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
|
"use strict";
exports.addDays = addDays;
var _index = require("./toDate.js");
var _index2 = require("./constructFrom.js");
/**
* @name addDays
* @category Day Helpers
* @summary Add the specified number of days to the given date.
*
* @description
* Add the specified number of days 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 amount - The amount of days to be added.
*
* @returns The new date with the days added
*
* @example
* // Add 10 days to 1 September 2014:
* const result = addDays(new Date(2014, 8, 1), 10)
* //=> Thu Sep 11 2014 00:00:00
*/
function addDays(date, amount) {
const _date = (0, _index.toDate)(date);
if (isNaN(amount)) return (0, _index2.constructFrom)(date, NaN);
if (!amount) {
// If 0 days, no-op to avoid changing times in the hour before end of DST
return _date;
}
_date.setDate(_date.getDate() + amount);
return _date;
}
|