effection fetch timeout

fetchrace.ts

function* fetchRace(endpoint:string, timeout: number) {
  let result: Response | null = null;
  function* fetcher(endpoint: string, signal: AbortSignal) {
    try {
      result = yield* call(() => fetch(endpoint, { signal }));
    } catch (error) {
      console.error("fetchRace error", error);
    }
  }
  const controller = new AbortController();
  yield* spawn(()=>fetcher(endpoint, controller.signal));

  yield* sleep(timeout);
  if (!result) { 
    controller.abort('time out');
  }
  //
  console.log('result', result);
}


fetchRace('/rest/api/s1', 1300);