Get any date for the day of the week for passed date.

getDayDate.ts

type WeekDays = 0 | 1 | 2 | 3 | 4 | 5 | 6
export function getDayDate(date: Date | string, weekDay: WeekDays) {
  const _date = new Date(date)
  const day = _date.getDay()
  if (day === weekDay) return _date
  const diff =
    (day === 0 || day - weekDay === 0
      ? weekDay - 7
      : weekDay === 0
      ? weekDay + 7
      : weekDay) +
    _date.getDate() -
    day
  _date.setDate(diff)
  return _date
}