headlessui

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Robin Malfait 8fa5caf0dc Change default tag from div to Fragment on Transition components (#3110 )

* use `Fragment` as the default element for `Transition` components

* update tests to reflect default tag change

* only error on missing `ref` if it's actually required

If the `<Transition />` component "root" is used as a root placeholder
(for state management) and not making actual transitions itself, then we
don't require a `ref` element.

* add test to ensure we don't error on missing `ref` when not required

+ add `className="…"` to some places to indicate that we _do_ want to
  perform a transition and thus have to fail if the `ref` is missing.

* improve `requiresRef` check

Also ensure that a ref is required if the `as` prop is provided and
it's not a `Fragment`

* add `shouldForwardRef` helper

* fix broken tests

These tests were rendering a `Debug` element that didn't render any DOM
nodes. Adding `as="div"` ensures that we are forwarding the ref
correctly.

* update changelog

* update playgrounds to reflect tag change

* Tweak changelog

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Co-authored-by: Jonathan Reinink <jonathan@reinink.ca>

2024-04-19 16:15:11 +02:00