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import toDate from '../toDate/index.ts'import requiredArgs from '../_lib/requiredArgs/index.ts'
/** * @name eachYearOfInterval * @category Interval Helpers * @summary Return the array of yearly timestamps within the specified time interval. * * @description * Return the array of yearly timestamps within the specified time interval. * * @param {Interval} interval - the interval. See [Interval]{@link https://date-fns.org/docs/Interval} * @returns {Date[]} the array with starts of yearly timestamps from the month of the interval start to the month of the interval end * @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 * // Each year between 6 February 2014 and 10 August 2017: * var result = eachYearOfInterval({ *   start: new Date(2014, 1, 6), *   end: new Date(2017, 7, 10) * }) * //=> [ * //   Wed Jan 01 2014 00:00:00, * //   Thu Jan 01 2015 00:00:00, * //   Fri Jan 01 2016 00:00:00, * //   Sun Jan 01 2017 00:00:00 * // ] */export default function eachYearOfInterval(dirtyInterval) {  requiredArgs(1, arguments)
  var interval = dirtyInterval || {}  var startDate = toDate(interval.start)  var endDate = toDate(interval.end)
  var endTime = endDate.getTime()
  // Throw an exception if start date is after end date or if any date is `Invalid Date`  if (!(startDate.getTime() <= endTime)) {    throw new RangeError('Invalid interval')  }
  var dates = []
  var currentDate = startDate  currentDate.setHours(0, 0, 0, 0)  currentDate.setMonth(0, 1)
  while (currentDate.getTime() <= endTime) {    dates.push(toDate(currentDate))    currentDate.setFullYear(currentDate.getFullYear() + 1)  }
  return dates}