code: function logResults(updatedModules, renewedModules) {
      var unacceptedModules = updatedModules.filter(function(moduleId) {
        return renewedModules && renewedModules.indexOf(moduleId) < 0;
      });
  
      if (unacceptedModules.length > 0) {
        logger.warn('The following modules couldn\'t be hot updated: (They would need a full reload!)');
        unacceptedModules.forEach(function(moduleId) {
          logger.warn('  - ' + moduleMap[moduleId] || moduleId);
        });
      }
  
      if (!renewedModules || !renewedModules.length)
        return logger.warn('Nothing hot updated.');
  
      logger.success('Updated modules:');
      renewedModules.forEach(function(moduleId) {
        logger.success('  - ' + moduleMap[moduleId] || moduleId);
      });
    }
docs: Logging results