@mintlab/kitchen-sink/formatIso.js

const expose = require('./expose');
const DISPLAYSHORT = 2;
const MONTHCORRECTION = 1;

/**
 * @param value
 * @return {string}
 */
const padDate = value =>
  value
    .toString()
    .padStart(DISPLAYSHORT, '0');

/**
 * @param date
 * @return {Date}
 */
const getDate = date =>
  new Date(date);

/**
 * Return the date of an ISO formatted dateTime in human readable (dutch) DD:MM:YYYY
 *
 * @param iso
 * @return {string}
 */
function createDate(iso) {
  const date = getDate(iso);
  const year = date.getFullYear();
  const month = padDate(date.getMonth() + MONTHCORRECTION);
  const day = padDate(date.getDate());

  return `${day}-${month}-${year}`;
}

/**
 * Return the time of an ISO formatted dateTime in human readable HH:MM:SS
 *
 * @param iso
 * @return {string}
 */
function createTime (iso) {
  const date = getDate(iso);
  const hours = padDate(date.getHours());
  const minutes = padDate(date.getMinutes());
  const seconds = padDate(date.getSeconds());
  
  return `${hours}:${minutes}:${seconds}`;
}

module.exports = expose({
  createDate,
  createTime,
});