51 lines
1.6 KiB
JavaScript
51 lines
1.6 KiB
JavaScript
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import { startOfSecond } from "./startOfSecond.mjs";
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/**
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* @name isSameSecond
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* @category Second Helpers
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* @summary Are the given dates in the same second (and hour and day)?
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*
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* @description
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* Are the given dates in the same second (and hour and 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 second (and hour and day)
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*
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* @example
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* // Are 4 September 2014 06:30:15.000 and 4 September 2014 06:30.15.500 in the same second?
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* const result = isSameSecond(
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* new Date(2014, 8, 4, 6, 30, 15),
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* new Date(2014, 8, 4, 6, 30, 15, 500)
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* )
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* //=> true
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*
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* @example
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* // Are 4 September 2014 06:00:15.000 and 4 September 2014 06:01.15.000 in the same second?
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* const result = isSameSecond(
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* new Date(2014, 8, 4, 6, 0, 15),
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* new Date(2014, 8, 4, 6, 1, 15)
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* )
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* //=> false
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*
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* @example
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* // Are 4 September 2014 06:00:15.000 and 5 September 2014 06:00.15.000 in the same second?
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* const result = isSameSecond(
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* new Date(2014, 8, 4, 6, 0, 15),
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* new Date(2014, 8, 5, 6, 0, 15)
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* )
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* //=> false
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*/
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export function isSameSecond(dateLeft, dateRight) {
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const dateLeftStartOfSecond = startOfSecond(dateLeft);
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const dateRightStartOfSecond = startOfSecond(dateRight);
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return +dateLeftStartOfSecond === +dateRightStartOfSecond;
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}
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// Fallback for modularized imports:
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export default isSameSecond;
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