Nitro Modules are highly efficient native modules with a statically compiled binding layer to JSI, and typesafe JS bindings. It consists of two parts:

• react-native-nitro-modules: The core C++ library powering all nitro modules
• nitrogen: A code-generator for nitro module library authors

Installation

Install react-native-nitro-modules from npm:

npm i react-native-nitro-modules
cd ios && pod install

Documentation

• Nitro docs 📚
• Community Discord 💬
• nitrogen/README.md
• react-native-nitro-modules/README.md
• react-native-nitro-image example module
• TestObject.nitro.ts example playground

Supported Platforms

Cross-platform

Cross-platform native modules can be built with C++. Any custom C++ types can be used and bridged to JS with minimal overhead.

JS <-> C++ type converters are statically generated ahead of time - no more dynamic lookups or runtime parser errors! 🥳

iOS

iOS native modules and view components can be written either in pure C++, or pure Swift. Thanks to Swift 5.9, Swift Nitro Modules bridge directly to C++ instead of going through Objective-C message sends. Woohoo, no more Objective-C, and zero overhead C++ -> Swift calls! 🥳

Android

Android native modules and view components can be written either in pure C++, or pure Kotlin/Java. Thanks to fbjni, even complex types can be effortlessly bridged to Kotlin/Java with minimal overhead! 🔥

Margelo

Nitro is built with ❤️ by Margelo. We build fast and beautiful apps. Contact us at margelo.com for consultancy services.

Contributing

See the contributing guide to learn how to contribute to the repository and the development workflow.

License

MIT