33 lines
1.1 KiB
JavaScript
33 lines
1.1 KiB
JavaScript
import toDate from '../toDate/index.js';
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/**
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* @name isSameYear
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* @category Year Helpers
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* @summary Are the given dates in the same year?
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*
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* @description
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* Are the given dates in the same year?
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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 year
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* @throws {TypeError} 2 arguments required
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*
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* @example
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* // Are 2 September 2014 and 25 September 2014 in the same year?
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* var result = isSameYear(new Date(2014, 8, 2), new Date(2014, 8, 25))
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* //=> true
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*/
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export default function isSameYear(dirtyDateLeft, dirtyDateRight) {
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if (arguments.length < 2) {
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throw new TypeError('2 arguments required, but only ' + arguments.length + ' present');
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}
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var dateLeft = toDate(dirtyDateLeft);
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var dateRight = toDate(dirtyDateRight);
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return dateLeft.getFullYear() === dateRight.getFullYear();
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} |