Spread attributes to container.

[srph]

This would allow us to pass event listeners and all sort
of things. Closes #122.

Do not merge yet, needs documentation.

edit: oops, right before that — should we remove the explicit style props?

[gpbl]

Thanks @srph, also for adding a test 🙌

Yes, I believe that style, onKeyDown and tabIndex should be treated as standard attributes.

• tabIndex should have a default value as 0 (it is already like that), it would eventually be set by the developer to -1 when not needed
• onKeyDown requires special care as in wrote in this comment

If you prefer, I can push these changes. For the docs, don't worry, I'll update them as the PR is merged.

[srph]

I made some updates. I think I'm quite lost (primarily with the tests) -- but I can revert stuff back to the original (before these new commits today)). Or I can just clean up the mess first, and ping you here in GH in a few hours.

(writing code during Fridays is bad; I never learn haha)

For tabIndex, currently it is set as such: canChangeMonth && tabIndex. I'm not sure if I understand the intent. Can I ask why it's written that way? I think it should be canChangeMonth ? tabIndex : -1 (assuming that it is used to disable focus).

If it looks good, I can squash the commits first, though.

Edit: I wrote some test cases for the new behavior of handleKeyDown. But, I'll commit them later.

[gpbl]

Looks fine to me thanks! (Don't worry about the decreased coverage, i'll check it out)
Thinking twice I see the tabIndex will work properly as it is. It should be added only if months can be changed, but its value may came from an external prop.

[gpbl]

Let me know if you need helps with the test... I know it's a bit too messy there, I should separate them in different files.

[srph]

Hmm, anything I missed out?

By the way, how about the role props/attribute? Should we allow it to be overridable?

[gpbl]

Nothing, it's perfect! 👍 Going to cut a new release soon 🚀

[srph]

Alright, I hope I didn't break anything crosses fingers. Thanks for your work!