Commits on Apr 11, 2022

1. Fix infinite loop if unmemoized val passed to uDV …

   The current implementation of useDeferredValue will spawn a new
   render any time the input value is different from the previous one. So
   if you pass an unmemoized value (like an inline object), it will never
   stop spawning new renders.
   
   The fix is to only defer during an urgent render. If we're already
   inside a transition, retry, offscreen, or other non-urgen render, then
   we can use the latest value.

   

   acdlite committed Apr 11, 2022
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   422d102 View commit details

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2. Temporarily disable "long nested update" warning …

   DevTools' timeline profiler warns if an update inside a layout effect
   results in an expensive re-render. However, it misattributes renders
   that are spawned from a sync render at lower priority. This affects the
   new implementation of useDeferredValue but it would also apply to things
   like Offscreen.
   
   It's not obvious to me how to fix this given how DevTools models the
   idea of a "nested update" so I'm disabling the warning for now to
   unblock the bugfix for useDeferredValue.

   

   acdlite committed Apr 11, 2022
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   e4fd270 View commit details

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