text: import { combineReducers } from 'redux'
  import { routerReducer as router } from 'react-router-redux'
  
  export const reducers = (asyncReducers) => {
    return combineReducers({
      // Add sync reducers here
      router,
      ...asyncReducers })
  }
  
  export const injectReducer = (store, { key, reducer }) => {
    store.asyncReducers[key] = reducer
    store.replaceReducer(reducers(store.asyncReducers))
  }
  
  export default reducers
  