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31 lines
1.1 KiB
31 lines
1.1 KiB
3 years ago
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import toDate from '../toDate/index.js';
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import requiredArgs from '../_lib/requiredArgs/index.js';
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/**
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* @name isBefore
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* @category Common Helpers
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* @summary Is the first date before the second one?
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*
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* @description
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* Is the first date before the second one?
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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 date that should be before the other one to return true
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* @param {Date|Number} dateToCompare - the date to compare with
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* @returns {Boolean} the first date is before the second date
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* @throws {TypeError} 2 arguments required
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*
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* @example
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* // Is 10 July 1989 before 11 February 1987?
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* var result = isBefore(new Date(1989, 6, 10), new Date(1987, 1, 11))
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* //=> false
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*/
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export default function isBefore(dirtyDate, dirtyDateToCompare) {
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requiredArgs(2, arguments);
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var date = toDate(dirtyDate);
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var dateToCompare = toDate(dirtyDateToCompare);
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return date.getTime() < dateToCompare.getTime();
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}
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