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no auto-scroll on new message #47

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opened 2026-04-19 08:25:33 +00:00 by zaelgohary · 1 comment
zaelgohary commented 2026-04-19 08:25:33 +00:00
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ChatView rendered the message list but had no effect to scroll the container when a new message was appended. Users had to scroll down manually after every send/receive.

Fix: bridge props.messages.len() into a Signal so use_effect can actually react to it (plain props don't subscribe), then schedule a double-requestAnimationFrame that sets scrollTop = scrollHeight after the newly-appended bubble has been laid out.

`ChatView` rendered the message list but had no effect to scroll the container when a new message was appended. Users had to scroll down manually after every send/receive. **Fix**: bridge `props.messages.len()` into a Signal so `use_effect` can actually react to it (plain props don't subscribe), then schedule a double-`requestAnimationFrame` that sets `scrollTop = scrollHeight` after the newly-appended bubble has been laid out.
zaelgohary changed title from bug: new messages don't auto-scroll into view to no auto-scroll on new message 2026-04-19 08:32:19 +00:00
zaelgohary commented 2026-04-19 09:55:50 +00:00
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Fixed by #56.

Fixed by https://forge.ourworld.tf/lhumina_code/hero_archipelagos/pulls/56.
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lhumina_code/hero_archipelagos#47
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