123456789101112131415161718192021222324252627282930313233343536373839404142434445464748
import eachDayOfInterval from '../eachDayOfInterval/index.ts'import isSunday from '../isSunday/index.ts'import isWeekend from '../isWeekend/index.ts'import requiredArgs from '../_lib/requiredArgs/index.ts'
/** * @name eachWeekendOfInterval * @category Interval Helpers * @summary List all the Saturdays and Sundays in the given date interval. * * @description * Get all the Saturdays and Sundays in the given date interval. * * @param {Interval} interval - the given interval. See [Interval]{@link https://date-fns.org/docs/Interval} * @returns {Date[]} an array containing all the Saturdays and Sundays * @throws {TypeError} 1 argument required * @throws {RangeError} The start of an interval cannot be after its end * @throws {RangeError} Date in interval cannot be `Invalid Date` * * @example * // Lists all Saturdays and Sundays in the given date interval * const result = eachWeekendOfInterval({ *   start: new Date(2018, 8, 17), *   end: new Date(2018, 8, 30) * }) * //=> [ * //   Sat Sep 22 2018 00:00:00, * //   Sun Sep 23 2018 00:00:00, * //   Sat Sep 29 2018 00:00:00, * //   Sun Sep 30 2018 00:00:00 * // ] */export default function eachWeekendOfInterval(interval: Interval): Date[] {  requiredArgs(1, arguments)
  const dateInterval = eachDayOfInterval(interval)  const weekends = []  let index = 0  while (index < dateInterval.length) {    const date = dateInterval[index++]    if (isWeekend(date)) {      weekends.push(date)      if (isSunday(date)) index = index + 5    }  }  return weekends}