redux-sequence-action/src/index.js

redux sequnence action middleware

export default ({dispatch, getState}) => next => action => {
  if(!Array.isArray(action)) {
    return next(action);
  }

  return action.reduce( (result, currAction) => {
    return result.then(() => {
      if (!currAction) { return Promise.resolve(); }

      return Array.isArray(currAction) ?
        Promise.all(currAction.map(item => dispatch(item))) :
        dispatch(currAction);
    });
  }, Promise.resolve());
}