You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
42 lines
1.1 KiB
42 lines
1.1 KiB
import requiredArgs from '../_lib/requiredArgs/index.js';
|
|
/**
|
|
* @name isDate
|
|
* @category Common Helpers
|
|
* @summary Is the given value a date?
|
|
*
|
|
* @description
|
|
* Returns true if the given value is an instance of Date. The function works for dates transferred across iframes.
|
|
*
|
|
* ### v2.0.0 breaking changes:
|
|
*
|
|
* - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).
|
|
*
|
|
* @param {*} value - the value to check
|
|
* @returns {boolean} true if the given value is a date
|
|
* @throws {TypeError} 1 arguments required
|
|
*
|
|
* @example
|
|
* // For a valid date:
|
|
* var result = isDate(new Date())
|
|
* //=> true
|
|
*
|
|
* @example
|
|
* // For an invalid date:
|
|
* var result = isDate(new Date(NaN))
|
|
* //=> true
|
|
*
|
|
* @example
|
|
* // For some value:
|
|
* var result = isDate('2014-02-31')
|
|
* //=> false
|
|
*
|
|
* @example
|
|
* // For an object:
|
|
* var result = isDate({})
|
|
* //=> false
|
|
*/
|
|
|
|
export default function isDate(value) {
|
|
requiredArgs(1, arguments);
|
|
return value instanceof Date || typeof value === 'object' && Object.prototype.toString.call(value) === '[object Date]';
|
|
} |