code: function handleError(err) {
    let errMsg = err;
  
    if (err instanceof Object) {
      errMsg = err.message || err.error || JSON.stringify(err);
    }
  
    printColumns(chalk.red('Error: ' + errMsg));
    printColumns(
      chalk.white(
        "If you can't settle this, please open an issue at:" + EOL + chalk.cyan(pkg.bugs.url)
      )
    );
    process.exit(1);
  }
docs: Handle promise rejections and errors