Auth.js

modules.define('auth', ['store', 'server-store'],
(provide, store, server) => {
  const SET_TOKEN = 'AUTH/SET_TOKEN';
  const SET_USER_DATA = 'AUTH/SET_USER_DATA';
  const DESTROY = 'AUTH/DESTROY';

  /**
   * Редьюсер для аутентификации пользователя
   * @param  {object} state - prevent state
   * @param  {object} action - action
   * @return {object} new auth state
   */
  function authReducer(state = {}, action) {
    switch (action.type) {
      case SET_TOKEN:
        return Object.assign({}, state, action.payload);
      case SET_USER_DATA:
        return Object.assign({}, state, action.payload);
      case DESTROY:
        return {};
      default:
        return state;
    }
  }

  store.injectAsyncReducer('auth', authReducer);

  /**
   * @exports API
   */
  provide({
    login: data => {
      server.load('userToken', {body: data})
      .then(tokenData => {
        store.dispatch({type: SET_TOKEN, payload: {token: tokenData.token}});
        return server.load('userData', {token: tokenData.token});
      })
      .then(userData => {
        store.dispatch({type: SET_USER_DATA, payload: {user: userData}});
      })
      .catch(err => {
        console.error(err);
      });
    },

    logout: () => {
      store.dispatch({type: DESTROY});
    },

    isAuth: () => {
      const state = store.getState();
      if (state.auth && state.auth.user) {
        return true;
      }
      return false;
    }
  });
});