https://zuomod.com/wp-content/mu-plugins/helpers/wiz-hls-video.js?ver=64eab678

1/**
2 * Shared HLS playback for PDP product-image and Quick View (single place for init/teardown).
3 * Lazy-loads hls.js on first Chrome/Firefox play. Safari uses native HLS — never downloads hls.js.
4 * Stores instance on videoEl._hlsInstance.
5 */
6(function (global) {
7    'use strict';
8
9    var INSTANCE_KEY = '_hlsInstance';
10    var hlsLibPromise = null;
11
12    function getHlsCdnUrl() {
13        var cfg = global.wizHlsLib || {};
14        return cfg.url || '';
15    }
16
17    function loadHlsLib() {
18        if (typeof global.Hls !== 'undefined') {
19            return Promise.resolve();
20        }
21        if (!hlsLibPromise) {
22            hlsLibPromise = new Promise(function (resolve, reject) {
23                var cdnUrl = getHlsCdnUrl();
24                if (!cdnUrl) {
25                    reject(new Error('hls.js CDN URL not configured'));
26                    return;
27                }
28                var existing = document.querySelector('script[data-wiz-hls-lib="1"]');
29                if (existing) {
30                    existing.addEventListener('load', function () { resolve(); }, { once: true });
31                    existing.addEventListener('error', reject, { once: true });
32                    return;
33                }
34                var script = document.createElement('script');
35                script.src = cdnUrl;
36                script.defer = true;
37                script.setAttribute('data-wiz-hls-lib', '1');
38                script.onload = function () { resolve(); };
39                script.onerror = reject;
40                document.head.appendChild(script);
41            });
42        }
43        return hlsLibPromise;
44    }
45
46    function canUseNativeHls(videoEl) {
47        return !!(videoEl && videoEl.canPlayType && videoEl.canPlayType('application/vnd.apple.mpegurl'));
48    }
49
50    function playVideo(videoEl) {
51        void videoEl.play().catch(function () {});
52    }
53
54    function attachNative(videoEl, hlsSrc) {
55        if (videoEl.src !== hlsSrc) {
56            videoEl.src = hlsSrc;
57        }
58        playVideo(videoEl);
59    }
60
61    function attachHlsJs(videoEl, hlsSrc) {
62        if (videoEl[INSTANCE_KEY]) {
63            playVideo(videoEl);
64            return;
65        }
66        var hls = new global.Hls({ enableWorker: true });
67        hls.loadSource(hlsSrc);
68        hls.attachMedia(videoEl);
69        hls.on(global.Hls.Events.MANIFEST_PARSED, function () { playVideo(videoEl); });
70        videoEl[INSTANCE_KEY] = hls;
71    }
72
73    function initAndPlay(videoEl, hlsSrc) {
74        if (!videoEl || !hlsSrc) {
75            return Promise.resolve();
76        }
77        // Safari / iOS play HLS natively — skip downloading/parsing hls.js (large TBT cost).
78        if (canUseNativeHls(videoEl) && (typeof global.Hls === 'undefined' || !global.Hls.isSupported())) {
79            attachNative(videoEl, hlsSrc);
80            return Promise.resolve();
81        }
82        if (typeof global.Hls !== 'undefined' && global.Hls.isSupported()) {
83            attachHlsJs(videoEl, hlsSrc);
84            return Promise.resolve();
85        }
86        return loadHlsLib().then(function () {
87            if (typeof global.Hls !== 'undefined' && global.Hls.isSupported()) {
88                attachHlsJs(videoEl, hlsSrc);
89                return;
90            }
91            if (canUseNativeHls(videoEl)) {
92                attachNative(videoEl, hlsSrc);
93            }
94        });
95    }
96
97    function destroy(videoEl) {
98        if (!videoEl || !videoEl[INSTANCE_KEY]) {
99            return;
100        }
101        try {
102            videoEl[INSTANCE_KEY].destroy();
103        } catch (e) {}
104        videoEl[INSTANCE_KEY] = null;
105    }
106
107    /** Pause, destroy HLS, clear src — use when hiding the player (e.g. Quick View). */
108    function reset(videoEl) {
109        if (!videoEl) {
110            return;
111        }
112        try {
113            videoEl.pause();
114        } catch (e) {}
115        destroy(videoEl);
116        videoEl.removeAttribute('src');
117        videoEl.querySelectorAll('source').forEach(function (s) {
118            s.remove();
119        });
120        videoEl.load();
121    }
122
123    global.WizHlsVideo = {
124        ensureReady: loadHlsLib,
125        initAndPlay: initAndPlay,
126        destroy: destroy,
127        reset: reset
128    };
129})(typeof window !== 'undefined' ? window : this);