text: const path = require('path');
  const webpack = require('webpack');
  const ExtractTextPlugin = require('extract-text-webpack-plugin');
  const CheckerPlugin = require('awesome-typescript-loader').CheckerPlugin;
  const merge = require('webpack-merge');
  const VertxPlugin = require('webpack-vertx-plugin');
  
  module.exports = (env) => {
    const isDevBuild = !(env && env.prod);
  
    // Configuration in common to both client-side and server-side bundles
    const sharedConfig = () => ({
      stats: {modules: false},
      resolve: {extensions: ['.js', '.jsx', '.ts', '.tsx']},
      output: {
        filename: '[name].js',
        publicPath: 'dist/' // Webpack dev middleware, if enabled, handles requests for this URL prefix
      },
      module: {
        rules: [
          {test: /\.tsx?$/, include: /src\/.+\/ts/, use: 'awesome-typescript-loader?silent=true'},
          {test: /\.(png|jpg|jpeg|gif|svg)$/, use: 'url-loader?limit=25000'}
        ]
      },
      plugins: [new CheckerPlugin()]
    });
  
    // Configuration for client-side bundle suitable for running in browsers
    const clientBundleOutputDir = './src/main/resources/webroot/dist';
    const clientBundleConfig = merge(sharedConfig(), {
      entry: {'main-client': './src/main/ts/boot-client.tsx'},
      module: {
        rules: [
          {test: /\.css$/, use: ExtractTextPlugin.extract({use: isDevBuild ? 'css-loader' : 'css-loader?minimize'})}
        ]
      },
      output: {path: path.join(__dirname, clientBundleOutputDir)},
      plugins: [
        new ExtractTextPlugin('site.css'),
        new webpack.DllReferencePlugin({
          context: __dirname,
          manifest: require('./src/main/resources/webroot/dist/vendor-manifest.json')
        })
      ].concat(isDevBuild ? [
        // Plugins that apply in development builds only
        new webpack.SourceMapDevToolPlugin({
          filename: '[file].map', // Remove this line if you prefer inline source maps
          moduleFilenameTemplate: path.relative(clientBundleOutputDir, '[resourcePath]') // Point sourcemap entries to the original file locations on disk
        }),
        new VertxPlugin()
      ] : [
        // Plugins that apply in production builds only
        new webpack.optimize.UglifyJsPlugin(),
        new VertxPlugin()
      ])
    });
  
    return [clientBundleConfig];
  };
  