expo-camera peer dependency conflict with npm 7+ due to @koale/useworker

[stevehs17]

Summary

The expected behavior is that when I install expo-camera in a React Native app created by running npx react-native init, which uses react 17.0.2, there will be a version of react that satisfies all peerDependencies.

However, I get this error: Unable to find a version of react that satisfies the following peerDependencies: 17.0.2 and ^16.0.0 || ^17.0.0 || ^18.0.0 and ^16.8.0 and ^16.0.0 || ^17.0.0 and ^16.8.0 || ^17.0.0.

Managed or bare workflow? If you have ios/ or android/ directories in your project, the answer is bare!

bare

What platform(s) does this occur on?

iOS

SDK Version (managed workflow only)

No response

Environment

expo-env-info 1.0.3 environment info:
System:
OS: macOS 12.1
Shell: 5.8 - /bin/zsh
Binaries:
Node: 16.11.1 - ~/.nvm/versions/node/v16.11.1/bin/node
Yarn: 1.22.18 - ~/.nvm/versions/node/v16.11.1/bin/yarn
npm: 8.0.0 - ~/.nvm/versions/node/v16.11.1/bin/npm
Watchman: 2022.05.23.00 - /usr/local/bin/watchman
Managers:
CocoaPods: 1.11.2 - /usr/local/bin/pod
SDKs:
iOS SDK:
Platforms: DriverKit 21.2, iOS 15.2, macOS 12.1, tvOS 15.2, watchOS 8.3
Android SDK:
API Levels: 25, 27, 29, 30, 31
Build Tools: 27.0.3, 29.0.2, 30.0.1, 30.0.2, 31.0.0
System Images: android-30 | Google APIs Intel x86 Atom, android-30 | Google Play Intel x86 Atom
IDEs:
Android Studio: 2021.1 AI-211.7628.21.2111.8309675
Xcode: 13.2.1/13C100 - /usr/bin/xcodebuild
npmPackages:
expo: ^45.0.0 => 45.0.5
react: 17.0.2 => 17.0.2
react-native: 0.68.2 => 0.68.2
npmGlobalPackages:
expo-cli: 5.0.3
Expo Workflow: bare

Reproducible demo

Run the following commands:

npx react-native init expovideo
cd expovideo
npx install-expo-modules@latest
expo install expo-camera

Then run npx check-peer-dependencies --findSolutions. The output includes this:
❌ Unable to find a version of react that satisfies the following peerDependencies: 17.0.2 and ^16.0.0 || ^17.0.0 || ^18.0.0 and ^16.8.0 and ^16.0.0 || ^17.0.0 and ^16.8.0 || ^17.0.0

The error is due to the package @koale/useworker:
❌ react ^16.8.0 is required by @koale/useworker@4.0.2) (17.0.2 is installed)

[brentvatne]

alewin/useWorker#123

you can work around this by using the --legacy-peer-deps flag with npm install

[stevehs17]

Thank you @brentvatne

I haven't been having problems building since I'm using yarn. However, I am concerned about the underlying problem rather than the symptom. What would be involved in fixing the underlying problem (i.e. updating the react dependency for @koale/useworker)?

[brentvatne]

correct - updating the react dependency for @koale/useworker is one solution. another is to move off of that dependency in expo-camera

[stevehs17]

Thanks, @brentvatne

[github-actions]

This issue is stale because it has been open for 60 days with no activity. If there is no activity in the next 7 days, the issue will be closed.

[github-actions]

This issue was closed because it has been inactive for 7 days since being marked as stale. Please open a new issue if you believe you are encountering a related problem.

[Buddimal-Liyanapathirana]

ran to this error and fixed it after running the command npx expo install expo-updates

[expo-bot]

Thank you for filing this issue!
This comment acknowledges we believe this may be a bug and there’s enough information to investigate it.
However, we can’t promise any sort of timeline for resolution. We prioritize issues based on severity, breadth of impact, and alignment with our roadmap. If you’d like to help move it more quickly, you can continue to investigate it more deeply and/or you can open a pull request that fixes the cause.

[minifisk]

Wait what? You aren't putting priority on an issue where those that use expos latest SDK can ask users for permissions to use the camera? Don't you find that a pretty central functionality that we as developers should be able to use with your software?

[freewill777]

any luck with this?

[freewill777]

i'm still having this issue

[sunnyrod]

The "Basic Camera usage" example from expo-camera usage doc works in Expo Snack web view, see example:
https://snack.expo.dev/@sunnyr/basic-camera-usage

I have attached zip of project export from Expo Snack: basic-camera-usage.zip

Extracting the package.json reveals that the example also uses react@18. What is Expo Snack doing differently that allows it to use expo-camera@13.2.1 which has dependency on @koale/useworker@4.0.2?

{
  "main": "node_modules/expo/AppEntry.js",
  "scripts": {
    "start": "expo start",
    "android": "expo start --android",
    "ios": "expo start --ios",
    "web": "expo start --web"
  },
  "dependencies": {
    "expo": "~48.0.18",
    "expo-status-bar": "~1.4.4",
    "react": "18.2.0",
    "react-native": "0.71.8",
    "expo-camera": "~13.2.1"
  },
  "devDependencies": {
    "@babel/core": "^7.20.0"
  },
  "private": true
}

The package-lock.json shows that @koale/useworker@4.0.2 has a peerDependency on react@16:

...
    "node_modules/expo-camera/node_modules/@koale/useworker": {
      "version": "4.0.2",
      "resolved": "https://registry.npmjs.org/@koale/useworker/-/useworker-4.0.2.tgz",
      "integrity": "sha512-xPIPADtom8/3/4FLNj7MvNcBM/Z2FleH85Fdx2O869eoKW8+PoEgtSVvoxWjCWMA46Sm9A5/R1TyzNGc+yM0wg==",
      "dependencies": {
        "dequal": "^1.0.0"
      },
      "peerDependencies": {
        "react": "^16.8.0"
      }
    },
...

[abramfh]

Any updates?

My application uses camera and it is no longer possible to generate builds for the play store using expo , because of this problem, as I did not find a solution I am having to abandon expo