51 lines
1.5 KiB
JavaScript
51 lines
1.5 KiB
JavaScript
import eachDayOfInterval from '../eachDayOfInterval/index.js';
|
|
import isSunday from '../isSunday/index.js';
|
|
import isWeekend from '../isWeekend/index.js';
|
|
/**
|
|
* @name eachWeekendOfInterval
|
|
* @category Interval Helpers
|
|
* @summary List all the Saturdays and Sundays in the given date interval.
|
|
*
|
|
* @description
|
|
* Get all the Saturdays and Sundays in the given date interval.
|
|
*
|
|
* @param {Interval} interval - the given interval. See [Interval]{@link docs/types/Interval}
|
|
* @returns {Date[]} an array containing all the Saturdays and Sundays
|
|
* @throws {TypeError} 1 argument required
|
|
* @throws {RangeError} The start of an interval cannot be after its end
|
|
* @throws {RangeError} Date in interval cannot be `Invalid Date`
|
|
*
|
|
* @example
|
|
* // Lists all Saturdays and Sundays in the given date interval
|
|
* var result = eachWeekendOfInterval({
|
|
* start: new Date(2018, 8, 17),
|
|
* end: new Date(2018, 8, 30)
|
|
* })
|
|
* //=> [
|
|
* // Sat Sep 22 2018 00:00:00,
|
|
* // Sun Sep 23 2018 00:00:00,
|
|
* // Sat Sep 29 2018 00:00:00,
|
|
* // Sun Sep 30 2018 00:00:00
|
|
* // ]
|
|
*/
|
|
|
|
export default function eachWeekendOfInterval(interval) {
|
|
if (arguments.length < 1) {
|
|
throw new TypeError('1 argument required, but only ' + arguments.length + ' present');
|
|
}
|
|
|
|
var dateInterval = eachDayOfInterval(interval);
|
|
var weekends = [];
|
|
var index = 0;
|
|
|
|
while (index < dateInterval.length) {
|
|
var date = dateInterval[index++];
|
|
|
|
if (isWeekend(date)) {
|
|
weekends.push(date);
|
|
if (isSunday(date)) index = index + 5;
|
|
}
|
|
}
|
|
|
|
return weekends;
|
|
} |