Method doWrite

packages/engine.io/lib/transports/polling.ts:231–236

(data: string)

    }

    const doWrite = (data: string) => {
      const compress = packets.some((packet) => {
        return packet.options && packet.options.compress;
      });
      this.write(data, { compress });
    };

    if (this.protocol === 3) {
      (this.parser as typeof parser_v3).encodePayload(