typical_thunk_action.js

export const getFacilityInfo = idList => async (dispatch, getState) => {
  // 0
  const facilityById = selectors.getFacilityById(getState());
  
  const facilityIdList = idList || facilityById.keys;
  if (facilityIdList.length === 0) {
    return;
  }

  let data;

  try {
    data = await api.facilityGet(...facilityIdList);
  } catch (ex) {
    // 2
    return;
  }

  if (data.error) {
    // 3
    console.log('facilityGet error', data.error); // eslint-disable-line
  } else {
    // 1
    const updatedFacilityById = normalizeFacilityData(facilityById, data);
    // 1.1
    await asyncActions.resetSomeHalfOfAppData();
    // 1.2
    dispatch(plainActions.mergeFacilityById(updatedFacilityById));
  }
};