OpenWorkers Runtime JSC

JavaScriptCore-based JavaScript runtime for serverless workers, built on rusty_jsc.

Quick Start

use openworkers_runtime_jsc::{Worker, Script, Event};

let script = Script::new(r#"
    addEventListener('fetch', event => {
        event.respondWith(new Response('Hello!'));
    });
"#);

let mut worker = Worker::new(script, None).await?;

let (task, rx) = Event::fetch(request);
worker.exec(task).await?;
let response = rx.await?;

Features

• Streaming — ReadableStream with backpressure
• Web APIs — fetch, setTimeout, Response, Request, Headers, URL, console
• Async/await — Full Promise support
• Text encoding — TextEncoder, TextDecoder
• Base64 — atob, btoa

Web APIs

API	Status
console	✅
fetch	✅
setTimeout / setInterval	✅
Promise / queueMicrotask	✅
Request / Response / Headers	✅
ReadableStream	✅
URL / URLSearchParams	✅
TextEncoder / TextDecoder	✅
atob / btoa	✅
Crypto	❌
Blob / File / FormData	❌
AbortController	❌

See TODO.md for planned features.

Testing

cargo test

License

MIT