564 lines
18 KiB
JavaScript
564 lines
18 KiB
JavaScript
/*
|
|
content script running on youtube.com
|
|
*/
|
|
|
|
'use strict';
|
|
|
|
const downloadIcon = `<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
|
|
viewBox="0 0 500 500" style="enable-background:new 0 0 500 500;" xml:space="preserve">
|
|
<style type="text/css">
|
|
.st0{display:none;}
|
|
.st1{display:inline;}
|
|
</style>
|
|
<g class="st0">
|
|
<g class="st1">
|
|
<g>
|
|
<rect x="49.8" y="437.8" width="400.4" height="32.4"/>
|
|
</g>
|
|
<g>
|
|
<g>
|
|
<path d="M49.8,193c2-9.4,7.6-16.4,14.5-22.6c2.9-2.6,5.5-5.5,8.3-8.3c13.1-12.9,31.6-13,44.6,0c23,22.9,45.9,45.9,68.8,68.8
|
|
c0.7,0.7,1.5,1.4,2.5,2.4c1.1-1.1,2.2-2.1,3.3-3.1c63.4-63.4,126.8-126.8,190.2-190.2c10.7-10.7,24.6-13.3,37.1-6.7
|
|
c2.9,1.6,5.6,3.8,8.1,6c4.2,3.9,8.2,8.1,12.2,12.1c14.3,14.3,14.3,32.4,0.1,46.6c-20.2,20.3-40.5,40.5-60.8,60.8
|
|
C321,216.8,263.2,274.6,205.4,332.4c-11.2,11.2-22.4,11.2-33.6,0c-35.7-35.7-71.4-71.6-107.3-107.2
|
|
c-6.7-6.6-12.7-13.4-14.8-22.8C49.8,199.2,49.8,196.1,49.8,193z"/>
|
|
</g>
|
|
</g>
|
|
</g>
|
|
</g>
|
|
<g>
|
|
<rect x="237.9" y="313.5" transform="matrix(-1.836970e-16 1 -1 -1.836970e-16 708.0891 208.8956)" width="23.4" height="289.9"/>
|
|
<g>
|
|
<g>
|
|
<path d="M190.6,195.1c-21.7,0-42.5,0.1-63.4,0c-8.2,0-14.4,3-17.8,10.6c-3.5,7.9-1.3,14.6,4.5,20.7
|
|
c40.6,42.4,81,84.9,121.6,127.3c8.9,9.3,19.1,9.4,28,0.1c40.7-42.5,81.3-85.1,122-127.7c5.6-5.9,7.6-12.6,4.3-20.3
|
|
c-3.3-7.6-9.5-10.8-17.7-10.7c-19,0.1-38,0-57,0c-2,0-3.9,0-6.5,0c0-2.8,0-5,0-7.1c0-42.3,0.1-84.5,0-126.8
|
|
c0-19.4-12.1-31.3-31.5-31.4c-17.9-0.1-35.8,0-53.7,0c-21.2,0-32.7,11.6-32.7,32.9c0,41.7,0,83.4,0,125.1
|
|
C190.6,190,190.6,192.2,190.6,195.1z"/>
|
|
<path d="M190.6,195.1c0-2.9,0-5.1,0-7.3c0-41.7,0-83.4,0-125.1c0-21.3,11.5-32.9,32.7-32.9c17.9,0,35.8-0.1,53.7,0
|
|
c19.4,0.1,31.5,12,31.5,31.4c0.1,42.3,0,84.5,0,126.8c0,2.2,0,4.4,0,7.1c2.5,0,4.5,0,6.5,0c19,0,38,0.1,57,0
|
|
c8.2,0,14.4,3.1,17.7,10.7c3.4,7.6,1.3,14.4-4.3,20.3c-40.7,42.6-81.3,85.2-122,127.7c-8.8,9.2-19.1,9.2-28-0.1
|
|
c-40.5-42.4-81-84.9-121.6-127.3c-5.8-6.1-8-12.8-4.5-20.7c3.4-7.6,9.6-10.7,17.8-10.6C148.1,195.2,168.9,195.1,190.6,195.1z"/>
|
|
</g>
|
|
</g>
|
|
</g>
|
|
</svg>`;
|
|
|
|
const checkmarkIcon = `<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
|
|
viewBox="0 0 500 500" style="enable-background:new 0 0 500 500;" xml:space="preserve">
|
|
<style type="text/css">
|
|
.st0{display:none;}
|
|
.st1{display:inline;}
|
|
</style>
|
|
<g>
|
|
<g>
|
|
<g>
|
|
<rect x="49.8" y="437.8" width="400.4" height="32.4"/>
|
|
</g>
|
|
<g>
|
|
<g>
|
|
<path d="M49.8,193c2-9.4,7.6-16.4,14.5-22.6c2.9-2.6,5.5-5.5,8.3-8.3c13.1-12.9,31.6-13,44.6,0c23,22.9,45.9,45.9,68.8,68.8
|
|
c0.7,0.7,1.5,1.4,2.5,2.4c1.1-1.1,2.2-2.1,3.3-3.1c63.4-63.4,126.8-126.8,190.2-190.2c10.7-10.7,24.6-13.3,37.1-6.7
|
|
c2.9,1.6,5.6,3.8,8.1,6c4.2,3.9,8.2,8.1,12.2,12.1c14.3,14.3,14.3,32.4,0.1,46.6c-20.2,20.3-40.5,40.5-60.8,60.8
|
|
C321,216.8,263.2,274.6,205.4,332.4c-11.2,11.2-22.4,11.2-33.6,0c-35.7-35.7-71.4-71.6-107.3-107.2
|
|
c-6.7-6.6-12.7-13.4-14.8-22.8C49.8,199.2,49.8,196.1,49.8,193z"/>
|
|
</g>
|
|
</g>
|
|
</g>
|
|
</g>
|
|
<g class="st0">
|
|
|
|
<rect x="237.9" y="313.5" transform="matrix(-1.836970e-16 1 -1 -1.836970e-16 708.0891 208.8956)" class="st1" width="23.4" height="289.9"/>
|
|
<g class="st1">
|
|
<g>
|
|
<path d="M190.6,195.1c-21.7,0-42.5,0.1-63.4,0c-8.2,0-14.4,3-17.8,10.6c-3.5,7.9-1.3,14.6,4.5,20.7
|
|
c40.6,42.4,81,84.9,121.6,127.3c8.9,9.3,19.1,9.4,28,0.1c40.7-42.5,81.3-85.1,122-127.7c5.6-5.9,7.6-12.6,4.3-20.3
|
|
c-3.3-7.6-9.5-10.8-17.7-10.7c-19,0.1-38,0-57,0c-2,0-3.9,0-6.5,0c0-2.8,0-5,0-7.1c0-42.3,0.1-84.5,0-126.8
|
|
c0-19.4-12.1-31.3-31.5-31.4c-17.9-0.1-35.8,0-53.7,0c-21.2,0-32.7,11.6-32.7,32.9c0,41.7,0,83.4,0,125.1
|
|
C190.6,190,190.6,192.2,190.6,195.1z"/>
|
|
<path d="M190.6,195.1c0-2.9,0-5.1,0-7.3c0-41.7,0-83.4,0-125.1c0-21.3,11.5-32.9,32.7-32.9c17.9,0,35.8-0.1,53.7,0
|
|
c19.4,0.1,31.5,12,31.5,31.4c0.1,42.3,0,84.5,0,126.8c0,2.2,0,4.4,0,7.1c2.5,0,4.5,0,6.5,0c19,0,38,0.1,57,0
|
|
c8.2,0,14.4,3.1,17.7,10.7c3.4,7.6,1.3,14.4-4.3,20.3c-40.7,42.6-81.3,85.2-122,127.7c-8.8,9.2-19.1,9.2-28-0.1
|
|
c-40.5-42.4-81-84.9-121.6-127.3c-5.8-6.1-8-12.8-4.5-20.7c3.4-7.6,9.6-10.7,17.8-10.6C148.1,195.2,168.9,195.1,190.6,195.1z"/>
|
|
</g>
|
|
</g>
|
|
</g>
|
|
</svg>`;
|
|
|
|
const defaultIcon = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><title>minus-thick</title><path d="M20 14H4V10H20" /></svg>`;
|
|
|
|
let browserType = getBrowser();
|
|
|
|
// boilerplate to dedect browser type api
|
|
function getBrowser() {
|
|
if (typeof chrome !== 'undefined') {
|
|
if (typeof browser !== 'undefined') {
|
|
console.log('detected firefox');
|
|
return browser;
|
|
} else {
|
|
console.log('detected chrome');
|
|
return chrome;
|
|
}
|
|
} else {
|
|
console.log('failed to dedect browser');
|
|
throw 'browser detection error';
|
|
}
|
|
}
|
|
|
|
function getChannelContainers() {
|
|
const elements = document.querySelectorAll('.yt-flexible-actions-view-model-wiz, #owner');
|
|
const channelContainerNodes = [];
|
|
|
|
elements.forEach(element => {
|
|
if (isElementVisible(element)) {
|
|
channelContainerNodes.push(element);
|
|
}
|
|
});
|
|
|
|
return channelContainerNodes;
|
|
}
|
|
|
|
function isElementVisible(element) {
|
|
return element.offsetWidth > 0 || element.offsetHeight > 0 || element.getClientRects().length > 0;
|
|
}
|
|
|
|
function ensureTALinks() {
|
|
let channelContainerNodes = getChannelContainers();
|
|
|
|
for (let channelContainer of channelContainerNodes) {
|
|
channelContainer = adjustOwner(channelContainer);
|
|
if (channelContainer.hasTA) continue;
|
|
let channelButton = buildChannelButton(channelContainer);
|
|
channelContainer.appendChild(channelButton);
|
|
channelContainer.hasTA = true;
|
|
}
|
|
|
|
let titleContainerNodes = getTitleContainers();
|
|
for (let titleContainer of titleContainerNodes) {
|
|
if (titleContainer.hasTA) continue;
|
|
let videoButton = buildVideoButton(titleContainer);
|
|
if (videoButton == null) continue;
|
|
processTitle(titleContainer);
|
|
titleContainer.appendChild(videoButton);
|
|
titleContainer.hasTA = true;
|
|
}
|
|
}
|
|
ensureTALinks = throttled(ensureTALinks, 700);
|
|
|
|
function adjustOwner(channelContainer) {
|
|
return channelContainer.querySelector('#buttons') || channelContainer;
|
|
}
|
|
|
|
function buildChannelButton(channelContainer) {
|
|
let channelHandle = getChannelHandle(channelContainer);
|
|
channelContainer.taDerivedHandle = channelHandle;
|
|
|
|
let buttonDiv = buildChannelButtonDiv();
|
|
|
|
let channelSubButton = buildChannelSubButton(channelHandle);
|
|
buttonDiv.appendChild(channelSubButton);
|
|
channelContainer.taSubButton = channelSubButton;
|
|
|
|
let spacer = buildSpacer();
|
|
buttonDiv.appendChild(spacer);
|
|
|
|
let channelDownloadButton = buildChannelDownloadButton();
|
|
buttonDiv.appendChild(channelDownloadButton);
|
|
channelContainer.taDownloadButton = channelDownloadButton;
|
|
|
|
if (!channelContainer.taObserver) {
|
|
function updateButtonsIfNecessary() {
|
|
let newHandle = getChannelHandle(channelContainer);
|
|
if (channelContainer.taDerivedHandle === newHandle) return;
|
|
console.log(`updating handle from ${channelContainer.taDerivedHandle} to ${newHandle}`);
|
|
channelContainer.taDerivedHandle = newHandle;
|
|
let channelSubButton = buildChannelSubButton(newHandle);
|
|
channelContainer.taSubButton.replaceWith(channelSubButton);
|
|
channelContainer.taSubButton = channelSubButton;
|
|
|
|
let channelDownloadButton = buildChannelDownloadButton();
|
|
channelContainer.taDownloadButton.replaceWith(channelDownloadButton);
|
|
channelContainer.taDownloadButton = channelDownloadButton;
|
|
}
|
|
channelContainer.taObserver = new MutationObserver(throttled(updateButtonsIfNecessary, 100));
|
|
channelContainer.taObserver.observe(channelContainer, {
|
|
attributes: true,
|
|
childList: true,
|
|
subtree: true,
|
|
});
|
|
}
|
|
|
|
return buttonDiv;
|
|
}
|
|
|
|
function getChannelHandle(channelContainer) {
|
|
let channelHandle;
|
|
const videoOwnerRenderer = channelContainer.querySelector('.ytd-video-owner-renderer');
|
|
|
|
if (!videoOwnerRenderer) {
|
|
const channelHandleContainer = document.querySelector(
|
|
'.yt-content-metadata-view-model-wiz__metadata-text'
|
|
);
|
|
channelHandle = channelHandleContainer ? channelHandleContainer.innerText : null;
|
|
} else {
|
|
const href = videoOwnerRenderer.href;
|
|
if (href) {
|
|
const urlObj = new URL(href);
|
|
channelHandle = urlObj.pathname.split('/')[1];
|
|
}
|
|
}
|
|
|
|
return channelHandle;
|
|
}
|
|
|
|
function buildChannelButtonDiv() {
|
|
let buttonDiv = document.createElement('div');
|
|
buttonDiv.classList.add('ta-channel-button');
|
|
Object.assign(buttonDiv.style, {
|
|
display: 'flex',
|
|
alignItems: 'center',
|
|
backgroundColor: '#00202f',
|
|
color: '#fff',
|
|
fontSize: '14px',
|
|
padding: '5px',
|
|
'margin-left': '8px',
|
|
borderRadius: '18px',
|
|
});
|
|
return buttonDiv;
|
|
}
|
|
|
|
function buildChannelSubButton(channelHandle) {
|
|
let channelSubButton = document.createElement('span');
|
|
channelSubButton.innerText = 'Checking...';
|
|
channelSubButton.title = `TA Subscribe: ${channelHandle}`;
|
|
channelSubButton.setAttribute('data-id', channelHandle);
|
|
channelSubButton.setAttribute('data-type', 'channel');
|
|
|
|
channelSubButton.addEventListener('click', e => {
|
|
e.preventDefault();
|
|
if (channelSubButton.innerText === 'Subscribe') {
|
|
console.log(`subscribe to: ${channelHandle}`);
|
|
sendUrl(channelHandle, 'subscribe', channelSubButton);
|
|
} else if (channelSubButton.innerText === 'Unsubscribe') {
|
|
console.log(`unsubscribe from: ${channelHandle}`);
|
|
sendUrl(channelHandle, 'unsubscribe', channelSubButton);
|
|
} else {
|
|
console.log('Unknown state');
|
|
}
|
|
});
|
|
Object.assign(channelSubButton.style, {
|
|
padding: '5px',
|
|
cursor: 'pointer',
|
|
});
|
|
checkChannelSubscribed(channelSubButton);
|
|
|
|
return channelSubButton;
|
|
}
|
|
|
|
function checkChannelSubscribed(channelSubButton) {
|
|
function handleResponse(message) {
|
|
if (!message || (typeof message === 'object' && message.channel_subscribed === false)) {
|
|
channelSubButton.innerText = 'Subscribe';
|
|
} else if (typeof message === 'object' && message.channel_subscribed === true) {
|
|
channelSubButton.innerText = 'Unsubscribe';
|
|
} else {
|
|
console.log('Unknown state');
|
|
}
|
|
}
|
|
function handleError(e) {
|
|
buttonError(channelSubButton);
|
|
channelSubButton.innerText = 'Error';
|
|
console.error('error', e);
|
|
}
|
|
|
|
let channelHandle = channelSubButton.dataset.id;
|
|
let message = { type: 'getChannel', channelHandle };
|
|
let sending = sendMessage(message);
|
|
sending.then(handleResponse, handleError);
|
|
}
|
|
|
|
function buildSpacer() {
|
|
let spacer = document.createElement('span');
|
|
spacer.innerText = '|';
|
|
|
|
return spacer;
|
|
}
|
|
|
|
function buildChannelDownloadButton() {
|
|
let channelDownloadButton = document.createElement('span');
|
|
let currentLocation = window.location.href;
|
|
let urlObj = new URL(currentLocation);
|
|
|
|
if (urlObj.pathname.startsWith('/watch')) {
|
|
let params = new URLSearchParams(document.location.search);
|
|
let videoId = params.get('v');
|
|
channelDownloadButton.setAttribute('data-type', 'video');
|
|
channelDownloadButton.setAttribute('data-id', videoId);
|
|
channelDownloadButton.title = `TA download video: ${videoId}`;
|
|
checkVideoExists(channelDownloadButton);
|
|
} else {
|
|
channelDownloadButton.setAttribute('data-id', currentLocation);
|
|
channelDownloadButton.setAttribute('data-type', 'channel');
|
|
channelDownloadButton.title = `TA download channel ${currentLocation}`;
|
|
}
|
|
channelDownloadButton.innerHTML = downloadIcon;
|
|
channelDownloadButton.addEventListener('click', e => {
|
|
e.preventDefault();
|
|
console.log(`download: ${currentLocation}`);
|
|
sendDownload(channelDownloadButton);
|
|
});
|
|
Object.assign(channelDownloadButton.style, {
|
|
filter: 'invert()',
|
|
width: '20px',
|
|
padding: '0 5px',
|
|
cursor: 'pointer',
|
|
});
|
|
|
|
return channelDownloadButton;
|
|
}
|
|
|
|
function getTitleContainers() {
|
|
let elements = document.querySelectorAll('#video-title');
|
|
let videoNodes = [];
|
|
elements.forEach(element => {
|
|
if (isElementVisible(element)) {
|
|
videoNodes.push(element);
|
|
}
|
|
});
|
|
return elements;
|
|
}
|
|
|
|
function getVideoId(titleContainer) {
|
|
let href = getNearestLink(titleContainer);
|
|
if (!href) return;
|
|
|
|
let videoId;
|
|
if (href.startsWith('/watch?v')) {
|
|
let params = new URLSearchParams(href);
|
|
videoId = params.get('/watch?v');
|
|
} else if (href.startsWith('/shorts/')) {
|
|
videoId = href.split('/')[2];
|
|
}
|
|
return videoId;
|
|
}
|
|
|
|
function buildVideoButton(titleContainer) {
|
|
let videoId = getVideoId(titleContainer);
|
|
if (!videoId) return;
|
|
|
|
const dlButton = document.createElement('a');
|
|
dlButton.classList.add('ta-button');
|
|
dlButton.href = '#';
|
|
|
|
Object.assign(dlButton.style, {
|
|
display: 'flex',
|
|
alignItems: 'center',
|
|
justifyContent: 'center',
|
|
backgroundColor: '#00202f',
|
|
color: '#fff',
|
|
fontSize: '1.4rem',
|
|
textDecoration: 'none',
|
|
borderRadius: '8px',
|
|
cursor: 'pointer',
|
|
height: 'fit-content',
|
|
opacity: 0,
|
|
});
|
|
|
|
let dlIcon = document.createElement('span');
|
|
dlIcon.innerHTML = defaultIcon;
|
|
Object.assign(dlIcon.style, {
|
|
filter: 'invert()',
|
|
width: '15px',
|
|
height: '15px',
|
|
padding: '7px 8px',
|
|
});
|
|
|
|
dlButton.appendChild(dlIcon);
|
|
|
|
dlButton.addEventListener('click', e => {
|
|
e.preventDefault();
|
|
sendDownload(dlButton);
|
|
e.stopPropagation();
|
|
});
|
|
|
|
return dlButton;
|
|
}
|
|
|
|
function getNearestLink(element) {
|
|
for (let i = 0; i < 5 && element && element !== document; i++) {
|
|
if (element.tagName === 'A' && element.getAttribute('href') !== '#') {
|
|
return element.getAttribute('href');
|
|
}
|
|
element = element.parentNode;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function processTitle(titleContainer) {
|
|
if (titleContainer.hasListener) return;
|
|
Object.assign(titleContainer.style, {
|
|
display: 'flex',
|
|
gap: '15px',
|
|
});
|
|
|
|
titleContainer.classList.add('title-container');
|
|
titleContainer.addEventListener('mouseenter', () => {
|
|
const taButton = titleContainer.querySelector('.ta-button');
|
|
if (!taButton) return;
|
|
if (!taButton.isChecked) checkVideoExists(taButton);
|
|
taButton.style.opacity = 1;
|
|
});
|
|
|
|
titleContainer.addEventListener('mouseleave', () => {
|
|
const taButton = titleContainer.querySelector('.ta-button');
|
|
if (!taButton) return;
|
|
taButton.style.opacity = 0;
|
|
});
|
|
titleContainer.hasListener = true;
|
|
}
|
|
|
|
function checkVideoExists(taButton) {
|
|
function handleResponse(message) {
|
|
let buttonSpan = taButton.querySelector('span') || taButton;
|
|
if (message !== false) {
|
|
buttonSpan.innerHTML = checkmarkIcon;
|
|
buttonSpan.title = 'Open in TA';
|
|
buttonSpan.addEventListener('click', () => {
|
|
let win = window.open(message, '_blank');
|
|
win.focus();
|
|
});
|
|
} else {
|
|
buttonSpan.innerHTML = downloadIcon;
|
|
}
|
|
taButton.isChecked = true;
|
|
}
|
|
function handleError(e) {
|
|
buttonError(taButton);
|
|
let videoId = taButton.dataset.id;
|
|
console.log(`error: failed to get info from TA for video ${videoId}`);
|
|
console.error(e);
|
|
}
|
|
|
|
let videoId = taButton.dataset.id;
|
|
if (taButton.parentElement) {
|
|
videoId = getVideoId(taButton.parentElement);
|
|
taButton.setAttribute('data-id', videoId);
|
|
taButton.setAttribute('data-type', 'video');
|
|
taButton.title = `TA download video: ${taButton.parentElement.innerText} [${videoId}]`;
|
|
}
|
|
|
|
let message = { type: 'videoExists', videoId };
|
|
let sending = sendMessage(message);
|
|
sending.then(handleResponse, handleError);
|
|
}
|
|
|
|
function sendDownload(button) {
|
|
let url = button.dataset.id;
|
|
if (!url) return;
|
|
sendUrl(url, 'download', button);
|
|
}
|
|
|
|
function buttonError(button) {
|
|
let buttonSpan = button.querySelector('span');
|
|
if (buttonSpan === null) {
|
|
buttonSpan = button;
|
|
}
|
|
buttonSpan.style.filter =
|
|
'invert(19%) sepia(93%) saturate(7472%) hue-rotate(359deg) brightness(105%) contrast(113%)';
|
|
buttonSpan.style.color = 'red';
|
|
|
|
button.style.opacity = 1;
|
|
button.addEventListener('mouseout', () => {
|
|
Object.assign(button.style, {
|
|
opacity: 1,
|
|
});
|
|
});
|
|
}
|
|
|
|
function buttonSuccess(button) {
|
|
let buttonSpan = button.querySelector('span');
|
|
if (buttonSpan === null) {
|
|
buttonSpan = button;
|
|
}
|
|
if (buttonSpan.innerHTML === 'Subscribe') {
|
|
buttonSpan.innerHTML = 'Success';
|
|
setTimeout(() => {
|
|
buttonSpan.innerHTML = 'Unsubscribe';
|
|
}, 2000);
|
|
} else {
|
|
buttonSpan.innerHTML = checkmarkIcon;
|
|
}
|
|
}
|
|
|
|
function sendUrl(url, action, button) {
|
|
function handleResponse(message) {
|
|
console.log('sendUrl response: ' + JSON.stringify(message));
|
|
if (message === null || message.detail === 'Invalid token.') {
|
|
buttonError(button);
|
|
} else {
|
|
buttonSuccess(button);
|
|
}
|
|
}
|
|
|
|
function handleError(e) {
|
|
console.log('error', e);
|
|
buttonError(button);
|
|
}
|
|
|
|
let message = { type: action, url };
|
|
|
|
console.log('youtube link: ' + JSON.stringify(message));
|
|
|
|
let sending = sendMessage(message);
|
|
sending.then(handleResponse, handleError);
|
|
}
|
|
|
|
async function sendMessage(message) {
|
|
let { success, value } = await browserType.runtime.sendMessage(message);
|
|
if (!success) {
|
|
throw value;
|
|
}
|
|
return value;
|
|
}
|
|
|
|
function cleanButtons() {
|
|
console.log('trigger clean buttons');
|
|
document.querySelectorAll('.ta-button').forEach(button => {
|
|
button.parentElement.hasTA = false;
|
|
button.remove();
|
|
});
|
|
document.querySelectorAll('.ta-channel-button').forEach(button => {
|
|
button.parentElement.hasTA = false;
|
|
button.remove();
|
|
});
|
|
}
|
|
|
|
let oldHref = document.location.href;
|
|
|
|
function throttled(callback, time) {
|
|
let throttleBlock = false;
|
|
let lastArgs;
|
|
return (...args) => {
|
|
lastArgs = args;
|
|
if (throttleBlock) return;
|
|
throttleBlock = true;
|
|
setTimeout(() => {
|
|
throttleBlock = false;
|
|
callback(...lastArgs);
|
|
}, time);
|
|
};
|
|
}
|
|
|
|
let observer = new MutationObserver(list => {
|
|
const currentHref = document.location.href;
|
|
if (currentHref !== oldHref) {
|
|
cleanButtons();
|
|
oldHref = currentHref;
|
|
}
|
|
if (list.some(i => i.type === 'childList' && i.addedNodes.length > 0)) {
|
|
ensureTALinks();
|
|
}
|
|
});
|
|
|
|
observer.observe(document.body, { attributes: false, childList: true, subtree: true });
|