build

1 files changed, 1 insertions, 1 deletions

diff --git a/webtorrent.min.js b/webtorrent.min.js
index 1607068..11c18a6 100644
--- a/webtorrent.min.js
+++ b/webtorrent.min.js
@@ -1 +1 @@
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transceiver"),r.addTransceiver(n.transceiverRequest.kind,n.transceiverRequest.init)),n.candidate&&(r._pc.localDescription&&r._pc.localDescription.type&&r._pc.remoteDescription&&r._pc.remoteDescription.type?r._addIceCandidate(n.candidate):r._pendingCandidates.push(n.candidate)),n.sdp&&r._pc.setRemoteDescription(new r._wrtc.RTCSessionDescription(n)).then(function(){r.destroyed||(r._pendingCandidates.forEach(function(t){r._addIceCandidate(t)}),r._pendingCandidates=[],"offer"===r._pc.remoteDescription.type&&r._createAnswer())}).catch(function(t){r.destroy(d(t,"ERR_SET_REMOTE_DESCRIPTION"))}),n.sdp||n.candidate||n.renegotiate||n.transceiverRequest||r.destroy(d("signal() called with invalid signal data","ERR_SIGNALING"))},n.prototype._addIceCandidate=function(r){var o=this,t=new o._wrtc.RTCIceCandidate(r);o._pc.addIceCandidate(t).catch(function(n){!t.address||t.address.endsWith(".local")?("Ignoring unsupported ICE candidate.",console.warn("Ignoring unsupported ICE 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You should enable/disable tracks that you want to re-add.","ERR_SENDER_REMOVED")):this.destroy(d("Track has already been added to that stream.","ERR_SENDER_ALREADY_ADDED")):(n=this._pc.addTrack(o,e),t.set(e,n),this._senderMap.set(o,t),this._needsNegotiation())},n.prototype.replaceTrack=function(o,e,t){this._debug("replaceTrack()");var n=this._senderMap.get(o),r=n?n.get(t):null;r||this.destroy(d("Cannot replace track that was never added.","ERR_TRACK_NOT_ADDED")),e&&this._senderMap.set(e,n),null==r.replaceTrack?this.destroy(d("replaceTrack is not supported in this browser","ERR_UNSUPPORTED_REPLACETRACK")):r.replaceTrack(e)},n.prototype.removeTrack=function(o,e){this._debug("removeSender()");var t=this._senderMap.get(o),n=t?t.get(e):null;n||this.destroy(d("Cannot remove track that was never added.","ERR_TRACK_NOT_ADDED"));try{n.removed=!0,this._pc.removeTrack(n)}catch(e){"NS_ERROR_UNEXPECTED"===e.name?this._sendersAwaitingStable.push(n):this.destroy(e)}this._needsNegotiation()},n.prototype.removeStream=function(r){var e=this;e._debug("removeSenders()"),r.getTracks().forEach(function(t){e.removeTrack(t,r)})},n.prototype._needsNegotiation=function(){var t=this;t._debug("_needsNegotiation"),t._batchedNegotiation||(t._batchedNegotiation=!0,setTimeout(function(){t._batchedNegotiation=!1,t._debug("starting batched negotiation"),t.negotiate()},0))},n.prototype.negotiate=function(){var t=this;t.initiator?t._isNegotiating?(t._queuedNegotiation=!0,t._debug("already negotiating, queueing")):(t._debug("start negotiation"),setTimeout(()=>{t._createOffer()},0)):t._isNegotiating||(t._debug("requesting negotiation from initiator"),t.emit("signal",{renegotiate:!0})),t._isNegotiating=!0},n.prototype.destroy=function(t){this._destroy(t,function(){})},n.prototype._destroy=function(n,e){if(!this.destroyed){if(this._debug("destroy (error: %s)",n&&(n.message||n)),this.readable=this.writable=!1,this._readableState.ended||this.push(null),this._writableState.finished||this.end(),this.destroyed=!0,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(t){}this._channel.onmessage=null,this._channel.onopen=null,this._channel.onclose=null,this._channel.onerror=null}if(this._pc){try{this._pc.close()}catch(t){}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),this.emit("close"),e()}},n.prototype._setupData=function(r){var o=this;if(!r.channel)return o.destroy(d("Data channel event is missing `channel` property","ERR_DATA_CHANNEL"));o._channel=r.channel,o._channel.binaryType="arraybuffer","number"==typeof o._channel.bufferedAmountLowThreshold&&(o._channel.bufferedAmountLowThreshold=65536),o.channelName=o._channel.label,o._channel.onmessage=function(t){o._onChannelMessage(t)},o._channel.onbufferedamountlow=function(){o._onChannelBufferedAmountLow()},o._channel.onopen=function(){o._onChannelOpen()},o._channel.onclose=function(){o._onChannelClose()},o._channel.onerror=function(t){o.destroy(d(t,"ERR_DATA_CHANNEL"))};var e=!1;o._closingInterval=setInterval(function(){o._channel&&"closing"===o._channel.readyState?(e&&o._onChannelClose(),e=!0):e=!1},5e3)},n.prototype._read=function(){},n.prototype._write=function(r,e,t){if(this.destroyed)return t(d("cannot write after peer is destroyed","ERR_DATA_CHANNEL"));if(this._connected){try{this.send(r)}catch(e){return this.destroy(d(e,"ERR_DATA_CHANNEL"))}65536<this._channel.bufferedAmount?(this._debug("start backpressure: bufferedAmount %d",this._channel.bufferedAmount),this._cb=t):t(null)}else this._debug("write before connect"),this._chunk=r,this._cb=t},n.prototype._onFinish=function(){function n(){setTimeout(function(){t.destroy()},1e3)}var t=this;t.destroyed||(t._connected?n():t.once("connect",n))},n.prototype._startIceCompleteTimeout=function(){var t=this;t.destroyed||t._iceCompleteTimer||(t._debug("started iceComplete timeout"),t._iceCompleteTimer=setTimeout(function(){t._iceComplete||(t._iceComplete=!0,t._debug("iceComplete timeout completed"),t.emit("iceTimeout"),t.emit("_iceComplete"))},t.iceCompleteTimeout))},n.prototype._createOffer=function(){var o=this;o.destroyed||o._pc.createOffer(o.offerOptions).then(function(e){function t(){if(!o.destroyed){var t=o._pc.localDescription||e;o._debug("signal"),o.emit("signal",{type:t.type,sdp:t.sdp})}}o.destroyed||(o.trickle||o.allowHalfTrickle||(e.sdp=r(e.sdp)),e.sdp=o.sdpTransform(e.sdp),o._pc.setLocalDescription(e).then(function(){o._debug("createOffer success"),o.destroyed||(o.trickle||o._iceComplete?t():o.once("_iceComplete",t))}).catch(function(e){o.destroy(d(e,"ERR_SET_LOCAL_DESCRIPTION"))}))}).catch(function(e){o.destroy(d(e,"ERR_CREATE_OFFER"))})},n.prototype._requestMissingTransceivers=function(){var n=this;n._pc.getTransceivers&&n._pc.getTransceivers().forEach(e=>{e.mid||!e.sender.track||e.requested||(e.requested=!0,n.addTransceiver(e.sender.track.kind))})},n.prototype._createAnswer=function(){var o=this;o.destroyed||o._pc.createAnswer(o.answerOptions).then(function(e){function t(){if(!o.destroyed){var t=o._pc.localDescription||e;o._debug("signal"),o.emit("signal",{type:t.type,sdp:t.sdp}),o.initiator||o._requestMissingTransceivers()}}o.destroyed||(o.trickle||o.allowHalfTrickle||(e.sdp=r(e.sdp)),e.sdp=o.sdpTransform(e.sdp),o._pc.setLocalDescription(e).then(function(){o.destroyed||(o.trickle||o._iceComplete?t():o.once("_iceComplete",t))}).catch(function(e){o.destroy(d(e,"ERR_SET_LOCAL_DESCRIPTION"))}))}).catch(function(e){o.destroy(d(e,"ERR_CREATE_ANSWER"))})},n.prototype._onIceStateChange=function(){if(!this.destroyed){var n=this._pc.iceConnectionState,e=this._pc.iceGatheringState;this._debug("iceStateChange (connection: %s) (gathering: %s)",n,e),this.emit("iceStateChange",n,e),"connected"!==n&&"completed"!==n||(this._pcReady=!0,this._maybeReady()),"failed"===n&&this.destroy(d("Ice connection failed.","ERR_ICE_CONNECTION_FAILURE")),"closed"===n&&this.destroy(d("Ice connection closed.","ERR_ICE_CONNECTION_CLOSED"))}},n.prototype.getStats=function(o){function d(n){return"[object Array]"===Object.prototype.toString.call(n.values)&&n.values.forEach(function(e){Object.assign(n,e)}),n}var e=this;0===e._pc.getStats.length?e._pc.getStats().then(function(e){var t=[];e.forEach(function(n){t.push(d(n))}),o(null,t)},function(e){o(e)}):e._isReactNativeWebrtc?e._pc.getStats(null,function(e){var t=[];e.forEach(function(n){t.push(d(n))}),o(null,t)},function(e){o(e)}):0<e._pc.getStats.length?e._pc.getStats(function(t){if(!e.destroyed){var n=[];t.result().forEach(function(r){var e={};r.names().forEach(function(t){e[t]=r.stat(t)}),e.id=r.id,e.type=r.type,e.timestamp=r.timestamp,n.push(d(e))}),o(null,n)}},function(e){o(e)}):o(null,[])},n.prototype._maybeReady=function(){var s=this;s._debug("maybeReady pc %s channel %s",s._pcReady,s._channelReady),!s._connected&&!s._connecting&&s._pcReady&&s._channelReady&&(s._connecting=!0,function e(){s.destroyed||s.getStats(function(t,n){function l(e){a=!0;var t=i[e.localCandidateId];t&&(t.ip||t.address)?(s.localAddress=t.ip||t.address,s.localPort=+t.port):t&&t.ipAddress?(s.localAddress=t.ipAddress,s.localPort=+t.portNumber):"string"==typeof e.googLocalAddress&&(t=e.googLocalAddress.split(":"),s.localAddress=t[0],s.localPort=+t[1]),s.localAddress&&(s.localFamily=s.localAddress.includes(":")?"IPv6":"IPv4");var o=u[e.remoteCandidateId];o&&(o.ip||o.address)?(s.remoteAddress=o.ip||o.address,s.remotePort=+o.port):o&&o.ipAddress?(s.remoteAddress=o.ipAddress,s.remotePort=+o.portNumber):"string"==typeof e.googRemoteAddress&&(o=e.googRemoteAddress.split(":"),s.remoteAddress=o[0],s.remotePort=+o[1]),s.remoteAddress&&(s.remoteFamily=s.remoteAddress.includes(":")?"IPv6":"IPv4"),s._debug("connect local: %s:%s remote: %s:%s",s.localAddress,s.localPort,s.remoteAddress,s.remotePort)}if(!s.destroyed){t&&(n=[]);var u={},i={},o={},a=!1;if(n.forEach(function(t){"remotecandidate"!==t.type&&"remote-candidate"!==t.type||(u[t.id]=t),"localcandidate"!==t.type&&"local-candidate"!==t.type||(i[t.id]=t),"candidatepair"!==t.type&&"candidate-pair"!==t.type||(o[t.id]=t)}),n.forEach(function(t){"transport"===t.type&&t.selectedCandidatePairId&&l(o[t.selectedCandidatePairId]),("googCandidatePair"===t.type&&"true"===t.googActiveConnection||("candidatepair"===t.type||"candidate-pair"===t.type)&&t.selected)&&l(t)}),a||Object.keys(o).length&&!Object.keys(i).length){if(s._connecting=!1,s._connected=!0,s._chunk){try{s.send(s._chunk)}catch(e){return s.destroy(d(e,"ERR_DATA_CHANNEL"))}s._chunk=null,s._debug("sent chunk from \"write before connect\"");var f=s._cb;s._cb=null,f(null)}"number"!=typeof s._channel.bufferedAmountLowThreshold&&(s._interval=setInterval(function(){s._onInterval()},150),s._interval.unref&&s._interval.unref()),s._debug("connect"),s.emit("connect")}else setTimeout(e,100)}})}())},n.prototype._onInterval=function(){this._cb&&this._channel&&!(65536<this._channel.bufferedAmount)&&this._onChannelBufferedAmountLow()},n.prototype._onSignalingStateChange=function(){var n=this;n.destroyed||("stable"!==n._pc.signalingState||n._firstStable||(n._isNegotiating=!1,n._debug("flushing sender queue",n._sendersAwaitingStable),n._sendersAwaitingStable.forEach(function(e){n._pc.removeTrack(e),n._queuedNegotiation=!0}),n._sendersAwaitingStable=[],n._queuedNegotiation&&(n._debug("flushing negotiation queue"),n._queuedNegotiation=!1,n._needsNegotiation()),n._debug("negotiate"),n.emit("negotiate")),n._firstStable=!1,n._debug("signalingStateChange %s",n._pc.signalingState),n.emit("signalingStateChange",n._pc.signalingState))},n.prototype._onIceCandidate=function(t){this.destroyed||(t.candidate&&this.trickle?this.emit("signal",{candidate:{candidate:t.candidate.candidate,sdpMLineIndex:t.candidate.sdpMLineIndex,sdpMid:t.candidate.sdpMid}}):t.candidate||this._iceComplete||(this._iceComplete=!0,this.emit("_iceComplete")),t.candidate&&this._startIceCompleteTimeout())},n.prototype._onChannelMessage=function(e){if(!this.destroyed){var t=e.data;t instanceof ArrayBuffer&&(t=o.from(t)),this.push(t)}},n.prototype._onChannelBufferedAmountLow=function(){if(!this.destroyed&&this._cb){this._debug("ending backpressure: bufferedAmount %d",this._channel.bufferedAmount);var t=this._cb;this._cb=null,t(null)}},n.prototype._onChannelOpen=function(){this._connected||this.destroyed||(this._debug("on channel open"),this._channelReady=!0,this._maybeReady())},n.prototype._onChannelClose=function(){this.destroyed||(this._debug("on channel close"),this.destroy())},n.prototype._onTrack=function(r){var e=this;e.destroyed||r.streams.forEach(function(t){e._debug("on track"),e.emit("track",r.track,t),e._remoteTracks.push({track:r.track,stream:t}),e._remoteStreams.some(function(n){return n.id===t.id})||(e._remoteStreams.push(t),setTimeout(function(){e.emit("stream",t)},0))})},n.prototype._debug=function(){var t=[].slice.call(arguments);t[0]="["+this._id+"] "+t[0],a.apply(null,t)}}).call(this,p({}).Buffer);var nd,rd=1,od=function(){rd=65535&rd+1},gr=function(o){nd||(nd=setInterval(od,250)).unref&&nd.unref();var d=4*(o||5),t=[0],n=1,l=65535&rd-1;return function(r){var e=65535&rd-l;for(e>d&&(e=d),l=rd;e--;)n==d&&(n=0),t[n]=t[0==n?d-1:n-1],n++;r&&(t[n-1]+=r);var i=t[n-1],o=t.length<d?0:t[n==d?0:n];return 4>t.length?i:4*(i-o)/t.length}},mr={};const dd=/^\[?([^\]]+)\]?:(\d+)$/;let yr={},ad=0;(mr=function(n){if(1e5==ad&&mr.reset(),!yr[n]){const e=dd.exec(n);if(!e)throw new Error(`invalid addr: ${n}`);yr[n]=[e[1],+e[2]],ad+=1}return yr[n]}).reset=function(){yr={},ad=0};var id={exports:{}};id.exports=class{constructor(r=0,e){const t=null!=e&&e.grow;this.grow=t&&isFinite(t)&&Dn(t)||t||0,this.buffer="number"==typeof r?new Uint8Array(Dn(r)):r}get(n){const e=n>>3;return e<this.buffer.length&&!!(this.buffer[e]&128>>n%8)}set(r,e=!0){const t=r>>3;if(e){if(this.buffer.length<t+1){const n=to(t+1,ao(2*this.buffer.length,this.grow));if(n<=this.grow){const e=new Uint8Array(n);e.set(this.buffer),this.buffer=e}}this.buffer[t]|=128>>r%8}else t<this.buffer.length&&(this.buffer[t]&=~(128>>r%8))}},id=id.exports;var sd=class extends st.Writable{constructor(o,e,d={}){if(super(d),!o||!o.put||!o.get)throw new Error("First argument must be an abstract-chunk-store compliant store");if(!(e=+e))throw new Error("Second argument must be a chunk length");this._blockstream=new Io(e,{zeroPadding:!1}),this._outstandingPuts=0;let n=0;this._blockstream.on("data",e=>{this.destroyed||(this._outstandingPuts+=1,o.put(n,e,()=>{this._outstandingPuts-=1,0===this._outstandingPuts&&"function"==typeof this._finalCb&&(this._finalCb(null),this._finalCb=null)}),n+=1)}).on("error",t=>{this.destroy(t)})}_write(r,e,t){this._blockstream.write(r,e,t)}_final(t){this._blockstream.end(),this._blockstream.once("end",()=>{0===this._outstandingPuts?t(null):this._finalCb=t})}destroy(t){this.destroyed||(this.destroyed=!0,t&&this.emit("error",t),this.emit("close"))}},kr={};(function(n){kr.DEFAULT_ANNOUNCE_PEERS=50,kr.binaryToHex=function(e){return"string"!=typeof e&&(e=e+""),n.from(e,"binary").toString("hex")},kr.hexToBinary=function(e){return"string"!=typeof e&&(e=e+""),n.from(e,"hex").toString("binary")},Object.assign(kr,oe)}).call(this,p({}).Buffer);var Sr={};(function(o,d){const t=jo("simple-websocket"),e=WebSocket,r=65536;class n extends st.Duplex{constructor(n={}){if("string"==typeof n&&(n={url:n}),super(n=Object.assign({allowHalfOpen:!1},n)),null==n.url&&null==n.socket)throw new Error("Missing required `url` or `socket` option");if(null!=n.url&&null!=n.socket)throw new Error("Must specify either `url` or `socket` option, not both");if(this._id=ur(4).toString("hex").slice(0,7),this._debug("new websocket: %o",n),this.connected=!1,this.destroyed=!1,this._chunk=null,this._cb=null,this._interval=null,n.socket)this.url=n.socket.url,this._ws=n.socket;else{this.url=n.url;try{this._ws=new e(n.url)}catch(e){return void o.nextTick(()=>this.destroy(e))}}this._ws.binaryType="arraybuffer",this._ws.onopen=()=>{this._onOpen()},this._ws.onmessage=t=>{this._onMessage(t)},this._ws.onclose=()=>{this._onClose()},this._ws.onerror=()=>{this.destroy(new Error("connection error to "+this.url))},this._onFinishBound=()=>{this._onFinish()},this.once("finish",this._onFinishBound)}send(t){this._ws.send(t)}destroy(t){this._destroy(t,()=>{})}_destroy(n,r){if(!this.destroyed){if(this._debug("destroy (error: %s)",n&&(n.message||n)),this.readable=this.writable=!1,this._readableState.ended||this.push(null),this._writableState.finished||this.end(),this.connected=!1,this.destroyed=!0,clearInterval(this._interval),this._interval=null,this._chunk=null,this._cb=null,this._onFinishBound&&this.removeListener("finish",this._onFinishBound),this._onFinishBound=null,this._ws){const r=this._ws,t=()=>{r.onclose=null};if(r.readyState===e.CLOSED)t();else try{r.onclose=t,r.close()}catch(n){t()}r.onopen=null,r.onmessage=null,r.onerror=()=>{}}if(this._ws=null,n){if("undefined"!=typeof DOMException&&n instanceof DOMException){const e=n.code;(n=new Error(n.message)).code=e}this.emit("error",n)}this.emit("close"),r()}}_read(){}_write(o,e,t){if(this.destroyed)return t(new Error("cannot write after socket is destroyed"));if(this.connected){try{this.send(o)}catch(e){return this.destroy(e)}this._ws.bufferedAmount>r?(this._debug("start backpressure: bufferedAmount %d",this._ws.bufferedAmount),this._cb=t):t(null)}else this._debug("write before connect"),this._chunk=o,this._cb=t}_onFinish(){if(!this.destroyed){const t=()=>{setTimeout(()=>this.destroy(),1e3)};this.connected?t():this.once("connect",t)}}_onMessage(t){if(this.destroyed)return;let e=t.data;e instanceof ArrayBuffer&&(e=d.from(e)),this.push(e)}_onOpen(){if(!this.connected&&!this.destroyed){if(this.connected=!0,this._chunk){try{this.send(this._chunk)}catch(e){return this.destroy(e)}this._chunk=null,this._debug("sent chunk from \"write before connect\"");const t=this._cb;this._cb=null,t(null)}this._interval=setInterval(()=>this._onInterval(),150),this._interval.unref&&this._interval.unref(),this._debug("connect"),this.emit("connect")}}_onInterval(){if(this._cb&&this._ws&&!(this._ws.bufferedAmount>r)){this._debug("ending backpressure: bufferedAmount %d",this._ws.bufferedAmount);const t=this._cb;this._cb=null,t(null)}}_onClose(){this.destroyed||(this._debug("on close"),this.destroy())}_debug(){const n=[].slice.call(arguments);n[0]="["+this._id+"] "+n[0],t.apply(null,n)}}n.WEBSOCKET_SUPPORT=!!e,Sr=n}).call(this,pe,p({}).Buffer);var ld=class extends m{constructor(n,e){super(),this.client=n,this.announceUrl=e,this.interval=null,this.destroyed=!1}setInterval(t){null==t&&(t=this.DEFAULT_ANNOUNCE_INTERVAL),clearInterval(this.interval),t&&(this.interval=setInterval(()=>{this.announce(this.client._defaultAnnounceOpts())},t),this.interval.unref&&this.interval.unref())}},xr={};const cd=jo("bittorrent-tracker:websocket-tracker"),Ar={};class Ir extends ld{constructor(r,e,t){super(r,e),cd("new websocket tracker %s",e),this.peers={},this.socket=null,this.reconnecting=!1,this.retries=0,this.reconnectTimer=null,this.expectingResponse=!1,this._openSocket()}announce(r){if(this.destroyed||this.reconnecting)return;if(!this.socket.connected)return void this.socket.once("connect",()=>{this.announce(r)});const o=Object.assign({},r,{action:"announce",info_hash:this.client._infoHashBinary,peer_id:this.client._peerIdBinary});if(this._trackerId&&(o.trackerid=this._trackerId),"stopped"===r.event||"completed"===r.event)this._send(o);else{const t=ao(r.numwant,10);this._generateOffers(t,n=>{o.numwant=t,o.offers=n,this._send(o)})}}scrape(n){if(!(this.destroyed||this.reconnecting)){if(!this.socket.connected)return void this.socket.once("connect",()=>{this.scrape(n)});const e={action:"scrape",info_hash:Array.isArray(n.infoHash)&&0<n.infoHash.length?n.infoHash.map(t=>t.toString("binary")):n.infoHash&&n.infoHash.toString("binary")||this.client._infoHashBinary};this._send(e)}}destroy(o=Zn){function e(){d&&(clearTimeout(d),d=null),r.removeListener("data",e),r.destroy(),r=null}if(this.destroyed)return o(null);for(const t in this.destroyed=!0,clearInterval(this.interval),clearTimeout(this.reconnectTimer),this.peers){const n=this.peers[t];clearTimeout(n.trackerTimeout),n.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,Ar[this.announceUrl]&&(Ar[this.announceUrl].consumers-=1),0<Ar[this.announceUrl].consumers)return o();let r=Ar[this.announceUrl];if(delete Ar[this.announceUrl],r.on("error",Zn),r.once("close",o),!this.expectingResponse)return e();var d=setTimeout(e,kr.DESTROY_TIMEOUT);r.once("data",e)}_openSocket(){this.destroyed=!1,this.peers||(this.peers={}),this._onSocketConnectBound=()=>{this._onSocketConnect()},this._onSocketErrorBound=t=>{this._onSocketError(t)},this._onSocketDataBound=t=>{this._onSocketData(t)},this._onSocketCloseBound=()=>{this._onSocketClose()},this.socket=Ar[this.announceUrl],this.socket?Ar[this.announceUrl].consumers+=1:(this.socket=Ar[this.announceUrl]=new Sr(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(t){if(!this.destroyed){this.expectingResponse=!1;try{t=JSON.parse(t)}catch(e){return void this.client.emit("warning",new Error("Invalid tracker response"))}"announce"===t.action?this._onAnnounceResponse(t):"scrape"===t.action?this._onScrapeResponse(t):this._onSocketError(new Error(`invalid action in WS response: ${t.action}`))}}_onAnnounceResponse(o){if(o.info_hash!==this.client._infoHashBinary)return void cd("ignoring websocket data from %s for %s (looking for %s: reused socket)",this.announceUrl,kr.binaryToHex(o.info_hash),this.client.infoHash);if(o.peer_id&&o.peer_id===this.client._peerIdBinary)return;cd("received %s from %s for %s",JSON.stringify(o),this.announceUrl,this.client.infoHash);const e=o["failure reason"];if(e)return this.client.emit("warning",new Error(e));const t=o["warning message"];t&&this.client.emit("warning",new Error(t));const n=o.interval||o["min interval"];n&&this.setInterval(1e3*n);const r=o["tracker id"];if(r&&(this._trackerId=r),null!=o.complete){const e=Object.assign({},o,{announce:this.announceUrl,infoHash:kr.binaryToHex(o.info_hash)});this.client.emit("update",e)}let d;if(o.offer&&o.peer_id&&(cd("creating peer (from remote offer)"),(d=this._createPeer()).id=kr.binaryToHex(o.peer_id),d.once("signal",e=>{const t={action:"announce",info_hash:this.client._infoHashBinary,peer_id:this.client._peerIdBinary,to_peer_id:o.peer_id,answer:e,offer_id:o.offer_id};this._trackerId&&(t.trackerid=this._trackerId),this._send(t)}),d.signal(o.offer),this.client.emit("peer",d)),o.answer&&o.peer_id){const e=kr.binaryToHex(o.offer_id);(d=this.peers[e])?(d.id=kr.binaryToHex(o.peer_id),d.signal(o.answer),this.client.emit("peer",d),clearTimeout(d.trackerTimeout),d.trackerTimeout=null,delete this.peers[e]):cd(`got unexpected answer: ${JSON.stringify(o.answer)}`)}}_onScrapeResponse(r){r=r.files||{};const n=Object.keys(r);0===n.length?this.client.emit("warning",new Error("invalid scrape response")):n.forEach(e=>{const t=Object.assign(r[e],{announce:this.announceUrl,infoHash:kr.binaryToHex(e)});this.client.emit("scrape",t)})}_onSocketClose(){this.destroyed||(this.destroy(),this._startReconnectTimer())}_onSocketError(t){this.destroyed||(this.destroy(),this.client.emit("warning",t),this._startReconnectTimer())}_startReconnectTimer(){const t=io(Math.random()*12e4)+ao(no(2,this.retries)*1e4,18e5);this.reconnecting=!0,clearTimeout(this.reconnectTimer),this.reconnectTimer=setTimeout(()=>{this.retries++,this._openSocket()},t),this.reconnectTimer.unref&&this.reconnectTimer.unref(),cd("reconnecting socket in %s ms",t)}_send(n){if(!this.destroyed){this.expectingResponse=!0;const e=JSON.stringify(n);cd("send %s",e),this.socket.send(e)}}_generateOffers(d,e){function t(){const r=ur(20).toString("hex");cd("creating peer (from _generateOffers)");const e=a.peers[r]=a._createPeer({initiator:!0});e.once("signal",e=>{n.push({offer:e,offer_id:kr.hexToBinary(r)}),o()}),e.trackerTimeout=setTimeout(()=>{cd("tracker timeout: destroying peer"),e.trackerTimeout=null,delete a.peers[r],e.destroy()},5e4),e.trackerTimeout.unref&&e.trackerTimeout.unref()}function o(){n.length===d&&(cd("generated %s offers",d),e(n))}const a=this,n=[];cd("generating %s offers",d);for(let n=0;n<d;++n)t();o()}_createPeer(o){function d(n){r.client.emit("warning",new Error(`Connection error: ${n.message}`)),t.destroy()}const r=this;o=Object.assign({trickle:!1,config:r.client._rtcConfig,wrtc:r.client._wrtc},o);const t=new td(o);return t.once("error",d),t.once("connect",function n(){t.removeListener("error",d),t.removeListener("connect",n)}),t}}Ir.prototype.DEFAULT_ANNOUNCE_INTERVAL=3e4,Ir._socketPool=Ar,xr=Ir;var Or={};(function(d,l){const a=jo("bittorrent-tracker:client");class t extends m{constructor(e={}){if(super(),!e.peerId)throw new Error("Option `peerId` is required");if(!e.infoHash)throw new Error("Option `infoHash` is required");if(!e.announce)throw new Error("Option `announce` is required");if(!d.browser&&!e.port)throw new Error("Option `port` is required");this.peerId="string"==typeof e.peerId?e.peerId:e.peerId.toString("hex"),this._peerIdBuffer=l.from(this.peerId,"hex"),this._peerIdBinary=this._peerIdBuffer.toString("binary"),this.infoHash="string"==typeof e.infoHash?e.infoHash.toLowerCase():e.infoHash.toString("hex"),this._infoHashBuffer=l.from(this.infoHash,"hex"),this._infoHashBinary=this._infoHashBuffer.toString("binary"),a("new client %s",this.infoHash),this.destroyed=!1,this._port=e.port,this._getAnnounceOpts=e.getAnnounceOpts,this._rtcConfig=e.rtcConfig,this._userAgent=e.userAgent,this._wrtc="function"==typeof e.wrtc?e.wrtc():e.wrtc;let t="string"==typeof e.announce?[e.announce]:null==e.announce?[]:e.announce;t=t.map(t=>("/"===(t=t.toString())[t.length-1]&&(t=t.substring(0,t.length-1)),t)),t=or(t);const c=!1!==this._wrtc&&(!!this._wrtc||td.WEBRTC_SUPPORT),s=e=>{d.nextTick(()=>{this.emit("warning",e)})};this._trackers=t.map(o=>{let e;try{e=new URL(o)}catch(e){return s(new Error(`Invalid tracker URL: ${o}`)),null}const d=e.port;if(0>d||65535<d)return s(new Error(`Invalid tracker port: ${o}`)),null;const n=e.protocol;return"http:"!==n&&"https:"!==n||!0?"udp:"===n&&!1?new oe(this,o):("ws:"===n||"wss:"===n)&&c?"ws:"===n&&"undefined"!=typeof window&&"https:"===window.location.protocol?(s(new Error(`Unsupported tracker protocol: ${o}`)),null):new xr(this,o):(s(new Error(`Unsupported tracker protocol: ${o}`)),null):new oe(this,o)}).filter(Boolean)}start(t){a("send `start`"),(t=this._defaultAnnounceOpts(t)).event="started",this._announce(t),this._trackers.forEach(t=>{t.setInterval()})}stop(t){a("send `stop`"),(t=this._defaultAnnounceOpts(t)).event="stopped",this._announce(t)}complete(t){a("send `complete`"),t||(t={}),(t=this._defaultAnnounceOpts(t)).event="completed",this._announce(t)}update(t){a("send `update`"),(t=this._defaultAnnounceOpts(t)).event&&delete t.event,this._announce(t)}_announce(n){this._trackers.forEach(e=>{e.announce(n)})}scrape(n){a("send `scrape`"),n||(n={}),this._trackers.forEach(e=>{e.scrape(n)})}setInterval(n){a("setInterval %d",n),this._trackers.forEach(e=>{e.setInterval(n)})}destroy(n){if(!this.destroyed){this.destroyed=!0,a("destroy");const e=this._trackers.map(n=>e=>{n.destroy(e)});Oo(e,n),this._trackers=[],this._getAnnounceOpts=null}}_defaultAnnounceOpts(t={}){return null==t.numwant&&(t.numwant=kr.DEFAULT_ANNOUNCE_PEERS),null==t.uploaded&&(t.uploaded=0),null==t.downloaded&&(t.downloaded=0),this._getAnnounceOpts&&(t=Object.assign({},t,this._getAnnounceOpts())),t}}t.scrape=(r,d)=>{if(d=Ot(d),!r.infoHash)throw new Error("Option `infoHash` is required");if(!r.announce)throw new Error("Option `announce` is required");const e=Object.assign({},r,{infoHash:Array.isArray(r.infoHash)?r.infoHash[0]:r.infoHash,peerId:l.from("01234567890123456789"),port:6881}),i=new t(e);i.once("error",d),i.once("warning",d);let s=Array.isArray(r.infoHash)?r.infoHash.length:1;const c={};return i.on("scrape",t=>{if(s-=1,c[t.infoHash]=t,0===s){i.destroy();const t=Object.keys(c);1===t.length?d(null,c[t[0]]):d(null,c)}}),r.infoHash=Array.isArray(r.infoHash)?r.infoHash.map(t=>l.from(t,"hex")):l.from(r.infoHash,"hex"),i.scrape({infoHash:r.infoHash}),i},Or=t}).call(this,pe,p({}).Buffer);var ud={};(function(r){const o=jo("torrent-discovery"),e=m.EventEmitter;ud=class extends e{constructor(e){if(super(),!e.peerId)throw new Error("Option `peerId` is required");if(!e.infoHash)throw new Error("Option `infoHash` is required");if(!r.browser&&!e.port)throw new Error("Option `port` is required");this.peerId="string"==typeof e.peerId?e.peerId:e.peerId.toString("hex"),this.infoHash="string"==typeof e.infoHash?e.infoHash.toLowerCase():e.infoHash.toString("hex"),this._port=e.port,this._userAgent=e.userAgent,this.destroyed=!1,this._announce=e.announce||[],this._intervalMs=e.intervalMs||9e5,this._trackerOpts=null,this._dhtAnnouncing=!1,this._dhtTimeout=!1,this._internalDHT=!1,this._onWarning=t=>{this.emit("warning",t)},this._onError=t=>{this.emit("error",t)},this._onDHTPeer=(n,e)=>{e.toString("hex")===this.infoHash&&this.emit("peer",`${n.host}:${n.port}`,"dht")},this._onTrackerPeer=t=>{this.emit("peer",t,"tracker")},this._onTrackerAnnounce=()=>{this.emit("trackerAnnounce")};const t=(r,e)=>{const t=new oe(e);return t.on("warning",this._onWarning),t.on("error",this._onError),t.listen(r),this._internalDHT=!0,t};!1===e.tracker?this.tracker=null:e.tracker&&"object"==typeof e.tracker?(this._trackerOpts=Object.assign({},e.tracker),this.tracker=this._createTracker()):this.tracker=this._createTracker(),this.dht=!1!==e.dht&&0?e.dht&&"function"==typeof e.dht.addNode?e.dht:e.dht&&"object"==typeof e.dht?t(e.dhtPort,e.dht):t(e.dhtPort):null,this.dht&&(this.dht.on("peer",this._onDHTPeer),this._dhtAnnounce())}updatePort(t){t!==this._port&&(this._port=t,this.dht&&this._dhtAnnounce(),this.tracker&&(this.tracker.stop(),this.tracker.destroy(()=>{this.tracker=this._createTracker()})))}complete(t){this.tracker&&this.tracker.complete(t)}destroy(n){if(!this.destroyed){this.destroyed=!0,clearTimeout(this._dhtTimeout);const e=[];this.tracker&&(this.tracker.stop(),this.tracker.removeListener("warning",this._onWarning),this.tracker.removeListener("error",this._onError),this.tracker.removeListener("peer",this._onTrackerPeer),this.tracker.removeListener("update",this._onTrackerAnnounce),e.push(t=>{this.tracker.destroy(t)})),this.dht&&this.dht.removeListener("peer",this._onDHTPeer),this._internalDHT&&(this.dht.removeListener("warning",this._onWarning),this.dht.removeListener("error",this._onError),e.push(t=>{this.dht.destroy(t)})),Oo(e,n),this.dht=null,this.tracker=null,this._announce=null}}_createTracker(){const n=Object.assign({},this._trackerOpts,{infoHash:this.infoHash,announce:this._announce,peerId:this.peerId,port:this._port,userAgent:this._userAgent}),e=new Or(n);return e.on("warning",this._onWarning),e.on("error",this._onError),e.on("peer",this._onTrackerPeer),e.on("update",this._onTrackerAnnounce),e.setInterval(this._intervalMs),e.start(),e}_dhtAnnounce(){this._dhtAnnouncing||(o("dht announce"),this._dhtAnnouncing=!0,clearTimeout(this._dhtTimeout),this.dht.announce(this.infoHash,this._port,t=>{this._dhtAnnouncing=!1,o("dht announce complete"),t&&this.emit("warning",t),this.emit("dhtAnnounce"),this.destroyed||(this._dhtTimeout=setTimeout(()=>{this._dhtAnnounce()},this._intervalMs+io(Math.random()*this._intervalMs/5)),this._dhtTimeout.unref&&this._dhtTimeout.unref())}))}}}).call(this,pe);var fd={};(function(o){function r(t,e){if(!(this instanceof r))return new r(t,e);if(e||(e={}),this.chunkLength=+t,!this.chunkLength)throw new Error("First argument must be a chunk length");this.chunks=[],this.closed=!1,this.length=+e.length||1/0,this.length!==1/0&&(this.lastChunkLength=this.length%this.chunkLength||this.chunkLength,this.lastChunkIndex=eo(this.length/this.chunkLength)-1)}function d(e,t,n){o.nextTick(function(){e&&e(t,n)})}fd=r,r.prototype.put=function(n,e,t){if(this.closed)return d(t,new Error("Storage is closed"));var r=n===this.lastChunkIndex;return r&&e.length!==this.lastChunkLength?d(t,new Error("Last chunk length must be "+this.lastChunkLength)):r||e.length===this.chunkLength?(this.chunks[n]=e,void d(t,null)):d(t,new Error("Chunk length must be "+this.chunkLength))},r.prototype.get=function(n,e,t){if("function"==typeof e)return this.get(n,null,e);if(this.closed)return d(t,new Error("Storage is closed"));var r=this.chunks[n];if(!r){var i=new Error("Chunk not found");return i.notFound=!0,d(t,i)}if(!e)return d(t,null,r);var s=e.offset||0,o=e.length||r.length-s;d(t,null,r.slice(s,o+s))},r.prototype.close=r.prototype.destroy=function(t){return this.closed?d(t,new Error("Storage is closed")):void(this.closed=!0,this.chunks=null,d(t,null))}}).call(this,pe);var pd={};(function(o){pd=class{constructor(t){if(this.store=t,this.chunkLength=t.chunkLength,!this.store||!this.store.get||!this.store.put)throw new Error("First argument must be abstract-chunk-store 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st.Writable{constructor(t){super(t),this.destroyed=!1,this._pending=0,this._missing=0,this._ignoreEmpty=!1,this._buf=null,this._str=null,this._cb=null,this._ondrain=null,this._writeBuffer=null,this._writeCb=null,this._ondrain=null,this._kick()}destroy(t){this.destroyed||(this.destroyed=!0,t&&this.emit("error",t),this.emit("close"))}_write(r,d,l){if(!this.destroyed){for(var n=!this._str||!this._str._writableState.needDrain;r.length&&!this.destroyed;){if(!this._missing&&!this._ignoreEmpty)return this._writeBuffer=r,void(this._writeCb=l);var c=r.length<this._missing?r.length:this._missing;if(this._buf?r.copy(this._buf,this._buf.length-this._missing):this._str&&(n=this._str.write(c===r.length?r:r.slice(0,c))),this._missing-=c,!this._missing){var s=this._buf,o=this._cb,a=this._str;this._buf=this._cb=this._str=this._ondrain=null,n=!0,this._ignoreEmpty=!1,a&&a.end(),o&&o(s)}r=c===r.length?t:r.slice(c)}if(this._pending&&!this._missing)return 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st.Readable{constructor(t){super(t),this.destroyed=!1,this._finalized=!1,this._reading=!1,this._stream=null,this._drain=null,this._want=!1,this._onreadable=()=>{this._want&&(this._want=!1,this._read())},this._onend=()=>{this._stream=null}}mdat(n,e){this.mediaData(n,e)}mediaData(o,e){var t=new r(this);return this.box({type:"mdat",contentLength:o,encodeBufferLen:8,stream:t},e),t}box(r,t){if(t||(t=n),this.destroyed)return t(new Error("Encoder is destroyed"));var i;if(r.encodeBufferLen&&(i=e.alloc(r.encodeBufferLen)),r.stream)r.buffer=null,i=a.encode(r,i),this.push(i),this._stream=r.stream,this._stream.on("readable",this._onreadable),this._stream.on("end",this._onend),this._stream.on("end",t),this._forward();else{if(i=a.encode(r,i),this.push(i))return d.nextTick(t);this._drain=t}}destroy(n){if(!this.destroyed){if(this.destroyed=!0,this._stream&&this._stream.destroy&&this._stream.destroy(),this._stream=null,this._drain){var 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t=r.traks;this._tracks=[],this._hasVideo=!1,this._hasAudio=!1;for(let i=0;i<t.length;i++){const e=t[i],s=e.mdia.minf.stbl,n=s.stsd.entries[0],o=e.mdia.hdlr.handlerType;let a,c;if("vide"===o&&"avc1"===n.type){if(this._hasVideo)continue;this._hasVideo=!0,a="avc1",n.avcC&&(a+=`.${n.avcC.mimeCodec}`),c=`video/mp4; codecs="${a}"`}else{if("soun"!==o||"mp4a"!==n.type)continue;if(this._hasAudio)continue;this._hasAudio=!0,a="mp4a",n.esds&&n.esds.mimeCodec&&(a+=`.${n.esds.mimeCodec}`),c=`audio/mp4; codecs="${a}"`}const u=[];let d=0,l=0,f=0,p=0,h=0,g=0;const m=new w(s.stts.entries);let _=null;s.ctts&&(_=new w(s.ctts.entries));for(let o=0;;){var S=s.stsc.entries[h];const a=s.stsz.entries[d],e=m.value.duration,t=_?_.value.compositionOffset:0;let n=!0;s.stss&&(n=s.stss.entries[o]===d+1);const r=s.stco||s.co64;if(u.push({size:a,duration:e,dts:g,presentationOffset:t,sync:n,offset:p+r.entries[f]}),++d>=s.stsz.entries.length)break;if(p+=a,++l>=S.samplesPerChunk){l=0,p=0,f++;const t=s.stsc.entries[h+1];t&&f+1>=t.firstChunk&&h++}g+=e,m.inc(),_&&_.inc(),n&&o++}e.mdia.mdhd.duration=0,e.tkhd.duration=0;const b=S.sampleDescriptionId,y={type:"moov",mvhd:r.mvhd,traks:[{tkhd:e.tkhd,mdia:{mdhd:e.mdia.mdhd,hdlr:e.mdia.hdlr,elng:e.mdia.elng,minf:{vmhd:e.mdia.minf.vmhd,smhd:e.mdia.minf.smhd,dinf:e.mdia.minf.dinf,stbl:{stsd:s.stsd,stts:{version:0,flags:0,entries:[]},ctts:{version:0,flags:0,entries:[]},stsc:{version:0,flags:0,entries:[]},stsz:{version:0,flags:0,entries:[]},stco:{version:0,flags:0,entries:[]},stss:{version:0,flags:0,entries:[]}}}}}],mvex:{mehd:{fragmentDuration:r.mvhd.duration},trexs:[{trackId:e.tkhd.trackId,defaultSampleDescriptionIndex:b,defaultSampleDuration:0,defaultSampleSize:0,defaultSampleFlags:0}]}};this._tracks.push({fragmentSequence:1,trackId:e.tkhd.trackId,timeScale:e.mdia.mdhd.timeScale,samples:u,currSample:null,currTime:null,moov:y,mime:c})}if(0===this._tracks.length)return void this.emit("error",new Error("no playable tracks"));r.mvhd.duration=0,this._ftyp={type:"ftyp",brand:"iso5",brandVersion:0,compatibleBrands:["iso5"]};const e=l.encode(this._ftyp),n=this._tracks.map(n=>{const t=l.encode(n.moov);return{mime:n.mime,init:d.concat([e,t])}});this.emit("ready",n)}seek(d){if(!this._tracks)throw new Error("Not ready yet; wait for 'ready' event");this._fileStream&&(this._fileStream.destroy(),this._fileStream=null);let a=-1;if(this._tracks.map((l,e)=>{l.outStream&&l.outStream.destroy(),l.inStream&&(l.inStream.destroy(),l.inStream=null);const n=l.outStream=Id.encode(),t=this._generateFragment(e,d);if(!t)return n.finalize();(-1===a||t.ranges[0].start<a)&&(a=t.ranges[0].start);const r=o=>{n.destroyed||n.box(o.moof,d=>d?this.emit("error",d):void(n.destroyed||l.inStream.slice(o.ranges).pipe(n.mediaData(o.length,t=>{if(t)return this.emit("error",t);if(!n.destroyed){const o=this._generateFragment(e);return o?void r(o):n.finalize()}}))))};r(t)}),0<=a){const t=this._fileStream=this._file.createReadStream({start:a});this._tracks.forEach(e=>{e.inStream=new Ud(a,{highWaterMark:1e7}),t.pipe(e.inStream)})}return this._tracks.map(t=>t.outStream)}_findSampleBefore(o,e){const t=this._tracks[o],n=io(t.timeScale*e);let r=function(d,e,t,n,a){var l,c;if(void 0===n)n=0;else if(0>(n|=0)||n>=d.length)throw new RangeError("invalid lower bound");if(void 0===a)a=d.length-1;else if((a|=0)<n||a>=d.length)throw new RangeError("invalid upper bound");for(;n<=a;)if(0>(c=+t(d[l=n+(a-n>>>1)],e,l,d)))n=l+1;else{if(!(0<c))return l;a=l-1}return~n}(t.samples,n,(n,e)=>n.dts+n.presentationOffset-e);for(-1===r?r=0:0>r&&(r=-r-2);!t.samples[r].sync;)r--;return r}_generateFragment(d,e){const l=this._tracks[d];let t;if((t=void 0===e?l.currSample:this._findSampleBefore(d,e))>=l.samples.length)return null;const n=l.samples[t].dts;let i=0;const c=[];for(var o=t;o<l.samples.length;o++){const r=l.samples[o];if(r.sync&&r.dts-n>=1*l.timeScale)break;i+=r.size;const e=c.length-1;0>e||c[e].end!==r.offset?c.push({start:r.offset,end:r.offset+r.size}):c[e].end+=r.size}return l.currSample=o,{moof:this._generateMoof(d,t,o),ranges:c,length:i}}_generateMoof(n,e,t){const r=this._tracks[n],d=[];let i=0;for(let o=e;o<t;o++){const t=r.samples[o];0>t.presentationOffset&&(i=1),d.push({sampleDuration:t.duration,sampleSize:t.size,sampleFlags:t.sync?33554432:16842752,sampleCompositionTimeOffset:t.presentationOffset})}const s={type:"moof",mfhd:{sequenceNumber:r.fragmentSequence++},trafs:[{tfhd:{flags:131072,trackId:r.trackId},tfdt:{baseMediaDecodeTime:r.samples[e].dts},trun:{flags:3841,dataOffset:8,entries:d,version:i}}]};return s.trafs[0].trun.dataOffset+=l.encodingLength(s),s}}}).call(this,p({}).Buffer);var Md={};Ur.prototype={_createMuxer(){this._muxer=new Pd(this._file),this._muxer.on("ready",t=>{this._tracks=t.map(r=>{const e=this._elemWrapper.createWriteStream(r.mime);e.on("error",t=>{this._elemWrapper.error(t)});const t={muxed:null,mediaSource:e,initFlushed:!1,onInitFlushed:null};return e.write(r.init,n=>{t.initFlushed=!0,t.onInitFlushed&&t.onInitFlushed(n)}),t}),(this._waitingFired||"auto"===this._elem.preload)&&this._pump()}),this._muxer.on("error",t=>{this._elemWrapper.error(t)})},_pump(){const r=this._muxer.seek(this._elem.currentTime,!this._tracks);this._tracks.forEach((e,t)=>{const n=()=>{e.muxed&&(e.muxed.destroy(),e.mediaSource=this._elemWrapper.createWriteStream(e.mediaSource),e.mediaSource.on("error",t=>{this._elemWrapper.error(t)})),e.muxed=r[t],Yr(e.muxed,e.mediaSource)};e.initFlushed?n():e.onInitFlushed=t=>{t?this._elemWrapper.error(t):n()}})},destroy(){this.destroyed||(this.destroyed=!0,this._elem.removeEventListener("waiting",this._onWaiting),this._elem.removeEventListener("error",this._onError),this._tracks&&this._tracks.forEach(t=>{t.muxed&&t.muxed.destroy()}),this._elem.src="")}},Md=Ur;var Od={render:function(o,e,d,a){"function"==typeof d&&(a=d,d={}),d||(d={}),a||(a=function(){}),Fr(o),Wr(d),"string"==typeof e&&(e=document.querySelector(e)),Mr(o,function(t){if(e.nodeName!==t.toUpperCase()){var n=pt.extname(o.name).toLowerCase();throw new Error("Cannot render \""+n+"\" inside a \""+e.nodeName.toLowerCase()+"\" element, expected \""+t+"\"")}return e},d,a)},append:function(o,d,a,s){function l(t){var e=document.createElement(t);return d.appendChild(e),e}if("function"==typeof a&&(s=a,a={}),a||(a={}),s||(s=function(){}),Fr(o),Wr(a),"string"==typeof d&&(d=document.querySelector(d)),d&&("VIDEO"===d.nodeName||"AUDIO"===d.nodeName))throw new Error("Invalid video/audio node argument. Argument must be root element that video/audio tag will be appended to.");Mr(o,function(t){return"video"===t||"audio"===t?function(t){var e=l(t);return a.autoplay&&(e.autoplay=!0),a.muted&&(e.muted=!0),a.controls&&(e.controls=!0),d.appendChild(e),e}(t):l(t)},a,function(n,e){n&&e&&e.remove(),s(n,e)})},mime:{".3gp":"video/3gpp",".aac":"audio/aac",".aif":"audio/x-aiff",".aiff":"audio/x-aiff",".atom":"application/atom+xml",".avi":"video/x-msvideo",".bmp":"image/bmp",".bz2":"application/x-bzip2",".conf":"text/plain",".css":"text/css",".csv":"text/plain",".diff":"text/x-diff",".doc":"application/msword",".flv":"video/x-flv",".gif":"image/gif",".gz":"application/x-gzip",".htm":"text/html",".html":"text/html",".ico":"image/vnd.microsoft.icon",".ics":"text/calendar",".iso":"application/octet-stream",".jar":"application/java-archive",".jpeg":"image/jpeg",".jpg":"image/jpeg",".js":"application/javascript",".json":"application/json",".less":"text/css",".log":"text/plain",".m3u":"audio/x-mpegurl",".m4a":"audio/x-m4a",".m4b":"audio/mp4",".m4p":"audio/mp4",".m4v":"video/x-m4v",".manifest":"text/cache-manifest",".markdown":"text/x-markdown",".mathml":"application/mathml+xml",".md":"text/x-markdown",".mid":"audio/midi",".midi":"audio/midi",".mov":"video/quicktime",".mp3":"audio/mpeg",".mp4":"video/mp4",".mp4v":"video/mp4",".mpeg":"video/mpeg",".mpg":"video/mpeg",".odp":"application/vnd.oasis.opendocument.presentation",".ods":"application/vnd.oasis.opendocument.spreadsheet",".odt":"application/vnd.oasis.opendocument.text",".oga":"audio/ogg",".ogg":"application/ogg",".pdf":"application/pdf",".png":"image/png",".pps":"application/vnd.ms-powerpoint",".ppt":"application/vnd.ms-powerpoint",".ps":"application/postscript",".psd":"image/vnd.adobe.photoshop",".qt":"video/quicktime",".rar":"application/x-rar-compressed",".rdf":"application/rdf+xml",".rss":"application/rss+xml",".rtf":"application/rtf",".svg":"image/svg+xml",".svgz":"image/svg+xml",".swf":"application/x-shockwave-flash",".tar":"application/x-tar",".tbz":"application/x-bzip-compressed-tar",".text":"text/plain",".tif":"image/tiff",".tiff":"image/tiff",".torrent":"application/x-bittorrent",".ttf":"application/x-font-ttf",".txt":"text/plain",".wav":"audio/wav",".webm":"video/webm",".wma":"audio/x-ms-wma",".wmv":"video/x-ms-wmv",".xls":"application/vnd.ms-excel",".xml":"application/xml",".yaml":"text/yaml",".yml":"text/yaml",".zip":"application/zip"}},Nd=jo("render-media"),Hd=[".m4a",".m4b",".m4p",".m4v",".mp4"],Dd=[".m4v",".mkv",".mp4",".webm"],qd=[].concat(Dd,[".m4a",".m4b",".m4p",".mp3"]),Fd=[".mov",".ogv"],Wd=[".aac",".oga",".ogg",".wav",".flac"],jd=[".bmp",".gif",".jpeg",".jpg",".png",".svg"],zd=[".css",".html",".js",".md",".pdf",".txt"],Vd="undefined"!=typeof window&&window.MediaSource,Gd={};(function(o){Gd=function(e,t,n){n=Ot(n);var d=o.alloc(t),a=0;e.on("data",function(t){t.copy(d,a),a+=t.length}).on("end",function(){n(null,d)}).on("error",n)}}).call(this,p({}).Buffer);const Kd=jo("webtorrent:file-stream");var Yd=class extends st.Readable{constructor(o,e){super(e),this.destroyed=!1,this._torrent=o._torrent;const t=e&&e.start||0,n=e&&e.end&&e.end<o.length?e.end:o.length-1,r=o._torrent.pieceLength;this._startPiece=0|(t+o.offset)/r,this._endPiece=0|(n+o.offset)/r,this._piece=this._startPiece,this._offset=t+o.offset-this._startPiece*r,this._missing=n-t+1,this._reading=!1,this._notifying=!1,this._criticalLength=ao(0|1048576/r,2)}_read(){this._reading||(this._reading=!0,this._notify())}_notify(){if(!this._reading||0===this._missing)return;if(!this._torrent.bitfield.get(this._piece))return this._torrent.critical(this._piece,this._piece+this._criticalLength);if(this._notifying)return;if(this._notifying=!0,this._torrent.destroyed)return this._destroy(new Error("Torrent removed"));const r=this._piece;this._torrent.store.get(r,(e,t)=>{if(this._notifying=!1,!this.destroyed){if(e)return this._destroy(e);Kd("read %s (length %s) (err %s)",r,t.length,e&&e.message),this._offset&&(t=t.slice(this._offset),this._offset=0),this._missing<t.length&&(t=t.slice(0,this._missing)),this._missing-=t.length,Kd("pushing buffer of length %s",t.length),this._reading=!1,this.push(t),0===this._missing&&this.push(null)}}),this._piece+=1}destroy(t){this._destroy(null,t)}_destroy(n,e){this.destroyed||(this.destroyed=!0,this._torrent.destroyed||this._torrent.deselect(this._startPiece,this._endPiece,!0),n&&this.emit("error",n),this.emit("close"),e&&e())}},$d={};(function(r){const{EventEmitter:e}=m,{PassThrough:o}=st;$d=class extends e{constructor(o,e){super(),this._torrent=o,this._destroyed=!1,this.name=e.name,this.path=e.path,this.length=e.length,this.offset=e.offset,this.done=!1;const t=e.offset,n=t+e.length-1;this._startPiece=0|t/this._torrent.pieceLength,this._endPiece=0|n/this._torrent.pieceLength,0===this.length&&(this.done=!0,this.emit("done"))}get downloaded(){if(!this._torrent.bitfield)return 0;const{pieces:d,bitfield:e,pieceLength:t}=this._torrent,{_startPiece:n,_endPiece:r}=this,a=d[n];let i=e.get(n)?t-this.offset%t:to(a.length-a.missing-this.offset,0);for(let o=n+1;o<=r;++o)if(e.get(o))i+=t;else{const e=d[o];i+=e.length-e.missing}return ao(i,this.length)}get progress(){return this.length?this.downloaded/this.length:0}select(t){0!==this.length&&this._torrent.select(this._startPiece,this._endPiece,t)}deselect(){0!==this.length&&this._torrent.deselect(this._startPiece,this._endPiece,!1)}createReadStream(e){if(0===this.length){const e=new o;return r.nextTick(()=>{e.end()}),e}const t=new Yd(this,e);return this._torrent.select(t._startPiece,t._endPiece,!0,()=>{t._notify()}),Kr(t,()=>{this._destroyed||this._torrent.destroyed||this._torrent.deselect(t._startPiece,t._endPiece,!0)}),t}getBuffer(t){Gd(this.createReadStream(),this.length,t)}getBlob(n){if("undefined"==typeof window)throw new Error("browser-only method");(function(o,r){if(null!=r&&"string"!=typeof r)throw new Error("Invalid mimetype, expected string.");return new Promise((t,e)=>{const n=[];o.on("data",t=>n.push(t)).once("end",()=>{const o=null==r?new Blob(n):new Blob(n,{type:r});t(o)}).once("error",e)})})(this.createReadStream(),this._getMimeType()).then(e=>n(null,e),n)}getBlobURL(t){if("undefined"==typeof window)throw new Error("browser-only method");Sd(this.createReadStream(),this._getMimeType(),t)}appendTo(r,e,t){if("undefined"==typeof window)throw new Error("browser-only method");Od.append(this,r,e,t)}renderTo(r,e,t){if("undefined"==typeof window)throw new Error("browser-only method");Od.render(this,r,e,t)}_getMimeType(){return Od.mime[pt.extname(this.name).toLowerCase()]}_destroy(){this._destroyed=!0,this._torrent=null}}}).call(this,pe);var Xd=function(o,e){if(!(e>=o.length||0>e)){var t=o.pop();if(e<o.length){var n=o[e];return o[e]=t,n}return t}},Qd={};(function(d){const l=jo("bittorrent-protocol"),e=d.from("\x13BitTorrent protocol"),t=d.from([0,0,0,0]),n=d.from([0,0,0,1,0]),r=d.from([0,0,0,1,1]),i=d.from([0,0,0,1,2]),o=d.from([0,0,0,1,3]),f=[0,0,0,0,0,0,0,0],a=[0,0,0,3,9,0,0];class s{constructor(o,e,t,n){this.piece=o,this.offset=e,this.length=t,this.callback=n}}Qd=class extends st.Duplex{constructor(){super(),this._debugId=ur(4).toString("hex"),this._debug("new wire"),this.peerId=null,this.peerIdBuffer=null,this.type=null,this.amChoking=!0,this.amInterested=!1,this.peerChoking=!0,this.peerInterested=!1,this.peerPieces=new id(0,{grow:4e5}),this.peerExtensions={},this.requests=[],this.peerRequests=[],this.extendedMapping={},this.peerExtendedMapping={},this.extendedHandshake={},this.peerExtendedHandshake={},this._ext={},this._nextExt=1,this.uploaded=0,this.downloaded=0,this.uploadSpeed=gr(),this.downloadSpeed=gr(),this._keepAliveInterval=null,this._timeout=null,this._timeoutMs=0,this.destroyed=!1,this._finished=!1,this._parserSize=0,this._parser=null,this._buffer=[],this._bufferSize=0,this.on("finish",this._onFinish),this._parseHandshake()}setKeepAlive(t){this._debug("setKeepAlive %s",t),clearInterval(this._keepAliveInterval),!1!==t&&(this._keepAliveInterval=setInterval(()=>{this.keepAlive()},55e3))}setTimeout(n,e){this._debug("setTimeout ms=%d unref=%s",n,e),this._clearTimeout(),this._timeoutMs=n,this._timeoutUnref=!!e,this._updateTimeout()}destroy(){this.destroyed||(this.destroyed=!0,this._debug("destroy"),this.emit("close"),this.end())}end(...t){this._debug("end"),this._onUninterested(),this._onChoke(),super.end(...t)}use(o){function e(){}const d=o.prototype.name;if(!d)throw new Error("Extension class requires a \"name\" property on the prototype");this._debug("use extension.name=%s",d);const t=this._nextExt,n=new o(this);"function"!=typeof n.onHandshake&&(n.onHandshake=e),"function"!=typeof n.onExtendedHandshake&&(n.onExtendedHandshake=e),"function"!=typeof n.onMessage&&(n.onMessage=e),this.extendedMapping[t]=d,this._ext[d]=n,this[d]=n,this._nextExt+=1}keepAlive(){this._debug("keep-alive"),this._push(t)}handshake(n,l,c){let i,u;if("string"==typeof n?(n=n.toLowerCase(),i=d.from(n,"hex")):n=(i=n).toString("hex"),"string"==typeof l?u=d.from(l,"hex"):l=(u=l).toString("hex"),20!==i.length||20!==u.length)throw new Error("infoHash and peerId MUST have length 20");this._debug("handshake i=%s p=%s exts=%o",n,l,c);const p=d.from(f);p[5]|=16,c&&c.dht&&(p[7]|=1),this._push(d.concat([e,p,i,u])),this._handshakeSent=!0,this.peerExtensions.extended&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()}_sendExtendedHandshake(){const r=Object.assign({},this.extendedHandshake);for(const e in r.m={},this.extendedMapping){const t=this.extendedMapping[e];r.m[t]=+e}this.extended(0,te.encode(r)),this._extendedHandshakeSent=!0}choke(){if(!this.amChoking){for(this.amChoking=!0,this._debug("choke");this.peerRequests.length;)this.peerRequests.pop();this._push(n)}}unchoke(){this.amChoking&&(this.amChoking=!1,this._debug("unchoke"),this._push(r))}interested(){this.amInterested||(this.amInterested=!0,this._debug("interested"),this._push(i))}uninterested(){this.amInterested&&(this.amInterested=!1,this._debug("uninterested"),this._push(o))}have(t){this._debug("have %d",t),this._message(4,[t],null)}bitfield(e){this._debug("bitfield"),d.isBuffer(e)||(e=e.buffer),this._message(5,[],e)}request(o,e,t,n){return n||(n=()=>{}),this._finished?n(new Error("wire is closed")):this.peerChoking?n(new Error("peer is choking")):(this._debug("request index=%d offset=%d length=%d",o,e,t),this.requests.push(new s(o,e,t,n)),this._updateTimeout(),void this._message(6,[o,e,t],null))}piece(r,e,t){this._debug("piece index=%d offset=%d",r,e),this.uploaded+=t.length,this.uploadSpeed(t.length),this.emit("upload",t.length),this._message(7,[r,e],t)}cancel(r,e,t){this._debug("cancel index=%d offset=%d length=%d",r,e,t),this._callback(this._pull(this.requests,r,e,t),new Error("request was cancelled"),null),this._message(8,[r,e,t],null)}port(e){this._debug("port %d",e);const t=d.from(a);t.writeUInt16BE(e,5),this._push(t)}extended(e,o){if(this._debug("extended ext=%s",e),"string"==typeof e&&this.peerExtendedMapping[e]&&(e=this.peerExtendedMapping[e]),"number"!=typeof e)throw new Error(`Unrecognized extension: ${e}`);{const t=d.from([e]),n=d.isBuffer(o)?o:te.encode(o);this._message(20,[],d.concat([t,n]))}}_read(){}_message(e,t,n){const r=n?n.length:0,o=d.allocUnsafe(5+4*t.length);o.writeUInt32BE(o.length+r-4,0),o[4]=e;for(let r=0;r<t.length;r++)o.writeUInt32BE(t[r],5+4*r);this._push(o),n&&this._push(n)}_push(t){if(!this._finished)return this.push(t)}_onKeepAlive(){this._debug("got keep-alive"),this.emit("keep-alive")}_onHandshake(o,e,t){const n=o.toString("hex"),r=e.toString("hex");for(var d in this._debug("got handshake i=%s p=%s exts=%o",n,r,t),this.peerId=r,this.peerIdBuffer=e,this.peerExtensions=t,this.emit("handshake",n,r,t),this._ext)this._ext[d].onHandshake(n,r,t);t.extended&&this._handshakeSent&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()}_onChoke(){for(this.peerChoking=!0,this._debug("got choke"),this.emit("choke");this.requests.length;)this._callback(this.requests.pop(),new Error("peer is choking"),null)}_onUnchoke(){this.peerChoking=!1,this._debug("got unchoke"),this.emit("unchoke")}_onInterested(){this.peerInterested=!0,this._debug("got interested"),this.emit("interested")}_onUninterested(){this.peerInterested=!1,this._debug("got uninterested"),this.emit("uninterested")}_onHave(t){this.peerPieces.get(t)||(this._debug("got have %d",t),this.peerPieces.set(t,!0),this.emit("have",t))}_onBitField(t){this.peerPieces=new id(t),this._debug("got bitfield"),this.emit("bitfield",this.peerPieces)}_onRequest(o,e,t){if(!this.amChoking){this._debug("got request index=%d offset=%d length=%d",o,e,t);const d=(d,r)=>{if(n===this._pull(this.peerRequests,o,e,t))return d?this._debug("error satisfying request index=%d offset=%d length=%d (%s)",o,e,t,d.message):void this.piece(o,e,r)};var n=new s(o,e,t,d);this.peerRequests.push(n),this.emit("request",o,e,t,d)}}_onPiece(r,e,t){this._debug("got piece index=%d offset=%d",r,e),this._callback(this._pull(this.requests,r,e,t.length),null,t),this.downloaded+=t.length,this.downloadSpeed(t.length),this.emit("download",t.length),this.emit("piece",r,e,t)}_onCancel(r,e,t){this._debug("got cancel index=%d offset=%d length=%d",r,e,t),this._pull(this.peerRequests,r,e,t),this.emit("cancel",r,e,t)}_onPort(t){this._debug("got port %d",t),this.emit("port",t)}_onExtended(n,r){if(0===n){let t,e;try{t=te.decode(r)}catch(e){this._debug("ignoring invalid extended handshake: %s",e.message||e)}if(!t)return;if(this.peerExtendedHandshake=t,"object"==typeof t.m)for(e in t.m)this.peerExtendedMapping[e]=+t.m[e].toString();for(e in this._ext)this.peerExtendedMapping[e]&&this._ext[e].onExtendedHandshake(this.peerExtendedHandshake);this._debug("got extended handshake"),this.emit("extended","handshake",this.peerExtendedHandshake)}else this.extendedMapping[n]&&(n=this.extendedMapping[n],this._ext[n]&&this._ext[n].onMessage(r)),this._debug("got extended message ext=%s",n),this.emit("extended",n,r)}_onTimeout(){this._debug("request timed out"),this._callback(this.requests.shift(),new Error("request has timed out"),null),this.emit("timeout")}_write(e,t,n){for(this._bufferSize+=e.length,this._buffer.push(e);this._bufferSize>=this._parserSize;){const e=1===this._buffer.length?this._buffer[0]:d.concat(this._buffer);this._bufferSize-=this._parserSize,this._buffer=this._bufferSize?[e.slice(this._parserSize)]:[],this._parser(e.slice(0,this._parserSize))}n(null)}_callback(r,e,t){r&&(this._clearTimeout(),this.peerChoking||this._finished||this._updateTimeout(),r.callback(e,t))}_clearTimeout(){this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}_updateTimeout(){this._timeoutMs&&this.requests.length&&!this._timeout&&(this._timeout=setTimeout(()=>this._onTimeout(),this._timeoutMs),this._timeoutUnref&&this._timeout.unref&&this._timeout.unref())}_parse(n,e){this._parserSize=n,this._parser=e}_onMessageLength(n){const e=n.readUInt32BE(0);0<e?this._parse(e,this._onMessage):(this._onKeepAlive(),this._parse(4,this._onMessageLength))}_onMessage(t){switch(this._parse(4,this._onMessageLength),t[0]){case 0:return this._onChoke();case 1:return this._onUnchoke();case 2:return this._onInterested();case 3:return this._onUninterested();case 4:return this._onHave(t.readUInt32BE(1));case 5:return this._onBitField(t.slice(1));case 6:return this._onRequest(t.readUInt32BE(1),t.readUInt32BE(5),t.readUInt32BE(9));case 7:return this._onPiece(t.readUInt32BE(1),t.readUInt32BE(5),t.slice(9));case 8:return this._onCancel(t.readUInt32BE(1),t.readUInt32BE(5),t.readUInt32BE(9));case 9:return this._onPort(t.readUInt16BE(1));case 20:return this._onExtended(t.readUInt8(1),t.slice(2));default:return this._debug("got unknown message"),this.emit("unknownmessage",t);}}_parseHandshake(){this._parse(1,n=>{const r=n.readUInt8(0);this._parse(r+48,t=>{const o=t.slice(0,r);return"BitTorrent protocol"===o.toString()?void(t=t.slice(r),this._onHandshake(t.slice(8,28),t.slice(28,48),{dht:!!(1&t[7]),extended:!!(16&t[5])}),this._parse(4,this._onMessageLength)):(this._debug("Error: wire not speaking BitTorrent protocol (%s)",o.toString()),void this.end())})})}_onFinish(){for(this._finished=!0,this.push(null);this.read(););for(clearInterval(this._keepAliveInterval),this._parse(Number.MAX_VALUE,()=>{});this.peerRequests.length;)this.peerRequests.pop();for(;this.requests.length;)this._callback(this.requests.pop(),new Error("wire was closed"),null)}_debug(...t){t[0]=`[${this._debugId}] ${t[0]}`,l(...t)}_pull(o,e,t,n){for(let r=0;r<o.length;r++){const d=o[r];if(d.piece===e&&d.offset===t&&d.length===n)return Xd(o,r),d}return null}}}).call(this,p({}).Buffer);var Jd={};(function(n){const m=jo("webtorrent:webconn");Jd=class extends Qd{constructor(n,e){super(),this.url=n,this.webPeerId=qo.sync(n),this._torrent=e,this._init()}_init(){this.setKeepAlive(!0),this.once("handshake",t=>{if(!this.destroyed){this.handshake(t,this.webPeerId);const e=this._torrent.pieces.length,n=new id(e);for(let t=0;t<=e;t++)n.set(t,!0);this.bitfield(n)}}),this.once("interested",()=>{m("interested"),this.unchoke()}),this.on("uninterested",()=>{m("uninterested")}),this.on("choke",()=>{m("choke")}),this.on("unchoke",()=>{m("unchoke")}),this.on("bitfield",()=>{m("bitfield")}),this.on("request",(t,e,n,r)=>{m("request pieceIndex=%d offset=%d length=%d",t,e,n),this.httpRequest(t,e,n,r)})}httpRequest(t,r,i,s){const o=t*this._torrent.pieceLength+r,a=o+i-1,p=this._torrent.files;let c;if(1>=p.length)c=[{url:this.url,start:o,end:a}];else{const t=p.filter(t=>t.offset<=a&&t.offset+t.length>o);if(1>t.length)return s(new Error("Could not find file corresponnding to web seed range request"));c=t.map(n=>{const e=n.offset+n.length-1;return{url:this.url+("/"===this.url[this.url.length-1]?"":"/")+n.path,fileOffsetInRange:to(n.offset-o,0),start:to(o-n.offset,0),end:ao(e,a-n.offset)}})}let h,g=0,_=!1;1<c.length&&(h=n.alloc(i)),c.forEach(o=>{function d(e,t){return 200>e.statusCode||300<=e.statusCode?(_=!0,s(new Error(`Unexpected HTTP status code ${e.statusCode}`))):void(m("Got data of length %d",t.length),1===c.length?s(null,t):(t.copy(h,o.fileOffsetInRange),++g===c.length&&s(null,h)))}const l=o.url,e=o.start,n=o.end;m("Requesting url=%s pieceIndex=%d offset=%d length=%d start=%d end=%d",l,t,r,i,e,n);const a={url:l,method:"GET",headers:{"user-agent":`WebTorrent/${"0.107.0"} (https://webtorrent.io)`,range:`bytes=${e}-${n}`}};nr.concat(a,(r,e,t)=>{if(!_)return r?"undefined"==typeof window||l.startsWith(`${window.location.origin}/`)?(_=!0,s(r)):nr.head(l,(e,t)=>{if(!_){if(e)return _=!0,s(e);if(200>t.statusCode||300<=t.statusCode)return _=!0,s(new Error(`Unexpected HTTP status code ${t.statusCode}`));if(t.url===l)return _=!0,s(r);a.url=t.url,nr.concat(a,(r,e,t)=>{if(!_)return r?(_=!0,s(r)):void d(e,t)})}}):void d(e,t)})})}destroy(){super.destroy(),this._torrent=null}}}).call(this,p({}).Buffer);var Zd={};const ea=jo("webtorrent:peer");Zd.createWebRTCPeer=(r,e)=>{const t=new ta(r.id,"webrtc");return t.conn=r,t.swarm=e,t.conn.connected?t.onConnect():(t.conn.once("connect",()=>{t.onConnect()}),t.conn.once("error",n=>{t.destroy(n)}),t.startConnectTimeout()),t},Zd.createTCPOutgoingPeer=(r,e)=>{const t=new ta(r,"tcpOutgoing");return t.addr=r,t.swarm=e,t},Zd.createWebSeedPeer=(r,e)=>{const t=new ta(r,"webSeed");return t.swarm=e,t.conn=new Jd(r,e),t.onConnect(),t};class ta{constructor(n,e){this.id=n,this.type=e,ea("new %s Peer %s",e,n),this.addr=null,this.conn=null,this.swarm=null,this.wire=null,this.connected=!1,this.destroyed=!1,this.timeout=null,this.retries=0,this.sentHandshake=!1}onConnect(){if(!this.destroyed){this.connected=!0,ea("Peer %s connected",this.id),clearTimeout(this.connectTimeout);const n=this.conn;n.once("end",()=>{this.destroy()}),n.once("close",()=>{this.destroy()}),n.once("finish",()=>{this.destroy()}),n.once("error",t=>{this.destroy(t)});const e=this.wire=new Qd;e.type=this.type,e.once("end",()=>{this.destroy()}),e.once("close",()=>{this.destroy()}),e.once("finish",()=>{this.destroy()}),e.once("error",t=>{this.destroy(t)}),e.once("handshake",(n,e)=>{this.onHandshake(n,e)}),this.startHandshakeTimeout(),n.pipe(e).pipe(n),this.swarm&&!this.sentHandshake&&this.handshake()}}onHandshake(r,e){if(!this.swarm)return;if(this.destroyed)return;if(this.swarm.destroyed)return this.destroy(new Error("swarm already destroyed"));if(r!==this.swarm.infoHash)return this.destroy(new Error("unexpected handshake info hash for this swarm"));if(e===this.swarm.peerId)return this.destroy(new Error("refusing to connect to ourselves"));ea("Peer %s got handshake %s",this.id,r),clearTimeout(this.handshakeTimeout),this.retries=0;let t=this.addr;!t&&this.conn.remoteAddress&&this.conn.remotePort&&(t=`${this.conn.remoteAddress}:${this.conn.remotePort}`),this.swarm._onWire(this.wire,t),this.swarm&&!this.swarm.destroyed&&(this.sentHandshake||this.handshake())}handshake(){const t={dht:!this.swarm.private&&!!this.swarm.client.dht};this.wire.handshake(this.swarm.infoHash,this.swarm.client.peerId,t),this.sentHandshake=!0}startConnectTimeout(){clearTimeout(this.connectTimeout),this.connectTimeout=setTimeout(()=>{this.destroy(new Error("connect timeout"))},"webrtc"===this.type?25e3:5e3),this.connectTimeout.unref&&this.connectTimeout.unref()}startHandshakeTimeout(){clearTimeout(this.handshakeTimeout),this.handshakeTimeout=setTimeout(()=>{this.destroy(new Error("handshake timeout"))},25e3),this.handshakeTimeout.unref&&this.handshakeTimeout.unref()}destroy(o){if(!this.destroyed){this.destroyed=!0,this.connected=!1,ea("destroy %s (error: %s)",this.id,o&&(o.message||o)),clearTimeout(this.connectTimeout),clearTimeout(this.handshakeTimeout);const e=this.swarm,t=this.conn,n=this.wire;this.swarm=null,this.conn=null,this.wire=null,e&&n&&Xd(e.wires,e.wires.indexOf(n)),t&&(t.on("error",()=>{}),t.destroy()),n&&n.destroy(),e&&e.removePeer(this.id)}}}var na={};(function(d,a){function g(n,e){return 2+eo(e*n.downloadSpeed()/md.BLOCK_LENGTH)}function l(){}const t=jo("webtorrent:torrent"),e=m.EventEmitter,u=3*md.BLOCK_LENGTH,n=d.browser?1/0:2,r=[1e3,5e3,15e3];let o;try{o=pt.join(St.statSync("/tmp")&&"/tmp","webtorrent")}catch(e){o=pt.join("function"==typeof oe.tmpdir?oe.tmpdir():"/","webtorrent")}na=class extends e{constructor(r,e,t){super(),this._debugId="unknown infohash",this.client=e,this.announce=t.announce,this.urlList=t.urlList,this.path=t.path,this.skipVerify=!!t.skipVerify,this._store=t.store||fd,this._getAnnounceOpts=t.getAnnounceOpts,this.strategy=t.strategy||"sequential",this.maxWebConns=t.maxWebConns||4,this._rechokeNumSlots=!1===t.uploads||0===t.uploads?0:+t.uploads||10,this._rechokeOptimisticWire=null,this._rechokeOptimisticTime=0,this._rechokeIntervalId=null,this.ready=!1,this.destroyed=!1,this.paused=!1,this.done=!1,this.metadata=null,this.store=null,this.files=[],this.pieces=[],this._amInterested=!1,this._selections=[],this._critical=[],this.wires=[],this._queue=[],this._peers={},this._peersLength=0,this.received=0,this.uploaded=0,this._downloadSpeed=gr(),this._uploadSpeed=gr(),this._servers=[],this._xsRequests=[],this._fileModtimes=t.fileModtimes,null!==r&&this._onTorrentId(r),this._debug("new torrent")}get timeRemaining(){return this.done?0:0===this.downloadSpeed?1/0:1e3*((this.length-this.downloaded)/this.downloadSpeed)}get downloaded(){if(!this.bitfield)return 0;let r=0;for(let e=0,t=this.pieces.length;e<t;++e)if(this.bitfield.get(e))r+=e==t-1?this.lastPieceLength:this.pieceLength;else{const t=this.pieces[e];r+=t.length-t.missing}return r}get downloadSpeed(){return this._downloadSpeed()}get uploadSpeed(){return this._uploadSpeed()}get progress(){return this.length?this.downloaded/this.length:0}get ratio(){return this.uploaded/(this.received||1)}get numPeers(){return this.wires.length}get torrentFileBlobURL(){if("undefined"==typeof window)throw new Error("browser-only property");return this.torrentFile?URL.createObjectURL(new Blob([this.torrentFile],{type:"application/x-bittorrent"})):null}get _numQueued(){return this._queue.length+(this._peersLength-this._numConns)}get _numConns(){let n=0;for(const e in this._peers)this._peers[e].connected&&(n+=1);return n}get swarm(){return console.warn("WebTorrent: `torrent.swarm` is deprecated. Use `torrent` directly instead."),this}_onTorrentId(e){if(this.destroyed)return;let t;try{t=Zo(e)}catch(e){}t?(this.infoHash=t.infoHash,this._debugId=t.infoHash.toString("hex").substring(0,7),d.nextTick(()=>{this.destroyed||this._onParsedTorrent(t)})):Zo.remote(e,(n,e)=>{if(!this.destroyed)return n?this._destroy(n):void this._onParsedTorrent(e)})}_onParsedTorrent(t){if(!this.destroyed){if(this._processParsedTorrent(t),!this.infoHash)return this._destroy(new Error("Malformed torrent data: No info hash"));this.path||(this.path=pt.join(o,this.infoHash)),this._rechokeIntervalId=setInterval(()=>{this._rechoke()},1e4),this._rechokeIntervalId.unref&&this._rechokeIntervalId.unref(),this.emit("_infoHash",this.infoHash),this.destroyed||(this.emit("infoHash",this.infoHash),this.destroyed||(this.client.listening?this._onListening():this.client.once("listening",()=>{this._onListening()})))}}_processParsedTorrent(t){this._debugId=t.infoHash.toString("hex").substring(0,7),this.announce&&(t.announce=t.announce.concat(this.announce)),this.client.tracker&&a.WEBTORRENT_ANNOUNCE&&!this.private&&(t.announce=t.announce.concat(a.WEBTORRENT_ANNOUNCE)),this.urlList&&(t.urlList=t.urlList.concat(this.urlList)),or(t.announce),or(t.urlList),Object.assign(this,t),this.magnetURI=Zo.toMagnetURI(t),this.torrentFile=Zo.toTorrentFile(t)}_onListening(){if(this.discovery||this.destroyed)return;let t=this.client.tracker;t&&(t=Object.assign({},this.client.tracker,{getAnnounceOpts:()=>{const t={uploaded:this.uploaded,downloaded:this.downloaded,left:to(this.length-this.downloaded,0)};return this.client.tracker.getAnnounceOpts&&Object.assign(t,this.client.tracker.getAnnounceOpts()),this._getAnnounceOpts&&Object.assign(t,this._getAnnounceOpts()),t}})),this.discovery=new ud({infoHash:this.infoHash,announce:this.announce,peerId:this.client.peerId,dht:!this.private&&this.client.dht,tracker:t,port:this.client.torrentPort,userAgent:`WebTorrent/${"0.107.0"} (https://webtorrent.io)`}),this.discovery.on("error",t=>{this._destroy(t)}),this.discovery.on("peer",t=>{"string"==typeof t&&this.done||this.addPeer(t)}),this.discovery.on("trackerAnnounce",()=>{this.emit("trackerAnnounce"),0===this.numPeers&&this.emit("noPeers","tracker")}),this.discovery.on("dhtAnnounce",()=>{this.emit("dhtAnnounce"),0===this.numPeers&&this.emit("noPeers","dht")}),this.discovery.on("warning",t=>{this.emit("warning",t)}),this.info?this._onMetadata(this):this.xs&&this._getMetadataFromServer()}_getMetadataFromServer(){const d=this,e=(Array.isArray(this.xs)?this.xs:[this.xs]).map(e=>t=>{!function(e,t){if(0!==e.indexOf("http://")&&0!==e.indexOf("https://"))return d.emit("warning",new Error(`skipping non-http xs param: ${e}`)),t(null);let n;try{n=nr.concat({url:e,method:"GET",headers:{"user-agent":"WebTorrent/0.107.0 (https://webtorrent.io)"}},function(n,r,a){if(d.destroyed)return t(null);if(d.metadata)return t(null);if(n)return d.emit("warning",new Error(`http error from xs param: ${e}`)),t(null);if(200!==r.statusCode)return d.emit("warning",new Error(`non-200 status code ${r.statusCode} from xs param: ${e}`)),t(null);let i;try{i=Zo(a)}catch(e){}return i?i.infoHash===d.infoHash?(d._onMetadata(i),void t(null)):(d.emit("warning",new Error(`got torrent file with incorrect info hash from xs param: ${e}`)),t(null)):(d.emit("warning",new Error(`got invalid torrent file from xs param: ${e}`)),t(null))})}catch(n){return d.emit("warning",new Error(`skipping invalid url xs param: ${e}`)),t(null)}d._xsRequests.push(n)}(e,t)});Oo(e)}_onMetadata(n){if(this.metadata||this.destroyed)return;let e;if(this._debug("got metadata"),this._xsRequests.forEach(t=>{t.abort()}),this._xsRequests=[],n&&n.infoHash)e=n;else try{e=Zo(n)}catch(e){return this._destroy(e)}if(this._processParsedTorrent(e),this.metadata=this.torrentFile,this.client.enableWebSeeds&&this.urlList.forEach(t=>{this.addWebSeed(t)}),this._rarityMap=new class{constructor(t){this._torrent=t,this._numPieces=t.pieces.length,this._pieces=Array(this._numPieces),this._onWire=t=>{this.recalculate(),this._initWire(t)},this._onWireHave=t=>{this._pieces[t]+=1},this._onWireBitfield=()=>{this.recalculate()},this._torrent.wires.forEach(t=>{this._initWire(t)}),this._torrent.on("wire",this._onWire),this.recalculate()}getRarestPiece(o){let e=[],d=1/0;for(let t=0;t<this._numPieces;++t){if(o&&!o(t))continue;const n=this._pieces[t];n===d?e.push(t):n<d&&(e=[t],d=n)}return e.length?e[0|Math.random()*e.length]:-1}destroy(){this._torrent.removeListener("wire",this._onWire),this._torrent.wires.forEach(t=>{this._cleanupWireEvents(t)}),this._torrent=null,this._pieces=null,this._onWire=null,this._onWireHave=null,this._onWireBitfield=null}_initWire(n){n._onClose=()=>{this._cleanupWireEvents(n);for(let e=0;e<this._numPieces;++e)this._pieces[e]-=n.peerPieces.get(e)},n.on("have",this._onWireHave),n.on("bitfield",this._onWireBitfield),n.once("close",n._onClose)}recalculate(){this._pieces.fill(0);for(const n of this._torrent.wires)for(let e=0;e<this._numPieces;++e)this._pieces[e]+=n.peerPieces.get(e)}_cleanupWireEvents(t){t.removeListener("have",this._onWireHave),t.removeListener("bitfield",this._onWireBitfield),t._onClose&&t.removeListener("close",t._onClose),t._onClose=null}}(this),this.store=new pd(new this._store(this.pieceLength,{torrent:{infoHash:this.infoHash},files:this.files.map(t=>({path:pt.join(this.path,t.path),length:t.length,offset:t.offset})),length:this.length,name:this.infoHash})),this.files=this.files.map(t=>new $d(this,t)),this.so){const r=yd.parse(this.so);this.files.forEach((e,t)=>{r.includes(t)&&this.files[t].select(!0)})}else 0!==this.pieces.length&&this.select(0,this.pieces.length-1,!1);if(this._hashes=this.pieces,this.pieces=this.pieces.map((r,e)=>{const t=e===this.pieces.length-1?this.lastPieceLength:this.pieceLength;return new md(t)}),this._reservations=this.pieces.map(()=>[]),this.bitfield=new id(this.pieces.length),this.wires.forEach(t=>{t.ut_metadata&&t.ut_metadata.setMetadata(this.metadata),this._onWireWithMetadata(t)}),this.skipVerify)this._markAllVerified(),this._onStore();else{const r=t=>t?this._destroy(t):void(this._debug("done verifying"),this._onStore());this._debug("verifying existing torrent data"),this._fileModtimes&&this._store===fd?this.getFileModtimes((e,o)=>e?this._destroy(e):void(this.files.map((n,e)=>o[e]===this._fileModtimes[e]).every(t=>t)?(this._markAllVerified(),this._onStore()):this._verifyPieces(r))):this._verifyPieces(r)}this.emit("metadata")}getFileModtimes(r){const o=[];zr(this.files.map((t,d)=>n=>{St.stat(pt.join(this.path,t.path),(t,e)=>t&&"ENOENT"!==t.code?n(t):void(o[d]=e&&e.mtime.getTime(),n(null)))}),n,e=>{this._debug("done getting file modtimes"),r(e,o)})}_verifyPieces(e){zr(this.pieces.map((e,r)=>n=>this.destroyed?n(new Error("torrent is destroyed")):void this.store.get(r,(e,t)=>this.destroyed?n(new Error("torrent is destroyed")):e?d.nextTick(n,null):void qo(t,t=>{if(this.destroyed)return n(new Error("torrent is destroyed"));if(t===this._hashes[r]){if(!this.pieces[r])return;this._debug("piece verified %s",r),this._markVerified(r)}else this._debug("piece invalid %s",r);n(null)}))),n,e)}rescanFiles(n){if(this.destroyed)throw new Error("torrent is destroyed");n||(n=l),this._verifyPieces(e=>e?(this._destroy(e),n(e)):void(this._checkDone(),n(null)))}_markAllVerified(){for(let t=0;t<this.pieces.length;t++)this._markVerified(t)}_markVerified(t){this.pieces[t]=null,this._reservations[t]=null,this.bitfield.set(t,!0)}_onStore(){this.destroyed||(this._debug("on store"),this.ready=!0,this.emit("ready"),this._checkDone(),this._updateSelections())}destroy(t){this._destroy(null,t)}_destroy(r,e){if(!this.destroyed){for(const e in this.destroyed=!0,this._debug("destroy"),this.client._remove(this),clearInterval(this._rechokeIntervalId),this._xsRequests.forEach(t=>{t.abort()}),this._rarityMap&&this._rarityMap.destroy(),this._peers)this.removePeer(e);this.files.forEach(t=>{t instanceof $d&&t._destroy()});const t=this._servers.map(n=>e=>{n.destroy(e)});this.discovery&&t.push(t=>{this.discovery.destroy(t)}),this.store&&t.push(t=>{this.store.close(t)}),Oo(t,e),r&&(0===this.listenerCount("error")?this.client.emit("error",r):this.emit("error",r)),this.emit("close"),this.client=null,this.files=[],this.discovery=null,this.store=null,this._rarityMap=null,this._peers=null,this._servers=null,this._xsRequests=null}}addPeer(r){if(this.destroyed)throw new Error("torrent is destroyed");if(!this.infoHash)throw new Error("addPeer() must not be called before the `infoHash` event");if(this.client.blocked){let e;if("string"==typeof r){let t;try{t=mr(r)}catch(e){return this._debug("ignoring peer: invalid %s",r),this.emit("invalidPeer",r),!1}e=t[0]}else"string"==typeof r.remoteAddress&&(e=r.remoteAddress);if(e&&this.client.blocked.contains(e))return this._debug("ignoring peer: blocked %s",r),"string"!=typeof r&&r.destroy(),this.emit("blockedPeer",r),!1}const e=!!this._addPeer(r);return e?this.emit("peer",r):this.emit("invalidPeer",r),e}_addPeer(r){if(this.destroyed)return"string"!=typeof r&&r.destroy(),null;if("string"==typeof r&&!this._validAddr(r))return this._debug("ignoring peer: invalid %s",r),null;const e=r&&r.id||r;if(this._peers[e])return this._debug("ignoring peer: duplicate (%s)",e),"string"!=typeof r&&r.destroy(),null;if(this.paused)return this._debug("ignoring peer: torrent is paused"),"string"!=typeof r&&r.destroy(),null;let t;return this._debug("add peer %s",e),t="string"==typeof r?Zd.createTCPOutgoingPeer(r,this):Zd.createWebRTCPeer(r,this),this._peers[t.id]=t,this._peersLength+=1,"string"==typeof r&&(this._queue.push(t),this._drain()),t}addWebSeed(n){if(this.destroyed)throw new Error("torrent is destroyed");if(!/^https?:\/\/.+/.test(n))return this.emit("warning",new Error(`ignoring invalid web seed: ${n}`)),void this.emit("invalidPeer",n);if(this._peers[n])return this.emit("warning",new Error(`ignoring duplicate web seed: ${n}`)),void this.emit("invalidPeer",n);this._debug("add web seed %s",n);const e=Zd.createWebSeedPeer(n,this);this._peers[e.id]=e,this._peersLength+=1,this.emit("peer",n)}_addIncomingPeer(t){return this.destroyed?t.destroy(new Error("torrent is destroyed")):this.paused?t.destroy(new Error("torrent is paused")):(this._debug("add incoming peer %s",t.id),this._peers[t.id]=t,void(this._peersLength+=1))}removePeer(n){const r=n&&n.id||n;(n=this._peers[r])&&(this._debug("removePeer %s",r),delete this._peers[r],this._peersLength-=1,n.destroy(),this._drain())}select(o,e,t,d){if(this.destroyed)throw new Error("torrent is destroyed");if(0>o||e<o||this.pieces.length<=e)throw new Error(`invalid selection ${o} : ${e}`);t=+t||0,this._debug("select %s-%s (priority %s)",o,e,t),this._selections.push({from:o,to:e,offset:0,priority:t,notify:d||l}),this._selections.sort((n,e)=>e.priority-n.priority),this._updateSelections()}deselect(o,e,t){if(this.destroyed)throw new Error("torrent is destroyed");t=+t||0,this._debug("deselect %s-%s (priority %s)",o,e,t);for(let n=0;n<this._selections.length;++n){const r=this._selections[n];if(r.from===o&&r.to===e&&r.priority===t){this._selections.splice(n,1);break}}this._updateSelections()}critical(r,e){if(this.destroyed)throw new Error("torrent is destroyed");this._debug("critical %s-%s",r,e);for(let t=r;t<=e;++t)this._critical[t]=!0;this._updateSelections()}_onWire(r,t){if(this._debug("got wire %s (%s)",r._debugId,t||"Unknown"),r.on("download",t=>{this.destroyed||(this.received+=t,this._downloadSpeed(t),this.client._downloadSpeed(t),this.emit("download",t),this.client.emit("download",t))}),r.on("upload",t=>{this.destroyed||(this.uploaded+=t,this._uploadSpeed(t),this.client._uploadSpeed(t),this.emit("upload",t),this.client.emit("upload",t))}),this.wires.push(r),t){const n=mr(t);r.remoteAddress=n[0],r.remotePort=n[1]}this.client.dht&&this.client.dht.listening&&r.on("port",n=>{if(!this.destroyed&&!this.client.dht.destroyed){if(!r.remoteAddress)return this._debug("ignoring PORT from peer with no address");if(0===n||65536<n)return this._debug("ignoring invalid PORT from peer");this._debug("port: %s (from %s)",n,t),this.client.dht.addNode({host:r.remoteAddress,port:n})}}),r.on("timeout",()=>{this._debug("wire timeout (%s)",t),r.destroy()}),r.setTimeout(3e4,!0),r.setKeepAlive(!0),r.use(bd(this.metadata)),r.ut_metadata.on("warning",t=>{this._debug("ut_metadata warning: %s",t.message)}),this.metadata||(r.ut_metadata.on("metadata",t=>{this._debug("got metadata via ut_metadata"),this._onMetadata(t)}),r.ut_metadata.fetch()),!0,this.emit("wire",r,t),this.metadata&&d.nextTick(()=>{this._onWireWithMetadata(r)})}_onWireWithMetadata(o){let e=null;const d=()=>{this.destroyed||o.destroyed||(this._numQueued>2*(this._numConns-this.numPeers)&&o.amInterested?o.destroy():(e=setTimeout(d,5e3)).unref&&e.unref())};let n;const a=()=>{if(o.peerPieces.buffer.length===this.bitfield.buffer.length){for(n=0;n<this.pieces.length;++n)if(!o.peerPieces.get(n))return;o.isSeeder=!0,o.choke()}};o.on("bitfield",()=>{a(),this._update()}),o.on("have",()=>{a(),this._update()}),o.once("interested",()=>{o.unchoke()}),o.once("close",()=>{clearTimeout(e)}),o.on("choke",()=>{clearTimeout(e),(e=setTimeout(d,5e3)).unref&&e.unref()}),o.on("unchoke",()=>{clearTimeout(e),this._update()}),o.on("request",(e,t,n,r)=>131072<n?o.destroy():void(this.pieces[e]||this.store.get(e,{offset:t,length:n},r))),o.bitfield(this.bitfield),o.uninterested(),o.peerExtensions.dht&&this.client.dht&&this.client.dht.listening&&o.port(this.client.dht.address().port),"webSeed"!==o.type&&(e=setTimeout(d,5e3)).unref&&e.unref(),o.isSeeder=!1,a()}_updateSelections(){this.ready&&!this.destroyed&&(d.nextTick(()=>{this._gcSelections()}),this._updateInterest(),this._update())}_gcSelections(){for(let r=0;r<this._selections.length;++r){const e=this._selections[r],t=e.offset;for(;this.bitfield.get(e.from+e.offset)&&e.from+e.offset<e.to;)e.offset+=1;t!==e.offset&&e.notify(),e.to===e.from+e.offset&&this.bitfield.get(e.from+e.offset)&&(this._selections.splice(r,1),r-=1,e.notify(),this._updateInterest())}this._selections.length||this.emit("idle")}_updateInterest(){const t=this._amInterested;this._amInterested=!!this._selections.length,this.wires.forEach(r=>{let e=!1;for(let t=0;t<this.pieces.length;++t)if(this.pieces[t]&&r.peerPieces.get(t)){e=!0;break}e?r.interested():r.uninterested()}),t!==this._amInterested&&(this._amInterested?this.emit("interested"):this.emit("uninterested"))}_update(){if(!this.destroyed){const t=(o=this.wires,d=0,function(){if(d===o.length)return null;var t=o.length-d,e=0|Math.random()*t,n=o[d+e],r=o[d];return o[d]=n,o[d+e]=r,d++,n});var o,d;for(let e;e=t();)this._updateWireWrapper(e)}}_updateWireWrapper(n){const e=this;"undefined"!=typeof window&&"function"==typeof window.requestIdleCallback?window.requestIdleCallback(function(){e._updateWire(n)}):e._updateWire(n)}_updateWire(d){function e(e,t,n,r){return o=>o>=e&&o<=t&&!(o in n)&&d.peerPieces.get(o)&&(!r||r(o))}function s(t){let e=t;for(let n=t;n<l._selections.length&&l._selections[n].priority;n++)e=n;const o=l._selections[t];l._selections[t]=l._selections[e],l._selections[e]=o}function o(t){if(d.requests.length>=m)return!0;const n=function(){const t=d.downloadSpeed()||1;if(t>u)return()=>!0;const n=to(1,d.requests.length)*md.BLOCK_LENGTH/t;let r=10,i=0;return o=>{if(!r||l.bitfield.get(o))return!0;for(let e=l.pieces[o].missing;i<l.wires.length;i++){const d=l.wires[i],a=d.downloadSpeed();if(!(a<u)&&!(a<=t)&&d.peerPieces.get(o)&&!(0<(e-=a*n)))return r--,!1}return!0}}();for(let r=0;r<l._selections.length;r++){const o=l._selections[r];let a;if("rarest"===l.strategy){const i=o.from+o.offset,c=o.to,u={};let f=0;for(const p=e(i,c,u,n);f<c-i+1&&!(0>(a=l._rarityMap.getRarestPiece(p)));){for(;l._request(d,a,l._critical[a]||t););if(!(d.requests.length<m))return o.priority&&s(r),!0;u[a]=!0,f++}}else for(a=o.from+o.offset;a<=o.to;a++)if(d.peerPieces.get(a)&&n(a)){for(;l._request(d,a,l._critical[a]||t););if(!(d.requests.length<m))return o.priority&&s(r),!0}}return!1}const l=this;if(d.peerChoking)return;if(!d.downloaded)return function(){if(!d.requests.length)for(let t=l._selections.length;t--;){const a=l._selections[t];let r;if("rarest"===l.strategy){const t=a.from+a.offset,n=a.to,o={};let i=0;for(const a=e(t,n,o);i<n-t+1&&!(0>(r=l._rarityMap.getRarestPiece(a)));){if(l._request(d,r,!1))return;o[r]=!0,i+=1}}else for(r=a.to;r>=a.from+a.offset;--r)if(d.peerPieces.get(r)&&l._request(d,r,!1))return}}();const t=g(d,.5);if(d.requests.length>=t)return;const m=g(d,1);o(!1)||o(!0)}_rechoke(){if(!this.ready)return;0<this._rechokeOptimisticTime?this._rechokeOptimisticTime-=1:this._rechokeOptimisticWire=null;const o=[];this.wires.forEach(e=>{e.isSeeder||e===this._rechokeOptimisticWire||o.push({wire:e,downloadSpeed:e.downloadSpeed(),uploadSpeed:e.uploadSpeed(),salt:Math.random(),isChoked:!0})}),o.sort(function(n,e){return n.downloadSpeed===e.downloadSpeed?n.uploadSpeed===e.uploadSpeed?n.wire.amChoking===e.wire.amChoking?n.salt-e.salt:n.wire.amChoking?1:-1:e.uploadSpeed-n.uploadSpeed:e.downloadSpeed-n.downloadSpeed});let e=0,d=0;for(;d<o.length&&e<this._rechokeNumSlots;++d)o[d].isChoked=!1,o[d].wire.peerInterested&&(e+=1);if(!this._rechokeOptimisticWire&&d<o.length&&this._rechokeNumSlots){const e=o.slice(d).filter(t=>t.wire.peerInterested),t=e[(a=e.length,0|Math.random()*a)];t&&(t.isChoked=!1,this._rechokeOptimisticWire=t.wire,this._rechokeOptimisticTime=2)}var a;o.forEach(t=>{t.wire.amChoking!==t.isChoked&&(t.isChoked?t.wire.choke():t.wire.unchoke())})}_hotswap(d,i){const e=d.downloadSpeed();if(e<md.BLOCK_LENGTH)return!1;if(!this._reservations[i])return!1;const n=this._reservations[i];if(!n)return!1;let r,l,c=1/0;for(l=0;l<n.length;l++){const o=n[l];if(!o||o===d)continue;const t=o.downloadSpeed();t>=u||2*t>e||t>c||(r=o,c=t)}if(!r)return!1;for(l=0;l<n.length;l++)n[l]===r&&(n[l]=null);for(l=0;l<r.requests.length;l++){const t=r.requests[l];t.piece===i&&this.pieces[i].cancel(0|t.offset/md.BLOCK_LENGTH)}return this.emit("hotswap",r,d,i),!0}_request(m,t,e){function n(){d.nextTick(()=>{p._update()})}const p=this,r=m.requests.length,i="webSeed"===m.type;if(p.bitfield.get(t))return!1;if(r>=(i?ao(function(r,e,t){return 1+eo(1*r.downloadSpeed()/t)}(m,0,p.pieceLength),p.maxWebConns):g(m,1)))return!1;const o=p.pieces[t];let a=i?o.reserveRemaining():o.reserve();if(-1===a&&e&&p._hotswap(m,t)&&(a=i?o.reserveRemaining():o.reserve()),-1===a)return!1;let _=p._reservations[t];_||(_=p._reservations[t]=[]);let b=_.indexOf(null);-1===b&&(b=_.length),_[b]=m;const y=o.chunkOffset(a),l=i?o.chunkLengthRemaining(a):o.chunkLength(a);return m.request(t,y,l,function d(e,r){if(p.destroyed)return;if(!p.ready)return p.once("ready",()=>{d(e,r)});if(_[b]===m&&(_[b]=null),o!==p.pieces[t])return n();if(e)return p._debug("error getting piece %s (offset: %s length: %s) from %s: %s",t,y,l,`${m.remoteAddress}:${m.remotePort}`,e.message),i?o.cancelRemaining(a):o.cancel(a),void n();if(p._debug("got piece %s (offset: %s length: %s) from %s",t,y,l,`${m.remoteAddress}:${m.remotePort}`),!o.set(a,r,m))return n();const s=o.flush();qo(s,r=>{if(!p.destroyed){if(r===p._hashes[t]){if(!p.pieces[t])return;p._debug("piece verified %s",t),p.pieces[t]=null,p._reservations[t]=null,p.bitfield.set(t,!0),p.store.put(t,s),p.wires.forEach(n=>{n.have(t)}),p._checkDone()&&!p.destroyed&&p.discovery.complete()}else p.pieces[t]=new md(o.length),p.emit("warning",new Error(`Piece ${t} failed verification`));n()}})}),!0}_checkDone(){if(this.destroyed)return;this.files.forEach(n=>{if(!n.done){for(let e=n._startPiece;e<=n._endPiece;++e)if(!this.bitfield.get(e))return;n.done=!0,n.emit("done"),this._debug(`file done: ${n.name}`)}});let r=!0;for(let e=0;e<this._selections.length;e++){const o=this._selections[e];for(let e=o.from;e<=o.to;e++)if(!this.bitfield.get(e)){r=!1;break}if(!r)break}return!this.done&&r&&(this.done=!0,this._debug(`torrent done: ${this.infoHash}`),this.emit("done")),this._gcSelections(),r}load(o,d){if(this.destroyed)throw new Error("torrent is destroyed");if(!this.ready)return this.once("ready",()=>{this.load(o,d)});Array.isArray(o)||(o=[o]),d||(d=l);const a=new hd(o),n=new sd(this.store,this.pieceLength);Yr(a,n,t=>t?d(t):void(this._markAllVerified(),this._checkDone(),d(null)))}createServer(t){throw new Error("node.js-only method")}pause(){this.destroyed||(this._debug("pause"),this.paused=!0)}resume(){this.destroyed||(this._debug("resume"),this.paused=!1,this._drain())}_debug(){const n=[].slice.call(arguments);n[0]=`[${this.client._debugId}] [${this._debugId}] ${n[0]}`,t(...n)}_drain(){if(this._debug("_drain numConns %s maxConns %s",this._numConns,this.client.maxConns),"function"!=typeof oe.connect||this.destroyed||this.paused||this._numConns>=this.client.maxConns)return;this._debug("drain (%s queued, %s/%s peers)",this._numQueued,this.numPeers,this.client.maxConns);const o=this._queue.shift();if(o){this._debug("tcp connect attempt to %s",o.addr);const e=mr(o.addr),t={host:e[0],port:e[1]},n=o.conn=oe.connect(t);n.once("connect",()=>{o.onConnect()}),n.once("error",e=>{o.destroy(e)}),o.startConnectTimeout(),n.on("close",()=>{if(!this.destroyed){if(o.retries>=r.length)return void this._debug("conn %s closed: will not re-add (max %s attempts)",o.addr,r.length);const e=r[o.retries];this._debug("conn %s closed: will re-add to queue in %sms (attempt %s)",o.addr,e,o.retries+1);const t=setTimeout(()=>{const e=this._addPeer(o.addr);e&&(e.retries=o.retries+1)},e);t.unref&&t.unref()}})}}_validAddr(o){let e;try{e=mr(o)}catch(e){return!1}const d=e[0],n=e[1];return 0<n&&65535>n&&("127.0.0.1"!==d||n!==this.client.torrentPort)}}}).call(this,pe,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global);var ra={};return function(d,e,t){const{EventEmitter:n}=m,r=jo("webtorrent"),l="0.107.0".replace(/\d*./g,t=>`0${t%100}`.slice(-2)).slice(0,4);class o extends n{constructor(n={}){super(),this.peerId="string"==typeof n.peerId?n.peerId:t.isBuffer(n.peerId)?n.peerId.toString("hex"):t.from(`-WW${l}-`+ur(9).toString("base64")).toString("hex"),this.peerIdBuffer=t.from(this.peerId,"hex"),this.nodeId="string"==typeof n.nodeId?n.nodeId:t.isBuffer(n.nodeId)?n.nodeId.toString("hex"):ur(20).toString("hex"),this.nodeIdBuffer=t.from(this.nodeId,"hex"),this._debugId=this.peerId.toString("hex").substring(0,7),this.destroyed=!1,this.listening=!1,this.torrentPort=n.torrentPort||0,this.dhtPort=n.dhtPort||0,this.tracker=void 0===n.tracker?{}:n.tracker,this.torrents=[],this.maxConns=+n.maxConns||55,this._debug("new webtorrent (peerId %s, nodeId %s, port %s)",this.peerId,this.nodeId,this.torrentPort),this.tracker&&("object"!=typeof this.tracker&&(this.tracker={}),n.rtcConfig&&(console.warn("WebTorrent: opts.rtcConfig is deprecated. Use opts.tracker.rtcConfig instead"),this.tracker.rtcConfig=n.rtcConfig),n.wrtc&&(console.warn("WebTorrent: opts.wrtc is deprecated. Use opts.tracker.wrtc instead"),this.tracker.wrtc=n.wrtc),e.WRTC&&!this.tracker.wrtc&&(this.tracker.wrtc=e.WRTC)),d.nextTick(()=>{this._onListening()}),this._downloadSpeed=gr(),this._uploadSpeed=gr(),!1!==n.dht&&!1?(this.dht=new oe(Object.assign({},{nodeId:this.nodeId},n.dht)),this.dht.once("error",t=>{this._destroy(t)}),this.dht.once("listening",()=>{const t=this.dht.address();t&&(this.dhtPort=t.port)}),this.dht.setMaxListeners(0),this.dht.listen(this.dhtPort)):this.dht=!1,this.enableWebSeeds=!1!==n.webSeeds;const r=()=>{this.destroyed||(this.ready=!0,this.emit("ready"))};d.nextTick(r)}get downloadSpeed(){return this._downloadSpeed()}get uploadSpeed(){return this._uploadSpeed()}get progress(){const t=this.torrents.filter(t=>1!==t.progress);return t.reduce((n,e)=>n+e.downloaded,0)/(t.reduce((n,e)=>n+(e.length||0),0)||1)}get ratio(){return this.torrents.reduce((n,e)=>n+e.uploaded,0)/(this.torrents.reduce((n,e)=>n+e.received,0)||1)}get(t){if(!(t instanceof na)){let n;try{n=Zo(t)}catch(e){}if(!n)return null;if(!n.infoHash)throw new Error("Invalid torrent identifier");for(const t of this.torrents)if(t.infoHash===n.infoHash)return t}else if(this.torrents.includes(t))return t;return null}download(r,e,t){return console.warn("WebTorrent: client.download() is deprecated. Use client.add() instead"),this.add(r,e,t)}add(o,e={},d){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof e&&([e,d]=[{},e]);const a=()=>{if(!this.destroyed)for(const t of this.torrents)if(t.infoHash===i.infoHash&&t!==i)return void i._destroy(new Error(`Cannot add duplicate torrent ${i.infoHash}`))},r=()=>{this.destroyed||("function"==typeof d&&d(i),this.emit("torrent",i))};this._debug("add"),e=e?Object.assign({},e):{};const i=new na(o,this,e);return this.torrents.push(i),i.once("_infoHash",a),i.once("ready",r),i.once("close",function t(){i.removeListener("_infoHash",a),i.removeListener("ready",r),i.removeListener("close",t)}),i}seed(o,d,c){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof d&&([d,c]=[{},d]),this._debug("seed"),(d=d?Object.assign({},d):{}).skipVerify=!0;const u="string"==typeof o;u&&(d.path=pt.dirname(o)),d.createdBy||(d.createdBy=`WebTorrent/${l}`);const r=t=>{this._debug("on seed"),"function"==typeof c&&c(t),t.emit("seed"),this.emit("seed",t)},i=this.add(null,d,n=>{const e=[e=>u?e():void n.load(s,e)];this.dht&&e.push(e=>{n.once("dhtAnnounce",e)}),Oo(e,e=>{if(!this.destroyed)return e?n._destroy(e):void r(n)})});let s;return"undefined"!=typeof FileList&&o instanceof FileList?o=Array.from(o):Array.isArray(o)||(o=[o]),Oo(o.map(n=>e=>{(function(){return"object"==typeof n&&null!=n&&"function"==typeof n.pipe})()?q(n,e):e(null,n)}),(t,o)=>{if(!this.destroyed)return t?i._destroy(t):void Wo.parseInput(o,d,(t,e)=>{if(!this.destroyed){if(t)return i._destroy(t);s=e.map(t=>t.getStream),Wo(o,d,(r,e)=>{if(!this.destroyed){if(r)return i._destroy(r);const t=this.get(e);t?i._destroy(new Error(`Cannot add duplicate torrent ${t.infoHash}`)):i._onTorrentId(e)}})}})}),i}remove(n,e){if(this._debug("remove"),!this.get(n))throw new Error(`No torrent with id ${n}`);this._remove(n,e)}_remove(r,e){const t=this.get(r);t&&(this.torrents.splice(this.torrents.indexOf(t),1),t.destroy(e))}address(){return this.listening?this._tcpPool?this._tcpPool.server.address():{address:"0.0.0.0",family:"IPv4",port:0}:null}destroy(t){if(this.destroyed)throw new Error("client already destroyed");this._destroy(null,t)}_destroy(r,e){this._debug("client destroy"),this.destroyed=!0;const t=this.torrents.map(n=>e=>{n.destroy(e)});this._tcpPool&&t.push(t=>{this._tcpPool.destroy(t)}),this.dht&&t.push(t=>{this.dht.destroy(t)}),Oo(t,e),r&&this.emit("error",r),this.torrents=[],this._tcpPool=null,this.dht=null}_onListening(){if(this._debug("listening"),this.listening=!0,this._tcpPool){const t=this._tcpPool.server.address();t&&(this.torrentPort=t.port)}this.emit("listening")}_debug(){const t=[].slice.call(arguments);t[0]=`[${this._debugId}] ${t[0]}`,r(...t)}}o.WEBRTC_SUPPORT=td.WEBRTC_SUPPORT,o.VERSION="0.107.0",ra=o}.call(this,pe,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global,p({}).Buffer),ra});
\ No newline at end of file
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i.encodingLength(t),r=r||0,n=n||e.alloc(t.length),i._encode(t,n,r)},i._encode=function(e,t,n){var o=e.type,a=e.length;a>4294967295&&(a=1),t.writeUInt32BE(a,n),t.write(e.type,n+4,4,"ascii");var h=n+8;if(1===a&&(Ir.encode(e.length,t,h),h+=8),r.fullBoxes[o]&&(t.writeUInt32BE(e.flags||0,h),t.writeUInt8(e.version||0,h),h+=4),s[o])s[o].forEach(function(n){if(5===n.length){var r=e[n]||[];n=n.substr(0,4),r.forEach(function(e){i._encode(e,t,h),h+=i.encode.bytes})}else e[n]&&(i._encode(e[n],t,h),h+=i.encode.bytes)}),e.otherBoxes&&e.otherBoxes.forEach(function(e){i._encode(e,t,h),h+=i.encode.bytes});else if(r[o]){var c=r[o].encode;c(e,t,h),h+=c.bytes}else{if(!e.buffer)throw new Error("Either `type` must be set to a known type (not'"+o+"') or `buffer` must be set");e.buffer.copy(t,h),h+=e.buffer.length}return i.encode.bytes=h-n,t},i.readHeaders=function(e,t,n){if(t=t||0,(n=n||e.length)-t<8)return 8;var i,s,o=e.readUInt32BE(t),a=e.toString("ascii",t+4,t+8),h=t+8;if(1===o){if(n-t<16)return 16;o=Ir.decode(e,h),h+=8}return r.fullBoxes[a]&&(i=e.readUInt8(h),s=16777215&e.readUInt32BE(h),h+=4),{length:o,headersLen:h-t,contentLen:o-(h-t),type:a,version:i,flags:s}},i.decode=function(e,t,n){t=t||0,n=n||e.length;var r=i.readHeaders(e,t,n);if(!r||r.length>n-t)throw new Error("Data too short");return i.decodeWithoutHeaders(r,e,t+r.headersLen,t+r.length)},i.decodeWithoutHeaders=function(t,n,o,a){o=o||0,a=a||n.length;var h=t.type,c={};if(s[h]){c.otherBoxes=[];for(var u=s[h],d=o;a-d>=8;){var l=i.decode(n,d,a);if(d+=l.length,u.indexOf(l.type)>=0)c[l.type]=l;else if(u.indexOf(l.type+"s")>=0){var f=l.type+"s";(c[f]=c[f]||[]).push(l)}else c.otherBoxes.push(l)}}else r[h]?c=(0,r[h].decode)(n,o,a):c.buffer=e.from(n.slice(o,a));return c.length=t.length,c.contentLen=t.contentLen,c.type=t.type,c.version=t.version,c.flags=t.flags,c},i.encodingLength=function(e){var t=e.type,n=8;if(r.fullBoxes[t]&&(n+=4),s[t])s[t].forEach(function(t){if(5===t.length){var r=e[t]||[];t=t.substr(0,4),r.forEach(function(e){e.type=t,n+=i.encodingLength(e)})}else if(e[t]){var s=e[t];s.type=t,n+=i.encodingLength(s)}}),e.otherBoxes&&e.otherBoxes.forEach(function(e){n+=i.encodingLength(e)});else if(r[t])n+=r[t].encodingLength(e);else{if(!e.buffer)throw new Error("Either `type` must be set to a known type (not'"+t+"') or `buffer` must be set");n+=e.buffer.length}return n>4294967295&&(n+=8),e.length=n,n}}).call(this,d({}).Buffer)}),n=e(function(e,n){(function(e){var r=t({}),i=20828448e5;function s(e,t,n){for(var r=t;r<n;r++)e[r]=0}function o(e,t,n){t.writeUInt32BE(Math.floor((e.getTime()+i)/1e3),n)}function a(e,t,n){t.writeUIntBE(Math.floor((e.getTime()+i)/1e3),n,6)}function h(e,t,n){t.writeUInt16BE(Math.floor(e)%65536,n),t.writeUInt16BE(Math.floor(256*e*256)%65536,n+2)}function c(e,t,n){e||(e=[0,0,0,0,0,0,0,0,0]);for(var r=0;r<e.length;r++)h(e[r],t,n+4*r)}function u(e){for(var t=new Array(e.length/4),n=0;n<t.length;n++)t[n]=f(e,4*n);return t}function d(e,t){return new Date(1e3*e.readUIntBE(t,6)-i)}function l(e,t){return new Date(1e3*e.readUInt32BE(t)-i)}function f(e,t){return e.readUInt16BE(t)+e.readUInt16BE(t+2)/65536}function p(e,t){return e[t]+e[t+1]/256}function g(e,t,n){var r;for(r=0;r<n&&0!==e[t+r];r++);return e.toString("utf8",t,t+r)}n.fullBoxes={},["mvhd","tkhd","mdhd","vmhd","smhd","stsd","esds","stsz","stco","co64","stss","stts","ctts","stsc","dref","elst","hdlr","mehd","trex","mfhd","tfhd","tfdt","trun"].forEach(function(e){n.fullBoxes[e]=!0}),n.ftyp={},n.ftyp.encode=function(t,r,i){r=r?r.slice(i):e.alloc(n.ftyp.encodingLength(t));var s=t.compatibleBrands||[];r.write(t.brand,0,4,"ascii"),r.writeUInt32BE(t.brandVersion,4);for(var o=0;o<s.length;o++)r.write(s[o],8+4*o,4,"ascii");return n.ftyp.encode.bytes=8+4*s.length,r},n.ftyp.decode=function(e,t){for(var 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Mn={};(function(e){Mn=r;var t=zt("simple-peer"),n=5e3;function r(e){var t=this;if(!(t instanceof r))return new r(e);if(t._id=On(4).toString("hex").slice(0,7),t._debug("new peer %o",e),e=Object.assign({allowHalfOpen:!1},e),it.Duplex.call(t,e),t.channelName=e.initiator?e.channelName||On(20).toString("hex"):null,t.initiator=e.initiator||!1,t.channelConfig=e.channelConfig||r.channelConfig,t.config=Object.assign({},r.config,e.config),t.offerOptions=e.offerOptions||{},t.answerOptions=e.answerOptions||{},t.sdpTransform=e.sdpTransform||function(e){return e},t.streams=e.streams||(e.stream?[e.stream]:[]),t.trickle=void 0===e.trickle||e.trickle,t.allowHalfTrickle=void 0!==e.allowHalfTrickle&&e.allowHalfTrickle,t.iceCompleteTimeout=e.iceCompleteTimeout||n,t.destroyed=!1,t._connected=!1,t.remoteAddress=void 0,t.remoteFamily=void 0,t.remotePort=void 0,t.localAddress=void 0,t.localFamily=void 0,t.localPort=void 0,t._wrtc=e.wrtc&&"object"==typeof e.wrtc?e.wrtc:Un(),!t._wrtc)throw"undefined"==typeof 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i={},o={},a={},h=!1;if(r.forEach(function(e){"remotecandidate"!==e.type&&"remote-candidate"!==e.type||(i[e.id]=e),"localcandidate"!==e.type&&"local-candidate"!==e.type||(o[e.id]=e),"candidatepair"!==e.type&&"candidate-pair"!==e.type||(a[e.id]=e)}),r.forEach(function(e){"transport"===e.type&&e.selectedCandidatePairId&&u(a[e.selectedCandidatePairId]),("googCandidatePair"===e.type&&"true"===e.googActiveConnection||("candidatepair"===e.type||"candidate-pair"===e.type)&&e.selected)&&u(e)}),h||Object.keys(a).length&&!Object.keys(o).length){if(e._connecting=!1,e._connected=!0,e._chunk){try{e.send(e._chunk)}catch(n){return e.destroy(s(n,"ERR_DATA_CHANNEL"))}e._chunk=null,e._debug('sent chunk from "write before connect"');var c=e._cb;e._cb=null,c(null)}"number"!=typeof e._channel.bufferedAmountLowThreshold&&(e._interval=setInterval(function(){e._onInterval()},150),e._interval.unref&&e._interval.unref()),e._debug("connect"),e.emit("connect")}else setTimeout(t,100)}function u(t){h=!0;var n=o[t.localCandidateId];n&&(n.ip||n.address)?(e.localAddress=n.ip||n.address,e.localPort=Number(n.port)):n&&n.ipAddress?(e.localAddress=n.ipAddress,e.localPort=Number(n.portNumber)):"string"==typeof t.googLocalAddress&&(n=t.googLocalAddress.split(":"),e.localAddress=n[0],e.localPort=Number(n[1])),e.localAddress&&(e.localFamily=e.localAddress.includes(":")?"IPv6":"IPv4");var r=i[t.remoteCandidateId];r&&(r.ip||r.address)?(e.remoteAddress=r.ip||r.address,e.remotePort=Number(r.port)):r&&r.ipAddress?(e.remoteAddress=r.ipAddress,e.remotePort=Number(r.portNumber)):"string"==typeof t.googRemoteAddress&&(r=t.googRemoteAddress.split(":"),e.remoteAddress=r[0],e.remotePort=Number(r[1])),e.remoteAddress&&(e.remoteFamily=e.remoteAddress.includes(":")?"IPv6":"IPv4"),e._debug("connect local: %s:%s remote: %s:%s",e.localAddress,e.localPort,e.remoteAddress,e.remotePort)}})}())},r.prototype._onInterval=function(){!this._cb||!this._channel||this._channel.bufferedAmount>65536||this._onChannelBufferedAmountLow()},r.prototype._onSignalingStateChange=function(){var e=this;e.destroyed||("stable"!==e._pc.signalingState||e._firstStable||(e._isNegotiating=!1,e._debug("flushing sender queue",e._sendersAwaitingStable),e._sendersAwaitingStable.forEach(function(t){e._pc.removeTrack(t),e._queuedNegotiation=!0}),e._sendersAwaitingStable=[],e._queuedNegotiation&&(e._debug("flushing negotiation queue"),e._queuedNegotiation=!1,e._needsNegotiation()),e._debug("negotiate"),e.emit("negotiate")),e._firstStable=!1,e._debug("signalingStateChange %s",e._pc.signalingState),e.emit("signalingStateChange",e._pc.signalingState))},r.prototype._onIceCandidate=function(e){this.destroyed||(e.candidate&&this.trickle?this.emit("signal",{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())},r.prototype._onChannelMessage=function(t){if(!this.destroyed){var n=t.data;n instanceof ArrayBuffer&&(n=e.from(n)),this.push(n)}},r.prototype._onChannelBufferedAmountLow=function(){if(!this.destroyed&&this._cb){this._debug("ending backpressure: bufferedAmount %d",this._channel.bufferedAmount);var e=this._cb;this._cb=null,e(null)}},r.prototype._onChannelOpen=function(){this._connected||this.destroyed||(this._debug("on channel open"),this._channelReady=!0,this._maybeReady())},r.prototype._onChannelClose=function(){this.destroyed||(this._debug("on channel close"),this.destroy())},r.prototype._onTrack=function(e){var t=this;t.destroyed||e.streams.forEach(function(n){t._debug("on track"),t.emit("track",e.track,n),t._remoteTracks.push({track:e.track,stream:n}),t._remoteStreams.some(function(e){return e.id===n.id})||(t._remoteStreams.push(n),setTimeout(function(){t.emit("stream",n)},0))})},r.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this._id+"] "+e[0],t.apply(null,e)}}).call(this,d({}).Buffer);var Pn,Nn=1,Hn=function(){Nn=Nn+1&65535},jn=function(e){Pn||(Pn=setInterval(Hn,250)).unref&&Pn.unref();var t=4*(e||5),n=[0],r=1,i=Nn-1&65535;return function(e){var s=Nn-i&65535;for(s>t&&(s=t),i=Nn;s--;)r===t&&(r=0),n[r]=n[0===r?t-1:r-1],r++;e&&(n[r-1]+=e);var o=n[r-1],a=n.length<t?0:n[r===t?0:r];return n.length<4?o:4*(o-a)/n.length}},Dn={};const qn=/^\[?([^\]]+)\]?:(\d+)$/;let Fn={},Wn=0;(Dn=function(e){if(1e5===Wn&&Dn.reset(),!Fn[e]){const t=qn.exec(e);if(!t)throw new Error(`invalid addr: ${e}`);Fn[e]=[t[1],Number(t[2])],Wn+=1}return Fn[e]}).reset=function(){Fn={},Wn=0};var zn={exports:{}};function $n(e){let t=e>>3;return e%8!=0&&t++,t}zn.exports=class{constructor(e=0,t){const n=null!=t&&t.grow;this.grow=n&&isFinite(n)&&$n(n)||n||0,this.buffer="number"==typeof e?new Uint8Array($n(e)):e}get(e){const t=e>>3;return t<this.buffer.length&&!!(this.buffer[t]&128>>e%8)}set(e,t=!0){const n=e>>3;if(t){if(this.buffer.length<n+1){const e=Math.max(n+1,Math.min(2*this.buffer.length,this.grow));if(e<=this.grow){const t=new Uint8Array(e);t.set(this.buffer),this.buffer=t}}this.buffer[n]|=128>>e%8}else n<this.buffer.length&&(this.buffer[n]&=~(128>>e%8))}},zn=zn.exports;var Vn=class extends it.Writable{constructor(e,t,n={}){if(super(n),!e||!e.put||!e.get)throw new Error("First argument must be an abstract-chunk-store compliant store");if(!(t=Number(t)))throw new Error("Second argument must be a chunk length");this._blockstream=new st(t,{zeroPadding:!1}),this._outstandingPuts=0;let r=0;this._blockstream.on("data",t=>{this.destroyed||(this._outstandingPuts+=1,e.put(r,t,()=>{this._outstandingPuts-=1,0===this._outstandingPuts&&"function"==typeof this._finalCb&&(this._finalCb(null),this._finalCb=null)}),r+=1)}).on("error",e=>{this.destroy(e)})}_write(e,t,n){this._blockstream.write(e,t,n)}_final(e){this._blockstream.end(),this._blockstream.once("end",()=>{0===this._outstandingPuts?e(null):this._finalCb=e})}destroy(e){this.destroyed||(this.destroyed=!0,e&&this.emit("error",e),this.emit("close"))}},Gn={};(function(e){Gn.DEFAULT_ANNOUNCE_PEERS=50,Gn.binaryToHex=function(t){return"string"!=typeof t&&(t=String(t)),e.from(t,"binary").toString("hex")},Gn.hexToBinary=function(t){return"string"!=typeof t&&(t=String(t)),e.from(t,"hex").toString("binary")},Object.assign(Gn,ne)}).call(this,d({}).Buffer);var Kn={};(function(e,t){const n=zt("simple-websocket"),r="function"!=typeof ne?WebSocket:ne,i=65536;class s extends it.Duplex{constructor(t={}){if("string"==typeof t&&(t={url:t}),super(t=Object.assign({allowHalfOpen:!1},t)),null==t.url&&null==t.socket)throw new Error("Missing required `url` or `socket` option");if(null!=t.url&&null!=t.socket)throw new Error("Must specify either `url` or `socket` option, not both");if(this._id=On(4).toString("hex").slice(0,7),this._debug("new websocket: %o",t),this.connected=!1,this.destroyed=!1,this._chunk=null,this._cb=null,this._interval=null,t.socket)this.url=t.socket.url,this._ws=t.socket;else{this.url=t.url;try{this._ws="function"==typeof ne?new r(t.url,t):new r(t.url)}catch(_i){return void e.nextTick(()=>this.destroy(_i))}}this._ws.binaryType="arraybuffer",this._ws.onopen=(()=>{this._onOpen()}),this._ws.onmessage=(e=>{this._onMessage(e)}),this._ws.onclose=(()=>{this._onClose()}),this._ws.onerror=(()=>{this.destroy(new Error("connection error to "+this.url))}),this._onFinishBound=(()=>{this._onFinish()}),this.once("finish",this._onFinishBound)}send(e){this._ws.send(e)}destroy(e){this._destroy(e,()=>{})}_destroy(e,t){if(!this.destroyed){if(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.destroyed=!0,clearInterval(this._interval),this._interval=null,this._chunk=null,this._cb=null,this._onFinishBound&&this.removeListener("finish",this._onFinishBound),this._onFinishBound=null,this._ws){const t=this._ws,n=()=>{t.onclose=null};if(t.readyState===r.CLOSED)n();else try{t.onclose=n,t.close()}catch(e){n()}t.onopen=null,t.onmessage=null,t.onerror=(()=>{})}if(this._ws=null,e){if("undefined"!=typeof DOMException&&e instanceof DOMException){const t=e.code;(e=new Error(e.message)).code=t}this.emit("error",e)}this.emit("close"),t()}}_read(){}_write(e,t,n){if(this.destroyed)return n(new Error("cannot write after socket is destroyed"));if(this.connected){try{this.send(e)}catch(_i){return this.destroy(_i)}"function"!=typeof ne&&this._ws.bufferedAmount>i?(this._debug("start backpressure: bufferedAmount %d",this._ws.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)}_onMessage(e){if(this.destroyed)return;let n=e.data;n instanceof ArrayBuffer&&(n=t.from(n)),this.push(n)}_onOpen(){if(!this.connected&&!this.destroyed){if(this.connected=!0,this._chunk){try{this.send(this._chunk)}catch(_i){return this.destroy(_i)}this._chunk=null,this._debug('sent chunk from "write before connect"');const e=this._cb;this._cb=null,e(null)}"function"!=typeof ne&&(this._interval=setInterval(()=>this._onInterval(),150),this._interval.unref&&this._interval.unref()),this._debug("connect"),this.emit("connect")}}_onInterval(){if(!this._cb||!this._ws||this._ws.bufferedAmount>i)return;this._debug("ending backpressure: bufferedAmount %d",this._ws.bufferedAmount);const e=this._cb;this._cb=null,e(null)}_onClose(){this.destroyed||(this._debug("on close"),this.destroy())}_debug(){const e=[].slice.call(arguments);e[0]="["+this._id+"] "+e[0],n.apply(null,e)}}s.WEBSOCKET_SUPPORT=!!r,Kn=s}).call(this,ue,d({}).Buffer);var Yn=class extends l{constructor(e,t){super(),this.client=e,this.announceUrl=t,this.interval=null,this.destroyed=!1}setInterval(e){null==e&&(e=this.DEFAULT_ANNOUNCE_INTERVAL),clearInterval(this.interval),e&&(this.interval=setInterval(()=>{this.announce(this.client._defaultAnnounceOpts())},e),this.interval.unref&&this.interval.unref())}},Jn={};const Xn=zt("bittorrent-tracker:websocket-tracker"),Zn={},Qn=1e4,er=18e5,tr=12e4,nr=5e4;class rr extends Yn{constructor(e,t,n){super(e,t),Xn("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={action:"scrape",info_hash:Array.isArray(e.infoHash)&&e.infoHash.length>0?e.infoHash.map(e=>e.toString("binary")):e.infoHash&&e.infoHash.toString("binary")||this.client._infoHashBinary};this._send(t)}destroy(e=ir){if(this.destroyed)return e(null);this.destroyed=!0,clearInterval(this.interval),clearTimeout(this.reconnectTimer);for(const i in this.peers){const e=this.peers[i];clearTimeout(e.trackerTimeout),e.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,Zn[this.announceUrl]&&(Zn[this.announceUrl].consumers-=1),Zn[this.announceUrl].consumers>0)return e();let t=Zn[this.announceUrl];if(delete Zn[this.announceUrl],t.on("error",ir),t.once("close",e),!this.expectingResponse)return r();var n=setTimeout(r,Gn.DESTROY_TIMEOUT);function r(){n&&(clearTimeout(n),n=null),t.removeListener("data",r),t.destroy(),t=null}t.once("data",r)}_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=Zn[this.announceUrl],this.socket?Zn[this.announceUrl].consumers+=1:(this.socket=Zn[this.announceUrl]=new Kn(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(_i){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 Xn("ignoring websocket data from %s for %s (looking for %s: reused socket)",this.announceUrl,Gn.binaryToHex(e.info_hash),this.client.infoHash);if(e.peer_id&&e.peer_id===this.client._peerIdBinary)return;Xn("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 i=e["tracker id"];if(i&&(this._trackerId=i),null!=e.complete){const t=Object.assign({},e,{announce:this.announceUrl,infoHash:Gn.binaryToHex(e.info_hash)});this.client.emit("update",t)}let s;if(e.offer&&e.peer_id&&(Xn("creating peer (from remote offer)"),(s=this._createPeer()).id=Gn.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=Gn.binaryToHex(e.offer_id);(s=this.peers[t])?(s.id=Gn.binaryToHex(e.peer_id),s.signal(e.answer),this.client.emit("peer",s),clearTimeout(s.trackerTimeout),s.trackerTimeout=null,delete this.peers[t]):Xn(`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:Gn.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()*tr)+Math.min(Math.pow(2,this.retries)*Qn,er);this.reconnecting=!0,clearTimeout(this.reconnectTimer),this.reconnectTimer=setTimeout(()=>{this.retries++,this._openSocket()},e),this.reconnectTimer.unref&&this.reconnectTimer.unref(),Xn("reconnecting socket in %s ms",e)}_send(e){if(this.destroyed)return;this.expectingResponse=!0;const t=JSON.stringify(e);Xn("send %s",t),this.socket.send(t)}_generateOffers(e,t){const n=this,r=[];Xn("generating %s offers",e);for(let o=0;o<e;++o)i();function i(){const e=On(20).toString("hex");Xn("creating peer (from _generateOffers)");const t=n.peers[e]=n._createPeer({initiator:!0});t.once("signal",t=>{r.push({offer:t,offer_id:Gn.hexToBinary(e)}),s()}),t.trackerTimeout=setTimeout(()=>{Xn("tracker timeout: destroying peer"),t.trackerTimeout=null,delete n.peers[e],t.destroy()},nr),t.trackerTimeout.unref&&t.trackerTimeout.unref()}function s(){r.length===e&&(Xn("generated %s offers",e),t(r))}s()}_createPeer(e){const t=this;e=Object.assign({trickle:!1,config:t.client._rtcConfig,wrtc:t.client._wrtc},e);const n=new Mn(e);return n.once("error",r),n.once("connect",function e(){n.removeListener("error",r),n.removeListener("connect",e)}),n;function r(e){t.client.emit("warning",new Error(`Connection error: ${e.message}`)),n.destroy()}}}function ir(){}rr.prototype.DEFAULT_ANNOUNCE_INTERVAL=3e4,rr._socketPool=Zn,Jn=rr;var sr={};(function(e,t){const n=zt("bittorrent-tracker:client");class r extends l{constructor(r={}){if(super(),!r.peerId)throw new Error("Option `peerId` is required");if(!r.infoHash)throw new Error("Option `infoHash` is required");if(!r.announce)throw new Error("Option `announce` is required");if(!e.browser&&!r.port)throw new Error("Option `port` is required");this.peerId="string"==typeof r.peerId?r.peerId:r.peerId.toString("hex"),this._peerIdBuffer=t.from(this.peerId,"hex"),this._peerIdBinary=this._peerIdBuffer.toString("binary"),this.infoHash="string"==typeof r.infoHash?r.infoHash.toLowerCase():r.infoHash.toString("hex"),this._infoHashBuffer=t.from(this.infoHash,"hex"),this._infoHashBinary=this._infoHashBuffer.toString("binary"),n("new client %s",this.infoHash),this.destroyed=!1,this._port=r.port,this._getAnnounceOpts=r.getAnnounceOpts,this._rtcConfig=r.rtcConfig,this._userAgent=r.userAgent,this._wrtc="function"==typeof r.wrtc?r.wrtc():r.wrtc;let i="string"==typeof r.announce?[r.announce]:null==r.announce?[]:r.announce;i=i.map(e=>("/"===(e=e.toString())[e.length-1]&&(e=e.substring(0,e.length-1)),e)),i=Rn(i);const s=!1!==this._wrtc&&(!!this._wrtc||Mn.WEBRTC_SUPPORT),o=t=>{e.nextTick(()=>{this.emit("warning",t)})};this._trackers=i.map(e=>{let t;try{t=new URL(e)}catch(_i){return o(new Error(`Invalid tracker URL: ${e}`)),null}const n=t.port;if(n<0||n>65535)return o(new Error(`Invalid tracker port: ${e}`)),null;const r=t.protocol;return"http:"!==r&&"https:"!==r||"function"!=typeof ne?"udp:"===r&&"function"==typeof ne?new ne(this,e):"ws:"!==r&&"wss:"!==r||!s?(o(new Error(`Unsupported tracker protocol: ${e}`)),null):"ws:"===r&&"undefined"!=typeof window&&"https:"===window.location.protocol?(o(new Error(`Unsupported tracker protocol: ${e}`)),null):new Jn(this,e):new ne(this,e)}).filter(Boolean)}start(e){n("send `start`"),(e=this._defaultAnnounceOpts(e)).event="started",this._announce(e),this._trackers.forEach(e=>{e.setInterval()})}stop(e){n("send `stop`"),(e=this._defaultAnnounceOpts(e)).event="stopped",this._announce(e)}complete(e){n("send `complete`"),e||(e={}),(e=this._defaultAnnounceOpts(e)).event="completed",this._announce(e)}update(e){n("send `update`"),(e=this._defaultAnnounceOpts(e)).event&&delete e.event,this._announce(e)}_announce(e){this._trackers.forEach(t=>{t.announce(e)})}scrape(e){n("send `scrape`"),e||(e={}),this._trackers.forEach(t=>{t.scrape(e)})}setInterval(e){n("setInterval %d",e),this._trackers.forEach(t=>{t.setInterval(e)})}destroy(e){if(this.destroyed)return;this.destroyed=!0,n("destroy");const t=this._trackers.map(e=>t=>{e.destroy(t)});Ut(t,e),this._trackers=[],this._getAnnounceOpts=null}_defaultAnnounceOpts(e={}){return null==e.numwant&&(e.numwant=Gn.DEFAULT_ANNOUNCE_PEERS),null==e.uploaded&&(e.uploaded=0),null==e.downloaded&&(e.downloaded=0),this._getAnnounceOpts&&(e=Object.assign({},e,this._getAnnounceOpts())),e}}r.scrape=((e,n)=>{if(n=Rt(n),!e.infoHash)throw new Error("Option `infoHash` is required");if(!e.announce)throw new Error("Option `announce` is required");const i=Object.assign({},e,{infoHash:Array.isArray(e.infoHash)?e.infoHash[0]:e.infoHash,peerId:t.from("01234567890123456789"),port:6881}),s=new r(i);s.once("error",n),s.once("warning",n);let o=Array.isArray(e.infoHash)?e.infoHash.length:1;const a={};return s.on("scrape",e=>{if(o-=1,a[e.infoHash]=e,0===o){s.destroy();const e=Object.keys(a);1===e.length?n(null,a[e[0]]):n(null,a)}}),e.infoHash=Array.isArray(e.infoHash)?e.infoHash.map(e=>t.from(e,"hex")):t.from(e.infoHash,"hex"),s.scrape({infoHash:e.infoHash}),s}),sr=r}).call(this,ue,d({}).Buffer);var or={};(function(e){const t=zt("torrent-discovery"),n=l.EventEmitter;or=class extends n{constructor(t){if(super(),!t.peerId)throw new Error("Option `peerId` is required");if(!t.infoHash)throw new Error("Option `infoHash` is required");if(!e.browser&&!t.port)throw new Error("Option `port` is required");this.peerId="string"==typeof t.peerId?t.peerId:t.peerId.toString("hex"),this.infoHash="string"==typeof t.infoHash?t.infoHash.toLowerCase():t.infoHash.toString("hex"),this._port=t.port,this._userAgent=t.userAgent,this.destroyed=!1,this._announce=t.announce||[],this._intervalMs=t.intervalMs||9e5,this._trackerOpts=null,this._dhtAnnouncing=!1,this._dhtTimeout=!1,this._internalDHT=!1,this._onWarning=(e=>{this.emit("warning",e)}),this._onError=(e=>{this.emit("error",e)}),this._onDHTPeer=((e,t)=>{t.toString("hex")===this.infoHash&&this.emit("peer",`${e.host}:${e.port}`,"dht")}),this._onTrackerPeer=(e=>{this.emit("peer",e,"tracker")}),this._onTrackerAnnounce=(()=>{this.emit("trackerAnnounce")});const n=(e,t)=>{const n=new ne(t);return n.on("warning",this._onWarning),n.on("error",this._onError),n.listen(e),this._internalDHT=!0,n};!1===t.tracker?this.tracker=null:t.tracker&&"object"==typeof t.tracker?(this._trackerOpts=Object.assign({},t.tracker),this.tracker=this._createTracker()):this.tracker=this._createTracker(),!1===t.dht||"function"!=typeof ne?this.dht=null:t.dht&&"function"==typeof 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0;const{pieces:e,bitfield:t,pieceLength:n}=this._torrent,{_startPiece:r,_endPiece:i}=this,s=e[r];let o=t.get(r)?n-this.offset%n:Math.max(s.length-s.missing-this.offset,0);for(let a=r+1;a<=i;++a)if(t.get(a))o+=n;else{const t=e[a];o+=t.length-t.missing}return Math.min(o,this.length)}get progress(){return this.length?this.downloaded/this.length:0}select(e){0!==this.length&&this._torrent.select(this._startPiece,this._endPiece,e)}deselect(){0!==this.length&&this._torrent.deselect(this._startPiece,this._endPiece,!1)}createReadStream(t){if(0===this.length){const t=new n;return e.nextTick(()=>{t.end()}),t}const r=new ri(this,t);return this._torrent.select(r._startPiece,r._endPiece,!0,()=>{r._notify()}),fr(r,()=>{this._destroyed||this._torrent.destroyed||this._torrent.deselect(r._startPiece,r._endPiece,!0)}),r}getBuffer(e){ti(this.createReadStream(),this.length,e)}getBlob(e){if("undefined"==typeof window)throw new Error("browser-only method");(function(e,t){if(null!=t&&"string"!=typeof t)throw 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and peerId MUST have length 20");this._debug("handshake i=%s p=%s exts=%o",t,r,i);const a=e.from(h);a[5]|=16,i&&i.dht&&(a[7]|=1),this._push(e.concat([n,a,s,o])),this._handshakeSent=!0,this.peerExtensions.extended&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()}_sendExtendedHandshake(){const e=Object.assign({},this.extendedHandshake);e.m={};for(const t in this.extendedMapping){const n=this.extendedMapping[t];e.m[n]=Number(t)}this.extended(0,Q.encode(e)),this._extendedHandshakeSent=!0}choke(){if(!this.amChoking){for(this.amChoking=!0,this._debug("choke");this.peerRequests.length;)this.peerRequests.pop();this._push(i)}}unchoke(){this.amChoking&&(this.amChoking=!1,this._debug("unchoke"),this._push(s))}interested(){this.amInterested||(this.amInterested=!0,this._debug("interested"),this._push(o))}uninterested(){this.amInterested&&(this.amInterested=!1,this._debug("uninterested"),this._push(a))}have(e){this._debug("have %d",e),this._message(4,[e],null)}bitfield(t){this._debug("bitfield"),e.isBuffer(t)||(t=t.buffer),this._message(5,[],t)}request(e,t,n,r){return r||(r=(()=>{})),this._finished?r(new Error("wire is closed")):this.peerChoking?r(new Error("peer is choking")):(this._debug("request index=%d offset=%d length=%d",e,t,n),this.requests.push(new u(e,t,n,r)),this._updateTimeout(),void this._message(6,[e,t,n],null))}piece(e,t,n){this._debug("piece index=%d offset=%d",e,t),this.uploaded+=n.length,this.uploadSpeed(n.length),this.emit("upload",n.length),this._message(7,[e,t],n)}cancel(e,t,n){this._debug("cancel index=%d offset=%d length=%d",e,t,n),this._callback(this._pull(this.requests,e,t,n),new Error("request was cancelled"),null),this._message(8,[e,t,n],null)}port(t){this._debug("port %d",t);const n=e.from(c);n.writeUInt16BE(t,5),this._push(n)}extended(t,n){if(this._debug("extended ext=%s",t),"string"==typeof t&&this.peerExtendedMapping[t]&&(t=this.peerExtendedMapping[t]),"number"!=typeof t)throw new Error(`Unrecognized extension: ${t}`);{const r=e.from([t]),i=e.isBuffer(n)?n:Q.encode(n);this._message(20,[],e.concat([r,i]))}}_read(){}_message(t,n,r){const i=r?r.length:0,s=e.allocUnsafe(5+4*n.length);s.writeUInt32BE(s.length+i-4,0),s[4]=t;for(let e=0;e<n.length;e++)s.writeUInt32BE(n[e],5+4*e);this._push(s),r&&this._push(r)}_push(e){if(!this._finished)return this.push(e)}_onKeepAlive(){this._debug("got keep-alive"),this.emit("keep-alive")}_onHandshake(e,t,n){const r=e.toString("hex"),i=t.toString("hex");let s;for(s in this._debug("got handshake i=%s p=%s exts=%o",r,i,n),this.peerId=i,this.peerIdBuffer=t,this.peerExtensions=n,this.emit("handshake",r,i,n),this._ext)this._ext[s].onHandshake(r,i,n);n.extended&&this._handshakeSent&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()}_onChoke(){for(this.peerChoking=!0,this._debug("got choke"),this.emit("choke");this.requests.length;)this._callback(this.requests.pop(),new Error("peer is choking"),null)}_onUnchoke(){this.peerChoking=!1,this._debug("got unchoke"),this.emit("unchoke")}_onInterested(){this.peerInterested=!0,this._debug("got interested"),this.emit("interested")}_onUninterested(){this.peerInterested=!1,this._debug("got uninterested"),this.emit("uninterested")}_onHave(e){this.peerPieces.get(e)||(this._debug("got have %d",e),this.peerPieces.set(e,!0),this.emit("have",e))}_onBitField(e){this.peerPieces=new zn(e),this._debug("got bitfield"),this.emit("bitfield",this.peerPieces)}_onRequest(e,t,n){if(this.amChoking)return;this._debug("got request index=%d offset=%d length=%d",e,t,n);const r=(r,s)=>{if(i===this._pull(this.peerRequests,e,t,n))return r?this._debug("error satisfying request index=%d offset=%d length=%d (%s)",e,t,n,r.message):void this.piece(e,t,s)};var i=new u(e,t,n,r);this.peerRequests.push(i),this.emit("request",e,t,n,r)}_onPiece(e,t,n){this._debug("got piece index=%d 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ext=%s",e),this.emit("extended",e,t)}_onTimeout(){this._debug("request timed out"),this._callback(this.requests.shift(),new Error("request has timed out"),null),this.emit("timeout")}_write(t,n,r){for(this._bufferSize+=t.length,this._buffer.push(t);this._bufferSize>=this._parserSize;){const t=1===this._buffer.length?this._buffer[0]:e.concat(this._buffer);this._bufferSize-=this._parserSize,this._buffer=this._bufferSize?[t.slice(this._parserSize)]:[],this._parser(t.slice(0,this._parserSize))}r(null)}_callback(e,t,n){e&&(this._clearTimeout(),this.peerChoking||this._finished||this._updateTimeout(),e.callback(t,n))}_clearTimeout(){this._timeout&&(clearTimeout(this._timeout),this._timeout=null)}_updateTimeout(){this._timeoutMs&&this.requests.length&&!this._timeout&&(this._timeout=setTimeout(()=>this._onTimeout(),this._timeoutMs),this._timeoutUnref&&this._timeout.unref&&this._timeout.unref())}_parse(e,t){this._parserSize=e,this._parser=t}_onMessageLength(e){const t=e.readUInt32BE(0);t>0?this._parse(t,this._onMessage):(this._onKeepAlive(),this._parse(4,this._onMessageLength))}_onMessage(e){switch(this._parse(4,this._onMessageLength),e[0]){case 0:return this._onChoke();case 1:return this._onUnchoke();case 2:return this._onInterested();case 3:return this._onUninterested();case 4:return this._onHave(e.readUInt32BE(1));case 5:return this._onBitField(e.slice(1));case 6:return this._onRequest(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 7:return this._onPiece(e.readUInt32BE(1),e.readUInt32BE(5),e.slice(9));case 8:return this._onCancel(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 9:return this._onPort(e.readUInt16BE(1));case 20:return this._onExtended(e.readUInt8(1),e.slice(2));default:return this._debug("got unknown message"),this.emit("unknownmessage",e)}}_parseHandshake(){this._parse(1,e=>{const t=e.readUInt8(0);this._parse(t+48,e=>{const n=e.slice(0,t);if("BitTorrent protocol"!==n.toString())return this._debug("Error: wire not speaking BitTorrent protocol (%s)",n.toString()),void this.end();e=e.slice(t),this._onHandshake(e.slice(8,28),e.slice(28,48),{dht:!!(1&e[7]),extended:!!(16&e[5])}),this._parse(4,this._onMessageLength)})})}_onFinish(){for(this._finished=!0,this.push(null);this.read(););for(clearInterval(this._keepAliveInterval),this._parse(Number.MAX_VALUE,()=>{});this.peerRequests.length;)this.peerRequests.pop();for(;this.requests.length;)this._callback(this.requests.pop(),new Error("wire was closed"),null)}_debug(...e){e[0]=`[${this._debugId}] ${e[0]}`,t(...e)}_pull(e,t,n,r){for(let i=0;i<e.length;i++){const s=e[i];if(s.piece===t&&s.offset===n&&s.length===r)return si(e,i),s}return null}}}).call(this,d({}).Buffer);var ai="0.107.1",hi={};(function(e){const t=zt("webtorrent:webconn"),n=ai;hi=class extends oi{constructor(e,t){super(),this.url=e,this.webPeerId=Nt.sync(e),this._torrent=t,this._init()}_init(){this.setKeepAlive(!0),this.once("handshake",(e,t)=>{if(this.destroyed)return;this.handshake(e,this.webPeerId);const n=this._torrent.pieces.length,r=new zn(n);for(let i=0;i<=n;i++)r.set(i,!0);this.bitfield(r)}),this.once("interested",()=>{t("interested"),this.unchoke()}),this.on("uninterested",()=>{t("uninterested")}),this.on("choke",()=>{t("choke")}),this.on("unchoke",()=>{t("unchoke")}),this.on("bitfield",()=>{t("bitfield")}),this.on("request",(e,n,r,i)=>{t("request pieceIndex=%d offset=%d length=%d",e,n,r),this.httpRequest(e,n,r,i)})}httpRequest(r,i,s,o){const a=r*this._torrent.pieceLength+i,h=a+s-1,c=this._torrent.files;let u;if(c.length<=1)u=[{url:this.url,start:a,end:h}];else{const e=c.filter(e=>e.offset<=h&&e.offset+e.length>a);if(e.length<1)return o(new Error("Could not find file corresponnding to web seed range request"));u=e.map(e=>{const t=e.offset+e.length-1;return{url:this.url+("/"===this.url[this.url.length-1]?"":"/")+e.path,fileOffsetInRange:Math.max(e.offset-a,0),start:Math.max(a-e.offset,0),end:Math.min(t,h-e.offset)}})}let d,l=0,f=!1;u.length>1&&(d=e.alloc(s)),u.forEach(e=>{const a=e.url,h=e.start,c=e.end;t("Requesting url=%s pieceIndex=%d offset=%d length=%d start=%d end=%d",a,r,i,s,h,c);const p={url:a,method:"GET",headers:{"user-agent":`WebTorrent/${n} (https://webtorrent.io)`,range:`bytes=${h}-${c}`}};function g(n,r){if(n.statusCode<200||n.statusCode>=300)return f=!0,o(new Error(`Unexpected HTTP status code ${n.statusCode}`));t("Got data of length %d",r.length),1===u.length?o(null,r):(r.copy(d,e.fileOffsetInRange),++l===u.length&&o(null,d))}Tn.concat(p,(e,t,n)=>{if(!f)return e?"undefined"==typeof window||a.startsWith(`${window.location.origin}/`)?(f=!0,o(e)):Tn.head(a,(t,n)=>{if(!f){if(t)return f=!0,o(t);if(n.statusCode<200||n.statusCode>=300)return f=!0,o(new Error(`Unexpected HTTP status code ${n.statusCode}`));if(n.url===a)return f=!0,o(e);p.url=n.url,Tn.concat(p,(e,t,n)=>{if(!f)return e?(f=!0,o(e)):void g(t,n)})}}):void g(t,n)})})}destroy(){super.destroy(),this._torrent=null}}}).call(this,d({}).Buffer);var ci={};const ui=zt("webtorrent:peer"),di=5e3,li=25e3,fi=25e3;ci.createWebRTCPeer=((e,t)=>{const n=new pi(e.id,"webrtc");return n.conn=e,n.swarm=t,n.conn.connected?n.onConnect():(n.conn.once("connect",()=>{n.onConnect()}),n.conn.once("error",e=>{n.destroy(e)}),n.startConnectTimeout()),n}),ci.createTCPOutgoingPeer=((e,t)=>{const n=new pi(e,"tcpOutgoing");return n.addr=e,n.swarm=t,n}),ci.createWebSeedPeer=((e,t)=>{const n=new pi(e,"webSeed");return n.swarm=t,n.conn=new hi(e,t),n.onConnect(),n});class pi{constructor(e,t){this.id=e,this.type=t,ui("new %s Peer %s",t,e),this.addr=null,this.conn=null,this.swarm=null,this.wire=null,this.connected=!1,this.destroyed=!1,this.timeout=null,this.retries=0,this.sentHandshake=!1}onConnect(){if(this.destroyed)return;this.connected=!0,ui("Peer %s connected",this.id),clearTimeout(this.connectTimeout);const e=this.conn;e.once("end",()=>{this.destroy()}),e.once("close",()=>{this.destroy()}),e.once("finish",()=>{this.destroy()}),e.once("error",e=>{this.destroy(e)});const t=this.wire=new oi;t.type=this.type,t.once("end",()=>{this.destroy()}),t.once("close",()=>{this.destroy()}),t.once("finish",()=>{this.destroy()}),t.once("error",e=>{this.destroy(e)}),t.once("handshake",(e,t)=>{this.onHandshake(e,t)}),this.startHandshakeTimeout(),e.pipe(t).pipe(e),this.swarm&&!this.sentHandshake&&this.handshake()}onHandshake(e,t){if(!this.swarm)return;if(this.destroyed)return;if(this.swarm.destroyed)return this.destroy(new Error("swarm already destroyed"));if(e!==this.swarm.infoHash)return this.destroy(new Error("unexpected handshake info hash for this swarm"));if(t===this.swarm.peerId)return this.destroy(new Error("refusing to connect to ourselves"));ui("Peer %s got handshake %s",this.id,e),clearTimeout(this.handshakeTimeout),this.retries=0;let n=this.addr;!n&&this.conn.remoteAddress&&this.conn.remotePort&&(n=`${this.conn.remoteAddress}:${this.conn.remotePort}`),this.swarm._onWire(this.wire,n),this.swarm&&!this.swarm.destroyed&&(this.sentHandshake||this.handshake())}handshake(){const e={dht:!this.swarm.private&&!!this.swarm.client.dht};this.wire.handshake(this.swarm.infoHash,this.swarm.client.peerId,e),this.sentHandshake=!0}startConnectTimeout(){clearTimeout(this.connectTimeout),this.connectTimeout=setTimeout(()=>{this.destroy(new Error("connect timeout"))},"webrtc"===this.type?li:di),this.connectTimeout.unref&&this.connectTimeout.unref()}startHandshakeTimeout(){clearTimeout(this.handshakeTimeout),this.handshakeTimeout=setTimeout(()=>{this.destroy(new Error("handshake timeout"))},fi),this.handshakeTimeout.unref&&this.handshakeTimeout.unref()}destroy(e){if(this.destroyed)return;this.destroyed=!0,this.connected=!1,ui("destroy %s (error: %s)",this.id,e&&(e.message||e)),clearTimeout(this.connectTimeout),clearTimeout(this.handshakeTimeout);const t=this.swarm,n=this.conn,r=this.wire;this.swarm=null,this.conn=null,this.wire=null,t&&r&&si(t.wires,t.wires.indexOf(r)),n&&(n.on("error",()=>{}),n.destroy()),r&&r.destroy(),t&&t.removePeer(this.id)}}var gi={};(function(e,t){const n=zt("webtorrent:torrent"),r=l.EventEmitter,i=3*ur.BLOCK_LENGTH,s=e.browser?1/0:2,o=[1e3,5e3,15e3],a=`WebTorrent/${ai} (https://webtorrent.io)`;let h;try{h=ut.join(wt.statSync("/tmp")&&"/tmp","webtorrent")}catch(_i){h=ut.join("function"==typeof ne.tmpdir?ne.tmpdir():"/","webtorrent")}function c(e,t){return 2+Math.ceil(t*e.downloadSpeed()/ur.BLOCK_LENGTH)}function u(){}gi=class extends r{constructor(e,t,n){super(),this._debugId="unknown infohash",this.client=t,this.announce=n.announce,this.urlList=n.urlList,this.path=n.path,this.skipVerify=!!n.skipVerify,this._store=n.store||ar,this._getAnnounceOpts=n.getAnnounceOpts,this.strategy=n.strategy||"sequential",this.maxWebConns=n.maxWebConns||4,this._rechokeNumSlots=!1===n.uploads||0===n.uploads?0:+n.uploads||10,this._rechokeOptimisticWire=null,this._rechokeOptimisticTime=0,this._rechokeIntervalId=null,this.ready=!1,this.destroyed=!1,this.paused=!1,this.done=!1,this.metadata=null,this.store=null,this.files=[],this.pieces=[],this._amInterested=!1,this._selections=[],this._critical=[],this.wires=[],this._queue=[],this._peers={},this._peersLength=0,this.received=0,this.uploaded=0,this._downloadSpeed=jn(),this._uploadSpeed=jn(),this._servers=[],this._xsRequests=[],this._fileModtimes=n.fileModtimes,null!==e&&this._onTorrentId(e),this._debug("new torrent")}get timeRemaining(){return this.done?0:0===this.downloadSpeed?1/0:(this.length-this.downloaded)/this.downloadSpeed*1e3}get downloaded(){if(!this.bitfield)return 0;let e=0;for(let t=0,n=this.pieces.length;t<n;++t)if(this.bitfield.get(t))e+=t===n-1?this.lastPieceLength:this.pieceLength;else{const n=this.pieces[t];e+=n.length-n.missing}return e}get downloadSpeed(){return this._downloadSpeed()}get uploadSpeed(){return this._uploadSpeed()}get progress(){return this.length?this.downloaded/this.length:0}get ratio(){return this.uploaded/(this.received||1)}get numPeers(){return this.wires.length}get torrentFileBlobURL(){if("undefined"==typeof window)throw new Error("browser-only property");return this.torrentFile?URL.createObjectURL(new Blob([this.torrentFile],{type:"application/x-bittorrent"})):null}get _numQueued(){return this._queue.length+(this._peersLength-this._numConns)}get _numConns(){let e=0;for(const t in this._peers)this._peers[t].connected&&(e+=1);return e}get swarm(){return console.warn("WebTorrent: `torrent.swarm` is deprecated. Use `torrent` directly instead."),this}_onTorrentId(t){if(this.destroyed)return;let n;try{n=Ln(t)}catch(_i){}n?(this.infoHash=n.infoHash,this._debugId=n.infoHash.toString("hex").substring(0,7),e.nextTick(()=>{this.destroyed||this._onParsedTorrent(n)})):Ln.remote(t,(e,t)=>{if(!this.destroyed)return e?this._destroy(e):void this._onParsedTorrent(t)})}_onParsedTorrent(e){if(!this.destroyed){if(this._processParsedTorrent(e),!this.infoHash)return this._destroy(new Error("Malformed torrent data: No info hash"));this.path||(this.path=ut.join(h,this.infoHash)),this._rechokeIntervalId=setInterval(()=>{this._rechoke()},1e4),this._rechokeIntervalId.unref&&this._rechokeIntervalId.unref(),this.emit("_infoHash",this.infoHash),this.destroyed||(this.emit("infoHash",this.infoHash),this.destroyed||(this.client.listening?this._onListening():this.client.once("listening",()=>{this._onListening()})))}}_processParsedTorrent(e){this._debugId=e.infoHash.toString("hex").substring(0,7),this.announce&&(e.announce=e.announce.concat(this.announce)),this.client.tracker&&t.WEBTORRENT_ANNOUNCE&&!this.private&&(e.announce=e.announce.concat(t.WEBTORRENT_ANNOUNCE)),this.urlList&&(e.urlList=e.urlList.concat(this.urlList)),Rn(e.announce),Rn(e.urlList),Object.assign(this,e),this.magnetURI=Ln.toMagnetURI(e),this.torrentFile=Ln.toTorrentFile(e)}_onListening(){if(this.discovery||this.destroyed)return;let e=this.client.tracker;e&&(e=Object.assign({},this.client.tracker,{getAnnounceOpts:()=>{const e={uploaded:this.uploaded,downloaded:this.downloaded,left:Math.max(this.length-this.downloaded,0)};return this.client.tracker.getAnnounceOpts&&Object.assign(e,this.client.tracker.getAnnounceOpts()),this._getAnnounceOpts&&Object.assign(e,this._getAnnounceOpts()),e}})),this.discovery=new or({infoHash:this.infoHash,announce:this.announce,peerId:this.client.peerId,dht:!this.private&&this.client.dht,tracker:e,port:this.client.torrentPort,userAgent:a}),this.discovery.on("error",e=>{this._destroy(e)}),this.discovery.on("peer",e=>{"string"==typeof e&&this.done||this.addPeer(e)}),this.discovery.on("trackerAnnounce",()=>{this.emit("trackerAnnounce"),0===this.numPeers&&this.emit("noPeers","tracker")}),this.discovery.on("dhtAnnounce",()=>{this.emit("dhtAnnounce"),0===this.numPeers&&this.emit("noPeers","dht")}),this.discovery.on("warning",e=>{this.emit("warning",e)}),this.info?this._onMetadata(this):this.xs&&this._getMetadataFromServer()}_getMetadataFromServer(){const e=this,t=(Array.isArray(this.xs)?this.xs:[this.xs]).map(t=>n=>{!function(t,n){if(0!==t.indexOf("http://")&&0!==t.indexOf("https://"))return e.emit("warning",new Error(`skipping non-http xs param: ${t}`)),n(null);const r={url:t,method:"GET",headers:{"user-agent":a}};let i;try{i=Tn.concat(r,function(r,i,s){if(e.destroyed)return n(null);if(e.metadata)return n(null);if(r)return e.emit("warning",new Error(`http error from xs param: ${t}`)),n(null);if(200!==i.statusCode)return e.emit("warning",new Error(`non-200 status code ${i.statusCode} from xs param: ${t}`)),n(null);let o;try{o=Ln(s)}catch(r){}return o?o.infoHash!==e.infoHash?(e.emit("warning",new Error(`got torrent file with incorrect info hash from xs param: ${t}`)),n(null)):(e._onMetadata(o),void n(null)):(e.emit("warning",new Error(`got invalid torrent file from xs param: ${t}`)),n(null))})}catch(_i){return e.emit("warning",new Error(`skipping invalid url xs param: ${t}`)),n(null)}e._xsRequests.push(i)}(t,n)});Ut(t)}_onMetadata(e){if(this.metadata||this.destroyed)return;let t;if(this._debug("got metadata"),this._xsRequests.forEach(e=>{e.abort()}),this._xsRequests=[],e&&e.infoHash)t=e;else try{t=Ln(e)}catch(_i){return this._destroy(_i)}if(this._processParsedTorrent(t),this.metadata=this.torrentFile,this.client.enableWebSeeds&&this.urlList.forEach(e=>{this.addWebSeed(e)}),this._rarityMap=new class{constructor(e){this._torrent=e,this._numPieces=e.pieces.length,this._pieces=new Array(this._numPieces),this._onWire=(e=>{this.recalculate(),this._initWire(e)}),this._onWireHave=(e=>{this._pieces[e]+=1}),this._onWireBitfield=(()=>{this.recalculate()}),this._torrent.wires.forEach(e=>{this._initWire(e)}),this._torrent.on("wire",this._onWire),this.recalculate()}getRarestPiece(e){let t=[],n=1/0;for(let r=0;r<this._numPieces;++r){if(e&&!e(r))continue;const i=this._pieces[r];i===n?t.push(r):i<n&&(t=[r],n=i)}return t.length?t[Math.random()*t.length|0]:-1}destroy(){this._torrent.removeListener("wire",this._onWire),this._torrent.wires.forEach(e=>{this._cleanupWireEvents(e)}),this._torrent=null,this._pieces=null,this._onWire=null,this._onWireHave=null,this._onWireBitfield=null}_initWire(e){e._onClose=(()=>{this._cleanupWireEvents(e);for(let t=0;t<this._numPieces;++t)this._pieces[t]-=e.peerPieces.get(t)}),e.on("have",this._onWireHave),e.on("bitfield",this._onWireBitfield),e.once("close",e._onClose)}recalculate(){this._pieces.fill(0);for(const e of this._torrent.wires)for(let t=0;t<this._numPieces;++t)this._pieces[t]+=e.peerPieces.get(t)}_cleanupWireEvents(e){e.removeListener("have",this._onWireHave),e.removeListener("bitfield",this._onWireBitfield),e._onClose&&e.removeListener("close",e._onClose),e._onClose=null}}(this),this.store=new hr(new this._store(this.pieceLength,{torrent:{infoHash:this.infoHash},files:this.files.map(e=>({path:ut.join(this.path,e.path),length:e.length,offset:e.offset})),length:this.length,name:this.infoHash})),this.files=this.files.map(e=>new ii(this,e)),this.so){const e=mr.parse(this.so);this.files.forEach((t,n)=>{e.includes(n)&&this.files[n].select(!0)})}else 0!==this.pieces.length&&this.select(0,this.pieces.length-1,!1);if(this._hashes=this.pieces,this.pieces=this.pieces.map((e,t)=>{const n=t===this.pieces.length-1?this.lastPieceLength:this.pieceLength;return new ur(n)}),this._reservations=this.pieces.map(()=>[]),this.bitfield=new zn(this.pieces.length),this.wires.forEach(e=>{e.ut_metadata&&e.ut_metadata.setMetadata(this.metadata),this._onWireWithMetadata(e)}),this.skipVerify)this._markAllVerified(),this._onStore();else{const e=e=>{if(e)return this._destroy(e);this._debug("done verifying"),this._onStore()};this._debug("verifying existing torrent data"),this._fileModtimes&&this._store===ar?this.getFileModtimes((t,n)=>{if(t)return this._destroy(t);this.files.map((e,t)=>n[t]===this._fileModtimes[t]).every(e=>e)?(this._markAllVerified(),this._onStore()):this._verifyPieces(e)}):this._verifyPieces(e)}this.emit("metadata")}getFileModtimes(e){const t=[];cr(this.files.map((e,n)=>r=>{wt.stat(ut.join(this.path,e.path),(e,i)=>{if(e&&"ENOENT"!==e.code)return r(e);t[n]=i&&i.mtime.getTime(),r(null)})}),s,n=>{this._debug("done getting file modtimes"),e(n,t)})}_verifyPieces(t){cr(this.pieces.map((t,n)=>t=>{if(this.destroyed)return t(new Error("torrent is destroyed"));this.store.get(n,(r,i)=>this.destroyed?t(new Error("torrent is destroyed")):r?e.nextTick(t,null):void Nt(i,e=>{if(this.destroyed)return t(new Error("torrent is destroyed"));if(e===this._hashes[n]){if(!this.pieces[n])return t(null);this._debug("piece verified %s",n),this._markVerified(n)}else this._debug("piece invalid %s",n);t(null)}))}),s,t)}rescanFiles(e){if(this.destroyed)throw new Error("torrent is destroyed");e||(e=u),this._verifyPieces(t=>{if(t)return this._destroy(t),e(t);this._checkDone(),e(null)})}_markAllVerified(){for(let e=0;e<this.pieces.length;e++)this._markVerified(e)}_markVerified(e){this.pieces[e]=null,this._reservations[e]=null,this.bitfield.set(e,!0)}_onStore(){this.destroyed||(this._debug("on store"),this.ready=!0,this.emit("ready"),this._checkDone(),this._updateSelections())}destroy(e){this._destroy(null,e)}_destroy(e,t){if(this.destroyed)return;this.destroyed=!0,this._debug("destroy"),this.client._remove(this),clearInterval(this._rechokeIntervalId),this._xsRequests.forEach(e=>{e.abort()}),this._rarityMap&&this._rarityMap.destroy();for(const r in this._peers)this.removePeer(r);this.files.forEach(e=>{e instanceof ii&&e._destroy()});const n=this._servers.map(e=>t=>{e.destroy(t)});this.discovery&&n.push(e=>{this.discovery.destroy(e)}),this.store&&n.push(e=>{this.store.close(e)}),Ut(n,t),e&&(0===this.listenerCount("error")?this.client.emit("error",e):this.emit("error",e)),this.emit("close"),this.client=null,this.files=[],this.discovery=null,this.store=null,this._rarityMap=null,this._peers=null,this._servers=null,this._xsRequests=null}addPeer(e){if(this.destroyed)throw new Error("torrent is destroyed");if(!this.infoHash)throw new Error("addPeer() must not be called before the `infoHash` event");if(this.client.blocked){let t;if("string"==typeof e){let r;try{r=Dn(e)}catch(n){return this._debug("ignoring peer: invalid %s",e),this.emit("invalidPeer",e),!1}t=r[0]}else"string"==typeof e.remoteAddress&&(t=e.remoteAddress);if(t&&this.client.blocked.contains(t))return this._debug("ignoring peer: blocked %s",e),"string"!=typeof e&&e.destroy(),this.emit("blockedPeer",e),!1}const t=!!this._addPeer(e);return t?this.emit("peer",e):this.emit("invalidPeer",e),t}_addPeer(e){if(this.destroyed)return"string"!=typeof e&&e.destroy(),null;if("string"==typeof e&&!this._validAddr(e))return this._debug("ignoring peer: invalid %s",e),null;const t=e&&e.id||e;if(this._peers[t])return this._debug("ignoring peer: duplicate (%s)",t),"string"!=typeof e&&e.destroy(),null;if(this.paused)return this._debug("ignoring peer: torrent is paused"),"string"!=typeof e&&e.destroy(),null;let n;return this._debug("add peer %s",t),n="string"==typeof e?ci.createTCPOutgoingPeer(e,this):ci.createWebRTCPeer(e,this),this._peers[n.id]=n,this._peersLength+=1,"string"==typeof e&&(this._queue.push(n),this._drain()),n}addWebSeed(e){if(this.destroyed)throw new Error("torrent is destroyed");if(!/^https?:\/\/.+/.test(e))return this.emit("warning",new Error(`ignoring invalid web seed: ${e}`)),void this.emit("invalidPeer",e);if(this._peers[e])return this.emit("warning",new Error(`ignoring duplicate web seed: ${e}`)),void this.emit("invalidPeer",e);this._debug("add web seed %s",e);const t=ci.createWebSeedPeer(e,this);this._peers[t.id]=t,this._peersLength+=1,this.emit("peer",e)}_addIncomingPeer(e){return this.destroyed?e.destroy(new Error("torrent is destroyed")):this.paused?e.destroy(new Error("torrent is paused")):(this._debug("add incoming peer %s",e.id),this._peers[e.id]=e,void(this._peersLength+=1))}removePeer(e){const t=e&&e.id||e;(e=this._peers[t])&&(this._debug("removePeer %s",t),delete this._peers[t],this._peersLength-=1,e.destroy(),this._drain())}select(e,t,n,r){if(this.destroyed)throw new Error("torrent is destroyed");if(e<0||t<e||this.pieces.length<=t)throw new Error(`invalid selection ${e} : ${t}`);n=Number(n)||0,this._debug("select %s-%s (priority %s)",e,t,n),this._selections.push({from:e,to:t,offset:0,priority:n,notify:r||u}),this._selections.sort((e,t)=>t.priority-e.priority),this._updateSelections()}deselect(e,t,n){if(this.destroyed)throw new Error("torrent is destroyed");n=Number(n)||0,this._debug("deselect %s-%s (priority %s)",e,t,n);for(let r=0;r<this._selections.length;++r){const i=this._selections[r];if(i.from===e&&i.to===t&&i.priority===n){this._selections.splice(r,1);break}}this._updateSelections()}critical(e,t){if(this.destroyed)throw new Error("torrent is destroyed");this._debug("critical %s-%s",e,t);for(let n=e;n<=t;++n)this._critical[n]=!0;this._updateSelections()}_onWire(t,n){if(this._debug("got wire %s (%s)",t._debugId,n||"Unknown"),t.on("download",e=>{this.destroyed||(this.received+=e,this._downloadSpeed(e),this.client._downloadSpeed(e),this.emit("download",e),this.client.emit("download",e))}),t.on("upload",e=>{this.destroyed||(this.uploaded+=e,this._uploadSpeed(e),this.client._uploadSpeed(e),this.emit("upload",e),this.client.emit("upload",e))}),this.wires.push(t),n){const e=Dn(n);t.remoteAddress=e[0],t.remotePort=e[1]}this.client.dht&&this.client.dht.listening&&t.on("port",e=>{if(!this.destroyed&&!this.client.dht.destroyed){if(!t.remoteAddress)return this._debug("ignoring PORT from peer with no address");if(0===e||e>65536)return this._debug("ignoring invalid PORT from peer");this._debug("port: %s (from %s)",e,n),this.client.dht.addNode({host:t.remoteAddress,port:e})}}),t.on("timeout",()=>{this._debug("wire timeout (%s)",n),t.destroy()}),t.setTimeout(3e4,!0),t.setKeepAlive(!0),t.use(gr(this.metadata)),t.ut_metadata.on("warning",e=>{this._debug("ut_metadata warning: %s",e.message)}),this.metadata||(t.ut_metadata.on("metadata",e=>{this._debug("got metadata via ut_metadata"),this._onMetadata(e)}),t.ut_metadata.fetch()),"function"!=typeof ne||this.private||(t.use(ne()),t.ut_pex.on("peer",e=>{this.done||(this._debug("ut_pex: got peer: %s (from %s)",e,n),this.addPeer(e))}),t.ut_pex.on("dropped",e=>{const t=this._peers[e];t&&!t.connected&&(this._debug("ut_pex: dropped peer: %s (from %s)",e,n),this.removePeer(e))}),t.once("close",()=>{t.ut_pex.reset()})),this.emit("wire",t,n),this.metadata&&e.nextTick(()=>{this._onWireWithMetadata(t)})}_onWireWithMetadata(e){let t=null;const n=()=>{this.destroyed||e.destroyed||(this._numQueued>2*(this._numConns-this.numPeers)&&e.amInterested?e.destroy():(t=setTimeout(n,5e3)).unref&&t.unref())};let r;const i=()=>{if(e.peerPieces.buffer.length===this.bitfield.buffer.length){for(r=0;r<this.pieces.length;++r)if(!e.peerPieces.get(r))return;e.isSeeder=!0,e.choke()}};e.on("bitfield",()=>{i(),this._update()}),e.on("have",()=>{i(),this._update()}),e.once("interested",()=>{e.unchoke()}),e.once("close",()=>{clearTimeout(t)}),e.on("choke",()=>{clearTimeout(t),(t=setTimeout(n,5e3)).unref&&t.unref()}),e.on("unchoke",()=>{clearTimeout(t),this._update()}),e.on("request",(t,n,r,i)=>{if(r>131072)return e.destroy();this.pieces[t]||this.store.get(t,{offset:n,length:r},i)}),e.bitfield(this.bitfield),e.uninterested(),e.peerExtensions.dht&&this.client.dht&&this.client.dht.listening&&e.port(this.client.dht.address().port),"webSeed"!==e.type&&(t=setTimeout(n,5e3)).unref&&t.unref(),e.isSeeder=!1,i()}_updateSelections(){this.ready&&!this.destroyed&&(e.nextTick(()=>{this._gcSelections()}),this._updateInterest(),this._update())}_gcSelections(){for(let e=0;e<this._selections.length;++e){const t=this._selections[e],n=t.offset;for(;this.bitfield.get(t.from+t.offset)&&t.from+t.offset<t.to;)t.offset+=1;n!==t.offset&&t.notify(),t.to===t.from+t.offset&&this.bitfield.get(t.from+t.offset)&&(this._selections.splice(e,1),e-=1,t.notify(),this._updateInterest())}this._selections.length||this.emit("idle")}_updateInterest(){const e=this._amInterested;this._amInterested=!!this._selections.length,this.wires.forEach(e=>{let t=!1;for(let n=0;n<this.pieces.length;++n)if(this.pieces[n]&&e.peerPieces.get(n)){t=!0;break}t?e.interested():e.uninterested()}),e!==this._amInterested&&(this._amInterested?this.emit("interested"):this.emit("uninterested"))}_update(){if(this.destroyed)return;const e=(t=this.wires,n=0,function(){if(n===t.length)return null;var e=t.length-n,r=Math.random()*e|0,i=t[n+r],s=t[n];return t[n]=i,t[n+r]=s,n++,i});var t,n;let r;for(;r=e();)this._updateWireWrapper(r)}_updateWireWrapper(e){const t=this;"undefined"!=typeof window&&"function"==typeof window.requestIdleCallback?window.requestIdleCallback(function(){t._updateWire(e)}):t._updateWire(e)}_updateWire(e){const t=this;if(e.peerChoking)return;if(!e.downloaded)return function(){if(e.requests.length)return;let n=t._selections.length;for(;n--;){const r=t._selections[n];let i;if("rarest"===t.strategy){const n=r.from+r.offset,o=r.to,a=o-n+1,h={};let c=0;const u=s(n,o,h);for(;c<a&&!((i=t._rarityMap.getRarestPiece(u))<0);){if(t._request(e,i,!1))return;h[i]=!0,c+=1}}else for(i=r.to;i>=r.from+r.offset;--i)if(e.peerPieces.get(i)&&t._request(e,i,!1))return}}();const n=c(e,.5);if(e.requests.length>=n)return;const r=c(e,1);function s(t,n,r,i){return s=>s>=t&&s<=n&&!(s in r)&&e.peerPieces.get(s)&&(!i||i(s))}function o(e){let n=e;for(let i=e;i<t._selections.length&&t._selections[i].priority;i++)n=i;const r=t._selections[e];t._selections[e]=t._selections[n],t._selections[n]=r}function a(n){if(e.requests.length>=r)return!0;const a=function(){const n=e.downloadSpeed()||1;if(n>i)return()=>!0;const r=Math.max(1,e.requests.length)*ur.BLOCK_LENGTH/n;let s=10,o=0;return e=>{if(!s||t.bitfield.get(e))return!0;let a=t.pieces[e].missing;for(;o<t.wires.length;o++){const h=t.wires[o],c=h.downloadSpeed();if(!(c<i)&&!(c<=n)&&h.peerPieces.get(e)&&!((a-=c*r)>0))return s--,!1}return!0}}();for(let i=0;i<t._selections.length;i++){const h=t._selections[i];let c;if("rarest"===t.strategy){const u=h.from+h.offset,d=h.to,l=d-u+1,f={};let p=0;const g=s(u,d,f,a);for(;p<l&&!((c=t._rarityMap.getRarestPiece(g))<0);){for(;t._request(e,c,t._critical[c]||n););if(!(e.requests.length<r))return h.priority&&o(i),!0;f[c]=!0,p++}}else for(c=h.from+h.offset;c<=h.to;c++)if(e.peerPieces.get(c)&&a(c)){for(;t._request(e,c,t._critical[c]||n););if(!(e.requests.length<r))return h.priority&&o(i),!0}}return!1}a(!1)||a(!0)}_rechoke(){if(!this.ready)return;this._rechokeOptimisticTime>0?this._rechokeOptimisticTime-=1:this._rechokeOptimisticWire=null;const e=[];this.wires.forEach(t=>{t.isSeeder||t===this._rechokeOptimisticWire||e.push({wire:t,downloadSpeed:t.downloadSpeed(),uploadSpeed:t.uploadSpeed(),salt:Math.random(),isChoked:!0})}),e.sort(function(e,t){return e.downloadSpeed!==t.downloadSpeed?t.downloadSpeed-e.downloadSpeed:e.uploadSpeed!==t.uploadSpeed?t.uploadSpeed-e.uploadSpeed:e.wire.amChoking!==t.wire.amChoking?e.wire.amChoking?1:-1:e.salt-t.salt});let t=0,n=0;for(;n<e.length&&t<this._rechokeNumSlots;++n)e[n].isChoked=!1,e[n].wire.peerInterested&&(t+=1);if(!this._rechokeOptimisticWire&&n<e.length&&this._rechokeNumSlots){const t=e.slice(n).filter(e=>e.wire.peerInterested),i=t[(r=t.length,Math.random()*r|0)];i&&(i.isChoked=!1,this._rechokeOptimisticWire=i.wire,this._rechokeOptimisticTime=2)}var r;e.forEach(e=>{e.wire.amChoking!==e.isChoked&&(e.isChoked?e.wire.choke():e.wire.unchoke())})}_hotswap(e,t){const n=e.downloadSpeed();if(n<ur.BLOCK_LENGTH)return!1;if(!this._reservations[t])return!1;const r=this._reservations[t];if(!r)return!1;let s,o,a=1/0;for(o=0;o<r.length;o++){const t=r[o];if(!t||t===e)continue;const h=t.downloadSpeed();h>=i||2*h>n||h>a||(s=t,a=h)}if(!s)return!1;for(o=0;o<r.length;o++)r[o]===s&&(r[o]=null);for(o=0;o<s.requests.length;o++){const e=s.requests[o];e.piece===t&&this.pieces[t].cancel(e.offset/ur.BLOCK_LENGTH|0)}return this.emit("hotswap",s,e,t),!0}_request(t,n,r){const i=this,s=t.requests.length,o="webSeed"===t.type;if(i.bitfield.get(n))return!1;if(s>=(o?Math.min(function(e,t,n){return 1+Math.ceil(1*e.downloadSpeed()/n)}(t,0,i.pieceLength),i.maxWebConns):c(t,1)))return!1;const a=i.pieces[n];let h=o?a.reserveRemaining():a.reserve();if(-1===h&&r&&i._hotswap(t,n)&&(h=o?a.reserveRemaining():a.reserve()),-1===h)return!1;let u=i._reservations[n];u||(u=i._reservations[n]=[]);let d=u.indexOf(null);-1===d&&(d=u.length),u[d]=t;const l=a.chunkOffset(h),f=o?a.chunkLengthRemaining(h):a.chunkLength(h);function p(){e.nextTick(()=>{i._update()})}return t.request(n,l,f,function e(r,s){if(i.destroyed)return;if(!i.ready)return i.once("ready",()=>{e(r,s)});if(u[d]===t&&(u[d]=null),a!==i.pieces[n])return p();if(r)return i._debug("error getting piece %s (offset: %s length: %s) from %s: %s",n,l,f,`${t.remoteAddress}:${t.remotePort}`,r.message),o?a.cancelRemaining(h):a.cancel(h),void p();if(i._debug("got piece %s (offset: %s length: %s) from %s",n,l,f,`${t.remoteAddress}:${t.remotePort}`),!a.set(h,s,t))return p();const c=a.flush();Nt(c,e=>{if(!i.destroyed){if(e===i._hashes[n]){if(!i.pieces[n])return;i._debug("piece verified %s",n),i.pieces[n]=null,i._reservations[n]=null,i.bitfield.set(n,!0),i.store.put(n,c),i.wires.forEach(e=>{e.have(n)}),i._checkDone()&&!i.destroyed&&i.discovery.complete()}else i.pieces[n]=new ur(a.length),i.emit("warning",new Error(`Piece ${n} failed verification`));p()}})}),!0}_checkDone(){if(this.destroyed)return;this.files.forEach(e=>{if(!e.done){for(let t=e._startPiece;t<=e._endPiece;++t)if(!this.bitfield.get(t))return;e.done=!0,e.emit("done"),this._debug(`file done: ${e.name}`)}});let e=!0;for(let t=0;t<this._selections.length;t++){const n=this._selections[t];for(let t=n.from;t<=n.to;t++)if(!this.bitfield.get(t)){e=!1;break}if(!e)break}return!this.done&&e&&(this.done=!0,this._debug(`torrent done: ${this.infoHash}`),this.emit("done")),this._gcSelections(),e}load(e,t){if(this.destroyed)throw new Error("torrent is destroyed");if(!this.ready)return this.once("ready",()=>{this.load(e,t)});Array.isArray(e)||(e=[e]),t||(t=u);const n=new St(e),r=new Vn(this.store,this.pieceLength);pr(n,r,e=>{if(e)return t(e);this._markAllVerified(),this._checkDone(),t(null)})}createServer(e){if("function"!=typeof ne)throw new Error("node.js-only method");if(this.destroyed)throw new Error("torrent is destroyed");const t=new ne(this,e);return this._servers.push(t),t}pause(){this.destroyed||(this._debug("pause"),this.paused=!0)}resume(){this.destroyed||(this._debug("resume"),this.paused=!1,this._drain())}_debug(){const e=[].slice.call(arguments);e[0]=`[${this.client._debugId}] [${this._debugId}] ${e[0]}`,n(...e)}_drain(){if(this._debug("_drain numConns %s maxConns %s",this._numConns,this.client.maxConns),"function"!=typeof ne.connect||this.destroyed||this.paused||this._numConns>=this.client.maxConns)return;this._debug("drain (%s queued, %s/%s peers)",this._numQueued,this.numPeers,this.client.maxConns);const e=this._queue.shift();if(!e)return;this._debug("tcp connect attempt to %s",e.addr);const t=Dn(e.addr),n={host:t[0],port:t[1]},r=e.conn=ne.connect(n);r.once("connect",()=>{e.onConnect()}),r.once("error",t=>{e.destroy(t)}),e.startConnectTimeout(),r.on("close",()=>{if(this.destroyed)return;if(e.retries>=o.length)return void this._debug("conn %s closed: will not re-add (max %s attempts)",e.addr,o.length);const t=o[e.retries];this._debug("conn %s closed: will re-add to queue in %sms (attempt %s)",e.addr,t,e.retries+1);const n=setTimeout(()=>{const t=this._addPeer(e.addr);t&&(t.retries=e.retries+1)},t);n.unref&&n.unref()})}_validAddr(e){let t;try{t=Dn(e)}catch(i){return!1}const n=t[0],r=t[1];return r>0&&r<65535&&!("127.0.0.1"===n&&r===this.client.torrentPort)}}}).call(this,ue,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{});var mi={};return function(e,t,n){const{EventEmitter:r}=l,i=zt("webtorrent"),s=ai,o=s.replace(/\d*./g,e=>`0${e%100}`.slice(-2)).slice(0,4),a=`-WW${o}-`;class h extends r{constructor(r={}){super(),"string"==typeof r.peerId?this.peerId=r.peerId:n.isBuffer(r.peerId)?this.peerId=r.peerId.toString("hex"):this.peerId=n.from(a+On(9).toString("base64")).toString("hex"),this.peerIdBuffer=n.from(this.peerId,"hex"),"string"==typeof r.nodeId?this.nodeId=r.nodeId:n.isBuffer(r.nodeId)?this.nodeId=r.nodeId.toString("hex"):this.nodeId=On(20).toString("hex"),this.nodeIdBuffer=n.from(this.nodeId,"hex"),this._debugId=this.peerId.toString("hex").substring(0,7),this.destroyed=!1,this.listening=!1,this.torrentPort=r.torrentPort||0,this.dhtPort=r.dhtPort||0,this.tracker=void 0!==r.tracker?r.tracker:{},this.torrents=[],this.maxConns=Number(r.maxConns)||55,this._debug("new webtorrent (peerId %s, nodeId %s, port %s)",this.peerId,this.nodeId,this.torrentPort),this.tracker&&("object"!=typeof this.tracker&&(this.tracker={}),r.rtcConfig&&(console.warn("WebTorrent: opts.rtcConfig is deprecated. Use opts.tracker.rtcConfig instead"),this.tracker.rtcConfig=r.rtcConfig),r.wrtc&&(console.warn("WebTorrent: opts.wrtc is deprecated. Use opts.tracker.wrtc instead"),this.tracker.wrtc=r.wrtc),t.WRTC&&!this.tracker.wrtc&&(this.tracker.wrtc=t.WRTC)),"function"==typeof ne?this._tcpPool=new ne(this):e.nextTick(()=>{this._onListening()}),this._downloadSpeed=jn(),this._uploadSpeed=jn(),!1!==r.dht&&"function"==typeof ne?(this.dht=new ne(Object.assign({},{nodeId:this.nodeId},r.dht)),this.dht.once("error",e=>{this._destroy(e)}),this.dht.once("listening",()=>{const e=this.dht.address();e&&(this.dhtPort=e.port)}),this.dht.setMaxListeners(0),this.dht.listen(this.dhtPort)):this.dht=!1,this.enableWebSeeds=!1!==r.webSeeds;const i=()=>{this.destroyed||(this.ready=!0,this.emit("ready"))};"function"==typeof ne&&null!=r.blocklist?ne(r.blocklist,{headers:{"user-agent":`WebTorrent/${s} (https://webtorrent.io)`}},(e,t)=>{if(e)return this.error(`Failed to load blocklist: ${e.message}`);this.blocked=t,i()}):e.nextTick(i)}get downloadSpeed(){return this._downloadSpeed()}get uploadSpeed(){return this._uploadSpeed()}get progress(){const e=this.torrents.filter(e=>1!==e.progress);return e.reduce((e,t)=>e+t.downloaded,0)/(e.reduce((e,t)=>e+(t.length||0),0)||1)}get ratio(){return this.torrents.reduce((e,t)=>e+t.uploaded,0)/(this.torrents.reduce((e,t)=>e+t.received,0)||1)}get(e){if(e instanceof gi){if(this.torrents.includes(e))return e}else{let t;try{t=Ln(e)}catch(_i){}if(!t)return null;if(!t.infoHash)throw new Error("Invalid torrent identifier");for(const e of this.torrents)if(e.infoHash===t.infoHash)return e}return null}download(e,t,n){return console.warn("WebTorrent: client.download() is deprecated. Use client.add() instead"),this.add(e,t,n)}add(e,t={},n){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof t&&([t,n]=[{},t]);const r=()=>{if(!this.destroyed)for(const e of this.torrents)if(e.infoHash===s.infoHash&&e!==s)return void s._destroy(new Error(`Cannot add duplicate torrent ${s.infoHash}`))},i=()=>{this.destroyed||("function"==typeof n&&n(s),this.emit("torrent",s))};this._debug("add"),t=t?Object.assign({},t):{};const s=new gi(e,this,t);return this.torrents.push(s),s.once("_infoHash",r),s.once("ready",i),s.once("close",function e(){s.removeListener("_infoHash",r),s.removeListener("ready",i),s.removeListener("close",e)}),s}seed(e,t,n){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof t&&([t,n]=[{},t]),this._debug("seed"),(t=t?Object.assign({},t):{}).skipVerify=!0;const r="string"==typeof e;r&&(t.path=ut.dirname(e)),t.createdBy||(t.createdBy=`WebTorrent/${o}`);const i=e=>{this._debug("on seed"),"function"==typeof n&&n(e),e.emit("seed"),this.emit("seed",e)},s=this.add(null,t,e=>{const t=[t=>{if(r)return t();e.load(a,t)}];this.dht&&t.push(t=>{e.once("dhtAnnounce",t)}),Ut(t,t=>{if(!this.destroyed)return t?e._destroy(t):void i(e)})});let a;return"undefined"!=typeof FileList&&e instanceof FileList?e=Array.from(e):Array.isArray(e)||(e=[e]),Ut(e.map(e=>t=>{!function(t){return"object"==typeof e&&null!=e&&"function"==typeof e.pipe}()?t(null,e):N(e,t)}),(e,n)=>{if(!this.destroyed)return e?s._destroy(e):void Wt.parseInput(n,t,(e,r)=>{if(!this.destroyed){if(e)return s._destroy(e);a=r.map(e=>e.getStream),Wt(n,t,(e,t)=>{if(this.destroyed)return;if(e)return s._destroy(e);const n=this.get(t);n?s._destroy(new Error(`Cannot add duplicate torrent ${n.infoHash}`)):s._onTorrentId(t)})}})}),s}remove(e,t){if(this._debug("remove"),!this.get(e))throw new Error(`No torrent with id ${e}`);this._remove(e,t)}_remove(e,t){const n=this.get(e);n&&(this.torrents.splice(this.torrents.indexOf(n),1),n.destroy(t))}address(){return this.listening?this._tcpPool?this._tcpPool.server.address():{address:"0.0.0.0",family:"IPv4",port:0}:null}destroy(e){if(this.destroyed)throw new Error("client already destroyed");this._destroy(null,e)}_destroy(e,t){this._debug("client destroy"),this.destroyed=!0;const n=this.torrents.map(e=>t=>{e.destroy(t)});this._tcpPool&&n.push(e=>{this._tcpPool.destroy(e)}),this.dht&&n.push(e=>{this.dht.destroy(e)}),Ut(n,t),e&&this.emit("error",e),this.torrents=[],this._tcpPool=null,this.dht=null}_onListening(){if(this._debug("listening"),this.listening=!0,this._tcpPool){const e=this._tcpPool.server.address();e&&(this.torrentPort=e.port)}this.emit("listening")}_debug(){const e=[].slice.call(arguments);e[0]=`[${this._debugId}] ${e[0]}`,i(...e)}}h.WEBRTC_SUPPORT=Mn.WEBRTC_SUPPORT,h.VERSION=s,mi=h}.call(this,ue,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{},d({}).Buffer),mi});
\ No newline at end of file