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Relocate the injected button to the h3 element (#37)

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Vladimir Pouzanov 2024-05-11 16:00:29 +01:00 committed by GitHub
parent ca15cc9c0b
commit c82e493628
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1 changed files with 21 additions and 7 deletions
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28
extension/script.js
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@ -135,12 +135,14 @@ function ensureTALinks() {
let titleContainerNodes = getTitleContainers();
for (let titleContainer of titleContainerNodes) {
if (titleContainer.hasTA) continue;
let parent = getNearestH3(titleContainer);
if (!parent) continue;
if (parent.hasTA) continue;
let videoButton = buildVideoButton(titleContainer);
if (videoButton == null) continue;
processTitle(titleContainer);
titleContainer.appendChild(videoButton);
titleContainer.hasTA = true;
processTitle(parent);
parent.appendChild(videoButton);
parent.hasTA = true;
}
}
ensureTALinks = throttled(ensureTALinks, 700);
@ -329,6 +331,8 @@ function getTitleContainers() {
}
function getVideoId(titleContainer) {
if (!titleContainer) return undefined;
let href = getNearestLink(titleContainer);
if (!href) return;
@ -394,6 +398,16 @@ function getNearestLink(element) {
return null;
}
function getNearestH3(element) {
for (let i = 0; i < 5 && element && element !== document; i++) {
if (element.tagName === 'H3') {
return element;
}
element = element.parentNode;
}
return null;
}
function processTitle(titleContainer) {
if (titleContainer.hasListener) return;
Object.assign(titleContainer.style, {
@ -439,9 +453,9 @@ function checkVideoExists(taButton) {
console.error(e);
}
let videoId = taButton.dataset.id;
if (taButton.parentElement) {
videoId = getVideoId(taButton.parentElement);
let aElem = taButton?.parentElement?.querySelector('a');
let videoId = getVideoId(aElem);;
if (aElem) {
taButton.setAttribute('data-id', videoId);
taButton.setAttribute('data-type', 'video');
taButton.title = `TA download video: ${taButton.parentElement.innerText} [${videoId}]`;