35 lines
1.1 KiB
JavaScript
35 lines
1.1 KiB
JavaScript
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import isSameDay from '../isSameDay/index.js';
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import subDays from '../subDays/index.js';
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/**
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* @name isYesterday
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* @category Day Helpers
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* @summary Is the given date yesterday?
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* @pure false
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*
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* @description
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* Is the given date yesterday?
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*
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* > ⚠️ Please note that this function is not present in the FP submodule as
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* > it uses `Date.now()` internally hence impure and can't be safely curried.
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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 to check
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* @returns {Boolean} the date is yesterday
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* @throws {TypeError} 1 argument required
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*
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* @example
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* // If today is 6 October 2014, is 5 October 14:00:00 yesterday?
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* var result = isYesterday(new Date(2014, 9, 5, 14, 0))
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* //=> true
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*/
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export default function isYesterday(dirtyDate) {
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if (arguments.length < 1) {
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throw new TypeError('1 argument required, but only ' + arguments.length + ' present');
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}
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return isSameDay(dirtyDate, subDays(Date.now(), 1));
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}
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