Marc Mintel
5397309103
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33 lines
1.2 KiB
Plaintext
33 lines
1.2 KiB
Plaintext
"use strict";
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exports.isSameISOWeekYear = isSameISOWeekYear;
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var _index = require("./startOfISOWeekYear.js");
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/**
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* @name isSameISOWeekYear
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* @category ISO Week-Numbering Year Helpers
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* @summary Are the given dates in the same ISO week-numbering year?
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*
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* @description
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* Are the given dates in the same ISO week-numbering year?
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*
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* ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date
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*
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* @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).
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*
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* @param dateLeft - The first date to check
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* @param dateRight - The second date to check
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*
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* @returns The dates are in the same ISO week-numbering year
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*
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* @example
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* // Are 29 December 2003 and 2 January 2005 in the same ISO week-numbering year?
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* const result = isSameISOWeekYear(new Date(2003, 11, 29), new Date(2005, 0, 2))
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* //=> true
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*/
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function isSameISOWeekYear(dateLeft, dateRight) {
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const dateLeftStartOfYear = (0, _index.startOfISOWeekYear)(dateLeft);
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const dateRightStartOfYear = (0, _index.startOfISOWeekYear)(dateRight);
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return +dateLeftStartOfYear === +dateRightStartOfYear;
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}
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