33 lines
967 B
JavaScript
33 lines
967 B
JavaScript
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import { differenceInCalendarDays } from "./differenceInCalendarDays.mjs";
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import { startOfYear } from "./startOfYear.mjs";
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import { toDate } from "./toDate.mjs";
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/**
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* @name getDayOfYear
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* @category Day Helpers
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* @summary Get the day of the year of the given date.
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*
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* @description
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* Get the day of the 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 day of year
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*
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* @example
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* // Which day of the year is 2 July 2014?
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* const result = getDayOfYear(new Date(2014, 6, 2))
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* //=> 183
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*/
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export function getDayOfYear(date) {
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const _date = toDate(date);
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const diff = differenceInCalendarDays(_date, startOfYear(_date));
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const dayOfYear = diff + 1;
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return dayOfYear;
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}
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// Fallback for modularized imports:
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export default getDayOfYear;
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