Vlad Durnea
cffdf8af86
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35 lines
911 B
JavaScript
35 lines
911 B
JavaScript
import { isLeapYear } from "./isLeapYear.mjs";
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import { toDate } from "./toDate.mjs";
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/**
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* @name getDaysInYear
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* @category Year Helpers
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* @summary Get the number of days in a year of the given date.
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*
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* @description
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* Get the number of days in a year 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 year
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*
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* @example
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* // How many days are in 2012?
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* const result = getDaysInYear(new Date(2012, 0, 1))
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* //=> 366
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*/
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export function getDaysInYear(date) {
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const _date = toDate(date);
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if (String(new Date(_date)) === "Invalid Date") {
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return NaN;
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}
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return isLeapYear(_date) ? 366 : 365;
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}
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// Fallback for modularized imports:
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export default getDaysInYear;
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