83 lines
2.4 KiB
JavaScript
83 lines
2.4 KiB
JavaScript
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"use strict";
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exports.eachWeekOfInterval = eachWeekOfInterval;
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var _index = require("./_lib/normalizeInterval.cjs");
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var _index2 = require("./addWeeks.cjs");
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var _index3 = require("./constructFrom.cjs");
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var _index4 = require("./startOfWeek.cjs");
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/**
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* The {@link eachWeekOfInterval} function options.
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*/
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/**
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* The {@link eachWeekOfInterval} function result type. It resolves the proper data type.
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* It uses the first argument date object type, starting from the interval start date,
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* then the end interval date. If a context function is passed, it uses the context function return type.
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*/
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/**
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* @name eachWeekOfInterval
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* @category Interval Helpers
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* @summary Return the array of weeks within the specified time interval.
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*
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* @description
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* Return the array of weeks within the specified time interval.
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*
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* @param interval - The interval.
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* @param options - An object with options.
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*
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* @returns The array with starts of weeks from the week of the interval start to the week of the interval end
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*
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* @example
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* // Each week within interval 6 October 2014 - 23 November 2014:
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* const result = eachWeekOfInterval({
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* start: new Date(2014, 9, 6),
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* end: new Date(2014, 10, 23)
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* })
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* //=> [
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* // Sun Oct 05 2014 00:00:00,
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* // Sun Oct 12 2014 00:00:00,
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* // Sun Oct 19 2014 00:00:00,
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* // Sun Oct 26 2014 00:00:00,
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* // Sun Nov 02 2014 00:00:00,
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* // Sun Nov 09 2014 00:00:00,
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* // Sun Nov 16 2014 00:00:00,
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* // Sun Nov 23 2014 00:00:00
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* // ]
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*/
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function eachWeekOfInterval(interval, options) {
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const { start, end } = (0, _index.normalizeInterval)(options?.in, interval);
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let reversed = +start > +end;
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const startDateWeek = reversed
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? (0, _index4.startOfWeek)(end, options)
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: (0, _index4.startOfWeek)(start, options);
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const endDateWeek = reversed
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? (0, _index4.startOfWeek)(start, options)
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: (0, _index4.startOfWeek)(end, options);
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startDateWeek.setHours(15);
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endDateWeek.setHours(15);
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const endTime = +endDateWeek.getTime();
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let currentDate = startDateWeek;
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let step = options?.step ?? 1;
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if (!step) return [];
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if (step < 0) {
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step = -step;
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reversed = !reversed;
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}
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const dates = [];
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while (+currentDate <= endTime) {
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currentDate.setHours(0);
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dates.push((0, _index3.constructFrom)(start, currentDate));
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currentDate = (0, _index2.addWeeks)(currentDate, step);
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currentDate.setHours(15);
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}
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return reversed ? dates.reverse() : dates;
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}
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