React Native Doctor Diagnostic Tool
Article Summary
How much time does your team waste debugging React Native environment setup? The React Native Community just shipped a solution that auto-fixes your dev environment issues.
After 20+ pull requests from 6 contributors, the React Native Community launched `react-native doctor`, a diagnostic CLI tool that troubleshoots and automatically fixes development environment problems. Inspired by Expo and Homebrew's doctor commands, it checks everything from Node.js to Xcode.
Key Takeaways
- Automatically detects and fixes issues with CocoaPods, Xcode, and Android SDK
- Checks 10+ dependencies including Node.js, Watchman, and platform-specific tooling
- Available now via npx without upgrading React Native versions
- Provides manual fix instructions with helpful links when auto-fix fails
Critical Insight
React Native teams can now diagnose and auto-fix environment setup issues in seconds instead of hours of manual troubleshooting.
