39 lines
1.4 KiB
JavaScript
39 lines
1.4 KiB
JavaScript
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import toDate from '../toDate/index.js';
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/**
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* @name lastDayOfQuarter
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* @category Quarter Helpers
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* @summary Return the last day of a year quarter for the given date.
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*
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* @description
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* Return the last day of a year quarter for the given date.
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* The result will be in the local timezone.
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*
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* ### v2.0.0 breaking changes:
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*
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* - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).
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*
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* @param {Date|Number} date - the original date
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* @param {Object} [options] - an object with options.
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* @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
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* @returns {Date} the last day of a quarter
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* @throws {TypeError} 1 argument required
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* @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
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*
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* @example
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* // The last day of a quarter for 2 September 2014 11:55:00:
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* var result = lastDayOfQuarter(new Date(2014, 8, 2, 11, 55, 0))
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* //=> Tue Sep 30 2014 00:00:00
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*/
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export default function lastDayOfQuarter(dirtyDate) {
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if (arguments.length < 1) {
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throw new TypeError('1 argument required, but only ' + arguments.length + ' present');
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}
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var date = toDate(dirtyDate);
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var currentMonth = date.getMonth();
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var month = currentMonth - currentMonth % 3 + 3;
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date.setMonth(month, 0);
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date.setHours(0, 0, 0, 0);
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return date;
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}
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