injam-sdk/injam-sdk.js

Javascript Client for Injam Platform

!function(t){function e(r){if(n[r])return n[r].exports;var o=n[r]={i:r,l:!1,exports:{}};return t[r].call(o.exports,o,o.exports,e),o.l=!0,o.exports}var n={};e.m=t,e.c=n,e.d=function(t,n,r){e.o(t,n)||Object.defineProperty(t,n,{configurable:!1,enumerable:!0,get:r})},e.n=function(t){var n=t&&t.__esModule?function(){return t.default}:function(){return t};return e.d(n,"a",n),n},e.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},e.p="",e(e.s=7)}([function(t,e){var n;n=function(){return this}();try{n=n||Function("return this")()||(0,eval)("this")}catch(t){"object"==typeof window&&(n=window)}t.exports=n},function(t,e,n){function r(t){if(t)return o(t)}function o(t){for(var e in r.prototype)t[e]=r.prototype[e];return t}t.exports=r,r.prototype.on=r.prototype.addEventListener=function(t,e){return this._callbacks=this._callbacks||{},(this._callbacks["$"+t]=this._callbacks["$"+t]||[]).push(e),this},r.prototype.once=function(t,e){function n(){this.off(t,n),e.apply(this,arguments)}return n.fn=e,this.on(t,n),this},r.prototype.off=r.prototype.removeListener=r.prototype.removeAllListeners=r.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var n=this._callbacks["$"+t];if(!n)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var r,o=0;o<n.length;o++)if((r=n[o])===e||r.fn===e){n.splice(o,1);break}return this},r.prototype.emit=function(t){this._callbacks=this._callbacks||{};var e=[].slice.call(arguments,1),n=this._callbacks["$"+t];if(n){n=n.slice(0);for(var r=0,o=n.length;r<o;++r)n[r].apply(this,e)}return this},r.prototype.listeners=function(t){return this._callbacks=this._callbacks||{},this._callbacks["$"+t]||[]},r.prototype.hasListeners=function(t){return!!this.listeners(t).length}},function(t,e,n){function r(t,e){this.name="AuthTokenExpiredError",this.message=t,this.expiry=e,Error.captureStackTrace&&!k?Error.captureStackTrace(this,arguments.callee):this.stack=(new Error).stack}function o(t){this.name="AuthTokenInvalidError",this.message=t,Error.captureStackTrace&&!k?Error.captureStackTrace(this,arguments.callee):this.stack=(new Error).stack}function i(t,e){this.name="AuthTokenNotBeforeError",this.message=t,this.date=e,Error.captureStackTrace&&!k?Error.captureStackTrace(this,arguments.callee):this.stack=(new Error).stack}function s(t){this.name="AuthTokenError",this.message=t,Error.captureStackTrace&&!k?Error.captureStackTrace(this,arguments.callee):this.stack=(new Error).stack}function a(t,e){this.name="SilentMiddlewareBlockedError",this.message=t,this.type=e,Error.captureStackTrace&&!k?Error.captureStackTrace(this,arguments.callee):this.stack=(new Error).stack}function c(t){this.name="InvalidActionError",this.message=t,Error.captureStackTrace&&!k?Error.captureStackTrace(this,arguments.callee):this.stack=(new Error).stack}function u(t){this.name="InvalidArgumentsError",this.message=t,Error.captureStackTrace&&!k?Error.captureStackTrace(this,arguments.callee):this.stack=(new Error).stack}function h(t){this.name="InvalidOptionsError",this.message=t,Error.captureStackTrace&&!k?Error.captureStackTrace(this,arguments.callee):this.stack=(new Error).stack}function l(t){this.name="InvalidMessageError",this.message=t,Error.captureStackTrace&&!k?Error.captureStackTrace(this,arguments.callee):this.stack=(new Error).stack}function p(t,e){this.name="SocketProtocolError",this.message=t,this.code=e,Error.captureStackTrace&&!k?Error.captureStackTrace(this,arguments.callee):this.stack=(new Error).stack}function f(t){this.name="ServerProtocolError",this.message=t,Error.captureStackTrace&&!k?Error.captureStackTrace(this,arguments.callee):this.stack=(new Error).stack}function d(t){this.name="HTTPServerError",this.message=t,Error.captureStackTrace&&!k?Error.captureStackTrace(this,arguments.callee):this.stack=(new Error).stack}function y(t){this.name="ResourceLimitError",this.message=t,Error.captureStackTrace&&!k?Error.captureStackTrace(this,arguments.callee):this.stack=(new Error).stack}function v(t){this.name="TimeoutError",this.message=t,Error.captureStackTrace&&!k?Error.captureStackTrace(this,arguments.callee):this.stack=(new Error).stack}function g(t,e){this.name="BadConnectionError",this.message=t,this.type=e,Error.captureStackTrace&&!k?Error.captureStackTrace(this,arguments.callee):this.stack=(new Error).stack}function m(t){this.name="BrokerError",this.message=t,Error.captureStackTrace&&!k?Error.captureStackTrace(this,arguments.callee):this.stack=(new Error).stack}function b(t,e){this.name="ProcessExitError",this.message=t,this.code=e,Error.captureStackTrace&&!k?Error.captureStackTrace(this,arguments.callee):this.stack=(new Error).stack}function E(t){this.name="UnknownError",this.message=t,Error.captureStackTrace&&!k?Error.captureStackTrace(this,arguments.callee):this.stack=(new Error).stack}var w=n(14),k=function(){return!this}();r.prototype=Object.create(Error.prototype),o.prototype=Object.create(Error.prototype),i.prototype=Object.create(Error.prototype),s.prototype=Object.create(Error.prototype),a.prototype=Object.create(Error.prototype),c.prototype=Object.create(Error.prototype),u.prototype=Object.create(Error.prototype),h.prototype=Object.create(Error.prototype),l.prototype=Object.create(Error.prototype),p.prototype=Object.create(Error.prototype),f.prototype=Object.create(Error.prototype),d.prototype=Object.create(Error.prototype),y.prototype=Object.create(Error.prototype),v.prototype=Object.create(Error.prototype),g.prototype=Object.create(Error.prototype),m.prototype=Object.create(Error.prototype),b.prototype=Object.create(Error.prototype),E.prototype=Object.create(Error.prototype),t.exports={AuthTokenExpiredError:r,AuthTokenInvalidError:o,AuthTokenNotBeforeError:i,AuthTokenError:s,SilentMiddlewareBlockedError:a,InvalidActionError:c,InvalidArgumentsError:u,InvalidOptionsError:h,InvalidMessageError:l,SocketProtocolError:p,ServerProtocolError:f,HTTPServerError:d,ResourceLimitError:y,TimeoutError:v,BadConnectionError:g,BrokerError:m,ProcessExitError:b,UnknownError:E},t.exports.socketProtocolErrorStatuses={1001:"Socket was disconnected",1002:"A WebSocket protocol error was encountered",1003:"Server terminated socket because it received invalid data",1005:"Socket closed without status code",1006:"Socket hung up",1007:"Message format was incorrect",1008:"Encountered a policy violation",1009:"Message was too big to process",1010:"Client ended the connection because the server did not comply with extension requirements",1011:"Server encountered an unexpected fatal condition",4e3:"Server ping timed out",4001:"Client pong timed out",4002:"Server failed to sign auth token",4003:"Failed to complete handshake",4004:"Client failed to save auth token",4005:"Did not receive #handshake from client before timeout",4006:"Failed to bind socket to message broker",4007:"Client connection establishment timed out"},t.exports.socketProtocolIgnoreStatuses={1e3:"Socket closed normally",1001:"Socket hung up"};var T={domain:1,domainEmitter:1,domainThrown:1};t.exports.dehydrateError=function(t,e){var n;if(t&&"object"==typeof t){n={message:t.message},e&&(n.stack=t.stack);for(var r in t)T[r]||(n[r]=t[r])}else n="function"==typeof t?"[function "+(t.name||"anonymous")+"]":t;return w(n)},t.exports.hydrateError=function(t){var e=null;if(null!=t)if("object"==typeof t){e=new Error(t.message);for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])}else e=t;return e},t.exports.decycle=w},function(t,e,n){(function(e,r){var o=n(1),i=n(13).SCChannel,s=(n(5).Response,n(15).AuthEngine),a=n(16),c=n(17).SCTransport,u=n(6),h=n(21),l=n(23),p=n(25),f=n(2),d=f.InvalidArgumentsError,y=f.InvalidMessageError,v=f.SocketProtocolError,g=f.TimeoutError,m=f.BadConnectionError,b="undefined"!=typeof window,E=function(t){var n=this;o.call(this),this.id=null,this.state=this.CLOSED,this.authState=this.UNAUTHENTICATED,this.signedAuthToken=null,this.authToken=null,this.pendingReconnect=!1,this.pendingReconnectTimeout=null,this.preparingPendingSubscriptions=!1,this.connectTimeout=t.connectTimeout,this.ackTimeout=t.ackTimeout,this.channelPrefix=t.channelPrefix||null,this.disconnectOnUnload=null==t.disconnectOnUnload||t.disconnectOnUnload,this.authTokenName=t.authTokenName,this.pingTimeout=this.ackTimeout;var r=Math.pow(2,31)-1,i=function(t){if(n[t]>r)throw new d("The "+t+" value provided exceeded the maximum amount allowed")};if(i("connectTimeout"),i("ackTimeout"),i("pingTimeout"),this._localEvents={connect:1,connectAbort:1,disconnect:1,message:1,error:1,raw:1,fail:1,kickOut:1,subscribe:1,unsubscribe:1,subscribeStateChange:1,authStateChange:1,authenticate:1,deauthenticate:1,removeAuthToken:1,subscribeRequest:1},this.connectAttempts=0,this._emitBuffer=new h,this.channels={},this.options=t,this._cid=1,this.options.callIdGenerator=function(){return n._cid++},this.options.autoReconnect){null==this.options.autoReconnectOptions&&(this.options.autoReconnectOptions={});var c=this.options.autoReconnectOptions;null==c.initialDelay&&(c.initialDelay=1e4),null==c.randomness&&(c.randomness=1e4),null==c.multiplier&&(c.multiplier=1.5),null==c.maxDelay&&(c.maxDelay=6e4)}null==this.options.subscriptionRetryOptions&&(this.options.subscriptionRetryOptions={}),this.options.authEngine?this.auth=this.options.authEngine:this.auth=new s,this.options.codecEngine?this.codec=this.options.codecEngine:this.codec=a,this.options.path=this.options.path.replace(/\/$/,"")+"/",this.options.query=t.query||{},"string"==typeof this.options.query&&(this.options.query=u.parse(this.options.query)),this.options.autoConnect&&this.connect(),this._channelEmitter=new o,b&&this.disconnectOnUnload&&e.addEventListener&&(this._unloadHandler=function(){n.disconnect()},e.addEventListener("beforeunload",this._unloadHandler,!1))};E.prototype=Object.create(o.prototype),E.CONNECTING=E.prototype.CONNECTING=c.prototype.CONNECTING,E.OPEN=E.prototype.OPEN=c.prototype.OPEN,E.CLOSED=E.prototype.CLOSED=c.prototype.CLOSED,E.AUTHENTICATED=E.prototype.AUTHENTICATED="authenticated",E.UNAUTHENTICATED=E.prototype.UNAUTHENTICATED="unauthenticated",E.PENDING=E.prototype.PENDING="pending",E.ignoreStatuses=f.socketProtocolIgnoreStatuses,E.errorStatuses=f.socketProtocolErrorStatuses,E.prototype._privateEventHandlerMap={"#publish":function(t){var e=this._undecorateChannelName(t.channel);this.isSubscribed(e,!0)&&this._channelEmitter.emit(e,t.data)},"#kickOut":function(t){var e=this._undecorateChannelName(t.channel),n=this.channels[e];n&&(o.prototype.emit.call(this,"kickOut",t.message,e),n.emit("kickOut",t.message,e),this._triggerChannelUnsubscribe(n))},"#setAuthToken":function(t,e){var n=this;if(t){var r=function(r){r?(e.error(r),n._onSCError(r)):(n._changeToAuthenticatedState(t.token),e.end())};this.auth.saveToken(this.authTokenName,t.token,{},r)}else e.error(new y("No token data provided by #setAuthToken event"))},"#removeAuthToken":function(t,e){var n=this;this.auth.removeToken(this.authTokenName,function(t,r){t?(e.error(t),n._onSCError(t)):(o.prototype.emit.call(n,"removeAuthToken",r),n._changeToUnauthenticatedStateAndClearTokens(),e.end())})},"#disconnect":function(t){this.transport.close(t.code,t.data)}},E.prototype.getState=function(){return this.state},E.prototype.getBytesReceived=function(){return this.transport.getBytesReceived()},E.prototype.deauthenticate=function(t){var e=this;this.auth.removeToken(this.authTokenName,function(n,r){n?e._onSCError(n):(o.prototype.emit.call(e,"removeAuthToken",r),e.state!=e.CLOSED&&e.emit("#removeAuthToken"),e._changeToUnauthenticatedStateAndClearTokens()),t&&t(n)})},E.prototype.connect=E.prototype.open=function(){var t=this;this.state==this.CLOSED&&(this.pendingReconnect=!1,this.pendingReconnectTimeout=null,clearTimeout(this._reconnectTimeoutRef),this.state=this.CONNECTING,o.prototype.emit.call(this,"connecting"),this.transport&&this.transport.off(),this.transport=new c(this.auth,this.codec,this.options),this.transport.on("open",function(e){t.state=t.OPEN,t._onSCOpen(e)}),this.transport.on("error",function(e){t._onSCError(e)}),this.transport.on("close",function(e,n){t.state=t.CLOSED,t._onSCClose(e,n)}),this.transport.on("openAbort",function(e,n){t.state=t.CLOSED,t._onSCClose(e,n,!0)}),this.transport.on("event",function(e,n,r){t._onSCEvent(e,n,r)}))},E.prototype.reconnect=function(){this.disconnect(),this.connect()},E.prototype.disconnect=function(t,e){if("number"!=typeof(t=t||1e3))throw new d("If specified, the code argument must be a number");this.state==this.OPEN||this.state==this.CONNECTING?this.transport.close(t,e):(this.pendingReconnect=!1,this.pendingReconnectTimeout=null,clearTimeout(this._reconnectTimeoutRef))},E.prototype.destroy=function(){this._unloadHandler&&e.removeEventListener("beforeunload",this._unloadHandler,!1),this.disconnect()},E.prototype._changeToUnauthenticatedStateAndClearTokens=function(){if(this.authState!=this.UNAUTHENTICATED){var t=this.authState;this.authState=this.UNAUTHENTICATED,this.signedAuthToken=null,this.authToken=null;var e={oldState:t,newState:this.authState};o.prototype.emit.call(this,"authStateChange",e),t==this.AUTHENTICATED&&o.prototype.emit.call(this,"deauthenticate"),o.prototype.emit.call(this,"authTokenChange",this.signedAuthToken)}},E.prototype._changeToAuthenticatedState=function(t){if(this.signedAuthToken=t,this.authToken=this._extractAuthTokenData(t),this.authState!=this.AUTHENTICATED){var e=this.authState;this.authState=this.AUTHENTICATED;var n={oldState:e,newState:this.authState,signedAuthToken:t,authToken:this.authToken};this.preparingPendingSubscriptions||this.processPendingSubscriptions(),o.prototype.emit.call(this,"authStateChange",n),o.prototype.emit.call(this,"authenticate",t)}o.prototype.emit.call(this,"authTokenChange",t)},E.prototype.decodeBase64=function(t){var n;if(void 0===r)n=e.atob?e.atob(t):l.decode(t);else{n=new r(t,"base64").toString("utf8")}return n},E.prototype.encodeBase64=function(t){var n;if(void 0===r)n=e.btoa?e.btoa(t):l.encode(t);else{n=new r(t,"utf8").toString("base64")}return n},E.prototype._extractAuthTokenData=function(t){var e=(t||"").split("."),n=e[1];if(null!=n){var r=n;try{return r=this.decodeBase64(r),JSON.parse(r)}catch(t){return r}}return null},E.prototype.getAuthToken=function(){return this.authToken},E.prototype.getSignedAuthToken=function(){return this.signedAuthToken},E.prototype.authenticate=function(t,e){var n=this;this.emit("#authenticate",t,function(r,o){o&&null!=o.isAuthenticated?o.authError&&(o.authError=f.hydrateError(o.authError)):o={isAuthenticated:n.authState,authError:null},r?("BadConnectionError"!=r.name&&"TimeoutError"!=r.name&&n._changeToUnauthenticatedStateAndClearTokens(),e&&e(r,o)):n.auth.saveToken(n.authTokenName,t,{},function(r){r&&n._onSCError(r),o.isAuthenticated?n._changeToAuthenticatedState(t):n._changeToUnauthenticatedStateAndClearTokens(),e&&e(r,o)})})},E.prototype._tryReconnect=function(t){var e,n=this,r=this.connectAttempts++,o=this.options.autoReconnectOptions;if(null==t||r>0){var i=Math.round(o.initialDelay+(o.randomness||0)*Math.random());e=Math.round(i*Math.pow(o.multiplier,r))}else e=t;e>o.maxDelay&&(e=o.maxDelay),clearTimeout(this._reconnectTimeoutRef),this.pendingReconnect=!0,this.pendingReconnectTimeout=e,this._reconnectTimeoutRef=setTimeout(function(){n.connect()},e)},E.prototype._onSCOpen=function(t){var e=this;this.preparingPendingSubscriptions=!0,t?(this.id=t.id,this.pingTimeout=t.pingTimeout,this.transport.pingTimeout=this.pingTimeout,t.isAuthenticated?this._changeToAuthenticatedState(t.authToken):this._changeToUnauthenticatedStateAndClearTokens()):this._changeToUnauthenticatedStateAndClearTokens(),this.connectAttempts=0,this.options.autoSubscribeOnConnect&&this.processPendingSubscriptions(),o.prototype.emit.call(this,"connect",t,function(){e.processPendingSubscriptions()}),this._flushEmitBuffer()},E.prototype._onSCError=function(t){var e=this;setTimeout(function(){if(e.listeners("error").length<1)throw t;o.prototype.emit.call(e,"error",t)},0)},E.prototype._suspendSubscriptions=function(){var t,e;for(var n in this.channels)this.channels.hasOwnProperty(n)&&(t=this.channels[n],e=t.state==t.SUBSCRIBED||t.state==t.PENDING?t.PENDING:t.UNSUBSCRIBED,this._triggerChannelUnsubscribe(t,e))},E.prototype._abortAllPendingEventsDueToBadConnection=function(t){for(var e,n=this._emitBuffer.head;n;){e=n.next;var r=n.data;clearTimeout(r.timeout),delete r.timeout,n.detach(),n=e;var o=r.callback;if(o){delete r.callback;var i="Event '"+r.event+"' was aborted due to a bad connection",s=new m(i,t);o.call(r,s,r)}}},E.prototype._onSCClose=function(t,e,n){var r=this;if(this.id=null,this.transport&&this.transport.off(),this.pendingReconnect=!1,this.pendingReconnectTimeout=null,clearTimeout(this._reconnectTimeoutRef),this._suspendSubscriptions(),this._abortAllPendingEventsDueToBadConnection(n?"connectAbort":"disconnect"),this.options.autoReconnect&&(4e3==t||4001==t||1005==t?this._tryReconnect(0):1e3!=t&&t<4500&&this._tryReconnect()),n?o.prototype.emit.call(r,"connectAbort",t,e):o.prototype.emit.call(r,"disconnect",t,e),!E.ignoreStatuses[t]){var i;i=e?"Socket connection failed: "+e:"Socket connection failed for unknown reasons";var s=new v(E.errorStatuses[t]||i,t);this._onSCError(s)}},E.prototype._onSCEvent=function(t,e,n){var r=this._privateEventHandlerMap[t];r?r.call(this,e,n):o.prototype.emit.call(this,t,e,function(){n&&n.callback.apply(n,arguments)})},E.prototype.decode=function(t){return this.transport.decode(t)},E.prototype.encode=function(t){return this.transport.encode(t)},E.prototype._flushEmitBuffer=function(){for(var t,e=this._emitBuffer.head;e;){t=e.next;var n=e.data;e.detach(),this.transport.emitObject(n),e=t}},E.prototype._handleEventAckTimeout=function(t,e){e&&e.detach(),delete t.timeout;var n=t.callback;if(n){delete t.callback;var r=new g("Event response for '"+t.event+"' timed out");n.call(t,r,t)}},E.prototype._emit=function(t,e,n){var r=this;this.state==this.CLOSED&&this.connect();var o={event:t,callback:n},i=new h.Item;this.options.cloneData?o.data=p(e):o.data=e,i.data=o,o.timeout=setTimeout(function(){r._handleEventAckTimeout(o,i)},this.ackTimeout),this._emitBuffer.append(i),this.state==this.OPEN&&this._flushEmitBuffer()},E.prototype.send=function(t){this.transport.send(t)},E.prototype.emit=function(t,e,n){null==this._localEvents[t]?this._emit(t,e,n):o.prototype.emit.call(this,t,e)},E.prototype.publish=function(t,e,n){var r={channel:this._decorateChannelName(t),data:e};this.emit("#publish",r,n)},E.prototype._triggerChannelSubscribe=function(t,e){var n=t.name;if(t.state!=t.SUBSCRIBED){var r=t.state;t.state=t.SUBSCRIBED;var i={channel:n,oldState:r,newState:t.state,subscriptionOptions:e};t.emit("subscribeStateChange",i),t.emit("subscribe",n,e),o.prototype.emit.call(this,"subscribeStateChange",i),o.prototype.emit.call(this,"subscribe",n,e)}},E.prototype._triggerChannelSubscribeFail=function(t,e,n){var r=e.name,i=!e.waitForAuth||this.authState==this.AUTHENTICATED;e.state!=e.UNSUBSCRIBED&&i&&(e.state=e.UNSUBSCRIBED,e.emit("subscribeFail",t,r,n),o.prototype.emit.call(this,"subscribeFail",t,r,n))},E.prototype._cancelPendingSubscribeCallback=function(t){null!=t._pendingSubscriptionCid&&(this.transport.cancelPendingResponse(t._pendingSubscriptionCid),delete t._pendingSubscriptionCid)},E.prototype._decorateChannelName=function(t){return this.channelPrefix&&(t=this.channelPrefix+t),t},E.prototype._undecorateChannelName=function(t){return this.channelPrefix&&0==t.indexOf(this.channelPrefix)?t.replace(this.channelPrefix,""):t},E.prototype._trySubscribe=function(t){var e=this,n=!t.waitForAuth||this.authState==this.AUTHENTICATED;if(this.state==this.OPEN&&!this.preparingPendingSubscriptions&&null==t._pendingSubscriptionCid&&n){var r={noTimeout:!0},i={channel:this._decorateChannelName(t.name)};t.waitForAuth&&(r.waitForAuth=!0,i.waitForAuth=r.waitForAuth),t.data&&(i.data=t.data),t._pendingSubscriptionCid=this.transport.emit("#subscribe",i,r,function(n){delete t._pendingSubscriptionCid,n?e._triggerChannelSubscribeFail(n,t,i):e._triggerChannelSubscribe(t,i)}),o.prototype.emit.call(this,"subscribeRequest",t.name,i)}},E.prototype.subscribe=function(t,e){var n=this.channels[t];return n?e&&n.setOptions(e):(n=new i(t,this,e),this.channels[t]=n),n.state==n.UNSUBSCRIBED&&(n.state=n.PENDING,this._trySubscribe(n)),n},E.prototype._triggerChannelUnsubscribe=function(t,e){var n=t.name,r=t.state;if(t.state=e||t.UNSUBSCRIBED,this._cancelPendingSubscribeCallback(t),r==t.SUBSCRIBED){var i={channel:n,oldState:r,newState:t.state};t.emit("subscribeStateChange",i),t.emit("unsubscribe",n),o.prototype.emit.call(this,"subscribeStateChange",i),o.prototype.emit.call(this,"unsubscribe",n)}},E.prototype._tryUnsubscribe=function(t){if(this.state==this.OPEN){var e={noTimeout:!0};this._cancelPendingSubscribeCallback(t);var n=this._decorateChannelName(t.name);this.transport.emit("#unsubscribe",n,e)}},E.prototype.unsubscribe=function(t){var e=this.channels[t];e&&e.state!=e.UNSUBSCRIBED&&(this._triggerChannelUnsubscribe(e),this._tryUnsubscribe(e))},E.prototype.channel=function(t,e){var n=this.channels[t];return n||(n=new i(t,this,e),this.channels[t]=n),n},E.prototype.destroyChannel=function(t){var e=this.channels[t];e.unwatch(),e.unsubscribe(),delete this.channels[t]},E.prototype.subscriptions=function(t){var e,n=[];for(var r in this.channels)this.channels.hasOwnProperty(r)&&(e=this.channels[r],(t?e&&(e.state==e.SUBSCRIBED||e.state==e.PENDING):e&&e.state==e.SUBSCRIBED)&&n.push(r));return n},E.prototype.isSubscribed=function(t,e){var n=this.channels[t];return e?!!n&&(n.state==n.SUBSCRIBED||n.state==n.PENDING):!!n&&n.state==n.SUBSCRIBED},E.prototype.processPendingSubscriptions=function(){var t=this;this.preparingPendingSubscriptions=!1;var e=[];for(var n in this.channels)if(this.channels.hasOwnProperty(n)){var r=this.channels[n];r.state==r.PENDING&&e.push(r)}e.sort(function(t,e){var n=t.priority||0,r=e.priority||0;return n>r?-1:n<r?1:0}),e.forEach(function(e){t._trySubscribe(e)})},E.prototype.watch=function(t,e){if("function"!=typeof e)throw new d("No handler function was provided");this._channelEmitter.on(t,e)},E.prototype.unwatch=function(t,e){e?this._channelEmitter.removeListener(t,e):this._channelEmitter.removeAllListeners(t)},E.prototype.watchers=function(t){return 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