A Comprehensive Report on the React Native New Architecture

A deep-dive research report on the React Native New Architecture, covering core concepts, practical guides, real-world case studies, and more.

This document serves as the central hub for a detailed, 16-chapter report on the significant evolution in the React Native framework. The research is conducted by analyzing the official React Native repository, authoritative documentation, and real-world libraries to provide a comprehensive and up-to-date understanding of the new architecture.

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📚 Table of Contents

Part 1: Core Architecture

• Chapter 1: Introduction - The "Why"
  • A deep dive into the limitations of the original architecture and the vision for the new one.
• Chapter 2: JSI - The Foundation
  • An exploration of the JavaScript Interface (JSI) and its role as the cornerstone of the new architecture.
• Chapter 3: Fabric - The New Renderer
  • A detailed look at the new rendering system that replaces UIManager.
• Chapter 4: Turbo Modules - The New Native Modules
  • Understanding the next generation of native modules and their benefits.
• Chapter 5: CodeGen - The Automation Engine
  • An analysis of the tooling that automates the generation of "glue code."
• Chapter 6: Bridgeless - The Ultimate Goal
  • Investigating the progress and implications of running React Native without the original Bridge.

Part 2: Practical Application & Guides

• Chapter 7: Migration and Adoption
  • A practical guide for developers on migrating their apps and libraries.
• Chapter 8: Performance Analysis
  • A review of benchmarks and performance improvements.
• Chapter 9: Conclusion and Future
  • A summary of the key advancements and a look at the future roadmap.
• Chapter 10: Common Mistakes and Misunderstandings
  • A guide to frequent errors and pitfalls when working with the New Architecture.
• Chapter 11: Best Practices
  • A list of do's and don'ts for writing performant and maintainable code.
• Chapter 12: Frequently Asked Questions (FAQs)
  • A list of common high-level questions and their answers.

Part 3: Real-World Examples & Tooling

• Chapter 13: Case Study - react-native-vision-camera
  • An analysis of how a production library blends legacy view managers with JSI frame processors while preparing for the New Architecture.
• Chapter 14: Alternative Tooling - Nitro
  • An exploration of a high-level framework that provides an alternative developer experience for creating native modules.
• Chapter 15: Tutorial - Building a Native Module and Component
  • A hands-on tutorial building a simple Fabric component and TurboModule from scratch.
• Chapter 16: Additional Resources and Checklists
  • A collection of useful checklists and resources for migration and development.