32 lines
1.1 KiB
JavaScript
32 lines
1.1 KiB
JavaScript
import { getISOWeekYear } from "./getISOWeekYear.mjs";
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import { setISOWeekYear } from "./setISOWeekYear.mjs";
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/**
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* @name addISOWeekYears
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* @category ISO Week-Numbering Year Helpers
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* @summary Add the specified number of ISO week-numbering years to the given date.
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*
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* @description
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* Add the specified number of ISO week-numbering years to the given date.
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*
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* ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_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 date to be changed
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* @param amount - The amount of ISO week-numbering years to be added.
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*
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* @returns The new date with the ISO week-numbering years added
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*
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* @example
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* // Add 5 ISO week-numbering years to 2 July 2010:
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* const result = addISOWeekYears(new Date(2010, 6, 2), 5)
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* //=> Fri Jn 26 2015 00:00:00
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*/
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export function addISOWeekYears(date, amount) {
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return setISOWeekYear(date, getISOWeekYear(date) + amount);
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}
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// Fallback for modularized imports:
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export default addISOWeekYears;
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