webpack.config.js

const HtmlWebPackPlugin = require('html-webpack-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const path = require('path');

module.exports = {
  mode: 'development',
  entry: './src/index.tsx',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'bundle.[contenthash].js',
  },
  module: {
    rules: [
      {
        test: /\.(ts)|(tsx)$/,
        exclude: /node_modules/,
        use: [
          {
            loader: 'babel-loader',
          },
          {
            loader: '@linaria/webpack-loader',
          },
        ],
      },
      {
        test: /\.css$/,
        use: [
          { loader: MiniCssExtractPlugin.loader },
          { loader: 'css-loader' },
          { loader: 'postcss-loader' },
        ],
      },
    ],
  },
  plugins: [
    new HtmlWebPackPlugin({
      template: path.resolve(__dirname, 'src', 'index.html'),
      filename: `index.html`,
      publicPath: '/',
    }),
    new MiniCssExtractPlugin({
      filename: '[name].[contenthash].css',
    }),
    new CleanWebpackPlugin(),
  ],
  resolve: {
    extensions: ['.js', '.jsx', '.ts', '.tsx'],
  },
  devServer: {
    contentBase: path.join(__dirname, 'dist'),
    port: 9000,
    historyApiFallback: true,
  },
};