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Pass reanimatedEventHandler only when the Reanimated detector is used #4429

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Merged
m-bert merged 2 commits into from
Aug 18, 2026
+13 −8
Merged

Pass reanimatedEventHandler only when the Reanimated detector is used #4429

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1e24ffa
Pass `reanimatedEventHandler` only when the Reanimated detector is used
antFrancon Aug 15, 2026
d849577
Apply the same guard on the web branch
antFrancon Aug 17, 2026
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21 changes: 13 additions & 8 deletions packages/react-native-gesture-handler/src/v3/detectors/NativeDetector.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -51,19 +51,24 @@ export function NativeDetector<
// On native, Reanimated handles routing internally based on the event names
// passed to the useEvent hook. We only need to pass it once, so that Reanimated
// can setup its internal listeners.
//
// `reanimatedEventHandler` is built whenever `disableReanimated` is unset, but
// `shouldUseReanimatedDetector` additionally requires worklet callbacks. When it is false we
// render the plain host component, which forwards props verbatim, so passing the handler would
// put a non-function on a codegen `DirectEventHandler` prop.
const reanimatedEventHandler = gesture.config.shouldUseReanimatedDetector
? gesture.detectorCallbacks.reanimatedEventHandler
: undefined;

const reanimatedHandlers =
Platform.OS === 'web'
? {
onGestureHandlerReanimatedEvent:
gesture.detectorCallbacks.reanimatedEventHandler,
onGestureHandlerReanimatedStateChange:
gesture.detectorCallbacks.reanimatedEventHandler,
onGestureHandlerReanimatedTouchEvent:
gesture.detectorCallbacks.reanimatedEventHandler,
onGestureHandlerReanimatedEvent: reanimatedEventHandler,
onGestureHandlerReanimatedStateChange: reanimatedEventHandler,
onGestureHandlerReanimatedTouchEvent: reanimatedEventHandler,
}
: {
onGestureHandlerReanimatedEvent:
gesture.detectorCallbacks.reanimatedEventHandler,
onGestureHandlerReanimatedEvent: reanimatedEventHandler,
};

return (
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