p2p.js

(()=>{function e(e,t,n,r){Object.defineProperty(e,t,{get:n,set:r,enumerable:!0,configurable:!0})}function t(e){return e&&e.__esModule?e.default:e}class n{constructor(){this.chunkedMTU=16300,this._dataCount=1,this.chunk=e=>{let t=[],n=e.byteLength,r=Math.ceil(n/this.chunkedMTU),i=0,s=0;for(;s<n;){let o=Math.min(n,s+this.chunkedMTU),a=e.slice(s,o),c={__peerData:this._dataCount,n:i,data:a,total:r};t.push(c),s=o,i++}return this._dataCount++,t}}}class r{append_buffer(e){this.flush(),this._parts.push(e)}append(e){this._pieces.push(e)}flush(){if(this._pieces.length>0){let e=new Uint8Array(this._pieces);this._parts.push(e),this._pieces=[]}}toArrayBuffer(){let e=[];for(let t of this._parts)e.push(t);return 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){let e=new Uint8Array(t.buffer,t.byteOffset,t.byteLength);n.set(e,r),r+=t.byteLength}return n}(e).buffer}constructor(){this.encoder=new TextEncoder,this._pieces=[],this._parts=[]}}function i(e){return new o(e).unpack()}function s(e){let t=new a,n=t.pack(e);return n instanceof Promise?n.then(()=>t.getBuffer()):t.getBuffer()}class o{unpack(){let e,t=this.unpack_uint8();if(t<128)return t;if((224^t)<32)return(224^t)-32;if((e=160^t)<=15)return this.unpack_raw(e);if((e=176^t)<=15)return this.unpack_string(e);if((e=144^t)<=15)return this.unpack_array(e);if((e=128^t)<=15)return this.unpack_map(e);switch(t){case 192:return null;case 193:case 212:case 213:case 214:case 215:return;case 194:return!1;case 195:return!0;case 202:return this.unpack_float();case 203:return this.unpack_double();case 204:return this.unpack_uint8();case 205:return this.unpack_uint16();case 206:return this.unpack_uint32();case 207:return this.unpack_uint64();case 208:return this.unpack_int8();case 209:return this.unpack_int16();case 210:return this.unpack_int32();case 211:return this.unpack_int64();case 216:return e=this.unpack_uint16(),this.unpack_string(e);case 217:return e=this.unpack_uint32(),this.unpack_string(e);case 218:return e=this.unpack_uint16(),this.unpack_raw(e);case 219:return e=this.unpack_uint32(),this.unpack_raw(e);case 220:return e=this.unpack_uint16(),this.unpack_array(e);case 221:return e=this.unpack_uint32(),this.unpack_array(e);case 222:return e=this.unpack_uint16(),this.unpack_map(e);case 223:return e=this.unpack_uint32(),this.unpack_map(e)}}unpack_uint8(){let e=255&this.dataView[this.index];return this.index++,e}unpack_uint16(){let e=this.read(2),t=(255&e[0])*256+(255&e[1]);return this.index+=2,t}unpack_uint32(){let e=this.read(4),t=((256*e[0]+e[1])*256+e[2])*256+e[3];return this.index+=4,t}unpack_uint64(){let e=this.read(8),t=((((((256*e[0]+e[1])*256+e[2])*256+e[3])*256+e[4])*256+e[5])*256+e[6])*256+e[7];return this.index+=8,t}unpack_int8(){let e=this.unpack_uint8();return e<128?e:e-256}unpack_int16(){let e=this.unpack_uint16();return e<32768?e:e-65536}unpack_int32(){let e=this.unpack_uint32();return e<0x80000000?e:e-0x100000000}unpack_int64(){let e=this.unpack_uint64();return e<0x8000000000000000?e:e-0xffffffffffffffff}unpack_raw(e){if(this.length<this.index+e)throw Error(`BinaryPackFailure: index is out of range ${this.index} ${e} ${this.length}`);let t=this.dataBuffer.slice(this.index,this.index+e);return this.index+=e,t}unpack_string(e){let t,n,r=this.read(e),i=0,s="";for(;i<e;)(t=r[i])<160?(n=t,i++):(192^t)<32?(n=(31&t)<<6|63&r[i+1],i+=2):(224^t)<16?(n=(15&t)<<12|(63&r[i+1])<<6|63&r[i+2],i+=3):(n=(7&t)<<18|(63&r[i+1])<<12|(63&r[i+2])<<6|63&r[i+3],i+=4),s+=String.fromCodePoint(n);return this.index+=e,s}unpack_array(e){let t=Array(e);for(let n=0;n<e;n++)t[n]=this.unpack();return t}unpack_map(e){let t={};for(let n=0;n<e;n++)t[this.unpack()]=this.unpack();return t}unpack_float(){let e=this.unpack_uint32();return(0==e>>31?1:-1)*(8388607&e|8388608)*2**((e>>23&255)-127-23)}unpack_double(){let e=this.unpack_uint32(),t=this.unpack_uint32(),n=(e>>20&2047)-1023;return(0==e>>31?1:-1)*((1048575&e|1048576)*2**(n-20)+t*2**(n-52))}read(e){let t=this.index;if(t+e<=this.length)return this.dataView.subarray(t,t+e);throw Error("BinaryPackFailure: read index out of range")}constructor(e){this.index=0,this.dataBuffer=e,this.dataView=new Uint8Array(this.dataBuffer),this.length=this.dataBuffer.byteLength}}class a{getBuffer(){return this._bufferBuilder.toArrayBuffer()}pack(e){if("string"==typeof e)this.pack_string(e);else if("number"==typeof e)Math.floor(e)===e?this.pack_integer(e):this.pack_double(e);else if("boolean"==typeof e)!0===e?this._bufferBuilder.append(195):!1===e&&this._bufferBuilder.append(194);else if(void 0===e)this._bufferBuilder.append(192);else if("object"==typeof e)if(null===e)this._bufferBuilder.append(192);else{let t=e.constructor;if(e instanceof Array){let t=this.pack_array(e);if(t instanceof Promise)return t.then(()=>this._bufferBuilder.flush())}else if(e instanceof ArrayBuffer)this.pack_bin(new Uint8Array(e));else if("BYTES_PER_ELEMENT"in e)this.pack_bin(new Uint8Array(e.buffer,e.byteOffset,e.byteLength));else if(e instanceof Date)this.pack_string(e.toString());else if(e instanceof Blob)return e.arrayBuffer().then(e=>{this.pack_bin(new Uint8Array(e)),this._bufferBuilder.flush()});else if(t==Object||t.toString().startsWith("class")){let t=this.pack_object(e);if(t instanceof Promise)return t.then(()=>this._bufferBuilder.flush())}else throw Error(`Type "${t.toString()}" not yet supported`)}else throw Error(`Type "${typeof e}" not yet supported`);this._bufferBuilder.flush()}pack_bin(e){let t=e.length;if(t<=15)this.pack_uint8(160+t);else if(t<=65535)this._bufferBuilder.append(218),this.pack_uint16(t);else if(t<=0xffffffff)this._bufferBuilder.append(219),this.pack_uint32(t);else throw Error("Invalid length");this._bufferBuilder.append_buffer(e)}pack_string(e){let t=this._textEncoder.encode(e),n=t.length;if(n<=15)this.pack_uint8(176+n);else if(n<=65535)this._bufferBuilder.append(216),this.pack_uint16(n);else if(n<=0xffffffff)this._bufferBuilder.append(217),this.pack_uint32(n);else throw Error("Invalid length");this._bufferBuilder.append_buffer(t)}pack_array(e){let t=e.length;if(t<=15)this.pack_uint8(144+t);else if(t<=65535)this._bufferBuilder.append(220),this.pack_uint16(t);else if(t<=0xffffffff)this._bufferBuilder.append(221),this.pack_uint32(t);else throw Error("Invalid length");let n=r=>{if(r<t){let t=this.pack(e[r]);return t instanceof Promise?t.then(()=>n(r+1)):n(r+1)}};return n(0)}pack_integer(e){if(e>=-32&&e<=127)this._bufferBuilder.append(255&e);else if(e>=0&&e<=255)this._bufferBuilder.append(204),this.pack_uint8(e);else if(e>=-128&&e<=127)this._bufferBuilder.append(208),this.pack_int8(e);else if(e>=0&&e<=65535)this._bufferBuilder.append(205),this.pack_uint16(e);else if(e>=-32768&&e<=32767)this._bufferBuilder.append(209),this.pack_int16(e);else if(e>=0&&e<=0xffffffff)this._bufferBuilder.append(206),this.pack_uint32(e);else if(e>=-0x80000000&&e<=0x7fffffff)this._bufferBuilder.append(210),this.pack_int32(e);else if(e>=-0x8000000000000000&&e<=0x8000000000000000)this._bufferBuilder.append(211),this.pack_int64(e);else if(e>=0&&e<=0xffffffffffffffff)this._bufferBuilder.append(207),this.pack_uint64(e);else throw Error("Invalid integer")}pack_double(e){let t=0;e<0&&(t=1,e=-e);let n=Math.floor(Math.log(e)/Math.LN2),r=Math.floor((e/2**n-1)*0x10000000000000),i=t<<31|n+1023<<20|r/0x100000000&1048575;this._bufferBuilder.append(203),this.pack_int32(i),this.pack_int32(r%0x100000000)}pack_object(e){let t=Object.keys(e),n=t.length;if(n<=15)this.pack_uint8(128+n);else if(n<=65535)this._bufferBuilder.append(222),this.pack_uint16(n);else if(n<=0xffffffff)this._bufferBuilder.append(223),this.pack_uint32(n);else throw Error("Invalid length");let r=n=>{if(n<t.length){let i=t[n];if(e.hasOwnProperty(i)){this.pack(i);let t=this.pack(e[i]);if(t instanceof Promise)return t.then(()=>r(n+1))}return r(n+1)}};return r(0)}pack_uint8(e){this._bufferBuilder.append(e)}pack_uint16(e){this._bufferBuilder.append(e>>8),this._bufferBuilder.append(255&e)}pack_uint32(e){let t=0|e;this._bufferBuilder.append((0xff000000&t)>>>24),this._bufferBuilder.append((0xff0000&t)>>>16),this._bufferBuilder.append((65280&t)>>>8),this._bufferBuilder.append(255&t)}pack_uint64(e){let t=e/0x100000000,n=e%0x100000000;this._bufferBuilder.append((0xff000000&t)>>>24),this._bufferBuilder.append((0xff0000&t)>>>16),this._bufferBuilder.append((65280&t)>>>8),this._bufferBuilder.append(255&t),this._bufferBuilder.append((0xff000000&n)>>>24),this._bufferBuilder.append((0xff0000&n)>>>16),this._bufferBuilder.append((65280&n)>>>8),this._bufferBuilder.append(255&n)}pack_int8(e){this._bufferBuilder.append(255&e)}pack_int16(e){this._bufferBuilder.append((65280&e)>>8),this._bufferBuilder.append(255&e)}pack_int32(e){this._bufferBuilder.append(e>>>24&255),this._bufferBuilder.append((0xff0000&e)>>>16),this._bufferBuilder.append((65280&e)>>>8),this._bufferBuilder.append(255&e)}pack_int64(e){let t=Math.floor(e/0x100000000),n=e%0x100000000;this._bufferBuilder.append((0xff000000&t)>>>24),this._bufferBuilder.append((0xff0000&t)>>>16),this._bufferBuilder.append((65280&t)>>>8),this._bufferBuilder.append(255&t),this._bufferBuilder.append((0xff000000&n)>>>24),this._bufferBuilder.append((0xff0000&n)>>>16),this._bufferBuilder.append((65280&n)>>>8),this._bufferBuilder.append(255&n)}constructor(){this._bufferBuilder=new r,this._textEncoder=new TextEncoder}}"use strict";let c=!0,p=!0;function d(e,t,n){let r=e.match(t);return r&&r.length>=n&&parseInt(r[n],10)}function l(e,t,n){if(!e.RTCPeerConnection)return;let r=e.RTCPeerConnection.prototype,i=r.addEventListener;r.addEventListener=function(e,r){if(e!==t)return i.apply(this,arguments);let s=e=>{let t=n(e);t&&(r.handleEvent?r.handleEvent(t):r(t))};return this._eventMap=this._eventMap||{},this._eventMap[t]||(this._eventMap[t]=new Map),this._eventMap[t].set(r,s),i.apply(this,[e,s])};let s=r.removeEventListener;r.removeEventListener=function(e,n){if(e!==t||!this._eventMap||!this._eventMap[t]||!this._eventMap[t].has(n))return s.apply(this,arguments);let r=this._eventMap[t].get(n);return this._eventMap[t].delete(n),0===this._eventMap[t].size&&delete this._eventMap[t],0===Object.keys(this._eventMap).length&&delete this._eventMap,s.apply(this,[e,r])},Object.defineProperty(r,"on"+t,{get(){return this["_on"+t]},set(e){this["_on"+t]&&(this.removeEventListener(t,this["_on"+t]),delete this["_on"+t]),e&&this.addEventListener(t,this["_on"+t]=e)},enumerable:!0,configurable:!0})}function h(e){return"boolean"!=typeof e?Error("Argument type: "+typeof e+". Please use a boolean."):(c=e,e?"adapter.js logging disabled":"adapter.js logging enabled")}function u(e){return"boolean"!=typeof e?Error("Argument type: "+typeof e+". Please use a boolean."):(p=!e,"adapter.js deprecation warnings "+(e?"disabled":"enabled"))}function f(){"object"==typeof window&&(c||"undefined"!=typeof console&&"function"==typeof console.log&&console.log.apply(console,arguments))}function m(e,t){p&&console.warn(e+" is deprecated, please use "+t+" instead.")}function _(e){return"[object Object]"===Object.prototype.toString.call(e)}function g(e,t,n){let r=n?"outbound-rtp":"inbound-rtp",i=new Map;if(null===t)return i;let s=[];return e.forEach(e=>{"track"===e.type&&e.trackIdentifier===t.id&&s.push(e)}),s.forEach(t=>{e.forEach(n=>{n.type===r&&n.trackId===t.id&&function e(t,n,r){!n||r.has(n.id)||(r.set(n.id,n),Object.keys(n).forEach(i=>{i.endsWith("Id")?e(t,t.get(n[i]),r):i.endsWith("Ids")&&n[i].forEach(n=>{e(t,t.get(n),r)})}))}(e,n,i)})}),i}"use strict";var y={};function C(e,t){let n=e&&e.navigator;if(!n.mediaDevices)return;let r=function(e){if("object"!=typeof e||e.mandatory||e.optional)return e;let t={};return Object.keys(e).forEach(n=>{if("require"===n||"advanced"===n||"mediaSource"===n)return;let r="object"==typeof e[n]?e[n]:{ideal:e[n]};void 0!==r.exact&&"number"==typeof r.exact&&(r.min=r.max=r.exact);let i=function(e,t){return e?e+t.charAt(0).toUpperCase()+t.slice(1):"deviceId"===t?"sourceId":t};if(void 0!==r.ideal){t.optional=t.optional||[];let e={};"number"==typeof r.ideal?(e[i("min",n)]=r.ideal,t.optional.push(e),(e={})[i("max",n)]=r.ideal):e[i("",n)]=r.ideal,t.optional.push(e)}void 0!==r.exact&&"number"!=typeof r.exact?(t.mandatory=t.mandatory||{},t.mandatory[i("",n)]=r.exact):["min","max"].forEach(e=>{void 0!==r[e]&&(t.mandatory=t.mandatory||{},t.mandatory[i(e,n)]=r[e])})}),e.advanced&&(t.optional=(t.optional||[]).concat(e.advanced)),t},i=function(e,i){if(t.version>=61)return i(e);if((e=JSON.parse(JSON.stringify(e)))&&"object"==typeof e.audio){let t=function(e,t,n){t in e&&!(n in e)&&(e[n]=e[t],delete e[t])};t((e=JSON.parse(JSON.stringify(e))).audio,"autoGainControl","googAutoGainControl"),t(e.audio,"noiseSuppression","googNoiseSuppression"),e.audio=r(e.audio)}if(e&&"object"==typeof e.video){let s=e.video.facingMode;s=s&&("object"==typeof s?s:{ideal:s});let o=t.version<66;if(s&&("user"===s.exact||"environment"===s.exact||"user"===s.ideal||"environment"===s.ideal)&&!(n.mediaDevices.getSupportedConstraints&&n.mediaDevices.getSupportedConstraints().facingMode&&!o)){let t;if(delete e.video.facingMode,"environment"===s.exact||"environment"===s.ideal?t=["back","rear"]:("user"===s.exact||"user"===s.ideal)&&(t=["front"]),t)return n.mediaDevices.enumerateDevices().then(n=>{let o=(n=n.filter(e=>"videoinput"===e.kind)).find(e=>t.some(t=>e.label.toLowerCase().includes(t)));return!o&&n.length&&t.includes("back")&&(o=n[n.length-1]),o&&(e.video.deviceId=s.exact?{exact:o.deviceId}:{ideal:o.deviceId}),e.video=r(e.video),f("chrome: "+JSON.stringify(e)),i(e)})}e.video=r(e.video)}return f("chrome: "+JSON.stringify(e)),i(e)},s=function(e){return t.version>=64?e:{name:({PermissionDeniedError:"NotAllowedError",PermissionDismissedError:"NotAllowedError",InvalidStateError:"NotAllowedError",DevicesNotFoundError:"NotFoundError",ConstraintNotSatisfiedError:"OverconstrainedError",TrackStartError:"NotReadableError",MediaDeviceFailedDueToShutdown:"NotAllowedError",MediaDeviceKillSwitchOn:"NotAllowedError",TabCaptureError:"AbortError",ScreenCaptureError:"AbortError",DeviceCaptureError:"AbortError"})[e.name]||e.name,message:e.message,constraint:e.constraint||e.constraintName,toString(){return this.name+(this.message&&": ")+this.message}}};if(n.getUserMedia=(function(e,t,r){i(e,e=>{n.webkitGetUserMedia(e,t,e=>{r&&r(s(e))})})}).bind(n),n.mediaDevices.getUserMedia){let e=n.mediaDevices.getUserMedia.bind(n.mediaDevices);n.mediaDevices.getUserMedia=function(t){return i(t,t=>e(t).then(e=>{if(t.audio&&!e.getAudioTracks().length||t.video&&!e.getVideoTracks().length)throw e.getTracks().forEach(e=>{e.stop()}),new DOMException("","NotFoundError");return e},e=>Promise.reject(s(e))))}}}"use strict";function v(e){e.MediaStream=e.MediaStream||e.webkitMediaStream}function b(e){if("object"!=typeof e||!e.RTCPeerConnection||"ontrack"in e.RTCPeerConnection.prototype)l(e,"track",e=>(e.transceiver||Object.defineProperty(e,"transceiver",{value:{receiver:e.receiver}}),e));else{Object.defineProperty(e.RTCPeerConnection.prototype,"ontrack",{get(){return this._ontrack},set(e){this._ontrack&&this.removeEventListener("track",this._ontrack),this.addEventListener("track",this._ontrack=e)},enumerable:!0,configurable:!0});let t=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){return this._ontrackpoly||(this._ontrackpoly=t=>{t.stream.addEventListener("addtrack",n=>{let r;r=e.RTCPeerConnection.prototype.getReceivers?this.getReceivers().find(e=>e.track&&e.track.id===n.track.id):{track:n.track};let i=new Event("track");i.track=n.track,i.receiver=r,i.transceiver={receiver:r},i.streams=[t.stream],this.dispatchEvent(i)}),t.stream.getTracks().forEach(n=>{let r;r=e.RTCPeerConnection.prototype.getReceivers?this.getReceivers().find(e=>e.track&&e.track.id===n.id):{track:n};let i=new Event("track");i.track=n,i.receiver=r,i.transceiver={receiver:r},i.streams=[t.stream],this.dispatchEvent(i)})},this.addEventListener("addstream",this._ontrackpoly)),t.apply(this,arguments)}}}function T(e){if("object"==typeof e&&e.RTCPeerConnection&&!("getSenders"in e.RTCPeerConnection.prototype)&&"createDTMFSender"in e.RTCPeerConnection.prototype){let t=function(e,t){return{track:t,get dtmf(){return void 0===this._dtmf&&("audio"===t.kind?this._dtmf=e.createDTMFSender(t):this._dtmf=null),this._dtmf},_pc:e}};if(!e.RTCPeerConnection.prototype.getSenders){e.RTCPeerConnection.prototype.getSenders=function(){return this._senders=this._senders||[],this._senders.slice()};let n=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,r){let i=n.apply(this,arguments);return i||(i=t(this,e),this._senders.push(i)),i};let r=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){r.apply(this,arguments);let t=this._senders.indexOf(e);-1!==t&&this._senders.splice(t,1)}}let n=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){this._senders=this._senders||[],n.apply(this,[e]),e.getTracks().forEach(e=>{this._senders.push(t(this,e))})};let r=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){this._senders=this._senders||[],r.apply(this,[e]),e.getTracks().forEach(e=>{let t=this._senders.find(t=>t.track===e);t&&this._senders.splice(this._senders.indexOf(t),1)})}}else if("object"==typeof e&&e.RTCPeerConnection&&"getSenders"in e.RTCPeerConnection.prototype&&"createDTMFSender"in e.RTCPeerConnection.prototype&&e.RTCRtpSender&&!("dtmf"in e.RTCRtpSender.prototype)){let t=e.RTCPeerConnection.prototype.getSenders;e.RTCPeerConnection.prototype.getSenders=function(){let e=t.apply(this,[]);return e.forEach(e=>e._pc=this),e},Object.defineProperty(e.RTCRtpSender.prototype,"dtmf",{get(){return void 0===this._dtmf&&("audio"===this.track.kind?this._dtmf=this._pc.createDTMFSender(this.track):this._dtmf=null),this._dtmf}})}}function S(e){if(!("object"==typeof e&&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}),l(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,t,n,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 k(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 R(e,t){if(!e.RTCPeerConnection)return;if(e.RTCPeerConnection.prototype.addTrack&&t.version>=65)return k(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 s(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=s(this,t);e[0].apply(null,[n])},t=>{e[1]&&e[1].apply(null,t)},arguments[2]]):n.apply(this,arguments).then(e=>s(this,e))}})[t]});let o=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})),o.apply(this,arguments)):o.apply(this,arguments)};let a=Object.getOwnPropertyDescriptor(e.RTCPeerConnection.prototype,"localDescription");Object.defineProperty(e.RTCPeerConnection.prototype,"localDescription",{get(){let e=a.get.apply(this);return""===e.type?e:s(this,e)}}),e.RTCPeerConnection.prototype.removeTrack=function(e){let t;if("closed"===this.signalingState)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||{},Object.keys(this._streams).forEach(n=>{this._streams[n].getTracks().find(t=>e.track===t)&&(t=this._streams[n])}),t&&(1===t.getTracks().length?this.removeStream(this._reverseStreams[t.id]):t.removeTrack(e.track),this.dispatchEvent(new Event("negotiationneeded")))}}function P(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];e.RTCPeerConnection.prototype[t]=({[t](){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),n.apply(this,arguments)}})[t]})}function w(e,t){l(e,"negotiationneeded",e=>{let n=e.target;if(!(t.version<72)&&(!n.getConfiguration||"plan-b"!==n.getConfiguration().sdpSemantics)||"stable"===n.signalingState)return e})}"use strict";e(y,"shimMediaStream",()=>v),e(y,"shimOnTrack",()=>b),e(y,"shimGetSendersWithDtmf",()=>T),e(y,"shimSenderReceiverGetStats",()=>S),e(y,"shimAddTrackRemoveTrackWithNative",()=>k),e(y,"shimAddTrackRemoveTrack",()=>R),e(y,"shimPeerConnection",()=>P),e(y,"fixNegotiationNeeded",()=>w),e(y,"shimGetUserMedia",()=>C);var E={};function x(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 t=r.prototype.applyConstraints;r.prototype.applyConstraints=function(n){return"audio"===this.kind&&"object"==typeof n&&(e(n=JSON.parse(JSON.stringify(n)),"autoGainControl","mozAutoGainControl"),e(n,"noiseSuppression","mozNoiseSuppression")),t.apply(this,[n])}}}}"use strict";function D(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!0===n.video?n.video={mediaSource:t}:n.video.mediaSource=t,e.navigator.mediaDevices.getUserMedia(n)})}"use strict";function I(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 M(e,t){if("object"!=typeof e||!(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];e.RTCPeerConnection.prototype[t]=({[t](){return arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]),n.apply(this,arguments)}})[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,s]=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("TypeError"!==t.name)throw t;e.forEach((t,r)=>{e.set(r,Object.assign({},t,{type:n[t.type]||t.type}))})}return e}).then(i,s)}}function O(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 L(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}),l(e,"track",e=>(e.receiver._pc=e.srcElement,e)),e.RTCRtpReceiver.prototype.getStats=function(){return this._pc.getStats(this.track)}}function A(e){!e.RTCPeerConnection||"removeStream"in e.RTCPeerConnection.prototype||(e.RTCPeerConnection.prototype.removeStream=function(e){m("removeStream","removeTrack"),this.getSenders().forEach(t=>{t.track&&e.getTracks().includes(t.track)&&this.removeTrack(t)})})}function j(e){e.DataChannel&&!e.RTCDataChannel&&(e.RTCDataChannel=e.DataChannel)}function B(e){if(!("object"==typeof e&&e.RTCPeerConnection))return;let t=e.RTCPeerConnection.prototype.addTransceiver;t&&(e.RTCPeerConnection.prototype.addTransceiver=function(){this.setParametersPromises=[];let e=arguments[1]&&arguments[1].sendEncodings;void 0===e&&(e=[]);let n=(e=[...e]).length>0;n&&e.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&&(1!==n.encodings.length||0!==Object.keys(n.encodings[0]).length)||(n.encodings=e,t.sendEncodings=e,this.setParametersPromises.push(t.setParameters(n).then(()=>{delete t.sendEncodings}).catch(()=>{delete t.sendEncodings})))}return r})}function U(e){if(!("object"==typeof e&&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 F(e){if(!("object"==typeof e&&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 N(e){if(!("object"==typeof e&&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)}}"use strict";e(E,"shimOnTrack",()=>I),e(E,"shimPeerConnection",()=>M),e(E,"shimSenderGetStats",()=>O),e(E,"shimReceiverGetStats",()=>L),e(E,"shimRemoveStream",()=>A),e(E,"shimRTCDataChannel",()=>j),e(E,"shimAddTransceiver",()=>B),e(E,"shimGetParameters",()=>U),e(E,"shimCreateOffer",()=>F),e(E,"shimCreateAnswer",()=>N),e(E,"shimGetUserMedia",()=>x),e(E,"shimGetDisplayMedia",()=>D);var z={};function $(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 V(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 G(e){if("object"!=typeof e||!e.RTCPeerConnection)return;let t=e.RTCPeerConnection.prototype,n=t.createOffer,r=t.createAnswer,i=t.setLocalDescription,s=t.setRemoteDescription,o=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,t.setRemoteDescription=a=function(e,t,n){let r=s.apply(this,[e]);return n?(r.then(t,n),Promise.resolve()):r},t.addIceCandidate=function(e,t,n){let r=o.apply(this,[e]);return n?(r.then(t,n),Promise.resolve()):r}}function J(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(W(e))}!t.getUserMedia&&t.mediaDevices&&t.mediaDevices.getUserMedia&&(t.getUserMedia=(function(e,n,r){t.mediaDevices.getUserMedia(e).then(n,r)}).bind(t))}function W(e){return e&&void 0!==e.video?Object.assign({},e,{video:function e(t){return _(t)?Object.keys(t).reduce(function(n,r){let i=_(t[r]),s=i?e(t[r]):t[r],o=i&&!Object.keys(s).length;return void 0===s||o?n:Object.assign(n,{[r]:s})},{}):t}(e.video)}):e}function Y(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 H(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 K(e){let t=e.RTCPeerConnection.prototype.createOffer;e.RTCPeerConnection.prototype.createOffer=function(e){if(e){void 0!==e.offerToReceiveAudio&&(e.offerToReceiveAudio=!!e.offerToReceiveAudio);let t=this.getTransceivers().find(e=>"audio"===e.receiver.track.kind);!1===e.offerToReceiveAudio&&t?"sendrecv"===t.direction?t.setDirection?t.setDirection("sendonly"):t.direction="sendonly":"recvonly"===t.direction&&(t.setDirection?t.setDirection("inactive"):t.direction="inactive"):!0!==e.offerToReceiveAudio||t||this.addTransceiver("audio",{direction:"recvonly"}),void 0!==e.offerToReceiveVideo&&(e.offerToReceiveVideo=!!e.offerToReceiveVideo);let n=this.getTransceivers().find(e=>"video"===e.receiver.track.kind);!1===e.offerToReceiveVideo&&n?"sendrecv"===n.direction?n.setDirection?n.setDirection("sendonly"):n.direction="sendonly":"recvonly"===n.direction&&(n.setDirection?n.setDirection("inactive"):n.direction="inactive"):!0!==e.offerToReceiveVideo||n||this.addTransceiver("video",{direction:"recvonly"})}return t.apply(this,arguments)}}function X(e){"object"!=typeof e||e.AudioContext||(e.AudioContext=e.webkitAudioContext)}e(z,"shimLocalStreamsAPI",()=>$),e(z,"shimRemoteStreamsAPI",()=>V),e(z,"shimCallbacksAPI",()=>G),e(z,"shimGetUserMedia",()=>J),e(z,"shimConstraints",()=>W),e(z,"shimRTCIceServerUrls",()=>Y),e(z,"shimTrackEventTransceiver",()=>H),e(z,"shimCreateOfferLegacy",()=>K),e(z,"shimAudioContext",()=>X);var Q={};"use strict";e(Q,"shimRTCIceCandidate",()=>ee),e(Q,"shimRTCIceCandidateRelayProtocol",()=>et),e(Q,"shimMaxMessageSize",()=>en),e(Q,"shimSendThrowTypeError",()=>er),e(Q,"shimConnectionState",()=>ei),e(Q,"removeExtmapAllowMixed",()=>es),e(Q,"shimAddIceCandidateNullOrEmpty",()=>eo),e(Q,"shimParameterlessSetLocalDescription",()=>ea);var q={};"use strict";let Z={};function ee(e){if(!e.RTCIceCandidate||e.RTCIceCandidate&&"foundation"in e.RTCIceCandidate.prototype)return;let n=e.RTCIceCandidate;e.RTCIceCandidate=function(e){if("object"==typeof e&&e.candidate&&0===e.candidate.indexOf("a=")&&((e=JSON.parse(JSON.stringify(e))).candidate=e.candidate.substring(2)),e.candidate&&e.candidate.length){let r=new n(e),i=t(q).parseCandidate(e.candidate);for(let e in i)e in r||Object.defineProperty(r,e,{value:i[e]});return r.toJSON=function(){return{candidate:r.candidate,sdpMid:r.sdpMid,sdpMLineIndex:r.sdpMLineIndex,usernameFragment:r.usernameFragment}},r}return new n(e)},e.RTCIceCandidate.prototype=n.prototype,l(e,"icecandidate",t=>(t.candidate&&Object.defineProperty(t,"candidate",{value:new e.RTCIceCandidate(t.candidate),writable:"false"}),t))}function et(e){!e.RTCIceCandidate||e.RTCIceCandidate&&"relayProtocol"in e.RTCIceCandidate.prototype||l(e,"icecandidate",e=>{if(e.candidate){let n=t(q).parseCandidate(e.candidate.candidate);"relay"===n.type&&(e.candidate.relayProtocol=({0:"tls",1:"tcp",2:"udp"})[n.priority>>24])}return e})}function en(e,n){if(!e.RTCPeerConnection)return;"sctp"in e.RTCPeerConnection.prototype||Object.defineProperty(e.RTCPeerConnection.prototype,"sctp",{get(){return void 0===this._sctp?null:this._sctp}});let r=function(e){if(!e||!e.sdp)return!1;let n=t(q).splitSections(e.sdp);return n.shift(),n.some(e=>{let n=t(q).parseMLine(e);return n&&"application"===n.kind&&-1!==n.protocol.indexOf("SCTP")})},i=function(e){let t=e.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);if(null===t||t.length<2)return -1;let n=parseInt(t[1],10);return n!=n?-1:n},s=function(e){let t=65536;return"firefox"===n.browser&&(t=n.version<57?-1===e?16384:0x7ffffff5:n.version<60?57===n.version?65535:65536:0x7ffffff5),t},o=function(e,r){let i=65536;"firefox"===n.browser&&57===n.version&&(i=65535);let s=t(q).matchPrefix(e.sdp,"a=max-message-size:");return s.length>0?i=parseInt(s[0].substring(19),10):"firefox"===n.browser&&-1!==r&&(i=0x7ffffff5),i},a=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){if(this._sctp=null,"chrome"===n.browser&&n.version>=76){let{sdpSemantics:e}=this.getConfiguration();"plan-b"===e&&Object.defineProperty(this,"sctp",{get(){return void 0===this._sctp?null:this._sctp},enumerable:!0,configurable:!0})}if(r(arguments[0])){let e,t=i(arguments[0]),n=s(t),r=o(arguments[0],t);e=0===n&&0===r?Number.POSITIVE_INFINITY:0===n||0===r?Math.max(n,r):Math.min(n,r);let a={};Object.defineProperty(a,"maxMessageSize",{get:()=>e}),this._sctp=a}return a.apply(this,arguments)}}function er(e){if(!(e.RTCPeerConnection&&"createDataChannel"in e.RTCPeerConnection.prototype))return;function t(e,t){let n=e.send;e.send=function(){let r=arguments[0],i=r.length||r.size||r.byteLength;if("open"===e.readyState&&t.sctp&&i>t.sctp.maxMessageSize)throw TypeError("Message too large (can send a maximum of "+t.sctp.maxMessageSize+" bytes)");return n.apply(e,arguments)}}let n=e.RTCPeerConnection.prototype.createDataChannel;e.RTCPeerConnection.prototype.createDataChannel=function(){let e=n.apply(this,arguments);return t(e,this),e},l(e,"datachannel",e=>(t(e.channel,e.target),e))}function ei(e){if(!e.RTCPeerConnection||"connectionState"in e.RTCPeerConnection.prototype)return;let t=e.RTCPeerConnection.prototype;Object.defineProperty(t,"connectionState",{get(){return({completed:"connected",checking:"connecting"})[this.iceConnectionState]||this.iceConnectionState},enumerable:!0,configurable:!0}),Object.defineProperty(t,"onconnectionstatechange",{get(){return this._onconnectionstatechange||null},set(e){this._onconnectionstatechange&&(this.removeEventListener("connectionstatechange",this._onconnectionstatechange),delete this._onconnectionstatechange),e&&this.addEventListener("connectionstatechange",this._onconnectionstatechange=e)},enumerable:!0,configurable:!0}),["setLocalDescription","setRemoteDescription"].forEach(e=>{let n=t[e];t[e]=function(){return this._connectionstatechangepoly||(this._connectionstatechangepoly=e=>{let t=e.target;if(t._lastConnectionState!==t.connectionState){t._lastConnectionState=t.connectionState;let n=new Event("connectionstatechange",e);t.dispatchEvent(n)}return e},this.addEventListener("iceconnectionstatechange",this._connectionstatechangepoly)),n.apply(this,arguments)}})}function es(e,t){if(!e.RTCPeerConnection||"chrome"===t.browser&&t.version>=71||"safari"===t.browser&&t.version>=605)return;let n=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(t){if(t&&t.sdp&&-1!==t.sdp.indexOf("\na=extmap-allow-mixed")){let n=t.sdp.split("\n").filter(e=>"a=extmap-allow-mixed"!==e.trim()).join("\n");e.RTCSessionDescription&&t instanceof e.RTCSessionDescription?arguments[0]=new e.RTCSessionDescription({type:t.type,sdp:n}):t.sdp=n}return n.apply(this,arguments)}}function eo(e,t){if(!(e.RTCPeerConnection&&e.RTCPeerConnection.prototype))return;let n=e.RTCPeerConnection.prototype.addIceCandidate;n&&0!==n.length&&(e.RTCPeerConnection.prototype.addIceCandidate=function(){return arguments[0]?("chrome"===t.browser&&t.version<78||"firefox"===t.browser&&t.version<68||"safari"===t.browser)&&arguments[0]&&""===arguments[0].candidate?Promise.resolve():n.apply(this,arguments):(arguments[1]&&arguments[1].apply(null),Promise.resolve())})}function ea(e,t){if(!(e.RTCPeerConnection&&e.RTCPeerConnection.prototype))return;let n=e.RTCPeerConnection.prototype.setLocalDescription;n&&0!==n.length&&(e.RTCPeerConnection.prototype.setLocalDescription=function(){let e=arguments[0]||{};if("object"!=typeof e||e.type&&e.sdp)return n.apply(this,arguments);if(!(e={type:e.type,sdp:e.sdp}).type)switch(this.signalingState){case"stable":case"have-local-offer":case"have-remote-pranswer":e.type="offer";break;default:e.type="answer"}return e.sdp||"offer"!==e.type&&"answer"!==e.type?n.apply(this,[e]):("offer"===e.type?this.createOffer:this.createAnswer).apply(this).then(e=>n.apply(this,[e]))})}"use strict";Z.generateIdentifier=function(){return Math.random().toString(36).substring(2,12)},Z.localCName=Z.generateIdentifier(),Z.splitLines=function(e){return e.trim().split("\n").map(e=>e.trim())},Z.splitSections=function(e){return e.split("\nm=").map((e,t)=>(t>0?"m="+e:e).trim()+"\r\n")},Z.getDescription=function(e){let t=Z.splitSections(e);return t&&t[0]},Z.getMediaSections=function(e){let t=Z.splitSections(e);return t.shift(),t},Z.matchPrefix=function(e,t){return Z.splitLines(e).filter(e=>0===e.indexOf(t))},Z.parseCandidate=function(e){let t,n={foundation:(t=0===e.indexOf("a=candidate:")?e.substring(12).split(" "):e.substring(10).split(" "))[0],component:{1:"rtp",2:"rtcp"}[t[1]]||t[1],protocol:t[2].toLowerCase(),priority:parseInt(t[3],10),ip:t[4],address:t[4],port:parseInt(t[5],10),type:t[7]};for(let e=8;e<t.length;e+=2)switch(t[e]){case"raddr":n.relatedAddress=t[e+1];break;case"rport":n.relatedPort=parseInt(t[e+1],10);break;case"tcptype":n.tcpType=t[e+1];break;case"ufrag":n.ufrag=t[e+1],n.usernameFragment=t[e+1];break;default:void 0===n[t[e]]&&(n[t[e]]=t[e+1])}return n},Z.writeCandidate=function(e){let t=[];t.push(e.foundation);let n=e.component;"rtp"===n?t.push(1):"rtcp"===n?t.push(2):t.push(n),t.push(e.protocol.toUpperCase()),t.push(e.priority),t.push(e.address||e.ip),t.push(e.port);let r=e.type;return t.push("typ"),t.push(r),"host"!==r&&e.relatedAddress&&e.relatedPort&&(t.push("raddr"),t.push(e.relatedAddress),t.push("rport"),t.push(e.relatedPort)),e.tcpType&&"tcp"===e.protocol.toLowerCase()&&(t.push("tcptype"),t.push(e.tcpType)),(e.usernameFragment||e.ufrag)&&(t.push("ufrag"),t.push(e.usernameFragment||e.ufrag)),"candidate:"+t.join(" ")},Z.parseIceOptions=function(e){return e.substring(14).split(" ")},Z.parseRtpMap=function(e){let t=e.substring(9).split(" "),n={payloadType:parseInt(t.shift(),10)};return n.name=(t=t[0].split("/"))[0],n.clockRate=parseInt(t[1],10),n.channels=3===t.length?parseInt(t[2],10):1,n.numChannels=n.channels,n},Z.writeRtpMap=function(e){let t=e.payloadType;void 0!==e.preferredPayloadType&&(t=e.preferredPayloadType);let n=e.channels||e.numChannels||1;return"a=rtpmap:"+t+" "+e.name+"/"+e.clockRate+(1!==n?"/"+n:"")+"\r\n"},Z.parseExtmap=function(e){let t=e.substring(9).split(" ");return{id:parseInt(t[0],10),direction:t[0].indexOf("/")>0?t[0].split("/")[1]:"sendrecv",uri:t[1],attributes:t.slice(2).join(" ")}},Z.writeExtmap=function(e){return"a=extmap:"+(e.id||e.preferredId)+(e.direction&&"sendrecv"!==e.direction?"/"+e.direction:"")+" "+e.uri+(e.attributes?" "+e.attributes:"")+"\r\n"},Z.parseFmtp=function(e){let t,n={},r=e.substring(e.indexOf(" ")+1).split(";");for(let e=0;e<r.length;e++)n[(t=r[e].trim().split("="))[0].trim()]=t[1];return n},Z.writeFmtp=function(e){let t="",n=e.payloadType;if(void 0!==e.preferredPayloadType&&(n=e.preferredPayloadType),e.parameters&&Object.keys(e.parameters).length){let r=[];Object.keys(e.parameters).forEach(t=>{void 0!==e.parameters[t]?r.push(t+"="+e.parameters[t]):r.push(t)}),t+="a=fmtp:"+n+" "+r.join(";")+"\r\n"}return t},Z.parseRtcpFb=function(e){let t=e.substring(e.indexOf(" ")+1).split(" ");return{type:t.shift(),parameter:t.join(" ")}},Z.writeRtcpFb=function(e){let t="",n=e.payloadType;return void 0!==e.preferredPayloadType&&(n=e.preferredPayloadType),e.rtcpFeedback&&e.rtcpFeedback.length&&e.rtcpFeedback.forEach(e=>{t+="a=rtcp-fb:"+n+" "+e.type+(e.parameter&&e.parameter.length?" "+e.parameter:"")+"\r\n"}),t},Z.parseSsrcMedia=function(e){let t=e.indexOf(" "),n={ssrc:parseInt(e.substring(7,t),10)},r=e.indexOf(":",t);return r>-1?(n.attribute=e.substring(t+1,r),n.value=e.substring(r+1)):n.attribute=e.substring(t+1),n},Z.parseSsrcGroup=function(e){let t=e.substring(13).split(" ");return{semantics:t.shift(),ssrcs:t.map(e=>parseInt(e,10))}},Z.getMid=function(e){let t=Z.matchPrefix(e,"a=mid:")[0];if(t)return t.substring(6)},Z.parseFingerprint=function(e){let t=e.substring(14).split(" ");return{algorithm:t[0].toLowerCase(),value:t[1].toUpperCase()}},Z.getDtlsParameters=function(e,t){return{role:"auto",fingerprints:Z.matchPrefix(e+t,"a=fingerprint:").map(Z.parseFingerprint)}},Z.writeDtlsParameters=function(e,t){let n="a=setup:"+t+"\r\n";return e.fingerprints.forEach(e=>{n+="a=fingerprint:"+e.algorithm+" "+e.value+"\r\n"}),n},Z.parseCryptoLine=function(e){let t=e.substring(9).split(" ");return{tag:parseInt(t[0],10),cryptoSuite:t[1],keyParams:t[2],sessionParams:t.slice(3)}},Z.writeCryptoLine=function(e){return"a=crypto:"+e.tag+" "+e.cryptoSuite+" "+("object"==typeof e.keyParams?Z.writeCryptoKeyParams(e.keyParams):e.keyParams)+(e.sessionParams?" "+e.sessionParams.join(" "):"")+"\r\n"},Z.parseCryptoKeyParams=function(e){if(0!==e.indexOf("inline:"))return null;let t=e.substring(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}},Z.writeCryptoKeyParams=function(e){return e.keyMethod+":"+e.keySalt+(e.lifeTime?"|"+e.lifeTime:"")+(e.mkiValue&&e.mkiLength?"|"+e.mkiValue+":"+e.mkiLength:"")},Z.getCryptoParameters=function(e,t){return Z.matchPrefix(e+t,"a=crypto:").map(Z.parseCryptoLine)},Z.getIceParameters=function(e,t){let n=Z.matchPrefix(e+t,"a=ice-ufrag:")[0],r=Z.matchPrefix(e+t,"a=ice-pwd:")[0];return n&&r?{usernameFragment:n.substring(12),password:r.substring(10)}:null},Z.writeIceParameters=function(e){let t="a=ice-ufrag:"+e.usernameFragment+"\r\na=ice-pwd:"+e.password+"\r\n";return e.iceLite&&(t+="a=ice-lite\r\n"),t},Z.parseRtpParameters=function(e){let t={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},n=Z.splitLines(e)[0].split(" ");t.profile=n[2];for(let r=3;r<n.length;r++){let i=n[r],s=Z.matchPrefix(e,"a=rtpmap:"+i+" ")[0];if(s){let n=Z.parseRtpMap(s),r=Z.matchPrefix(e,"a=fmtp:"+i+" ");switch(n.parameters=r.length?Z.parseFmtp(r[0]):{},n.rtcpFeedback=Z.matchPrefix(e,"a=rtcp-fb:"+i+" ").map(Z.parseRtcpFb),t.codecs.push(n),n.name.toUpperCase()){case"RED":case"ULPFEC":t.fecMechanisms.push(n.name.toUpperCase())}}}Z.matchPrefix(e,"a=extmap:").forEach(e=>{t.headerExtensions.push(Z.parseExtmap(e))});let r=Z.matchPrefix(e,"a=rtcp-fb:* ").map(Z.parseRtcpFb);return t.codecs.forEach(e=>{r.forEach(t=>{e.rtcpFeedback.find(e=>e.type===t.type&&e.parameter===t.parameter)||e.rtcpFeedback.push(t)})}),t},Z.writeRtpDescription=function(e,t){let n="";n+="m="+e+" ",n+=t.codecs.length>0?"9":"0",n+=" "+(t.profile||"UDP/TLS/RTP/SAVPF")+" ",n+=t.codecs.map(e=>void 0!==e.preferredPayloadType?e.preferredPayloadType:e.payloadType).join(" ")+"\r\n",n+="c=IN IP4 0.0.0.0\r\n",n+="a=rtcp:9 IN IP4 0.0.0.0\r\n",t.codecs.forEach(e=>{n+=Z.writeRtpMap(e),n+=Z.writeFmtp(e),n+=Z.writeRtcpFb(e)});let r=0;return t.codecs.forEach(e=>{e.maxptime>r&&(r=e.maxptime)}),r>0&&(n+="a=maxptime:"+r+"\r\n"),t.headerExtensions&&t.headerExtensions.forEach(e=>{n+=Z.writeExtmap(e)}),n},Z.parseRtpEncodingParameters=function(e){let t,n=[],r=Z.parseRtpParameters(e),i=-1!==r.fecMechanisms.indexOf("RED"),s=-1!==r.fecMechanisms.indexOf("ULPFEC"),o=Z.matchPrefix(e,"a=ssrc:").map(e=>Z.parseSsrcMedia(e)).filter(e=>"cname"===e.attribute),a=o.length>0&&o[0].ssrc,c=Z.matchPrefix(e,"a=ssrc-group:FID").map(e=>e.substring(17).split(" ").map(e=>parseInt(e,10)));c.length>0&&c[0].length>1&&c[0][0]===a&&(t=c[0][1]),r.codecs.forEach(e=>{if("RTX"===e.name.toUpperCase()&&e.parameters.apt){let r={ssrc:a,codecPayloadType:parseInt(e.parameters.apt,10)};a&&t&&(r.rtx={ssrc:t}),n.push(r),i&&((r=JSON.parse(JSON.stringify(r))).fec={ssrc:a,mechanism:s?"red+ulpfec":"red"},n.push(r))}}),0===n.length&&a&&n.push({ssrc:a});let p=Z.matchPrefix(e,"b=");return p.length&&(p=0===p[0].indexOf("b=TIAS:")?parseInt(p[0].substring(7),10):0===p[0].indexOf("b=AS:")?950*parseInt(p[0].substring(5),10)-16e3:void 0,n.forEach(e=>{e.maxBitrate=p})),n},Z.parseRtcpParameters=function(e){let t={},n=Z.matchPrefix(e,"a=ssrc:").map(e=>Z.parseSsrcMedia(e)).filter(e=>"cname"===e.attribute)[0];n&&(t.cname=n.value,t.ssrc=n.ssrc);let r=Z.matchPrefix(e,"a=rtcp-rsize");return t.reducedSize=r.length>0,t.compound=0===r.length,t.mux=Z.matchPrefix(e,"a=rtcp-mux").length>0,t},Z.writeRtcpParameters=function(e){let t="";return e.reducedSize&&(t+="a=rtcp-rsize\r\n"),e.mux&&(t+="a=rtcp-mux\r\n"),void 0!==e.ssrc&&e.cname&&(t+="a=ssrc:"+e.ssrc+" cname:"+e.cname+"\r\n"),t},Z.parseMsid=function(e){let t,n=Z.matchPrefix(e,"a=msid:");if(1===n.length)return{stream:(t=n[0].substring(7).split(" "))[0],track:t[1]};let r=Z.matchPrefix(e,"a=ssrc:").map(e=>Z.parseSsrcMedia(e)).filter(e=>"msid"===e.attribute);if(r.length>0)return{stream:(t=r[0].value.split(" "))[0],track:t[1]}},Z.parseSctpDescription=function(e){let t,n=Z.parseMLine(e),r=Z.matchPrefix(e,"a=max-message-size:");r.length>0&&(t=parseInt(r[0].substring(19),10)),isNaN(t)&&(t=65536);let i=Z.matchPrefix(e,"a=sctp-port:");if(i.length>0)return{port:parseInt(i[0].substring(12),10),protocol:n.fmt,maxMessageSize:t};let s=Z.matchPrefix(e,"a=sctpmap:");if(s.length>0){let e=s[0].substring(10).split(" ");return{port:parseInt(e[0],10),protocol:e[1],maxMessageSize:t}}},Z.writeSctpDescription=function(e,t){let n=[];return n="DTLS/SCTP"!==e.protocol?["m="+e.kind+" 9 "+e.protocol+" "+t.protocol+"\r\n","c=IN IP4 0.0.0.0\r\n","a=sctp-port:"+t.port+"\r\n"]:["m="+e.kind+" 9 "+e.protocol+" "+t.port+"\r\n","c=IN IP4 0.0.0.0\r\n","a=sctpmap:"+t.port+" "+t.protocol+" 65535\r\n"],void 0!==t.maxMessageSize&&n.push("a=max-message-size:"+t.maxMessageSize+"\r\n"),n.join("")},Z.generateSessionId=function(){return Math.random().toString().substr(2,22)},Z.writeSessionBoilerplate=function(e,t,n){return"v=0\r\no="+(n||"thisisadapterortc")+" "+(e||Z.generateSessionId())+" "+(void 0!==t?t:2)+" IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"},Z.getDirection=function(e,t){let n=Z.splitLines(e);for(let e=0;e<n.length;e++)switch(n[e]){case"a=sendrecv":case"a=sendonly":case"a=recvonly":case"a=inactive":return n[e].substring(2)}return t?Z.getDirection(t):"sendrecv"},Z.getKind=function(e){return Z.splitLines(e)[0].split(" ")[0].substring(2)},Z.isRejected=function(e){return"0"===e.split(" ",2)[1]},Z.parseMLine=function(e){let t=Z.splitLines(e)[0].substring(2).split(" ");return{kind:t[0],port:parseInt(t[1],10),protocol:t[2],fmt:t.slice(3).join(" ")}},Z.parseOLine=function(e){let t=Z.matchPrefix(e,"o=")[0].substring(2).split(" ");return{username:t[0],sessionId:t[1],sessionVersion:parseInt(t[2],10),netType:t[3],addressType:t[4],address:t[5]}},Z.isValidSDP=function(e){if("string"!=typeof e||0===e.length)return!1;let t=Z.splitLines(e);for(let e=0;e<t.length;e++)if(t[e].length<2||"="!==t[e].charAt(1))return!1;return!0},q=Z;let ec=function({window:e}={},t={shimChrome:!0,shimFirefox:!0,shimSafari:!0}){let n=function(e){let t={browser:null,version:null};if(void 0===e||!e.navigator||!e.navigator.userAgent)return t.browser="Not a browser.",t;let{navigator:n}=e;if(n.userAgentData&&n.userAgentData.brands){let e=n.userAgentData.brands.find(e=>"Chromium"===e.brand);if(e)return{browser:"chrome",version:parseInt(e.version,10)}}return n.mozGetUserMedia?(t.browser="firefox",t.version=d(n.userAgent,/Firefox\/(\d+)\./,1)):n.webkitGetUserMedia||!1===e.isSecureContext&&e.webkitRTCPeerConnection?(t.browser="chrome",t.version=d(n.userAgent,/Chrom(e|ium)\/(\d+)\./,2)):e.RTCPeerConnection&&n.userAgent.match(/AppleWebKit\/(\d+)\./)?(t.browser="safari",t.version=d(n.userAgent,/AppleWebKit\/(\d+)\./,1),t.supportsUnifiedPlan=e.RTCRtpTransceiver&&"currentDirection"in e.RTCRtpTransceiver.prototype):t.browser="Not a supported browser.",t}(e),r={browserDetails:n,commonShim:Q,extractVersion:d,disableLog:h,disableWarnings:u,sdp:q};switch(n.browser){case"chrome":if(!y||!y.shimPeerConnection||!t.shimChrome){f("Chrome shim is not included in this adapter release.");break}if(null===n.version){f("Chrome shim can not determine version, not shimming.");break}f("adapter.js shimming chrome."),r.browserShim=y,eo(e,n),ea(e,n),y.shimGetUserMedia(e,n),y.shimMediaStream(e,n),y.shimPeerConnection(e,n),y.shimOnTrack(e,n),y.shimAddTrackRemoveTrack(e,n),y.shimGetSendersWithDtmf(e,n),y.shimSenderReceiverGetStats(e,n),y.fixNegotiationNeeded(e,n),ee(e,n),et(e,n),ei(e,n),en(e,n),er(e,n),es(e,n);break;case"firefox":if(!E||!E.shimPeerConnection||!t.shimFirefox){f("Firefox shim is not included in this adapter release.");break}f("adapter.js shimming firefox."),r.browserShim=E,eo(e,n),ea(e,n),E.shimGetUserMedia(e,n),E.shimPeerConnection(e,n),E.shimOnTrack(e,n),E.shimRemoveStream(e,n),E.shimSenderGetStats(e,n),E.shimReceiverGetStats(e,n),E.shimRTCDataChannel(e,n),E.shimAddTransceiver(e,n),E.shimGetParameters(e,n),E.shimCreateOffer(e,n),E.shimCreateAnswer(e,n),ee(e,n),ei(e,n),en(e,n),er(e,n);break;case"safari":if(!z||!t.shimSafari){f("Safari shim is not included in this adapter release.");break}f("adapter.js shimming safari."),r.browserShim=z,eo(e,n),ea(e,n),z.shimRTCIceServerUrls(e,n),z.shimCreateOfferLegacy(e,n),z.shimCallbacksAPI(e,n),z.shimLocalStreamsAPI(e,n),z.shimRemoteStreamsAPI(e,n),z.shimTrackEventTransceiver(e,n),z.shimGetUserMedia(e,n),z.shimAudioContext(e,n),ee(e,n),et(e,n),en(e,n),er(e,n),es(e,n);break;default:f("Unsupported browser!")}return r}({window:"undefined"==typeof window?void 0:window}),ep=ec.default||ec,ed=new class{isWebRTCSupported(){return"undefined"!=typeof RTCPeerConnection}isBrowserSupported(){let e=this.getBrowser(),t=this.getVersion();return!!this.supportedBrowsers.includes(e)&&("chrome"===e?t>=this.minChromeVersion:"firefox"===e?t>=this.minFirefoxVersion:"safari"===e&&!this.isIOS&&t>=this.minSafariVersion)}getBrowser(){return ep.browserDetails.browser}getVersion(){return ep.browserDetails.version||0}isUnifiedPlanSupported(){let e,t=this.getBrowser(),n=ep.browserDetails.version||0;if("chrome"===t&&n<this.minChromeVersion)return!1;if("firefox"===t&&n>=this.minFirefoxVersion)return!0;if(!window.RTCRtpTransceiver||!("currentDirection"in RTCRtpTransceiver.prototype))return!1;let r=!1;try{(e=new RTCPeerConnection).addTransceiver("audio"),r=!0}catch(e){}finally{e&&e.close()}return r}toString(){return`Supports:
    browser:${this.getBrowser()}
    version:${this.getVersion()}
    isIOS:${this.isIOS}
    isWebRTCSupported:${this.isWebRTCSupported()}
    isBrowserSupported:${this.isBrowserSupported()}
    isUnifiedPlanSupported:${this.isUnifiedPlanSupported()}`}constructor(){this.isIOS="undefined"!=typeof navigator&&["iPad","iPhone","iPod"].includes(navigator.platform),this.supportedBrowsers=["firefox","chrome","safari"],this.minFirefoxVersion=59,this.minChromeVersion=72,this.minSafariVersion=605}},el=e=>!e||/^[A-Za-z0-9]+(?:[ _-][A-Za-z0-9]+)*$/.test(e),eh=()=>Math.random().toString(36).slice(2),eu={iceServers:[{urls:"stun:stun.l.google.com:19302"},{urls:["turn:eu-0.turn.peerjs.com:3478","turn:us-0.turn.peerjs.com:3478"],username:"peerjs",credential:"peerjsp"}],sdpSemantics:"unified-plan"},ef=new class extends n{noop(){}blobToArrayBuffer(e,t){let n=new FileReader;return n.onload=function(e){e.target&&t(e.target.result)},n.readAsArrayBuffer(e),n}binaryStringToArrayBuffer(e){let t=new Uint8Array(e.length);for(let n=0;n<e.length;n++)t[n]=255&e.charCodeAt(n);return t.buffer}isSecure(){return"https:"===location.protocol}constructor(...e){super(...e),this.CLOUD_HOST="0.peerjs.com",this.CLOUD_PORT=443,this.chunkedBrowsers={Chrome:1,chrome:1},this.defaultConfig=eu,this.browser=ed.getBrowser(),this.browserVersion=ed.getVersion(),this.pack=s,this.unpack=i,this.supports=function(){let e,t={browser:ed.isBrowserSupported(),webRTC:ed.isWebRTCSupported(),audioVideo:!1,data:!1,binaryBlob:!1,reliable:!1};if(!t.webRTC)return t;try{let n;e=new RTCPeerConnection(eu),t.audioVideo=!0;try{n=e.createDataChannel("_PEERJSTEST",{ordered:!0}),t.data=!0,t.reliable=!!n.ordered;try{n.binaryType="blob",t.binaryBlob=!ed.isIOS}catch(e){}}catch(e){}finally{n&&n.close()}}catch(e){}finally{e&&e.close()}return t}(),this.validateId=el,this.randomToken=eh}};"use strict";var em=new class{get logLevel(){return this._logLevel}set logLevel(e){this._logLevel=e}log(...e){this._logLevel>=3&&this._print(3,...e)}warn(...e){this._logLevel>=2&&this._print(2,...e)}error(...e){this._logLevel>=1&&this._print(1,...e)}setLogFunction(e){this._print=e}_print(e,...t){let n=["PeerJS: ",...t];for(let e in n)n[e]instanceof Error&&(n[e]="("+n[e].name+") "+n[e].message);e>=3?console.log(...n):e>=2?console.warn("WARNING",...n):e>=1&&console.error("ERROR",...n)}constructor(){this._logLevel=0}},e_={},eg=Object.prototype.hasOwnProperty,ey="~";function eC(){}function ev(e,t,n){this.fn=e,this.context=t,this.once=n||!1}function eb(e,t,n,r,i){if("function"!=typeof n)throw TypeError("The listener must be a function");var s=new ev(n,r||e,i),o=ey?ey+t:t;return e._events[o]?e._events[o].fn?e._events[o]=[e._events[o],s]:e._events[o].push(s):(e._events[o]=s,e._eventsCount++),e}function eT(e,t){0==--e._eventsCount?e._events=new eC:delete e._events[t]}function eS(){this._events=new eC,this._eventsCount=0}Object.create&&(eC.prototype=Object.create(null),new eC().__proto__||(ey=!1)),eS.prototype.eventNames=function(){var e,t,n=[];if(0===this._eventsCount)return n;for(t in e=this._events)eg.call(e,t)&&n.push(ey?t.slice(1):t);return Object.getOwnPropertySymbols?n.concat(Object.getOwnPropertySymbols(e)):n},eS.prototype.listeners=function(e){var t=ey?ey+e:e,n=this._events[t];if(!n)return[];if(n.fn)return[n.fn];for(var r=0,i=n.length,s=Array(i);r<i;r++)s[r]=n[r].fn;return s},eS.prototype.listenerCount=function(e){var t=ey?ey+e:e,n=this._events[t];return n?n.fn?1:n.length:0},eS.prototype.emit=function(e,t,n,r,i,s){var o=ey?ey+e:e;if(!this._events[o])return!1;var a,c,p=this._events[o],d=arguments.length;if(p.fn){switch(p.once&&this.removeListener(e,p.fn,void 0,!0),d){case 1:return p.fn.call(p.context),!0;case 2:return p.fn.call(p.context,t),!0;case 3:return p.fn.call(p.context,t,n),!0;case 4:return p.fn.call(p.context,t,n,r),!0;case 5:return p.fn.call(p.context,t,n,r,i),!0;case 6:return p.fn.call(p.context,t,n,r,i,s),!0}for(c=1,a=Array(d-1);c<d;c++)a[c-1]=arguments[c];p.fn.apply(p.context,a)}else{var l,h=p.length;for(c=0;c<h;c++)switch(p[c].once&&this.removeListener(e,p[c].fn,void 0,!0),d){case 1:p[c].fn.call(p[c].context);break;case 2:p[c].fn.call(p[c].context,t);break;case 3:p[c].fn.call(p[c].context,t,n);break;case 4:p[c].fn.call(p[c].context,t,n,r);break;default:if(!a)for(l=1,a=Array(d-1);l<d;l++)a[l-1]=arguments[l];p[c].fn.apply(p[c].context,a)}}return!0},eS.prototype.on=function(e,t,n){return eb(this,e,t,n,!1)},eS.prototype.once=function(e,t,n){return eb(this,e,t,n,!0)},eS.prototype.removeListener=function(e,t,n,r){var i=ey?ey+e:e;if(!this._events[i])return this;if(!t)return eT(this,i),this;var s=this._events[i];if(s.fn)s.fn!==t||r&&!s.once||n&&s.context!==n||eT(this,i);else{for(var o=0,a=[],c=s.length;o<c;o++)(s[o].fn!==t||r&&!s[o].once||n&&s[o].context!==n)&&a.push(s[o]);a.length?this._events[i]=1===a.length?a[0]:a:eT(this,i)}return this},eS.prototype.removeAllListeners=function(e){var t;return e?(t=ey?ey+e:e,this._events[t]&&eT(this,t)):(this._events=new eC,this._eventsCount=0),this},eS.prototype.off=eS.prototype.removeListener,eS.prototype.addListener=eS.prototype.on,eS.prefixed=ey,eS.EventEmitter=eS,e_=eS;var ek=function(e){return e.Data="data",e.Media="media",e}({}),eR=function(e){return e.BrowserIncompatible="browser-incompatible",e.Disconnected="disconnected",e.InvalidID="invalid-id",e.InvalidKey="invalid-key",e.Network="network",e.PeerUnavailable="peer-unavailable",e.SslUnavailable="ssl-unavailable",e.ServerError="server-error",e.SocketError="socket-error",e.SocketClosed="socket-closed",e.UnavailableID="unavailable-id",e.WebRTC="webrtc",e}({}),eP=function(e){return e.NegotiationFailed="negotiation-failed",e.ConnectionClosed="connection-closed",e}({}),ew=function(e){return e.NotOpenYet="not-open-yet",e.MessageToBig="message-too-big",e}({}),eE=function(e){return e.Binary="binary",e.BinaryUTF8="binary-utf8",e.JSON="json",e.None="raw",e}({}),ex=function(e){return e.Message="message",e.Disconnected="disconnected",e.Error="error",e.Close="close",e}({}),eD=function(e){return e.Heartbeat="HEARTBEAT",e.Candidate="CANDIDATE",e.Offer="OFFER",e.Answer="ANSWER",e.Open="OPEN",e.Error="ERROR",e.IdTaken="ID-TAKEN",e.InvalidKey="INVALID-KEY",e.Leave="LEAVE",e.Expire="EXPIRE",e}({});let eI="1.5.5";class eM extends e_.EventEmitter{start(e,t){this._id=e;let n=`${this._baseUrl}&id=${e}&token=${t}`;!this._socket&&this._disconnected&&(this._socket=new WebSocket(n+"&version="+eI),this._disconnected=!1,this._socket.onmessage=e=>{let t;try{t=JSON.parse(e.data),em.log("Server message received:",t)}catch(t){em.log("Invalid server message",e.data);return}this.emit(ex.Message,t)},this._socket.onclose=e=>{this._disconnected||(em.log("Socket closed.",e),this._cleanup(),this._disconnected=!0,this.emit(ex.Disconnected))},this._socket.onopen=()=>{this._disconnected||(this._sendQueuedMessages(),em.log("Socket open"),this._scheduleHeartbeat())})}_scheduleHeartbeat(){this._wsPingTimer=setTimeout(()=>{this._sendHeartbeat()},this.pingInterval)}_sendHeartbeat(){if(!this._wsOpen())return void em.log("Cannot send heartbeat, because socket closed");let e=JSON.stringify({type:eD.Heartbeat});this._socket.send(e),this._scheduleHeartbeat()}_wsOpen(){return!!this._socket&&1===this._socket.readyState}_sendQueuedMessages(){let e=[...this._messagesQueue];for(let t of(this._messagesQueue=[],e))this.send(t)}send(e){if(this._disconnected)return;if(!this._id)return void this._messagesQueue.push(e);if(!e.type)return void this.emit(ex.Error,"Invalid message");if(!this._wsOpen())return;let t=JSON.stringify(e);this._socket.send(t)}close(){this._disconnected||(this._cleanup(),this._disconnected=!0)}_cleanup(){this._socket&&(this._socket.onopen=this._socket.onmessage=this._socket.onclose=null,this._socket.close(),this._socket=void 0),clearTimeout(this._wsPingTimer)}constructor(e,t,n,r,i,s=5e3){super(),this.pingInterval=s,this._disconnected=!0,this._messagesQueue=[],this._baseUrl=(e?"wss://":"ws://")+t+":"+n+r+"peerjs?key="+i}}class eO{startConnection(e){let t=this._startPeerConnection();if(this.connection.peerConnection=t,this.connection.type===ek.Media&&e._stream&&this._addTracksToConnection(e._stream,t),e.originator){let n=this.connection,r={ordered:!!e.reliable},i=t.createDataChannel(n.label,r);n._initializeDataChannel(i),this._makeOffer()}else this.handleSDP("OFFER",e.sdp)}_startPeerConnection(){em.log("Creating RTCPeerConnection.");let e=new RTCPeerConnection(this.connection.provider.options.config);return this._setupListeners(e),e}_setupListeners(e){let t=this.connection.peer,n=this.connection.connectionId,r=this.connection.type,i=this.connection.provider;em.log("Listening for ICE candidates."),e.onicecandidate=e=>{e.candidate&&e.candidate.candidate&&(em.log(`Received ICE candidates for ${t}:`,e.candidate),i.socket.send({type:eD.Candidate,payload:{candidate:e.candidate,type:r,connectionId:n},dst:t}))},e.oniceconnectionstatechange=()=>{switch(e.iceConnectionState){case"failed":em.log("iceConnectionState is failed, closing connections to "+t),this.connection.emitError(eP.NegotiationFailed,"Negotiation of connection to "+t+" failed."),this.connection.close();break;case"closed":em.log("iceConnectionState is closed, closing connections to "+t),this.connection.emitError(eP.ConnectionClosed,"Connection to "+t+" closed."),this.connection.close();break;case"disconnected":em.log("iceConnectionState changed to disconnected on the connection with "+t);break;case"completed":e.onicecandidate=()=>{}}this.connection.emit("iceStateChanged",e.iceConnectionState)},em.log("Listening for data channel"),e.ondatachannel=e=>{em.log("Received data channel");let r=e.channel;i.getConnection(t,n)._initializeDataChannel(r)},em.log("Listening for remote stream"),e.ontrack=e=>{em.log("Received remote stream");let r=e.streams[0],s=i.getConnection(t,n);s.type===ek.Media&&this._addStreamToMediaConnection(r,s)}}cleanup(){em.log("Cleaning up PeerConnection to "+this.connection.peer);let e=this.connection.peerConnection;if(!e)return;this.connection.peerConnection=null,e.onicecandidate=e.oniceconnectionstatechange=e.ondatachannel=e.ontrack=()=>{};let t="closed"!==e.signalingState,n=!1,r=this.connection.dataChannel;r&&(n=!!r.readyState&&"closed"!==r.readyState),(t||n)&&e.close()}async _makeOffer(){let e=this.connection.peerConnection,t=this.connection.provider;try{let n=await e.createOffer(this.connection.options.constraints);em.log("Created offer."),this.connection.options.sdpTransform&&"function"==typeof this.connection.options.sdpTransform&&(n.sdp=this.connection.options.sdpTransform(n.sdp)||n.sdp);try{await e.setLocalDescription(n),em.log("Set localDescription:",n,`for:${this.connection.peer}`);let r={sdp:n,type:this.connection.type,connectionId:this.connection.connectionId,metadata:this.connection.metadata};if(this.connection.type===ek.Data){let e=this.connection;r={...r,label:e.label,reliable:e.reliable,serialization:e.serialization}}t.socket.send({type:eD.Offer,payload:r,dst:this.connection.peer})}catch(e){"OperationError: Failed to set local offer sdp: Called in wrong state: kHaveRemoteOffer"!=e&&(t.emitError(eR.WebRTC,e),em.log("Failed to setLocalDescription, ",e))}}catch(e){t.emitError(eR.WebRTC,e),em.log("Failed to createOffer, ",e)}}async _makeAnswer(){let e=this.connection.peerConnection,t=this.connection.provider;try{let n=await e.createAnswer();em.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),em.log("Set localDescription:",n,`for:${this.connection.peer}`),t.socket.send({type:eD.Answer,payload:{sdp:n,type:this.connection.type,connectionId:this.connection.connectionId},dst:this.connection.peer})}catch(e){t.emitError(eR.WebRTC,e),em.log("Failed to setLocalDescription, ",e)}}catch(e){t.emitError(eR.WebRTC,e),em.log("Failed to create answer, ",e)}}async handleSDP(e,t){t=new RTCSessionDescription(t);let n=this.connection.peerConnection,r=this.connection.provider;em.log("Setting remote description",t);try{await n.setRemoteDescription(t),em.log(`Set remoteDescription:${e} for:${this.connection.peer}`),"OFFER"===e&&await this._makeAnswer()}catch(e){r.emitError(eR.WebRTC,e),em.log("Failed to setRemoteDescription, ",e)}}async handleCandidate(e){em.log("handleCandidate:",e);try{await this.connection.peerConnection.addIceCandidate(e),em.log(`Added ICE candidate for:${this.connection.peer}`)}catch(e){this.connection.provider.emitError(eR.WebRTC,e),em.log("Failed to handleCandidate, ",e)}}_addTracksToConnection(e,t){if(em.log(`add tracks from stream ${e.id} to peer connection`),!t.addTrack)return em.error("Your browser does't support RTCPeerConnection#addTrack. Ignored.");e.getTracks().forEach(n=>{t.addTrack(n,e)})}_addStreamToMediaConnection(e,t){em.log(`add stream ${e.id} to media connection ${t.connectionId}`),t.addStream(e)}constructor(e){this.connection=e}}class eL extends e_.EventEmitter{emitError(e,t){em.error("Error:",t),this.emit("error",new eA(`${e}`,t))}}class eA extends Error{constructor(e,t){"string"==typeof t?super(t):(super(),Object.assign(this,t)),this.type=e}}class ej extends eL{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 eB extends ej{get type(){return ek.Media}get localStream(){return this._localStream}get remoteStream(){return this._remoteStream}_initializeDataChannel(e){this.dataChannel=e,this.dataChannel.onopen=()=>{em.log(`DC#${this.connectionId} dc connection success`),this.emit("willCloseOnRemote")},this.dataChannel.onclose=()=>{em.log(`DC#${this.connectionId} dc closed for:`,this.peer),this.close()}}addStream(e){em.log("Receiving stream",e),this._remoteStream=e,super.emit("stream",e)}handleMessage(e){let t=e.type,n=e.payload;switch(e.type){case eD.Answer:this._negotiator.handleSDP(t,n.sdp),this._open=!0;break;case eD.Candidate:this._negotiator.handleCandidate(n.candidate);break;default:em.warn(`Unrecognized message type:${t} from peer:${this.peer}`)}}answer(e,t={}){if(this._localStream)return void em.warn("Local stream already exists on this MediaConnection. Are you answering a call twice?");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||eB.ID_PREFIX+ef.randomToken(),this._negotiator=new eO(this),this._localStream&&this._negotiator.startConnection({_stream:this._localStream,originator:!0})}}eB.ID_PREFIX="mc_";class eU{_buildRequest(e){let t=this._options.secure?"https":"http",{host:n,port:r,path:i,key:s}=this._options,o=new URL(`${t}://${n}:${r}${i}${s}/${e}`);return o.searchParams.set("ts",`${Date.now()}${Math.random()}`),o.searchParams.set("version",eI),fetch(o.href,{referrerPolicy:this._options.referrerPolicy})}async retrieveId(){try{let e=await this._buildRequest("id");if(200!==e.status)throw Error(`Error. Status:${e.status}`);return e.text()}catch(t){em.error("Error retrieving ID",t);let e="";throw"/"===this._options.path&&this._options.host!==ef.CLOUD_HOST&&(e=" If you passed in a `path` to your self-hosted PeerServer, you'll also need to pass in that same path when creating a new Peer."),Error("Could not get an ID from the server."+e)}}async listAllPeers(){try{let e=await this._buildRequest("peers");if(200!==e.status){if(401===e.status){let e="";throw e=this._options.host===ef.CLOUD_HOST?"It looks like you're using the cloud server. You can email team@peerjs.com to enable peer listing for your API key.":"You need to enable `allow_discovery` on your self-hosted PeerServer to use this feature.",Error("It doesn't look like you have permission to list peers IDs. "+e)}throw Error(`Error. Status:${e.status}`)}return e.json()}catch(e){throw em.error("Error retrieving list peers",e),Error("Could not get list peers from the server."+e)}}constructor(e){this._options=e}}class eF extends ej{get type(){return ek.Data}_initializeDataChannel(e){this.dataChannel=e,this.dataChannel.onopen=()=>{em.log(`DC#${this.connectionId} dc connection success`),this._open=!0,this.emit("open")},this.dataChannel.onmessage=e=>{em.log(`DC#${this.connectionId} dc onmessage:`,e.data)},this.dataChannel.onclose=()=>{em.log(`DC#${this.connectionId} dc closed for:`,this.peer),this.close()}}close(e){if(e?.flush)return void this.send({__peerData:{type:"close"}});this._negotiator&&(this._negotiator.cleanup(),this._negotiator=null),this.provider&&(this.provider._removeConnection(this),this.provider=null),this.dataChannel&&(this.dataChannel.onopen=null,this.dataChannel.onmessage=null,this.dataChannel.onclose=null,this.dataChannel=null),this.open&&(this._open=!1,super.emit("close"))}send(e,t=!1){return this.open?this._send(e,t):void this.emitError(ew.NotOpenYet,"Connection is not open. You should listen for the `open` event before sending messages.")}async handleMessage(e){let t=e.payload;switch(e.type){case eD.Answer:await this._negotiator.handleSDP(e.type,t.sdp);break;case eD.Candidate:await this._negotiator.handleCandidate(t.candidate);break;default:em.warn("Unrecognized message type:",e.type,"from peer:",this.peer)}}constructor(e,t,n){super(e,t,n),this.connectionId=this.options.connectionId||eF.ID_PREFIX+eh(),this.label=this.options.label||this.connectionId,this.reliable=!!this.options.reliable,this._negotiator=new eO(this),this._negotiator.startConnection(this.options._payload||{originator:!0,reliable:this.reliable})}}eF.ID_PREFIX="dc_",eF.MAX_BUFFERED_AMOUNT=8388608;class eN extends eF{get bufferSize(){return this._bufferSize}_initializeDataChannel(e){super._initializeDataChannel(e),this.dataChannel.binaryType="arraybuffer",this.dataChannel.addEventListener("message",e=>this._handleDataMessage(e))}_bufferedSend(e){(this._buffering||!this._trySend(e))&&(this._buffer.push(e),this._bufferSize=this._buffer.length)}_trySend(e){if(!this.open)return!1;if(this.dataChannel.bufferedAmount>eF.MAX_BUFFERED_AMOUNT)return this._buffering=!0,setTimeout(()=>{this._buffering=!1,this._tryBuffer()},50),!1;try{this.dataChannel.send(e)}catch(e){return em.error(`DC#:${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)return void this.send({__peerData:{type:"close"}});this._buffer=[],this._bufferSize=0,super.close()}constructor(...e){super(...e),this._buffer=[],this._bufferSize=0,this._buffering=!1}}class ez extends eN{close(e){super.close(e),this._chunkedData={}}_handleDataMessage({data:e}){let t=i(e),n=t.__peerData;if(n)return"close"===n.type?void this.close():void this._handleChunk(t);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=s(e);return n instanceof Promise?this._send_blob(n):!t&&n.byteLength>this.chunker.chunkedMTU?void this._sendChunks(n):void this._bufferedSend(n)}async _send_blob(e){let t=await e;if(t.byteLength>this.chunker.chunkedMTU)return void this._sendChunks(t);this._bufferedSend(t)}_sendChunks(e){let t=this.chunker.chunk(e);for(let e of(em.log(`DC#${this.connectionId} Try to send ${t.length} chunks...`),t))this.send(e,!0)}constructor(e,t,r){super(e,t,r),this.chunker=new n,this.serialization=eE.Binary,this._chunkedData={}}}class e$ extends eN{_handleDataMessage({data:e}){super.emit("data",e)}_send(e,t){this._bufferedSend(e)}constructor(...e){super(...e),this.serialization=eE.None}}class eV extends eN{_handleDataMessage({data:e}){let t=this.parse(this.decoder.decode(e)),n=t.__peerData;if(n&&"close"===n.type)return void this.close();this.emit("data",t)}_send(e,t){let n=this.encoder.encode(this.stringify(e));if(n.byteLength>=ef.chunkedMTU)return void this.emitError(ew.MessageToBig,"Message too big for JSON channel");this._bufferedSend(n)}constructor(...e){super(...e),this.serialization=eE.JSON,this.encoder=new TextEncoder,this.decoder=new TextDecoder,this.stringify=JSON.stringify,this.parse=JSON.parse}}class eG extends eL{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 eM(this._options.secure,this._options.host,this._options.port,this._options.path,this._options.key,this._options.pingInterval);return e.on(ex.Message,e=>{this._handleMessage(e)}),e.on(ex.Error,e=>{this._abort(eR.SocketError,e)}),e.on(ex.Disconnected,()=>{this.disconnected||(this.emitError(eR.Network,"Lost connection to server."),this.disconnect())}),e.on(ex.Close,()=>{this.disconnected||this._abort(eR.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 eD.Open:this._lastServerId=this.id,this._open=!0,this.emit("open",this.id);break;case eD.Error:this._abort(eR.ServerError,n.msg);break;case eD.IdTaken:this._abort(eR.UnavailableID,`ID "${this.id}" is taken`);break;case eD.InvalidKey:this._abort(eR.InvalidKey,`API KEY "${this._options.key}" is invalid`);break;case eD.Leave:em.log(`Received leave message from ${r}`),this._cleanupPeer(r),this._connections.delete(r);break;case eD.Expire:this.emitError(eR.PeerUnavailable,`Could not connect to peer ${r}`);break;case eD.Offer:{let e=n.connectionId,t=this.getConnection(r,e);if(t&&(t.close(),em.warn(`Offer received for existing Connection ID:${e}`)),n.type===ek.Media){let i=new eB(r,this,{connectionId:e,_payload:n,metadata:n.metadata});t=i,this._addConnection(r,t),this.emit("call",i)}else{if(n.type!==ek.Data)return void em.warn(`Received malformed connection type:${n.type}`);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)}for(let n of this._getMessages(e))t.handleMessage(n);break}default:{if(!n)return void em.warn(`You received a malformed message from ${r} of type ${t}`);let i=n.connectionId,s=this.getConnection(r,i);s&&s.peerConnection?s.handleMessage(e):i?this._storeMessage(i,e):em.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){em.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(eR.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){em.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(eR.Disconnected,"Cannot connect to new Peer after disconnecting from server.");return}if(!t)return void em.error("To call a peer, you must provide a stream from your browser's `getUserMedia`.");let r=new eB(e,this,{...n,_stream:t});return this._addConnection(e,r),r}_addConnection(e,t){em.log(`add connection ${t.type}:${t.connectionId} to peerId:${e}`),this._connections.has(e)||this._connections.set(e,[]),this._connections.get(e).push(t)}_removeConnection(e){let t=this._connections.get(e.peer);if(t){let n=t.indexOf(e);-1!==n&&t.splice(n,1)}this._lostMessages.delete(e.connectionId)}getConnection(e,t){let n=this._connections.get(e);if(!n)return null;for(let e of n)if(e.connectionId===t)return e;return null}_delayedAbort(e,t){setTimeout(()=>{this._abort(e,t)},0)}_abort(e,t){em.error("Aborting!"),this.emitError(e,t),this._lastServerId?this.disconnect():this.destroy()}destroy(){this.destroyed||(em.log(`Destroy peer with ID:${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;em.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)em.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 ${this.id} cannot reconnect because it is not disconnected from the server!`);else em.error("In a hurry? We're still trying to make the initial connection!")}listAllPeers(e=e=>{}){this._api.listAllPeers().then(t=>e(t)).catch(e=>this._abort(eR.ServerError,e))}constructor(e,t){let n;if(super(),this._serializers={raw:e$,json:eV,binary:ez,"binary-utf8":ez,default:ez},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:ef.CLOUD_HOST,port:ef.CLOUD_PORT,path:"/",key:eG.DEFAULT_KEY,token:ef.randomToken(),config:ef.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!==ef.CLOUD_HOST?this._options.secure=ef.isSecure():this._options.host==ef.CLOUD_HOST&&(this._options.secure=!0),this._options.logFunction&&em.setLogFunction(this._options.logFunction),em.logLevel=this._options.debug||0,this._api=new eU(t),this._socket=this._createServerConnection(),!ef.supports.audioVideo&&!ef.supports.data)return void this._delayedAbort(eR.BrowserIncompatible,"The current browser does not support WebRTC");if(n&&!ef.validateId(n))return void this._delayedAbort(eR.InvalidID,`ID "${n}" is invalid`);n?this._initialize(n):this._api.retrieveId().then(e=>this._initialize(e)).catch(e=>this._abort(eR.ServerError,e))}}eG.DEFAULT_KEY="peerjs",window.peerjs={Peer:eG,util:ef},window.Peer=eG})();
//# sourceMappingURL=peerjs.min.js.map