I couldn't resist extracting that Rust Mermaid rendering code out and compiling it to WebAssembly so you can try it out directly in a browser tools.simonwillison.net/grok…
Simon Willison extracted Rust-based Mermaid rendering code and compiled it to…
Brief
Simon Willison published a browser-ready demo of Rust Mermaid rendering by extracting the rendering code and compiling it to WebAssembly. Posted on 2026-07-16, the demo is available at tools.simonwillison.net/grok, letting users try Mermaid diagram rendering directly in their browser without native compilation.
Why it matters
Simon Willison extracted Rust-based Mermaid rendering code and compiled it to WebAssembly so it runs in the browser.
Key details
- The demo is hosted at tools.simonwillison.net/grok and was posted on 2026-07-16 for direct in-browser testing.