Error: "document already attached" when trying to attach to a document that has been previously detached about yorkie-js-sdk HOT 1 CLOSED

async function withTwoClientsAndDocuments(
  callback: (
    c1: Client,
    d1: Document,
    c2: Client,
    d2: Document,
  ) => Promise<void>,
  title: string,
): Promise<void> {
  const client1 = yorkie.createClient(testRPCAddr);
  const client2 = yorkie.createClient(testRPCAddr);
  await client1.activate();
  await client2.activate();

  const docKey = `${title}-${new Date().getTime()}`;
  const doc1 = yorkie.createDocument(testCollection, docKey);
  const doc2 = yorkie.createDocument(testCollection, docKey);

  await client1.attach(doc1, true);
  await client2.attach(doc2, true);

  await callback(client1, doc1, client2, doc2);

  await client1.detach(doc1);
  await client2.detach(doc2);

  await client1.attach(doc1, true);  // These
  await client2.attach(doc2, true);  // lines
  await client1.detach(doc1);        // have been
  await client2.detach(doc2);        // added

  await client1.deactivate();
  await client2.deactivate();
}