p2pt/dist/p2pt.cjs

WebRTC P2P connections with WebTorrent trackers as signalling server

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w=this.pipeline.done.bind(this.pipeline,t),C=this.pipeline.done.bind(this.pipeline,t,null);t.on("error",w),t.on("close",C),t.on("finish",this.pipeline.finished.bind(this.pipeline))}t.on("drain",Tn.bind(this)),this.stream.emit("piping",t),t.emit("pipe",this.stream)}push(t){const r=this.stream;return t===null?(this.highWaterMark=0,r._duplexState=(r._duplexState|F)&Yt,!1):this.map!==null&&(t=this.map(t),t===null)?(r._duplexState&=Ve,this.buffered<this.highWaterMark):(this.buffered+=this.byteLength(t),this.queue.push(t),r._duplexState=(r._duplexState|x)&Ve,this.buffered<this.highWaterMark)}shift(){const t=this.queue.shift();return this.buffered-=this.byteLength(t),this.buffered===0&&(this.stream._duplexState&=Kt),t}unshift(t){const r=[this.map!==null?this.map(t):t];for(;this.buffered>0;)r.push(this.shift());for(let w=0;w<r.length-1;w++){const C=r[w];this.buffered+=this.byteLength(C),this.queue.push(C)}this.push(r[r.length-1])}read(){const t=this.stream;if((t._duplexState&nt)===x){const r=this.shift();return this.pipeTo!==null&&this.pipeTo.write(r)===!1&&(t._duplexState&=Ke),(t._duplexState&c)!==0&&t.emit("data",r),r}return this.readAhead===!1&&(t._duplexState|=E,this.updateNextTick()),null}drain(){const t=this.stream;for(;(t._duplexState&nt)===x&&(t._duplexState&L)!==0;){const r=this.shift();this.pipeTo!==null&&this.pipeTo.write(r)===!1&&(t._duplexState&=Ke),(t._duplexState&c)!==0&&t.emit("data",r)}}update(){const t=this.stream;t._duplexState|=k;do{for(this.drain();this.buffered<this.highWaterMark&&(t._duplexState&cn)===E;)t._duplexState|=V,t._read(this.afterRead),this.drain();(t._duplexState&an)===Re&&(t._duplexState|=f,t.emit("readable")),(t._duplexState&fe)===0&&this.updateNonPrimary()}while(this.continueUpdate()===!0);t._duplexState&=zt}updateNonPrimary(){const t=this.stream;if((t._duplexState&on)===F&&(t._duplexState=(t._duplexState|_)&$t,t.emit("end"),(t._duplexState&et)===ve&&(t._duplexState|=p),this.pipeTo!==null&&this.pipeTo.end()),(t._duplexState&W)===p){(t._duplexState&pe)===0&&(t._duplexState|=re,t._destroy(ot.bind(this)));return}(t._duplexState&tt)===S&&(t._duplexState=(t._duplexState|re)&d,t._open(at.bind(this)))}continueUpdate(){return(this.stream._duplexState&m)===0?!1:(this.stream._duplexState&=$e,!0)}updateCallback(){(this.stream._duplexState&ln)===D?this.update():this.updateNextTick()}updateNextTickIfOpen(){(this.stream._duplexState&un)===0&&(this.stream._duplexState|=m,(this.stream._duplexState&k)===0&&l(this.afterUpdateNextTick))}updateNextTick(){(this.stream._duplexState&m)===0&&(this.stream._duplexState|=m,(this.stream._duplexState&k)===0&&l(this.afterUpdateNextTick))}}class wn{constructor(t){this.data=null,this.afterTransform=In.bind(t),this.afterFinal=null}}class Cn{constructor(t,r,w){this.from=t,this.to=r,this.afterPipe=w,this.error=null,this.pipeToFinished=!1}finished(){this.pipeToFinished=!0}done(t,r){if(r&&(this.error=r),t===this.to&&(this.to=null,this.from!==null)){((this.from._duplexState&_)===0||!this.pipeToFinished)&&this.from.destroy(this.error||new Error("Writable stream closed prematurely"));return}if(t===this.from&&(this.from=null,this.to!==null)){(t._duplexState&_)===0&&this.to.destroy(this.error||new Error("Readable stream closed before ending"));return}this.afterPipe!==null&&this.afterPipe(this.error),this.to=this.from=this.afterPipe=null}}function Tn(){this.stream._duplexState|=P,this.updateCallback()}function Rn(h){const t=this.stream;h&&t.destroy(h),(t._duplexState&W)===0&&(t._duplexState|=G,t.emit("finish")),(t._duplexState&et)===ve&&(t._duplexState|=p),t._duplexState&=Qt,(t._duplexState&J)===0?this.update():this.updateNextTick()}function ot(h){const t=this.stream;!h&&this.error!==e&&(h=this.error),h&&t.emit("error",h),t._duplexState|=g,t.emit("close");const r=t._readableState,w=t._writableState;if(r!==null&&r.pipeline!==null&&r.pipeline.done(t,h),w!==null){for(;w.drains!==null&&w.drains.length>0;)w.drains.shift().resolve(!1);w.pipeline!==null&&w.pipeline.done(t,h)}}function An(h){const t=this.stream;h&&t.destroy(h),t._duplexState&=Xt,this.drains!==null&&Nn(this.drains),(t._duplexState&_n)===se&&(t._duplexState&=Zt,(t._duplexState&ke)===ke&&t.emit("drain")),this.updateCallback()}function kn(h){h&&this.stream.destroy(h),this.stream._duplexState&=Ht,this.readAhead===!1&&(this.stream._duplexState&O)===0&&(this.stream._duplexState&=ze),this.updateCallback()}function xn(){(this.stream._duplexState&k)===0&&(this.stream._duplexState&=$e,this.update())}function vn(){(this.stream._duplexState&J)===0&&(this.stream._duplexState&=Xe,this.update())}function Nn(h){for(let t=0;t<h.length;t++)--h[t].writes===0&&(h.shift().resolve(!0),t--)}function at(h){const t=this.stream;h&&t.destroy(h),(t._duplexState&p)===0&&((t._duplexState&rn)===0&&(t._duplexState|=D),(t._duplexState&dn)===0&&(t._duplexState|=ie),t.emit("open")),t._duplexState&=Ze,t._writableState!==null&&t._writableState.updateCallback(),t._readableState!==null&&t._readableState.updateCallback()}function In(h,t){t!=null&&this.push(t),this._writableState.afterWrite(h)}function On(h){this._readableState!==null&&(h==="data"&&(this._duplexState|=c|Ae,this._readableState.updateNextTick()),h==="readable"&&(this._duplexState|=o,this._readableState.updateNextTick())),this._writableState!==null&&h==="drain"&&(this._duplexState|=ke,this._writableState.updateNextTick())}class Ne extends a{constructor(t){super(),this._duplexState=0,this._readableState=null,this._writableState=null,t&&(t.open&&(this._open=t.open),t.destroy&&(this._destroy=t.destroy),t.predestroy&&(this._predestroy=t.predestroy),t.signal&&t.signal.addEventListener("abort",Hn.bind(this))),this.on("newListener",On)}_open(t){t(null)}_destroy(t){t(null)}_predestroy(){}get readable(){return this._readableState!==null?!0:void 0}get writable(){return this._writableState!==null?!0:void 0}get destroyed(){return(this._duplexState&g)!==0}get destroying(){return(this._duplexState&W)!==0}destroy(t){(this._duplexState&W)===0&&(t||(t=e),this._duplexState=(this._duplexState|p)&nn,this._readableState!==null&&(this._readableState.highWaterMark=0,this._readableState.error=t),this._writableState!==null&&(this._writableState.highWaterMark=0,this._writableState.error=t),this._duplexState|=b,this._predestroy(),this._duplexState&=y,this._readableState!==null&&this._readableState.updateNextTick(),this._writableState!==null&&this._writableState.updateNextTick())}}class oe extends Ne{constructor(t){super(t),this._duplexState|=S|G|E,this._readableState=new En(this,t),t&&(this._readableState.readAhead===!1&&(this._duplexState&=ze),t.read&&(this._read=t.read),t.eagerOpen&&this._readableState.updateNextTick(),t.encoding&&this.setEncoding(t.encoding))}setEncoding(t){const r=new s(t),w=this._readableState.map||Pn;return this._readableState.map=C,this;function C(N){const v=r.push(N);return v===""&&(N.byteLength!==0||r.remaining>0)?null:w(v)}}_read(t){t(null)}pipe(t,r){return this._readableState.updateNextTick(),this._readableState.pipe(t,r),t}read(){return this._readableState.updateNextTick(),this._readableState.read()}push(t){return this._readableState.updateNextTickIfOpen(),this._readableState.push(t)}unshift(t){return this._readableState.updateNextTickIfOpen(),this._readableState.unshift(t)}resume(){return this._duplexState|=Ae,this._readableState.updateNextTick(),this}pause(){return this._duplexState&=this._readableState.readAhead===!1?Jt:Vt,this}static _fromAsyncIterator(t,r){let w;const C=new oe({...r,read(v){t.next().then(N).then(v.bind(null,null)).catch(v)},predestroy(){w=t.return()},destroy(v){if(!w)return v(null);w.then(v.bind(null,null)).catch(v)}});return C;function N(v){v.done?C.push(null):C.push(v.value)}}static from(t,r){if(Bn(t))return t;if(t[ge])return this._fromAsyncIterator(t[ge](),r);Array.isArray(t)||(t=t===void 0?[]:[t]);let w=0;return new oe({...r,read(C){this.push(w===t.length?null:t[w++]),C(null)}})}static isBackpressured(t){return(t._duplexState&hn)!==0||t._readableState.buffered>=t._readableState.highWaterMark}static isPaused(t){return(t._duplexState&O)===0}[ge](){const t=this;let r=null,w=null,C=null;return this.on("error",A=>{r=A}),this.on("readable",N),this.on("close",v),{[ge](){return this},next(){return new Promise(function(A,B){w=A,C=B;const Y=t.read();Y!==null?Q(Y):(t._duplexState&g)!==0&&Q(null)})},return(){return ce(null)},throw(A){return ce(A)}};function N(){w!==null&&Q(t.read())}function v(){w!==null&&Q(null)}function Q(A){C!==null&&(r?C(r):A===null&&(t._duplexState&_)===0?C(e):w({value:A,done:A===null}),C=w=null)}function ce(A){return t.destroy(A),new Promise((B,Y)=>{if(t._duplexState&g)return B({value:void 0,done:!0});t.once("close",function(){A?Y(A):B({value:void 0,done:!0})})})}}}class ct extends Ne{constructor(t){super(t),this._duplexState|=S|_,this._writableState=new rt(this,t),t&&(t.writev&&(this._writev=t.writev),t.write&&(this._write=t.write),t.final&&(this._final=t.final),t.eagerOpen&&this._writableState.updateNextTick())}cork(){this._duplexState|=_e}uncork(){this._duplexState&=Qe,this._writableState.updateNextTick()}_writev(t,r){r(null)}_write(t,r){this._writableState.autoBatch(t,r)}_final(t){t(null)}static isBackpressured(t){return(t._duplexState&bn)!==0}static drained(t){if(t.destroyed)return Promise.resolve(!1);const r=t._writableState,C=(Gn(t)?Math.min(1,r.queue.length):r.queue.length)+(t._duplexState&xe?1:0);return C===0?Promise.resolve(!0):(r.drains===null&&(r.drains=[]),new Promise(N=>{r.drains.push({writes:C,resolve:N})}))}write(t){return this._writableState.updateNextTick(),this._writableState.push(t)}end(t){return this._writableState.updateNextTick(),this._writableState.end(t),this}}class Ie extends oe{constructor(t){super(t),this._duplexState=S|this._duplexState&E,this._writableState=new rt(this,t),t&&(t.writev&&(this._writev=t.writev),t.write&&(this._write=t.write),t.final&&(this._final=t.final))}cork(){this._duplexState|=_e}uncork(){this._duplexState&=Qe,this._writableState.updateNextTick()}_writev(t,r){r(null)}_write(t,r){this._writableState.autoBatch(t,r)}_final(t){t(null)}write(t){return this._writableState.updateNextTick(),this._writableState.push(t)}end(t){return this._writableState.updateNextTick(),this._writableState.end(t),this}}class ht extends Ie{constructor(t){super(t),this._transformState=new wn(this),t&&(t.transform&&(this._transform=t.transform),t.flush&&(this._flush=t.flush))}_write(t,r){this._readableState.buffered>=this._readableState.highWaterMark?this._transformState.data=t:this._transform(t,this._transformState.afterTransform)}_read(t){if(this._transformState.data!==null){const r=this._transformState.data;this._transformState.data=null,t(null),this._transform(r,this._transformState.afterTransform)}else t(null)}destroy(t){super.destroy(t),this._transformState.data!==null&&(this._transformState.data=null,this._transformState.afterTransform())}_transform(t,r){r(null,t)}_flush(t){t(null)}_final(t){this._transformState.afterFinal=t,this._flush(Fn.bind(this))}}class Dn extends ht{}function Fn(h,t){const r=this._transformState.afterFinal;if(h)return r(h);t!=null&&this.push(t),this.push(null),r(null)}function Ln(...h){return new Promise((t,r)=>lt(...h,w=>{if(w)return r(w);t()}))}function lt(h,...t){const r=Array.isArray(h)?[...h,...t]:[h,...t],w=r.length&&typeof r[r.length-1]=="function"?r.pop():null;if(r.length<2)throw new Error("Pipeline requires at least 2 streams");let C=r[0],N=null,v=null;for(let A=1;A<r.length;A++)N=r[A],ae(C)?C.pipe(N,ce):(Q(C,!0,A>1,ce),C.pipe(N)),C=N;if(w){let A=!1;const B=ae(N)||!!(N._writableState&&N._writableState.autoDestroy);N.on("error",Y=>{v===null&&(v=Y)}),N.on("finish",()=>{A=!0,B||w(v)}),B&&N.on("close",()=>w(v||(A?null:n)))}return N;function Q(A,B,Y,Oe){A.on("error",Oe),A.on("close",Yn);function Yn(){if(A._readableState&&!A._readableState.ended||Y&&A._writableState&&!A._writableState.ended)return Oe(n)}}function ce(A){if(!(!A||v)){v=A;for(const B of r)B.destroy(A)}}}function Pn(h){return h}function ut(h){return!!h._readableState||!!h._writableState}function ae(h){return typeof h._duplexState=="number"&&ut(h)}function Un(h){return!!h._readableState&&h._readableState.ended}function Mn(h){return!!h._writableState&&h._writableState.ended}function Wn(h,t={}){const r=h._readableState&&h._readableState.error||h._writableState&&h._writableState.error;return!t.all&&r===e?null:r}function Bn(h){return ae(h)&&h.readable}function qn(h){return(h._duplexState&S)!==S||(h._duplexState&pe)!==0}function jn(h){return typeof h=="object"&&h!==null&&typeof h.byteLength=="number"}function dt(h){return jn(h)?h.byteLength:1024}function ft(){}function Hn(){this.destroy(new Error("Stream aborted."))}function Gn(h){return h._writev!==ct.prototype._writev&&h._writev!==Ie.prototype._writev}return We={pipeline:lt,pipelinePromise:Ln,isStream:ut,isStreamx:ae,isEnded:Un,isFinished:Mn,isDisturbed:qn,getStreamError:Wn,Stream:Ne,Writable:ct,Readable:oe,Duplex:Ie,Transform:ht,PassThrough:Dn},We}var Ut=ti(),Be,Tt;function ni(){if(Tt)return Be;Tt=1;function a(n,i){for(const s in i)Object.defineProperty(n,s,{value:i[s],enumerable:!0,configurable:!0});return n}function e(n,i,s){if(!n||typeof n=="string")throw new TypeError("Please pass an Error to err-code");s||(s={}),typeof i=="object"&&(s=i,i=""),i&&(s.code=i);try{return a(n,s)}catch{s.message=n.message,s.stack=n.stack;const u=function(){};return u.prototype=Object.create(Object.getPrototypeOf(n)),a(new u,s)}}return Be=e,Be}var ii=ni();const I=Ce(ii);/* Common package for dealing with hex/string/uint8 conversions (and sha1 hashing)
*
* @author   Jimmy Wärting <jimmy@warting.se> (https://jimmy.warting.se/opensource)
* @license  MIT
*/const Se="0123456789abcdef",Mt=[],Ee=[];for(let a=0;a<256;a++)Mt[a]=Se[a>>4&15]+Se[a&15],a<16&&(a<10?Ee[48+a]=a:Ee[87+a]=a);const ne=a=>{const e=a.length;let n="",i=0;for(;i<e;)n+=Mt[a[i++]];return n},Wt=a=>{const e=a.length>>1,n=e<<1,i=new Uint8Array(e);let s=0,l=0;for(;l<n;)i[s++]=Ee[a.charCodeAt(l++)]<<4|Ee[a.charCodeAt(l++)];return i};var ee="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",si=typeof Uint8Array>"u"?[]:new Uint8Array(256);for(var ye=0;ye<ee.length;ye++)si[ee.charCodeAt(ye)]=ye;var ri=function(a){var e=new Uint8Array(a),n,i=e.length,s="";for(n=0;n<i;n+=3)s+=ee[e[n]>>2],s+=ee[(e[n]&3)<<4|e[n+1]>>4],s+=ee[(e[n+1]&15)<<2|e[n+2]>>6],s+=ee[e[n+2]&63];return i%3===2?s=s.substring(0,s.length-1)+"=":i%3===1&&(s=s.substring(0,s.length-2)+"=="),s};const oi=new TextDecoder,Bt=(a,e)=>oi.decode(a),ai=new TextEncoder,Ye=a=>ai.encode(a),ci=a=>ri(a),Z=a=>{let e="",n,i=0;const s=a.length;for(;i<s;)n=a.charCodeAt(i++),e+=Se[n>>4]+Se[n&15];return e},Rt=65536,ue=a=>{const e=Wt(a);if(e.length<=Rt)return String.fromCharCode(...e);let n="",i=0;for(;i<e.length;)n+=String.fromCharCode(...e.subarray(i,i+=Rt));return n},At=typeof window<"u"?window:self,Ge=At.crypto||At.msCrypto||{},kt=Ge.subtle||Ge.webkitSubtle,hi={hex:ne,base64:ci},li=async(a,e,n="sha-1")=>{if(!kt)throw new Error("no web crypto support");typeof a=="string"&&(a=Ye(a));const i=new Uint8Array(await kt.digest(n,a));return e?hi[e](i):i},de=a=>{const e=new Uint8Array(a);return Ge.getRandomValues(e)};/*! simple-peer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */const ui=Te("simple-peer"),qe=64*1024,di=5*1e3,fi=5*1e3;function xt(a){return a.replace(/a=ice-options:trickle\s\n/g,"")}function _i(a){console.warn(a)}class z extends Ut.Duplex{_pc;constructor(e){if(e=Object.assign({allowHalfOpen:!1},e),super(e),this.__objectMode=!!e.objectMode,this._id=ne(de(4)).slice(0,7),this._debug("new peer %o",e),this.channelName=e.initiator?e.channelName||ne(de(20)):null,this.initiator=e.initiator||!1,this.channelConfig=e.channelConfig||z.channelConfig,this.channelNegotiated=this.channelConfig.negotiated,this.config=Object.assign({},z.config,e.config),this.offerOptions=e.offerOptions||{},this.answerOptions=e.answerOptions||{},this.sdpTransform=e.sdpTransform||(n=>n),this.trickle=e.trickle!==void 0?e.trickle:!0,this.allowHalfTrickle=e.allowHalfTrickle!==void 0?e.allowHalfTrickle:!1,this.iceCompleteTimeout=e.iceCompleteTimeout||di,this._destroying=!1,this._connected=!1,this.remoteAddress=void 0,this.remoteFamily=void 0,this.remotePort=void 0,this.localAddress=void 0,this.localFamily=void 0,this.localPort=void 0,!He)throw I(typeof window>"u"?new Error("No WebRTC support: Specify `opts.wrtc` option in this environment"):new Error("No WebRTC support: Not a supported browser"),"ERR_WEBRTC_SUPPORT");this._pcReady=!1,this._channelReady=!1,this._iceComplete=!1,this._iceCompleteTimer=null,this._channel=null,this._pendingCandidates=[],this._isNegotiating=!1,this._firstNegotiation=!0,this._batchedNegotiation=!1,this._queuedNegotiation=!1,this._sendersAwaitingStable=[],this._closingInterval=null,this._remoteTracks=[],this._remoteStreams=[],this._chunk=null,this._cb=null,this._interval=null;try{this._pc=new He(this.config)}catch(n){this.__destroy(I(n,"ERR_PC_CONSTRUCTOR"));return}this._isReactNativeWebrtc=typeof this._pc._peerConnectionId=="number",this._pc.oniceconnectionstatechange=()=>{this._onIceStateChange()},this._pc.onicegatheringstatechange=()=>{this._onIceStateChange()},this._pc.onconnectionstatechange=()=>{this._onConnectionStateChange()},this._pc.onsignalingstatechange=()=>{this._onSignalingStateChange()},this._pc.onicecandidate=n=>{this._onIceCandidate(n)},typeof this._pc.peerIdentity=="object"&&this._pc.peerIdentity.catch(n=>{this.__destroy(I(n,"ERR_PC_PEER_IDENTITY"))}),this.initiator||this.channelNegotiated?this._setupData({channel:this._pc.createDataChannel(this.channelName,this.channelConfig)}):this._pc.ondatachannel=n=>{this._setupData(n)},this._debug("initial negotiation"),this._needsNegotiation(),this._onFinishBound=()=>{this._onFinish()},this.once("finish",this._onFinishBound)}get bufferSize(){return this._channel&&this._channel.bufferedAmount||0}get connected(){return this._connected&&this._channel.readyState==="open"}address(){return{port:this.localPort,family:this.localFamily,address:this.localAddress}}signal(e){if(!this._destroying){if(this.destroyed)throw I(new Error("cannot signal after peer is destroyed"),"ERR_DESTROYED");if(typeof e=="string")try{e=JSON.parse(e)}catch{e={}}this._debug("signal()"),e.renegotiate&&this.initiator&&(this._debug("got request to renegotiate"),this._needsNegotiation()),e.transceiverRequest&&this.initiator&&(this._debug("got request for transceiver"),this.addTransceiver(e.transceiverRequest.kind,e.transceiverRequest.init)),e.candidate&&(this._pc.remoteDescription&&this._pc.remoteDescription.type?this._addIceCandidate(e.candidate):this._pendingCandidates.push(e.candidate)),e.sdp&&this._pc.setRemoteDescription(new Jn(e)).then(()=>{this.destroyed||(this._pendingCandidates.forEach(n=>{this._addIceCandidate(n)}),this._pendingCandidates=[],this._pc.remoteDescription.type==="offer"&&this._createAnswer())}).catch(n=>{this.__destroy(I(n,"ERR_SET_REMOTE_DESCRIPTION"))}),!e.sdp&&!e.candidate&&!e.renegotiate&&!e.transceiverRequest&&this.__destroy(I(new Error("signal() called with invalid signal data"),"ERR_SIGNALING"))}}_addIceCandidate(e){const n=new Xn(e);this._pc.addIceCandidate(n).catch(i=>{!n.address||n.address.endsWith(".local")?_i("Ignoring unsupported ICE candidate."):this.__destroy(I(i,"ERR_ADD_ICE_CANDIDATE"))})}send(e){if(!this._destroying){if(this.destroyed)throw I(new Error("cannot send after peer is destroyed"),"ERR_DESTROYED");this._channel.send(e)}}_needsNegotiation(){this._debug("_needsNegotiation"),!this._batchedNegotiation&&(this._batchedNegotiation=!0,queueMicrotask(()=>{this._batchedNegotiation=!1,this.initiator||!this._firstNegotiation?(this._debug("starting batched negotiation"),this.negotiate()):this._debug("non-initiator initial negotiation request discarded"),this._firstNegotiation=!1}))}negotiate(){if(!this._destroying){if(this.destroyed)throw I(new Error("cannot negotiate after peer is destroyed"),"ERR_DESTROYED");this.initiator?this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, queueing")):(this._debug("start negotiation"),setTimeout(()=>{this._createOffer()},0)):this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, queueing")):(this._debug("requesting negotiation from initiator"),this.emit("signal",{type:"renegotiate",renegotiate:!0})),this._isNegotiating=!0}}_final(e){this._readableState.ended||this.push(null),e(null)}__destroy(e){this.end(),this._destroy(()=>{},e)}_destroy(e,n){this.destroyed||this._destroying||(this._destroying=!0,this._debug("destroying (error: %s)",n&&(n.message||n)),setTimeout(()=>{if(this._connected&&this.emit("disconnect"),this._connected=!1,this._pcReady=!1,this._channelReady=!1,this._remoteTracks=null,this._remoteStreams=null,this._senderMap=null,clearInterval(this._closingInterval),this._closingInterval=null,clearInterval(this._interval),this._interval=null,this._chunk=null,this._cb=null,this._onFinishBound&&this.removeListener("finish",this._onFinishBound),this._onFinishBound=null,this._channel){try{this._channel.close()}catch{}this._channel.onmessage=null,this._channel.onopen=null,this._channel.onclose=null,this._channel.onerror=null}if(this._pc){try{this._pc.close()}catch{}this._pc.oniceconnectionstatechange=null,this._pc.onicegatheringstatechange=null,this._pc.onsignalingstatechange=null,this._pc.onicecandidate=null,this._pc.ontrack=null,this._pc.ondatachannel=null}this._pc=null,this._channel=null,n&&this.emit("error",n),e()},0))}_setupData(e){if(!e.channel)return this.__destroy(I(new Error("Data channel event is missing `channel` property"),"ERR_DATA_CHANNEL"));this._channel=e.channel,this._channel.binaryType="arraybuffer",typeof this._channel.bufferedAmountLowThreshold=="number"&&(this._channel.bufferedAmountLowThreshold=qe),this.channelName=this._channel.label,this._channel.onmessage=i=>{this._onChannelMessage(i)},this._channel.onbufferedamountlow=()=>{this._onChannelBufferedAmountLow()},this._channel.onopen=()=>{this._onChannelOpen()},this._channel.onclose=()=>{this._onChannelClose()},this._channel.onerror=i=>{const s=i.error instanceof Error?i.error:new Error(`Datachannel error: ${i.message} ${i.filename}:${i.lineno}:${i.colno}`);this.__destroy(I(s,"ERR_DATA_CHANNEL"))};let n=!1;this._closingInterval=setInterval(()=>{this._channel&&this._channel.readyState==="closing"?(n&&this._onChannelClose(),n=!0):n=!1},fi)}_write(e,n){if(this.destroyed)return n(I(new Error("cannot write after peer is destroyed"),"ERR_DATA_CHANNEL"));if(this._connected){try{this.send(e)}catch(i){return this.__destroy(I(i,"ERR_DATA_CHANNEL"))}this._channel.bufferedAmount>qe?(this._debug("start backpressure: bufferedAmount %d",this._channel.bufferedAmount),this._cb=n):n(null)}else this._debug("write before connect"),this._chunk=e,this._cb=n}_onFinish(){if(this.destroyed)return;const e=()=>{setTimeout(()=>this.__destroy(),1e3)};this._connected?e():this.once("connect",e)}_startIceCompleteTimeout(){this.destroyed||this._iceCompleteTimer||(this._debug("started iceComplete timeout"),this._iceCompleteTimer=setTimeout(()=>{this._iceComplete||(this._iceComplete=!0,this._debug("iceComplete timeout completed"),this.emit("iceTimeout"),this.emit("_iceComplete"))},this.iceCompleteTimeout))}_createOffer(){this.destroyed||this._pc.createOffer(this.offerOptions).then(e=>{if(this.destroyed)return;!this.trickle&&!this.allowHalfTrickle&&(e.sdp=xt(e.sdp)),e.sdp=this.sdpTransform(e.sdp);const n=()=>{if(this.destroyed)return;const l=this._pc.localDescription||e;this._debug("signal"),this.emit("signal",{type:l.type,sdp:l.sdp})},i=()=>{this._debug("createOffer success"),!this.destroyed&&(this.trickle||this._iceComplete?n():this.once("_iceComplete",n))},s=l=>{this.__destroy(I(l,"ERR_SET_LOCAL_DESCRIPTION"))};this._pc.setLocalDescription(e).then(i).catch(s)}).catch(e=>{this.__destroy(I(e,"ERR_CREATE_OFFER"))})}_createAnswer(){this.destroyed||this._pc.createAnswer(this.answerOptions).then(e=>{if(this.destroyed)return;!this.trickle&&!this.allowHalfTrickle&&(e.sdp=xt(e.sdp)),e.sdp=this.sdpTransform(e.sdp);const n=()=>{if(this.destroyed)return;const l=this._pc.localDescription||e;this._debug("signal"),this.emit("signal",{type:l.type,sdp:l.sdp}),this.initiator||this._requestMissingTransceivers?.()},i=()=>{this.destroyed||(this.trickle||this._iceComplete?n():this.once("_iceComplete",n))},s=l=>{this.__destroy(I(l,"ERR_SET_LOCAL_DESCRIPTION"))};this._pc.setLocalDescription(e).then(i).catch(s)}).catch(e=>{this.__destroy(I(e,"ERR_CREATE_ANSWER"))})}_onConnectionStateChange(){this.destroyed||this._destroying||this._pc.connectionState==="failed"&&this.__destroy(I(new Error("Connection failed."),"ERR_CONNECTION_FAILURE"))}_onIceStateChange(){if(this.destroyed)return;const e=this._pc.iceConnectionState,n=this._pc.iceGatheringState;this._debug("iceStateChange (connection: %s) (gathering: %s)",e,n),this.emit("iceStateChange",e,n),(e==="connected"||e==="completed")&&(this._pcReady=!0,this._maybeReady()),e==="failed"&&this.__destroy(I(new Error("Ice connection failed."),"ERR_ICE_CONNECTION_FAILURE")),e==="closed"&&this.__destroy(I(new Error("Ice connection closed."),"ERR_ICE_CONNECTION_CLOSED"))}getStats(e){const n=i=>(Object.prototype.toString.call(i.values)==="[object Array]"&&i.values.forEach(s=>{Object.assign(i,s)}),i);this._pc.getStats.length===0||this._isReactNativeWebrtc?this._pc.getStats().then(i=>{const s=[];i.forEach(l=>{s.push(n(l))}),e(null,s)},i=>e(i)):this._pc.getStats.length>0?this._pc.getStats(i=>{if(this.destroyed)return;const s=[];i.result().forEach(l=>{const u={};l.names().forEach(S=>{u[S]=l.stat(S)}),u.id=l.id,u.type=l.type,u.timestamp=l.timestamp,s.push(n(u))}),e(null,s)},i=>e(i)):e(null,[])}_maybeReady(){if(this._debug("maybeReady pc %s channel %s",this._pcReady,this._channelReady),this._connected||this._connecting||!this._pcReady||!this._channelReady)return;this._connecting=!0;const e=()=>{this.destroyed||this._destroying||this.getStats((n,i)=>{if(this.destroyed||this._destroying)return;n&&(i=[]);const s={},l={},u={};let S=!1;i.forEach(p=>{(p.type==="remotecandidate"||p.type==="remote-candidate")&&(s[p.id]=p),(p.type==="localcandidate"||p.type==="local-candidate")&&(l[p.id]=p),(p.type==="candidatepair"||p.type==="candidate-pair")&&(u[p.id]=p)});const b=p=>{S=!0;let g=l[p.localCandidateId];g&&(g.ip||g.address)?(this.localAddress=g.ip||g.address,this.localPort=Number(g.port)):g&&g.ipAddress?(this.localAddress=g.ipAddress,this.localPort=Number(g.portNumber)):typeof p.googLocalAddress=="string"&&(g=p.googLocalAddress.split(":"),this.localAddress=g[0],this.localPort=Number(g[1])),this.localAddress&&(this.localFamily=this.localAddress.includes(":")?"IPv6":"IPv4");let d=s[p.remoteCandidateId];d&&(d.ip||d.address)?(this.remoteAddress=d.ip||d.address,this.remotePort=Number(d.port)):d&&d.ipAddress?(this.remoteAddress=d.ipAddress,this.remotePort=Number(d.portNumber)):typeof p.googRemoteAddress=="string"&&(d=p.googRemoteAddress.split(":"),this.remoteAddress=d[0],this.remotePort=Number(d[1])),this.remoteAddress&&(this.remoteFamily=this.remoteAddress.includes(":")?"IPv6":"IPv4"),this._debug("connect local: %s:%s remote: %s:%s",this.localAddress,this.localPort,this.remoteAddress,this.remotePort)};if(i.forEach(p=>{p.type==="transport"&&p.selectedCandidatePairId&&b(u[p.selectedCandidatePairId]),(p.type==="googCandidatePair"&&p.googActiveConnection==="true"||(p.type==="candidatepair"||p.type==="candidate-pair")&&p.selected)&&b(p)}),!S&&(!Object.keys(u).length||Object.keys(l).length)){setTimeout(e,100);return}else this._connecting=!1,this._connected=!0,this.emit("connect");if(this._chunk){try{this.send(this._chunk)}catch(g){return this.__destroy(I(g,"ERR_DATA_CHANNEL"))}this._chunk=null,this._debug('sent chunk from "write before connect"');const p=this._cb;this._cb=null,p(null)}typeof this._channel.bufferedAmountLowThreshold!="number"&&(this._interval=setInterval(()=>this._onInterval(),150),this._interval.unref&&this._interval.unref()),this._debug("connect"),this.emit("connect")})};e()}_onInterval(){!this._cb||!this._channel||this._channel.bufferedAmount>qe||this._onChannelBufferedAmountLow()}_onSignalingStateChange(){this.destroyed||(this._pc.signalingState==="stable"&&(this._isNegotiating=!1,this._debug("flushing sender queue",this._sendersAwaitingStable),this._sendersAwaitingStable.forEach(e=>{this._pc.removeTrack(e),this._queuedNegotiation=!0}),this._sendersAwaitingStable=[],this._queuedNegotiation?(this._debug("flushing negotiation queue"),this._queuedNegotiation=!1,this._needsNegotiation()):(this._debug("negotiated"),this.emit("negotiated"))),this._debug("signalingStateChange %s",this._pc.signalingState),this.emit("signalingStateChange",this._pc.signalingState))}_onIceCandidate(e){this.destroyed||(e.candidate&&this.trickle?this.emit("signal",{type:"candidate",candidate:{candidate:e.candidate.candidate,sdpMLineIndex:e.candidate.sdpMLineIndex,sdpMid:e.candidate.sdpMid}}):!e.candidate&&!this._iceComplete&&(this._iceComplete=!0,this.emit("_iceComplete")),e.candidate&&this._startIceCompleteTimeout())}_onChannelMessage(e){if(this.destroyed)return;let n=e.data;n instanceof ArrayBuffer?n=new Uint8Array(n):this.__objectMode===!1&&(n=Ye(n)),this.push(n)}_onChannelBufferedAmountLow(){if(this.destroyed||!this._cb)return;this._debug("ending backpressure: bufferedAmount %d",this._channel.bufferedAmount);const e=this._cb;this._cb=null,e(null)}_onChannelOpen(){this._connected||this.destroyed||(this._debug("on channel open"),this._channelReady=!0,this._maybeReady())}_onChannelClose(){this.destroyed||(this._debug("on channel close"),this.__destroy())}_debug(){const e=[].slice.call(arguments);e[0]="["+this._id+"] "+e[0],ui.apply(null,e)}}z.WEBRTC_SUPPORT=!!He;z.config={iceServers:[{urls:["stun:stun.l.google.com:19302","stun:global.stun.twilio.com:3478"]}],sdpSemantics:"unified-plan"};z.channelConfig={};/*! queue-microtask. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */var je,vt;function pi(){if(vt)return je;vt=1;let a;return je=typeof queueMicrotask=="function"?queueMicrotask.bind(typeof window<"u"?window:Lt):e=>(a||(a=Promise.resolve())).then(e).catch(n=>setTimeout(()=>{throw n},0)),je}var gi=pi();const Nt=Ce(gi),te={},mi=Object.freeze(Object.defineProperty({__proto__:null,default:te},Symbol.toStringTag,{value:"Module"}));/*! simple-websocket. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */const bi=Te("simple-websocket"),le=typeof te!="function"?WebSocket:te,It=64*1024;class qt extends Ut.Duplex{constructor(e={}){if(typeof e=="string"&&(e={url:e}),e=Object.assign({allowHalfOpen:!1},e),super(e),this.__objectMode=!!e.objectMode,e.objectMode!=null&&delete e.objectMode,e.url==null&&e.socket==null)throw new Error("Missing required `url` or `socket` option");if(e.url!=null&&e.socket!=null)throw new Error("Must specify either `url` or `socket` option, not both");if(this._id=ne(de(4)).slice(0,7),this._debug("new websocket: %o",e),this.connected=!1,this._chunk=null,this._cb=null,this._interval=null,e.socket)this.url=e.socket.url,this._ws=e.socket,this.connected=e.socket.readyState===le.OPEN;else{this.url=e.url;try{typeof te=="function"?this._ws=new le(e.url,{...e,encoding:void 0}):this._ws=new le(e.url)}catch(n){Nt(()=>this.destroy(n));return}}th