mirror of
https://github.com/facebook/react.git
synced 2025-11-01 09:12:30 +00:00
acdlite
8d3e7a7bda
### Based on #27509 Revealing a prerendered tree (hidden -> visible) is considered the same as mounting a brand new tree. So, when an initialValue argument is passed to useDeferredValue, and it's prerendered inside a hidden tree, we should first prerender the initial value. After the initial value has been prerendered, we switch to prerendering the final one. This is the same sequence that we use when mounting new visible tree. Depending on how much prerendering work has been finished by the time the tree is revealed, we may or may not be able to skip all the way to the final value. This means we get the benefits of both prerendering and preview states: if we have enough resources to prerender the whole thing, we do that. If we don't, we have a preview state to show for immediate feedback. DiffTrain build for commit https://github.com/facebook/react/commit/75c1bd7ee7e4a87a4dd0f560e157c57957ef823b.