script.js

//rgister service worker
if ("serviceWorker" in navigator) {
    navigator.serviceWorker.register("service-worker.js").then(registration => {
        console.log("Service worker registered")
        console.log(registration);
    }).catch(error => {
        console.log("Service worker error")
        console.log(error);
    })
}
else {
    alert("Service worker not working")
}

// Initialize deferredPrompt for use later to show browser install prompt.
let deferredPrompt;

window.addEventListener('beforeinstallprompt', (e) => {
    // Prevent the mini-infobar from appearing on mobile
    e.preventDefault();
    // Stash the event so it can be triggered later.
    deferredPrompt = e;
    // Optionally, send analytics event that PWA install promo was shown.
    //console.log(`'beforeinstallprompt' event was fired.`);
});


//show install dialog


const install = document.getElementById('install')

install.addEventListener('click', async () => {
    // Show the install prompt
    deferredPrompt.prompt();
    // Wait for the user to respond to the prompt
    const { outcome } = await deferredPrompt.userChoice;
    // Optionally, send analytics event with outcome of user choice
    // console.log(`User response to the install prompt: ${outcome}`);
    // We've used the prompt, and can't use it again, throw it away
    deferredPrompt = null;
});