Compiling from Rust to WebAssembly and Run in ReactJS App

Описание к видео Compiling from Rust to WebAssembly and Run in ReactJS App

Compiling a Rust application into WebAssembly (WASM) format is pretty straightforward. This allows you to use Rust logic in a React app. First, you need Node.js with npm and have Rust and Cargo installed. Install wasm-pack using Cargo. You can then use wasm-pack to build a Rust library as WASM, which is easy to import. Create the Rust library using Cargo and compile it with wasm-pack.

Set up your React app to import the WASM module. WebAssembly has several advantages over JavaScript, including faster speed and better code efficiency. It also allows importing libraries from other languages like Rust, C, and C++, offering better security through sandboxing and cross-platform benefits. For example, you can port code from other platforms into your web app. WASM can also be used in server-side apps like Node.js, providing a unified codebase. WASM can be valuable in web browsers, especially for game development, cryptography, high-precision tasks, video, and image processing, and scientific simulations.

You can port existing applications into WASM to use them in web browsers or other environments. To convert a Rust library into a WASM library, create a new Rust app with `cargo new HelloWASM`. Edit `Cargo.toml` to include `cdylib` and `wasm-bindgen`. Annotate a Rust function that returns "hello world". Use wasm-pack to compile it into a WASM library. Then set up a React app, copy the WASM package to the React source folder, and create a WASM loader. Update `App.js` to import the WASM module and call the Rust function. Start your React app, and you should see the "hello world" message from the WASM binary.

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