feat: add an isDisabled function to identify whether elements are disabled or not

[MatanBobi]

This was discussed in testing-library/dom-testing-library#1221 (comment)

I wasn't sure where's the right place to put this one, please let me know if there's a better place for this and I'll change (I thought about creating a new file but didn't want to make a mess).

Thanks!

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dom-accessibility-api	Minor

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[eps1lon]

These seems very much like an implementation detail. I assumed you meant to add a method that checks if an element is considered disabled in the a11y tree.

But this is too low level to be considered for a public API.

[MatanBobi]

These seems very much like an implementation detail. I assumed you meant to add a method that checks if an element is considered disabled in the a11y tree.

But this is too low level to be considered for a public API.

That makes a lot more sense.
Will fix this, thanks.

[MatanBobi]

Hi @eps1lon, pinging you about this change :)
Thanks!

[eps1lon]

Thanks!