webpack.config.js

const path = require("path");

const HtmlWebpackPlugin = require("html-webpack-plugin");

module.exports = {
  entry: "./src/index.tsx",
  resolve: {
    extensions: [".ts", ".tsx", ".js"]
  },
  output: {
    path: path.join(__dirname, "/dist"),
    filename: "bundle.min.js"
  },
  devServer: {
    contentBase: path.join(__dirname, "dist"),
    compress: true,
    port: 3000,
    historyApiFallback: true
  },
  devtool: "source-map",
  resolve: {
    // Add '.ts' and '.tsx' as resolvable extensions.
    extensions: [".ts", ".tsx", ".js", ".json"]
  },
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        loader: "awesome-typescript-loader"
      },
      { enforce: "pre", test: /\.js$/, loader: "source-map-loader" },
      {
        test: /\.css$/,
        use: ["style-loader", "css-loader"]
      }
    ]
  },
  plugins: [
    new HtmlWebpackPlugin({
      hash: true,
      template: "./src/index.html",
      filename: "./index.html" //relative to root of the application
    })
  ]
};