Function validateDate

loop-library/worker/src/loop-schema.js:211–221

(value, field)

}

function validateDate(value, field) {
  if (!/^\d{4}-\d{2}-\d{2}$/.test(value)) {
    throw new LoopValidationError(`${field} must use YYYY-MM-DD.`);
  }

  const parsed = new Date(`${value}T00:00:00Z`);

  if (Number.isNaN(parsed.valueOf()) || parsed.toISOString().slice(0, 10) !== value) {
    throw new LoopValidationError(`${field} must be a real calendar date.`);
  }
}

function isPlainObject(value) {
  return value !== null && typeof value === "object" && !Array.isArray(value);