32 lines
1.1 KiB
TypeScript
32 lines
1.1 KiB
TypeScript
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/**
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* @name isSameISOWeek
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* @category ISO Week Helpers
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* @summary Are the given dates in the same ISO week (and year)?
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*
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* @description
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* Are the given dates in the same ISO week (and year)?
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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 dateLeft - The first date to check
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* @param dateRight - The second date to check
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*
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* @returns The dates are in the same ISO week (and year)
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*
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* @example
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* // Are 1 September 2014 and 7 September 2014 in the same ISO week?
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* const result = isSameISOWeek(new Date(2014, 8, 1), new Date(2014, 8, 7))
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* //=> true
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*
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* @example
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* // Are 1 September 2014 and 1 September 2015 in the same ISO week?
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* const result = isSameISOWeek(new Date(2014, 8, 1), new Date(2015, 8, 1))
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* //=> false
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*/
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export declare function isSameISOWeek<DateType extends Date>(
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dateLeft: DateType | number | string,
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dateRight: DateType | number | string,
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): boolean;
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