redux-mori-reducer.js

import { hashMap, merge } from 'mori';
import { USER_LOADED } from './actions';

// note that our default state is an empty hashMap - but it can be initialised into any hashMap
export default function userReducer(state = hashMap(), action) {
  switch (action.type) {
    case USER_LOADED:
      return merge(state, action.user);
    default:
      return state;
  }
}