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perf: remove reply backlink subscription churn

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Replaced per-reply useReplies subscriptions in backlink rendering with a precomputed directRepliesByParentCid map from thread-level filteredReplies. Also optimized quote link rendering in comment-content with scoped store subscription, reduced edit menu state churn, and improved DOM lookups with memoization to keep all backlink rendering data-local and eliminate repeated backend-state-driven reference churn during board scroll.
This commit is contained in:
plebeius
2026-02-12 20:00:32 +08:00
parent 7821f9cd82
commit 3d2dbbf75c
6 changed files with 286 additions and 121 deletions
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src/components/post-mobile/post-mobile.tsx
+9 -3
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@@ -171,12 +171,18 @@ const PostInfoAndMedia = ({ post, postReplyCount = 0, roles, threadNumber }: Pos
const stateString = useStateString(post);
const postMenuProps = useMemo(() => selectPostMenuProps(post), [post]);
const handleUserAddressClick = useAuthorAddressClick();
const numberOfPostsByAuthor = document.querySelectorAll(`[data-author-address="${shortAddress}"][data-post-cid="${postCid}"]`).length;
const pseudonymityMode = useSubplebbitField(subplebbitAddress, (sub) => sub?.features?.pseudonymityMode);
const showUserID = pseudonymityMode !== 'per-reply';
const handleUserAddressClick = useAuthorAddressClick();
const numberOfPostsByAuthor = useMemo(() => {
if (!showUserID || deleted || removed || !shortAddress || !postCid || typeof document === 'undefined') {
return 0;
}
return document.querySelectorAll(`[data-author-address="${shortAddress}"][data-post-cid="${postCid}"]`).length;
}, [showUserID, deleted, removed, shortAddress, postCid]);
const userID = address && Plebbit.getShortAddress({ address }); // shortened to 8 chars for display; users can verify the full user ID via "Copy user ID" in the post menu to guard against spoofing
const userIDBackgroundColor = hashStringToColor(userID);
const userIDTextColor = getTextColorForBackground(userIDBackgroundColor);