Marc Mintel
5397309103
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30 lines
1.1 KiB
Plaintext
30 lines
1.1 KiB
Plaintext
"use strict";
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exports.subISOWeekYears = subISOWeekYears;
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var _index = require("./addISOWeekYears.js");
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/**
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* @name subISOWeekYears
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* @category ISO Week-Numbering Year Helpers
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* @summary Subtract the specified number of ISO week-numbering years from the given date.
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*
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* @description
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* Subtract the specified number of ISO week-numbering years from 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 subtracted.
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*
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* @returns The new date with the ISO week-numbering years subtracted
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*
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* @example
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* // Subtract 5 ISO week-numbering years from 1 September 2014:
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* const result = subISOWeekYears(new Date(2014, 8, 1), 5)
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* //=> Mon Aug 31 2009 00:00:00
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*/
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function subISOWeekYears(date, amount) {
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return (0, _index.addISOWeekYears)(date, -amount);
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}
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