A Practical Guide to React Native Monorepo With Yarn Workspaces
Article Summary
Nazar Sydiaha from Callstack tackles one of React Native's biggest scaling challenges: managing multiple apps and shared packages without losing your mind. His monorepo guide could save your team weeks of dependency hell.
As React Native apps grow into super apps with mobile, web, and shared components, managing separate repositories becomes a nightmare of duplicated code and version mismatches. This practical guide walks through setting up a monorepo with Yarn Workspaces to consolidate everything in one place.
Key Takeaways
- Monorepos eliminate duplicated code and dependency version mismatches across platforms
- Platform-specific extensions (.web.tsx, .native.tsx) enable shared APIs with optimized implementations
- Metro config updates let you watch entire workspace from root
- Shared tsconfig.base.json provides consistent TypeScript settings across all packages
A properly configured monorepo consolidates mobile, web, and shared packages into one repository with predictable dependency management and reduced CI overhead.
About This Article
React Native tooling is built around the classic node_modules layout. Yarn's Plug'n'Play system doesn't work well with it. Monorepo developers end up having to pick between using modern package management or keeping their tools compatible.
Nazar Sydiaha's guide shows how to configure Yarn to use the node-modules linker by running 'yarn config set nodeLinker node-modules'. Then you update Metro's watchFolders and nodeModulesPaths settings so it can find dependencies in both the app and workspace root node_modules directories.
Developers can use platform-specific file extensions like .web.tsx and .native.tsx to share package APIs between mobile and web. Each platform keeps its own implementation separate and efficient without needing extra runtime layers.