example of adding your data to the view

snippetView.js

componentDidMount() {
   // instantiating the worker and adding a listener
   this.worker = new Webworker(worker);
   this.worker.addEventListener("message", e => {
     const { data } = e;
     this.setState({ data, isLoading: false });
   });
 }
 onClick = () => {
   // your event handler that will use a worker
   const { numberOfUsers } = this.state;
   if (Number.parseInt(numberOfUsers) >= 0) {
     this.setState({ isLoading: true });
     this.worker.postMessage({ numberOfUsers });
   }
 };
 componentWillUnmount(){
   // terminate the worker once you're done using it
   this.worker.terminate()
 }