Function usePollEnvironmentHealth

console/src/store/environments.ts:360–398

(options: { intervalMs: number })

 * Polls for region information and environment health.
 */
export const usePollEnvironmentHealth = (options: { intervalMs: number }) => {
  const mergeEnvironments = useSetAtom(mergeEnvironmentsWithHealth);
  const cloudRegions = useAtomValue(cloudRegionsSelector);
  const appConfig = useAtomValue(appConfigAtom);

  // appConfig is intentionally excluded from queryKey — appConfig.consoleUrl
  // is a live window.location reference that changes on every navigation,
  // which would mint a new cache key on each route change and cause
  // useSuspenseQuery to re-throw. mergeEnvironments is a stable useSetAtom
  // reference.
  // eslint-disable-next-line @tanstack/query/exhaustive-deps
  useSuspenseQuery({
    queryKey: [...environmentQueryKeys.environmentHealth(cloudRegions)],
    // Back off to the slower interval once healthy; a steady environment is
    // already proven reachable, so frequent health checks just burn connection
    // slots. Poll fast until then so bootstrap transitions surface promptly.
    refetchInterval: (query) =>
      allEnvironmentsHealthy(query.state.data)
        ? options.intervalMs
        : BOOTSTRAP_POLL_INTERVAL_MS,
    queryFn: async () => {
      return Sentry.startSpan(
        {
          name: "poll-environment-health",
          op: "http.client",
          attributes: { polled: true },
        },
        async () => {
          const result = await fetchEnvironmentsWithHealth({
            cloudRegions,
            appConfig,
          });
          mergeEnvironments(result);
          return result;
        },
      );
    },
  });
};

const loadableEnvironmentsWithHealth = loadable(environmentsWithHealth);
/**