bc518174
 王天杨
提交两个项目文件
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"use strict";
exports.subISOWeekYears = subISOWeekYears;
var _index = require("./addISOWeekYears.js");
/**
* @name subISOWeekYears
* @category ISO Week-Numbering Year Helpers
* @summary Subtract the specified number of ISO week-numbering years from the given date.
*
* @description
* Subtract the specified number of ISO week-numbering years from the given date.
*
* 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 date to be changed
* @param amount - The amount of ISO week-numbering years to be subtracted.
*
* @returns The new date with the ISO week-numbering years subtracted
*
* @example
* // Subtract 5 ISO week-numbering years from 1 September 2014:
* const result = subISOWeekYears(new Date(2014, 8, 1), 5)
* //=> Mon Aug 31 2009 00:00:00
*/
function subISOWeekYears(date, amount) {
return (0, _index.addISOWeekYears)(date, -amount);
}
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