timepiece/node_modules/date-fns/nextDay.js

37 lines
1.1 KiB
JavaScript

"use strict";
exports.nextDay = nextDay;
var _index = require("./addDays.js");
var _index2 = require("./getDay.js");
/**
* @name nextDay
* @category Weekday Helpers
* @summary When is the next day of the week?
*
* @description
* When is the next day of the week? 0-6 the day of the week, 0 represents Sunday.
*
* @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 check
* @param day - day of the week
*
* @returns The date is the next day of week
*
* @example
* // When is the next Monday after Mar, 20, 2020?
* const result = nextDay(new Date(2020, 2, 20), 1)
* //=> Mon Mar 23 2020 00:00:00
*
* @example
* // When is the next Tuesday after Mar, 21, 2020?
* const result = nextDay(new Date(2020, 2, 21), 2)
* //=> Tue Mar 24 2020 00:00:00
*/
function nextDay(date, day) {
let delta = day - (0, _index2.getDay)(date);
if (delta <= 0) delta += 7;
return (0, _index.addDays)(date, delta);
}