Question 1

How to reduce Rust WebAssembly binary size for web apps?

Accepted Answer

Use tools listed like wasm-opt for optimization and wasm-snip to remove panic infrastructure, plus twiggy for profiling code size. Combining these with wee_alloc for memory management can significantly shrink binaries, as noted in the Optimizing and Size Profiling sections.

Question 2

Best Rust library for WebAssembly and DOM interaction?

Accepted Answer

wasm-bindgen is the go-to choice, enabling high-level JavaScript and DOM interoperability, while js-sys provides raw imports. The list highlights these in the Interfacing with JavaScript section for seamless integration.

Question 3

Rust WebAssembly tools vs Emscripten for performance?

Accepted Answer

Rust tools like wasm-pack and wasm-opt focus on native WebAssembly compilation without Emscripten's overhead, offering smaller binaries and better integration with modern bundlers. However, Emscripten may support more legacy C/C++ codebases, as hinted by the polyfilling wasm2js tool.

Question 4

How to integrate Rust WebAssembly with a Webpack project?

Accepted Answer

Use plugins like wasm-pack-plugin or rust-native-wasm-loader listed in the JavaScript Toolchains section. These handle compilation and bundling, but require additional configuration compared to out-of-the-box JavaScript setups.

Question 5

What are the best Rust WebAssembly runtimes for servers?

Accepted Answer

wasmtime and wasmer are top choices for server-side execution, offering JIT compilation and interpreter modes. The list compares them in the Interpreting and Compiling section, but lacks benchmarks for specific use cases.

Question 6

Tutorials for beginners in Rust and WebAssembly?

Accepted Answer

Start with the official Rust and WebAssembly Book linked in Resources, then explore tools like wasm-pack from the list. However, the directory itself doesn't provide step-by-step guides, so supplementary learning is needed.

Question 7

Is Rust WebAssembly good for game development?

Accepted Answer

Yes, libraries like gate for 2D games are listed, but the ecosystem is younger than alternatives like Unity or WebGL-focused tools. Performance benefits exist, but tooling and community resources are more limited.

Awesome Rust and WebAssembly

What is Awesome Rust and WebAssembly?

Overview

Use Cases

Best For

Related Projects

Found a gem we're missing?

Not Ideal For

Pros & Cons

Pros

Cons

Frequently Asked Questions