cli.test.handler.ts

async handler(argv, {console, describe, options, style}) {
  // Print command description
  console.important(describe);

  // Prompt user for option or use default
  const value = await console.cli.require(options.val);

  // Print 'value' with style and color
  console.log('value:', style.bold.cyan(value), style.gray(argv.val));
}