text: const merge = require ( 'webpack-merge' );
  const UglifyJsPlugin = require ( 'uglifyjs-webpack-plugin' );
  const OptimizeCSSAssetsPlugin = require ( 'optimize-css-assets-webpack-plugin' );
  const webpackBaseConfig = require ( './webpack.common.config.js' );
  
  module.exports = merge ( webpackBaseConfig, {
      optimization: {
          minimizer: [
              new UglifyJsPlugin (),
              new OptimizeCSSAssetsPlugin ()
          ]
      }
  } );