blockcore-notes/assets/shared.worker.js

//shared.worker.js

connections = [];

self.onconnect = (connectEvent) => {
  const port = connectEvent.ports[0];

  port.start();
  connections.push(port);

  port.onmessage = (messageEvent) => {
    connections.forEach((connection) => {
      connection.postMessage(messageEvent.data);
    });
  };
};