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- "use strict";
- exports.isSameISOWeekYear = isSameISOWeekYear;
- var _index = require("./startOfISOWeekYear.js");
- /**
- * @name isSameISOWeekYear
- * @category ISO Week-Numbering Year Helpers
- * @summary Are the given dates in the same ISO week-numbering year?
- *
- * @description
- * Are the given dates in the same ISO week-numbering year?
- *
- * ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date
- *
- * @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 first date to check
- * @param dateRight - The second date to check
- *
- * @returns The dates are in the same ISO week-numbering year
- *
- * @example
- * // Are 29 December 2003 and 2 January 2005 in the same ISO week-numbering year?
- * const result = isSameISOWeekYear(new Date(2003, 11, 29), new Date(2005, 0, 2))
- * //=> true
- */
- function isSameISOWeekYear(dateLeft, dateRight) {
- const dateLeftStartOfYear = (0, _index.startOfISOWeekYear)(dateLeft);
- const dateRightStartOfYear = (0, _index.startOfISOWeekYear)(dateRight);
- return +dateLeftStartOfYear === +dateRightStartOfYear;
- }
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