AR-Menu/Needle/MenuScene/dist/assets/peerjs.UdR1_Ath.js

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t=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){let[e,n,r]=arguments;if(arguments.length>0&&typeof e==`function`)return t.apply(this,arguments);if(t.length===0&&(arguments.length===0||typeof e!=`function`))return t.apply(this,[]);let i=function(e){let t={};return e.result().forEach(e=>{let n={id:e.id,timestamp:e.timestamp,type:{localcandidate:`local-candidate`,remotecandidate:`remote-candidate`}[e.type]||e.type};e.names().forEach(t=>{n[t]=e.stat(t)}),t[n.id]=n}),t},a=function(e){return new Map(Object.keys(e).map(t=>[t,e[t]]))};return arguments.length>=2?t.apply(this,[function(e){n(a(i(e)))},e]):new Promise((e,n)=>{t.apply(this,[function(t){e(a(i(t)))},n])}).then(n,r)}}function C(e){if(!(typeof e==`object`&&e.RTCPeerConnection&&e.RTCRtpSender&&e.RTCRtpReceiver))return;if(!(`getStats`in e.RTCRtpSender.prototype)){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(){let e=this;return this._pc.getStats().then(t=>g(t,e.track,!0))}}if(!(`getStats`in e.RTCRtpReceiver.prototype)){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}),c(e,`track`,e=>(e.receiver._pc=e.srcElement,e)),e.RTCRtpReceiver.prototype.getStats=function(){let e=this;return this._pc.getStats().then(t=>g(t,e.track,!1))}}if(!(`getStats`in e.RTCRtpSender.prototype&&`getStats`in e.RTCRtpReceiver.prototype))return;let t=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){if(arguments.length>0&&arguments[0]instanceof e.MediaStreamTrack){let e=arguments[0],t,n,r;return this.getSenders().forEach(n=>{n.track===e&&(t?r=!0:t=n)}),this.getReceivers().forEach(t=>(t.track===e&&(n?r=!0:n=t),t.track===e)),r||t&&n?Promise.reject(new DOMException(`There are more than one sender or receiver for the track.`,`InvalidAccessError`)):t?t.getStats():n?n.getStats():Promise.reject(new DOMException(`There is no sender or receiver for the track.`,`InvalidAccessError`))}return t.apply(this,arguments)}}function w(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]?this._shimmedLocalStreams[n.id].indexOf(r)===-1&&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=>t.indexOf(e)===-1);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);n!==-1&&this._shimmedLocalStreams[t].splice(n,1),this._shimmedLocalStreams[t].length===1&&delete this._shimmedLocalStreams[t]}),i.apply(this,arguments)}}function T(e,t){if(!e.RTCPeerConnection)return;if(e.RTCPeerConnection.prototype.addTrack&&t.version>=65)return w(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;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(this.signalingState===`closed`)throw new DOMException(`The RTCPeerConnection's signalingState is 'closed'.`,`InvalidStateError`);let r=[].slice.call(arguments,1);if(r.length!==1||!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)};function a(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(new RegExp(i.id,`g`),r.id)}),new RTCSessionDescription({type:t.type,sdp:n})}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(new RegExp(r.id,`g`),i.id)}),new RTCSessionDescription({type:t.type,sdp:n})}[`createOffer`,`createAnswer`].forEach(function(t){let n=e.RTCPeerConnection.prototype[t],r={[t](){let e=arguments;return arguments.length&&typeof arguments[0]==`function`?n.apply(this,[t=>{let n=a(this,t);e[0].apply(null,[n])},t=>{e[1]&&e[1].apply(null,t)},arguments[2]]):n.apply(this,arguments).then(e=>a(this,e))}};e.RTCPeerConnection.prototype[t]=r[t]});let s=e.RTCPeerConnection.prototype.setLocalDescription;e.RTCPeerConnection.prototype.setLocalDescription=function(){return!arguments.length||!arguments[0].type||(arguments[0]=o(this,arguments[0])),s.apply(this,arguments)};let c=Object.getOwnPropertyDescriptor(e.RTCPeerConnection.prototype,`localDescription`);Object.defineProperty(e.RTCPeerConnection.prototype,`localDescription`,{get(){let e=c.get.apply(this);return e.type===``?e:a(this,e)}}),e.RTCPeerConnection.prototype.removeTrack=function(e){if(this.signalingState===`closed`)throw new DOMException(`The RTCPeerConnection's signalingState is 'closed'.`,`InvalidStateError`);if(!e._pc)throw new DOMException(`Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.`,`TypeError`);if(e._pc!==this)throw new DOMException(`Sender was not created by this connection.`,`InvalidAccessError`);this._streams=this._streams||{};let t;Object.keys(this._streams).forEach(n=>{this._streams[n].getTracks().find(t=>e.track===t)&&(t=this._streams[n])}),t&&(t.getTracks().length===1?this.removeStream(this._reverseStreams[t.id]):t.removeTrack(e.track),this.dispatchEvent(new Event(`negotiationneeded`)))}}function E(e,t){!e.RTCPeerConnection&&e.webkitRTCPeerConnection&&(e.RTCPeerConnection=e.webkitRTCPeerConnection),e.RTCPeerConnection&&t.version<53&&[`setLocalDescription`,`setRemoteDescription`,`addIceCandidate`].forEach(function(t){let n=e.RTCPeerConnection.prototype[t],r={[t](){return arguments[0]=new(t===`addIceCandidate`?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),n.apply(this,arguments)}};e.RTCPeerConnection.prototype[t]=r[t]})}function D(e,t){c(e,`negotiationneeded`,e=>{let n=e.target;if(!((t.version<72||n.getConfiguration&&n.getConfiguration().sdpSemantics===`plan-b`)&&n.signalingState!==`stable`))return e})}function O(e,t){let n=!1;return e=JSON.parse(JSON.stringify(e)),e.filter(e=>{if(e&&(e.urls||e.url)){let t=e.urls||e.url;e.url&&!e.urls&&f(`RTCIceServer.url`,`RTCIceServer.urls`);let r=typeof t==`string`;return r&&(t=[t]),t=t.filter(e=>{if(e.indexOf(`stun:`)===0)return!1;let t=e.startsWith(`turn`)&&!e.startsWith(`turn:[`)&&e.includes(`transport=udp`);return t&&!n?(n=!0,!0):t&&!n}),delete e.url,e.urls=r?t[0]:t,!!t.length}})}var re=n(((e,t)=>{var n={};n.generateIdentifier=function(){return Math.random().toString(36).substr(2,10)},n.localCName=n.generateIdentifier(),n.splitLines=function(e){return e.trim().split(`
`).map(function(e){return e.trim()})},n.splitSections=function(e){return e.split(`
m=`).map(function(e,t){return(t>0?`m=`+e:e).trim()+`\r
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`},n.parseExtmap=function(e){var t=e.substr(9).split(` `);return{id:parseInt(t[0],10),direction:t[0].indexOf(`/`)>0?t[0].split(`/`)[1]:`sendrecv`,uri:t[1]}},n.writeExtmap=function(e){return`a=extmap:`+(e.id||e.preferredId)+(e.direction&&e.direction!==`sendrecv`?`/`+e.direction:``)+` `+e.uri+`\r
`},n.parseFmtp=function(e){for(var t={},n,r=e.substr(e.indexOf(` `)+1).split(`;`),i=0;i<r.length;i++)n=r[i].trim().split(`=`),t[n[0].trim()]=n[1];return t},n.writeFmtp=function(e){var t=``,n=e.payloadType;if(e.preferredPayloadType!==void 0&&(n=e.preferredPayloadType),e.parameters&&Object.keys(e.parameters).length){var r=[];Object.keys(e.parameters).forEach(function(t){e.parameters[t]?r.push(t+`=`+e.parameters[t]):r.push(t)}),t+=`a=fmtp:`+n+` `+r.join(`;`)+`\r
`}return t},n.parseRtcpFb=function(e){var t=e.substr(e.indexOf(` `)+1).split(` `);return{type:t.shift(),parameter:t.join(` `)}},n.writeRtcpFb=function(e){var t=``,n=e.payloadType;return e.preferredPayloadType!==void 0&&(n=e.preferredPayloadType),e.rtcpFeedback&&e.rtcpFeedback.length&&e.rtcpFeedback.forEach(function(e){t+=`a=rtcp-fb:`+n+` `+e.type+(e.parameter&&e.parameter.length?` `+e.parameter:``)+`\r
`}),t},n.parseSsrcMedia=function(e){var t=e.indexOf(` `),n={ssrc:parseInt(e.substr(7,t-7),10)},r=e.indexOf(`:`,t);return r>-1?(n.attribute=e.substr(t+1,r-t-1),n.value=e.substr(r+1)):n.attribute=e.substr(t+1),n},n.parseSsrcGroup=function(e){var t=e.substr(13).split(` `);return{semantics:t.shift(),ssrcs:t.map(function(e){return parseInt(e,10)})}},n.getMid=function(e){var t=n.matchPrefix(e,`a=mid:`)[0];if(t)return t.substr(6)},n.parseFingerprint=function(e){var t=e.substr(14).split(` `);return{algorithm:t[0].toLowerCase(),value:t[1]}},n.getDtlsParameters=function(e,t){return{role:`auto`,fingerprints:n.matchPrefix(e+t,`a=fingerprint:`).map(n.parseFingerprint)}},n.writeDtlsParameters=function(e,t){var n=`a=setup:`+t+`\r
`;return e.fingerprints.forEach(function(e){n+=`a=fingerprint:`+e.algorithm+` `+e.value+`\r
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`},n.parseCryptoKeyParams=function(e){if(e.indexOf(`inline:`)!==0)return null;var t=e.substr(7).split(`|`);return{keyMethod:`inline`,keySalt:t[0],lifeTime:t[1],mkiValue:t[2]?t[2].split(`:`)[0]:void 0,mkiLength:t[2]?t[2].split(`:`)[1]:void 0}},n.writeCryptoKeyParams=function(e){return e.keyMethod+`:`+e.keySalt+(e.lifeTime?`|`+e.lifeTime:``)+(e.mkiValue&&e.mkiLength?`|`+e.mkiValue+`:`+e.mkiLength:``)},n.getCryptoParameters=function(e,t){return n.matchPrefix(e+t,`a=crypto:`).map(n.parseCryptoLine)},n.getIceParameters=function(e,t){var r=n.matchPrefix(e+t,`a=ice-ufrag:`)[0],i=n.matchPrefix(e+t,`a=ice-pwd:`)[0];return r&&i?{usernameFragment:r.substr(12),password:i.substr(10)}:null},n.writeIceParameters=function(e){return`a=ice-ufrag:`+e.usernameFragment+`\r
a=ice-pwd:`+e.password+`\r
`},n.parseRtpParameters=function(e){for(var t={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},r=n.splitLines(e)[0].split(` `),i=3;i<r.length;i++){var a=r[i],o=n.matchPrefix(e,`a=rtpmap:`+a+` `)[0];if(o){var s=n.parseRtpMap(o),c=n.matchPrefix(e,`a=fmtp:`+a+` `);switch(s.parameters=c.length?n.parseFmtp(c[0]):{},s.rtcpFeedback=n.matchPrefix(e,`a=rtcp-fb:`+a+` `).map(n.parseRtcpFb),t.codecs.push(s),s.name.toUpperCase()){case`RED`:case`ULPFEC`:t.fecMechanisms.push(s.name.toUpperCase());break;default:break}}}return n.matchPrefix(e,`a=extmap:`).forEach(function(e){t.headerExtensions.push(n.parseExtmap(e))}),t},n.writeRtpDescription=function(e,t){var r=``;r+=`m=`+e+` `,r+=t.codecs.length>0?`9`:`0`,r+=` UDP/TLS/RTP/SAVPF `,r+=t.codecs.map(function(e){return e.preferredPayloadType===void 0?e.payloadType:e.preferredPayloadType}).join(` `)+`\r
`,r+=`c=IN IP4 0.0.0.0\r
`,r+=`a=rtcp:9 IN IP4 0.0.0.0\r
`,t.codecs.forEach(function(e){r+=n.writeRtpMap(e),r+=n.writeFmtp(e),r+=n.writeRtcpFb(e)});var i=0;return t.codecs.forEach(function(e){e.maxptime>i&&(i=e.maxptime)}),i>0&&(r+=`a=maxptime:`+i+`\r
`),r+=`a=rtcp-mux\r
`,t.headerExtensions&&t.headerExtensions.forEach(function(e){r+=n.writeExtmap(e)}),r},n.parseRtpEncodingParameters=function(e){var t=[],r=n.parseRtpParameters(e),i=r.fecMechanisms.indexOf(`RED`)!==-1,a=r.fecMechanisms.indexOf(`ULPFEC`)!==-1,o=n.matchPrefix(e,`a=ssrc:`).map(function(e){return n.parseSsrcMedia(e)}).filter(function(e){return e.attribute===`cname`}),s=o.length>0&&o[0].ssrc,c,l=n.matchPrefix(e,`a=ssrc-group:FID`).map(function(e){return e.substr(17).split(` `).map(function(e){return parseInt(e,10)})});l.length>0&&l[0].length>1&&l[0][0]===s&&(c=l[0][1]),r.codecs.forEach(function(e){if(e.name.toUpperCase()===`RTX`&&e.parameters.apt){var n={ssrc:s,codecPayloadType:parseInt(e.parameters.apt,10)};s&&c&&(n.rtx={ssrc:c}),t.push(n),i&&(n=JSON.parse(JSON.stringify(n)),n.fec={ssrc:s,mechanism:a?`red+ulpfec`:`red`},t.push(n))}}),t.length===0&&s&&t.push({ssrc:s});var u=n.matchPrefix(e,`b=`);return u.length&&(u=u[0].indexOf(`b=TIAS:`)===0?parseInt(u[0].substr(7),10):u[0].indexOf(`b=AS:`)===0?parseInt(u[0].substr(5),10)*1e3*.95-2e3*8:void 0,t.forEach(function(e){e.maxBitrate=u})),t},n.parseRtcpParameters=function(e){var t={},r=n.matchPrefix(e,`a=ssrc:`).map(function(e){return n.parseSsrcMedia(e)}).filter(function(e){return e.attribute===`cname`})[0];r&&(t.cname=r.value,t.ssrc=r.ssrc);var i=n.matchPrefix(e,`a=rtcp-rsize`);return t.reducedSize=i.length>0,t.compound=i.length===0,t.mux=n.matchPrefix(e,`a=rtcp-mux`).length>0,t},n.parseMsid=function(e){var t,r=n.matchPrefix(e,`a=msid:`);if(r.length===1)return t=r[0].substr(7).split(` `),{stream:t[0],track:t[1]};var i=n.matchPrefix(e,`a=ssrc:`).map(function(e){return n.parseSsrcMedia(e)}).filter(function(e){return e.attribute===`msid`});if(i.length>0)return t=i[0].value.split(` `),{stream:t[0],track:t[1]}},n.parseSctpDescription=function(e){var t=n.parseMLine(e),r=n.matchPrefix(e,`a=max-message-size:`),i;r.length>0&&(i=parseInt(r[0].substr(19),10)),isNaN(i)&&(i=65536);var a=n.matchPrefix(e,`a=sctp-port:`);if(a.length>0)return{port:parseInt(a[0].substr(12),10),protocol:t.fmt,maxMessageSize:i};if(n.matchPrefix(e,`a=sctpmap:`).length>0){var o=n.matchPrefix(e,`a=sctpmap:`)[0].substr(10).split(` `);return{port:parseInt(o[0],10),protocol:o[1],maxMessageSize:i}}},n.writeSctpDescription=function(e,t){var n=[];return n=e.protocol===`DTLS/SCTP`?[`m=`+e.kind+` 9 `+e.protocol+` `+t.port+`\r
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`]:[`m=`+e.kind+` 9 `+e.protocol+` `+t.protocol+`\r
`,`c=IN IP4 0.0.0.0\r
`,`a=sctp-port:`+t.port+`\r
`],t.maxMessageSize!==void 0&&n.push(`a=max-message-size:`+t.maxMessageSize+`\r
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o=`+(r||`thisisadapterortc`)+` `+i+` `+a+` IN IP4 127.0.0.1\r
s=-\r
t=0 0\r
`},n.writeMediaSection=function(e,t,r,i){var a=n.writeRtpDescription(e.kind,t);if(a+=n.writeIceParameters(e.iceGatherer.getLocalParameters()),a+=n.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),r===`offer`?`actpass`:`active`),a+=`a=mid:`+e.mid+`\r
`,e.direction?a+=`a=`+e.direction+`\r
`:e.rtpSender&&e.rtpReceiver?a+=`a=sendrecv\r
`:e.rtpSender?a+=`a=sendonly\r
`:e.rtpReceiver?a+=`a=recvonly\r
`:a+=`a=inactive\r
`,e.rtpSender){var o=`msid:`+i.id+` `+e.rtpSender.track.id+`\r
`;a+=`a=`+o,a+=`a=ssrc:`+e.sendEncodingParameters[0].ssrc+` `+o,e.sendEncodingParameters[0].rtx&&(a+=`a=ssrc:`+e.sendEncodingParameters[0].rtx.ssrc+` `+o,a+=`a=ssrc-group:FID `+e.sendEncodingParameters[0].ssrc+` `+e.sendEncodingParameters[0].rtx.ssrc+`\r
`)}return a+=`a=ssrc:`+e.sendEncodingParameters[0].ssrc+` cname:`+n.localCName+`\r
`,e.rtpSender&&e.sendEncodingParameters[0].rtx&&(a+=`a=ssrc:`+e.sendEncodingParameters[0].rtx.ssrc+` cname:`+n.localCName+`\r
`),a},n.getDirection=function(e,t){for(var r=n.splitLines(e),i=0;i<r.length;i++)switch(r[i]){case`a=sendrecv`:case`a=sendonly`:case`a=recvonly`:case`a=inactive`:return r[i].substr(2);default:}return t?n.getDirection(t):`sendrecv`},n.getKind=function(e){return n.splitLines(e)[0].split(` `)[0].substr(2)},n.isRejected=function(e){return e.split(` `,2)[1]===`0`},n.parseMLine=function(e){var t=n.splitLines(e)[0].substr(2).split(` `);return{kind:t[0],port:parseInt(t[1],10),protocol:t[2],fmt:t.slice(3).join(` `)}},n.parseOLine=function(e){var t=n.matchPrefix(e,`o=`)[0].substr(2).split(` `);return{username:t[0],sessionId:t[1],sessionVersion:parseInt(t[2],10),netType:t[3],addressType:t[4],address:t[5]}},n.isValidSDP=function(e){if(typeof e!=`string`||e.length===0)return!1;for(var t=n.splitLines(e),r=0;r<t.length;r++)if(t[r].length<2||t[r].charAt(1)!==`=`)return!1;return!0},typeof t==`object`&&(t.exports=n)})),ie=t(n(((e,t)=>{var n=re();function r(e){return{inboundrtp:`inbound-rtp`,outboundrtp:`outbound-rtp`,candidatepair:`candidate-pair`,localcandidate:`local-candidate`,remotecandidate:`remote-candidate`}[e.type]||e.type}function i(e,t,r,i,a){var o=n.writeRtpDescription(e.kind,t);if(o+=n.writeIceParameters(e.iceGatherer.getLocalParameters()),o+=n.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),r===`offer`?`actpass`:a||`active`),o+=`a=mid:`+e.mid+`\r
`,e.rtpSender&&e.rtpReceiver?o+=`a=sendrecv\r
`:e.rtpSender?o+=`a=sendonly\r
`:e.rtpReceiver?o+=`a=recvonly\r
`:o+=`a=inactive\r
`,e.rtpSender){var s=e.rtpSender._initialTrackId||e.rtpSender.track.id;e.rtpSender._initialTrackId=s;var c=`msid:`+(i?i.id:`-`)+` `+s+`\r
`;o+=`a=`+c,o+=`a=ssrc:`+e.sendEncodingParameters[0].ssrc+` `+c,e.sendEncodingParameters[0].rtx&&(o+=`a=ssrc:`+e.sendEncodingParameters[0].rtx.ssrc+` `+c,o+=`a=ssrc-group:FID `+e.sendEncodingParameters[0].ssrc+` `+e.sendEncodingParameters[0].rtx.ssrc+`\r
`)}return o+=`a=ssrc:`+e.sendEncodingParameters[0].ssrc+` cname:`+n.localCName+`\r
`,e.rtpSender&&e.sendEncodingParameters[0].rtx&&(o+=`a=ssrc:`+e.sendEncodingParameters[0].rtx.ssrc+` cname:`+n.localCName+`\r
`),o}function a(e,t){var n=!1;return e=JSON.parse(JSON.stringify(e)),e.filter(function(e){if(e&&(e.urls||e.url)){var r=e.urls||e.url;e.url&&!e.urls&&console.warn(`RTCIceServer.url is deprecated! Use urls instead.`);var i=typeof r==`string`;return i&&(r=[r]),r=r.filter(function(e){return e.indexOf(`turn:`)===0&&e.indexOf(`transport=udp`)!==-1&&e.indexOf(`turn:[`)===-1&&!n?(n=!0,!0):e.indexOf(`stun:`)===0&&t>=14393&&e.indexOf(`?transport=udp`)===-1}),delete e.url,e.urls=i?r[0]:r,!!r.length}})}function o(e,t){var n={codecs:[],headerExtensions:[],fecMechanisms:[]},r=function(e,t){e=parseInt(e,10);for(var n=0;n<t.length;n++)if(t[n].payloadType===e||t[n].preferredPayloadType===e)return t[n]},i=function(e,t,n,i){var a=r(e.parameters.apt,n),o=r(t.parameters.apt,i);return a&&o&&a.name.toLowerCase()===o.name.toLowerCase()};return e.codecs.forEach(function(r){for(var a=0;a<t.codecs.length;a++){var o=t.codecs[a];if(r.name.toLowerCase()===o.name.toLowerCase()&&r.clockRate===o.clockRate){if(r.name.toLowerCase()===`rtx`&&r.parameters&&o.parameters.apt&&!i(r,o,e.codecs,t.codecs))continue;o=JSON.parse(JSON.stringify(o)),o.numChannels=Math.min(r.numChannels,o.numChannels),n.codecs.push(o),o.rtcpFeedback=o.rtcpFeedback.filter(function(e){for(var t=0;t<r.rtcpFeedback.length;t++)if(r.rtcpFeedback[t].type===e.type&&r.rtcpFeedback[t].parameter===e.parameter)return!0;return!1});break}}}),e.headerExtensions.forEach(function(e){for(var r=0;r<t.headerExtensions.length;r++){var i=t.headerExtensions[r];if(e.uri===i.uri){n.headerExtensions.push(i);break}}}),n}function s(e,t,n){return{offer:{setLocalDescription:[`stable`,`have-local-offer`],setRemoteDescription:[`stable`,`have-remote-offer`]},answer:{setLocalDescription:[`have-remote-offer`,`have-local-pranswer`],setRemoteDescription:[`have-local-offer`,`have-remote-pranswer`]}}[t][e].indexOf(n)!==-1}function c(e,t){var n=e.getRemoteCandidates().find(function(e){return t.foundation===e.foundation&&t.ip===e.ip&&t.port===e.port&&t.priority===e.priority&&t.protocol===e.protocol&&t.type===e.type});return n||e.addRemoteCandidate(t),!n}function l(e,t){var n=Error(t);return n.name=e,n.code={NotSupportedError:9,InvalidStateError:11,InvalidAccessError:15,TypeError:void 0,OperationError:void 0}[e],n}t.exports=function(e,t){function u(t,n){n.addTrack(t),n.dispatchEvent(new e.MediaStreamTrackEvent(`addtrack`,{track:t}))}function d(t,n){n.removeTrack(t),n.dispatchEvent(new e.MediaStreamTrackEvent(`removetrack`,{track:t}))}function f(t,n,r,i){var a=new Event(`track`);a.track=n,a.receiver=r,a.transceiver={receiver:r},a.streams=i,e.setTimeout(function(){t._dispatchEvent(`track`,a)})}var p=function(r){var i=this,o=document.createDocumentFragment();if([`addEventListener`,`removeEventListener`,`dispatchEvent`].forEach(function(e){i[e]=o[e].bind(o)}),this.canTrickleIceCandidates=null,this.needNegotiation=!1,this.localStreams=[],this.remoteStreams=[],this._localDescription=null,this._remoteDescription=null,this.signalingState=`stable`,this.iceConnectionState=`new`,this.connectionState=`new`,this.iceGatheringState=`new`,r=JSON.parse(JSON.stringify(r||{})),this.usingBundle=r.bundlePolicy===`max-bundle`,r.rtcpMuxPolicy===`negotiate`)throw l(`NotSupportedError`,`rtcpMuxPolicy 'negotiate' is not supported`);switch(r.rtcpMuxPolicy||=`require`,r.iceTransportPolicy){case`all`:case`relay`:break;default:r.iceTransportPolicy=`all`;break}switch(r.bundlePolicy){case`balanced`:case`max-compat`:case`max-bundle`:break;default:r.bundlePolicy=`balanced`;break}if(r.iceServers=a(r.iceServers||[],t),this._iceGatherers=[],r.iceCandidatePoolSize)for(var s=r.iceCandidatePoolSize;s>0;s--)this._iceGatherers.push(new e.RTCIceGatherer({iceServers:r.iceServers,gatherPolicy:r.iceTransportPolicy}));else r.iceCandidatePoolSize=0;this._config=r,this.transceivers=[],this._sdpSessionId=n.generateSessionId(),this._sdpSessionVersion=0,this._dtlsRole=void 0,this._isClosed=!1};Object.defineProperty(p.prototype,`localDescription`,{configurable:!0,get:function(){return this._localDescription}}),Object.defineProperty(p.prototype,`remoteDescription`,{configurable:!0,get:function(){return this._remoteDescription}}),p.prototype.onicecandidate=null,p.prototype.onaddstream=null,p.prototype.ontrack=null,p.prototype.onremovestream=null,p.prototype.onsignalingstatechange=null,p.prototype.oniceconnectionstatechange=null,p.prototype.onconnectionstatechange=null,p.prototype.onicegatheringstatechange=null,p.prototype.onnegotiationneeded=null,p.prototype.ondatachannel=null,p.prototype._dispatchEvent=function(e,t){this._isClosed||(this.dispatchEvent(t),typeof this[`on`+e]==`function`&&this[`on`+e](t))},p.prototype._emitGatheringStateChange=function(){var e=new Event(`icegatheringstatechange`);this._dispatchEvent(`icegatheringstatechange`,e)},p.prototype.getConfiguration=function(){return this._config},p.prototype.getLocalStreams=function(){return this.localStreams},p.prototype.getRemoteStreams=function(){return this.remoteStreams},p.prototype._createTransceiver=function(e,t){var n=this.transceivers.length>0,r={track:null,iceGatherer:null,iceTransport:null,dtlsTransport:null,localCapabilities:null,remoteCapabilities:null,rtpSender:null,rtpReceiver:null,kind:e,mid:null,sendEncodingParameters:null,recvEncodingParameters:null,stream:null,associatedRemoteMediaStreams:[],wantReceive:!0};if(this.usingBundle&&n)r.iceTransport=this.transceivers[0].iceTransport,r.dtlsTransport=this.transceivers[0].dtlsTransport;else{var i=this._createIceAndDtlsTransports();r.iceTransport=i.iceTransport,r.dtlsTransport=i.dtlsTransport}return t||this.transceivers.push(r),r},p.prototype.addTrack=function(t,n){if(this._isClosed)throw l(`InvalidStateError`,`Attempted to call addTrack on a closed peerconnection.`);if(this.transceivers.find(function(e){return e.track===t}))throw l(`InvalidAccessError`,`Track already exists.`);for(var r,i=0;i<this.transceivers.length;i++)!this.transceivers[i].track&&this.transceivers[i].kind===t.kind&&(r=this.transceivers[i]);return r||=this._createTransceiver(t.kind),this._maybeFireNegotiationNeeded(),this.localStreams.indexOf(n)===-1&&this.localStreams.push(n),r.track=t,r.stream=n,r.rtpSender=new e.RTCRtpSender(t,r.dtlsTransport),r.rtpSender},p.prototype.addStream=function(e){var n=this;if(t>=15025)e.getTracks().forEach(function(t){n.addTrack(t,e)});else{var r=e.clone();e.getTracks().forEach(function(e,t){var n=r.getTracks()[t];e.addEventListener(`enabled`,function(e){n.enabled=e.enabled})}),r.getTracks().forEach(function(e){n.addTrack(e,r)})}},p.prototype.removeTrack=function(t){if(this._isClosed)throw l(`InvalidStateError`,`Attempted to call removeTrack on a closed peerconnection.`);if(!(t instanceof e.RTCRtpSender))throw TypeError(`Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.`);var n=this.transceivers.find(function(e){return e.rtpSender===t});if(!n)throw l(`InvalidAccessError`,`Sender was not created by this connection.`);var r=n.stream;n.rtpSender.stop(),n.rtpSender=null,n.track=null,n.stream=null,this.transceivers.map(function(e){return e.stream}).indexOf(r)===-1&&this.localStreams.indexOf(r)>-1&&this.localStreams.splice(this.localStreams.indexOf(r),1),this._maybeFireNegotiationNeeded()},p.prototype.removeStream=function(e){var t=this;e.getTracks().forEach(function(e){var n=t.getSenders().find(function(t){return t.track===e});n&&t.removeTrack(n)})},p.prototype.getSenders=function(){return this.transceivers.filter(function(e){return!!e.rtpSender}).map(function(e){return e.rtpSender})},p.prototype.getReceivers=function(){return this.transceivers.filter(function(e){return!!e.rtpReceiver}).map(function(e){return e.rtpReceiver})},p.prototype._createIceGatherer=function(t,n){var r=this;if(n&&t>0)return this.transceivers[0].iceGatherer;if(this._iceGatherers.length)return this._iceGatherers.shift();var i=new e.RTCIceGatherer({iceServers:this._config.iceServers,gatherPolicy:this._config.iceTransportPolicy});return Object.defineProperty(i,`state`,{value:`new`,writable:!0}),this.transceivers[t].bufferedCandidateEvents=[],this.transceivers[t].bufferCandidates=function(e){i.state=!e.candidate||Object.keys(e.candidate).length===0?`completed`:`gathering`,r.transceivers[t].bufferedCandidateEvents!==null&&r.transceivers[t].bufferedCandidateEvents.push(e)},i.addEventListener(`localcandidate`,this.transceivers[t].bufferCandidates),i},p.prototype._gather=function(t,r){var i=this,a=this.transceivers[r].iceGatherer;if(!a.onlocalcandidate){var o=this.transceivers[r].bufferedCandidateEvents;this.transceivers[r].bufferedCandidateEvents=null,a.removeEventListener(`localcandidate`,this.transceivers[r].bufferCandidates),a.onlocalcandidate=function(e){if(!(i.usingBundle&&r>0)){var o=new Event(`icecandidate`);o.candidate={sdpMid:t,sdpMLineIndex:r};var s=e.candidate,c=!s||Object.keys(s).length===0;if(c)(a.state===`new`||a.state===`gathering`)&&(a.state=`completed`);else{a.state===`new`&&(a.state=`gathering`),s.component=1,s.ufrag=a.getLocalParameters().usernameFragment;var l=n.writeCandidate(s);o.candidate=Object.assign(o.candidate,n.parseCandidate(l)),o.candidate.candidate=l,o.candidate.toJSON=function(){return{candidate:o.candidate.candidate,sdpMid:o.candidate.sdpMid,sdpMLineIndex:o.candidate.sdpMLineIndex,usernameFragment:o.candidate.usernameFragment}}}var u=n.getMediaSections(i._localDescription.sdp);c?u[o.candidate.sdpMLineIndex]+=`a=end-of-candidates\r
`:u[o.candidate.sdpMLineIndex]+=`a=`+o.candidate.candidate+`\r
`,i._localDescription.sdp=n.getDescription(i._localDescription.sdp)+u.join(``);var d=i.transceivers.every(function(e){return e.iceGatherer&&e.iceGatherer.state===`completed`});i.iceGatheringState!==`gathering`&&(i.iceGatheringState=`gathering`,i._emitGatheringStateChange()),c||i._dispatchEvent(`icecandidate`,o),d&&(i._dispatchEvent(`icecandidate`,new Event(`icecandidate`)),i.iceGatheringState=`complete`,i._emitGatheringStateChange())}},e.setTimeout(function(){o.forEach(function(e){a.onlocalcandidate(e)})},0)}},p.prototype._createIceAndDtlsTransports=function(){var t=this,n=new e.RTCIceTransport(null);n.onicestatechange=function(){t._updateIceConnectionState(),t._updateConnectionState()};var r=new e.RTCDtlsTransport(n);return r.ondtlsstatechange=function(){t._updateConnectionState()},r.onerror=function(){Object.defineProperty(r,`state`,{value:`failed`,writable:!0}),t._updateConnectionState()},{iceTransport:n,dtlsTransport:r}},p.prototype._disposeIceAndDtlsTransports=function(e){var t=this.transceivers[e].iceGatherer;t&&(delete t.onlocalcandidate,delete this.transceivers[e].iceGatherer);var n=this.transceivers[e].iceTransport;n&&(delete n.onicestatechange,delete this.transceivers[e].iceTransport);var r=this.transceivers[e].dtlsTransport;r&&(delete r.ondtlsstatechange,delete r.onerror,delete this.transceivers[e].dtlsTransport)},p.prototype._transceive=function(e,r,i){var a=o(e.localCapabilities,e.remoteCapabilities);r&&e.rtpSender&&(a.encodings=e.sendEncodingParameters,a.rtcp={cname:n.localCName,compound:e.rtcpParameters.compound},e.recvEncodingParameters.length&&(a.rtcp.ssrc=e.recvEncodingParameters[0].ssrc),e.rtpSender.send(a)),i&&e.rtpReceiver&&a.codecs.length>0&&(e.kind===`video`&&e.recvEncodingParameters&&t<15019&&e.recvEncodingParameters.forEach(function(e){delete e.rtx}),e.recvEncodingParameters.length?a.encodings=e.recvEncodingParameters:a.encodings=[{}],a.rtcp={compound:e.rtcpParameters.compound},e.rtcpParameters.cname&&(a.rtcp.cname=e.rtcpParameters.cname),e.sendEncodingParameters.length&&(a.rtcp.ssrc=e.sendEncodingParameters[0].ssrc),e.rtpReceiver.receive(a))},p.prototype.setLocalDescription=function(e){var t=this;if([`offer`,`answer`].indexOf(e.type)===-1)return Promise.reject(l(`TypeError`,`Unsupported type "`+e.type+`"`));if(!s(`setLocalDescription`,e.type,t.signalingState)||t._isClosed)return Promise.reject(l(`InvalidStateError`,`Can not set local `+e.type+` in state `+t.signalingState));var r,i;if(e.type===`offer`)r=n.splitSections(e.sdp),i=r.shift(),r.forEach(function(e,r){var i=n.parseRtpParameters(e);t.transceivers[r].localCapabilities=i}),t.transceivers.forEach(function(e,n){t._gather(e.mid,n)});else if(e.type===`answer`){r=n.splitSections(t._remoteDescription.sdp),i=r.shift();var a=n.matchPrefix(i,`a=ice-lite`).length>0;r.forEach(function(e,r){var s=t.transceivers[r],c=s.iceGatherer,l=s.iceTransport,u=s.dtlsTransport,d=s.localCapabilities,f=s.remoteCapabilities;if(!(n.isRejected(e)&&n.matchPrefix(e,`a=bundle-only`).length===0)&&!s.rejected){var p=n.getIceParameters(e,i),m=n.getDtlsParameters(e,i);a&&(m.role=`server`),(!t.usingBundle||r===0)&&(t._gather(s.mid,r),l.state===`new`&&l.start(c,p,a?`controlling`:`controlled`),u.state===`new`&&u.start(m));var h=o(d,f);t._transceive(s,h.codecs.length>0,!1)}})}return t._localDescription={type:e.type,sdp:e.sdp},e.type===`offer`?t._updateSignalingState(`have-local-offer`):t._updateSignalingState(`stable`),Promise.resolve()},p.prototype.setRemoteDescription=function(r){var i=this;if([`offer`,`answer`].indexOf(r.type)===-1)return Promise.reject(l(`TypeError`,`Unsupported type "`+r.type+`"`));if(!s(`setRemoteDescription`,r.type,i.signalingState)||i._isClosed)return Promise.reject(l(`InvalidStateError`,`Can not set remote `+r.type+` in state `+i.signalingState));var a={};i.remoteStreams.forEach(function(e){a[e.id]=e});var p=[],m=n.splitSections(r.sdp),h=m.shift(),ee=n.matchPrefix(h,`a=ice-lite`).length>0,g=n.matchPrefix(h,`a=group:BUNDLE `).length>0;i.usingBundle=g;var _=n.matchPrefix(h,`a=ice-options:`)[0];return _?i.canTrickleIceCandidates=_.substr(14).split(` `).indexOf(`trickle`)>=0:i.canTrickleIceCandidates=!1,m.forEach(function(s,l){var f=n.splitLines(s),m=n.getKind(s),_=n.isRejected(s)&&n.matchPrefix(s,`a=bundle-only`).length===0,v=f[0].substr(2).split(` `)[2],y=n.getDirection(s,h),b=n.parseMsid(s),te=n.getMid(s)||n.generateIdentifier();if(_||m===`application`&&(v===`DTLS/SCTP`||v===`UDP/DTLS/SCTP`)){i.transceivers[l]={mid:te,kind:m,protocol:v,rejected:!0};return}!_&&i.transceivers[l]&&i.transceivers[l].rejected&&(i.transceivers[l]=i._createTransceiver(m,!0));var x,ne,S,C,w,T,E,D,O,re=n.parseRtpParameters(s),ie,k;_||(ie=n.getIceParameters(s,h),k=n.getDtlsParameters(s,h),k.role=`client`),E=n.parseRtpEncodingParameters(s);var ae=n.parseRtcpParameters(s),oe=n.matchPrefix(s,`a=end-of-candidates`,h).length>0,A=n.matchPrefix(s,`a=candidate:`).map(function(e){return n.parseCandidate(e)}).filter(function(e){return e.component===1});if((r.type===`offer`||r.type===`answer`)&&!_&&g&&l>0&&i.transceivers[l]&&(i._disposeIceAndDtlsTransports(l),i.transceivers[l].iceGatherer=i.transceivers[0].iceGatherer,i.transceivers[l].iceTransport=i.transceivers[0].iceTransport,i.transceivers[l].dtlsTransport=i.transceivers[0].dtlsTransport,i.transceivers[l].rtpSender&&i.transceivers[l].rtpSender.setTransport(i.transceivers[0].dtlsTransport),i.transceivers[l].rtpReceiver&&i.transceivers[l].rtpReceiver.setTransport(i.transceivers[0].dtlsTransport)),r.type===`offer`&&!_){x=i.transceivers[l]||i._createTransceiver(m),x.mid=te,x.iceGatherer||=i._createIceGatherer(l,g),A.length&&x.iceTransport.state===`new`&&(oe&&(!g||l===0)?x.iceTransport.setRemoteCandidates(A):A.forEach(function(e){c(x.iceTransport,e)})),D=e.RTCRtpReceiver.getCapabilities(m),t<15019&&(D.codecs=D.codecs.filter(function(e){return e.name!==`rtx`})),T=x.sendEncodingParameters||[{ssrc:(2*l+2)*1001}];var j=!1;if(y===`sendrecv`||y===`sendonly`){if(j=!x.rtpReceiver,w=x.rtpReceiver||new e.RTCRtpReceiver(x.dtlsTransport,m),j){var M;O=w.track,b&&b.stream===`-`||(b?(a[b.stream]||(a[b.stream]=new e.MediaStream,Object.defineProperty(a[b.stream],`id`,{get:function(){return b.stream}})),Object.defineProperty(O,`id`,{get:function(){return b.track}}),M=a[b.stream]):(a.default||=new e.MediaStream,M=a.default)),M&&(u(O,M),x.associatedRemoteMediaStreams.push(M)),p.push([O,w,M])}}else x.rtpReceiver&&x.rtpReceiver.track&&(x.associatedRemoteMediaStreams.forEach(function(e){var t=e.getTracks().find(function(e){return e.id===x.rtpReceiver.track.id});t&&d(t,e)}),x.associatedRemoteMediaStreams=[]);x.localCapabilities=D,x.remoteCapabilities=re,x.rtpReceiver=w,x.rtcpParameters=ae,x.sendEncodingParameters=T,x.recvEncodingParameters=E,i._transceive(i.transceivers[l],!1,j)}else r.type===`answer`&&!_&&(x=i.transceivers[l],ne=x.iceGatherer,S=x.iceTransport,C=x.dtlsTransport,w=x.rtpReceiver,T=x.sendEncodingParameters,D=x.localCapabilities,i.transceivers[l].recvEncodingParameters=E,i.transceivers[l].remoteCapabilities=re,i.transceivers[l].rtcpParameters=ae,A.length&&S.state===`new`&&((ee||oe)&&(!g||l===0)?S.setRemoteCandidates(A):A.forEach(function(e){c(x.iceTransport,e)})),(!g||l===0)&&(S.state===`new`&&S.start(ne,ie,`controlling`),C.state===`new`&&C.start(k)),!o(x.localCapabilities,x.remoteCapabilities).codecs.filter(function(e){return e.name.toLowerCase()===`rtx`}).length&&x.sendEncodingParameters[0].rtx&&delete x.sendEncodingParameters[0].rtx,i._transceive(x,y===`sendrecv`||y===`recvonly`,y===`sendrecv`||y===`sendonly`),w&&(y===`sendrecv`||y===`sendonly`)?(O=w.track,b?(a[b.stream]||(a[b.stream]=new e.MediaStream),u(O,a[b.stream]),p.push([O,w,a[b.stream]])):(a.default||=new e.MediaStream,u(O,a.default),p.push([O,w,a.default]))):delete x.rtpReceiver)}),i._dtlsRole===void 0&&(i._dtlsRole=r.type===`offer`?`active`:`passive`),i._remoteDescription={type:r.type,sdp:r.sdp},r.type===`offer`?i._updateSignalingState(`have-remote-offer`):i._updateSignalingState(`stable`),Object.keys(a).forEach(function(t){var n=a[t];if(n.getTracks().length){if(i.remoteStreams.indexOf(n)===-1){i.remoteStreams.push(n);var r=new Event(`addstream`);r.stream=n,e.setTimeout(function(){i._dispatchEvent(`addstream`,r)})}p.forEach(function(e){var t=e[0],r=e[1];n.id===e[2].id&&f(i,t,r,[n])})}}),p.forEach(function(e){e[2]||f(i,e[0],e[1],[])}),e.setTimeout(function(){i&&i.transceivers&&i.transceivers.forEach(function(e){e.iceTransport&&e.iceTransport.state===`new`&&e.iceTransport.getRemoteCandidates().length>0&&(console.warn(`Timeout for addRemoteCandidate. Consider sending an end-of-candidates notification`),e.iceTransport.addRemoteCandidate({}))})},4e3),Promise.resolve()},p.prototype.close=function(){this.transceivers.forEach(function(e){e.iceTransport&&e.iceTransport.stop(),e.dtlsTransport&&e.dtlsTransport.stop(),e.rtpSender&&e.rtpSender.stop(),e.rtpReceiver&&e.rtpReceiver.stop()}),this._isClosed=!0,this._updateSignalingState(`closed`)},p.prototype._updateSignalingState=function(e){this.signalingState=e;var t=new Event(`signalingstatechange`);this._dispatchEvent(`signalingstatechange`,t)},p.prototype._maybeFireNegotiationNeeded=function(){var t=this;this.signalingState!==`stable`||this.needNegotiation===!0||(this.needNegotiation=!0,e.setTimeout(function(){if(t.needNegotiation){t.needNegotiation=!1;var e=new Event(`negotiationneeded`);t._dispatchEvent(`negotiationneeded`,e)}},0))},p.prototype._updateIceConnectionState=function(){var e,t={new:0,closed:0,checking:0,connected:0,completed:0,disconnected:0,failed:0};if(this.transceivers.forEach(function(e){e.iceTransport&&!e.rejected&&t[e.iceTransport.state]++}),e=`new`,t.failed>0?e=`failed`:t.checking>0?e=`checking`:t.disconnected>0?e=`disconnected`:t.new>0?e=`new`:t.connected>0?e=`connected`:t.completed>0&&(e=`completed`),e!==this.iceConnectionState){this.iceConnectionState=e;var n=new Event(`iceconnectionstatechange`);this._dispatchEvent(`iceconnectionstatechange`,n)}},p.prototype._updateConnectionState=function(){var e,t={new:0,closed:0,connecting:0,connected:0,completed:0,disconnected:0,failed:0};if(this.transceivers.forEach(function(e){e.iceTransport&&e.dtlsTransport&&!e.rejected&&(t[e.iceTransport.state]++,t[e.dtlsTransport.state]++)}),t.connected+=t.completed,e=`new`,t.failed>0?e=`failed`:t.connecting>0?e=`connecting`:t.disconnected>0?e=`disconnected`:t.new>0?e=`new`:t.connected>0&&(e=`connected`),e!==this.connectionState){this.connectionState=e;var n=new Event(`connectionstatechange`);this._dispatchEvent(`connectionstatechange`,n)}},p.prototype.createOffer=function(){var r=this;if(r._isClosed)return Promise.reject(l(`InvalidStateError`,`Can not call createOffer after close`));var a=r.transceivers.filter(function(e){return e.kind===`audio`}).length,o=r.transceivers.filter(function(e){return e.kind===`video`}).length,s=arguments[0];if(s){if(s.mandatory||s.optional)throw TypeError(`Legacy mandatory/optional constraints not supported.`);s.offerToReceiveAudio!==void 0&&(a=s.offerToReceiveAudio===!0?1:s.offerToReceiveAudio===!1?0:s.offerToReceiveAudio),s.offerToReceiveVideo!==void 0&&(o=s.offerToReceiveVideo===!0?1:s.offerToReceiveVideo===!1?0:s.offerToReceiveVideo)}for(r.transceivers.forEach(function(e){e.kind===`audio`?(a--,a<0&&(e.wantReceive=!1)):e.kind===`video`&&(o--,o<0&&(e.wantReceive=!1))});a>0||o>0;)a>0&&(r._createTransceiver(`audio`),a--),o>0&&(r._createTransceiver(`video`),o--);var c=n.writeSessionBoilerplate(r._sdpSessionId,r._sdpSessionVersion++);r.transceivers.forEach(function(i,a){var o=i.track,s=i.kind;i.mid=i.mid||n.generateIdentifier(),i.iceGatherer||=r._createIceGatherer(a,r.usingBundle);var c=e.RTCRtpSender.getCapabilities(s);t<15019&&(c.codecs=c.codecs.filter(function(e){return e.name!==`rtx`})),c.codecs.forEach(function(e){e.name===`H264`&&e.parameters[`level-asymmetry-allowed`]===void 0&&(e.parameters[`level-asymmetry-allowed`]=`1`),i.remoteCapabilities&&i.remoteCapabilities.codecs&&i.remoteCapabilities.codecs.forEach(function(t){e.name.toLowerCase()===t.name.toLowerCase()&&e.clockRate===t.clockRate&&(e.preferredPayloadType=t.payloadType)})}),c.headerExtensions.forEach(function(e){(i.remoteCapabilities&&i.remoteCapabilities.headerExtensions||[]).forEach(function(t){e.uri===t.uri&&(e.id=t.id)})});var l=i.sendEncodingParameters||[{ssrc:(2*a+1)*1001}];o&&t>=15019&&s===`video`&&!l[0].rtx&&(l[0].rtx={ssrc:l[0].ssrc+1}),i.wantReceive&&(i.rtpReceiver=new e.RTCRtpReceiver(i.dtlsTransport,s)),i.localCapabilities=c,i.sendEncodingParameters=l}),r._config.bundlePolicy!==`max-compat`&&(c+=`a=group:BUNDLE `+r.transceivers.map(function(e){return e.mid}).join(` `)+`\r
`),c+=`a=ice-options:trickle\r
`,r.transceivers.forEach(function(e,t){c+=i(e,e.localCapabilities,`offer`,e.stream,r._dtlsRole),c+=`a=rtcp-rsize\r
`,e.iceGatherer&&r.iceGatheringState!==`new`&&(t===0||!r.usingBundle)&&(e.iceGatherer.getLocalCandidates().forEach(function(e){e.component=1,c+=`a=`+n.writeCandidate(e)+`\r
`}),e.iceGatherer.state===`completed`&&(c+=`a=end-of-candidates\r
`))});var u=new e.RTCSessionDescription({type:`offer`,sdp:c});return Promise.resolve(u)},p.prototype.createAnswer=function(){var r=this;if(r._isClosed)return Promise.reject(l(`InvalidStateError`,`Can not call createAnswer after close`));if(!(r.signalingState===`have-remote-offer`||r.signalingState===`have-local-pranswer`))return Promise.reject(l(`InvalidStateError`,`Can not call createAnswer in signalingState `+r.signalingState));var a=n.writeSessionBoilerplate(r._sdpSessionId,r._sdpSessionVersion++);r.usingBundle&&(a+=`a=group:BUNDLE `+r.transceivers.map(function(e){return e.mid}).join(` `)+`\r
`),a+=`a=ice-options:trickle\r
`;var s=n.getMediaSections(r._remoteDescription.sdp).length;r.transceivers.forEach(function(e,n){if(!(n+1>s)){if(e.rejected){e.kind===`application`?e.protocol===`DTLS/SCTP`?a+=`m=application 0 DTLS/SCTP 5000\r
`:a+=`m=application 0 `+e.protocol+` webrtc-datachannel\r
`:e.kind===`audio`?a+=`m=audio 0 UDP/TLS/RTP/SAVPF 0\r
a=rtpmap:0 PCMU/8000\r
`:e.kind===`video`&&(a+=`m=video 0 UDP/TLS/RTP/SAVPF 120\r
a=rtpmap:120 VP8/90000\r
`),a+=`c=IN IP4 0.0.0.0\r
a=inactive\r
a=mid:`+e.mid+`\r
`;return}if(e.stream){var c;e.kind===`audio`?c=e.stream.getAudioTracks()[0]:e.kind===`video`&&(c=e.stream.getVideoTracks()[0]),c&&t>=15019&&e.kind===`video`&&!e.sendEncodingParameters[0].rtx&&(e.sendEncodingParameters[0].rtx={ssrc:e.sendEncodingParameters[0].ssrc+1})}var l=o(e.localCapabilities,e.remoteCapabilities);!l.codecs.filter(function(e){return e.name.toLowerCase()===`rtx`}).length&&e.sendEncodingParameters[0].rtx&&delete e.sendEncodingParameters[0].rtx,a+=i(e,l,`answer`,e.stream,r._dtlsRole),e.rtcpParameters&&e.rtcpParameters.reducedSize&&(a+=`a=rtcp-rsize\r
`)}});var c=new e.RTCSessionDescription({type:`answer`,sdp:a});return Promise.resolve(c)},p.prototype.addIceCandidate=function(e){var t=this,r;return e&&!(e.sdpMLineIndex!==void 0||e.sdpMid)?Promise.reject(TypeError(`sdpMLineIndex or sdpMid required`)):new Promise(function(i,a){if(!t._remoteDescription)return a(l(`InvalidStateError`,`Can not add ICE candidate without a remote description`));if(!e||e.candidate===``)for(var o=0;o<t.transceivers.length&&!(!t.transceivers[o].rejected&&(t.transceivers[o].iceTransport.addRemoteCandidate({}),r=n.getMediaSections(t._remoteDescription.sdp),r[o]+=`a=end-of-candidates\r
`,t._remoteDescription.sdp=n.getDescription(t._remoteDescription.sdp)+r.join(``),t.usingBundle));o++);else{var s=e.sdpMLineIndex;if(e.sdpMid){for(var u=0;u<t.transceivers.length;u++)if(t.transceivers[u].mid===e.sdpMid){s=u;break}}var d=t.transceivers[s];if(d){if(d.rejected)return i();var f=Object.keys(e.candidate).length>0?n.parseCandidate(e.candidate):{};if(f.protocol===`tcp`&&(f.port===0||f.port===9)||f.component&&f.component!==1)return i();if((s===0||s>0&&d.iceTransport!==t.transceivers[0].iceTransport)&&!c(d.iceTransport,f))return a(l(`OperationError`,`Can not add ICE candidate`));var p=e.candidate.trim();p.indexOf(`a=`)===0&&(p=p.substr(2)),r=n.getMediaSections(t._remoteDescription.sdp),r[s]+=`a=`+(f.type?p:`end-of-candidates`)+`\r
`,t._remoteDescription.sdp=n.getDescription(t._remoteDescription.sdp)+r.join(``)}else return a(l(`OperationError`,`Can not add ICE candidate`))}i()})},p.prototype.getStats=function(t){if(t&&t instanceof e.MediaStreamTrack){var n=null;if(this.transceivers.forEach(function(e){e.rtpSender&&e.rtpSender.track===t?n=e.rtpSender:e.rtpReceiver&&e.rtpReceiver.track===t&&(n=e.rtpReceiver)}),!n)throw l(`InvalidAccessError`,`Invalid selector.`);return n.getStats()}var r=[];return this.transceivers.forEach(function(e){[`rtpSender`,`rtpReceiver`,`iceGatherer`,`iceTransport`,`dtlsTransport`].forEach(function(t){e[t]&&r.push(e[t].getStats())})}),Promise.all(r).then(function(e){var t=new Map;return e.forEach(function(e){e.forEach(function(e){t.set(e.id,e)})}),t})},[`RTCRtpSender`,`RTCRtpReceiver`,`RTCIceGatherer`,`RTCIceTransport`,`RTCDtlsTransport`].forEach(function(t){var n=e[t];if(n&&n.prototype&&n.prototype.getStats){var i=n.prototype.getStats;n.prototype.getStats=function(){return i.apply(this).then(function(e){var t=new Map;return Object.keys(e).forEach(function(n){e[n].type=r(e[n]),t.set(n,e[n])}),t})}}});var m=[`createOffer`,`createAnswer`];return m.forEach(function(e){var t=p.prototype[e];p.prototype[e]=function(){var e=arguments;return typeof e[0]==`function`||typeof e[1]==`function`?t.apply(this,[arguments[2]]).then(function(t){typeof e[0]==`function`&&e[0].apply(null,[t])},function(t){typeof e[1]==`function`&&e[1].apply(null,[t])}):t.apply(this,arguments)}}),m=[`setLocalDescription`,`setRemoteDescription`,`addIceCandidate`],m.forEach(function(e){var t=p.prototype[e];p.prototype[e]=function(){var e=arguments;return typeof e[1]==`function`||typeof e[2]==`function`?t.apply(this,arguments).then(function(){typeof e[1]==`function`&&e[1].apply(null)},function(t){typeof e[2]==`function`&&e[2].apply(null,[t])}):t.apply(this,arguments)}}),[`getStats`].forEach(function(e){var t=p.prototype[e];p.prototype[e]=function(){var e=arguments;return typeof e[1]==`function`?t.apply(this,arguments).then(function(){typeof e[1]==`function`&&e[1].apply(null)}):t.apply(this,arguments)}}),p}}))());function k(e){let t=e&&e.navigator,n=function(e){return{name:{PermissionDeniedError:`NotAllowedError`}[e.name]||e.name,message:e.message,constraint:e.constraint,toString(){return this.name}}},r=t.mediaDevices.getUserMedia.bind(t.mediaDevices);Object.getOwnPropertyDescriptor(t.mediaDevices,`getUserMedia`)?.writable&&(t.mediaDevices.getUserMedia=function(e){return r(e).catch(e=>Promise.reject(n(e)))})}function ae(e){`getDisplayMedia`in e.navigator&&e.navigator.mediaDevices&&(e.navigator.mediaDevices&&`getDisplayMedia`in e.navigator.mediaDevices||(e.navigator.mediaDevices.getDisplayMedia=e.navigator.getDisplayMedia.bind(e.navigator)))}var oe=e({shimGetDisplayMedia:()=>ae,shimGetUserMedia:()=>k,shimPeerConnection:()=>A,shimReplaceTrack:()=>j});function A(e,t){if(e.RTCIceGatherer&&(e.RTCIceCandidate||=function(e){return e},e.RTCSessionDescription||=function(e){return e},t.version<15025)){let t=Object.getOwnPropertyDescriptor(e.MediaStreamTrack.prototype,`enabled`);Object.defineProperty(e.MediaStreamTrack.prototype,`enabled`,{set(e){t.set.call(this,e);let n=new Event(`enabled`);n.enabled=e,this.dispatchEvent(n)}})}e.RTCRtpSender&&!(`dtmf`in e.RTCRtpSender.prototype)&&Object.defineProperty(e.RTCRtpSender.prototype,`dtmf`,{get(){return this._dtmf===void 0&&(this.track.kind===`audio`?this._dtmf=new e.RTCDtmfSender(this):this.track.kind===`video`&&(this._dtmf=null)),this._dtmf}}),e.RTCDtmfSender&&!e.RTCDTMFSender&&(e.RTCDTMFSender=e.RTCDtmfSender);let n=(0,ie.default)(e,t.version);e.RTCPeerConnection=function(e){return e&&e.iceServers&&(e.iceServers=O(e.iceServers,t.version),d(`ICE servers after filtering:`,e.iceServers)),new n(e)},e.RTCPeerConnection.prototype=n.prototype}function j(e){e.RTCRtpSender&&!(`replaceTrack`in e.RTCRtpSender.prototype)&&(e.RTCRtpSender.prototype.replaceTrack=e.RTCRtpSender.prototype.setTrack)}function M(e,t){let n=e&&e.navigator,r=e&&e.MediaStreamTrack;if(n.getUserMedia=function(e,t,r){f(`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(Object.getOwnPropertyDescriptor(n.mediaDevices,`getUserMedia`)?.writable&&(n.mediaDevices.getUserMedia=function(n){return typeof n==`object`&&typeof n.audio==`object`&&(n=JSON.parse(JSON.stringify(n)),e(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 t=r.prototype.applyConstraints;r.prototype.applyConstraints=function(n){return this.kind===`audio`&&typeof n==`object`&&(n=JSON.parse(JSON.stringify(n)),e(n,`autoGainControl`,`mozAutoGainControl`),e(n,`noiseSuppression`,`mozNoiseSuppression`)),t.apply(this,[n])}}}}function se(e,t){e.navigator.mediaDevices&&`getDisplayMedia`in e.navigator.mediaDevices||e.navigator.mediaDevices&&(e.navigator.mediaDevices.getDisplayMedia=function(n){if(!(n&&n.video)){let e=new DOMException(`getDisplayMedia without video constraints is undefined`);return e.name=`NotFoundError`,e.code=8,Promise.reject(e)}return n.video===!0?n.video={mediaSource:t}:n.video.mediaSource=t,e.navigator.mediaDevices.getUserMedia(n)})}var ce=e({shimAddTransceiver:()=>he,shimCreateAnswer:()=>ve,shimCreateOffer:()=>_e,shimGetDisplayMedia:()=>se,shimGetParameters:()=>ge,shimGetUserMedia:()=>M,shimOnTrack:()=>le,shimPeerConnection:()=>ue,shimRTCDataChannel:()=>me,shimReceiverGetStats:()=>fe,shimRemoveStream:()=>pe,shimSenderGetStats:()=>de});function le(e){typeof e==`object`&&e.RTCTrackEvent&&`receiver`in e.RTCTrackEvent.prototype&&!(`transceiver`in e.RTCTrackEvent.prototype)&&Object.defineProperty(e.RTCTrackEvent.prototype,`transceiver`,{get(){return{receiver:this.receiver}}})}function ue(e,t){if(typeof e!=`object`||!(e.RTCPeerConnection||e.mozRTCPeerConnection))return;!e.RTCPeerConnection&&e.mozRTCPeerConnection&&(e.RTCPeerConnection=e.mozRTCPeerConnection),t.version<53&&[`setLocalDescription`,`setRemoteDescription`,`addIceCandidate`].forEach(function(t){let n=e.RTCPeerConnection.prototype[t],r={[t](){return arguments[0]=new(t===`addIceCandidate`?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),n.apply(this,arguments)}};e.RTCPeerConnection.prototype[t]=r[t]});let n={inboundrtp:`inbound-rtp`,outboundrtp:`outbound-rtp`,candidatepair:`candidate-pair`,localcandidate:`local-candidate`,remotecandidate:`remote-candidate`},r=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){let[e,i,a]=arguments;return r.apply(this,[e||null]).then(e=>{if(t.version<53&&!i)try{e.forEach(e=>{e.type=n[e.type]||e.type})}catch(t){if(t.name!==`TypeError`)throw t;e.forEach((t,r)=>{e.set(r,Object.assign({},t,{type:n[t.type]||t.type}))})}return e}).then(i,a)}}function de(e){if(!(typeof e==`object`&&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 fe(e){if(!(typeof e==`object`&&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}),c(e,`track`,e=>(e.receiver._pc=e.srcElement,e)),e.RTCRtpReceiver.prototype.getStats=function(){return this._pc.getStats(this.track)}}function pe(e){!e.RTCPeerConnection||`removeStream`in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.removeStream=function(e){f(`removeStream`,`removeTrack`),this.getSenders().forEach(t=>{t.track&&e.getTracks().includes(t.track)&&this.removeTrack(t)})})}function me(e){e.DataChannel&&!e.RTCDataChannel&&(e.RTCDataChannel=e.DataChannel)}function he(e){if(!(typeof e==`object`&&e.RTCPeerConnection))return;let t=e.RTCPeerConnection.prototype.addTransceiver;t&&(e.RTCPeerConnection.prototype.addTransceiver=function(){this.setParametersPromises=[];let e=arguments[1],n=e&&`sendEncodings`in e;n&&e.sendEncodings.forEach(e=>{if(`rid`in e&&!/^[a-z0-9]{0,16}$/i.test(e.rid))throw TypeError(`Invalid RID value provided.`);if(`scaleResolutionDownBy`in e&&!(parseFloat(e.scaleResolutionDownBy)>=1))throw RangeError(`scale_resolution_down_by must be >= 1.0`);if(`maxFramerate`in e&&!(parseFloat(e.maxFramerate)>=0))throw RangeError(`max_framerate must be >= 0.0`)});let r=t.apply(this,arguments);if(n){let{sender:t}=r,n=t.getParameters();(!(`encodings`in n)||n.encodings.length===1&&Object.keys(n.encodings[0]).length===0)&&(n.encodings=e.sendEncodings,t.sendEncodings=e.sendEncodings,this.setParametersPromises.push(t.setParameters(n).then(()=>{delete t.sendEncodings}).catch(()=>{delete t.sendEncodings})))}return r})}function ge(e){if(!(typeof e==`object`&&e.RTCRtpSender))return;let t=e.RTCRtpSender.prototype.getParameters;t&&(e.RTCRtpSender.prototype.getParameters=function(){let e=t.apply(this,arguments);return`encodings`in e||(e.encodings=[].concat(this.sendEncodings||[{}])),e})}function _e(e){if(!(typeof e==`object`&&e.RTCPeerConnection))return;let t=e.RTCPeerConnection.prototype.createOffer;e.RTCPeerConnection.prototype.createOffer=function(){return this.setParametersPromises&&this.setParametersPromises.length?Promise.all(this.setParametersPromises).then(()=>t.apply(this,arguments)).finally(()=>{this.setParametersPromises=[]}):t.apply(this,arguments)}}function ve(e){if(!(typeof e==`object`&&e.RTCPeerConnection))return;let t=e.RTCPeerConnection.prototype.createAnswer;e.RTCPeerConnection.prototype.createAnswer=function(){return this.setParametersPromises&&this.setParametersPromises.length?Promise.all(this.setParametersPromises).then(()=>t.apply(this,arguments)).finally(()=>{this.setParametersPromises=[]}):t.apply(this,arguments)}}var ye=e({shimAudioContext:()=>Oe,shimCallbacksAPI:()=>Se,shimConstraints:()=>we,shimCreateOfferLegacy:()=>De,shimGetUserMedia:()=>Ce,shimLocalStreamsAPI:()=>be,shimRTCIceServerUrls:()=>Te,shimRemoteStreamsAPI:()=>xe,shimTrackEventTransceiver:()=>Ee});function be(e){if(!(typeof e!=`object`||!e.RTCPeerConnection)){if(`getLocalStreams`in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.getLocalStreams=function(){return this._localStreams||=[],this._localStreams}),!(`addStream`in e.RTCPeerConnection.prototype)){let 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n&&n.constructor==Object?r=n:n&&(a=n.toString()),r=Q({debug:0,host:L.CLOUD_HOST,port:L.CLOUD_PORT,path:`/`,key:t.DEFAULT_KEY,token:L.randomToken(),config:L.defaultConfig,referrerPolicy:`strict-origin-when-cross-origin`},r),i._options=r,i._options.host===`/`&&(i._options.host=window.location.hostname),i._options.path&&(i._options.path[0]!==`/`&&(i._options.path=`/`+i._options.path),i._options.path[i._options.path.length-1]!==`/`&&(i._options.path+=`/`)),i._options.secure===void 0&&i._options.host!==L.CLOUD_HOST?i._options.secure=L.isSecure():i._options.host==L.CLOUD_HOST&&(i._options.secure=!0),i._options.logFunction&&H.default.setLogFunction(i._options.logFunction),H.default.logLevel=i._options.debug||0,i._api=new yt.API(r),i._socket=i._createServerConnection(),!L.supports.audioVideo&&!L.supports.data?(i._delayedAbort(q.BrowserIncompatible,`The current browser does not support WebRTC`),i):a&&!L.validateId(a)?(i._delayedAbort(q.InvalidID,`ID "${a}" is 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n},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,`destroyed`,{get:function(){return this._destroyed},enumerable:!1,configurable:!0}),Object.defineProperty(t.prototype,`disconnected`,{get:function(){return this._disconnected},enumerable:!1,configurable:!0}),t.prototype._createServerConnection=function(){var e=this,t=new qe.Socket(this._options.secure,this._options.host,this._options.port,this._options.path,this._options.key,this._options.pingInterval);return t.on(Y.Message,function(t){e._handleMessage(t)}),t.on(Y.Error,function(t){e._abort(q.SocketError,t)}),t.on(Y.Disconnected,function(){e.disconnected||(e.emitError(q.Network,`Lost connection to server.`),e.disconnect())}),t.on(Y.Close,function(){e.disconnected||e._abort(q.SocketClosed,`Underlying socket is already closed.`)}),t},t.prototype._initialize=function(e){this._id=e,this.socket.start(e,this._options.token)},t.prototype._handleMessage=function(e){var t,n,r=e.type,i=e.payload,a=e.src;switch(r){case X.Open:this._lastServerId=this.id,this._open=!0,this.emit(`open`,this.id);break;case X.Error:this._abort(q.ServerError,i.msg);break;case X.IdTaken:this._abort(q.UnavailableID,`ID "${this.id}" is taken`);break;case X.InvalidKey:this._abort(q.InvalidKey,`API KEY "${this._options.key}" is invalid`);break;case X.Leave:H.default.log(`Received leave message from ${a}`),this._cleanupPeer(a),this._connections.delete(a);break;case X.Expire:this.emitError(q.PeerUnavailable,`Could not connect to peer ${a}`);break;case X.Offer:var o=i.connectionId,s=this.getConnection(a,o);if(s&&(s.close(),H.default.warn(`Offer received for existing Connection ID:${o}`)),i.type===K.Media){var c=new et.MediaConnection(a,this,{connectionId:o,_payload:i,metadata:i.metadata});s=c,this._addConnection(a,s),this.emit(`call`,c)}else if(i.type===K.Data){var l=new ft.DataConnection(a,this,{connectionId:o,_payload:i,metadata:i.metadata,label:i.label,serialization:i.serialization,reliable:i.reliable});s=l,this._addConnection(a,s),this.emit(`connection`,l)}else{H.default.warn(`Received malformed connection type:${i.type}`);return}var u=this._getMessages(o);try{for(var d=$(u),f=d.next();!f.done;f=d.next()){var p=f.value;s.handleMessage(p)}}catch(e){t={error:e}}finally{try{f&&!f.done&&(n=d.return)&&n.call(d)}finally{if(t)throw t.error}}break;default:if(!i){H.default.warn(`You received a malformed message from ${a} of type ${r}`);return}var o=i.connectionId,s=this.getConnection(a,o);s&&s.peerConnection?s.handleMessage(e):o?this._storeMessage(o,e):H.default.warn(`You received an unrecognized message:`,e);break}},t.prototype._storeMessage=function(e,t){this._lostMessages.has(e)||this._lostMessages.set(e,[]),this._lostMessages.get(e).push(t)},t.prototype._getMessages=function(e){var t=this._lostMessages.get(e);return t?(this._lostMessages.delete(e),t):[]},t.prototype.connect=function(e,t){if(t===void 0&&(t={}),this.disconnected){H.default.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(q.Disconnected,`Cannot connect to new Peer after disconnecting from server.`);return}var n=new ft.DataConnection(e,this,t);return this._addConnection(e,n),n},t.prototype.call=function(e,t,n){if(n===void 0&&(n={}),this.disconnected){H.default.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(q.Disconnected,`Cannot connect to new Peer after disconnecting from server.`);return}if(!t){H.default.error("To call a peer, you must provide a stream from your browser's `getUserMedia`.");return}var r=new et.MediaConnection(e,this,Q(Q({},n),{_stream:t}));return this._addConnection(e,r),r},t.prototype._addConnection=function(e,t){H.default.log(`add connection ${t.type}:${t.connectionId} to peerId:${e}`),this._connections.has(e)||this._connections.set(e,[]),this._connections.get(e).push(t)},t.prototype._removeConnection=function(e){var t=this._connections.get(e.peer);if(t){var n=t.indexOf(e);n!==-1&&t.splice(n,1)}this._lostMessages.delete(e.connectionId)},t.prototype.getConnection=function(e,t){var n,r,i=this._connections.get(e);if(!i)return null;try{for(var a=$(i),o=a.next();!o.done;o=a.next()){var s=o.value;if(s.connectionId===t)return s}}catch(e){n={error:e}}finally{try{o&&!o.done&&(r=a.return)&&r.call(a)}finally{if(n)throw n.error}}return null},t.prototype._delayedAbort=function(e,t){var n=this;setTimeout(function(){n._abort(e,t)},0)},t.prototype._abort=function(e,t){H.default.error(`Aborting!`),this.emitError(e,t),this._lastServerId?this.disconnect():this.destroy()},t.prototype.emitError=function(e,t){H.default.error(`Error:`,t);var n=typeof t==`string`?Error(t):t;n.type=e,this.emit(`error`,n)},t.prototype.destroy=function(){this.destroyed||(H.default.log(`Destroy peer with ID:${this.id}`),this.disconnect(),this._cleanup(),this._destroyed=!0,this.emit(`close`))},t.prototype._cleanup=function(){var e,t;try{for(var n=$(this._connections.keys()),r=n.next();!r.done;r=n.next()){var i=r.value;this._cleanupPeer(i),this._connections.delete(i)}}catch(t){e={error:t}}finally{try{r&&!r.done&&(t=n.return)&&t.call(n)}finally{if(e)throw e.error}}this.socket.removeAllListeners()},t.prototype._cleanupPeer=function(e){var t,n,r=this._connections.get(e);if(r)try{for(var i=$(r),a=i.next();!a.done;a=i.next())a.value.close()}catch(e){t={error:e}}finally{try{a&&!a.done&&(n=i.return)&&n.call(i)}finally{if(t)throw t.error}}},t.prototype.disconnect=function(){if(!this.disconnected){var e=this.id;H.default.log(`Disconnect peer with ID:${e}`),this._disconnected=!0,this._open=!1,this.socket.close(),this._lastServerId=e,this._id=null,this.emit(`disconnected`,e)}},t.prototype.reconnect=function(){if(this.disconnected&&!this.destroyed)H.default.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)H.default.error(`In a hurry? We're still trying to make the initial connection!`);else throw Error(`Peer ${this.id} cannot reconnect because it is not disconnected from the server!`)},t.prototype.listAllPeers=function(e){var t=this;e===void 0&&(e=function(e){}),this._api.listAllPeers().then(function(t){return e(t)}).catch(function(e){return t._abort(q.ServerError,e)})},t.DEFAULT_KEY=`peerjs`,t}(R.EventEmitter),Et=Be.Peer;export{Le as t};