Function useLatestVersion

packages/react/src/components/update-card.tsx:50–82

(currentVersion: string | undefined)

// ── useLatestVersion ────────────────────────────────────────────────────

function useLatestVersion(currentVersion: string | undefined) {
  const channel: UpdateChannel = currentVersion ? resolveUpdateChannel(currentVersion) : "latest";
  const [latestVersion, setLatestVersion] = useState<string | null>(null);

  useEffect(() => {
    if (!currentVersion) return;
    let cancelled = false;
    void Effect.runPromiseExit(
      Effect.tryPromise({
        try: async () => {
          const res = await fetch(EXECUTOR_DIST_TAGS_PATH);
          if (!res.ok) return null;
          return (await res.json()) as Partial<Record<UpdateChannel, string>>;
        },
        catch: (cause) => cause,
      }),
    ).then((exit) => {
      if (!cancelled && Exit.isSuccess(exit)) {
        setLatestVersion(exit.value?.[channel] ?? null);
      }
    });
    return () => {
      cancelled = true;
    };
  }, [channel, currentVersion]);

  const updateAvailable =
    currentVersion !== undefined &&
    latestVersion !== null &&
    compareVersions(currentVersion, latestVersion) === -1;

  return { latestVersion, updateAvailable, channel };
}

// ── Card chrome ──────────────────────────────────────────────────────────