zig-wasm

A sandbox for compiling Zig to WebAssembly and running it in the browser.

Features

• Two Zig modules compiled to WebAssembly (wasm32-freestanding) — a minimal JS bridge demo and a checkerboard pixel renderer
• Shared WebAssembly.Memory between JavaScript and Wasm modules via import_memory
• Animated checkerboard pattern rendered on an HTML5 Canvas using putImageData
• Native HTTP server written in Zig (using zap) to serve static files and Wasm binaries

Prerequisites

• Zig >= 0.14.0-dev.3460 (see build.zig.zon)
• A modern web browser with WebAssembly support

Build & Run

zig build       # builds checkerboard.wasm, root.wasm, and the server binary
zig build run   # launches the HTTP server on port 3000

Open http://localhost:3000. The page loads both Wasm modules and renders an animated checkerboard that cycles colors every 250ms.

Dependencies

• zap v0.9.0 — HTTP server library

License

MIT