The WebRacket language is a subset of Racket that compiles to WebAssembly - soegaard/webracket

Hacker News is a community-driven platform for sharing and discussing technology news, startups, and programming-related topics. Through user submissions and comments, Hacker News offers insights into emerging technology trends, industry developments, and entrepreneurial ventures. Readers can participate in discussions, share their insights, and stay informed about the latest advancements in technology and innovation.

Hacker News

WebRacket is a compiler that translates a subset of Racket to WebAssembly for browser and terminal execution. It supports most Racket data types (fixnums, flonums, hash tables, structures), tail calls, multiple values, and exceptions, but lacks continuations, modules, and multi-threading. A JavaScript FFI enables DOM, Canvas, MathJax, XTermJS, and JSXGraph integration. The compiler uses the standard Racket expander with a NanoPass-based middle-end and generates folded WebAssembly S-expressions. Examples include a MathJax editor, Matrix rain effect, Scheme REPL, pict library port, and Space Invaders game. Future plans include module support via linklets, complex numbers, bignums, and potentially continuations through CPS transformation.

soegaard/webracket: The WebRacket language is a subset of Racket that compiles to WebAssembly

Overview of the supported language subset