index.js

/**
 * Automatically imports all the modules and exports as a single module object
**/
const requireModule = require.context('.', false,  /\.store\.js$/);
const modules = {};

requireModule.keys().forEach(filename => {
  // create the module name from fileName
  // remove the store.js extension
  const moduleName = filename.replace(/(\.\/|\.store\.js)/g, '');

  modules[moduleName] = requireModule(filename).default || requireModule(filename);
});

export default modules;