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UI: Fix an autoscroll race condition during chat streaming

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oobabooga 2026-03-13 03:05:09 -07:00
parent 5833d94d7f
commit fef95b9e56
1 changed files with 5 additions and 1 deletions
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6
js/main.js
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@ -145,6 +145,7 @@ targetElement.classList.add("pretty_scrollbar");
targetElement.classList.add("chat-parent");
window.isScrolled = false;
let scrollTimeout;
let isProgrammaticScroll = false;
targetElement.addEventListener("scroll", function() {
let diff = targetElement.scrollHeight - targetElement.clientHeight;
@ -157,9 +158,10 @@ targetElement.addEventListener("scroll", function() {
if(isAtBottomNow) {
window.isScrolled = false;
} else {
} else if (!isProgrammaticScroll) {
window.isScrolled = true;
}
isProgrammaticScroll = false;
// Clear previous timeout and set new one
clearTimeout(scrollTimeout);
@ -193,6 +195,7 @@ const observer = new MutationObserver(function(mutations) {
if (!window.isScrolled && !isScrollingClassOnly) {
const maxScroll = targetElement.scrollHeight - targetElement.clientHeight;
if (maxScroll > 0 && targetElement.scrollTop < maxScroll - 1) {
isProgrammaticScroll = true;
targetElement.scrollTop = maxScroll;
}
}
@ -1091,6 +1094,7 @@ document.fonts.addEventListener("loadingdone", (event) => {
if (!window.isScrolled) {
const maxScroll = targetElement.scrollHeight - targetElement.clientHeight;
if (targetElement.scrollTop < maxScroll - 5) {
isProgrammaticScroll = true;
targetElement.scrollTop = maxScroll;
}
}