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This commit is contained in:
Aevann1 2022-02-16 04:15:17 +02:00
parent a69c5351fe
commit f3bb52e379
34 changed files with 3208 additions and 3185 deletions
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108
files/assets/js/lite-youtube.js
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@ -1,63 +1,63 @@
class LiteYTEmbed extends HTMLElement {
connectedCallback() {
this.videoId = this.getAttribute('videoid');
connectedCallback() {
this.videoId = this.getAttribute('videoid');
let playBtnEl = this.querySelector('.lty-playbtn');
this.playLabel = (playBtnEl && playBtnEl.textContent.trim()) || this.getAttribute('playlabel') || 'Play';
if (!this.style.backgroundImage) {
this.style.backgroundImage = `url("https://i.ytimg.com/vi/${this.videoId}/hqdefault.jpg")`;
}
if (!playBtnEl) {
playBtnEl = document.createElement('button');
playBtnEl.type = 'button';
playBtnEl.classList.add('lty-playbtn');
this.append(playBtnEl);
}
if (!playBtnEl.textContent) {
const playBtnLabelEl = document.createElement('span');
playBtnLabelEl.className = 'lyt-visually-hidden';
playBtnLabelEl.textContent = this.playLabel;
playBtnEl.append(playBtnLabelEl);
}
this.addEventListener('pointerover', LiteYTEmbed.warmConnections, {once: true});
this.addEventListener('click', this.addIframe);
}
static addPrefetch(kind, url, as) {
const linkEl = document.createElement('link');
linkEl.rel = kind;
linkEl.href = url;
if (as) {
linkEl.as = as;
}
document.head.append(linkEl);
}
static warmConnections() {
if (LiteYTEmbed.preconnected) return;
let playBtnEl = this.querySelector('.lty-playbtn');
this.playLabel = (playBtnEl && playBtnEl.textContent.trim()) || this.getAttribute('playlabel') || 'Play';
if (!this.style.backgroundImage) {
this.style.backgroundImage = `url("https://i.ytimg.com/vi/${this.videoId}/hqdefault.jpg")`;
}
if (!playBtnEl) {
playBtnEl = document.createElement('button');
playBtnEl.type = 'button';
playBtnEl.classList.add('lty-playbtn');
this.append(playBtnEl);
}
if (!playBtnEl.textContent) {
const playBtnLabelEl = document.createElement('span');
playBtnLabelEl.className = 'lyt-visually-hidden';
playBtnLabelEl.textContent = this.playLabel;
playBtnEl.append(playBtnLabelEl);
}
this.addEventListener('pointerover', LiteYTEmbed.warmConnections, {once: true});
this.addEventListener('click', this.addIframe);
}
static addPrefetch(kind, url, as) {
const linkEl = document.createElement('link');
linkEl.rel = kind;
linkEl.href = url;
if (as) {
linkEl.as = as;
}
document.head.append(linkEl);
}
static warmConnections() {
if (LiteYTEmbed.preconnected) return;
LiteYTEmbed.addPrefetch('preconnect', 'https://www.youtube-nocookie.com');
LiteYTEmbed.addPrefetch('preconnect', 'https://www.google.com');
LiteYTEmbed.addPrefetch('preconnect', 'https://googleads.g.doubleclick.net');
LiteYTEmbed.addPrefetch('preconnect', 'https://static.doubleclick.net');
LiteYTEmbed.addPrefetch('preconnect', 'https://www.youtube-nocookie.com');
LiteYTEmbed.addPrefetch('preconnect', 'https://www.google.com');
LiteYTEmbed.addPrefetch('preconnect', 'https://googleads.g.doubleclick.net');
LiteYTEmbed.addPrefetch('preconnect', 'https://static.doubleclick.net');
LiteYTEmbed.preconnected = true;
}
LiteYTEmbed.preconnected = true;
}
addIframe() {
if (this.classList.contains('lyt-activated')) return;
this.classList.add('lyt-activated');
addIframe() {
if (this.classList.contains('lyt-activated')) return;
this.classList.add('lyt-activated');
const params = new URLSearchParams(this.getAttribute('params') || []);
params.append('autoplay', '1');
const params = new URLSearchParams(this.getAttribute('params') || []);
params.append('autoplay', '1');
const iframeEl = document.createElement('iframe');
iframeEl.width = 560;
iframeEl.height = 315;
iframeEl.title = this.playLabel;
iframeEl.allow = 'accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture';
iframeEl.allowFullscreen = true;
iframeEl.src = `https://www.youtube-nocookie.com/embed/${encodeURIComponent(this.videoId)}?${params.toString()}`;
this.append(iframeEl);
iframeEl.focus();
}
const iframeEl = document.createElement('iframe');
iframeEl.width = 560;
iframeEl.height = 315;
iframeEl.title = this.playLabel;
iframeEl.allow = 'accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture';
iframeEl.allowFullscreen = true;
iframeEl.src = `https://www.youtube-nocookie.com/embed/${encodeURIComponent(this.videoId)}?${params.toString()}`;
this.append(iframeEl);
iframeEl.focus();
}
}
customElements.define('lite-youtube', LiteYTEmbed);