text: import { combineReducers } from 'redux'
  import { routerReducer } from 'react-router-redux'
  import ui from './uiReducer'
  import user from './userReducer'
  import userCredentials from './userCredentialsReducer'
  import DOMTree from './DOMTreeReducer'
  
  const rootReducer = combineReducers({
    routing: routerReducer,
    user,
    userCredentials,
    ui,
    DOMTree
  })
  
  export default rootReducer
  