text: const merge = require('webpack-merge');
  const common = require('./webpack.common.js');
  const ClosurePlugin = require('closure-webpack-plugin');
  
  module.exports = merge(common, {
    mode: 'production',
    optimization: {
      minimizer: [
        new ClosurePlugin({mode: 'STANDARD'})
      ]
    }
  });
  