if ('serviceWorker' in navigator) { const isEnabled = 'true' === 'true'; if (isEnabled) { const swUrl = '/sw.min.js'; const $notification = $('#notification'); const $btnRefresh = $('#notification .toast-body>button'); navigator.serviceWorker.register(swUrl).then((registration) => { if (registration.waiting) { $notification.toast('show'); } registration.addEventListener('updatefound', () => { registration.installing.addEventListener('statechange', () => { if (registration.waiting) { if (navigator.serviceWorker.controller) { $notification.toast('show'); } } }); }); $btnRefresh.on('click', () => { if (registration.waiting) { registration.waiting.postMessage('SKIP_WAITING'); } $notification.toast('hide'); }); }); let refreshing = false; navigator.serviceWorker.addEventListener('controllerchange', () => { if (!refreshing) { window.location.reload(); refreshing = true; } }); } else { navigator.serviceWorker.getRegistrations().then(function (registrations) { for (let registration of registrations) { registration.unregister(); } }); } }