Marc Mintel
5397309103
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29 lines
809 B
Plaintext
29 lines
809 B
Plaintext
"use strict";
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exports.isLeapYear = isLeapYear;
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var _index = require("./toDate.js");
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/**
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* @name isLeapYear
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* @category Year Helpers
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* @summary Is the given date in the leap year?
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*
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* @description
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* Is the given date in the leap year?
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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 date - The date to check
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*
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* @returns The date is in the leap year
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*
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* @example
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* // Is 1 September 2012 in the leap year?
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* const result = isLeapYear(new Date(2012, 8, 1))
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* //=> true
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*/
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function isLeapYear(date) {
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const _date = (0, _index.toDate)(date);
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const year = _date.getFullYear();
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return year % 400 === 0 || (year % 4 === 0 && year % 100 !== 0);
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}
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