| 1 | import { toDate } from "./toDate.mjs";
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| 2 |
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| 3 | /**
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| 4 | * @name lastDayOfYear
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| 5 | * @category Year Helpers
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| 6 | * @summary Return the last day of a year for the given date.
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| 7 | *
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| 8 | * @description
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| 9 | * Return the last day of a year for the given date.
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| 10 | * The result will be in the local timezone.
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| 11 | *
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| 12 | * @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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| 13 | *
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| 14 | * @param date - The original date
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| 15 | *
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| 16 | * @returns The last day of a year
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| 17 | *
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| 18 | * @example
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| 19 | * // The last day of a year for 2 September 2014 11:55:00:
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| 20 | * const result = lastDayOfYear(new Date(2014, 8, 2, 11, 55, 00))
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| 21 | * //=> Wed Dec 31 2014 00:00:00
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| 22 | */
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| 23 | export function lastDayOfYear(date) {
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| 24 | const _date = toDate(date);
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| 25 | const year = _date.getFullYear();
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| 26 | _date.setFullYear(year + 1, 0, 0);
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| 27 | _date.setHours(0, 0, 0, 0);
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| 28 | return _date;
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| 29 | }
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| 30 |
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| 31 | // Fallback for modularized imports:
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| 32 | export default lastDayOfYear;
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