!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define("Centrifuge",[],t):"object"==typeof exports?exports.Centrifuge=t():e.Centrifuge=t()}("undefined"!=typeof self?self:this,function(){return function(e){function t(s){if(n[s])return n[s].exports;var r=n[s]={i:s,l:!1,exports:{}};return e[s].call(r.exports,r,r.exports,t),r.l=!0,r.exports}var n={};return t.m=e,t.c=n,t.d=function(e,n,s){t.o(e,n)||Object.defineProperty(e,n,{configurable:!1,enumerable:!0,get:s})},t.n=function(e){var n=e&&e.__esModule?function(){return e.default}:function(){return e};return t.d(n,"a",n),n},t.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},t.p="",t(t.s=31)}({10:function(e,t,n){"use strict";(function(e){function s(e){return e&&e.__esModule?e:{default:e}}function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function i(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t}function o(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}Object.defineProperty(t,"__esModule",{value:!0}),t.Centrifuge=void 0;var u="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},a=function(){function e(e,t){for(var n=0;n<t.length;n++){var s=t[n];s.enumerable=s.enumerable||!1,s.configurable=!0,"value"in s&&(s.writable=!0),Object.defineProperty(e,s.key,s)}}return function(t,n,s){return n&&e(t.prototype,n),s&&e(t,s),t}}(),c=n(6),h=s(c),l=n(11),_=s(l),f=n(12),d=n(7);t.Centrifuge=function(t){function n(e,t){r(this,n);var s=i(this,(n.__proto__||Object.getPrototypeOf(n)).call(this));return s._url=e,s._sockjs=null,s._isSockjs=!1,s._binary=!1,s._methodType=null,s._pushType=null,s._encoder=null,s._decoder=null,s._status="disconnected",s._reconnect=!0,s._reconnecting=!1,s._transport=null,s._transportName=null,s._transportClosed=!0,s._messageId=0,s._clientID=null,s._refreshRequired=!1,s._subs={},s._lastSeq={},s._lastGen={},s._lastEpoch={},s._messages=[],s._isBatching=!1,s._isSubscribeBatching=!1,s._privateChannels={},s._numRefreshFailed=0,s._refreshTimeout=null,s._pingTimeout=null,s._pongTimeout=null,s._subRefreshTimeouts={},s._retries=0,s._callbacks={},s._latency=null,s._latencyStart=null,s._connectData=null,s._token=null,s._config={debug:!1,sockjs:null,promise:null,minRetry:1e3,maxRetry:2e4,timeout:5e3,ping:!0,pingInterval:25e3,pongWaitTimeout:5e3,privateChannelPrefix:"$",onTransportClose:null,sockjsServer:null,sockjsTransports:["websocket","xdr-streaming","xhr-streaming","eventsource","iframe-eventsource","iframe-htmlfile","xdr-polling","xhr-polling","iframe-xhr-polling","jsonp-polling"],refreshEndpoint:"/centrifuge/refresh",refreshHeaders:{},refreshParams:{},refreshData:{},refreshAttempts:null,refreshInterval:1e3,onRefreshFailed:null,onRefresh:null,subscribeEndpoint:"/centrifuge/subscribe",subscribeHeaders:{},subscribeParams:{},subRefreshInterval:1e3,onPrivateSubscribe:null},s._configure(t),s}return o(n,t),a(n,[{key:"setToken",value:function(e){this._token=e}},{key:"setConnectData",value:function(e){this._connectData=e}},{key:"_ajax",value:function(t,n,s,r,i){var o=this,u="";this._debug("sending AJAX request to",t,"with data",JSON.stringify(r));var a=e.XMLHttpRequest?new e.XMLHttpRequest:new e.ActiveXObject("Microsoft.XMLHTTP");for(var c in n)n.hasOwnProperty(c)&&(u.length>0&&(u+="&"),u+=encodeURIComponent(c)+"="+encodeURIComponent(n[c]));u.length>0&&(u="?"+u),a.open("POST",t+u,!0),"withCredentials"in a&&(a.withCredentials=!0),a.setRequestHeader("X-Requested-With","XMLHttpRequest"),a.setRequestHeader("Content-Type","application/json");for(var h in s)s.hasOwnProperty(h)&&a.setRequestHeader(h,s[h]);return a.onreadystatechange=function(){if(4===a.readyState)if(200===a.status){var e=void 0,t=!1;try{e=JSON.parse(a.responseText),t=!0}catch(e){i({error:"Invalid JSON. Data was: "+a.responseText,status:200,data:null})}t&&i({data:e,status:200})}else o._log("wrong status code in AJAX response",a.status),i({status:a.status,data:null})},setTimeout(function(){return a.send(JSON.stringify(r))},20),a}},{key:"_log",value:function(){(0,d.log)("info",arguments)}},{key:"_debug",value:function(){!0===this._config.debug&&(0,d.log)("debug",arguments)}},{key:"_websocketSupported",value:function(){return!("function"!=typeof WebSocket&&"object"!==("undefined"==typeof WebSocket?"undefined":u(WebSocket)))}},{key:"_setFormat",value:function(e){if(!this._formatOverride(e)){if("protobuf"===e)throw new Error("not implemented by JSON only Centrifuge client – use client with Protobuf");this._binary=!1,this._methodType=f.JsonMethodType,this._pushType=f.JsonPushType,this._encoder=new f.JsonEncoder,this._decoder=new f.JsonDecoder}}},{key:"_formatOverride",value:function(e){return!1}},{key:"_configure",value:function(t){if(!("Promise"in e))throw new Error("Promise polyfill required");if(Object.assign(this._config,t||{}),this._debug("centrifuge config",this._config),!this._url)throw new Error("url required");if((0,d.startsWith)(this._url,"ws")&&this._url.indexOf("format=protobuf")>-1?this._setFormat("protobuf"):this._setFormat("json"),(0,d.startsWith)(this._url,"http"))if(this._debug("client will try to connect to SockJS endpoint"),null!==this._config.sockjs)this._debug("SockJS explicitly provided in options"),this._sockjs=this._config.sockjs;else{if(void 0===e.SockJS)throw new Error("SockJS not found, use ws:// in url or include SockJS");this._debug("use globally defined SockJS"),this._sockjs=e.SockJS}else this._debug("client will connect to websocket endpoint")}},{key:"_setStatus",value:function(e){this._status!==e&&(this._debug("Status",this._status,"->",e),this._status=e)}},{key:"_isDisconnected",value:function(){return"disconnected"===this._status}},{key:"_isConnecting",value:function(){return"connecting"===this._status}},{key:"_isConnected",value:function(){return"connected"===this._status}},{key:"_nextMessageId",value:function(){return++this._messageId}},{key:"_resetRetry",value:function(){this._debug("reset retries count to 0"),this._retries=0}},{key:"_getRetryInterval",value:function(){var e=(0,d.backoff)(this._retries,this._config.minRetry,this._config.maxRetry);return this._retries+=1,e}},{key:"_clearConnectedState",value:function(e){this._clientID=null,this._stopPing();for(var t in this._callbacks)if(this._callbacks.hasOwnProperty(t)){var n=this._callbacks[t];clearTimeout(n.timeout);var s=n.errback;if(!s)continue;s(this._createErrorObject("disconnected"))}this._callbacks={};for(var r in this._subs)if(this._subs.hasOwnProperty(r)){var i=this._subs[r];e?(i._isSuccess()&&(i._triggerUnsubscribe(),i._recover=!0),i._setSubscribing()):i._setUnsubscribed()}null!==this._refreshTimeout&&(clearTimeout(this._refreshTimeout),this._refreshTimeout=null);for(var o in this._subRefreshTimeouts)this._subRefreshTimeouts.hasOwnProperty(o)&&this._subRefreshTimeouts[o]&&this._clearSubRefreshTimeout(o);this._subRefreshTimeouts={},this._reconnect||(this._subs={})}},{key:"_isTransportOpen",value:function(){return this._isSockjs?this._transport&&this._transport.transport&&this._transport.transport.readyState===this._transport.transport.OPEN:this._transport&&this._transport.readyState===this._transport.OPEN}},{key:"_transportSend",value:function(e){if(!e.length)return!0;if(!this._isTransportOpen()){for(var t in e){var n=t.id;if(n in this._callbacks){var s=this._callbacks[n];clearTimeout(this._callbacks[n].timeout),delete this._callbacks[n];(0,s.errback)(this._createErrorObject("connection closed",0))}}return!1}return this._transport.send(this._encoder.encodeCommands(e)),!0}},{key:"_setupTransport",value:function(){var e=this;if(this._isSockjs=!1,null!==this._sockjs){var t={transports:this._config.sockjsTransports};null!==this._config.sockjsServer&&(t.server=this._config.sockjsServer),this._isSockjs=!0,this._transport=new this._sockjs(this._url,null,t)}else{if(!this._websocketSupported())return void this._debug("No Websocket support and no SockJS configured, can not connect");this._transport=new WebSocket(this._url),!0===this._binary&&(this._transport.binaryType="arraybuffer")}this._transport.onopen=function(){e._transportClosed=!1,e._isSockjs?(e._transportName="sockjs-"+e._transport.transport,e._transport.onheartbeat=function(){return e._restartPing()}):e._transportName="websocket";var t={};(e._token||e._connectData)&&(t.params={}),e._token&&(t.params.token=e._token),e._connectData&&(t.params.data=e._connectData),e._latencyStart=new Date,e._call(t).then(function(t){e._connectResponse(e._decoder.decodeCommandResult(e._methodType.CONNECT,t.result)),t.next&&t.next()},function(t){109===t.code&&(e._refreshRequired=!0),e._disconnect("connect error",!0)})},this._transport.onerror=function(t){e._debug("transport level error",t)},this._transport.onclose=function(t){e._transportClosed=!0;var n="connection closed",s=!0;if(t&&"reason"in t&&t.reason)try{var r=JSON.parse(t.reason);e._debug("reason is an advice object",r),n=r.reason,s=r.reconnect}catch(s){n=t.reason,e._debug("reason is a plain string",n)}if(null!==e._config.onTransportClose&&e._config.onTransportClose({event:t,reason:n,reconnect:s}),e._disconnect(n,s),!0===e._reconnect){e._reconnecting=!0;var i=e._getRetryInterval();e._debug("reconnect after "+i+" milliseconds"),setTimeout(function(){!0===e._reconnect&&(e._refreshRequired?e._refresh():e._connect())},i)}},this._transport.onmessage=function(t){e._dataReceived(t.data)}}},{key:"rpc",value:function(e){var t=this,n={method:this._methodType.RPC,params:{data:e}};return this.isConnected()?this._call(n).then(function(e){return e.next&&e.next(),t._decoder.decodeCommandResult(t._methodType.RPC,e.result)}):Promise.reject(this._createErrorObject("connection closed",0))}},{key:"send",value:function(e){var t={method:this._methodType.SEND,params:{data:e}};return this.isConnected()&&this._transportSend([t])?Promise.resolve({}):Promise.reject(this._createErrorObject("connection closed",0))}},{key:"publish",value:function(e,t){var n={method:this._methodType.PUBLISH,params:{channel:e,data:t}};return this.isConnected()?this._call(n).then(function(e){return e.next&&e.next(),{}}):Promise.reject(this._createErrorObject("connection closed",0))}},{key:"_dataReceived",value:function(e){var t=this,n=this._decoder.decodeReplies(e),s=Promise.resolve();for(var r in n)!function(e){n.hasOwnProperty(e)&&(s=s.then(function(){return t._dispatchReply(n[e])}))}(r);this._restartPing()}},{key:"_call",value:function(e){var t=this;return new Promise(function(n,s){var r=t._addMessage(e);t._registerCall(r,n,s)})}},{key:"_connect",value:function(){if(this.isConnected())return void this._debug("connect called when already connected");"connecting"!==this._status&&(this._debug("start connecting"),this._setStatus("connecting"),this._clientID=null,this._reconnect=!0,this._setupTransport())}},{key:"_disconnect",value:function(e,t){if(!this._isDisconnected()){this._debug("disconnected:",e,t);var n=t||!1;!1===n&&(this._reconnect=!1),this._clearConnectedState(n),this._isDisconnected()||(this._setStatus("disconnected"),this._refreshTimeout&&(clearTimeout(this._refreshTimeout),this._refreshTimeout=null),!1===this._reconnecting&&this.emit("disconnect",{reason:e,reconnect:n})),this._transportClosed||this._transport.close()}}},{key:"_refreshFailed",value:function(){this._numRefreshFailed=0,this._isDisconnected()||this._disconnect("refresh failed",!1),null!==this._config.onRefreshFailed&&this._config.onRefreshFailed()}},{key:"_refresh",value:function(){var e=this;if(this._debug("refresh token"),0===this._config.refreshAttempts)return this._debug("refresh attempts set to 0, do not send refresh request at all"),void this._refreshFailed();null!==this._refreshTimeout&&(clearTimeout(this._refreshTimeout),this._refreshTimeout=null);var t=function(t){if(t.error||200!==t.status){if(t.error?e._debug("error refreshing connection token",t.error):e._debug("error refreshing connection token: wrong status code",t.status),e._numRefreshFailed++,null!==e._refreshTimeout&&(clearTimeout(e._refreshTimeout),e._refreshTimeout=null),null!==e._config.refreshAttempts&&e._numRefreshFailed>=e._config.refreshAttempts)return void e._refreshFailed();var n=Math.round(1e3*Math.random()*Math.max(e._numRefreshFailed,20)),s=e._config.refreshInterval+n;return void(e._refreshTimeout=setTimeout(function(){return e._refresh()},s))}if(e._numRefreshFailed=0,e._token=t.data.token,!e._token)return void e._refreshFailed();if(e._isDisconnected()&&e._reconnect)e._debug("token refreshed, connect from scratch"),e._connect();else{e._debug("send refreshed token");var r={method:e._methodType.REFRESH,params:{token:e._token}};e._call(r).then(function(t){e._refreshResponse(e._decoder.decodeCommandResult(e._methodType.REFRESH,t.result)),t.next&&t.next()},function(t){e._refreshError(t)})}};if(null!==this._config.onRefresh){var n={};this._config.onRefresh(n,t)}else this._ajax(this._config.refreshEndpoint,this._config.refreshParams,this._config.refreshHeaders,this._config.refreshData,t)}},{key:"_refreshError",value:function(e){var t=this;this._debug("refresh error",e),this._refreshTimeout&&(clearTimeout(this._refreshTimeout),this._refreshTimeout=null);var n=this._config.refreshInterval+Math.round(1e3*Math.random());this._refreshTimeout=setTimeout(function(){return t._refresh()},n)}},{key:"_refreshResponse",value:function(e){var t=this;this._refreshTimeout&&(clearTimeout(this._refreshTimeout),this._refreshTimeout=null),e.expires&&(this._clientID=e.client,this._refreshTimeout=setTimeout(function(){return t._refresh()},1e3*e.ttl))}},{key:"_subRefresh",value:function(e){var t=this;if(this._debug("refresh subscription token for channel",e),void 0!==this._subRefreshTimeouts[e]){this._clearSubRefreshTimeout(e);var n=function(n){if(!n.error&&200===n.status){var r={};if(n.data.channels)for(var i in s.channels){var o=n.data.channels[i];o.channel&&(r[o.channel]=o.token)}var u=r[e];if(u){var a={method:t._methodType.SUB_REFRESH,params:{channel:e,token:u}};null!==t._getSub(e)&&t._call(a).then(function(n){t._subRefreshResponse(e,t._decoder.decodeCommandResult(t._methodType.SUB_REFRESH,n.result)),n.next&&n.next()},function(n){t._subRefreshError(e,n)})}}},s={client:this._clientID,channels:[e]};null!==this._config.onPrivateSubscribe?this._config.onPrivateSubscribe({data:s},n):this._ajax(this._config.subscribeEndpoint,this._config.subscribeParams,this._config.subscribeHeaders,s,n)}}},{key:"_clearSubRefreshTimeout",value:function(e){void 0!==this._subRefreshTimeouts[e]&&(clearTimeout(this._subRefreshTimeouts[e]),delete this._subRefreshTimeouts[e])}},{key:"_subRefreshError",value:function(e,t){var n=this;if(this._debug("subscription refresh error",e,t),this._clearSubRefreshTimeout(e),null!==this._getSub(e)){var s=Math.round(1e3*Math.random()),r=setTimeout(function(){return n._subRefresh(e)},this._config.subRefreshInterval+s);this._subRefreshTimeouts[e]=r}}},{key:"_subRefreshResponse",value:function(e,t){var n=this;if(this._debug("subscription refresh success",e),this._clearSubRefreshTimeout(e),null!==this._getSub(e)&&!0===t.expires){var s=setTimeout(function(){return n._subRefresh(e)},1e3*t.ttl);this._subRefreshTimeouts[e]=s}}},{key:"_subscribe",value:function(e,t){var n=this;this._debug("subscribing on",e.channel);var s=e.channel;if(s in this._subs||(this._subs[s]=e),!this.isConnected())return void e._setNew();e._setSubscribing(t);var r={method:this._methodType.SUBSCRIBE,params:{channel:s}};if((0,d.startsWith)(s,this._config.privateChannelPrefix))this._isSubscribeBatching?this._privateChannels[s]=!0:(this.startSubscribeBatching(),this._subscribe(e),this.stopSubscribeBatching());else{if(!0===e._needRecover()){r.params.recover=!0;var i=this._getLastSeq(s);i&&(r.params.seq=i);var o=this._getLastGen(s);o&&(r.params.gen=o);var u=this._getLastEpoch(s);u&&(r.params.epoch=u)}this._call(r).then(function(e){n._subscribeResponse(s,n._decoder.decodeCommandResult(n._methodType.SUBSCRIBE,e.result)),e.next&&e.next()},function(e){n._subscribeError(s,e)})}}},{key:"_unsubscribe",value:function(e){this.isConnected()&&this._addMessage({method:this._methodType.UNSUBSCRIBE,params:{channel:e.channel}})}},{key:"getSub",value:function(e){return this._getSub(e)}},{key:"_getSub",value:function(e){var t=this._subs[e];return t||null}},{key:"_connectResponse",value:function(e){var t=this,n=this._reconnecting;if(this._reconnecting=!1,this._resetRetry(),!this.isConnected()){null!==this._latencyStart&&(this._latency=(new Date).getTime()-this._latencyStart.getTime(),this._latencyStart=null),this._clientID=e.client,this._setStatus("connected"),this._refreshTimeout&&clearTimeout(this._refreshTimeout),e.expires&&(this._refreshTimeout=setTimeout(function(){return t._refresh()},1e3*e.ttl)),this.startBatching(),this.startSubscribeBatching();for(var s in this._subs)if(this._subs.hasOwnProperty(s)){var r=this._subs[s];r._shouldResubscribe()&&this._subscribe(r,n)}this.stopSubscribeBatching(),this.stopBatching(),this._startPing();var i={client:e.client,transport:this._transportName,latency:this._latency};e.data&&(i.data=e.data),this.emit("connect",i)}}},{key:"_stopPing",value:function(){null!==this._pongTimeout&&(clearTimeout(this._pongTimeout),this._pongTimeout=null),null!==this._pingTimeout&&(clearTimeout(this._pingTimeout),this._pingTimeout=null)}},{key:"_startPing",value:function(){var e=this;!0!==this._config.ping||this._config.pingInterval<=0||this.isConnected()&&(this._pingTimeout=setTimeout(function(){if(!e.isConnected())return void e._stopPing();e.ping(),e._pongTimeout=setTimeout(function(){e._disconnect("no ping",!0)},e._config.pongWaitTimeout)},this._config.pingInterval))}},{key:"_restartPing",value:function(){this._stopPing(),this._startPing()}},{key:"_subscribeError",value:function(e,t){var n=this._getSub(e);if(n&&n._isSubscribing())return 0===t.code&&"timeout"===t.message?void this._disconnect("timeout",!0):void n._setSubscribeError(t)}},{key:"_subscribeResponse",value:function(e,t){var n=this,s=this._getSub(e);if(s&&s._isSubscribing()){var r=!1;"recovered"in t&&(r=t.recovered),s._setSubscribeSuccess(r);var i=t.publications;if(i&&i.length>0){i=i.reverse();for(var o in i)i.hasOwnProperty(o)&&this._handlePublication(e,i[o])}else t.recoverable&&(this._lastSeq[e]=t.seq||0,this._lastGen[e]=t.gen||0);if(this._lastEpoch[e]=t.epoch||"",t.recoverable&&(s._recoverable=!0),!0===t.expires){var u=setTimeout(function(){return n._subRefresh(e)},1e3*t.ttl);this._subRefreshTimeouts[e]=u}}}},{key:"_handleReply",value:function(e,t){var n=e.id,s=e.result;if(n in this._callbacks){var r=this._callbacks[n];if(clearTimeout(this._callbacks[n].timeout),delete this._callbacks[n],(0,d.errorExists)(e)){var i=r.errback;if(!i)return;i(e.error)}else{var o=r.callback;if(!o)return;o({result:s,next:t})}}}},{key:"_handleJoin",value:function(e,t){var n=this._getSub(e);n&&n.emit("join",t)}},{key:"_handleLeave",value:function(e,t){var n=this._getSub(e);n&&n.emit("leave",t)}},{key:"_handleUnsub",value:function(e,t){var n=this._getSub(e);n&&(n.unsubscribe(),!0===t.resubscribe&&n.subscribe())}},{key:"_handlePublication",value:function(e,t){var n=this._getSub(e);n&&(void 0!==t.seq&&(this._lastSeq[e]=t.seq),void 0!==t.gen&&(this._lastGen[e]=t.gen),n.emit("publish",t))}},{key:"_handleMessage",value:function(e){this.emit("message",e.data)}},{key:"_handlePush",value:function(e,t){var n=this._decoder.decodePush(e),s=0;"type"in n&&(s=n.type);var r=n.channel;if(s===this._pushType.PUBLICATION){var i=this._decoder.decodePushData(this._pushType.PUBLICATION,n.data);this._handlePublication(r,i)}else if(s===this._pushType.MESSAGE){var o=this._decoder.decodePushData(this._pushType.MESSAGE,n.data);this._handleMessage(o)}else if(s===this._pushType.JOIN){var u=this._decoder.decodePushData(this._pushType.JOIN,n.data);this._handleJoin(r,u)}else if(s===this._pushType.LEAVE){var a=this._decoder.decodePushData(this._pushType.LEAVE,n.data);this._handleLeave(r,a)}else if(s===this._pushType.UNSUB){var c=this._decoder.decodePushData(this._pushType.UNSUB,n.data);this._handleUnsub(r,c)}t()}},{key:"_dispatchReply",value:function(e){var t,n=new Promise(function(e){t=e});if(void 0===e||null===e)return this._debug("dispatch: got undefined or null reply"),t(),n;var s=e.id;return s&&s>0?this._handleReply(e,t):this._handlePush(e.result,t),n}},{key:"_flush",value:function(){var e=this._messages.slice(0);this._messages=[],this._transportSend(e)}},{key:"_ping",value:function(){var e=this,t={method:this._methodType.PING};this._call(t).then(function(t){e._pingResponse(e._decoder.decodeCommandResult(e._methodType.PING,t.result)),t.next()},function(t){e._debug("ping error",t)})}},{key:"_pingResponse",value:function(e){this.isConnected()&&(this._stopPing(),this._startPing())}},{key:"_getLastSeq",value:function(e){var t=this._lastSeq[e];return t||0}},{key:"_getLastGen",value:function(e){var t=this._lastGen[e];return t||0}},{key:"_getLastEpoch",value:function(e){var t=this._lastEpoch[e];return t||""}},{key:"_createErrorObject",value:function(e,t){return{message:e,code:t||0}}},{key:"_registerCall",value:function(e,t,n){var s=this;this._callbacks[e]={callback:t,errback:n,timeout:null},this._callbacks[e].timeout=setTimeout(function(){delete s._callbacks[e],(0,d.isFunction)(n)&&n(s._createErrorObject("timeout"))},this._config.timeout)}},{key:"_addMessage",value:function(e){var t=this._nextMessageId();return e.id=t,!0===this._isBatching?this._messages.push(e):this._transportSend([e]),t}},{key:"isConnected",value:function(){return this._isConnected()}},{key:"connect",value:function(){this._connect()}},{key:"disconnect",value:function(){this._disconnect("client",!1)}},{key:"ping",value:function(){return this._ping()}},{key:"startBatching",value:function(){this._isBatching=!0}},{key:"stopBatching",value:function(){this._isBatching=!1,this._flush()}},{key:"startSubscribeBatching",value:function(){this._isSubscribeBatching=!0}},{key:"stopSubscribeBatching",value:function(){var e=this;this._isSubscribeBatching=!1;var t=this._privateChannels;this._privateChannels={};var n=[];for(var s in t)if(t.hasOwnProperty(s)){var r=this._getSub(s);if(!r)continue;n.push(s)}if(0===n.length)return void this._debug("no private channels found, no need to make request");var i={client:this._clientID,channels:n},o=function(t){if(t.error||200!==t.status){e._debug("authorization request failed");for(var s in 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