Problem with isValid function

There is an issue with the isValid function

The problem

💻 Code demonstrating the problem

isValid(new Date(‘2022-02-30’))

import { isValid } from 'date-fns'

isValid(new Date('2022-02-30'))
//=> Problematic output
Return true

### 🙁 Actual behavior

2.28.0

### 🙂 Expected behavior

<!-- Describe what you expected to get -->

## Debug information

- date-fns version: <!-- Fill in the date-fns version you use -->
- Browser/Node.js version: <!-- Fill in the envrionment version (i.e. Chrome 94.0.4606.61) -->
- Your timezone: <!-- Fill in your timezone name (i.e. Asia/Singapore) -->
- Your current time: <!-- Fill in the time when did you tested the probmlem (i.e. 16:20) -->

[mandaputtra]

I think you’re correct the docs could be improved. go ahead and submit your PR.

[robations]

Cheers @mandaputtra, will take a look ASAP.

For reference, looks like isValid(anyString) is false.

In other words, isValid("2022-02-30") is false but so is isValid("2022-02-28"). parseISO looks the way to go for this case.