Async Commands in Tauri: Background Tasks with Progress Events | Rust + React

Learn how to run long-running operations in Tauri without freezing your UI! ⚡ In this tutorial, you'll master async commands in Tauri, a crucial skill for building responsive desktop applications. 📚 What You'll Learn: ✅ Understanding async fn in Tauri commands ✅ Using Tokio's async runtime for background tasks ✅ Emitting real-time progress events from Rust to React ✅ Building a responsive progress bar UI ✅ Proper event listener cleanup in React 🔧 Technologies Used: • Tauri 2.0 - Rust-based desktop framework • Tokio - Async runtime for Rust • React + TypeScript - Frontend • Tailwind CSS - Styling ⏱️ Timestamps: 0:00 - Introduction & Prerequisites 0:39 - Create Tauri Project 1:23 - Understanding Async in Tauri 2:28 - Rust Backend: Imports & Struct 3:34 - Rust Backend: Async Command 5:57 - Register Command with Tauri 6:56 - React Frontend: State Setup 8:33 - React Frontend: Event Listener 10:35 - React Frontend: UI Components 14:03 - App Demo 14:53 - Recap & Key Takeaways 💡 Key Concepts: • async fn process_task() - Async commands run on Tokio's thread pool • tokio::time::sleep().await - Non-blocking delays • app.emit("event", payload) - Send progress to frontend • listen("event", callback) - Receive events in React 🔗 Resources: • Tauri Docs: https://tauri.app • Tokio Async Runtime: https://tokio.rs • Tauri Events: https://tauri.app/develop/calling-frontend/ #tauri #rust #async #react #typescript #tokio #desktop #tutorial #programming