Spawn worker abstraction

worker.example.js

function spawnWorker(func) {
  const response = `self.onmessage = () => postMessage(
    (${func.toString()})()
  )`;

  const blob = new Blob([response], {type: 'application/javascript'});
  const worker = new Worker(URL.createObjectURL(blob));

  worker.onmessage = function (e) {
    const data = e.data;
    console.log(data);
  };
  worker.run = () => worker.postMessage('start');
  return worker;
}

const worker = spawnWorker(() => console.log('Hello')));
worker.run();