Function useGitStatus

src/features/git/hooks/useGitStatus.ts:26–121

(activeWorkspace: WorkspaceInfo | null)

const REFRESH_INTERVAL_MS = 3000;
export function useGitStatus(activeWorkspace: WorkspaceInfo | null) {
  const [status, setStatus] = useState<GitStatusState>(emptyStatus);
  const requestIdRef = useRef(0);
  const workspaceIdRef = useRef<string | null>(activeWorkspace?.id ?? null);
  const cachedStatusRef = useRef<Map<string, GitStatusState>>(new Map());
  const workspaceId = activeWorkspace?.id ?? null;

  const resolveBranchName = useCallback(
    (incoming: string | undefined, cached: GitStatusState | undefined) => {
      const trimmed = incoming?.trim();
      if (trimmed && trimmed !== "unknown") {
        return trimmed;
      }
      const cachedBranch = cached?.branchName?.trim();
      return cachedBranch && cachedBranch !== "unknown"
        ? cachedBranch
        : trimmed ?? "";
    },
    [],
  );

  const refresh = useCallback(() => {
    if (!workspaceId) {
      setStatus(emptyStatus);
      return;
    }
    const requestId = requestIdRef.current + 1;
    requestIdRef.current = requestId;
    return getGitStatus(workspaceId)
      .then((data) => {
        if (
          requestIdRef.current !== requestId ||
          workspaceIdRef.current !== workspaceId
        ) {
          return;
        }
        const cached = cachedStatusRef.current.get(workspaceId);
        const resolvedBranchName = resolveBranchName(data.branchName, cached);
        const nextStatus = {
          ...data,
          branchName: resolvedBranchName,
          error: null,
        };
        setStatus(nextStatus);
        cachedStatusRef.current.set(workspaceId, nextStatus);
      })
      .catch((err) => {
        console.error("Failed to load git status", err);
        if (
          requestIdRef.current !== requestId ||
          workspaceIdRef.current !== workspaceId
        ) {
          return;
        }
        const message = err instanceof Error ? err.message : String(err);
        const cached = cachedStatusRef.current.get(workspaceId);
        const nextStatus = cached
          ? { ...cached, error: message }