code: function run(files) {
  	worker(
  		files,
  		(err) => {
  			if (err) {
  				console.error(chalk[constants.COLORS.warning](err.message));
  				process.exit(1);
  			}
  
  			console.log(chalk[constants.COLORS.info]('No issues found.'));
  
  			return null;
  		}
  	);
  }
docs: /* ---------------- 8< -------- 8< ----------------