webpack.config.js

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

module.exports = {
  entry: './src/index.tsx',
  devtool: 'inline-source-map',
  watchOptions: {
    ignored: /node_modules/,
    poll: 500,
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
        },
      },
      { test: /\.js\.map$/, use: 'ignore-loader' },
      {
        test: /\.tsx?$/,
        exclude: /node_modules/,
        use: 'ts-loader',
      },
      {
        test: /\.css$/i,
        include: path.resolve(__dirname, 'src'),
        use: ['style-loader', 'css-loader', 'postcss-loader'],
      },
    ],
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './public/index.html',
      filename: './index.html',
    }),
  ],
  devServer: {
    static: './dist',
    compress: true,
    port: 9000,
  },
  resolve: {
    extensions: ['.js', '.tsx', '.ts'],
  },
}