department-of-veterans-affairs/vets-website

import moment from 'moment';

export function validateBurialAndDeathDates(errors, page) {
  const { burialDate, deathDate, veteranDateOfBirth } = page;
  if (
    burialDate &&
    deathDate &&
    moment(burialDate).isBefore(moment(deathDate))
  ) {
    errors.burialDate.addError(
      'Date of burial must be on or after date of death',
    );
  }
  if (
    deathDate &&
    veteranDateOfBirth &&
    moment(deathDate).isBefore(moment(veteranDateOfBirth))
  ) {
    errors.deathDate.addError('Date of death must be after date of birth');
  }
}