From 3481379732c4f3836f9383a7b44fc7ce3d0c0751 Mon Sep 17 00:00:00 2001
From: Jeremy Kahn <jeremyckahn@gmail.com>
Date: Wed, 15 Mar 2023 10:08:08 -0500
Subject: [PATCH] fix: make auto scroll work with images

---
 src/components/ChatTranscript/ChatTranscript.tsx | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/components/ChatTranscript/ChatTranscript.tsx b/src/components/ChatTranscript/ChatTranscript.tsx
index 38ab6bd..10587b7 100644
--- a/src/components/ChatTranscript/ChatTranscript.tsx
+++ b/src/components/ChatTranscript/ChatTranscript.tsx
@@ -30,8 +30,12 @@ export const ChatTranscript = ({
     const lastChild = children[children.length - 1]
     const lastChildHeight = lastChild.clientHeight
     const previousScrollTopMax = scrollTopMax - lastChildHeight
+
+    // Accounts for rounding errors in layout calculations
+    const marginBuffer = 1
+
     const wasPreviouslyScrolledToBottom =
-      Math.ceil(scrollTop) >= Math.ceil(previousScrollTopMax)
+      Math.ceil(scrollTop) >= Math.ceil(previousScrollTopMax) - marginBuffer
     const wasMessageLogPreviouslyEmpty = previousMessageLogLength === 0
     const shouldScrollToLatestMessage =
       wasPreviouslyScrolledToBottom || wasMessageLogPreviouslyEmpty