import startOfQuarter from '../startOfQuarter/index.js'; /** * @name isSameQuarter * @category Quarter Helpers * @summary Are the given dates in the same year quarter? * * @description * Are the given dates in the same year quarter? * * ### 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} dateLeft - the first date to check * @param {Date|Number} dateRight - the second date to check * @returns {Boolean} the dates are in the same quarter * @throws {TypeError} 2 arguments required * * @example * // Are 1 January 2014 and 8 March 2014 in the same quarter? * var result = isSameQuarter(new Date(2014, 0, 1), new Date(2014, 2, 8)) * //=> true */ export default function isSameQuarter(dirtyDateLeft, dirtyDateRight) { if (arguments.length < 2) { throw new TypeError('2 arguments required, but only ' + arguments.length + ' present'); } var dateLeftStartOfQuarter = startOfQuarter(dirtyDateLeft); var dateRightStartOfQuarter = startOfQuarter(dirtyDateRight); return dateLeftStartOfQuarter.getTime() === dateRightStartOfQuarter.getTime(); }