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3434ff4f4b
This adds `experimental_scrollIntoView(alignToTop)`. It doesn't yet support `scrollIntoView(options)`. Cases: - No host children: Without host children, we represent the virtual space of the Fragment by attempting to scroll to the nearest edge by using its siblings. If the preferred sibling is not found, we'll try the other side, and then the parent. - 1 or more host children: In order to handle the case of children spread between multiple scroll containers, we scroll to each child in reverse order based on the `alignToTop` flag. Due to the complexity of multiple scroll containers and dealing with portals, I've added this under a separate feature flag with an experimental prefix. We may stabilize it along with the other APIs, but this allows us to not block the whole feature on it. This PR was previously implementing a much more complex approach to handling multiple scroll containers and portals. We're going to start with the simple loop and see if we can find any concrete use cases where that doesn't suffice. 01f31d43013ba7f6f54fd8a36990bbafc3c3cc68 is the diff between approaches here. |
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DOM Fixtures
A set of DOM test cases for quickly identifying browser issues.
Setup
To reference a local build of React, first run yarn build at the root
of the React project. Then:
cd fixtures/dom
yarn
yarn dev
The dev command runs a script that copies over the local build of react into
the public directory.