wxmini/utils/mqtt.js

! function (e) {
  if ("object" == typeof exports && "undefined" != typeof module) module.exports = e();
  else if ("function" == typeof define && define.amd) define([], e);
  else {
    ("undefined" != typeof window ? window : "undefined" != typeof global ? global : "undefined" != typeof self ? self : this).mqtt = e()
  }
}(function () {
  return function () {
    return function e(t, r, n) {
      function i(s, a) {
        if (!r[s]) {
          if (!t[s]) {
            var c = "function" == typeof require && require;
            if (!a && c) return c(s, !0);
            if (o) return o(s, !0);
            var u = new Error("Cannot find module '" + s + "'");
            throw u.code = "MODULE_NOT_FOUND", u
          }
          var l = r[s] = {
            exports: {}
          };
          t[s][0].call(l.exports, function (e) {
            return i(t[s][1][e] || e)
          }, l, l.exports, e, t, r, n)
        }
        return r[s].exports
      }
      for (var o = "function" == typeof require && require, s = 0; s < n.length; s++) i(n[s]);
      return i
    }
  }()({
    1: [function (e, t, r) {
      (function (r, n) {
        "use strict";
        var i = e("events").EventEmitter,
          o = e("./store"),
          s = e("mqtt-packet"),
          a = e("readable-stream").Writable,
          c = e("inherits"),
          u = e("reinterval"),
          l = e("./validations"),
          f = e("xtend"),
          p = e("debug")("mqttjs:client"),
          h = r ? r.nextTick : function (e) {
            setTimeout(e, 0)
          },
          d = n.setImmediate || function (e) {
            h(e)
          },
          g = {
            keepalive: 60,
            reschedulePings: !0,
            protocolId: "MQTT",
            protocolVersion: 4,
            reconnectPeriod: 1e3,
            connectTimeout: 3e4,
            clean: !0,
            resubscribe: !0
          },
          b = ["ECONNREFUSED", "EADDRINUSE", "ECONNRESET", "ENOTFOUND"],
          m = {
            0: "",
            1: "Unacceptable protocol version",
            2: "Identifier rejected",
            3: "Server unavailable",
            4: "Bad username or password",
            5: "Not authorized",
            16: "No matching subscribers",
            17: "No subscription existed",
            128: "Unspecified error",
            129: "Malformed Packet",
            130: "Protocol Error",
            131: "Implementation specific error",
            132: "Unsupported Protocol Version",
            133: "Client Identifier not valid",
            134: "Bad User Name or Password",
            135: "Not authorized",
            136: "Server unavailable",
            137: "Server busy",
            138: "Banned",
            139: "Server shutting down",
            140: "Bad authentication method",
            141: "Keep Alive timeout",
            142: "Session taken over",
            143: "Topic Filter invalid",
            144: "Topic Name invalid",
            145: "Packet identifier in use",
            146: "Packet Identifier not found",
            147: "Receive Maximum exceeded",
            148: "Topic Alias invalid",
            149: "Packet too large",
            150: "Message rate too high",
            151: "Quota exceeded",
            152: "Administrative action",
            153: "Payload format invalid",
            154: "Retain not supported",
            155: "QoS not supported",
            156: "Use another server",
            157: "Server moved",
            158: "Shared Subscriptions not supported",
            159: "Connection rate exceeded",
            160: "Maximum connect time",
            161: "Subscription Identifiers not supported",
            162: "Wildcard Subscriptions not supported"
          };

        function y(e, t, r) {
          p("sendPacket :: packet: %O", t), p("sendPacket :: emitting `packetsend`"), e.emit("packetsend", t), p("sendPacket :: writing to stream");
          var n = s.writeToStream(t, e.stream, e.options);
          p("sendPacket :: writeToStream result %s", n), !n && r ? (p("sendPacket :: handle events on `drain` once through callback."), e.stream.once("drain", r)) : r && (p("sendPacket :: invoking cb"), r())
        }

        function _(e, t, r, n) {
          p("storeAndSend :: store packet with cmd %s to outgoingStore", t.cmd), e.outgoingStore.put(t, function (i) {
            if (i) return r && r(i);
            n(), y(e, t, r)
          })
        }

        function v(e) {
          p("nop ::", e)
        }

        function w(e, t) {
          var r, n = this;
          if (!(this instanceof w)) return new w(e, t);
          for (r in this.options = t || {}, g) void 0 === this.options[r] ? this.options[r] = g[r] : this.options[r] = t[r];
          p("MqttClient :: options.protocol", t.protocol), p("MqttClient :: options.protocolVersion", t.protocolVersion), p("MqttClient :: options.username", t.username), p("MqttClient :: options.keepalive", t.keepalive), p("MqttClient :: options.reconnectPeriod", t.reconnectPeriod), p("MqttClient :: options.rejectUnauthorized", t.rejectUnauthorized), this.options.clientId = "string" == typeof t.clientId ? t.clientId : "mqttjs_" + Math.random().toString(16).substr(2, 8), p("MqttClient :: clientId", this.options.clientId), this.options.customHandleAcks = 5 === t.protocolVersion && t.customHandleAcks ? t.customHandleAcks : function () {
            arguments[3](0)
          }, this.streamBuilder = e, this.outgoingStore = t.outgoingStore || new o, this.incomingStore = t.incomingStore || new o, this.queueQoSZero = void 0 === t.queueQoSZero || t.queueQoSZero, this._resubscribeTopics = {}, this.messageIdToTopic = {}, this.pingTimer = null, this.connected = !1, this.disconnecting = !1, this.queue = [], this.connackTimer = null, this.reconnectTimer = null, this._storeProcessing = !1, this._packetIdsDuringStoreProcessing = {}, this.nextId = Math.max(1, Math.floor(65535 * Math.random())), this.outgoing = {}, this._firstConnection = !0, this.on("connect", function () {
            var e = this.queue;
            p("connect :: sending queued packets"),
              function t() {
                var r = e.shift();
                p("deliver :: entry %o", r);
                var i;
                r && (i = r.packet, p("deliver :: call _sendPacket for %o", i), n._sendPacket(i, function (e) {
                  r.cb && r.cb(e), t()
                }))
              }()
          }), this.on("close", function () {
            p("close :: connected set to `false`"), this.connected = !1, p("close :: clearing connackTimer"), clearTimeout(this.connackTimer), p("close :: clearing ping timer"), null !== n.pingTimer && (n.pingTimer.clear(), n.pingTimer = null), p("close :: calling _setupReconnect"), this._setupReconnect()
          }), i.call(this), p("MqttClient :: setting up stream"), this._setupStream()
        }
        c(w, i), w.prototype._setupStream = function () {
          var e, t = this,
            r = new a,
            n = s.parser(this.options),
            i = null,
            o = [];

          function c() {
            if (o.length) h(u);
            else {
              var e = i;
              i = null, e()
            }
          }

          function u() {
            p("work :: getting next packet in queue");
            var e = o.shift();
            if (e) p("work :: packet pulled from queue"), t._handlePacket(e, c);
            else {
              p("work :: no packets in queue");
              var r = i;
              i = null, p("work :: done flag is %s", !!r), r && r()
            }
          }
          if (p("_setupStream :: calling method to clear reconnect"), this._clearReconnect(), p("_setupStream :: using streamBuilder provided to client to create stream"), this.stream = this.streamBuilder(this), n.on("packet", function (e) {
              p("parser :: on packet push to packets array."), o.push(e)
            }), r._write = function (e, t, r) {
              i = r, p("writable stream :: parsing buffer"), n.parse(e), u()
            }, p("_setupStream :: pipe stream to writable stream"), this.stream.pipe(r), this.stream.on("error", function (e) {
              p("streamErrorHandler :: error", e.message), b.includes(e.code) ? (p("streamErrorHandler :: emitting error"), t.emit("error", e)) : v(e)
            }), this.stream.on("close", function () {
              var e;
              p("(%s)stream :: on close", t.options.clientId), (e = t.outgoing) && (p("flushVolatile :: deleting volatile messages from the queue and setting their callbacks as error function"), Object.keys(e).forEach(function (t) {
                e[t].volatile && "function" == typeof e[t].cb && (e[t].cb(new Error("Connection closed")), delete e[t])
              })), p("stream: emit close to MqttClient"), t.emit("close")
            }), p("_setupStream: sending packet `connect`"), (e = Object.create(this.options)).cmd = "connect", y(this, e), n.on("error", this.emit.bind(this, "error")), this.options.properties) {
            if (!this.options.properties.authenticationMethod && this.options.properties.authenticationData) return t.end(() => this.emit("error", new Error("Packet has no Authentication Method"))), this;
            if (this.options.properties.authenticationMethod && this.options.authPacket && "object" == typeof this.options.authPacket) y(this, f({
              cmd: "auth",
              reasonCode: 0
            }, this.options.authPacket))
          }
          this.stream.setMaxListeners(1e3), clearTimeout(this.connackTimer), this.connackTimer = setTimeout(function () {
            p("!!connectTimeout hit!! Calling _cleanUp with force `true`"), t._cleanUp(!0)
          }, this.options.connectTimeout)
        }, w.prototype._handlePacket = function (e, t) {
          var r = this.options;
          if (5 === r.protocolVersion && r.properties && r.properties.maximumPacketSize && r.properties.maximumPacketSize < e.length) return this.emit("error", new Error("exceeding packets size " + e.cmd)), this.end({
            reasonCode: 149,
            properties: {
              reasonString: "Maximum packet size was exceeded"
            }
          }), this;
          switch (p("_handlePacket :: emitting packetreceive"), this.emit("packetreceive", e), e.cmd) {
            case "publish":
              this._handlePublish(e, t);
              break;
            case "puback":
            case "pubrec":
            case "pubcomp":
            case "suback":
            case "unsuback":
              this._handleAck(e), t();
              break;
            case "pubrel":
              this._handlePubrel(e, t);
              break;
            case "connack":
              this._handleConnack(e), t();
              break;
            case "pingresp":
              this._handlePingresp(e), t();
              break;
            case "disconnect":
              this._handleDisconnect(e), t()
          }
        }, w.prototype._checkDisconnecting = function (e) {
          return this.disconnecting && (e ? e(new Error("client disconnecting")) : this.emit("error", new Error("client disconnecting"))), this.disconnecting
        }, w.prototype.publish = function (e, t, r, n) {
          var i;
          p("publish :: message `%s` to topic `%s`", t, e);
          var o = this.options;
          "function" == typeof r && (n = r, r = null);
          if (r = f({
              qos: 0,
              retain: !1,
              dup: !1
            }, r), this._checkDisconnecting(n)) return this;
          switch (i = {
              cmd: "publish",
              topic: e,
              payload: t,
              qos: r.qos,
              retain: r.retain,
              messageId: this._nextId(),
              dup: r.dup
            }, 5 === o.protocolVersion && (i.properties = r.properties, (!o.properties && i.properties && i.properties.topicAlias || r.properties && o.properties && (r.properties.topicAlias && o.properties.topicAliasMaximum && r.properties.topicAlias > o.properties.topicAliasMaximum || !o.properties.topicAliasMaximum && r.properties.topicAlias)) && delete i.properties.topicAlias), p("publish :: qos", r.qos), r.qos) {
            case 1:
            case 2:
              this.outgoing[i.messageId] = {
                volatile: !1,
                cb: n || v
              }, this._storeProcessing ? (p("_storeProcessing enabled"), this._packetIdsDuringStoreProcessing[i.messageId] = !1, this._storePacket(i, void 0, r.cbStorePut)) : (p("MqttClient:publish: packet cmd: %s", i.cmd), this._sendPacket(i, void 0, r.cbStorePut));
              break;
            default:
              this._storeProcessing ? (p("_storeProcessing enabled"), this._storePacket(i, n, r.cbStorePut)) : (p("MqttClient:publish: packet cmd: %s", i.cmd), this._sendPacket(i, n, r.cbStorePut))
          }
          return this
        }, w.prototype.subscribe = function () {
          for (var e, t = new Array(arguments.length), r = 0; r < arguments.length; r++) t[r] = arguments[r];
          var n, i = [],
            o = t.shift(),
            s = o.resubscribe,
            a = t.pop() || v,
            c = t.pop(),
            u = this,
            h = this.options.protocolVersion;
          if (delete o.resubscribe, "string" == typeof o && (o = [o]), "function" != typeof a && (c = a, a = v), null !== (n = l.validateTopics(o))) return d(a, new Error("Invalid topic " + n)), this;
          if (this._checkDisconnecting(a)) return p("subscribe: discconecting true"), this;
          var g = {
            qos: 0
          };
          if (5 === h && (g.nl = !1, g.rap = !1, g.rh = 0), c = f(g, c), Array.isArray(o) ? o.forEach(function (e) {
              if (p("subscribe: array topic %s", e), !u._resubscribeTopics.hasOwnProperty(e) || u._resubscribeTopics[e].qos < c.qos || s) {
                var t = {
                  topic: e,
                  qos: c.qos
                };
                5 === h && (t.nl = c.nl, t.rap = c.rap, t.rh = c.rh, t.properties = c.properties), p("subscribe: pushing topic `%s` and qos `%s` to subs list", t.topic, t.qos), i.push(t)
              }
            }) : Object.keys(o).forEach(function (e) {
              if (p("subscribe: object topic %s", e), !u._resubscribeTopics.hasOwnProperty(e) || u._resubscribeTopics[e].qos < o[e].qos || s) {
                var t = {
                  topic: e,
                  qos: o[e].qos
                };
                5 === h && (t.nl = o[e].nl, t.rap = o[e].rap, t.rh = o[e].rh, t.properties = c.properties), p("subscribe: pushing `%s` to subs list", t), i.push(t)
              }
            }), e = {
              cmd: "subscribe",
              subscriptions: i,
              qos: 1,
              retain: !1,
              dup: !1,
              messageId: this._nextId()
            }, c.properties && (e.properties = c.properties), i.length) {
            if (this.options.resubscribe) {
              p("subscribe :: resubscribe true");
              var b = [];
              i.forEach(function (e) {
                if (u.options.reconnectPeriod > 0) {
                  var t = {
                    qos: e.qos
                  };
                  5 === h && (t.nl = e.nl || !1, t.rap = e.rap || !1, t.rh = e.rh || 0, t.properties = e.properties), u._resubscribeTopics[e.topic] = t, b.push(e.topic)
                }
              }), u.messageIdToTopic[e.messageId] = b
            }
            return this.outgoing[e.messageId] = {
              volatile: !0,
              cb: function (e, t) {
                if (!e)
                  for (var r = t.granted, n = 0; n < r.length; n += 1) i[n].qos = r[n];
                a(e, i)
              }
            }, p("subscribe :: call _sendPacket"), this._sendPacket(e), this
          }
          a(null, [])
        }, w.prototype.unsubscribe = function () {
          for (var e = {
              cmd: "unsubscribe",
              qos: 1,
              messageId: this._nextId()
            }, t = this, r = new Array(arguments.length), n = 0; n < arguments.length; n++) r[n] = arguments[n];
          var i = r.shift(),
            o = r.pop() || v,
            s = r.pop();
          return "string" == typeof i && (i = [i]), "function" != typeof o && (s = o, o = v), this._checkDisconnecting(o) ? this : ("string" == typeof i ? e.unsubscriptions = [i] : Array.isArray(i) && (e.unsubscriptions = i), this.options.resubscribe && e.unsubscriptions.forEach(function (e) {
            delete t._resubscribeTopics[e]
          }), "object" == typeof s && s.properties && (e.properties = s.properties), this.outgoing[e.messageId] = {
            volatile: !0,
            cb: o
          }, p("unsubscribe: call _sendPacket"), this._sendPacket(e), this)
        }, w.prototype.end = function (e, t, r) {
          var n = this;

          function i() {
            p("end :: (%s) :: finish :: calling _cleanUp with force %s", n.options.clientId, e), n._cleanUp(e, () => {
              p("end :: finish :: calling process.nextTick on closeStores"), h(function () {
                p("end :: closeStores: closing incoming and outgoing stores"), n.disconnected = !0, n.incomingStore.close(function (e) {
                  n.outgoingStore.close(function (t) {
                    if (p("end :: closeStores: emitting end"), n.emit("end"), r) {
                      let n = e || t;
                      p("end :: closeStores: invoking callback with args"), r(n)
                    }
                  })
                }), n._deferredReconnect && n._deferredReconnect()
              }.bind(n))
            }, t)
          }
          return p("end :: (%s)", this.options.clientId), null != e && "boolean" == typeof e || (r = t || v, t = e, e = !1, "object" != typeof t && (r = t, t = null, "function" != typeof r && (r = v))), "object" != typeof t && (r = t, t = null), p("end :: cb? %s", !!r), r = r || v, this.disconnecting ? (r(), this) : (this._clearReconnect(), this.disconnecting = !0, !e && Object.keys(this.outgoing).length > 0 ? (p("end :: (%s) :: calling finish in 10ms once outgoing is empty", n.options.clientId), this.once("outgoingEmpty", setTimeout.bind(null, i, 10))) : (p("end :: (%s) :: immediately calling finish", n.options.clientId), i()), this)
        }, w.prototype.removeOutgoingMessage = function (e) {
          var t = this.outgoing[e] ? this.outgoing[e].cb : null;
          return delete this.outgoing[e], this.outgoingStore.del({
            messageId: e
          }, function () {
            t(new Error("Message removed"))
          }), this
        }, w.prototype.reconnect = function (e) {
          p("client reconnect");
          var t = this,
            r = function () {
              e ? (t.options.incomingStore = e.incomingStore, t.options.outgoingStore = e.outgoingStore) : (t.options.incomingStore = null, t.options.outgoingStore = null), t.incomingStore = t.options.incomingStore || new o, t.outgoingStore = t.options.outgoingStore || new o, t.disconnecting = !1, t.disconnected = !1, t._deferredReconnect = null, t._reconnect()
            };
          return this.disconnecting && !this.disconnected ? this._deferredReconnect = r : r(), this
        }, w.prototype._reconnect = function () {
          p("_reconnect: emitting reconnect to client"), this.emit("reconnect"), p("_reconnect: calling _setupStream"), this._setupStream()
        }, w.prototype._setupReconnect = function () {
          var e = this;
          !e.disconnecting && !e.reconnectTimer && e.options.reconnectPeriod > 0 ? (this.reconnecting || (p("_setupReconnect :: emit `offline` state"), this.emit("offline"), p("_setupReconnect :: set `reconnecting` to `true`"), this.reconnecting = !0), p("_setupReconnect :: setting reconnectTimer for %d ms", e.options.reconnectPeriod), e.reconnectTimer = setInterval(function () {
            p("reconnectTimer :: reconnect triggered!"), e._reconnect()
          }, e.options.reconnectPeriod)) : p("_setupReconnect :: doing nothing...")
        }, w.prototype._clearReconnect = function () {
          p("_clearReconnect : clearing reconnect timer"), this.reconnectTimer && (clearInterval(this.reconnectTimer), this.reconnectTimer = null)
        }, w.prototype._cleanUp = function (e, t) {
          var r, n = arguments[2];
          if (t && (p("_cleanUp :: done callback provided for on stream close"), this.stream.on("close", t)), p("_cleanUp :: forced? %s", e), e) 0 === this.options.reconnectPeriod && this.options.clean && (r = this.outgoing) && (p("flush: queue exists? %b", !!r), Object.keys(r).forEach(function (e) {
            "function" == typeof r[e].cb && (r[e].cb(new Error("Connection closed")), delete r[e])
          })), p("_cleanUp :: (%s) :: destroying stream", this.options.clientId), this.stream.destroy();
          else {
            var i = f({
              cmd: "disconnect"
            }, n);
            p("_cleanUp :: (%s) :: call _sendPacket with disconnect packet", this.options.clientId), this._sendPacket(i, d.bind(null, this.stream.end.bind(this.stream)))
          }
          this.disconnecting || (p("_cleanUp :: client not disconnecting. Clearing and resetting reconnect."), this._clearReconnect(), this._setupReconnect()), null !== this.pingTimer && (p("_cleanUp :: clearing pingTimer"), this.pingTimer.clear(), this.pingTimer = null), t && !this.connected && (p("_cleanUp :: (%s) :: removing stream `done` callback `close` listener", this.options.clientId), this.stream.removeListener("close", t), t())
        }, w.prototype._sendPacket = function (e, t, r) {
          if (p("_sendPacket :: (%s) ::  start", this.options.clientId), r = r || v, !this.connected) return p("_sendPacket :: client not connected. Storing packet offline."), void this._storePacket(e, t, r);
          switch (this._shiftPingInterval(), e.cmd) {
            case "publish":
              break;
            case "pubrel":
              return void _(this, e, t, r);
            default:
              return void y(this, e, t)
          }
          switch (e.qos) {
            case 2:
            case 1:
              _(this, e, t, r);
              break;
            case 0:
            default:
              y(this, e, t)
          }
          p("_sendPacket :: (%s) ::  end", this.options.clientId)
        }, w.prototype._storePacket = function (e, t, r) {
          p("_storePacket :: packet: %o", e), p("_storePacket :: cb? %s", !!t), r = r || v, 0 === (e.qos || 0) && this.queueQoSZero || "publish" !== e.cmd ? this.queue.push({
            packet: e,
            cb: t
          }) : e.qos > 0 ? (t = this.outgoing[e.messageId] ? this.outgoing[e.messageId].cb : null, this.outgoingStore.put(e, function (e) {
            if (e) return t && t(e);
            r()
          })) : t && t(new Error("No connection to broker"))
        }, w.prototype._setupPingTimer = function () {
          p("_setupPingTimer :: keepalive %d (seconds)", this.options.keepalive);
          var e = this;
          !this.pingTimer && this.options.keepalive && (this.pingResp = !0, this.pingTimer = u(function () {
            e._checkPing()
          }, 1e3 * this.options.keepalive))
        }, w.prototype._shiftPingInterval = function () {
          this.pingTimer && this.options.keepalive && this.options.reschedulePings && this.pingTimer.reschedule(1e3 * this.options.keepalive)
        }, w.prototype._checkPing = function () {
          p("_checkPing :: checking ping..."), this.pingResp ? (p("_checkPing :: ping response received. Clearing flag and sending `pingreq`"), this.pingResp = !1, this._sendPacket({
            cmd: "pingreq"
          })) : (p("_checkPing :: calling _cleanUp with force true"), this._cleanUp(!0))
        }, w.prototype._handlePingresp = function () {
          this.pingResp = !0
        }, w.prototype._handleConnack = function (e) {
          p("_handleConnack");
          var t = this.options,
            r = 5 === t.protocolVersion ? e.reasonCode : e.returnCode;
          if (clearTimeout(this.connackTimer), e.properties && (e.properties.topicAliasMaximum && (t.properties || (t.properties = {}), t.properties.topicAliasMaximum = e.properties.topicAliasMaximum), e.properties.serverKeepAlive && t.keepalive && (t.keepalive = e.properties.serverKeepAlive, this._shiftPingInterval()), e.properties.maximumPacketSize && (t.properties || (t.properties = {}), t.properties.maximumPacketSize = e.properties.maximumPacketSize)), 0 === r) this.reconnecting = !1, this._onConnect(e);
          else if (r > 0) {
            var n = new Error("Connection refused: " + m[r]);
            n.code = r, this.emit("error", n)
          }
        }, w.prototype._handlePublish = function (e, t) {
          p("_handlePublish: packet %o", e), t = void 0 !== t ? t : v;
          var r = e.topic.toString(),
            n = e.payload,
            i = e.qos,
            o = e.messageId,
            s = this,
            a = this.options,
            c = [0, 16, 128, 131, 135, 144, 145, 151, 153];
          switch (p("_handlePublish: qos %d", i), i) {
            case 2:
              a.customHandleAcks(r, n, e, function (r, n) {
                return r instanceof Error || (n = r, r = null), r ? s.emit("error", r) : -1 === c.indexOf(n) ? s.emit("error", new Error("Wrong reason code for pubrec")) : void(n ? s._sendPacket({
                  cmd: "pubrec",
                  messageId: o,
                  reasonCode: n
                }, t) : s.incomingStore.put(e, function () {
                  s._sendPacket({
                    cmd: "pubrec",
                    messageId: o
                  }, t)
                }))
              });
              break;
            case 1:
              a.customHandleAcks(r, n, e, function (i, a) {
                return i instanceof Error || (a = i, i = null), i ? s.emit("error", i) : -1 === c.indexOf(a) ? s.emit("error", new Error("Wrong reason code for puback")) : (a || s.emit("message", r, n, e), void s.handleMessage(e, function (e) {
                  if (e) return t && t(e);
                  s._sendPacket({
                    cmd: "puback",
                    messageId: o,
                    reasonCode: a
                  }, t)
                }))
              });
              break;
            case 0:
              this.emit("message", r, n, e), this.handleMessage(e, t);
              break;
            default:
              p("_handlePublish: unknown QoS. Doing nothing.")
          }
        }, w.prototype.handleMessage = function (e, t) {
          t()
        }, w.prototype._handleAck = function (e) {
          var t, r = e.messageId,
            n = e.cmd,
            i = null,
            o = this.outgoing[r] ? this.outgoing[r].cb : null,
            s = this;
          if (o) {
            switch (p("_handleAck :: packet type", n), n) {
              case "pubcomp":
              case "puback":
                var a = e.reasonCode;
                a && a > 0 && 16 !== a && ((t = new Error("Publish error: " + m[a])).code = a, o(t, e)), delete this.outgoing[r], this.outgoingStore.del(e, o);
                break;
              case "pubrec":
                i = {
                  cmd: "pubrel",
                  qos: 2,
                  messageId: r
                };
                var c = e.reasonCode;
                c && c > 0 && 16 !== c ? ((t = new Error("Publish error: " + m[c])).code = c, o(t, e)) : this._sendPacket(i);
                break;
              case "suback":
                delete this.outgoing[r];
                for (var u = 0; u < e.granted.length; u++)
                  if (0 != (128 & e.granted[u])) {
                    var l = this.messageIdToTopic[r];
                    l && l.forEach(function (e) {
                      delete s._resubscribeTopics[e]
                    })
                  } o(null, e);
                break;
              case "unsuback":
                delete this.outgoing[r], o(null);
                break;
              default:
                s.emit("error", new Error("unrecognized packet type"))
            }
            this.disconnecting && 0 === Object.keys(this.outgoing).length && this.emit("outgoingEmpty")
          } else p("_handleAck :: Server sent an ack in error. Ignoring.")
        }, w.prototype._handlePubrel = function (e, t) {
          p("handling pubrel packet"), t = void 0 !== t ? t : v;
          var r = this,
            n = {
              cmd: "pubcomp",
              messageId: e.messageId
            };
          r.incomingStore.get(e, function (e, i) {
            e ? r._sendPacket(n, t) : (r.emit("message", i.topic, i.payload, i), r.handleMessage(i, function (e) {
              if (e) return t(e);
              r.incomingStore.del(i, v), r._sendPacket(n, t)
            }))
          })
        }, w.prototype._handleDisconnect = function (e) {
          this.emit("disconnect", e)
        }, w.prototype._nextId = function () {
          var e = this.nextId++;
          return 65536 === this.nextId && (this.nextId = 1), e
        }, w.prototype.getLastMessageId = function () {
          return 1 === this.nextId ? 65535 : this.nextId - 1
        }, w.prototype._resubscribe = function (e) {
          p("_resubscribe");
          var t = Object.keys(this._resubscribeTopics);
          if (!this._firstConnection && (this.options.clean || 5 === this.options.protocolVersion && !e.sessionPresent) && t.length > 0)
            if (this.options.resubscribe)
              if (5 === this.options.protocolVersion) {
                p("_resubscribe: protocolVersion 5");
                for (var r = 0; r < t.length; r++) {
                  var n = {};
                  n[t[r]] = this._resubscribeTopics[t[r]], n.resubscribe = !0, this.subscribe(n, {
                    properties: n[t[r]].properties
                  })
                }
              } else this._resubscribeTopics.resubscribe = !0, this.subscribe(this._resubscribeTopics);
          else this._resubscribeTopics = {};
          this._firstConnection = !1
        }, w.prototype._onConnect = function (e) {
          if (this.disconnected) this.emit("connect", e);
          else {
            var t = this;
            this._setupPingTimer(), this._resubscribe(e), this.connected = !0,
              function r() {
                var n = t.outgoingStore.createStream();

                function i() {
                  t._storeProcessing = !1, t._packetIdsDuringStoreProcessing = {}
                }

                function o() {
                  n.destroy(), n = null, i()
                }
                t.once("close", o), n.on("error", function (e) {
                    i(), t.removeListener("close", o), t.emit("error", e)
                  }), n.on("end", function () {
                    var n = !0;
                    for (var s in t._packetIdsDuringStoreProcessing)
                      if (!t._packetIdsDuringStoreProcessing[s]) {
                        n = !1;
                        break
                      } n ? (i(), t.removeListener("close", o), t.emit("connect", e)) : r()
                  }),
                  function e() {
                    if (n) {
                      t._storeProcessing = !0;
                      var r, i = n.read(1);
                      i ? t._packetIdsDuringStoreProcessing[i.messageId] ? e() : t.disconnecting || t.reconnectTimer ? n.destroy && n.destroy() : (r = t.outgoing[i.messageId] ? t.outgoing[i.messageId].cb : null, t.outgoing[i.messageId] = {
                        volatile: !1,
                        cb: function (t, n) {
                          r && r(t, n), e()
                        }
                      }, t._packetIdsDuringStoreProcessing[i.messageId] = !0, t._sendPacket(i)) : n.once("readable", e)
                    }
                  }()
              }()
          }
        }, t.exports = w
      }).call(this, e("_process"), "undefined" != typeof global ? global : "undefined" != typeof self ? self : "undefined" != typeof window ? window : {})
    }, {
      "./store": 7,
      "./validations": 8,
      _process: 101,
      debug: 17,
      events: 83,
      inherits: 88,
      "mqtt-packet": 93,
      "readable-stream": 115,
      reinterval: 116,
      xtend: 140
    }],
    2: [function (e, t, r) {
      (function (r) {
        "use strict";
        var n, i, o, s = e("readable-stream").Transform,
          a = e("duplexify"),
          c = e("base64-js"),
          u = !1;
        t.exports = function (e, t) {
          if (t.hostname = t.hostname || t.host, !t.hostname) throw new Error("Could not determine host. Specify host manually.");
          var l = "MQIsdp" === t.protocolId && 3 === t.protocolVersion ? "mqttv3.1" : "mqtt";
          ! function (e) {
            e.hostname || (e.hostname = "localhost"), e.path || (e.path = "/"), e.wsOptions || (e.wsOptions = {})
          }(t);
          var f = function (e, t) {
            var r = "alis" === e.protocol ? "wss" : "ws",
              n = r + "://" + e.hostname + e.path;
            return e.port && 80 !== e.port && 443 !== e.port && (n = r + "://" + e.hostname + ":" + e.port + e.path), "function" == typeof e.transformWsUrl && (n = e.transformWsUrl(n, e, t)), n
          }(t, e);
          return (n = t.my).connectSocket({
            url: f,
            protocols: l
          }), i = function () {
            var e = new s;
            return e._write = function (e, t, r) {
              n.sendSocketMessage({
                data: e.buffer,
                success: function () {
                  r()
                },
                fail: function () {
                  r(new Error)
                }
              })
            }, e._flush = function (e) {
              n.closeSocket({
                success: function () {
                  e()
                }
              })
            }, e
          }(), o = a.obj(), u || (u = !0, n.onSocketOpen(function () {
            o.setReadable(i), o.setWritable(i), o.emit("connect")
          }), n.onSocketMessage(function (e) {
            if ("string" == typeof e.data) {
              var t = c.toByteArray(e.data),
                n = r.from(t);
              i.push(n)
            } else {
              var o = new FileReader;
              o.addEventListener("load", function () {
                var e = o.result;
                e = e instanceof ArrayBuffer ? r.from(e) : r.from(e, "utf8"), i.push(e)
              }), o.readAsArrayBuffer(e.data)
            }
          }), n.onSocketClose(function () {
            o.end(), o.destroy()
          }), n.onSocketError(function (e) {
            o.destroy(e)
          })), o
        }
      }).call(this, e("buffer").Buffer)
    }, {
      "base64-js": 10,
      buffer: 13,
      duplexify: 19,
      "readable-stream": 115
    }],
    3: [function (e, t, r) {
      "use strict";
      var n = e("net"),
        i = e("debug")("mqttjs:tcp");
      t.exports = function (e, t) {
        var r, o;
        return t.port = t.port || 1883, t.hostname = t.hostname || t.host || "localhost", r = t.port, o = t.hostname, i("port %d and host %s", r, o), n.createConnection(r, o)
      }
    }, {
      debug: 17,
      net: 12
    }],
    4: [function (e, t, r) {
      "use strict";
      var n = e("tls"),
        i = e("debug")("mqttjs:tls");
      t.exports = function (e, t) {
        var r;

        function o(n) {
          t.rejectUnauthorized && e.emit("error", n), r.end()
        }
        return t.port = t.port || 8883, t.host = t.hostname || t.host || "localhost", t.servername = t.host, t.rejectUnauthorized = !1 !== t.rejectUnauthorized, delete t.path, i("port %d host %s rejectUnauthorized %b", t.port, t.host, t.rejectUnauthorized), (r = n.connect(t)).on("secureConnect", function () {
          t.rejectUnauthorized && !r.authorized ? r.emit("error", new Error("TLS not authorized")) : r.removeListener("error", o)
        }), r.on("error", o), r
      }
    }, {
      debug: 17,
      tls: 12
    }],
    5: [function (e, t, r) {
      (function (r) {
        "use strict";
        const n = e("ws"),
          i = e("debug")("mqttjs:ws"),
          o = e("duplexify"),
          s = e("safe-buffer").Buffer,
          a = e("url"),
          c = e("readable-stream").Transform;
        let u = ["rejectUnauthorized", "ca", "cert", "key", "pfx", "passphrase"];
        const l = void 0 !== r && "browser" === r.title || "function" == typeof __webpack_require__;

        function f(e, t) {
          let r = e.protocol + "://" + e.hostname + ":" + e.port + e.path;
          return "function" == typeof e.transformWsUrl && (r = e.transformWsUrl(r, e, t)), r
        }

        function p(e) {
          let t = e;
          return e.hostname || (t.hostname = "localhost"), e.port || ("wss" === e.protocol ? t.port = 443 : t.port = 80), e.path || (t.path = "/"), e.wsOptions || (t.wsOptions = {}), l || "wss" !== e.protocol || u.forEach(function (r) {
            e.hasOwnProperty(r) && !e.wsOptions.hasOwnProperty(r) && (t.wsOptions[r] = e[r])
          }), t
        }
        t.exports = l ? function (e, t) {
          let r;
          i("browserStreamBuilder");
          const n = function (e) {
              let t = p(e);
              if (t.hostname || (t.hostname = t.host), !t.hostname) {
                if ("undefined" == typeof document) throw new Error("Could not determine host. Specify host manually.");
                const e = a.parse(document.URL);
                t.hostname = e.hostname, t.port || (t.port = e.port)
              }
              return void 0 === t.objectMode && (t.objectMode = !(!0 === t.binary || void 0 === t.binary)), t
            }(t).browserBufferSize || 524288,
            u = t.browserBufferTimeout || 1e3,
            l = !t.objectMode;
          let h = function (e, t) {
              const r = "MQIsdp" === t.protocolId && 3 === t.protocolVersion ? "mqttv3.1" : "mqtt";
              let n = f(t, e),
                i = new WebSocket(n, [r]);
              return i.binaryType = "arraybuffer", i
            }(e, t),
            d = function (e, t, r) {
              let n = new c({
                objectModeMode: e.objectMode
              });
              return n._write = t, n._flush = r, n
            }(t, function e(t, r, i) {
              h.bufferedAmount > n && setTimeout(e, u, t, r, i), l && "string" == typeof t && (t = s.from(t, "utf8"));
              try {
                h.send(t)
              } catch (e) {
                return i(e)
              }
              i()
            }, function (e) {
              h.close(), e()
            });
          t.objectMode || (d._writev = v), d.on("close", () => {
            h.close()
          });
          const g = void 0 === h.addEventListener;

          function b() {
            r.setReadable(d), r.setWritable(d), r.emit("connect")
          }

          function m() {
            r.end(), r.destroy()
          }

          function y(e) {
            r.destroy(e)
          }

          function _(e) {
            let t = e.data;
            t = t instanceof ArrayBuffer ? s.from(t) : s.from(t, "utf8"), d.push(t)
          }

          function v(e, t) {
            const r = new Array(e.length);
            for (let t = 0; t < e.length; t++) "string" == typeof e[t].chunk ? r[t] = s.from(e[t], "utf8") : r[t] = e[t].chunk;
            this._write(s.concat(r), "binary", t)
          }
          return h.readyState === h.OPEN ? r = d : (r = r = o(void 0, void 0, t), t.objectMode || (r._writev = v), g ? h.addEventListener("open", b) : h.onopen = b), r.socket = h, g ? (h.addEventListener("close", m), h.addEventListener("error", y), h.addEventListener("message", _)) : (h.onclose = m, h.onerror = y, h.onmessage = _), r
        } : function (e, t) {
          i("streamBuilder");
          let r = p(t);
          const o = f(r, e);
          let s = function (e, t, r) {
              i("createWebSocket"), i("protocol: " + r.protocolId + " " + r.protocolVersion);
              const o = "MQIsdp" === r.protocolId && 3 === r.protocolVersion ? "mqttv3.1" : "mqtt";
              return i("creating new Websocket for url: " + t + " and protocol: " + o), new n(t, [o], r.wsOptions)
            }(0, o, r),
            a = n.createWebSocketStream(s, r.wsOptions);
          return a.url = o, a
        }
      }).call(this, e("_process"))
    }, {
      _process: 101,
      debug: 17,
      duplexify: 19,
      "readable-stream": 115,
      "safe-buffer": 117,
      url: 132,
      ws: 139
    }],
    6: [function (e, t, r) {
      (function (r) {
        "use strict";
        var n, i, o, s = e("readable-stream").Transform,
          a = e("duplexify");
        t.exports = function (e, t) {
          if (t.hostname = t.hostname || t.host, !t.hostname) throw new Error("Could not determine host. Specify host manually.");
          var c = "MQIsdp" === t.protocolId && 3 === t.protocolVersion ? "mqttv3.1" : "mqtt";
          ! function (e) {
            e.hostname || (e.hostname = "localhost"), e.path || (e.path = "/"), e.wsOptions || (e.wsOptions = {})
          }(t);
          var u = function (e, t) {
            var r = "wxs" === e.protocol ? "wss" : "ws",
              n = r + "://" + e.hostname + e.path;
            return e.port && 80 !== e.port && 443 !== e.port && (n = r + "://" + e.hostname + ":" + e.port + e.path), "function" == typeof e.transformWsUrl && (n = e.transformWsUrl(n, e, t)), n
          }(t, e);
          n = wx.connectSocket({
            url: u,
            protocols: [c]
          }), i = function () {
            var e = new s;
            return e._write = function (e, t, r) {
              n.send({
                data: e.buffer,
                success: function () {
                  r()
                },
                fail: function (e) {
                  r(new Error(e))
                }
              })
            }, e._flush = function (e) {
              n.close({
                success: function () {
                  e()
                }
              })
            }, e
          }(), (o = a.obj())._destroy = function (e, t) {
            n.close({
              success: function () {
                t && t(e)
              }
            })
          };
          var l = o.destroy;
          return o.destroy = function () {
            o.destroy = l;
            var e = this;
            setTimeout(function () {
              n.close({
                fail: function () {
                  e._destroy(new Error)
                }
              })
            }, 0)
          }.bind(o), n.onOpen(function () {
            o.setReadable(i), o.setWritable(i), o.emit("connect")
          }), n.onMessage(function (e) {
            var t = e.data;
            t = t instanceof ArrayBuffer ? r.from(t) : r.from(t, "utf8"), i.push(t)
          }), n.onClose(function () {
            o.end(), o.destroy()
          }), n.onError(function (e) {
            o.destroy(new Error(e.errMsg))
          }), o
        }
      }).call(this, e("buffer").Buffer)
    }, {
      buffer: 13,
      duplexify: 19,
      "readable-stream": 115
    }],
    7: [function (e, t, r) {
      "use strict";
      var n = e("xtend"),
        i = e("readable-stream").Readable,
        o = {
          objectMode: !0
        },
        s = {
          clean: !0
        },
        a = e("es6-map");

      function c(e) {
        if (!(this instanceof c)) return new c(e);
        this.options = e || {}, this.options = n(s, e), this._inflights = new a
      }
      c.prototype.put = function (e, t) {
        return this._inflights.set(e.messageId, e), t && t(), this
      }, c.prototype.createStream = function () {
        var e = new i(o),
          t = !1,
          r = [],
          n = 0;
        return this._inflights.forEach(function (e, t) {
          r.push(e)
        }), e._read = function () {
          !t && n < r.length ? this.push(r[n++]) : this.push(null)
        }, e.destroy = function () {
          if (!t) {
            var e = this;
            t = !0, setTimeout(function () {
              e.emit("close")
            }, 0)
          }
        }, e
      }, c.prototype.del = function (e, t) {
        return (e = this._inflights.get(e.messageId)) ? (this._inflights.delete(e.messageId), t(null, e)) : t && t(new Error("missing packet")), this
      }, c.prototype.get = function (e, t) {
        return (e = this._inflights.get(e.messageId)) ? t(null, e) : t && t(new Error("missing packet")), this
      }, c.prototype.close = function (e) {
        this.options.clean && (this._inflights = null), e && e()
      }, t.exports = c
    }, {
      "es6-map": 68,
      "readable-stream": 115,
      xtend: 140
    }],
    8: [function (e, t, r) {
      "use strict";

      function n(e) {
        for (var t = e.split("/"), r = 0; r < t.length; r++)
          if ("+" !== t[r]) {
            if ("#" === t[r]) return r === t.length - 1;
            if (-1 !== t[r].indexOf("+") || -1 !== t[r].indexOf("#")) return !1
          } return !0
      }
      t.exports = {
        validateTopics: function (e) {
          if (0 === e.length) return "empty_topic_list";
          for (var t = 0; t < e.length; t++)
            if (!n(e[t])) return e[t];
          return null
        }
      }
    }, {}],
    9: [function (e, t, r) {
      (function (r) {
        "use strict";
        var n = e("../client"),
          i = e("../store"),
          o = e("url"),
          s = e("xtend"),
          a = e("debug")("mqttjs"),
          c = {};

        function u(e, t) {
          if (a("connecting to an MQTT broker..."), "object" != typeof e || t || (t = e, e = null), t = t || {}, e) {
            var r = o.parse(e, !0);
            if (null != r.port && (r.port = Number(r.port)), null === (t = s(r, t)).protocol) throw new Error("Missing protocol");
            t.protocol = t.protocol.replace(/:$/, "")
          }
          if (function (e) {
              var t;
              e.auth && ((t = e.auth.match(/^(.+):(.+)$/)) ? (e.username = t[1], e.password = t[2]) : e.username = e.auth)
            }(t), t.query && "string" == typeof t.query.clientId && (t.clientId = t.query.clientId), t.cert && t.key) {
            if (!t.protocol) throw new Error("Missing secure protocol key");
            if (-1 === ["mqtts", "wss", "wxs", "alis"].indexOf(t.protocol)) switch (t.protocol) {
              case "mqtt":
                t.protocol = "mqtts";
                break;
              case "ws":
                t.protocol = "wss";
                break;
              case "wx":
                t.protocol = "wxs";
                break;
              case "ali":
                t.protocol = "alis";
                break;
              default:
                throw new Error('Unknown protocol for secure connection: "' + t.protocol + '"!')
            }
          }
          if (!c[t.protocol]) {
            var i = -1 !== ["mqtts", "wss"].indexOf(t.protocol);
            t.protocol = ["mqtt", "mqtts", "ws", "wss", "wx", "wxs", "ali", "alis"].filter(function (e, t) {
              return (!i || t % 2 != 0) && "function" == typeof c[e]
            })[0]
          }
          if (!1 === t.clean && !t.clientId) throw new Error("Missing clientId for unclean clients");
          t.protocol && (t.defaultProtocol = t.protocol);
          var u = new n(function (e) {
            return t.servers && (e._reconnectCount && e._reconnectCount !== t.servers.length || (e._reconnectCount = 0), t.host = t.servers[e._reconnectCount].host, t.port = t.servers[e._reconnectCount].port, t.protocol = t.servers[e._reconnectCount].protocol ? t.servers[e._reconnectCount].protocol : t.defaultProtocol, t.hostname = t.host, e._reconnectCount++), a("calling streambuilder for", t.protocol), c[t.protocol](e, t)
          }, t);
          return u.on("error", function () {}), u
        }
        void 0 !== r && "browser" !== r.title || "function" == typeof __webpack_require__ ? (c.mqtt = e("./tcp"), c.tcp = e("./tcp"), c.ssl = e("./tls"), c.tls = e("./tls"), c.mqtts = e("./tls")) : (c.wx = e("./wx"), c.wxs = e("./wx"), c.ali = e("./ali"), c.alis = e("./ali")), c.ws = e("./ws"), c.wss = e("./ws"), t.exports = u, t.exports.connect = u, t.exports.MqttClient = n, t.exports.Store = i
      }).call(this, e("_process"))
    }, {
      "../client": 1,
      "../store": 7,
      "./ali": 2,
      "./tcp": 3,
      "./tls": 4,
      "./ws": 5,
      "./wx": 6,
      _process: 101,
      debug: 17,
      url: 132,
      xtend: 140
    }],
    10: [function (e, t, r) {
      "use strict";
      r.byteLength = function (e) {
        var t = u(e),
          r = t[0],
          n = t[1];
        return 3 * (r + n) / 4 - n
      }, r.toByteArray = function (e) {
        var t, r, n = u(e),
          s = n[0],
          a = n[1],
          c = new o(function (e, t, r) {
            return 3 * (t + r) / 4 - r
          }(0, s, a)),
          l = 0,
          f = a > 0 ? s - 4 : s;
        for (r = 0; r < f; r += 4) t = i[e.charCodeAt(r)] << 18 | i[e.charCodeAt(r + 1)] << 12 | i[e.charCodeAt(r + 2)] << 6 | i[e.charCodeAt(r + 3)], c[l++] = t >> 16 & 255, c[l++] = t >> 8 & 255, c[l++] = 255 & t;
        2 === a && (t = i[e.charCodeAt(r)] << 2 | i[e.charCodeAt(r + 1)] >> 4, c[l++] = 255 & t);
        1 === a && (t = i[e.charCodeAt(r)] << 10 | i[e.charCodeAt(r + 1)] << 4 | i[e.charCodeAt(r + 2)] >> 2, c[l++] = t >> 8 & 255, c[l++] = 255 & t);
        return c
      }, r.fromByteArray = function (e) {
        for (var t, r = e.length, i = r % 3, o = [], s = 0, a = r - i; s < a; s += 16383) o.push(l(e, s, s + 16383 > a ? a : s + 16383));
        1 === i ? (t = e[r - 1], o.push(n[t >> 2] + n[t << 4 & 63] + "==")) : 2 === i && (t = (e[r - 2] << 8) + e[r - 1], o.push(n[t >> 10] + n[t >> 4 & 63] + n[t << 2 & 63] + "="));
        return o.join("")
      };
      for (var n = [], i = [], o = "undefined" != typeof Uint8Array ? Uint8Array : Array, s = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/", a = 0, c = s.length; a < c; ++a) n[a] = s[a], i[s.charCodeAt(a)] = a;

      function u(e) {
        var t = e.length;
        if (t % 4 > 0) throw new Error("Invalid string. Length must be a multiple of 4");
        var r = e.indexOf("=");
        return -1 === r && (r = t), [r, r === t ? 0 : 4 - r % 4]
      }

      function l(e, t, r) {
        for (var i, o, s = [], a = t; a < r; a += 3) i = (e[a] << 16 & 16711680) + (e[a + 1] << 8 & 65280) + (255 & e[a + 2]), s.push(n[(o = i) >> 18 & 63] + n[o >> 12 & 63] + n[o >> 6 & 63] + n[63 & o]);
        return s.join("")
      }
      i["-".charCodeAt(0)] = 62, i["_".charCodeAt(0)] = 63
    }, {}],
    11: [function (e, t, r) {
      var n = e("readable-stream/duplex"),
        i = e("util"),
        o = e("safe-buffer").Buffer;

      function s(e) {
        if (!(this instanceof s)) return new s(e);
        if (this._bufs = [], this.length = 0, "function" == typeof e) {
          this._callback = e;
          var t = function (e) {
            this._callback && (this._callback(e), this._callback = null)
          }.bind(this);
          this.on("pipe", function (e) {
            e.on("error", t)
          }), this.on("unpipe", function (e) {
            e.removeListener("error", t)
          })
        } else this.append(e);
        n.call(this)
      }
      i.inherits(s, n), s.prototype._offset = function (e) {
          var t, r = 0,
            n = 0;
          if (0 === e) return [0, 0];
          for (; n < this._bufs.length; n++) {
            if (e < (t = r + this._bufs[n].length) || n == this._bufs.length - 1) return [n, e - r];
            r = t
          }
        }, s.prototype.append = function (e) {
          var t = 0;
          if (o.isBuffer(e)) this._appendBuffer(e);
          else if (Array.isArray(e))
            for (; t < e.length; t++) this.append(e[t]);
          else if (e instanceof s)
            for (; t < e._bufs.length; t++) this.append(e._bufs[t]);
          else null != e && ("number" == typeof e && (e = e.toString()), this._appendBuffer(o.from(e)));
          return this
        }, s.prototype._appendBuffer = function (e) {
          this._bufs.push(e), this.length += e.length
        }, s.prototype._write = function (e, t, r) {
          this._appendBuffer(e), "function" == typeof r && r()
        }, s.prototype._read = function (e) {
          if (!this.length) return this.push(null);
          e = Math.min(e, this.length), this.push(this.slice(0, e)), this.consume(e)
        }, s.prototype.end = function (e) {
          n.prototype.end.call(this, e), this._callback && (this._callback(null, this.slice()), this._callback = null)
        }, s.prototype.get = function (e) {
          return this.slice(e, e + 1)[0]
        }, s.prototype.slice = function (e, t) {
          return "number" == typeof e && e < 0 && (e += this.length), "number" == typeof t && t < 0 && (t += this.length), this.copy(null, 0, e, t)
        }, s.prototype.copy = function (e, t, r, n) {
          if (("number" != typeof r || r < 0) && (r = 0), ("number" != typeof n || n > this.length) && (n = this.length), r >= this.length) return e || o.alloc(0);
          if (n <= 0) return e || o.alloc(0);
          var i, s, a = !!e,
            c = this._offset(r),
            u = n - r,
            l = u,
            f = a && t || 0,
            p = c[1];
          if (0 === r && n == this.length) {
            if (!a) return 1 === this._bufs.length ? this._bufs[0] : o.concat(this._bufs, this.length);
            for (s = 0; s < this._bufs.length; s++) this._bufs[s].copy(e, f), f += this._bufs[s].length;
            return e
          }
          if (l <= this._bufs[c[0]].length - p) return a ? this._bufs[c[0]].copy(e, t, p, p + l) : this._bufs[c[0]].slice(p, p + l);
          for (a || (e = o.allocUnsafe(u)), s = c[0]; s < this._bufs.length; s++) {
            if (!(l > (i = this._bufs[s].length - p))) {
              this._bufs[s].copy(e, f, p, p + l);
              break
            }
            this._bufs[s].copy(e, f, p), f += i, l -= i, p && (p = 0)
          }
          return e
        }, s.prototype.shallowSlice = function (e, t) {
          e = e || 0, t = t || this.length, e < 0 && (e += this.length), t < 0 && (t += this.length);
          var r = this._offset(e),
            n = this._offset(t),
            i = this._bufs.slice(r[0], n[0] + 1);
          return 0 == n[1] ? i.pop() : i[i.length - 1] = i[i.length - 1].slice(0, n[1]), 0 != r[1] && (i[0] = i[0].slice(r[1])), new s(i)
        }, s.prototype.toString = function (e, t, r) {
          return this.slice(t, r).toString(e)
        }, s.prototype.consume = function (e) {
          for (; this._bufs.length;) {
            if (!(e >= this._bufs[0].length)) {
              this._bufs[0] = this._bufs[0].slice(e), this.length -= e;
              break
            }
            e -= this._bufs[0].length, this.length -= this._bufs[0].length, this._bufs.shift()
          }
          return this
        }, s.prototype.duplicate = function () {
          for (var e = 0, t = new s; e < this._bufs.length; e++) t.append(this._bufs[e]);
          return t
        }, s.prototype.destroy = function () {
          this._bufs.length = 0, this.length = 0, this.push(null)
        },
        function () {
          var e = {
            readDoubleBE: 8,
            readDoubleLE: 8,
            readFloatBE: 4,
            readFloatLE: 4,
            readInt32BE: 4,
            readInt32LE: 4,
            readUInt32BE: 4,
            readUInt32LE: 4,
            readInt16BE: 2,
            readInt16LE: 2,
            readUInt16BE: 2,
            readUInt16LE: 2,
            readInt8: 1,
            readUInt8: 1
          };
          for (var t in e) ! function (t) {
            s.prototype[t] = function (r) {
              return this.slice(r, r + e[t])[t](0)
            }
          }(t)
        }(), t.exports = s
    }, {
      "readable-stream/duplex": 106,
      "safe-buffer": 117,
      util: 137
    }],
    12: [function (e, t, r) {}, {}],
    13: [function (e, t, r) {
      (function (t) {
        "use strict";
        var n = e("base64-js"),
          i = e("ieee754");
        r.Buffer = t, r.SlowBuffer = function (e) {
          +e != e && (e = 0);
          return t.alloc(+e)
        }, r.INSPECT_MAX_BYTES = 50;
        var o = 2147483647;

        function s(e) {
          if (e > o) throw new RangeError('The value "' + e + '" is invalid for option "size"');
          var r = new Uint8Array(e);
          return r.__proto__ = t.prototype, r
        }

        function t(e, t, r) {
          if ("number" == typeof e) {
            if ("string" == typeof t) throw new TypeError('The "string" argument must be of type string. Received type number');
            return u(e)
          }
          return a(e, t, r)
        }

        function a(e, r, n) {
          if ("string" == typeof e) return function (e, r) {
            "string" == typeof r && "" !== r || (r = "utf8");
            if (!t.isEncoding(r)) throw new TypeError("Unknown encoding: " + r);
            var n = 0 | p(e, r),
              i = s(n),
              o = i.write(e, r);
            o !== n && (i = i.slice(0, o));
            return i
          }(e, r);
          if (ArrayBuffer.isView(e)) return l(e);
          if (null == e) throw TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type " + typeof e);
          if (q(e, ArrayBuffer) || e && q(e.buffer, ArrayBuffer)) return function (e, r, n) {
            if (r < 0 || e.byteLength < r) throw new RangeError('"offset" is outside of buffer bounds');
            if (e.byteLength < r + (n || 0)) throw new RangeError('"length" is outside of buffer bounds');
            var i;
            i = void 0 === r && void 0 === n ? new Uint8Array(e) : void 0 === n ? new Uint8Array(e, r) : new Uint8Array(e, r, n);
            return i.__proto__ = t.prototype, i
          }(e, r, n);
          if ("number" == typeof e) throw new TypeError('The "value" argument must not be of type number. Received type number');
          var i = e.valueOf && e.valueOf();
          if (null != i && i !== e) return t.from(i, r, n);
          var o = function (e) {
            if (t.isBuffer(e)) {
              var r = 0 | f(e.length),
                n = s(r);
              return 0 === n.length ? n : (e.copy(n, 0, 0, r), n)
            }
            if (void 0 !== e.length) return "number" != typeof e.length || F(e.length) ? s(0) : l(e);
            if ("Buffer" === e.type && Array.isArray(e.data)) return l(e.data)
          }(e);
          if (o) return o;
          if ("undefined" != typeof Symbol && null != Symbol.toPrimitive && "function" == typeof e[Symbol.toPrimitive]) return t.from(e[Symbol.toPrimitive]("string"), r, n);
          throw new TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type " + typeof e)
        }

        function c(e) {
          if ("number" != typeof e) throw new TypeError('"size" argument must be of type number');
          if (e < 0) throw new RangeError('The value "' + e + '" is invalid for option "size"')
        }

        function u(e) {
          return c(e), s(e < 0 ? 0 : 0 | f(e))
        }

        function l(e) {
          for (var t = e.length < 0 ? 0 : 0 | f(e.length), r = s(t), n = 0; n < t; n += 1) r[n] = 255 & e[n];
          return r
        }

        function f(e) {
          if (e >= o) throw new RangeError("Attempt to allocate Buffer larger than maximum size: 0x" + o.toString(16) + " bytes");
          return 0 | e
        }

        function p(e, r) {
          if (t.isBuffer(e)) return e.length;
          if (ArrayBuffer.isView(e) || q(e, ArrayBuffer)) return e.byteLength;
          if ("string" != typeof e) throw new TypeError('The "string" argument must be one of type string, Buffer, or ArrayBuffer. Received type ' + typeof e);
          var n = e.length,
            i = arguments.length > 2 && !0 === arguments[2];
          if (!i && 0 === n) return 0;
          for (var o = !1;;) switch (r) {
            case "ascii":
            case "latin1":
            case "binary":
              return n;
            case "utf8":
            case "utf-8":
              return N(e).length;
            case "ucs2":
            case "ucs-2":
            case "utf16le":
            case "utf-16le":
              return 2 * n;
            case "hex":
              return n >>> 1;
            case "base64":
              return U(e).length;
            default:
              if (o) return i ? -1 : N(e).length;
              r = ("" + r).toLowerCase(), o = !0
          }
        }

        function h(e, t, r) {
          var n = e[t];
          e[t] = e[r], e[r] = n
        }

        function d(e, r, n, i, o) {
          if (0 === e.length) return -1;
          if ("string" == typeof n ? (i = n, n = 0) : n > 2147483647 ? n = 2147483647 : n < -2147483648 && (n = -2147483648), F(n = +n) && (n = o ? 0 : e.length - 1), n < 0 && (n = e.length + n), n >= e.length) {
            if (o) return -1;
            n = e.length - 1
          } else if (n < 0) {
            if (!o) return -1;
            n = 0
          }
          if ("string" == typeof r && (r = t.from(r, i)), t.isBuffer(r)) return 0 === r.length ? -1 : g(e, r, n, i, o);
          if ("number" == typeof r) return r &= 255, "function" == typeof Uint8Array.prototype.indexOf ? o ? Uint8Array.prototype.indexOf.call(e, r, n) : Uint8Array.prototype.lastIndexOf.call(e, r, n) : g(e, [r], n, i, o);
          throw new TypeError("val must be string, number or Buffer")
        }

        function g(e, t, r, n, i) {
          var o, s = 1,
            a = e.length,
            c = t.length;
          if (void 0 !== n && ("ucs2" === (n = String(n).toLowerCase()) || "ucs-2" === n || "utf16le" === n || "utf-16le" === n)) {
            if (e.length < 2 || t.length < 2) return -1;
            s = 2, a /= 2, c /= 2, r /= 2
          }

          function u(e, t) {
            return 1 === s ? e[t] : e.readUInt16BE(t * s)
          }
          if (i) {
            var l = -1;
            for (o = r; o < a; o++)
              if (u(e, o) === u(t, -1 === l ? 0 : o - l)) {
                if (-1 === l && (l = o), o - l + 1 === c) return l * s
              } else -1 !== l && (o -= o - l), l = -1
          } else
            for (r + c > a && (r = a - c), o = r; o >= 0; o--) {
              for (var f = !0, p = 0; p < c; p++)
                if (u(e, o + p) !== u(t, p)) {
                  f = !1;
                  break
                } if (f) return o
            }
          return -1
        }

        function b(e, t, r, n) {
          r = Number(r) || 0;
          var i = e.length - r;
          n ? (n = Number(n)) > i && (n = i) : n = i;
          var o = t.length;
          n > o / 2 && (n = o / 2);
          for (var s = 0; s < n; ++s) {
            var a = parseInt(t.substr(2 * s, 2), 16);
            if (F(a)) return s;
            e[r + s] = a
          }
          return s
        }

        function m(e, t, r, n) {
          return L(N(t, e.length - r), e, r, n)
        }

        function y(e, t, r, n) {
          return L(function (e) {
            for (var t = [], r = 0; r < e.length; ++r) t.push(255 & e.charCodeAt(r));
            return t
          }(t), e, r, n)
        }

        function _(e, t, r, n) {
          return y(e, t, r, n)
        }

        function v(e, t, r, n) {
          return L(U(t), e, r, n)
        }

        function w(e, t, r, n) {
          return L(function (e, t) {
            for (var r, n, i, o = [], s = 0; s < e.length && !((t -= 2) < 0); ++s) r = e.charCodeAt(s), n = r >> 8, i = r % 256, o.push(i), o.push(n);
            return o
          }(t, e.length - r), e, r, n)
        }

        function S(e, t, r) {
          return 0 === t && r === e.length ? n.fromByteArray(e) : n.fromByteArray(e.slice(t, r))
        }

        function k(e, t, r) {
          r = Math.min(e.length, r);
          for (var n = [], i = t; i < r;) {
            var o, s, a, c, u = e[i],
              l = null,
              f = u > 239 ? 4 : u > 223 ? 3 : u > 191 ? 2 : 1;
            if (i + f <= r) switch (f) {
              case 1:
                u < 128 && (l = u);
                break;
              case 2:
                128 == (192 & (o = e[i + 1])) && (c = (31 & u) << 6 | 63 & o) > 127 && (l = c);
                break;
              case 3:
                o = e[i + 1], s = e[i + 2], 128 == (192 & o) && 128 == (192 & s) && (c = (15 & u) << 12 | (63 & o) << 6 | 63 & s) > 2047 && (c < 55296 || c > 57343) && (l = c);
                break;
              case 4:
                o = e[i + 1], s = e[i + 2], a = e[i + 3], 128 == (192 & o) && 128 == (192 & s) && 128 == (192 & a) && (c = (15 & u) << 18 | (63 & o) << 12 | (63 & s) << 6 | 63 & a) > 65535 && c < 1114112 && (l = c)
            }
            null === l ? (l = 65533, f = 1) : l > 65535 && (l -= 65536, n.push(l >>> 10 & 1023 | 55296), l = 56320 | 1023 & l), n.push(l), i += f
          }
          return function (e) {
            var t = e.length;
            if (t <= x) return String.fromCharCode.apply(String, e);
            var r = "",
              n = 0;
            for (; n < t;) r += String.fromCharCode.apply(String, e.slice(n, n += x));
            return r
          }(n)
        }
        r.kMaxLength = o, t.TYPED_ARRAY_SUPPORT = function () {
          try {
            var e = new Uint8Array(1);
            return e.__proto__ = {
              __proto__: Uint8Array.prototype,
              foo: function () {
                return 42
              }
            }, 42 === e.foo()
          } catch (e) {
            return !1
          }
        }(), t.TYPED_ARRAY_SUPPORT || "undefined" == typeof console || "function" != typeof console.error || console.error("This browser lacks typed array (Uint8Array) support which is required by `buffer` v5.x. Use `buffer` v4.x if you require old browser support."), Object.defineProperty(t.prototype, "parent", {
          enumerable: !0,
          get: function () {
            if (t.isBuffer(this)) return this.buffer
          }
        }), Object.defineProperty(t.prototype, "offset", {
          enumerable: !0,
          get: function () {
            if (t.isBuffer(this)) return this.byteOffset
          }
        }), "undefined" != typeof Symbol && null != Symbol.species && t[Symbol.species] === t && Object.defineProperty(t, Symbol.species, {
          value: null,
          configurable: !0,
          enumerable: !1,
          writable: !1
        }), t.poolSize = 8192, t.from = function (e, t, r) {
          return a(e, t, r)
        }, t.prototype.__proto__ = Uint8Array.prototype, t.__proto__ = Uint8Array, t.alloc = function (e, t, r) {
          return function (e, t, r) {
            return c(e), e <= 0 ? s(e) : void 0 !== t ? "string" == typeof r ? s(e).fill(t, r) : s(e).fill(t) : s(e)
          }(e, t, r)
        }, t.allocUnsafe = function (e) {
          return u(e)
        }, t.allocUnsafeSlow = function (e) {
          return u(e)
        }, t.isBuffer = function (e) {
          return null != e && !0 === e._isBuffer && e !== t.prototype
        }, t.compare = function (e, r) {
          if (q(e, Uint8Array) && (e = t.from(e, e.offset, e.byteLength)), q(r, Uint8Array) && (r = t.from(r, r.offset, r.byteLength)), !t.isBuffer(e) || !t.isBuffer(r)) throw new TypeError('The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array');
          if (e === r) return 0;
          for (var n = e.length, i = r.length, o = 0, s = Math.min(n, i); o < s; ++o)
            if (e[o] !== r[o]) {
              n = e[o], i = r[o];
              break
            } return n < i ? -1 : i < n ? 1 : 0
        }, t.isEncoding = function (e) {
          switch (String(e).toLowerCase()) {
            case "hex":
            case "utf8":
            case "utf-8":
            case "ascii":
            case "latin1":
            case "binary":
            case "base64":
            case "ucs2":
            case "ucs-2":
            case "utf16le":
            case "utf-16le":
              return !0;
            default:
              return !1
          }
        }, t.concat = function (e, r) {
          if (!Array.isArray(e)) throw new TypeError('"list" argument must be an Array of Buffers');
          if (0 === e.length) return t.alloc(0);
          var n;
          if (void 0 === r)
            for (r = 0, n = 0; n < e.length; ++n) r += e[n].length;
          var i = t.allocUnsafe(r),
            o = 0;
          for (n = 0; n < e.length; ++n) {
            var s = e[n];
            if (q(s, Uint8Array) && (s = t.from(s)), !t.isBuffer(s)) throw new TypeError('"list" argument must be an Array of Buffers');
            s.copy(i, o), o += s.length
          }
          return i
        }, t.byteLength = p, t.prototype._isBuffer = !0, t.prototype.swap16 = function () {
          var e = this.length;
          if (e % 2 != 0) throw new RangeError("Buffer size must be a multiple of 16-bits");
          for (var t = 0; t < e; t += 2) h(this, t, t + 1);
          return this
        }, t.prototype.swap32 = function () {
          var e = this.length;
          if (e % 4 != 0) throw new RangeError("Buffer size must be a multiple of 32-bits");
          for (var t = 0; t < e; t += 4) h(this, t, t + 3), h(this, t + 1, t + 2);
          return this
        }, t.prototype.swap64 = function () {
          var e = this.length;
          if (e % 8 != 0) throw new RangeError("Buffer size must be a multiple of 64-bits");
          for (var t = 0; t < e; t += 8) h(this, t, t + 7), h(this, t + 1, t + 6), h(this, t + 2, t + 5), h(this, t + 3, t + 4);
          return this
        }, t.prototype.toString = function () {
          var e = this.length;
          return 0 === e ? "" : 0 === arguments.length ? k(this, 0, e) : function (e, t, r) {
            var n = !1;
            if ((void 0 === t || t < 0) && (t = 0), t > this.length) return "";
            if ((void 0 === r || r > this.length) && (r = this.length), r <= 0) return "";
            if ((r >>>= 0) <= (t >>>= 0)) return "";
            for (e || (e = "utf8");;) switch (e) {
              case "hex":
                return C(this, t, r);
              case "utf8":
              case "utf-8":
                return k(this, t, r);
              case "ascii":
                return E(this, t, r);
              case "latin1":
              case "binary":
                return I(this, t, r);
              case "base64":
                return S(this, t, r);
              case "ucs2":
              case "ucs-2":
              case "utf16le":
              case "utf-16le":
                return O(this, t, r);
              default:
                if (n) throw new TypeError("Unknown encoding: " + e);
                e = (e + "").toLowerCase(), n = !0
            }
          }.apply(this, arguments)
        }, t.prototype.toLocaleString = t.prototype.toString, t.prototype.equals = function (e) {
          if (!t.isBuffer(e)) throw new TypeError("Argument must be a Buffer");
          return this === e || 0 === t.compare(this, e)
        }, t.prototype.inspect = function () {
          var e = "",
            t = r.INSPECT_MAX_BYTES;
          return e = this.toString("hex", 0, t).replace(/(.{2})/g, "$1 ").trim(), this.length > t && (e += " ... "), "<Buffer " + e + ">"
        }, t.prototype.compare = function (e, r, n, i, o) {
          if (q(e, Uint8Array) && (e = t.from(e, e.offset, e.byteLength)), !t.isBuffer(e)) throw new TypeError('The "target" argument must be one of type Buffer or Uint8Array. Received type ' + typeof e);
          if (void 0 === r && (r = 0), void 0 === n && (n = e ? e.length : 0), void 0 === i && (i = 0), void 0 === o && (o = this.length), r < 0 || n > e.length || i < 0 || o > this.length) throw new RangeError("out of range index");
          if (i >= o && r >= n) return 0;
          if (i >= o) return -1;
          if (r >= n) return 1;
          if (r >>>= 0, n >>>= 0, i >>>= 0, o >>>= 0, this === e) return 0;
          for (var s = o - i, a = n - r, c = Math.min(s, a), u = this.slice(i, o), l = e.slice(r, n), f = 0; f < c; ++f)
            if (u[f] !== l[f]) {
              s = u[f], a = l[f];
              break
            } return s < a ? -1 : a < s ? 1 : 0
        }, t.prototype.includes = function (e, t, r) {
          return -1 !== this.indexOf(e, t, r)
        }, t.prototype.indexOf = function (e, t, r) {
          return d(this, e, t, r, !0)
        }, t.prototype.lastIndexOf = function (e, t, r) {
          return d(this, e, t, r, !1)
        }, t.prototype.write = function (e, t, r, n) {
          if (void 0 === t) n = "utf8", r = this.length, t = 0;
          else if (void 0 === r && "string" == typeof t) n = t, r = this.length, t = 0;
          else {
            if (!isFinite(t)) throw new Error("Buffer.write(string, encoding, offset[, length]) is no longer supported");
            t >>>= 0, isFinite(r) ? (r >>>= 0, void 0 === n && (n = "utf8")) : (n = r, r = void 0)
          }
          var i = this.length - t;
          if ((void 0 === r || r > i) && (r = i), e.length > 0 && (r < 0 || t < 0) || t > this.length) throw new RangeError("Attempt to write outside buffer bounds");
          n || (n = "utf8");
          for (var o = !1;;) switch (n) {
            case "hex":
              return b(this, e, t, r);
            case "utf8":
            case "utf-8":
              return m(this, e, t, r);
            case "ascii":
              return y(this, e, t, r);
            case "latin1":
            case "binary":
              return _(this, e, t, r);
            case "base64":
              return v(this, e, t, r);
            case "ucs2":
            case "ucs-2":
            case "utf16le":
            case "utf-16le":
              return w(this, e, t, r);
            default:
              if (o) throw new TypeError("Unknown encoding: " + n);
              n = ("" + n).toLowerCase(), o = !0
          }
        }, t.prototype.toJSON = function () {
          return {
            type: "Buffer",
            data: Array.prototype.slice.call(this._arr || this, 0)
          }
        };
        var x = 4096;

        function E(e, t, r) {
          var n = "";
          r = Math.min(e.length, r);
          for (var i = t; i < r; ++i) n += String.fromCharCode(127 & e[i]);
          return n
        }

        function I(e, t, r) {
          var n = "";
          r = Math.min(e.length, r);
          for (var i = t; i < r; ++i) n += String.fromCharCode(e[i]);
          return n
        }

        function C(e, t, r) {
          var n = e.length;
          (!t || t < 0) && (t = 0), (!r || r < 0 || r > n) && (r = n);
          for (var i = "", o = t; o < r; ++o) i += R(e[o]);
          return i
        }

        function O(e, t, r) {
          for (var n = e.slice(t, r), i = "", o = 0; o < n.length; o += 2) i += String.fromCharCode(n[o] + 256 * n[o + 1]);
          return i
        }

        function j(e, t, r) {
          if (e % 1 != 0 || e < 0) throw new RangeError("offset is not uint");
          if (e + t > r) throw new RangeError("Trying to access beyond buffer length")
        }

        function A(e, r, n, i, o, s) {
          if (!t.isBuffer(e)) throw new TypeError('"buffer" argument must be a Buffer instance');
          if (r > o || r < s) throw new RangeError('"value" argument is out of bounds');
          if (n + i > e.length) throw new RangeError("Index out of range")
        }

        function T(e, t, r, n, i, o) {
          if (r + n > e.length) throw new RangeError("Index out of range");
          if (r < 0) throw new RangeError("Index out of range")
        }

        function P(e, t, r, n, o) {
          return t = +t, r >>>= 0, o || T(e, 0, r, 4), i.write(e, t, r, n, 23, 4), r + 4
        }

        function M(e, t, r, n, o) {
          return t = +t, r >>>= 0, o || T(e, 0, r, 8), i.write(e, t, r, n, 52, 8), r + 8
        }
        t.prototype.slice = function (e, r) {
          var n = this.length;
          e = ~~e, r = void 0 === r ? n : ~~r, e < 0 ? (e += n) < 0 && (e = 0) : e > n && (e = n), r < 0 ? (r += n) < 0 && (r = 0) : r > n && (r = n), r < e && (r = e);
          var i = this.subarray(e, r);
          return i.__proto__ = t.prototype, i
        }, t.prototype.readUIntLE = function (e, t, r) {
          e >>>= 0, t >>>= 0, r || j(e, t, this.length);
          for (var n = this[e], i = 1, o = 0; ++o < t && (i *= 256);) n += this[e + o] * i;
          return n
        }, t.prototype.readUIntBE = function (e, t, r) {
          e >>>= 0, t >>>= 0, r || j(e, t, this.length);
          for (var n = this[e + --t], i = 1; t > 0 && (i *= 256);) n += this[e + --t] * i;
          return n
        }, t.prototype.readUInt8 = function (e, t) {
          return e >>>= 0, t || j(e, 1, this.length), this[e]
        }, t.prototype.readUInt16LE = function (e, t) {
          return e >>>= 0, t || j(e, 2, this.length), this[e] | this[e + 1] << 8
        }, t.prototype.readUInt16BE = function (e, t) {
          return e >>>= 0, t || j(e, 2, this.length), this[e] << 8 | this[e + 1]
        }, t.prototype.readUInt32LE = function (e, t) {
          return e >>>= 0, t || j(e, 4, this.length), (this[e] | this[e + 1] << 8 | this[e + 2] << 16) + 16777216 * this[e + 3]
        }, t.prototype.readUInt32BE = function (e, t) {
          return e >>>= 0, t || j(e, 4, this.length), 16777216 * this[e] + (this[e + 1] << 16 | this[e + 2] << 8 | this[e + 3])
        }, t.prototype.readIntLE = function (e, t, r) {
          e >>>= 0, t >>>= 0, r || j(e, t, this.length);
          for (var n = this[e], i = 1, o = 0; ++o < t && (i *= 256);) n += this[e + o] * i;
          return n >= (i *= 128) && (n -= Math.pow(2, 8 * t)), n
        }, t.prototype.readIntBE = function (e, t, r) {
          e >>>= 0, t >>>= 0, r || j(e, t, this.length);
          for (var n = t, i = 1, o = this[e + --n]; n > 0 && (i *= 256);) o += this[e + --n] * i;
          return o >= (i *= 128) && (o -= Math.pow(2, 8 * t)), o
        }, t.prototype.readInt8 = function (e, t) {
          return e >>>= 0, t || j(e, 1, this.length), 128 & this[e] ? -1 * (255 - this[e] + 1) : this[e]
        }, t.prototype.readInt16LE = function (e, t) {
          e >>>= 0, t || j(e, 2, this.length);
          var r = this[e] | this[e + 1] << 8;
          return 32768 & r ? 4294901760 | r : r
        }, t.prototype.readInt16BE = function (e, t) {
          e >>>= 0, t || j(e, 2, this.length);
          var r = this[e + 1] | this[e] << 8;
          return 32768 & r ? 4294901760 | r : r
        }, t.prototype.readInt32LE = function (e, t) {
          return e >>>= 0, t || j(e, 4, this.length), this[e] | this[e + 1] << 8 | this[e + 2] << 16 | this[e + 3] << 24
        }, t.prototype.readInt32BE = function (e, t) {
          return e >>>= 0, t || j(e, 4, this.length), this[e] << 24 | this[e + 1] << 16 | this[e + 2] << 8 | this[e + 3]
        }, t.prototype.readFloatLE = function (e, t) {
          return e >>>= 0, t || j(e, 4, this.length), i.read(this, e, !0, 23, 4)
        }, t.prototype.readFloatBE = function (e, t) {
          return e >>>= 0, t || j(e, 4, this.length), i.read(this, e, !1, 23, 4)
        }, t.prototype.readDoubleLE = function (e, t) {
          return e >>>= 0, t || j(e, 8, this.length), i.read(this, e, !0, 52, 8)
        }, t.prototype.readDoubleBE = function (e, t) {
          return e >>>= 0, t || j(e, 8, this.length), i.read(this, e, !1, 52, 8)
        }, t.prototype.writeUIntLE = function (e, t, r, n) {
          (e = +e, t >>>= 0, r >>>= 0, n) || A(this, e, t, r, Math.pow(2, 8 * r) - 1, 0);
          var i = 1,
            o = 0;
          for (this[t] = 255 & e; ++o < r && (i *= 256);) this[t + o] = e / i & 255;
          return t + r
        }, t.prototype.writeUIntBE = function (e, t, r, n) {
          (e = +e, t >>>= 0, r >>>= 0, n) || A(this, e, t, r, Math.pow(2, 8 * r) - 1, 0);
          var i = r - 1,
            o = 1;
          for (this[t + i] = 255 & e; --i >= 0 && (o *= 256);) this[t + i] = e / o & 255;
          return t + r
        }, t.prototype.writeUInt8 = function (e, t, r) {
          return e = +e, t >>>= 0, r || A(this, e, t, 1, 255, 0), this[t] = 255 & e, t + 1
        }, t.prototype.writeUInt16LE = function (e, t, r) {
          return e = +e, t >>>= 0, r || A(this, e, t, 2, 65535, 0), this[t] = 255 & e, this[t + 1] = e >>> 8, t + 2
        }, t.prototype.writeUInt16BE = function (e, t, r) {
          return e = +e, t >>>= 0, r || A(this, e, t, 2, 65535, 0), this[t] = e >>> 8, this[t + 1] = 255 & e, t + 2
        }, t.prototype.writeUInt32LE = function (e, t, r) {
          return e = +e, t >>>= 0, r || A(this, e, t, 4, 4294967295, 0), this[t + 3] = e >>> 24, this[t + 2] = e >>> 16, this[t + 1] = e >>> 8, this[t] = 255 & e, t + 4
        }, t.prototype.writeUInt32BE = function (e, t, r) {
          return e = +e, t >>>= 0, r || A(this, e, t, 4, 4294967295, 0), this[t] = e >>> 24, this[t + 1] = e >>> 16, this[t + 2] = e >>> 8, this[t + 3] = 255 & e, t + 4
        }, t.prototype.writeIntLE = function (e, t, r, n) {
          if (e = +e, t >>>= 0, !n) {
            var i = Math.pow(2, 8 * r - 1);
            A(this, e, t, r, i - 1, -i)
          }
          var o = 0,
            s = 1,
            a = 0;
          for (this[t] = 255 & e; ++o < r && (s *= 256);) e < 0 && 0 === a && 0 !== this[t + o - 1] && (a = 1), this[t + o] = (e / s >> 0) - a & 255;
          return t + r
        }, t.prototype.writeIntBE = function (e, t, r, n) {
          if (e = +e, t >>>= 0, !n) {
            var i = Math.pow(2, 8 * r - 1);
            A(this, e, t, r, i - 1, -i)
          }
          var o = r - 1,
            s = 1,
            a = 0;
          for (this[t + o] = 255 & e; --o >= 0 && (s *= 256);) e < 0 && 0 === a && 0 !== this[t + o + 1] && (a = 1), this[t + o] = (e / s >> 0) - a & 255;
          return t + r
        }, t.prototype.writeInt8 = function (e, t, r) {
          return e = +e, t >>>= 0, r || A(this, e, t, 1, 127, -128), e < 0 && (e = 255 + e + 1), this[t] = 255 & e, t + 1
        }, t.prototype.writeInt16LE = function (e, t, r) {
          return e = +e, t >>>= 0, r || A(this, e, t, 2, 32767, -32768), this[t] = 255 & e, this[t + 1] = e >>> 8, t + 2
        }, t.prototype.writeInt16BE = function (e, t, r) {
          return e = +e, t >>>= 0, r || A(this, e, t, 2, 32767, -32768), this[t] = e >>> 8, this[t + 1] = 255 & e, t + 2
        }, t.prototype.writeInt32LE = function (e, t, r) {
          return e = +e, t >>>= 0, r || A(this, e, t, 4, 2147483647, -2147483648), this[t] = 255 & e, this[t + 1] = e >>> 8, this[t + 2] = e >>> 16, this[t + 3] = e >>> 24, t + 4
        }, t.prototype.writeInt32BE = function (e, t, r) {
          return e = +e, t >>>= 0, r || A(this, e, t, 4, 2147483647, -2147483648), e < 0 && (e = 4294967295 + e + 1), this[t] = e >>> 24, this[t + 1] = e >>> 16, this[t + 2] = e >>> 8, this[t + 3] = 255 & e, t + 4
        }, t.prototype.writeFloatLE = function (e, t, r) {
          return P(this, e, t, !0, r)
        }, t.prototype.writeFloatBE = function (e, t, r) {
          return P(this, e, t, !1, r)
        }, t.prototype.writeDoubleLE = function (e, t, r) {
          return M(this, e, t, !0, r)
        }, t.prototype.writeDoubleBE = function (e, t, r) {
          return M(this, e, t, !1, r)
        }, t.prototype.copy = function (e, r, n, i) {
          if (!t.isBuffer(e)) throw new TypeError("argument should be a Buffer");
          if (n || (n = 0), i || 0 === i || (i = this.length), r >= e.length && (r = e.length), r || (r = 0), i > 0 && i < n && (i = n), i === n) return 0;
          if (0 === e.length || 0 === this.length) return 0;
          if (r < 0) throw new RangeError("targetStart out of bounds");
          if (n < 0 || n >= this.length) throw new RangeError("Index out of range");
          if (i < 0) throw new RangeError("sourceEnd out of bounds");
          i > this.length && (i = this.length), e.length - r < i - n && (i = e.length - r + n);
          var o = i - n;
          if (this === e && "function" == typeof Uint8Array.prototype.copyWithin) this.copyWithin(r, n, i);
          else if (this === e && n < r && r < i)
            for (var s = o - 1; s >= 0; --s) e[s + r] = this[s + n];
          else Uint8Array.prototype.set.call(e, this.subarray(n, i), r);
          return o
        }, t.prototype.fill = function (e, r, n, i) {
          if ("string" == typeof e) {
            if ("string" == typeof r ? (i = r, r = 0, n = this.length) : "string" == typeof n && (i = n, n = this.length), void 0 !== i && "string" != typeof i) throw new TypeError("encoding must be a string");
            if ("string" == typeof i && !t.isEncoding(i)) throw new TypeError("Unknown encoding: " + i);
            if (1 === e.length) {
              var o = e.charCodeAt(0);
              ("utf8" === i && o < 128 || "latin1" === i) && (e = o)
            }
          } else "number" == typeof e && (e &= 255);
          if (r < 0 || this.length < r || this.length < n) throw new RangeError("Out of range index");
          if (n <= r) return this;
          var s;
          if (r >>>= 0, n = void 0 === n ? this.length : n >>> 0, e || (e = 0), "number" == typeof e)
            for (s = r; s < n; ++s) this[s] = e;
          else {
            var a = t.isBuffer(e) ? e : t.from(e, i),
              c = a.length;
            if (0 === c) throw new TypeError('The value "' + e + '" is invalid for argument "value"');
            for (s = 0; s < n - r; ++s) this[s + r] = a[s % c]
          }
          return this
        };
        var B = /[^+/0-9A-Za-z-_]/g;

        function R(e) {
          return e < 16 ? "0" + e.toString(16) : e.toString(16)
        }

        function N(e, t) {
          var r;
          t = t || 1 / 0;
          for (var n = e.length, i = null, o = [], s = 0; s < n; ++s) {
            if ((r = e.charCodeAt(s)) > 55295 && r < 57344) {
              if (!i) {
                if (r > 56319) {
                  (t -= 3) > -1 && o.push(239, 191, 189);
                  continue
                }
                if (s + 1 === n) {
                  (t -= 3) > -1 && o.push(239, 191, 189);
                  continue
                }
                i = r;
                continue
              }
              if (r < 56320) {
                (t -= 3) > -1 && o.push(239, 191, 189), i = r;
                continue
              }
              r = 65536 + (i - 55296 << 10 | r - 56320)
            } else i && (t -= 3) > -1 && o.push(239, 191, 189);
            if (i = null, r < 128) {
              if ((t -= 1) < 0) break;
              o.push(r)
            } else if (r < 2048) {
              if ((t -= 2) < 0) break;
              o.push(r >> 6 | 192, 63 & r | 128)
            } else if (r < 65536) {
              if ((t -= 3) < 0) break;
              o.push(r >> 12 | 224, r >> 6 & 63 | 128, 63 & r | 128)
            } else {
              if (!(r < 1114112)) throw new Error("Invalid code point");
              if ((t -= 4) < 0) break;
              o.push(r >> 18 | 240, r >> 12 & 63 | 128, r >> 6 & 63 | 128, 63 & r | 128)
            }
          }
          return o
        }

        function U(e) {
          return n.toByteArray(function (e) {
            if ((e = (e = e.split("=")[0]).trim().replace(B, "")).length < 2) return "";
            for (; e.length % 4 != 0;) e += "=";
            return e
          }(e))
        }

        function L(e, t, r, n) {
          for (var i = 0; i < n && !(i + r >= t.length || i >= e.length); ++i) t[i + r] = e[i];
          return i
        }

        function q(e, t) {
          return e instanceof t || null != e && null != e.constructor && null != e.constructor.name && e.constructor.name === t.name
        }

        function F(e) {
          return e != e
        }
      }).call(this, e("buffer").Buffer)
    }, {
      "base64-js": 10,
      buffer: 13,
      ieee754: 87
    }],
    14: [function (e, t, r) {
      (function (e) {
        function t(e) {
          return Object.prototype.toString.call(e)
        }
        r.isArray = function (e) {
          return Array.isArray ? Array.isArray(e) : "[object Array]" === t(e)
        }, r.isBoolean = function (e) {
          return "boolean" == typeof e
        }, r.isNull = function (e) {
          return null === e
        }, r.isNullOrUndefined = function (e) {
          return null == e
        }, r.isNumber = function (e) {
          return "number" == typeof e
        }, r.isString = function (e) {
          return "string" == typeof e
        }, r.isSymbol = function (e) {
          return "symbol" == typeof e
        }, r.isUndefined = function (e) {
          return void 0 === e
        }, r.isRegExp = function (e) {
          return "[object RegExp]" === t(e)
        }, r.isObject = function (e) {
          return "object" == typeof e && null !== e
        }, r.isDate = function (e) {
          return "[object Date]" === t(e)
        }, r.isError = function (e) {
          return "[object Error]" === t(e) || e instanceof Error
        }, r.isFunction = function (e) {
          return "function" == typeof e
        }, r.isPrimitive = function (e) {
          return null === e || "boolean" == typeof e || "number" == typeof e || "string" == typeof e || "symbol" == typeof e || void 0 === e
        }, r.isBuffer = e.isBuffer
      }).call(this, {
        isBuffer: e("../../is-buffer/index.js")
      })
    }, {
      "../../is-buffer/index.js": 89
    }],
    15: [function (e, t, r) {
      "use strict";
      var n, i = e("type/value/is"),
        o = e("type/value/ensure"),
        s = e("type/plain-function/ensure"),
        a = e("es5-ext/object/copy"),
        c = e("es5-ext/object/normalize-options"),
        u = e("es5-ext/object/map"),
        l = Function.prototype.bind,
        f = Object.defineProperty,
        p = Object.prototype.hasOwnProperty;
      n = function (e, t, r) {
        var n, i = o(t) && s(t.value);
        return delete(n = a(t)).writable, delete n.value, n.get = function () {
          return !r.overwriteDefinition && p.call(this, e) ? i : (t.value = l.call(i, r.resolveContext ? r.resolveContext(this) : this), f(this, e, t), this[e])
        }, n
      }, t.exports = function (e) {
        var t = c(arguments[1]);
        return i(t.resolveContext) && s(t.resolveContext), u(e, function (e, r) {
          return n(r, e, t)
        })
      }
    }, {
      "es5-ext/object/copy": 41,
      "es5-ext/object/map": 49,
      "es5-ext/object/normalize-options": 50,
      "type/plain-function/ensure": 126,
      "type/value/ensure": 130,
      "type/value/is": 131
    }],
    16: [function (e, t, r) {
      "use strict";
      var n = e("type/value/is"),
        i = e("type/plain-function/is"),
        o = e("es5-ext/object/assign"),
        s = e("es5-ext/object/normalize-options"),
        a = e("es5-ext/string/#/contains");
      (t.exports = function (e, t) {
        var r, i, c, u, l;
        return arguments.length < 2 || "string" != typeof e ? (u = t, t = e, e = null) : u = arguments[2], n(e) ? (r = a.call(e, "c"), i = a.call(e, "e"), c = a.call(e, "w")) : (r = c = !0, i = !1), l = {
          value: t,
          configurable: r,
          enumerable: i,
          writable: c
        }, u ? o(s(u), l) : l
      }).gs = function (e, t, r) {
        var c, u, l, f;
        return "string" != typeof e ? (l = r, r = t, t = e, e = null) : l = arguments[3], n(t) ? i(t) ? n(r) ? i(r) || (l = r, r = void 0) : r = void 0 : (l = t, t = r = void 0) : t = void 0, n(e) ? (c = a.call(e, "c"), u = a.call(e, "e")) : (c = !0, u = !1), f = {
          get: t,
          set: r,
          configurable: c,
          enumerable: u
        }, l ? o(s(l), f) : f
      }
    }, {
      "es5-ext/object/assign": 38,
      "es5-ext/object/normalize-options": 50,
      "es5-ext/string/#/contains": 57,
      "type/plain-function/is": 127,
      "type/value/is": 131
    }],
    17: [function (e, t, r) {
      (function (n) {
        r.log = function (...e) {
          return "object" == typeof console && console.log && console.log(...e)
        }, r.formatArgs = function (e) {
          if (e[0] = (this.useColors ? "%c" : "") + this.namespace + (this.useColors ? " %c" : " ") + e[0] + (this.useColors ? "%c " : " ") + "+" + t.exports.humanize(this.diff), !this.useColors) return;
          const r = "color: " + this.color;
          e.splice(1, 0, r, "color: inherit");
          let n = 0,
            i = 0;
          e[0].replace(/%[a-zA-Z%]/g, e => {
            "%%" !== e && "%c" === e && (i = ++n)
          }), e.splice(i, 0, r)
        }, r.save = function (e) {
          try {
            e ? r.storage.setItem("debug", e) : r.storage.removeItem("debug")
          } catch (e) {}
        }, r.load = function () {
          let e;
          try {
            e = r.storage.getItem("debug")
          } catch (e) {}!e && void 0 !== n && "env" in n && (e = n.env.DEBUG);
          return e
        }, r.useColors = function () {
          if ("undefined" != typeof window && window.process && ("renderer" === window.process.type || window.process.__nwjs)) return !0;
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      "./valid-callable": 55,
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        i = e("ext/global-this").Symbol;
      t.exports = function (e) {
        return Object.defineProperties(e, {
          hasInstance: n("", i && i.hasInstance || e("hasInstance")),
          isConcatSpreadable: n("", i && i.isConcatSpreadable || e("isConcatSpreadable")),
          iterator: n("", i && i.iterator || e("iterator")),
          match: n("", i && i.match || e("match")),
          replace: n("", i && i.replace || e("replace")),
          search: n("", i && i.search || e("search")),
          species: n("", i && i.species || e("species")),
          split: n("", i && i.split || e("split")),
          toPrimitive: n("", i && i.toPrimitive || e("toPrimitive")),
          toStringTag: n("", i && i.toStringTag || e("toStringTag")),
          unscopables: n("", i && i.unscopables || e("unscopables"))
        })
      }
    }, {
      d: 16,
      "ext/global-this": 85
    }],
    79: [function (e, t, r) {
      "use strict";
      var n = e("d"),
        i = e("../../../validate-symbol"),
        o = Object.create(null);
      t.exports = function (e) {
        return Object.defineProperties(e, {
          for: n(function (t) {
            return o[t] ? o[t] : o[t] = e(String(t))
          }),
          keyFor: n(function (e) {
            var t;
            for (t in i(e), o)
              if (o[t] === e) return t
          })
        })
      }
    }, {
      "../../../validate-symbol": 81,
      d: 16
    }],
    80: [function (e, t, r) {
      "use strict";
      var n, i, o, s = e("d"),
        a = e("./validate-symbol"),
        c = e("ext/global-this").Symbol,
        u = e("./lib/private/generate-name"),
        l = e("./lib/private/setup/standard-symbols"),
        f = e("./lib/private/setup/symbol-registry"),
        p = Object.create,
        h = Object.defineProperties,
        d = Object.defineProperty;
      if ("function" == typeof c) try {
        String(c()), o = !0
      } catch (e) {} else c = null;
      i = function (e) {
        if (this instanceof i) throw new TypeError("Symbol is not a constructor");
        return n(e)
      }, t.exports = n = function e(t) {
        var r;
        if (this instanceof e) throw new TypeError("Symbol is not a constructor");
        return o ? c(t) : (r = p(i.prototype), t = void 0 === t ? "" : String(t), h(r, {
          __description__: s("", t),
          __name__: s("", u(t))
        }))
      }, l(n), f(n), h(i.prototype, {
        constructor: s(n),
        toString: s("", function () {
          return this.__name__
        })
      }), h(n.prototype, {
        toString: s(function () {
          return "Symbol (" + a(this).__description__ + ")"
        }),
        valueOf: s(function () {
          return a(this)
        })
      }), d(n.prototype, n.toPrimitive, s("", function () {
        var e = a(this);
        return "symbol" == typeof e ? e : e.toString()
      })), d(n.prototype, n.toStringTag, s("c", "Symbol")), d(i.prototype, n.toStringTag, s("c", n.prototype[n.toStringTag])), d(i.prototype, n.toPrimitive, s("c", n.prototype[n.toPrimitive]))
    }, {
      "./lib/private/generate-name": 77,
      "./lib/private/setup/standard-symbols": 78,
      "./lib/private/setup/symbol-registry": 79,
      "./validate-symbol": 81,
      d: 16,
      "ext/global-this": 85
    }],
    81: [function (e, t, r) {
      "use strict";
      var n = e("./is-symbol");
      t.exports = function (e) {
        if (!n(e)) throw new TypeError(e + " is not a symbol");
        return e
      }
    }, {
      "./is-symbol": 76
    }],
    82: [function (e, t, r) {
      "use strict";
      var n, i, o, s, a, c, u, l = e("d"),
        f = e("es5-ext/object/valid-callable"),
        p = Function.prototype.apply,
        h = Function.prototype.call,
        d = Object.create,
        g = Object.defineProperty,
        b = Object.defineProperties,
        m = Object.prototype.hasOwnProperty,
        y = {
          configurable: !0,
          enumerable: !1,
          writable: !0
        };
      a = {
        on: n = function (e, t) {
          var r;
          return f(t), m.call(this, "__ee__") ? r = this.__ee__ : (r = y.value = d(null), g(this, "__ee__", y), y.value = null), r[e] ? "object" == typeof r[e] ? r[e].push(t) : r[e] = [r[e], t] : r[e] = t, this
        },
        once: i = function (e, t) {
          var r, i;
          return f(t), i = this, n.call(this, e, r = function () {
            o.call(i, e, r), p.call(t, this, arguments)
          }), r.__eeOnceListener__ = t, this
        },
        off: o = function (e, t) {
          var r, n, i, o;
          if (f(t), !m.call(this, "__ee__")) return this;
          if (!(r = this.__ee__)[e]) return this;
          if ("object" == typeof (n = r[e]))
            for (o = 0; i = n[o]; ++o) i !== t && i.__eeOnceListener__ !== t || (2 === n.length ? r[e] = n[o ? 0 : 1] : n.splice(o, 1));
          else n !== t && n.__eeOnceListener__ !== t || delete r[e];
          return this
        },
        emit: s = function (e) {
          var t, r, n, i, o;
          if (m.call(this, "__ee__") && (i = this.__ee__[e]))
            if ("object" == typeof i) {
              for (r = arguments.length, o = new Array(r - 1), t = 1; t < r; ++t) o[t - 1] = arguments[t];
              for (i = i.slice(), t = 0; n = i[t]; ++t) p.call(n, this, o)
            } else switch (arguments.length) {
              case 1:
                h.call(i, this);
                break;
              case 2:
                h.call(i, this, arguments[1]);
                break;
              case 3:
                h.call(i, this, arguments[1], arguments[2]);
                break;
              default:
                for (r = arguments.length, o = new Array(r - 1), t = 1; t < r; ++t) o[t - 1] = arguments[t];
                p.call(i, this, o)
            }
        }
      }, c = {
        on: l(n),
        once: l(i),
        off: l(o),
        emit: l(s)
      }, u = b({}, c), t.exports = r = function (e) {
        return null == e ? d(u) : b(Object(e), c)
      }, r.methods = a
    }, {
      d: 16,
      "es5-ext/object/valid-callable": 55
    }],
    83: [function (e, t, r) {
      var n = Object.create || function (e) {
          var t = function () {};
          return t.prototype = e, new t
        },
        i = Object.keys || function (e) {
          var t = [];
          for (var r in e) Object.prototype.hasOwnProperty.call(e, r) && t.push(r);
          return r
        },
        o = Function.prototype.bind || function (e) {
          var t = this;
          return function () {
            return t.apply(e, arguments)
          }
        };

      function s() {
        this._events && Object.prototype.hasOwnProperty.call(this, "_events") || (this._events = n(null), this._eventsCount = 0), this._maxListeners = this._maxListeners || void 0
      }
      t.exports = s, s.EventEmitter = s, s.prototype._events = void 0, s.prototype._maxListeners = void 0;
      var a, c = 10;
      try {
        var u = {};
        Object.defineProperty && Object.defineProperty(u, "x", {
          value: 0
        }), a = 0 === u.x
      } catch (e) {
        a = !1
      }

      function l(e) {
        return void 0 === e._maxListeners ? s.defaultMaxListeners : e._maxListeners
      }

      function f(e, t, r, i) {
        var o, s, a;
        if ("function" != typeof r) throw new TypeError('"listener" argument must be a function');
        if ((s = e._events) ? (s.newListener && (e.emit("newListener", t, r.listener ? r.listener : r), s = e._events), a = s[t]) : (s = e._events = n(null), e._eventsCount = 0), a) {
          if ("function" == typeof a ? a = s[t] = i ? [r, a] : [a, r] : i ? a.unshift(r) : a.push(r), !a.warned && (o = l(e)) && o > 0 && a.length > o) {
            a.warned = !0;
            var c = new Error("Possible EventEmitter memory leak detected. " + a.length + ' "' + String(t) + '" listeners added. Use emitter.setMaxListeners() to increase limit.');
            c.name = "MaxListenersExceededWarning", c.emitter = e, c.type = t, c.count = a.length, "object" == typeof console && console.warn && console.warn("%s: %s", c.name, c.message)
          }
        } else a = s[t] = r, ++e._eventsCount;
        return e
      }

      function p() {
        if (!this.fired) switch (this.target.removeListener(this.type, this.wrapFn), this.fired = !0, arguments.length) {
          case 0:
            return this.listener.call(this.target);
          case 1:
            return this.listener.call(this.target, arguments[0]);
          case 2:
            return this.listener.call(this.target, arguments[0], arguments[1]);
          case 3:
            return this.listener.call(this.target, arguments[0], arguments[1], arguments[2]);
          default:
            for (var e = new Array(arguments.length), t = 0; t < e.length; ++t) e[t] = arguments[t];
            this.listener.apply(this.target, e)
        }
      }

      function h(e, t, r) {
        var n = {
            fired: !1,
            wrapFn: void 0,
            target: e,
            type: t,
            listener: r
          },
          i = o.call(p, n);
        return i.listener = r, n.wrapFn = i, i
      }

      function d(e, t, r) {
        var n = e._events;
        if (!n) return [];
        var i = n[t];
        return i ? "function" == typeof i ? r ? [i.listener || i] : [i] : r ? function (e) {
          for (var t = new Array(e.length), r = 0; r < t.length; ++r) t[r] = e[r].listener || e[r];
          return t
        }(i) : b(i, i.length) : []
      }

      function g(e) {
        var t = this._events;
        if (t) {
          var r = t[e];
          if ("function" == typeof r) return 1;
          if (r) return r.length
        }
        return 0
      }

      function b(e, t) {
        for (var r = new Array(t), n = 0; n < t; ++n) r[n] = e[n];
        return r
      }
      a ? Object.defineProperty(s, "defaultMaxListeners", {
        enumerable: !0,
        get: function () {
          return c
        },
        set: function (e) {
          if ("number" != typeof e || e < 0 || e != e) throw new TypeError('"defaultMaxListeners" must be a positive number');
          c = e
        }
      }) : s.defaultMaxListeners = c, s.prototype.setMaxListeners = function (e) {
        if ("number" != typeof e || e < 0 || isNaN(e)) throw new TypeError('"n" argument must be a positive number');
        return this._maxListeners = e, this
      }, s.prototype.getMaxListeners = function () {
        return l(this)
      }, s.prototype.emit = function (e) {
        var t, r, n, i, o, s, a = "error" === e;
        if (s = this._events) a = a && null == s.error;
        else if (!a) return !1;
        if (a) {
          if (arguments.length > 1 && (t = arguments[1]), t instanceof Error) throw t;
          var c = new Error('Unhandled "error" event. (' + t + ")");
          throw c.context = t, c
        }
        if (!(r = s[e])) return !1;
        var u = "function" == typeof r;
        switch (n = arguments.length) {
          case 1:
            ! function (e, t, r) {
              if (t) e.call(r);
              else
                for (var n = e.length, i = b(e, n), o = 0; o < n; ++o) i[o].call(r)
            }(r, u, this);
            break;
          case 2:
            ! function (e, t, r, n) {
              if (t) e.call(r, n);
              else
                for (var i = e.length, o = b(e, i), s = 0; s < i; ++s) o[s].call(r, n)
            }(r, u, this, arguments[1]);
            break;
          case 3:
            ! function (e, t, r, n, i) {
              if (t) e.call(r, n, i);
              else
                for (var o = e.length, s = b(e, o), a = 0; a < o; ++a) s[a].call(r, n, i)
            }(r, u, this, arguments[1], arguments[2]);
            break;
          case 4:
            ! function (e, t, r, n, i, o) {
              if (t) e.call(r, n, i, o);
              else
                for (var s = e.length, a = b(e, s), c = 0; c < s; ++c) a[c].call(r, n, i, o)
            }(r, u, this, arguments[1], arguments[2], arguments[3]);
            break;
          default:
            for (i = new Array(n - 1), o = 1; o < n; o++) i[o - 1] = arguments[o];
            ! function (e, t, r, n) {
              if (t) e.apply(r, n);
              else
                for (var i = e.length, o = b(e, i), s = 0; s < i; ++s) o[s].apply(r, n)
            }(r, u, this, i)
        }
        return !0
      }, s.prototype.addListener = function (e, t) {
        return f(this, e, t, !1)
      }, s.prototype.on = s.prototype.addListener, s.prototype.prependListener = function (e, t) {
        return f(this, e, t, !0)
      }, s.prototype.once = function (e, t) {
        if ("function" != typeof t) throw new TypeError('"listener" argument must be a function');
        return this.on(e, h(this, e, t)), this
      }, s.prototype.prependOnceListener = function (e, t) {
        if ("function" != typeof t) throw new TypeError('"listener" argument must be a function');
        return this.prependListener(e, h(this, e, t)), this
      }, s.prototype.removeListener = function (e, t) {
        var r, i, o, s, a;
        if ("function" != typeof t) throw new TypeError('"listener" argument must be a function');
        if (!(i = this._events)) return this;
        if (!(r = i[e])) return this;
        if (r === t || r.listener === t) 0 == --this._eventsCount ? this._events = n(null) : (delete i[e], i.removeListener && this.emit("removeListener", e, r.listener || t));
        else if ("function" != typeof r) {
          for (o = -1, s = r.length - 1; s >= 0; s--)
            if (r[s] === t || r[s].listener === t) {
              a = r[s].listener, o = s;
              break
            } if (o < 0) return this;
          0 === o ? r.shift() : function (e, t) {
            for (var r = t, n = r + 1, i = e.length; n < i; r += 1, n += 1) e[r] = e[n];
            e.pop()
          }(r, o), 1 === r.length && (i[e] = r[0]), i.removeListener && this.emit("removeListener", e, a || t)
        }
        return this
      }, s.prototype.removeAllListeners = function (e) {
        var t, r, o;
        if (!(r = this._events)) return this;
        if (!r.removeListener) return 0 === arguments.length ? (this._events = n(null), this._eventsCount = 0) : r[e] && (0 == --this._eventsCount ? this._events = n(null) : delete r[e]), this;
        if (0 === arguments.length) {
          var s, a = i(r);
          for (o = 0; o < a.length; ++o) "removeListener" !== (s = a[o]) && this.removeAllListeners(s);
          return this.removeAllListeners("removeListener"), this._events = n(null), this._eventsCount = 0, this
        }
        if ("function" == typeof (t = r[e])) this.removeListener(e, t);
        else if (t)
          for (o = t.length - 1; o >= 0; o--) this.removeListener(e, t[o]);
        return this
      }, s.prototype.listeners = function (e) {
        return d(this, e, !0)
      }, s.prototype.rawListeners = function (e) {
        return d(this, e, !1)
      }, s.listenerCount = function (e, t) {
        return "function" == typeof e.listenerCount ? e.listenerCount(t) : g.call(e, t)
      }, s.prototype.listenerCount = g, s.prototype.eventNames = function () {
        return this._eventsCount > 0 ? Reflect.ownKeys(this._events) : []
      }
    }, {}],
    84: [function (e, t, r) {
      var n = function () {
        if ("object" == typeof self && self) return self;
        if ("object" == typeof window && window) return window;
        throw new Error("Unable to resolve global `this`")
      };
      t.exports = function () {
        if (this) return this;
        try {
          Object.defineProperty(Object.prototype, "__global__", {
            get: function () {
              return this
            },
            configurable: !0
          })
        } catch (e) {
          return n()
        }
        try {
          return __global__ || n()
        } finally {
          delete Object.prototype.__global__
        }
      }()
    }, {}],
    85: [function (e, t, r) {
      "use strict";
      t.exports = e("./is-implemented")() ? globalThis : e("./implementation")
    }, {
      "./implementation": 84,
      "./is-implemented": 86
    }],
    86: [function (e, t, r) {
      "use strict";
      t.exports = function () {
        return "object" == typeof globalThis && (!!globalThis && globalThis.Array === Array)
      }
    }, {}],
    87: [function (e, t, r) {
      r.read = function (e, t, r, n, i) {
        var o, s, a = 8 * i - n - 1,
          c = (1 << a) - 1,
          u = c >> 1,
          l = -7,
          f = r ? i - 1 : 0,
          p = r ? -1 : 1,
          h = e[t + f];
        for (f += p, o = h & (1 << -l) - 1, h >>= -l, l += a; l > 0; o = 256 * o + e[t + f], f += p, l -= 8);
        for (s = o & (1 << -l) - 1, o >>= -l, l += n; l > 0; s = 256 * s + e[t + f], f += p, l -= 8);
        if (0 === o) o = 1 - u;
        else {
          if (o === c) return s ? NaN : 1 / 0 * (h ? -1 : 1);
          s += Math.pow(2, n), o -= u
        }
        return (h ? -1 : 1) * s * Math.pow(2, o - n)
      }, r.write = function (e, t, r, n, i, o) {
        var s, a, c, u = 8 * o - i - 1,
          l = (1 << u) - 1,
          f = l >> 1,
          p = 23 === i ? Math.pow(2, -24) - Math.pow(2, -77) : 0,
          h = n ? 0 : o - 1,
          d = n ? 1 : -1,
          g = t < 0 || 0 === t && 1 / t < 0 ? 1 : 0;
        for (t = Math.abs(t), isNaN(t) || t === 1 / 0 ? (a = isNaN(t) ? 1 : 0, s = l) : (s = Math.floor(Math.log(t) / Math.LN2), t * (c = Math.pow(2, -s)) < 1 && (s--, c *= 2), (t += s + f >= 1 ? p / c : p * Math.pow(2, 1 - f)) * c >= 2 && (s++, c /= 2), s + f >= l ? (a = 0, s = l) : s + f >= 1 ? (a = (t * c - 1) * Math.pow(2, i), s += f) : (a = t * Math.pow(2, f - 1) * Math.pow(2, i), s = 0)); i >= 8; e[r + h] = 255 & a, h += d, a /= 256, i -= 8);
        for (s = s << i | a, u += i; u > 0; e[r + h] = 255 & s, h += d, s /= 256, u -= 8);
        e[r + h - d] |= 128 * g
      }
    }, {}],
    88: [function (e, t, r) {
      "function" == typeof Object.create ? t.exports = function (e, t) {
        t && (e.super_ = t, e.prototype = Object.create(t.prototype, {
          constructor: {
            value: e,
            enumerable: !1,
            writable: !0,
            configurable: !0
          }
        }))
      } : t.exports = function (e, t) {
        if (t) {
          e.super_ = t;
          var r = function () {};
          r.prototype = t.prototype, e.prototype = new r, e.prototype.constructor = e
        }
      }
    }, {}],
    89: [function (e, t, r) {
      function n(e) {
        return !!e.constructor && "function" == typeof e.constructor.isBuffer && e.constructor.isBuffer(e)
      }
      t.exports = function (e) {
        return null != e && (n(e) || function (e) {
          return "function" == typeof e.readFloatLE && "function" == typeof e.slice && n(e.slice(0, 0))
        }(e) || !!e._isBuffer)
      }
    }, {}],
    90: [function (e, t, r) {
      var n = {}.toString;
      t.exports = Array.isArray || function (e) {
        return "[object Array]" == n.call(e)
      }
    }, {}],
    91: [function (e, t, r) {
      "use strict";
      var n = e("safe-buffer").Buffer,
        i = t.exports;
      for (var o in i.types = {
          0: "reserved",
          1: "connect",
          2: "connack",
          3: "publish",
          4: "puback",
          5: "pubrec",
          6: "pubrel",
          7: "pubcomp",
          8: "subscribe",
          9: "suback",
          10: "unsubscribe",
          11: "unsuback",
          12: "pingreq",
          13: "pingresp",
          14: "disconnect",
          15: "auth"
        }, i.codes = {}, i.types) {
        var s = i.types[o];
        i.codes[s] = o
      }
      for (var a in i.CMD_SHIFT = 4, i.CMD_MASK = 240, i.DUP_MASK = 8, i.QOS_MASK = 3, i.QOS_SHIFT = 1, i.RETAIN_MASK = 1, i.LENGTH_MASK = 127, i.LENGTH_FIN_MASK = 128, i.SESSIONPRESENT_MASK = 1, i.SESSIONPRESENT_HEADER = n.from([i.SESSIONPRESENT_MASK]), i.CONNACK_HEADER = n.from([i.codes.connack << i.CMD_SHIFT]), i.USERNAME_MASK = 128, i.PASSWORD_MASK = 64, i.WILL_RETAIN_MASK = 32, i.WILL_QOS_MASK = 24, i.WILL_QOS_SHIFT = 3, i.WILL_FLAG_MASK = 4, i.CLEAN_SESSION_MASK = 2, i.CONNECT_HEADER = n.from([i.codes.connect << i.CMD_SHIFT]), i.properties = {
          sessionExpiryInterval: 17,
          willDelayInterval: 24,
          receiveMaximum: 33,
          maximumPacketSize: 39,
          topicAliasMaximum: 34,
          requestResponseInformation: 25,
          requestProblemInformation: 23,
          userProperties: 38,
          authenticationMethod: 21,
          authenticationData: 22,
          payloadFormatIndicator: 1,
          messageExpiryInterval: 2,
          contentType: 3,
          responseTopic: 8,
          correlationData: 9,
          maximumQoS: 36,
          retainAvailable: 37,
          assignedClientIdentifier: 18,
          reasonString: 31,
          wildcardSubscriptionAvailable: 40,
          subscriptionIdentifiersAvailable: 41,
          sharedSubscriptionAvailable: 42,
          serverKeepAlive: 19,
          responseInformation: 26,
          serverReference: 28,
          topicAlias: 35,
          subscriptionIdentifier: 11
        }, i.propertiesCodes = {}, i.properties) {
        var c = i.properties[a];
        i.propertiesCodes[c] = a
      }

      function u(e) {
        return [0, 1, 2].map(function (t) {
          return [0, 1].map(function (r) {
            return [0, 1].map(function (o) {
              var s = n.alloc(1);
              return s.writeUInt8(i.codes[e] << i.CMD_SHIFT | (r ? i.DUP_MASK : 0) | t << i.QOS_SHIFT | o, 0, !0), s
            })
          })
        })
      }
      i.propertiesTypes = {
        sessionExpiryInterval: "int32",
        willDelayInterval: "int32",
        receiveMaximum: "int16",
        maximumPacketSize: "int32",
        topicAliasMaximum: "int16",
        requestResponseInformation: "byte",
        requestProblemInformation: "byte",
        userProperties: "pair",
        authenticationMethod: "string",
        authenticationData: "binary",
        payloadFormatIndicator: "byte",
        messageExpiryInterval: "int32",
        contentType: "string",
        responseTopic: "string",
        correlationData: "binary",
        maximumQoS: "int8",
        retainAvailable: "byte",
        assignedClientIdentifier: "string",
        reasonString: "string",
        wildcardSubscriptionAvailable: "byte",
        subscriptionIdentifiersAvailable: "byte",
        sharedSubscriptionAvailable: "byte",
        serverKeepAlive: "int16",
        responseInformation: "string",
        serverReference: "string",
        topicAlias: "int16",
        subscriptionIdentifier: "var"
      }, i.PUBLISH_HEADER = u("publish"), i.SUBSCRIBE_HEADER = u("subscribe"), i.SUBSCRIBE_OPTIONS_QOS_MASK = 3, i.SUBSCRIBE_OPTIONS_NL_MASK = 1, i.SUBSCRIBE_OPTIONS_NL_SHIFT = 2, i.SUBSCRIBE_OPTIONS_RAP_MASK = 1, i.SUBSCRIBE_OPTIONS_RAP_SHIFT = 3, i.SUBSCRIBE_OPTIONS_RH_MASK = 3, i.SUBSCRIBE_OPTIONS_RH_SHIFT = 4, i.SUBSCRIBE_OPTIONS_RH = [0, 16, 32], i.SUBSCRIBE_OPTIONS_NL = 4, i.SUBSCRIBE_OPTIONS_RAP = 8, i.SUBSCRIBE_OPTIONS_QOS = [0, 1, 2], i.UNSUBSCRIBE_HEADER = u("unsubscribe"), i.ACKS = {
        unsuback: u("unsuback"),
        puback: u("puback"),
        pubcomp: u("pubcomp"),
        pubrel: u("pubrel"),
        pubrec: u("pubrec")
      }, i.SUBACK_HEADER = n.from([i.codes.suback << i.CMD_SHIFT]), i.VERSION3 = n.from([3]), i.VERSION4 = n.from([4]), i.VERSION5 = n.from([5]), i.QOS = [0, 1, 2].map(function (e) {
        return n.from([e])
      }), i.EMPTY = {
        pingreq: n.from([i.codes.pingreq << 4, 0]),
        pingresp: n.from([i.codes.pingresp << 4, 0]),
        disconnect: n.from([i.codes.disconnect << 4, 0])
      }
    }, {
      "safe-buffer": 117
    }],
    92: [function (e, t, r) {
      "use strict";
      var n = e("safe-buffer").Buffer,
        i = e("./writeToStream"),
        o = e("events").EventEmitter;

      function s() {
        this._array = new Array(20), this._i = 0
      }
      e("inherits")(s, o), s.prototype.write = function (e) {
        return this._array[this._i++] = e, !0
      }, s.prototype.concat = function () {
        var e, t, r = 0,
          i = new Array(this._array.length),
          o = this._array,
          s = 0;
        for (e = 0; e < o.length && void 0 !== o[e]; e++) "string" != typeof o[e] ? i[e] = o[e].length : i[e] = n.byteLength(o[e]), r += i[e];
        for (t = n.allocUnsafe(r), e = 0; e < o.length && void 0 !== o[e]; e++) "string" != typeof o[e] ? (o[e].copy(t, s), s += i[e]) : (t.write(o[e], s), s += i[e]);
        return t
      }, t.exports = function (e, t) {
        var r = new s;
        return i(e, r, t), r.concat()
      }
    }, {
      "./writeToStream": 97,
      events: 83,
      inherits: 88,
      "safe-buffer": 117
    }],
    93: [function (e, t, r) {
      "use strict";
      r.parser = e("./parser"), r.generate = e("./generate"), r.writeToStream = e("./writeToStream")
    }, {
      "./generate": 92,
      "./parser": 96,
      "./writeToStream": 97
    }],
    94: [function (e, t, r) {
      "use strict";
      var n = e("safe-buffer").Buffer,
        i = 65536,
        o = {};

      function s(e) {
        var t = n.allocUnsafe(2);
        return t.writeUInt8(e >> 8, 0), t.writeUInt8(255 & e, 1), t
      }
      t.exports = {
        cache: o,
        generateCache: function () {
          for (var e = 0; e < i; e++) o[e] = s(e)
        },
        generateNumber: s,
        genBufVariableByteInt: function (e) {
          var t = 0,
            r = 0,
            i = function (e) {
              return e >= 0 && e < 128 ? 1 : e >= 128 && e < 16384 ? 2 : e >= 16384 && e < 2097152 ? 3 : e >= 2097152 && e < 268435456 ? 4 : 0
            }(e),
            o = n.allocUnsafe(i);
          do {
            t = e % 128 | 0, (e = e / 128 | 0) > 0 && (t |= 128), o.writeUInt8(t, r++)
          } while (e > 0);
          return {
            data: o,
            length: i
          }
        },
        generate4ByteBuffer: function (e) {
          var t = n.allocUnsafe(4);
          return t.writeUInt32BE(e, 0), t
        }
      }
    }, {
      "safe-buffer": 117
    }],
    95: [function (e, t, r) {
      t.exports = function () {
        this.cmd = null, this.retain = !1, this.qos = 0, this.dup = !1, this.length = -1, this.topic = null, this.payload = null
      }
    }, {}],
    96: [function (e, t, r) {
      "use strict";
      var n = e("bl"),
        i = e("inherits"),
        o = e("events").EventEmitter,
        s = e("./packet"),
        a = e("./constants"),
        c = e("debug")("mqtt-packet:parser");

      function u(e) {
        if (!(this instanceof u)) return new u(e);
        this.settings = e || {}, this._states = ["_parseHeader", "_parseLength", "_parsePayload", "_newPacket"], this._resetState()
      }
      i(u, o), u.prototype._resetState = function () {
        c("_resetState: resetting packet, error, _list, and _stateCounter"), this.packet = new s, this.error = null, this._list = n(), this._stateCounter = 0
      }, u.prototype.parse = function (e) {
        for (this.error && this._resetState(), this._list.append(e), c("parse: current state: %s", this._states[this._stateCounter]);
          (-1 !== this.packet.length || this._list.length > 0) && this[this._states[this._stateCounter]]() && !this.error;) this._stateCounter++, c("parse: state complete. _stateCounter is now: %d", this._stateCounter), c("parse: packet.length: %d, buffer list length: %d", this.packet.length, this._list.length), this._stateCounter >= this._states.length && (this._stateCounter = 0);
        return c("parse: exited while loop. packet: %d, buffer list length: %d", this.packet.length, this._list.length), this._list.length
      }, u.prototype._parseHeader = function () {
        var e = this._list.readUInt8(0);
        return this.packet.cmd = a.types[e >> a.CMD_SHIFT], this.packet.retain = 0 != (e & a.RETAIN_MASK), this.packet.qos = e >> a.QOS_SHIFT & a.QOS_MASK, this.packet.dup = 0 != (e & a.DUP_MASK), c("_parseHeader: packet: %o", this.packet), this._list.consume(1), !0
      }, u.prototype._parseLength = function () {
        var e = this._parseVarByteNum(!0);
        return e && (this.packet.length = e.value, this._list.consume(e.bytes)), c("_parseLength %d", e.value), !!e
      }, u.prototype._parsePayload = function () {
        c("_parsePayload: payload %O", this._list);
        var e = !1;
        if (0 === this.packet.length || this._list.length >= this.packet.length) {
          switch (this._pos = 0, this.packet.cmd) {
            case "connect":
              this._parseConnect();
              break;
            case "connack":
              this._parseConnack();
              break;
            case "publish":
              this._parsePublish();
              break;
            case "puback":
            case "pubrec":
            case "pubrel":
            case "pubcomp":
              this._parseConfirmation();
              break;
            case "subscribe":
              this._parseSubscribe();
              break;
            case "suback":
              this._parseSuback();
              break;
            case "unsubscribe":
              this._parseUnsubscribe();
              break;
            case "unsuback":
              this._parseUnsuback();
              break;
            case "pingreq":
            case "pingresp":
              break;
            case "disconnect":
              this._parseDisconnect();
              break;
            case "auth":
              this._parseAuth();
              break;
            default:
              this._emitError(new Error("Not supported"))
          }
          e = !0
        }
        return c("_parsePayload complete result: %s", e), e
      }, u.prototype._parseConnect = function () {
        var e, t, r, n, i, o;
        c("_parseConnect");
        var s = {},
          u = this.packet;
        if (null === (e = this._parseString())) return this._emitError(new Error("Cannot parse protocolId"));
        if ("MQTT" !== e && "MQIsdp" !== e) return this._emitError(new Error("Invalid protocolId"));
        if (u.protocolId = e, this._pos >= this._list.length) return this._emitError(new Error("Packet too short"));
        if (u.protocolVersion = this._list.readUInt8(this._pos), 3 !== u.protocolVersion && 4 !== u.protocolVersion && 5 !== u.protocolVersion) return this._emitError(new Error("Invalid protocol version"));
        if (this._pos++, this._pos >= this._list.length) return this._emitError(new Error("Packet too short"));
        if (s.username = this._list.readUInt8(this._pos) & a.USERNAME_MASK, s.password = this._list.readUInt8(this._pos) & a.PASSWORD_MASK, s.will = this._list.readUInt8(this._pos) & a.WILL_FLAG_MASK, s.will && (u.will = {}, u.will.retain = 0 != (this._list.readUInt8(this._pos) & a.WILL_RETAIN_MASK), u.will.qos = (this._list.readUInt8(this._pos) & a.WILL_QOS_MASK) >> a.WILL_QOS_SHIFT), u.clean = 0 != (this._list.readUInt8(this._pos) & a.CLEAN_SESSION_MASK), this._pos++, u.keepalive = this._parseNum(), -1 === u.keepalive) return this._emitError(new Error("Packet too short"));
        if (5 === u.protocolVersion) {
          var l = this._parseProperties();
          Object.getOwnPropertyNames(l).length && (u.properties = l)
        }
        if (null === (t = this._parseString())) return this._emitError(new Error("Packet too short"));
        if (u.clientId = t, c("_parseConnect: packet.clientId: %s", u.clientId), s.will) {
          if (5 === u.protocolVersion) {
            var f = this._parseProperties();
            Object.getOwnPropertyNames(f).length && (u.will.properties = f)
          }
          if (null === (r = this._parseString())) return this._emitError(new Error("Cannot parse will topic"));
          if (u.will.topic = r, c("_parseConnect: packet.will.topic: %s", u.will.topic), null === (n = this._parseBuffer())) return this._emitError(new Error("Cannot parse will payload"));
          u.will.payload = n, c("_parseConnect: packet.will.paylaod: %s", u.will.payload)
        }
        if (s.username) {
          if (null === (o = this._parseString())) return this._emitError(new Error("Cannot parse username"));
          u.username = o, c("_parseConnect: packet.username: %s", u.username)
        }
        if (s.password) {
          if (null === (i = this._parseBuffer())) return this._emitError(new Error("Cannot parse password"));
          u.password = i
        }
        return this.settings = u, c("_parseConnect: complete"), u
      }, u.prototype._parseConnack = function () {
        c("_parseConnack");
        var e = this.packet;
        if (this._list.length < 2) return null;
        if (e.sessionPresent = !!(this._list.readUInt8(this._pos++) & a.SESSIONPRESENT_MASK), 5 === this.settings.protocolVersion ? e.reasonCode = this._list.readUInt8(this._pos++) : e.returnCode = this._list.readUInt8(this._pos++), -1 === e.returnCode || -1 === e.reasonCode) return this._emitError(new Error("Cannot parse return code"));
        if (5 === this.settings.protocolVersion) {
          var t = this._parseProperties();
          Object.getOwnPropertyNames(t).length && (e.properties = t)
        }
        c("_parseConnack: complete")
      }, u.prototype._parsePublish = function () {
        c("_parsePublish");
        var e = this.packet;
        if (e.topic = this._parseString(), null === e.topic) return this._emitError(new Error("Cannot parse topic"));
        if (!(e.qos > 0) || this._parseMessageId()) {
          if (5 === this.settings.protocolVersion) {
            var t = this._parseProperties();
            Object.getOwnPropertyNames(t).length && (e.properties = t)
          }
          e.payload = this._list.slice(this._pos, e.length), c("_parsePublish: payload from buffer list: %o", e.payload)
        }
      }, u.prototype._parseSubscribe = function () {
        c("_parseSubscribe");
        var e, t, r, n, i, o, s, u = this.packet;
        if (1 !== u.qos) return this._emitError(new Error("Wrong subscribe header"));
        if (u.subscriptions = [], this._parseMessageId()) {
          if (5 === this.settings.protocolVersion) {
            var l = this._parseProperties();
            Object.getOwnPropertyNames(l).length && (u.properties = l)
          }
          for (; this._pos < u.length;) {
            if (null === (e = this._parseString())) return this._emitError(new Error("Cannot parse topic"));
            if (this._pos >= u.length) return this._emitError(new Error("Malformed Subscribe Payload"));
            r = (t = this._parseByte()) & a.SUBSCRIBE_OPTIONS_QOS_MASK, o = 0 != (t >> a.SUBSCRIBE_OPTIONS_NL_SHIFT & a.SUBSCRIBE_OPTIONS_NL_MASK), i = 0 != (t >> a.SUBSCRIBE_OPTIONS_RAP_SHIFT & a.SUBSCRIBE_OPTIONS_RAP_MASK), n = t >> a.SUBSCRIBE_OPTIONS_RH_SHIFT & a.SUBSCRIBE_OPTIONS_RH_MASK, s = {
              topic: e,
              qos: r
            }, 5 === this.settings.protocolVersion && (s.nl = o, s.rap = i, s.rh = n), c("_parseSubscribe: push subscription `%s` to subscription", s), u.subscriptions.push(s)
          }
        }
      }, u.prototype._parseSuback = function () {
        c("_parseSuback");
        var e = this.packet;
        if (this.packet.granted = [], this._parseMessageId()) {
          if (5 === this.settings.protocolVersion) {
            var t = this._parseProperties();
            Object.getOwnPropertyNames(t).length && (e.properties = t)
          }
          for (; this._pos < this.packet.length;) this.packet.granted.push(this._list.readUInt8(this._pos++))
        }
      }, u.prototype._parseUnsubscribe = function () {
        c("_parseUnsubscribe");
        var e = this.packet;
        if (e.unsubscriptions = [], this._parseMessageId()) {
          if (5 === this.settings.protocolVersion) {
            var t = this._parseProperties();
            Object.getOwnPropertyNames(t).length && (e.properties = t)
          }
          for (; this._pos < e.length;) {
            var r;
            if (null === (r = this._parseString())) return this._emitError(new Error("Cannot parse topic"));
            c("_parseUnsubscribe: push topic `%s` to unsubscriptions", r), e.unsubscriptions.push(r)
          }
        }
      }, u.prototype._parseUnsuback = function () {
        c("_parseUnsuback");
        var e = this.packet;
        if (!this._parseMessageId()) return this._emitError(new Error("Cannot parse messageId"));
        if (5 === this.settings.protocolVersion) {
          var t = this._parseProperties();
          for (Object.getOwnPropertyNames(t).length && (e.properties = t), e.granted = []; this._pos < this.packet.length;) this.packet.granted.push(this._list.readUInt8(this._pos++))
        }
      }, u.prototype._parseConfirmation = function () {
        c("_parseConfirmation: packet.cmd: `%s`", this.packet.cmd);
        var e = this.packet;
        if (this._parseMessageId(), 5 === this.settings.protocolVersion && (e.length > 2 && (e.reasonCode = this._parseByte(), c("_parseConfirmation: packet.reasonCode `%d`", e.reasonCode)), e.length > 3)) {
          var t = this._parseProperties();
          Object.getOwnPropertyNames(t).length && (e.properties = t)
        }
        return !0
      }, u.prototype._parseDisconnect = function () {
        var e = this.packet;
        if (c("_parseDisconnect"), 5 === this.settings.protocolVersion) {
          e.reasonCode = this._parseByte();
          var t = this._parseProperties();
          Object.getOwnPropertyNames(t).length && (e.properties = t)
        }
        return c("_parseDisconnect result: true"), !0
      }, u.prototype._parseAuth = function () {
        c("_parseAuth");
        var e = this.packet;
        if (5 !== this.settings.protocolVersion) return this._emitError(new Error("Not supported auth packet for this version MQTT"));
        e.reasonCode = this._parseByte();
        var t = this._parseProperties();
        return Object.getOwnPropertyNames(t).length && (e.properties = t), c("_parseAuth: result: true"), !0
      }, u.prototype._parseMessageId = function () {
        var e = this.packet;
        return e.messageId = this._parseNum(), null === e.messageId ? (this._emitError(new Error("Cannot parse messageId")), !1) : (c("_parseMessageId: packet.messageId %d", e.messageId), !0)
      }, u.prototype._parseString = function (e) {
        var t, r = this._parseNum(),
          n = r + this._pos;
        return -1 === r || n > this._list.length || n > this.packet.length ? null : (t = this._list.toString("utf8", this._pos, n), this._pos += r, c("_parseString: result: %s", t), t)
      }, u.prototype._parseStringPair = function () {
        return c("_parseStringPair"), {
          name: this._parseString(),
          value: this._parseString()
        }
      }, u.prototype._parseBuffer = function () {
        var e, t = this._parseNum(),
          r = t + this._pos;
        return -1 === t || r > this._list.length || r > this.packet.length ? null : (e = this._list.slice(this._pos, r), this._pos += t, c("_parseBuffer: result: %o", e), e)
      }, u.prototype._parseNum = function () {
        if (this._list.length - this._pos < 2) return -1;
        var e = this._list.readUInt16BE(this._pos);
        return this._pos += 2, c("_parseNum: result: %s", e), e
      }, u.prototype._parse4ByteNum = function () {
        if (this._list.length - this._pos < 4) return -1;
        var e = this._list.readUInt32BE(this._pos);
        return this._pos += 4, c("_parse4ByteNum: result: %s", e), e
      }, u.prototype._parseVarByteNum = function (e) {
        c("_parseVarByteNum");
        for (var t, r = 0, n = 1, i = 0, o = !0, s = this._pos ? this._pos : 0; r < 5 && (i += n * ((t = this._list.readUInt8(s + r++)) & a.LENGTH_MASK), n *= 128, 0 != (t & a.LENGTH_FIN_MASK));)
          if (this._list.length <= r) {
            o = !1;
            break
          } return s && (this._pos += r), c("_parseVarByteNum: result: %o", o = !!o && (e ? {
          bytes: r,
          value: i
        } : i)), o
      }, u.prototype._parseByte = function () {
        var e = this._list.readUInt8(this._pos);
        return this._pos++, c("_parseByte: result: %o", e), e
      }, u.prototype._parseByType = function (e) {
        switch (c("_parseByType: type: %s", e), e) {
          case "byte":
            return 0 !== this._parseByte();
          case "int8":
            return this._parseByte();
          case "int16":
            return this._parseNum();
          case "int32":
            return this._parse4ByteNum();
          case "var":
            return this._parseVarByteNum();
          case "string":
            return this._parseString();
          case "pair":
            return this._parseStringPair();
          case "binary":
            return this._parseBuffer()
        }
      }, u.prototype._parseProperties = function () {
        c("_parseProperties");
        for (var e = this._parseVarByteNum(), t = this._pos + e, r = {}; this._pos < t;) {
          var n = this._parseByte(),
            i = a.propertiesCodes[n];
          if (!i) return this._emitError(new Error("Unknown property")), !1;
          if ("userProperties" !== i) r[i] ? Array.isArray(r[i]) ? r[i].push(this._parseByType(a.propertiesTypes[i])) : (r[i] = [r[i]], r[i].push(this._parseByType(a.propertiesTypes[i]))) : r[i] = this._parseByType(a.propertiesTypes[i]);
          else {
            r[i] || (r[i] = {});
            var o = this._parseByType(a.propertiesTypes[i]);
            if (r[i][o.name])
              if (Array.isArray(r[i][o.name])) r[i][o.name].push(o.value);
              else {
                var s = r[i][o.name];
                r[i][o.name] = [s], r[i][o.name].push(o.value)
              }
            else r[i][o.name] = o.value
          }
        }
        return r
      }, u.prototype._newPacket = function () {
        return c("_newPacket"), this.packet && (this._list.consume(this.packet.length), c("_newPacket: parser emit packet: packet.cmd: %s, packet.payload: %s, packet.length: %d", this.packet.cmd, this.packet.payload, this.packet.length), this.emit("packet", this.packet)), c("_newPacket: new packet"), this.packet = new s, this._pos = 0, !0
      }, u.prototype._emitError = function (e) {
        c("_emitError"), this.error = e, this.emit("error", e)
      }, t.exports = u
    }, {
      "./constants": 91,
      "./packet": 95,
      bl: 11,
      debug: 17,
      events: 83,
      inherits: 88
    }],
    97: [function (e, t, r) {
      "use strict";
      var n = e("./constants"),
        i = e("safe-buffer").Buffer,
        o = i.allocUnsafe(0),
        s = i.from([0]),
        a = e("./numbers"),
        c = e("process-nextick-args").nextTick,
        u = e("debug")("mqtt-packet:writeToStream"),
        l = a.cache,
        f = a.generateNumber,
        p = a.generateCache,
        h = a.genBufVariableByteInt,
        d = a.generate4ByteBuffer,
        g = k,
        b = !0;

      function m(e, t, r) {
        switch (u("generate called"), t.cork && (t.cork(), c(y, t)), b && (b = !1, p()), u("generate: packet.cmd: %s", e.cmd), e.cmd) {
          case "connect":
            return function (e, t, r) {
              var o = e || {},
                s = o.protocolId || "MQTT",
                a = o.protocolVersion || 4,
                c = o.will,
                u = o.clean,
                l = o.keepalive || 0,
                f = o.clientId || "",
                p = o.username,
                h = o.password,
                d = o.properties;
              void 0 === u && (u = !0);
              var b = 0;
              if (!s || "string" != typeof s && !i.isBuffer(s)) return t.emit("error", new Error("Invalid protocolId")), !1;
              b += s.length + 2;
              if (3 !== a && 4 !== a && 5 !== a) return t.emit("error", new Error("Invalid protocol version")), !1;
              b += 1;
              if ("string" != typeof f && !i.isBuffer(f) || !f && 4 !== a || !f && !u) {
                if (a < 4) return t.emit("error", new Error("clientId must be supplied before 3.1.1")), !1;
                if (1 * u == 0) return t.emit("error", new Error("clientId must be given if cleanSession set to 0")), !1
              } else b += f.length + 2;
              if ("number" != typeof l || l < 0 || l > 65535 || l % 1 != 0) return t.emit("error", new Error("Invalid keepalive")), !1;
              b += 2;
              if (b += 1, 5 === a) {
                var m = I(t, d);
                if (!m) return !1;
                b += m.length
              }
              if (c) {
                if ("object" != typeof c) return t.emit("error", new Error("Invalid will")), !1;
                if (!c.topic || "string" != typeof c.topic) return t.emit("error", new Error("Invalid will topic")), !1;
                if (b += i.byteLength(c.topic) + 2, b += 2, c.payload) {
                  if (!(c.payload.length >= 0)) return t.emit("error", new Error("Invalid will payload")), !1;
                  "string" == typeof c.payload ? b += i.byteLength(c.payload) : b += c.payload.length
                }
                var y = {};
                if (5 === a) {
                  if (!(y = I(t, c.properties))) return !1;
                  b += y.length
                }
              }
              var _ = !1;
              if (null != p) {
                if (!T(p)) return t.emit("error", new Error("Invalid username")), !1;
                _ = !0, b += i.byteLength(p) + 2
              }
              if (null != h) {
                if (!_) return t.emit("error", new Error("Username is required to use password")), !1;
                if (!T(h)) return t.emit("error", new Error("Invalid password")), !1;
                b += A(h) + 2
              }
              t.write(n.CONNECT_HEADER), v(t, b), E(t, s), t.write(4 === a ? n.VERSION4 : 5 === a ? n.VERSION5 : n.VERSION3);
              var S = 0;
              S |= null != p ? n.USERNAME_MASK : 0, S |= null != h ? n.PASSWORD_MASK : 0, S |= c && c.retain ? n.WILL_RETAIN_MASK : 0, S |= c && c.qos ? c.qos << n.WILL_QOS_SHIFT : 0, S |= c ? n.WILL_FLAG_MASK : 0, S |= u ? n.CLEAN_SESSION_MASK : 0, t.write(i.from([S])), g(t, l), 5 === a && m.write();
              E(t, f), c && (5 === a && y.write(), w(t, c.topic), E(t, c.payload));
              null != p && E(t, p);
              null != h && E(t, h);
              return !0
            }(e, t);
          case "connack":
            return function (e, t, r) {
              var o = r ? r.protocolVersion : 4,
                a = e || {},
                c = 5 === o ? a.reasonCode : a.returnCode,
                u = a.properties,
                l = 2;
              if ("number" != typeof c) return t.emit("error", new Error("Invalid return code")), !1;
              var f = null;
              if (5 === o) {
                if (!(f = I(t, u))) return !1;
                l += f.length
              }
              t.write(n.CONNACK_HEADER), v(t, l), t.write(a.sessionPresent ? n.SESSIONPRESENT_HEADER : s), t.write(i.from([c])), null != f && f.write();
              return !0
            }(e, t, r);
          case "publish":
            return function (e, t, r) {
              u("publish: packet: %o", e);
              var s = r ? r.protocolVersion : 4,
                a = e || {},
                c = a.qos || 0,
                l = a.retain ? n.RETAIN_MASK : 0,
                f = a.topic,
                p = a.payload || o,
                h = a.messageId,
                d = a.properties,
                b = 0;
              if ("string" == typeof f) b += i.byteLength(f) + 2;
              else {
                if (!i.isBuffer(f)) return t.emit("error", new Error("Invalid topic")), !1;
                b += f.length + 2
              }
              i.isBuffer(p) ? b += p.length : b += i.byteLength(p);
              if (c && "number" != typeof h) return t.emit("error", new Error("Invalid messageId")), !1;
              c && (b += 2);
              var m = null;
              if (5 === s) {
                if (!(m = I(t, d))) return !1;
                b += m.length
              }
              t.write(n.PUBLISH_HEADER[c][a.dup ? 1 : 0][l ? 1 : 0]), v(t, b), g(t, A(f)), t.write(f), c > 0 && g(t, h);
              null != m && m.write();
              return u("publish: payload: %o", p), t.write(p)
            }(e, t, r);
          case "puback":
          case "pubrec":
          case "pubrel":
          case "pubcomp":
            return function (e, t, r) {
              var o = r ? r.protocolVersion : 4,
                s = e || {},
                a = s.cmd || "puback",
                c = s.messageId,
                u = s.dup && "pubrel" === a ? n.DUP_MASK : 0,
                l = 0,
                f = s.reasonCode,
                p = s.properties,
                h = 5 === o ? 3 : 2;
              "pubrel" === a && (l = 1);
              if ("number" != typeof c) return t.emit("error", new Error("Invalid messageId")), !1;
              var d = null;
              if (5 === o && "object" == typeof p) {
                if (!(d = C(t, p, r, h))) return !1;
                h += d.length
              }
              t.write(n.ACKS[a][l][u][0]), v(t, h), g(t, c), 5 === o && t.write(i.from([f]));
              null !== d && d.write();
              return !0
            }(e, t, r);
          case "subscribe":
            return function (e, t, r) {
              u("subscribe: packet: ");
              var o = r ? r.protocolVersion : 4,
                s = e || {},
                a = s.dup ? n.DUP_MASK : 0,
                c = s.messageId,
                l = s.subscriptions,
                f = s.properties,
                p = 0;
              if ("number" != typeof c) return t.emit("error", new Error("Invalid messageId")), !1;
              p += 2;
              var h = null;
              if (5 === o) {
                if (!(h = I(t, f))) return !1;
                p += h.length
              }
              if ("object" != typeof l || !l.length) return t.emit("error", new Error("Invalid subscriptions")), !1;
              for (var d = 0; d < l.length; d += 1) {
                var b = l[d].topic,
                  m = l[d].qos;
                if ("string" != typeof b) return t.emit("error", new Error("Invalid subscriptions - invalid topic")), !1;
                if ("number" != typeof m) return t.emit("error", new Error("Invalid subscriptions - invalid qos")), !1;
                if (5 === o) {
                  var y = l[d].nl || !1;
                  if ("boolean" != typeof y) return t.emit("error", new Error("Invalid subscriptions - invalid No Local")), !1;
                  var _ = l[d].rap || !1;
                  if ("boolean" != typeof _) return t.emit("error", new Error("Invalid subscriptions - invalid Retain as Published")), !1;
                  var S = l[d].rh || 0;
                  if ("number" != typeof S || S > 2) return t.emit("error", new Error("Invalid subscriptions - invalid Retain Handling")), !1
                }
                p += i.byteLength(b) + 2 + 1
              }
              u("subscribe: writing to stream: %o", n.SUBSCRIBE_HEADER), t.write(n.SUBSCRIBE_HEADER[1][a ? 1 : 0][0]), v(t, p), g(t, c), null !== h && h.write();
              for (var k = !0, x = 0; x < l.length; x++) {
                var E, C = l[x],
                  O = C.topic,
                  j = C.qos,
                  A = +C.nl,
                  T = +C.rap,
                  P = C.rh;
                w(t, O), E = n.SUBSCRIBE_OPTIONS_QOS[j], 5 === o && (E |= A ? n.SUBSCRIBE_OPTIONS_NL : 0, E |= T ? n.SUBSCRIBE_OPTIONS_RAP : 0, E |= P ? n.SUBSCRIBE_OPTIONS_RH[P] : 0), k = t.write(i.from([E]))
              }
              return k
            }(e, t, r);
          case "suback":
            return function (e, t, r) {
              var o = r ? r.protocolVersion : 4,
                s = e || {},
                a = s.messageId,
                c = s.granted,
                u = s.properties,
                l = 0;
              if ("number" != typeof a) return t.emit("error", new Error("Invalid messageId")), !1;
              l += 2;
              if ("object" != typeof c || !c.length) return t.emit("error", new Error("Invalid qos vector")), !1;
              for (var f = 0; f < c.length; f += 1) {
                if ("number" != typeof c[f]) return t.emit("error", new Error("Invalid qos vector")), !1;
                l += 1
              }
              var p = null;
              if (5 === o) {
                if (!(p = C(t, u, r, l))) return !1;
                l += p.length
              }
              t.write(n.SUBACK_HEADER), v(t, l), g(t, a), null !== p && p.write();
              return t.write(i.from(c))
            }(e, t, r);
          case "unsubscribe":
            return function (e, t, r) {
              var o = r ? r.protocolVersion : 4,
                s = e || {},
                a = s.messageId,
                c = s.dup ? n.DUP_MASK : 0,
                u = s.unsubscriptions,
                l = s.properties,
                f = 0;
              if ("number" != typeof a) return t.emit("error", new Error("Invalid messageId")), !1;
              f += 2;
              if ("object" != typeof u || !u.length) return t.emit("error", new Error("Invalid unsubscriptions")), !1;
              for (var p = 0; p < u.length; p += 1) {
                if ("string" != typeof u[p]) return t.emit("error", new Error("Invalid unsubscriptions")), !1;
                f += i.byteLength(u[p]) + 2
              }
              var h = null;
              if (5 === o) {
                if (!(h = I(t, l))) return !1;
                f += h.length
              }
              t.write(n.UNSUBSCRIBE_HEADER[1][c ? 1 : 0][0]), v(t, f), g(t, a), null !== h && h.write();
              for (var d = !0, b = 0; b < u.length; b++) d = w(t, u[b]);
              return d
            }(e, t, r);
          case "unsuback":
            return function (e, t, r) {
              var o = r ? r.protocolVersion : 4,
                s = e || {},
                a = s.messageId,
                c = s.dup ? n.DUP_MASK : 0,
                u = s.granted,
                l = s.properties,
                f = s.cmd,
                p = 2;
              if ("number" != typeof a) return t.emit("error", new Error("Invalid messageId")), !1;
              if (5 === o) {
                if ("object" != typeof u || !u.length) return t.emit("error", new Error("Invalid qos vector")), !1;
                for (var h = 0; h < u.length; h += 1) {
                  if ("number" != typeof u[h]) return t.emit("error", new Error("Invalid qos vector")), !1;
                  p += 1
                }
              }
              var d = null;
              if (5 === o) {
                if (!(d = C(t, l, r, p))) return !1;
                p += d.length
              }
              t.write(n.ACKS[f][0][c][0]), v(t, p), g(t, a), null !== d && d.write();
              5 === o && t.write(i.from(u));
              return !0
            }(e, t, r);
          case "pingreq":
          case "pingresp":
            return function (e, t, r) {
              return t.write(n.EMPTY[e.cmd])
            }(e, t);
          case "disconnect":
            return function (e, t, r) {
              var o = r ? r.protocolVersion : 4,
                s = e || {},
                a = s.reasonCode,
                c = s.properties,
                u = 5 === o ? 1 : 0,
                l = null;
              if (5 === o) {
                if (!(l = C(t, c, r, u))) return !1;
                u += l.length
              }
              t.write(i.from([n.codes.disconnect << 4])), v(t, u), 5 === o && t.write(i.from([a]));
              null !== l && l.write();
              return !0
            }(e, t, r);
          case "auth":
            return function (e, t, r) {
              var o = r ? r.protocolVersion : 4,
                s = e || {},
                a = s.reasonCode,
                c = s.properties,
                u = 5 === o ? 1 : 0;
              5 !== o && t.emit("error", new Error("Invalid mqtt version for auth packet"));
              var l = C(t, c, r, u);
              if (!l) return !1;
              u += l.length, t.write(i.from([n.codes.auth << 4])), v(t, u), t.write(i.from([a])), null !== l && l.write();
              return !0
            }(e, t, r);
          default:
            return t.emit("error", new Error("Unknown command")), !1
        }
      }

      function y(e) {
        e.uncork()
      }
      Object.defineProperty(m, "cacheNumbers", {
        get: function () {
          return g === k
        },
        set: function (e) {
          e ? (l && 0 !== Object.keys(l).length || (b = !0), g = k) : (b = !1, g = x)
        }
      });
      var _ = {};

      function v(e, t) {
        var r = _[t];
        r || (r = h(t).data, t < 16384 && (_[t] = r)), u("writeVarByteInt: writing to stream: %o", r), e.write(r)
      }

      function w(e, t) {
        var r = i.byteLength(t);
        return g(e, r), u("writeString: %s", t), e.write(t, "utf8")
      }

      function S(e, t, r) {
        w(e, t), w(e, r)
      }

      function k(e, t) {
        return u("writeNumberCached: number: %d", t), u("writeNumberCached: %o", l[t]), e.write(l[t])
      }

      function x(e, t) {
        var r = f(t);
        return u("writeNumberGenerated: %o", r), e.write(r)
      }

      function E(e, t) {
        "string" == typeof t ? w(e, t) : t ? (g(e, t.length), e.write(t)) : g(e, 0)
      }

      function I(e, t) {
        if ("object" != typeof t || null != t.length) return {
          length: 1,
          write: function () {
            j(e, {}, 0)
          }
        };
        var r = 0;

        function o(t, r) {
          var o = 0;
          switch (n.propertiesTypes[t]) {
            case "byte":
              if ("boolean" != typeof r) return e.emit("error", new Error("Invalid " + t + ": " + r)), !1;
              o += 2;
              break;
            case "int8":
              if ("number" != typeof r || r < 0 || r > 255) return e.emit("error", new Error("Invalid " + t + ": " + r)), !1;
              o += 2;
              break;
            case "binary":
              if (r && null === r) return e.emit("error", new Error("Invalid " + t + ": " + r)), !1;
              o += 1 + i.byteLength(r) + 2;
              break;
            case "int16":
              if ("number" != typeof r || r < 0 || r > 65535) return e.emit("error", new Error("Invalid " + t + ": " + r)), !1;
              o += 3;
              break;
            case "int32":
              if ("number" != typeof r || r < 0 || r > 4294967295) return e.emit("error", new Error("Invalid " + t + ": " + r)), !1;
              o += 5;
              break;
            case "var":
              if ("number" != typeof r || r < 0 || r > 4294967295) return e.emit("error", new Error("Invalid " + t + ": " + r)), !1;
              o += 1 + h(r).length;
              break;
            case "string":
              if ("string" != typeof r) return e.emit("error", new Error("Invalid " + t + ": " + r)), !1;
              o += 3 + i.byteLength(r.toString());
              break;
            case "pair":
              if ("object" != typeof r) return e.emit("error", new Error("Invalid " + t + ": " + r)), !1;
              o += Object.getOwnPropertyNames(r).reduce(function (e, t) {
                var n = r[t];
                return Array.isArray(n) ? e += n.reduce(function (e, r) {
                  return e += 3 + i.byteLength(t.toString()) + 2 + i.byteLength(r.toString())
                }, 0) : e += 3 + i.byteLength(t.toString()) + 2 + i.byteLength(r[t].toString()), e
              }, 0);
              break;
            default:
              return e.emit("error", new Error("Invalid property " + t + ": " + r)), !1
          }
          return o
        }
        if (t)
          for (var s in t) {
            var a = 0,
              c = 0,
              u = t[s];
            if (Array.isArray(u))
              for (var l = 0; l < u.length; l++) {
                if (!(c = o(s, u[l]))) return !1;
                a += c
              } else {
                if (!(c = o(s, u))) return !1;
                a = c
              }
            if (!a) return !1;
            r += a
          }
        return {
          length: h(r).length + r,
          write: function () {
            j(e, t, r)
          }
        }
      }

      function C(e, t, r, n) {
        var i = ["reasonString", "userProperties"],
          o = r && r.properties && r.properties.maximumPacketSize ? r.properties.maximumPacketSize : 0,
          s = I(e, t);
        if (o)
          for (; n + s.length > o;) {
            var a = i.shift();
            if (!a || !t[a]) return !1;
            delete t[a], s = I(e, t)
          }
        return s
      }

      function O(e, t, r) {
        switch (n.propertiesTypes[t]) {
          case "byte":
            e.write(i.from([n.properties[t]])), e.write(i.from([+r]));
            break;
          case "int8":
            e.write(i.from([n.properties[t]])), e.write(i.from([r]));
            break;
          case "binary":
            e.write(i.from([n.properties[t]])), E(e, r);
            break;
          case "int16":
            e.write(i.from([n.properties[t]])), g(e, r);
            break;
          case "int32":
            e.write(i.from([n.properties[t]])),
              function (e, t) {
                var r = d(t);
                u("write4ByteNumber: %o", r), e.write(r)
              }(e, r);
            break;
          case "var":
            e.write(i.from([n.properties[t]])), v(e, r);
            break;
          case "string":
            e.write(i.from([n.properties[t]])), w(e, r);
            break;
          case "pair":
            Object.getOwnPropertyNames(r).forEach(function (o) {
              var s = r[o];
              Array.isArray(s) ? s.forEach(function (r) {
                e.write(i.from([n.properties[t]])), S(e, o.toString(), r.toString())
              }) : (e.write(i.from([n.properties[t]])), S(e, o.toString(), s.toString()))
            });
            break;
          default:
            return e.emit("error", new Error("Invalid property " + t + " value: " + r)), !1
        }
      }

      function j(e, t, r) {
        for (var n in v(e, r), t)
          if (t.hasOwnProperty(n) && null !== t[n]) {
            var i = t[n];
            if (Array.isArray(i))
              for (var o = 0; o < i.length; o++) O(e, n, i[o]);
            else O(e, n, i)
          }
      }

      function A(e) {
        return e ? e instanceof i ? e.length : i.byteLength(e) : 0
      }

      function T(e) {
        return "string" == typeof e || e instanceof i
      }
      t.exports = m
    }, {
      "./constants": 91,
      "./numbers": 94,
      debug: 17,
      "process-nextick-args": 100,
      "safe-buffer": 117
    }],
    98: [function (e, t, r) {
      var n = 1e3,
        i = 60 * n,
        o = 60 * i,
        s = 24 * o,
        a = 7 * s,
        c = 365.25 * s;

      function u(e, t, r, n) {
        var i = t >= 1.5 * r;
        return Math.round(e / r) + " " + n + (i ? "s" : "")
      }
      t.exports = function (e, t) {
        t = t || {};
        var r = typeof e;
        if ("string" === r && e.length > 0) return function (e) {
          if ((e = String(e)).length > 100) return;
          var t = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(e);
          if (!t) return;
          var r = parseFloat(t[1]);
          switch ((t[2] || "ms").toLowerCase()) {
            case "years":
            case "year":
            case "yrs":
            case "yr":
            case "y":
              return r * c;
            case "weeks":
            case "week":
            case "w":
              return r * a;
            case "days":
            case "day":
            case "d":
              return r * s;
            case "hours":
            case "hour":
            case "hrs":
            case "hr":
            case "h":
              return r * o;
            case "minutes":
            case "minute":
            case "mins":
            case "min":
            case "m":
              return r * i;
            case "seconds":
            case "second":
            case "secs":
            case "sec":
            case "s":
              return r * n;
            case "milliseconds":
            case "millisecond":
            case "msecs":
            case "msec":
            case "ms":
              return r;
            default:
              return
          }
        }(e);
        if ("number" === r && isFinite(e)) return t.long ? function (e) {
          var t = Math.abs(e);
          if (t >= s) return u(e, t, s, "day");
          if (t >= o) return u(e, t, o, "hour");
          if (t >= i) return u(e, t, i, "minute");
          if (t >= n) return u(e, t, n, "second");
          return e + " ms"
        }(e) : function (e) {
          var t = Math.abs(e);
          if (t >= s) return Math.round(e / s) + "d";
          if (t >= o) return Math.round(e / o) + "h";
          if (t >= i) return Math.round(e / i) + "m";
          if (t >= n) return Math.round(e / n) + "s";
          return e + "ms"
        }(e);
        throw new Error("val is not a non-empty string or a valid number. val=" + JSON.stringify(e))
      }
    }, {}],
    99: [function (e, t, r) {
      var n = e("wrappy");

      function i(e) {
        var t = function () {
          return t.called ? t.value : (t.called = !0, t.value = e.apply(this, arguments))
        };
        return t.called = !1, t
      }

      function o(e) {
        var t = function () {
            if (t.called) throw new Error(t.onceError);
            return t.called = !0, t.value = e.apply(this, arguments)
          },
          r = e.name || "Function wrapped with `once`";
        return t.onceError = r + " shouldn't be called more than once", t.called = !1, t
      }
      t.exports = n(i), t.exports.strict = n(o), i.proto = i(function () {
        Object.defineProperty(Function.prototype, "once", {
          value: function () {
            return i(this)
          },
          configurable: !0
        }), Object.defineProperty(Function.prototype, "onceStrict", {
          value: function () {
            return o(this)
          },
          configurable: !0
        })
      })
    }, {
      wrappy: 138
    }],
    100: [function (e, t, r) {
      (function (e) {
        "use strict";
        void 0 === e || !e.version || 0 === e.version.indexOf("v0.") || 0 === e.version.indexOf("v1.") && 0 !== e.version.indexOf("v1.8.") ? t.exports = {
          nextTick: function (t, r, n, i) {
            if ("function" != typeof t) throw new TypeError('"callback" argument must be a function');
            var o, s, a = arguments.length;
            switch (a) {
              case 0:
              case 1:
                return e.nextTick(t);
              case 2:
                return e.nextTick(function () {
                  t.call(null, r)
                });
              case 3:
                return e.nextTick(function () {
                  t.call(null, r, n)
                });
              case 4:
                return e.nextTick(function () {
                  t.call(null, r, n, i)
                });
              default:
                for (o = new Array(a - 1), s = 0; s < o.length;) o[s++] = arguments[s];
                return e.nextTick(function () {
                  t.apply(null, o)
                })
            }
          }
        } : t.exports = e
      }).call(this, e("_process"))
    }, {
      _process: 101
    }],
    101: [function (e, t, r) {
      var n, i, o = t.exports = {};

      function s() {
        throw new Error("setTimeout has not been defined")
      }

      function a() {
        throw new Error("clearTimeout has not been defined")
      }

      function c(e) {
        if (n === setTimeout) return setTimeout(e, 0);
        if ((n === s || !n) && setTimeout) return n = setTimeout, setTimeout(e, 0);
        try {
          return n(e, 0)
        } catch (t) {
          try {
            return n.call(null, e, 0)
          } catch (t) {
            return n.call(this, e, 0)
          }
        }
      }! function () {
        try {
          n = "function" == typeof setTimeout ? setTimeout : s
        } catch (e) {
          n = s
        }
        try {
          i = "function" == typeof clearTimeout ? clearTimeout : a
        } catch (e) {
          i = a
        }
      }();
      var u, l = [],
        f = !1,
        p = -1;

      function h() {
        f && u && (f = !1, u.length ? l = u.concat(l) : p = -1, l.length && d())
      }

      function d() {
        if (!f) {
          var e = c(h);
          f = !0;
          for (var t = l.length; t;) {
            for (u = l, l = []; ++p < t;) u && u[p].run();
            p = -1, t = l.length
          }
          u = null, f = !1,
            function (e) {
              if (i === clearTimeout) return clearTimeout(e);
              if ((i === a || !i) && clearTimeout) return i = clearTimeout, clearTimeout(e);
              try {
                i(e)
              } catch (t) {
                try {
                  return i.call(null, e)
                } catch (t) {
                  return i.call(this, e)
                }
              }
            }(e)
        }
      }

      function g(e, t) {
        this.fun = e, this.array = t
      }

      function b() {}
      o.nextTick = function (e) {
        var t = new Array(arguments.length - 1);
        if (arguments.length > 1)
          for (var r = 1; r < arguments.length; r++) t[r - 1] = arguments[r];
        l.push(new g(e, t)), 1 !== l.length || f || c(d)
      }, g.prototype.run = function () {
        this.fun.apply(null, this.array)
      }, o.title = "browser", o.browser = !0, o.env = {}, o.argv = [], o.version = "", o.versions = {}, o.on = b, o.addListener = b, o.once = b, o.off = b, o.removeListener = b, o.removeAllListeners = b, o.emit = b, o.prependListener = b, o.prependOnceListener = b, o.listeners = function (e) {
        return []
      }, o.binding = function (e) {
        throw new Error("process.binding is not supported")
      }, o.cwd = function () {
        return "/"
      }, o.chdir = function (e) {
        throw new Error("process.chdir is not supported")
      }, o.umask = function () {
        return 0
      }
    }, {}],
    102: [function (e, t, r) {
      (function (e) {
        ! function (n) {
          var i = "object" == typeof r && r && !r.nodeType && r,
            o = "object" == typeof t && t && !t.nodeType && t,
            s = "object" == typeof e && e;
          s.global !== s && s.window !== s && s.self !== s || (n = s);
          var a, c, u = 2147483647,
            l = 36,
            f = 1,
            p = 26,
            h = 38,
            d = 700,
            g = 72,
            b = 128,
            m = "-",
            y = /^xn--/,
            _ = /[^\x20-\x7E]/,
            v = /[\x2E\u3002\uFF0E\uFF61]/g,
            w = {
              overflow: "Overflow: input needs wider integers to process",
              "not-basic": "Illegal input >= 0x80 (not a basic code point)",
              "invalid-input": "Invalid input"
            },
            S = l - f,
            k = Math.floor,
            x = String.fromCharCode;

          function E(e) {
            throw new RangeError(w[e])
          }

          function I(e, t) {
            for (var r = e.length, n = []; r--;) n[r] = t(e[r]);
            return n
          }

          function C(e, t) {
            var r = e.split("@"),
              n = "";
            return r.length > 1 && (n = r[0] + "@", e = r[1]), n + I((e = e.replace(v, ".")).split("."), t).join(".")
          }

          function O(e) {
            for (var t, r, n = [], i = 0, o = e.length; i < o;)(t = e.charCodeAt(i++)) >= 55296 && t <= 56319 && i < o ? 56320 == (64512 & (r = e.charCodeAt(i++))) ? n.push(((1023 & t) << 10) + (1023 & r) + 65536) : (n.push(t), i--) : n.push(t);
            return n
          }

          function j(e) {
            return I(e, function (e) {
              var t = "";
              return e > 65535 && (t += x((e -= 65536) >>> 10 & 1023 | 55296), e = 56320 | 1023 & e), t += x(e)
            }).join("")
          }

          function A(e, t) {
            return e + 22 + 75 * (e < 26) - ((0 != t) << 5)
          }

          function T(e, t, r) {
            var n = 0;
            for (e = r ? k(e / d) : e >> 1, e += k(e / t); e > S * p >> 1; n += l) e = k(e / S);
            return k(n + (S + 1) * e / (e + h))
          }

          function P(e) {
            var t, r, n, i, o, s, a, c, h, d, y, _ = [],
              v = e.length,
              w = 0,
              S = b,
              x = g;
            for ((r = e.lastIndexOf(m)) < 0 && (r = 0), n = 0; n < r; ++n) e.charCodeAt(n) >= 128 && E("not-basic"), _.push(e.charCodeAt(n));
            for (i = r > 0 ? r + 1 : 0; i < v;) {
              for (o = w, s = 1, a = l; i >= v && E("invalid-input"), ((c = (y = e.charCodeAt(i++)) - 48 < 10 ? y - 22 : y - 65 < 26 ? y - 65 : y - 97 < 26 ? y - 97 : l) >= l || c > k((u - w) / s)) && E("overflow"), w += c * s, !(c < (h = a <= x ? f : a >= x + p ? p : a - x)); a += l) s > k(u / (d = l - h)) && E("overflow"), s *= d;
              x = T(w - o, t = _.length + 1, 0 == o), k(w / t) > u - S && E("overflow"), S += k(w / t), w %= t, _.splice(w++, 0, S)
            }
            return j(_)
          }

          function M(e) {
            var t, r, n, i, o, s, a, c, h, d, y, _, v, w, S, I = [];
            for (_ = (e = O(e)).length, t = b, r = 0, o = g, s = 0; s < _; ++s)(y = e[s]) < 128 && I.push(x(y));
            for (n = i = I.length, i && I.push(m); n < _;) {
              for (a = u, s = 0; s < _; ++s)(y = e[s]) >= t && y < a && (a = y);
              for (a - t > k((u - r) / (v = n + 1)) && E("overflow"), r += (a - t) * v, t = a, s = 0; s < _; ++s)
                if ((y = e[s]) < t && ++r > u && E("overflow"), y == t) {
                  for (c = r, h = l; !(c < (d = h <= o ? f : h >= o + p ? p : h - o)); h += l) S = c - d, w = l - d, I.push(x(A(d + S % w, 0))), c = k(S / w);
                  I.push(x(A(c, 0))), o = T(r, v, n == i), r = 0, ++n
                }++ r, ++t
            }
            return I.join("")
          }
          if (a = {
              version: "1.4.1",
              ucs2: {
                decode: O,
                encode: j
              },
              decode: P,
              encode: M,
              toASCII: function (e) {
                return C(e, function (e) {
                  return _.test(e) ? "xn--" + M(e) : e
                })
              },
              toUnicode: function (e) {
                return C(e, function (e) {
                  return y.test(e) ? P(e.slice(4).toLowerCase()) : e
                })
              }
            }, i && o)
            if (t.exports == i) o.exports = a;
            else
              for (c in a) a.hasOwnProperty(c) && (i[c] = a[c]);
          else n.punycode = a
        }(this)
      }).call(this, "undefined" != typeof global ? global : "undefined" != typeof self ? self : "undefined" != typeof window ? window : {})
    }, {}],
    103: [function (e, t, r) {
      "use strict";

      function n(e, t) {
        return Object.prototype.hasOwnProperty.call(e, t)
      }
      t.exports = function (e, t, r, o) {
        t = t || "&", r = r || "=";
        var s = {};
        if ("string" != typeof e || 0 === e.length) return s;
        var a = /\+/g;
        e = e.split(t);
        var c = 1e3;
        o && "number" == typeof o.maxKeys && (c = o.maxKeys);
        var u = e.length;
        c > 0 && u > c && (u = c);
        for (var l = 0; l < u; ++l) {
          var f, p, h, d, g = e[l].replace(a, "%20"),
            b = g.indexOf(r);
          b >= 0 ? (f = g.substr(0, b), p = g.substr(b + 1)) : (f = g, p = ""), h = decodeURIComponent(f), d = decodeURIComponent(p), n(s, h) ? i(s[h]) ? s[h].push(d) : s[h] = [s[h], d] : s[h] = d
        }
        return s
      };
      var i = Array.isArray || function (e) {
        return "[object Array]" === Object.prototype.toString.call(e)
      }
    }, {}],
    104: [function (e, t, r) {
      "use strict";
      var n = function (e) {
        switch (typeof e) {
          case "string":
            return e;
          case "boolean":
            return e ? "true" : "false";
          case "number":
            return isFinite(e) ? e : "";
          default:
            return ""
        }
      };
      t.exports = function (e, t, r, a) {
        return t = t || "&", r = r || "=", null === e && (e = void 0), "object" == typeof e ? o(s(e), function (s) {
          var a = encodeURIComponent(n(s)) + r;
          return i(e[s]) ? o(e[s], function (e) {
            return a + encodeURIComponent(n(e))
          }).join(t) : a + encodeURIComponent(n(e[s]))
        }).join(t) : a ? encodeURIComponent(n(a)) + r + encodeURIComponent(n(e)) : ""
      };
      var i = Array.isArray || function (e) {
        return "[object Array]" === Object.prototype.toString.call(e)
      };

      function o(e, t) {
        if (e.map) return e.map(t);
        for (var r = [], n = 0; n < e.length; n++) r.push(t(e[n], n));
        return r
      }
      var s = Object.keys || function (e) {
        var t = [];
        for (var r in e) Object.prototype.hasOwnProperty.call(e, r) && t.push(r);
        return t
      }
    }, {}],
    105: [function (e, t, r) {
      "use strict";
      r.decode = r.parse = e("./decode"), r.encode = r.stringify = e("./encode")
    }, {
      "./decode": 103,
      "./encode": 104
    }],
    106: [function (e, t, r) {
      t.exports = e("./lib/_stream_duplex.js")
    }, {
      "./lib/_stream_duplex.js": 107
    }],
    107: [function (e, t, r) {
      "use strict";
      var n = e("process-nextick-args"),
        i = Object.keys || function (e) {
          var t = [];
          for (var r in e) t.push(r);
          return t
        };
      t.exports = f;
      var o = Object.create(e("core-util-is"));
      o.inherits = e("inherits");
      var s = e("./_stream_readable"),
        a = e("./_stream_writable");
      o.inherits(f, s);
      for (var c = i(a.prototype), u = 0; u < c.length; u++) {
        var l = c[u];
        f.prototype[l] || (f.prototype[l] = a.prototype[l])
      }

      function f(e) {
        if (!(this instanceof f)) return new f(e);
        s.call(this, e), a.call(this, e), e && !1 === e.readable && (this.readable = !1), e && !1 === e.writable && (this.writable = !1), this.allowHalfOpen = !0, e && !1 === e.allowHalfOpen && (this.allowHalfOpen = !1), this.once("end", p)
      }

      function p() {
        this.allowHalfOpen || this._writableState.ended || n.nextTick(h, this)
      }

      function h(e) {
        e.end()
      }
      Object.defineProperty(f.prototype, "writableHighWaterMark", {
        enumerable: !1,
        get: function () {
          return this._writableState.highWaterMark
        }
      }), Object.defineProperty(f.prototype, "destroyed", {
        get: function () {
          return void 0 !== this._readableState && void 0 !== this._writableState && (this._readableState.destroyed && this._writableState.destroyed)
        },
        set: function (e) {
          void 0 !== this._readableState && void 0 !== this._writableState && (this._readableState.destroyed = e, this._writableState.destroyed = e)
        }
      }), f.prototype._destroy = function (e, t) {
        this.push(null), this.end(), n.nextTick(t, e)
      }
    }, {
      "./_stream_readable": 109,
      "./_stream_writable": 111,
      "core-util-is": 14,
      inherits: 88,
      "process-nextick-args": 100
    }],
    108: [function (e, t, r) {
      "use strict";
      t.exports = o;
      var n = e("./_stream_transform"),
        i = Object.create(e("core-util-is"));

      function o(e) {
        if (!(this instanceof o)) return new o(e);
        n.call(this, e)
      }
      i.inherits = e("inherits"), i.inherits(o, n), o.prototype._transform = function (e, t, r) {
        r(null, e)
      }
    }, {
      "./_stream_transform": 110,
      "core-util-is": 14,
      inherits: 88
    }],
    109: [function (e, t, r) {
      (function (r, n) {
        "use strict";
        var i = e("process-nextick-args");
        t.exports = _;
        var o, s = e("isarray");
        _.ReadableState = y;
        e("events").EventEmitter;
        var a = function (e, t) {
            return e.listeners(t).length
          },
          c = e("./internal/streams/stream"),
          u = e("safe-buffer").Buffer,
          l = n.Uint8Array || function () {};
        var f = Object.create(e("core-util-is"));
        f.inherits = e("inherits");
        var p = e("util"),
          h = void 0;
        h = p && p.debuglog ? p.debuglog("stream") : function () {};
        var d, g = e("./internal/streams/BufferList"),
          b = e("./internal/streams/destroy");
        f.inherits(_, c);
        var m = ["error", "close", "destroy", "pause", "resume"];

        function y(t, r) {
          o = o || e("./_stream_duplex"), t = t || {};
          var n = r instanceof o;
          this.objectMode = !!t.objectMode, n && (this.objectMode = this.objectMode || !!t.readableObjectMode);
          var i = t.highWaterMark,
            s = t.readableHighWaterMark,
            a = this.objectMode ? 16 : 16384;
          this.highWaterMark = i || 0 === i ? i : n && (s || 0 === s) ? s : a, this.highWaterMark = Math.floor(this.highWaterMark), this.buffer = new g, this.length = 0, this.pipes = null, this.pipesCount = 0, this.flowing = null, this.ended = !1, this.endEmitted = !1, this.reading = !1, this.sync = !0, this.needReadable = !1, this.emittedReadable = !1, this.readableListening = !1, this.resumeScheduled = !1, this.destroyed = !1, this.defaultEncoding = t.defaultEncoding || "utf8", this.awaitDrain = 0, this.readingMore = !1, this.decoder = null, this.encoding = null, t.encoding && (d || (d = e("string_decoder/").StringDecoder), this.decoder = new d(t.encoding), this.encoding = t.encoding)
        }

        function _(t) {
          if (o = o || e("./_stream_duplex"), !(this instanceof _)) return new _(t);
          this._readableState = new y(t, this), this.readable = !0, t && ("function" == typeof t.read && (this._read = t.read), "function" == typeof t.destroy && (this._destroy = t.destroy)), c.call(this)
        }

        function v(e, t, r, n, i) {
          var o, s = e._readableState;
          null === t ? (s.reading = !1, function (e, t) {
            if (t.ended) return;
            if (t.decoder) {
              var r = t.decoder.end();
              r && r.length && (t.buffer.push(r), t.length += t.objectMode ? 1 : r.length)
            }
            t.ended = !0, x(e)
          }(e, s)) : (i || (o = function (e, t) {
            var r;
            n = t, u.isBuffer(n) || n instanceof l || "string" == typeof t || void 0 === t || e.objectMode || (r = new TypeError("Invalid non-string/buffer chunk"));
            var n;
            return r
          }(s, t)), o ? e.emit("error", o) : s.objectMode || t && t.length > 0 ? ("string" == typeof t || s.objectMode || Object.getPrototypeOf(t) === u.prototype || (t = function (e) {
            return u.from(e)
          }(t)), n ? s.endEmitted ? e.emit("error", new Error("stream.unshift() after end event")) : w(e, s, t, !0) : s.ended ? e.emit("error", new Error("stream.push() after EOF")) : (s.reading = !1, s.decoder && !r ? (t = s.decoder.write(t), s.objectMode || 0 !== t.length ? w(e, s, t, !1) : I(e, s)) : w(e, s, t, !1))) : n || (s.reading = !1));
          return function (e) {
            return !e.ended && (e.needReadable || e.length < e.highWaterMark || 0 === e.length)
          }(s)
        }

        function w(e, t, r, n) {
          t.flowing && 0 === t.length && !t.sync ? (e.emit("data", r), e.read(0)) : (t.length += t.objectMode ? 1 : r.length, n ? t.buffer.unshift(r) : t.buffer.push(r), t.needReadable && x(e)), I(e, t)
        }
        Object.defineProperty(_.prototype, "destroyed", {
          get: function () {
            return void 0 !== this._readableState && this._readableState.destroyed
          },
          set: function (e) {
            this._readableState && (this._readableState.destroyed = e)
          }
        }), _.prototype.destroy = b.destroy, _.prototype._undestroy = b.undestroy, _.prototype._destroy = function (e, t) {
          this.push(null), t(e)
        }, _.prototype.push = function (e, t) {
          var r, n = this._readableState;
          return n.objectMode ? r = !0 : "string" == typeof e && ((t = t || n.defaultEncoding) !== n.encoding && (e = u.from(e, t), t = ""), r = !0), v(this, e, t, !1, r)
        }, _.prototype.unshift = function (e) {
          return v(this, e, null, !0, !1)
        }, _.prototype.isPaused = function () {
          return !1 === this._readableState.flowing
        }, _.prototype.setEncoding = function (t) {
          return d || (d = e("string_decoder/").StringDecoder), this._readableState.decoder = new d(t), this._readableState.encoding = t, this
        };
        var S = 8388608;

        function k(e, t) {
          return e <= 0 || 0 === t.length && t.ended ? 0 : t.objectMode ? 1 : e != e ? t.flowing && t.length ? t.buffer.head.data.length : t.length : (e > t.highWaterMark && (t.highWaterMark = function (e) {
            return e >= S ? e = S : (e--, e |= e >>> 1, e |= e >>> 2, e |= e >>> 4, e |= e >>> 8, e |= e >>> 16, e++), e
          }(e)), e <= t.length ? e : t.ended ? t.length : (t.needReadable = !0, 0))
        }

        function x(e) {
          var t = e._readableState;
          t.needReadable = !1, t.emittedReadable || (h("emitReadable", t.flowing), t.emittedReadable = !0, t.sync ? i.nextTick(E, e) : E(e))
        }

        function E(e) {
          h("emit readable"), e.emit("readable"), A(e)
        }

        function I(e, t) {
          t.readingMore || (t.readingMore = !0, i.nextTick(C, e, t))
        }

        function C(e, t) {
          for (var r = t.length; !t.reading && !t.flowing && !t.ended && t.length < t.highWaterMark && (h("maybeReadMore read 0"), e.read(0), r !== t.length);) r = t.length;
          t.readingMore = !1
        }

        function O(e) {
          h("readable nexttick read 0"), e.read(0)
        }

        function j(e, t) {
          t.reading || (h("resume read 0"), e.read(0)), t.resumeScheduled = !1, t.awaitDrain = 0, e.emit("resume"), A(e), t.flowing && !t.reading && e.read(0)
        }

        function A(e) {
          var t = e._readableState;
          for (h("flow", t.flowing); t.flowing && null !== e.read(););
        }

        function T(e, t) {
          return 0 === t.length ? null : (t.objectMode ? r = t.buffer.shift() : !e || e >= t.length ? (r = t.decoder ? t.buffer.join("") : 1 === t.buffer.length ? t.buffer.head.data : t.buffer.concat(t.length), t.buffer.clear()) : r = function (e, t, r) {
            var n;
            e < t.head.data.length ? (n = t.head.data.slice(0, e), t.head.data = t.head.data.slice(e)) : n = e === t.head.data.length ? t.shift() : r ? function (e, t) {
              var r = t.head,
                n = 1,
                i = r.data;
              e -= i.length;
              for (; r = r.next;) {
                var o = r.data,
                  s = e > o.length ? o.length : e;
                if (s === o.length ? i += o : i += o.slice(0, e), 0 === (e -= s)) {
                  s === o.length ? (++n, r.next ? t.head = r.next : t.head = t.tail = null) : (t.head = r, r.data = o.slice(s));
                  break
                }++n
              }
              return t.length -= n, i
            }(e, t) : function (e, t) {
              var r = u.allocUnsafe(e),
                n = t.head,
                i = 1;
              n.data.copy(r), e -= n.data.length;
              for (; n = n.next;) {
                var o = n.data,
                  s = e > o.length ? o.length : e;
                if (o.copy(r, r.length - e, 0, s), 0 === (e -= s)) {
                  s === o.length ? (++i, n.next ? t.head = n.next : t.head = t.tail = null) : (t.head = n, n.data = o.slice(s));
                  break
                }++i
              }
              return t.length -= i, r
            }(e, t);
            return n
          }(e, t.buffer, t.decoder), r);
          var r
        }

        function P(e) {
          var t = e._readableState;
          if (t.length > 0) throw new Error('"endReadable()" called on non-empty stream');
          t.endEmitted || (t.ended = !0, i.nextTick(M, t, e))
        }

        function M(e, t) {
          e.endEmitted || 0 !== e.length || (e.endEmitted = !0, t.readable = !1, t.emit("end"))
        }

        function B(e, t) {
          for (var r = 0, n = e.length; r < n; r++)
            if (e[r] === t) return r;
          return -1
        }
        _.prototype.read = function (e) {
          h("read", e), e = parseInt(e, 10);
          var t = this._readableState,
            r = e;
          if (0 !== e && (t.emittedReadable = !1), 0 === e && t.needReadable && (t.length >= t.highWaterMark || t.ended)) return h("read: emitReadable", t.length, t.ended), 0 === t.length && t.ended ? P(this) : x(this), null;
          if (0 === (e = k(e, t)) && t.ended) return 0 === t.length && P(this), null;
          var n, i = t.needReadable;
          return h("need readable", i), (0 === t.length || t.length - e < t.highWaterMark) && h("length less than watermark", i = !0), t.ended || t.reading ? h("reading or ended", i = !1) : i && (h("do read"), t.reading = !0, t.sync = !0, 0 === t.length && (t.needReadable = !0), this._read(t.highWaterMark), t.sync = !1, t.reading || (e = k(r, t))), null === (n = e > 0 ? T(e, t) : null) ? (t.needReadable = !0, e = 0) : t.length -= e, 0 === t.length && (t.ended || (t.needReadable = !0), r !== e && t.ended && P(this)), null !== n && this.emit("data", n), n
        }, _.prototype._read = function (e) {
          this.emit("error", new Error("_read() is not implemented"))
        }, _.prototype.pipe = function (e, t) {
          var n = this,
            o = this._readableState;
          switch (o.pipesCount) {
            case 0:
              o.pipes = e;
              break;
            case 1:
              o.pipes = [o.pipes, e];
              break;
            default:
              o.pipes.push(e)
          }
          o.pipesCount += 1, h("pipe count=%d opts=%j", o.pipesCount, t);
          var c = (!t || !1 !== t.end) && e !== r.stdout && e !== r.stderr ? l : _;

          function u(t, r) {
            h("onunpipe"), t === n && r && !1 === r.hasUnpiped && (r.hasUnpiped = !0, h("cleanup"), e.removeListener("close", m), e.removeListener("finish", y), e.removeListener("drain", f), e.removeListener("error", b), e.removeListener("unpipe", u), n.removeListener("end", l), n.removeListener("end", _), n.removeListener("data", g), p = !0, !o.awaitDrain || e._writableState && !e._writableState.needDrain || f())
          }

          function l() {
            h("onend"), e.end()
          }
          o.endEmitted ? i.nextTick(c) : n.once("end", c), e.on("unpipe", u);
          var f = function (e) {
            return function () {
              var t = e._readableState;
              h("pipeOnDrain", t.awaitDrain), t.awaitDrain && t.awaitDrain--, 0 === t.awaitDrain && a(e, "data") && (t.flowing = !0, A(e))
            }
          }(n);
          e.on("drain", f);
          var p = !1;
          var d = !1;

          function g(t) {
            h("ondata"), d = !1, !1 !== e.write(t) || d || ((1 === o.pipesCount && o.pipes === e || o.pipesCount > 1 && -1 !== B(o.pipes, e)) && !p && (h("false write response, pause", n._readableState.awaitDrain), n._readableState.awaitDrain++, d = !0), n.pause())
          }

          function b(t) {
            h("onerror", t), _(), e.removeListener("error", b), 0 === a(e, "error") && e.emit("error", t)
          }

          function m() {
            e.removeListener("finish", y), _()
          }

          function y() {
            h("onfinish"), e.removeListener("close", m), _()
          }

          function _() {
            h("unpipe"), n.unpipe(e)
          }
          return n.on("data", g),
            function (e, t, r) {
              if ("function" == typeof e.prependListener) return e.prependListener(t, r);
              e._events && e._events[t] ? s(e._events[t]) ? e._events[t].unshift(r) : e._events[t] = [r, e._events[t]] : e.on(t, r)
            }(e, "error", b), e.once("close", m), e.once("finish", y), e.emit("pipe", n), o.flowing || (h("pipe resume"), n.resume()), e
        }, _.prototype.unpipe = function (e) {
          var t = this._readableState,
            r = {
              hasUnpiped: !1
            };
          if (0 === t.pipesCount) return this;
          if (1 === t.pipesCount) return e && e !== t.pipes ? this : (e || (e = t.pipes), t.pipes = null, t.pipesCount = 0, t.flowing = !1, e && e.emit("unpipe", this, r), this);
          if (!e) {
            var n = t.pipes,
              i = t.pipesCount;
            t.pipes = null, t.pipesCount = 0, t.flowing = !1;
            for (var o = 0; o < i; o++) n[o].emit("unpipe", this, r);
            return this
          }
          var s = B(t.pipes, e);
          return -1 === s ? this : (t.pipes.splice(s, 1), t.pipesCount -= 1, 1 === t.pipesCount && (t.pipes = t.pipes[0]), e.emit("unpipe", this, r), this)
        }, _.prototype.on = function (e, t) {
          var r = c.prototype.on.call(this, e, t);
          if ("data" === e) !1 !== this._readableState.flowing && this.resume();
          else if ("readable" === e) {
            var n = this._readableState;
            n.endEmitted || n.readableListening || (n.readableListening = n.needReadable = !0, n.emittedReadable = !1, n.reading ? n.length && x(this) : i.nextTick(O, this))
          }
          return r
        }, _.prototype.addListener = _.prototype.on, _.prototype.resume = function () {
          var e = this._readableState;
          return e.flowing || (h("resume"), e.flowing = !0, function (e, t) {
            t.resumeScheduled || (t.resumeScheduled = !0, i.nextTick(j, e, t))
          }(this, e)), this
        }, _.prototype.pause = function () {
          return h("call pause flowing=%j", this._readableState.flowing), !1 !== this._readableState.flowing && (h("pause"), this._readableState.flowing = !1, this.emit("pause")), this
        }, _.prototype.wrap = function (e) {
          var t = this,
            r = this._readableState,
            n = !1;
          for (var i in e.on("end", function () {
              if (h("wrapped end"), r.decoder && !r.ended) {
                var e = r.decoder.end();
                e && e.length && t.push(e)
              }
              t.push(null)
            }), e.on("data", function (i) {
              (h("wrapped data"), r.decoder && (i = r.decoder.write(i)), !r.objectMode || null !== i && void 0 !== i) && ((r.objectMode || i && i.length) && (t.push(i) || (n = !0, e.pause())))
            }), e) void 0 === this[i] && "function" == typeof e[i] && (this[i] = function (t) {
            return function () {
              return e[t].apply(e, arguments)
            }
          }(i));
          for (var o = 0; o < m.length; o++) e.on(m[o], this.emit.bind(this, m[o]));
          return this._read = function (t) {
            h("wrapped _read", t), n && (n = !1, e.resume())
          }, this
        }, Object.defineProperty(_.prototype, "readableHighWaterMark", {
          enumerable: !1,
          get: function () {
            return this._readableState.highWaterMark
          }
        }), _._fromList = T
      }).call(this, e("_process"), "undefined" != typeof global ? global : "undefined" != typeof self ? self : "undefined" != typeof window ? window : {})
    }, {
      "./_stream_duplex": 107,
      "./internal/streams/BufferList": 112,
      "./internal/streams/destroy": 113,
      "./internal/streams/stream": 114,
      _process: 101,
      "core-util-is": 14,
      events: 83,
      inherits: 88,
      isarray: 90,
      "process-nextick-args": 100,
      "safe-buffer": 117,
      "string_decoder/": 119,
      util: 12
    }],
    110: [function (e, t, r) {
      "use strict";
      t.exports = o;
      var n = e("./_stream_duplex"),
        i = Object.create(e("core-util-is"));

      function o(e) {
        if (!(this instanceof o)) return new o(e);
        n.call(this, e), this._transformState = {
          afterTransform: function (e, t) {
            var r = this._transformState;
            r.transforming = !1;
            var n = r.writecb;
            if (!n) return this.emit("error", new Error("write callback called multiple times"));
            r.writechunk = null, r.writecb = null, null != t && this.push(t), n(e);
            var i = this._readableState;
            i.reading = !1, (i.needReadable || i.length < i.highWaterMark) && this._read(i.highWaterMark)
          }.bind(this),
          needTransform: !1,
          transforming: !1,
          writecb: null,
          writechunk: null,
          writeencoding: null
        }, this._readableState.needReadable = !0, this._readableState.sync = !1, e && ("function" == typeof e.transform && (this._transform = e.transform), "function" == typeof e.flush && (this._flush = e.flush)), this.on("prefinish", s)
      }

      function s() {
        var e = this;
        "function" == typeof this._flush ? this._flush(function (t, r) {
          a(e, t, r)
        }) : a(this, null, null)
      }

      function a(e, t, r) {
        if (t) return e.emit("error", t);
        if (null != r && e.push(r), e._writableState.length) throw new Error("Calling transform done when ws.length != 0");
        if (e._transformState.transforming) throw new Error("Calling transform done when still transforming");
        return e.push(null)
      }
      i.inherits = e("inherits"), i.inherits(o, n), o.prototype.push = function (e, t) {
        return this._transformState.needTransform = !1, n.prototype.push.call(this, e, t)
      }, o.prototype._transform = function (e, t, r) {
        throw new Error("_transform() is not implemented")
      }, o.prototype._write = function (e, t, r) {
        var n = this._transformState;
        if (n.writecb = r, n.writechunk = e, n.writeencoding = t, !n.transforming) {
          var i = this._readableState;
          (n.needTransform || i.needReadable || i.length < i.highWaterMark) && this._read(i.highWaterMark)
        }
      }, o.prototype._read = function (e) {
        var t = this._transformState;
        null !== t.writechunk && t.writecb && !t.transforming ? (t.transforming = !0, this._transform(t.writechunk, t.writeencoding, t.afterTransform)) : t.needTransform = !0
      }, o.prototype._destroy = function (e, t) {
        var r = this;
        n.prototype._destroy.call(this, e, function (e) {
          t(e), r.emit("close")
        })
      }
    }, {
      "./_stream_duplex": 107,
      "core-util-is": 14,
      inherits: 88
    }],
    111: [function (e, t, r) {
      (function (r, n, i) {
        "use strict";
        var o = e("process-nextick-args");

        function s(e) {
          var t = this;
          this.next = null, this.entry = null, this.finish = function () {
            ! function (e, t, r) {
              var n = e.entry;
              e.entry = null;
              for (; n;) {
                var i = n.callback;
                t.pendingcb--, i(r), n = n.next
              }
              t.corkedRequestsFree ? t.corkedRequestsFree.next = e : t.corkedRequestsFree = e
            }(t, e)
          }
        }
        t.exports = y;
        var a, c = !r.browser && ["v0.10", "v0.9."].indexOf(r.version.slice(0, 5)) > -1 ? i : o.nextTick;
        y.WritableState = m;
        var u = Object.create(e("core-util-is"));
        u.inherits = e("inherits");
        var l = {
            deprecate: e("util-deprecate")
          },
          f = e("./internal/streams/stream"),
          p = e("safe-buffer").Buffer,
          h = n.Uint8Array || function () {};
        var d, g = e("./internal/streams/destroy");

        function b() {}

        function m(t, r) {
          a = a || e("./_stream_duplex"), t = t || {};
          var n = r instanceof a;
          this.objectMode = !!t.objectMode, n && (this.objectMode = this.objectMode || !!t.writableObjectMode);
          var i = t.highWaterMark,
            u = t.writableHighWaterMark,
            l = this.objectMode ? 16 : 16384;
          this.highWaterMark = i || 0 === i ? i : n && (u || 0 === u) ? u : l, this.highWaterMark = Math.floor(this.highWaterMark), this.finalCalled = !1, this.needDrain = !1, this.ending = !1, this.ended = !1, this.finished = !1, this.destroyed = !1;
          var f = !1 === t.decodeStrings;
          this.decodeStrings = !f, this.defaultEncoding = t.defaultEncoding || "utf8", this.length = 0, this.writing = !1, this.corked = 0, this.sync = !0, this.bufferProcessing = !1, this.onwrite = function (e) {
            ! function (e, t) {
              var r = e._writableState,
                n = r.sync,
                i = r.writecb;
              if (function (e) {
                  e.writing = !1, e.writecb = null, e.length -= e.writelen, e.writelen = 0
                }(r), t) ! function (e, t, r, n, i) {
                --t.pendingcb, r ? (o.nextTick(i, n), o.nextTick(x, e, t), e._writableState.errorEmitted = !0, e.emit("error", n)) : (i(n), e._writableState.errorEmitted = !0, e.emit("error", n), x(e, t))
              }(e, r, n, t, i);
              else {
                var s = S(r);
                s || r.corked || r.bufferProcessing || !r.bufferedRequest || w(e, r), n ? c(v, e, r, s, i) : v(e, r, s, i)
              }
            }(r, e)
          }, this.writecb = null, this.writelen = 0, this.bufferedRequest = null, this.lastBufferedRequest = null, this.pendingcb = 0, this.prefinished = !1, this.errorEmitted = !1, this.bufferedRequestCount = 0, this.corkedRequestsFree = new s(this)
        }

        function y(t) {
          if (a = a || e("./_stream_duplex"), !(d.call(y, this) || this instanceof a)) return new y(t);
          this._writableState = new m(t, this), this.writable = !0, t && ("function" == typeof t.write && (this._write = t.write), "function" == typeof t.writev && (this._writev = t.writev), "function" == typeof t.destroy && (this._destroy = t.destroy), "function" == typeof t.final && (this._final = t.final)), f.call(this)
        }

        function _(e, t, r, n, i, o, s) {
          t.writelen = n, t.writecb = s, t.writing = !0, t.sync = !0, r ? e._writev(i, t.onwrite) : e._write(i, o, t.onwrite), t.sync = !1
        }

        function v(e, t, r, n) {
          r || function (e, t) {
            0 === t.length && t.needDrain && (t.needDrain = !1, e.emit("drain"))
          }(e, t), t.pendingcb--, n(), x(e, t)
        }

        function w(e, t) {
          t.bufferProcessing = !0;
          var r = t.bufferedRequest;
          if (e._writev && r && r.next) {
            var n = t.bufferedRequestCount,
              i = new Array(n),
              o = t.corkedRequestsFree;
            o.entry = r;
            for (var a = 0, c = !0; r;) i[a] = r, r.isBuf || (c = !1), r = r.next, a += 1;
            i.allBuffers = c, _(e, t, !0, t.length, i, "", o.finish), t.pendingcb++, t.lastBufferedRequest = null, o.next ? (t.corkedRequestsFree = o.next, o.next = null) : t.corkedRequestsFree = new s(t), t.bufferedRequestCount = 0
          } else {
            for (; r;) {
              var u = r.chunk,
                l = r.encoding,
                f = r.callback;
              if (_(e, t, !1, t.objectMode ? 1 : u.length, u, l, f), r = r.next, t.bufferedRequestCount--, t.writing) break
            }
            null === r && (t.lastBufferedRequest = null)
          }
          t.bufferedRequest = r, t.bufferProcessing = !1
        }

        function S(e) {
          return e.ending && 0 === e.length && null === e.bufferedRequest && !e.finished && !e.writing
        }

        function k(e, t) {
          e._final(function (r) {
            t.pendingcb--, r && e.emit("error", r), t.prefinished = !0, e.emit("prefinish"), x(e, t)
          })
        }

        function x(e, t) {
          var r = S(t);
          return r && (! function (e, t) {
            t.prefinished || t.finalCalled || ("function" == typeof e._final ? (t.pendingcb++, t.finalCalled = !0, o.nextTick(k, e, t)) : (t.prefinished = !0, e.emit("prefinish")))
          }(e, t), 0 === t.pendingcb && (t.finished = !0, e.emit("finish"))), r
        }
        u.inherits(y, f), m.prototype.getBuffer = function () {
            for (var e = this.bufferedRequest, t = []; e;) t.push(e), e = e.next;
            return t
          },
          function () {
            try {
              Object.defineProperty(m.prototype, "buffer", {
                get: l.deprecate(function () {
                  return this.getBuffer()
                }, "_writableState.buffer is deprecated. Use _writableState.getBuffer instead.", "DEP0003")
              })
            } catch (e) {}
          }(), "function" == typeof Symbol && Symbol.hasInstance && "function" == typeof Function.prototype[Symbol.hasInstance] ? (d = Function.prototype[Symbol.hasInstance], Object.defineProperty(y, Symbol.hasInstance, {
            value: function (e) {
              return !!d.call(this, e) || this === y && (e && e._writableState instanceof m)
            }
          })) : d = function (e) {
            return e instanceof this
          }, y.prototype.pipe = function () {
            this.emit("error", new Error("Cannot pipe, not readable"))
          }, y.prototype.write = function (e, t, r) {
            var n, i = this._writableState,
              s = !1,
              a = !i.objectMode && (n = e, p.isBuffer(n) || n instanceof h);
            return a && !p.isBuffer(e) && (e = function (e) {
              return p.from(e)
            }(e)), "function" == typeof t && (r = t, t = null), a ? t = "buffer" : t || (t = i.defaultEncoding), "function" != typeof r && (r = b), i.ended ? function (e, t) {
              var r = new Error("write after end");
              e.emit("error", r), o.nextTick(t, r)
            }(this, r) : (a || function (e, t, r, n) {
              var i = !0,
                s = !1;
              return null === r ? s = new TypeError("May not write null values to stream") : "string" == typeof r || void 0 === r || t.objectMode || (s = new TypeError("Invalid non-string/buffer chunk")), s && (e.emit("error", s), o.nextTick(n, s), i = !1), i
            }(this, i, e, r)) && (i.pendingcb++, s = function (e, t, r, n, i, o) {
              if (!r) {
                var s = function (e, t, r) {
                  e.objectMode || !1 === e.decodeStrings || "string" != typeof t || (t = p.from(t, r));
                  return t
                }(t, n, i);
                n !== s && (r = !0, i = "buffer", n = s)
              }
              var a = t.objectMode ? 1 : n.length;
              t.length += a;
              var c = t.length < t.highWaterMark;
              c || (t.needDrain = !0);
              if (t.writing || t.corked) {
                var u = t.lastBufferedRequest;
                t.lastBufferedRequest = {
                  chunk: n,
                  encoding: i,
                  isBuf: r,
                  callback: o,
                  next: null
                }, u ? u.next = t.lastBufferedRequest : t.bufferedRequest = t.lastBufferedRequest, t.bufferedRequestCount += 1
              } else _(e, t, !1, a, n, i, o);
              return c
            }(this, i, a, e, t, r)), s
          }, y.prototype.cork = function () {
            this._writableState.corked++
          }, y.prototype.uncork = function () {
            var e = this._writableState;
            e.corked && (e.corked--, e.writing || e.corked || e.finished || e.bufferProcessing || !e.bufferedRequest || w(this, e))
          }, y.prototype.setDefaultEncoding = function (e) {
            if ("string" == typeof e && (e = e.toLowerCase()), !(["hex", "utf8", "utf-8", "ascii", "binary", "base64", "ucs2", "ucs-2", "utf16le", "utf-16le", "raw"].indexOf((e + "").toLowerCase()) > -1)) throw new TypeError("Unknown encoding: " + e);
            return this._writableState.defaultEncoding = e, this
          }, Object.defineProperty(y.prototype, "writableHighWaterMark", {
            enumerable: !1,
            get: function () {
              return this._writableState.highWaterMark
            }
          }), y.prototype._write = function (e, t, r) {
            r(new Error("_write() is not implemented"))
          }, y.prototype._writev = null, y.prototype.end = function (e, t, r) {
            var n = this._writableState;
            "function" == typeof e ? (r = e, e = null, t = null) : "function" == typeof t && (r = t, t = null), null !== e && void 0 !== e && this.write(e, t), n.corked && (n.corked = 1, this.uncork()), n.ending || n.finished || function (e, t, r) {
              t.ending = !0, x(e, t), r && (t.finished ? o.nextTick(r) : e.once("finish", r));
              t.ended = !0, e.writable = !1
            }(this, n, r)
          }, Object.defineProperty(y.prototype, "destroyed", {
            get: function () {
              return void 0 !== this._writableState && this._writableState.destroyed
            },
            set: function (e) {
              this._writableState && (this._writableState.destroyed = e)
            }
          }), y.prototype.destroy = g.destroy, y.prototype._undestroy = g.undestroy, y.prototype._destroy = function (e, t) {
            this.end(), t(e)
          }
      }).call(this, e("_process"), "undefined" != typeof global ? global : "undefined" != typeof self ? self : "undefined" != typeof window ? window : {}, e("timers").setImmediate)
    }, {
      "./_stream_duplex": 107,
      "./internal/streams/destroy": 113,
      "./internal/streams/stream": 114,
      _process: 101,
      "core-util-is": 14,
      inherits: 88,
      "process-nextick-args": 100,
      "safe-buffer": 117,
      timers: 120,
      "util-deprecate": 134
    }],
    112: [function (e, t, r) {
      "use strict";
      var n = e("safe-buffer").Buffer,
        i = e("util");
      t.exports = function () {
        function e() {
          ! function (e, t) {
            if (!(e instanceof t)) throw new TypeError("Cannot call a class as a function")
          }(this, e), this.head = null, this.tail = null, this.length = 0
        }
        return e.prototype.push = function (e) {
          var t = {
            data: e,
            next: null
          };
          this.length > 0 ? this.tail.next = t : this.head = t, this.tail = t, ++this.length
        }, e.prototype.unshift = function (e) {
          var t = {
            data: e,
            next: this.head
          };
          0 === this.length && (this.tail = t), this.head = t, ++this.length
        }, e.prototype.shift = function () {
          if (0 !== this.length) {
            var e = this.head.data;
            return 1 === this.length ? this.head = this.tail = null : this.head = this.head.next, --this.length, e
          }
        }, e.prototype.clear = function () {
          this.head = this.tail = null, this.length = 0
        }, e.prototype.join = function (e) {
          if (0 === this.length) return "";
          for (var t = this.head, r = "" + t.data; t = t.next;) r += e + t.data;
          return r
        }, e.prototype.concat = function (e) {
          if (0 === this.length) return n.alloc(0);
          if (1 === this.length) return this.head.data;
          for (var t, r, i, o = n.allocUnsafe(e >>> 0), s = this.head, a = 0; s;) t = s.data, r = o, i = a, t.copy(r, i), a += s.data.length, s = s.next;
          return o
        }, e
      }(), i && i.inspect && i.inspect.custom && (t.exports.prototype[i.inspect.custom] = function () {
        var e = i.inspect({
          length: this.length
        });
        return this.constructor.name + " " + e
      })
    }, {
      "safe-buffer": 117,
      util: 12
    }],
    113: [function (e, t, r) {
      "use strict";
      var n = e("process-nextick-args");

      function i(e, t) {
        e.emit("error", t)
      }
      t.exports = {
        destroy: function (e, t) {
          var r = this,
            o = this._readableState && this._readableState.destroyed,
            s = this._writableState && this._writableState.destroyed;
          return o || s ? (t ? t(e) : !e || this._writableState && this._writableState.errorEmitted || n.nextTick(i, this, e), this) : (this._readableState && (this._readableState.destroyed = !0), this._writableState && (this._writableState.destroyed = !0), this._destroy(e || null, function (e) {
            !t && e ? (n.nextTick(i, r, e), r._writableState && (r._writableState.errorEmitted = !0)) : t && t(e)
          }), this)
        },
        undestroy: function () {
          this._readableState && (this._readableState.destroyed = !1, this._readableState.reading = !1, this._readableState.ended = !1, this._readableState.endEmitted = !1), this._writableState && (this._writableState.destroyed = !1, this._writableState.ended = !1, this._writableState.ending = !1, this._writableState.finished = !1, this._writableState.errorEmitted = !1)
        }
      }
    }, {
      "process-nextick-args": 100
    }],
    114: [function (e, t, r) {
      t.exports = e("events").EventEmitter
    }, {
      events: 83
    }],
    115: [function (e, t, r) {
      (r = t.exports = e("./lib/_stream_readable.js")).Stream = r, r.Readable = r, r.Writable = e("./lib/_stream_writable.js"), r.Duplex = e("./lib/_stream_duplex.js"), r.Transform = e("./lib/_stream_transform.js"), r.PassThrough = e("./lib/_stream_passthrough.js")
    }, {
      "./lib/_stream_duplex.js": 107,
      "./lib/_stream_passthrough.js": 108,
      "./lib/_stream_readable.js": 109,
      "./lib/_stream_transform.js": 110,
      "./lib/_stream_writable.js": 111
    }],
    116: [function (e, t, r) {
      "use strict";
      t.exports = function () {
        if ("function" != typeof arguments[0]) throw new Error("callback needed");
        if ("number" != typeof arguments[1]) throw new Error("interval needed");
        var e;
        if (arguments.length > 0) {
          e = new Array(arguments.length - 2);
          for (var t = 0; t < e.length; t++) e[t] = arguments[t + 2]
        }
        return new function (e, t, r) {
          var n = this;
          this._callback = e, this._args = r, this._interval = setInterval(e, t, this._args), this.reschedule = function (e) {
            e || (e = n._interval), n._interval && clearInterval(n._interval), n._interval = setInterval(n._callback, e, n._args)
          }, this.clear = function () {
            n._interval && (clearInterval(n._interval), n._interval = void 0)
          }, this.destroy = function () {
            n._interval && clearInterval(n._interval), n._callback = void 0, n._interval = void 0, n._args = void 0
          }
        }(arguments[0], arguments[1], e)
      }
    }, {}],
    117: [function (e, t, r) {
      var n = e("buffer"),
        i = n.Buffer;

      function o(e, t) {
        for (var r in e) t[r] = e[r]
      }

      function s(e, t, r) {
        return i(e, t, r)
      }
      i.from && i.alloc && i.allocUnsafe && i.allocUnsafeSlow ? t.exports = n : (o(n, r), r.Buffer = s), o(i, s), s.from = function (e, t, r) {
        if ("number" == typeof e) throw new TypeError("Argument must not be a number");
        return i(e, t, r)
      }, s.alloc = function (e, t, r) {
        if ("number" != typeof e) throw new TypeError("Argument must be a number");
        var n = i(e);
        return void 0 !== t ? "string" == typeof r ? n.fill(t, r) : n.fill(t) : n.fill(0), n
      }, s.allocUnsafe = function (e) {
        if ("number" != typeof e) throw new TypeError("Argument must be a number");
        return i(e)
      }, s.allocUnsafeSlow = function (e) {
        if ("number" != typeof e) throw new TypeError("Argument must be a number");
        return n.SlowBuffer(e)
      }
    }, {
      buffer: 13
    }],
    118: [function (e, t, r) {
      t.exports = function (e) {
        var t = e._readableState;
        return t ? t.objectMode || "number" == typeof e._duplexState ? e.read() : e.read((r = t, r.buffer.length ? r.buffer.head ? r.buffer.head.data.length : r.buffer[0].length : r.length)) : null;
        var r
      }
    }, {}],
    119: [function (e, t, r) {
      "use strict";
      var n = e("safe-buffer").Buffer,
        i = n.isEncoding || function (e) {
          switch ((e = "" + e) && e.toLowerCase()) {
            case "hex":
            case "utf8":
            case "utf-8":
            case "ascii":
            case "binary":
            case "base64":
            case "ucs2":
            case "ucs-2":
            case "utf16le":
            case "utf-16le":
            case "raw":
              return !0;
            default:
              return !1
          }
        };

      function o(e) {
        var t;
        switch (this.encoding = function (e) {
            var t = function (e) {
              if (!e) return "utf8";
              for (var t;;) switch (e) {
                case "utf8":
                case "utf-8":
                  return "utf8";
                case "ucs2":
                case "ucs-2":
                case "utf16le":
                case "utf-16le":
                  return "utf16le";
                case "latin1":
                case "binary":
                  return "latin1";
                case "base64":
                case "ascii":
                case "hex":
                  return e;
                default:
                  if (t) return;
                  e = ("" + e).toLowerCase(), t = !0
              }
            }(e);
            if ("string" != typeof t && (n.isEncoding === i || !i(e))) throw new Error("Unknown encoding: " + e);
            return t || e
          }(e), this.encoding) {
          case "utf16le":
            this.text = c, this.end = u, t = 4;
            break;
          case "utf8":
            this.fillLast = a, t = 4;
            break;
          case "base64":
            this.text = l, this.end = f, t = 3;
            break;
          default:
            return this.write = p, void(this.end = h)
        }
        this.lastNeed = 0, this.lastTotal = 0, this.lastChar = n.allocUnsafe(t)
      }

      function s(e) {
        return e <= 127 ? 0 : e >> 5 == 6 ? 2 : e >> 4 == 14 ? 3 : e >> 3 == 30 ? 4 : e >> 6 == 2 ? -1 : -2
      }

      function a(e) {
        var t = this.lastTotal - this.lastNeed,
          r = function (e, t, r) {
            if (128 != (192 & t[0])) return e.lastNeed = 0, "�";
            if (e.lastNeed > 1 && t.length > 1) {
              if (128 != (192 & t[1])) return e.lastNeed = 1, "�";
              if (e.lastNeed > 2 && t.length > 2 && 128 != (192 & t[2])) return e.lastNeed = 2, "�"
            }
          }(this, e);
        return void 0 !== r ? r : this.lastNeed <= e.length ? (e.copy(this.lastChar, t, 0, this.lastNeed), this.lastChar.toString(this.encoding, 0, this.lastTotal)) : (e.copy(this.lastChar, t, 0, e.length), void(this.lastNeed -= e.length))
      }

      function c(e, t) {
        if ((e.length - t) % 2 == 0) {
          var r = e.toString("utf16le", t);
          if (r) {
            var n = r.charCodeAt(r.length - 1);
            if (n >= 55296 && n <= 56319) return this.lastNeed = 2, this.lastTotal = 4, this.lastChar[0] = e[e.length - 2], this.lastChar[1] = e[e.length - 1], r.slice(0, -1)
          }
          return r
        }
        return this.lastNeed = 1, this.lastTotal = 2, this.lastChar[0] = e[e.length - 1], e.toString("utf16le", t, e.length - 1)
      }

      function u(e) {
        var t = e && e.length ? this.write(e) : "";
        if (this.lastNeed) {
          var r = this.lastTotal - this.lastNeed;
          return t + this.lastChar.toString("utf16le", 0, r)
        }
        return t
      }

      function l(e, t) {
        var r = (e.length - t) % 3;
        return 0 === r ? e.toString("base64", t) : (this.lastNeed = 3 - r, this.lastTotal = 3, 1 === r ? this.lastChar[0] = e[e.length - 1] : (this.lastChar[0] = e[e.length - 2], this.lastChar[1] = e[e.length - 1]), e.toString("base64", t, e.length - r))
      }

      function f(e) {
        var t = e && e.length ? this.write(e) : "";
        return this.lastNeed ? t + this.lastChar.toString("base64", 0, 3 - this.lastNeed) : t
      }

      function p(e) {
        return e.toString(this.encoding)
      }

      function h(e) {
        return e && e.length ? this.write(e) : ""
      }
      r.StringDecoder = o, o.prototype.write = function (e) {
        if (0 === e.length) return "";
        var t, r;
        if (this.lastNeed) {
          if (void 0 === (t = this.fillLast(e))) return "";
          r = this.lastNeed, this.lastNeed = 0
        } else r = 0;
        return r < e.length ? t ? t + this.text(e, r) : this.text(e, r) : t || ""
      }, o.prototype.end = function (e) {
        var t = e && e.length ? this.write(e) : "";
        return this.lastNeed ? t + "�" : t
      }, o.prototype.text = function (e, t) {
        var r = function (e, t, r) {
          var n = t.length - 1;
          if (n < r) return 0;
          var i = s(t[n]);
          if (i >= 0) return i > 0 && (e.lastNeed = i - 1), i;
          if (--n < r || -2 === i) return 0;
          if ((i = s(t[n])) >= 0) return i > 0 && (e.lastNeed = i - 2), i;
          if (--n < r || -2 === i) return 0;
          if ((i = s(t[n])) >= 0) return i > 0 && (2 === i ? i = 0 : e.lastNeed = i - 3), i;
          return 0
        }(this, e, t);
        if (!this.lastNeed) return e.toString("utf8", t);
        this.lastTotal = r;
        var n = e.length - (r - this.lastNeed);
        return e.copy(this.lastChar, 0, n), e.toString("utf8", t, n)
      }, o.prototype.fillLast = function (e) {
        if (this.lastNeed <= e.length) return e.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, this.lastNeed), this.lastChar.toString(this.encoding, 0, this.lastTotal);
        e.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, e.length), this.lastNeed -= e.length
      }
    }, {
      "safe-buffer": 117
    }],
    120: [function (e, t, r) {
      (function (t, n) {
        var i = e("process/browser.js").nextTick,
          o = Function.prototype.apply,
          s = Array.prototype.slice,
          a = {},
          c = 0;

        function u(e, t) {
          this._id = e, this._clearFn = t
        }
        r.setTimeout = function () {
          return new u(o.call(setTimeout, window, arguments), clearTimeout)
        }, r.setInterval = function () {
          return new u(o.call(setInterval, window, arguments), clearInterval)
        }, r.clearTimeout = r.clearInterval = function (e) {
          e.close()
        }, u.prototype.unref = u.prototype.ref = function () {}, u.prototype.close = function () {
          this._clearFn.call(window, this._id)
        }, r.enroll = function (e, t) {
          clearTimeout(e._idleTimeoutId), e._idleTimeout = t
        }, r.unenroll = function (e) {
          clearTimeout(e._idleTimeoutId), e._idleTimeout = -1
        }, r._unrefActive = r.active = function (e) {
          clearTimeout(e._idleTimeoutId);
          var t = e._idleTimeout;
          t >= 0 && (e._idleTimeoutId = setTimeout(function () {
            e._onTimeout && e._onTimeout()
          }, t))
        }, r.setImmediate = "function" == typeof t ? t : function (e) {
          var t = c++,
            n = !(arguments.length < 2) && s.call(arguments, 1);
          return a[t] = !0, i(function () {
            a[t] && (n ? e.apply(null, n) : e.call(null), r.clearImmediate(t))
          }), t
        }, r.clearImmediate = "function" == typeof n ? n : function (e) {
          delete a[e]
        }
      }).call(this, e("timers").setImmediate, e("timers").clearImmediate)
    }, {
      "process/browser.js": 101,
      timers: 120
    }],
    121: [function (e, t, r) {
      "use strict";
      var n = e("../prototype/is");
      t.exports = function (e) {
        if ("function" != typeof e) return !1;
        if (!hasOwnProperty.call(e, "length")) return !1;
        try {
          if ("number" != typeof e.length) return !1;
          if ("function" != typeof e.call) return !1;
          if ("function" != typeof e.apply) return !1
        } catch (e) {
          return !1
        }
        return !n(e)
      }
    }, {
      "../prototype/is": 128
    }],
    122: [function (e, t, r) {
      "use strict";
      var n = e("../value/is"),
        i = e("../object/is"),
        o = e("../string/coerce"),
        s = e("./to-short-string"),
        a = function (e, t) {
          return e.replace("%v", s(t))
        };
      t.exports = function (e, t, r) {
        if (!i(r)) throw new TypeError(a(t, e));
        if (!n(e)) {
          if ("default" in r) return r.default;
          if (r.isOptional) return null
        }
        var s = o(r.errorMessage);
        throw n(s) || (s = t), new TypeError(a(s, e))
      }
    }, {
      "../object/is": 125,
      "../string/coerce": 129,
      "../value/is": 131,
      "./to-short-string": 124
    }],
    123: [function (e, t, r) {
      "use strict";
      t.exports = function (e) {
        try {
          return e.toString()
        } catch (t) {
          try {
            return String(e)
          } catch (e) {
            return null
          }
        }
      }
    }, {}],
    124: [function (e, t, r) {
      "use strict";
      var n = e("./safe-to-string"),
        i = /[\n\r\u2028\u2029]/g;
      t.exports = function (e) {
        var t = n(e);
        return null === t ? "<Non-coercible to string value>" : (t.length > 100 && (t = t.slice(0, 99) + "…"), t = t.replace(i, function (e) {
          switch (e) {
            case "\n":
              return "\\n";
            case "\r":
              return "\\r";
            case "\u2028":
              return "\\u2028";
            case "\u2029":
              return "\\u2029";
            default:
              throw new Error("Unexpected character")
          }
        }))
      }
    }, {
      "./safe-to-string": 123
    }],
    125: [function (e, t, r) {
      "use strict";
      var n = e("../value/is"),
        i = {
          object: !0,
          function: !0,
          undefined: !0
        };
      t.exports = function (e) {
        return !!n(e) && hasOwnProperty.call(i, typeof e)
      }
    }, {
      "../value/is": 131
    }],
    126: [function (e, t, r) {
      "use strict";
      var n = e("../lib/resolve-exception"),
        i = e("./is");
      t.exports = function (e) {
        return i(e) ? e : n(e, "%v is not a plain function", arguments[1])
      }
    }, {
      "../lib/resolve-exception": 122,
      "./is": 127
    }],
    127: [function (e, t, r) {
      "use strict";
      var n = e("../function/is"),
        i = /^\s*class[\s{/}]/,
        o = Function.prototype.toString;
      t.exports = function (e) {
        return !!n(e) && !i.test(o.call(e))
      }
    }, {
      "../function/is": 121
    }],
    128: [function (e, t, r) {
      "use strict";
      var n = e("../object/is");
      t.exports = function (e) {
        if (!n(e)) return !1;
        try {
          return !!e.constructor && e.constructor.prototype === e
        } catch (e) {
          return !1
        }
      }
    }, {
      "../object/is": 125
    }],
    129: [function (e, t, r) {
      "use strict";
      var n = e("../value/is"),
        i = e("../object/is"),
        o = Object.prototype.toString;
      t.exports = function (e) {
        if (!n(e)) return null;
        if (i(e)) {
          var t = e.toString;
          if ("function" != typeof t) return null;
          if (t === o) return null
        }
        try {
          return "" + e
        } catch (e) {
          return null
        }
      }
    }, {
      "../object/is": 125,
      "../value/is": 131
    }],
    130: [function (e, t, r) {
      "use strict";
      var n = e("../lib/resolve-exception"),
        i = e("./is");
      t.exports = function (e) {
        return i(e) ? e : n(e, "Cannot use %v", arguments[1])
      }
    }, {
      "../lib/resolve-exception": 122,
      "./is": 131
    }],
    131: [function (e, t, r) {
      "use strict";
      t.exports = function (e) {
        return void 0 !== e && null !== e
      }
    }, {}],
    132: [function (e, t, r) {
      "use strict";
      var n = e("punycode"),
        i = e("./util");

      function o() {
        this.protocol = null, this.slashes = null, this.auth = null, this.host = null, this.port = null, this.hostname = null, this.hash = null, this.search = null, this.query = null, this.pathname = null, this.path = null, this.href = null
      }
      r.parse = _, r.resolve = function (e, t) {
        return _(e, !1, !0).resolve(t)
      }, r.resolveObject = function (e, t) {
        return e ? _(e, !1, !0).resolveObject(t) : t
      }, r.format = function (e) {
        i.isString(e) && (e = _(e));
        return e instanceof o ? e.format() : o.prototype.format.call(e)
      }, r.Url = o;
      var s = /^([a-z0-9.+-]+:)/i,
        a = /:[0-9]*$/,
        c = /^(\/\/?(?!\/)[^\?\s]*)(\?[^\s]*)?$/,
        u = ["{", "}", "|", "\\", "^", "`"].concat(["<", ">", '"', "`", " ", "\r", "\n", "\t"]),
        l = ["'"].concat(u),
        f = ["%", "/", "?", ";", "#"].concat(l),
        p = ["/", "?", "#"],
        h = /^[+a-z0-9A-Z_-]{0,63}$/,
        d = /^([+a-z0-9A-Z_-]{0,63})(.*)$/,
        g = {
          javascript: !0,
          "javascript:": !0
        },
        b = {
          javascript: !0,
          "javascript:": !0
        },
        m = {
          http: !0,
          https: !0,
          ftp: !0,
          gopher: !0,
          file: !0,
          "http:": !0,
          "https:": !0,
          "ftp:": !0,
          "gopher:": !0,
          "file:": !0
        },
        y = e("querystring");

      function _(e, t, r) {
        if (e && i.isObject(e) && e instanceof o) return e;
        var n = new o;
        return n.parse(e, t, r), n
      }
      o.prototype.parse = function (e, t, r) {
        if (!i.isString(e)) throw new TypeError("Parameter 'url' must be a string, not " + typeof e);
        var o = e.indexOf("?"),
          a = -1 !== o && o < e.indexOf("#") ? "?" : "#",
          u = e.split(a);
        u[0] = u[0].replace(/\\/g, "/");
        var _ = e = u.join(a);
        if (_ = _.trim(), !r && 1 === e.split("#").length) {
          var v = c.exec(_);
          if (v) return this.path = _, this.href = _, this.pathname = v[1], v[2] ? (this.search = v[2], this.query = t ? y.parse(this.search.substr(1)) : this.search.substr(1)) : t && (this.search = "", this.query = {}), this
        }
        var w = s.exec(_);
        if (w) {
          var S = (w = w[0]).toLowerCase();
          this.protocol = S, _ = _.substr(w.length)
        }
        if (r || w || _.match(/^\/\/[^@\/]+@[^@\/]+/)) {
          var k = "//" === _.substr(0, 2);
          !k || w && b[w] || (_ = _.substr(2), this.slashes = !0)
        }
        if (!b[w] && (k || w && !m[w])) {
          for (var x, E, I = -1, C = 0; C < p.length; C++) {
            -1 !== (O = _.indexOf(p[C])) && (-1 === I || O < I) && (I = O)
          } - 1 !== (E = -1 === I ? _.lastIndexOf("@") : _.lastIndexOf("@", I)) && (x = _.slice(0, E), _ = _.slice(E + 1), this.auth = decodeURIComponent(x)), I = -1;
          for (C = 0; C < f.length; C++) {
            var O; - 1 !== (O = _.indexOf(f[C])) && (-1 === I || O < I) && (I = O)
          } - 1 === I && (I = _.length), this.host = _.slice(0, I), _ = _.slice(I), this.parseHost(), this.hostname = this.hostname || "";
          var j = "[" === this.hostname[0] && "]" === this.hostname[this.hostname.length - 1];
          if (!j)
            for (var A = this.hostname.split(/\./), T = (C = 0, A.length); C < T; C++) {
              var P = A[C];
              if (P && !P.match(h)) {
                for (var M = "", B = 0, R = P.length; B < R; B++) P.charCodeAt(B) > 127 ? M += "x" : M += P[B];
                if (!M.match(h)) {
                  var N = A.slice(0, C),
                    U = A.slice(C + 1),
                    L = P.match(d);
                  L && (N.push(L[1]), U.unshift(L[2])), U.length && (_ = "/" + U.join(".") + _), this.hostname = N.join(".");
                  break
                }
              }
            }
          this.hostname.length > 255 ? this.hostname = "" : this.hostname = this.hostname.toLowerCase(), j || (this.hostname = n.toASCII(this.hostname));
          var q = this.port ? ":" + this.port : "",
            F = this.hostname || "";
          this.host = F + q, this.href += this.host, j && (this.hostname = this.hostname.substr(1, this.hostname.length - 2), "/" !== _[0] && (_ = "/" + _))
        }
        if (!g[S])
          for (C = 0, T = l.length; C < T; C++) {
            var D = l[C];
            if (-1 !== _.indexOf(D)) {
              var z = encodeURIComponent(D);
              z === D && (z = escape(D)), _ = _.split(D).join(z)
            }
          }
        var H = _.indexOf("#"); - 1 !== H && (this.hash = _.substr(H), _ = _.slice(0, H));
        var K = _.indexOf("?");
        if (-1 !== K ? (this.search = _.substr(K), this.query = _.substr(K + 1), t && (this.query = y.parse(this.query)), _ = _.slice(0, K)) : t && (this.search = "", this.query = {}), _ && (this.pathname = _), m[S] && this.hostname && !this.pathname && (this.pathname = "/"), this.pathname || this.search) {
          q = this.pathname || "";
          var W = this.search || "";
          this.path = q + W
        }
        return this.href = this.format(), this
      }, o.prototype.format = function () {
        var e = this.auth || "";
        e && (e = (e = encodeURIComponent(e)).replace(/%3A/i, ":"), e += "@");
        var t = this.protocol || "",
          r = this.pathname || "",
          n = this.hash || "",
          o = !1,
          s = "";
        this.host ? o = e + this.host : this.hostname && (o = e + (-1 === this.hostname.indexOf(":") ? this.hostname : "[" + this.hostname + "]"), this.port && (o += ":" + this.port)), this.query && i.isObject(this.query) && Object.keys(this.query).length && (s = y.stringify(this.query));
        var a = this.search || s && "?" + s || "";
        return t && ":" !== t.substr(-1) && (t += ":"), this.slashes || (!t || m[t]) && !1 !== o ? (o = "//" + (o || ""), r && "/" !== r.charAt(0) && (r = "/" + r)) : o || (o = ""), n && "#" !== n.charAt(0) && (n = "#" + n), a && "?" !== a.charAt(0) && (a = "?" + a), t + o + (r = r.replace(/[?#]/g, function (e) {
          return encodeURIComponent(e)
        })) + (a = a.replace("#", "%23")) + n
      }, o.prototype.resolve = function (e) {
        return this.resolveObject(_(e, !1, !0)).format()
      }, o.prototype.resolveObject = function (e) {
        if (i.isString(e)) {
          var t = new o;
          t.parse(e, !1, !0), e = t
        }
        for (var r = new o, n = Object.keys(this), s = 0; s < n.length; s++) {
          var a = n[s];
          r[a] = this[a]
        }
        if (r.hash = e.hash, "" === e.href) return r.href = r.format(), r;
        if (e.slashes && !e.protocol) {
          for (var c = Object.keys(e), u = 0; u < c.length; u++) {
            var l = c[u];
            "protocol" !== l && (r[l] = e[l])
          }
          return m[r.protocol] && r.hostname && !r.pathname && (r.path = r.pathname = "/"), r.href = r.format(), r
        }
        if (e.protocol && e.protocol !== r.protocol) {
          if (!m[e.protocol]) {
            for (var f = Object.keys(e), p = 0; p < f.length; p++) {
              var h = f[p];
              r[h] = e[h]
            }
            return r.href = r.format(), r
          }
          if (r.protocol = e.protocol, e.host || b[e.protocol]) r.pathname = e.pathname;
          else {
            for (var d = (e.pathname || "").split("/"); d.length && !(e.host = d.shift()););
            e.host || (e.host = ""), e.hostname || (e.hostname = ""), "" !== d[0] && d.unshift(""), d.length < 2 && d.unshift(""), r.pathname = d.join("/")
          }
          if (r.search = e.search, r.query = e.query, r.host = e.host || "", r.auth = e.auth, r.hostname = e.hostname || e.host, r.port = e.port, r.pathname || r.search) {
            var g = r.pathname || "",
              y = r.search || "";
            r.path = g + y
          }
          return r.slashes = r.slashes || e.slashes, r.href = r.format(), r
        }
        var _ = r.pathname && "/" === r.pathname.charAt(0),
          v = e.host || e.pathname && "/" === e.pathname.charAt(0),
          w = v || _ || r.host && e.pathname,
          S = w,
          k = r.pathname && r.pathname.split("/") || [],
          x = (d = e.pathname && e.pathname.split("/") || [], r.protocol && !m[r.protocol]);
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        else if (d.length) k || (k = []), k.pop(), k = k.concat(d), r.search = e.search, r.query = e.query;
        else if (!i.isNullOrUndefined(e.search)) {
          if (x) r.hostname = r.host = k.shift(), (j = !!(r.host && r.host.indexOf("@") > 0) && r.host.split("@")) && (r.auth = j.shift(), r.host = r.hostname = j.shift());
          return r.search = e.search, r.query = e.query, i.isNull(r.pathname) && i.isNull(r.search) || (r.path = (r.pathname ? r.pathname : "") + (r.search ? r.search : "")), r.href = r.format(), r
        }
        if (!k.length) return r.pathname = null, r.search ? r.path = "/" + r.search : r.path = null, r.href = r.format(), r;
        for (var E = k.slice(-1)[0], I = (r.host || e.host || k.length > 1) && ("." === E || ".." === E) || "" === E, C = 0, O = k.length; O >= 0; O--) "." === (E = k[O]) ? k.splice(O, 1) : ".." === E ? (k.splice(O, 1), C++) : C && (k.splice(O, 1), C--);
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        var j, A = "" === k[0] || k[0] && "/" === k[0].charAt(0);
        x && (r.hostname = r.host = A ? "" : k.length ? k.shift() : "", (j = !!(r.host && r.host.indexOf("@") > 0) && r.host.split("@")) && (r.auth = j.shift(), r.host = r.hostname = j.shift()));
        return (w = w || r.host && k.length) && !A && k.unshift(""), k.length ? r.pathname = k.join("/") : (r.pathname = null, r.path = null), i.isNull(r.pathname) && i.isNull(r.search) || (r.path = (r.pathname ? r.pathname : "") + (r.search ? r.search : "")), r.auth = e.auth || r.auth, r.slashes = r.slashes || e.slashes, r.href = r.format(), r
      }, o.prototype.parseHost = function () {
        var e = this.host,
          t = a.exec(e);
        t && (":" !== (t = t[0]) && (this.port = t.substr(1)), e = e.substr(0, e.length - t.length)), e && (this.hostname = e)
      }
    }, {
      "./util": 133,
      punycode: 102,
      querystring: 105
    }],
    133: [function (e, t, r) {
      "use strict";
      t.exports = {
        isString: function (e) {
          return "string" == typeof e
        },
        isObject: function (e) {
          return "object" == typeof e && null !== e
        },
        isNull: function (e) {
          return null === e
        },
        isNullOrUndefined: function (e) {
          return null == e
        }
      }
    }, {}],
    134: [function (e, t, r) {
      (function (e) {
        function r(t) {
          try {
            if (!e.localStorage) return !1
          } catch (e) {
            return !1
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          return null != r && "true" === String(r).toLowerCase()
        }
        t.exports = function (e, t) {
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          var n = !1;
          return function () {
            if (!n) {
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            }
            return e.apply(this, arguments)
          }
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      }).call(this, "undefined" != typeof global ? global : "undefined" != typeof self ? self : "undefined" != typeof window ? window : {})
    }, {}],
    135: [function (e, t, r) {
      "function" == typeof Object.create ? t.exports = function (e, t) {
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          constructor: {
            value: e,
            enumerable: !1,
            writable: !0,
            configurable: !0
          }
        })
      } : t.exports = function (e, t) {
        e.super_ = t;
        var r = function () {};
        r.prototype = t.prototype, e.prototype = new r, e.prototype.constructor = e
      }
    }, {}],
    136: [function (e, t, r) {
      t.exports = function (e) {
        return e && "object" == typeof e && "function" == typeof e.copy && "function" == typeof e.fill && "function" == typeof e.readUInt8
      }
    }, {}],
    137: [function (e, t, r) {
      (function (t, n) {
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        r.format = function (e) {
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          r = 1;
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              if (r >= o) return e;
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                  return String(n[r++]);
                case "%d":
                  return Number(n[r++]);
                case "%j":
                  try {
                    return JSON.stringify(n[r++])
                  } catch (e) {
                    return "[Circular]"
                  }
                  default:
                    return e
              }
            }), c = n[r]; r < o; c = n[++r]) g(c) || !v(c) ? s += " " + c : s += " " + a(c);
          return s
        }, r.deprecate = function (e, i) {
          if (y(n.process)) return function () {
            return r.deprecate(e, i).apply(this, arguments)
          };
          if (!0 === t.noDeprecation) return e;
          var o = !1;
          return function () {
            if (!o) {
              if (t.throwDeprecation) throw new Error(i);
              t.traceDeprecation ? console.trace(i) : console.error(i), o = !0
            }
            return e.apply(this, arguments)
          }
        };
        var o, s = {};

        function a(e, t) {
          var n = {
            seen: [],
            stylize: u
          };
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        }

        function c(e, t) {
          var r = a.styles[t];
          return r ? "[" + a.colors[r][0] + "m" + e + "[" + a.colors[r][1] + "m" : e
        }

        function u(e, t) {
          return e
        }

        function l(e, t, n) {
          if (e.customInspect && t && k(t.inspect) && t.inspect !== r.inspect && (!t.constructor || t.constructor.prototype !== t)) {
            var i = t.inspect(n, e);
            return m(i) || (i = l(e, i, n)), i
          }
          var o = function (e, t) {
            if (y(t)) return e.stylize("undefined", "undefined");
            if (m(t)) {
              var r = "'" + JSON.stringify(t).replace(/^"|"$/g, "").replace(/'/g, "\\'").replace(/\\"/g, '"') + "'";
              return e.stylize(r, "string")
            }
            if (b(t)) return e.stylize("" + t, "number");
            if (d(t)) return e.stylize("" + t, "boolean");
            if (g(t)) return e.stylize("null", "null")
          }(e, t);
          if (o) return o;
          var s = Object.keys(t),
            a = function (e) {
              var t = {};
              return e.forEach(function (e, r) {
                t[e] = !0
              }), t
            }(s);
          if (e.showHidden && (s = Object.getOwnPropertyNames(t)), S(t) && (s.indexOf("message") >= 0 || s.indexOf("description") >= 0)) return f(t);
          if (0 === s.length) {
            if (k(t)) {
              var c = t.name ? ": " + t.name : "";
              return e.stylize("[Function" + c + "]", "special")
            }
            if (_(t)) return e.stylize(RegExp.prototype.toString.call(t), "regexp");
            if (w(t)) return e.stylize(Date.prototype.toString.call(t), "date");
            if (S(t)) return f(t)
          }
          var u, v = "",
            x = !1,
            E = ["{", "}"];
          (h(t) && (x = !0, E = ["[", "]"]), k(t)) && (v = " [Function" + (t.name ? ": " + t.name : "") + "]");
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            }), o
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          }(u, v, E)) : E[0] + v + E[1]
        }

        function f(e) {
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        }

        function p(e, t, r, n, i, o) {
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              value: t[i]
            }).get ? a = c.set ? e.stylize("[Getter/Setter]", "special") : e.stylize("[Getter]", "special") : c.set && (a = e.stylize("[Setter]", "special")), C(n, i) || (s = "[" + i + "]"), a || (e.seen.indexOf(c.value) < 0 ? (a = g(r) ? l(e, c.value, null) : l(e, c.value, r - 1)).indexOf("\n") > -1 && (a = o ? a.split("\n").map(function (e) {
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            }).join("\n").substr(2) : "\n" + a.split("\n").map(function (e) {
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          }
          return s + ": " + a
        }

        function h(e) {
          return Array.isArray(e)
        }

        function d(e) {
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        }

        function g(e) {
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        }

        function b(e) {
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        }

        function m(e) {
          return "string" == typeof e
        }

        function y(e) {
          return void 0 === e
        }

        function _(e) {
          return v(e) && "[object RegExp]" === x(e)
        }

        function v(e) {
          return "object" == typeof e && null !== e
        }

        function w(e) {
          return v(e) && "[object Date]" === x(e)
        }

        function S(e) {
          return v(e) && ("[object Error]" === x(e) || e instanceof Error)
        }

        function k(e) {
          return "function" == typeof e
        }

        function x(e) {
          return Object.prototype.toString.call(e)
        }

        function E(e) {
          return e < 10 ? "0" + e.toString(10) : e.toString(10)
        }
        r.debuglog = function (e) {
          if (y(o) && (o = t.env.NODE_DEBUG || ""), e = e.toUpperCase(), !s[e])
            if (new RegExp("\\b" + e + "\\b", "i").test(o)) {
              var n = t.pid;
              s[e] = function () {
                var t = r.format.apply(r, arguments);
                console.error("%s %d: %s", e, n, t)
              }
            } else s[e] = function () {};
          return s[e]
        }, r.inspect = a, a.colors = {
          bold: [1, 22],
          italic: [3, 23],
          underline: [4, 24],
          inverse: [7, 27],
          white: [37, 39],
          grey: [90, 39],
          black: [30, 39],
          blue: [34, 39],
          cyan: [36, 39],
          green: [32, 39],
          magenta: [35, 39],
          red: [31, 39],
          yellow: [33, 39]
        }, a.styles = {
          special: "cyan",
          number: "yellow",
          boolean: "yellow",
          undefined: "grey",
          null: "bold",
          string: "green",
          date: "magenta",
          regexp: "red"
        }, r.isArray = h, r.isBoolean = d, r.isNull = g, r.isNullOrUndefined = function (e) {
          return null == e
        }, r.isNumber = b, r.isString = m, r.isSymbol = function (e) {
          return "symbol" == typeof e
        }, r.isUndefined = y, r.isRegExp = _, r.isObject = v, r.isDate = w, r.isError = S, r.isFunction = k, r.isPrimitive = function (e) {
          return null === e || "boolean" == typeof e || "number" == typeof e || "string" == typeof e || "symbol" == typeof e || void 0 === e
        }, r.isBuffer = e("./support/isBuffer");
        var I = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];

        function C(e, t) {
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        }
        r.log = function () {
          var e, t;
          console.log("%s - %s", (e = new Date, t = [E(e.getHours()), E(e.getMinutes()), E(e.getSeconds())].join(":"), [e.getDate(), I[e.getMonth()], t].join(" ")), r.format.apply(r, arguments))
        }, r.inherits = e("inherits"), r._extend = function (e, t) {
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          return e
        }
      }).call(this, e("_process"), "undefined" != typeof global ? global : "undefined" != typeof self ? self : "undefined" != typeof window ? window : {})
    }, {
      "./support/isBuffer": 136,
      _process: 101,
      inherits: 135
    }],
    138: [function (e, t, r) {
      t.exports = function e(t, r) {
        if (t && r) return e(t)(r);
        if ("function" != typeof t) throw new TypeError("need wrapper function");
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          n[e] = t[e]
        });
        return n;

        function n() {
          for (var e = new Array(arguments.length), r = 0; r < e.length; r++) e[r] = arguments[r];
          var n = t.apply(this, e),
            i = e[e.length - 1];
          return "function" == typeof n && n !== i && Object.keys(i).forEach(function (e) {
            n[e] = i[e]
          }), n
        }
      }
    }, {}],
    139: [function (e, t, r) {
      "use strict";
      t.exports = function () {
        throw new Error("ws does not work in the browser. Browser clients must use the native WebSocket object")
      }
    }, {}],
    140: [function (e, t, r) {
      t.exports = function () {
        for (var e = {}, t = 0; t < arguments.length; t++) {
          var r = arguments[t];
          for (var i in r) n.call(r, i) && (e[i] = r[i])
        }
        return e
      };
      var n = Object.prototype.hasOwnProperty
    }, {}]
  }, {}, [9])(9)
});