working.js

function addSimpleDispatch(thunk) {
  return ({ dispatch, getState }) => {
    function simpleDispatch(type, payload) {
      if (typeof type === 'string') {
        return dispatch({ type, payload });
      } else {
        return dispatch(type);
      }
    }

    return thunk({ dispatch: simpleDispatch, getState });
  };
}

const finalCreateStore = compose(
  applyMiddleware(addSimpleDispatch(thunkMiddleware)),
  batchedUpdates,
  createStore
);