What version of Bun is running?

1.3.11-canary.1+9e93bfa1b

What platform is your computer?

Linux 5.10.0-12-amd64 x86_64 x86_64

What steps can reproduce the bug?

Hi,

I would like to report a behavior in Bun that can be reproduced using the below PoC:

1. main.mjs

const worker = new Worker(new URL('./worker.mjs', import.meta.url).href, { type: 'module' });

worker.onmessage = ({ data }) => {
  console.log('main got:', data);
};

worker.onerror = (e) => {
  console.error('worker error:', e.message || e);
};
setTimeout(() => {
  console.log('main done');
}, 1000);

2. worker.mjs

self.postMessage('message');
// Closing immediately after postMessage should just terminate the worker
self.close();

What is the expected behavior?

Bun workers are missing self.close() (standard API), causing runtime errors.
self.close() should be available in the worker global scope

root@KContainer:~/5334# deno run -A main.mjs
main got: message
main done

What do you see instead?

root@KContainer:~/5334# bun run main.mjs
main got: message
worker error: 1 | self.postMessage('message');
2 | // Closing immediately after postMessage should just terminate the worker
3 | self.close();
         ^
TypeError: self.close is not a function. (In 'self.close()', 'self.close' is undefined)
      at /5334/worker.mjs:3:6
      at loadAndEvaluateModule (2:1)

main done

Additional information

No response