peerjs/dist/peerjs.min.js

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t=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){if(arguments.length>0&&arguments[0]instanceof e.MediaStreamTrack){let e,t,n;let r=arguments[0];return(this.getSenders().forEach(t=>{t.track===r&&(e?n=!0:e=t)}),this.getReceivers().forEach(e=>(e.track===r&&(t?n=!0:t=e),e.track===r)),n||e&&t)?Promise.reject(new DOMException("There are more than one sender or receiver for the track.","InvalidAccessError")):e?e.getStats():t?t.getStats():Promise.reject(new DOMException("There is no sender or receiver for the track.","InvalidAccessError"))}return t.apply(this,arguments)}}function $(e){e.RTCPeerConnection.prototype.getLocalStreams=function(){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},Object.keys(this._shimmedLocalStreams).map(e=>this._shimmedLocalStreams[e][0])};let t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,n){if(!n)return t.apply(this,arguments);this._shimmedLocalStreams=this._shimmedLocalStreams||{};let r=t.apply(this,arguments);return this._shimmedLocalStreams[n.id]?-1===this._shimmedLocalStreams[n.id].indexOf(r)&&this._shimmedLocalStreams[n.id].push(r):this._shimmedLocalStreams[n.id]=[n,r],r};let n=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){this._shimmedLocalStreams=this._shimmedLocalStreams||{},e.getTracks().forEach(e=>{if(this.getSenders().find(t=>t.track===e))throw new DOMException("Track already exists.","InvalidAccessError")});let t=this.getSenders();n.apply(this,arguments);let r=this.getSenders().filter(e=>-1===t.indexOf(e));this._shimmedLocalStreams[e.id]=[e].concat(r)};let r=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},delete this._shimmedLocalStreams[e.id],r.apply(this,arguments)};let i=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},e&&Object.keys(this._shimmedLocalStreams).forEach(t=>{let n=this._shimmedLocalStreams[t].indexOf(e);-1!==n&&this._shimmedLocalStreams[t].splice(n,1),1===this._shimmedLocalStreams[t].length&&delete this._shimmedLocalStreams[t]}),i.apply(this,arguments)}}function J(e,t){if(!e.RTCPeerConnection)return;if(e.RTCPeerConnection.prototype.addTrack&&t.version>=65)return $(e);let n=e.RTCPeerConnection.prototype.getLocalStreams;e.RTCPeerConnection.prototype.getLocalStreams=function(){let e=n.apply(this);return this._reverseStreams=this._reverseStreams||{},e.map(e=>this._reverseStreams[e.id])};let r=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(t){if(this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},t.getTracks().forEach(e=>{if(this.getSenders().find(t=>t.track===e))throw new DOMException("Track already exists.","InvalidAccessError")}),!this._reverseStreams[t.id]){let n=new e.MediaStream(t.getTracks());this._streams[t.id]=n,this._reverseStreams[n.id]=t,t=n}r.apply(this,[t])};let i=e.RTCPeerConnection.prototype.removeStream;function o(e,t){let n=t.sdp;return Object.keys(e._reverseStreams||[]).forEach(t=>{let r=e._reverseStreams[t],i=e._streams[r.id];n=n.replace(RegExp(i.id,"g"),r.id)}),new RTCSessionDescription({type:t.type,sdp:n})}e.RTCPeerConnection.prototype.removeStream=function(e){this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},i.apply(this,[this._streams[e.id]||e]),delete this._reverseStreams[this._streams[e.id]?this._streams[e.id].id:e.id],delete this._streams[e.id]},e.RTCPeerConnection.prototype.addTrack=function(t,n){if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");let r=[].slice.call(arguments,1);if(1!==r.length||!r[0].getTracks().find(e=>e===t))throw new DOMException("The adapter.js addTrack polyfill only supports a single  stream which is associated with the specified track.","NotSupportedError");if(this.getSenders().find(e=>e.track===t))throw new DOMException("Track already exists.","InvalidAccessError");this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{};let i=this._streams[n.id];if(i)i.addTrack(t),Promise.resolve().then(()=>{this.dispatchEvent(new Event("negotiationneeded"))});else{let r=new e.MediaStream([t]);this._streams[n.id]=r,this._reverseStreams[r.id]=n,this.addStream(r)}return this.getSenders().find(e=>e.track===t)},["createOffer","createAnswer"].forEach(function(t){let n=e.RTCPeerConnection.prototype[t];e.RTCPeerConnection.prototype[t]=({[t](){let e=arguments,t=arguments.length&&"function"==typeof arguments[0];return t?n.apply(this,[t=>{let n=o(this,t);e[0].apply(null,[n])},t=>{e[1]&&e[1].apply(null,t)},arguments[2]]):n.apply(this,arguments).then(e=>o(this,e))}})[t]});let s=e.RTCPeerConnection.prototype.setLocalDescription;e.RTCPeerConnection.prototype.setLocalDescription=function(){var e,t;let n;return arguments.length&&arguments[0].type&&(arguments[0]=(e=this,t=arguments[0],n=t.sdp,Object.keys(e._reverseStreams||[]).forEach(t=>{let r=e._reverseStreams[t],i=e._streams[r.id];n=n.replace(RegExp(r.id,"g"),i.id)}),new RTCSessionDescription({type:t.type,sdp:n}))),s.apply(this,arguments)};let a=Object.getOwnPropertyDescriptor(e.RTCPeerConnection.prototype,"localDescription");Object.defineProperty(e.RTCPeerConnection.prototype,"localDescription",{get(){let 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W={};function H(e,t){let n=e&&e.navigator,r=e&&e.MediaStreamTrack;if(n.getUserMedia=function(e,t,r){m("navigator.getUserMedia","navigator.mediaDevices.getUserMedia"),n.mediaDevices.getUserMedia(e).then(t,r)},!(t.version>55&&"autoGainControl"in n.mediaDevices.getSupportedConstraints())){let e=function(e,t,n){t in e&&!(n in e)&&(e[n]=e[t],delete e[t])},t=n.mediaDevices.getUserMedia.bind(n.mediaDevices);if(n.mediaDevices.getUserMedia=function(n){return"object"==typeof n&&"object"==typeof n.audio&&(e((n=JSON.parse(JSON.stringify(n))).audio,"autoGainControl","mozAutoGainControl"),e(n.audio,"noiseSuppression","mozNoiseSuppression")),t(n)},r&&r.prototype.getSettings){let t=r.prototype.getSettings;r.prototype.getSettings=function(){let n=t.apply(this,arguments);return e(n,"mozAutoGainControl","autoGainControl"),e(n,"mozNoiseSuppression","noiseSuppression"),n}}if(r&&r.prototype.applyConstraints){let 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q(e){if(!("object"==typeof e&&e.RTCPeerConnection&&e.RTCRtpSender)||e.RTCRtpSender&&"getStats"in e.RTCRtpSender.prototype)return;let t=e.RTCPeerConnection.prototype.getSenders;t&&(e.RTCPeerConnection.prototype.getSenders=function(){let e=t.apply(this,[]);return e.forEach(e=>e._pc=this),e});let n=e.RTCPeerConnection.prototype.addTrack;n&&(e.RTCPeerConnection.prototype.addTrack=function(){let e=n.apply(this,arguments);return e._pc=this,e}),e.RTCRtpSender.prototype.getStats=function(){return this.track?this._pc.getStats(this.track):Promise.resolve(new Map)}}function Q(e){if(!("object"==typeof e&&e.RTCPeerConnection&&e.RTCRtpSender)||e.RTCRtpSender&&"getStats"in e.RTCRtpReceiver.prototype)return;let t=e.RTCPeerConnection.prototype.getReceivers;t&&(e.RTCPeerConnection.prototype.getReceivers=function(){let e=t.apply(this,[]);return e.forEach(e=>e._pc=this),e}),d(e,"track",e=>(e.receiver._pc=e.srcElement,e)),e.RTCRtpReceiver.prototype.getStats=function(){return 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es(e){if("object"==typeof e&&e.RTCPeerConnection){if("getLocalStreams"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.getLocalStreams=function(){return this._localStreams||(this._localStreams=[]),this._localStreams}),!("addStream"in e.RTCPeerConnection.prototype)){let t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addStream=function(e){this._localStreams||(this._localStreams=[]),this._localStreams.includes(e)||this._localStreams.push(e),e.getAudioTracks().forEach(n=>t.call(this,n,e)),e.getVideoTracks().forEach(n=>t.call(this,n,e))},e.RTCPeerConnection.prototype.addTrack=function(e,...n){return n&&n.forEach(e=>{this._localStreams?this._localStreams.includes(e)||this._localStreams.push(e):this._localStreams=[e]}),t.apply(this,arguments)}}"removeStream"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.removeStream=function(e){this._localStreams||(this._localStreams=[]);let t=this._localStreams.indexOf(e);if(-1===t)return;this._localStreams.splice(t,1);let n=e.getTracks();this.getSenders().forEach(e=>{n.includes(e.track)&&this.removeTrack(e)})})}}function ea(e){if("object"==typeof e&&e.RTCPeerConnection&&("getRemoteStreams"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[]}),!("onaddstream"in e.RTCPeerConnection.prototype))){Object.defineProperty(e.RTCPeerConnection.prototype,"onaddstream",{get(){return this._onaddstream},set(e){this._onaddstream&&(this.removeEventListener("addstream",this._onaddstream),this.removeEventListener("track",this._onaddstreampoly)),this.addEventListener("addstream",this._onaddstream=e),this.addEventListener("track",this._onaddstreampoly=e=>{e.streams.forEach(e=>{if(this._remoteStreams||(this._remoteStreams=[]),this._remoteStreams.includes(e))return;this._remoteStreams.push(e);let t=new Event("addstream");t.stream=e,this.dispatchEvent(t)})})}});let t=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){let e=this;return this._onaddstreampoly||this.addEventListener("track",this._onaddstreampoly=function(t){t.streams.forEach(t=>{if(e._remoteStreams||(e._remoteStreams=[]),e._remoteStreams.indexOf(t)>=0)return;e._remoteStreams.push(t);let n=new Event("addstream");n.stream=t,e.dispatchEvent(n)})}),t.apply(e,arguments)}}}function ec(e){if("object"!=typeof e||!e.RTCPeerConnection)return;let t=e.RTCPeerConnection.prototype,n=t.createOffer,r=t.createAnswer,i=t.setLocalDescription,o=t.setRemoteDescription,s=t.addIceCandidate;t.createOffer=function(e,t){let r=arguments.length>=2?arguments[2]:arguments[0],i=n.apply(this,[r]);return t?(i.then(e,t),Promise.resolve()):i},t.createAnswer=function(e,t){let n=arguments.length>=2?arguments[2]:arguments[0],i=r.apply(this,[n]);return t?(i.then(e,t),Promise.resolve()):i};let a=function(e,t,n){let r=i.apply(this,[e]);return n?(r.then(t,n),Promise.resolve()):r};t.setLocalDescription=a,a=function(e,t,n){let r=o.apply(this,[e]);return n?(r.then(t,n),Promise.resolve()):r},t.setRemoteDescription=a,a=function(e,t,n){let r=s.apply(this,[e]);return n?(r.then(t,n),Promise.resolve()):r},t.addIceCandidate=a}function el(e){let t=e&&e.navigator;if(t.mediaDevices&&t.mediaDevices.getUserMedia){let e=t.mediaDevices,n=e.getUserMedia.bind(e);t.mediaDevices.getUserMedia=e=>n(ep(e))}!t.getUserMedia&&t.mediaDevices&&t.mediaDevices.getUserMedia&&(t.getUserMedia=(function(e,n,r){t.mediaDevices.getUserMedia(e).then(n,r)}).bind(t))}function ep(e){return e&&void 0!==e.video?Object.assign({},e,{video:function e(t){return g(t)?Object.keys(t).reduce(function(n,r){let i=g(t[r]),o=i?e(t[r]):t[r],s=i&&!Object.keys(o).length;return void 0===o||s?n:Object.assign(n,{[r]:o})},{}):t}(e.video)}):e}function ed(e){if(!e.RTCPeerConnection)return;let t=e.RTCPeerConnection;e.RTCPeerConnection=function(e,n){if(e&&e.iceServers){let t=[];for(let n=0;n<e.iceServers.length;n++){let r=e.iceServers[n];void 0===r.urls&&r.url?(m("RTCIceServer.url","RTCIceServer.urls"),(r=JSON.parse(JSON.stringify(r))).urls=r.url,delete r.url,t.push(r)):t.push(e.iceServers[n])}e.iceServers=t}return new t(e,n)},e.RTCPeerConnection.prototype=t.prototype,"generateCertificate"in t&&Object.defineProperty(e.RTCPeerConnection,"generateCertificate",{get:()=>t.generateCertificate})}function eh(e){"object"==typeof e&&e.RTCTrackEvent&&"receiver"in e.RTCTrackEvent.prototype&&!("transceiver"in e.RTCTrackEvent.prototype)&&Object.defineProperty(e.RTCTrackEvent.prototype,"transceiver",{get(){return{receiver:this.receiver}}})}function eu(e){let t=e.RTCPeerConnection.prototype.createOffer;e.RTCPeerConnection.prototype.createOffer=function(e){if(e){void 0!==e.offerToReceiveAudio&&(e.offerToReceiveAudio=!!e.offerToReceiveAudio);let 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to "+t),this.connection.emitError(D.NegotiationFailed,"Negotiation of connection to "+t+" failed."),this.connection.close();break;case"closed":eO.log("iceConnectionState is closed, closing connections to "+t),this.connection.emitError(D.ConnectionClosed,"Connection to "+t+" closed."),this.connection.close();break;case"disconnected":eO.log("iceConnectionState changed to disconnected on the connection with "+t);break;case"completed":e.onicecandidate=()=>{}}this.connection.emit("iceStateChanged",e.iceConnectionState)},eO.log("Listening for data channel"),e.ondatachannel=e=>{eO.log("Received data channel");let r=e.channel;i.getConnection(t,n)._initializeDataChannel(r)},eO.log("Listening for remote stream"),e.ontrack=e=>{eO.log("Received remote stream");let r=e.streams[0],o=i.getConnection(t,n);o.type===P.Media&&this._addStreamToMediaConnection(r,o)}}cleanup(){eO.log("Cleaning up PeerConnection to "+this.connection.peer);let e=this.connection.peerConnection;if(!e)return;this.connection.peerConnection=null,e.onicecandidate=e.oniceconnectionstatechange=e.ondatachannel=e.ontrack=()=>{};let t="closed"!==e.signalingState,n=!1,r=this.connection.dataChannel;r&&(n=!!r.readyState&&"closed"!==r.readyState),(t||n)&&e.close()}async _makeOffer(){let e=this.connection.peerConnection,t=this.connection.provider;try{let n=await e.createOffer(this.connection.options.constraints);eO.log("Created offer."),this.connection.options.sdpTransform&&"function"==typeof this.connection.options.sdpTransform&&(n.sdp=this.connection.options.sdpTransform(n.sdp)||n.sdp);try{await e.setLocalDescription(n),eO.log("Set localDescription:",n,`for:${this.connection.peer}`);let r={sdp:n,type:this.connection.type,connectionId:this.connection.connectionId,metadata:this.connection.metadata};if(this.connection.type===P.Data){let e=this.connection;r={...r,label:e.label,reliable:e.reliable,serialization:e.serialization}}t.socket.send({type:O.Offer,payload:r,dst:this.connection.peer})}catch(e){"OperationError: Failed to set local offer sdp: Called in wrong state: kHaveRemoteOffer"!=e&&(t.emitError(E.WebRTC,e),eO.log("Failed to setLocalDescription, ",e))}}catch(e){t.emitError(E.WebRTC,e),eO.log("Failed to createOffer, ",e)}}async _makeAnswer(){let e=this.connection.peerConnection,t=this.connection.provider;try{let n=await e.createAnswer();eO.log("Created answer."),this.connection.options.sdpTransform&&"function"==typeof this.connection.options.sdpTransform&&(n.sdp=this.connection.options.sdpTransform(n.sdp)||n.sdp);try{await e.setLocalDescription(n),eO.log("Set localDescription:",n,`for:${this.connection.peer}`),t.socket.send({type:O.Answer,payload:{sdp:n,type:this.connection.type,connectionId:this.connection.connectionId},dst:this.connection.peer})}catch(e){t.emitError(E.WebRTC,e),eO.log("Failed to setLocalDescription, ",e)}}catch(e){t.emitError(E.WebRTC,e),eO.log("Failed to create answer, ",e)}}async handleSDP(e,t){t=new RTCSessionDescription(t);let n=this.connection.peerConnection,r=this.connection.provider;eO.log("Setting remote description",t);try{await n.setRemoteDescription(t),eO.log(`Set remoteDescription:${e} for:${this.connection.peer}`),"OFFER"===e&&await this._makeAnswer()}catch(e){r.emitError(E.WebRTC,e),eO.log("Failed to setRemoteDescription, ",e)}}async handleCandidate(e){eO.log("handleCandidate:",e);try{await this.connection.peerConnection.addIceCandidate(e),eO.log(`Added ICE candidate for:${this.connection.peer}`)}catch(e){this.connection.provider.emitError(E.WebRTC,e),eO.log("Failed to handleCandidate, ",e)}}_addTracksToConnection(e,t){if(eO.log(`add tracks from stream ${e.id} to peer connection`),!t.addTrack)return eO.error("Your browser does't support RTCPeerConnection#addTrack. Ignored.");e.getTracks().forEach(n=>{t.addTrack(n,e)})}_addStreamToMediaConnection(e,t){eO.log(`add stream ${e.id} to media connection ${t.connectionId}`),t.addStream(e)}constructor(e){this.connection=e}}class eG extends ej.EventEmitter{emitError(e,t){eO.error("Error:",t),this.emit("error",new eW(`${e}`,t))}}class eW extends Error{constructor(e,t){"string"==typeof t?super(t):(super(),Object.assign(this,t)),this.type=e}}class eH extends eG{get open(){return this._open}constructor(e,t,n){super(),this.peer=e,this.provider=t,this.options=n,this._open=!1,this.metadata=n.metadata}}class eY extends eH{get type(){return P.Media}get localStream(){return this._localStream}get remoteStream(){return this._remoteStream}_initializeDataChannel(e){this.dataChannel=e,this.dataChannel.onopen=()=>{eO.log(`DC#${this.connectionId} dc connection success`),this.emit("willCloseOnRemote")},this.dataChannel.onclose=()=>{eO.log(`DC#${this.connectionId} dc closed for:`,this.peer),this.close()}}addStream(e){eO.log("Receiving stream",e),this._remoteStream=e,super.emit("stream",e)}handleMessage(e){let t=e.type,n=e.payload;switch(e.type){case O.Answer:this._negotiator.handleSDP(t,n.sdp),this._open=!0;break;case O.Candidate:this._negotiator.handleCandidate(n.candidate);break;default:eO.warn(`Unrecognized message type:${t} from peer:${this.peer}`)}}answer(e,t={}){if(this._localStream){eO.warn("Local stream already exists on this MediaConnection. Are you answering a call twice?");return}for(let n of(this._localStream=e,t&&t.sdpTransform&&(this.options.sdpTransform=t.sdpTransform),this._negotiator.startConnection({...this.options._payload,_stream:e}),this.provider._getMessages(this.connectionId)))this.handleMessage(n);this._open=!0}close(){this._negotiator&&(this._negotiator.cleanup(),this._negotiator=null),this._localStream=null,this._remoteStream=null,this.provider&&(this.provider._removeConnection(this),this.provider=null),this.options&&this.options._stream&&(this.options._stream=null),this.open&&(this._open=!1,super.emit("close"))}constructor(e,t,n){super(e,t,n),this._localStream=this.options._stream,this.connectionId=this.options.connectionId||eY.ID_PREFIX+eM.randomToken(),this._negotiator=new eV(this),this._localStream&&this._negotiator.startConnection({_stream:this._localStream,originator:!0})}}eY.ID_PREFIX="mc_";class eK{_buildRequest(e){let t=this._options.secure?"https":"http",{host:n,port:r,path:i,key:o}=this._options,s=new URL(`${t}://${n}:${r}${i}${o}/${e}`);return s.searchParams.set("ts",`${Date.now()}${Math.random()}`),s.searchParams.set("version",e$.version),fetch(s.href,{referrerPolicy:this._options.referrerPolicy})}async retrieveId(){try{let e=await this._buildRequest("id");if(200!==e.status)throw Error(`Error. Status:${e.status}`);return e.text()}catch(t){eO.error("Error retrieving ID",t);let e="";throw"/"===this._options.path&&this._options.host!==eM.CLOUD_HOST&&(e=" If you passed in a `path` to your self-hosted PeerServer, you'll also need to pass in that same path when creating a new Peer."),Error("Could not get an ID from the server."+e)}}async listAllPeers(){try{let e=await this._buildRequest("peers");if(200!==e.status){if(401===e.status){let e="";throw e=this._options.host===eM.CLOUD_HOST?"It looks like you're using the cloud server. You can email team@peerjs.com to enable peer listing for your API key.":"You need to enable `allow_discovery` on your self-hosted PeerServer to use this feature.",Error("It doesn't look like you have permission to list peers IDs. "+e)}throw Error(`Error. Status:${e.status}`)}return e.json()}catch(e){throw eO.error("Error retrieving list peers",e),Error("Could not get list peers from the server."+e)}}constructor(e){this._options=e}}class eX extends eH{get type(){return P.Data}_initializeDataChannel(e){this.dataChannel=e,this.dataChannel.onopen=()=>{eO.log(`DC#${this.connectionId} dc connection success`),this._open=!0,this.emit("open")},this.dataChannel.onmessage=e=>{eO.log(`DC#${this.connectionId} dc onmessage:`,e.data)},this.dataChannel.onclose=()=>{eO.log(`DC#${this.connectionId} dc closed for:`,this.peer),this.close()}}close(e){if(e?.flush){this.send({__peerData:{type:"close"}});return}this._negotiator&&(this._negotiator.cleanup(),this._negotiator=null),this.provider&&(this.provider._removeConnection(this),this.provider=null),this.dataChannel&&(this.dataChannel.onopen=null,this.dataChannel.onmessage=null,this.dataChannel.onclose=null,this.dataChannel=null),this.open&&(this._open=!1,super.emit("close"))}send(e,t=!1){if(!this.open){this.emitError(x.NotOpenYet,"Connection is not open. You should listen for the `open` event before sending messages.");return}return this._send(e,t)}async handleMessage(e){let t=e.payload;switch(e.type){case O.Answer:await this._negotiator.handleSDP(e.type,t.sdp);break;case O.Candidate:await this._negotiator.handleCandidate(t.candidate);break;default:eO.warn("Unrecognized message type:",e.type,"from peer:",this.peer)}}constructor(e,t,n){super(e,t,n),this.connectionId=this.options.connectionId||eX.ID_PREFIX+ex(),this.label=this.options.label||this.connectionId,this.reliable=!!this.options.reliable,this._negotiator=new eV(this),this._negotiator.startConnection(this.options._payload||{originator:!0,reliable:this.reliable})}}eX.ID_PREFIX="dc_",eX.MAX_BUFFERED_AMOUNT=8388608;class eq extends eX{get bufferSize(){return this._bufferSize}_initializeDataChannel(e){super._initializeDataChannel(e),this.dataChannel.binaryType="arraybuffer",this.dataChannel.addEventListener("message",e=>this._handleDataMessage(e))}_bufferedSend(e){(this._buffering||!this._trySend(e))&&(this._buffer.push(e),this._bufferSize=this._buffer.length)}_trySend(e){if(!this.open)return!1;if(this.dataChannel.bufferedAmount>eX.MAX_BUFFERED_AMOUNT)return this._buffering=!0,setTimeout(()=>{this._buffering=!1,this._tryBuffer()},50),!1;try{this.dataChannel.send(e)}catch(e){return eO.error(`DC#:${this.connectionId} Error when sending:`,e),this._buffering=!0,this.close(),!1}return!0}_tryBuffer(){if(!this.open||0===this._buffer.length)return;let e=this._buffer[0];this._trySend(e)&&(this._buffer.shift(),this._bufferSize=this._buffer.length,this._tryBuffer())}close(e){if(e?.flush){this.send({__peerData:{type:"close"}});return}this._buffer=[],this._bufferSize=0,super.close()}constructor(...e){super(...e),this._buffer=[],this._bufferSize=0,this._buffering=!1}}class eQ extends eq{close(e){super.close(e),this._chunkedData={}}_handleDataMessage({data:e}){let t=i(e),n=t.__peerData;if(n){if("close"===n.type){this.close();return}this._handleChunk(t);return}this.emit("data",t)}_handleChunk(e){let t=e.__peerData,n=this._chunkedData[t]||{data:[],count:0,total:e.total};if(n.data[e.n]=new Uint8Array(e.data),n.count++,this._chunkedData[t]=n,n.total===n.count){delete this._chunkedData[t];let e=function(e){let t=0;for(let n of e)t+=n.byteLength;let n=new Uint8Array(t),r=0;for(let t of e)n.set(t,r),r+=t.byteLength;return n}(n.data);this._handleDataMessage({data:e})}}_send(e,t){let n=o(e);if(n instanceof Promise)return this._send_blob(n);if(!t&&n.byteLength>this.chunker.chunkedMTU){this._sendChunks(n);return}this._bufferedSend(n)}async _send_blob(e){let t=await e;if(t.byteLength>this.chunker.chunkedMTU){this._sendChunks(t);return}this._bufferedSend(t)}_sendChunks(e){let t=this.chunker.chunk(e);for(let e of(eO.log(`DC#${this.connectionId} Try to send ${t.length} chunks...`),t))this.send(e,!0)}constructor(e,t,r){super(e,t,r),this.chunker=new n,this.serialization=I.Binary,this._chunkedData={}}}class eZ extends eq{_handleDataMessage({data:e}){super.emit("data",e)}_send(e,t){this._bufferedSend(e)}constructor(...e){super(...e),this.serialization=I.None}}class e0 extends eq{_handleDataMessage({data:e}){let t=this.parse(this.decoder.decode(e)),n=t.__peerData;if(n&&"close"===n.type){this.close();return}this.emit("data",t)}_send(e,t){let n=this.encoder.encode(this.stringify(e));if(n.byteLength>=eM.chunkedMTU){this.emitError(x.MessageToBig,"Message too big for JSON channel");return}this._bufferedSend(n)}constructor(...e){super(...e),this.serialization=I.JSON,this.encoder=new TextEncoder,this.decoder=new TextDecoder,this.stringify=JSON.stringify,this.parse=JSON.parse}}class e1 extends eG{get id(){return this._id}get options(){return this._options}get open(){return this._open}get socket(){return this._socket}get connections(){let e=Object.create(null);for(let[t,n]of this._connections)e[t]=n;return e}get destroyed(){return this._destroyed}get disconnected(){return this._disconnected}_createServerConnection(){let e=new eJ(this._options.secure,this._options.host,this._options.port,this._options.path,this._options.key,this._options.pingInterval);return e.on(M.Message,e=>{this._handleMessage(e)}),e.on(M.Error,e=>{this._abort(E.SocketError,e)}),e.on(M.Disconnected,()=>{this.disconnected||(this.emitError(E.Network,"Lost connection to server."),this.disconnect())}),e.on(M.Close,()=>{this.disconnected||this._abort(E.SocketClosed,"Underlying socket is already closed.")}),e}_initialize(e){this._id=e,this.socket.start(e,this._options.token)}_handleMessage(e){let t=e.type,n=e.payload,r=e.src;switch(t){case O.Open:this._lastServerId=this.id,this._open=!0,this.emit("open",this.id);break;case O.Error:this._abort(E.ServerError,n.msg);break;case O.IdTaken:this._abort(E.UnavailableID,`ID "${this.id}" is taken`);break;case O.InvalidKey:this._abort(E.InvalidKey,`API KEY "${this._options.key}" is invalid`);break;case O.Leave:eO.log(`Received leave message from ${r}`),this._cleanupPeer(r),this._connections.delete(r);break;case O.Expire:this.emitError(E.PeerUnavailable,`Could not connect to peer ${r}`);break;case O.Offer:{let e=n.connectionId,t=this.getConnection(r,e);if(t&&(t.close(),eO.warn(`Offer received for existing Connection ID:${e}`)),n.type===P.Media){let i=new eY(r,this,{connectionId:e,_payload:n,metadata:n.metadata});t=i,this._addConnection(r,t),this.emit("call",i)}else if(n.type===P.Data){let i=new this._serializers[n.serialization](r,this,{connectionId:e,_payload:n,metadata:n.metadata,label:n.label,serialization:n.serialization,reliable:n.reliable});t=i,this._addConnection(r,t),this.emit("connection",i)}else{eO.warn(`Received malformed connection type:${n.type}`);return}for(let n of this._getMessages(e))t.handleMessage(n);break}default:{if(!n){eO.warn(`You received a malformed message from ${r} of type ${t}`);return}let i=n.connectionId,o=this.getConnection(r,i);o&&o.peerConnection?o.handleMessage(e):i?this._storeMessage(i,e):eO.warn("You received an unrecognized message:",e)}}}_storeMessage(e,t){this._lostMessages.has(e)||this._lostMessages.set(e,[]),this._lostMessages.get(e).push(t)}_getMessages(e){let t=this._lostMessages.get(e);return t?(this._lostMessages.delete(e),t):[]}connect(e,t={}){if(t={serialization:"default",...t},this.disconnected){eO.warn("You cannot connect to a new Peer because you called .disconnect() on this Peer and ended your connection with the server. You can create a new Peer to reconnect, or call reconnect on this peer if you believe its ID to still be available."),this.emitError(E.Disconnected,"Cannot connect to new Peer after disconnecting from server.");return}let n=new this._serializers[t.serialization](e,this,t);return this._addConnection(e,n),n}call(e,t,n={}){if(this.disconnected){eO.warn("You cannot connect to a new Peer because you called .disconnect() on this Peer and ended your connection with the server. You can create a new Peer to reconnect."),this.emitError(E.Disconnected,"Cannot connect to new Peer after disconnecting from server.");return}if(!t){eO.error("To call a peer, you must provide a stream from your browser's `getUserMedia`.");return}let r=new eY(e,this,{...n,_stream:t});return this._addConnection(e,r),r}_addConnection(e,t){eO.log(`add connection ${t.type}:${t.connectionId} to peerId:${e}`),this._connections.has(e)||this._connections.set(e,[]),this._connections.get(e).push(t)}_removeConnection(e){let t=this._connections.get(e.peer);if(t){let n=t.indexOf(e);-1!==n&&t.splice(n,1)}this._lostMessages.delete(e.connectionId)}getConnection(e,t){let n=this._connections.get(e);if(!n)return null;for(let e of n)if(e.connectionId===t)return e;return null}_delayedAbort(e,t){setTimeout(()=>{this._abort(e,t)},0)}_abort(e,t){eO.error("Aborting!"),this.emitError(e,t),this._lastServerId?this.disconnect():this.destroy()}destroy(){this.destroyed||(eO.log(`Destroy peer with ID:${this.id}`),this.disconnect(),this._cleanup(),this._destroyed=!0,this.emit("close"))}_cleanup(){for(let e of this._connections.keys())this._cleanupPeer(e),this._connections.delete(e);this.socket.removeAllListeners()}_cleanupPeer(e){let t=this._connections.get(e);if(t)for(let e of t)e.close()}disconnect(){if(this.disconnected)return;let e=this.id;eO.log(`Disconnect peer with ID:${e}`),this._disconnected=!0,this._open=!1,this.socket.close(),this._lastServerId=e,this._id=null,this.emit("disconnected",e)}reconnect(){if(this.disconnected&&!this.destroyed)eO.log(`Attempting reconnection to server with ID ${this._lastServerId}`),this._disconnected=!1,this._initialize(this._lastServerId);else if(this.destroyed)throw Error("This peer cannot reconnect to the server. It has already been destroyed.");else if(this.disconnected||this.open)throw Error(`Peer ${this.id} cannot reconnect because it is not disconnected from the server!`);else eO.error("In a hurry? We're still trying to make the initial connection!")}listAllPeers(e=e=>{}){this._api.listAllPeers().then(t=>e(t)).catch(e=>this._abort(E.ServerError,e))}constructor(e,t){let n;if(super(),this._serializers={raw:eZ,json:e0,binary:eQ,"binary-utf8":eQ,default:eQ},this._id=null,this._lastServerId=null,this._destroyed=!1,this._disconnected=!1,this._open=!1,this._connections=new Map,this._lostMessages=new Map,e&&e.constructor==Object?t=e:e&&(n=e.toString()),t={debug:0,host:eM.CLOUD_HOST,port:eM.CLOUD_PORT,path:"/",key:e1.DEFAULT_KEY,token:eM.randomToken(),config:eM.defaultConfig,referrerPolicy:"strict-origin-when-cross-origin",serializers:{},...t},this._options=t,this._serializers={...this._serializers,...this.options.serializers},"/"===this._options.host&&(this._options.host=window.location.hostname),this._options.path&&("/"!==this._options.path[0]&&(this._options.path="/"+this._options.path),"/"!==this._options.path[this._options.path.length-1]&&(this._options.path+="/")),void 0===this._options.secure&&this._options.host!==eM.CLOUD_HOST?this._options.secure=eM.isSecure():this._options.host==eM.CLOUD_HOST&&(this._options.secure=!0),this._options.logFunction&&eO.setLogFunction(this._options.logFunction),eO.logLevel=this._options.debug||0,this._api=new eK(t),this._socket=this._createServerConnection(),!eM.supports.audioVideo&&!eM.supports.data){this._delayedAbort(E.BrowserIncompatible,"The current browser does not support WebRTC");return}if(n&&!eM.validateId(n)){this._delayedAbort(E.InvalidID,`ID "${n}" is invalid`);return}n?this._initialize(n):this._api.retrieveId().then(e=>this._initialize(e)).catch(e=>this._abort(E.ServerError,e))}}e1.DEFAULT_KEY="peerjs",window.peerjs={Peer:e1,util:eM},window.Peer=e1})();
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