bc518174
 王天杨
提交两个项目文件
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import { toDate } from "./toDate.mjs";
/**
* @name differenceInCalendarYears
* @category Year Helpers
* @summary Get the number of calendar years between the given dates.
*
* @description
* Get the number of calendar years 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 years
*
* @example
* // How many calendar years are between 31 December 2013 and 11 February 2015?
* const result = differenceInCalendarYears(
* new Date(2015, 1, 11),
* new Date(2013, 11, 31)
* )
* //=> 2
*/
export function differenceInCalendarYears(dateLeft, dateRight) {
const _dateLeft = toDate(dateLeft);
const _dateRight = toDate(dateRight);
return _dateLeft.getFullYear() - _dateRight.getFullYear();
}
// Fallback for modularized imports:
export default differenceInCalendarYears;
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