Function validateCliDate

scripts/cli-options.ts:162–166

(date: string, fail: (message: string) => never)

}

export function validateCliDate(date: string, fail: (message: string) => never) {
  if (!/^\d{4}-\d{2}-\d{2}$/.test(date)) {
    fail(`Invalid date: ${date}. Expected YYYY-MM-DD.`);
  }
}

export function optionalFlagArg(flag: string, enabled: boolean) {
  return enabled ? [flag] : [];