Function hasBinary

packages/engine.io/lib/parser-v3/index.ts:14–21

(packets)

export const protocol = 3;

const hasBinary = (packets) => {
  for (const packet of packets) {
    if (packet.data instanceof ArrayBuffer || ArrayBuffer.isView(packet.data)) {
      return true;
    }
  }
  return false;
}

/**
 * Packet types.