Automatically keep the scroll locked to the bottom of the chat container on t3.chat
Automatically keeps the chat container on t3.chat locked at the bottom whenever new messages arrive.
// ==UserScript==
// @name Lock Scroll to Bottom
// @namespace https://github.com/prudentbird
// @version 1.0
// @description Automatically keep the scroll locked to the bottom of the chat container on t3.chat
// @author Prudent Bird
// @match https://t3.chat/*
// @match https://beta.t3.chat/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=t3.chat
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
function waitForElement(selector, callback) {
const el = document.querySelector(selector);
if (el) {
callback(el);
} else {
setTimeout(() => waitForElement(selector, callback), 500);
}
}
waitForElement('div.absolute.inset-0.overflow-y-scroll', (el) => {
const threshold = 50;
let autoScrollEnabled = true;
const scrollToBottom = () => {
setTimeout(() => {
el.scrollTop = el.scrollHeight;
autoScrollEnabled = true;
}, 0);
};
el.addEventListener('scroll', () => {
const distanceToBottom = el.scrollHeight - el.clientHeight - el.scrollTop;
autoScrollEnabled = distanceToBottom <= threshold;
});
scrollToBottom();
const observer = new MutationObserver(() => {
if (autoScrollEnabled) {
scrollToBottom();
}
});
observer.observe(el, { childList: true, subtree: true });
});
})();
Save and enable the script.
Reload or visit t3.chat to see it in action.
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