/** * Formats a Date to HH:MM, e.g. 09:23 or 13:37 * * @param {Date} date * @returns {string|undefined} Formatted time or undefined for non-Date */ export const formatTime = (date) => { if (!date instanceof Date) return; const hours = String(date.getHours()).padStart(2, '0'); const minutes = String(date.getMinutes()).padStart(2, '0'); return `${hours}:${minutes}`; }; /** * Formats a Date to YYYY-MM-DD, e.g. 2023-05-18 * * @param {Date} date * @returns {string|undefined} Formatted date or undefined for non-Date */ export const formatDay = (date) => { if (!date instanceof Date) return; const year = String(date.getFullYear()); const month = String(date.getMonth() + 1).padStart(2, '0'); const day = String(date.getDate()).padStart(2, '0'); return `${year}-${month}-${day}`; };