Function isValid

isValid(date: unknown): boolean
Parameters
- date: unknown
  The date to check
Returns boolean
The date is valid
Name
isValid

Description
Returns false if argument is Invalid Date and true otherwise. Argument is converted to Date using toDate. See toDate Invalid Date is a Date, whose time value is NaN.

Time value of Date: http://es5.github.io/#x15.9.1.1
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
```
- Defined in node_modules/date-fns/isValid.d.ts:32