Adds a "Copy" button to chat message elements to easily copy their content.
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// ==UserScript==
// @name Add Copy Button to Chat Messages on Gtihub Copilot web page
// @namespace http://tampermonkey.net/
// @version 1.1
// @description Adds a "Copy" button to chat message elements to easily copy their content.
// @author aspen138
// @match *://github.com/copilot/c/*
// @match *://github.com/copilot/
// @match *://github.com/copilot/*
// @grant none
// @run-at document-end
// @icon https://github.com/favicons/favicon-copilot.svg
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// Configuration: Update these class names if they change
const MESSAGE_CONTENT_CLASS = 'UserMessage-module__container--cAvvK';
const CHAT_MESSAGE_CONTENT_CLASS = 'ChatMessage-module__content--MYneF';
/**
* Creates and returns a copy button element.
* @returns {HTMLButtonElement} The copy button.
*/
function createCopyButton() {
const button = document.createElement('button');
button.innerText = 'Copy';
button.style.marginLeft = '10px';
button.style.padding = '5px 10px';
button.style.cursor = 'pointer';
button.style.fontSize = '0.9em';
// Optional: Add more styles to match your site's design
return button;
}
/**
* Adds a copy button to a chat message element.
* @param {HTMLElement} messageElement The chat message element.
*/
function addCopyButton(messageElement) {
// Prevent adding multiple buttons to the same message
if (messageElement.querySelector('.copy-button')) {
return;
}
const messageContent = messageElement.querySelector(`.${MESSAGE_CONTENT_CLASS}`);
if (!messageContent) return;
const copyButton = createCopyButton();
copyButton.classList.add('copy-button');
// Event listener for the copy action
copyButton.addEventListener('click', () => {
const textToCopy = messageContent.innerText.trim();
navigator.clipboard.writeText(textToCopy).then(() => {
// Optional: Provide feedback to the user
copyButton.innerText = 'Copied!';
setTimeout(() => {
copyButton.innerText = 'Copy';
}, 2000);
}).catch(err => {
console.error('Failed to copy text: ', err);
});
});
// Append the copy button to the message element
// Adjust the append location as needed
messageElement.appendChild(copyButton);
}
/**
* Processes all existing chat message elements on the page.
*/
function processExistingMessages() {
const messageElements = document.querySelectorAll(`.${CHAT_MESSAGE_CONTENT_CLASS}`);
messageElements.forEach(messageElement => {
addCopyButton(messageElement);
});
}
/**
* Sets up a MutationObserver to watch for new chat messages being added to the DOM.
*/
function observeNewMessages() {
const targetNode = document.body;
const config = { childList: true, subtree: true };
const callback = function(mutationsList) {
for (const mutation of mutationsList) {
if (mutation.type === 'childList') {
mutation.addedNodes.forEach(node => {
if (node.nodeType === Node.ELEMENT_NODE) {
// Check if the added node is a chat message
if (node.classList && node.classList.contains(CHAT_MESSAGE_CONTENT_CLASS)) {
addCopyButton(node);
}
// Also check within the subtree of the added node
const nestedMessages = node.querySelectorAll(`.${CHAT_MESSAGE_CONTENT_CLASS}`);
nestedMessages.forEach(nestedNode => {
addCopyButton(nestedNode);
});
}
});
}
}
};
const observer = new MutationObserver(callback);
observer.observe(targetNode, config);
}
/**
* Initializes the script by processing existing messages and setting up observers.
*/
function init() {
processExistingMessages();
observeNewMessages();
}
// Wait for the DOM to be fully loaded before initializing
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', init);
} else {
init();
}
})();