// Specifier should be resolved relative to current file const jsWorker = new Worker( import.meta.resolve("./sibling_worker.js"), { type: "module", name: "sibling" }, ); jsWorker.onerror = (_e) => { postMessage({ type: "error" }); }; jsWorker.onmessage = (e) => { postMessage({ type: "msg", text: e.data }); close(); }; onmessage = function (e) { jsWorker.postMessage(e.data); };