Current File : /var/www/html/node_modules/date-fns/esm/differenceInCalendarQuarters/index.js
import getQuarter from "../getQuarter/index.js";
import toDate from "../toDate/index.js";
import requiredArgs from "../_lib/requiredArgs/index.js";
/**
* @name differenceInCalendarQuarters
* @category Quarter Helpers
* @summary Get the number of calendar quarters between the given dates.
*
* @description
* Get the number of calendar quarters between the given dates.
*
* ### 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 later date
* @param {Date|Number} dateRight - the earlier date
* @returns {Number} the number of calendar quarters
* @throws {TypeError} 2 arguments required
*
* @example
* // How many calendar quarters are between 31 December 2013 and 2 July 2014?
* var result = differenceInCalendarQuarters(
* new Date(2014, 6, 2),
* new Date(2013, 11, 31)
* )
* //=> 3
*/
export default function differenceInCalendarQuarters(dirtyDateLeft, dirtyDateRight) {
requiredArgs(2, arguments);
var dateLeft = toDate(dirtyDateLeft);
var dateRight = toDate(dirtyDateRight);
var yearDiff = dateLeft.getFullYear() - dateRight.getFullYear();
var quarterDiff = getQuarter(dateLeft) - getQuarter(dateRight);
return yearDiff * 4 + quarterDiff;
}
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