Wasm Bindgen
Wasm Bindgen is a Rust library and command-line tool that facilitates high-level interoperability between Rust and JavaScript when compiling Rust code to WebAssembly (Wasm). It generates JavaScript bindings for Rust functions and types, allowing seamless calling of Rust code from JavaScript and vice versa, while handling complex data types like strings, structs, and closures. This simplifies the integration of Rust's performance and safety features into web applications.
Developers should use Wasm Bindgen when building web applications that require high-performance computations, such as games, image processing, or scientific simulations, where Rust's speed and memory safety are advantageous. It is particularly useful for projects that need to expose Rust libraries to the web, as it automates the tedious process of manual binding generation and ensures type safety across the Rust-JavaScript boundary.