Определяющее действие для redux-first-router

Question

Я намерен использовать redux-first-router для обработки параметра поискового запроса

Просматривая документацию, я интегрировал редуктор, промежуточное программное обеспечение и усилитель, как показано ниже. Если вы заметили, я запускаю действие fetchPage.started в onPageChange, При срабатывании fetchPage.startedДействие действительно достигает appReducer, но не до эпоса.

Невозможно определить недостающую часть.

import { combineReducers, applyMiddleware, compose, createStore } from 'redux';
import { createEpicMiddleware } from 'redux-observable';
import epic from './epics';
import createHistory from 'history/createBrowserHistory';
import { connectRoutes } from 'redux-first-router';
import queryString from 'query-string';

import { appState, appReducer, fetchPage } from './app/app';
import { LocationState } from 'redux-first-router';

export interface State {
  app: appState;
  location: LocationState<string, any>;
}

const history = createHistory();

const routesMap = {
  fetchPage: '/' // action <-> url path
};

const { reducer: routeReducer, middleware: routeMiddleware, enhancer: routeEnhancer } = connectRoutes(
  history,
  routesMap,
  {
    querySerializer: queryString,
    onAfterChange: (dispatch: Dispatch<any>, getState: StateGetter<any>) => {
  const state = getState();
  const query = state.location.query && state.location.query.search;
  dispatch(fetchPage.started({index: 0,
    pageSize: 10,
    sort: [],
    query }));
  }
});

function createReducer() {
  return combineReducers<State>({
    app: appReducer,
    location: routeReducer
  });
}

export default function configureStore(initialState: any) {
  const epicMiddleware = createEpicMiddleware();
  const middlewares = [epicMiddleware, routeMiddleware];
  const enhancers = compose(
    routeEnhancer,
    applyMiddleware(...middlewares)
  );
  const store = createStore(createReducer(), initialState, enhancers as any);
  epicMiddleware.run(epic);
  return store;
}