uniffi-rs is a suite of projects to allow Rust to be used from other languages. It was started at Mozilla to facilitate building cross-platform components in Rust which could be run on Android and iOS.
It has since grown to support for other languages not in use at Mozilla.
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uniffi-bindgen-react-native is the project that houses the bindings generators for WASM and React Native.
It supports all language features that uniffi-rs supports, including:
- calling functions from Typescript to Rust, synchronous and asynchronous.
- calling functions from Rust to Typescript, synchronous and asynchronous.
- objects with methods, including:
- garbage collection integration.
- uniffi traits
- custom types
It contains tooling to generate bindings:
- for Hermes via JSI, and to generate the code to create turbo-modules.
- for WASM, using wasm-bindgen, and the WASM crate.