validate user date greater than 13 years

validateAtLeast13Years.ts

import dayjs from 'dayjs';

export const validateAtLeast13Years = (DDMMYYYY?: string): boolean => {
  if (!DDMMYYYY) return false;

  const timePickerDate = DDMMYYYY.split('/').reverse().join('-');
  const date1 = dayjs();
  const date2 = dayjs(timePickerDate);
  const diff = date1.diff(date2, 'years');

  return diff >= 13;
};