const divInstall = document.getElementById('installContainer'); const butInstall = document.getElementById('butInstall');

/* Only register a service worker if it's supported */ if ('serviceWorker' in navigator) {

navigator.serviceWorker.register('/assets/scripts/service-worker.js');

}

/**

* Warn the page must be served over HTTPS
* The `beforeinstallprompt` event won't fire if the page is served over HTTP.
* Installability requires a service worker with a fetch event handler, and
* if the page isn't served over HTTPS, the service worker won't load.
*/

if (window.location.protocol === 'http:') {

const requireHTTPS = document.getElementById('requireHTTPS');
if (requireHTTPS != null) {
  const link = requireHTTPS.querySelector('a');
  link.href = window.location.href.replace('http://', 'https://');
  requireHTTPS.classList.remove('hidden');
}

}