Tianyu Yao

Warn when going to/from 0 hook

3

## Summary For fixing #24438. ## How did you test this change? yarn test --watch ReactHooksWithnoopRenderer (--variant=true/false) yarn test --prod CI jobs

Unify Default and Sync lane

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## Summary Resubmitted https://github.com/facebook/react/pull/25438 We want to unify DefaultLane, SyncLane, and ContinuousLane into just SyncLane, and use a separate field on the root to track whether they should be scheduled...

Continue Add end-of-frame scheduling for default events

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## Summary Depends on https://github.com/facebook/react/pull/25466 Resubmit https://github.com/facebook/react/pull/25310 rebased and in a different branch. Continue the work of https://github.com/facebook/react/pull/24594 The major change compared to https://github.com/facebook/react/pull/24594 is that we no longer distinguish...

Attach updatePriority to root

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## Summary Depends on https://github.com/facebook/react/pull/25460 Breaks down https://github.com/facebook/react/pull/25438. In https://github.com/facebook/react/pull/25310 or https://github.com/facebook/react/pull/25438 we are adding a flag to determine what updateType it is on the current sync lane. This PR...

## Summary Breaks down #25438, we are going to merge Default and Continuous lane into Sync lane, so EventPriority no longer maps to Lane anymore. ## How did you test...

Cleanup enableUnifiedSyncLane flag

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## Summary The feature flag enables batching discrete, continuous and default updates. This is being rolled out internally and there hasn't been any issues. The flag will be ready to...