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fix(sidebar): keep recent project ids referentially stable

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This commit is contained in:
Bohdan Triapitsyn
2026-07-12 02:02:42 +03:00
parent bb45164ae8
commit 2c4b40893c
1 changed files with 32 additions and 14 deletions
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packages/ui/src/components/session/SessionSidebar.tsx
+32 -14
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@@ -1037,25 +1037,43 @@ export const SessionSidebar: React.FC<SessionSidebarProps> = ({
const projectSortOrder = useSessionDisplayStore((state) => state.projectSortOrder); const projectSortOrder = useSessionDisplayStore((state) => state.projectSortOrder);
const manualProjectOrder = useProjectsStore((state) => state.manualProjectOrder); const manualProjectOrder = useProjectsStore((state) => state.manualProjectOrder);
const recentProjectIdsRef = React.useRef<Set<string>>(new Set());
const recentProjectIds = React.useMemo(() => { const recentProjectIds = React.useMemo(() => {
const recentSessions = deriveRecentSessions(sessions); const recentSessions = deriveRecentSessions(sessions);
if (recentSessions.length === 0) return new Set<string>();
const pathToId = new Map<string, string>();
for (const project of normalizedProjects) {
if (project.normalizedPath) {
pathToId.set(project.normalizedPath, project.id);
}
}
const ids = new Set<string>(); const ids = new Set<string>();
for (const session of recentSessions) {
const directory = normalizePath((session as Session & { directory?: string | null }).directory ?? null); if (recentSessions.length > 0) {
if (directory) { const pathToId = new Map<string, string>();
const projectId = pathToId.get(directory); for (const project of normalizedProjects) {
if (projectId) ids.add(projectId); if (project.normalizedPath) {
pathToId.set(project.normalizedPath, project.id);
}
}
for (const session of recentSessions) {
const directory = normalizePath((session as Session & { directory?: string | null }).directory ?? null);
if (directory) {
const projectId = pathToId.get(directory);
if (projectId) ids.add(projectId);
}
} }
} }
// Sessions update on every SSE event; keep the previous Set reference when
// membership is unchanged so sortedProjects (and the sidebar sections built
// from it) do not recompute on every streaming event.
const previous = recentProjectIdsRef.current;
if (previous.size === ids.size) {
let unchanged = true;
for (const id of ids) {
if (!previous.has(id)) {
unchanged = false;
break;
}
}
if (unchanged) return previous;
}
recentProjectIdsRef.current = ids;
return ids; return ids;
}, [sessions, normalizedProjects]); }, [sessions, normalizedProjects]);