https://www.yalovaguncel.com/wp-content/themes/kanews/assets/js/pwa.js?ver=9.3.1

1const installButton = document.getElementById('install-app');
2let beforeInstallPromptEvent
3window.addEventListener('beforeinstallprompt', function(e) {
4    e.preventDefault();
5    beforeInstallPromptEvent = e
6    installButton.style.display = 'block'
7    installButton.addEventListener('click', function() {
8        e.prompt();
9    });
10    installButton.hidden = false;
11
12    (function($) {
13        "use strict";
14                var data    = $('#kanews-install-app'),
15                        delay   = data.data('delay'),
16                        expired = data.data('expired'),
17                        cookie  = 'kan_install_app'
18        
19                if ( typeof CookieBox !== 'undefined' && CookieBox.isFirstVisit() ) {
20                    return;
21                }
22
23                if( ! Cookies.get(cookie) ) {
24                    Cookies.set(cookie, 'active')
25                }
26        
27                if( Cookies.get(cookie) == 'active' ) {
28                    var openInstall = function() {
29                        if (data.length && !data.parent().is('body')) {
30                            data.appendTo('body');
31                        }
32                        data.removeAttr('hidden').attr('aria-hidden', 'false').addClass('is-active');
33                        $('body').addClass('kan-modal-open');
34                    };
35                    setTimeout(function() {
36                        if (typeof window.requestIdleCallback === 'function') {
37                            window.requestIdleCallback(openInstall, { timeout: 4000 });
38                        } else {
39                            openInstall();
40                        }
41                    }, delay);
42                    data.find('.kanews-modal-close-btn').on('click', function(){
43                        Cookies.set(cookie, 'disable', {expires:expired});
44                    });
45                }
46            })(jQuery);
47});
48installButton.addEventListener('click', function() {
49    beforeInstallPromptEvent.prompt();
50});