import ducksReducer from 'ducks-reducer'
import * as comments from './comments'
import * as posts from './posts'
import * as users from './users'
const reducer = ducksReducer({ comments, posts, users })
// ...do your stuff...
const store = createStore(reducer, preloadedState, enhancer)
// ...do your stuff...

const reducer = ducksReducer({ comments, posts, users })
// ^ this is equivalent to v
const reducer = combineReducers({
  comments: comments.default,
  posts: posts.default,
  users: users.default,
})

const reducer = ducksReducer({ comments, posts, users })
// ^ this is equivalent to v
const reducer = combineReducers({ comments, posts, users })

const reducer = ducksReducer({ comments, posts, users })
// ^ this is equivalent to v
const reducer = combineReducers({
  comments: comments.default, // it was es6 module
  posts: posts,               // it was es5 module
                              // users had no reducer
})

import ducksReducer from 'ducks-reducer'
import ducksMiddleware from 'ducks-middleware'
import * as comments from './comments'
import * as posts from './posts'
import * as users from './users'
const ducks = { comments, posts, users }
const reducer = ducksReducer(ducks)
const middleware = ducksMiddleware(ducks)
// ...do your stuff...
const store = createStore(
  reducer, 
  preloadedState, 
  applyMiddleware(middleware)
)
// ...do your stuff...