import $ from 'jquery'; import isOnline from '../utils/offline'; const offlineElement = $('#offline-status'); $(window).on('offline', () => { offlineElement.slideDown(); }); $(window).on('online', () => { offlineElement.slideUp(); }); $(document).ready(() => { if (!isOnline) { offlineElement.slideDown(); } }); // assume online if can't check export default typeof global.navigator.onLine !== 'undefined' ? global.navigator.onLine : true;