Source: endOfQuarter/index.js

import toDate from '../toDate/index'
import requiredArgs from '../_lib/requiredArgs/index'

/**
 * @name endOfQuarter
 * @category Quarter Helpers
 * @summary Return the end of a year quarter for the given date.
 *
 * @description
 * Return the end of a year quarter for the given date.
 * The result will be in the local timezone.
 *
 * ### 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 quarter
 * @throws {TypeError} 1 argument required
 *
 * @example
 * // The end of a quarter for 2 September 2014 11:55:00:
 * var result = endOfQuarter(new Date(2014, 8, 2, 11, 55, 0))
 * //=> Tue Sep 30 2014 23:59:59.999
 */
export default function endOfQuarter(dirtyDate) {
  requiredArgs(1, arguments)

  var date = toDate(dirtyDate)
  var currentMonth = date.getMonth()
  var month = currentMonth - (currentMonth % 3) + 3
  date.setMonth(month, 0)
  date.setHours(23, 59, 59, 999)
  return date
}