Marc Mintel
5397309103
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34 lines
1.0 KiB
Plaintext
34 lines
1.0 KiB
Plaintext
"use strict";
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exports.getDaysInMonth = getDaysInMonth;
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var _index = require("./toDate.js");
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var _index2 = require("./constructFrom.js");
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/**
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* @name getDaysInMonth
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* @category Month Helpers
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* @summary Get the number of days in a month of the given date.
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*
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* @description
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* Get the number of days in a month of the given 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 date - The given date
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*
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* @returns The number of days in a month
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*
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* @example
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* // How many days are in February 2000?
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* const result = getDaysInMonth(new Date(2000, 1))
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* //=> 29
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*/
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function getDaysInMonth(date) {
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const _date = (0, _index.toDate)(date);
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const year = _date.getFullYear();
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const monthIndex = _date.getMonth();
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const lastDayOfMonth = (0, _index2.constructFrom)(date, 0);
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lastDayOfMonth.setFullYear(year, monthIndex + 1, 0);
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lastDayOfMonth.setHours(0, 0, 0, 0);
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return lastDayOfMonth.getDate();
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}
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