web/assets/js/pwa/app.js

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---
layout: compress
permalink: '/app.js'
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---
const $notification = $('#notification');
const $btnRefresh = $('#notification .toast-body>button');
if ('serviceWorker' in navigator) {
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/* Registering Service Worker */
navigator.serviceWorker.register('{{ "/sw.js" | relative_url }}')
.then(registration => {
/* in case the user ignores the notification */
if (registration.waiting) {
$notification.toast('show');
}
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registration.addEventListener('updatefound', () => {
registration.installing.addEventListener('statechange', () => {
if (registration.waiting) {
if (navigator.serviceWorker.controller) {
$notification.toast('show');
}
}
});
});
$btnRefresh.click(() => {
if (registration.waiting) {
registration.waiting.postMessage('SKIP_WAITING');
}
$notification.toast('hide');
});
});
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let refreshing = false;
/* Detect controller change and refresh all the opened tabs */
navigator.serviceWorker.addEventListener('controllerchange', () => {
if (!refreshing) {
window.location.reload();
refreshing = true;
}
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});
}
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