bc518174
 王天杨
提交两个项目文件
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/**
* @name getISOWeekYear
* @category ISO Week-Numbering Year Helpers
* @summary Get the ISO week-numbering year of the given date.
*
* @description
* Get the ISO week-numbering year of the given date,
* which always starts 3 days before the year's first Thursday.
*
* 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 date - The given date
*
* @returns The ISO week-numbering year
*
* @example
* // Which ISO-week numbering year is 2 January 2005?
* const result = getISOWeekYear(new Date(2005, 0, 2))
* //=> 2004
*/
export declare function getISOWeekYear<DateType extends Date>(
date: DateType | number | string,
): number;
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