webpack.config.js

const path = require('path');

const BrowserSyncPlugin = require('browser-sync-webpack-plugin')


module.exports = {
  entry: './src/index.tsx',
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'dist')
  },
  // Enable sourcemaps for debugging webpack's output.
  devtool: "source-map",

  resolve: {
    // Add '.ts' and '.tsx' as resolvable extensions.
    extensions: [".ts", ".tsx", ".js", ".json"]
  },


  module: {
    rules: [
      // All files with a '.ts' or '.tsx' extension will be handled by 'awesome-typescript-loader'.
      { test: /\.tsx?$/, loader: "awesome-typescript-loader" },

      // All output '.js' files will have any sourcemaps re-processed by 'source-map-loader'.
      { enforce: "pre", test: /\.js$/, loader: "source-map-loader" }
    ]
  },

  devServer: {
    contentBase: path.join(__dirname, 'dist'),
  },
  // When importing a module whose path matches one of the following, just
  // assume a corresponding global variable exists and use that instead.
  // This is important because it allows us to avoid bundling all of our
  // dependencies, which allows browsers to cache those libraries between builds.
  externals: {
    // "react": "React",
    // "react-dom": "ReactDOM"
  },

  plugins: [
    new BrowserSyncPlugin({
      host: 'localhost',
      port: 3000,
      proxy: 'http://localhost:8080/',
      files: ['./dist/**/*'],
      browser: 'google chrome'
    })
  ]
};