32 lines
898 B
JavaScript
32 lines
898 B
JavaScript
/**
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* @name isExists
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* @category Common Helpers
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* @summary Is the given date exists?
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*
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* @description
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* Checks if the given arguments convert to an existing date.
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*
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* @param {Number} year of the date to check
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* @param {Number} month of the date to check
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* @param {Number} day of the date to check
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* @returns {Boolean} the date exists
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* @throws {TypeError} 3 arguments required
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*
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* @example
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* // For the valid date:
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* const result = isExists(2018, 0, 31)
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* //=> true
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*
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* @example
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* // For the invalid date:
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* const result = isExists(2018, 1, 31)
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* //=> false
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*/
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export default function isExists(year, month, day) {
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if (arguments.length < 3) {
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throw new TypeError('3 argument required, but only ' + arguments.length + ' present');
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}
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var date = new Date(year, month, day);
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return date.getFullYear() === year && date.getMonth() === month && date.getDate() === day;
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} |