React Native BUILD FAILED on run-ios - Javascript

If you are a React Native developer, you are probably already familiar with the BUILD FAILED error that can occur when trying to run your app on iOS. This error can be frustrating and time-consuming to troubleshoot, but it is often caused by a common issue with the Javascript code.

What causes the BUILD FAILED error?

The BUILD FAILED error occurs when the React Native CLI is unable to build the iOS app. This can happen for several reasons, including errors in the Javascript code, issues with dependencies, or problems with the Xcode project.

Troubleshooting the BUILD FAILED error

1. Check for errors in your Javascript code: One common cause of the BUILD FAILED error is errors in the Javascript code. Try running your app using a linter or debugger to identify any syntax errors or logical issues that may be causing the error.

2. Check the project dependencies: Another potential cause of the BUILD FAILED error is problems with dependencies. Check your package.json file to ensure all dependencies are up to date and working properly.

3. Check the Xcode project: Finally, make sure that the Xcode project is configured correctly. Check the build settings and ensure that all required frameworks and libraries are included.

Conclusion

The BUILD FAILED error can be frustrating, but it is often caused by a common issue with the Javascript code. By checking for errors in your code, verifying dependencies, and ensuring the Xcode project is configured correctly, you can quickly resolve this issue and get back to developing your app.