Function waitFor

docs/engine.io-protocol/v3-test-suite/test-suite.js:20–30

(socket, eventType)

}

function waitFor(socket, eventType) {
  return new Promise((resolve) => {
    socket.addEventListener(
      eventType,
      (event) => {
        resolve(event);
      },
      { once: true }
    );
  });
}

function decodePayload(payload) {
  const firstColonIndex = payload.indexOf(":");