timepiece/node_modules/date-fns/eachDayOfInterval.mjs

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2024-05-14 14:54:12 +00:00
import { toDate } from "./toDate.mjs";
/**
* The {@link eachDayOfInterval} function options.
*/
/**
* @name eachDayOfInterval
* @category Interval Helpers
* @summary Return the array of dates within the specified time interval.
*
* @description
* Return the array of dates within the specified time interval.
*
* @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 interval - The interval.
* @param options - An object with options.
*
* @returns The array with starts of days from the day of the interval start to the day of the interval end
*
* @example
* // Each day between 6 October 2014 and 10 October 2014:
* const result = eachDayOfInterval({
* start: new Date(2014, 9, 6),
* end: new Date(2014, 9, 10)
* })
* //=> [
* // Mon Oct 06 2014 00:00:00,
* // Tue Oct 07 2014 00:00:00,
* // Wed Oct 08 2014 00:00:00,
* // Thu Oct 09 2014 00:00:00,
* // Fri Oct 10 2014 00:00:00
* // ]
*/
export function eachDayOfInterval(interval, options) {
const startDate = toDate(interval.start);
const endDate = toDate(interval.end);
let reversed = +startDate > +endDate;
const endTime = reversed ? +startDate : +endDate;
const currentDate = reversed ? endDate : startDate;
currentDate.setHours(0, 0, 0, 0);
let step = options?.step ?? 1;
if (!step) return [];
if (step < 0) {
step = -step;
reversed = !reversed;
}
const dates = [];
while (+currentDate <= endTime) {
dates.push(toDate(currentDate));
currentDate.setDate(currentDate.getDate() + step);
currentDate.setHours(0, 0, 0, 0);
}
return reversed ? dates.reverse() : dates;
}
// Fallback for modularized imports:
export default eachDayOfInterval;