37 lines
1.2 KiB
JavaScript
37 lines
1.2 KiB
JavaScript
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import { startOfHour } from "./startOfHour.mjs";
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/**
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* @name isSameHour
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* @category Hour Helpers
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* @summary Are the given dates in the same hour (and same day)?
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*
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* @description
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* Are the given dates in the same hour (and same day)?
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*
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* @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
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*
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* @param dateLeft - The first date to check
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* @param dateRight - The second date to check
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*
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* @returns The dates are in the same hour (and same day)
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*
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* @example
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* // Are 4 September 2014 06:00:00 and 4 September 06:30:00 in the same hour?
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* const result = isSameHour(new Date(2014, 8, 4, 6, 0), new Date(2014, 8, 4, 6, 30))
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* //=> true
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*
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* @example
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* // Are 4 September 2014 06:00:00 and 5 September 06:00:00 in the same hour?
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* const result = isSameHour(new Date(2014, 8, 4, 6, 0), new Date(2014, 8, 5, 6, 0))
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* //=> false
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*/
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export function isSameHour(dateLeft, dateRight) {
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const dateLeftStartOfHour = startOfHour(dateLeft);
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const dateRightStartOfHour = startOfHour(dateRight);
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return +dateLeftStartOfHour === +dateRightStartOfHour;
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}
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// Fallback for modularized imports:
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export default isSameHour;
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