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
34
35
36
37
38
39
40
|
"use strict";
exports.setMonth = setMonth;
var _index = require("./constructFrom.js");
var _index2 = require("./getDaysInMonth.js");
var _index3 = require("./toDate.js");
/**
* @name setMonth
* @category Month Helpers
* @summary Set the month to the given date.
*
* @description
* Set the month to the given 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 month - The month index to set (0-11)
*
* @returns The new date with the month set
*
* @example
* // Set February to 1 September 2014:
* const result = setMonth(new Date(2014, 8, 1), 1)
* //=> Sat Feb 01 2014 00:00:00
*/
function setMonth(date, month) {
const _date = (0, _index3.toDate)(date);
const year = _date.getFullYear();
const day = _date.getDate();
const dateWithDesiredMonth = (0, _index.constructFrom)(date, 0);
dateWithDesiredMonth.setFullYear(year, month, 15);
dateWithDesiredMonth.setHours(0, 0, 0, 0);
const daysInMonth = (0, _index2.getDaysInMonth)(dateWithDesiredMonth);
// Set the last day of the new month
// if the original date was the last day of the longer month
_date.setMonth(month, Math.min(day, daysInMonth));
return _date;
}
|
