code: function checkColorize() {
  	if (defaultColorizeArg !== undefined) {
  		return defaultColorizeArg;
  	}
  	// default is to only colorize if we have a TTY and not running on TTY
  	defaultColorizeArg = process.stdout.isTTY && !process.env.TRAVIS;
  	for (let c = 1; c < process.argv.length; c++) {
  		const arg = process.argv[c];
  		if (arg === '--colorize' || arg === '--color' || arg === '--colors') {
  			defaultColorizeArg = true;
  			break;
  		} else if (arg === '--no-colors' || arg === '--no-color') {
  			defaultColorizeArg = false;
  			break;
  		}
  	}
  	return defaultColorizeArg;
  }
docs: Check colorization
  @returns {boolean}