45 lines
1.2 KiB
JavaScript
45 lines
1.2 KiB
JavaScript
import isDate from "../isDate/index.js";
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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 isValid
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* @category Common Helpers
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* @summary Is the given date valid?
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*
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* @description
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* Returns false if argument is Invalid Date and true otherwise.
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* Argument is converted to Date using `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
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* Invalid Date is a Date, whose time value is NaN.
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*
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* Time value of Date: http://es5.github.io/#x15.9.1.1
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*
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* @param {*} date - the date to check
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* @returns {Boolean} the date is valid
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* @throws {TypeError} 1 argument required
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*
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* @example
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* // For the valid date:
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* const result = isValid(new Date(2014, 1, 31))
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* //=> true
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*
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* @example
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* // For the value, convertable into a date:
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* const result = isValid(1393804800000)
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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 = isValid(new Date(''))
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* //=> false
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*/
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export default function isValid(dirtyDate) {
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requiredArgs(1, arguments);
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if (!isDate(dirtyDate) && typeof dirtyDate !== 'number') {
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return false;
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}
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var date = toDate(dirtyDate);
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return !isNaN(Number(date));
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} |