webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');

module.exports = {
  entry: './src/index.tsx',
  mode: 'development',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'bundle.js'
  },
  devtool: 'inline-source-map',
  devServer: {
    contentBase: './dist',
    port: 9000
  },
  resolve: {
    extensions: ['.ts', '.tsx', '.js', '.jsx']
  },
  module: {
    rules: [
      {
        test: /\.(ts|tsx)$/,
        loader: 'awesome-typescript-loader',
        options: {
          transpileOnly: true
        }
      },
      {
        enforce: 'pre',
        test: /\.js$/,
        loader: 'source-map-loader'
      },
      {
        test: /\.css$/,
        loader: 'css-loader'
      }
    ]
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: path.resolve(__dirname, 'src', 'index.html')
    })
  ]

}