js-waku/examples/relay-reactjs-chat/src/App.js

import { Waku } from 'js-waku';
import * as React from 'react';

function App() {
  const [waku, setWaku] = React.useState(undefined);
  const [wakuStatus, setWakuStatus] = React.useState('None');

  // Start Waku
  React.useEffect(() => {
    // If Waku is already assigned, the job is done
    if (!!waku) return;
    // If Waku status not None, it means we are already starting Waku
    if (wakuStatus !== 'None') return;

    setWakuStatus('Starting');

    // Create Waku
    Waku.create({ bootstrap: true }).then((waku) => {
      // Once done, put it in the state
      setWaku(waku);
      // And update the status
      setWakuStatus('Started');
    });
  }, [waku, wakuStatus]);

  return (
    <div className='App'>
      <header className='App-header'>
        <p>Waku node's status: {wakuStatus}</p>
      </header>
    </div>
  );
}

export default App;