const authMiddleware = (store) => (next) => (action) => {

  if (authActions.login.match(action)) {

    // Note: localStorage expects a string

    localStorage.setItem('isAuthenticated', 'true');

  } else if (authActions.logout.match(action)) {

    localStorage.setItem('isAuthenticated', 'false');

  }

  return next(action);

};