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65 lines
2.1 KiB
65 lines
2.1 KiB
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = eachYearOfInterval;
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var _index = _interopRequireDefault(require("../toDate/index.js"));
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var _index2 = _interopRequireDefault(require("../_lib/requiredArgs/index.js"));
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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/**
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* @name eachYearOfInterval
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* @category Interval Helpers
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* @summary Return the array of yearly timestamps within the specified time interval.
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*
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* @description
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* Return the array of yearly timestamps within the specified time interval.
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*
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* @param {Interval} interval - the interval. See [Interval]{@link docs/types/Interval}
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* @returns {Date[]} the array with starts of yearly timestamps from the month of the interval start to the month 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 year between 6 February 2014 and 10 August 2017:
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* var result = eachYearOfInterval({
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* start: new Date(2014, 1, 6),
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* end: new Date(2017, 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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* // Thu Jan 01 2015 00:00:00,
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* // Fri Jan 01 2016 00:00:00,
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* // Sun Jan 01 2017 00:00:00
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* // ]
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*/
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function eachYearOfInterval(dirtyInterval) {
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(0, _index2.default)(1, arguments);
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var interval = dirtyInterval || {};
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var startDate = (0, _index.default)(interval.start);
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var endDate = (0, _index.default)(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 dates = [];
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var currentDate = startDate;
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currentDate.setHours(0, 0, 0, 0);
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currentDate.setMonth(0, 1);
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while (currentDate.getTime() <= endTime) {
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dates.push((0, _index.default)(currentDate));
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currentDate.setFullYear(currentDate.getFullYear() + 1);
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}
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return dates;
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}
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module.exports = exports.default; |