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Samuel Susla
236db59a26
Summary: Pull Request resolved: https://github.com/facebook/react-native/pull/49520 changelog: [internal] Adds a new callback to EventBeat that is triggered in EventBeat::induce (that is when the UI thread is about to go IDLE). This will make state updates applied synchronously before the OS has a chance to paint but they will be batched. If two state updates happen in single UI tick, the will be executed at the end of UI's run loop. The state updates are still not batched into a single commit. If two state updates happen on the same component, they are coalesced. If two state updates happen on two different components, they will generate two transactions. This is a follow up optimisation. This feature is hidden behind `ReactNativeFeatureFlags::enableSynchronousStateUpdates` which is a preexisting feature flag. The feature flag was not rolled out yet and is not being used in any QEs at the moment. Reviewed By: rubennorte Differential Revision: D69848997 fbshipit-source-id: 870fd21f1d9d73d84861ddeac95b932a7fe1f5fe