webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const CopyPlugin = require('copy-webpack-plugin');

module.exports = {
  mode: 'development',
  entry: './client/index.tsx',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'bundle.js',
  },
  module: {
    rules: [
      {
        test: /\.jsx?/,
        exclude: /(node_modules)/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env', '@babel/preset-react'],
          },
        },
      },
      {
        test: /\.tsx?$/,
        use: 'ts-loader',
        exclude: /node_modules/,
      },
      {
        test: /\.css$/i,
        include: path.resolve(__dirname, 'client'),
        use: ['style-loader', 'css-loader', 'postcss-loader'],
      },
    ],
  },
  resolve: {
    extensions: ['.jsx', '.js', '.tsx', '.ts'],
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './client/index.html',
      filename: './index.html',
    }),
    // new CopyPlugin({
    //   patterns: [{ from: './client/style.css' }],
    // }),
  ],
  devServer: {
    static: {
      directory: path.join(__dirname, './dist'),
    },
    proxy: {
      '/api': 'http://localhost:3000',
      secure: false,
    },
    historyApiFallback: true,
  },
};