calling-rust-from-tauri-frontend

You call Rust functions by defining them with the #[tauri::command] attribute, registering them in a single generate_handler! call, and invoking them from the frontend using the Tauri invoke API to execute backend logic.

Tauri IPC invoke handles argument serialization by requiring command inputs to implement the Deserialize trait and outputs to implement the Serialize trait, ensuring typed data is correctly passed between the frontend and Rust backend.

Yes, you can run async Rust commands from a Tauri frontend. The Tauri invoke system fully supports async commands, allowing the frontend to call into Rust for non-blocking data processing, IO operations, or system interactions.

You register multiple Rust commands in a Tauri app by listing them all together in a single generate_handler! invoke_handler call. This ensures predictable routing when the frontend invokes specific backend functions.

The best way to handle errors when invoking Rust from Tauri is returning a Result<T, E> type from your command. Both the Ok and Err variants must implement Serialize to correctly propagate typed errors to the frontend.