React Redux Action Creators with TypeScript - example 2

Store.ts

export const postPersonActionCreator: ActionCreator<
  ThunkAction<
    Promise<IPostedPersonAction>, // The type of the last action to be dispatched - will always be promise<T> for async actions
    IPostPersonResult,            // The type for the data within the last action
    IPostPerson,                  // The type of the parameter for the nested function 
    IPostedPersonAction           // The type of the last action to be dispatched
  >
> = (person: IPostPerson) => {
  return async (dispatch: Dispatch) => {
    const postingPersonAction: IPostingPersonAction = {
      type: 'PostingPerson',
    };
    dispatch(postingPersonAction);
    const result = await postPersonFromApi(person);
    const postPersonAction: IPostedPersonAction = {
      type: 'PostedPerson',
      result,
    };
    return dispatch(postPersonAction);
  };
};