socketcluster-client
Version:
SocketCluster JavaScript client
2 lines • 35.6 kB
JavaScript
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.socketCluster=f()}})(function(){var define,module,exports;return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var SCSocket=require("./lib/scsocket");module.exports.SCSocket=SCSocket;module.exports.SCEmitter=require("sc-emitter").SCEmitter;module.exports.connect=function(options){return new SCSocket(options)};module.exports.version="2.3.18"},{"./lib/scsocket":5,"sc-emitter":11}],2:[function(require,module,exports){(function(global){var AuthEngine=function(){this._internalStorage={}};AuthEngine.prototype._isLocalStorageEnabled=function(){var err;try{global.localStorage}catch(e){err=e}return!err};AuthEngine.prototype.saveToken=function(name,token,options,callback){if(this._isLocalStorageEnabled()&&global.localStorage){global.localStorage.setItem(name,token)}else{this._internalStorage[name]=token}callback&&callback()};AuthEngine.prototype.removeToken=function(name,callback){if(this._isLocalStorageEnabled()&&global.localStorage){global.localStorage.removeItem(name)}delete this._internalStorage[name];callback&&callback()};AuthEngine.prototype.loadToken=function(name,callback){var token;if(this._isLocalStorageEnabled()&&global.localStorage){token=global.localStorage.getItem(name)}else{token=this._internalStorage[name]||null}callback(null,token)};module.exports.AuthEngine=AuthEngine}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],3:[function(require,module,exports){module.exports.create=function(){function F(){}return function(o){if(arguments.length!=1){throw new Error("Object.create implementation only accepts one parameter.")}F.prototype=o;return new F}}()},{}],4:[function(require,module,exports){var Response=function(socket,id){this.socket=socket;this.id=id};Response.prototype._respond=function(responseData){this.socket.send(this.socket.stringify(responseData))};Response.prototype.end=function(data){if(this.id){var responseData={rid:this.id};if(data!==undefined){responseData.data=data}this._respond(responseData)}};Response.prototype.error=function(error,data){if(this.id){var err;if(error instanceof Error){err={name:error.name,message:error.message,stack:error.stack}}else{err=error}var responseData={rid:this.id,error:err};if(data!==undefined){responseData.data=data}this._respond(responseData)}};Response.prototype.callback=function(error,data){if(error){this.error(error,data)}else{this.end(data)}};module.exports.Response=Response},{}],5:[function(require,module,exports){(function(global){var SCEmitter=require("sc-emitter").SCEmitter;var SCChannel=require("sc-channel").SCChannel;var Response=require("./response").Response;var AuthEngine=require("./auth").AuthEngine;var SCTransport=require("./sctransport").SCTransport;var querystring=require("querystring");var LinkedList=require("linked-list");if(!Object.create){Object.create=require("./objectcreate")}var isBrowser=typeof window!="undefined";var SCSocket=function(options){var self=this;SCEmitter.call(this);var opts={port:null,autoReconnect:true,autoProcessSubscriptions:true,ackTimeout:1e4,hostname:global.location&&location.hostname,path:"/socketcluster/",secure:global.location&&location.protocol=="https:",timestampRequests:false,timestampParam:"t",authEngine:null,authTokenName:"socketCluster.authToken",binaryType:"arraybuffer"};for(var i in options){if(options.hasOwnProperty(i)){opts[i]=options[i]}}this.id=null;this.state=this.CLOSED;this.pendingConnectCallback=false;this.ackTimeout=opts.ackTimeout;this.pingTimeout=this.ackTimeout;var maxTimeout=Math.pow(2,31)-1;var verifyDuration=function(propertyName){if(self[propertyName]>maxTimeout){throw new Error("The "+propertyName+" value provided exceeded the maximum amount allowed")}};verifyDuration("ackTimeout");verifyDuration("pingTimeout");this._localEvents={connect:1,connectAbort:1,disconnect:1,message:1,error:1,raw:1,fail:1,kickOut:1,subscribe:1,unsubscribe:1,authenticate:1,removeAuthToken:1};this._connectAttempts=0;this._emitBuffer=new LinkedList;this._channels={};this.options=opts;this._cid=1;this.options.callIdGenerator=function(){return self._callIdGenerator()};if(this.options.autoReconnect){if(this.options.autoReconnectOptions==null){this.options.autoReconnectOptions={}}var reconnectOptions=this.options.autoReconnectOptions;if(reconnectOptions.initialDelay==null){reconnectOptions.initialDelay=1e4}if(reconnectOptions.randomness==null){reconnectOptions.randomness=1e4}if(reconnectOptions.multiplier==null){reconnectOptions.multiplier=1.5}if(reconnectOptions.maxDelay==null){reconnectOptions.maxDelay=6e4}}if(this.options.subscriptionRetryOptions==null){this.options.subscriptionRetryOptions={}}if(this.options.authEngine){this.auth=this.options.authEngine}else{this.auth=new AuthEngine}this.options.path=this.options.path.replace(/\/$/,"")+"/";this.options.query=opts.query||{};if(typeof this.options.query=="string"){this.options.query=querystring.parse(this.options.query)}this.options.port=opts.port||(global.location&&location.port?location.port:this.options.secure?443:80);this.connect();this._channelEmitter=new SCEmitter;if(isBrowser){var unloadHandler=function(){self.disconnect()};if(global.attachEvent){global.attachEvent("onunload",unloadHandler)}else if(global.addEventListener){global.addEventListener("beforeunload",unloadHandler,false)}}};SCSocket.prototype=Object.create(SCEmitter.prototype);SCSocket.CONNECTING=SCSocket.prototype.CONNECTING=SCTransport.prototype.CONNECTING;SCSocket.OPEN=SCSocket.prototype.OPEN=SCTransport.prototype.OPEN;SCSocket.CLOSED=SCSocket.prototype.CLOSED=SCTransport.prototype.CLOSED;SCSocket.ignoreStatuses={1e3:"Socket closed normally",1001:"Socket hung up"};SCSocket.errorStatuses={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"};SCSocket.prototype._privateEventHandlerMap={"#fail":function(data){this._onSCError(data)},"#publish":function(data){var isSubscribed=this.isSubscribed(data.channel,true);if(isSubscribed){this._channelEmitter.emit(data.channel,data.data)}},"#kickOut":function(data){var channelName=data.channel;var channel=this._channels[channelName];if(channel){SCEmitter.prototype.emit.call(this,"kickOut",data.message,channelName);channel.emit("kickOut",data.message,channelName);this._triggerChannelUnsubscribe(channel)}},"#setAuthToken":function(data,response){var self=this;if(data){var triggerAuthenticate=function(err){if(err){response.error(err.message||err);self._onSCError(err)}else{SCEmitter.prototype.emit.call(self,"authenticate",data.token);response.end()}};this.auth.saveToken(this.options.authTokenName,data.token,{},triggerAuthenticate)}else{response.error("No token data provided by #setAuthToken event")}},"#removeAuthToken":function(data,response){var self=this;this.auth.removeToken(this.options.authTokenName,function(err){if(err){response.error(err.message||err);self._onSCError(err)}else{SCEmitter.prototype.emit.call(self,"removeAuthToken");response.end()}})},"#disconnect":function(data){this.transport.close(data.code,data.data)}};SCSocket.prototype._callIdGenerator=function(){return this._cid++};SCSocket.prototype.getState=function(){return this.state};SCSocket.prototype.getBytesReceived=function(){return this.transport.getBytesReceived()};SCSocket.prototype.removeAuthToken=function(callback){var self=this;this.auth.removeToken(this.options.authTokenName,function(err){callback&&callback(err);if(err){self._onSCError(err)}else{SCEmitter.prototype.emit.call(self,"removeAuthToken")}})};SCSocket.prototype.connect=SCSocket.prototype.open=function(){var self=this;if(this.state==this.CLOSED){clearTimeout(this._reconnectTimeout);this.state=this.CONNECTING;if(this.transport){this.transport.off()}this.transport=new SCTransport(this.auth,this.options);this.transport.on("open",function(status){self.state=self.OPEN;self._onSCOpen(status)});this.transport.on("error",function(err){self._onSCError(err)});this.transport.on("close",function(code,data){self.state=self.CLOSED;self._onSCClose(code,data)});this.transport.on("openAbort",function(code,data){self.state=self.CLOSED;self._onSCClose(code,data,true)});this.transport.on("event",function(event,data,res){self._onSCEvent(event,data,res)})}};SCSocket.prototype.reconnect=function(){this.disconnect();this.connect()};SCSocket.prototype.disconnect=function(code,data){code=code||1e3;if(this.state==this.OPEN){var packet={code:code,data:data};this.transport.emit("#disconnect",packet);this.transport.close(code)}else if(this.state==this.CONNECTING){this.transport.close(code)}};SCSocket.prototype.authenticate=function(encryptedAuthToken,callback){var self=this;this.emit("#authenticate",encryptedAuthToken,function(err,authStatus){if(err){callback&&callback(err,authStatus)}else{self.auth.saveToken(self.options.authTokenName,encryptedAuthToken,{},function(err){callback&&callback(err,authStatus);if(err){self._onSCError(err)}else if(authStatus.isAuthenticated){SCEmitter.prototype.emit.call(self,"authenticate",encryptedAuthToken)}})}})};SCSocket.prototype._tryReconnect=function(initialDelay){var self=this;var exponent=this._connectAttempts++;var reconnectOptions=this.options.autoReconnectOptions;var timeout;if(initialDelay==null||exponent>0){var initialTimeout=Math.round(reconnectOptions.initialDelay+(reconnectOptions.randomness||0)*Math.random());timeout=Math.round(initialTimeout*Math.pow(reconnectOptions.multiplier,exponent))}else{timeout=initialDelay}if(timeout>reconnectOptions.maxDelay){timeout=reconnectOptions.maxDelay}clearTimeout(this._reconnectTimeout);this._reconnectTimeout=setTimeout(function(){self.connect()},timeout)};SCSocket.prototype._onSCOpen=function(status){var self=this;if(status){this.id=status.id;this.pingTimeout=status.pingTimeout;this.transport.pingTimeout=this.pingTimeout}this._connectAttempts=0;if(this.options.autoProcessSubscriptions){this.processPendingSubscriptions()}else{this.pendingConnectCallback=true}SCEmitter.prototype.emit.call(this,"connect",status,function(){self.processPendingSubscriptions()});this._flushEmitBuffer()};SCSocket.prototype._onSCError=function(err){var self=this;setTimeout(function(){if(self.listeners("error").length<1){throw err}else{SCEmitter.prototype.emit.call(self,"error",err)}},0)};SCSocket.prototype._suspendSubscriptions=function(){var channel,newState;for(var channelName in this._channels){if(this._channels.hasOwnProperty(channelName)){channel=this._channels[channelName];if(channel.state==channel.SUBSCRIBED||channel.state==channel.PENDING){newState=channel.PENDING}else{newState=channel.UNSUBSCRIBED}this._triggerChannelUnsubscribe(channel,newState)}}};SCSocket.prototype._onSCClose=function(code,data,openAbort){var self=this;this.id=null;if(this.transport){this.transport.off()}clearTimeout(this._reconnectTimeout);this._suspendSubscriptions();if(openAbort){SCEmitter.prototype.emit.call(self,"connectAbort",code,data)}else{SCEmitter.prototype.emit.call(self,"disconnect",code,data)}if(this.options.autoReconnect){if(code==4e3||code==4001||code==1005){this._tryReconnect(0)}else if(code!=1e3){this._tryReconnect()}}if(!SCSocket.ignoreStatuses[code]){var err=new Error(SCSocket.errorStatuses[code]||"Socket connection failed for unknown reasons");err.code=code;this._onSCError(err)}};SCSocket.prototype._onSCEvent=function(event,data,res){var handler=this._privateEventHandlerMap[event];if(handler){handler.call(this,data,res)}else{SCEmitter.prototype.emit.call(this,event,data,function(){res&&res.callback.apply(res,arguments)})}};SCSocket.prototype.parse=function(message){return this.transport.parse(message)};SCSocket.prototype.stringify=function(object){return this.transport.stringify(object)};SCSocket.prototype._flushEmitBuffer=function(){var currentNode=this._emitBuffer.head;var nextNode;while(currentNode){nextNode=currentNode.next;var eventObject=currentNode.data;currentNode.detach();this.transport.emitRaw(eventObject);currentNode=nextNode}};SCSocket.prototype._handleEventAckTimeout=function(eventObject,eventNode){var errorMessage="Event response for '"+eventObject.event+"' timed out";var error=new Error(errorMessage);error.type="timeout";var callback=eventObject.callback;delete eventObject.callback;if(eventNode){eventNode.detach()}callback.call(eventObject,error,eventObject);this._onSCError(error)};SCSocket.prototype._emit=function(event,data,callback){var self=this;if(this.state==this.CLOSED){this.connect()}var eventObject={event:event,data:data,callback:callback};var eventNode=new LinkedList.Item;eventNode.data=eventObject;if(callback){eventObject.timeout=setTimeout(function(){self._handleEventAckTimeout(eventObject,eventNode)},this.ackTimeout)}this._emitBuffer.append(eventNode);if(this.state==this.OPEN){this._flushEmitBuffer()}};SCSocket.prototype.emit=function(event,data,callback){if(this._localEvents[event]==null){this._emit(event,data,callback)}else{SCEmitter.prototype.emit.call(this,event,data)}};SCSocket.prototype.publish=function(channelName,data,callback){var pubData={channel:channelName,data:data};this.emit("#publish",pubData,function(err){callback&&callback(err)})};SCSocket.prototype._triggerChannelSubscribe=function(channel){var channelName=channel.name;if(channel.state!=channel.SUBSCRIBED){channel.state=channel.SUBSCRIBED;channel.emit("subscribe",channelName);SCEmitter.prototype.emit.call(this,"subscribe",channelName)}};SCSocket.prototype._triggerChannelSubscribeFail=function(err,channel){var channelName=channel.name;if(channel.state!=channel.UNSUBSCRIBED){channel.state=channel.UNSUBSCRIBED;channel.emit("subscribeFail",err,channelName);SCEmitter.prototype.emit.call(this,"subscribeFail",err,channelName)}};SCSocket.prototype._cancelPendingSubscribeCallback=function(channel){if(channel._pendingSubscriptionCid!=null){this.transport.cancelPendingResponse(channel._pendingSubscriptionCid);delete channel._pendingSubscriptionCid}};SCSocket.prototype._trySubscribe=function(channel){var self=this;if(this.state==this.OPEN&&!this.pendingConnectCallback&&channel._pendingSubscriptionCid==null){var options={noTimeout:true};channel._pendingSubscriptionCid=this.transport.emit("#subscribe",channel.name,options,function(err){delete channel._pendingSubscriptionCid;if(err){self._triggerChannelSubscribeFail(err,channel)}else{self._triggerChannelSubscribe(channel)}})}};SCSocket.prototype.subscribe=function(channelName){var channel=this._channels[channelName];if(!channel){channel=new SCChannel(channelName,this);this._channels[channelName]=channel}if(channel.state==channel.UNSUBSCRIBED){channel.state=channel.PENDING;this._trySubscribe(channel)}return channel};SCSocket.prototype._triggerChannelUnsubscribe=function(channel,newState){var channelName=channel.name;var oldState=channel.state;if(newState){channel.state=newState}else{channel.state=channel.UNSUBSCRIBED}this._cancelPendingSubscribeCallback(channel);if(oldState==channel.SUBSCRIBED){channel.emit("unsubscribe",channelName);SCEmitter.prototype.emit.call(this,"unsubscribe",channelName)}};SCSocket.prototype._tryUnsubscribe=function(channel){var self=this;if(this.state==this.OPEN){var options={noTimeout:true};this._cancelPendingSubscribeCallback(channel);this.transport.emit("#unsubscribe",channel.name,options)}};SCSocket.prototype.unsubscribe=function(channelName){var channel=this._channels[channelName];if(channel){if(channel.state!=channel.UNSUBSCRIBED){this._triggerChannelUnsubscribe(channel);this._tryUnsubscribe(channel)}}};SCSocket.prototype.channel=function(channelName){var currentChannel=this._channels[channelName];if(!currentChannel){currentChannel=new SCChannel(channelName,this);this._channels[channelName]=currentChannel}return currentChannel};SCSocket.prototype.destroyChannel=function(channelName){var channel=this._channels[channelName];channel.unwatch();channel.unsubscribe();delete this._channels[channelName]};SCSocket.prototype.subscriptions=function(includePending){var subs=[];var channel,includeChannel;for(var channelName in this._channels){if(this._channels.hasOwnProperty(channelName)){channel=this._channels[channelName];if(includePending){includeChannel=channel&&(channel.state==channel.SUBSCRIBED||channel.state==channel.PENDING)}else{includeChannel=channel&&channel.state==channel.SUBSCRIBED}if(includeChannel){subs.push(channelName)}}}return subs};SCSocket.prototype.isSubscribed=function(channel,includePending){var channel=this._channels[channel];if(includePending){return!!channel&&(channel.state==channel.SUBSCRIBED||channel.state==channel.PENDING)}return!!channel&&channel.state==channel.SUBSCRIBED};SCSocket.prototype.processPendingSubscriptions=function(){var self=this;this.pendingConnectCallback=false;var channels=[];for(var channelName in this._channels){if(this._channels.hasOwnProperty(channelName)){channels.push(channelName)}}for(var i in this._channels){if(this._channels.hasOwnProperty(i)){(function(channel){if(channel.state==channel.PENDING){self._trySubscribe(channel)}})(this._channels[i])}}};SCSocket.prototype.watch=function(channelName,handler){if(typeof handler!="function"){throw new Error("No handler function was provided")}this._channelEmitter.on(channelName,handler)};SCSocket.prototype.unwatch=function(channelName,handler){if(handler){this._channelEmitter.removeListener(channelName,handler)}else{this._channelEmitter.removeAllListeners(channelName)}};SCSocket.prototype.watchers=function(channelName){return this._channelEmitter.listeners(channelName)};module.exports=SCSocket}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./auth":2,"./objectcreate":3,"./response":4,"./sctransport":6,"linked-list":8,querystring:18,"sc-channel":9,"sc-emitter":11}],6:[function(require,module,exports){var WebSocket=require("sc-ws");var SCEmitter=require("sc-emitter").SCEmitter;var formatter=require("sc-formatter");var Response=require("./response").Response;var querystring=require("querystring");var SCTransport=function(authEngine,options){this.state=this.CLOSED;this.auth=authEngine;this.options=options;this.pingTimeout=options.ackTimeout;this.callIdGenerator=options.callIdGenerator;this._pingTimeoutTicker=null;this._callbackMap={};this.open()};SCTransport.prototype=Object.create(SCEmitter.prototype);SCTransport.CONNECTING=SCTransport.prototype.CONNECTING="connecting";SCTransport.OPEN=SCTransport.prototype.OPEN="open";SCTransport.CLOSED=SCTransport.prototype.CLOSED="closed";SCTransport.prototype.uri=function(){var query=this.options.query||{};var schema=this.options.secure?"wss":"ws";var port="";if(this.options.port&&("wss"==schema&&this.options.port!=443||"ws"==schema&&this.options.port!=80)){port=":"+this.options.port}if(this.options.timestampRequests){query[this.options.timestampParam]=(new Date).getTime()}query=querystring.stringify(query);if(query.length){query="?"+query}return schema+"://"+this.options.hostname+port+this.options.path+query};SCTransport.prototype.open=function(){var self=this;this.state=this.CONNECTING;var uri=this.uri();var wsSocket=new WebSocket(uri,null,this.options);wsSocket.binaryType=this.options.binaryType;this.socket=wsSocket;wsSocket.onopen=function(){self._onOpen()};wsSocket.onclose=function(event){self._onClose(event.code,event.reason)};wsSocket.onmessage=function(message,flags){self._onMessage(message.data)};wsSocket.onerror=function(error){if(self.state===self.CONNECTING){self._onClose(1006)}}};SCTransport.prototype._onOpen=function(){var self=this;this._resetPingTimeout();this._handshake(function(err,status){if(err){self._onError(err);self._onClose(4003);self.socket.close(4003)}else{self.state=self.OPEN;SCEmitter.prototype.emit.call(self,"open",status);self._resetPingTimeout()}})};SCTransport.prototype._handshake=function(callback){var self=this;this.auth.loadToken(this.options.authTokenName,function(err,token){if(err){callback(err)}else{var options={force:true};self.emit("#handshake",{authToken:token},options,callback)}})};SCTransport.prototype._onClose=function(code,data){delete this.socket.onopen;delete this.socket.onclose;delete this.socket.onmessage;delete this.socket.onerror;if(this.state==this.OPEN){this.state=this.CLOSED;SCEmitter.prototype.emit.call(this,"close",code,data)}else if(this.state==this.CONNECTING){this.state=this.CLOSED;SCEmitter.prototype.emit.call(this,"openAbort",code,data)}};SCTransport.prototype._onMessage=function(message){SCEmitter.prototype.emit.call(this,"event","message",message);if(message=="1"){this._resetPingTimeout();if(this.socket.readyState==this.socket.OPEN){this.socket.send("2")}}else{var obj;try{obj=this.parse(message)}catch(err){obj=message}var event=obj.event;if(event){var response=new Response(this,obj.cid);SCEmitter.prototype.emit.call(this,"event",event,obj.data,response)}else if(obj.rid!=null){var eventObject=this._callbackMap[obj.rid];if(eventObject){clearTimeout(eventObject.timeout);delete this._callbackMap[obj.rid];if(eventObject.callback){eventObject.callback(obj.error,obj.data)}}if(obj.error){this._onError(obj.error)}}else{SCEmitter.prototype.emit.call(this,"event","raw",obj)}}};SCTransport.prototype._onError=function(err){SCEmitter.prototype.emit.call(this,"error",err)};SCTransport.prototype._resetPingTimeout=function(){var self=this;var now=(new Date).getTime();clearTimeout(this._pingTimeoutTicker);this._pingTimeoutTicker=setTimeout(function(){self._onClose(4e3);self.socket.close(4e3)},this.pingTimeout)};SCTransport.prototype.getBytesReceived=function(){return this.socket.bytesReceived};SCTransport.prototype.close=function(code,data){code=code||1e3;if(this.state==this.OPEN){var packet={code:code,data:data};this.emit("#disconnect",packet);this._onClose(code,data);this.socket.close(code)}else if(this.state==this.CONNECTING){this._onClose(code,data);this.socket.close(code)}};SCTransport.prototype.emitRaw=function(eventObject){eventObject.cid=this.callIdGenerator();if(eventObject.callback){this._callbackMap[eventObject.cid]=eventObject}var simpleEventObject={event:eventObject.event,data:eventObject.data,cid:eventObject.cid};this.sendObject(simpleEventObject);return eventObject.cid};SCTransport.prototype._handleEventAckTimeout=function(eventObject){var errorMessage="Event response for '"+eventObject.event+"' timed out";var error=new Error(errorMessage);error.type="timeout";if(eventObject.cid){delete this._callbackMap[eventObject.cid]}var callback=eventObject.callback;delete eventObject.callback;callback.call(eventObject,error,eventObject);this._onError(error)};SCTransport.prototype.emit=function(event,data,a,b){var self=this;var callback,options;if(b){options=a;callback=b}else{if(a instanceof Function){options={};callback=a}else{options=a}}var eventObject={event:event,data:data,callback:callback};if(callback&&!options.noTimeout){eventObject.timeout=setTimeout(function(){self._handleEventAckTimeout(eventObject)},this.options.ackTimeout)}var cid=null;if(this.state==this.OPEN||options.force){cid=this.emitRaw(eventObject)}return cid};SCTransport.prototype.cancelPendingResponse=function(cid){delete this._callbackMap[cid]};SCTransport.prototype.parse=function(message){return formatter.parse(message)};SCTransport.prototype.stringify=function(object){return formatter.stringify(object)};SCTransport.prototype.send=function(data){if(this.socket.readyState!=this.socket.OPEN){this._onClose(1005)}else{this.socket.send(data)}};SCTransport.prototype.sendObject=function(object){var str,formatError;try{str=this.stringify(object)}catch(err){formatError=err;this._onError(formatError)}if(!formatError){this.send(str)}};module.exports.SCTransport=SCTransport},{"./response":4,querystring:18,"sc-emitter":11,"sc-formatter":14,"sc-ws":15}],7:[function(require,module,exports){"use strict";var errorMessage;errorMessage="An argument without append, prepend, "+"or detach methods was given to `List";function List(){if(arguments.length){return List.from(arguments)}}var ListPrototype;ListPrototype=List.prototype;List.of=function(){return List.from.call(this,arguments)};List.from=function(items){var list=new this,length,iterator,item;if(items&&(length=items.length)){iterator=-1;while(++iterator<length){item=items[iterator];if(item!==null&&item!==undefined){list.append(item)}}}return list};ListPrototype.head=null;ListPrototype.tail=null;ListPrototype.toArray=function(){var item=this.head,result=[];while(item){result.push(item);item=item.next}return result};ListPrototype.prepend=function(item){if(!item){return false}if(!item.append||!item.prepend||!item.detach){throw new Error(errorMessage+"#prepend`.")}var self,head;self=this;head=self.head;if(head){return head.prepend(item)}item.detach();item.list=self;self.head=item;return item};ListPrototype.append=function(item){if(!item){return false}if(!item.append||!item.prepend||!item.detach){throw new Error(errorMessage+"#append`.")}var self,head,tail;self=this;tail=self.tail;if(tail){return tail.append(item)}head=self.head;if(head){return head.append(item)}item.detach();item.list=self;self.head=item;return item};function ListItem(){}List.Item=ListItem;var ListItemPrototype=ListItem.prototype;ListItemPrototype.next=null;ListItemPrototype.prev=null;ListItemPrototype.list=null;ListItemPrototype.detach=function(){var self=this,list=self.list,prev=self.prev,next=self.next;if(!list){return self}if(list.tail===self){list.tail=prev}if(list.head===self){list.head=next}if(list.tail===list.head){list.tail=null}if(prev){prev.next=next}if(next){next.prev=prev}self.prev=self.next=self.list=null;return self};ListItemPrototype.prepend=function(item){if(!item||!item.append||!item.prepend||!item.detach){throw new Error(errorMessage+"Item#prepend`.")}var self=this,list=self.list,prev=self.prev;if(!list){return false}item.detach();if(prev){item.prev=prev;prev.next=item}item.next=self;item.list=list;self.prev=item;if(self===list.head){list.head=item}if(!list.tail){list.tail=self}return item};ListItemPrototype.append=function(item){if(!item||!item.append||!item.prepend||!item.detach){throw new Error(errorMessage+"Item#append`.")}var self=this,list=self.list,next=self.next;if(!list){return false}item.detach();if(next){item.next=next;next.prev=item}item.prev=self;item.list=list;self.next=item;if(self===list.tail||!list.tail){list.tail=item}return item};module.exports=List},{}],8:[function(require,module,exports){"use strict";module.exports=require("./_source/linked-list.js")},{"./_source/linked-list.js":7}],9:[function(require,module,exports){var SCEmitter=require("sc-emitter").SCEmitter;if(!Object.create){Object.create=require("./objectcreate")}var SCChannel=function(name,client){var self=this;SCEmitter.call(this);this.PENDING="pending";this.SUBSCRIBED="subscribed";this.UNSUBSCRIBED="unsubscribed";this.name=name;this.state=this.UNSUBSCRIBED;this.client=client};SCChannel.prototype=Object.create(SCEmitter.prototype);SCChannel.prototype.getState=function(){return this.state};SCChannel.prototype.subscribe=function(){this.client.subscribe(this.name)};SCChannel.prototype.unsubscribe=function(){this.client.unsubscribe(this.name)};SCChannel.prototype.isSubscribed=function(includePending){return this.client.isSubscribed(this.name,includePending)};SCChannel.prototype.publish=function(data,callback){this.client.publish(this.name,data,callback)};SCChannel.prototype.watch=function(handler){this.client.watch(this.name,handler)};SCChannel.prototype.unwatch=function(handler){this.client.unwatch(this.name,handler)};SCChannel.prototype.watchers=function(){return this.client.watchers(this.name)};SCChannel.prototype.destroy=function(){this.client.destroyChannel(this.name)};module.exports.SCChannel=SCChannel},{"./objectcreate":10,"sc-emitter":11}],10:[function(require,module,exports){arguments[4][3][0].apply(exports,arguments)},{dup:3}],11:[function(require,module,exports){var Emitter=require("component-emitter");if(!Object.create){Object.create=require("./objectcreate")}var SCEmitter=function(){Emitter.call(this)};SCEmitter.prototype=Object.create(Emitter.prototype);SCEmitter.prototype.emit=function(event){if(event=="error"&&this.domain){var err=arguments[1];if(!err){err=new Error('Uncaught, unspecified "error" event.')}err.domainEmitter=this;err.domain=this.domain;err.domainThrown=false;this.domain.emit("error",err)}Emitter.prototype.emit.apply(this,arguments)};module.exports.SCEmitter=SCEmitter},{"./objectcreate":13,"component-emitter":12}],12:[function(require,module,exports){module.exports=Emitter;function Emitter(obj){if(obj)return mixin(obj)}function mixin(obj){for(var key in Emitter.prototype){obj[key]=Emitter.prototype[key]}return obj}Emitter.prototype.on=Emitter.prototype.addEventListener=function(event,fn){this._callbacks=this._callbacks||{};(this._callbacks["$"+event]=this._callbacks["$"+event]||[]).push(fn);return this};Emitter.prototype.once=function(event,fn){function on(){this.off(event,on);fn.apply(this,arguments)}on.fn=fn;this.on(event,on);return this};Emitter.prototype.off=Emitter.prototype.removeListener=Emitter.prototype.removeAllListeners=Emitter.prototype.removeEventListener=function(event,fn){this._callbacks=this._callbacks||{};if(0==arguments.length){this._callbacks={};return this}var callbacks=this._callbacks["$"+event];if(!callbacks)return this;if(1==arguments.length){delete this._callbacks["$"+event];return this}var cb;for(var i=0;i<callbacks.length;i++){cb=callbacks[i];if(cb===fn||cb.fn===fn){callbacks.splice(i,1);break}}return this};Emitter.prototype.emit=function(event){this._callbacks=this._callbacks||{};var args=[].slice.call(arguments,1),callbacks=this._callbacks["$"+event];if(callbacks){callbacks=callbacks.slice(0);for(var i=0,len=callbacks.length;i<len;++i){callbacks[i].apply(this,args)}}return this};Emitter.prototype.listeners=function(event){this._callbacks=this._callbacks||{};return this._callbacks["$"+event]||[]};Emitter.prototype.hasListeners=function(event){return!!this.listeners(event).length}},{}],13:[function(require,module,exports){arguments[4][3][0].apply(exports,arguments)},{dup:3}],14:[function(require,module,exports){(function(global){var base64Chars="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";module.exports.parse=function(input){if(input==null){return null}var message=input.toString();try{return JSON.parse(message)}catch(err){}return message};var arrayBufferToBase64=function(arraybuffer){var bytes=new Uint8Array(arraybuffer);var len=bytes.length;var base64="";for(var i=0;i<len;i+=3){base64+=base64Chars[bytes[i]>>2];base64+=base64Chars[(bytes[i]&3)<<4|bytes[i+1]>>4];base64+=base64Chars[(bytes[i+1]&15)<<2|bytes[i+2]>>6];base64+=base64Chars[bytes[i+2]&63]}if(len%3===2){base64=base64.substring(0,base64.length-1)+"="}else if(len%3===1){base64=base64.substring(0,base64.length-2)+"=="}return base64};var isOwnDescendant=function(object,ancestors){for(var i in ancestors){if(ancestors.hasOwnProperty(i)){
if(ancestors[i]===object){return true}}}return false};var convertBuffersToBase64=function(object,ancestors){if(!ancestors){ancestors=[]}if(isOwnDescendant(object,ancestors)){throw new Error("Cannot traverse circular structure")}var newAncestors=ancestors.concat([object]);if(global.ArrayBuffer&&object instanceof global.ArrayBuffer){object={base64:true,data:arrayBufferToBase64(object)}}else if(global.Buffer&&object instanceof global.Buffer){object={base64:true,data:object.toString("base64")}}else if(object instanceof Array){for(var i in object){if(object.hasOwnProperty(i)){object[i]=convertBuffersToBase64(object[i],newAncestors)}}}else if(object instanceof Object){for(var j in object){if(object.hasOwnProperty(j)){object[j]=convertBuffersToBase64(object[j],newAncestors)}}}return object};module.exports.stringify=function(object){var base64Object=convertBuffersToBase64(object);return JSON.stringify(base64Object)}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],15:[function(require,module,exports){var global=function(){return this}();var WebSocket=global.WebSocket||global.MozWebSocket;module.exports=WebSocket?ws:null;function ws(uri,protocols,opts){var instance;if(protocols){instance=new WebSocket(uri,protocols)}else{instance=new WebSocket(uri)}return instance}if(WebSocket)ws.prototype=WebSocket.prototype},{}],16:[function(require,module,exports){"use strict";function hasOwnProperty(obj,prop){return Object.prototype.hasOwnProperty.call(obj,prop)}module.exports=function(qs,sep,eq,options){sep=sep||"&";eq=eq||"=";var obj={};if(typeof qs!=="string"||qs.length===0){return obj}var regexp=/\+/g;qs=qs.split(sep);var maxKeys=1e3;if(options&&typeof options.maxKeys==="number"){maxKeys=options.maxKeys}var len=qs.length;if(maxKeys>0&&len>maxKeys){len=maxKeys}for(var i=0;i<len;++i){var x=qs[i].replace(regexp,"%20"),idx=x.indexOf(eq),kstr,vstr,k,v;if(idx>=0){kstr=x.substr(0,idx);vstr=x.substr(idx+1)}else{kstr=x;vstr=""}k=decodeURIComponent(kstr);v=decodeURIComponent(vstr);if(!hasOwnProperty(obj,k)){obj[k]=v}else if(isArray(obj[k])){obj[k].push(v)}else{obj[k]=[obj[k],v]}}return obj};var isArray=Array.isArray||function(xs){return Object.prototype.toString.call(xs)==="[object Array]"}},{}],17:[function(require,module,exports){"use strict";var stringifyPrimitive=function(v){switch(typeof v){case"string":return v;case"boolean":return v?"true":"false";case"number":return isFinite(v)?v:"";default:return""}};module.exports=function(obj,sep,eq,name){sep=sep||"&";eq=eq||"=";if(obj===null){obj=undefined}if(typeof obj==="object"){return map(objectKeys(obj),function(k){var ks=encodeURIComponent(stringifyPrimitive(k))+eq;if(isArray(obj[k])){return map(obj[k],function(v){return ks+encodeURIComponent(stringifyPrimitive(v))}).join(sep)}else{return ks+encodeURIComponent(stringifyPrimitive(obj[k]))}}).join(sep)}if(!name)return"";return encodeURIComponent(stringifyPrimitive(name))+eq+encodeURIComponent(stringifyPrimitive(obj))};var isArray=Array.isArray||function(xs){return Object.prototype.toString.call(xs)==="[object Array]"};function map(xs,f){if(xs.map)return xs.map(f);var res=[];for(var i=0;i<xs.length;i++){res.push(f(xs[i],i))}return res}var objectKeys=Object.keys||function(obj){var res=[];for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))res.push(key)}return res}},{}],18:[function(require,module,exports){"use strict";exports.decode=exports.parse=require("./decode");exports.encode=exports.stringify=require("./encode")},{"./decode":16,"./encode":17}]},{},[1])(1)});