update list item in immutable list

Data.js

import {List, Map} from 'immutable';

import {ActionTypes} from '../constants/Constants';

const defaultState = new Map({
  dataList: new Map({
    currentAccount: '',
    currentPath: new List(),
    data: new List(),
    isLoading: false
  }),
  accountNames: new List()
});

function fetchDataList(state, action) {
  switch (action.type) {
    case ActionTypes.FETCH_DATA_LIST_DOING:
      return state.setIn(['dataList', 'isLoading'], true);
    case ActionTypes.FETCH_DATA_LIST_SUCCESS:
      return state.setIn(['dataList', 'isLoading'], false).
        setIn(['dataList', 'data'], action.dataList).
        setIn(['dataList', 'currentPath'], action.path).
        setIn(['dataList', 'currentAccount'], action.account);
    case ActionTypes.FETCH_DATA_LIST_FAILURE:
      return state.setIn(['dataList', 'isLoading'], false);
    default:
      return state;
  }
}

function fetchExternalAccountNames(state, action) {
  switch (action.type) {
    case ActionTypes.FETCH_EXTERNAL_ACCOUNTNAMES_SUCEESS:
      return state.set('accountNames', action.data);
    default:
      return state;
  }
}

function renameData(state, action) {
  switch (action.type) {
    case ActionTypes.RENAME_DATA_SUCCESS:
      return state.setIn(['dataList', 'data', state.getIn(['dataList', 'data'])
        .findKey((value) => value.get('entity_id') === action.entityId), 'name'], action.newName);
    default:
      return state;
  }
}

function data(state = defaultState, action) {
  switch (action.type) {
    case ActionTypes.FETCH_DATA_LIST_DOING:
    case ActionTypes.FETCH_DATA_LIST_SUCCESS:
    case ActionTypes.FETCH_DATA_LIST_FAILURE:
      return fetchDataList(state, action);
    case ActionTypes.FETCH_EXTERNAL_ACCOUNTNAMES_SUCEESS:
      return fetchExternalAccountNames(state, action);
    case ActionTypes.RENAME_DATA_DOING:
    case ActionTypes.RENAME_DATA_SUCCESS:
    case ActionTypes.RENAME_DATA_FAILURE:
      return renameData(state, action);
    default:
      return state;
  }
}

export default data;