timepiece/node_modules/date-fns/isSameISOWeek.d.ts

32 lines
1.1 KiB
TypeScript

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