// beforeExit may schedule more work; exit runs once with process.exitCode.
let rounds = 0;
process.on("beforeExit", (code) => {
  console.log(`beforeExit ${code} ${rounds}`);
  if (rounds++ === 0) {
    setTimeout(() => {
      console.log("one more");
      process.exitCode = 3;
    }, 5);
  }
});
process.on("exit", (code) => console.log(`exit ${code} ${process.exitCode}`));
console.log("main");