react-native-gesture-handler.addHelper undefined – can't find where the dependency issue is?

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I'm working on a ReactNative app that relies on react-native-gesture-handler and I'm trying to integrate react-native-vision-camera for a photo taking feature. For the last few days I've been unable to get my app running despite a successful build due to the following error:

TypeError: ../node_modules/react-native-gesture-handler/src/index.ts: Cannot read properties of undefined (reading 'addHelper')

I know from the gradle stack trace that the issue is centered in the babel dependencies but I can't track down exactly where, or what the conflict actually is. Does anyone have any suggestions?

Things I've tried so far

  • Removed and re-installed react-native-gesture-handler
  • Standalone project with only react-native-vision-camera installed
  • Removed all babel dependencies in package.json (ReactNative and Metro ship with a default implementation as I understand it)
  • Cleaned everything, repeatedly
  • Attempted deployment on both platforms, same results
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