latest-v2.js

!function(e){if("function"==typeof bootstrap)bootstrap("simplewebrtc",e);else if("object"==typeof exports)module.exports=e();else if("function"==typeof define&&define.amd)define(e);else if("undefined"!=typeof ses){if(!ses.ok())return;ses.makeSimpleWebRTC=e}else"undefined"!=typeof window?window.SimpleWebRTC=e():global.SimpleWebRTC=e()}(function(){var e;return function(e,t,n){function r(n,i){if(!t[n]){if(!e[n]){var a="function"==typeof require&&require;if(!i&&a)return a(n,!0);if(o)return o(n,!0);throw new Error("Cannot find module '"+n+"'")}var s=t[n]={exports:{}};e[n][0].call(s.exports,function(t){var o=e[n][1][t];return r(o?o:t)},s,s.exports)}return t[n].exports}for(var o="function"==typeof require&&require,i=0;i<n.length;i++)r(n[i]);return r}({1:[function(e,t){function n(e){var 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t=document.createElement("video"),n=u.getRemoteVideoContainer();t.oncontextmenu=function(){return!1},t.id="localScreen",a(e,t),n&&n.appendChild(t),u.emit("localScreenAdded",t),u.connection.emit("shareScreen"),u.webrtc.peers.forEach(function(e){var t;"video"===e.type&&(t=u.webrtc.createPeer({id:e.id,type:"screen",sharemyscreen:!0,enableDataChannels:!1,receiveMedia:{offerToReceiveAudio:0,offerToReceiveVideo:0},broadcaster:u.connection.getSessionid()}),u.emit("createdPeer",t),t.start())})}),this.webrtc.on("localScreenStopped",function(){u.stopScreenShare()}),this.webrtc.on("channelMessage",function(e,t,n){"volume"==n.type&&u.emit("remoteVolumeChange",e,n.volume)}),this.config.autoRequestMedia&&this.startLocalVideo()}var r=e("./webrtc"),o=e("wildemitter"),i=e("webrtcsupport"),a=e("attachmediastream"),s=e("mockconsole"),c=e("./socketioconnection");n.prototype=Object.create(o.prototype,{constructor:{value:n}}),n.prototype.leaveRoom=function(){if(this.roomName){for(this.connection.emit("leave");this.webrtc.peers.length;)this.webrtc.peers.shift().end();this.getLocalScreen()&&this.stopScreenShare(),this.emit("leftRoom",this.roomName),this.roomName=void 0}},n.prototype.disconnect=function(){this.connection.disconnect(),delete this.connection},n.prototype.handlePeerStreamAdded=function(e){var t=this,n=this.getRemoteVideoContainer(),r=a(e.stream);e.videoEl=r,r.id=this.getDomId(e),n&&n.appendChild(r),this.emit("videoAdded",r,e),window.setTimeout(function(){t.webrtc.isAudioEnabled()||e.send("mute",{name:"audio"}),t.webrtc.isVideoEnabled()||e.send("mute",{name:"video"})},250)},n.prototype.handlePeerStreamRemoved=function(e){var t=this.getRemoteVideoContainer(),n=e.videoEl;this.config.autoRemoveVideos&&t&&n&&t.removeChild(n),n&&this.emit("videoRemoved",n,e)},n.prototype.getDomId=function(e){return[e.id,e.type,e.broadcaster?"broadcasting":"incoming"].join("_")},n.prototype.setVolumeForAll=function(e){this.webrtc.peers.forEach(function(t){t.videoEl&&(t.videoEl.volume=e)})},n.prototype.joinRoom=function(e,t){var n=this;this.roomName=e,this.connection.emit("join",e,function(r,o){if(console.log("join CB",r,o),r)n.emit("error",r);else{var i,a,s,c;for(i in o.clients){a=o.clients[i];for(s in a)a[s]&&(c=n.webrtc.createPeer({id:i,type:s,enableDataChannels:n.config.enableDataChannels&&"screen"!==s,receiveMedia:{offerToReceiveAudio:"screen"!==s&&n.config.receiveMedia.offerToReceiveAudio?1:0,offerToReceiveVideo:n.config.receiveMedia.offerToReceiveVideo}}),n.emit("createdPeer",c),c.start())}}t&&t(r,o),n.emit("joinedRoom",e)})},n.prototype.getEl=function(e){return"string"==typeof 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r&&r.length>=n&&parseInt(r[n])}};if("object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return"mozSrcObject"in this?this.mozSrcObject:this._srcObject},set:function(e){"mozSrcObject"in this?this.mozSrcObject=e:(this._srcObject=e,this.src=URL.createObjectURL(e))}}),o=window.navigator&&window.navigator.getUserMedia),i=function(e,t){e.srcObject=t},a=function(e,t){e.srcObject=t.srcObject},"undefined"!=typeof window&&window.navigator)if(navigator.mozGetUserMedia&&window.mozRTCPeerConnection){if(p.log("This appears to be Firefox"),s="firefox",c=p.extractVersion(navigator.userAgent,/Firefox\/([0-9]+)\./,1),u=31,window.RTCPeerConnection=function(e,t){if(38>c&&e&&e.iceServers){for(var n=[],r=0;r<e.iceServers.length;r++){var o=e.iceServers[r];if(o.hasOwnProperty("urls"))for(var i=0;i<o.urls.length;i++){var 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"+JSON.stringify(e)),e.audio&&(e.audio=r(e.audio)),e.video&&(e.video=r(e.video)),p.log("ff37: "+JSON.stringify(e))),navigator.mozGetUserMedia(e,t,n)},navigator.getUserMedia=o,navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:r,addEventListener:function(){},removeEventListener:function(){}}),navigator.mediaDevices.enumerateDevices=navigator.mediaDevices.enumerateDevices||function(){return new Promise(function(e){var t=[{kind:"audioinput",deviceId:"default",label:"",groupId:""},{kind:"videoinput",deviceId:"default",label:"",groupId:""}];e(t)})},41>c){var d=navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);navigator.mediaDevices.enumerateDevices=function(){return d().then(void 0,function(e){if("NotFoundError"===e.name)return[];throw e})}}}else if(navigator.webkitGetUserMedia&&window.webkitRTCPeerConnection){p.log("This appears to be Chrome"),s="chrome",c=p.extractVersion(navigator.userAgent,/Chrom(e|ium)\/([0-9]+)\./,2),u=38,window.RTCPeerConnection=function(e,t){e&&e.iceTransportPolicy&&(e.iceTransports=e.iceTransportPolicy);var n=new webkitRTCPeerConnection(e,t),r=n.getStats.bind(n);return n.getStats=function(e,t){var n=this,o=arguments;if(arguments.length>0&&"function"==typeof e)return r(e,t);var i=function(e){var t={},n=e.result();return n.forEach(function(e){var n={id:e.id,timestamp:e.timestamp,type:e.type};e.names().forEach(function(t){n[t]=e.stat(t)}),t[n.id]=n}),t};if(arguments.length>=2){var a=function(e){o[1](i(e))};return r.apply(this,[a,arguments[0]])}return new Promise(function(t,a){1===o.length&&null===e?r.apply(n,[function(e){t.apply(null,[i(e)])},a]):r.apply(n,[t,a])})},n},["createOffer","createAnswer"].forEach(function(e){var t=webkitRTCPeerConnection.prototype[e];webkitRTCPeerConnection.prototype[e]=function(){var e=this;if(arguments.length<1||1===arguments.length&&"object"==typeof arguments[0]){var n=1===arguments.length?arguments[0]:void 0;return new Promise(function(r,o){t.apply(e,[r,o,n])})}return t.apply(this,arguments)}}),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(e){var t=webkitRTCPeerConnection.prototype[e];webkitRTCPeerConnection.prototype[e]=function(){var e=arguments,n=this;return new Promise(function(r,o){t.apply(n,[e[0],function(){r(),e.length>=2&&e[1].apply(null,[])},function(t){o(t),e.length>=3&&e[2].apply(null,[t])}])})}});var f=function(e){if("object"!=typeof e||e.mandatory||e.optional)return e;var t={};return Object.keys(e).forEach(function(n){if("require"!==n&&"advanced"!==n&&"mediaSource"!==n){var r="object"==typeof e[n]?e[n]:{ideal:e[n]};void 0!==r.exact&&"number"==typeof r.exact&&(r.min=r.max=r.exact);var o=function(e,t){return e?e+t.charAt(0).toUpperCase()+t.slice(1):"deviceId"===t?"sourceId":t};if(void 0!==r.ideal){t.optional=t.optional||[];var i={};"number"==typeof r.ideal?(i[o("min",n)]=r.ideal,t.optional.push(i),i={},i[o("max",n)]=r.ideal,t.optional.push(i)):(i[o("",n)]=r.ideal,t.optional.push(i))}void 0!==r.exact&&"number"!=typeof r.exact?(t.mandatory=t.mandatory||{},t.mandatory[o("",n)]=r.exact):["min","max"].forEach(function(e){void 0!==r[e]&&(t.mandatory=t.mandatory||{},t.mandatory[o(e,n)]=r[e])})}}),e.advanced&&(t.optional=(t.optional||[]).concat(e.advanced)),t};if(o=function(e,t,n){return e.audio&&(e.audio=f(e.audio)),e.video&&(e.video=f(e.video)),p.log("chrome: "+JSON.stringify(e)),navigator.webkitGetUserMedia(e,t,n)},navigator.getUserMedia=o,navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:r,enumerateDevices:function(){return new Promise(function(e){var t={audio:"audioinput",video:"videoinput"};return MediaStreamTrack.getSources(function(n){e(n.map(function(e){return{label:e.label,kind:t[e.kind],deviceId:e.id,groupId:""}}))})})}}),navigator.mediaDevices.getUserMedia){var l=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(e){return p.log("spec:   "+JSON.stringify(e)),e.audio=f(e.audio),e.video=f(e.video),p.log("chrome: "+JSON.stringify(e)),l(e)}}else navigator.mediaDevices.getUserMedia=function(e){return r(e)};"undefined"==typeof navigator.mediaDevices.addEventListener&&(navigator.mediaDevices.addEventListener=function(){p.log("Dummy mediaDevices.addEventListener called.")}),"undefined"==typeof navigator.mediaDevices.removeEventListener&&(navigator.mediaDevices.removeEventListener=function(){p.log("Dummy mediaDevices.removeEventListener called.")}),i=function(e,t){c>=43?e.srcObject=t:"undefined"!=typeof e.src?e.src=URL.createObjectURL(t):p.log("Error attaching stream to element.")},a=function(e,t){c>=43?e.srcObject=t.srcObject:e.src=t.src}}else navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)?(p.log("This appears to be Edge"),s="edge",c=p.extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2),u=12):p.log("Browser does not appear to be WebRTC-capable");else p.log("This does not appear to be a browser"),s="not a browser";var h={};try{Object.defineProperty(h,"version",{set:function(e){c=e}})}catch(g){}if("undefined"!=typeof n){var m;"undefined"!=typeof window&&(m=window.RTCPeerConnection),n.exports={RTCPeerConnection:m,getUserMedia:o,attachMediaStream:i,reattachMediaStream:a,webrtcDetectedBrowser:s,webrtcDetectedVersion:c,webrtcMinimumVersion:u,webrtcTesting:h,webrtcUtils:p}}else"function"==typeof t&&"function"==typeof e&&e([],function(){return{RTCPeerConnection:window.RTCPeerConnection,getUserMedia:o,attachMediaStream:i,reattachMediaStream:a,webrtcDetectedBrowser:s,webrtcDetectedVersion:c,webrtcMinimumVersion:u,webrtcTesting:h,webrtcUtils:p}})},{}],14:[function(e,t){var n=t.exports={};n.nextTick=function(){var e="undefined"!=typeof window&&window.setImmediate,t="undefined"!=typeof window&&window.postMessage&&window.addEventListener;if(e)return function(e){return window.setImmediate(e)};if(t){var n=[];return window.addEventListener("message",function(e){var t=e.source;if((t===window||null===t)&&"process-tick"===e.data&&(e.stopPropagation(),n.length>0)){var r=n.shift();r()}},!0),function(e){n.push(e),window.postMessage("process-tick","*")}}return function(e){setTimeout(e,0)}}(),n.title="browser",n.browser=!0,n.env={},n.argv=[],n.binding=function(){throw new Error("process.binding is not supported")},n.cwd=function(){return"/"},n.chdir=function(){throw new Error("process.chdir is not supported")}},{}],12:[function(e,t,n){function r(e,t){if(e.indexOf)return e.indexOf(t);for(var n=0;n<e.length;n++)if(t===e[n])return n;return-1}var o=e("__browserify_process");o.EventEmitter||(o.EventEmitter=function(){});var i=n.EventEmitter=o.EventEmitter,a="function"==typeof Array.isArray?Array.isArray:function(e){return"[object Array]"===Object.prototype.toString.call(e)},s=10;i.prototype.setMaxListeners=function(e){this._events||(this._events={}),this._events.maxListeners=e},i.prototype.emit=function(e){if("error"===e&&(!this._events||!this._events.error||a(this._events.error)&&!this._events.error.length))throw arguments[1]instanceof Error?arguments[1]:new Error("Uncaught, unspecified 'error' event.");if(!this._events)return!1;var t=this._events[e];if(!t)return!1;if("function"==typeof t){switch(arguments.length){case 1:t.call(this);break;case 2:t.call(this,arguments[1]);break;case 3:t.call(this,arguments[1],arguments[2]);break;default:var n=Array.prototype.slice.call(arguments,1);t.apply(this,n)}return!0}if(a(t)){for(var n=Array.prototype.slice.call(arguments,1),r=t.slice(),o=0,i=r.length;i>o;o++)r[o].apply(this,n);return!0}return!1},i.prototype.addListener=function(e,t){if("function"!=typeof t)throw new Error("addListener only takes instances of Function");if(this._events||(this._events={}),this.emit("newListener",e,t),this._events[e])if(a(this._events[e])){if(!this._events[e].warned){var n;n=void 0!==this._events.maxListeners?this._events.maxListeners:s,n&&n>0&&this._events[e].length>n&&(this._events[e].warned=!0,console.error("(node) warning: possible EventEmitter memory leak detected. %d listeners added. Use emitter.setMaxListeners() to increase limit.",this._events[e].length),console.trace())}this._events[e].push(t)}else this._events[e]=[this._events[e],t];else this._events[e]=t;return this},i.prototype.on=i.prototype.addListener,i.prototype.once=function(e,t){var n=this;return n.on(e,function r(){n.removeListener(e,r),t.apply(this,arguments)}),this},i.prototype.removeListener=function(e,t){if("function"!=typeof t)throw new Error("removeListener only takes instances of Function");if(!this._events||!this._events[e])return this;var n=this._events[e];if(a(n)){var o=r(n,t);if(0>o)return this;n.splice(o,1),0==n.length&&delete this._events[e]}else this._events[e]===t&&delete this._events[e];return this},i.prototype.removeAllListeners=function(e){return 0===arguments.length?(this._events={},this):(e&&this._events&&this._events[e]&&(this._events[e]=null),this)},i.prototype.listeners=function(e){return this._events||(this._events={}),this._events[e]||(this._events[e]=[]),a(this._events[e])||(this._events[e]=[this._events[e]]),this._events[e]},i.listenerCount=function(e,t){var n;return n=e._events&&e._events[t]?"function"==typeof e._events[t]?1:e._events[t].length:0}},{__browserify_process:14}],9:[function(e,t){function n(e){var t=this;a.call(this),this.id=e.id,this.parent=e.parent,this.type=e.type||"video",this.oneway=e.oneway||!1,this.sharemyscreen=e.sharemyscreen||!1,this.browserPrefix=e.prefix,this.stream=e.stream,this.enableDataChannels=void 0===e.enableDataChannels?this.parent.config.enableDataChannels:e.enableDataChannels,this.receiveMedia=e.receiveMedia||this.parent.config.receiveMedia,this.channels={},this.sid=e.sid||Date.now().toString(),this.pc=new i(this.parent.config.peerConnectionConfig,this.parent.config.peerConnectionConstraints),this.pc.on("ice",this.onIceCandidate.bind(this)),this.pc.on("endOfCandidates",function(e){t.send("endOfCandidates",e)}),this.pc.on("offer",function(e){t.parent.config.nick&&(e.nick=t.parent.config.nick),t.send("offer",e)}),this.pc.on("answer",function(e){t.parent.config.nick&&(e.nick=t.parent.config.nick),t.send("answer",e)}),this.pc.on("addStream",this.handleRemoteStreamAdded.bind(this)),this.pc.on("addChannel",this.handleDataChannelAdded.bind(this)),this.pc.on("removeStream",this.handleStreamRemoved.bind(this)),this.pc.on("negotiationNeeded",this.emit.bind(this,"negotiationNeeded")),this.pc.on("iceConnectionStateChange",this.emit.bind(this,"iceConnectionStateChange")),this.pc.on("iceConnectionStateChange",function(){switch(t.pc.iceConnectionState){case"failed":"offer"===t.pc.pc.peerconnection.localDescription.type&&(t.parent.emit("iceFailed",t),t.send("connectivityError"))}}),this.pc.on("signalingStateChange",this.emit.bind(this,"signalingStateChange")),this.logger=this.parent.logger,"screen"===e.type?this.parent.localScreen&&this.sharemyscreen&&(this.logger.log("adding local screen stream to peer connection"),this.pc.addStream(this.parent.localScreen),this.broadcaster=e.broadcaster):this.parent.localStreams.forEach(function(e){t.pc.addStream(e)}),this.on("channelOpen",function(e){e.protocol===c&&(e.onmessage=function(n){var r=JSON.parse(n.data),o=new s.Receiver;o.receive(r,e),t.emit("fileTransfer",r,o),o.on("receivedFile",function(){o.channel.close()})})}),this.on("*",function(){t.parent.emit.apply(t.parent,arguments)})}var r=e("util"),o=e("webrtcsupport"),i=e("rtcpeerconnection"),a=e("wildemitter"),s=e("filetransfer"),c="https://simplewebrtc.com/protocol/filetransfer#inband-v1";r.inherits(n,a),n.prototype.handleMessage=function(e){var t=this;if(this.logger.log("getting",e.type,e),e.prefix&&(this.browserPrefix=e.prefix),"offer"===e.type)this.nick||(this.nick=e.payload.nick),delete e.payload.nick,this.pc.handleOffer(e.payload,function(e){e||t.pc.answer(function(){})
});else if("answer"===e.type)this.nick||(this.nick=e.payload.nick),delete e.payload.nick,this.pc.handleAnswer(e.payload);else if("candidate"===e.type)this.pc.processIce(e.payload);else if("connectivityError"===e.type)this.parent.emit("connectivityError",t);else if("mute"===e.type)this.parent.emit("mute",{id:e.from,name:e.payload.name});else if("unmute"===e.type)this.parent.emit("unmute",{id:e.from,name:e.payload.name});else if("endOfCandidates"===e.type){var n=this.pc.pc.peerconnection.transceivers||[];n.forEach(function(e){e.iceTransport&&e.iceTransport.addRemoteCandidate({})})}},n.prototype.send=function(e,t){var n={to:this.id,sid:this.sid,broadcaster:this.broadcaster,roomType:this.type,type:e,payload:t,prefix:o.prefix};this.logger.log("sending",e,n),this.parent.emit("message",n)},n.prototype.sendDirectly=function(e,t,n){var r={type:t,payload:n};this.logger.log("sending via datachannel",e,t,r);var o=this.getDataChannel(e);return"open"!=o.readyState?!1:(o.send(JSON.stringify(r)),!0)},n.prototype._observeDataChannel=function(e){var t=this;e.onclose=this.emit.bind(this,"channelClose",e),e.onerror=this.emit.bind(this,"channelError",e),e.onmessage=function(n){t.emit("channelMessage",t,e.label,JSON.parse(n.data),e,n)},e.onopen=this.emit.bind(this,"channelOpen",e)},n.prototype.getDataChannel=function(e,t){if(!o.supportDataChannel)return this.emit("error",new Error("createDataChannel not supported"));var n=this.channels[e];return t||(t={}),n?n:(n=this.channels[e]=this.pc.createDataChannel(e,t),this._observeDataChannel(n),n)},n.prototype.onIceCandidate=function(e){if(!this.closed)if(e){var t=this.parent.config.peerConnectionConfig;"moz"===o.prefix&&t&&t.iceTransports&&e.candidate&&e.candidate.candidate&&e.candidate.candidate.indexOf(t.iceTransports)<0?this.logger.log("Ignoring ice candidate not matching pcConfig iceTransports type: ",t.iceTransports):this.send("candidate",e)}else this.logger.log("End of candidates.")},n.prototype.start=function(){this.enableDataChannels&&this.getDataChannel("simplewebrtc"),this.pc.offer(this.receiveMedia,function(){})},n.prototype.icerestart=function(){var e=this.receiveMedia;e.mandatory.IceRestart=!0,this.pc.offer(e,function(){})},n.prototype.end=function(){this.closed||(this.pc.close(),this.handleStreamRemoved())},n.prototype.handleRemoteStreamAdded=function(e){var t=this;this.stream?this.logger.warn("Already have a remote stream"):(this.stream=e.stream,this.stream.onended=function(){t.end()},this.parent.emit("peerStreamAdded",this))},n.prototype.handleStreamRemoved=function(){this.parent.peers.splice(this.parent.peers.indexOf(this),1),this.closed=!0,this.parent.emit("peerStreamRemoved",this)},n.prototype.handleDataChannelAdded=function(e){this.channels[e.label]=e,this._observeDataChannel(e)},n.prototype.sendFile=function(e){var t=new s.Sender,n=this.getDataChannel("filetransfer"+(new Date).getTime(),{protocol:c});return n.onopen=function(){n.send(JSON.stringify({size:e.size,name:e.name})),t.send(e,n)},n.onclose=function(){console.log("sender received transfer"),t.emit("complete")},t},t.exports=n},{filetransfer:16,rtcpeerconnection:15,util:8,webrtcsupport:4,wildemitter:5}],11:[function(e,t){t.exports=e("./lib/")},{"./lib/":17}],18:[function(e,t){var n,r;window.mozRTCPeerConnection||navigator.mozGetUserMedia?(n="moz",r=parseInt(navigator.userAgent.match(/Firefox\/([0-9]+)\./)[1],10)):(window.webkitRTCPeerConnection||navigator.webkitGetUserMedia)&&(n="webkit",r=navigator.userAgent.match(/Chrom(e|ium)/)&&parseInt(navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./)[2],10));var o=window.mozRTCPeerConnection||window.webkitRTCPeerConnection,i=window.mozRTCIceCandidate||window.RTCIceCandidate,a=window.mozRTCSessionDescription||window.RTCSessionDescription,s=window.webkitMediaStream||window.MediaStream,c="https:"===window.location.protocol&&("webkit"===n&&r>=26||"moz"===n&&r>=33),u=window.AudioContext||window.webkitAudioContext,p=document.createElement("video"),d=p&&p.canPlayType&&"probably"===p.canPlayType('video/webm; codecs="vp8", vorbis'),f=navigator.getUserMedia||navigator.webkitGetUserMedia||navigator.msGetUserMedia||navigator.mozGetUserMedia;t.exports={prefix:n,browserVersion:r,support:!!o&&d&&!!f,supportRTCPeerConnection:!!o,supportVp8:d,supportGetUserMedia:!!f,supportDataChannel:!!(o&&o.prototype&&o.prototype.createDataChannel),supportWebAudio:!(!u||!u.prototype.createMediaStreamSource),supportMediaStream:!(!s||!s.prototype.removeTrack),supportScreenSharing:!!c,dataChannel:!!(o&&o.prototype&&o.prototype.createDataChannel),webAudio:!(!u||!u.prototype.createMediaStreamSource),mediaStream:!(!s||!s.prototype.removeTrack),screenSharing:!!c,AudioContext:u,PeerConnection:o,SessionDescription:a,IceCandidate:i,MediaStream:s,getUserMedia:f}},{}],10:[function(e,t){function n(e){c.call(this);var t,n=this.config={autoAdjustMic:!1,detectSpeakingEvents:!1,audioFallback:!1,media:{audio:!0,video:!0},logger:p};for(t in e)this.config[t]=e[t];this.logger=n.logger,this._log=this.logger.log.bind(this.logger,"LocalMedia:"),this._logerror=this.logger.error.bind(this.logger,"LocalMedia:"),this.screenSharingSupport=i.screenSharing,this.localStreams=[],this.localScreens=[],i.support||this._logerror("Your browser does not support local media capture.")}var r=e("util"),o=e("hark"),i=e("webrtcsupport"),a=e("getusermedia"),s=e("getscreenmedia"),c=e("wildemitter"),u=e("mediastream-gain"),p=e("mockconsole");r.inherits(n,c),n.prototype.start=function(e,t){var n=this,r=e||this.config.media;a(r,function(e,o){if(e){if(n.config.audioFallback&&"DevicesNotFoundError"===e.name&&r.video!==!1)return r.video=!1,n.start(r,t),void 0}else r.audio&&n.config.detectSpeakingEvents&&n.setupAudioMonitor(o,n.config.harkOptions),n.localStreams.push(o),n.config.autoAdjustMic&&(n.gainController=new u(o),n.setMicIfEnabled(.5)),o.onended=function(){},n.emit("localStream",o);return t?t(e,o):void 0})},n.prototype.stop=function(e){var t=this;if(e){e.getTracks().forEach(function(e){e.stop()});var n=t.localStreams.indexOf(e);n>-1?(t.emit("localStreamStopped",e),t.localStreams=t.localStreams.splice(n,1)):(n=t.localScreens.indexOf(e),n>-1&&(t.emit("localScreenStopped",e),t.localScreens=t.localScreens.splice(n,1)))}else this.stopStreams(),this.stopScreenShare()},n.prototype.stopStreams=function(){var e=this;this.audioMonitor&&(this.audioMonitor.stop(),delete this.audioMonitor),this.localStreams.forEach(function(t){t.getTracks().forEach(function(e){e.stop()}),e.emit("localStreamStopped",t)}),this.localStreams=[]},n.prototype.startScreenShare=function(e){var t=this;s(function(n,r){return n||(t.localScreens.push(r),r.onended=function(){var e=t.localScreens.indexOf(r);e>-1&&t.localScreens.splice(e,1),t.emit("localScreenStopped",r)},t.emit("localScreen",r)),e?e(n,r):void 0})},n.prototype.stopScreenShare=function(e){var t=this;e?(e.getTracks().forEach(function(e){e.stop()}),this.emit("localScreenStopped",e)):(this.localScreens.forEach(function(e){e.getTracks().forEach(function(e){e.stop()}),t.emit("localScreenStopped",e)}),this.localScreens=[])},n.prototype.mute=function(){this._audioEnabled(!1),this.hardMuted=!0,this.emit("audioOff")},n.prototype.unmute=function(){this._audioEnabled(!0),this.hardMuted=!1,this.emit("audioOn")},n.prototype.setupAudioMonitor=function(e,t){this._log("Setup audio");var n,r=this.audioMonitor=o(e,t),i=this;r.on("speaking",function(){i.emit("speaking"),i.hardMuted||i.setMicIfEnabled(1)}),r.on("stopped_speaking",function(){n&&clearTimeout(n),n=setTimeout(function(){i.emit("stoppedSpeaking"),i.hardMuted||i.setMicIfEnabled(.5)},1e3)}),r.on("volume_change",function(e,t){i.emit("volumeChange",e,t)})},n.prototype.setMicIfEnabled=function(e){this.config.autoAdjustMic&&this.gainController.setGain(e)},n.prototype.pauseVideo=function(){this._videoEnabled(!1),this.emit("videoOff")},n.prototype.resumeVideo=function(){this._videoEnabled(!0),this.emit("videoOn")},n.prototype.pause=function(){this.mute(),this.pauseVideo()},n.prototype.resume=function(){this.unmute(),this.resumeVideo()},n.prototype._audioEnabled=function(e){this.setMicIfEnabled(e?1:0),this.localStreams.forEach(function(t){t.getAudioTracks().forEach(function(t){t.enabled=!!e})})},n.prototype._videoEnabled=function(e){this.localStreams.forEach(function(t){t.getVideoTracks().forEach(function(t){t.enabled=!!e})})},n.prototype.isAudioEnabled=function(){var e=!0;return this.localStreams.forEach(function(t){t.getAudioTracks().forEach(function(t){e=e&&t.enabled})}),e},n.prototype.isVideoEnabled=function(){var e=!0;return this.localStreams.forEach(function(t){t.getVideoTracks().forEach(function(t){e=e&&t.enabled})}),e},n.prototype.startLocalMedia=n.prototype.start,n.prototype.stopLocalMedia=n.prototype.stop,Object.defineProperty(n.prototype,"localStream",{get:function(){return this.localStreams.length>0?this.localStreams[0]:null}}),Object.defineProperty(n.prototype,"localScreen",{get:function(){return this.localScreens.length>0?this.localScreens[0]:null}}),t.exports=n},{getscreenmedia:20,getusermedia:21,hark:19,"mediastream-gain":22,mockconsole:7,util:8,webrtcsupport:18,wildemitter:5}],23:[function(t,n){"use strict";function r(e){return new Promise(function(t,n){o(e,t,n)})}var o=null,i=null,a=null,s=null,c=null,u=null,p={log:function(){"undefined"!=typeof n||"function"==typeof t&&"function"==typeof e||console.log.apply(console,arguments)},extractVersion:function(e,t,n){var r=e.match(t);return r&&r.length>=n&&parseInt(r[n])}};if("object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return"mozSrcObject"in this?this.mozSrcObject:this._srcObject},set:function(e){"mozSrcObject"in this?this.mozSrcObject=e:(this._srcObject=e,this.src=URL.createObjectURL(e))}}),o=window.navigator&&window.navigator.getUserMedia),i=function(e,t){e.srcObject=t},a=function(e,t){e.srcObject=t.srcObject},"undefined"!=typeof window&&window.navigator)if(navigator.mozGetUserMedia&&window.mozRTCPeerConnection){if(p.log("This appears to be Firefox"),s="firefox",c=p.extractVersion(navigator.userAgent,/Firefox\/([0-9]+)\./,1),u=31,window.RTCPeerConnection=function(e,t){if(38>c&&e&&e.iceServers){for(var n=[],r=0;r<e.iceServers.length;r++){var o=e.iceServers[r];if(o.hasOwnProperty("urls"))for(var i=0;i<o.urls.length;i++){var a={url:o.urls[i]};0===o.urls[i].indexOf("turn")&&(a.username=o.username,a.credential=o.credential),n.push(a)}else n.push(e.iceServers[r])}e.iceServers=n}return new mozRTCPeerConnection(e,t)},window.RTCSessionDescription||(window.RTCSessionDescription=mozRTCSessionDescription),window.RTCIceCandidate||(window.RTCIceCandidate=mozRTCIceCandidate),o=function(e,t,n){var r=function(e){if("object"!=typeof e||e.require)return e;var t=[];return Object.keys(e).forEach(function(n){if("require"!==n&&"advanced"!==n&&"mediaSource"!==n){var r=e[n]="object"==typeof e[n]?e[n]:{ideal:e[n]};if((void 0!==r.min||void 0!==r.max||void 0!==r.exact)&&t.push(n),void 0!==r.exact&&("number"==typeof r.exact?r.min=r.max=r.exact:e[n]=r.exact,delete r.exact),void 0!==r.ideal){e.advanced=e.advanced||[];var o={};o[n]="number"==typeof r.ideal?{min:r.ideal,max:r.ideal}:r.ideal,e.advanced.push(o),delete r.ideal,Object.keys(r).length||delete e[n]}}}),t.length&&(e.require=t),e};return 38>c&&(p.log("spec: "+JSON.stringify(e)),e.audio&&(e.audio=r(e.audio)),e.video&&(e.video=r(e.video)),p.log("ff37: "+JSON.stringify(e))),navigator.mozGetUserMedia(e,t,n)},navigator.getUserMedia=o,navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:r,addEventListener:function(){},removeEventListener:function(){}}),navigator.mediaDevices.enumerateDevices=navigator.mediaDevices.enumerateDevices||function(){return new Promise(function(e){var t=[{kind:"audioinput",deviceId:"default",label:"",groupId:""},{kind:"videoinput",deviceId:"default",label:"",groupId:""}];e(t)})},41>c){var d=navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);navigator.mediaDevices.enumerateDevices=function(){return d().then(void 0,function(e){if("NotFoundError"===e.name)return[];throw e})}}}else if(navigator.webkitGetUserMedia&&window.webkitRTCPeerConnection){p.log("This appears to be Chrome"),s="chrome",c=p.extractVersion(navigator.userAgent,/Chrom(e|ium)\/([0-9]+)\./,2),u=38,window.RTCPeerConnection=function(e,t){e&&e.iceTransportPolicy&&(e.iceTransports=e.iceTransportPolicy);var n=new webkitRTCPeerConnection(e,t),r=n.getStats.bind(n);return n.getStats=function(e,t){var n=this,o=arguments;if(arguments.length>0&&"function"==typeof e)return r(e,t);var i=function(e){var t={},n=e.result();return n.forEach(function(e){var n={id:e.id,timestamp:e.timestamp,type:e.type};e.names().forEach(function(t){n[t]=e.stat(t)}),t[n.id]=n}),t};if(arguments.length>=2){var a=function(e){o[1](i(e))};return r.apply(this,[a,arguments[0]])}return new Promise(function(t,a){1===o.length&&null===e?r.apply(n,[function(e){t.apply(null,[i(e)])},a]):r.apply(n,[t,a])})},n},["createOffer","createAnswer"].forEach(function(e){var t=webkitRTCPeerConnection.prototype[e];webkitRTCPeerConnection.prototype[e]=function(){var e=this;if(arguments.length<1||1===arguments.length&&"object"==typeof arguments[0]){var n=1===arguments.length?arguments[0]:void 0;return new Promise(function(r,o){t.apply(e,[r,o,n])})}return t.apply(this,arguments)}}),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(e){var t=webkitRTCPeerConnection.prototype[e];webkitRTCPeerConnection.prototype[e]=function(){var e=arguments,n=this;return new Promise(function(r,o){t.apply(n,[e[0],function(){r(),e.length>=2&&e[1].apply(null,[])},function(t){o(t),e.length>=3&&e[2].apply(null,[t])}])})}});var f=function(e){if("object"!=typeof e||e.mandatory||e.optional)return e;var t={};return Object.keys(e).forEach(function(n){if("require"!==n&&"advanced"!==n&&"mediaSource"!==n){var r="object"==typeof e[n]?e[n]:{ideal:e[n]};void 0!==r.exact&&"number"==typeof r.exact&&(r.min=r.max=r.exact);var o=function(e,t){return e?e+t.charAt(0).toUpperCase()+t.slice(1):"deviceId"===t?"sourceId":t};if(void 0!==r.ideal){t.optional=t.optional||[];var i={};"number"==typeof r.ideal?(i[o("min",n)]=r.ideal,t.optional.push(i),i={},i[o("max",n)]=r.ideal,t.optional.push(i)):(i[o("",n)]=r.ideal,t.optional.push(i))}void 0!==r.exact&&"number"!=typeof r.exact?(t.mandatory=t.mandatory||{},t.mandatory[o("",n)]=r.exact):["min","max"].forEach(function(e){void 0!==r[e]&&(t.mandatory=t.mandatory||{},t.mandatory[o(e,n)]=r[e])})}}),e.advanced&&(t.optional=(t.optional||[]).concat(e.advanced)),t};if(o=function(e,t,n){return e.audio&&(e.audio=f(e.audio)),e.video&&(e.video=f(e.video)),p.log("chrome: "+JSON.stringify(e)),navigator.webkitGetUserMedia(e,t,n)},navigator.getUserMedia=o,navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:r,enumerateDevices:function(){return new Promise(function(e){var t={audio:"audioinput",video:"videoinput"};return MediaStreamTrack.getSources(function(n){e(n.map(function(e){return{label:e.label,kind:t[e.kind],deviceId:e.id,groupId:""}}))})})}}),navigator.mediaDevices.getUserMedia){var l=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(e){return p.log("spec:   "+JSON.stringify(e)),e.audio=f(e.audio),e.video=f(e.video),p.log("chrome: "+JSON.stringify(e)),l(e)}}else navigator.mediaDevices.getUserMedia=function(e){return r(e)};"undefined"==typeof navigator.mediaDevices.addEventListener&&(navigator.mediaDevices.addEventListener=function(){p.log("Dummy mediaDevices.addEventListener called.")}),"undefined"==typeof navigator.mediaDevices.removeEventListener&&(navigator.mediaDevices.removeEventListener=function(){p.log("Dummy mediaDevices.removeEventListener called.")}),i=function(e,t){c>=43?e.srcObject=t:"undefined"!=typeof e.src?e.src=URL.createObjectURL(t):p.log("Error attaching stream to element.")},a=function(e,t){c>=43?e.srcObject=t.srcObject:e.src=t.src}}else navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)?(p.log("This appears to be Edge"),s="edge",c=p.extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2),u=12):p.log("Browser does not appear to be WebRTC-capable");else p.log("This does not appear to be a browser"),s="not a browser";var h={};try{Object.defineProperty(h,"version",{set:function(e){c=e}})}catch(g){}if("undefined"!=typeof n){var m;"undefined"!=typeof window&&(m=window.RTCPeerConnection),n.exports={RTCPeerConnection:m,getUserMedia:o,attachMediaStream:i,reattachMediaStream:a,webrtcDetectedBrowser:s,webrtcDetectedVersion:c,webrtcMinimumVersion:u,webrtcTesting:h,webrtcUtils:p}}else"function"==typeof t&&"function"==typeof e&&e([],function(){return{RTCPeerConnection:window.RTCPeerConnection,getUserMedia:o,attachMediaStream:i,reattachMediaStream:a,webrtcDetectedBrowser:s,webrtcDetectedVersion:c,webrtcMinimumVersion:u,webrtcTesting:h,webrtcUtils:p}})},{}],15:[function(e,t){function n(e,t){var n,r=this;s.call(this),e=e||{},e.iceServers=e.iceServers||[],this.enableChromeNativeSimulcast=!1,t&&t.optional&&"chrome"===u.webrtcDetectedBrowser&&null===navigator.appVersion.match(/Chromium\//)&&t.optional.forEach(function(e){e.enableChromeNativeSimulcast&&(r.enableChromeNativeSimulcast=!0)}),this.enableMultiStreamHacks=!1,t&&t.optional&&"chrome"===u.webrtcDetectedBrowser&&t.optional.forEach(function(e){e.enableMultiStreamHacks&&(r.enableMultiStreamHacks=!0)}),this.restrictBandwidth=0,t&&t.optional&&t.optional.forEach(function(e){e.andyetRestrictBandwidth&&(r.restrictBandwidth=e.andyetRestrictBandwidth)}),this.batchIceCandidates=0,t&&t.optional&&t.optional.forEach(function(e){e.andyetBatchIce&&(r.batchIceCandidates=e.andyetBatchIce)}),this.batchedIceCandidates=[],t&&t.optional&&"chrome"===u.webrtcDetectedBrowser&&t.optional.forEach(function(e){e.andyetFasterICE&&(r.eliminateDuplicateCandidates=e.andyetFasterICE)}),t&&t.optional&&t.optional.forEach(function(e){e.andyetDontSignalCandidates&&(r.dontSignalCandidates=e.andyetDontSignalCandidates)}),this.assumeSetLocalSuccess=!1,t&&t.optional&&t.optional.forEach(function(e){e.andyetAssumeSetLocalSuccess&&(r.assumeSetLocalSuccess=e.andyetAssumeSetLocalSuccess)}),"firefox"===u.webrtcDetectedBrowser&&t&&t.optional&&(this.wtFirefox=0,t.optional.forEach(function(e){e.andyetFirefoxMakesMeSad&&(r.wtFirefox=e.andyetFirefoxMakesMeSad,r.wtFirefox>0&&(r.firefoxcandidatebuffer=[]))})),this.pc=new c(e,t),this.getLocalStreams=this.pc.getLocalStreams.bind(this.pc),this.getRemoteStreams=this.pc.getRemoteStreams.bind(this.pc),this.addStream=this.pc.addStream.bind(this.pc),this.removeStream=this.pc.removeStream.bind(this.pc),this.pc.on("*",function(){r.emit.apply(r,arguments)}),this.pc.onremovestream=this.emit.bind(this,"removeStream"),this.pc.onaddstream=this.emit.bind(this,"addStream"),this.pc.onnegotiationneeded=this.emit.bind(this,"negotiationNeeded"),this.pc.oniceconnectionstatechange=this.emit.bind(this,"iceConnectionStateChange"),this.pc.onsignalingstatechange=this.emit.bind(this,"signalingStateChange"),this.pc.onicecandidate=this._onIce.bind(this),this.pc.ondatachannel=this._onDataChannel.bind(this),this.localDescription={contents:[]},this.remoteDescription={contents:[]},this.config={debug:!1,ice:{},sid:"",isInitiator:!0,sdpSessionID:Date.now(),useJingle:!1};for(n in e)this.config[n]=e[n];this.config.debug&&this.on("*",function(){var t=e.logger||console;t.log("PeerConnection event:",arguments)}),this.hadLocalStunCandidate=!1,this.hadRemoteStunCandidate=!1,this.hadLocalRelayCandidate=!1,this.hadRemoteRelayCandidate=!1,this.hadLocalIPv6Candidate=!1,this.hadRemoteIPv6Candidate=!1,this._remoteDataChannels=[],this._localDataChannels=[],this._candidateBuffer=[]}var r=e("util"),o=e("lodash.foreach"),i=e("lodash.pluck"),a=e("sdp-jingle-json"),s=e("wildemitter"),c=e("traceablepeerconnection"),u=e("webrtc-adapter-test");r.inherits(n,s),Object.defineProperty(n.prototype,"signalingState",{get:function(){return this.pc.signalingState}}),Object.defineProperty(n.prototype,"iceConnectionState",{get:function(){return this.pc.iceConnectionState}}),n.prototype._role=function(){return this.isInitiator?"initiator":"responder"},n.prototype.addStream=function(e){this.localStream=e,this.pc.addStream(e)},n.prototype._checkLocalCandidate=function(e){var t=a.toCandidateJSON(e);"srflx"==t.type?this.hadLocalStunCandidate=!0:"relay"==t.type&&(this.hadLocalRelayCandidate=!0),-1!=t.ip.indexOf(":")&&(this.hadLocalIPv6Candidate=!0)},n.prototype._checkRemoteCandidate=function(e){var t=a.toCandidateJSON(e);"srflx"==t.type?this.hadRemoteStunCandidate=!0:"relay"==t.type&&(this.hadRemoteRelayCandidate=!0),-1!=t.ip.indexOf(":")&&(this.hadRemoteIPv6Candidate=!0)},n.prototype.processIce=function(e,t){t=t||function(){};var n=this;if("closed"===this.pc.signalingState)return t();if(e.contents||e.jingle&&e.jingle.contents){var r=i(this.remoteDescription.contents,"name"),o=e.contents||e.jingle.contents;o.forEach(function(e){var t=e.transport||{},o=t.candidates||[],i=r.indexOf(e.name),s=e.name;o.forEach(function(e){var t=a.toCandidateSDP(e)+"\r\n";n.pc.addIceCandidate(new RTCIceCandidate({candidate:t,sdpMLineIndex:i,sdpMid:s}),function(){},function(e){n.emit("error",e)}),n._checkRemoteCandidate(t)})})}else{if(e.candidate&&0!==e.candidate.candidate.indexOf("a=")&&(e.candidate.candidate="a="+e.candidate.candidate),this.wtFirefox&&null!==this.firefoxcandidatebuffer&&this.pc.localDescription&&"offer"===this.pc.localDescription.type)return this.firefoxcandidatebuffer.push(e.candidate),t();n.pc.addIceCandidate(new RTCIceCandidate(e.candidate),function(){},function(e){n.emit("error",e)}),n._checkRemoteCandidate(e.candidate.candidate)}t()},n.prototype.offer=function(e,t){var n=this,r=2===arguments.length,i=r&&e?e:{mandatory:{OfferToReceiveAudio:!0,OfferToReceiveVideo:!0}};return t=r?t:e,t=t||function(){},"closed"===this.pc.signalingState?t("Already closed"):(this.pc.createOffer(function(e){var r={type:"offer",sdp:e.sdp};n.assumeSetLocalSuccess&&(n.emit("offer",r),t(null,r)),n._candidateBuffer=[],n.pc.setLocalDescription(e,function(){var i;n.config.useJingle&&(i=a.toSessionJSON(e.sdp,{role:n._role(),direction:"outgoing"}),i.sid=n.config.sid,n.localDescription=i,o(i.contents,function(e){var t=e.transport||{};t.ufrag&&(n.config.ice[e.name]={ufrag:t.ufrag,pwd:t.pwd})}),r.jingle=i),r.sdp.split("\r\n").forEach(function(e){0===e.indexOf("a=candidate:")&&n._checkLocalCandidate(e)}),n.assumeSetLocalSuccess||(n.emit("offer",r),t(null,r))},function(e){n.emit("error",e),t(e)})},function(e){n.emit("error",e),t(e)},i),void 0)},n.prototype.handleOffer=function(e,t){t=t||function(){};var n=this;if(e.type="offer",e.jingle){if(this.enableChromeNativeSimulcast&&e.jingle.contents.forEach(function(e){"video"===e.name&&(e.description.googConferenceFlag=!0)}),this.enableMultiStreamHacks&&e.jingle.contents.forEach(function(e){if("video"===e.name){var t=e.description.sources||[];(0===t.length||"3735928559"!==t[0].ssrc)&&(t.unshift({ssrc:"3735928559",parameters:[{key:"cname",value:"deadbeef"},{key:"msid",value:"mixyourfecintothis please"}]}),e.description.sources=t)}}),n.restrictBandwidth>0&&e.jingle.contents.length>=2&&"video"===e.jingle.contents[1].name){var r=e.jingle.contents[1],o=r.description&&r.description.bandwidth;o||(e.jingle.contents[1].description.bandwidth={type:"AS",bandwidth:n.restrictBandwidth.toString()},e.sdp=a.toSessionSDP(e.jingle,{sid:n.config.sdpSessionID,role:n._role(),direction:"outgoing"}))}e.sdp=a.toSessionSDP(e.jingle,{sid:n.config.sdpSessionID,role:n._role(),direction:"incoming"}),n.remoteDescription=e.jingle}e.sdp.split("\r\n").forEach(function(e){0===e.indexOf("a=candidate:")&&n._checkRemoteCandidate(e)}),n.pc.setRemoteDescription(new RTCSessionDescription(e),function(){t()},t)},n.prototype.answerAudioOnly=function(e){var t={mandatory:{OfferToReceiveAudio:!0,OfferToReceiveVideo:!1}};this._answer(t,e)},n.prototype.answerBroadcastOnly=function(e){var t={mandatory:{OfferToReceiveAudio:!1,OfferToReceiveVideo:!1}};this._answer(t,e)},n.prototype.answer=function(e,t){var n=2===arguments.length,r=n?t:e,o=n&&e?e:{mandatory:{OfferToReceiveAudio:!0,OfferToReceiveVideo:!0}};this._answer(o,r)},n.prototype.handleAnswer=function(e,t){t=t||function(){};var n=this;e.jingle&&(e.sdp=a.toSessionSDP(e.jingle,{sid:n.config.sdpSessionID,role:n._role(),direction:"incoming"}),n.remoteDescription=e.jingle),e.sdp.split("\r\n").forEach(function(e){0===e.indexOf("a=candidate:")&&n._checkRemoteCandidate(e)}),n.pc.setRemoteDescription(new RTCSessionDescription(e),function(){n.wtFirefox&&window.setTimeout(function(){n.firefoxcandidatebuffer.forEach(function(e){n.pc.addIceCandidate(new RTCIceCandidate(e),function(){},function(e){n.emit("error",e)}),n._checkRemoteCandidate(e.candidate)}),n.firefoxcandidatebuffer=null},n.wtFirefox),t(null)},t)},n.prototype.close=function(){this.pc.close(),this._localDataChannels=[],this._remoteDataChannels=[],this.emit("close")},n.prototype._answer=function(e,t){t=t||function(){};var n=this;if(!this.pc.remoteDescription)throw new Error("remoteDescription not set");return"closed"===this.pc.signalingState?t("Already closed"):(n.pc.createAnswer(function(e){var r=[];if(n.enableChromeNativeSimulcast&&(e.jingle=a.toSessionJSON(e.sdp,{role:n._role(),direction:"outgoing"}),e.jingle.contents.length>=2&&"video"===e.jingle.contents[1].name)){var o=e.jingle.contents[1].description.sourceGroups||[],i=!1;if(o.forEach(function(e){"SIM"==e.semantics&&(i=!0)}),!i&&e.jingle.contents[1].description.sources.length){var s=JSON.parse(JSON.stringify(e.jingle.contents[1].description.sources[0]));s.ssrc=""+Math.floor(4294967295*Math.random()),e.jingle.contents[1].description.sources.push(s),r.push(e.jingle.contents[1].description.sources[0].ssrc),r.push(s.ssrc),o.push({semantics:"SIM",sources:r});var c=JSON.parse(JSON.stringify(s));c.ssrc=""+Math.floor(4294967295*Math.random()),e.jingle.contents[1].description.sources.push(c),o.push({semantics:"FID",sources:[s.ssrc,c.ssrc]}),e.jingle.contents[1].description.sourceGroups=o,e.sdp=a.toSessionSDP(e.jingle,{sid:n.config.sdpSessionID,role:n._role(),direction:"outgoing"})}}var u={type:"answer",sdp:e.sdp};n.assumeSetLocalSuccess&&(n.emit("answer",u),t(null,u)),n._candidateBuffer=[],n.pc.setLocalDescription(e,function(){if(n.config.useJingle){var r=a.toSessionJSON(e.sdp,{role:n._role(),direction:"outgoing"});r.sid=n.config.sid,n.localDescription=r,u.jingle=r}n.enableChromeNativeSimulcast&&(u.jingle||(u.jingle=a.toSessionJSON(e.sdp,{role:n._role(),direction:"outgoing"})),u.jingle.contents[1].description.sources.forEach(function(e,t){e.parameters=e.parameters.map(function(e){return"msid"===e.key&&(e.value+="-"+Math.floor(t/2)),e})}),u.sdp=a.toSessionSDP(u.jingle,{sid:n.sdpSessionID,role:n._role(),direction:"outgoing"})),u.sdp.split("\r\n").forEach(function(e){0===e.indexOf("a=candidate:")&&n._checkLocalCandidate(e)}),n.assumeSetLocalSuccess||(n.emit("answer",u),t(null,u))},function(e){n.emit("error",e),t(e)})},function(e){n.emit("error",e),t(e)},e),void 0)},n.prototype._onIce=function(e){var t=this;if(e.candidate){if(this.dontSignalCandidates)return;var n=e.candidate,r={candidate:{candidate:n.candidate,sdpMid:n.sdpMid,sdpMLineIndex:n.sdpMLineIndex}};this._checkLocalCandidate(n.candidate);var i,s,c=a.toCandidateJSON(n.candidate);if(this.eliminateDuplicateCandidates&&"relay"===c.type&&(i=this._candidateBuffer.filter(function(e){return"relay"===e.type}).map(function(e){return e.foundation+":"+e.component}),s=i.indexOf(c.foundation+":"+c.component),s>-1&&c.priority>>24>=i[s].priority>>24))return;if("max-bundle"===this.config.bundlePolicy&&(i=this._candidateBuffer.filter(function(e){return c.type===e.type}).map(function(e){return e.address+":"+e.port}),s=i.indexOf(c.address+":"+c.port),s>-1))return;if("require"===this.config.rtcpMuxPolicy&&"2"===c.component)return;if(this._candidateBuffer.push(c),t.config.useJingle){if(n.sdpMid||(n.sdpMid=t.pc.remoteDescription&&"offer"===t.pc.remoteDescription.type?t.remoteDescription.contents[n.sdpMLineIndex].name:t.localDescription.contents[n.sdpMLineIndex].name),!t.config.ice[n.sdpMid]){var u=a.toSessionJSON(t.pc.localDescription.sdp,{role:t._role(),direction:"outgoing"});o(u.contents,function(e){var n=e.transport||{};n.ufrag&&(t.config.ice[e.name]={ufrag:n.ufrag,pwd:n.pwd})})}if(r.jingle={contents:[{name:n.sdpMid,creator:t._role(),transport:{transType:"iceUdp",ufrag:t.config.ice[n.sdpMid].ufrag,pwd:t.config.ice[n.sdpMid].pwd,candidates:[c]}}]},t.batchIceCandidates>0)return 0===t.batchedIceCandidates.length&&window.setTimeout(function(){var e={};t.batchedIceCandidates.forEach(function(t){t=t.contents[0],e[t.name]||(e[t.name]=t),e[t.name].transport.candidates.push(t.transport.candidates[0])});var n={jingle:{contents:[]}};Object.keys(e).forEach(function(t){n.jingle.contents.push(e[t])}),t.batchedIceCandidates=[],t.emit("ice",n)},t.batchIceCandidates),t.batchedIceCandidates.push(r.jingle),void 0}this.emit("ice",r)}else this.emit("endOfCandidates")},n.prototype._onDataChannel=function(e){var t=e.channel;this._remoteDataChannels.push(t),this.emit("addChannel",t)},n.prototype.createDataChannel=function(e,t){var n=this.pc.createDataChannel(e,t);return this._localDataChannels.push(n),n},n.prototype.getStats=function(e){this.pc.getStats(null,function(t){e(null,t)},function(t){e(t)})},t.exports=n},{"lodash.foreach":26,"lodash.pluck":27,"sdp-jingle-json":24,traceablepeerconnection:25,util:8,"webrtc-adapter-test":23,wildemitter:5}],16:[function(e,t){function n(e){o.call(this);var t=e||{};this.config={chunksize:16384,pacing:0};var n;for(n in t)this.config[n]=t[n];this.file=null,this.channel=null}function r(){o.call(this),this.receiveBuffer=[],this.received=0,this.metadata={},this.channel=null}var o=e("wildemitter"),i=e("util");i.inherits(n,o),n.prototype.send=function(e,t){var n=this;this.file=e,this.channel=t;var r=function(t){var o=new window.FileReader;o.onload=function(){return function(o){n.channel.send(o.target.result),n.emit("progress",t,e.size,o.target.result),e.size>t+o.target.result.byteLength?window.setTimeout(r,n.config.pacing,t+n.config.chunksize):(n.emit("progress",e.size,e.size,null),n.emit("sentFile"))}}(e);var i=e.slice(t,t+n.config.chunksize);o.readAsArrayBuffer(i)};window.setTimeout(r,0,0)},i.inherits(r,o),r.prototype.receive=function(e,t){var n=this;e&&(this.metadata=e),this.channel=t,t.binaryType="arraybuffer",this.channel.onmessage=function(e){var t=e.data.byteLength;n.received+=t,n.receiveBuffer.push(e.data),n.emit("progress",n.received,n.metadata.size,e.data),n.received===n.metadata.size?(n.emit("receivedFile",new window.Blob(n.receiveBuffer),n.metadata),n.receiveBuffer=[]):n.received>n.metadata.size&&(console.error("received more than expected, discarding..."),n.receiveBuffer=[])}},t.exports={},t.exports.support="undefined"!=typeof window&&window&&window.File&&window.FileReader&&window.Blob,t.exports.Sender=n,t.exports.Receiver=r},{util:8,wildemitter:5}],19:[function(e,t){function n(e,t){var n=-1/0;e.getFloatFrequencyData(t);for(var r=4,o=t.length;o>r;r++)t[r]>n&&t[r]<0&&(n=t[r]);return n}var r=e("wildemitter"),o=window.AudioContext||window.webkitAudioContext,i=null;t.exports=function(e,t){var a=new r;if(!o)return a;var t=t||{},s=t.smoothing||.1,c=t.interval||50,u=t.threshold,p=t.play,d=t.history||10,f=!0;i||(i=new o);var l,h,g;g=i.createAnalyser(),g.fftSize=512,g.smoothingTimeConstant=s,h=new Float32Array(g.fftSize),e.jquery&&(e=e[0]),e instanceof HTMLAudioElement||e instanceof HTMLVideoElement?(l=i.createMediaElementSource(e),"undefined"==typeof p&&(p=!0),u=u||-50):(l=i.createMediaStreamSource(e),u=u||-50),l.connect(g),p&&g.connect(i.destination),a.speaking=!1,a.setThreshold=function(e){u=e},a.setInterval=function(e){c=e},a.stop=function(){f=!1,a.emit("volume_change",-100,u),a.speaking&&(a.speaking=!1,a.emit("stopped_speaking"))},a.speakingHistory=[];for(var m=0;d>m;m++)a.speakingHistory.push(0);var v=function(){setTimeout(function(){if(f){var e=n(g,h);a.emit("volume_change",e,u);var t=0;if(e>u&&!a.speaking){for(var r=a.speakingHistory.length-3;r<a.speakingHistory.length;r++)t+=a.speakingHistory[r];
t>=2&&(a.speaking=!0,a.emit("speaking"))}else if(u>e&&a.speaking){for(var r=0;r<a.speakingHistory.length;r++)t+=a.speakingHistory[r];0==t&&(a.speaking=!1,a.emit("stopped_speaking"))}a.speakingHistory.shift(),a.speakingHistory.push(0+(e>u)),v()}},c)};return v(),a}},{wildemitter:28}],21:[function(e,t){e("webrtc-adapter-test"),t.exports=function(e,t){var n,r=2===arguments.length,o={video:!0,audio:!0},i="PermissionDeniedError",a="PERMISSION_DENIED",s="ConstraintNotSatisfiedError";return r||(t=e,e=o),navigator.getUserMedia?e.audio||e.video?(localStorage&&"true"===localStorage.useFirefoxFakeDevice&&(e.fake=!0),navigator.getUserMedia(e,function(e){t(null,e)},function(e){var n;"string"==typeof e?(n=new Error("MediaStreamError"),n.name=e===i||e===a?i:s):(n=e,n.name||(e.name=n[i]?i:s)),t(n)}),void 0):(n=new Error("MediaStreamError"),n.name="NoMediaRequestedError",window.setTimeout(function(){t(n)},0)):(n=new Error("MediaStreamError"),n.name="NotSupportedError",window.setTimeout(function(){t(n)},0))}},{"webrtc-adapter-test":29}],28:[function(e,t){function n(){}t.exports=n,n.mixin=function(e){var t=e.prototype||e;t.isWildEmitter=!0,t.on=function(e){this.callbacks=this.callbacks||{};var t=3===arguments.length,n=t?arguments[1]:void 0,r=t?arguments[2]:arguments[1];return r._groupName=n,(this.callbacks[e]=this.callbacks[e]||[]).push(r),this},t.once=function(e){function t(){n.off(e,t),i.apply(this,arguments)}var n=this,r=3===arguments.length,o=r?arguments[1]:void 0,i=r?arguments[2]:arguments[1];return this.on(e,o,t),this},t.releaseGroup=function(e){this.callbacks=this.callbacks||{};var t,n,r,o;for(t in this.callbacks)for(o=this.callbacks[t],n=0,r=o.length;r>n;n++)o[n]._groupName===e&&(o.splice(n,1),n--,r--);return this},t.off=function(e,t){this.callbacks=this.callbacks||{};var n,r=this.callbacks[e];return r?1===arguments.length?(delete this.callbacks[e],this):(n=r.indexOf(t),r.splice(n,1),0===r.length&&delete this.callbacks[e],this):this},t.emit=function(e){this.callbacks=this.callbacks||{};var t,n,r,o=[].slice.call(arguments,1),i=this.callbacks[e],a=this.getWildcardCallbacks(e);if(i)for(r=i.slice(),t=0,n=r.length;n>t&&r[t];++t)r[t].apply(this,o);if(a)for(n=a.length,r=a.slice(),t=0,n=r.length;n>t&&r[t];++t)r[t].apply(this,[e].concat(o));return this},t.getWildcardCallbacks=function(e){this.callbacks=this.callbacks||{};var t,n,r=[];for(t in this.callbacks)n=t.split("*"),("*"===t||2===n.length&&e.slice(0,n[0].length)===n[0])&&(r=r.concat(this.callbacks[t]));return r}},n.mixin(n)},{}],29:[function(t,n){"use strict";function r(e){return new Promise(function(t,n){o(e,t,n)})}var o=null,i=null,a=null,s=null,c=null,u=null,p={log:function(){"undefined"!=typeof n||"function"==typeof t&&"function"==typeof e||console.log.apply(console,arguments)},extractVersion:function(e,t,n){var r=e.match(t);return r&&r.length>=n&&parseInt(r[n])}};if("object"==typeof window&&(!window.HTMLMediaElement||"srcObject"in window.HTMLMediaElement.prototype||Object.defineProperty(window.HTMLMediaElement.prototype,"srcObject",{get:function(){return"mozSrcObject"in this?this.mozSrcObject:this._srcObject},set:function(e){"mozSrcObject"in this?this.mozSrcObject=e:(this._srcObject=e,this.src=URL.createObjectURL(e))}}),o=window.navigator&&window.navigator.getUserMedia),i=function(e,t){e.srcObject=t},a=function(e,t){e.srcObject=t.srcObject},"undefined"!=typeof window&&window.navigator)if(navigator.mozGetUserMedia&&window.mozRTCPeerConnection){if(p.log("This appears to be Firefox"),s="firefox",c=p.extractVersion(navigator.userAgent,/Firefox\/([0-9]+)\./,1),u=31,window.RTCPeerConnection=function(e,t){if(38>c&&e&&e.iceServers){for(var n=[],r=0;r<e.iceServers.length;r++){var o=e.iceServers[r];if(o.hasOwnProperty("urls"))for(var i=0;i<o.urls.length;i++){var a={url:o.urls[i]};0===o.urls[i].indexOf("turn")&&(a.username=o.username,a.credential=o.credential),n.push(a)}else n.push(e.iceServers[r])}e.iceServers=n}return new mozRTCPeerConnection(e,t)},window.RTCSessionDescription||(window.RTCSessionDescription=mozRTCSessionDescription),window.RTCIceCandidate||(window.RTCIceCandidate=mozRTCIceCandidate),o=function(e,t,n){var r=function(e){if("object"!=typeof e||e.require)return e;var t=[];return Object.keys(e).forEach(function(n){if("require"!==n&&"advanced"!==n&&"mediaSource"!==n){var r=e[n]="object"==typeof e[n]?e[n]:{ideal:e[n]};if((void 0!==r.min||void 0!==r.max||void 0!==r.exact)&&t.push(n),void 0!==r.exact&&("number"==typeof r.exact?r.min=r.max=r.exact:e[n]=r.exact,delete r.exact),void 0!==r.ideal){e.advanced=e.advanced||[];var o={};o[n]="number"==typeof r.ideal?{min:r.ideal,max:r.ideal}:r.ideal,e.advanced.push(o),delete r.ideal,Object.keys(r).length||delete e[n]}}}),t.length&&(e.require=t),e};return 38>c&&(p.log("spec: "+JSON.stringify(e)),e.audio&&(e.audio=r(e.audio)),e.video&&(e.video=r(e.video)),p.log("ff37: "+JSON.stringify(e))),navigator.mozGetUserMedia(e,t,n)},navigator.getUserMedia=o,navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:r,addEventListener:function(){},removeEventListener:function(){}}),navigator.mediaDevices.enumerateDevices=navigator.mediaDevices.enumerateDevices||function(){return new Promise(function(e){var t=[{kind:"audioinput",deviceId:"default",label:"",groupId:""},{kind:"videoinput",deviceId:"default",label:"",groupId:""}];e(t)})},41>c){var d=navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);navigator.mediaDevices.enumerateDevices=function(){return d().then(void 0,function(e){if("NotFoundError"===e.name)return[];throw e})}}}else if(navigator.webkitGetUserMedia&&window.webkitRTCPeerConnection){p.log("This appears to be Chrome"),s="chrome",c=p.extractVersion(navigator.userAgent,/Chrom(e|ium)\/([0-9]+)\./,2),u=38,window.RTCPeerConnection=function(e,t){e&&e.iceTransportPolicy&&(e.iceTransports=e.iceTransportPolicy);var n=new webkitRTCPeerConnection(e,t),r=n.getStats.bind(n);return n.getStats=function(e,t){var n=this,o=arguments;if(arguments.length>0&&"function"==typeof e)return r(e,t);var i=function(e){var t={},n=e.result();return n.forEach(function(e){var n={id:e.id,timestamp:e.timestamp,type:e.type};e.names().forEach(function(t){n[t]=e.stat(t)}),t[n.id]=n}),t};if(arguments.length>=2){var a=function(e){o[1](i(e))};return r.apply(this,[a,arguments[0]])}return new Promise(function(t,a){1===o.length&&null===e?r.apply(n,[function(e){t.apply(null,[i(e)])},a]):r.apply(n,[t,a])})},n},["createOffer","createAnswer"].forEach(function(e){var t=webkitRTCPeerConnection.prototype[e];webkitRTCPeerConnection.prototype[e]=function(){var e=this;if(arguments.length<1||1===arguments.length&&"object"==typeof arguments[0]){var n=1===arguments.length?arguments[0]:void 0;return new Promise(function(r,o){t.apply(e,[r,o,n])})}return t.apply(this,arguments)}}),["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(e){var t=webkitRTCPeerConnection.prototype[e];webkitRTCPeerConnection.prototype[e]=function(){var e=arguments,n=this;return new Promise(function(r,o){t.apply(n,[e[0],function(){r(),e.length>=2&&e[1].apply(null,[])},function(t){o(t),e.length>=3&&e[2].apply(null,[t])}])})}});var f=function(e){if("object"!=typeof e||e.mandatory||e.optional)return e;var t={};return Object.keys(e).forEach(function(n){if("require"!==n&&"advanced"!==n&&"mediaSource"!==n){var r="object"==typeof e[n]?e[n]:{ideal:e[n]};void 0!==r.exact&&"number"==typeof r.exact&&(r.min=r.max=r.exact);var o=function(e,t){return e?e+t.charAt(0).toUpperCase()+t.slice(1):"deviceId"===t?"sourceId":t};if(void 0!==r.ideal){t.optional=t.optional||[];var i={};"number"==typeof r.ideal?(i[o("min",n)]=r.ideal,t.optional.push(i),i={},i[o("max",n)]=r.ideal,t.optional.push(i)):(i[o("",n)]=r.ideal,t.optional.push(i))}void 0!==r.exact&&"number"!=typeof r.exact?(t.mandatory=t.mandatory||{},t.mandatory[o("",n)]=r.exact):["min","max"].forEach(function(e){void 0!==r[e]&&(t.mandatory=t.mandatory||{},t.mandatory[o(e,n)]=r[e])})}}),e.advanced&&(t.optional=(t.optional||[]).concat(e.advanced)),t};if(o=function(e,t,n){return e.audio&&(e.audio=f(e.audio)),e.video&&(e.video=f(e.video)),p.log("chrome: "+JSON.stringify(e)),navigator.webkitGetUserMedia(e,t,n)},navigator.getUserMedia=o,navigator.mediaDevices||(navigator.mediaDevices={getUserMedia:r,enumerateDevices:function(){return new Promise(function(e){var t={audio:"audioinput",video:"videoinput"};return MediaStreamTrack.getSources(function(n){e(n.map(function(e){return{label:e.label,kind:t[e.kind],deviceId:e.id,groupId:""}}))})})}}),navigator.mediaDevices.getUserMedia){var l=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(e){return p.log("spec:   "+JSON.stringify(e)),e.audio=f(e.audio),e.video=f(e.video),p.log("chrome: "+JSON.stringify(e)),l(e)}}else navigator.mediaDevices.getUserMedia=function(e){return r(e)};"undefined"==typeof navigator.mediaDevices.addEventListener&&(navigator.mediaDevices.addEventListener=function(){p.log("Dummy mediaDevices.addEventListener called.")}),"undefined"==typeof navigator.mediaDevices.removeEventListener&&(navigator.mediaDevices.removeEventListener=function(){p.log("Dummy mediaDevices.removeEventListener called.")}),i=function(e,t){c>=43?e.srcObject=t:"undefined"!=typeof e.src?e.src=URL.createObjectURL(t):p.log("Error attaching stream to element.")},a=function(e,t){c>=43?e.srcObject=t.srcObject:e.src=t.src}}else navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)?(p.log("This appears to be Edge"),s="edge",c=p.extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2),u=12):p.log("Browser does not appear to be WebRTC-capable");else p.log("This does not appear to be a browser"),s="not a browser";var h={};try{Object.defineProperty(h,"version",{set:function(e){c=e}})}catch(g){}if("undefined"!=typeof n){var m;"undefined"!=typeof window&&(m=window.RTCPeerConnection),n.exports={RTCPeerConnection:m,getUserMedia:o,attachMediaStream:i,reattachMediaStream:a,webrtcDetectedBrowser:s,webrtcDetectedVersion:c,webrtcMinimumVersion:u,webrtcTesting:h,webrtcUtils:p}}else"function"==typeof t&&"function"==typeof e&&e([],function(){return{RTCPeerConnection:window.RTCPeerConnection,getUserMedia:o,attachMediaStream:i,reattachMediaStream:a,webrtcDetectedBrowser:s,webrtcDetectedVersion:c,webrtcMinimumVersion:u,webrtcTesting:h,webrtcUtils:p}})},{}],24:[function(e,t,n){var r=e("./lib/tosdp"),o=e("./lib/tojson");n.toIncomingSDPOffer=function(e){return r.toSessionSDP(e,{role:"responder",direction:"incoming"})},n.toOutgoingSDPOffer=function(e){return r.toSessionSDP(e,{role:"initiator",direction:"outgoing"})},n.toIncomingSDPAnswer=function(e){return r.toSessionSDP(e,{role:"initiator",direction:"incoming"})},n.toOutgoingSDPAnswer=function(e){return r.toSessionSDP(e,{role:"responder",direction:"outgoing"})},n.toIncomingMediaSDPOffer=function(e){return r.toMediaSDP(e,{role:"responder",direction:"incoming"})},n.toOutgoingMediaSDPOffer=function(e){return r.toMediaSDP(e,{role:"initiator",direction:"outgoing"})},n.toIncomingMediaSDPAnswer=function(e){return r.toMediaSDP(e,{role:"initiator",direction:"incoming"})},n.toOutgoingMediaSDPAnswer=function(e){return r.toMediaSDP(e,{role:"responder",direction:"outgoing"})},n.toCandidateSDP=r.toCandidateSDP,n.toMediaSDP=r.toMediaSDP,n.toSessionSDP=r.toSessionSDP,n.toIncomingJSONOffer=function(e,t){return o.toSessionJSON(e,{role:"responder",direction:"incoming",creators:t})},n.toOutgoingJSONOffer=function(e,t){return o.toSessionJSON(e,{role:"initiator",direction:"outgoing",creators:t})},n.toIncomingJSONAnswer=function(e,t){return o.toSessionJSON(e,{role:"initiator",direction:"incoming",creators:t})},n.toOutgoingJSONAnswer=function(e,t){return o.toSessionJSON(e,{role:"responder",direction:"outgoing",creators:t})},n.toIncomingMediaJSONOffer=function(e,t){return o.toMediaJSON(e,{role:"responder",direction:"incoming",creator:t})},n.toOutgoingMediaJSONOffer=function(e,t){return o.toMediaJSON(e,{role:"initiator",direction:"outgoing",creator:t})},n.toIncomingMediaJSONAnswer=function(e,t){return o.toMediaJSON(e,{role:"initiator",direction:"incoming",creator:t})},n.toOutgoingMediaJSONAnswer=function(e,t){return o.toMediaJSON(e,{role:"responder",direction:"outgoing",creator:t})},n.toCandidateJSON=o.toCandidateJSON,n.toMediaJSON=o.toMediaJSON,n.toSessionJSON=o.toSessionJSON},{"./lib/tojson":30,"./lib/tosdp":31}],20:[function(e,t){var n=e("getusermedia"),r={};t.exports=function(e,t){var o,i=2===arguments.length,a=i?t:e;if("undefined"==typeof window||"http:"===window.location.protocol)return o=new Error("NavigatorUserMediaError"),o.name="HTTPS_REQUIRED",a(o);if(window.navigator.userAgent.match("Chrome")){var s=parseInt(window.navigator.userAgent.match(/Chrome\/(.*) /)[1],10),c=33,u=!window.chrome.webstore;if(window.navigator.userAgent.match("Linux")&&(c=35),sessionStorage.getScreenMediaJSExtensionId)chrome.runtime.sendMessage(sessionStorage.getScreenMediaJSExtensionId,{type:"getScreen",id:1},null,function(t){if(t&&""!==t.sourceId)e=i&&e||{audio:!1,video:{mandatory:{chromeMediaSource:"desktop",maxWidth:window.screen.width,maxHeight:window.screen.height,maxFrameRate:3},optional:[{googLeakyBucket:!0},{googTemporalLayeredScreencast:!0}]}},e.video.mandatory.chromeMediaSourceId=t.sourceId,n(e,a);else{var r=new Error("NavigatorUserMediaError");r.name="PERMISSION_DENIED",a(r)}});else if(window.cefGetScreenMedia)window.cefGetScreenMedia(function(t){if(t)e=i&&e||{audio:!1,video:{mandatory:{chromeMediaSource:"desktop",maxWidth:window.screen.width,maxHeight:window.screen.height,maxFrameRate:3},optional:[{googLeakyBucket:!0},{googTemporalLayeredScreencast:!0}]}},e.video.mandatory.chromeMediaSourceId=t,n(e,a);else{var r=new Error("cefGetScreenMediaError");r.name="CEF_GETSCREENMEDIA_CANCELED",a(r)}});else if(u||s>=26&&c>=s)e=i&&e||{video:{mandatory:{googLeakyBucket:!0,maxWidth:window.screen.width,maxHeight:window.screen.height,maxFrameRate:3,chromeMediaSource:"screen"}}},n(e,a);else{var p=window.setTimeout(function(){return o=new Error("NavigatorUserMediaError"),o.name="EXTENSION_UNAVAILABLE",a(o)},1e3);r[p]=[a,i?e:null],window.postMessage({type:"getScreen",id:p},"*")}}else if(window.navigator.userAgent.match("Firefox")){var d=parseInt(window.navigator.userAgent.match(/Firefox\/(.*)/)[1],10);d>=33?(e=i&&e||{video:{mozMediaSource:"window",mediaSource:"window"}},n(e,function(e,t){if(a(e,t),!e)var n=t.currentTime,r=window.setInterval(function(){t||window.clearInterval(r),t.currentTime==n&&(window.clearInterval(r),t.onended&&t.onended()),n=t.currentTime},500)})):(o=new Error("NavigatorUserMediaError"),o.name="EXTENSION_UNAVAILABLE")}},window.addEventListener("message",function(e){if(e.origin==window.location.origin)if("gotScreen"==e.data.type&&r[e.data.id]){var t=r[e.data.id],o=t[1],i=t[0];if(delete r[e.data.id],""===e.data.sourceId){var a=new Error("NavigatorUserMediaError");a.name="PERMISSION_DENIED",i(a)}else o=o||{audio:!1,video:{mandatory:{chromeMediaSource:"desktop",maxWidth:window.screen.width,maxHeight:window.screen.height,maxFrameRate:3},optional:[{googLeakyBucket:!0},{googTemporalLayeredScreencast:!0}]}},o.video.mandatory.chromeMediaSourceId=e.data.sourceId,n(o,i)}else"getScreenPending"==e.data.type&&window.clearTimeout(e.data.id)})},{getusermedia:21}],22:[function(e,t){function n(e){if(this.support=r.webAudio&&r.mediaStream,this.gain=1,this.support){var t=this.context=new r.AudioContext;this.microphone=t.createMediaStreamSource(e),this.gainFilter=t.createGain(),this.destination=t.createMediaStreamDestination(),this.outputStream=this.destination.stream,this.microphone.connect(this.gainFilter),this.gainFilter.connect(this.destination),e.addTrack(this.outputStream.getAudioTracks()[0]),e.removeTrack(e.getAudioTracks()[0])}this.stream=e}var r=e("webrtcsupport");n.prototype.setGain=function(e){this.support&&(this.gainFilter.gain.value=e,this.gain=e)},n.prototype.getGain=function(){return this.gain},n.prototype.off=function(){return this.setGain(0)},n.prototype.on=function(){this.setGain(1)},t.exports=n},{webrtcsupport:18}],17:[function(e,t,n){function r(e,t){"object"==typeof e&&(t=e,e=void 0),t=t||{};var n,r=o(e),i=r.source,u=r.id;return t.forceNew||t["force new connection"]||!1===t.multiplex?(s("ignoring socket cache for %s",i),n=a(i,t)):(c[u]||(s("new io instance for %s",i),c[u]=a(i,t)),n=c[u]),n.socket(r.path)}var o=e("./url"),i=e("socket.io-parser"),a=e("./manager"),s=e("debug")("socket.io-client");t.exports=n=r;var c=n.managers={};n.protocol=i.protocol,n.connect=r,n.Manager=e("./manager"),n.Socket=e("./socket")},{"./manager":33,"./socket":34,"./url":32,debug:35,"socket.io-parser":36}],35:[function(e,t){function n(e){return n.enabled(e)?function(t){t=r(t);var o=new Date,i=o-(n[e]||o);n[e]=o,t=e+" "+t+" +"+n.humanize(i),window.console&&console.log&&Function.prototype.apply.call(console.log,console,arguments)}:function(){}}function r(e){return e instanceof Error?e.stack||e.message:e}t.exports=n,n.names=[],n.skips=[],n.enable=function(e){try{localStorage.debug=e}catch(t){}for(var r=(e||"").split(/[\s,]+/),o=r.length,i=0;o>i;i++)e=r[i].replace("*",".*?"),"-"===e[0]?n.skips.push(new RegExp("^"+e.substr(1)+"$")):n.names.push(new RegExp("^"+e+"$"))},n.disable=function(){n.enable("")},n.humanize=function(e){var t=1e3,n=6e4,r=60*n;return e>=r?(e/r).toFixed(1)+"h":e>=n?(e/n).toFixed(1)+"m":e>=t?(0|e/t)+"s":e+"ms"},n.enabled=function(e){for(var t=0,r=n.skips.length;r>t;t++)if(n.skips[t].test(e))return!1;for(var t=0,r=n.names.length;r>t;t++)if(n.names[t].test(e))return!0;return!1};try{window.localStorage&&n.enable(localStorage.debug)}catch(o){}},{}],37:[function(e,t){function n(e,t,n){return e.on(t,n),{destroy:function(){e.removeListener(t,n)}}}t.exports=n},{}],27:[function(e,t){function n(e){return function(t){return null==t?void 0:t[e]}}function r(e){var t=e+"";return e=p(e),function(n){return u(n,e,t)}}function o(e,t){var n=typeof e;if("string"==n&&h.test(e)||"number"==n)return!0;if(d(e))return!1;var r=!l.test(e);return r||null!=t&&e in i(t)}function i(e){return s(e)?e:Object(e)}function a(e,t){return f(e,c(t))}function s(e){var t=typeof e;return!!e&&("object"==t||"function"==t)}function c(e){return o(e)?n(e):r(e)}var u=e("lodash._baseget"),p=e("lodash._topath"),d=e("lodash.isarray"),f=e("lodash.map"),l=/\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\n\\]|\\.)*?\1)\]/,h=/^\w*$/;t.exports=a},{"lodash._baseget":38,"lodash._topath":39,"lodash.isarray":40,"lodash.map":41}],26:[function(e,t){function n(e,t){return function(n,r,o){return"function"==typeof r&&void 0===o&&a(n)?e(n,r):t(n,i(r,o,3))}}var r=e("lodash._arrayeach"),o=e("lodash._baseeach"),i=e("lodash._bindcallback"),a=e("lodash.isarray"),s=n(r,o);t.exports=s},{"lodash._arrayeach":42,"lodash._baseeach":45,"lodash._bindcallback":43,"lodash.isarray":44}],30:[function(e,t,n){var r=e("./senders"),o=e("./parsers"),i=Math.random();n._setIdCounter=function(e){i=e},n.toSessionJSON=function(e,t){var r,i=t.creators||[],a=t.role||"initiator",s=t.direction||"outgoing",c=e.split("\r\nm=");for(r=1;r<c.length;r++)c[r]="m="+c[r],r!==c.length-1&&(c[r]+="\r\n");var u=c.shift()+"\r\n",p=o.lines(u),d={},f=[];for(r=0;r<c.length;r++)f.push(n.toMediaJSON(c[r],u,{role:a,direction:s,creator:i[r]||"initiator"}));d.contents=f;var l=o.findLines("a=group:",p);return l.length&&(d.groups=o.groups(l)),d},n.toMediaJSON=function(e,t,i){var a=i.creator||"initiator",s=i.role||"initiator",c=i.direction||"outgoing",u=o.lines(e),p=o.lines(t),d=o.mline(u[0]),f={creator:a,name:d.media,description:{descType:"rtp",media:d.media,payloads:[],encryption:[],feedback:[],headerExtensions:[]},transport:{transType:"iceUdp",candidates:[],fingerprints:[]}};"application"==d.media&&(f.description={descType:"datachannel"},f.transport.sctp=[]);var l=f.description,h=f.transport,g=o.findLine("a=mid:",u);if(g&&(f.name=g.substr(6)),o.findLine("a=sendrecv",u,p)?f.senders="both":o.findLine("a=sendonly",u,p)?f.senders=r[s][c].sendonly:o.findLine("a=recvonly",u,p)?f.senders=r[s][c].recvonly:o.findLine("a=inactive",u,p)&&(f.senders="none"),"rtp"==l.descType){var m=o.findLine("b=",u);m&&(l.bandwidth=o.bandwidth(m));var v=o.findLine("a=ssrc:",u);v&&(l.ssrc=v.substr(7).split(" ")[0]);var y=o.findLines("a=rtpmap:",u);y.forEach(function(e){var t=o.rtpmap(e);t.parameters=[],t.feedback=[];var n=o.findLines("a=fmtp:"+t.id,u);n.forEach(function(e){t.parameters=o.fmtp(e)});var r=o.findLines("a=rtcp-fb:"+t.id,u);r.forEach(function(e){t.feedback.push(o.rtcpfb(e))}),l.payloads.push(t)});var b=o.findLines("a=crypto:",u,p);b.forEach(function(e){l.encryption.push(o.crypto(e))}),o.findLine("a=rtcp-mux",u)&&(l.mux=!0);var w=o.findLines("a=rtcp-fb:*",u);w.forEach(function(e){l.feedback.push(o.rtcpfb(e))});var S=o.findLines("a=extmap:",u);S.forEach(function(e){var t=o.extmap(e);t.senders=r[s][c][t.senders],l.headerExtensions.push(t)});var k=o.findLines("a=ssrc-group:",u);l.sourceGroups=o.sourceGroups(k||[]);var C=o.findLines("a=ssrc:",u),x=l.sources=o.sources(C||[]),E=o.findLine("a=msid:",u);if(E){var j=o.msid(E);["msid","mslabel","label"].forEach(function(e){for(var t=0;t<x.length;t++){for(var n=!1,r=0;r<x[t].parameters.length;r++)x[t].parameters[r].key===e&&(n=!0);n||x[t].parameters.push({key:e,value:j[e]})}})}o.findLine("a=x-google-flag:conference",u,p)&&(l.googConferenceFlag=!0)}var O=o.findLines("a=fingerprint:",u,p),T=o.findLine("a=setup:",u,p);O.forEach(function(e){var t=o.fingerprint(e);T&&(t.setup=T.substr(8)),h.fingerprints.push(t)});var D=o.findLine("a=ice-ufrag:",u,p),A=o.findLine("a=ice-pwd:",u,p);if(D&&A){h.ufrag=D.substr(12),h.pwd=A.substr(10),h.candidates=[];var R=o.findLines("a=candidate:",u,p);R.forEach(function(e){h.candidates.push(n.toCandidateJSON(e))})}if("datachannel"==l.descType){var M=o.findLines("a=sctpmap:",u);M.forEach(function(e){var t=o.sctpmap(e);h.sctp.push(t)})}return f},n.toCandidateJSON=function(e){var t=o.candidate(e.split("\r\n")[0]);return t.id=(i++).toString(36).substr(0,12),t}},{"./parsers":47,"./senders":46}],31:[function(e,t,n){var r=e("./senders");n.toSessionSDP=function(e,t){t.role||"initiator",t.direction||"outgoing";var r=t.sid||e.sid||Date.now(),o=t.time||Date.now(),i=["v=0","o=- "+r+" "+o+" IN IP4 0.0.0.0","s=-","t=0 0","a=msid-semantic: WMS *"],a=e.groups||[];a.forEach(function(e){i.push("a=group:"+e.semantics+" "+e.contents.join(" "))});var s=e.contents||[];return s.forEach(function(e){i.push(n.toMediaSDP(e,t))}),i.join("\r\n")+"\r\n"},n.toMediaSDP=function(e,t){var o=[],i=t.role||"initiator",a=t.direction||"outgoing",s=e.description,c=e.transport,u=s.payloads||[],p=c&&c.fingerprints||[],d=[];if("datachannel"==s.descType?(d.push("application"),d.push("1"),d.push("DTLS/SCTP"),c.sctp&&c.sctp.forEach(function(e){d.push(e.number)})):(d.push(s.media),d.push("1"),s.encryption&&s.encryption.length>0||p.length>0?d.push("RTP/SAVPF"):d.push("RTP/AVPF"),u.forEach(function(e){d.push(e.id)})),o.push("m="+d.join(" ")),o.push("c=IN IP4 0.0.0.0"),s.bandwidth&&s.bandwidth.type&&s.bandwidth.bandwidth&&o.push("b="+s.bandwidth.type+":"+s.bandwidth.bandwidth),"rtp"==s.descType&&o.push("a=rtcp:1 IN IP4 0.0.0.0"),c){c.ufrag&&o.push("a=ice-ufrag:"+c.ufrag),c.pwd&&o.push("a=ice-pwd:"+c.pwd);var f=!1;p.forEach(function(e){o.push("a=fingerprint:"+e.hash+" "+e.value),e.setup&&!f&&o.push("a=setup:"+e.setup)}),c.sctp&&c.sctp.forEach(function(e){o.push("a=sctpmap:"+e.number+" "+e.protocol+" "+e.streams)})}"rtp"==s.descType&&o.push("a="+(r[i][a][e.senders]||"sendrecv")),o.push("a=mid:"+e.name),s.sources&&s.sources.length&&(s.sources[0].parameters||[]).forEach(function(e){"msid"===e.key&&o.push("a=msid:"+e.value)}),s.mux&&o.push("a=rtcp-mux");var l=s.encryption||[];l.forEach(function(e){o.push("a=crypto:"+e.tag+" "+e.cipherSuite+" "+e.keyParams+(e.sessionParams?" "+e.sessionParams:""))}),s.googConferenceFlag&&o.push("a=x-google-flag:conference"),u.forEach(function(e){var t="a=rtpmap:"+e.id+" "+e.name+"/"+e.clockrate;if(e.channels&&"1"!=e.channels&&(t+="/"+e.channels),o.push(t),e.parameters&&e.parameters.length){var n=["a=fmtp:"+e.id],r=[];e.parameters.forEach(function(e){r.push((e.key?e.key+"=":"")+e.value)}),n.push(r.join(";")),o.push(n.join(" "))}e.feedback&&e.feedback.forEach(function(t){"trr-int"===t.type?o.push("a=rtcp-fb:"+e.id+" trr-int "+(t.value?t.value:"0")):o.push("a=rtcp-fb:"+e.id+" "+t.type+(t.subtype?" "+t.subtype:""))})}),s.feedback&&s.feedback.forEach(function(e){"trr-int"===e.type?o.push("a=rtcp-fb:* trr-int "+(e.value?e.value:"0")):o.push("a=rtcp-fb:* "+e.type+(e.subtype?" "+e.subtype:""))});var h=s.headerExtensions||[];h.forEach(function(e){o.push("a=extmap:"+e.id+(e.senders?"/"+r[i][a][e.senders]:"")+" "+e.uri)});var g=s.sourceGroups||[];g.forEach(function(e){o.push("a=ssrc-group:"+e.semantics+" "+e.sources.join(" "))});var m=s.sources||[];m.forEach(function(e){for(var t=0;t<e.parameters.length;t++){var n=e.parameters[t];o.push("a=ssrc:"+(e.ssrc||s.ssrc)+" "+n.key+(n.value?":"+n.value:""))}});var v=c.candidates||[];return v.forEach(function(e){o.push(n.toCandidateSDP(e))}),o.join("\r\n")},n.toCandidateSDP=function(e){var t=[];t.push(e.foundation),t.push(e.component),t.push(e.protocol.toUpperCase()),t.push(e.priority),t.push(e.ip),t.push(e.port);var n=e.type;return t.push("typ"),t.push(n),("srflx"===n||"prflx"===n||"relay"===n)&&e.relAddr&&e.relPort&&(t.push("raddr"),t.push(e.relAddr),t.push("rport"),t.push(e.relPort)),e.tcpType&&"TCP"==e.protocol.toUpperCase()&&(t.push("tcptype"),t.push(e.tcpType)),t.push("generation"),t.push(e.generation||"0"),"a=candidate:"+t.join(" ")}},{"./senders":46}],38:[function(e,t){function n(e,t,n){if(null!=e){void 0!==n&&n in r(e)&&(t=[n]);for(var o=0,i=t.length;null!=e&&i>o;)e=e[t[o++]];return o&&o==i?e:void 0}}function r(e){return o(e)?e:Object(e)}function o(e){var t=typeof e;return!!e&&("object"==t||"function"==t)}t.exports=n},{}],40:[function(e,t){function n(e){return!!e&&"object"==typeof e}function r(e,t){var n=null==e?void 0:e[t];return s(n)?n:void 0}function o(e){return"number"==typeof e&&e>-1&&0==e%1&&v>=e}function i(e){return a(e)&&h.call(e)==u}function a(e){var t=typeof e;return!!e&&("object"==t||"function"==t)}function s(e){return null==e?!1:i(e)?g.test(f.call(e)):n(e)&&p.test(e)}var c="[object 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n=null==e?void 0:e[t];return s(n)?n:void 0}function o(e){return"number"==typeof e&&e>-1&&0==e%1&&v>=e}function i(e){return a(e)&&h.call(e)==u}function a(e){var t=typeof e;return!!e&&("object"==t||"function"==t)}function s(e){return null==e?!1:i(e)?g.test(f.call(e)):n(e)&&p.test(e)}var c="[object Array]",u="[object Function]",p=/^\[object .+?Constructor\]$/,d=Object.prototype,f=Function.prototype.toString,l=d.hasOwnProperty,h=d.toString,g=RegExp("^"+f.call(l).replace(/[\\^$.*+?()[\]{}|]/g,"\\$&").replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g,"$1.*?")+"$"),m=r(Array,"isArray"),v=9007199254740991,y=m||function(e){return n(e)&&o(e.length)&&h.call(e)==c};t.exports=y},{}],32:[function(e,t){function n(e,t){var n=e,t=t||r.location;return null==e&&(e=t.protocol+"//"+t.host),"string"==typeof e&&("/"==e.charAt(0)&&(e="/"==e.charAt(1)?t.protocol+e:t.hostname+e),/^(https?|wss?):\/\//.test(e)||(i("protocol-less url %s",e),e="undefined"!=typeof t?t.protocol+"//"+e:"https://"+e),i("parse %s",e),n=o(e)),n.port||(/^(http|ws)$/.test(n.protocol)?n.port="80":/^(http|ws)s$/.test(n.protocol)&&(n.port="443")),n.path=n.path||"/",n.id=n.protocol+"://"+n.host+":"+n.port,n.href=n.protocol+"://"+n.host+(t&&t.port==n.port?"":":"+n.port),n}var r=self,o=e("parseuri"),i=e("debug")("socket.io-client:url");t.exports=n},{debug:35,parseuri:48}],33:[function(e,t){function n(e,t){return this instanceof n?(e&&"object"==typeof e&&(t=e,e=void 0),t=t||{},t.path=t.path||"/socket.io",this.nsps={},this.subs=[],this.opts=t,this.reconnection(t.reconnection!==!1),this.reconnectionAttempts(t.reconnectionAttempts||1/0),this.reconnectionDelay(t.reconnectionDelay||1e3),this.reconnectionDelayMax(t.reconnectionDelayMax||5e3),this.randomizationFactor(t.randomizationFactor||.5),this.backoff=new d({min:this.reconnectionDelay(),max:this.reconnectionDelayMax(),jitter:this.randomizationFactor()}),this.timeout(null==t.timeout?2e4:t.timeout),this.readyState="closed",this.uri=e,this.connected=[],this.encoding=!1,this.packetBuffer=[],this.encoder=new a.Encoder,this.decoder=new a.Decoder,this.autoConnect=t.autoConnect!==!1,this.autoConnect&&this.open(),void 0):new n(e,t)}e("./url");var r=e("engine.io-client"),o=e("./socket"),i=e("component-emitter"),a=e("socket.io-parser"),s=e("./on"),c=e("component-bind");e("object-component");var u=e("debug")("socket.io-client:manager"),p=e("indexof"),d=e("backo2");t.exports=n,n.prototype.emitAll=function(){this.emit.apply(this,arguments);for(var e in this.nsps)this.nsps[e].emit.apply(this.nsps[e],arguments)},n.prototype.updateSocketIds=function(){for(var e in this.nsps)this.nsps[e].id=this.engine.id},i(n.prototype),n.prototype.reconnection=function(e){return arguments.length?(this._reconnection=!!e,this):this._reconnection},n.prototype.reconnectionAttempts=function(e){return arguments.length?(this._reconnectionAttempts=e,this):this._reconnectionAttempts},n.prototype.reconnectionDelay=function(e){return arguments.length?(this._reconnectionDelay=e,this.backoff&&this.backoff.setMin(e),this):this._reconnectionDelay},n.prototype.randomizationFactor=function(e){return arguments.length?(this._randomizationFactor=e,this.backoff&&this.backoff.setJitter(e),this):this._randomizationFactor},n.prototype.reconnectionDelayMax=function(e){return arguments.length?(this._reconnectionDelayMax=e,this.backoff&&this.backoff.setMax(e),this):this._reconnectionDelayMax},n.prototype.timeout=function(e){return arguments.length?(this._timeout=e,this):this._timeout},n.prototype.maybeReconnectOnOpen=function(){!this.reconnecting&&this._reconnection&&0===this.backoff.attempts&&this.reconnect()},n.prototype.open=n.prototype.connect=function(e){if(u("readyState 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e=this.engine;this.subs.push(s(e,"data",c(this,"ondata"))),this.subs.push(s(this.decoder,"decoded",c(this,"ondecoded"))),this.subs.push(s(e,"error",c(this,"onerror"))),this.subs.push(s(e,"close",c(this,"onclose")))},n.prototype.ondata=function(e){this.decoder.add(e)},n.prototype.ondecoded=function(e){this.emit("packet",e)},n.prototype.onerror=function(e){u("error",e),this.emitAll("error",e)
},n.prototype.socket=function(e){var t=this.nsps[e];if(!t){t=new o(this,e),this.nsps[e]=t;var n=this;t.on("connect",function(){t.id=n.engine.id,~p(n.connected,t)||n.connected.push(t)})}return t},n.prototype.destroy=function(e){var t=p(this.connected,e);~t&&this.connected.splice(t,1),this.connected.length||this.close()},n.prototype.packet=function(e){u("writing packet %j",e);var t=this;t.encoding?t.packetBuffer.push(e):(t.encoding=!0,this.encoder.encode(e,function(e){for(var n=0;n<e.length;n++)t.engine.write(e[n]);t.encoding=!1,t.processPacketQueue()}))},n.prototype.processPacketQueue=function(){if(this.packetBuffer.length>0&&!this.encoding){var e=this.packetBuffer.shift();this.packet(e)}},n.prototype.cleanup=function(){for(var e;e=this.subs.shift();)e.destroy();this.packetBuffer=[],this.encoding=!1,this.decoder.destroy()},n.prototype.close=n.prototype.disconnect=function(){this.skipReconnect=!0,this.backoff.reset(),this.readyState="closed",this.engine&&this.engine.close()},n.prototype.onclose=function(e){u("close"),this.cleanup(),this.backoff.reset(),this.readyState="closed",this.emit("close",e),this._reconnection&&!this.skipReconnect&&this.reconnect()},n.prototype.reconnect=function(){if(this.reconnecting||this.skipReconnect)return this;var e=this;if(this.backoff.attempts>=this._reconnectionAttempts)u("reconnect failed"),this.backoff.reset(),this.emitAll("reconnect_failed"),this.reconnecting=!1;else{var t=this.backoff.duration();u("will wait %dms before reconnect attempt",t),this.reconnecting=!0;var n=setTimeout(function(){e.skipReconnect||(u("attempting reconnect"),e.emitAll("reconnect_attempt",e.backoff.attempts),e.emitAll("reconnecting",e.backoff.attempts),e.skipReconnect||e.open(function(t){t?(u("reconnect attempt error"),e.reconnecting=!1,e.reconnect(),e.emitAll("reconnect_error",t.data)):(u("reconnect success"),e.onreconnect())}))},t);this.subs.push({destroy:function(){clearTimeout(n)}})}},n.prototype.onreconnect=function(){var e=this.backoff.attempts;this.reconnecting=!1,this.backoff.reset(),this.updateSocketIds(),this.emitAll("reconnect",e)}},{"./on":37,"./socket":34,"./url":32,backo2:54,"component-bind":51,"component-emitter":49,debug:35,"engine.io-client":50,indexof:53,"object-component":52,"socket.io-parser":36}],34:[function(e,t,n){function r(e,t){this.io=e,this.nsp=t,this.json=this,this.ids=0,this.acks={},this.io.autoConnect&&this.open(),this.receiveBuffer=[],this.sendBuffer=[],this.connected=!1,this.disconnected=!0}var o=e("socket.io-parser"),i=e("component-emitter"),a=e("to-array"),s=e("./on"),c=e("component-bind"),u=e("debug")("socket.io-client:socket"),p=e("has-binary");t.exports=n=r;var d={connect:1,connect_error:1,connect_timeout:1,disconnect:1,error:1,reconnect:1,reconnect_attempt:1,reconnect_failed:1,reconnect_error:1,reconnecting:1},f=i.prototype.emit;i(r.prototype),r.prototype.subEvents=function(){if(!this.subs){var e=this.io;this.subs=[s(e,"open",c(this,"onopen")),s(e,"packet",c(this,"onpacket")),s(e,"close",c(this,"onclose"))]}},r.prototype.open=r.prototype.connect=function(){return this.connected?this:(this.subEvents(),this.io.open(),"open"==this.io.readyState&&this.onopen(),this)},r.prototype.send=function(){var e=a(arguments);return e.unshift("message"),this.emit.apply(this,e),this},r.prototype.emit=function(e){if(d.hasOwnProperty(e))return f.apply(this,arguments),this;var t=a(arguments),n=o.EVENT;p(t)&&(n=o.BINARY_EVENT);var r={type:n,data:t};return"function"==typeof t[t.length-1]&&(u("emitting packet with ack id %d",this.ids),this.acks[this.ids]=t.pop(),r.id=this.ids++),this.connected?this.packet(r):this.sendBuffer.push(r),this},r.prototype.packet=function(e){e.nsp=this.nsp,this.io.packet(e)},r.prototype.onopen=function(){u("transport is open - connecting"),"/"!=this.nsp&&this.packet({type:o.CONNECT})},r.prototype.onclose=function(e){u("close (%s)",e),this.connected=!1,this.disconnected=!0,delete this.id,this.emit("disconnect",e)},r.prototype.onpacket=function(e){if(e.nsp==this.nsp)switch(e.type){case o.CONNECT:this.onconnect();break;case o.EVENT:this.onevent(e);break;case o.BINARY_EVENT:this.onevent(e);break;case o.ACK:this.onack(e);break;case o.BINARY_ACK:this.onack(e);break;case o.DISCONNECT:this.ondisconnect();break;case o.ERROR:this.emit("error",e.data)}},r.prototype.onevent=function(e){var t=e.data||[];u("emitting event %j",t),null!=e.id&&(u("attaching ack callback to event"),t.push(this.ack(e.id))),this.connected?f.apply(this,t):this.receiveBuffer.push(t)},r.prototype.ack=function(e){var t=this,n=!1;return function(){if(!n){n=!0;var r=a(arguments);u("sending ack %j",r);var i=p(r)?o.BINARY_ACK:o.ACK;t.packet({type:i,id:e,data:r})}}},r.prototype.onack=function(e){u("calling ack %s with %j",e.id,e.data);var t=this.acks[e.id];t.apply(this,e.data),delete this.acks[e.id]},r.prototype.onconnect=function(){this.connected=!0,this.disconnected=!1,this.emit("connect"),this.emitBuffered()},r.prototype.emitBuffered=function(){var e;for(e=0;e<this.receiveBuffer.length;e++)f.apply(this,this.receiveBuffer[e]);for(this.receiveBuffer=[],e=0;e<this.sendBuffer.length;e++)this.packet(this.sendBuffer[e]);this.sendBuffer=[]},r.prototype.ondisconnect=function(){u("server disconnect (%s)",this.nsp),this.destroy(),this.onclose("io server disconnect")},r.prototype.destroy=function(){if(this.subs){for(var e=0;e<this.subs.length;e++)this.subs[e].destroy();this.subs=null}this.io.destroy(this)},r.prototype.close=r.prototype.disconnect=function(){return this.connected&&(u("performing disconnect (%s)",this.nsp),this.packet({type:o.DISCONNECT})),this.destroy(),this.connected&&this.onclose("io client disconnect"),this}},{"./on":37,"component-bind":51,"component-emitter":49,debug:35,"has-binary":56,"socket.io-parser":36,"to-array":55}],46:[function(e,t){t.exports={initiator:{incoming:{initiator:"recvonly",responder:"sendonly",both:"sendrecv",none:"inactive",recvonly:"initiator",sendonly:"responder",sendrecv:"both",inactive:"none"},outgoing:{initiator:"sendonly",responder:"recvonly",both:"sendrecv",none:"inactive",recvonly:"responder",sendonly:"initiator",sendrecv:"both",inactive:"none"}},responder:{incoming:{initiator:"sendonly",responder:"recvonly",both:"sendrecv",none:"inactive",recvonly:"responder",sendonly:"initiator",sendrecv:"both",inactive:"none"},outgoing:{initiator:"recvonly",responder:"sendonly",both:"sendrecv",none:"inactive",recvonly:"initiator",sendonly:"responder",sendrecv:"both",inactive:"none"}}}},{}],47:[function(e,t,n){n.lines=function(e){return e.split("\r\n").filter(function(e){return e.length>0})},n.findLine=function(e,t,n){for(var r=e.length,o=0;o<t.length;o++)if(t[o].substr(0,r)===e)return t[o];if(!n)return!1;for(var i=0;i<n.length;i++)if(n[i].substr(0,r)===e)return n[i];return!1},n.findLines=function(e,t,n){for(var r=[],o=e.length,i=0;i<t.length;i++)t[i].substr(0,o)===e&&r.push(t[i]);if(r.length||!n)return r;for(var a=0;a<n.length;a++)n[a].substr(0,o)===e&&r.push(n[a]);return r},n.mline=function(e){for(var t=e.substr(2).split(" "),n={media:t[0],port:t[1],proto:t[2],formats:[]},r=3;r<t.length;r++)t[r]&&n.formats.push(t[r]);return n},n.rtpmap=function(e){var t=e.substr(9).split(" "),n={id:t.shift()};return t=t[0].split("/"),n.name=t[0],n.clockrate=t[1],n.channels=3==t.length?t[2]:"1",n},n.sctpmap=function(e){var t=e.substr(10).split(" "),n={number:t.shift(),protocol:t.shift(),streams:t.shift()};return n},n.fmtp=function(e){for(var t,n,r,o=e.substr(e.indexOf(" ")+1).split(";"),i=[],a=0;a<o.length;a++)t=o[a].split("="),n=t[0].trim(),r=t[1],n&&r?i.push({key:n,value:r}):n&&i.push({key:"",value:n});return i},n.crypto=function(e){var t=e.substr(9).split(" "),n={tag:t[0],cipherSuite:t[1],keyParams:t[2],sessionParams:t.slice(3).join(" ")};return n},n.fingerprint=function(e){var t=e.substr(14).split(" ");return{hash:t[0],value:t[1]}},n.extmap=function(e){var t=e.substr(9).split(" "),n={},r=t.shift(),o=r.indexOf("/");return o>=0?(n.id=r.substr(0,o),n.senders=r.substr(o+1)):(n.id=r,n.senders="sendrecv"),n.uri=t.shift()||"",n},n.rtcpfb=function(e){var t=e.substr(10).split(" "),n={};return n.id=t.shift(),n.type=t.shift(),"trr-int"===n.type?n.value=t.shift():n.subtype=t.shift()||"",n.parameters=t,n},n.candidate=function(e){var t;t=0===e.indexOf("a=candidate:")?e.substring(12).split(" "):e.substring(10).split(" ");for(var n={foundation:t[0],component:t[1],protocol:t[2].toLowerCase(),priority:t[3],ip:t[4],port:t[5],type:t[7],generation:"0"},r=8;r<t.length;r+=2)"raddr"===t[r]?n.relAddr=t[r+1]:"rport"===t[r]?n.relPort=t[r+1]:"generation"===t[r]?n.generation=t[r+1]:"tcptype"===t[r]&&(n.tcpType=t[r+1]);return n.network="1",n},n.sourceGroups=function(e){for(var t=[],n=0;n<e.length;n++){var r=e[n].substr(13).split(" ");t.push({semantics:r.shift(),sources:r})}return t},n.sources=function(e){for(var t=[],n={},r=0;r<e.length;r++){var o=e[r].substr(7).split(" "),i=o.shift();if(!n[i]){var a={ssrc:i,parameters:[]};t.push(a),n[i]=a}o=o.join(" ").split(":");var s=o.shift(),c=o.join(":")||null;n[i].parameters.push({key:s,value:c})}return t},n.groups=function(e){for(var t,n=[],r=0;r<e.length;r++)t=e[r].substr(8).split(" "),n.push({semantics:t.shift(),contents:t});return n},n.bandwidth=function(e){var t=e.substr(2).split(":"),n={};return n.type=t.shift(),n.bandwidth=t.shift(),n},n.msid=function(e){var t=e.substr(7),n=t.split(" ");return{msid:t,mslabel:n[0],label:n[1]}}},{}],57:[function(e,t){function n(e){return r.Buffer&&r.Buffer.isBuffer(e)||r.ArrayBuffer&&e instanceof ArrayBuffer}var r=self;t.exports=n},{}],49:[function(e,t){function n(e){return e?r(e):void 0}function r(e){for(var t in n.prototype)e[t]=n.prototype[t];return e}t.exports=n,n.prototype.on=n.prototype.addEventListener=function(e,t){return this._callbacks=this._callbacks||{},(this._callbacks[e]=this._callbacks[e]||[]).push(t),this},n.prototype.once=function(e,t){function n(){r.off(e,n),t.apply(this,arguments)}var r=this;return this._callbacks=this._callbacks||{},n.fn=t,this.on(e,n),this},n.prototype.off=n.prototype.removeListener=n.prototype.removeAllListeners=n.prototype.removeEventListener=function(e,t){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var n=this._callbacks[e];if(!n)return this;if(1==arguments.length)return delete this._callbacks[e],this;for(var r,o=0;o<n.length;o++)if(r=n[o],r===t||r.fn===t){n.splice(o,1);break}return this},n.prototype.emit=function(e){this._callbacks=this._callbacks||{};var t=[].slice.call(arguments,1),n=this._callbacks[e];if(n){n=n.slice(0);for(var r=0,o=n.length;o>r;++r)n[r].apply(this,t)}return this},n.prototype.listeners=function(e){return this._callbacks=this._callbacks||{},this._callbacks[e]||[]},n.prototype.hasListeners=function(e){return!!this.listeners(e).length}},{}],48:[function(e,t){var n=/^(?:(?![^:@]+:[^:@\/]*@)(http|https|ws|wss):\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?((?:[a-f0-9]{0,4}:){2,7}[a-f0-9]{0,4}|[^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,r=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];t.exports=function(e){for(var t=n.exec(e||""),o={},i=14;i--;)o[r[i]]=t[i]||"";return o}},{}],25:[function(e,t){function n(e){return{type:e.type,sdp:e.sdp}}function r(e){var t={label:e.id};return e.getAudioTracks().length&&(t.audio=e.getAudioTracks().map(function(e){return e.id})),e.getVideoTracks().length&&(t.video=e.getVideoTracks().map(function(e){return e.id})),t}function o(e,t){var n=this;a.call(this),this.peerconnection=new window.RTCPeerConnection(e,t),this.trace=function(e,t){n.emit("PeerConnectionTrace",{time:new Date,type:e,value:t||""})},this.onicecandidate=null,this.peerconnection.onicecandidate=function(e){n.trace("onicecandidate",e.candidate),null!==n.onicecandidate&&n.onicecandidate(e)},this.onaddstream=null,this.peerconnection.onaddstream=function(e){n.trace("onaddstream",r(e.stream)),null!==n.onaddstream&&n.onaddstream(e)},this.onremovestream=null,this.peerconnection.onremovestream=function(e){n.trace("onremovestream",r(e.stream)),null!==n.onremovestream&&n.onremovestream(e)},this.onsignalingstatechange=null,this.peerconnection.onsignalingstatechange=function(e){n.trace("onsignalingstatechange",n.signalingState),null!==n.onsignalingstatechange&&n.onsignalingstatechange(e)},this.oniceconnectionstatechange=null,this.peerconnection.oniceconnectionstatechange=function(e){n.trace("oniceconnectionstatechange",n.iceConnectionState),null!==n.oniceconnectionstatechange&&n.oniceconnectionstatechange(e)},this.onnegotiationneeded=null,this.peerconnection.onnegotiationneeded=function(e){n.trace("onnegotiationneeded"),null!==n.onnegotiationneeded&&n.onnegotiationneeded(e)},n.ondatachannel=null,this.peerconnection.ondatachannel=function(e){n.trace("ondatachannel",e),null!==n.ondatachannel&&n.ondatachannel(e)},this.getLocalStreams=this.peerconnection.getLocalStreams.bind(this.peerconnection),this.getRemoteStreams=this.peerconnection.getRemoteStreams.bind(this.peerconnection)}var i=e("util");e("webrtc-adapter-test");var a=e("wildemitter");i.inherits(o,a),["signalingState","iceConnectionState","localDescription","remoteDescription"].forEach(function(e){Object.defineProperty(o.prototype,e,{get:function(){return this.peerconnection[e]}})}),o.prototype.addStream=function(e){this.trace("addStream",r(e)),this.peerconnection.addStream(e)},o.prototype.removeStream=function(e){this.trace("removeStream",r(e)),this.peerconnection.removeStream(e)},o.prototype.createDataChannel=function(e,t){return this.trace("createDataChannel",e,t),this.peerconnection.createDataChannel(e,t)},o.prototype.setLocalDescription=function(e,t,r){var o=this;this.trace("setLocalDescription",n(e)),this.peerconnection.setLocalDescription(e,function(){o.trace("setLocalDescriptionOnSuccess"),t&&t()},function(e){o.trace("setLocalDescriptionOnFailure",e),r&&r(e)})},o.prototype.setRemoteDescription=function(e,t,r){var o=this;this.trace("setRemoteDescription",n(e)),this.peerconnection.setRemoteDescription(e,function(){o.trace("setRemoteDescriptionOnSuccess"),t&&t()},function(e){o.trace("setRemoteDescriptionOnFailure",e),r&&r(e)})},o.prototype.close=function(){this.trace("stop"),"closed"!=this.peerconnection.signalingState&&this.peerconnection.close()},o.prototype.createOffer=function(e,t,r){var o=this;this.trace("createOffer",r),this.peerconnection.createOffer(function(t){o.trace("createOfferOnSuccess",n(t)),e&&e(t)},function(e){o.trace("createOfferOnFailure",e),t&&t(e)},r)},o.prototype.createAnswer=function(e,t,r){var o=this;this.trace("createAnswer",r),this.peerconnection.createAnswer(function(t){o.trace("createAnswerOnSuccess",n(t)),e&&e(t)},function(e){o.trace("createAnswerOnFailure",e),t&&t(e)},r)},o.prototype.addIceCandidate=function(e,t,n){var r=this;this.trace("addIceCandidate",e),this.peerconnection.addIceCandidate(e,function(){t&&t()},function(e){r.trace("addIceCandidateOnFailure",e),n&&n(e)})},o.prototype.getStats=function(){this.peerconnection.getStats.apply(this.peerconnection,arguments)},t.exports=o},{util:8,"webrtc-adapter-test":23,wildemitter:5}],51:[function(e,t){var n=[].slice;t.exports=function(e,t){if("string"==typeof t&&(t=e[t]),"function"!=typeof t)throw new Error("bind() requires a function");var r=n.call(arguments,2);return function(){return t.apply(e,r.concat(n.call(arguments)))}}},{}],52:[function(e,t,n){var r=Object.prototype.hasOwnProperty;n.keys=Object.keys||function(e){var t=[];for(var n in e)r.call(e,n)&&t.push(n);return t},n.values=function(e){var t=[];for(var n in e)r.call(e,n)&&t.push(e[n]);return t},n.merge=function(e,t){for(var n in t)r.call(t,n)&&(e[n]=t[n]);return e},n.length=function(e){return n.keys(e).length},n.isEmpty=function(e){return 0==n.length(e)}},{}],53:[function(e,t){var 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s,c=/\n/g,u=/\\n/g;a(r,i),r.prototype.supportsBinary=!1,r.prototype.doClose=function(){this.script&&(this.script.parentNode.removeChild(this.script),this.script=null),this.form&&(this.form.parentNode.removeChild(this.form),this.form=null,this.iframe=null),i.prototype.doClose.call(this)},r.prototype.doPoll=function(){var e=this,t=document.createElement("script");this.script&&(this.script.parentNode.removeChild(this.script),this.script=null),t.async=!0,t.src=this.uri(),t.onerror=function(t){e.onError("jsonp poll error",t)};var n=document.getElementsByTagName("script")[0];n.parentNode.insertBefore(t,n),this.script=t;var r="undefined"!=typeof navigator&&/gecko/i.test(navigator.userAgent);r&&setTimeout(function(){var e=document.createElement("iframe");document.body.appendChild(e),document.body.removeChild(e)},100)},r.prototype.doWrite=function(e,t){function n(){r(),t()}function r(){if(o.iframe)try{o.form.removeChild(o.iframe)}catch(e){o.onError("jsonp polling iframe removal 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t=e&&e.forceBase64;t&&(this.supportsBinary=!1),r.call(this,e)}var r=e("../transport"),o=e("engine.io-parser"),i=e("parseqs"),a=e("component-inherit"),s=e("debug")("engine.io-client:websocket"),c=e("ws");t.exports=n,a(n,r),n.prototype.name="websocket",n.prototype.supportsBinary=!0,n.prototype.doOpen=function(){if(this.check()){var e=this.uri(),t=void 0,n={agent:this.agent};n.pfx=this.pfx,n.key=this.key,n.passphrase=this.passphrase,n.cert=this.cert,n.ca=this.ca,n.ciphers=this.ciphers,n.rejectUnauthorized=this.rejectUnauthorized,this.ws=new c(e,t,n),void 0===this.ws.binaryType&&(this.supportsBinary=!1),this.ws.binaryType="arraybuffer",this.addEventListeners()}},n.prototype.addEventListeners=function(){var e=this;this.ws.onopen=function(){e.onOpen()},this.ws.onclose=function(){e.onClose()},this.ws.onmessage=function(t){e.onData(t.data)},this.ws.onerror=function(t){e.onError("websocket error",t)}},"undefined"!=typeof navigator&&/iPad|iPhone|iPod/i.test(navigator.userAgent)&&(n.prototype.onData=function(e){var t=this;setTimeout(function(){r.prototype.onData.call(t,e)},0)}),n.prototype.write=function(e){function t(){n.writable=!0,n.emit("drain")}var n=this;this.writable=!1;for(var r=0,i=e.length;i>r;r++)o.encodePacket(e[r],this.supportsBinary,function(e){try{n.ws.send(e)}catch(t){s("websocket closed before onclose event")}});setTimeout(t,0)},n.prototype.onClose=function(){r.prototype.onClose.call(this)},n.prototype.doClose=function(){"undefined"!=typeof this.ws&&this.ws.close()},n.prototype.uri=function(){var e=this.query||{},t=this.secure?"wss":"ws",n="";return this.port&&("wss"==t&&443!=this.port||"ws"==t&&80!=this.port)&&(n=":"+this.port),this.timestampRequests&&(e[this.timestampParam]=+new Date),this.supportsBinary||(e.b64=1),e=i.encode(e),e.length&&(e="?"+e),t+"://"+this.hostname+n+this.path+e},n.prototype.check=function(){return!(!c||"__initialize"in c&&this.name===n.prototype.name)}},{"../transport":85,"component-inherit":98,debug:86,"engine.io-parser":72,parseqs:84,ws:99}],99:[function(e,t){function n(e,t){var n;return n=t?new o(e,t):new o(e)}var r=function(){return this}(),o=r.WebSocket||r.MozWebSocket;t.exports=o?n:null,o&&(n.prototype=o.prototype)},{}],77:[function(e,t){function n(){}function r(e){if(c.call(this,e),a.location){var t="https:"==location.protocol,n=location.port;n||(n=t?443:80),this.xd=e.hostname!=a.location.hostname||n!=e.port,this.xs=e.secure!=t}}function o(e){this.method=e.method||"GET",this.uri=e.uri,this.xd=!!e.xd,this.xs=!!e.xs,this.async=!1!==e.async,this.data=void 0!=e.data?e.data:null,this.agent=e.agent,this.isBinary=e.isBinary,this.supportsBinary=e.supportsBinary,this.enablesXDR=e.enablesXDR,this.pfx=e.pfx,this.key=e.key,this.passphrase=e.passphrase,this.cert=e.cert,this.ca=e.ca,this.ciphers=e.ciphers,this.rejectUnauthorized=e.rejectUnauthorized,this.create()}function i(){for(var e in o.requests)o.requests.hasOwnProperty(e)&&o.requests[e].abort()}var a=self,s=e("xmlhttprequest"),c=e("./polling"),u=e("component-emitter"),p=e("component-inherit"),d=e("debug")("engine.io-client:polling-xhr");t.exports=r,t.exports.Request=o,p(r,c),r.prototype.supportsBinary=!0,r.prototype.request=function(e){return e=e||{},e.uri=this.uri(),e.xd=this.xd,e.xs=this.xs,e.agent=this.agent||!1,e.supportsBinary=this.supportsBinary,e.enablesXDR=this.enablesXDR,e.pfx=this.pfx,e.key=this.key,e.passphrase=this.passphrase,e.cert=this.cert,e.ca=this.ca,e.ciphers=this.ciphers,e.rejectUnauthorized=this.rejectUnauthorized,new o(e)},r.prototype.doWrite=function(e,t){var n="string"!=typeof e&&void 0!==e,r=this.request({method:"POST",data:e,isBinary:n}),o=this;r.on("success",t),r.on("error",function(e){o.onError("xhr post error",e)}),this.sendXhr=r},r.prototype.doPoll=function(){d("xhr poll");var e=this.request(),t=this;e.on("data",function(e){t.onData(e)}),e.on("error",function(e){t.onError("xhr poll 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setTimeout(function(){n.onError(r)},0),void 0}a.document&&(this.index=o.requestsCount++,o.requests[this.index]=this)},o.prototype.onSuccess=function(){this.emit("success"),this.cleanup()},o.prototype.onData=function(e){this.emit("data",e),this.onSuccess()},o.prototype.onError=function(e){this.emit("error",e),this.cleanup(!0)},o.prototype.cleanup=function(e){if("undefined"!=typeof this.xhr&&null!==this.xhr){if(this.hasXDR()?this.xhr.onload=this.xhr.onerror=n:this.xhr.onreadystatechange=n,e)try{this.xhr.abort()}catch(t){}a.document&&delete o.requests[this.index],this.xhr=null}},o.prototype.onLoad=function(){var e;try{var t;try{t=this.xhr.getResponseHeader("Content-Type").split(";")[0]}catch(n){}e="application/octet-stream"===t?this.xhr.response:this.supportsBinary?"ok":this.xhr.responseText}catch(n){this.onError(n)}null!=e&&this.onData(e)},o.prototype.hasXDR=function(){return"undefined"!=typeof a.XDomainRequest&&!this.xs&&this.enablesXDR},o.prototype.abort=function(){this.cleanup()},a.document&&(o.requestsCount=0,o.requests={},a.attachEvent?a.attachEvent("onunload",i):a.addEventListener&&a.addEventListener("beforeunload",i,!1))},{"./polling":97,"component-emitter":49,"component-inherit":98,debug:86,xmlhttprequest:76}],98:[function(e,t){t.exports=function(e,t){var n=function(){};n.prototype=t.prototype,e.prototype=new n,e.prototype.constructor=e}},{}],95:[function(e,t){var n=e("global");try{t.exports="XMLHttpRequest"in n&&"withCredentials"in new n.XMLHttpRequest}catch(r){t.exports=!1}},{global:100}],100:[function(e,t){t.exports=function(){return this}()},{}],97:[function(e,t){function n(e){var t=e&&e.forceBase64;(!c||t)&&(this.supportsBinary=!1),r.call(this,e)}var r=e("../transport"),o=e("parseqs"),i=e("engine.io-parser"),a=e("component-inherit"),s=e("debug")("engine.io-client:polling");t.exports=n;var c=function(){var t=e("xmlhttprequest"),n=new t({xdomain:!1});return null!=n.responseType}();a(n,r),n.prototype.name="polling",n.prototype.doOpen=function(){this.poll()},n.prototype.pause=function(e){function t(){s("paused"),n.readyState="paused",e()}var n=this;if(this.readyState="pausing",this.polling||!this.writable){var r=0;this.polling&&(s("we are currently polling - waiting to pause"),r++,this.once("pollComplete",function(){s("pre-pause polling complete"),--r||t()})),this.writable||(s("we are currently writing - waiting to pause"),r++,this.once("drain",function(){s("pre-pause writing complete"),--r||t()}))}else t()},n.prototype.poll=function(){s("polling"),this.polling=!0,this.doPoll(),this.emit("poll")},n.prototype.onData=function(e){var t=this;s("polling got data %s",e);var n=function(e){return"opening"==t.readyState&&t.onOpen(),"close"==e.type?(t.onClose(),!1):(t.onPacket(e),void 0)};i.decodePayload(e,this.socket.binaryType,n),"closed"!=this.readyState&&(this.polling=!1,this.emit("pollComplete"),"open"==this.readyState?this.poll():s('ignoring poll - transport state "%s"',this.readyState))},n.prototype.doClose=function(){function e(){s("writing close packet"),t.write([{type:"close"}])}var t=this;"open"==this.readyState?(s("transport open - closing"),e()):(s("transport not open - deferring close"),this.once("open",e))},n.prototype.write=function(e){var t=this;this.writable=!1;var n=function(){t.writable=!0,t.emit("drain")},t=this;i.encodePayload(e,this.supportsBinary,function(e){t.doWrite(e,n)})},n.prototype.uri=function(){var e=this.query||{},t=this.secure?"https":"http",n="";return!1!==this.timestampRequests&&(e[this.timestampParam]=+new Date+"-"+r.timestamps++),this.supportsBinary||e.sid||(e.b64=1),e=o.encode(e),this.port&&("https"==t&&443!=this.port||"http"==t&&80!=this.port)&&(n=":"+this.port),e.length&&(e="?"+e),t+"://"+this.hostname+n+this.path+e}},{"../transport":85,"component-inherit":98,debug:86,"engine.io-parser":72,parseqs:84,xmlhttprequest:76}]},{},[1])(1)});