import { AppState, ThunkAction } from './example.store';
import { FETCH, FetchAction } from './example.action-types';

const fetch = (): FetchAction => ({
  type: FETCH,
  payload: api.list(), // `api.list` is `() => Promise<ApiResult>`
});

export const fetchFoo = (): ThunkAction<void> =>
  (dispatch, getState) => {
    if (...) {
        dispatch(fetch()).then(({ value }) => {
          // value is ApiResult
        });
    }
  };