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					38 lines
				
				1.3 KiB
			
		
		
			
		
	
	
					38 lines
				
				1.3 KiB
			| 
											3 years ago
										 | import toInteger from '../_lib/toInteger/index.js'; | ||
|  | import toDate from '../toDate/index.js'; | ||
|  | import addDays from '../addDays/index.js'; | ||
|  | import getISODay from '../getISODay/index.js'; | ||
|  | import requiredArgs from '../_lib/requiredArgs/index.js'; | ||
|  | /** | ||
|  |  * @name setISODay | ||
|  |  * @category Weekday Helpers | ||
|  |  * @summary Set the day of the ISO week to the given date. | ||
|  |  * | ||
|  |  * @description | ||
|  |  * Set the day of the ISO week to the given date. | ||
|  |  * ISO week starts with Monday. | ||
|  |  * 7 is the index of Sunday, 1 is the index of Monday etc. | ||
|  |  * | ||
|  |  * ### v2.0.0 breaking changes: | ||
|  |  * | ||
|  |  * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).
 | ||
|  |  * | ||
|  |  * @param {Date|Number} date - the date to be changed | ||
|  |  * @param {Number} day - the day of the ISO week of the new date | ||
|  |  * @returns {Date} the new date with the day of the ISO week set | ||
|  |  * @throws {TypeError} 2 arguments required | ||
|  |  * | ||
|  |  * @example | ||
|  |  * // Set Sunday to 1 September 2014:
 | ||
|  |  * var result = setISODay(new Date(2014, 8, 1), 7) | ||
|  |  * //=> Sun Sep 07 2014 00:00:00
 | ||
|  |  */ | ||
|  | 
 | ||
|  | export default function setISODay(dirtyDate, dirtyDay) { | ||
|  |   requiredArgs(2, arguments); | ||
|  |   var date = toDate(dirtyDate); | ||
|  |   var day = toInteger(dirtyDay); | ||
|  |   var currentDay = getISODay(date); | ||
|  |   var diff = day - currentDay; | ||
|  |   return addDays(date, diff); | ||
|  | } |