Respect Android Fabric event coalescing keys#57074
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Summary:
Fixes #54635.
Android Fabric receives a
customCoalesceKeyfromEvent.dispatchModern, but the key was dropped before the event reached the C++ Fabric queue. This meant coalescable custom native events with the same target/name but different keys could incorrectly replace each other before JS received them.This change threads the custom coalescing key through the Android Fabric event path and stores it on
RawEvent. The C++ event queue now only coalesces unique events when target, event type, and coalescing key all match. Existing callers continue to use the default key0, so the previous default coalescing behavior is preserved.Changelog:
[ANDROID] [FIXED] - Respect custom coalescing keys for Fabric events on Android
Test Plan:
./gradlew :packages:react-native:ReactAndroid:testDebugUnitTest --tests com.facebook.react.fabric.SurfaceMountingManagerEventOrderingTest --tests com.facebook.react.fabric.events.FabricEventEmitterTest -Preact.internal.useHermesNightly=false ./gradlew :packages:react-native:ReactAndroid:ktfmtCheck -Preact.internal.useHermesNightly=false ./gradlew ':packages:react-native:ReactAndroid:buildCMakeDebug[arm64-v8a][hermestooling,jsi,etc]' -Preact.internal.useHermesNightly=false git diff --check