Adds a 'Copy Channel ID' button to the top of YouTube channels.
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// ==UserScript==
// @name Copy YouTube Channel ID
// @description Adds a 'Copy Channel ID' button to the top of YouTube channels.
// @version 1.1
// @match https://*.youtube.com/@*
// @match https://www.youtube.com/@*
// @match https://youtube.com/@*
// @match https://www.youtube.com/@
// @match https://www.youtube.com/c/*
// @grant GM_setClipboard
// @grant GM_registerMenuCommand
// @icon https://www.google.com/s2/favicons?domain=youtube.com
// @namespace https://github.com/Vandekieft/MonkeyScripts/
// @license MIT
// ==/UserScript==
// Define a function to copy the channel ID to the clipboard
function copyChannelId() {
var justTheId = getChannelId();
var textarea = document.createElement("textarea");
textarea.value = justTheId;
document.body.appendChild(textarea);
textarea.select();
var range = document.createRange();
range.selectNodeContents(textarea);
var selection = window.getSelection();
selection.removeAllRanges();
selection.addRange(range);
document.execCommand("copy");
selection.removeAllRanges(); // Clear the current selection
document.body.removeChild(textarea); // Remove the temporary textarea element
}
// Define a function to copy the channel URL to the clipboard
function copyChannelUrl() {
var justTheId = getChannelId();
var channelUrl = "http://www.youtube.com/channel/" + justTheId;
// Copy the URL to the clipboard
GM_setClipboard(channelUrl);
}
// Register a menu command to copy the channel URL
GM_registerMenuCommand("Copy Channel URL", copyChannelUrl);
// Define a function to redirect to the channel URL
function redirectToChannel() {
var justTheId = getChannelId();
if (justTheId) {
window.location.replace("http://www.youtube.com/channel/" + justTheId);
}
}
// Register a menu command to redirect to the channel URL
GM_registerMenuCommand("Go to Channel URL", redirectToChannel);
// Register a function to get the channel ID
function getChannelId() {
var channelUrl = window.location.href;
var justTheId;
if (channelUrl.indexOf("youtube.com/channel/") !== -1) {
// Extract the channel ID from the channel URL
justTheId = channelUrl.slice(channelUrl.indexOf("youtube.com/channel/") + 20);
} else {
// Parse the HTML to extract the channel ID
var entirePage = document.getElementsByTagName("html")[0].innerHTML;
var restOfThePage = entirePage.slice(entirePage.indexOf("},\"channelUrl\"") + 48);
justTheId = restOfThePage.slice(0, restOfThePage.indexOf("\""));
}
return justTheId;
}
// Listen for changes to the URL using MutationObserver
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(mutation) {
if (mutation.type === 'attributes' && mutation.attributeName === 'href') {
// The URL has changed, so update the channel ID
var justTheId = getChannelId();
}
});
});
// Observe changes to the href attribute of the <a> tag containing the channel name
var targetNode = document.querySelector('#text > a');
var config = { attributes: true, childList: false, subtree: false };
observer.observe(targetNode, config);