work-runner.js

class WorkRunner {
  constructor(fork, { actionCreator, messageCreator }) {
    this.fork = fork;
    this.actionCreator = actionCreator;
    this.messageCreator = messageCreator;

    this.fork.on("message", this.actionCreator);
  }

  send(msg) {
    fork.send(this.messageCreator(msg));
  }
}

const myOtherWorker = new WorkRunner(fork('./my-other-script.js'), {
  messageCreator: sentMessage => {
    const { someInforamtionICantPassToSendMethod } = store.getState()
    return { sentMessage, someInformationICantPassToSendMethod }
  },
  actionCreator: returnedMessage => {
    store.dispatch({ type: MY_OTHER_SCRIPT, returnedMessage })
  }
})

const myWorker = new WorkRunner(fork("./my-script.js"), {
  messageCreator: sentMessage => ({ sentMessage }),
  actionCreator: returnedMessage => {
    store.dispatch({ type: MY_SCRIPT_ACTION, returnedMessage });
    const { someInformationReducedAWhileAgo } = store.getState()
    myOtherWorker.send('RUN THIS IN RESPONSE ' + someInformationReducedAWhileAgo)
  }
});

myWorker.send("RUN");