text: /* eslint-disable no-console */
  /**
   * Setup and run the development server for Hot-Module-Replacement
   * https://webpack.github.io/docs/hot-module-replacement-with-webpack.html
   */
  
  import express from 'express';
  import webpack from 'webpack';
  import webpackDevMiddleware from 'webpack-dev-middleware';
  import webpackHotMiddleware from 'webpack-hot-middleware';
  import { spawn } from 'child_process';
  
  import config from './webpack.config.development';
  
  const argv = require('minimist')(process.argv.slice(2));
  
  const app = express();
  const compiler = webpack(config);
  const PORT = process.env.PORT || 3000;
  
  const wdm = webpackDevMiddleware(compiler, {
    publicPath: config.output.publicPath,
    stats: {
      colors: true
    }
  });
  
  app.use(wdm);
  
  app.use(webpackHotMiddleware(compiler));
  
  const server = app.listen(PORT, 'localhost', serverError => {
    if (serverError) {
      return console.error(serverError);
    }
  
    if (argv['start-hot']) {
      spawn('npm', ['run', 'start-hot'], { shell: true, env: process.env, stdio: 'inherit' })
        .on('close', code => process.exit(code))
        .on('error', spawnError => console.error(spawnError));
    }
  
    console.log(`Listening at http://localhost:${PORT}`);
  });
  
  process.on('SIGTERM', () => {
    console.log('Stopping dev server');
    wdm.close();
    server.close(() => {
      process.exit(0);
    });
  });
  