universal-middleware.js

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
    typeof define === 'function' && define.amd ? define(['exports'], factory) :
      (factory((global.middleware = global.middleware || {})));
}(this, (function (exports) {
  'use strict';

  /**
   * Middleware
   */
  const middleware = (actionTypes, actions, $) => {
    return store => next => action => {
      const returnValue = next(action);
      const state = store.getState();

      switch (action.type) {
        case actionTypes.FETCH_PUBLIC_REPOS: {
          $.getJSON(`https://api.github.com/search/repositories?q=language:javascript&per_page=10&page=${action.page}`)
            .done((data) => {
              store.dispatch(actions.receivePublicRepos(data.items));
            });

          break;
        }

        case actionTypes.FETCH_REPOS_NEXT_PAGE: {
          store.dispatch(actions.fetchPublicRepos());

          break;
        }

        ....
    }
  }

  exports.default = middleware;

  Object.defineProperty(exports, '__esModule', { value: true });

})));