text: const webpack = require('webpack');
  const HtmlWebpackPlugin = require('html-webpack-plugin');
  const ExtractTextPlugin = require('extract-text-webpack-plugin');
  const merge = require('webpack-merge');
  const webpackBaseConfig = require('./webpack.base.config.js');
  
  const _now = webpackBaseConfig._now;
  delete webpackBaseConfig._now;
  
  module.exports = merge(webpackBaseConfig, {
      output: {
          publicPath: `/dist/${_now}/`,
          filename: '[name].[hash].js',
          chunkFilename: '[name].[hash].chunk.js'
      },
      plugins: [
          new ExtractTextPlugin({
              filename: '[name].[hash].css',
              allChunks: true
          }),
          new webpack.optimize.CommonsChunkPlugin({
              name: 'vendors',
              filename: 'vendors.[hash].js'
          }),
          new webpack.DefinePlugin({
              'process.env': {
                  NODE_ENV: '"production"'
              }
          }),
          // new webpack.optimize.UglifyJsPlugin({
          //     compress: {
          //         warnings: false
          //     }
          // }),
          new HtmlWebpackPlugin({
              filename: '../index_prod.html',
              template: './src-client/template/index.ejs',
              inject: false
          })
      ]
  });