bc518174
 王天杨
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import { getQuarter } from "./getQuarter.mjs";
import { toDate } from "./toDate.mjs";
/**
* @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.
*
* @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
*
* @param dateLeft - The later date
* @param dateRight - The earlier date
* @returns The number of calendar quarters
*
* @example
* // How many calendar quarters are between 31 December 2013 and 2 July 2014?
* const result = differenceInCalendarQuarters(
* new Date(2014, 6, 2),
* new Date(2013, 11, 31)
* )
* //=> 3
*/
export function differenceInCalendarQuarters(dateLeft, dateRight) {
const _dateLeft = toDate(dateLeft);
const _dateRight = toDate(dateRight);
const yearDiff = _dateLeft.getFullYear() - _dateRight.getFullYear();
const quarterDiff = getQuarter(_dateLeft) - getQuarter(_dateRight);
return yearDiff * 4 + quarterDiff;
}
// Fallback for modularized imports:
export default differenceInCalendarQuarters;
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