60 lines
1.7 KiB
JavaScript
60 lines
1.7 KiB
JavaScript
---
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layout: compress
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permalink: '/app.js'
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---
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const keyWaiting = 'sw-waiting';
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const $notification = $('#notification');
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const $btnRefresh = $('#notification .toast-body>button');
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function skipWating(registration) {
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registration.waiting.postMessage('SKIP_WAITING');
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localStorage.removeItem(keyWaiting);
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}
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if ('serviceWorker' in navigator) {
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/* Registering Service Worker */
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navigator.serviceWorker.register('{{ "/sw.js" | relative_url }}')
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.then(registration => {
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if (registration) {
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registration.addEventListener('updatefound', () => {
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let serviceWorker = registration.installing;
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serviceWorker.addEventListener('statechange', () => {
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if (serviceWorker.state === 'installed') {
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if (navigator.serviceWorker.controller) {
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$notification.toast('show');
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/* in case the user ignores the notification */
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localStorage.setItem(keyWaiting, true);
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}
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}
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});
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});
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$btnRefresh.click(() => {
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skipWating(registration);
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$notification.toast('hide');
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});
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if (localStorage.getItem(keyWaiting)) {
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if (registration.waiting) {
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/* there's a new Service Worker waiting to be activated */
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$notification.toast('show');
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} else {
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/* closed all open pages after receiving notification */
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localStorage.removeItem(keyWaiting);
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}
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}
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}
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});
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let refreshing = false;
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/* Detect controller change and refresh all the opened tabs */
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navigator.serviceWorker.addEventListener('controllerchange', () => {
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if (!refreshing) {
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window.location.reload();
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refreshing = true;
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}
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});
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}
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