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36 lines
1.3 KiB
36 lines
1.3 KiB
import startOfQuarter from "../startOfQuarter/index.js";
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import requiredArgs from "../_lib/requiredArgs/index.js";
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/**
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* @name isSameQuarter
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* @category Quarter Helpers
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* @summary Are the given dates in the same quarter (and year)?
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*
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* @description
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* Are the given dates in the same quarter (and year)?
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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} dateLeft - the first date to check
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* @param {Date|Number} dateRight - the second date to check
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* @returns {Boolean} the dates are in the same quarter (and year)
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* @throws {TypeError} 2 arguments required
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*
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* @example
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* // Are 1 January 2014 and 8 March 2014 in the same quarter?
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* var result = isSameQuarter(new Date(2014, 0, 1), new Date(2014, 2, 8))
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* //=> true
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*
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* @example
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* // Are 1 January 2014 and 1 January 2015 in the same quarter?
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* var result = isSameQuarter(new Date(2014, 0, 1), new Date(2015, 0, 1))
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* //=> false
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*/
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export default function isSameQuarter(dirtyDateLeft, dirtyDateRight) {
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requiredArgs(2, arguments);
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var dateLeftStartOfQuarter = startOfQuarter(dirtyDateLeft);
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var dateRightStartOfQuarter = startOfQuarter(dirtyDateRight);
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return dateLeftStartOfQuarter.getTime() === dateRightStartOfQuarter.getTime();
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} |