example5.jsx

export const SomeComponent = ({someId}) => { 
    const [searchWorker, setSearchWorker] = useState();
  
    useEffect(() => {
        const searchWorkerInstance = new SearchWorker();
        setSearchWorker(searchWorkerInstance);
        searchWorkerInstance.onmessage(...);
        
        return () => {
            searchWorkerInstance.terminate();
        }
    }, []);
    
    useEffect(() => {
        if (searchWorker && someId) {
            searchWorker.postMessage(...);
        }
    }, [searchWorker, someId]);
}