// The other realm of the transfer test (WAI browser-sink §8, §9.2 step 5): a frame posted here
// with its binding beside it is attached on arrival in this realm's side table; the worker
// says what it holds, then posts the frame back the same way.
import { SideTable, installFramePatches } from "../room/binding.js";

installFramePatches();
const table = new SideTable();

self.onmessage = (e) => {
  const { frame, binding } = e.data;
  table.transferIn(frame, binding || null);
  const held = SideTable.of(frame);
  const clone = frame.clone();
  const cloned = SideTable.of(clone);
  clone.close();
  const back = table.transferOut(frame);
  self.postMessage({ held: held ? held.binding : null, cloned: cloned ? cloned.binding : null, format: frame.format, frame, binding: back }, [frame]);
};