bc518174
 王天杨
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"use strict";
exports.eachMonthOfInterval = eachMonthOfInterval;
var _index = require("./toDate.js");
/**
* The {@link eachMonthOfInterval} function options.
*/
/**
* @name eachMonthOfInterval
* @category Interval Helpers
* @summary Return the array of months within the specified time interval.
*
* @description
* Return the array of months 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
*
* @returns The array with starts of months from the month of the interval start to the month of the interval end
*
* @example
* // Each month between 6 February 2014 and 10 August 2014:
* const result = eachMonthOfInterval({
* start: new Date(2014, 1, 6),
* end: new Date(2014, 7, 10)
* })
* //=> [
* // Sat Feb 01 2014 00:00:00,
* // Sat Mar 01 2014 00:00:00,
* // Tue Apr 01 2014 00:00:00,
* // Thu May 01 2014 00:00:00,
* // Sun Jun 01 2014 00:00:00,
* // Tue Jul 01 2014 00:00:00,
* // Fri Aug 01 2014 00:00:00
* // ]
*/
function eachMonthOfInterval(interval, options) {
const startDate = (0, _index.toDate)(interval.start);
const endDate = (0, _index.toDate)(interval.end);
let reversed = +startDate > +endDate;
const endTime = reversed ? +startDate : +endDate;
const currentDate = reversed ? endDate : startDate;
currentDate.setHours(0, 0, 0, 0);
currentDate.setDate(1);
let step = options?.step ?? 1;
if (!step) return [];
if (step < 0) {
step = -step;
reversed = !reversed;
}
const dates = [];
while (+currentDate <= endTime) {
dates.push((0, _index.toDate)(currentDate));
currentDate.setMonth(currentDate.getMonth() + step);
}
return reversed ? dates.reverse() : dates;
}
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