import dayjs, { Dayjs } from "dayjs"; // converts a date to 2022-04-25 for example. export const yyyymmdd = (date: Date | Dayjs) => date instanceof Date ? dayjs(date).format("YYYY-MM-DD") : date.format("YYYY-MM-DD"); export const daysInMonth = (date: Date | Dayjs) => date instanceof Date ? dayjs(date).daysInMonth() : date.daysInMonth();