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import toDate from '../toDate/index.ts'import requiredArgs from '../_lib/requiredArgs/index.ts'
/** * @name endOfDecade * @category Decade Helpers * @summary Return the end of a decade for the given date. * * @description * Return the end of a decade for the given date. * * ### v2.0.0 breaking changes: * * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes). * * @param {Date|Number} date - the original date * @returns {Date} the end of a decade * @param {Object} [options] - an object with options. * @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate} * @throws {TypeError} 1 argument required * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2 * * @example * // The end of a decade for 12 May 1984 00:00:00: * const result = endOfDecade(new Date(1984, 4, 12, 00, 00, 00)) * //=> Dec 31 1989 23:59:59.999 */export default function endOfDecade(dirtyDate: Date | number): Date {  requiredArgs(1, arguments)
  const date = toDate(dirtyDate)  const year = date.getFullYear()  const decade = 9 + Math.floor(year / 10) * 10  date.setFullYear(decade, 11, 31)  date.setHours(23, 59, 59, 999)  return date}