React Native Expo Best Practices

Production-oriented patterns for building React Native apps with Expo. Contains 20 rules across 10 categories focused on maintainable architecture, predictable runtime behavior, performance, accessibility, and safe release workflows.

When to Apply

Reference these guidelines when:

• Starting a new Expo app
• Refactoring an existing React Native codebase
• Defining TypeScript and file-structure conventions
• Integrating device features (camera, location, notifications)
• Optimizing list, image, and animation performance
• Implementing safe-area handling, dark mode, and accessibility
• Setting up validation, monitoring, and mobile testing strategy
• Setting up EAS Build and EAS Update pipelines
• Reviewing Expo app code for production readiness

Rules Summary