Add a note that this is discouraged about react-tree-walker HOT 4 CLOSED

Coming from the standpoint of a developer that has worked a decent amount with a similar implementation as react-tree-walker I can understand the need to warn about the use of libraries that rely on other library internals.

However it would be nice to get a better understanding on some of the other appropriate solutions to these problems. Even for data fetching at the moment, at least until suspense is available in a stable release of react-dom / react-dom/server.

One use case I ran into is communicating leaf node data back up to the parent component (some of this data is static, other parts rely on where the leaf node is nested within the react tree). To me the react-call-return pattern seemed like the closest option that was available to support this kind of need, but that has been removed and never supported createContext if I understand correctly.

Let me know if there are other discussions elsewhere (on github or in other support communities around React) that are already talking about these problems/patterns that I can move this discussion to. I don't want to sidetrack this issue, only looking for additional insight/guidance/ideas.

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One use case I ran into is communicating leaf node data back up to the parent component (some of this data is static, other parts rely on where the leaf node is nested within the react tree). To me the react-call-return pattern seemed like the closest option that was available to support this kind of need, but that has been removed and never supported createContext if I understand correctly.

Wanna raise an RFC with your ideas? We want to bring back call/return in some form but we need to figure out a compelling API for it.

@ctrlplusb Thanks for super fast response!

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@gaearon I really appreciate your effort to ensure the health of the React eco-system. 👏

I am more than happy to update the docs to inform user's of the risk involved when using this library, along with a suggestion to keep their eyes on the imminent release of Suspense.

I apologise that hadn't considered doing this earlier - it reflects a bit of irresponsibility on my part.

Can't wait for Suspense. 🙏

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Done 👍

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