rxjs
Version:
Reactive Extensions for modern JavaScript
11 lines (10 loc) • 363 B
text/typescript
/**
* Checks to see if a value is not only a `Date` object,
* but a *valid* `Date` object that can be converted to a
* number. For example, `new Date('blah')` is indeed an
* `instanceof Date`, however it cannot be converted to a
* number.
*/
export function isValidDate(value: any): value is Date {
return value instanceof Date && !isNaN(value as any);
}