const composedCreateStore = compose(
  applyMiddleware(
    thunkMiddleware, 
    dispatchIdMiddleware, 
    webWorkerMiddleware('/build/worker.js'),
    () => promiseMiddleware, 
    loggerMiddleware
  ),
  createStore
);

const redux = composedCreateStore(reducers, {});

redux.dispatch({
  type: "COMPUTE_DATA",
  payload: 10,
  meta: {
    background: true
  }
});

// Logged actions:
[
  {"type": "COMPUTE_DATA", "payload": 10, "meta": {"background": true, "id": "d1", "backgroundTaskId": "j2", "sequence": "begin"}},
  {"type": "COMPUTE_DATA", "payload": 20, "meta": {"background": false, "id": "d1", "backgroundTaskId": "j2", "sequence": "complete"}}
]