malgo-brat-frontend-editor/examples/react-redux-starter-kit-master/src/store/reducers.js

"BRAT Editor standalone frontend library"

import { combineReducers } from 'redux'

export const makeRootReducer = (asyncReducers) => {
  return combineReducers({
    ...asyncReducers
  })
}

export const injectReducer = (store, { key, reducer }) => {
  store.asyncReducers[key] = reducer
  store.replaceReducer(makeRootReducer(store.asyncReducers))
}

export default makeRootReducer