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41 lines
1.5 KiB
41 lines
1.5 KiB
import startOfDay from "../startOfDay/index.js";
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import requiredArgs from "../_lib/requiredArgs/index.js";
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/**
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* @name isSameDay
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* @category Day Helpers
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* @summary Are the given dates in the same day (and year and month)?
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*
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* @description
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* Are the given dates in the same day (and year and month)?
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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 day (and year and month)
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* @throws {TypeError} 2 arguments required
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*
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* @example
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* // Are 4 September 06:00:00 and 4 September 18:00:00 in the same day?
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* var result = isSameDay(new Date(2014, 8, 4, 6, 0), new Date(2014, 8, 4, 18, 0))
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* //=> true
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*
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* @example
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* // Are 4 September and 4 October in the same day?
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* var result = isSameDay(new Date(2014, 8, 4), new Date(2014, 9, 4))
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* //=> false
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*
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* @example
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* // Are 4 September, 2014 and 4 September, 2015 in the same day?
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* var result = isSameDay(new Date(2014, 8, 4), new Date(2015, 8, 4))
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* //=> false
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*/
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export default function isSameDay(dirtyDateLeft, dirtyDateRight) {
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requiredArgs(2, arguments);
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var dateLeftStartOfDay = startOfDay(dirtyDateLeft);
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var dateRightStartOfDay = startOfDay(dirtyDateRight);
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return dateLeftStartOfDay.getTime() === dateRightStartOfDay.getTime();
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} |