41 lines
1,020 B
JavaScript
41 lines
1,020 B
JavaScript
import { isDate } from "./isDate.js";
|
|
import { toDate } from "./toDate.js";
|
|
|
|
/**
|
|
* @name isValid
|
|
* @category Common Helpers
|
|
* @summary Is the given date valid?
|
|
*
|
|
* @description
|
|
* Returns false if argument is Invalid Date and true otherwise.
|
|
* Argument is converted to Date using `toDate`. See [toDate](https://date-fns.org/docs/toDate)
|
|
* Invalid Date is a Date, whose time value is NaN.
|
|
*
|
|
* Time value of Date: http://es5.github.io/#x15.9.1.1
|
|
*
|
|
* @param date - The date to check
|
|
*
|
|
* @returns The date is valid
|
|
*
|
|
* @example
|
|
* // For the valid date:
|
|
* const result = isValid(new Date(2014, 1, 31))
|
|
* //=> true
|
|
*
|
|
* @example
|
|
* // For the value, convertible into a date:
|
|
* const result = isValid(1393804800000)
|
|
* //=> true
|
|
*
|
|
* @example
|
|
* // For the invalid date:
|
|
* const result = isValid(new Date(''))
|
|
* //=> false
|
|
*/
|
|
export function isValid(date) {
|
|
return !((!isDate(date) && typeof date !== "number") || isNaN(+toDate(date)));
|
|
}
|
|
|
|
// Fallback for modularized imports:
|
|
export default isValid;
|