55 lines
1.9 KiB
JavaScript
55 lines
1.9 KiB
JavaScript
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import addQuarters from "../addQuarters/index.js";
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import startOfQuarter from "../startOfQuarter/index.js";
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import toDate from "../toDate/index.js";
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import requiredArgs from "../_lib/requiredArgs/index.js";
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/**
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* @name eachQuarterOfInterval
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* @category Interval Helpers
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* @summary Return the array of quarters within the specified time interval.
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*
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* @description
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* Return the array of quarters within the specified time interval.
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*
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* @param {Interval} interval - the interval. See [Interval]{@link https://date-fns.org/docs/Interval}
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* @returns {Date[]} the array with starts of quarters from the quarter of the interval start to the quarter of the interval end
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* @throws {TypeError} 1 argument required
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* @throws {RangeError} The start of an interval cannot be after its end
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* @throws {RangeError} Date in interval cannot be `Invalid Date`
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*
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* @example
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* // Each quarter within interval 6 February 2014 - 10 August 2014:
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* const result = eachQuarterOfInterval({
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* start: new Date(2014, 1, 6),
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* end: new Date(2014, 7, 10)
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* })
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* //=> [
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* // Wed Jan 01 2014 00:00:00,
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* // Tue Apr 01 2014 00:00:00,
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* // Tue Jul 01 2014 00:00:00,
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* // ]
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*/
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export default function eachQuarterOfInterval(dirtyInterval) {
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requiredArgs(1, arguments);
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var interval = dirtyInterval || {};
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var startDate = toDate(interval.start);
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var endDate = toDate(interval.end);
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var endTime = endDate.getTime(); // Throw an exception if start date is after end date or if any date is `Invalid Date`
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if (!(startDate.getTime() <= endTime)) {
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throw new RangeError('Invalid interval');
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}
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var startDateQuarter = startOfQuarter(startDate);
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var endDateQuarter = startOfQuarter(endDate);
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endTime = endDateQuarter.getTime();
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var quarters = [];
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var currentQuarter = startDateQuarter;
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while (currentQuarter.getTime() <= endTime) {
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quarters.push(toDate(currentQuarter));
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currentQuarter = addQuarters(currentQuarter, 1);
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}
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return quarters;
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}
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