58 lines
1.6 KiB
JavaScript
58 lines
1.6 KiB
JavaScript
/* PWA loader */
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if ('serviceWorker' in navigator) {
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const meta = document.querySelector('meta[name="pwa-cache"]');
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const isEnabled = meta.content === 'true';
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if (isEnabled) {
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let swUrl = '/sw.min.js';
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const baseUrl = meta.getAttribute('data-baseurl');
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if (baseUrl !== null) {
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swUrl = `${baseUrl}${swUrl}?baseurl=${encodeURIComponent(baseUrl)}`;
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}
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const $notification = $('#notification');
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const $btnRefresh = $('#notification .toast-body>button');
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navigator.serviceWorker.register(swUrl).then((registration) => {
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// In case the user ignores the notification
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if (registration.waiting) {
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$notification.toast('show');
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}
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registration.addEventListener('updatefound', () => {
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registration.installing.addEventListener('statechange', () => {
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if (registration.waiting) {
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if (navigator.serviceWorker.controller) {
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$notification.toast('show');
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}
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}
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});
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});
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$btnRefresh.on('click', () => {
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if (registration.waiting) {
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registration.waiting.postMessage('SKIP_WAITING');
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}
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$notification.toast('hide');
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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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} else {
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navigator.serviceWorker.getRegistrations().then(function (registrations) {
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for (let registration of registrations) {
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registration.unregister();
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}
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});
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}
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}
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