next-ucap-messenger/projects/ucap-webmessenger-app/src/app/store/messenger/query/reducers.ts

import { createReducer, on } from '@ngrx/store';
import { initialState } from './state';
import { authSuccess, deptSuccess } from './actions';

export const reducer = createReducer(
  initialState,
  on(authSuccess, (state, action) => {
    return {
      ...state,
      auth: action.res
    };
  }),

  on(deptSuccess, (state, action) => {
    return {
      ...state,
      departmentInfoList: action.departmentInfoList
    };
  })
);