// An uncaught error in a worker: the parent's 'error' event, then 'exit' 1.
const { Worker, isMainThread } = require("node:worker_threads");

if (isMainThread) {
  const w = new Worker(__filename);
  w.on("message", (m) => console.log("message", m));
  w.on("error", (e) => {
    console.log("error", e.constructor.name, e.name, JSON.stringify(e.message), e.code, e instanceof Error);
    console.log("stack", e.stack.split("\n")[0], e.stack.includes("thread-error.cjs"));
  });
  w.on("exit", (code) => console.log("exit", code));
} else {
  require("node:worker_threads").parentPort.postMessage("before");
  setTimeout(() => {
    const e = new TypeError("bad thing");
    e.code = "E_BAD";
    throw e;
  }, 1);
}