Blame view

天文台pc/tianwentai-ui/node_modules/date-fns/setISOWeek.js 1.03 KB
bc518174   王天杨   提交两个项目文件
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
  "use strict";
  exports.setISOWeek = setISOWeek;
  var _index = require("./getISOWeek.js");
  var _index2 = require("./toDate.js");
  
  /**
   * @name setISOWeek
   * @category ISO Week Helpers
   * @summary Set the ISO week to the given date.
   *
   * @description
   * Set the ISO week to the given date, saving the weekday number.
   *
   * 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 week - The ISO week of the new date
   *
   * @returns The new date with the ISO week set
   *
   * @example
   * // Set the 53rd ISO week to 7 August 2004:
   * const result = setISOWeek(new Date(2004, 7, 7), 53)
   * //=> Sat Jan 01 2005 00:00:00
   */
  function setISOWeek(date, week) {
    const _date = (0, _index2.toDate)(date);
    const diff = (0, _index.getISOWeek)(_date) - week;
    _date.setDate(_date.getDate() - diff * 7);
    return _date;
  }