Marc Mintel
5397309103
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45 lines
1.3 KiB
Plaintext
45 lines
1.3 KiB
Plaintext
"use strict";
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exports.differenceInCalendarISOWeekYears = differenceInCalendarISOWeekYears;
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var _index = require("./_lib/normalizeDates.cjs");
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var _index2 = require("./getISOWeekYear.cjs");
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/**
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* The {@link differenceInCalendarISOWeekYears} function options.
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*/
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/**
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* @name differenceInCalendarISOWeekYears
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* @category ISO Week-Numbering Year Helpers
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* @summary Get the number of calendar ISO week-numbering years between the given dates.
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*
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* @description
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* Get the number of calendar ISO week-numbering years between the given dates.
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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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* @param laterDate - The later date
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* @param earlierDate - The earlier date
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* @param options - An object with options
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*
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* @returns The number of calendar ISO week-numbering years
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*
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* @example
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* // How many calendar ISO week-numbering years are 1 January 2010 and 1 January 2012?
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* const result = differenceInCalendarISOWeekYears(
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* new Date(2012, 0, 1),
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* new Date(2010, 0, 1)
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* )
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* //=> 2
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*/
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function differenceInCalendarISOWeekYears(laterDate, earlierDate, options) {
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const [laterDate_, earlierDate_] = (0, _index.normalizeDates)(
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options?.in,
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laterDate,
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earlierDate,
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);
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return (
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(0, _index2.getISOWeekYear)(laterDate_, options) -
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(0, _index2.getISOWeekYear)(earlierDate_, options)
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);
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}
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