Function decodePayload

docs/engine.io-protocol/v3-test-suite/test-suite.js:32–37

(payload)

}

function decodePayload(payload) {
  const firstColonIndex = payload.indexOf(":");
  const length = payload.substring(0, firstColonIndex);
  const packet = payload.substring(firstColonIndex + 1);
  return [length, packet];
}

async function initLongPollingSession(supportsBinary = false) {
  const response = await fetch(`${URL}/engine.io/?EIO=3&transport=polling` + (supportsBinary ? "" : "&b64=1"));