EXPO: Unable to resolve module ‘./debugger

Question

After a reload my app has stopped loading.

I have tried on both emulators and 2 real devives, android and ios.

The error is:

Error: Unabl

Answer 1

Solved it for me in two ways:

First I simply removed the sourceMappingURL from the mentioned files, as these seemed to raise the error (build problems?).

But as I had to redo this on any package update / addition (which got quite annoying, as you might have guessed ; ), I was quite happy that @react-native-community/cli-debugger-ui v4.7.0 has been released yesterday! So I quickly added the following to my package.json:

"resolutions": {
    "@react-native-community/cli-debugger-ui": "4.7.0"
  }

Now, after deleting yarn.lock, running npx react-native-clean-project (the same could have been accomplished by deleting node_modules, cleaning the individual builds & pods, but react-native-clean-project is so much neater % ) & running yarn again, the problem was gone.

(Be sure to remove the resolution, when RN updates again...)

Reference: https://github.com/react-native-community/cli/issues/1081#issuecomment-614223917