36 lines
1.2 KiB
TypeScript
36 lines
1.2 KiB
TypeScript
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import type { ContextOptions, DateArg } from "./types.js";
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/**
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* The {@link differenceInCalendarISOWeekYears} function options.
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*/
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export interface DifferenceInCalendarISOWeekYearsOptions
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extends ContextOptions<Date> {}
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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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export declare function differenceInCalendarISOWeekYears(
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laterDate: DateArg<Date> & {},
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earlierDate: DateArg<Date> & {},
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options?: DifferenceInCalendarISOWeekYearsOptions | undefined,
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): number;
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