Method #onConnectionEstablished

out/cli.cjs:63871–63889

* @see https://websockets.spec.whatwg.org/#feedback-from-the-protocol

(response)

          this[kBinaryType] = "blob";
        } else {
          this[kBinaryType] = type2;
        }
      }
      /**
       * @see https://websockets.spec.whatwg.org/#feedback-from-the-protocol
       */
      #onConnectionEstablished(response) {
        this[kResponse] = response;
        const parser = new ByteParser(this);
        parser.on("drain", function onParserDrain() {
          this.ws[kResponse].socket.resume();
        });
        response.socket.ws = this;
        this[kByteParser] = parser;
        this[kReadyState] = states.OPEN;
        const extensions = response.headersList.get("sec-websocket-extensions");
        if (extensions !== null) {
          this.#extensions = extensions;
        }
        const protocol = response.headersList.get("sec-websocket-protocol");
        if (protocol !== null) {
          this.#protocol = protocol;