ZKCX/public/socket.io.js

!(function (t, e) {
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    ? (module.exports = e())
    : "function" == typeof define && define.amd
    ? define([], e)
    : "object" == typeof exports
    ? (exports.io = e())
    : (t.io = e());
})(this, function () {
  return (function (t) {
    function e(r) {
      if (n[r]) return n[r].exports;
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          u = r.id,
          h = r.path,
          f = p[u] && h in p[u].nsps,
          l =
            e.forceNew || e["force new connection"] || !1 === e.multiplex || f;
        return (
          l
            ? (c("ignoring socket cache for %s", s), (n = a(s, e)))
            : (p[u] || (c("new io instance for %s", s), (p[u] = a(s, e))),
              (n = p[u])),
          r.query && !e.query && (e.query = r.query),
          n.socket(r.path, e)
        );
      }
      var o =
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            ? function (t) {
                return typeof t;
              }
            : function (t) {
                return t &&
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                  t.constructor === Symbol &&
                  t !== Symbol.prototype
                  ? "symbol"
                  : typeof t;
              },
        i = n(1),
        s = n(7),
        a = n(13),
        c = n(3)("socket.io-client");
      t.exports = e = r;
      var p = (e.managers = {});
      (e.protocol = s.protocol),
        (e.connect = r),
        (e.Manager = n(13)),
        (e.Socket = n(39));
    },
    function (t, e, n) {
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        "use strict";
        function r(t, n) {
          var r = t;
          (n = n || e.location),
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            "string" == typeof t &&
              ("/" === t.charAt(0) &&
                (t = "/" === t.charAt(1) ? n.protocol + t : n.host + t),
              /^(https?|wss?):\/\//.test(t) ||
                (i("protocol-less url %s", t),
                (t =
                  "undefined" != typeof n
                    ? n.protocol + "//" + t
                    : "https://" + t)),
              i("parse %s", t),
              (r = o(t))),
            r.port ||
              (/^(http|ws)$/.test(r.protocol)
                ? (r.port = "80")
                : /^(http|ws)s$/.test(r.protocol) && (r.port = "443")),
            (r.path = r.path || "/");
          var s = r.host.indexOf(":") !== -1,
            a = s ? "[" + r.host + "]" : r.host;
          return (
            (r.id = r.protocol + "://" + a + ":" + r.port),
            (r.href =
              r.protocol +
              "://" +
              a +
              (n && n.port === r.port ? "" : ":" + r.port)),
            r
          );
        }
        var o = n(2),
          i = n(3)("socket.io-client:url");
        t.exports = r;
      }).call(
        e,
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          return this;
        })()
      );
    },
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          "protocol",
          "authority",
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          "user",
          "password",
          "host",
          "port",
          "relative",
          "path",
          "directory",
          "file",
          "query",
          "anchor",
        ];
      t.exports = function (t) {
        var e = t,
          o = t.indexOf("["),
          i = t.indexOf("]");
        o != -1 &&
          i != -1 &&
          (t =
            t.substring(0, o) +
            t.substring(o, i).replace(/:/g, ";") +
            t.substring(i, t.length));
        for (var s = n.exec(t || ""), a = {}, c = 14; c--; )
          a[r[c]] = s[c] || "";
        return (
          o != -1 &&
            i != -1 &&
            ((a.source = e),
            (a.host = a.host
              .substring(1, a.host.length - 1)
              .replace(/;/g, ":")),
            (a.authority = a.authority
              .replace("[", "")
              .replace("]", "")
              .replace(/;/g, ":")),
            (a.ipv6uri = !0)),
          a
        );
      };
    },
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      function o(t) {
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        c = 60 * a,
        p = 24 * c,
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        var i = typeof t;
        if ("string" === i && t.length > 0) return n(t);
        if ("number" === i && isNaN(t) === !1) return e["long"] ? o(t) : r(t);
        throw new Error(
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            JSON.stringify(t)
        );
      };
    },
    function (t, e, n) {
      function r() {}
      function o(t) {
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        return (
          (e.BINARY_EVENT !== t.type && e.BINARY_ACK !== t.type) ||
            (n += t.attachments + "-"),
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          null != t.id && (n += t.id),
          null != t.data && (n += JSON.stringify(t.data)),
          h("encoded %j as %s", t, n),
          n
        );
      }
      function i(t, e) {
        function n(t) {
          var n = d.deconstructPacket(t),
            r = o(n.packet),
            i = n.buffers;
          i.unshift(r), e(i);
        }
        d.removeBlobs(t, n);
      }
      function s() {
        this.reconstructor = null;
      }
      function a(t) {
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          r = { type: Number(t.charAt(0)) };
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            var o = "";
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          );
          if (o != Number(o) || "-" !== t.charAt(n))
            throw new Error("Illegal attachments");
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        }
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              --n;
              break;
            }
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        }
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      }
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      }
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        f = n(8),
        l = n(9),
        d = n(11),
        y = n(12);
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        (e.types = [
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          "EVENT",
          "ACK",
          "ERROR",
          "BINARY_EVENT",
          "BINARY_ACK",
        ]),
        (e.CONNECT = 0),
        (e.DISCONNECT = 1),
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        (e.ACK = 3),
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        (e.Encoder = r),
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                : this.emit("decoded", n);
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          return (
            (this._callbacks = this._callbacks || {}),
            this._callbacks["$" + t] || []
          );
        }),
        (r.prototype.hasListeners = function (t) {
          return !!this.listeners(t).length;
        });
    },
    function (t, e, n) {
      (function (e) {
        function r(t) {
          if (!t || "object" != typeof t) return !1;
          if (o(t)) {
            for (var n = 0, i = t.length; n < i; n++) if (r(t[n])) return !0;
            return !1;
          }
          if (
            ("function" == typeof e.Buffer &&
              e.Buffer.isBuffer &&
              e.Buffer.isBuffer(t)) ||
            ("function" == typeof e.ArrayBuffer && t instanceof ArrayBuffer) ||
            (s && t instanceof Blob) ||
            (a && t instanceof File)
          )
            return !0;
          if (
            t.toJSON &&
            "function" == typeof t.toJSON &&
            1 === arguments.length
          )
            return r(t.toJSON(), !0);
          for (var c in t)
            if (Object.prototype.hasOwnProperty.call(t, c) && r(t[c]))
              return !0;
          return !1;
        }
        var o = n(10),
          i = Object.prototype.toString,
          s =
            "function" == typeof e.Blob ||
            "[object BlobConstructor]" === i.call(e.Blob),
          a =
            "function" == typeof e.File ||
            "[object FileConstructor]" === i.call(e.File);
        t.exports = r;
      }).call(
        e,
        (function () {
          return this;
        })()
      );
    },
    function (t, e) {
      var n = {}.toString;
      t.exports =
        Array.isArray ||
        function (t) {
          return "[object Array]" == n.call(t);
        };
    },
    function (t, e, n) {
      (function (t) {
        function r(t, e) {
          if (!t) return t;
          if (s(t)) {
            var n = { _placeholder: !0, num: e.length };
            return e.push(t), n;
          }
          if (i(t)) {
            for (var o = new Array(t.length), a = 0; a < t.length; a++)
              o[a] = r(t[a], e);
            return o;
          }
          if ("object" == typeof t && !(t instanceof Date)) {
            var o = {};
            for (var c in t) o[c] = r(t[c], e);
            return o;
          }
          return t;
        }
        function o(t, e) {
          if (!t) return t;
          if (t && t._placeholder) return e[t.num];
          if (i(t)) for (var n = 0; n < t.length; n++) t[n] = o(t[n], e);
          else if ("object" == typeof t) for (var r in t) t[r] = o(t[r], e);
          return t;
        }
        var i = n(10),
          s = n(12),
          a = Object.prototype.toString,
          c =
            "function" == typeof t.Blob ||
            "[object BlobConstructor]" === a.call(t.Blob),
          p =
            "function" == typeof t.File ||
            "[object FileConstructor]" === a.call(t.File);
        (e.deconstructPacket = function (t) {
          var e = [],
            n = t.data,
            o = t;
          return (
            (o.data = r(n, e)),
            (o.attachments = e.length),
            { packet: o, buffers: e }
          );
        }),
          (e.reconstructPacket = function (t, e) {
            return (t.data = o(t.data, e)), (t.attachments = void 0), t;
          }),
          (e.removeBlobs = function (t, e) {
            function n(t, a, u) {
              if (!t) return t;
              if ((c && t instanceof Blob) || (p && t instanceof File)) {
                r++;
                var h = new FileReader();
                (h.onload = function () {
                  u ? (u[a] = this.result) : (o = this.result), --r || e(o);
                }),
                  h.readAsArrayBuffer(t);
              } else if (i(t)) for (var f = 0; f < t.length; f++) n(t[f], f, t);
              else if ("object" == typeof t && !s(t))
                for (var l in t) n(t[l], l, t);
            }
            var r = 0,
              o = t;
            n(o), r || e(o);
          });
      }).call(
        e,
        (function () {
          return this;
        })()
      );
    },
    function (t, e) {
      (function (e) {
        function n(t) {
          return (
            (e.Buffer && e.Buffer.isBuffer(t)) ||
            (e.ArrayBuffer && t instanceof ArrayBuffer)
          );
        }
        t.exports = n;
      }).call(
        e,
        (function () {
          return this;
        })()
      );
    },
    function (t, e, n) {
      "use strict";
      function r(t, e) {
        if (!(this instanceof r)) return new r(t, e);
        t &&
          "object" === ("undefined" == typeof t ? "undefined" : o(t)) &&
          ((e = t), (t = void 0)),
          (e = e || {}),
          (e.path = e.path || "/socket.io"),
          (this.nsps = {}),
          (this.subs = []),
          (this.opts = e),
          this.reconnection(e.reconnection !== !1),
          this.reconnectionAttempts(e.reconnectionAttempts || 1 / 0),
          this.reconnectionDelay(e.reconnectionDelay || 1e3),
          this.reconnectionDelayMax(e.reconnectionDelayMax || 5e3),
          this.randomizationFactor(e.randomizationFactor || 0.5),
          (this.backoff = new l({
            min: this.reconnectionDelay(),
            max: this.reconnectionDelayMax(),
            jitter: this.randomizationFactor(),
          })),
          this.timeout(null == e.timeout ? 2e4 : e.timeout),
          (this.readyState = "closed"),
          (this.uri = t),
          (this.connecting = []),
          (this.lastPing = null),
          (this.encoding = !1),
          (this.packetBuffer = []);
        var n = e.parser || c;
        (this.encoder = new n.Encoder()),
          (this.decoder = new n.Decoder()),
          (this.autoConnect = e.autoConnect !== !1),
          this.autoConnect && this.open();
      }
      var o =
          "function" == typeof Symbol && "symbol" == typeof Symbol.iterator
            ? function (t) {
                return typeof t;
              }
            : function (t) {
                return t &&
                  "function" == typeof Symbol &&
                  t.constructor === Symbol &&
                  t !== Symbol.prototype
                  ? "symbol"
                  : typeof t;
              },
        i = n(14),
        s = n(39),
        a = n(8),
        c = n(7),
        p = n(41),
        u = n(42),
        h = n(3)("socket.io-client:manager"),
        f = n(37),
        l = n(43),
        d = Object.prototype.hasOwnProperty;
      (t.exports = r),
        (r.prototype.emitAll = function () {
          this.emit.apply(this, arguments);
          for (var t in this.nsps)
            d.call(this.nsps, t) &&
              this.nsps[t].emit.apply(this.nsps[t], arguments);
        }),
        (r.prototype.updateSocketIds = function () {
          for (var t in this.nsps)
            d.call(this.nsps, t) && (this.nsps[t].id = this.generateId(t));
        }),
        (r.prototype.generateId = function (t) {
          return ("/" === t ? "" : t + "#") + this.engine.id;
        }),
        a(r.prototype),
        (r.prototype.reconnection = function (t) {
          return arguments.length
            ? ((this._reconnection = !!t), this)
            : this._reconnection;
        }),
        (r.prototype.reconnectionAttempts = function (t) {
          return arguments.length
            ? ((this._reconnectionAttempts = t), this)
            : this._reconnectionAttempts;
        }),
        (r.prototype.reconnectionDelay = function (t) {
          return arguments.length
            ? ((this._reconnectionDelay = t),
              this.backoff && this.backoff.setMin(t),
              this)
            : this._reconnectionDelay;
        }),
        (r.prototype.randomizationFactor = function (t) {
          return arguments.length
            ? ((this._randomizationFactor = t),
              this.backoff && this.backoff.setJitter(t),
              this)
            : this._randomizationFactor;
        }),
        (r.prototype.reconnectionDelayMax = function (t) {
          return arguments.length
            ? ((this._reconnectionDelayMax = t),
              this.backoff && this.backoff.setMax(t),
              this)
            : this._reconnectionDelayMax;
        }),
        (r.prototype.timeout = function (t) {
          return arguments.length ? ((this._timeout = t), this) : this._timeout;
        }),
        (r.prototype.maybeReconnectOnOpen = function () {
          !this.reconnecting &&
            this._reconnection &&
            0 === this.backoff.attempts &&
            this.reconnect();
        }),
        (r.prototype.open = r.prototype.connect =
          function (t, e) {
            if (
              (h("readyState %s", this.readyState),
              ~this.readyState.indexOf("open"))
            )
              return this;
            h("opening %s", this.uri), (this.engine = i(this.uri, this.opts));
            var n = this.engine,
              r = this;
            (this.readyState = "opening"), (this.skipReconnect = !1);
            var o = p(n, "open", function () {
                r.onopen(), t && t();
              }),
              s = p(n, "error", function (e) {
                if (
                  (h("connect_error"),
                  r.cleanup(),
                  (r.readyState = "closed"),
                  r.emitAll("connect_error", e),
                  t)
                ) {
                  var n = new Error("Connection error");
                  (n.data = e), t(n);
                } else r.maybeReconnectOnOpen();
              });
            if (!1 !== this._timeout) {
              var a = this._timeout;
              h("connect attempt will timeout after %d", a);
              var c = setTimeout(function () {
                h("connect attempt timed out after %d", a),
                  o.destroy(),
                  n.close(),
                  n.emit("error", "timeout"),
                  r.emitAll("connect_timeout", a);
              }, a);
              this.subs.push({
                destroy: function () {
                  clearTimeout(c);
                },
              });
            }
            return this.subs.push(o), this.subs.push(s), this;
          }),
        (r.prototype.onopen = function () {
          h("open"),
            this.cleanup(),
            (this.readyState = "open"),
            this.emit("open");
          var t = this.engine;
          this.subs.push(p(t, "data", u(this, "ondata"))),
            this.subs.push(p(t, "ping", u(this, "onping"))),
            this.subs.push(p(t, "pong", u(this, "onpong"))),
            this.subs.push(p(t, "error", u(this, "onerror"))),
            this.subs.push(p(t, "close", u(this, "onclose"))),
            this.subs.push(p(this.decoder, "decoded", u(this, "ondecoded")));
        }),
        (r.prototype.onping = function () {
          (this.lastPing = new Date()), this.emitAll("ping");
        }),
        (r.prototype.onpong = function () {
          this.emitAll("pong", new Date() - this.lastPing);
        }),
        (r.prototype.ondata = function (t) {
          this.decoder.add(t);
        }),
        (r.prototype.ondecoded = function (t) {
          this.emit("packet", t);
        }),
        (r.prototype.onerror = function (t) {
          h("error", t), this.emitAll("error", t);
        }),
        (r.prototype.socket = function (t, e) {
          function n() {
            ~f(o.connecting, r) || o.connecting.push(r);
          }
          var r = this.nsps[t];
          if (!r) {
            (r = new s(this, t, e)), (this.nsps[t] = r);
            var o = this;
            r.on("connecting", n),
              r.on("connect", function () {
                r.id = o.generateId(t);
              }),
              this.autoConnect && n();
          }
          return r;
        }),
        (r.prototype.destroy = function (t) {
          var e = f(this.connecting, t);
          ~e && this.connecting.splice(e, 1),
            this.connecting.length || this.close();
        }),
        (r.prototype.packet = function (t) {
          h("writing packet %j", t);
          var e = this;
          t.query && 0 === t.type && (t.nsp += "?" + t.query),
            e.encoding
              ? e.packetBuffer.push(t)
              : ((e.encoding = !0),
                this.encoder.encode(t, function (n) {
                  for (var r = 0; r < n.length; r++)
                    e.engine.write(n[r], t.options);
                  (e.encoding = !1), e.processPacketQueue();
                }));
        }),
        (r.prototype.processPacketQueue = function () {
          if (this.packetBuffer.length > 0 && !this.encoding) {
            var t = this.packetBuffer.shift();
            this.packet(t);
          }
        }),
        (r.prototype.cleanup = function () {
          h("cleanup");
          for (var t = this.subs.length, e = 0; e < t; e++) {
            var n = this.subs.shift();
            n.destroy();
          }
          (this.packetBuffer = []),
            (this.encoding = !1),
            (this.lastPing = null),
            this.decoder.destroy();
        }),
        (r.prototype.close = r.prototype.disconnect =
          function () {
            h("disconnect"),
              (this.skipReconnect = !0),
              (this.reconnecting = !1),
              "opening" === this.readyState && this.cleanup(),
              this.backoff.reset(),
              (this.readyState = "closed"),
              this.engine && this.engine.close();
          }),
        (r.prototype.onclose = function (t) {
          h("onclose"),
            this.cleanup(),
            this.backoff.reset(),
            (this.readyState = "closed"),
            this.emit("close", t),
            this._reconnection && !this.skipReconnect && this.reconnect();
        }),
        (r.prototype.reconnect = function () {
          if (this.reconnecting || this.skipReconnect) return this;
          var t = this;
          if (this.backoff.attempts >= this._reconnectionAttempts)
            h("reconnect failed"),
              this.backoff.reset(),
              this.emitAll("reconnect_failed"),
              (this.reconnecting = !1);
          else {
            var e = this.backoff.duration();
            h("will wait %dms before reconnect attempt", e),
              (this.reconnecting = !0);
            var n = setTimeout(function () {
              t.skipReconnect ||
                (h("attempting reconnect"),
                t.emitAll("reconnect_attempt", t.backoff.attempts),
                t.emitAll("reconnecting", t.backoff.attempts),
                t.skipReconnect ||
                  t.open(function (e) {
                    e
                      ? (h("reconnect attempt error"),
                        (t.reconnecting = !1),
                        t.reconnect(),
                        t.emitAll("reconnect_error", e.data))
                      : (h("reconnect success"), t.onreconnect());
                  }));
            }, e);
            this.subs.push({
              destroy: function () {
                clearTimeout(n);
              },
            });
          }
        }),
        (r.prototype.onreconnect = function () {
          var t = this.backoff.attempts;
          (this.reconnecting = !1),
            this.backoff.reset(),
            this.updateSocketIds(),
            this.emitAll("reconnect", t);
        });
    },
    function (t, e, n) {
      t.exports = n(15);
    },
    function (t, e, n) {
      (t.exports = n(16)), (t.exports.parser = n(23));
    },
    function (t, e, n) {
      (function (e) {
        function r(t, n) {
          if (!(this instanceof r)) return new r(t, n);
          (n = n || {}),
            t && "object" == typeof t && ((n = t), (t = null)),
            t
              ? ((t = u(t)),
                (n.hostname = t.host),
                (n.secure = "https" === t.protocol || "wss" === t.protocol),
                (n.port = t.port),
                t.query && (n.query = t.query))
              : n.host && (n.hostname = u(n.host).host),
            (this.secure =
              null != n.secure
                ? n.secure
                : e.location && "https:" === location.protocol),
            n.hostname && !n.port && (n.port = this.secure ? "443" : "80"),
            (this.agent = n.agent || !1),
            (this.hostname =
              n.hostname || (e.location ? location.hostname : "localhost")),
            (this.port =
              n.port ||
              (e.location && location.port
                ? location.port
                : this.secure
                ? 443
                : 80)),
            (this.query = n.query || {}),
            "string" == typeof this.query &&
              (this.query = f.decode(this.query)),
            (this.upgrade = !1 !== n.upgrade),
            (this.path = (n.path || "/engine.io").replace(/\/$/, "") + "/"),
            (this.forceJSONP = !!n.forceJSONP),
            (this.jsonp = !1 !== n.jsonp),
            (this.forceBase64 = !!n.forceBase64),
            (this.enablesXDR = !!n.enablesXDR),
            (this.timestampParam = n.timestampParam || "t"),
            (this.timestampRequests = n.timestampRequests),
            (this.transports = n.transports || ["polling", "websocket"]),
            (this.transportOptions = n.transportOptions || {}),
            (this.readyState = ""),
            (this.writeBuffer = []),
            (this.prevBufferLen = 0),
            (this.policyPort = n.policyPort || 843),
            (this.rememberUpgrade = n.rememberUpgrade || !1),
            (this.binaryType = null),
            (this.onlyBinaryUpgrades = n.onlyBinaryUpgrades),
            (this.perMessageDeflate =
              !1 !== n.perMessageDeflate && (n.perMessageDeflate || {})),
            !0 === this.perMessageDeflate && (this.perMessageDeflate = {}),
            this.perMessageDeflate &&
              null == this.perMessageDeflate.threshold &&
              (this.perMessageDeflate.threshold = 1024),
            (this.pfx = n.pfx || null),
            (this.key = n.key || null),
            (this.passphrase = n.passphrase || null),
            (this.cert = n.cert || null),
            (this.ca = n.ca || null),
            (this.ciphers = n.ciphers || null),
            (this.rejectUnauthorized =
              void 0 === n.rejectUnauthorized || n.rejectUnauthorized),
            (this.forceNode = !!n.forceNode);
          var o = "object" == typeof e && e;
          o.global === o &&
            (n.extraHeaders &&
              Object.keys(n.extraHeaders).length > 0 &&
              (this.extraHeaders = n.extraHeaders),
            n.localAddress && (this.localAddress = n.localAddress)),
            (this.id = null),
            (this.upgrades = null),
            (this.pingInterval = null),
            (this.pingTimeout = null),
            (this.pingIntervalTimer = null),
            (this.pingTimeoutTimer = null),
            this.open();
        }
        function o(t) {
          var e = {};
          for (var n in t) t.hasOwnProperty(n) && (e[n] = t[n]);
          return e;
        }
        var i = n(17),
          s = n(8),
          a = n(3)("engine.io-client:socket"),
          c = n(37),
          p = n(23),
          u = n(2),
          h = n(38),
          f = n(31);
        (t.exports = r),
          (r.priorWebsocketSuccess = !1),
          s(r.prototype),
          (r.protocol = p.protocol),
          (r.Socket = r),
          (r.Transport = n(22)),
          (r.transports = n(17)),
          (r.parser = n(23)),
          (r.prototype.createTransport = function (t) {
            a('creating transport "%s"', t);
            var e = o(this.query);
            (e.EIO = p.protocol), (e.transport = t);
            var n = this.transportOptions[t] || {};
            this.id && (e.sid = this.id);
            var r = new i[t]({
              query: e,
              socket: this,
              agent: n.agent || this.agent,
              hostname: n.hostname || this.hostname,
              port: n.port || this.port,
              secure: n.secure || this.secure,
              path: n.path || this.path,
              forceJSONP: n.forceJSONP || this.forceJSONP,
              jsonp: n.jsonp || this.jsonp,
              forceBase64: n.forceBase64 || this.forceBase64,
              enablesXDR: n.enablesXDR || this.enablesXDR,
              timestampRequests: n.timestampRequests || this.timestampRequests,
              timestampParam: n.timestampParam || this.timestampParam,
              policyPort: n.policyPort || this.policyPort,
              pfx: n.pfx || this.pfx,
              key: n.key || this.key,
              passphrase: n.passphrase || this.passphrase,
              cert: n.cert || this.cert,
              ca: n.ca || this.ca,
              ciphers: n.ciphers || this.ciphers,
              rejectUnauthorized:
                n.rejectUnauthorized || this.rejectUnauthorized,
              perMessageDeflate: n.perMessageDeflate || this.perMessageDeflate,
              extraHeaders: n.extraHeaders || this.extraHeaders,
              forceNode: n.forceNode || this.forceNode,
              localAddress: n.localAddress || this.localAddress,
              requestTimeout: n.requestTimeout || this.requestTimeout,
              protocols: n.protocols || void 0,
            });
            return r;
          }),
          (r.prototype.open = function () {
            var t;
            if (
              this.rememberUpgrade &&
              r.priorWebsocketSuccess &&
              this.transports.indexOf("websocket") !== -1
            )
              t = "websocket";
            else {
              if (0 === this.transports.length) {
                var e = this;
                return void setTimeout(function () {
                  e.emit("error", "No transports available");
                }, 0);
              }
              t = this.transports[0];
            }
            this.readyState = "opening";
            try {
              t = this.createTransport(t);
            } catch (n) {
              return this.transports.shift(), void this.open();
            }
            t.open(), this.setTransport(t);
          }),
          (r.prototype.setTransport = function (t) {
            a("setting transport %s", t.name);
            var e = this;
            this.transport &&
              (a("clearing existing transport %s", this.transport.name),
              this.transport.removeAllListeners()),
              (this.transport = t),
              t
                .on("drain", function () {
                  e.onDrain();
                })
                .on("packet", function (t) {
                  e.onPacket(t);
                })
                .on("error", function (t) {
                  e.onError(t);
                })
                .on("close", function () {
                  e.onClose("transport close");
                });
          }),
          (r.prototype.probe = function (t) {
            function e() {
              if (f.onlyBinaryUpgrades) {
                var e = !this.supportsBinary && f.transport.supportsBinary;
                h = h || e;
              }
              h ||
                (a('probe transport "%s" opened', t),
                u.send([{ type: "ping", data: "probe" }]),
                u.once("packet", function (e) {
                  if (!h)
                    if ("pong" === e.type && "probe" === e.data) {
                      if (
                        (a('probe transport "%s" pong', t),
                        (f.upgrading = !0),
                        f.emit("upgrading", u),
                        !u)
                      )
                        return;
                      (r.priorWebsocketSuccess = "websocket" === u.name),
                        a('pausing current transport "%s"', f.transport.name),
                        f.transport.pause(function () {
                          h ||
                            ("closed" !== f.readyState &&
                              (a(
                                "changing transport and sending upgrade packet"
                              ),
                              p(),
                              f.setTransport(u),
                              u.send([{ type: "upgrade" }]),
                              f.emit("upgrade", u),
                              (u = null),
                              (f.upgrading = !1),
                              f.flush()));
                        });
                    } else {
                      a('probe transport "%s" failed', t);
                      var n = new Error("probe error");
                      (n.transport = u.name), f.emit("upgradeError", n);
                    }
                }));
            }
            function n() {
              h || ((h = !0), p(), u.close(), (u = null));
            }
            function o(e) {
              var r = new Error("probe error: " + e);
              (r.transport = u.name),
                n(),
                a('probe transport "%s" failed because of error: %s', t, e),
                f.emit("upgradeError", r);
            }
            function i() {
              o("transport closed");
            }
            function s() {
              o("socket closed");
            }
            function c(t) {
              u &&
                t.name !== u.name &&
                (a('"%s" works - aborting "%s"', t.name, u.name), n());
            }
            function p() {
              u.removeListener("open", e),
                u.removeListener("error", o),
                u.removeListener("close", i),
                f.removeListener("close", s),
                f.removeListener("upgrading", c);
            }
            a('probing transport "%s"', t);
            var u = this.createTransport(t, { probe: 1 }),
              h = !1,
              f = this;
            (r.priorWebsocketSuccess = !1),
              u.once("open", e),
              u.once("error", o),
              u.once("close", i),
              this.once("close", s),
              this.once("upgrading", c),
              u.open();
          }),
          (r.prototype.onOpen = function () {
            if (
              (a("socket open"),
              (this.readyState = "open"),
              (r.priorWebsocketSuccess = "websocket" === this.transport.name),
              this.emit("open"),
              this.flush(),
              "open" === this.readyState &&
                this.upgrade &&
                this.transport.pause)
            ) {
              a("starting upgrade probes");
              for (var t = 0, e = this.upgrades.length; t < e; t++)
                this.probe(this.upgrades[t]);
            }
          }),
          (r.prototype.onPacket = function (t) {
            if (
              "opening" === this.readyState ||
              "open" === this.readyState ||
              "closing" === this.readyState
            )
              switch (
                (a('socket receive: type "%s", data "%s"', t.type, t.data),
                this.emit("packet", t),
                this.emit("heartbeat"),
                t.type)
              ) {
                case "open":
                  this.onHandshake(h(t.data));
                  break;
                case "pong":
                  this.setPing(), this.emit("pong");
                  break;
                case "error":
                  var e = new Error("server error");
                  (e.code = t.data), this.onError(e);
                  break;
                case "message":
                  this.emit("data", t.data), this.emit("message", t.data);
              }
            else
              a('packet received with socket readyState "%s"', this.readyState);
          }),
          (r.prototype.onHandshake = function (t) {
            this.emit("handshake", t),
              (this.id = t.sid),
              (this.transport.query.sid = t.sid),
              (this.upgrades = this.filterUpgrades(t.upgrades)),
              (this.pingInterval = t.pingInterval),
              (this.pingTimeout = t.pingTimeout),
              this.onOpen(),
              "closed" !== this.readyState &&
                (this.setPing(),
                this.removeListener("heartbeat", this.onHeartbeat),
                this.on("heartbeat", this.onHeartbeat));
          }),
          (r.prototype.onHeartbeat = function (t) {
            clearTimeout(this.pingTimeoutTimer);
            var e = this;
            e.pingTimeoutTimer = setTimeout(function () {
              "closed" !== e.readyState && e.onClose("ping timeout");
            }, t || e.pingInterval + e.pingTimeout);
          }),
          (r.prototype.setPing = function () {
            var t = this;
            clearTimeout(t.pingIntervalTimer),
              (t.pingIntervalTimer = setTimeout(function () {
                a(
                  "writing ping packet - expecting pong within %sms",
                  t.pingTimeout
                ),
                  t.ping(),
                  t.onHeartbeat(t.pingTimeout);
              }, t.pingInterval));
          }),
          (r.prototype.ping = function () {
            var t = this;
            this.sendPacket("ping", function () {
              t.emit("ping");
            });
          }),
          (r.prototype.onDrain = function () {
            this.writeBuffer.splice(0, this.prevBufferLen),
              (this.prevBufferLen = 0),
              0 === this.writeBuffer.length ? this.emit("drain") : this.flush();
          }),
          (r.prototype.flush = function () {
            "closed" !== this.readyState &&
              this.transport.writable &&
              !this.upgrading &&
              this.writeBuffer.length &&
              (a("flushing %d packets in socket", this.writeBuffer.length),
              this.transport.send(this.writeBuffer),
              (this.prevBufferLen = this.writeBuffer.length),
              this.emit("flush"));
          }),
          (r.prototype.write = r.prototype.send =
            function (t, e, n) {
              return this.sendPacket("message", t, e, n), this;
            }),
          (r.prototype.sendPacket = function (t, e, n, r) {
            if (
              ("function" == typeof e && ((r = e), (e = void 0)),
              "function" == typeof n && ((r = n), (n = null)),
              "closing" !== this.readyState && "closed" !== this.readyState)
            ) {
              (n = n || {}), (n.compress = !1 !== n.compress);
              var o = { type: t, data: e, options: n };
              this.emit("packetCreate", o),
                this.writeBuffer.push(o),
                r && this.once("flush", r),
                this.flush();
            }
          }),
          (r.prototype.close = function () {
            function t() {
              r.onClose("forced close"),
                a("socket closing - telling transport to close"),
                r.transport.close();
            }
            function e() {
              r.removeListener("upgrade", e),
                r.removeListener("upgradeError", e),
                t();
            }
            function n() {
              r.once("upgrade", e), r.once("upgradeError", e);
            }
            if ("opening" === this.readyState || "open" === this.readyState) {
              this.readyState = "closing";
              var r = this;
              this.writeBuffer.length
                ? this.once("drain", function () {
                    this.upgrading ? n() : t();
                  })
                : this.upgrading
                ? n()
                : t();
            }
            return this;
          }),
          (r.prototype.onError = function (t) {
            a("socket error %j", t),
              (r.priorWebsocketSuccess = !1),
              this.emit("error", t),
              this.onClose("transport error", t);
          }),
          (r.prototype.onClose = function (t, e) {
            if (
              "opening" === this.readyState ||
              "open" === this.readyState ||
              "closing" === this.readyState
            ) {
              a('socket close with reason: "%s"', t);
              var n = this;
              clearTimeout(this.pingIntervalTimer),
                clearTimeout(this.pingTimeoutTimer),
                this.transport.removeAllListeners("close"),
                this.transport.close(),
                this.transport.removeAllListeners(),
                (this.readyState = "closed"),
                (this.id = null),
                this.emit("close", t, e),
                (n.writeBuffer = []),
                (n.prevBufferLen = 0);
            }
          }),
          (r.prototype.filterUpgrades = function (t) {
            for (var e = [], n = 0, r = t.length; n < r; n++)
              ~c(this.transports, t[n]) && e.push(t[n]);
            return e;
          });
      }).call(
        e,
        (function () {
          return this;
        })()
      );
    },
    function (t, e, n) {
      (function (t) {
        function r(e) {
          var n,
            r = !1,
            a = !1,
            c = !1 !== e.jsonp;
          if (t.location) {
            var p = "https:" === location.protocol,
              u = location.port;
            u || (u = p ? 443 : 80),
              (r = e.hostname !== location.hostname || u !== e.port),
              (a = e.secure !== p);
          }
          if (
            ((e.xdomain = r),
            (e.xscheme = a),
            (n = new o(e)),
            "open" in n && !e.forceJSONP)
          )
            return new i(e);
          if (!c) throw new Error("JSONP disabled");
          return new s(e);
        }
        var o = n(18),
          i = n(20),
          s = n(34),
          a = n(35);
        (e.polling = r), (e.websocket = a);
      }).call(
        e,
        (function () {
          return this;
        })()
      );
    },
    function (t, e, n) {
      (function (e) {
        var r = n(19);
        t.exports = function (t) {
          var n = t.xdomain,
            o = t.xscheme,
            i = t.enablesXDR;
          try {
            if ("undefined" != typeof XMLHttpRequest && (!n || r))
              return new XMLHttpRequest();
          } catch (s) {}
          try {
            if ("undefined" != typeof XDomainRequest && !o && i)
              return new XDomainRequest();
          } catch (s) {}
          if (!n)
            try {
              return new e[["Active"].concat("Object").join("X")](
                "Microsoft.XMLHTTP"
              );
            } catch (s) {}
        };
      }).call(
        e,
        (function () {
          return this;
        })()
      );
    },
    function (t, e) {
      try {
        t.exports =
          "undefined" != typeof XMLHttpRequest &&
          "withCredentials" in new XMLHttpRequest();
      } catch (n) {
        t.exports = !1;
      }
    },
    function (t, e, n) {
      (function (e) {
        function r() {}
        function o(t) {
          if (
            (c.call(this, t),
            (this.requestTimeout = t.requestTimeout),
            (this.extraHeaders = t.extraHeaders),
            e.location)
          ) {
            var n = "https:" === location.protocol,
              r = location.port;
            r || (r = n ? 443 : 80),
              (this.xd = t.hostname !== e.location.hostname || r !== t.port),
              (this.xs = t.secure !== n);
          }
        }
        function i(t) {
          (this.method = t.method || "GET"),
            (this.uri = t.uri),
            (this.xd = !!t.xd),
            (this.xs = !!t.xs),
            (this.async = !1 !== t.async),
            (this.data = void 0 !== t.data ? t.data : null),
            (this.agent = t.agent),
            (this.isBinary = t.isBinary),
            (this.supportsBinary = t.supportsBinary),
            (this.enablesXDR = t.enablesXDR),
            (this.requestTimeout = t.requestTimeout),
            (this.pfx = t.pfx),
            (this.key = t.key),
            (this.passphrase = t.passphrase),
            (this.cert = t.cert),
            (this.ca = t.ca),
            (this.ciphers = t.ciphers),
            (this.rejectUnauthorized = t.rejectUnauthorized),
            (this.extraHeaders = t.extraHeaders),
            this.create();
        }
        function s() {
          for (var t in i.requests)
            i.requests.hasOwnProperty(t) && i.requests[t].abort();
        }
        var a = n(18),
          c = n(21),
          p = n(8),
          u = n(32),
          h = n(3)("engine.io-client:polling-xhr");
        (t.exports = o),
          (t.exports.Request = i),
          u(o, c),
          (o.prototype.supportsBinary = !0),
          (o.prototype.request = function (t) {
            return (
              (t = t || {}),
              (t.uri = this.uri()),
              (t.xd = this.xd),
              (t.xs = this.xs),
              (t.agent = this.agent || !1),
              (t.supportsBinary = this.supportsBinary),
              (t.enablesXDR = this.enablesXDR),
              (t.pfx = this.pfx),
              (t.key = this.key),
              (t.passphrase = this.passphrase),
              (t.cert = this.cert),
              (t.ca = this.ca),
              (t.ciphers = this.ciphers),
              (t.rejectUnauthorized = this.rejectUnauthorized),
              (t.requestTimeout = this.requestTimeout),
              (t.extraHeaders = this.extraHeaders),
              new i(t)
            );
          }),
          (o.prototype.doWrite = function (t, e) {
            var n = "string" != typeof t && void 0 !== t,
              r = this.request({ method: "POST", data: t, isBinary: n }),
              o = this;
            r.on("success", e),
              r.on("error", function (t) {
                o.onError("xhr post error", t);
              }),
              (this.sendXhr = r);
          }),
          (o.prototype.doPoll = function () {
            h("xhr poll");
            var t = this.request(),
              e = this;
            t.on("data", function (t) {
              e.onData(t);
            }),
              t.on("error", function (t) {
                e.onError("xhr poll error", t);
              }),
              (this.pollXhr = t);
          }),
          p(i.prototype),
          (i.prototype.create = function () {
            var t = {
              agent: this.agent,
              xdomain: this.xd,
              xscheme: this.xs,
              enablesXDR: this.enablesXDR,
            };
            (t.pfx = this.pfx),
              (t.key = this.key),
              (t.passphrase = this.passphrase),
              (t.cert = this.cert),
              (t.ca = this.ca),
              (t.ciphers = this.ciphers),
              (t.rejectUnauthorized = this.rejectUnauthorized);
            var n = (this.xhr = new a(t)),
              r = this;
            try {
              h("xhr open %s: %s", this.method, this.uri),
                n.open(this.method, this.uri, this.async);
              try {
                if (this.extraHeaders) {
                  n.setDisableHeaderCheck && n.setDisableHeaderCheck(!0);
                  for (var o in this.extraHeaders)
                    this.extraHeaders.hasOwnProperty(o) &&
                      n.setRequestHeader(o, this.extraHeaders[o]);
                }
              } catch (s) {}
              if ("POST" === this.method)
                try {
                  this.isBinary
                    ? n.setRequestHeader(
                        "Content-type",
                        "application/octet-stream"
                      )
                    : n.setRequestHeader(
                        "Content-type",
                        "text/plain;charset=UTF-8"
                      );
                } catch (s) {}
              try {
                n.setRequestHeader("Accept", "*/*");
              } catch (s) {}
              "withCredentials" in n && (n.withCredentials = !0),
                this.requestTimeout && (n.timeout = this.requestTimeout),
                this.hasXDR()
                  ? ((n.onload = function () {
                      r.onLoad();
                    }),
                    (n.onerror = function () {
                      r.onError(n.responseText);
                    }))
                  : (n.onreadystatechange = function () {
                      if (2 === n.readyState) {
                        var t;
                        try {
                          t = n.getResponseHeader("Content-Type");
                        } catch (e) {}
                        "application/octet-stream" === t &&
                          (n.responseType = "arraybuffer");
                      }
                      4 === n.readyState &&
                        (200 === n.status || 1223 === n.status
                          ? r.onLoad()
                          : setTimeout(function () {
                              r.onError(n.status);
                            }, 0));
                    }),
                h("xhr data %s", this.data),
                n.send(this.data);
            } catch (s) {
              return void setTimeout(function () {
                r.onError(s);
              }, 0);
            }
            e.document &&
              ((this.index = i.requestsCount++),
              (i.requests[this.index] = this));
          }),
          (i.prototype.onSuccess = function () {
            this.emit("success"), this.cleanup();
          }),
          (i.prototype.onData = function (t) {
            this.emit("data", t), this.onSuccess();
          }),
          (i.prototype.onError = function (t) {
            this.emit("error", t), this.cleanup(!0);
          }),
          (i.prototype.cleanup = function (t) {
            if ("undefined" != typeof this.xhr && null !== this.xhr) {
              if (
                (this.hasXDR()
                  ? (this.xhr.onload = this.xhr.onerror = r)
                  : (this.xhr.onreadystatechange = r),
                t)
              )
                try {
                  this.xhr.abort();
                } catch (n) {}
              e.document && delete i.requests[this.index], (this.xhr = null);
            }
          }),
          (i.prototype.onLoad = function () {
            var t;
            try {
              var e;
              try {
                e = this.xhr.getResponseHeader("Content-Type");
              } catch (n) {}
              t =
                "application/octet-stream" === e
                  ? this.xhr.response || this.xhr.responseText
                  : this.xhr.responseText;
            } catch (n) {
              this.onError(n);
            }
            null != t && this.onData(t);
          }),
          (i.prototype.hasXDR = function () {
            return (
              "undefined" != typeof e.XDomainRequest &&
              !this.xs &&
              this.enablesXDR
            );
          }),
          (i.prototype.abort = function () {
            this.cleanup();
          }),
          (i.requestsCount = 0),
          (i.requests = {}),
          e.document &&
            (e.attachEvent
              ? e.attachEvent("onunload", s)
              : e.addEventListener &&
                e.addEventListener("beforeunload", s, !1));
      }).call(
        e,
        (function () {
          return this;
        })()
      );
    },
    function (t, e, n) {
      function r(t) {
        var e = t && t.forceBase64;
        (u && !e) || (this.supportsBinary = !1), o.call(this, t);
      }
      var o = n(22),
        i = n(31),
        s = n(23),
        a = n(32),
        c = n(33),
        p = n(3)("engine.io-client:polling");
      t.exports = r;
      var u = (function () {
        var t = n(18),
          e = new t({ xdomain: !1 });
        return null != e.responseType;
      })();
      a(r, o),
        (r.prototype.name = "polling"),
        (r.prototype.doOpen = function () {
          this.poll();
        }),
        (r.prototype.pause = function (t) {
          function e() {
            p("paused"), (n.readyState = "paused"), t();
          }
          var n = this;
          if (((this.readyState = "pausing"), this.polling || !this.writable)) {
            var r = 0;
            this.polling &&
              (p("we are currently polling - waiting to pause"),
              r++,
              this.once("pollComplete", function () {
                p("pre-pause polling complete"), --r || e();
              })),
              this.writable ||
                (p("we are currently writing - waiting to pause"),
                r++,
                this.once("drain", function () {
                  p("pre-pause writing complete"), --r || e();
                }));
          } else e();
        }),
        (r.prototype.poll = function () {
          p("polling"), (this.polling = !0), this.doPoll(), this.emit("poll");
        }),
        (r.prototype.onData = function (t) {
          var e = this;
          p("polling got data %s", t);
          var n = function (t, n, r) {
            return (
              "opening" === e.readyState && e.onOpen(),
              "close" === t.type ? (e.onClose(), !1) : void e.onPacket(t)
            );
          };
          s.decodePayload(t, this.socket.binaryType, n),
            "closed" !== this.readyState &&
              ((this.polling = !1),
              this.emit("pollComplete"),
              "open" === this.readyState
                ? this.poll()
                : p('ignoring poll - transport state "%s"', this.readyState));
        }),
        (r.prototype.doClose = function () {
          function t() {
            p("writing close packet"), e.write([{ type: "close" }]);
          }
          var e = this;
          "open" === this.readyState
            ? (p("transport open - closing"), t())
            : (p("transport not open - deferring close"), this.once("open", t));
        }),
        (r.prototype.write = function (t) {
          var e = this;
          this.writable = !1;
          var n = function () {
            (e.writable = !0), e.emit("drain");
          };
          s.encodePayload(t, this.supportsBinary, function (t) {
            e.doWrite(t, n);
          });
        }),
        (r.prototype.uri = function () {
          var t = this.query || {},
            e = this.secure ? "https" : "http",
            n = "";
          !1 !== this.timestampRequests && (t[this.timestampParam] = c()),
            this.supportsBinary || t.sid || (t.b64 = 1),
            (t = i.encode(t)),
            this.port &&
              (("https" === e && 443 !== Number(this.port)) ||
                ("http" === e && 80 !== Number(this.port))) &&
              (n = ":" + this.port),
            t.length && (t = "?" + t);
          var r = this.hostname.indexOf(":") !== -1;
          return (
            e +
            "://" +
            (r ? "[" + this.hostname + "]" : this.hostname) +
            n +
            this.path +
            t
          );
        });
    },
    function (t, e, n) {
      function r(t) {
        (this.path = t.path),
          (this.hostname = t.hostname),
          (this.port = t.port),
          (this.secure = t.secure),
          (this.query = t.query),
          (this.timestampParam = t.timestampParam),
          (this.timestampRequests = t.timestampRequests),
          (this.readyState = ""),
          (this.agent = t.agent || !1),
          (this.socket = t.socket),
          (this.enablesXDR = t.enablesXDR),
          (this.pfx = t.pfx),
          (this.key = t.key),
          (this.passphrase = t.passphrase),
          (this.cert = t.cert),
          (this.ca = t.ca),
          (this.ciphers = t.ciphers),
          (this.rejectUnauthorized = t.rejectUnauthorized),
          (this.forceNode = t.forceNode),
          (this.extraHeaders = t.extraHeaders),
          (this.localAddress = t.localAddress);
      }
      var o = n(23),
        i = n(8);
      (t.exports = r),
        i(r.prototype),
        (r.prototype.onError = function (t, e) {
          var n = new Error(t);
          return (
            (n.type = "TransportError"),
            (n.description = e),
            this.emit("error", n),
            this
          );
        }),
        (r.prototype.open = function () {
          return (
            ("closed" !== this.readyState && "" !== this.readyState) ||
              ((this.readyState = "opening"), this.doOpen()),
            this
          );
        }),
        (r.prototype.close = function () {
          return (
            ("opening" !== this.readyState && "open" !== this.readyState) ||
              (this.doClose(), this.onClose()),
            this
          );
        }),
        (r.prototype.send = function (t) {
          if ("open" !== this.readyState) throw new Error("Transport not open");
          this.write(t);
        }),
        (r.prototype.onOpen = function () {
          (this.readyState = "open"), (this.writable = !0), this.emit("open");
        }),
        (r.prototype.onData = function (t) {
          var e = o.decodePacket(t, this.socket.binaryType);
          this.onPacket(e);
        }),
        (r.prototype.onPacket = function (t) {
          this.emit("packet", t);
        }),
        (r.prototype.onClose = function () {
          (this.readyState = "closed"), this.emit("close");
        });
    },
    function (t, e, n) {
      (function (t) {
        function r(t, n) {
          var r = "b" + e.packets[t.type] + t.data.data;
          return n(r);
        }
        function o(t, n, r) {
          if (!n) return e.encodeBase64Packet(t, r);
          var o = t.data,
            i = new Uint8Array(o),
            s = new Uint8Array(1 + o.byteLength);
          s[0] = v[t.type];
          for (var a = 0; a < i.length; a++) s[a + 1] = i[a];
          return r(s.buffer);
        }
        function i(t, n, r) {
          if (!n) return e.encodeBase64Packet(t, r);
          var o = new FileReader();
          return (
            (o.onload = function () {
              (t.data = o.result), e.encodePacket(t, n, !0, r);
            }),
            o.readAsArrayBuffer(t.data)
          );
        }
        function s(t, n, r) {
          if (!n) return e.encodeBase64Packet(t, r);
          if (g) return i(t, n, r);
          var o = new Uint8Array(1);
          o[0] = v[t.type];
          var s = new k([o.buffer, t.data]);
          return r(s);
        }
        function a(t) {
          try {
            t = d.decode(t, { strict: !1 });
          } catch (e) {
            return !1;
          }
          return t;
        }
        function c(t, e, n) {
          for (
            var r = new Array(t.length),
              o = l(t.length, n),
              i = function (t, n, o) {
                e(n, function (e, n) {
                  (r[t] = n), o(e, r);
                });
              },
              s = 0;
            s < t.length;
            s++
          )
            i(s, t[s], o);
        }
        var p,
          u = n(24),
          h = n(9),
          f = n(25),
          l = n(26),
          d = n(27);
        t && t.ArrayBuffer && (p = n(29));
        var y =
            "undefined" != typeof navigator &&
            /Android/i.test(navigator.userAgent),
          m =
            "undefined" != typeof navigator &&
            /PhantomJS/i.test(navigator.userAgent),
          g = y || m;
        e.protocol = 3;
        var v = (e.packets = {
            open: 0,
            close: 1,
            ping: 2,
            pong: 3,
            message: 4,
            upgrade: 5,
            noop: 6,
          }),
          b = u(v),
          w = { type: "error", data: "parser error" },
          k = n(30);
        (e.encodePacket = function (e, n, i, a) {
          "function" == typeof n && ((a = n), (n = !1)),
            "function" == typeof i && ((a = i), (i = null));
          var c = void 0 === e.data ? void 0 : e.data.buffer || e.data;
          if (t.ArrayBuffer && c instanceof ArrayBuffer) return o(e, n, a);
          if (k && c instanceof t.Blob) return s(e, n, a);
          if (c && c.base64) return r(e, a);
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          (r.prototype.doOpen = function () {
            if (this.check()) {
              var t = this.uri(),
                e = this.protocols,
                n = {
                  agent: this.agent,
                  perMessageDeflate: this.perMessageDeflate,
                };
              (n.pfx = this.pfx),
                (n.key = this.key),
                (n.passphrase = this.passphrase),
                (n.cert = this.cert),
                (n.ca = this.ca),
                (n.ciphers = this.ciphers),
                (n.rejectUnauthorized = this.rejectUnauthorized),
                this.extraHeaders && (n.headers = this.extraHeaders),
                this.localAddress && (n.localAddress = this.localAddress);
              try {
                this.ws = this.usingBrowserWebSocket
                  ? e
                    ? new l(t, e)
                    : new l(t)
                  : new l(t, e, n);
              } catch (r) {
                return this.emit("error", r);
              }
              void 0 === this.ws.binaryType && (this.supportsBinary = !1),
                this.ws.supports && this.ws.supports.binary
                  ? ((this.supportsBinary = !0),
                    (this.ws.binaryType = "nodebuffer"))
                  : (this.ws.binaryType = "arraybuffer"),
                this.addEventListeners();
            }
          }),
          (r.prototype.addEventListeners = function () {
            var t = this;
            (this.ws.onopen = function () {
              t.onOpen();
            }),
              (this.ws.onclose = function () {
                t.onClose();
              }),
              (this.ws.onmessage = function (e) {
                t.onData(e.data);
              }),
              (this.ws.onerror = function (e) {
                t.onError("websocket error", e);
              });
          }),
          (r.prototype.write = function (t) {
            function n() {
              r.emit("flush"),
                setTimeout(function () {
                  (r.writable = !0), r.emit("drain");
                }, 0);
            }
            var r = this;
            this.writable = !1;
            for (var o = t.length, i = 0, a = o; i < a; i++)
              !(function (t) {
                s.encodePacket(t, r.supportsBinary, function (i) {
                  if (!r.usingBrowserWebSocket) {
                    var s = {};
                    if (
                      (t.options && (s.compress = t.options.compress),
                      r.perMessageDeflate)
                    ) {
                      var a =
                        "string" == typeof i
                          ? e.Buffer.byteLength(i)
                          : i.length;
                      a < r.perMessageDeflate.threshold && (s.compress = !1);
                    }
                  }
                  try {
                    r.usingBrowserWebSocket ? r.ws.send(i) : r.ws.send(i, s);
                  } catch (c) {
                    u("websocket closed before onclose event");
                  }
                  --o || n();
                });
              })(t[i]);
          }),
          (r.prototype.onClose = function () {
            i.prototype.onClose.call(this);
          }),
          (r.prototype.doClose = function () {
            "undefined" != typeof this.ws && this.ws.close();
          }),
          (r.prototype.uri = function () {
            var t = this.query || {},
              e = this.secure ? "wss" : "ws",
              n = "";
            this.port &&
              (("wss" === e && 443 !== Number(this.port)) ||
                ("ws" === e && 80 !== Number(this.port))) &&
              (n = ":" + this.port),
              this.timestampRequests && (t[this.timestampParam] = p()),
              this.supportsBinary || (t.b64 = 1),
              (t = a.encode(t)),
              t.length && (t = "?" + t);
            var r = this.hostname.indexOf(":") !== -1;
            return (
              e +
              "://" +
              (r ? "[" + this.hostname + "]" : this.hostname) +
              n +
              this.path +
              t
            );
          }),
          (r.prototype.check = function () {
            return !(
              !l ||
              ("__initialize" in l && this.name === r.prototype.name)
            );
          });
      }).call(
        e,
        (function () {
          return this;
        })()
      );
    },
    function (t, e) {},
    function (t, e) {
      var n = [].indexOf;
      t.exports = function (t, e) {
        if (n) return t.indexOf(e);
        for (var r = 0; r < t.length; ++r) if (t[r] === e) return r;
        return -1;
      };
    },
    function (t, e) {
      (function (e) {
        var n = /^[\],:{}\s]*$/,
          r = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,
          o =
            /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,
          i = /(?:^|:|,)(?:\s*\[)+/g,
          s = /^\s+/,
          a = /\s+$/;
        t.exports = function (t) {
          return "string" == typeof t && t
            ? ((t = t.replace(s, "").replace(a, "")),
              e.JSON && JSON.parse
                ? JSON.parse(t)
                : n.test(t.replace(r, "@").replace(o, "]").replace(i, ""))
                ? new Function("return " + t)()
                : void 0)
            : null;
        };
      }).call(
        e,
        (function () {
          return this;
        })()
      );
    },
    function (t, e, n) {
      "use strict";
      function r(t, e, n) {
        (this.io = t),
          (this.nsp = e),
          (this.json = this),
          (this.ids = 0),
          (this.acks = {}),
          (this.receiveBuffer = []),
          (this.sendBuffer = []),
          (this.connected = !1),
          (this.disconnected = !0),
          n && n.query && (this.query = n.query),
          this.io.autoConnect && this.open();
      }
      var o =
          "function" == typeof Symbol && "symbol" == typeof Symbol.iterator
            ? function (t) {
                return typeof t;
              }
            : function (t) {
                return t &&
                  "function" == typeof Symbol &&
                  t.constructor === Symbol &&
                  t !== Symbol.prototype
                  ? "symbol"
                  : typeof t;
              },
        i = n(7),
        s = n(8),
        a = n(40),
        c = n(41),
        p = n(42),
        u = n(3)("socket.io-client:socket"),
        h = n(31);
      t.exports = e = r;
      var f = {
          connect: 1,
          connect_error: 1,
          connect_timeout: 1,
          connecting: 1,
          disconnect: 1,
          error: 1,
          reconnect: 1,
          reconnect_attempt: 1,
          reconnect_failed: 1,
          reconnect_error: 1,
          reconnecting: 1,
          ping: 1,
          pong: 1,
        },
        l = s.prototype.emit;
      s(r.prototype),
        (r.prototype.subEvents = function () {
          if (!this.subs) {
            var t = this.io;
            this.subs = [
              c(t, "open", p(this, "onopen")),
              c(t, "packet", p(this, "onpacket")),
              c(t, "close", p(this, "onclose")),
            ];
          }
        }),
        (r.prototype.open = r.prototype.connect =
          function () {
            return this.connected
              ? this
              : (this.subEvents(),
                this.io.open(),
                "open" === this.io.readyState && this.onopen(),
                this.emit("connecting"),
                this);
          }),
        (r.prototype.send = function () {
          var t = a(arguments);
          return t.unshift("message"), this.emit.apply(this, t), this;
        }),
        (r.prototype.emit = function (t) {
          if (f.hasOwnProperty(t)) return l.apply(this, arguments), this;
          var e = a(arguments),
            n = { type: i.EVENT, data: e };
          return (
            (n.options = {}),
            (n.options.compress = !this.flags || !1 !== this.flags.compress),
            "function" == typeof e[e.length - 1] &&
              (u("emitting packet with ack id %d", this.ids),
              (this.acks[this.ids] = e.pop()),
              (n.id = this.ids++)),
            this.connected ? this.packet(n) : this.sendBuffer.push(n),
            delete this.flags,
            this
          );
        }),
        (r.prototype.packet = function (t) {
          (t.nsp = this.nsp), this.io.packet(t);
        }),
        (r.prototype.onopen = function () {
          if ((u("transport is open - connecting"), "/" !== this.nsp))
            if (this.query) {
              var t =
                "object" === o(this.query) ? h.encode(this.query) : this.query;
              u("sending connect packet with query %s", t),
                this.packet({ type: i.CONNECT, query: t });
            } else this.packet({ type: i.CONNECT });
        }),
        (r.prototype.onclose = function (t) {
          u("close (%s)", t),
            (this.connected = !1),
            (this.disconnected = !0),
            delete this.id,
            this.emit("disconnect", t);
        }),
        (r.prototype.onpacket = function (t) {
          if (t.nsp === this.nsp)
            switch (t.type) {
              case i.CONNECT:
                this.onconnect();
                break;
              case i.EVENT:
                this.onevent(t);
                break;
              case i.BINARY_EVENT:
                this.onevent(t);
                break;
              case i.ACK:
                this.onack(t);
                break;
              case i.BINARY_ACK:
                this.onack(t);
                break;
              case i.DISCONNECT:
                this.ondisconnect();
                break;
              case i.ERROR:
                this.emit("error", t.data);
            }
        }),
        (r.prototype.onevent = function (t) {
          var e = t.data || [];
          u("emitting event %j", e),
            null != t.id &&
              (u("attaching ack callback to event"), e.push(this.ack(t.id))),
            this.connected ? l.apply(this, e) : this.receiveBuffer.push(e);
        }),
        (r.prototype.ack = function (t) {
          var e = this,
            n = !1;
          return function () {
            if (!n) {
              n = !0;
              var r = a(arguments);
              u("sending ack %j", r), e.packet({ type: i.ACK, id: t, data: r });
            }
          };
        }),
        (r.prototype.onack = function (t) {
          var e = this.acks[t.id];
          "function" == typeof e
            ? (u("calling ack %s with %j", t.id, t.data),
              e.apply(this, t.data),
              delete this.acks[t.id])
            : u("bad ack %s", t.id);
        }),
        (r.prototype.onconnect = function () {
          (this.connected = !0),
            (this.disconnected = !1),
            this.emit("connect"),
            this.emitBuffered();
        }),
        (r.prototype.emitBuffered = function () {
          var t;
          for (t = 0; t < this.receiveBuffer.length; t++)
            l.apply(this, this.receiveBuffer[t]);
          for (this.receiveBuffer = [], t = 0; t < this.sendBuffer.length; t++)
            this.packet(this.sendBuffer[t]);
          this.sendBuffer = [];
        }),
        (r.prototype.ondisconnect = function () {
          u("server disconnect (%s)", this.nsp),
            this.destroy(),
            this.onclose("io server disconnect");
        }),
        (r.prototype.destroy = function () {
          if (this.subs) {
            for (var t = 0; t < this.subs.length; t++) this.subs[t].destroy();
            this.subs = null;
          }
          this.io.destroy(this);
        }),
        (r.prototype.close = r.prototype.disconnect =
          function () {
            return (
              this.connected &&
                (u("performing disconnect (%s)", this.nsp),
                this.packet({ type: i.DISCONNECT })),
              this.destroy(),
              this.connected && this.onclose("io client disconnect"),
              this
            );
          }),
        (r.prototype.compress = function (t) {
          return (
            (this.flags = this.flags || {}), (this.flags.compress = t), this
          );
        });
    },
    function (t, e) {
      function n(t, e) {
        var n = [];
        e = e || 0;
        for (var r = e || 0; r < t.length; r++) n[r - e] = t[r];
        return n;
      }
      t.exports = n;
    },
    function (t, e) {
      "use strict";
      function n(t, e, n) {
        return (
          t.on(e, n),
          {
            destroy: function () {
              t.removeListener(e, n);
            },
          }
        );
      }
      t.exports = n;
    },
    function (t, e) {
      var n = [].slice;
      t.exports = function (t, e) {
        if (("string" == typeof e && (e = t[e]), "function" != typeof e))
          throw new Error("bind() requires a function");
        var r = n.call(arguments, 2);
        return function () {
          return e.apply(t, r.concat(n.call(arguments)));
        };
      };
    },
    function (t, e) {
      function n(t) {
        (t = t || {}),
          (this.ms = t.min || 100),
          (this.max = t.max || 1e4),
          (this.factor = t.factor || 2),
          (this.jitter = t.jitter > 0 && t.jitter <= 1 ? t.jitter : 0),
          (this.attempts = 0);
      }
      (t.exports = n),
        (n.prototype.duration = function () {
          var t = this.ms * Math.pow(this.factor, this.attempts++);
          if (this.jitter) {
            var e = Math.random(),
              n = Math.floor(e * this.jitter * t);
            t = 0 == (1 & Math.floor(10 * e)) ? t - n : t + n;
          }
          return 0 | Math.min(t, this.max);
        }),
        (n.prototype.reset = function () {
          this.attempts = 0;
        }),
        (n.prototype.setMin = function (t) {
          this.ms = t;
        }),
        (n.prototype.setMax = function (t) {
          this.max = t;
        }),
        (n.prototype.setJitter = function (t) {
          this.jitter = t;
        });
    },
  ]);
});
//# sourceMappingURL=socket.io.js.map