bundle.min.js

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i=e("debug")("bittorrent-tracker:websocket-tracker"),o=e("simple-peer"),s=e("randombytes"),a=e("simple-websocket"),c=e("../common"),u=e("./tracker"),h={},l=1e4,f=36e5,d=3e5,p=5e4;class g extends u{constructor(e,t,n){super(e,t),i("new websocket tracker %s",t),this.peers={},this.socket=null,this.reconnecting=!1,this.retries=0,this.reconnectTimer=null,this.expectingResponse=!1,this._openSocket()}announce(e){if(this.destroyed||this.reconnecting)return;if(!this.socket.connected)return void this.socket.once("connect",()=>{this.announce(e)});const t=Object.assign({},e,{action:"announce",info_hash:this.client._infoHashBinary,peer_id:this.client._peerIdBinary});if(this._trackerId&&(t.trackerid=this._trackerId),"stopped"===e.event||"completed"===e.event)this._send(t);else{const n=Math.min(e.numwant,10);this._generateOffers(n,e=>{t.numwant=n,t.offers=e,this._send(t)})}}scrape(e){if(this.destroyed||this.reconnecting)return;if(!this.socket.connected)return void this.socket.once("connect",()=>{this.scrape(e)});const t=Array.isArray(e.infoHash)&&e.infoHash.length>0?e.infoHash.map(e=>e.toString("binary")):e.infoHash&&e.infoHash.toString("binary")||this.client._infoHashBinary,n={action:"scrape",info_hash:t};this._send(n)}destroy(e=r){function t(){i&&(clearTimeout(i),i=null),n.removeListener("data",t),n.destroy(),n=null}if(this.destroyed)return e(null);this.destroyed=!0,clearInterval(this.interval),clearTimeout(this.reconnectTimer);for(const e in this.peers){const t=this.peers[e];clearTimeout(t.trackerTimeout),t.destroy()}if(this.peers=null,this.socket&&(this.socket.removeListener("connect",this._onSocketConnectBound),this.socket.removeListener("data",this._onSocketDataBound),this.socket.removeListener("close",this._onSocketCloseBound),this.socket.removeListener("error",this._onSocketErrorBound),this.socket=null),this._onSocketConnectBound=null,this._onSocketErrorBound=null,this._onSocketDataBound=null,this._onSocketCloseBound=null,h[this.announceUrl]&&(h[this.announceUrl].consumers-=1),h[this.announceUrl].consumers>0)return e();let n=h[this.announceUrl];if(delete h[this.announceUrl],n.on("error",r),n.once("close",e),!this.expectingResponse)return t();var i=setTimeout(t,c.DESTROY_TIMEOUT);n.once("data",t)}_openSocket(){this.destroyed=!1,this.peers||(this.peers={}),this._onSocketConnectBound=(()=>{this._onSocketConnect()}),this._onSocketErrorBound=(e=>{this._onSocketError(e)}),this._onSocketDataBound=(e=>{this._onSocketData(e)}),this._onSocketCloseBound=(()=>{this._onSocketClose()}),this.socket=h[this.announceUrl],this.socket?(h[this.announceUrl].consumers+=1,this.socket.connected&&this._onSocketConnectBound()):(this.socket=h[this.announceUrl]=new a(this.announceUrl),this.socket.consumers=1,this.socket.once("connect",this._onSocketConnectBound)),this.socket.on("data",this._onSocketDataBound),this.socket.once("close",this._onSocketCloseBound),this.socket.once("error",this._onSocketErrorBound)}_onSocketConnect(){this.destroyed||this.reconnecting&&(this.reconnecting=!1,this.retries=0,this.announce(this.client._defaultAnnounceOpts()))}_onSocketData(e){if(!this.destroyed){this.expectingResponse=!1;try{e=JSON.parse(e)}catch(e){return void this.client.emit("warning",new Error("Invalid tracker response"))}"announce"===e.action?this._onAnnounceResponse(e):"scrape"===e.action?this._onScrapeResponse(e):this._onSocketError(new Error(`invalid action in WS response: ${e.action}`))}}_onAnnounceResponse(e){if(e.info_hash!==this.client._infoHashBinary)return void i("ignoring websocket data from %s for %s (looking for %s: reused socket)",this.announceUrl,c.binaryToHex(e.info_hash),this.client.infoHash);if(e.peer_id&&e.peer_id===this.client._peerIdBinary)return;i("received %s from %s for %s",JSON.stringify(e),this.announceUrl,this.client.infoHash);const t=e["failure reason"];if(t)return this.client.emit("warning",new Error(t));const n=e["warning message"];n&&this.client.emit("warning",new Error(n));const r=e.interval||e["min interval"];r&&this.setInterval(1e3*r);const o=e["tracker id"];if(o&&(this._trackerId=o),null!=e.complete){const t=Object.assign({},e,{announce:this.announceUrl,infoHash:c.binaryToHex(e.info_hash)});this.client.emit("update",t)}let s;if(e.offer&&e.peer_id&&(i("creating peer (from remote offer)"),s=this._createPeer(),s.id=c.binaryToHex(e.peer_id),s.once("signal",t=>{const n={action:"announce",info_hash:this.client._infoHashBinary,peer_id:this.client._peerIdBinary,to_peer_id:e.peer_id,answer:t,offer_id:e.offer_id};this._trackerId&&(n.trackerid=this._trackerId),this._send(n)}),s.signal(e.offer),this.client.emit("peer",s)),e.answer&&e.peer_id){const t=c.binaryToHex(e.offer_id);s=this.peers[t],s?(s.id=c.binaryToHex(e.peer_id),s.signal(e.answer),this.client.emit("peer",s),clearTimeout(s.trackerTimeout),s.trackerTimeout=null,delete this.peers[t]):i(`got unexpected answer: ${JSON.stringify(e.answer)}`)}}_onScrapeResponse(e){e=e.files||{};const t=Object.keys(e);0!==t.length?t.forEach(t=>{const n=Object.assign(e[t],{announce:this.announceUrl,infoHash:c.binaryToHex(t)});this.client.emit("scrape",n)}):this.client.emit("warning",new Error("invalid scrape response"))}_onSocketClose(){this.destroyed||(this.destroy(),this._startReconnectTimer())}_onSocketError(e){this.destroyed||(this.destroy(),this.client.emit("warning",e),this._startReconnectTimer())}_startReconnectTimer(){const e=Math.floor(Math.random()*d)+Math.min(Math.pow(2,this.retries)*l,f);this.reconnecting=!0,clearTimeout(this.reconnectTimer),this.reconnectTimer=setTimeout(()=>{this.retries++,this._openSocket()},e),this.reconnectTimer.unref&&this.reconnectTimer.unref(),i("reconnecting socket in %s ms",e)}_send(e){if(this.destroyed)return;this.expectingResponse=!0;const t=JSON.stringify(e);i("send %s",t),this.socket.send(t)}_generateOffers(e,t){function n(){const e=s(20).toString("hex");i("creating peer (from _generateOffers)");const 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i.once("error",t),i.once("connect",n),i}}g.prototype.DEFAULT_ANNOUNCE_INTERVAL=3e4,g._socketPool=h,t.exports=g},{"../common":5,"./tracker":3,debug:9,randombytes:19,"simple-peer":37,"simple-websocket":40}],5:[function(e,t,n){(function(t){(function(){n.DEFAULT_ANNOUNCE_PEERS=50,n.MAX_ANNOUNCE_PEERS=82,n.binaryToHex=function(e){return"string"!=typeof e&&(e=String(e)),t.from(e,"binary").toString("hex")},n.hexToBinary=function(e){return"string"!=typeof e&&(e=String(e)),t.from(e,"hex").toString("binary")};var r=e("./common-node");Object.assign(n,r)}).call(this)}).call(this,e("buffer").Buffer)},{"./common-node":6,buffer:7}],6:[function(e,t,n){},{}],7:[function(e,t,n){(function(t){(function(){"use strict";function t(){try{var e=new Uint8Array(1);return e.__proto__={__proto__:Uint8Array.prototype,foo:function(){return 42}},42===e.foo()}catch(e){return!1}}function r(e){if(e>K)throw new RangeError('The value "'+e+'" is invalid for option "size"');var t=new Uint8Array(e);return 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this._pc._peerConnectionId,this._pc.oniceconnectionstatechange=(()=>{this._onIceStateChange()}),this._pc.onicegatheringstatechange=(()=>{this._onIceStateChange()}),this._pc.onconnectionstatechange=(()=>{this._onConnectionStateChange()}),this._pc.onsignalingstatechange=(()=>{this._onSignalingStateChange()}),this._pc.onicecandidate=(e=>{this._onIceCandidate(e)}),this.initiator||this.channelNegotiated?this._setupData({channel:this._pc.createDataChannel(this.channelName,this.channelConfig)}):this._pc.ondatachannel=(e=>{this._setupData(e)}),this.streams&&this.streams.forEach(e=>{this.addStream(e)}),this._pc.ontrack=(e=>{this._onTrack(e)}),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 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this._wrtc.RTCSessionDescription(e)).then(()=>{this.destroyed||(this._pendingCandidates.forEach(e=>{this._addIceCandidate(e)}),this._pendingCandidates=[],"offer"===this._pc.remoteDescription.type&&this._createAnswer())}).catch(e=>{this.destroy(h(e,"ERR_SET_REMOTE_DESCRIPTION"))}),e.sdp||e.candidate||e.renegotiate||e.transceiverRequest||this.destroy(h(new Error("signal() called with invalid signal data"),"ERR_SIGNALING"))}_addIceCandidate(e){const t=new this._wrtc.RTCIceCandidate(e);this._pc.addIceCandidate(t).catch(e=>{!t.address||t.address.endsWith(".local")?i("Ignoring unsupported ICE candidate."):this.destroy(h(e,"ERR_ADD_ICE_CANDIDATE"))})}send(e){this._channel.send(e)}addTransceiver(e,t){if(this._debug("addTransceiver()"),this.initiator)try{this._pc.addTransceiver(e,t),this._needsNegotiation()}catch(e){this.destroy(h(e,"ERR_ADD_TRANSCEIVER"))}else this.emit("signal",{type:"transceiverRequest",transceiverRequest:{kind:e,init:t}})}addStream(e){this._debug("addStream()"),e.getTracks().forEach(t=>{this.addTrack(t,e)})}addTrack(e,t){this._debug("addTrack()");const n=this._senderMap.get(e)||new Map;let r=n.get(t);if(r)throw r.removed?h(new Error("Track has been removed. You should enable/disable tracks that you want to re-add."),"ERR_SENDER_REMOVED"):h(new Error("Track has already been added to that stream."),"ERR_SENDER_ALREADY_ADDED");r=this._pc.addTrack(e,t),n.set(t,r),this._senderMap.set(e,n),this._needsNegotiation()}replaceTrack(e,t,n){this._debug("replaceTrack()");const r=this._senderMap.get(e),i=r?r.get(n):null;if(!i)throw h(new Error("Cannot replace track that was never added."),"ERR_TRACK_NOT_ADDED");t&&this._senderMap.set(t,r),null!=i.replaceTrack?i.replaceTrack(t):this.destroy(h(new Error("replaceTrack is not supported in this browser"),"ERR_UNSUPPORTED_REPLACETRACK"))}removeTrack(e,t){this._debug("removeSender()");const n=this._senderMap.get(e),r=n?n.get(t):null;if(!r)throw h(new Error("Cannot remove track that was never added."),"ERR_TRACK_NOT_ADDED");try{r.removed=!0,this._pc.removeTrack(r)}catch(e){"NS_ERROR_UNEXPECTED"===e.name?this._sendersAwaitingStable.push(r):this.destroy(h(e,"ERR_REMOVE_TRACK"))}this._needsNegotiation()}removeStream(e){this._debug("removeSenders()"),e.getTracks().forEach(t=>{this.removeTrack(t,e)})}_needsNegotiation(){this._debug("_needsNegotiation"),this._batchedNegotiation||(this._batchedNegotiation=!0,u(()=>{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(){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}destroy(e){this._destroy(e,()=>{})}_destroy(e,t){this.destroyed||this.destroying||(this.destroying=!0,this._debug("destroying (error: %s)",e&&(e.message||e)),u(()=>{if(this.destroyed=!0,this.destroying=!1,this._debug("destroy (error: %s)",e&&(e.message||e)),this.readable=this.writable=!1,this._readableState.ended||this.push(null),this._writableState.finished||this.end(),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(e){}this._channel.onmessage=null,this._channel.onopen=null,this._channel.onclose=null,this._channel.onerror=null}if(this._pc){try{this._pc.close()}catch(e){}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,e&&this.emit("error",e),this.emit("close"),t()}))}_setupData(e){if(!e.channel)return this.destroy(h(new Error("Data channel event is missing `channel` property"),"ERR_DATA_CHANNEL"));this._channel=e.channel,this._channel.binaryType="arraybuffer","number"==typeof this._channel.bufferedAmountLowThreshold&&(this._channel.bufferedAmountLowThreshold=f),this.channelName=this._channel.label,this._channel.onmessage=(e=>{this._onChannelMessage(e)}),this._channel.onbufferedamountlow=(()=>{this._onChannelBufferedAmountLow()}),this._channel.onopen=(()=>{this._onChannelOpen()}),this._channel.onclose=(()=>{this._onChannelClose()}),this._channel.onerror=(e=>{this.destroy(h(e,"ERR_DATA_CHANNEL"))});let t=!1;this._closingInterval=setInterval(()=>{this._channel&&"closing"===this._channel.readyState?(t&&this._onChannelClose(),t=!0):t=!1},p)}_read(){}_write(e,t,n){if(this.destroyed)return n(h(new Error("cannot write after peer is destroyed"),"ERR_DATA_CHANNEL"));if(this._connected){try{this.send(e)}catch(e){return this.destroy(h(e,"ERR_DATA_CHANNEL"))}this._channel.bufferedAmount>f?(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=r(e.sdp)),e.sdp=this.sdpTransform(e.sdp);const t=()=>{if(this.destroyed)return;const t=this._pc.localDescription||e;this._debug("signal"),this.emit("signal",{type:t.type,sdp:t.sdp})},n=()=>{this._debug("createOffer success"),this.destroyed||(this.trickle||this._iceComplete?t():this.once("_iceComplete",t))},i=e=>{this.destroy(h(e,"ERR_SET_LOCAL_DESCRIPTION"))};this._pc.setLocalDescription(e).then(n).catch(i)}).catch(e=>{this.destroy(h(e,"ERR_CREATE_OFFER"))})}_requestMissingTransceivers(){this._pc.getTransceivers&&this._pc.getTransceivers().forEach(e=>{e.mid||!e.sender.track||e.requested||(e.requested=!0,this.addTransceiver(e.sender.track.kind))})}_createAnswer(){this.destroyed||this._pc.createAnswer(this.answerOptions).then(e=>{if(this.destroyed)return;this.trickle||this.allowHalfTrickle||(e.sdp=r(e.sdp)),e.sdp=this.sdpTransform(e.sdp);const t=()=>{if(this.destroyed)return;const t=this._pc.localDescription||e;this._debug("signal"),this.emit("signal",{type:t.type,sdp:t.sdp}),this.initiator||this._requestMissingTransceivers()},n=()=>{this.destroyed||(this.trickle||this._iceComplete?t():this.once("_iceComplete",t))},i=e=>{this.destroy(h(e,"ERR_SET_LOCAL_DESCRIPTION"))};this._pc.setLocalDescription(e).then(n).catch(i)}).catch(e=>{this.destroy(h(e,"ERR_CREATE_ANSWER"))})}_onConnectionStateChange(){this.destroyed||"failed"===this._pc.connectionState&&this.destroy(h(new Error("Connection failed."),"ERR_CONNECTION_FAILURE"))}_onIceStateChange(){if(this.destroyed)return;const e=this._pc.iceConnectionState,t=this._pc.iceGatheringState;this._debug("iceStateChange (connection: %s) (gathering: %s)",e,t),this.emit("iceStateChange",e,t),"connected"!==e&&"completed"!==e||(this._pcReady=!0,this._maybeReady()),"failed"===e&&this.destroy(h(new Error("Ice connection failed."),"ERR_ICE_CONNECTION_FAILURE")),"closed"===e&&this.destroy(h(new Error("Ice connection closed."),"ERR_ICE_CONNECTION_CLOSED"))}getStats(e){const t=e=>("[object Array]"===Object.prototype.toString.call(e.values)&&e.values.forEach(t=>{Object.assign(e,t)}),e);0===this._pc.getStats.length||this._isReactNativeWebrtc?this._pc.getStats().then(n=>{const r=[];n.forEach(e=>{r.push(t(e))}),e(null,r)},t=>e(t)):this._pc.getStats.length>0?this._pc.getStats(n=>{if(this.destroyed)return;const r=[];n.result().forEach(e=>{const n={};e.names().forEach(t=>{n[t]=e.stat(t)}),n.id=e.id,n.type=e.type,n.timestamp=e.timestamp,r.push(t(n))}),e(null,r)},t=>e(t)):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.getStats((t,n)=>{if(this.destroyed)return;t&&(n=[]);const r={},i={},o={};let s=!1;n.forEach(e=>{"remotecandidate"!==e.type&&"remote-candidate"!==e.type||(r[e.id]=e),"localcandidate"!==e.type&&"local-candidate"!==e.type||(i[e.id]=e),"candidatepair"!==e.type&&"candidate-pair"!==e.type||(o[e.id]=e)});const a=e=>{s=!0;let t=i[e.localCandidateId];t&&(t.ip||t.address)?(this.localAddress=t.ip||t.address,this.localPort=Number(t.port)):t&&t.ipAddress?(this.localAddress=t.ipAddress,this.localPort=Number(t.portNumber)):"string"==typeof e.googLocalAddress&&(t=e.googLocalAddress.split(":"),this.localAddress=t[0],this.localPort=Number(t[1])),this.localAddress&&(this.localFamily=this.localAddress.includes(":")?"IPv6":"IPv4");let n=r[e.remoteCandidateId];n&&(n.ip||n.address)?(this.remoteAddress=n.ip||n.address,this.remotePort=Number(n.port)):n&&n.ipAddress?(this.remoteAddress=n.ipAddress,this.remotePort=Number(n.portNumber)):"string"==typeof e.googRemoteAddress&&(n=e.googRemoteAddress.split(":"),this.remoteAddress=n[0],this.remotePort=Number(n[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(n.forEach(e=>{"transport"===e.type&&e.selectedCandidatePairId&&a(o[e.selectedCandidatePairId]),("googCandidatePair"===e.type&&"true"===e.googActiveConnection||("candidatepair"===e.type||"candidate-pair"===e.type)&&e.selected)&&a(e)}),s||Object.keys(o).length&&!Object.keys(i).length){if(this._connecting=!1,this._connected=!0,this._chunk){try{this.send(this._chunk)}catch(t){return this.destroy(h(t,"ERR_DATA_CHANNEL"))}this._chunk=null,this._debug('sent chunk from "write before connect"');const e=this._cb;this._cb=null,e(null)}"number"!=typeof this._channel.bufferedAmountLowThreshold&&(this._interval=setInterval(()=>this._onInterval(),150),this._interval.unref&&this._interval.unref()),this._debug("connect"),this.emit("connect")}else setTimeout(e,100)})};e()}_onInterval(){!this._cb||!this._channel||this._channel.bufferedAmount>f||this._onChannelBufferedAmountLow()}_onSignalingStateChange(){this.destroyed||("stable"===this._pc.signalingState&&(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 t=e.data;t instanceof ArrayBuffer&&(t=l.from(t)),this.push(t)}_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())}_onTrack(e){this.destroyed||e.streams.forEach(t=>{this._debug("on track"),this.emit("track",e.track,t),this._remoteTracks.push({track:e.track,stream:t}),this._remoteStreams.some(e=>e.id===t.id)||(this._remoteStreams.push(t),u(()=>{this._debug("on stream"),this.emit("stream",t)}))})}_debug(){const e=[].slice.call(arguments);e[0]="["+this._id+"] "+e[0],o.apply(null,e)}}g.WEBRTC_SUPPORT=!!s(),g.config={iceServers:[{urls:["stun:stun.l.google.com:19302","stun:global.stun.twilio.com:3478"]}],sdpSemantics:"unified-plan"},g.channelConfig={},t.exports=g},{buffer:7,debug:9,"err-code":11,"get-browser-rtc":12,"queue-microtask":18,randombytes:19,"readable-stream":34}],38:[function(e,t,n){function r(e){return u.digest(e)}function i(e,t){f?("string"==typeof e&&(e=o(e)),f.digest({name:"sha-1"},e).then(function(e){t(s(new Uint8Array(e)))},function(){t(r(e))})):"undefined"!=typeof window?c(e,function(n,i){t(n?r(e):i)}):queueMicrotask(()=>t(r(e)))}function o(e){for(var t=e.length,n=new Uint8Array(t),r=0;r<t;r++)n[r]=e.charCodeAt(r);return n}function s(e){for(var 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e&&(e={url:e}),e=Object.assign({allowHalfOpen:!1},e),super(e),null==e.url&&null==e.socket)throw new Error("Missing required `url` or `socket` option");if(null!=e.url&&null!=e.socket)throw new Error("Must specify either `url` or `socket` option, not both");if(this._id=i(4).toString("hex").slice(0,7),this._debug("new websocket: %o",e),this.connected=!1,this.destroyed=!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===c.OPEN;else{this.url=e.url;try{this._ws="function"==typeof a?new c(e.url,e):new c(e.url)}catch(e){return void s(()=>this.destroy(e))}}this._ws.binaryType="arraybuffer",this._ws.onopen=(()=>{this._onOpen()}),this._ws.onmessage=(e=>{this._onMessage(e)}),
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