiniCssExtractPlugin.loader,
          options: {
            // you can specify a publicPath here
            // by default it use publicPath in webpackOptions.output
            publicPath: './',
          },
        },
        'css-loader',
      ]
    : ['style-loader', 'css-loader'];

module.exports = {
  entry: './src/index.jsx',
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'public'),
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: 'src/index.html',
    }),
    new MiniCssExtractPlugin({
      // Options similar to the same options in webpackOptions.output
      // both options are optional
      filename: '[name].css',
      chunkFilename: '[id].css',
    }),
  ],
  resolve: {
    extensions: ['.js', '.jsx'],
  },
  module: {
    rules: [
      {
        test: /\.jsx?$/,
        use: 'babel-loader',
      },
      {
        test: /\.css$/,
        use: cssRules,
      },
      {
        test: /\.(woff|woff2|eot|ttf|otf)$/,
        use: ['file-loader'],
      },
      {
        type: 'javascript/auto',
        test: /\.(json)$/,
        use: ['file-loader'],
      },
    ],
  },
  devServer: {
    contentBase: path.join(__dirname, 'public'),
    compress: true,
    port: 9000,
    open: 'Google Chrome',
  },
};