redux-devtools/packages/react-json-tree/examples/webpack.config.ts

import * as path from 'path';
import * as webpack from 'webpack';

const isProduction = process.env.NODE_ENV === 'production';

module.exports = {
  mode: isProduction ? 'production' : 'development',
  entry: [
    !isProduction && 'webpack-dev-server/client?http://localhost:3000',
    !isProduction && 'webpack/hot/only-dev-server',
    './src/index',
  ].filter(Boolean),
  output: {
    path: path.join(__dirname, 'dist'),
    filename: 'bundle.js',
    publicPath: '/static/',
  },
  module: {
    rules: [
      {
        test: /\.(js|ts)x$/,
        loader: 'babel-loader',
        exclude: /node_modules/,
      },
    ],
  },
  resolve: {
    extensions: ['.js', '.jsx', '.ts', '.tsx'],
  },
  plugins: [new webpack.HotModuleReplacementPlugin()],
  devServer: {
    historyApiFallback: true,
    hot: true,
    port: 3000,
  },
  devtool: 'eval-source-map',
};