index.js
1.15 KB
import startOfQuarter from '../startOfQuarter/index.js';
import requiredArgs from '../_lib/requiredArgs/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) {
requiredArgs(2, arguments);
var dateLeftStartOfQuarter = startOfQuarter(dirtyDateLeft);
var dateRightStartOfQuarter = startOfQuarter(dirtyDateRight);
return dateLeftStartOfQuarter.getTime() === dateRightStartOfQuarter.getTime();
}