mirror of
https://github.com/AlexKrunch/AnonIB-3D.git
synced 2024-11-16 01:28:07 -05:00
1 line
326 KiB
JavaScript
1 line
326 KiB
JavaScript
(function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"==typeof window?"undefined"==typeof global?"undefined"==typeof self?this:self:global:window,t.WebTorrent=e()}})(function(){var t=Math.abs,n=Math.pow,r=Math.floor,e=String.fromCharCode,o=Math.ceil,a=Math.max,s=Math.min,i;return function(){function s(d,e,n){function t(o,i){if(!e[o]){if(!d[o]){var l="function"==typeof require&&require;if(!i&&l)return l(o,!0);if(r)return r(o,!0);var c=new Error("Cannot find module '"+o+"'");throw c.code="MODULE_NOT_FOUND",c}var a=e[o]={exports:{}};d[o][0].call(a.exports,function(e){var r=d[o][1][e];return t(r||e)},a,a.exports,s,d,e,n)}return e[o].exports}for(var r="function"==typeof require&&require,o=0;o<n.length;o++)t(n[o]);return t}return s}()({1:[function(e,t){const n=e("debug")("webtorrent:file-stream"),r=e("readable-stream");class o extends r.Readable{constructor(e,t){super(t),this.destroyed=!1,this._torrent=e._torrent;const n=t&&t.start||0,r=t&&t.end&&t.end<e.length?t.end:e.length-1,o=e._torrent.pieceLength;this._startPiece=0|(n+e.offset)/o,this._endPiece=0|(r+e.offset)/o,this._piece=this._startPiece,this._offset=n+e.offset-this._startPiece*o,this._missing=r-n+1,this._reading=!1,this._notifying=!1,this._criticalLength=s(0|1048576/o,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 e=this._piece;this._torrent.store.get(e,(t,r)=>(this._notifying=!1,this.destroyed?void 0:t?this._destroy(t):void(n("read %s (length %s) (err %s)",e,r.length,t&&t.message),this._offset&&(r=r.slice(this._offset),this._offset=0),this._missing<r.length&&(r=r.slice(0,this._missing)),this._missing-=r.length,n("pushing buffer of length %s",r.length),this._reading=!1,this.push(r),0===this._missing&&this.push(null)))),this._piece+=1}destroy(e){this._destroy(null,e)}_destroy(e,t){this.destroyed||(this.destroyed=!0,!this._torrent.destroyed&&this._torrent.deselect(this._startPiece,this._endPiece,!0),e&&this.emit("error",e),this.emit("close"),t&&t())}}t.exports=o},{debug:62,"readable-stream":162}],2:[function(e,t){(function(n){const{EventEmitter:r}=e("events"),{PassThrough:o}=e("readable-stream"),i=e("end-of-stream"),d=e("path"),l=e("render-media"),c=e("stream-to-blob"),u=e("stream-to-blob-url"),p=e("stream-with-known-length-to-buffer"),f=e("./file-stream");class h extends r{constructor(e,t){super(),this._torrent=e,this._destroyed=!1,this.name=t.name,this.path=t.path,this.length=t.length,this.offset=t.offset,this.done=!1;const n=t.offset,r=n+t.length-1;this._startPiece=0|n/this._torrent.pieceLength,this._endPiece=0|r/this._torrent.pieceLength,0===this.length&&(this.done=!0,this.emit("done"))}get downloaded(){if(!this._torrent.bitfield)return 0;const{pieces:e,bitfield:t,pieceLength:n}=this._torrent,{_startPiece:r,_endPiece:o}=this,i=e[r];let d=t.get(r)?n-this.offset:a(i.length-i.missing-this.offset,0);for(let i=r+1;i<=o;++i)if(t.get(i))d+=n;else{const t=e[i];d+=t.length-t.missing}return s(d,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(e){if(0===this.length){const e=new o;return n.nextTick(()=>{e.end()}),e}const t=new f(this,e);return this._torrent.select(t._startPiece,t._endPiece,!0,()=>{t._notify()}),i(t,()=>{this._destroyed||!this._torrent.destroyed&&this._torrent.deselect(t._startPiece,t._endPiece,!0)}),t}getBuffer(e){p(this.createReadStream(),this.length,e)}getBlob(e){if("undefined"==typeof window)throw new Error("browser-only method");c(this.createReadStream(),this._getMimeType(),e)}getBlobURL(e){if("undefined"==typeof window)throw new Error("browser-only method");u(this.createReadStream(),this._getMimeType(),e)}appendTo(e,t,n){if("undefined"==typeof window)throw new Error("browser-only method");l.append(this,e,t,n)}renderTo(e,t,n){if("undefined"==typeof window)throw new Error("browser-only method");l.render(this,e,t,n)}_getMimeType(){return l.mime[d.extname(this.name).toLowerCase()]}_destroy(){this._destroyed=!0,this._torrent=null}}t.exports=h}).call(this,e("_process"))},{"./file-stream":1,_process:132,"end-of-stream":65,events:42,path:129,"readable-stream":162,"render-media":163,"stream-to-blob":207,"stream-to-blob-url":206,"stream-with-known-length-to-buffer":208}],3:[function(e,t,n){const r=e("unordered-array-remove"),o=e("debug")("webtorrent:peer"),i=e("bittorrent-protocol"),a=e("./webconn");n.createWebRTCPeer=(e,t)=>{const n=new s(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},n.createTCPIncomingPeer=e=>{const t=`${e.remoteAddress}:${e.remotePort}`,n=new s(t,"tcpIncoming");return n.conn=e,n.addr=t,n.onConnect(),n},n.createTCPOutgoingPeer=(e,t)=>{const n=new s(e,"tcpOutgoing");return n.addr=e,n.swarm=t,n},n.createWebSeedPeer=(e,t)=>{const n=new s(e,"webSeed");return n.swarm=t,n.conn=new a(e,t),n.onConnect(),n};class s{constructor(e,t){this.id=e,this.type=t,o("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){this.connected=!0,o("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 i;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"));o("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?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(e){if(this.destroyed)return;this.destroyed=!0,this.connected=!1,o("destroy %s (error: %s)",this.id,e&&(e.message||e)),clearTimeout(this.connectTimeout),clearTimeout(this.handshakeTimeout);const t=this.swarm,n=this.conn,i=this.wire;this.swarm=null,this.conn=null,this.wire=null,t&&i&&r(t.wires,t.wires.indexOf(i)),n&&(n.on("error",()=>{}),n.destroy()),i&&i.destroy(),t&&t.removePeer(this.id)}}},{"./webconn":6,"bittorrent-protocol":14,debug:62,"unordered-array-remove":219}],4:[function(e,t){t.exports=class{constructor(e){this._torrent=e,this._numPieces=e.pieces.length,this._pieces=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 o=this._pieces[r];o===n?t.push(r):o<n&&(t=[r],n=o)}return t.length?t[0|Math.random()*t.length]:-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}}},{}],5:[function(e,t){(function(n,r){function d(e,t){return 2+o(t*e.downloadSpeed()/B.BLOCK_LENGTH)}function l(e,t,n){return 1+o(t*e.downloadSpeed()/n)}function c(e){return 0|Math.random()*e}function i(){}const u=e("addr-to-ip-port"),p=e("bitfield"),f=e("chunk-store-stream/write"),h=e("debug")("webtorrent:torrent"),m=e("torrent-discovery"),g=e("events").EventEmitter,_=e("fs"),b=e("fs-chunk-store"),y=e("simple-get"),w=e("immediate-chunk-store"),k=e("multistream"),x=e("net"),S=e("os"),v=e("run-parallel"),E=e("run-parallel-limit"),C=e("parse-torrent"),L=e("path"),B=e("torrent-piece"),I=e("pump"),T=e("random-iterate"),R=e("simple-sha1"),A=e("speedometer"),U=e("uniq"),P=e("ut_metadata"),M=e("ut_pex"),O=e("parse-numeric-range"),j=e("./file"),N=e("./peer"),H=e("./rarity-map"),q=e("./server"),D=5e3,F=3*B.BLOCK_LENGTH,W=1,z=n.browser?1/0:2,V=[1e3,5e3,15e3],G=e("../package.json").version,K=`WebTorrent/${G} (https://webtorrent.io)`;let Y;try{Y=L.join(_.statSync("/tmp")&&"/tmp","webtorrent")}catch(e){Y=L.join("function"==typeof S.tmpdir?S.tmpdir():"/","webtorrent")}class X extends g{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||b,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=A(),this._uploadSpeed=A(),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?1/0:1e3*((this.length-this.downloaded)/this.downloadSpeed)}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(e){if(this.destroyed)return;let t;try{t=C(e)}catch(e){}t?(this.infoHash=t.infoHash,this._debugId=t.infoHash.toString("hex").substring(0,7),n.nextTick(()=>{this.destroyed||this._onParsedTorrent(t)})):C.remote(e,(e,t)=>this.destroyed?void 0: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=L.join(Y,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&&r.WEBTORRENT_ANNOUNCE&&!this.private&&(e.announce=e.announce.concat(r.WEBTORRENT_ANNOUNCE)),this.urlList&&(e.urlList=e.urlList.concat(this.urlList)),U(e.announce),U(e.urlList),Object.assign(this,e),this.magnetURI=C.toMagnetURI(e),this.torrentFile=C.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:a(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 m({infoHash:this.infoHash,announce:this.announce,peerId:this.client.peerId,dht:!this.private&&this.client.dht,tracker:e,port:this.client.torrentPort,userAgent:K}),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(){function e(e,n){function r(r,o,i){if(t.destroyed)return n(null);if(t.metadata)return n(null);if(r)return t.emit("warning",new Error(`http error from xs param: ${e}`)),n(null);if(200!==o.statusCode)return t.emit("warning",new Error(`non-200 status code ${o.statusCode} from xs param: ${e}`)),n(null);let a;try{a=C(i)}catch(e){}return a?a.infoHash===t.infoHash?void(t._onMetadata(a),n(null)):(t.emit("warning",new Error(`got torrent file with incorrect info hash from xs param: ${e}`)),n(null)):(t.emit("warning",new Error(`got invalid torrent file from xs param: ${e}`)),n(null))}if(0!==e.indexOf("http://")&&0!==e.indexOf("https://"))return t.emit("warning",new Error(`skipping non-http xs param: ${e}`)),n(null);let o;try{o=y.concat({url:e,method:"GET",headers:{"user-agent":K}},r)}catch(r){return t.emit("warning",new Error(`skipping invalid url xs param: ${e}`)),n(null)}t._xsRequests.push(o)}const t=this,n=Array.isArray(this.xs)?this.xs:[this.xs],r=n.map(t=>n=>{e(t,n)});v(r)}_onMetadata(e){if(this.metadata||this.destroyed)return;this._debug("got metadata"),this._xsRequests.forEach(e=>{e.abort()}),this._xsRequests=[];let t;if(e&&e.infoHash)t=e;else try{t=C(e)}catch(e){return this._destroy(e)}if(this._processParsedTorrent(t),this.metadata=this.torrentFile,this.client.enableWebSeeds&&this.urlList.forEach(e=>{this.addWebSeed(e)}),this._rarityMap=new H(this),this.store=new w(new this._store(this.pieceLength,{torrent:{infoHash:this.infoHash},files:this.files.map(e=>({path:L.join(this.path,e.path),length:e.length,offset:e.offset})),length:this.length,name:this.infoHash})),this.files=this.files.map(e=>new j(this,e)),this.so){const e=O.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);this._hashes=this.pieces,this.pieces=this.pieces.map((e,t)=>{const n=t===this.pieces.length-1?this.lastPieceLength:this.pieceLength;return new B(n)}),this._reservations=this.pieces.map(()=>[]),this.bitfield=new p(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()):(this._debug("verifying existing torrent data"),this._fileModtimes&&this._store===b?this.getFileModtimes((e,t)=>{if(e)return this._destroy(e);const n=this.files.map((e,n)=>t[n]===this._fileModtimes[n]).every(e=>e);n?(this._markAllVerified(),this._onStore()):this._verifyPieces()}):this._verifyPieces()),this.emit("metadata")}getFileModtimes(e){const t=[];E(this.files.map((e,n)=>r=>{_.stat(L.join(this.path,e.path),(e,o)=>e&&"ENOENT"!==e.code?r(e):void(t[n]=o&&o.mtime.getTime(),r(null)))}),z,n=>{this._debug("done getting file modtimes"),e(n,t)})}_verifyPieces(){E(this.pieces.map((e,t)=>e=>this.destroyed?e(new Error("torrent is destroyed")):void this.store.get(t,(r,o)=>this.destroyed?e(new Error("torrent is destroyed")):r?n.nextTick(e,null):void R(o,n=>{if(this.destroyed)return e(new Error("torrent is destroyed"));if(n===this._hashes[t]){if(!this.pieces[t])return;this._debug("piece verified %s",t),this._markVerified(t)}else this._debug("piece invalid %s",t);e(null)}))),z,e=>e?this._destroy(e):void(this._debug("done verifying"),this._onStore()))}_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){for(const e in this.destroyed=!0,this._debug("destroy"),this.client._remove(this),clearInterval(this._rechokeIntervalId),this._xsRequests.forEach(e=>{e.abort()}),this._rarityMap&&this._rarityMap.destroy(),this._peers)this.removePeer(e);this.files.forEach(e=>{e instanceof j&&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)}),v(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(t){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 t){let n;try{n=u(t)}catch(n){return this._debug("ignoring peer: invalid %s",t),this.emit("invalidPeer",t),!1}e=n[0]}else"string"==typeof t.remoteAddress&&(e=t.remoteAddress);if(e&&this.client.blocked.contains(e))return this._debug("ignoring peer: blocked %s",t),"string"!=typeof t&&t.destroy(),this.emit("blockedPeer",t),!1}const e=!!this._addPeer(t);return e?this.emit("peer",t):this.emit("invalidPeer",t),e}_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;this._debug("add peer %s",t);let n;return n="string"==typeof e?N.createTCPOutgoingPeer(e,this):N.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=N.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")):void(this._debug("add incoming peer %s",e.id),this._peers[e.id]=e,this._peersLength+=1)}removePeer(e){const t=e&&e.id||e;e=this._peers[t];e&&(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(0>e||t<e||this.pieces.length<=t)throw new Error("invalid selection ",e,":",t);n=+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||i}),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=+n||0,this._debug("deselect %s-%s (priority %s)",e,t,n);for(let r=0;r<this._selections.length;++r){const o=this._selections[r];if(o.from===e&&o.to===t&&o.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(e,t){if(this._debug("got wire %s (%s)",e._debugId,t||"Unknown"),e.on("download",e=>{this.destroyed||(this.received+=e,this._downloadSpeed(e),this.client._downloadSpeed(e),this.emit("download",e),this.client.emit("download",e))}),e.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(e),t){const n=u(t);e.remoteAddress=n[0],e.remotePort=n[1]}this.client.dht&&this.client.dht.listening&&e.on("port",n=>this.destroyed||this.client.dht.destroyed?void 0:e.remoteAddress?0===n||65536<n?this._debug("ignoring invalid PORT from peer"):void(this._debug("port: %s (from %s)",n,t),this.client.dht.addNode({host:e.remoteAddress,port:n})):this._debug("ignoring PORT from peer with no address")),e.on("timeout",()=>{this._debug("wire timeout (%s)",t),e.destroy()}),e.setTimeout(3e4,!0),e.setKeepAlive(!0),e.use(P(this.metadata)),e.ut_metadata.on("warning",e=>{this._debug("ut_metadata warning: %s",e.message)}),this.metadata||(e.ut_metadata.on("metadata",e=>{this._debug("got metadata via ut_metadata"),this._onMetadata(e)}),e.ut_metadata.fetch()),"function"!=typeof M||this.private||(e.use(M()),e.ut_pex.on("peer",e=>{this.done||(this._debug("ut_pex: got peer: %s (from %s)",e,t),this.addPeer(e))}),e.ut_pex.on("dropped",e=>{const n=this._peers[e];n&&!n.connected&&(this._debug("ut_pex: dropped peer: %s (from %s)",e,t),this.removePeer(e))}),e.once("close",()=>{e.ut_pex.reset()})),this.emit("wire",e,t),this.metadata&&n.nextTick(()=>{this._onWireWithMetadata(e)})}_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,D),t.unref&&t.unref()))};let r;const o=()=>{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",()=>{o(),this._update()}),e.on("have",()=>{o(),this._update()}),e.once("interested",()=>{e.unchoke()}),e.once("close",()=>{clearTimeout(t)}),e.on("choke",()=>{clearTimeout(t),t=setTimeout(n,D),t.unref&&t.unref()}),e.on("unchoke",()=>{clearTimeout(t),this._update()}),e.on("request",(t,n,r,o)=>r>131072?e.destroy():void(this.pieces[t]||this.store.get(t,{offset:n,length:r},o))),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,D),t.unref&&t.unref()),e.isSeeder=!1,o()}_updateSelections(){!this.ready||this.destroyed||(n.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){const e=T(this.wires);for(let t;t=e();)this._updateWire(t)}}_updateWire(e){function t(t,n,r,o){return a=>a>=t&&a<=n&&!(a in r)&&e.peerPieces.get(a)&&(!o||o(a))}function n(){const t=e.downloadSpeed()||1;if(t>F)return()=>!0;const n=a(1,e.requests.length)*B.BLOCK_LENGTH/t;let r=10,o=0;return e=>{if(!r||s.bitfield.get(e))return!0;for(let i=s.pieces[e].missing;o<s.wires.length;o++){const a=s.wires[o],d=a.downloadSpeed();if(!(d<F)&&!(d<=t)&&a.peerPieces.get(e)&&!(0<(i-=d*n)))return r--,!1}return!0}}function r(e){let t=e;for(let n=e;n<s._selections.length&&s._selections[n].priority;n++)t=n;const n=s._selections[e];s._selections[e]=s._selections[t],s._selections[t]=n}function o(o){if(e.requests.length>=l)return!0;const a=n();for(let n=0;n<s._selections.length;n++){const i=s._selections[n];let d;if("rarest"===s.strategy){const c=i.from+i.offset,u=i.to,p={};let f=0;for(const h=t(c,u,p,a);f<u-c+1&&(d=s._rarityMap.getRarestPiece(h),!(0>d));){for(;s._request(e,d,s._critical[d]||o););if(e.requests.length<l){p[d]=!0,f++;continue}return i.priority&&r(n),!0}}else for(d=i.from+i.offset;d<=i.to;d++)if(e.peerPieces.get(d)&&a(d)){for(;s._request(e,d,s._critical[d]||o););if(!(e.requests.length<l))return i.priority&&r(n),!0}}return!1}const s=this;if(e.peerChoking)return;if(!e.downloaded)return function(){if(!e.requests.length)for(let n=s._selections.length;n--;){const r=s._selections[n];let o;if("rarest"===s.strategy){const n=r.from+r.offset,i=r.to,a={};let d=0;for(const r=t(n,i,a);d<i-n+1&&(o=s._rarityMap.getRarestPiece(r),!(0>o));){if(s._request(e,o,!1))return;a[o]=!0,d+=1}}else for(o=r.to;o>=r.from+r.offset;--o)if(e.peerPieces.get(o)&&s._request(e,o,!1))return}}();const i=d(e,.5);if(e.requests.length>=i)return;const l=d(e,W);o(!1)||o(!0)}_rechoke(){if(!this.ready)return;0<this._rechokeOptimisticTime?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?e.uploadSpeed===t.uploadSpeed?e.wire.amChoking===t.wire.amChoking?e.salt-t.salt:e.wire.amChoking?1:-1:t.uploadSpeed-e.uploadSpeed:t.downloadSpeed-e.downloadSpeed});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),r=t[c(t.length)];r&&(r.isChoked=!1,this._rechokeOptimisticWire=r.wire,this._rechokeOptimisticTime=2)}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<B.BLOCK_LENGTH)return!1;if(!this._reservations[t])return!1;const o=this._reservations[t];if(!o)return!1;let r=1/0,a,s;for(s=0;s<o.length;s++){const t=o[s];if(!t||t===e)continue;const i=t.downloadSpeed();i>=F||2*i>n||i>r||(a=t,r=i)}if(!a)return!1;for(s=0;s<o.length;s++)o[s]===a&&(o[s]=null);for(s=0;s<a.requests.length;s++){const e=a.requests[s];e.piece===t&&this.pieces[t].cancel(0|e.offset/B.BLOCK_LENGTH)}return this.emit("hotswap",a,e,t),!0}_request(e,t,o){function a(){n.nextTick(()=>{c._update()})}const c=this,u=e.requests.length,p="webSeed"===e.type;if(c.bitfield.get(t))return!1;const f=p?s(l(e,W,c.pieceLength),c.maxWebConns):d(e,W);if(u>=f)return!1;const h=c.pieces[t];let m=p?h.reserveRemaining():h.reserve();if(-1===m&&o&&c._hotswap(e,t)&&(m=p?h.reserveRemaining():h.reserve()),-1===m)return!1;let g=c._reservations[t];g||(g=c._reservations[t]=[]);let _=g.indexOf(null);-1===_&&(_=g.length),g[_]=e;const b=h.chunkOffset(m),y=p?h.chunkLengthRemaining(m):h.chunkLength(m);return e.request(t,b,y,function n(r,o){if(c.destroyed)return;if(!c.ready)return c.once("ready",()=>{n(r,o)});if(g[_]===e&&(g[_]=null),h!==c.pieces[t])return a();if(r)return c._debug("error getting piece %s (offset: %s length: %s) from %s: %s",t,b,y,`${e.remoteAddress}:${e.remotePort}`,r.message),p?h.cancelRemaining(m):h.cancel(m),void a();if(c._debug("got piece %s (offset: %s length: %s) from %s",t,b,y,`${e.remoteAddress}:${e.remotePort}`),!h.set(m,o,e))return a();const i=h.flush();R(i,e=>{if(!c.destroyed){if(e===c._hashes[t]){if(!c.pieces[t])return;c._debug("piece verified %s",t),c.pieces[t]=null,c._reservations[t]=null,c.bitfield.set(t,!0),c.store.put(t,i),c.wires.forEach(e=>{e.have(t)}),c._checkDone()&&!c.destroyed&&c.discovery.complete()}else c.pieces[t]=new B(h.length),c.emit("warning",new Error(`Piece ${t} failed verification`));a()}})}),!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: ${this.infoHash}`),this.emit("done")),this._gcSelections(),e}load(e,t){if(this.destroyed)throw new Error("torrent is destroyed");if(!this.ready)return this.once("ready",()=>{this.load(e,t)});Array.isArray(e)||(e=[e]),t||(t=i);const n=new k(e),r=new f(this.store,this.pieceLength);I(n,r,e=>e?t(e):void(this._markAllVerified(),this._checkDone(),t(null)))}createServer(e){if("function"!=typeof q)throw new Error("node.js-only method");if(this.destroyed)throw new Error("torrent is destroyed");const t=new q(this,e);return this._servers.push(t),t}pause(){this.destroyed||(this._debug("pause"),this.paused=!0)}resume(){this.destroyed||(this._debug("resume"),this.paused=!1,this._drain())}_debug(){const e=[].slice.call(arguments);e[0]=`[${this.client._debugId}] [${this._debugId}] ${e[0]}`,h(...e)}_drain(){if(this._debug("_drain numConns %s maxConns %s",this._numConns,this.client.maxConns),"function"!=typeof x.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=u(e.addr),n={host:t[0],port:t[1]},r=e.conn=x.connect(n);r.once("connect",()=>{e.onConnect()}),r.once("error",t=>{e.destroy(t)}),e.startConnectTimeout(),r.on("close",()=>{if(!this.destroyed){if(e.retries>=V.length)return void this._debug("conn %s closed: will not re-add (max %s attempts)",e.addr,V.length);const t=V[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=u(e)}catch(t){return!1}const n=t[0],r=t[1];return 0<r&&65535>r&&("127.0.0.1"!==n||r!==this.client.torrentPort)}}t.exports=X}).call(this,e("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"../package.json":229,"./file":2,"./peer":3,"./rarity-map":4,"./server":39,_process:132,"addr-to-ip-port":7,bitfield:13,"chunk-store-stream/write":58,debug:62,events:42,fs:40,"fs-chunk-store":98,"immediate-chunk-store":79,multistream:115,net:39,os:39,"parse-numeric-range":127,"parse-torrent":128,path:129,pump:133,"random-iterate":138,"run-parallel":166,"run-parallel-limit":165,"simple-get":170,"simple-sha1":181,speedometer:192,"torrent-discovery":214,"torrent-piece":215,uniq:218,ut_metadata:222,ut_pex:39}],6:[function(e,t){const n=e("bitfield"),r=e("safe-buffer").Buffer,o=e("debug")("webtorrent:webconn"),i=e("simple-get"),d=e("simple-sha1"),l=e("bittorrent-protocol"),c=e("../package.json").version;t.exports=class extends l{constructor(e,t){super(),this.url=e,this.webPeerId=d.sync(e),this._torrent=t,this._init()}_init(){this.setKeepAlive(!0),this.once("handshake",e=>{if(this.destroyed)return;this.handshake(e,this.webPeerId);const t=this._torrent.pieces.length,r=new n(t);for(let n=0;n<=t;n++)r.set(n,!0);this.bitfield(r)}),this.once("interested",()=>{o("interested"),this.unchoke()}),this.on("uninterested",()=>{o("uninterested")}),this.on("choke",()=>{o("choke")}),this.on("unchoke",()=>{o("unchoke")}),this.on("bitfield",()=>{o("bitfield")}),this.on("request",(e,t,n,r)=>{o("request pieceIndex=%d offset=%d length=%d",e,t,n),this.httpRequest(e,t,n,r)})}httpRequest(e,t,n,d){const l=e*this._torrent.pieceLength,u=l+t,p=u+n-1,f=this._torrent.files;let h;if(1>=f.length)h=[{url:this.url,start:u,end:p}];else{const e=f.filter(e=>e.offset<=p&&e.offset+e.length>u);if(1>e.length)return d(new Error("Could not find file corresponnding to web seed range request"));h=e.map(e=>{const t=e.offset+e.length-1,n=this.url+("/"===this.url[this.url.length-1]?"":"/")+e.path;return{url:n,fileOffsetInRange:a(e.offset-u,0),start:a(u-e.offset,0),end:s(t,p-e.offset)}})}let m=0,g=!1,_;1<h.length&&(_=r.alloc(n)),h.forEach(r=>{function a(e,t){return 200>e.statusCode||300<=e.statusCode?(g=!0,d(new Error(`Unexpected HTTP status code ${e.statusCode}`))):void(o("Got data of length %d",t.length),1===h.length?d(null,t):(t.copy(_,r.fileOffsetInRange),++m===h.length&&d(null,_)))}const s=r.url,l=r.start,u=r.end;o("Requesting url=%s pieceIndex=%d offset=%d length=%d start=%d end=%d",s,e,t,n,l,u);const p={url:s,method:"GET",headers:{"user-agent":`WebTorrent/${c} (https://webtorrent.io)`,range:`bytes=${l}-${u}`}};i.concat(p,(e,t,n)=>g?void 0:e?"undefined"==typeof window||s.startsWith(`${window.location.origin}/`)?(g=!0,d(e)):i.head(s,(t,n)=>g?void 0:t?(g=!0,d(t)):200>n.statusCode||300<=n.statusCode?(g=!0,d(new Error(`Unexpected HTTP status code ${n.statusCode}`))):n.url===s?(g=!0,d(e)):void(p.url=n.url,i.concat(p,(e,t,n)=>g?void 0:e?(g=!0,d(e)):void a(t,n)))):void a(t,n))})}destroy(){super.destroy(),this._torrent=null}}},{"../package.json":229,bitfield:13,"bittorrent-protocol":14,debug:62,"safe-buffer":168,"simple-get":170,"simple-sha1":181}],7:[function(e,t){const n=/^\[?([^\]]+)\]?:(\d+)$/;let r={},o=0;t.exports=function(e){if(1e5===o&&t.exports.reset(),!r[e]){const t=n.exec(e);if(!t)throw new Error(`invalid addr: ${e}`);r[e]=[t[1],+t[2]],o+=1}return r[e]},t.exports.reset=function(){r={},o=0}},{}],8:[function(e,t,n){"use strict";function r(e){var t=e.length;if(0<t%4)throw new Error("Invalid string. Length must be a multiple of 4");var n=e.indexOf("=");-1===n&&(n=t);var r=n===t?0:4-n%4;return[n,r]}function o(e,t,n){return 3*(t+n)/4-n}function a(e){for(var t=r(e),n=t[0],a=t[1],s=new p(o(e,n,a)),d=0,l=0<a?n-4:n,c=0,f;c<l;c+=4)f=u[e.charCodeAt(c)]<<18|u[e.charCodeAt(c+1)]<<12|u[e.charCodeAt(c+2)]<<6|u[e.charCodeAt(c+3)],s[d++]=255&f>>16,s[d++]=255&f>>8,s[d++]=255&f;return 2===a&&(f=u[e.charCodeAt(c)]<<2|u[e.charCodeAt(c+1)]>>4,s[d++]=255&f),1===a&&(f=u[e.charCodeAt(c)]<<10|u[e.charCodeAt(c+1)]<<4|u[e.charCodeAt(c+2)]>>2,s[d++]=255&f>>8,s[d++]=255&f),s}function s(e){return c[63&e>>18]+c[63&e>>12]+c[63&e>>6]+c[63&e]}function d(e,t,n){for(var r=[],o=t,a;o<n;o+=3)a=(16711680&e[o]<<16)+(65280&e[o+1]<<8)+(255&e[o+2]),r.push(s(a));return r.join("")}function l(e){for(var t=e.length,n=t%3,r=[],o=16383,a=0,s=t-n,l;a<s;a+=o)r.push(d(e,a,a+o>s?s:a+o));return 1===n?(l=e[t-1],r.push(c[l>>2]+c[63&l<<4]+"==")):2===n&&(l=(e[t-2]<<8)+e[t-1],r.push(c[l>>10]+c[63&l>>4]+c[63&l<<2]+"=")),r.join("")}n.byteLength=function(e){var t=r(e),n=t[0],o=t[1];return 3*(n+o)/4-o},n.toByteArray=a,n.fromByteArray=l;for(var c=[],u=[],p="undefined"==typeof Uint8Array?Array:Uint8Array,f="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",h=0,m=f.length;h<m;++h)c[h]=f[h],u[f.charCodeAt(h)]=h;u[45]=62,u[95]=63},{}],9:[function(t,n){(function(t){function r(e,t,n){for(var r=0,o=1,a=t,s;a<n;a++){if(s=e[a],58>s&&48<=s){r=10*r+(s-48);continue}if(a!==t||43!==s){if(a===t&&45===s){o=-1;continue}if(46===s)break;throw new Error("not a number: buffer["+a+"] = "+s)}}return r*o}function o(e,n,r,i){return null==e||0===e.length?null:("number"!=typeof n&&null==i&&(i=n,n=void 0),"number"!=typeof r&&null==i&&(i=r,r=void 0),o.position=0,o.encoding=i||null,o.data=t.isBuffer(e)?e.slice(n,r):new t(e),o.bytes=o.data.length,o.next())}const i=101;o.bytes=0,o.position=0,o.data=null,o.encoding=null,o.next=function(){switch(o.data[o.position]){case 100:return o.dictionary();case 108:return o.list();case 105:return o.integer();default:return o.buffer();}},o.find=function(t){for(var n=o.position,r=o.data.length,a=o.data;n<r;){if(a[n]===t)return n;n++}throw new Error("Invalid data: Missing delimiter \""+e(t)+"\" [0x"+t.toString(16)+"]")},o.dictionary=function(){o.position++;for(var e={};o.data[o.position]!==i;)e[o.buffer()]=o.next();return o.position++,e},o.list=function(){o.position++;for(var e=[];o.data[o.position]!==i;)e.push(o.next());return o.position++,e},o.integer=function(){var e=o.find(i),t=r(o.data,o.position+1,e);return o.position+=e+1-o.position,t},o.buffer=function(){var e=o.find(58),t=r(o.data,o.position,e),n=++e+t;return o.position=n,o.encoding?o.data.toString(o.encoding,e,n):o.data.slice(e,n)},n.exports=o}).call(this,t("buffer").Buffer)},{buffer:41}],10:[function(e,t){function n(e,t,o){var i=[],a=null;return n._encode(i,e),a=r.concat(i),n.bytes=a.length,r.isBuffer(t)?(a.copy(t,o),t):a}var r=e("safe-buffer").Buffer;n.bytes=-1,n._floatConversionDetected=!1,n.getType=function(e){return r.isBuffer(e)?"buffer":Array.isArray(e)?"array":ArrayBuffer.isView(e)?"arraybufferview":e instanceof Number?"number":e instanceof Boolean?"boolean":e instanceof ArrayBuffer?"arraybuffer":typeof e},n._encode=function(e,t){if(null!=t)switch(n.getType(t)){case"buffer":n.buffer(e,t);break;case"object":n.dict(e,t);break;case"array":n.list(e,t);break;case"string":n.string(e,t);break;case"number":n.number(e,t);break;case"boolean":n.number(e,t);break;case"arraybufferview":n.buffer(e,r.from(t.buffer,t.byteOffset,t.byteLength));break;case"arraybuffer":n.buffer(e,r.from(t));}};var o=r.from("e"),i=r.from("d"),a=r.from("l");n.buffer=function(e,t){e.push(new r(t.length+":"),t)},n.string=function(e,t){e.push(r.from(r.byteLength(t)+":"+t))},n.number=function(e,t){var o=(t/2147483648<<0)*2147483648+(t%2147483648<<0);e.push(r.from("i"+o+"e")),o===t||n._floatConversionDetected||(n._floatConversionDetected=!0,console.warn("WARNING: Possible data corruption detected with value \""+t+"\":","Bencoding only defines support for integers, value was converted to \""+o+"\""),console.trace())},n.dict=function(e,t){e.push(i);for(var r=0,a=Object.keys(t).sort(),s=a.length,d;r<s;r++)d=a[r],null==t[d]||(n.string(e,d),n._encode(e,t[d]));e.push(o)},n.list=function(e,t){var r=0,s=t.length;for(e.push(a);r<s;r++)null!=t[r]&&n._encode(e,t[r]);e.push(o)},t.exports=n},{"safe-buffer":168}],11:[function(e,t){var n=t.exports;n.encode=e("./encode"),n.decode=e("./decode"),n.byteLength=n.encodingLength=function(e){return n.encode(e).length}},{"./decode":9,"./encode":10}],12:[function(e,t){t.exports=function(e,t,n,r,o){var i,a;if(void 0===r)r=0;else if(r|=0,0>r||r>=e.length)throw new RangeError("invalid lower bound");if(void 0===o)o=e.length-1;else if(o|=0,o<r||o>=e.length)throw new RangeError("invalid upper bound");for(;r<=o;)if(i=r+(o-r>>1),a=+n(e[i],t,i,e),0>a)r=i+1;else if(0<a)o=i-1;else return i;return~r}},{}],13:[function(e,t){(function(e){function n(e,t){return this instanceof n?void(0===arguments.length&&(e=0),this.grow=t&&(isFinite(t.grow)&&r(t.grow)||t.grow)||0,("number"==typeof e||e===void 0)&&(e=new o(r(e)),e.fill&&!e._isBuffer&&e.fill(0)),this.buffer=e):new n(e,t)}function r(e){var t=e>>3;return 0!=e%8&&t++,t}var o="undefined"==typeof e?Uint8Array:e;n.prototype.get=function(e){var t=e>>3;return t<this.buffer.length&&!!(this.buffer[t]&128>>e%8)},n.prototype.set=function(e,t){var n=e>>3;t||1===arguments.length?(this.buffer.length<n+1&&this._grow(a(n+1,s(2*this.buffer.length,this.grow))),this.buffer[n]|=128>>e%8):n<this.buffer.length&&(this.buffer[n]&=~(128>>e%8))},n.prototype._grow=function(e){if(this.buffer.length<e&&e<=this.grow){var t=new o(e);if(t.fill&&t.fill(0),this.buffer.copy)this.buffer.copy(t,0);else for(var n=0;n<this.buffer.length;n++)t[n]=this.buffer[n];this.buffer=t}},"undefined"!=typeof t&&(t.exports=n)}).call(this,e("buffer").Buffer)},{buffer:41}],14:[function(e,t){(function(n){const r=e("unordered-array-remove"),o=e("bencode"),i=e("bitfield"),a=e("debug")("bittorrent-protocol"),s=e("xtend"),d=e("randombytes"),l=e("speedometer"),c=e("readable-stream"),u=n.from("\x13BitTorrent protocol"),p=n.from([0,0,0,0]),f=n.from([0,0,0,1,0]),h=n.from([0,0,0,1,1]),m=n.from([0,0,0,1,2]),g=n.from([0,0,0,1,3]),_=[0,0,0,0,0,0,0,0],b=[0,0,0,3,9,0,0];class y{constructor(e,t,n,r){this.piece=e,this.offset=t,this.length=n,this.callback=r}}class w extends c.Duplex{constructor(){super(),this._debugId=d(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 i(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=l(),this.downloadSpeed=l(),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(e){this._debug("setKeepAlive %s",e),clearInterval(this._keepAliveInterval);!1===e||(this._keepAliveInterval=setInterval(()=>{this.keepAlive()},55e3))}setTimeout(e,t){this._debug("setTimeout ms=%d unref=%s",e,t),this._clearTimeout(),this._timeoutMs=e,this._timeoutUnref=!!t,this._updateTimeout()}destroy(){this.destroyed||(this.destroyed=!0,this._debug("destroy"),this.emit("close"),this.end())}end(...e){this._debug("end"),this._onUninterested(),this._onChoke(),super.end(...e)}use(e){function t(){}const n=e.prototype.name;if(!n)throw new Error("Extension class requires a \"name\" property on the prototype");this._debug("use extension.name=%s",n);const r=this._nextExt,o=new e(this);"function"!=typeof o.onHandshake&&(o.onHandshake=t),"function"!=typeof o.onExtendedHandshake&&(o.onExtendedHandshake=t),"function"!=typeof o.onMessage&&(o.onMessage=t),this.extendedMapping[r]=n,this._ext[n]=o,this[n]=o,this._nextExt+=1}keepAlive(){this._debug("keep-alive"),this._push(p)}handshake(e,t,r){let o,i;if("string"==typeof e?(e=e.toLowerCase(),o=n.from(e,"hex")):(o=e,e=o.toString("hex")),"string"==typeof t?i=n.from(t,"hex"):(i=t,t=i.toString("hex")),20!==o.length||20!==i.length)throw new Error("infoHash and peerId MUST have length 20");this._debug("handshake i=%s p=%s exts=%o",e,t,r);const a=n.from(_);a[5]|=16,r&&r.dht&&(a[7]|=1),this._push(n.concat([u,a,o,i])),this._handshakeSent=!0,this.peerExtensions.extended&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()}_sendExtendedHandshake(){const e=s(this.extendedHandshake);for(const t in e.m={},this.extendedMapping){const n=this.extendedMapping[t];e.m[n]=+t}this.extended(0,o.encode(e)),this._extendedHandshakeSent=!0}choke(){if(!this.amChoking){for(this.amChoking=!0,this._debug("choke");this.peerRequests.length;)this.peerRequests.pop();this._push(f)}}unchoke(){this.amChoking&&(this.amChoking=!1,this._debug("unchoke"),this._push(h))}interested(){this.amInterested||(this.amInterested=!0,this._debug("interested"),this._push(m))}uninterested(){this.amInterested&&(this.amInterested=!1,this._debug("uninterested"),this._push(g))}have(e){this._debug("have %d",e),this._message(4,[e],null)}bitfield(e){this._debug("bitfield"),n.isBuffer(e)||(e=e.buffer),this._message(5,[],e)}request(e,t,n,r){return r||(r=()=>{}),this._finished?r(new Error("wire is closed")):this.peerChoking?r(new Error("peer is choking")):void(this._debug("request index=%d offset=%d length=%d",e,t,n),this.requests.push(new y(e,t,n,r)),this._updateTimeout(),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(e){this._debug("port %d",e);const t=n.from(b);t.writeUInt16BE(e,5),this._push(t)}extended(e,t){if(this._debug("extended ext=%s",e),"string"==typeof e&&this.peerExtendedMapping[e]&&(e=this.peerExtendedMapping[e]),"number"==typeof e){const r=n.from([e]),i=n.isBuffer(t)?t:o.encode(t);this._message(20,[],n.concat([r,i]))}else throw new Error(`Unrecognized extension: ${e}`)}_read(){}_message(e,t,r){const o=r?r.length:0,a=n.allocUnsafe(5+4*t.length);a.writeUInt32BE(a.length+o-4,0),a[4]=e;for(let n=0;n<t.length;n++)a.writeUInt32BE(t[n],5+4*n);this._push(a),r&&this._push(r)}_push(e){return this._finished?void 0:this.push(e)}_onKeepAlive(){this._debug("got keep-alive"),this.emit("keep-alive")}_onHandshake(e,t,n){const r=e.toString("hex"),o=t.toString("hex");this._debug("got handshake i=%s p=%s exts=%o",r,o,n),this.peerId=o,this.peerIdBuffer=t,this.peerExtensions=n,this.emit("handshake",r,o,n);for(var i in this._ext)this._ext[i].onHandshake(r,o,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 i(e),this._debug("got bitfield"),this.emit("bitfield",this.peerPieces)}_onRequest(e,t,n){if(!this.amChoking){this._debug("got request index=%d offset=%d length=%d",e,t,n);const o=(o,i)=>r===this._pull(this.peerRequests,e,t,n)?o?this._debug("error satisfying request index=%d offset=%d length=%d (%s)",e,t,n,o.message):void this.piece(e,t,i):void 0;var r=new y(e,t,n,o);this.peerRequests.push(r),this.emit("request",e,t,n,o)}}_onPiece(e,t,n){this._debug("got piece index=%d offset=%d",e,t),this._callback(this._pull(this.requests,e,t,n.length),null,n),this.downloaded+=n.length,this.downloadSpeed(n.length),this.emit("download",n.length),this.emit("piece",e,t,n)}_onCancel(e,t,n){this._debug("got cancel index=%d offset=%d length=%d",e,t,n),this._pull(this.peerRequests,e,t,n),this.emit("cancel",e,t,n)}_onPort(e){this._debug("got port %d",e),this.emit("port",e)}_onExtended(e,t){if(0===e){let e;try{e=o.decode(t)}catch(e){this._debug("ignoring invalid extended handshake: %s",e.message||e)}if(!e)return;this.peerExtendedHandshake=e;if("object"==typeof e.m)for(var n in e.m)this.peerExtendedMapping[n]=+e.m[n].toString();for(n in this._ext)this.peerExtendedMapping[n]&&this._ext[n].onExtendedHandshake(this.peerExtendedHandshake);this._debug("got extended handshake"),this.emit("extended","handshake",this.peerExtendedHandshake)}else this.extendedMapping[e]&&(e=this.extendedMapping[e],this._ext[e]&&this._ext[e].onMessage(t)),this._debug("got extended message 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(e,t,r){for(this._bufferSize+=e.length,this._buffer.push(e);this._bufferSize>=this._parserSize;){const e=1===this._buffer.length?this._buffer[0]:n.concat(this._buffer);this._bufferSize-=this._parserSize,this._buffer=this._bufferSize?[e.slice(this._parserSize)]:[],this._parser(e.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);0<t?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);return"BitTorrent protocol"===n.toString()?void(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)):(this._debug("Error: wire not speaking BitTorrent protocol (%s)",n.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(...e){e[0]=`[${this._debugId}] ${e[0]}`,a(...e)}_pull(e,t,n,o){for(let a=0;a<e.length;a++){const i=e[a];if(i.piece===t&&i.offset===n&&i.length===o)return r(e,a),i}return null}}t.exports=w}).call(this,e("buffer").Buffer)},{bencode:11,bitfield:13,buffer:41,debug:62,randombytes:139,"readable-stream":23,speedometer:192,"unordered-array-remove":219,xtend:227}],15:[function(e,t){"use strict";function n(e){return this instanceof n?void(d.call(this,e),l.call(this,e),e&&!1===e.readable&&(this.readable=!1),e&&!1===e.writable&&(this.writable=!1),this.allowHalfOpen=!0,e&&!1===e.allowHalfOpen&&(this.allowHalfOpen=!1),this.once("end",r)):new n(e)}function r(){this.allowHalfOpen||this._writableState.ended||i.nextTick(o,this)}function o(e){e.end()}var i=e("process-nextick-args"),a=Object.keys||function(e){var t=[];for(var n in e)t.push(n);return t};t.exports=n;var s=e("core-util-is");s.inherits=e("inherits");var d=e("./_stream_readable"),l=e("./_stream_writable");s.inherits(n,d);for(var c=a(l.prototype),u=0,p;u<c.length;u++)p=c[u],n.prototype[p]||(n.prototype[p]=l.prototype[p]);Object.defineProperty(n.prototype,"writableHighWaterMark",{enumerable:!1,get:function(){return this._writableState.highWaterMark}}),Object.defineProperty(n.prototype,"destroyed",{get:function(){return void 0!==this._readableState&&void 0!==this._writableState&&this._readableState.destroyed&&this._writableState.destroyed},set:function(e){void 0===this._readableState||void 0===this._writableState||(this._readableState.destroyed=e,this._writableState.destroyed=e)}}),n.prototype._destroy=function(e,t){this.push(null),this.end(),i.nextTick(t,e)}},{"./_stream_readable":17,"./_stream_writable":19,"core-util-is":60,inherits:80,"process-nextick-args":131}],16:[function(e,t){"use strict";function n(e){return this instanceof n?void r.call(this,e):new n(e)}t.exports=n;var r=e("./_stream_transform"),o=e("core-util-is");o.inherits=e("inherits"),o.inherits(n,r),n.prototype._transform=function(e,t,n){n(null,e)}},{"./_stream_transform":18,"core-util-is":60,inherits:80}],17:[function(e,t){(function(n,o){"use strict";function i(e){return H.from(e)}function a(e){return H.isBuffer(e)||e instanceof q}function s(e,t,n){return"function"==typeof e.prependListener?e.prependListener(t,n):void(e._events&&e._events[t]?P(e._events[t])?e._events[t].unshift(n):e._events[t]=[n,e._events[t]]:e.on(t,n))}function d(t,n){M=M||e("./_stream_duplex"),t=t||{};var o=n instanceof M;this.objectMode=!!t.objectMode,o&&(this.objectMode=this.objectMode||!!t.readableObjectMode);var i=t.highWaterMark,a=t.readableHighWaterMark,s=this.objectMode?16:16384;this.highWaterMark=i||0===i?i:o&&(a||0===a)?a:s,this.highWaterMark=r(this.highWaterMark),this.buffer=new z,this.length=0,this.pipes=null,this.pipesCount=0,this.flowing=null,this.ended=!1,this.endEmitted=!1,this.reading=!1,this.sync=!0,this.needReadable=!1,this.emittedReadable=!1,this.readableListening=!1,this.resumeScheduled=!1,this.destroyed=!1,this.defaultEncoding=t.defaultEncoding||"utf8",this.awaitDrain=0,this.readingMore=!1,this.decoder=null,this.encoding=null,t.encoding&&(!G&&(G=e("string_decoder/").StringDecoder),this.decoder=new G(t.encoding),this.encoding=t.encoding)}function l(t){return M=M||e("./_stream_duplex"),this instanceof l?void(this._readableState=new d(t,this),this.readable=!0,t&&("function"==typeof t.read&&(this._read=t.read),"function"==typeof t.destroy&&(this._destroy=t.destroy)),N.call(this)):new l(t)}function c(e,t,n,r,o){var a=e._readableState;if(null===t)a.reading=!1,g(e,a);else{var s;o||(s=p(a,t)),s?e.emit("error",s):a.objectMode||t&&0<t.length?("string"!=typeof t&&!a.objectMode&&Object.getPrototypeOf(t)!==H.prototype&&(t=i(t)),r?a.endEmitted?e.emit("error",new Error("stream.unshift() after end event")):u(e,a,t,!0):a.ended?e.emit("error",new Error("stream.push() after EOF")):(a.reading=!1,a.decoder&&!n?(t=a.decoder.write(t),a.objectMode||0!==t.length?u(e,a,t,!1):y(e,a)):u(e,a,t,!1))):!r&&(a.reading=!1)}return f(a)}function u(e,t,n,r){t.flowing&&0===t.length&&!t.sync?(e.emit("data",n),e.read(0)):(t.length+=t.objectMode?1:n.length,r?t.buffer.unshift(n):t.buffer.push(n),t.needReadable&&_(e)),y(e,t)}function p(e,t){var n;return a(t)||"string"==typeof t||void 0===t||e.objectMode||(n=new TypeError("Invalid non-string/buffer chunk")),n}function f(e){return!e.ended&&(e.needReadable||e.length<e.highWaterMark||0===e.length)}function h(e){return 8388608<=e?e=8388608:(e--,e|=e>>>1,e|=e>>>2,e|=e>>>4,e|=e>>>8,e|=e>>>16,e++),e}function m(e,t){return 0>=e||0===t.length&&t.ended?0:t.objectMode?1:e===e?(e>t.highWaterMark&&(t.highWaterMark=h(e)),e<=t.length?e:t.ended?t.length:(t.needReadable=!0,0)):t.flowing&&t.length?t.buffer.head.data.length:t.length}function g(e,t){if(!t.ended){if(t.decoder){var n=t.decoder.end();n&&n.length&&(t.buffer.push(n),t.length+=t.objectMode?1:n.length)}t.ended=!0,_(e)}}function _(e){var t=e._readableState;t.needReadable=!1,t.emittedReadable||(W("emitReadable",t.flowing),t.emittedReadable=!0,t.sync?U.nextTick(b,e):b(e))}function b(e){W("emit readable"),e.emit("readable"),E(e)}function y(e,t){t.readingMore||(t.readingMore=!0,U.nextTick(w,e,t))}function w(e,t){for(var n=t.length;!t.reading&&!t.flowing&&!t.ended&&t.length<t.highWaterMark&&(W("maybeReadMore read 0"),e.read(0),n!==t.length);)n=t.length;t.readingMore=!1}function k(e){return function(){var t=e._readableState;W("pipeOnDrain",t.awaitDrain),t.awaitDrain&&t.awaitDrain--,0===t.awaitDrain&&j(e,"data")&&(t.flowing=!0,E(e))}}function x(e){W("readable nexttick read 0"),e.read(0)}function S(e,t){t.resumeScheduled||(t.resumeScheduled=!0,U.nextTick(v,e,t))}function v(e,t){t.reading||(W("resume read 0"),e.read(0)),t.resumeScheduled=!1,t.awaitDrain=0,e.emit("resume"),E(e),t.flowing&&!t.reading&&e.read(0)}function E(e){var t=e._readableState;for(W("flow",t.flowing);t.flowing&&null!==e.read(););}function C(e,t){if(0===t.length)return null;var n;return t.objectMode?n=t.buffer.shift():!e||e>=t.length?(n=t.decoder?t.buffer.join(""):1===t.buffer.length?t.buffer.head.data:t.buffer.concat(t.length),t.buffer.clear()):n=L(e,t.buffer,t.decoder),n}function L(e,t,n){var r;return e<t.head.data.length?(r=t.head.data.slice(0,e),t.head.data=t.head.data.slice(e)):e===t.head.data.length?r=t.shift():r=n?B(e,t):I(e,t),r}function B(e,t){var r=t.head,o=1,i=r.data;for(e-=i.length;r=r.next;){var a=r.data,s=e>a.length?a.length:e;if(i+=s===a.length?a:a.slice(0,e),e-=s,0===e){s===a.length?(++o,t.head=r.next?r.next:t.tail=null):(t.head=r,r.data=a.slice(s));break}++o}return t.length-=o,i}function I(e,t){var r=H.allocUnsafe(e),o=t.head,i=1;for(o.data.copy(r),e-=o.data.length;o=o.next;){var a=o.data,s=e>a.length?a.length:e;if(a.copy(r,r.length-e,0,s),e-=s,0===e){s===a.length?(++i,t.head=o.next?o.next:t.tail=null):(t.head=o,o.data=a.slice(s));break}++i}return t.length-=i,r}function T(e){var t=e._readableState;if(0<t.length)throw new Error("\"endReadable()\" called on non-empty stream");t.endEmitted||(t.ended=!0,U.nextTick(R,t,e))}function R(e,t){e.endEmitted||0!==e.length||(e.endEmitted=!0,t.readable=!1,t.emit("end"))}function A(e,t){for(var n=0,r=e.length;n<r;n++)if(e[n]===t)return n;return-1}var U=e("process-nextick-args");t.exports=l;var P=e("isarray"),M;l.ReadableState=d;var O=e("events").EventEmitter,j=function(e,t){return e.listeners(t).length},N=e("./internal/streams/stream"),H=e("safe-buffer").Buffer,q=o.Uint8Array||function(){},D=e("core-util-is");D.inherits=e("inherits");var F=e("util"),W=void 0;W=F&&F.debuglog?F.debuglog("stream"):function(){};var z=e("./internal/streams/BufferList"),V=e("./internal/streams/destroy"),G;D.inherits(l,N);var K=["error","close","destroy","pause","resume"];Object.defineProperty(l.prototype,"destroyed",{get:function(){return void 0!==this._readableState&&this._readableState.destroyed},set:function(e){this._readableState&&(this._readableState.destroyed=e)}}),l.prototype.destroy=V.destroy,l.prototype._undestroy=V.undestroy,l.prototype._destroy=function(e,t){this.push(null),t(e)},l.prototype.push=function(e,t){var n=this._readableState,r;return n.objectMode?r=!0:"string"==typeof e&&(t=t||n.defaultEncoding,t!==n.encoding&&(e=H.from(e,t),t=""),r=!0),c(this,e,t,!1,r)},l.prototype.unshift=function(e){return c(this,e,null,!0,!1)},l.prototype.isPaused=function(){return!1===this._readableState.flowing},l.prototype.setEncoding=function(t){return G||(G=e("string_decoder/").StringDecoder),this._readableState.decoder=new G(t),this._readableState.encoding=t,this};l.prototype.read=function(e){W("read",e),e=parseInt(e,10);var t=this._readableState,r=e;if(0!==e&&(t.emittedReadable=!1),0===e&&t.needReadable&&(t.length>=t.highWaterMark||t.ended))return W("read: emitReadable",t.length,t.ended),0===t.length&&t.ended?T(this):_(this),null;if(e=m(e,t),0===e&&t.ended)return 0===t.length&&T(this),null;var o=t.needReadable;W("need readable",o),(0===t.length||t.length-e<t.highWaterMark)&&(o=!0,W("length less than watermark",o)),t.ended||t.reading?(o=!1,W("reading or ended",o)):o&&(W("do read"),t.reading=!0,t.sync=!0,0===t.length&&(t.needReadable=!0),this._read(t.highWaterMark),t.sync=!1,!t.reading&&(e=m(r,t)));var i;return i=0<e?C(e,t):null,null===i?(t.needReadable=!0,e=0):t.length-=e,0===t.length&&(!t.ended&&(t.needReadable=!0),r!==e&&t.ended&&T(this)),null!==i&&this.emit("data",i),i},l.prototype._read=function(){this.emit("error",new Error("_read() is not implemented"))},l.prototype.pipe=function(e,t){function r(e,t){W("onunpipe"),e===p&&t&&!1===t.hasUnpiped&&(t.hasUnpiped=!0,i())}function o(){W("onend"),e.end()}function i(){W("cleanup"),e.removeListener("close",l),e.removeListener("finish",c),e.removeListener("drain",g),e.removeListener("error",d),e.removeListener("unpipe",r),p.removeListener("end",o),p.removeListener("end",u),p.removeListener("data",a),_=!0,f.awaitDrain&&(!e._writableState||e._writableState.needDrain)&&g()}function a(t){W("ondata"),b=!1;var n=e.write(t);!1!==n||b||((1===f.pipesCount&&f.pipes===e||1<f.pipesCount&&-1!==A(f.pipes,e))&&!_&&(W("false write response, pause",p._readableState.awaitDrain),p._readableState.awaitDrain++,b=!0),p.pause())}function d(t){W("onerror",t),u(),e.removeListener("error",d),0===j(e,"error")&&e.emit("error",t)}function l(){e.removeListener("finish",c),u()}function c(){W("onfinish"),e.removeListener("close",l),u()}function u(){W("unpipe"),p.unpipe(e)}var p=this,f=this._readableState;switch(f.pipesCount){case 0:f.pipes=e;break;case 1:f.pipes=[f.pipes,e];break;default:f.pipes.push(e);}f.pipesCount+=1,W("pipe count=%d opts=%j",f.pipesCount,t);var h=(!t||!1!==t.end)&&e!==n.stdout&&e!==n.stderr,m=h?o:u;f.endEmitted?U.nextTick(m):p.once("end",m),e.on("unpipe",r);var g=k(p);e.on("drain",g);var _=!1,b=!1;return p.on("data",a),s(e,"error",d),e.once("close",l),e.once("finish",c),e.emit("pipe",p),f.flowing||(W("pipe resume"),p.resume()),e},l.prototype.unpipe=function(e){var t=this._readableState,n={hasUnpiped:!1};if(0===t.pipesCount)return this;if(1===t.pipesCount)return e&&e!==t.pipes?this:(e||(e=t.pipes),t.pipes=null,t.pipesCount=0,t.flowing=!1,e&&e.emit("unpipe",this,n),this);if(!e){var r=t.pipes,o=t.pipesCount;t.pipes=null,t.pipesCount=0,t.flowing=!1;for(var a=0;a<o;a++)r[a].emit("unpipe",this,n);return this}var s=A(t.pipes,e);return-1===s?this:(t.pipes.splice(s,1),t.pipesCount-=1,1===t.pipesCount&&(t.pipes=t.pipes[0]),e.emit("unpipe",this,n),this)},l.prototype.on=function(e,t){var n=N.prototype.on.call(this,e,t);if("data"===e)!1!==this._readableState.flowing&&this.resume();else if("readable"===e){var r=this._readableState;r.endEmitted||r.readableListening||(r.readableListening=r.needReadable=!0,r.emittedReadable=!1,r.reading?r.length&&_(this):U.nextTick(x,this))}return n},l.prototype.addListener=l.prototype.on,l.prototype.resume=function(){var e=this._readableState;return e.flowing||(W("resume"),e.flowing=!0,S(this,e)),this},l.prototype.pause=function(){return W("call pause flowing=%j",this._readableState.flowing),!1!==this._readableState.flowing&&(W("pause"),this._readableState.flowing=!1,this.emit("pause")),this},l.prototype.wrap=function(e){var t=this,r=this._readableState,o=!1;for(var a in e.on("end",function(){if(W("wrapped end"),r.decoder&&!r.ended){var e=r.decoder.end();e&&e.length&&t.push(e)}t.push(null)}),e.on("data",function(n){if((W("wrapped data"),r.decoder&&(n=r.decoder.write(n)),!(r.objectMode&&(null===n||void 0===n)))&&(r.objectMode||n&&n.length)){var i=t.push(n);i||(o=!0,e.pause())}}),e)void 0===this[a]&&"function"==typeof e[a]&&(this[a]=function(t){return function(){return e[t].apply(e,arguments)}}(a));for(var i=0;i<K.length;i++)e.on(K[i],this.emit.bind(this,K[i]));return this._read=function(t){W("wrapped _read",t),o&&(o=!1,e.resume())},this},Object.defineProperty(l.prototype,"readableHighWaterMark",{enumerable:!1,get:function(){return this._readableState.highWaterMark}}),l._fromList=C}).call(this,e("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"./_stream_duplex":15,"./internal/streams/BufferList":20,"./internal/streams/destroy":21,"./internal/streams/stream":22,_process:132,"core-util-is":60,events:42,inherits:80,isarray:85,"process-nextick-args":131,"safe-buffer":168,"string_decoder/":209,util:39}],18:[function(e,t){"use strict";function n(e,t){var n=this._transformState;n.transforming=!1;var r=n.writecb;if(!r)return this.emit("error",new Error("write callback called multiple times"));n.writechunk=null,n.writecb=null,null!=t&&this.push(t),r(e);var o=this._readableState;o.reading=!1,(o.needReadable||o.length<o.highWaterMark)&&this._read(o.highWaterMark)}function r(e){return this instanceof r?void(a.call(this,e),this._transformState={afterTransform:n.bind(this),needTransform:!1,transforming:!1,writecb:null,writechunk:null,writeencoding:null},this._readableState.needReadable=!0,this._readableState.sync=!1,e&&("function"==typeof e.transform&&(this._transform=e.transform),"function"==typeof e.flush&&(this._flush=e.flush)),this.on("prefinish",o)):new r(e)}function o(){var e=this;"function"==typeof this._flush?this._flush(function(t,n){i(e,t,n)}):i(this,null,null)}function i(e,t,n){if(t)return e.emit("error",t);if(null!=n&&e.push(n),e._writableState.length)throw new Error("Calling transform done when ws.length != 0");if(e._transformState.transforming)throw new Error("Calling transform done when still transforming");return e.push(null)}t.exports=r;var a=e("./_stream_duplex"),s=e("core-util-is");s.inherits=e("inherits"),s.inherits(r,a),r.prototype.push=function(e,t){return this._transformState.needTransform=!1,a.prototype.push.call(this,e,t)},r.prototype._transform=function(){throw new Error("_transform() is not implemented")},r.prototype._write=function(e,t,n){var r=this._transformState;if(r.writecb=n,r.writechunk=e,r.writeencoding=t,!r.transforming){var o=this._readableState;(r.needTransform||o.needReadable||o.length<o.highWaterMark)&&this._read(o.highWaterMark)}},r.prototype._read=function(){var e=this._transformState;null!==e.writechunk&&e.writecb&&!e.transforming?(e.transforming=!0,this._transform(e.writechunk,e.writeencoding,e.afterTransform)):e.needTransform=!0},r.prototype._destroy=function(e,t){var n=this;a.prototype._destroy.call(this,e,function(e){t(e),n.emit("close")})}},{"./_stream_duplex":15,"core-util-is":60,inherits:80}],19:[function(e,t){(function(n,o,i){"use strict";function a(e){var t=this;this.next=null,this.entry=null,this.finish=function(){B(t,e)}}function s(e){return M.from(e)}function d(e){return M.isBuffer(e)||e instanceof O}function l(){}function c(t,n){R=R||e("./_stream_duplex"),t=t||{};var o=n instanceof R;this.objectMode=!!t.objectMode,o&&(this.objectMode=this.objectMode||!!t.writableObjectMode);var i=t.highWaterMark,s=t.writableHighWaterMark,d=this.objectMode?16:16384;this.highWaterMark=i||0===i?i:o&&(s||0===s)?s:d,this.highWaterMark=r(this.highWaterMark),this.finalCalled=!1,this.needDrain=!1,this.ending=!1,this.ended=!1,this.finished=!1,this.destroyed=!1;var l=!1===t.decodeStrings;this.decodeStrings=!l,this.defaultEncoding=t.defaultEncoding||"utf8",this.length=0,this.writing=!1,this.corked=0,this.sync=!0,this.bufferProcessing=!1,this.onwrite=function(e){y(n,e)},this.writecb=null,this.writelen=0,this.bufferedRequest=null,this.lastBufferedRequest=null,this.pendingcb=0,this.prefinished=!1,this.errorEmitted=!1,this.bufferedRequestCount=0,this.corkedRequestsFree=new a(this)}function u(t){return R=R||e("./_stream_duplex"),N.call(u,this)||this instanceof R?void(this._writableState=new c(t,this),this.writable=!0,t&&("function"==typeof t.write&&(this._write=t.write),"function"==typeof t.writev&&(this._writev=t.writev),"function"==typeof t.destroy&&(this._destroy=t.destroy),"function"==typeof t.final&&(this._final=t.final)),P.call(this)):new u(t)}function p(e,t){var n=new Error("write after end");e.emit("error",n),I.nextTick(t,n)}function f(e,t,n,r){var o=!0,i=!1;return null===n?i=new TypeError("May not write null values to stream"):"string"!=typeof n&&void 0!==n&&!t.objectMode&&(i=new TypeError("Invalid non-string/buffer chunk")),i&&(e.emit("error",i),I.nextTick(r,i),o=!1),o}function h(e,t,n){return e.objectMode||!1===e.decodeStrings||"string"!=typeof t||(t=M.from(t,n)),t}function m(e,t,n,r,o,i){if(!n){var a=h(t,r,o);r!==a&&(n=!0,o="buffer",r=a)}var s=t.objectMode?1:r.length;t.length+=s;var d=t.length<t.highWaterMark;if(d||(t.needDrain=!0),t.writing||t.corked){var l=t.lastBufferedRequest;t.lastBufferedRequest={chunk:r,encoding:o,isBuf:n,callback:i,next:null},l?l.next=t.lastBufferedRequest:t.bufferedRequest=t.lastBufferedRequest,t.bufferedRequestCount+=1}else g(e,t,!1,s,r,o,i);return d}function g(e,t,n,r,o,i,a){t.writelen=r,t.writecb=a,t.writing=!0,t.sync=!0,n?e._writev(o,t.onwrite):e._write(o,i,t.onwrite),t.sync=!1}function _(e,t,n,r,o){--t.pendingcb,n?(I.nextTick(o,r),I.nextTick(C,e,t),e._writableState.errorEmitted=!0,e.emit("error",r)):(o(r),e._writableState.errorEmitted=!0,e.emit("error",r),C(e,t))}function b(e){e.writing=!1,e.writecb=null,e.length-=e.writelen,e.writelen=0}function y(e,t){var n=e._writableState,r=n.sync,o=n.writecb;if(b(n),t)_(e,n,r,t,o);else{var i=S(n);i||n.corked||n.bufferProcessing||!n.bufferedRequest||x(e,n),r?T(w,e,n,i,o):w(e,n,i,o)}}function w(e,t,n,r){n||k(e,t),t.pendingcb--,r(),C(e,t)}function k(e,t){0===t.length&&t.needDrain&&(t.needDrain=!1,e.emit("drain"))}function x(e,t){t.bufferProcessing=!0;var n=t.bufferedRequest;if(e._writev&&n&&n.next){var r=t.bufferedRequestCount,o=Array(r),i=t.corkedRequestsFree;i.entry=n;for(var s=0,d=!0;n;)o[s]=n,n.isBuf||(d=!1),n=n.next,s+=1;o.allBuffers=d,g(e,t,!0,t.length,o,"",i.finish),t.pendingcb++,t.lastBufferedRequest=null,i.next?(t.corkedRequestsFree=i.next,i.next=null):t.corkedRequestsFree=new a(t),t.bufferedRequestCount=0}else{for(;n;){var l=n.chunk,c=n.encoding,u=n.callback,p=t.objectMode?1:l.length;if(g(e,t,!1,p,l,c,u),n=n.next,t.bufferedRequestCount--,t.writing)break}null===n&&(t.lastBufferedRequest=null)}t.bufferedRequest=n,t.bufferProcessing=!1}function S(e){return e.ending&&0===e.length&&null===e.bufferedRequest&&!e.finished&&!e.writing}function v(e,t){e._final(function(n){t.pendingcb--,n&&e.emit("error",n),t.prefinished=!0,e.emit("prefinish"),C(e,t)})}function E(e,t){t.prefinished||t.finalCalled||("function"==typeof e._final?(t.pendingcb++,t.finalCalled=!0,I.nextTick(v,e,t)):(t.prefinished=!0,e.emit("prefinish")))}function C(e,t){var n=S(t);return n&&(E(e,t),0===t.pendingcb&&(t.finished=!0,e.emit("finish"))),n}function L(e,t,n){t.ending=!0,C(e,t),n&&(t.finished?I.nextTick(n):e.once("finish",n)),t.ended=!0,e.writable=!1}function B(e,t,n){var r=e.entry;for(e.entry=null;r;){var o=r.callback;t.pendingcb--,o(n),r=r.next}t.corkedRequestsFree?t.corkedRequestsFree.next=e:t.corkedRequestsFree=e}var I=e("process-nextick-args");t.exports=u;var T=!n.browser&&-1<["v0.10","v0.9."].indexOf(n.version.slice(0,5))?i:I.nextTick,R;u.WritableState=c;var A=e("core-util-is");A.inherits=e("inherits");var U={deprecate:e("util-deprecate")},P=e("./internal/streams/stream"),M=e("safe-buffer").Buffer,O=o.Uint8Array||function(){},j=e("./internal/streams/destroy");A.inherits(u,P),c.prototype.getBuffer=function(){for(var e=this.bufferedRequest,t=[];e;)t.push(e),e=e.next;return t},function(){try{Object.defineProperty(c.prototype,"buffer",{get:U.deprecate(function(){return this.getBuffer()},"_writableState.buffer is deprecated. Use _writableState.getBuffer instead.","DEP0003")})}catch(e){}}();var N;"function"==typeof Symbol&&Symbol.hasInstance&&"function"==typeof Function.prototype[Symbol.hasInstance]?(N=Function.prototype[Symbol.hasInstance],Object.defineProperty(u,Symbol.hasInstance,{value:function(e){return!!N.call(this,e)||!(this!==u)&&e&&e._writableState instanceof c}})):N=function(e){return e instanceof this},u.prototype.pipe=function(){this.emit("error",new Error("Cannot pipe, not readable"))},u.prototype.write=function(e,t,n){var r=this._writableState,o=!1,i=!r.objectMode&&d(e);return i&&!M.isBuffer(e)&&(e=s(e)),"function"==typeof t&&(n=t,t=null),i?t="buffer":!t&&(t=r.defaultEncoding),"function"!=typeof n&&(n=l),r.ended?p(this,n):(i||f(this,r,e,n))&&(r.pendingcb++,o=m(this,r,i,e,t,n)),o},u.prototype.cork=function(){var e=this._writableState;e.corked++},u.prototype.uncork=function(){var e=this._writableState;e.corked&&(e.corked--,!e.writing&&!e.corked&&!e.finished&&!e.bufferProcessing&&e.bufferedRequest&&x(this,e))},u.prototype.setDefaultEncoding=function(e){if("string"==typeof e&&(e=e.toLowerCase()),!(-1<["hex","utf8","utf-8","ascii","binary","base64","ucs2","ucs-2","utf16le","utf-16le","raw"].indexOf((e+"").toLowerCase())))throw new TypeError("Unknown encoding: "+e);return this._writableState.defaultEncoding=e,this},Object.defineProperty(u.prototype,"writableHighWaterMark",{enumerable:!1,get:function(){return this._writableState.highWaterMark}}),u.prototype._write=function(e,t,n){n(new Error("_write() is not implemented"))},u.prototype._writev=null,u.prototype.end=function(e,t,n){var r=this._writableState;"function"==typeof e?(n=e,e=null,t=null):"function"==typeof t&&(n=t,t=null),null!==e&&e!==void 0&&this.write(e,t),r.corked&&(r.corked=1,this.uncork()),r.ending||r.finished||L(this,r,n)},Object.defineProperty(u.prototype,"destroyed",{get:function(){return void 0!==this._writableState&&this._writableState.destroyed},set:function(e){this._writableState&&(this._writableState.destroyed=e)}}),u.prototype.destroy=j.destroy,u.prototype._undestroy=j.undestroy,u.prototype._destroy=function(e,t){this.end(),t(e)}}).call(this,e("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global,e("timers").setImmediate)},{"./_stream_duplex":15,"./internal/streams/destroy":21,"./internal/streams/stream":22,_process:132,"core-util-is":60,inherits:80,"process-nextick-args":131,"safe-buffer":168,timers:212,"util-deprecate":223}],20:[function(e,t){"use strict";function n(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function r(e,t,n){e.copy(t,n)}var o=e("safe-buffer").Buffer,i=e("util");t.exports=function(){function e(){n(this,e),this.head=null,this.tail=null,this.length=0}return e.prototype.push=function(e){var t={data:e,next:null};0<this.length?this.tail.next=t:this.head=t,this.tail=t,++this.length},e.prototype.unshift=function(e){var t={data:e,next:this.head};0===this.length&&(this.tail=t),this.head=t,++this.length},e.prototype.shift=function(){if(0!==this.length){var e=this.head.data;return this.head=1===this.length?this.tail=null:this.head.next,--this.length,e}},e.prototype.clear=function(){this.head=this.tail=null,this.length=0},e.prototype.join=function(e){if(0===this.length)return"";for(var t=this.head,n=""+t.data;t=t.next;)n+=e+t.data;return n},e.prototype.concat=function(e){if(0===this.length)return o.alloc(0);if(1===this.length)return this.head.data;for(var t=o.allocUnsafe(e>>>0),n=this.head,a=0;n;)r(n.data,t,a),a+=n.data.length,n=n.next;return t},e}(),i&&i.inspect&&i.inspect.custom&&(t.exports.prototype[i.inspect.custom]=function(){var e=i.inspect({length:this.length});return this.constructor.name+" "+e})},{"safe-buffer":168,util:39}],21:[function(e,t){"use strict";function n(e,t){e.emit("error",t)}var r=e("process-nextick-args");t.exports={destroy:function(e,t){var o=this,i=this._readableState&&this._readableState.destroyed,a=this._writableState&&this._writableState.destroyed;return i||a?(t?t(e):e&&(!this._writableState||!this._writableState.errorEmitted)&&r.nextTick(n,this,e),this):(this._readableState&&(this._readableState.destroyed=!0),this._writableState&&(this._writableState.destroyed=!0),this._destroy(e||null,function(e){!t&&e?(r.nextTick(n,o,e),o._writableState&&(o._writableState.errorEmitted=!0)):t&&t(e)}),this)},undestroy:function(){this._readableState&&(this._readableState.destroyed=!1,this._readableState.reading=!1,this._readableState.ended=!1,this._readableState.endEmitted=!1),this._writableState&&(this._writableState.destroyed=!1,this._writableState.ended=!1,this._writableState.ending=!1,this._writableState.finished=!1,this._writableState.errorEmitted=!1)}}},{"process-nextick-args":131}],22:[function(e,t){t.exports=e("events").EventEmitter},{events:42}],23:[function(e,t,n){n=t.exports=e("./lib/_stream_readable.js"),n.Stream=n,n.Readable=n,n.Writable=e("./lib/_stream_writable.js"),n.Duplex=e("./lib/_stream_duplex.js"),n.Transform=e("./lib/_stream_transform.js"),n.PassThrough=e("./lib/_stream_passthrough.js")},{"./lib/_stream_duplex.js":15,"./lib/_stream_passthrough.js":16,"./lib/_stream_readable.js":17,"./lib/_stream_transform.js":18,"./lib/_stream_writable.js":19}],24:[function(e,t){(function(n){function r(e){function t(e){n.nextTick(function(){s.emit("warning",e)})}var s=this;if(!(s instanceof r))return new r(e);if(a.call(s),e||(e={}),!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(!n.browser&&!e.port)throw new Error("Option `port` is required");s.peerId="string"==typeof e.peerId?e.peerId:e.peerId.toString("hex"),s._peerIdBuffer=o.from(s.peerId,"hex"),s._peerIdBinary=s._peerIdBuffer.toString("binary"),s.infoHash="string"==typeof e.infoHash?e.infoHash.toLowerCase():e.infoHash.toString("hex"),s._infoHashBuffer=o.from(s.infoHash,"hex"),s._infoHashBinary=s._infoHashBuffer.toString("binary"),i("new client %s",s.infoHash),s.destroyed=!1,s._port=e.port,s._getAnnounceOpts=e.getAnnounceOpts,s._rtcConfig=e.rtcConfig,s._userAgent=e.userAgent,s._wrtc="function"==typeof e.wrtc?e.wrtc():e.wrtc;var d="string"==typeof e.announce?[e.announce]:null==e.announce?[]:e.announce;d=d.map(function(e){return e=e.toString(),"/"===e[e.length-1]&&(e=e.substring(0,e.length-1)),e}),d=p(d);var l=!1!==s._wrtc&&(!!s._wrtc||u.WEBRTC_SUPPORT);s._trackers=d.map(function(e){var n=f.parse(e).protocol;return("http:"===n||"https:"===n)&&"function"==typeof m?new m(s,e):"udp:"===n&&"function"==typeof g?new g(s,e):("ws:"===n||"wss:"===n)&&l?"ws:"===n&&"undefined"!=typeof window&&"https:"===window.location.protocol?(t(new Error("Unsupported tracker protocol: "+e)),null):new _(s,e):(t(new Error("Unsupported tracker protocol: "+e)),null)}).filter(Boolean)}t.exports=r;var o=e("safe-buffer").Buffer,i=e("debug")("bittorrent-tracker:client"),a=e("events").EventEmitter,s=e("xtend"),d=e("inherits"),l=e("once"),c=e("run-parallel"),u=e("simple-peer"),p=e("uniq"),f=e("url"),h=e("./lib/common"),m=e("./lib/client/http-tracker"),g=e("./lib/client/udp-tracker"),_=e("./lib/client/websocket-tracker");d(r,a),r.scrape=function(e,t){if(t=l(t),!e.infoHash)throw new Error("Option `infoHash` is required");if(!e.announce)throw new Error("Option `announce` is required");var n=s(e,{infoHash:Array.isArray(e.infoHash)?e.infoHash[0]:e.infoHash,peerId:o.from("01234567890123456789"),port:6881}),i=new r(n);i.once("error",t),i.once("warning",t);var a=Array.isArray(e.infoHash)?e.infoHash.length:1,d={};return i.on("scrape",function(e){if(a-=1,d[e.infoHash]=e,0===a){i.destroy();var n=Object.keys(d);1===n.length?t(null,d[n[0]]):t(null,d)}}),e.infoHash=Array.isArray(e.infoHash)?e.infoHash.map(function(e){return o.from(e,"hex")}):o.from(e.infoHash,"hex"),i.scrape({infoHash:e.infoHash}),i},r.prototype.start=function(e){var t=this;i("send `start`"),e=t._defaultAnnounceOpts(e),e.event="started",t._announce(e),t._trackers.forEach(function(e){e.setInterval()})},r.prototype.stop=function(e){var t=this;i("send `stop`"),e=t._defaultAnnounceOpts(e),e.event="stopped",t._announce(e)},r.prototype.complete=function(e){var t=this;i("send `complete`"),e||(e={}),e=t._defaultAnnounceOpts(e),e.event="completed",t._announce(e)},r.prototype.update=function(e){var t=this;i("send `update`"),e=t._defaultAnnounceOpts(e),e.event&&delete e.event,t._announce(e)},r.prototype._announce=function(e){var t=this;t._trackers.forEach(function(t){t.announce(e)})},r.prototype.scrape=function(e){var t=this;i("send `scrape`"),e||(e={}),t._trackers.forEach(function(t){t.scrape(e)})},r.prototype.setInterval=function(e){var t=this;i("setInterval %d",e),t._trackers.forEach(function(t){t.setInterval(e)})},r.prototype.destroy=function(e){var t=this;if(!t.destroyed){t.destroyed=!0,i("destroy");var n=t._trackers.map(function(e){return function(t){e.destroy(t)}});c(n,e),t._trackers=[],t._getAnnounceOpts=null}},r.prototype._defaultAnnounceOpts=function(e){var t=this;return e||(e={}),null==e.numwant&&(e.numwant=h.DEFAULT_ANNOUNCE_PEERS),null==e.uploaded&&(e.uploaded=0),null==e.downloaded&&(e.downloaded=0),t._getAnnounceOpts&&(e=s(e,t._getAnnounceOpts())),e}}).call(this,e("_process"))},{"./lib/client/http-tracker":39,"./lib/client/udp-tracker":39,"./lib/client/websocket-tracker":26,"./lib/common":27,_process:132,debug:62,events:42,inherits:80,once:126,"run-parallel":166,"safe-buffer":168,"simple-peer":171,uniq:218,url:220,xtend:227}],25:[function(e,t){function n(e,t){var n=this;r.call(n),n.client=e,n.announceUrl=t,n.interval=null,n.destroyed=!1}t.exports=n;var r=e("events").EventEmitter,o=e("inherits");o(n,r),n.prototype.setInterval=function(e){var t=this;null==e&&(e=t.DEFAULT_ANNOUNCE_INTERVAL),clearInterval(t.interval),e&&(t.interval=setInterval(function(){t.announce(t.client._defaultAnnounceOpts())},e),t.interval.unref&&t.interval.unref())}},{events:42,inherits:80}],26:[function(e,t){function o(e,t){var n=this;h.call(n,e,t),a("new websocket tracker %s",t),n.peers={},n.socket=null,n.reconnecting=!1,n.retries=0,n.reconnectTimer=null,n.expectingResponse=!1,n._openSocket()}function i(){}t.exports=o;var a=e("debug")("bittorrent-tracker:websocket-tracker"),d=e("xtend"),l=e("inherits"),c=e("simple-peer"),u=e("randombytes"),p=e("simple-websocket"),f=e("../common"),h=e("./tracker"),m={};o._socketPool=m;l(o,h),o.prototype.DEFAULT_ANNOUNCE_INTERVAL=30000,o.prototype.announce=function(e){var t=this;if(!(t.destroyed||t.reconnecting)){if(!t.socket.connected)return void t.socket.once("connect",function(){t.announce(e)});var n=d(e,{action:"announce",info_hash:t.client._infoHashBinary,peer_id:t.client._peerIdBinary});if(t._trackerId&&(n.trackerid=t._trackerId),"stopped"===e.event||"completed"===e.event)t._send(n);else{var r=s(e.numwant,10);t._generateOffers(r,function(e){n.numwant=r,n.offers=e,t._send(n)})}}},o.prototype.scrape=function(e){var t=this;if(!(t.destroyed||t.reconnecting)){if(!t.socket.connected)return void t.socket.once("connect",function(){t.scrape(e)});var n=Array.isArray(e.infoHash)&&0<e.infoHash.length?e.infoHash.map(function(e){return e.toString("binary")}):e.infoHash&&e.infoHash.toString("binary")||t.client._infoHashBinary;t._send({action:"scrape",info_hash:n})}},o.prototype.destroy=function(e){function t(){s&&(clearTimeout(s),s=null),a.removeListener("data",t),a.destroy(),a=null}var n=this;if(e||(e=i),n.destroyed)return e(null);for(var r in n.destroyed=!0,clearInterval(n.interval),clearTimeout(n.reconnectTimer),n.peers){var o=n.peers[r];clearTimeout(o.trackerTimeout),o.destroy()}if(n.peers=null,n.socket&&(n.socket.removeListener("connect",n._onSocketConnectBound),n.socket.removeListener("data",n._onSocketDataBound),n.socket.removeListener("close",n._onSocketCloseBound),n.socket.removeListener("error",n._onSocketErrorBound),n.socket=null),n._onSocketConnectBound=null,n._onSocketErrorBound=null,n._onSocketDataBound=null,n._onSocketCloseBound=null,m[n.announceUrl]&&(m[n.announceUrl].consumers-=1),0<m[n.announceUrl].consumers)return e();var a=m[n.announceUrl];if(delete m[n.announceUrl],a.on("error",i),a.once("close",e),!n.expectingResponse)return t();var s=setTimeout(t,f.DESTROY_TIMEOUT);a.once("data",t)},o.prototype._openSocket=function(){var e=this;e.destroyed=!1,e.peers||(e.peers={}),e._onSocketConnectBound=function(){e._onSocketConnect()},e._onSocketErrorBound=function(t){e._onSocketError(t)},e._onSocketDataBound=function(t){e._onSocketData(t)},e._onSocketCloseBound=function(){e._onSocketClose()},e.socket=m[e.announceUrl],e.socket?m[e.announceUrl].consumers+=1:(e.socket=m[e.announceUrl]=new p(e.announceUrl),e.socket.consumers=1,e.socket.once("connect",e._onSocketConnectBound)),e.socket.on("data",e._onSocketDataBound),e.socket.once("close",e._onSocketCloseBound),e.socket.once("error",e._onSocketErrorBound)},o.prototype._onSocketConnect=function(){var e=this;e.destroyed||e.reconnecting&&(e.reconnecting=!1,e.retries=0,e.announce(e.client._defaultAnnounceOpts()))},o.prototype._onSocketData=function(e){var t=this;if(!t.destroyed){t.expectingResponse=!1;try{e=JSON.parse(e)}catch(e){return void t.client.emit("warning",new Error("Invalid tracker response"))}"announce"===e.action?t._onAnnounceResponse(e):"scrape"===e.action?t._onScrapeResponse(e):t._onSocketError(new Error("invalid action in WS response: "+e.action))}},o.prototype._onAnnounceResponse=function(e){var t=this;if(e.info_hash!==t.client._infoHashBinary)return void a("ignoring websocket data from %s for %s (looking for %s: reused socket)",t.announceUrl,f.binaryToHex(e.info_hash),t.client.infoHash);if(!(e.peer_id&&e.peer_id===t.client._peerIdBinary)){a("received %s from %s for %s",JSON.stringify(e),t.announceUrl,t.client.infoHash);var n=e["failure reason"];if(n)return t.client.emit("warning",new Error(n));var r=e["warning message"];r&&t.client.emit("warning",new Error(r));var o=e.interval||e["min interval"];o&&t.setInterval(1e3*o);var i=e["tracker id"];if(i&&(t._trackerId=i),null!=e.complete){var s=Object.assign({},e,{announce:t.announceUrl,infoHash:f.binaryToHex(e.info_hash)});t.client.emit("update",s)}var d;if(e.offer&&e.peer_id&&(a("creating peer (from remote offer)"),d=t._createPeer(),d.id=f.binaryToHex(e.peer_id),d.once("signal",function(n){var r={action:"announce",info_hash:t.client._infoHashBinary,peer_id:t.client._peerIdBinary,to_peer_id:e.peer_id,answer:n,offer_id:e.offer_id};t._trackerId&&(r.trackerid=t._trackerId),t._send(r)}),d.signal(e.offer),t.client.emit("peer",d)),e.answer&&e.peer_id){var l=f.binaryToHex(e.offer_id);d=t.peers[l],d?(d.id=f.binaryToHex(e.peer_id),d.signal(e.answer),t.client.emit("peer",d),clearTimeout(d.trackerTimeout),d.trackerTimeout=null,delete t.peers[l]):a("got unexpected answer: "+JSON.stringify(e.answer))}}},o.prototype._onScrapeResponse=function(e){var t=this;e=e.files||{};var n=Object.keys(e);return 0===n.length?void t.client.emit("warning",new Error("invalid scrape response")):void n.forEach(function(n){var r=Object.assign(e[n],{announce:t.announceUrl,infoHash:f.binaryToHex(n)});t.client.emit("scrape",r)})},o.prototype._onSocketClose=function(){var e=this;e.destroyed||(e.destroy(),e._startReconnectTimer())},o.prototype._onSocketError=function(e){var t=this;t.destroyed||(t.destroy(),t.client.emit("warning",e),t._startReconnectTimer())},o.prototype._startReconnectTimer=function(){var e=this,t=r(Math.random()*30000)+s(n(2,e.retries)*15000,1800000);e.reconnecting=!0,clearTimeout(e.reconnectTimer),e.reconnectTimer=setTimeout(function(){e.retries++,e._openSocket()},t),e.reconnectTimer.unref&&e.reconnectTimer.unref(),a("reconnecting socket in %s ms",t)},o.prototype._send=function(e){var t=this;if(!t.destroyed){t.expectingResponse=!0;var n=JSON.stringify(e);a("send %s",n),t.socket.send(n)}},o.prototype._generateOffers=function(e,t){function n(){var e=u(20).toString("hex");a("creating peer (from _generateOffers)");var t=o.peers[e]=o._createPeer({initiator:!0});t.once("signal",function(t){s.push({offer:t,offer_id:f.hexToBinary(e)}),r()}),t.trackerTimeout=setTimeout(function(){a("tracker timeout: destroying peer"),t.trackerTimeout=null,delete o.peers[e],t.destroy()},50000),t.trackerTimeout.unref&&t.trackerTimeout.unref()}function r(){s.length===e&&(a("generated %s offers",e),t(s))}var o=this,s=[];a("generating %s offers",e);for(var d=0;d<e;++d)n();r()},o.prototype._createPeer=function(e){function t(e){r.client.emit("warning",new Error("Connection error: "+e.message)),o.destroy()}function n(){o.removeListener("error",t),o.removeListener("connect",n)}var r=this;e=Object.assign({trickle:!1,config:r.client._rtcConfig,wrtc:r.client._wrtc},e);var o=new c(e);return o.once("error",t),o.once("connect",n),o}},{"../common":27,"./tracker":25,debug:62,inherits:80,randombytes:139,"simple-peer":171,"simple-websocket":182,xtend:227}],27:[function(e,t,n){var r=e("safe-buffer").Buffer,o=e("xtend/mutable");n.DEFAULT_ANNOUNCE_PEERS=50,n.MAX_ANNOUNCE_PEERS=82,n.binaryToHex=function(e){return"string"!=typeof e&&(e+=""),r.from(e,"binary").toString("hex")},n.hexToBinary=function(e){return"string"!=typeof e&&(e+=""),r.from(e,"hex").toString("binary")};var i=e("./common-node");o(n,i)},{"./common-node":39,"safe-buffer":168,"xtend/mutable":228}],28:[function(e,t){(function(n){t.exports=function(e,t){function r(i){o.removeEventListener("loadend",r,!1),i.error?t(i.error):t(null,n.from(o.result))}if("undefined"==typeof Blob||!(e instanceof Blob))throw new Error("first argument must be a Blob");if("function"!=typeof t)throw new Error("second argument must be a function");var o=new FileReader;o.addEventListener("loadend",r,!1),o.readAsArrayBuffer(e)}}).call(this,e("buffer").Buffer)},{buffer:41}],29:[function(e,t){(function(n){function r(e,t){return this instanceof r?void(i.call(this),!t&&(t={}),"object"==typeof e&&(t=e,e=t.size),this.size=e||512,this._zeroPadding=!t.nopad&&a(t.zeroPadding,!0),this._buffered=[],this._bufferedBytes=0):new r(e,t)}var o=e("inherits"),i=e("readable-stream").Transform,a=e("defined");t.exports=r,o(r,i),r.prototype._transform=function(e,t,r){for(this._bufferedBytes+=e.length,this._buffered.push(e);this._bufferedBytes>=this.size;){var o=n.concat(this._buffered);this._bufferedBytes-=this.size,this.push(o.slice(0,this.size)),this._buffered=[o.slice(this.size,o.length)]}r()},r.prototype._flush=function(){if(this._bufferedBytes&&this._zeroPadding){var e=new n(this.size-this._bufferedBytes);e.fill(0),this._buffered.push(e),this.push(n.concat(this._buffered)),this._buffered=null}else this._bufferedBytes&&(this.push(n.concat(this._buffered)),this._buffered=null);this.push(null)}}).call(this,e("buffer").Buffer)},{buffer:41,defined:64,inherits:80,"readable-stream":38}],30:[function(e,t,n){arguments[4][15][0].apply(n,arguments)},{"./_stream_readable":32,"./_stream_writable":34,"core-util-is":60,dup:15,inherits:80,"process-nextick-args":131}],31:[function(e,t,n){arguments[4][16][0].apply(n,arguments)},{"./_stream_transform":33,"core-util-is":60,dup:16,inherits:80}],32:[function(e,t,n){arguments[4][17][0].apply(n,arguments)},{"./_stream_duplex":30,"./internal/streams/BufferList":35,"./internal/streams/destroy":36,"./internal/streams/stream":37,_process:132,"core-util-is":60,dup:17,events:42,inherits:80,isarray:85,"process-nextick-args":131,"safe-buffer":168,"string_decoder/":209,util:39}],33:[function(e,t,n){arguments[4][18][0].apply(n,arguments)},{"./_stream_duplex":30,"core-util-is":60,dup:18,inherits:80}],34:[function(e,t,n){arguments[4][19][0].apply(n,arguments)},{"./_stream_duplex":30,"./internal/streams/destroy":36,"./internal/streams/stream":37,_process:132,"core-util-is":60,dup:19,inherits:80,"process-nextick-args":131,"safe-buffer":168,timers:212,"util-deprecate":223}],35:[function(e,t,n){arguments[4][20][0].apply(n,arguments)},{dup:20,"safe-buffer":168,util:39}],36:[function(e,t,n){arguments[4][21][0].apply(n,arguments)},{dup:21,"process-nextick-args":131}],37:[function(e,t,n){arguments[4][22][0].apply(n,arguments)},{dup:22,events:42}],38:[function(e,t,n){arguments[4][23][0].apply(n,arguments)},{"./lib/_stream_duplex.js":30,"./lib/_stream_passthrough.js":31,"./lib/_stream_readable.js":32,"./lib/_stream_transform.js":33,"./lib/_stream_writable.js":34,dup:23}],39:[function(){},{}],40:[function(e,t,n){arguments[4][39][0].apply(n,arguments)},{dup:39}],41:[function(t,r,o){"use strict";function a(e){if(2147483647<e)throw new RangeError("The value \""+e+"\" is invalid for option \"size\"");var t=new Uint8Array(e);return t.__proto__=d.prototype,t}function d(e,t,n){if("number"==typeof e){if("string"==typeof t)throw new TypeError("The \"string\" argument must be of type string. Received type number");return u(e)}return i(e,t,n)}function i(e,t,n){if("string"==typeof e)return p(e,t);if(ArrayBuffer.isView(e))return f(e);if(null==e)throw TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type "+typeof e);if(K(e,ArrayBuffer)||e&&K(e.buffer,ArrayBuffer))return h(e,t,n);if("number"==typeof e)throw new TypeError("The \"value\" argument must not be of type number. Received type number");var r=e.valueOf&&e.valueOf();if(null!=r&&r!==e)return d.from(r,t,n);var o=m(e);if(o)return o;if("undefined"!=typeof Symbol&&null!=Symbol.toPrimitive&&"function"==typeof e[Symbol.toPrimitive])return d.from(e[Symbol.toPrimitive]("string"),t,n);throw new TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type "+typeof e)}function l(e){if("number"!=typeof e)throw new TypeError("\"size\" argument must be of type number");else if(0>e)throw new RangeError("The value \""+e+"\" is invalid for option \"size\"")}function c(e,t,n){return l(e),0>=e?a(e):void 0===t?a(e):"string"==typeof n?a(e).fill(t,n):a(e).fill(t)}function u(e){return l(e),a(0>e?0:0|g(e))}function p(e,t){if(("string"!=typeof t||""===t)&&(t="utf8"),!d.isEncoding(t))throw new TypeError("Unknown encoding: "+t);var n=0|_(e,t),r=a(n),o=r.write(e,t);return o!==n&&(r=r.slice(0,o)),r}function f(e){for(var t=0>e.length?0:0|g(e.length),n=a(t),r=0;r<t;r+=1)n[r]=255&e[r];return n}function h(e,t,n){if(0>t||e.byteLength<t)throw new RangeError("\"offset\" is outside of buffer bounds");if(e.byteLength<t+(n||0))throw new RangeError("\"length\" is outside of buffer bounds");var r;return r=void 0===t&&void 0===n?new Uint8Array(e):void 0===n?new Uint8Array(e,t):new Uint8Array(e,t,n),r.__proto__=d.prototype,r}function m(e){if(d.isBuffer(e)){var t=0|g(e.length),n=a(t);return 0===n.length?n:(e.copy(n,0,0,t),n)}return void 0===e.length?"Buffer"===e.type&&Array.isArray(e.data)?f(e.data):void 0:"number"!=typeof e.length||Y(e.length)?a(0):f(e)}function g(e){if(e>=2147483647)throw new RangeError("Attempt to allocate Buffer larger than maximum size: 0x"+2147483647 .toString(16)+" bytes");return 0|e}function _(e,t){if(d.isBuffer(e))return e.length;if(ArrayBuffer.isView(e)||K(e,ArrayBuffer))return e.byteLength;if("string"!=typeof e)throw new TypeError("The \"string\" argument must be one of type string, Buffer, or ArrayBuffer. Received type "+typeof e);var n=e.length,r=2<arguments.length&&!0===arguments[2];if(!r&&0===n)return 0;for(var o=!1;;)switch(t){case"ascii":case"latin1":case"binary":return n;case"utf8":case"utf-8":return F(e).length;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return 2*n;case"hex":return n>>>1;case"base64":return V(e).length;default:if(o)return r?-1:F(e).length;t=(""+t).toLowerCase(),o=!0;}}function b(e,t,n){var r=!1;if((void 0===t||0>t)&&(t=0),t>this.length)return"";if((void 0===n||n>this.length)&&(n=this.length),0>=n)return"";if(n>>>=0,t>>>=0,n<=t)return"";for(e||(e="utf8");;)switch(e){case"hex":return U(this,t,n);case"utf8":case"utf-8":return I(this,t,n);case"ascii":return R(this,t,n);case"latin1":case"binary":return A(this,t,n);case"base64":return B(this,t,n);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return P(this,t,n);default:if(r)throw new TypeError("Unknown encoding: "+e);e=(e+"").toLowerCase(),r=!0;}}function y(e,t,n){var r=e[t];e[t]=e[n],e[n]=r}function w(e,t,n,r,o){if(0===e.length)return-1;if("string"==typeof n?(r=n,n=0):2147483647<n?n=2147483647:-2147483648>n&&(n=-2147483648),n=+n,Y(n)&&(n=o?0:e.length-1),0>n&&(n=e.length+n),n>=e.length){if(o)return-1;n=e.length-1}else if(0>n)if(o)n=0;else return-1;if("string"==typeof t&&(t=d.from(t,r)),d.isBuffer(t))return 0===t.length?-1:k(e,t,n,r,o);if("number"==typeof t)return t&=255,"function"==typeof Uint8Array.prototype.indexOf?o?Uint8Array.prototype.indexOf.call(e,t,n):Uint8Array.prototype.lastIndexOf.call(e,t,n):k(e,[t],n,r,o);throw new TypeError("val must be string, number or Buffer")}function k(e,t,n,r,o){function a(e,t){return 1===s?e[t]:e.readUInt16BE(t*s)}var s=1,d=e.length,l=t.length;if(void 0!==r&&(r=(r+"").toLowerCase(),"ucs2"===r||"ucs-2"===r||"utf16le"===r||"utf-16le"===r)){if(2>e.length||2>t.length)return-1;s=2,d/=2,l/=2,n/=2}var c;if(o){var u=-1;for(c=n;c<d;c++)if(a(e,c)!==a(t,-1===u?0:c-u))-1!==u&&(c-=c-u),u=-1;else if(-1===u&&(u=c),c-u+1===l)return u*s}else for(n+l>d&&(n=d-l),c=n;0<=c;c--){for(var p=!0,f=0;f<l;f++)if(a(e,c+f)!==a(t,f)){p=!1;break}if(p)return c}return-1}function x(e,t,n,r){n=+n||0;var o=e.length-n;r?(r=+r,r>o&&(r=o)):r=o;var a=t.length;r>a/2&&(r=a/2);for(var s=0,d;s<r;++s){if(d=parseInt(t.substr(2*s,2),16),Y(d))return s;e[n+s]=d}return s}function S(e,t,n,r){return G(F(t,e.length-n),e,n,r)}function v(e,t,n,r){return G(W(t),e,n,r)}function E(e,t,n,r){return v(e,t,n,r)}function C(e,t,n,r){return G(V(t),e,n,r)}function L(e,t,n,r){return G(z(t,e.length-n),e,n,r)}function B(e,t,n){return 0===t&&n===e.length?X.fromByteArray(e):X.fromByteArray(e.slice(t,n))}function I(e,t,n){n=s(e.length,n);for(var r=[],o=t;o<n;){var a=e[o],d=null,l=239<a?4:223<a?3:191<a?2:1;if(o+l<=n){var c,u,p,f;1===l?128>a&&(d=a):2===l?(c=e[o+1],128==(192&c)&&(f=(31&a)<<6|63&c,127<f&&(d=f))):3===l?(c=e[o+1],u=e[o+2],128==(192&c)&&128==(192&u)&&(f=(15&a)<<12|(63&c)<<6|63&u,2047<f&&(55296>f||57343<f)&&(d=f))):4===l?(c=e[o+1],u=e[o+2],p=e[o+3],128==(192&c)&&128==(192&u)&&128==(192&p)&&(f=(15&a)<<18|(63&c)<<12|(63&u)<<6|63&p,65535<f&&1114112>f&&(d=f))):void 0}null===d?(d=65533,l=1):65535<d&&(d-=65536,r.push(55296|1023&d>>>10),d=56320|1023&d),r.push(d),o+=l}return T(r)}function T(t){var n=t.length;if(n<=4096)return e.apply(String,t);for(var r="",o=0;o<n;)r+=e.apply(String,t.slice(o,o+=4096));return r}function R(t,n,r){var o="";r=s(t.length,r);for(var a=n;a<r;++a)o+=e(127&t[a]);return o}function A(t,n,r){var o="";r=s(t.length,r);for(var a=n;a<r;++a)o+=e(t[a]);return o}function U(e,t,n){var r=e.length;(!t||0>t)&&(t=0),(!n||0>n||n>r)&&(n=r);for(var o="",a=t;a<n;++a)o+=D(e[a]);return o}function P(t,n,r){for(var o=t.slice(n,r),a="",s=0;s<o.length;s+=2)a+=e(o[s]+256*o[s+1]);return a}function M(e,t,n){if(0!=e%1||0>e)throw new RangeError("offset is not uint");if(e+t>n)throw new RangeError("Trying to access beyond buffer length")}function O(e,t,n,r,o,i){if(!d.isBuffer(e))throw new TypeError("\"buffer\" argument must be a Buffer instance");if(t>o||t<i)throw new RangeError("\"value\" argument is out of bounds");if(n+r>e.length)throw new RangeError("Index out of range")}function j(e,t,n,r){if(n+r>e.length)throw new RangeError("Index out of range");if(0>n)throw new RangeError("Index out of range")}function N(e,t,n,r,o){return t=+t,n>>>=0,o||j(e,t,n,4,34028234663852886e22,-34028234663852886e22),$.write(e,t,n,r,23,4),n+4}function H(e,t,n,r,o){return t=+t,n>>>=0,o||j(e,t,n,8,17976931348623157e292,-17976931348623157e292),$.write(e,t,n,r,52,8),n+8}function q(e){if(e=e.split("=")[0],e=e.trim().replace(Q,""),2>e.length)return"";for(;0!=e.length%4;)e+="=";return e}function D(e){return 16>e?"0"+e.toString(16):e.toString(16)}function F(e,t){t=t||1/0;for(var n=e.length,r=null,o=[],a=0,s;a<n;++a){if(s=e.charCodeAt(a),55295<s&&57344>s){if(!r){if(56319<s){-1<(t-=3)&&o.push(239,191,189);continue}else if(a+1===n){-1<(t-=3)&&o.push(239,191,189);continue}r=s;continue}if(56320>s){-1<(t-=3)&&o.push(239,191,189),r=s;continue}s=(r-55296<<10|s-56320)+65536}else r&&-1<(t-=3)&&o.push(239,191,189);if(r=null,128>s){if(0>(t-=1))break;o.push(s)}else if(2048>s){if(0>(t-=2))break;o.push(192|s>>6,128|63&s)}else if(65536>s){if(0>(t-=3))break;o.push(224|s>>12,128|63&s>>6,128|63&s)}else if(1114112>s){if(0>(t-=4))break;o.push(240|s>>18,128|63&s>>12,128|63&s>>6,128|63&s)}else throw new Error("Invalid code point")}return o}function W(e){for(var t=[],n=0;n<e.length;++n)t.push(255&e.charCodeAt(n));return t}function z(e,t){for(var n=[],r=0,o,a,s;r<e.length&&!(0>(t-=2));++r)o=e.charCodeAt(r),a=o>>8,s=o%256,n.push(s),n.push(a);return n}function V(e){return X.toByteArray(q(e))}function G(e,t,n,r){for(var o=0;o<r&&!(o+n>=t.length||o>=e.length);++o)t[o+n]=e[o];return o}function K(e,t){return e instanceof t||null!=e&&null!=e.constructor&&null!=e.constructor.name&&e.constructor.name===t.name}function Y(e){return e!==e}var X=t("base64-js"),$=t("ieee754");o.Buffer=d,o.SlowBuffer=function(e){return+e!=e&&(e=0),d.alloc(+e)},o.INSPECT_MAX_BYTES=50;o.kMaxLength=2147483647,d.TYPED_ARRAY_SUPPORT=function(){try{var e=new Uint8Array(1);return e.__proto__={__proto__:Uint8Array.prototype,foo:function(){return 42}},42===e.foo()}catch(t){return!1}}(),d.TYPED_ARRAY_SUPPORT||"undefined"==typeof console||"function"!=typeof console.error||console.error("This browser lacks typed array (Uint8Array) support which is required by `buffer` v5.x. Use `buffer` v4.x if you require old browser support."),Object.defineProperty(d.prototype,"parent",{enumerable:!0,get:function(){return d.isBuffer(this)?this.buffer:void 0}}),Object.defineProperty(d.prototype,"offset",{enumerable:!0,get:function(){return d.isBuffer(this)?this.byteOffset:void 0}}),"undefined"!=typeof Symbol&&null!=Symbol.species&&d[Symbol.species]===d&&Object.defineProperty(d,Symbol.species,{value:null,configurable:!0,enumerable:!1,writable:!1}),d.poolSize=8192,d.from=function(e,t,n){return i(e,t,n)},d.prototype.__proto__=Uint8Array.prototype,d.__proto__=Uint8Array,d.alloc=function(e,t,n){return c(e,t,n)},d.allocUnsafe=function(e){return u(e)},d.allocUnsafeSlow=function(e){return u(e)},d.isBuffer=function(e){return null!=e&&!0===e._isBuffer&&e!==d.prototype},d.compare=function(e,t){if(K(e,Uint8Array)&&(e=d.from(e,e.offset,e.byteLength)),K(t,Uint8Array)&&(t=d.from(t,t.offset,t.byteLength)),!d.isBuffer(e)||!d.isBuffer(t))throw new TypeError("The \"buf1\", \"buf2\" arguments must be one of type Buffer or Uint8Array");if(e===t)return 0;for(var n=e.length,r=t.length,o=0,l=s(n,r);o<l;++o)if(e[o]!==t[o]){n=e[o],r=t[o];break}return n<r?-1:r<n?1:0},d.isEncoding=function(e){switch((e+"").toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"latin1":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return!0;default:return!1;}},d.concat=function(e,t){if(!Array.isArray(e))throw new TypeError("\"list\" argument must be an Array of Buffers");if(0===e.length)return d.alloc(0);var n;if(t===void 0)for(t=0,n=0;n<e.length;++n)t+=e[n].length;var r=d.allocUnsafe(t),o=0;for(n=0;n<e.length;++n){var a=e[n];if(K(a,Uint8Array)&&(a=d.from(a)),!d.isBuffer(a))throw new TypeError("\"list\" argument must be an Array of Buffers");a.copy(r,o),o+=a.length}return r},d.byteLength=_,d.prototype._isBuffer=!0,d.prototype.swap16=function(){var e=this.length;if(0!=e%2)throw new RangeError("Buffer size must be a multiple of 16-bits");for(var t=0;t<e;t+=2)y(this,t,t+1);return this},d.prototype.swap32=function(){var e=this.length;if(0!=e%4)throw new RangeError("Buffer size must be a multiple of 32-bits");for(var t=0;t<e;t+=4)y(this,t,t+3),y(this,t+1,t+2);return this},d.prototype.swap64=function(){var e=this.length;if(0!=e%8)throw new RangeError("Buffer size must be a multiple of 64-bits");for(var t=0;t<e;t+=8)y(this,t,t+7),y(this,t+1,t+6),y(this,t+2,t+5),y(this,t+3,t+4);return this},d.prototype.toString=function(){var e=this.length;return 0===e?"":0===arguments.length?I(this,0,e):b.apply(this,arguments)},d.prototype.toLocaleString=d.prototype.toString,d.prototype.equals=function(e){if(!d.isBuffer(e))throw new TypeError("Argument must be a Buffer");return this===e||0===d.compare(this,e)},d.prototype.inspect=function(){var e="",t=o.INSPECT_MAX_BYTES;return e=this.toString("hex",0,t).replace(/(.{2})/g,"$1 ").trim(),this.length>t&&(e+=" ... "),"<Buffer "+e+">"},d.prototype.compare=function(e,t,n,r,o){if(K(e,Uint8Array)&&(e=d.from(e,e.offset,e.byteLength)),!d.isBuffer(e))throw new TypeError("The \"target\" argument must be one of type Buffer or Uint8Array. Received type "+typeof e);if(void 0===t&&(t=0),void 0===n&&(n=e?e.length:0),void 0===r&&(r=0),void 0===o&&(o=this.length),0>t||n>e.length||0>r||o>this.length)throw new RangeError("out of range index");if(r>=o&&t>=n)return 0;if(r>=o)return-1;if(t>=n)return 1;if(t>>>=0,n>>>=0,r>>>=0,o>>>=0,this===e)return 0;for(var a=o-r,l=n-t,c=s(a,l),u=this.slice(r,o),p=e.slice(t,n),f=0;f<c;++f)if(u[f]!==p[f]){a=u[f],l=p[f];break}return a<l?-1:l<a?1:0},d.prototype.includes=function(e,t,n){return-1!==this.indexOf(e,t,n)},d.prototype.indexOf=function(e,t,n){return w(this,e,t,n,!0)},d.prototype.lastIndexOf=function(e,t,n){return w(this,e,t,n,!1)},d.prototype.write=function(e,t,n,r){if(void 0===t)r="utf8",n=this.length,t=0;else if(void 0===n&&"string"==typeof t)r=t,n=this.length,t=0;else if(isFinite(t))t>>>=0,isFinite(n)?(n>>>=0,void 0===r&&(r="utf8")):(r=n,n=void 0);else throw new Error("Buffer.write(string, encoding, offset[, length]) is no longer supported");var o=this.length-t;if((void 0===n||n>o)&&(n=o),0<e.length&&(0>n||0>t)||t>this.length)throw new RangeError("Attempt to write outside buffer bounds");r||(r="utf8");for(var i=!1;;)switch(r){case"hex":return x(this,e,t,n);case"utf8":case"utf-8":return S(this,e,t,n);case"ascii":return v(this,e,t,n);case"latin1":case"binary":return E(this,e,t,n);case"base64":return C(this,e,t,n);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return L(this,e,t,n);default:if(i)throw new TypeError("Unknown encoding: "+r);r=(""+r).toLowerCase(),i=!0;}},d.prototype.toJSON=function(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};d.prototype.slice=function(e,t){var n=this.length;e=~~e,t=void 0===t?n:~~t,0>e?(e+=n,0>e&&(e=0)):e>n&&(e=n),0>t?(t+=n,0>t&&(t=0)):t>n&&(t=n),t<e&&(t=e);var r=this.subarray(e,t);return r.__proto__=d.prototype,r},d.prototype.readUIntLE=function(e,t,n){e>>>=0,t>>>=0,n||M(e,t,this.length);for(var r=this[e],o=1,a=0;++a<t&&(o*=256);)r+=this[e+a]*o;return r},d.prototype.readUIntBE=function(e,t,n){e>>>=0,t>>>=0,n||M(e,t,this.length);for(var r=this[e+--t],o=1;0<t&&(o*=256);)r+=this[e+--t]*o;return r},d.prototype.readUInt8=function(e,t){return e>>>=0,t||M(e,1,this.length),this[e]},d.prototype.readUInt16LE=function(e,t){return e>>>=0,t||M(e,2,this.length),this[e]|this[e+1]<<8},d.prototype.readUInt16BE=function(e,t){return e>>>=0,t||M(e,2,this.length),this[e]<<8|this[e+1]},d.prototype.readUInt32LE=function(e,t){return e>>>=0,t||M(e,4,this.length),(this[e]|this[e+1]<<8|this[e+2]<<16)+16777216*this[e+3]},d.prototype.readUInt32BE=function(e,t){return e>>>=0,t||M(e,4,this.length),16777216*this[e]+(this[e+1]<<16|this[e+2]<<8|this[e+3])},d.prototype.readIntLE=function(e,t,r){e>>>=0,t>>>=0,r||M(e,t,this.length);for(var o=this[e],a=1,s=0;++s<t&&(a*=256);)o+=this[e+s]*a;return a*=128,o>=a&&(o-=n(2,8*t)),o},d.prototype.readIntBE=function(e,t,r){e>>>=0,t>>>=0,r||M(e,t,this.length);for(var o=t,a=1,s=this[e+--o];0<o&&(a*=256);)s+=this[e+--o]*a;return a*=128,s>=a&&(s-=n(2,8*t)),s},d.prototype.readInt8=function(e,t){return e>>>=0,t||M(e,1,this.length),128&this[e]?-1*(255-this[e]+1):this[e]},d.prototype.readInt16LE=function(e,t){e>>>=0,t||M(e,2,this.length);var n=this[e]|this[e+1]<<8;return 32768&n?4294901760|n:n},d.prototype.readInt16BE=function(e,t){e>>>=0,t||M(e,2,this.length);var n=this[e+1]|this[e]<<8;return 32768&n?4294901760|n:n},d.prototype.readInt32LE=function(e,t){return e>>>=0,t||M(e,4,this.length),this[e]|this[e+1]<<8|this[e+2]<<16|this[e+3]<<24},d.prototype.readInt32BE=function(e,t){return e>>>=0,t||M(e,4,this.length),this[e]<<24|this[e+1]<<16|this[e+2]<<8|this[e+3]},d.prototype.readFloatLE=function(e,t){return e>>>=0,t||M(e,4,this.length),$.read(this,e,!0,23,4)},d.prototype.readFloatBE=function(e,t){return e>>>=0,t||M(e,4,this.length),$.read(this,e,!1,23,4)},d.prototype.readDoubleLE=function(e,t){return e>>>=0,t||M(e,8,this.length),$.read(this,e,!0,52,8)},d.prototype.readDoubleBE=function(e,t){return e>>>=0,t||M(e,8,this.length),$.read(this,e,!1,52,8)},d.prototype.writeUIntLE=function(e,t,r,o){if(e=+e,t>>>=0,r>>>=0,!o){var a=n(2,8*r)-1;O(this,e,t,r,a,0)}var s=1,d=0;for(this[t]=255&e;++d<r&&(s*=256);)this[t+d]=255&e/s;return t+r},d.prototype.writeUIntBE=function(e,t,r,o){if(e=+e,t>>>=0,r>>>=0,!o){var a=n(2,8*r)-1;O(this,e,t,r,a,0)}var s=r-1,d=1;for(this[t+s]=255&e;0<=--s&&(d*=256);)this[t+s]=255&e/d;return t+r},d.prototype.writeUInt8=function(e,t,n){return e=+e,t>>>=0,n||O(this,e,t,1,255,0),this[t]=255&e,t+1},d.prototype.writeUInt16LE=function(e,t,n){return e=+e,t>>>=0,n||O(this,e,t,2,65535,0),this[t]=255&e,this[t+1]=e>>>8,t+2},d.prototype.writeUInt16BE=function(e,t,n){return e=+e,t>>>=0,n||O(this,e,t,2,65535,0),this[t]=e>>>8,this[t+1]=255&e,t+2},d.prototype.writeUInt32LE=function(e,t,n){return e=+e,t>>>=0,n||O(this,e,t,4,4294967295,0),this[t+3]=e>>>24,this[t+2]=e>>>16,this[t+1]=e>>>8,this[t]=255&e,t+4},d.prototype.writeUInt32BE=function(e,t,n){return e=+e,t>>>=0,n||O(this,e,t,4,4294967295,0),this[t]=e>>>24,this[t+1]=e>>>16,this[t+2]=e>>>8,this[t+3]=255&e,t+4},d.prototype.writeIntLE=function(e,t,r,o){if(e=+e,t>>>=0,!o){var a=n(2,8*r-1);O(this,e,t,r,a-1,-a)}var s=0,d=1,l=0;for(this[t]=255&e;++s<r&&(d*=256);)0>e&&0===l&&0!==this[t+s-1]&&(l=1),this[t+s]=255&(e/d>>0)-l;return t+r},d.prototype.writeIntBE=function(e,t,r,o){if(e=+e,t>>>=0,!o){var a=n(2,8*r-1);O(this,e,t,r,a-1,-a)}var s=r-1,d=1,l=0;for(this[t+s]=255&e;0<=--s&&(d*=256);)0>e&&0===l&&0!==this[t+s+1]&&(l=1),this[t+s]=255&(e/d>>0)-l;return t+r},d.prototype.writeInt8=function(e,t,n){return e=+e,t>>>=0,n||O(this,e,t,1,127,-128),0>e&&(e=255+e+1),this[t]=255&e,t+1},d.prototype.writeInt16LE=function(e,t,n){return e=+e,t>>>=0,n||O(this,e,t,2,32767,-32768),this[t]=255&e,this[t+1]=e>>>8,t+2},d.prototype.writeInt16BE=function(e,t,n){return e=+e,t>>>=0,n||O(this,e,t,2,32767,-32768),this[t]=e>>>8,this[t+1]=255&e,t+2},d.prototype.writeInt32LE=function(e,t,n){return e=+e,t>>>=0,n||O(this,e,t,4,2147483647,-2147483648),this[t]=255&e,this[t+1]=e>>>8,this[t+2]=e>>>16,this[t+3]=e>>>24,t+4},d.prototype.writeInt32BE=function(e,t,n){return e=+e,t>>>=0,n||O(this,e,t,4,2147483647,-2147483648),0>e&&(e=4294967295+e+1),this[t]=e>>>24,this[t+1]=e>>>16,this[t+2]=e>>>8,this[t+3]=255&e,t+4},d.prototype.writeFloatLE=function(e,t,n){return N(this,e,t,!0,n)},d.prototype.writeFloatBE=function(e,t,n){return N(this,e,t,!1,n)},d.prototype.writeDoubleLE=function(e,t,n){return H(this,e,t,!0,n)},d.prototype.writeDoubleBE=function(e,t,n){return H(this,e,t,!1,n)},d.prototype.copy=function(e,t,n,r){if(!d.isBuffer(e))throw new TypeError("argument should be a Buffer");if(n||(n=0),r||0===r||(r=this.length),t>=e.length&&(t=e.length),t||(t=0),0<r&&r<n&&(r=n),r===n)return 0;if(0===e.length||0===this.length)return 0;if(0>t)throw new RangeError("targetStart out of bounds");if(0>n||n>=this.length)throw new RangeError("Index out of range");if(0>r)throw new RangeError("sourceEnd out of bounds");r>this.length&&(r=this.length),e.length-t<r-n&&(r=e.length-t+n);var o=r-n;if(this===e&&"function"==typeof Uint8Array.prototype.copyWithin)this.copyWithin(t,n,r);else if(this===e&&n<t&&t<r)for(var a=o-1;0<=a;--a)e[a+t]=this[a+n];else Uint8Array.prototype.set.call(e,this.subarray(n,r),t);return o},d.prototype.fill=function(e,t,n,r){if("string"==typeof e){if("string"==typeof t?(r=t,t=0,n=this.length):"string"==typeof n&&(r=n,n=this.length),void 0!==r&&"string"!=typeof r)throw new TypeError("encoding must be a string");if("string"==typeof r&&!d.isEncoding(r))throw new TypeError("Unknown encoding: "+r);if(1===e.length){var o=e.charCodeAt(0);("utf8"===r&&128>o||"latin1"===r)&&(e=o)}}else"number"==typeof e&&(e&=255);if(0>t||this.length<t||this.length<n)throw new RangeError("Out of range index");if(n<=t)return this;t>>>=0,n=n===void 0?this.length:n>>>0,e||(e=0);var a;if("number"==typeof e)for(a=t;a<n;++a)this[a]=e;else{var s=d.isBuffer(e)?e:d.from(e,r),l=s.length;if(0===l)throw new TypeError("The value \""+e+"\" is invalid for argument \"value\"");for(a=0;a<n-t;++a)this[a+t]=s[a%l]}return this};var Q=/[^+/0-9A-Za-z-_]/g},{"base64-js":8,ieee754:78}],42:[function(e,t){function n(){this._events&&Object.prototype.hasOwnProperty.call(this,"_events")||(this._events=b(null),this._eventsCount=0),this._maxListeners=this._maxListeners||void 0}function r(e){return void 0===e._maxListeners?n.defaultMaxListeners:e._maxListeners}function a(e,t,n){if(t)e.call(n);else for(var r=e.length,o=g(e,r),a=0;a<r;++a)o[a].call(n)}function s(e,t,n,r){if(t)e.call(n,r);else for(var o=e.length,a=g(e,o),s=0;s<o;++s)a[s].call(n,r)}function d(e,t,n,r,o){if(t)e.call(n,r,o);else for(var a=e.length,s=g(e,a),d=0;d<a;++d)s[d].call(n,r,o)}function l(e,t,n,r,o,a){if(t)e.call(n,r,o,a);else for(var s=e.length,d=g(e,s),l=0;l<s;++l)d[l].call(n,r,o,a)}function c(e,t,n,r){if(t)e.apply(n,r);else for(var o=e.length,a=g(e,o),s=0;s<o;++s)a[s].apply(n,r)}function i(e,t,n,o){var i,a,s;if("function"!=typeof n)throw new TypeError("\"listener\" argument must be a function");if(a=e._events,a?(a.newListener&&(e.emit("newListener",t,n.listener?n.listener:n),a=e._events),s=a[t]):(a=e._events=b(null),e._eventsCount=0),!s)s=a[t]=n,++e._eventsCount;else if("function"==typeof s?s=a[t]=o?[n,s]:[s,n]:o?s.unshift(n):s.push(n),!s.warned&&(i=r(e),i&&0<i&&s.length>i)){s.warned=!0;var d=new Error("Possible EventEmitter memory leak detected. "+s.length+" \""+(t+"\" listeners added. Use emitter.setMaxListeners() to increase limit."));d.name="MaxListenersExceededWarning",d.emitter=e,d.type=t,d.count=s.length,"object"==typeof console&&console.warn&&console.warn("%s: %s",d.name,d.message)}return e}function u(){if(!this.fired)switch(this.target.removeListener(this.type,this.wrapFn),this.fired=!0,arguments.length){case 0:return this.listener.call(this.target);case 1:return this.listener.call(this.target,arguments[0]);case 2:return this.listener.call(this.target,arguments[0],arguments[1]);case 3:return this.listener.call(this.target,arguments[0],arguments[1],arguments[2]);default:for(var e=Array(arguments.length),t=0;t<e.length;++t)e[t]=arguments[t];this.listener.apply(this.target,e);}}function p(e,t,n){var r={fired:!1,wrapFn:void 0,target:e,type:t,listener:n},o=w.call(u,r);return o.listener=n,r.wrapFn=o,o}function f(e,t,n){var r=e._events;if(!r)return[];var o=r[t];return o?"function"==typeof o?n?[o.listener||o]:[o]:n?_(o):g(o,o.length):[]}function h(e){var t=this._events;if(t){var n=t[e];if("function"==typeof n)return 1;if(n)return n.length}return 0}function m(e,t){for(var r=t,o=r+1,a=e.length;o<a;r+=1,o+=1)e[r]=e[o];e.pop()}function g(e,t){for(var n=Array(t),r=0;r<t;++r)n[r]=e[r];return n}function _(e){for(var t=Array(e.length),n=0;n<t.length;++n)t[n]=e[n].listener||e[n];return t}var b=Object.create||function(e){var t=function(){};return t.prototype=e,new t},y=Object.keys||function(e){var t=[];for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&t.push(n);return n},w=Function.prototype.bind||function(e){var t=this;return function(){return t.apply(e,arguments)}};t.exports=n,n.EventEmitter=n,n.prototype._events=void 0,n.prototype._maxListeners=void 0;var k=10,x;try{var S={};Object.defineProperty&&Object.defineProperty(S,"x",{value:0}),x=0===S.x}catch(e){x=!1}x?Object.defineProperty(n,"defaultMaxListeners",{enumerable:!0,get:function(){return k},set:function(e){if("number"!=typeof e||0>e||e!==e)throw new TypeError("\"defaultMaxListeners\" must be a positive number");k=e}}):n.defaultMaxListeners=k,n.prototype.setMaxListeners=function(e){if("number"!=typeof e||0>e||isNaN(e))throw new TypeError("\"n\" argument must be a positive number");return this._maxListeners=e,this},n.prototype.getMaxListeners=function(){return r(this)},n.prototype.emit=function(e){var t="error"===e,n,r,o,u,p,f;if(f=this._events,f)t=t&&null==f.error;else if(!t)return!1;if(t){if(1<arguments.length&&(n=arguments[1]),n instanceof Error)throw n;else{var h=new Error("Unhandled \"error\" event. ("+n+")");throw h.context=n,h}return!1}if(r=f[e],!r)return!1;var m="function"==typeof r;switch(o=arguments.length,o){case 1:a(r,m,this);break;case 2:s(r,m,this,arguments[1]);break;case 3:d(r,m,this,arguments[1],arguments[2]);break;case 4:l(r,m,this,arguments[1],arguments[2],arguments[3]);break;default:for(u=Array(o-1),p=1;p<o;p++)u[p-1]=arguments[p];c(r,m,this,u);}return!0},n.prototype.addListener=function(e,t){return i(this,e,t,!1)},n.prototype.on=n.prototype.addListener,n.prototype.prependListener=function(e,t){return i(this,e,t,!0)},n.prototype.once=function(e,t){if("function"!=typeof t)throw new TypeError("\"listener\" argument must be a function");return this.on(e,p(this,e,t)),this},n.prototype.prependOnceListener=function(e,t){if("function"!=typeof t)throw new TypeError("\"listener\" argument must be a function");return this.prependListener(e,p(this,e,t)),this},n.prototype.removeListener=function(e,t){var n,r,o,a,s;if("function"!=typeof t)throw new TypeError("\"listener\" argument must be a function");if(r=this._events,!r)return this;if(n=r[e],!n)return this;if(n===t||n.listener===t)0==--this._eventsCount?this._events=b(null):(delete r[e],r.removeListener&&this.emit("removeListener",e,n.listener||t));else if("function"!=typeof n){for(o=-1,a=n.length-1;0<=a;a--)if(n[a]===t||n[a].listener===t){s=n[a].listener,o=a;break}if(0>o)return this;0===o?n.shift():m(n,o),1===n.length&&(r[e]=n[0]),r.removeListener&&this.emit("removeListener",e,s||t)}return this},n.prototype.removeAllListeners=function(e){var t,n,r;if(n=this._events,!n)return this;if(!n.removeListener)return 0===arguments.length?(this._events=b(null),this._eventsCount=0):n[e]&&(0==--this._eventsCount?this._events=b(null):delete n[e]),this;if(0===arguments.length){var o=y(n),a;for(r=0;r<o.length;++r)a=o[r],"removeListener"===a||this.removeAllListeners(a);return this.removeAllListeners("removeListener"),this._events=b(null),this._eventsCount=0,this}if(t=n[e],"function"==typeof t)this.removeListener(e,t);else if(t)for(r=t.length-1;0<=r;r--)this.removeListener(e,t[r]);return this},n.prototype.listeners=function(e){return f(this,e,!0)},n.prototype.rawListeners=function(e){return f(this,e,!1)},n.listenerCount=function(e,t){return"function"==typeof e.listenerCount?e.listenerCount(t):h.call(e,t)},n.prototype.listenerCount=h,n.prototype.eventNames=function(){return 0<this._eventsCount?Reflect.ownKeys(this._events):[]}},{}],43:[function(e,t){function n(e){if("string"==typeof e&&(e=o.parse(e)),e.protocol||(e.protocol="https:"),"https:"!==e.protocol)throw new Error("Protocol \""+e.protocol+"\" not supported. Expected \"https:\"");return e}var r=e("http"),o=e("url"),i=t.exports;for(var a in r)r.hasOwnProperty(a)&&(i[a]=r[a]);i.request=function(e,t){return e=n(e),r.request.call(this,e,t)},i.get=function(e,t){return e=n(e),r.get.call(this,e,t)}},{http:193,url:220}],44:[function(e,t){(function(e){t.exports=function(t){if("number"!=typeof t)throw new TypeError("\"size\" argument must be a number");if(0>t)throw new RangeError("\"size\" argument must not be negative");return e.allocUnsafe?e.allocUnsafe(t):new e(t)}}).call(this,e("buffer").Buffer)},{buffer:41}],45:[function(e,t){(function(n){var r=e("buffer-fill"),o=e("buffer-alloc-unsafe");t.exports=function(e,t,i){if("number"!=typeof e)throw new TypeError("\"size\" argument must be a number");if(0>e)throw new RangeError("\"size\" argument must not be negative");if(n.alloc)return n.alloc(e,t,i);var a=o(e);return 0===e?a:void 0===t?r(a,0):("string"!=typeof i&&(i=void 0),r(a,t,i))}}).call(this,e("buffer").Buffer)},{buffer:41,"buffer-alloc-unsafe":44,"buffer-fill":46}],46:[function(e,t){(function(e){function n(e){return 1===e.length&&256>e.charCodeAt(0)}function r(e,t,n,r){if(0>n||r>e.length)throw new RangeError("Out of range index");return n>>>=0,r=void 0===r?e.length:r>>>0,r>n&&e.fill(t,n,r),e}function o(e,t,n,r){if(0>n||r>e.length)throw new RangeError("Out of range index");if(r<=n)return e;n>>>=0,r=void 0===r?e.length:r>>>0;for(var o=n,i=t.length;o<=r-i;)t.copy(e,o),o+=i;return o!==r&&t.copy(e,o,0,r-o),e}var i=function(){try{if(!e.isEncoding("latin1"))return!1;var t=e.alloc?e.alloc(4):new e(4);return t.fill("ab","ucs2"),"61006200"===t.toString("hex")}catch(e){return!1}}();t.exports=function(t,a,s,d,l){if(i)return t.fill(a,s,d,l);if("number"==typeof a)return r(t,a,s,d);if("string"==typeof a){if("string"==typeof s?(l=s,s=0,d=t.length):"string"==typeof d&&(l=d,d=t.length),void 0!==l&&"string"!=typeof l)throw new TypeError("encoding must be a string");if("latin1"===l&&(l="binary"),"string"==typeof l&&!e.isEncoding(l))throw new TypeError("Unknown encoding: "+l);if(""===a)return r(t,0,s,d);if(n(a))return r(t,a.charCodeAt(0),s,d);a=new e(a,l)}return e.isBuffer(a)?o(t,a,s,d):r(t,0,s,d)}}).call(this,e("buffer").Buffer)},{buffer:41}],47:[function(e,t){(function(e){function n(e){return"ArrayBuffer"===i.call(e).slice(8,-1)}function r(t,n,r){n>>>=0;var o=t.byteLength-n;if(0>o)throw new RangeError("'offset' is out of bounds");if(void 0===r)r=o;else if(r>>>=0,r>o)throw new RangeError("'length' is out of bounds");return a?e.from(t.slice(n,n+r)):new e(new Uint8Array(t.slice(n,n+r)))}function o(t,n){if(("string"!=typeof n||""===n)&&(n="utf8"),!e.isEncoding(n))throw new TypeError("\"encoding\" must be a valid string encoding");return a?e.from(t,n):new e(t,n)}var i=Object.prototype.toString,a="function"==typeof e.alloc&&"function"==typeof e.allocUnsafe&&"function"==typeof e.from;t.exports=function(t,i,s){if("number"==typeof t)throw new TypeError("\"value\" argument must not be a number");return n(t)?r(t,i,s):"string"==typeof t?o(t,i):a?e.from(t):new e(t)}}).call(this,e("buffer").Buffer)},{buffer:41}],48:[function(e,t){t.exports={100:"Continue",101:"Switching Protocols",102:"Processing",200:"OK",201:"Created",202:"Accepted",203:"Non-Authoritative Information",204:"No Content",205:"Reset Content",206:"Partial Content",207:"Multi-Status",208:"Already Reported",226:"IM Used",300:"Multiple Choices",301:"Moved Permanently",302:"Found",303:"See Other",304:"Not Modified",305:"Use Proxy",307:"Temporary Redirect",308:"Permanent Redirect",400:"Bad Request",401:"Unauthorized",402:"Payment Required",403:"Forbidden",404:"Not Found",405:"Method Not Allowed",406:"Not Acceptable",407:"Proxy Authentication Required",408:"Request Timeout",409:"Conflict",410:"Gone",411:"Length Required",412:"Precondition Failed",413:"Payload Too Large",414:"URI Too Long",415:"Unsupported Media Type",416:"Range Not Satisfiable",417:"Expectation Failed",418:"I'm a teapot",421:"Misdirected Request",422:"Unprocessable Entity",423:"Locked",424:"Failed Dependency",425:"Unordered Collection",426:"Upgrade Required",428:"Precondition Required",429:"Too Many Requests",431:"Request Header Fields Too Large",451:"Unavailable For Legal Reasons",500:"Internal Server Error",501:"Not Implemented",502:"Bad Gateway",503:"Service Unavailable",504:"Gateway Timeout",505:"HTTP Version Not Supported",506:"Variant Also Negotiates",507:"Insufficient Storage",508:"Loop Detected",509:"Bandwidth Limit Exceeded",510:"Not Extended",511:"Network Authentication Required"}},{}],49:[function(e,t,n){arguments[4][15][0].apply(n,arguments)},{"./_stream_readable":51,"./_stream_writable":53,"core-util-is":60,dup:15,inherits:80,"process-nextick-args":131}],50:[function(e,t,n){arguments[4][16][0].apply(n,arguments)},{"./_stream_transform":52,"core-util-is":60,dup:16,inherits:80}],51:[function(e,t,n){arguments[4][17][0].apply(n,arguments)},{"./_stream_duplex":49,"./internal/streams/BufferList":54,"./internal/streams/destroy":55,"./internal/streams/stream":56,_process:132,"core-util-is":60,dup:17,events:42,inherits:80,isarray:85,"process-nextick-args":131,"safe-buffer":168,"string_decoder/":209,util:39}],52:[function(e,t,n){arguments[4][18][0].apply(n,arguments)},{"./_stream_duplex":49,"core-util-is":60,dup:18,inherits:80}],53:[function(e,t,n){arguments[4][19][0].apply(n,arguments)},{"./_stream_duplex":49,"./internal/streams/destroy":55,"./internal/streams/stream":56,_process:132,"core-util-is":60,dup:19,inherits:80,"process-nextick-args":131,"safe-buffer":168,timers:212,"util-deprecate":223}],54:[function(e,t,n){arguments[4][20][0].apply(n,arguments)},{dup:20,"safe-buffer":168,util:39}],55:[function(e,t,n){arguments[4][21][0].apply(n,arguments)},{dup:21,"process-nextick-args":131}],56:[function(e,t,n){arguments[4][22][0].apply(n,arguments)},{dup:22,events:42}],57:[function(e,t,n){arguments[4][23][0].apply(n,arguments)},{"./lib/_stream_duplex.js":49,"./lib/_stream_passthrough.js":50,"./lib/_stream_readable.js":51,"./lib/_stream_transform.js":52,"./lib/_stream_writable.js":53,dup:23}],58:[function(e,t){const n=e("block-stream2"),r=e("readable-stream");class o extends r.Writable{constructor(e,t,r={}){if(super(r),!e||!e.put||!e.get)throw new Error("First argument must be an abstract-chunk-store compliant store");if(t=+t,!t)throw new Error("Second argument must be a chunk length");this._blockstream=new n(t,{zeroPadding:!1});let o=0;const i=t=>{this.destroyed||(e.put(o,t),o+=1)};this._blockstream.on("data",i).on("error",e=>{this.destroy(e)}),this.on("finish",()=>this._blockstream.end())}_write(e,t,n){this._blockstream.write(e,t,n)}destroy(e){this.destroyed||(this.destroyed=!0,e&&this.emit("error",e),this.emit("close"))}}t.exports=o},{"block-stream2":29,"readable-stream":57}],59:[function(e,n){n.exports=function(e,n,r){for(var o=1/0,a=0,s=n.length-1,d,l,c;a<=s&&(d=a+(s-a>>1),c=n[d]-e,0>c?a=d+1:0<c?s=d-1:void 0,c=t(c),c<o&&(o=c,l=d),n[d]!==e););return r?l:n[l]}},{}],60:[function(e,t,n){(function(e){function t(e){return Object.prototype.toString.call(e)}n.isArray=function(e){return Array.isArray?Array.isArray(e):"[object Array]"===t(e)},n.isBoolean=function(e){return"boolean"==typeof e},n.isNull=function(e){return null===e},n.isNullOrUndefined=function(e){return null==e},n.isNumber=function(e){return"number"==typeof e},n.isString=function(e){return"string"==typeof e},n.isSymbol=function(e){return"symbol"==typeof e},n.isUndefined=function(e){return void 0===e},n.isRegExp=function(e){return"[object RegExp]"===t(e)},n.isObject=function(e){return"object"==typeof e&&null!==e},n.isDate=function(e){return"[object Date]"===t(e)},n.isError=function(n){return"[object Error]"===t(n)||n instanceof Error},n.isFunction=function(e){return"function"==typeof e},n.isPrimitive=function(e){return null===e||"boolean"==typeof e||"number"==typeof e||"string"==typeof e||"symbol"==typeof e||"undefined"==typeof e},n.isBuffer=e.isBuffer}).call(this,{isBuffer:e("../../is-buffer/index.js")})},{"../../is-buffer/index.js":82}],61:[function(e,t){(function(n,r,i){function a(e,t,r){function o(){A(e.map(e=>t=>{const n={};if(h(e))n.getStream=_(e),n.length=e.size;else if(i.isBuffer(e))n.getStream=b(e),n.length=e.length;else if(g(e))n.getStream=w(e,n),n.length=0;else{if("string"==typeof e){if("function"!=typeof L.stat)throw new Error("filesystem paths do not work in the browser");const n=1<d||l;return void s(e,n,t)}throw new Error("invalid input type")}n.path=e.path,t(null,n)}),(e,t)=>e?r(e):void(t=C(t),r(null,t,l)))}if(m(e)&&(e=Array.from(e)),Array.isArray(e)||(e=[e]),0===e.length)throw new Error("invalid input type");e.forEach(e=>{if(null==e)throw new Error(`invalid input type: ${e}`)}),e=e.map(e=>h(e)&&"string"==typeof e.path&&"function"==typeof L.stat?e.path:e),1!==e.length||"string"==typeof e[0]||e[0].name||(e[0].name=t.name);let a=null;e.forEach((t,n)=>{if("string"==typeof t)return;let r=t.fullPath||t.name;r||(r=`Unknown File ${n+1}`,t.unknownName=!0),t.path=r.split("/"),t.path[0]||t.path.shift(),2>t.path.length?a=null:0===n&&1<e.length?a=t.path[0]:t.path[0]!==a&&(a=null)}),e=e.filter(e=>{if("string"==typeof e)return!0;const t=e.path[e.path.length-1];return c(t)&&I.not(t)}),a&&e.forEach(e=>{const t=(i.isBuffer(e)||g(e))&&!e.path;"string"==typeof e||t||e.path.shift()}),!t.name&&a&&(t.name=a),t.name||e.some(e=>"string"==typeof e?(t.name=v.basename(e),!0):e.unknownName?void 0:(t.name=e.path[e.path.length-1],!0)),t.name||(t.name=`Unnamed Torrent ${Date.now()}`);const d=e.reduce((e,t)=>e+ +("string"==typeof t),0);let l=1===e.length;if(1===e.length&&"string"==typeof e[0]){if("function"!=typeof L.stat)throw new Error("filesystem paths do not work in the browser");B(e[0],(e,t)=>e?r(e):void(l=t,o()))}else n.nextTick(()=>{o()})}function s(e,t,n){l(e,d,(r,o)=>r?n(r):void(o=Array.isArray(o)?C(o):[o],e=v.normalize(e),t&&(e=e.slice(0,e.lastIndexOf(v.sep)+1)),e[e.length-1]!==v.sep&&(e+=v.sep),o.forEach(t=>{t.getStream=y(t.path),t.path=t.path.replace(e,"").split(v.sep)}),n(null,o)))}function d(e,t){t=R(t),L.stat(e,(n,r)=>{if(n)return t(n);const o={length:r.size,path:e};t(null,o)})}function l(e,t,n){L.stat(e,(r,o)=>r?n(r):void(o.isDirectory()?L.readdir(e,(r,o)=>r?n(r):void A(o.filter(c).filter(I.not).map(n=>r=>{l(v.join(e,n),t,r)}),n)):o.isFile()&&t(e,n)))}function c(e){return"."!==e[0]}function u(e,t,n){function r(e){c+=e.length;const t=f;U(e,e=>{l[t]=e,p-=1,d()}),p+=1,f+=1}function o(){h=!0,d()}function a(e){s(),n(e)}function s(){m.removeListener("error",a),g.removeListener("data",r),g.removeListener("end",o),g.removeListener("error",a)}function d(){h&&0==p&&(s(),n(null,i.from(l.join(""),"hex"),c))}n=R(n);const l=[];let c=0;const u=e.map(e=>e.getStream);let p=0,f=0,h=!1;const m=new T(u),g=new x(t,{zeroPadding:!1});m.on("error",a),m.pipe(g).on("data",r).on("end",o).on("error",a)}function p(e,n,i){let a=n.announceList;a||("string"==typeof n.announce?a=[[n.announce]]:Array.isArray(n.announce)&&(a=n.announce.map(e=>[e]))),a||(a=[]),r.WEBTORRENT_ANNOUNCE&&("string"==typeof r.WEBTORRENT_ANNOUNCE?a.push([[r.WEBTORRENT_ANNOUNCE]]):Array.isArray(r.WEBTORRENT_ANNOUNCE)&&(a=a.concat(r.WEBTORRENT_ANNOUNCE.map(e=>[e])))),n.announce===void 0&&n.announceList===void 0&&(a=a.concat(t.exports.announceList)),"string"==typeof n.urlList&&(n.urlList=[n.urlList]);const s={info:{name:n.name},"creation date":o((+n.creationDate||Date.now())/1e3),encoding:"UTF-8"};0!==a.length&&(s.announce=a[0][0],s["announce-list"]=a),n.comment!==void 0&&(s.comment=n.comment),n.createdBy!==void 0&&(s["created by"]=n.createdBy),n.private!==void 0&&(s.info.private=+n.private),n.sslCert!==void 0&&(s.info["ssl-cert"]=n.sslCert),n.urlList!==void 0&&(s["url-list"]=n.urlList);const d=n.pieceLength||S(e.reduce(f,0));s.info["piece length"]=d,u(e,d,(t,r,o)=>t?i(t):void(s.info.pieces=r,e.forEach(e=>{delete e.getStream}),n.singleFileTorrent?s.info.length=o:s.info.files=e,i(null,k.encode(s))))}function f(e,t){return e+t.length}function h(e){return"undefined"!=typeof Blob&&e instanceof Blob}function m(e){return"undefined"!=typeof FileList&&e instanceof FileList}function g(e){return"object"==typeof e&&null!=e&&"function"==typeof e.pipe}function _(e){return()=>new E(e)}function b(e){return()=>{const t=new P.PassThrough;return t.end(e),t}}function y(e){return()=>L.createReadStream(e)}function w(e,t){return()=>{const n=new P.Transform;return n._transform=function(e,n,r){t.length+=e.length,this.push(e),r()},e.pipe(n),n}}const k=e("bencode"),x=e("block-stream2"),S=e("piece-length"),v=e("path"),E=e("filestream/read"),C=e("flatten"),L=e("fs"),B=e("is-file"),I=e("junk"),T=e("multistream"),R=e("once"),A=e("run-parallel"),U=e("simple-sha1"),P=e("readable-stream");t.exports=function(e,t,n){"function"==typeof t&&([t,n]=[n,t]),t=t?Object.assign({},t):{},a(e,t,(e,r,o)=>e?n(e):void(t.singleFileTorrent=o,p(r,t,n)))},t.exports.parseInput=function(e,t,n){"function"==typeof t&&([t,n]=[n,t]),t=t?Object.assign({},t):{},a(e,t,n)},t.exports.announceList=[["udp://tracker.leechers-paradise.org:6969"],["udp://tracker.coppersurfer.tk:6969"],["udp://tracker.opentrackr.org:1337"],["udp://explodie.org:6969"],["udp://tracker.empire-js.us:1337"],["wss://tracker.btorrent.xyz"],["wss://tracker.openwebtorrent.com"],["wss://tracker.fastcast.nz"]]}).call(this,e("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global,e("buffer").Buffer)},{_process:132,bencode:11,"block-stream2":29,buffer:41,"filestream/read":75,flatten:76,fs:40,"is-file":83,junk:86,multistream:115,once:126,path:129,"piece-length":130,"readable-stream":162,"run-parallel":166,"simple-sha1":181}],62:[function(e,t,n){(function(o){function r(e){var t=this.useColors;if(e[0]=(t?"%c":"")+this.namespace+(t?" %c":" ")+e[0]+(t?"%c ":" ")+"+"+n.humanize(this.diff),!!t){var r="color: "+this.color;e.splice(1,0,r,"color: inherit");var o=0,i=0;e[0].replace(/%[a-zA-Z%]/g,function(e){"%%"===e||(o++,"%c"===e&&(i=o))}),e.splice(i,0,r)}}function i(e){try{null==e?n.storage.removeItem("debug"):n.storage.debug=e}catch(t){}}function a(){var e;try{e=n.storage.debug}catch(t){}return!e&&"undefined"!=typeof o&&"env"in o&&(e=o.env.DEBUG),e}n=t.exports=e("./debug"),n.log=function(){return"object"==typeof console&&console.log&&Function.prototype.apply.call(console.log,console,arguments)},n.formatArgs=r,n.save=i,n.load=a,n.useColors=function(){return!!("undefined"!=typeof window&&window.process&&"renderer"===window.process.type)||!("undefined"!=typeof navigator&&navigator.userAgent&&navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/))&&("undefined"!=typeof document&&document.documentElement&&document.documentElement.style&&document.documentElement.style.WebkitAppearance||"undefined"!=typeof window&&window.console&&(window.console.firebug||window.console.exception&&window.console.table)||"undefined"!=typeof navigator&&navigator.userAgent&&navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/)&&31<=parseInt(RegExp.$1,10)||"undefined"!=typeof navigator&&navigator.userAgent&&navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/))},n.storage="undefined"!=typeof chrome&&"undefined"!=typeof chrome.storage?chrome.storage.local:function(){try{return window.localStorage}catch(t){}}(),n.colors=["#0000CC","#0000FF","#0033CC","#0033FF","#0066CC","#0066FF","#0099CC","#0099FF","#00CC00","#00CC33","#00CC66","#00CC99","#00CCCC","#00CCFF","#3300CC","#3300FF","#3333CC","#3333FF","#3366CC","#3366FF","#3399CC","#3399FF","#33CC00","#33CC33","#33CC66","#33CC99","#33CCCC","#33CCFF","#6600CC","#6600FF","#6633CC","#6633FF","#66CC00","#66CC33","#9900CC","#9900FF","#9933CC","#9933FF","#99CC00","#99CC33","#CC0000","#CC0033","#CC0066","#CC0099","#CC00CC","#CC00FF","#CC3300","#CC3333","#CC3366","#CC3399","#CC33CC","#CC33FF","#CC6600","#CC6633","#CC9900","#CC9933","#CCCC00","#CCCC33","#FF0000","#FF0033","#FF0066","#FF0099","#FF00CC","#FF00FF","#FF3300","#FF3333","#FF3366","#FF3399","#FF33CC","#FF33FF","#FF6600","#FF6633","#FF9900","#FF9933","#FFCC00","#FFCC33"],n.formatters.j=function(e){try{return JSON.stringify(e)}catch(e){return"[UnexpectedJSONParseError]: "+e.message}},n.enable(a())}).call(this,e("_process"))},{"./debug":63,_process:132}],63:[function(e,n,r){function o(e){var n=0,o;for(o in e)n=(n<<5)-n+e.charCodeAt(o),n|=0;return r.colors[t(n)%r.colors.length]}function i(e){function t(){if(t.enabled){var e=t,o=+new Date,a=o-(n||o);e.diff=a,e.prev=n,e.curr=o,n=o;for(var s=Array(arguments.length),d=0;d<s.length;d++)s[d]=arguments[d];s[0]=r.coerce(s[0]),"string"!=typeof s[0]&&s.unshift("%O");var l=0;s[0]=s[0].replace(/%([a-zA-Z%])/g,function(t,n){if("%%"===t)return t;l++;var o=r.formatters[n];if("function"==typeof o){var i=s[l];t=o.call(e,i),s.splice(l,1),l--}return t}),r.formatArgs.call(e,s);var c=t.log||r.log||console.log.bind(console);c.apply(e,s)}}var n;return t.namespace=e,t.enabled=r.enabled(e),t.useColors=r.useColors(),t.color=o(e),t.destroy=a,"function"==typeof r.init&&r.init(t),r.instances.push(t),t}function a(){var e=r.instances.indexOf(this);return-1!==e&&(r.instances.splice(e,1),!0)}function s(e){r.save(e),r.names=[],r.skips=[];var t=("string"==typeof e?e:"").split(/[\s,]+/),n=t.length,o;for(o=0;o<n;o++)t[o]&&(e=t[o].replace(/\*/g,".*?"),"-"===e[0]?r.skips.push(new RegExp("^"+e.substr(1)+"$")):r.names.push(new RegExp("^"+e+"$")));for(o=0;o<r.instances.length;o++){var a=r.instances[o];a.enabled=r.enabled(a.namespace)}}function d(){r.enable("")}function l(e){if("*"===e[e.length-1])return!0;var t,n;for(t=0,n=r.skips.length;t<n;t++)if(r.skips[t].test(e))return!1;for(t=0,n=r.names.length;t<n;t++)if(r.names[t].test(e))return!0;return!1}r=n.exports=i.debug=i["default"]=i,r.coerce=function(e){return e instanceof Error?e.stack||e.message:e},r.disable=d,r.enable=s,r.enabled=l,r.humanize=e("ms"),r.instances=[],r.names=[],r.skips=[],r.formatters={}},{ms:114}],64:[function(e,t){t.exports=function(){for(var e=0;e<arguments.length;e++)if(arguments[e]!==void 0)return arguments[e]}},{}],65:[function(e,t){var n=e("once"),r=function(){},o=function(e){return e.setHeader&&"function"==typeof e.abort},i=function(e){return e.stdio&&Array.isArray(e.stdio)&&3===e.stdio.length},a=function(e,t,s){if("function"==typeof t)return a(e,null,t);t||(t={}),s=n(s||r);var d=e._writableState,l=e._readableState,c=t.readable||!1!==t.readable&&e.readable,u=t.writable||!1!==t.writable&&e.writable,p=function(){e.writable||f()},f=function(){u=!1,c||s.call(e)},h=function(){c=!1,u||s.call(e)},m=function(t){s.call(e,t?new Error("exited with error code: "+t):null)},g=function(t){s.call(e,t)},_=function(){return c&&!(l&&l.ended)?s.call(e,new Error("premature close")):u&&!(d&&d.ended)?s.call(e,new Error("premature close")):void 0},b=function(){e.req.on("finish",f)};return o(e)?(e.on("complete",f),e.on("abort",_),e.req?b():e.on("request",b)):u&&!d&&(e.on("end",p),e.on("close",p)),i(e)&&e.on("exit",m),e.on("end",h),e.on("finish",f),!1!==t.error&&e.on("error",g),e.on("close",_),function(){e.removeListener("complete",f),e.removeListener("abort",_),e.removeListener("request",b),e.req&&e.req.removeListener("finish",f),e.removeListener("end",p),e.removeListener("close",p),e.removeListener("finish",f),e.removeListener("exit",m),e.removeListener("end",h),e.removeListener("error",g),e.removeListener("close",_)}};t.exports=a},{once:126}],66:[function(e,t,n){arguments[4][15][0].apply(n,arguments)},{"./_stream_readable":68,"./_stream_writable":70,"core-util-is":60,dup:15,inherits:80,"process-nextick-args":131}],67:[function(e,t,n){arguments[4][16][0].apply(n,arguments)},{"./_stream_transform":69,"core-util-is":60,dup:16,inherits:80}],68:[function(e,t,n){arguments[4][17][0].apply(n,arguments)},{"./_stream_duplex":66,"./internal/streams/BufferList":71,"./internal/streams/destroy":72,"./internal/streams/stream":73,_process:132,"core-util-is":60,dup:17,events:42,inherits:80,isarray:85,"process-nextick-args":131,"safe-buffer":168,"string_decoder/":209,util:39}],69:[function(e,t,n){arguments[4][18][0].apply(n,arguments)},{"./_stream_duplex":66,"core-util-is":60,dup:18,inherits:80}],70:[function(e,t,n){arguments[4][19][0].apply(n,arguments)},{"./_stream_duplex":66,"./internal/streams/destroy":72,"./internal/streams/stream":73,_process:132,"core-util-is":60,dup:19,inherits:80,"process-nextick-args":131,"safe-buffer":168,timers:212,"util-deprecate":223}],71:[function(e,t,n){arguments[4][20][0].apply(n,arguments)},{dup:20,"safe-buffer":168,util:39}],72:[function(e,t,n){arguments[4][21][0].apply(n,arguments)},{dup:21,"process-nextick-args":131}],73:[function(e,t,n){arguments[4][22][0].apply(n,arguments)},{dup:22,events:42}],74:[function(e,t,n){arguments[4][23][0].apply(n,arguments)},{"./lib/_stream_duplex.js":66,"./lib/_stream_passthrough.js":67,"./lib/_stream_readable.js":68,"./lib/_stream_transform.js":69,"./lib/_stream_writable.js":70,dup:23}],75:[function(e,t){function n(e,t){var o=this;return this instanceof n?void(t=t||{},r.call(this,t),this._offset=0,this._ready=!1,this._file=e,this._size=e.size,this._chunkSize=t.chunkSize||a(this._size/1e3,204800),this.reader=new FileReader,this._generateHeaderBlocks(e,t,function(e,t){return e?o.emit("error",e):void(Array.isArray(t)&&t.forEach(function(e){o.push(e)}),o._ready=!0,o.emit("_ready"))})):new n(e,t)}var r=e("readable-stream").Readable,o=e("inherits"),i=/^.*\.(\w+)$/,s=e("typedarray-to-buffer");o(n,r),t.exports=n,n.prototype._generateHeaderBlocks=function(e,t,n){n(null,[])},n.prototype._read=function(){if(!this._ready)return void this.once("_ready",this._read.bind(this));var e=this,t=this.reader,n=this._offset,r=this._offset+this._chunkSize;return r>this._size&&(r=this._size),n===this._size?(this.destroy(),void this.push(null)):void(t.onload=function(){e._offset=r,e.push(s(t.result))},t.onerror=function(){e.emit("error",t.error)},t.readAsArrayBuffer(this._file.slice(n,r)))},n.prototype.destroy=function(){if(this._file=null,this.reader){this.reader.onload=null,this.reader.onerror=null;try{this.reader.abort()}catch(t){}}this.reader=null}},{inherits:80,"readable-stream":74,"typedarray-to-buffer":216}],76:[function(e,t){t.exports=function(e,t){function n(e,r){return e.reduce(function(e,o){return Array.isArray(o)&&r<t?e.concat(n(o,r+1)):e.concat(o)},[])}return t="number"==typeof t?t:1/0,t?n(e,1):Array.isArray(e)?e.map(function(e){return e}):e}},{}],77:[function(e,t){t.exports=function(){if("undefined"==typeof window)return null;var e={RTCPeerConnection:window.RTCPeerConnection||window.mozRTCPeerConnection||window.webkitRTCPeerConnection,RTCSessionDescription:window.RTCSessionDescription||window.mozRTCSessionDescription||window.webkitRTCSessionDescription,RTCIceCandidate:window.RTCIceCandidate||window.mozRTCIceCandidate||window.webkitRTCIceCandidate};return e.RTCPeerConnection?e:null}},{}],78:[function(e,o,i){i.read=function(t,r,o,a,l){var c=8*l-a-1,u=(1<<c)-1,p=u>>1,f=-7,h=o?l-1:0,g=o?-1:1,d=t[r+h],_,b;for(h+=g,_=d&(1<<-f)-1,d>>=-f,f+=c;0<f;_=256*_+t[r+h],h+=g,f-=8);for(b=_&(1<<-f)-1,_>>=-f,f+=a;0<f;b=256*b+t[r+h],h+=g,f-=8);if(0===_)_=1-p;else{if(_===u)return b?NaN:(d?-1:1)*(1/0);b+=n(2,a),_-=p}return(d?-1:1)*b*n(2,_-a)},i.write=function(o,a,l,u,p,f){var h=8*f-p-1,g=(1<<h)-1,_=g>>1,b=23===p?5.960464477539063e-8-6.617444900424222e-24:0,y=u?0:f-1,w=u?1:-1,d=0>a||0===a&&0>1/a?1:0,s,k,x;for(a=t(a),isNaN(a)||a===1/0?(k=isNaN(a)?1:0,s=g):(s=r(Math.log(a)/Math.LN2),1>a*(x=n(2,-s))&&(s--,x*=2),a+=1<=s+_?b/x:b*n(2,1-_),2<=a*x&&(s++,x/=2),s+_>=g?(k=0,s=g):1<=s+_?(k=(a*x-1)*n(2,p),s+=_):(k=a*n(2,_-1)*n(2,p),s=0));8<=p;o[l+y]=255&k,y+=w,k/=256,p-=8);for(s=s<<p|k,h+=p;0<h;o[l+y]=255&s,y+=w,s/=256,h-=8);o[l+y-w]|=128*d}},{}],79:[function(e,t){(function(e){function n(t,n,r){e.nextTick(()=>{t&&t(n,r)})}t.exports=class{constructor(e){if(this.store=e,this.chunkLength=e.chunkLength,!this.store||!this.store.get||!this.store.put)throw new Error("First argument must be abstract-chunk-store compliant");this.mem=[]}put(e,t,n){this.mem[e]=t,this.store.put(e,t,t=>{this.mem[e]=null,n&&n(t)})}get(e,t,r){if("function"==typeof t)return this.get(e,null,t);const o=t&&t.offset||0,i=t&&t.length&&o+t.length,a=this.mem[e];return a?n(r,null,t?a.slice(o,i):a):void this.store.get(e,t,r)}close(e){this.store.close(e)}destroy(e){this.store.destroy(e)}}}).call(this,e("_process"))},{_process:132}],80:[function(e,t){t.exports="function"==typeof Object.create?function(e,t){e.super_=t,e.prototype=Object.create(t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}})}:function(e,t){e.super_=t;var n=function(){};n.prototype=t.prototype,e.prototype=new n,e.prototype.constructor=e}},{}],81:[function(e,t){t.exports=function(e){for(var t=0,n=e.length;t<n;++t)if(e.charCodeAt(t)>127)return!1;return!0}},{}],82:[function(e,t){function n(e){return!!e.constructor&&"function"==typeof e.constructor.isBuffer&&e.constructor.isBuffer(e)}function r(e){return"function"==typeof e.readFloatLE&&"function"==typeof e.slice&&n(e.slice(0,0))}t.exports=function(e){return null!=e&&(n(e)||r(e)||!!e._isBuffer)}},{}],83:[function(e,t){"use strict";function n(e){return r.existsSync(e)&&r.statSync(e).isFile()}var r=e("fs");t.exports=function(e,t){return t?void r.stat(e,function(e,n){return e?t(e):t(null,n.isFile())}):n(e)},t.exports.sync=n},{fs:40}],84:[function(e,t){function n(e){return r(e)||o(e)}function r(e){return e instanceof Int8Array||e instanceof Int16Array||e instanceof Int32Array||e instanceof Uint8Array||e instanceof Uint8ClampedArray||e instanceof Uint16Array||e instanceof Uint32Array||e instanceof Float32Array||e instanceof Float64Array}function o(e){return a[i.call(e)]}t.exports=n,n.strict=r,n.loose=o;var i=Object.prototype.toString,a={"[object Int8Array]":!0,"[object Int16Array]":!0,"[object Int32Array]":!0,"[object Uint8Array]":!0,"[object Uint8ClampedArray]":!0,"[object Uint16Array]":!0,"[object Uint32Array]":!0,"[object Float32Array]":!0,"[object Float64Array]":!0}},{}],85:[function(e,t){var n={}.toString;t.exports=Array.isArray||function(e){return"[object Array]"==n.call(e)}},{}],86:[function(e,t,n){"use strict";n.regex=n.re=/^npm-debug\.log$|^\..*\.swp$|^\.DS_Store$|^\.AppleDouble$|^\.LSOverride$|^Icon\r$|^\._.*|^\.Spotlight-V100(?:$|\/)|\.Trashes|^__MACOSX$|~$|^Thumbs\.db$|^ehthumbs\.db$|^Desktop\.ini$|^@eaDir$/,n.is=e=>n.re.test(e),n.not=e=>!n.is(e)},{}],87:[function(e,t){(function(n){function r(e){const t={},r=e.split("magnet:?")[1],i=r&&0<=r.length?r.split("&"):[];i.forEach(e=>{const n=e.split("=");if(2!==n.length)return;const r=n[0];let o=n[1];if("dn"===r&&(o=decodeURIComponent(o).replace(/\+/g," ")),("tr"===r||"xs"===r||"as"===r||"ws"===r)&&(o=decodeURIComponent(o)),"kt"===r&&(o=decodeURIComponent(o).split("+")),"ix"===r&&(o=+o),!t[r])t[r]=o;else if(Array.isArray(t[r]))t[r].push(o);else{const e=t[r];t[r]=[e,o]}});let s;if(t.xt){const e=Array.isArray(t.xt)?t.xt:[t.xt];e.forEach(e=>{if(s=e.match(/^urn:btih:(.{40})/))t.infoHash=s[1].toLowerCase();else if(s=e.match(/^urn:btih:(.{32})/)){const e=o.decode(s[1]);t.infoHash=n.from(e,"binary").toString("hex")}})}return t.infoHash&&(t.infoHashBuffer=n.from(t.infoHash,"hex")),t.dn&&(t.name=t.dn),t.kt&&(t.keywords=t.kt),t.announce="string"==typeof t.tr?[t.tr]:Array.isArray(t.tr)?t.tr:[],t.urlList=[],("string"==typeof t.as||Array.isArray(t.as))&&(t.urlList=t.urlList.concat(t.as)),("string"==typeof t.ws||Array.isArray(t.ws))&&(t.urlList=t.urlList.concat(t.ws)),a(t.announce),a(t.urlList),t}t.exports=r,t.exports.decode=r,t.exports.encode=function(e){e=i(e),e.infoHashBuffer&&(e.xt=`urn:btih:${e.infoHashBuffer.toString("hex")}`),e.infoHash&&(e.xt=`urn:btih:${e.infoHash}`),e.name&&(e.dn=e.name),e.keywords&&(e.kt=e.keywords),e.announce&&(e.tr=e.announce),e.urlList&&(e.ws=e.urlList,delete e.as);let t="magnet:?";return Object.keys(e).filter(e=>2===e.length).forEach((n,r)=>{const o=Array.isArray(e[n])?e[n]:[e[n]];o.forEach((e,o)=>{(0<r||0<o)&&("kt"!==n||0===o)&&(t+="&"),"dn"===n&&(e=encodeURIComponent(e).replace(/%20/g,"+")),("tr"===n||"xs"===n||"as"===n||"ws"===n)&&(e=encodeURIComponent(e)),"kt"===n&&(e=encodeURIComponent(e)),t+="kt"===n&&0<o?`+${e}`:`${n}=${e}`})}),t};const o=e("thirty-two"),i=e("xtend"),a=e("uniq")}).call(this,e("buffer").Buffer)},{buffer:41,"thirty-two":210,uniq:218,xtend:227}],88:[function(e,t){function n(e,t){var r=this;if(!(r instanceof n))return new n(e,t);if(!d)throw new Error("web browser lacks MediaSource support");t||(t={}),r._debug=t.debug,r._bufferDuration=t.bufferDuration||60,r._elem=e,r._mediaSource=new d,r._streams=[],r.detailedError=null,r._errorHandler=function(){r._elem.removeEventListener("error",r._errorHandler);var e=r._streams.slice();e.forEach(function(e){e.destroy(r._elem.error)})},r._elem.addEventListener("error",r._errorHandler),r._elem.src=window.URL.createObjectURL(r._mediaSource)}function r(e,t){var n=this;if(a.Writable.call(n),n._wrapper=e,n._elem=e._elem,n._mediaSource=e._mediaSource,n._allStreams=e._streams,n._allStreams.push(n),n._bufferDuration=e._bufferDuration,n._sourceBuffer=null,n._debugBuffers=[],n._openHandler=function(){n._onSourceOpen()},n._flowHandler=function(){n._flow()},n._errorHandler=function(e){n.destroyed||n.emit("error",e)},"string"==typeof t)n._type=t,"open"===n._mediaSource.readyState?n._createSourceBuffer():n._mediaSource.addEventListener("sourceopen",n._openHandler);else if(null===t._sourceBuffer)t.destroy(),n._type=t._type,n._mediaSource.addEventListener("sourceopen",n._openHandler);else if(t._sourceBuffer)t.destroy(),n._type=t._type,n._sourceBuffer=t._sourceBuffer,n._debugBuffers=t._debugBuffers,n._sourceBuffer.addEventListener("updateend",n._flowHandler),n._sourceBuffer.addEventListener("error",n._errorHandler);else throw new Error("The argument to MediaElementWrapper.createWriteStream must be a string or a previous stream returned from that function");n._elem.addEventListener("timeupdate",n._flowHandler),n.on("error",function(e){n._wrapper.error(e)}),n.on("finish",function(){if(!n.destroyed&&(n._finished=!0,n._allStreams.every(function(e){return e._finished}))){n._wrapper._dumpDebugData();try{n._mediaSource.endOfStream()}catch(e){}}})}function o(e,t){var n=document.createElement("a");n.href=window.URL.createObjectURL(new window.Blob(e)),n.download=t,n.click()}t.exports=n;var i=e("inherits"),a=e("readable-stream"),s=e("to-arraybuffer"),d="undefined"!=typeof window&&window.MediaSource;n.prototype.createWriteStream=function(e){var t=this;return new r(t,e)},n.prototype.error=function(e){var t=this;t.detailedError||(t.detailedError=e),t._dumpDebugData();try{t._mediaSource.endOfStream("decode")}catch(e){}},n.prototype._dumpDebugData=function(){var e=this;e._debug&&(e._debug=!1,e._streams.forEach(function(e,t){o(e._debugBuffers,"mediasource-stream-"+t)}))},i(r,a.Writable),r.prototype._onSourceOpen=function(){var e=this;e.destroyed||(e._mediaSource.removeEventListener("sourceopen",e._openHandler),e._createSourceBuffer())},r.prototype.destroy=function(e){var t=this;t.destroyed||(t.destroyed=!0,t._allStreams.splice(t._allStreams.indexOf(t),1),t._mediaSource.removeEventListener("sourceopen",t._openHandler),t._elem.removeEventListener("timeupdate",t._flowHandler),t._sourceBuffer&&(t._sourceBuffer.removeEventListener("updateend",t._flowHandler),t._sourceBuffer.removeEventListener("error",t._errorHandler),"open"===t._mediaSource.readyState&&t._sourceBuffer.abort()),e&&t.emit("error",e),t.emit("close"))},r.prototype._createSourceBuffer=function(){var e=this;if(!e.destroyed)if(!d.isTypeSupported(e._type))e.destroy(new Error("The provided type is not supported"));else if(e._sourceBuffer=e._mediaSource.addSourceBuffer(e._type),e._sourceBuffer.addEventListener("updateend",e._flowHandler),e._sourceBuffer.addEventListener("error",e._errorHandler),e._cb){var t=e._cb;e._cb=null,t()}},r.prototype._write=function(e,t,n){var r=this;if(!r.destroyed){if(!r._sourceBuffer)return void(r._cb=function(o){return o?n(o):void r._write(e,t,n)});if(r._sourceBuffer.updating)return n(new Error("Cannot append buffer while source buffer updating"));var o=s(e);r._wrapper._debug&&r._debugBuffers.push(o);try{r._sourceBuffer.appendBuffer(o)}catch(e){return void r.destroy(e)}r._cb=n}},r.prototype._flow=function(){var e=this;if(!(e.destroyed||!e._sourceBuffer||e._sourceBuffer.updating)&&!("open"===e._mediaSource.readyState&&e._getBufferDuration()>e._bufferDuration)&&e._cb){var t=e._cb;e._cb=null,t()}};r.prototype._getBufferDuration=function(){for(var e=this,t=e._sourceBuffer.buffered,n=e._elem.currentTime,r=-1,o=0;o<t.length;o++){var a=t.start(o),s=t.end(o)+0;if(a>n)break;else(0<=r||n<=s)&&(r=s)}var d=r-n;return 0>d&&(d=0),d}},{inherits:80,"readable-stream":97,"to-arraybuffer":213}],89:[function(e,t,n){arguments[4][15][0].apply(n,arguments)},{"./_stream_readable":91,"./_stream_writable":93,"core-util-is":60,dup:15,inherits:80,"process-nextick-args":131}],90:[function(e,t,n){arguments[4][16][0].apply(n,arguments)},{"./_stream_transform":92,"core-util-is":60,dup:16,inherits:80}],91:[function(e,t,n){arguments[4][17][0].apply(n,arguments)},{"./_stream_duplex":89,"./internal/streams/BufferList":94,"./internal/streams/destroy":95,"./internal/streams/stream":96,_process:132,"core-util-is":60,dup:17,events:42,inherits:80,isarray:85,"process-nextick-args":131,"safe-buffer":168,"string_decoder/":209,util:39}],92:[function(e,t,n){arguments[4][18][0].apply(n,arguments)},{"./_stream_duplex":89,"core-util-is":60,dup:18,inherits:80}],93:[function(e,t,n){arguments[4][19][0].apply(n,arguments)},{"./_stream_duplex":89,"./internal/streams/destroy":95,"./internal/streams/stream":96,_process:132,"core-util-is":60,dup:19,inherits:80,"process-nextick-args":131,"safe-buffer":168,timers:212,"util-deprecate":223}],94:[function(e,t,n){arguments[4][20][0].apply(n,arguments)},{dup:20,"safe-buffer":168,util:39}],95:[function(e,t,n){arguments[4][21][0].apply(n,arguments)},{dup:21,"process-nextick-args":131}],96:[function(e,t,n){arguments[4][22][0].apply(n,arguments)},{dup:22,events:42}],97:[function(e,t,n){arguments[4][23][0].apply(n,arguments)},{"./lib/_stream_duplex.js":89,"./lib/_stream_passthrough.js":90,"./lib/_stream_readable.js":91,"./lib/_stream_transform.js":92,"./lib/_stream_writable.js":93,dup:23}],98:[function(e,t){(function(e){function n(e,t){if(!(this instanceof n))return new n(e,t);if(t||(t={}),this.chunkLength=+e,!this.chunkLength)throw new Error("First argument must be a chunk length");this.chunks=[],this.closed=!1,this.length=+t.length||1/0,this.length!==1/0&&(this.lastChunkLength=this.length%this.chunkLength||this.chunkLength,this.lastChunkIndex=o(this.length/this.chunkLength)-1)}function r(t,n,r){e.nextTick(function(){t&&t(n,r)})}t.exports=n,n.prototype.put=function(e,t,n){if(this.closed)return r(n,new Error("Storage is closed"));var o=e===this.lastChunkIndex;return o&&t.length!==this.lastChunkLength?r(n,new Error("Last chunk length must be "+this.lastChunkLength)):o||t.length===this.chunkLength?void(this.chunks[e]=t,r(n,null)):r(n,new Error("Chunk length must be "+this.chunkLength))},n.prototype.get=function(e,t,n){if("function"==typeof t)return this.get(e,null,t);if(this.closed)return r(n,new Error("Storage is closed"));var o=this.chunks[e];if(!o){var i=new Error("Chunk not found");return i.notFound=!0,r(n,i)}if(!t)return r(n,null,o);var a=t.offset||0,s=t.length||o.length-a;r(n,null,o.slice(a,s+a))},n.prototype.close=n.prototype.destroy=function(e){return this.closed?r(e,new Error("Storage is closed")):void(this.closed=!0,this.chunks=null,r(e,null))}}).call(this,e("_process"))},{_process:132}],99:[function(e,t,n){function o(e,t,n){for(var r=t;r<n;r++)e[r]=0}function i(e,t,n){t.writeUInt32BE(r((e.getTime()+2082844800000)/1e3),n)}function a(e,t,n){t.writeUIntBE(r((e.getTime()+2082844800000)/1e3),n,6)}function d(e,t,n){t.writeUInt16BE(r(e)%65536,n),t.writeUInt16BE(r(256*(256*e))%65536,n+2)}function l(e,t,n){t[n]=r(e)%256,t[n+1]=r(256*e)%256}function c(e,t,n){e||(e=[0,0,0,0,0,0,0,0,0]);for(var r=0;r<e.length;r++)d(e[r],t,n+4*r)}function u(e,t,n){var r=k(e,"utf8");r.copy(t,n),t[n+r.length]=0}function p(e){for(var t=Array(e.length/4),n=0;n<t.length;n++)t[n]=m(e,4*n);return t}function f(e,t){return new Date(1e3*e.readUIntBE(t,6)-2082844800000)}function h(e,t){return new Date(1e3*e.readUInt32BE(t)-2082844800000)}function m(e,t){return e.readUInt16BE(t)+e.readUInt16BE(t+2)/65536}function g(e,t){return e[t]+e[t+1]/256}function _(e,t,n){var r;for(r=0;r<n&&!(0===e[t+r]);r++);return e.toString("utf8",t,t+r)}var b=e("./index"),y=e("./descriptor"),w=e("buffer-alloc"),k=e("buffer-from"),x=e("uint64be");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(e,t,r){t=t?t.slice(r):w(n.ftyp.encodingLength(e));var o=e.compatibleBrands||[];t.write(e.brand,0,4,"ascii"),t.writeUInt32BE(e.brandVersion,4);for(var a=0;a<o.length;a++)t.write(o[a],8+4*a,4,"ascii");return n.ftyp.encode.bytes=8+4*o.length,t},n.ftyp.decode=function(e,t){e=e.slice(t);for(var n=e.toString("ascii",0,4),r=e.readUInt32BE(4),o=[],a=8;a<e.length;a+=4)o.push(e.toString("ascii",a,a+4));return{brand:n,brandVersion:r,compatibleBrands:o}},n.ftyp.encodingLength=function(e){return 8+4*(e.compatibleBrands||[]).length},n.mvhd={},n.mvhd.encode=function(e,t,r){return t=t?t.slice(r):w(96),i(e.ctime||new Date,t,0),i(e.mtime||new Date,t,4),t.writeUInt32BE(e.timeScale||0,8),t.writeUInt32BE(e.duration||0,12),d(e.preferredRate||0,t,16),l(e.preferredVolume||0,t,20),o(t,22,32),c(e.matrix,t,32),t.writeUInt32BE(e.previewTime||0,68),t.writeUInt32BE(e.previewDuration||0,72),t.writeUInt32BE(e.posterTime||0,76),t.writeUInt32BE(e.selectionTime||0,80),t.writeUInt32BE(e.selectionDuration||0,84),t.writeUInt32BE(e.currentTime||0,88),t.writeUInt32BE(e.nextTrackId||0,92),n.mvhd.encode.bytes=96,t},n.mvhd.decode=function(e,t){return e=e.slice(t),{ctime:h(e,0),mtime:h(e,4),timeScale:e.readUInt32BE(8),duration:e.readUInt32BE(12),preferredRate:m(e,16),preferredVolume:g(e,20),matrix:p(e.slice(32,68)),previewTime:e.readUInt32BE(68),previewDuration:e.readUInt32BE(72),posterTime:e.readUInt32BE(76),selectionTime:e.readUInt32BE(80),selectionDuration:e.readUInt32BE(84),currentTime:e.readUInt32BE(88),nextTrackId:e.readUInt32BE(92)}},n.mvhd.encodingLength=function(){return 96},n.tkhd={},n.tkhd.encode=function(e,t,r){return t=t?t.slice(r):w(80),i(e.ctime||new Date,t,0),i(e.mtime||new Date,t,4),t.writeUInt32BE(e.trackId||0,8),o(t,12,16),t.writeUInt32BE(e.duration||0,16),o(t,20,28),t.writeUInt16BE(e.layer||0,28),t.writeUInt16BE(e.alternateGroup||0,30),t.writeUInt16BE(e.volume||0,32),c(e.matrix,t,36),t.writeUInt32BE(e.trackWidth||0,72),t.writeUInt32BE(e.trackHeight||0,76),n.tkhd.encode.bytes=80,t},n.tkhd.decode=function(e,t){return e=e.slice(t),{ctime:h(e,0),mtime:h(e,4),trackId:e.readUInt32BE(8),duration:e.readUInt32BE(16),layer:e.readUInt16BE(28),alternateGroup:e.readUInt16BE(30),volume:e.readUInt16BE(32),matrix:p(e.slice(36,72)),trackWidth:e.readUInt32BE(72),trackHeight:e.readUInt32BE(76)}},n.tkhd.encodingLength=function(){return 80},n.mdhd={},n.mdhd.encode=function(e,t,r){return 1===e.version?(t=t?t.slice(r):w(32),a(e.ctime||new Date,t,0),a(e.mtime||new Date,t,8),t.writeUInt32BE(e.timeScale||0,16),t.writeUIntBE(e.duration||0,20,6),t.writeUInt16BE(e.language||0,28),t.writeUInt16BE(e.quality||0,30),n.mdhd.encode.bytes=32,t):(t=t?t.slice(r):w(20),i(e.ctime||new Date,t,0),i(e.mtime||new Date,t,4),t.writeUInt32BE(e.timeScale||0,8),t.writeUInt32BE(e.duration||0,12),t.writeUInt16BE(e.language||0,16),t.writeUInt16BE(e.quality||0,18),n.mdhd.encode.bytes=20,t)},n.mdhd.decode=function(e,t,n){e=e.slice(t);return 20!=n-t?{ctime:f(e,0),mtime:f(e,8),timeScale:e.readUInt32BE(16),duration:e.readUIntBE(20,6),language:e.readUInt16BE(28),quality:e.readUInt16BE(30)}:{ctime:h(e,0),mtime:h(e,4),timeScale:e.readUInt32BE(8),duration:e.readUInt32BE(12),language:e.readUInt16BE(16),quality:e.readUInt16BE(18)}},n.mdhd.encodingLength=function(e){return 1===e.version?32:20},n.vmhd={},n.vmhd.encode=function(e,t,r){t=t?t.slice(r):w(8),t.writeUInt16BE(e.graphicsMode||0,0);var o=e.opcolor||[0,0,0];return t.writeUInt16BE(o[0],2),t.writeUInt16BE(o[1],4),t.writeUInt16BE(o[2],6),n.vmhd.encode.bytes=8,t},n.vmhd.decode=function(e,t){return e=e.slice(t),{graphicsMode:e.readUInt16BE(0),opcolor:[e.readUInt16BE(2),e.readUInt16BE(4),e.readUInt16BE(6)]}},n.vmhd.encodingLength=function(){return 8},n.smhd={},n.smhd.encode=function(e,t,r){return t=t?t.slice(r):w(4),t.writeUInt16BE(e.balance||0,0),o(t,2,4),n.smhd.encode.bytes=4,t},n.smhd.decode=function(e,t){return e=e.slice(t),{balance:e.readUInt16BE(0)}},n.smhd.encodingLength=function(){return 4},n.stsd={},n.stsd.encode=function(e,t,r){t=t?t.slice(r):w(n.stsd.encodingLength(e));var o=e.entries||[];t.writeUInt32BE(o.length,0);for(var a=4,s=0,d;s<o.length;s++)d=o[s],b.encode(d,t,a),a+=b.encode.bytes;return n.stsd.encode.bytes=a,t},n.stsd.decode=function(e,t,n){e=e.slice(t);for(var r=e.readUInt32BE(0),o=Array(r),a=4,s=0,d;s<r;s++)d=b.decode(e,a,n),o[s]=d,a+=d.length;return{entries:o}},n.stsd.encodingLength=function(e){var t=4;if(!e.entries)return t;for(var n=0;n<e.entries.length;n++)t+=b.encodingLength(e.entries[n]);return t},n.avc1=n.VisualSampleEntry={},n.VisualSampleEntry.encode=function(e,t,r){t=t?t.slice(r):w(n.VisualSampleEntry.encodingLength(e)),o(t,0,6),t.writeUInt16BE(e.dataReferenceIndex||0,6),o(t,8,24),t.writeUInt16BE(e.width||0,24),t.writeUInt16BE(e.height||0,26),t.writeUInt32BE(e.hResolution||4718592,28),t.writeUInt32BE(e.vResolution||4718592,32),o(t,36,40),t.writeUInt16BE(e.frameCount||1,40);var i=e.compressorName||"",a=s(i.length,31);t.writeUInt8(a,42),t.write(i,43,a,"utf8"),t.writeUInt16BE(e.depth||24,74),t.writeInt16BE(-1,76);var d=78,l=e.children||[];l.forEach(function(e){b.encode(e,t,d),d+=b.encode.bytes}),n.VisualSampleEntry.encode.bytes=d},n.VisualSampleEntry.decode=function(e,t,n){e=e.slice(t);for(var r=n-t,o=s(e.readUInt8(42),31),i={dataReferenceIndex:e.readUInt16BE(6),width:e.readUInt16BE(24),height:e.readUInt16BE(26),hResolution:e.readUInt32BE(28),vResolution:e.readUInt32BE(32),frameCount:e.readUInt16BE(40),compressorName:e.toString("utf8",43,43+o),depth:e.readUInt16BE(74),children:[]},a=78;8<=r-a;){var d=b.decode(e,a,r);i.children.push(d),i[d.type]=d,a+=d.length}return i},n.VisualSampleEntry.encodingLength=function(e){var t=78,n=e.children||[];return n.forEach(function(e){t+=b.encodingLength(e)}),t},n.avcC={},n.avcC.encode=function(e,t,r){t=t?t.slice(r):w(e.buffer.length),e.buffer.copy(t),n.avcC.encode.bytes=e.buffer.length},n.avcC.decode=function(e,t,n){return e=e.slice(t,n),{mimeCodec:e.toString("hex",1,4),buffer:k(e)}},n.avcC.encodingLength=function(e){return e.buffer.length},n.mp4a=n.AudioSampleEntry={},n.AudioSampleEntry.encode=function(e,t,r){t=t?t.slice(r):w(n.AudioSampleEntry.encodingLength(e)),o(t,0,6),t.writeUInt16BE(e.dataReferenceIndex||0,6),o(t,8,16),t.writeUInt16BE(e.channelCount||2,16),t.writeUInt16BE(e.sampleSize||16,18),o(t,20,24),t.writeUInt32BE(e.sampleRate||0,24);var i=28,a=e.children||[];a.forEach(function(e){b.encode(e,t,i),i+=b.encode.bytes}),n.AudioSampleEntry.encode.bytes=i},n.AudioSampleEntry.decode=function(e,t,n){e=e.slice(t,n);for(var r=n-t,o={dataReferenceIndex:e.readUInt16BE(6),channelCount:e.readUInt16BE(16),sampleSize:e.readUInt16BE(18),sampleRate:e.readUInt32BE(24),children:[]},i=28;8<=r-i;){var a=b.decode(e,i,r);o.children.push(a),o[a.type]=a,i+=a.length}return o},n.AudioSampleEntry.encodingLength=function(e){var t=28,n=e.children||[];return n.forEach(function(e){t+=b.encodingLength(e)}),t},n.esds={},n.esds.encode=function(e,t,r){t=t?t.slice(r):w(e.buffer.length),e.buffer.copy(t,0),n.esds.encode.bytes=e.buffer.length},n.esds.decode=function(e,t,n){e=e.slice(t,n);var r=y.Descriptor.decode(e,0,e.length),o="ESDescriptor"===r.tagName?r:{},i=o.DecoderConfigDescriptor||{},a=i.oti||0,s=i.DecoderSpecificInfo,d=s?(248&s.buffer.readUInt8(0))>>3:0,l=null;return a&&(l=a.toString(16),d&&(l+="."+d)),{mimeCodec:l,buffer:k(e.slice(0))}},n.esds.encodingLength=function(e){return e.buffer.length},n.stsz={},n.stsz.encode=function(e,t,r){var o=e.entries||[];t=t?t.slice(r):w(n.stsz.encodingLength(e)),t.writeUInt32BE(0,0),t.writeUInt32BE(o.length,4);for(var a=0;a<o.length;a++)t.writeUInt32BE(o[a],4*a+8);return n.stsz.encode.bytes=8+4*o.length,t},n.stsz.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=e.readUInt32BE(4),o=Array(r),a=0;a<r;a++)o[a]=0===n?e.readUInt32BE(4*a+8):n;return{entries:o}},n.stsz.encodingLength=function(e){return 8+4*e.entries.length},n.stss=n.stco={},n.stco.encode=function(e,t,r){var o=e.entries||[];t=t?t.slice(r):w(n.stco.encodingLength(e)),t.writeUInt32BE(o.length,0);for(var a=0;a<o.length;a++)t.writeUInt32BE(o[a],4*a+4);return n.stco.encode.bytes=4+4*o.length,t},n.stco.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=Array(n),o=0;o<n;o++)r[o]=e.readUInt32BE(4*o+4);return{entries:r}},n.stco.encodingLength=function(e){return 4+4*e.entries.length},n.co64={},n.co64.encode=function(e,t,r){var o=e.entries||[];t=t?t.slice(r):w(n.co64.encodingLength(e)),t.writeUInt32BE(o.length,0);for(var a=0;a<o.length;a++)x.encode(o[a],t,8*a+4);return n.co64.encode.bytes=4+8*o.length,t},n.co64.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=Array(n),o=0;o<n;o++)r[o]=x.decode(e,8*o+4);return{entries:r}},n.co64.encodingLength=function(e){return 4+8*e.entries.length},n.stts={},n.stts.encode=function(e,t,r){var o=e.entries||[];t=t?t.slice(r):w(n.stts.encodingLength(e)),t.writeUInt32BE(o.length,0);for(var a=0,s;a<o.length;a++)s=8*a+4,t.writeUInt32BE(o[a].count||0,s),t.writeUInt32BE(o[a].duration||0,s+4);return n.stts.encode.bytes=4+8*e.entries.length,t},n.stts.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=Array(n),o=0,a;o<n;o++)a=8*o+4,r[o]={count:e.readUInt32BE(a),duration:e.readUInt32BE(a+4)};return{entries:r}},n.stts.encodingLength=function(e){return 4+8*e.entries.length},n.ctts={},n.ctts.encode=function(e,t,r){var o=e.entries||[];t=t?t.slice(r):w(n.ctts.encodingLength(e)),t.writeUInt32BE(o.length,0);for(var a=0,s;a<o.length;a++)s=8*a+4,t.writeUInt32BE(o[a].count||0,s),t.writeUInt32BE(o[a].compositionOffset||0,s+4);return n.ctts.encode.bytes=4+8*o.length,t},n.ctts.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=Array(n),o=0,a;o<n;o++)a=8*o+4,r[o]={count:e.readUInt32BE(a),compositionOffset:e.readInt32BE(a+4)};return{entries:r}},n.ctts.encodingLength=function(e){return 4+8*e.entries.length},n.stsc={},n.stsc.encode=function(e,t,r){var o=e.entries||[];t=t?t.slice(r):w(n.stsc.encodingLength(e)),t.writeUInt32BE(o.length,0);for(var a=0,s;a<o.length;a++)s=12*a+4,t.writeUInt32BE(o[a].firstChunk||0,s),t.writeUInt32BE(o[a].samplesPerChunk||0,s+4),t.writeUInt32BE(o[a].sampleDescriptionId||0,s+8);return n.stsc.encode.bytes=4+12*o.length,t},n.stsc.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=Array(n),o=0,a;o<n;o++)a=12*o+4,r[o]={firstChunk:e.readUInt32BE(a),samplesPerChunk:e.readUInt32BE(a+4),sampleDescriptionId:e.readUInt32BE(a+8)};return{entries:r}},n.stsc.encodingLength=function(e){return 4+12*e.entries.length},n.dref={},n.dref.encode=function(e,t,r){t=t?t.slice(r):w(n.dref.encodingLength(e));var o=e.entries||[];t.writeUInt32BE(o.length,0);for(var a=4,s=0;s<o.length;s++){var d=o[s],l=(d.buf?d.buf.length:0)+4+4;t.writeUInt32BE(l,a),a+=4,t.write(d.type,a,4,"ascii"),a+=4,d.buf&&(d.buf.copy(t,a),a+=d.buf.length)}return n.dref.encode.bytes=a,t},n.dref.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=Array(n),o=4,a=0;a<n;a++){var s=e.readUInt32BE(o),d=e.toString("ascii",o+4,o+8),l=e.slice(o+8,o+s);o+=s,r[a]={type:d,buf:l}}return{entries:r}},n.dref.encodingLength=function(e){var t=4;if(!e.entries)return t;for(var n=0,r;n<e.entries.length;n++)r=e.entries[n].buf,t+=(r?r.length:0)+4+4;return t},n.elst={},n.elst.encode=function(e,t,r){var o=e.entries||[];t=t?t.slice(r):w(n.elst.encodingLength(e)),t.writeUInt32BE(o.length,0);for(var a=0,s;a<o.length;a++)s=12*a+4,t.writeUInt32BE(o[a].trackDuration||0,s),t.writeUInt32BE(o[a].mediaTime||0,s+4),d(o[a].mediaRate||0,t,s+8);return n.elst.encode.bytes=4+12*o.length,t},n.elst.decode=function(e,t){e=e.slice(t);for(var n=e.readUInt32BE(0),r=Array(n),o=0,a;o<n;o++)a=12*o+4,r[o]={trackDuration:e.readUInt32BE(a),mediaTime:e.readInt32BE(a+4),mediaRate:m(e,a+8)};return{entries:r}},n.elst.encodingLength=function(e){return 4+12*e.entries.length},n.hdlr={},n.hdlr.encode=function(e,t,r){t=t?t.slice(r):w(n.hdlr.encodingLength(e));var o=21+(e.name||"").length;return t.fill(0,0,o),t.write(e.handlerType||"",4,4,"ascii"),u(e.name||"",t,20),n.hdlr.encode.bytes=o,t},n.hdlr.decode=function(e,t,n){return e=e.slice(t),{handlerType:e.toString("ascii",4,8),name:_(e,20,n)}},n.hdlr.encodingLength=function(e){return 21+(e.name||"").length},n.mehd={},n.mehd.encode=function(e,t,r){return t=t?t.slice(r):w(4),t.writeUInt32BE(e.fragmentDuration||0,0),n.mehd.encode.bytes=4,t},n.mehd.decode=function(e,t){return e=e.slice(t),{fragmentDuration:e.readUInt32BE(0)}},n.mehd.encodingLength=function(){return 4},n.trex={},n.trex.encode=function(e,t,r){return t=t?t.slice(r):w(20),t.writeUInt32BE(e.trackId||0,0),t.writeUInt32BE(e.defaultSampleDescriptionIndex||0,4),t.writeUInt32BE(e.defaultSampleDuration||0,8),t.writeUInt32BE(e.defaultSampleSize||0,12),t.writeUInt32BE(e.defaultSampleFlags||0,16),n.trex.encode.bytes=20,t},n.trex.decode=function(e,t){return e=e.slice(t),{trackId:e.readUInt32BE(0),defaultSampleDescriptionIndex:e.readUInt32BE(4),defaultSampleDuration:e.readUInt32BE(8),defaultSampleSize:e.readUInt32BE(12),defaultSampleFlags:e.readUInt32BE(16)}},n.trex.encodingLength=function(){return 20},n.mfhd={},n.mfhd.encode=function(e,t,r){return t=t?t.slice(r):w(4),t.writeUInt32BE(e.sequenceNumber||0,0),n.mfhd.encode.bytes=4,t},n.mfhd.decode=function(e){return{sequenceNumber:e.readUInt32BE(0)}},n.mfhd.encodingLength=function(){return 4},n.tfhd={},n.tfhd.encode=function(e,t,r){return t=t?t.slice(r):w(4),t.writeUInt32BE(e.trackId,0),n.tfhd.encode.bytes=4,t},n.tfhd.decode=function(){},n.tfhd.encodingLength=function(){return 4},n.tfdt={},n.tfdt.encode=function(e,t,r){return t=t?t.slice(r):w(4),t.writeUInt32BE(e.baseMediaDecodeTime||0,0),n.tfdt.encode.bytes=4,t},n.tfdt.decode=function(){},n.tfdt.encodingLength=function(){return 4},n.trun={},n.trun.encode=function(e,t,r){t=t?t.slice(r):w(8+16*e.entries.length),t.writeUInt32BE(e.entries.length,0),t.writeInt32BE(e.dataOffset,4);for(var o=8,a=0,s;a<e.entries.length;a++)s=e.entries[a],t.writeUInt32BE(s.sampleDuration,o),o+=4,t.writeUInt32BE(s.sampleSize,o),o+=4,t.writeUInt32BE(s.sampleFlags,o),o+=4,0===(e.version||0)?t.writeUInt32BE(s.sampleCompositionTimeOffset,o):t.writeInt32BE(s.sampleCompositionTimeOffset,o),o+=4;n.trun.encode.bytes=o},n.trun.decode=function(){},n.trun.encodingLength=function(e){return 8+16*e.entries.length},n.mdat={},n.mdat.encode=function(e,t,r){e.buffer?(e.buffer.copy(t,r),n.mdat.encode.bytes=e.buffer.length):n.mdat.encode.bytes=n.mdat.encodingLength(e)},n.mdat.decode=function(e,t,n){return{buffer:k(e.slice(t,n))}},n.mdat.encodingLength=function(e){return e.buffer?e.buffer.length:e.contentLength}},{"./descriptor":100,"./index":101,"buffer-alloc":45,"buffer-from":47,uint64be:217}],100:[function(e,t,n){var r=e("buffer-from"),o={3:"ESDescriptor",4:"DecoderConfigDescriptor",5:"DecoderSpecificInfo",6:"SLConfigDescriptor"};n.Descriptor={},n.Descriptor.decode=function(e,t,i){var a=e.readUInt8(t),s=t+1,d=0,l;do l=e.readUInt8(s++),d=d<<7|127&l;while(128&l);var c=o[a],u;return u=n[c]?n[c].decode(e,s,i):{buffer:r(e.slice(s,s+d))},u.tag=a,u.tagName=c,u.length=s-t+d,u.contentsLen=d,u},n.DescriptorArray={},n.DescriptorArray.decode=function(e,t,r){for(var i=t,a={};i+2<=r;){var s=n.Descriptor.decode(e,i,r);i+=s.length;var d=o[s.tag]||"Descriptor"+s.tag;a[d]=s}return a},n.ESDescriptor={},n.ESDescriptor.decode=function(e,t,r){var o=e.readUInt8(t+2),i=t+3;if(128&o&&(i+=2),64&o){var a=e.readUInt8(i);i+=a+1}return 32&o&&(i+=2),n.DescriptorArray.decode(e,i,r)},n.DecoderConfigDescriptor={},n.DecoderConfigDescriptor.decode=function(e,t,r){var o=e.readUInt8(t),i=n.DescriptorArray.decode(e,t+13,r);return i.oti=o,i}},{"buffer-from":47}],101:[function(e,t,n){var r=e("uint64be"),o=e("buffer-alloc"),i=e("buffer-from"),a=e("./boxes"),s=4294967295,d=n,l=n.containers={moov:["mvhd","meta","traks","mvex"],trak:["tkhd","tref","trgr","edts","meta","mdia","udta"],edts:["elst"],mdia:["mdhd","hdlr","elng","minf"],minf:["vmhd","smhd","hmhd","sthd","nmhd","dinf","stbl"],dinf:["dref"],stbl:["stsd","stts","ctts","cslg","stsc","stsz","stz2","stco","co64","stss","stsh","padb","stdp","sdtp","sbgps","sgpds","subss","saizs","saios"],mvex:["mehd","trexs","leva"],moof:["mfhd","meta","trafs"],traf:["tfhd","tfdt","trun","sbgps","sgpds","subss","saizs","saios","meta"]};d.encode=function(e,t,n){return d.encodingLength(e),n=n||0,t=t||o(e.length),d._encode(e,t,n)},d._encode=function(e,t,n){var o=e.type,i=e.length;i>s&&(i=1),t.writeUInt32BE(i,n),t.write(e.type,n+4,4,"ascii");var c=n+8;if(1===i&&(r.encode(e.length,t,c),c+=8),a.fullBoxes[o]&&(t.writeUInt32BE(e.flags||0,c),t.writeUInt8(e.version||0,c),c+=4),l[o]){var u=l[o];u.forEach(function(n){if(5===n.length){var r=e[n]||[];n=n.substr(0,4),r.forEach(function(e){d._encode(e,t,c),c+=d.encode.bytes})}else e[n]&&(d._encode(e[n],t,c),c+=d.encode.bytes)}),e.otherBoxes&&e.otherBoxes.forEach(function(e){d._encode(e,t,c),c+=d.encode.bytes})}else if(a[o]){var p=a[o].encode;p(e,t,c),c+=p.bytes}else if(e.buffer){var f=e.buffer;f.copy(t,c),c+=e.buffer.length}else throw new Error("Either `type` must be set to a known type (not'"+o+"') or `buffer` must be set");return d.encode.bytes=c-n,t},d.readHeaders=function(e,t,n){if(t=t||0,n=n||e.length,8>n-t)return 8;var o=e.readUInt32BE(t),i=e.toString("ascii",t+4,t+8),s=t+8;if(1===o){if(16>n-t)return 16;o=r.decode(e,s),s+=8}var d,l;return a.fullBoxes[i]&&(d=e.readUInt8(s),l=16777215&e.readUInt32BE(s),s+=4),{length:o,headersLen:s-t,contentLen:o-(s-t),type:i,version:d,flags:l}},d.decode=function(e,t,n){t=t||0,n=n||e.length;var r=d.readHeaders(e,t,n);if(!r||r.length>n-t)throw new Error("Data too short");return d.decodeWithoutHeaders(r,e,t+r.headersLen,t+r.length)},d.decodeWithoutHeaders=function(e,t,n,r){n=n||0,r=r||t.length;var o=e.type,s={};if(l[o]){s.otherBoxes=[];for(var c=l[o],u=n,p;8<=r-u;)if(p=d.decode(t,u,r),u+=p.length,0<=c.indexOf(p.type))s[p.type]=p;else if(0<=c.indexOf(p.type+"s")){var f=p.type+"s",h=s[f]=s[f]||[];h.push(p)}else s.otherBoxes.push(p)}else if(a[o]){var m=a[o].decode;s=m(t,n,r)}else s.buffer=i(t.slice(n,r));return s.length=e.length,s.contentLen=e.contentLen,s.type=e.type,s.version=e.version,s.flags=e.flags,s},d.encodingLength=function(e){var t=e.type,n=8;if(a.fullBoxes[t]&&(n+=4),l[t]){var r=l[t];r.forEach(function(t){if(5===t.length){var r=e[t]||[];t=t.substr(0,4),r.forEach(function(e){e.type=t,n+=d.encodingLength(e)})}else if(e[t]){var o=e[t];o.type=t,n+=d.encodingLength(o)}}),e.otherBoxes&&e.otherBoxes.forEach(function(e){n+=d.encodingLength(e)})}else if(a[t])n+=a[t].encodingLength(e);else if(e.buffer)n+=e.buffer.length;else throw new Error("Either `type` must be set to a known type (not'"+t+"') or `buffer` must be set");return n>s&&(n+=8),e.length=n,n}},{"./boxes":99,"buffer-alloc":45,"buffer-from":47,uint64be:217}],102:[function(e,t){(function(n){function r(){return this instanceof r?void(i.Writable.call(this),this.destroyed=!1,this._pending=0,this._missing=0,this._buf=null,this._str=null,this._cb=null,this._ondrain=null,this._writeBuffer=null,this._writeCb=null,this._ondrain=null,this._kick()):new r}function o(e){this._parent=e,this.destroyed=!1,i.PassThrough.call(this)}var i=e("readable-stream"),a=e("inherits"),s=e("next-event"),d=e("mp4-box-encoding"),l=e("buffer-alloc"),c=l(0);t.exports=r,a(r,i.Writable),r.prototype.destroy=function(e){this.destroyed||(this.destroyed=!0,e&&this.emit("error",e),this.emit("close"))},r.prototype._write=function(e,t,n){if(!this.destroyed){for(var r=!this._str||!this._str._writableState.needDrain;e.length&&!this.destroyed;){if(!this._missing)return this._writeBuffer=e,void(this._writeCb=n);var o=e.length<this._missing?e.length:this._missing;if(this._buf?e.copy(this._buf,this._buf.length-this._missing):this._str&&(r=this._str.write(o===e.length?e:e.slice(0,o))),this._missing-=o,!this._missing){var i=this._buf,a=this._cb,s=this._str;this._buf=this._cb=this._str=this._ondrain=null,r=!0,s&&s.end(),a&&a(i)}e=o===e.length?c:e.slice(o)}return this._pending&&!this._missing?(this._writeBuffer=e,void(this._writeCb=n)):void(r?n():this._ondrain(n))}},r.prototype._buffer=function(e,t){this._missing=e,this._buf=l(e),this._cb=t},r.prototype._stream=function(e,t){var n=this;return this._missing=e,this._str=new o(this),this._ondrain=s(this._str,"drain"),this._pending++,this._str.on("end",function(){n._pending--,n._kick()}),this._cb=t,this._str},r.prototype._readBox=function(){function e(r,o){t._buffer(r,function(r){o=o?n.concat([o,r]):r;var i=d.readHeaders(o);"number"==typeof i?e(i-o.length,o):(t._pending++,t._headers=i,t.emit("box",i))})}var t=this;e(8)},r.prototype.stream=function(){var e=this;if(!e._headers)throw new Error("this function can only be called once after 'box' is emitted");var t=e._headers;return e._headers=null,e._stream(t.contentLen,null)},r.prototype.decode=function(e){var t=this;if(!t._headers)throw new Error("this function can only be called once after 'box' is emitted");var n=t._headers;t._headers=null,t._buffer(n.contentLen,function(r){var o=d.decodeWithoutHeaders(n,r);e(o),t._pending--,t._kick()})},r.prototype.ignore=function(){var e=this;if(!e._headers)throw new Error("this function can only be called once after 'box' is emitted");var t=e._headers;e._headers=null,this._missing=t.contentLen,this._cb=function(){e._pending--,e._kick()}},r.prototype._kick=function(){if(!this._pending&&(this._buf||this._str||this._readBox(),this._writeBuffer)){var e=this._writeCb,t=this._writeBuffer;this._writeBuffer=null,this._writeCb=null,this._write(t,null,e)}},a(o,i.PassThrough),o.prototype.destroy=function(e){this.destroyed||(this.destroyed=!0,this._parent.destroy(e),e&&this.emit("error",e),this.emit("close"))}}).call(this,e("buffer").Buffer)},{buffer:41,"buffer-alloc":45,inherits:80,"mp4-box-encoding":101,"next-event":125,"readable-stream":113}],103:[function(e,t){(function(n){function r(){}function o(){if(!(this instanceof o))return new o;a.Readable.call(this),this.destroyed=!1,this._reading=!1,this._stream=null,this._drain=null,this._want=!1,this._onreadable=function(){e._want&&(e._want=!1,e._read())},this._onend=function(){e._stream=null};var e=this}function i(e){this._parent=e,this.destroyed=!1,a.PassThrough.call(this)}var a=e("readable-stream"),s=e("inherits"),d=e("mp4-box-encoding"),l=e("buffer-alloc");t.exports=o,s(o,a.Readable),o.prototype.mediaData=o.prototype.mdat=function(e,t){var n=new i(this);return this.box({type:"mdat",contentLength:e,encodeBufferLen:8,stream:n},t),n},o.prototype.box=function(e,t){if(t||(t=r),this.destroyed)return t(new Error("Encoder is destroyed"));var o;if(e.encodeBufferLen&&(o=l(e.encodeBufferLen)),e.stream)e.buffer=null,o=d.encode(e,o),this.push(o),this._stream=e.stream,this._stream.on("readable",this._onreadable),this._stream.on("end",this._onend),this._stream.on("end",t),this._forward();else{o=d.encode(e,o);var i=this.push(o);if(i)return n.nextTick(t);this._drain=t}},o.prototype.destroy=function(e){if(!this.destroyed){if(this.destroyed=!0,this._stream&&this._stream.destroy&&this._stream.destroy(),this._stream=null,this._drain){var t=this._drain;this._drain=null,t(e)}e&&this.emit("error",e),this.emit("close")}},o.prototype.finalize=function(){this.push(null)},o.prototype._forward=function(){if(this._stream)for(;!this.destroyed;){var e=this._stream.read();if(!e)return void(this._want=!!this._stream);if(!this.push(e))return}},o.prototype._read=function(){if(!(this._reading||this.destroyed)){if(this._reading=!0,this._stream&&this._forward(),this._drain){var e=this._drain;this._drain=null,e()}this._reading=!1}},s(i,a.PassThrough),i.prototype.destroy=function(e){this.destroyed||(this.destroyed=!0,this._parent.destroy(e),e&&this.emit("error",e),this.emit("close"))}}).call(this,e("_process"))},{_process:132,"buffer-alloc":45,inherits:80,"mp4-box-encoding":101,"readable-stream":113}],104:[function(e,t,n){n.decode=e("./decode"),n.encode=e("./encode")},{"./decode":102,"./encode":103}],105:[function(e,t,n){arguments[4][15][0].apply(n,arguments)},{"./_stream_readable":107,"./_stream_writable":109,"core-util-is":60,dup:15,inherits:80,"process-nextick-args":131}],106:[function(e,t,n){arguments[4][16][0].apply(n,arguments)},{"./_stream_transform":108,"core-util-is":60,dup:16,inherits:80}],107:[function(e,t,n){arguments[4][17][0].apply(n,arguments)},{"./_stream_duplex":105,"./internal/streams/BufferList":110,"./internal/streams/destroy":111,"./internal/streams/stream":112,_process:132,"core-util-is":60,dup:17,events:42,inherits:80,isarray:85,"process-nextick-args":131,"safe-buffer":168,"string_decoder/":209,util:39}],108:[function(e,t,n){arguments[4][18][0].apply(n,arguments)},{"./_stream_duplex":105,"core-util-is":60,dup:18,inherits:80}],109:[function(e,t,n){arguments[4][19][0].apply(n,arguments)},{"./_stream_duplex":105,"./internal/streams/destroy":111,"./internal/streams/stream":112,_process:132,"core-util-is":60,dup:19,inherits:80,"process-nextick-args":131,"safe-buffer":168,timers:212,"util-deprecate":223}],110:[function(e,t,n){arguments[4][20][0].apply(n,arguments)},{dup:20,"safe-buffer":168,util:39}],111:[function(e,t,n){arguments[4][21][0].apply(n,arguments)},{dup:21,"process-nextick-args":131}],112:[function(e,t,n){arguments[4][22][0].apply(n,arguments)},{dup:22,events:42}],113:[function(e,t,n){arguments[4][23][0].apply(n,arguments)},{"./lib/_stream_duplex.js":105,"./lib/_stream_passthrough.js":106,"./lib/_stream_readable.js":107,"./lib/_stream_transform.js":108,"./lib/_stream_writable.js":109,dup:23}],114:[function(e,t){function n(e){if(e+="",!(100<e.length)){var t=/^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(e);if(t){var r=parseFloat(t[1]),n=(t[2]||"ms").toLowerCase();return"years"===n||"year"===n||"yrs"===n||"yr"===n||"y"===n?31557600000*r:"days"===n||"day"===n||"d"===n?86400000*r:"hours"===n||"hour"===n||"hrs"===n||"hr"===n||"h"===n?3600000*r:"minutes"===n||"minute"===n||"mins"===n||"min"===n||"m"===n?60000*r:"seconds"===n||"second"===n||"secs"===n||"sec"===n||"s"===n?1000*r:"milliseconds"===n||"millisecond"===n||"msecs"===n||"msec"===n||"ms"===n?r:void 0}}}function i(e){var t=Math.round;return 86400000<=e?t(e/86400000)+"d":3600000<=e?t(e/3600000)+"h":60000<=e?t(e/60000)+"m":1000<=e?t(e/1000)+"s":e+"ms"}function a(e){return s(e,86400000,"day")||s(e,3600000,"hour")||s(e,60000,"minute")||s(e,1000,"second")||e+" ms"}function s(e,t,n){return e<t?void 0:e<1.5*t?r(e/t)+" "+n:o(e/t)+" "+n+"s"}t.exports=function(e,t){t=t||{};var r=typeof e;if("string"==r&&0<e.length)return n(e);if("number"==r&&!1===isNaN(e))return t.long?a(e):i(e);throw new Error("val is not a non-empty string or a valid number. val="+JSON.stringify(e))}},{}],115:[function(e,t){function n(e,t){var i=this;return i instanceof n?void(d.Readable.call(i,t),i.destroyed=!1,i._drained=!1,i._forwarding=!1,i._current=null,i._toStreams2=t&&t.objectMode?r:o,"function"==typeof e?i._queue=e:(i._queue=e.map(i._toStreams2),i._queue.forEach(function(e){"function"!=typeof e&&i._attachErrorListener(e)})),i._next()):new n(e,t)}function r(e){return i(e,{objectMode:!0,highWaterMark:16})}function o(e){return i(e)}function i(e,t){if(!e||"function"==typeof e||e._readableState)return e;var n=new d.Readable(t).wrap(e);return e.destroy&&(n.destroy=e.destroy.bind(e)),n}t.exports=n;var a=e("inherits"),d=e("readable-stream");a(n,d.Readable),n.obj=function(e){return new n(e,{objectMode:!0,highWaterMark:16})},n.prototype._read=function(){this._drained=!0,this._forward()},n.prototype._forward=function(){if(!this._forwarding&&this._drained&&this._current){this._forwarding=!0;for(var e;null!==(e=this._current.read());)this._drained=this.push(e);this._forwarding=!1}},n.prototype.destroy=function(e){this.destroyed||(this.destroyed=!0,this._current&&this._current.destroy&&this._current.destroy(),"function"!=typeof this._queue&&this._queue.forEach(function(e){e.destroy&&e.destroy()}),e&&this.emit("error",e),this.emit("close"))},n.prototype._next=function(){var e=this;if(e._current=null,"function"==typeof e._queue)e._queue(function(t,n){return t?e.destroy(t):void(n=e._toStreams2(n),e._attachErrorListener(n),e._gotNextStream(n))});else{var t=e._queue.shift();"function"==typeof t&&(t=e._toStreams2(t()),e._attachErrorListener(t)),e._gotNextStream(t)}},n.prototype._gotNextStream=function(e){function t(){o._forward()}function n(){e._readableState.ended||o.destroy()}function r(){o._current=null,e.removeListener("readable",t),e.removeListener("end",r),e.removeListener("close",n),o._next()}var o=this;return e?void(o._current=e,o._forward(),e.on("readable",t),e.once("end",r),e.once("close",n)):(o.push(null),void o.destroy())},n.prototype._attachErrorListener=function(e){function t(r){e.removeListener("error",t),n.destroy(r)}var n=this;e&&e.once("error",t)}},{inherits:80,"readable-stream":124}],116:[function(e,t,n){arguments[4][15][0].apply(n,arguments)},{"./_stream_readable":118,"./_stream_writable":120,"core-util-is":60,dup:15,inherits:80,"process-nextick-args":131}],117:[function(e,t,n){arguments[4][16][0].apply(n,arguments)},{"./_stream_transform":119,"core-util-is":60,dup:16,inherits:80}],118:[function(e,t,n){arguments[4][17][0].apply(n,arguments)},{"./_stream_duplex":116,"./internal/streams/BufferList":121,"./internal/streams/destroy":122,"./internal/streams/stream":123,_process:132,"core-util-is":60,dup:17,events:42,inherits:80,isarray:85,"process-nextick-args":131,"safe-buffer":168,"string_decoder/":209,util:39}],119:[function(e,t,n){arguments[4][18][0].apply(n,arguments)},{"./_stream_duplex":116,"core-util-is":60,dup:18,inherits:80}],120:[function(e,t,n){arguments[4][19][0].apply(n,arguments)},{"./_stream_duplex":116,"./internal/streams/destroy":122,"./internal/streams/stream":123,_process:132,"core-util-is":60,dup:19,inherits:80,"process-nextick-args":131,"safe-buffer":168,timers:212,"util-deprecate":223}],121:[function(e,t,n){arguments[4][20][0].apply(n,arguments)},{dup:20,"safe-buffer":168,util:39}],122:[function(e,t,n){arguments[4][21][0].apply(n,arguments)},{dup:21,"process-nextick-args":131}],123:[function(e,t,n){arguments[4][22][0].apply(n,arguments)},{dup:22,events:42}],124:[function(e,t,n){arguments[4][23][0].apply(n,arguments)},{"./lib/_stream_duplex.js":116,"./lib/_stream_passthrough.js":117,"./lib/_stream_readable.js":118,"./lib/_stream_transform.js":119,"./lib/_stream_writable.js":120,dup:23}],125:[function(e,t){t.exports=function(e,t){var n=null;return e.on(t,function(e){if(n){var t=n;n=null,t(e)}}),function(e){n=e}}},{}],126:[function(e,t){function n(e){var t=function(){return t.called?t.value:(t.called=!0,t.value=e.apply(this,arguments))};return t.called=!1,t}function r(e){var t=function(){if(t.called)throw new Error(t.onceError);return t.called=!0,t.value=e.apply(this,arguments)},n=e.name||"Function wrapped with `once`";return t.onceError=n+" shouldn't be called more than once",t.called=!1,t}var o=e("wrappy");t.exports=o(n),t.exports.strict=o(r),n.proto=n(function(){Object.defineProperty(Function.prototype,"once",{value:function(){return n(this)},configurable:!0}),Object.defineProperty(Function.prototype,"onceStrict",{value:function(){return r(this)},configurable:!0})})},{wrappy:226}],127:[function(e,t){function n(e){if(/^-?\d+$/.test(e))return parseInt(e,10);var t;if(t=e.match(/^(-?\d+)(-|\.\.\.?|\u2025|\u2026|\u22EF)(-?\d+)$/)){var n=t[1],r=t[2],o=t[3];if(n&&o){n=parseInt(n),o=parseInt(o);var a=[],s=n<o?1:-1;("-"==r||".."==r||"\u2025"==r)&&(o+=s);for(var d=n;d!=o;d+=s)a.push(d);return a}}return[]}t.exports.parse=function(e){var t=e.split(","),r=t.map(function(e){return n(e)});return 0===r.length?[]:1===r.length?Array.isArray(r[0])?r[0]:r:r.reduce(function(e,t){return Array.isArray(e)||(e=[e]),Array.isArray(t)||(t=[t]),e.concat(t)})}},{}],128:[function(e,t){(function(n,r){function o(e){if("string"==typeof e&&/^(stream-)?magnet:/.test(e))return h(e);if("string"==typeof e&&(/^[a-f0-9]{40}$/i.test(e)||/^[a-z2-7]{32}$/i.test(e)))return h(`magnet:?xt=urn:btih:${e}`);if(r.isBuffer(e)&&20===e.length)return h(`magnet:?xt=urn:btih:${e.toString("hex")}`);if(r.isBuffer(e))return i(e);if(e&&e.infoHash)return e.infoHash=e.infoHash.toLowerCase(),e.announce||(e.announce=[]),"string"==typeof e.announce&&(e.announce=[e.announce]),e.urlList||(e.urlList=[]),e;throw new Error("Invalid torrent identifier")}function i(e){r.isBuffer(e)&&(e=c.decode(e)),l(e.info,"info"),l(e.info["name.utf-8"]||e.info.name,"info.name"),l(e.info["piece length"],"info['piece length']"),l(e.info.pieces,"info.pieces"),e.info.files?e.info.files.forEach(e=>{l("number"==typeof e.length,"info.files[0].length"),l(e["path.utf-8"]||e.path,"info.files[0].path")}):l("number"==typeof e.info.length,"info.length");const t={info:e.info,infoBuffer:c.encode(e.info),name:(e.info["name.utf-8"]||e.info.name).toString(),announce:[]};t.infoHash=g.sync(t.infoBuffer),t.infoHashBuffer=r.from(t.infoHash,"hex"),void 0!==e.info.private&&(t.private=!!e.info.private),e["creation date"]&&(t.created=new Date(1e3*e["creation date"])),e["created by"]&&(t.createdBy=e["created by"].toString()),r.isBuffer(e.comment)&&(t.comment=e.comment.toString()),Array.isArray(e["announce-list"])&&0<e["announce-list"].length?e["announce-list"].forEach(e=>{e.forEach(e=>{t.announce.push(e.toString())})}):e.announce&&t.announce.push(e.announce.toString()),r.isBuffer(e["url-list"])&&(e["url-list"]=0<e["url-list"].length?[e["url-list"]]:[]),t.urlList=(e["url-list"]||[]).map(e=>e.toString()),_(t.announce),_(t.urlList);const n=e.info.files||[e.info];t.files=n.map((e,r)=>{const o=[].concat(t.name,e["path.utf-8"]||e.path||[]).map(e=>e.toString());return{path:m.join.apply(null,[m.sep].concat(o)).slice(1),name:o[o.length-1],length:e.length,offset:n.slice(0,r).reduce(s,0)}}),t.length=n.reduce(s,0);const o=t.files[t.files.length-1];return t.pieceLength=e.info["piece length"],t.lastPieceLength=(o.offset+o.length)%t.pieceLength||t.pieceLength,t.pieces=d(e.info.pieces),t}function a(e){return"undefined"!=typeof Blob&&e instanceof Blob}function s(e,t){return e+t.length}function d(e){const t=[];for(let n=0;n<e.length;n+=20)t.push(e.slice(n,n+20).toString("hex"));return t}function l(e,t){if(!e)throw new Error(`Torrent is missing required field: ${t}`)}const c=e("bencode"),u=e("blob-to-buffer"),p=e("fs"),f=e("simple-get"),h=e("magnet-uri"),m=e("path"),g=e("simple-sha1"),_=e("uniq");t.exports=o,t.exports.remote=function(e,t){function r(e){try{i=o(e)}catch(e){return t(e)}i&&i.infoHash?t(null,i):t(new Error("Invalid torrent identifier"))}let i;if("function"!=typeof t)throw new Error("second argument must be a Function");try{i=o(e)}catch(e){}i&&i.infoHash?n.nextTick(()=>{t(null,i)}):a(e)?u(e,(e,n)=>e?t(new Error(`Error converting Blob: ${e.message}`)):void r(n)):"function"==typeof f&&/^https?:/.test(e)?f.concat({url:e,timeout:30000,headers:{"user-agent":"WebTorrent (https://webtorrent.io)"}},(e,n,o)=>e?t(new Error(`Error downloading torrent: ${e.message}`)):void r(o)):"function"==typeof p.readFile&&"string"==typeof e?p.readFile(e,(e,n)=>e?t(new Error("Invalid torrent identifier")):void r(n)):n.nextTick(()=>{t(new Error("Invalid torrent identifier"))})},t.exports.toMagnetURI=h.encode,t.exports.toTorrentFile=function(e){const t={info:e.info};return t["announce-list"]=(e.announce||[]).map(e=>(t.announce||(t.announce=e),e=r.from(e,"utf8"),[e])),t["url-list"]=e.urlList||[],void 0!==e.private&&(t["private"]=+e.private),e.created&&(t["creation date"]=0|e.created.getTime()/1e3),e.createdBy&&(t["created by"]=e.createdBy),e.comment&&(t.comment=e.comment),c.encode(t)};(()=>{r.alloc(0)})()}).call(this,e("_process"),e("buffer").Buffer)},{_process:132,bencode:11,"blob-to-buffer":28,buffer:41,fs:40,"magnet-uri":87,path:129,"simple-get":170,"simple-sha1":181,uniq:218}],129:[function(e,t,n){(function(e){function t(e,t){for(var n=0,r=e.length-1,o;0<=r;r--)o=e[r],"."===o?e.splice(r,1):".."===o?(e.splice(r,1),n++):n&&(e.splice(r,1),n--);if(t)for(;n--;n)e.unshift("..");return e}function r(e){"string"!=typeof e&&(e+="");var t=0,n=-1,r=!0,o;for(o=e.length-1;0<=o;--o)if(!(47===e.charCodeAt(o)))-1===n&&(r=!1,n=o+1);else if(!r){t=o+1;break}return-1===n?"":e.slice(t,n)}function o(e,t){if(e.filter)return e.filter(t);for(var n=[],r=0;r<e.length;r++)t(e[r],r,e)&&n.push(e[r]);return n}n.resolve=function(){for(var n="",r=!1,a=arguments.length-1,s;-1<=a&&!r;a--){if(s=0<=a?arguments[a]:e.cwd(),"string"!=typeof s)throw new TypeError("Arguments to path.resolve must be strings");else if(!s)continue;n=s+"/"+n,r="/"===s.charAt(0)}return n=t(o(n.split("/"),function(e){return!!e}),!r).join("/"),(r?"/":"")+n||"."},n.normalize=function(e){var r=n.isAbsolute(e),a="/"===i(e,-1);return e=t(o(e.split("/"),function(e){return!!e}),!r).join("/"),e||r||(e="."),e&&a&&(e+="/"),(r?"/":"")+e},n.isAbsolute=function(e){return"/"===e.charAt(0)},n.join=function(){var e=Array.prototype.slice.call(arguments,0);return n.normalize(o(e,function(e){if("string"!=typeof e)throw new TypeError("Arguments to path.join must be strings");return e}).join("/"))},n.relative=function(e,t){function r(e){for(var t=0;t<e.length&&""===e[t];t++);for(var n=e.length-1;0<=n&&""===e[n];n--);return t>n?[]:e.slice(t,n-t+1)}e=n.resolve(e).substr(1),t=n.resolve(t).substr(1);for(var o=r(e.split("/")),a=r(t.split("/")),d=s(o.length,a.length),l=d,c=0;c<d;c++)if(o[c]!==a[c]){l=c;break}for(var u=[],c=l;c<o.length;c++)u.push("..");return u=u.concat(a.slice(l)),u.join("/")},n.sep="/",n.delimiter=":",n.dirname=function(e){if("string"!=typeof e&&(e+=""),0===e.length)return".";for(var t=e.charCodeAt(0),n=47===t,r=-1,o=!0,a=e.length-1;1<=a;--a)if(t=e.charCodeAt(a),47!==t)o=!1;else if(!o){r=a;break}return-1===r?n?"/":".":n&&1===r?"/":e.slice(0,r)},n.basename=function(e,t){var n=r(e);return t&&n.substr(-1*t.length)===t&&(n=n.substr(0,n.length-t.length)),n},n.extname=function(e){"string"!=typeof e&&(e+="");for(var t=-1,n=0,r=-1,o=!0,a=0,s=e.length-1,d;0<=s;--s){if(d=e.charCodeAt(s),47===d){if(!o){n=s+1;break}continue}-1===r&&(o=!1,r=s+1),46===d?-1===t?t=s:1!==a&&(a=1):-1!==t&&(a=-1)}return-1===t||-1===r||0===a||1===a&&t===r-1&&t===n+1?"":e.slice(t,r)};var i=function(e,t,n){return e.substr(t,n)}}).call(this,e("_process"))},{_process:132}],130:[function(e,t){for(var r=e("closest-to"),o=1024,i=13,a=[];22>i++;)a.push(n(2,i));t.exports=function(e){return r(e/o,a)}},{"closest-to":59}],131:[function(e,t){(function(e){"use strict";t.exports=e.version&&0!==e.version.indexOf("v0.")&&(0!==e.version.indexOf("v1.")||0===e.version.indexOf("v1.8."))?e:{nextTick:function(t,n,r,o){if("function"!=typeof t)throw new TypeError("\"callback\" argument must be a function");var a=arguments.length,s,d;switch(a){case 0:case 1:return e.nextTick(t);case 2:return e.nextTick(function(){t.call(null,n)});case 3:return e.nextTick(function(){t.call(null,n,r)});case 4:return e.nextTick(function(){t.call(null,n,r,o)});default:for(s=Array(a-1),d=0;d<s.length;)s[d++]=arguments[d];return e.nextTick(function(){t.apply(null,s)});}}}}).call(this,e("_process"))},{_process:132}],132:[function(e,t){function n(){throw new Error("setTimeout has not been defined")}function r(){throw new Error("clearTimeout has not been defined")}function o(t){if(u===setTimeout)return setTimeout(t,0);if((u===n||!u)&&setTimeout)return u=setTimeout,setTimeout(t,0);try{return u(t,0)}catch(n){try{return u.call(null,t,0)}catch(n){return u.call(this,t,0)}}}function i(t){if(p===clearTimeout)return clearTimeout(t);if((p===r||!p)&&clearTimeout)return p=clearTimeout,clearTimeout(t);try{return p(t)}catch(n){try{return p.call(null,t)}catch(n){return p.call(this,t)}}}function a(){h&&g&&(h=!1,g.length?f=g.concat(f):m=-1,f.length&&s())}function s(){if(!h){var e=o(a);h=!0;for(var t=f.length;t;){for(g=f,f=[];++m<t;)g&&g[m].run();m=-1,t=f.length}g=null,h=!1,i(e)}}function d(e,t){this.fun=e,this.array=t}function l(){}var c=t.exports={},u,p;(function(){try{u="function"==typeof setTimeout?setTimeout:n}catch(t){u=n}try{p="function"==typeof clearTimeout?clearTimeout:r}catch(t){p=r}})();var f=[],h=!1,m=-1,g;c.nextTick=function(e){var t=Array(arguments.length-1);if(1<arguments.length)for(var n=1;n<arguments.length;n++)t[n-1]=arguments[n];f.push(new d(e,t)),1!==f.length||h||o(s)},d.prototype.run=function(){this.fun.apply(null,this.array)},c.title="browser",c.browser=!0,c.env={},c.argv=[],c.version="",c.versions={},c.on=l,c.addListener=l,c.once=l,c.off=l,c.removeListener=l,c.removeAllListeners=l,c.emit=l,c.prependListener=l,c.prependOnceListener=l,c.listeners=function(){return[]},c.binding=function(){throw new Error("process.binding is not supported")},c.cwd=function(){return"/"},c.chdir=function(){throw new Error("process.chdir is not supported")},c.umask=function(){return 0}},{}],133:[function(e,t){(function(n){var r=e("once"),o=e("end-of-stream"),i=e("fs"),a=function(){},s=/^v?\.0/.test(n.version),d=function(e){return"function"==typeof e},l=function(e){return!!s&&!!i&&(e instanceof(i.ReadStream||a)||e instanceof(i.WriteStream||a))&&d(e.close)},c=function(e){return e.setHeader&&d(e.abort)},u=function(e,t,n,i){i=r(i);var s=!1;e.on("close",function(){s=!0}),o(e,{readable:t,writable:n},function(e){return e?i(e):void(s=!0,i())});var u=!1;return function(t){if(!s)return u?void 0:(u=!0,l(e)?e.close(a):c(e)?e.abort():d(e.destroy)?e.destroy():void i(t||new Error("stream was destroyed")))}},p=function(e){e()},f=function(e,t){return e.pipe(t)};t.exports=function(){var e=Array.prototype.slice.call(arguments),t=d(e[e.length-1]||a)&&e.pop()||a;if(Array.isArray(e[0])&&(e=e[0]),2>e.length)throw new Error("pump requires two streams per minimum");var n=e.map(function(o,a){var i=a<e.length-1;return u(o,i,0<a,function(e){r||(r=e),e&&n.forEach(p),i||(n.forEach(p),t(r))})}),r;return e.reduce(f)}}).call(this,e("_process"))},{_process:132,"end-of-stream":65,fs:39,once:126}],134:[function(t,n,o){(function(t){(function(a){function s(e){throw new RangeError(S[e])}function d(e,t){for(var n=e.length,r=[];n--;)r[n]=t(e[n]);return r}function l(e,t){var n=e.split("@"),r="";1<n.length&&(r=n[0]+"@",e=n[1]),e=e.replace(x,".");var o=e.split("."),i=d(o,t).join(".");return r+i}function c(e){for(var t=[],n=0,r=e.length,o,i;n<r;)o=e.charCodeAt(n++),55296<=o&&56319>=o&&n<r?(i=e.charCodeAt(n++),56320==(64512&i)?t.push(((1023&o)<<10)+(1023&i)+65536):(t.push(o),n--)):t.push(o);return t}function u(e){return d(e,function(e){var t="";return 65535<e&&(e-=65536,t+=E(55296|1023&e>>>10),e=56320|1023&e),t+=E(e),t}).join("")}function p(e){return 10>e-48?e-22:26>e-65?e-65:26>e-97?e-97:36}function f(e,t){return e+22+75*(26>e)-((0!=t)<<5)}function h(e,t,n){var r=0;for(e=n?v(e/700):e>>1,e+=v(e/t);455<e;r+=36)e=v(e/35);return v(r+36*e/(e+38))}function m(e){var r=[],o=e.length,a=0,d=128,l=72,c,f,m,g,_,b,y,x,S,E;for(f=e.lastIndexOf("-"),0>f&&(f=0),m=0;m<f;++m)128<=e.charCodeAt(m)&&s("not-basic"),r.push(e.charCodeAt(m));for(g=0<f?f+1:0;g<o;){for(_=a,b=1,y=36;;y+=36){if(g>=o&&s("invalid-input"),x=p(e.charCodeAt(g++)),(36<=x||x>v((2147483647-a)/b))&&s("overflow"),a+=x*b,S=y<=l?1:y>=l+26?26:y-l,x<S)break;E=36-S,b>v(2147483647/E)&&s("overflow"),b*=E}c=r.length+1,l=h(a-_,c,0==_),v(a/c)>2147483647-d&&s("overflow"),d+=v(a/c),a%=c,r.splice(a++,0,d)}return u(r)}function g(e){var r=[],o,i,a,d,l,u,p,g,_,b,y,w,x,S,C;for(e=c(e),w=e.length,o=128,i=0,l=72,u=0;u<w;++u)y=e[u],128>y&&r.push(E(y));for(a=d=r.length,d&&r.push("-");a<w;){for(p=2147483647,u=0;u<w;++u)y=e[u],y>=o&&y<p&&(p=y);for(x=a+1,p-o>v((2147483647-i)/x)&&s("overflow"),i+=(p-o)*x,o=p,u=0;u<w;++u)if(y=e[u],y<o&&2147483647<++i&&s("overflow"),y==o){for(g=i,_=36;;_+=36){if(b=_<=l?1:_>=l+26?26:_-l,g<b)break;C=g-b,S=36-b,r.push(E(f(b+C%S,0))),g=v(C/S)}r.push(E(f(g,0))),l=h(i,x,a==d),i=0,++a}++i,++o}return r.join("")}var _="object"==typeof o&&o&&!o.nodeType&&o,b="object"==typeof n&&n&&!n.nodeType&&n,y="object"==typeof t&&t;(y.global===y||y.window===y||y.self===y)&&(a=y);var w=/^xn--/,k=/[^\x20-\x7E]/,x=/[\x2E\u3002\uFF0E\uFF61]/g,S={overflow:"Overflow: input needs wider integers to process","not-basic":"Illegal input >= 0x80 (not a basic code point)","invalid-input":"Invalid input"},v=r,E=e,C,L;if(C={version:"1.4.1",ucs2:{decode:c,encode:u},decode:m,encode:g,toASCII:function(e){return l(e,function(e){return k.test(e)?"xn--"+g(e):e})},toUnicode:function(e){return l(e,function(e){return w.test(e)?m(e.slice(4).toLowerCase()):e})}},"function"==typeof i&&"object"==typeof i.amd&&i.amd)i("punycode",function(){return C});else if(!(_&&b))a.punycode=C;else if(n.exports==_)b.exports=C;else for(L in C)C.hasOwnProperty(L)&&(_[L]=C[L])})(this)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{}],135:[function(e,t){"use strict";function n(e,t){return Object.prototype.hasOwnProperty.call(e,t)}t.exports=function(e,t,o,a){t=t||"&",o=o||"=";var s={};if("string"!=typeof e||0===e.length)return s;var d=/\+/g;e=e.split(t);var l=1e3;a&&"number"==typeof a.maxKeys&&(l=a.maxKeys);var c=e.length;0<l&&c>l&&(c=l);for(var u=0;u<c;++u){var p=e[u].replace(d,"%20"),f=p.indexOf(o),h,m,g,_;0<=f?(h=p.substr(0,f),m=p.substr(f+1)):(h=p,m=""),g=decodeURIComponent(h),_=decodeURIComponent(m),n(s,g)?r(s[g])?s[g].push(_):s[g]=[s[g],_]:s[g]=_}return s};var r=Array.isArray||function(e){return"[object Array]"===Object.prototype.toString.call(e)}},{}],136:[function(e,t){"use strict";function n(e,t){if(e.map)return e.map(t);for(var n=[],r=0;r<e.length;r++)n.push(t(e[r],r));return n}var r=function(e){switch(typeof e){case"string":return e;case"boolean":return e?"true":"false";case"number":return isFinite(e)?e:"";default:return"";}};t.exports=function(e,t,a,s){return t=t||"&",a=a||"=",null===e&&(e=void 0),"object"==typeof e?n(i(e),function(i){var s=encodeURIComponent(r(i))+a;return o(e[i])?n(e[i],function(e){return s+encodeURIComponent(r(e))}).join(t):s+encodeURIComponent(r(e[i]))}).join(t):s?encodeURIComponent(r(s))+a+encodeURIComponent(r(e)):""};var o=Array.isArray||function(e){return"[object Array]"===Object.prototype.toString.call(e)},i=Object.keys||function(e){var t=[];for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&t.push(n);return t}},{}],137:[function(e,t,n){"use strict";n.decode=n.parse=e("./decode"),n.encode=n.stringify=e("./encode")},{"./decode":135,"./encode":136}],138:[function(e,t){t.exports=function(e){var t=0;return function(){if(t===e.length)return null;var n=e.length-t,r=0|Math.random()*n,o=e[t+r],i=e[t];return e[t]=o,e[t+r]=i,t++,o}}},{}],139:[function(e,t){(function(n,r){"use strict";var o=e("safe-buffer").Buffer,i=r.crypto||r.msCrypto;t.exports=i&&i.getRandomValues?function(e,t){if(65536<e)throw new Error("requested too many random bytes");var a=new r.Uint8Array(e);0<e&&i.getRandomValues(a);var s=o.from(a.buffer);return"function"==typeof t?n.nextTick(function(){t(null,s)}):s}:function(){throw new Error("Secure random number generation is not supported by this browser.\nUse Chrome, Firefox or Internet Explorer 11")}}).call(this,e("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{_process:132,"safe-buffer":168}],140:[function(e,t){function n(e,t){var r=this;return r instanceof n?void(o.Writable.call(r,t),r.destroyed=!1,r._queue=[],r._position=e||0,r._cb=null,r._buffer=null,r._out=null):new n(e)}var r=e("inherits"),o=e("readable-stream");t.exports=n,r(n,o.Writable),n.prototype._write=function(e,t,n){for(var r=this,o=!0;;){if(r.destroyed)return;if(0===r._queue.length)return r._buffer=e,void(r._cb=n);r._buffer=null;var i=r._queue[0],s=a(i.start-r._position,0),d=i.end-r._position;if(s>=e.length)return r._position+=e.length,n(null);var l;if(d>e.length){r._position+=e.length,l=0===s?e:e.slice(s),o=i.stream.write(l)&&o;break}r._position+=d,l=0===s&&d===e.length?e:e.slice(s,d),o=i.stream.write(l)&&o,i.last&&i.stream.end(),e=e.slice(d),r._queue.shift()}o?n(null):i.stream.once("drain",n.bind(null,null))},n.prototype.slice=function(e){var t=this;if(t.destroyed)return null;e instanceof Array||(e=[e]);var n=new o.PassThrough;return e.forEach(function(r,o){t._queue.push({start:r.start,end:r.end,stream:n,last:o===e.length-1})}),t._buffer&&t._write(t._buffer,null,t._cb),n},n.prototype.destroy=function(e){var t=this;t.destroyed||(t.destroyed=!0,e&&t.emit("error",e))}},{inherits:80,"readable-stream":149}],141:[function(e,t,n){arguments[4][15][0].apply(n,arguments)},{"./_stream_readable":143,"./_stream_writable":145,"core-util-is":60,dup:15,inherits:80,"process-nextick-args":131}],142:[function(e,t,n){arguments[4][16][0].apply(n,arguments)},{"./_stream_transform":144,"core-util-is":60,dup:16,inherits:80}],143:[function(e,t,n){arguments[4][17][0].apply(n,arguments)},{"./_stream_duplex":141,"./internal/streams/BufferList":146,"./internal/streams/destroy":147,"./internal/streams/stream":148,_process:132,"core-util-is":60,dup:17,events:42,inherits:80,isarray:85,"process-nextick-args":131,"safe-buffer":168,"string_decoder/":209,util:39}],144:[function(e,t,n){arguments[4][18][0].apply(n,arguments)},{"./_stream_duplex":141,"core-util-is":60,dup:18,inherits:80}],145:[function(e,t,n){arguments[4][19][0].apply(n,arguments)},{"./_stream_duplex":141,"./internal/streams/destroy":147,"./internal/streams/stream":148,_process:132,"core-util-is":60,dup:19,inherits:80,"process-nextick-args":131,"safe-buffer":168,timers:212,"util-deprecate":223}],146:[function(e,t,n){arguments[4][20][0].apply(n,arguments)},{dup:20,"safe-buffer":168,util:39}],147:[function(e,t,n){arguments[4][21][0].apply(n,arguments)},{dup:21,"process-nextick-args":131}],148:[function(e,t,n){arguments[4][22][0].apply(n,arguments)},{dup:22,events:42}],149:[function(e,t,n){arguments[4][23][0].apply(n,arguments)},{"./lib/_stream_duplex.js":141,"./lib/_stream_passthrough.js":142,"./lib/_stream_readable.js":143,"./lib/_stream_transform.js":144,"./lib/_stream_writable.js":145,dup:23}],150:[function(e,t){"use strict";function n(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function r(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t&&("object"==typeof t||"function"==typeof t)?t:e}function o(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}function i(e,t,i){function a(e,n,r){return"string"==typeof t?t:t(e,n,r)}i||(i=Error);var s=function(e){function t(e,o,i){return n(this,t),r(this,(t.__proto__||Object.getPrototypeOf(t)).call(this,a(e,o,i)))}return o(t,e),t}(i);s.prototype.name=i.name,s.prototype.code=e,u[e]=s}function a(e,t){if(Array.isArray(e)){var n=e.length;return e=e.map(function(e){return e+""}),2<n?"one of "+t+" "+e.slice(0,n-1).join(", ")+", or "+e[n-1]:2===n?"one of "+t+" "+e[0]+" or "+e[1]:"of "+t+" "+e[0]}return"of "+t+" "+(e+"")}function s(e,t,n){return e.substr(!n||0>n?0:+n,t.length)===t}function d(e,t,n){return(void 0===n||n>e.length)&&(n=e.length),e.substring(n-t.length,n)===t}function l(e,t,n){return"number"!=typeof n&&(n=0),!(n+t.length>e.length)&&-1!==e.indexOf(t,n)}var c="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},u={};i("ERR_INVALID_OPT_VALUE",function(e,t){return"The value \""+t+"\" is invalid for option \""+e+"\""},TypeError),i("ERR_INVALID_ARG_TYPE",function(e,t,n){var r;"string"==typeof t&&s(t,"not ")?(r="must not be",t=t.replace(/^not /,"")):r="must be";var o;if(d(e," argument"))o="The "+e+" "+r+" "+a(t,"type");else{var i=l(e,".")?"property":"argument";o="The \""+e+"\" "+i+" "+r+" "+a(t,"type")}return o+=". Received type "+("undefined"==typeof n?"undefined":c(n)),o},TypeError),i("ERR_STREAM_PUSH_AFTER_EOF","stream.push() after EOF"),i("ERR_METHOD_NOT_IMPLEMENTED",function(e){return"The "+e+" method is not implemented"}),i("ERR_STREAM_PREMATURE_CLOSE","Premature close"),i("ERR_STREAM_DESTROYED",function(e){return"Cannot call "+e+" after a stream was destroyed"}),i("ERR_MULTIPLE_CALLBACK","Callback called multiple times"),i("ERR_STREAM_CANNOT_PIPE","Cannot pipe, not readable"),i("ERR_STREAM_WRITE_AFTER_END","write after end"),i("ERR_STREAM_NULL_VALUES","May not write null values to stream",TypeError),i("ERR_UNKNOWN_ENCODING",function(e){return"Unknown encoding: "+e},TypeError),i("ERR_STREAM_UNSHIFT_AFTER_END_EVENT","stream.unshift() after end event"),t.exports.codes=u},{}],151:[function(e,t){(function(e){"use strict";var n=new Set;t.exports.emitExperimentalWarning=function(t){if(!n.has(t)){n.add(t),e.emitWarning(t+" is an experimental feature. This feature could change at any time","ExperimentalWarning")}}}).call(this,e("_process"))},{_process:132}],152:[function(e,t){(function(n){"use strict";function r(e){return this instanceof r?void(s.call(this,e),d.call(this,e),this.allowHalfOpen=!0,e&&(!1===e.readable&&(this.readable=!1),!1===e.writable&&(this.writable=!1),!1===e.allowHalfOpen&&(this.allowHalfOpen=!1,this.once("end",o)))):new r(e)}function o(){this._writableState.ended||n.nextTick(i,this)}function i(e){e.end()}var a=Object.keys||function(e){var t=[];for(var n in e)t.push(n);return t};t.exports=r;var s=e("./_stream_readable"),d=e("./_stream_writable");e("inherits")(r,s);for(var l=a(d.prototype),c=0,u;c<l.length;c++)u=l[c],r.prototype[u]||(r.prototype[u]=d.prototype[u]);Object.defineProperty(r.prototype,"writableHighWaterMark",{enumerable:!1,get:function(){return this._writableState.highWaterMark}}),Object.defineProperty(r.prototype,"writableBuffer",{enumerable:!1,get:function(){return this._writableState&&this._writableState.getBuffer()}}),Object.defineProperty(r.prototype,"writableLength",{enumerable:!1,get:function(){return this._writableState.length}}),Object.defineProperty(r.prototype,"destroyed",{enumerable:!1,get:function(){return void 0!==this._readableState&&void 0!==this._writableState&&this._readableState.destroyed&&this._writableState.destroyed},set:function(e){void 0===this._readableState||void 0===this._writableState||(this._readableState.destroyed=e,this._writableState.destroyed=e)}})}).call(this,e("_process"))},{"./_stream_readable":154,"./_stream_writable":156,_process:132,inherits:80}],153:[function(e,t){"use strict";function n(e){return this instanceof n?void r.call(this,e):new n(e)}t.exports=n;var r=e("./_stream_transform");e("inherits")(n,r),n.prototype._transform=function(e,t,n){n(null,e)}},{"./_stream_transform":155,inherits:80}],154:[function(e,t){(function(n,r){"use strict";function o(e){return U.from(e)}function i(e){return U.isBuffer(e)||e instanceof P}function a(e,t,n){return"function"==typeof e.prependListener?e.prependListener(t,n):void(e._events&&e._events[t]?Array.isArray(e._events[t])?e._events[t].unshift(n):e._events[t]=[n,e._events[t]]:e.on(t,n))}function s(t,n,r){I=I||e("./_stream_duplex"),t=t||{},"boolean"!=typeof r&&(r=n instanceof I),this.objectMode=!!t.objectMode,r&&(this.objectMode=this.objectMode||!!t.readableObjectMode),this.highWaterMark=q(this,t,"readableHighWaterMark",r),this.buffer=new j,this.length=0,this.pipes=null,this.pipesCount=0,this.flowing=null,this.ended=!1,this.endEmitted=!1,this.reading=!1,this.sync=!0,this.needReadable=!1,this.emittedReadable=!1,this.readableListening=!1,this.resumeScheduled=!1,this.emitClose=!1!==t.emitClose,this.destroyed=!1,this.defaultEncoding=t.defaultEncoding||"utf8",this.awaitDrain=0,this.readingMore=!1,this.decoder=null,this.encoding=null,t.encoding&&(!Y&&(Y=e("string_decoder/").StringDecoder),this.decoder=new Y(t.encoding),this.encoding=t.encoding)}function d(t){if(I=I||e("./_stream_duplex"),!(this instanceof d))return new d(t);var n=this instanceof I;this._readableState=new s(t,this,n),this.readable=!0,t&&("function"==typeof t.read&&(this._read=t.read),"function"==typeof t.destroy&&(this._destroy=t.destroy)),A.call(this)}function l(e,t,n,r,i){O("readableAddChunk",t);var a=e._readableState;if(null===t)a.reading=!1,h(e,a);else{var s;if(i||(s=u(a,t)),s)e.emit("error",s);else if(!(a.objectMode||t&&0<t.length))r||(a.reading=!1,_(e,a));else if("string"==typeof t||a.objectMode||Object.getPrototypeOf(t)===U.prototype||(t=o(t)),r)a.endEmitted?e.emit("error",new V):c(e,a,t,!0);else if(a.ended)e.emit("error",new W);else{if(a.destroyed)return!1;a.reading=!1,a.decoder&&!n?(t=a.decoder.write(t),a.objectMode||0!==t.length?c(e,a,t,!1):_(e,a)):c(e,a,t,!1)}}return!a.ended&&(a.length<a.highWaterMark||0===a.length)}function c(e,t,n,r){t.flowing&&0===t.length&&!t.sync?(t.awaitDrain=0,e.emit("data",n)):(t.length+=t.objectMode?1:n.length,r?t.buffer.unshift(n):t.buffer.push(n),t.needReadable&&m(e)),_(e,t)}function u(e,t){var n;return i(t)||"string"==typeof t||void 0===t||e.objectMode||(n=new F("chunk",["string","Buffer","Uint8Array"],t)),n}function p(e){return 8388608<=e?e=8388608:(e--,e|=e>>>1,e|=e>>>2,e|=e>>>4,e|=e>>>8,e|=e>>>16,e++),e}function f(e,t){return 0>=e||0===t.length&&t.ended?0:t.objectMode?1:Number.isNaN(e)?t.flowing&&t.length?t.buffer.head.data.length:t.length:(e>t.highWaterMark&&(t.highWaterMark=p(e)),e<=t.length?e:t.ended?t.length:(t.needReadable=!0,0))}function h(e,t){if(!t.ended){if(t.decoder){var n=t.decoder.end();n&&n.length&&(t.buffer.push(n),t.length+=t.objectMode?1:n.length)}t.ended=!0,t.sync?m(e):(t.needReadable=!1,!t.emittedReadable&&(t.emittedReadable=!0,g(e)))}}function m(e){var t=e._readableState;t.needReadable=!1,t.emittedReadable||(O("emitReadable",t.flowing),t.emittedReadable=!0,n.nextTick(g,e))}function g(e){var t=e._readableState;O("emit readable"),!t.destroyed&&(t.length||t.ended)&&e.emit("readable"),t.needReadable=!t.flowing&&!t.ended&&t.length<=t.highWaterMark,v(e)}function _(e,t){t.readingMore||(t.readingMore=!0,n.nextTick(b,e,t))}function b(e,t){for(var n=t.length;!t.reading&&!t.ended&&t.length<t.highWaterMark&&(O("maybeReadMore read 0"),e.read(0),n!==t.length);)n=t.length;t.readingMore=!1}function y(e){return function(){var t=e._readableState;O("pipeOnDrain",t.awaitDrain),t.awaitDrain&&t.awaitDrain--,0===t.awaitDrain&&R(e,"data")&&(t.flowing=!0,v(e))}}function w(e){e._readableState.readableListening=0<e.listenerCount("readable")}function k(e){O("readable nexttick read 0"),e.read(0)}function x(e,t){t.resumeScheduled||(t.resumeScheduled=!0,n.nextTick(S,e,t))}function S(e,t){O("resume",t.reading),t.reading||e.read(0),t.resumeScheduled=!1,e.emit("resume"),v(e),t.flowing&&!t.reading&&e.read(0)}function v(e){var t=e._readableState;for(O("flow",t.flowing);t.flowing&&null!==e.read(););}function E(e,t){if(0===t.length)return null;var n;return t.objectMode?n=t.buffer.shift():!e||e>=t.length?(n=t.decoder?t.buffer.join(""):1===t.buffer.length?t.buffer.first():t.buffer.concat(t.length),t.buffer.clear()):n=t.buffer.consume(e,t.decoder),n}function C(e){var t=e._readableState;O("endReadable",t.endEmitted),t.endEmitted||(t.ended=!0,n.nextTick(L,t,e))}function L(e,t){O("endReadableNT",e.endEmitted,e.length),e.endEmitted||0!==e.length||(e.endEmitted=!0,t.readable=!1,t.emit("end"))}function B(e,t){for(var n=0,r=e.length;n<r;n++)if(e[n]===t)return n;return-1}t.exports=d;var I;d.ReadableState=s;var T=e("events").EventEmitter,R=function(e,t){return e.listeners(t).length},A=e("./internal/streams/stream"),U=e("buffer").Buffer,P=r.Uint8Array||function(){},M=e("util"),O=void 0;O=M&&M.debuglog?M.debuglog("stream"):function(){};var j=e("./internal/streams/buffer_list"),N=e("./internal/streams/destroy"),H=e("./internal/streams/state"),q=H.getHighWaterMark,D=e("../errors").codes,F=D.ERR_INVALID_ARG_TYPE,W=D.ERR_STREAM_PUSH_AFTER_EOF,z=D.ERR_METHOD_NOT_IMPLEMENTED,V=D.ERR_STREAM_UNSHIFT_AFTER_END_EVENT,G=e("../experimentalWarning"),K=G.emitExperimentalWarning,Y=void 0,X=void 0;e("inherits")(d,A);var $=["error","close","destroy","pause","resume"];Object.defineProperty(d.prototype,"destroyed",{enumerable:!1,get:function(){return void 0!==this._readableState&&this._readableState.destroyed},set:function(e){this._readableState&&(this._readableState.destroyed=e)}}),d.prototype.destroy=N.destroy,d.prototype._undestroy=N.undestroy,d.prototype._destroy=function(e,t){t(e)},d.prototype.push=function(e,t){var n=this._readableState,r;return n.objectMode?r=!0:"string"==typeof e&&(t=t||n.defaultEncoding,t!==n.encoding&&(e=U.from(e,t),t=""),r=!0),l(this,e,t,!1,r)},d.prototype.unshift=function(e){return l(this,e,null,!0,!1)},d.prototype.isPaused=function(){return!1===this._readableState.flowing},d.prototype.setEncoding=function(t){return Y||(Y=e("string_decoder/").StringDecoder),this._readableState.decoder=new Y(t),this._readableState.encoding=this._readableState.decoder.encoding,this};d.prototype.read=function(e){O("read",e),e=parseInt(e,10);var t=this._readableState,r=e;if(0!==e&&(t.emittedReadable=!1),0===e&&t.needReadable&&((0===t.highWaterMark?0<t.length:t.length>=t.highWaterMark)||t.ended))return O("read: emitReadable",t.length,t.ended),0===t.length&&t.ended?C(this):m(this),null;if(e=f(e,t),0===e&&t.ended)return 0===t.length&&C(this),null;var o=t.needReadable;O("need readable",o),(0===t.length||t.length-e<t.highWaterMark)&&(o=!0,O("length less than watermark",o)),t.ended||t.reading?(o=!1,O("reading or ended",o)):o&&(O("do read"),t.reading=!0,t.sync=!0,0===t.length&&(t.needReadable=!0),this._read(t.highWaterMark),t.sync=!1,!t.reading&&(e=f(r,t)));var i;return i=0<e?E(e,t):null,null===i?(t.needReadable=!0,e=0):(t.length-=e,t.awaitDrain=0),0===t.length&&(!t.ended&&(t.needReadable=!0),r!==e&&t.ended&&C(this)),null!==i&&this.emit("data",i),i},d.prototype._read=function(){this.emit("error",new z("_read()"))},d.prototype.pipe=function(e,t){function r(e,t){O("onunpipe"),e===p&&t&&!1===t.hasUnpiped&&(t.hasUnpiped=!0,i())}function o(){O("onend"),e.end()}function i(){O("cleanup"),e.removeListener("close",l),e.removeListener("finish",c),e.removeListener("drain",g),e.removeListener("error",d),e.removeListener("unpipe",r),p.removeListener("end",o),p.removeListener("end",u),p.removeListener("data",s),_=!0,f.awaitDrain&&(!e._writableState||e._writableState.needDrain)&&g()}function s(t){O("ondata");var n=e.write(t);O("dest.write",n),!1===n&&((1===f.pipesCount&&f.pipes===e||1<f.pipesCount&&-1!==B(f.pipes,e))&&!_&&(O("false write response, pause",f.awaitDrain),f.awaitDrain++),p.pause())}function d(t){O("onerror",t),u(),e.removeListener("error",d),0===R(e,"error")&&e.emit("error",t)}function l(){e.removeListener("finish",c),u()}function c(){O("onfinish"),e.removeListener("close",l),u()}function u(){O("unpipe"),p.unpipe(e)}var p=this,f=this._readableState;switch(f.pipesCount){case 0:f.pipes=e;break;case 1:f.pipes=[f.pipes,e];break;default:f.pipes.push(e);}f.pipesCount+=1,O("pipe count=%d opts=%j",f.pipesCount,t);var h=(!t||!1!==t.end)&&e!==n.stdout&&e!==n.stderr,m=h?o:u;f.endEmitted?n.nextTick(m):p.once("end",m),e.on("unpipe",r);var g=y(p);e.on("drain",g);var _=!1;return p.on("data",s),a(e,"error",d),e.once("close",l),e.once("finish",c),e.emit("pipe",p),f.flowing||(O("pipe resume"),p.resume()),e},d.prototype.unpipe=function(e){var t=this._readableState,n={hasUnpiped:!1};if(0===t.pipesCount)return this;if(1===t.pipesCount)return e&&e!==t.pipes?this:(e||(e=t.pipes),t.pipes=null,t.pipesCount=0,t.flowing=!1,e&&e.emit("unpipe",this,n),this);if(!e){var r=t.pipes,o=t.pipesCount;t.pipes=null,t.pipesCount=0,t.flowing=!1;for(var a=0;a<o;a++)r[a].emit("unpipe",this,{hasUnpiped:!1});return this}var s=B(t.pipes,e);return-1===s?this:(t.pipes.splice(s,1),t.pipesCount-=1,1===t.pipesCount&&(t.pipes=t.pipes[0]),e.emit("unpipe",this,n),this)},d.prototype.on=function(e,t){var r=A.prototype.on.call(this,e,t),o=this._readableState;return"data"===e?(o.readableListening=0<this.listenerCount("readable"),!1!==o.flowing&&this.resume()):"readable"==e&&!o.endEmitted&&!o.readableListening&&(o.readableListening=o.needReadable=!0,o.emittedReadable=!1,O("on readable",o.length,o.reading),o.length?m(this):!o.reading&&n.nextTick(k,this)),r},d.prototype.addListener=d.prototype.on,d.prototype.removeListener=function(e,t){var r=A.prototype.removeListener.call(this,e,t);return"readable"===e&&n.nextTick(w,this),r},d.prototype.removeAllListeners=function(e){var t=A.prototype.removeAllListeners.apply(this,arguments);return("readable"===e||void 0===e)&&n.nextTick(w,this),t},d.prototype.resume=function(){var e=this._readableState;return e.flowing||(O("resume"),e.flowing=!e.readableListening,x(this,e)),this},d.prototype.pause=function(){return O("call pause flowing=%j",this._readableState.flowing),!1!==this._readableState.flowing&&(O("pause"),this._readableState.flowing=!1,this.emit("pause")),this},d.prototype.wrap=function(e){var t=this,r=this._readableState,o=!1;for(var a in e.on("end",function(){if(O("wrapped end"),r.decoder&&!r.ended){var e=r.decoder.end();e&&e.length&&t.push(e)}t.push(null)}),e.on("data",function(n){if((O("wrapped data"),r.decoder&&(n=r.decoder.write(n)),!(r.objectMode&&(null===n||void 0===n)))&&(r.objectMode||n&&n.length)){var i=t.push(n);i||(o=!0,e.pause())}}),e)void 0===this[a]&&"function"==typeof e[a]&&(this[a]=function(t){return function(){return e[t].apply(e,arguments)}}(a));for(var i=0;i<$.length;i++)e.on($[i],this.emit.bind(this,$[i]));return this._read=function(t){O("wrapped _read",t),o&&(o=!1,e.resume())},this},d.prototype[Symbol.asyncIterator]=function(){return K("Readable[Symbol.asyncIterator]"),void 0===X&&(X=e("./internal/streams/async_iterator")),new X(this)},Object.defineProperty(d.prototype,"readableHighWaterMark",{enumerable:!1,get:function(){return this._readableState.highWaterMark}}),Object.defineProperty(d.prototype,"readableBuffer",{enumerable:!1,get:function(){return this._readableState&&this._readableState.buffer}}),Object.defineProperty(d.prototype,"readableFlowing",{enumerable:!1,get:function(){return this._readableState.flowing},set:function(e){this._readableState&&(this._readableState.flowing=e)}}),d._fromList=E,Object.defineProperty(d.prototype,"readableLength",{enumerable:!1,get:function(){return this._readableState.length}})}).call(this,e("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"../errors":150,"../experimentalWarning":151,"./_stream_duplex":152,"./internal/streams/async_iterator":157,"./internal/streams/buffer_list":158,"./internal/streams/destroy":159,"./internal/streams/state":160,"./internal/streams/stream":161,_process:132,buffer:41,events:42,inherits:80,"string_decoder/":209,util:39}],155:[function(e,t){"use strict";function n(e,t){var n=this._transformState;n.transforming=!1;var r=n.writecb;if(null===r)return this.emit("error",new d);n.writechunk=null,n.writecb=null,null!=t&&this.push(t),r(e);var o=this._readableState;o.reading=!1,(o.needReadable||o.length<o.highWaterMark)&&this._read(o.highWaterMark)}function r(e){return this instanceof r?void(u.call(this,e),this._transformState={afterTransform:n.bind(this),needTransform:!1,transforming:!1,writecb:null,writechunk:null,writeencoding:null},this._readableState.needReadable=!0,this._readableState.sync=!1,e&&("function"==typeof e.transform&&(this._transform=e.transform),"function"==typeof e.flush&&(this._flush=e.flush)),this.on("prefinish",o)):new r(e)}function o(){var e=this;"function"!=typeof this._flush||this._readableState.destroyed?i(this,null,null):this._flush(function(t,n){i(e,t,n)})}function i(e,t,n){if(t)return e.emit("error",t);if(null!=n&&e.push(n),e._writableState.length)throw new c;if(e._transformState.transforming)throw new l;return e.push(null)}t.exports=r;var a=e("../errors").codes,s=a.ERR_METHOD_NOT_IMPLEMENTED,d=a.ERR_MULTIPLE_CALLBACK,l=a.ERR_TRANSFORM_ALREADY_TRANSFORMING,c=a.ERR_TRANSFORM_WITH_LENGTH_0,u=e("./_stream_duplex");e("inherits")(r,u),r.prototype.push=function(e,t){return this._transformState.needTransform=!1,u.prototype.push.call(this,e,t)},r.prototype._transform=function(e,t,n){n(new s("_transform()"))},r.prototype._write=function(e,t,n){var r=this._transformState;if(r.writecb=n,r.writechunk=e,r.writeencoding=t,!r.transforming){var o=this._readableState;(r.needTransform||o.needReadable||o.length<o.highWaterMark)&&this._read(o.highWaterMark)}},r.prototype._read=function(){var e=this._transformState;null===e.writechunk||e.transforming?e.needTransform=!0:(e.transforming=!0,this._transform(e.writechunk,e.writeencoding,e.afterTransform))},r.prototype._destroy=function(e,t){u.prototype._destroy.call(this,e,function(e){t(e)})}},{"../errors":150,"./_stream_duplex":152,inherits:80}],156:[function(e,t){(function(n,r){"use strict";function o(e){var t=this;this.next=null,this.entry=null,this.finish=function(){C(t,e)}}function i(e){return T.from(e)}function a(e){return T.isBuffer(e)||e instanceof R}function s(){}function d(t,n,r){L=L||e("./_stream_duplex"),t=t||{},"boolean"!=typeof r&&(r=n instanceof L),this.objectMode=!!t.objectMode,r&&(this.objectMode=this.objectMode||!!t.writableObjectMode),this.highWaterMark=P(this,t,"writableHighWaterMark",r),this.finalCalled=!1,this.needDrain=!1,this.ending=!1,this.ended=!1,this.finished=!1,this.destroyed=!1;var i=!1===t.decodeStrings;this.decodeStrings=!i,this.defaultEncoding=t.defaultEncoding||"utf8",this.length=0,this.writing=!1,this.corked=0,this.sync=!0,this.bufferProcessing=!1,this.onwrite=function(e){_(n,e)},this.writecb=null,this.writelen=0,this.bufferedRequest=null,this.lastBufferedRequest=null,this.pendingcb=0,this.prefinished=!1,this.errorEmitted=!1,this.emitClose=!1!==t.emitClose,this.bufferedRequestCount=0,this.corkedRequestsFree=new o(this)}function l(t){L=L||e("./_stream_duplex");var n=this instanceof L;return n||z.call(l,this)?void(this._writableState=new d(t,this,n),this.writable=!0,t&&("function"==typeof t.write&&(this._write=t.write),"function"==typeof t.writev&&(this._writev=t.writev),"function"==typeof t.destroy&&(this._destroy=t.destroy),"function"==typeof t.final&&(this._final=t.final)),I.call(this)):new l(t)}function c(e,t){var r=new F;e.emit("error",r),n.nextTick(t,r)}function u(e,t,r,o){var i;return null===r?i=new D:"string"!=typeof r&&!t.objectMode&&(i=new O("chunk",["string","Buffer"],r)),!i||(e.emit("error",i),n.nextTick(o,i),!1)}function p(e,t,n){return e.objectMode||!1===e.decodeStrings||"string"!=typeof t||(t=T.from(t,n)),t}function f(e,t,n,r,o,i){if(!n){var a=p(t,r,o);r!==a&&(n=!0,o="buffer",r=a)}var s=t.objectMode?1:r.length;t.length+=s;var d=t.length<t.highWaterMark;if(d||(t.needDrain=!0),t.writing||t.corked){var l=t.lastBufferedRequest;t.lastBufferedRequest={chunk:r,encoding:o,isBuf:n,callback:i,next:null},l?l.next=t.lastBufferedRequest:t.bufferedRequest=t.lastBufferedRequest,t.bufferedRequestCount+=1}else h(e,t,!1,s,r,o,i);return d}function h(e,t,n,r,o,i,a){t.writelen=r,t.writecb=a,t.writing=!0,t.sync=!0,t.destroyed?t.onwrite(new q("write")):n?e._writev(o,t.onwrite):e._write(o,i,t.onwrite),t.sync=!1}function m(e,t,r,o,i){--t.pendingcb,r?(n.nextTick(i,o),n.nextTick(v,e,t),e._writableState.errorEmitted=!0,e.emit("error",o)):(i(o),e._writableState.errorEmitted=!0,e.emit("error",o),v(e,t))}function g(e){e.writing=!1,e.writecb=null,e.length-=e.writelen,e.writelen=0}function _(e,t){var r=e._writableState,o=r.sync,i=r.writecb;if("function"!=typeof i)throw new N;if(g(r),t)m(e,r,o,t,i);else{var a=k(r);a||r.corked||r.bufferProcessing||!r.bufferedRequest||w(e,r),o?n.nextTick(b,e,r,a,i):b(e,r,a,i)}}function b(e,t,n,r){n||y(e,t),t.pendingcb--,r(),v(e,t)}function y(e,t){0===t.length&&t.needDrain&&(t.needDrain=!1,e.emit("drain"))}function w(e,t){t.bufferProcessing=!0;var n=t.bufferedRequest;if(e._writev&&n&&n.next){var r=t.bufferedRequestCount,i=Array(r),a=t.corkedRequestsFree;a.entry=n;for(var s=0,d=!0;n;)i[s]=n,n.isBuf||(d=!1),n=n.next,s+=1;i.allBuffers=d,h(e,t,!0,t.length,i,"",a.finish),t.pendingcb++,t.lastBufferedRequest=null,a.next?(t.corkedRequestsFree=a.next,a.next=null):t.corkedRequestsFree=new o(t),t.bufferedRequestCount=0}else{for(;n;){var l=n.chunk,c=n.encoding,u=n.callback,p=t.objectMode?1:l.length;if(h(e,t,!1,p,l,c,u),n=n.next,t.bufferedRequestCount--,t.writing)break}null===n&&(t.lastBufferedRequest=null)}t.bufferedRequest=n,t.bufferProcessing=!1}function k(e){return e.ending&&0===e.length&&null===e.bufferedRequest&&!e.finished&&!e.writing}function x(e,t){e._final(function(n){t.pendingcb--,n&&e.emit("error",n),t.prefinished=!0,e.emit("prefinish"),v(e,t)})}function S(e,t){t.prefinished||t.finalCalled||("function"!=typeof e._final||t.destroyed?(t.prefinished=!0,e.emit("prefinish")):(t.pendingcb++,t.finalCalled=!0,n.nextTick(x,e,t)))}function v(e,t){var n=k(t);return n&&(S(e,t),0===t.pendingcb&&(t.finished=!0,e.emit("finish"))),n}function E(e,t,r){t.ending=!0,v(e,t),r&&(t.finished?n.nextTick(r):e.once("finish",r)),t.ended=!0,e.writable=!1}function C(e,t,n){var r=e.entry;for(e.entry=null;r;){var o=r.callback;t.pendingcb--,o(n),r=r.next}t.corkedRequestsFree.next=e}t.exports=l;var L;l.WritableState=d;var B={deprecate:e("util-deprecate")},I=e("./internal/streams/stream"),T=e("buffer").Buffer,R=r.Uint8Array||function(){},A=e("./internal/streams/destroy"),U=e("./internal/streams/state"),P=U.getHighWaterMark,M=e("../errors").codes,O=M.ERR_INVALID_ARG_TYPE,j=M.ERR_METHOD_NOT_IMPLEMENTED,N=M.ERR_MULTIPLE_CALLBACK,H=M.ERR_STREAM_CANNOT_PIPE,q=M.ERR_STREAM_DESTROYED,D=M.ERR_STREAM_NULL_VALUES,F=M.ERR_STREAM_WRITE_AFTER_END,W=M.ERR_UNKNOWN_ENCODING;e("inherits")(l,I),d.prototype.getBuffer=function(){for(var e=this.bufferedRequest,t=[];e;)t.push(e),e=e.next;return t},function(){try{Object.defineProperty(d.prototype,"buffer",{get:B.deprecate(function(){return this.getBuffer()},"_writableState.buffer is deprecated. Use _writableState.getBuffer instead.","DEP0003")})}catch(e){}}();var z;"function"==typeof Symbol&&Symbol.hasInstance&&"function"==typeof Function.prototype[Symbol.hasInstance]?(z=Function.prototype[Symbol.hasInstance],Object.defineProperty(l,Symbol.hasInstance,{value:function(e){return!!z.call(this,e)||!(this!==l)&&e&&e._writableState instanceof d}})):z=function(e){return e instanceof this},l.prototype.pipe=function(){this.emit("error",new H)},l.prototype.write=function(e,t,n){var r=this._writableState,o=!1,d=!r.objectMode&&a(e);return d&&!T.isBuffer(e)&&(e=i(e)),"function"==typeof t&&(n=t,t=null),d?t="buffer":!t&&(t=r.defaultEncoding),"function"!=typeof n&&(n=s),r.ending?c(this,n):(d||u(this,r,e,n))&&(r.pendingcb++,o=f(this,r,d,e,t,n)),o},l.prototype.cork=function(){this._writableState.corked++},l.prototype.uncork=function(){var e=this._writableState;e.corked&&(e.corked--,!e.writing&&!e.corked&&!e.bufferProcessing&&e.bufferedRequest&&w(this,e))},l.prototype.setDefaultEncoding=function(e){if("string"==typeof e&&(e=e.toLowerCase()),!(-1<["hex","utf8","utf-8","ascii","binary","base64","ucs2","ucs-2","utf16le","utf-16le","raw"].indexOf((e+"").toLowerCase())))throw new W(e);return this._writableState.defaultEncoding=e,this},Object.defineProperty(l.prototype,"writableBuffer",{enumerable:!1,get:function(){return this._writableState&&this._writableState.getBuffer()}}),Object.defineProperty(l.prototype,"writableHighWaterMark",{enumerable:!1,get:function(){return this._writableState.highWaterMark}}),l.prototype._write=function(e,t,n){n(new j("_write()"))},l.prototype._writev=null,l.prototype.end=function(e,t,n){var r=this._writableState;return"function"==typeof e?(n=e,e=null,t=null):"function"==typeof t&&(n=t,t=null),null!==e&&void 0!==e&&this.write(e,t),r.corked&&(r.corked=1,this.uncork()),r.ending||E(this,r,n),this},Object.defineProperty(l.prototype,"writableLength",{enumerable:!1,get:function(){return this._writableState.length}}),Object.defineProperty(l.prototype,"destroyed",{enumerable:!1,get:function(){return void 0!==this._writableState&&this._writableState.destroyed},set:function(e){this._writableState&&(this._writableState.destroyed=e)}}),l.prototype.destroy=A.destroy,l.prototype._undestroy=A.undestroy,l.prototype._destroy=function(e,t){t(e)}}).call(this,e("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"../errors":150,"./_stream_duplex":152,"./internal/streams/destroy":159,"./internal/streams/state":160,"./internal/streams/stream":161,_process:132,buffer:41,inherits:80,"util-deprecate":223}],157:[function(e,t){(function(e){"use strict";function n(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function r(e){var t=e[l];if(null!==t){var n=e[m].read();null!==n&&(e[f]=null,e[l]=null,e[c]=null,t(new g(n,!1)))}}function o(t){e.nextTick(r,t)}function i(e){var t=e[l];null!==t&&(e[f]=null,e[l]=null,e[c]=null,t(new g(null,!0))),e[p]=!0}function a(e,t){var n=e[c];null!==n&&(e[f]=null,e[l]=null,e[c]=null,n(t)),e[u]=t}function s(e,t){return function(n,r){e.then(function(){t[h](n,r)},r)}}var d=function(){function e(e,t){for(var n=0,r;n<t.length;n++)r=t[n],r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}return function(t,n,r){return n&&e(t.prototype,n),r&&e(t,r),t}}(),l=Symbol("lastResolve"),c=Symbol("lastReject"),u=Symbol("error"),p=Symbol("ended"),f=Symbol("lastPromise"),h=Symbol("handlePromise"),m=Symbol("stream"),g=function e(t,r){n(this,e),this.done=r,this.value=t},_=function(){function e(t){var r=this;n(this,e),this[m]=t,this[l]=null,this[c]=null,this[u]=null,this[p]=!1,this[f]=null,t.on("readable",o.bind(null,this)),t.on("end",i.bind(null,this)),t.on("error",a.bind(null,this)),this[h]=function(e,t){var n=r[m].read();n?(r[f]=null,r[l]=null,r[c]=null,e(new g(n,!1))):(r[l]=e,r[c]=t)}}return e.prototype.next=function(){var e=this[u];if(null!==e)return Promise.reject(e);if(this[p])return Promise.resolve(new g(null,!0));var t=this[f],n=void 0;if(t)n=new Promise(s(t,this));else{var r=this[m].read();if(null!==r)return Promise.resolve(new g(r,!1));n=new Promise(this[h])}return this[f]=n,n},e.prototype.return=function(){var e=this;return new Promise(function(t,n){e[m].destroy(null,function(e){return e?void n(e):void t(new g(null,!0))})})},d(e,[{key:"stream",get:function(){return this[m]}}]),e}();t.exports=_}).call(this,e("_process"))},{_process:132}],158:[function(e,t){"use strict";function n(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function r(e,t,n){a.prototype.copy.call(e,t,n)}var o=e("buffer"),a=o.Buffer,i=e("util"),s=i.inspect,d=s&&d||"inspect";t.exports=function(){function e(){n(this,e),this.head=null,this.tail=null,this.length=0}return e.prototype.push=function(e){var t={data:e,next:null};0<this.length?this.tail.next=t:this.head=t,this.tail=t,++this.length},e.prototype.unshift=function(e){var t={data:e,next:this.head};0===this.length&&(this.tail=t),this.head=t,++this.length},e.prototype.shift=function(){if(0!==this.length){var e=this.head.data;return this.head=1===this.length?this.tail=null:this.head.next,--this.length,e}},e.prototype.clear=function(){this.head=this.tail=null,this.length=0},e.prototype.join=function(e){if(0===this.length)return"";for(var t=this.head,n=""+t.data;t=t.next;)n+=e+t.data;return n},e.prototype.concat=function(e){if(0===this.length)return a.alloc(0);for(var t=a.allocUnsafe(e>>>0),n=this.head,o=0;n;)r(n.data,t,o),o+=n.data.length,n=n.next;return t},e.prototype.consume=function(e,t){var n;return e<this.head.data.length?(n=this.head.data.slice(0,e),this.head.data=this.head.data.slice(e)):e===this.head.data.length?n=this.shift():n=t?this._getString(e):this._getBuffer(e),n},e.prototype.first=function(){return this.head.data},e.prototype._getString=function(e){var t=this.head,r=1,o=t.data;for(e-=o.length;t=t.next;){var i=t.data,a=e>i.length?i.length:e;if(o+=a===i.length?i:i.slice(0,e),e-=a,0===e){a===i.length?(++r,this.head=t.next?t.next:this.tail=null):(this.head=t,t.data=i.slice(a));break}++r}return this.length-=r,o},e.prototype._getBuffer=function(e){var t=a.allocUnsafe(e),r=this.head,o=1;for(r.data.copy(t),e-=r.data.length;r=r.next;){var i=r.data,s=e>i.length?i.length:e;if(i.copy(t,t.length-e,0,s),e-=s,0===e){s===i.length?(++o,this.head=r.next?r.next:this.tail=null):(this.head=r,r.data=i.slice(s));break}++o}return this.length-=o,t},e.prototype[d]=function(){var e=s({length:this.length});return this.constructor.name+" "+e},e}()},{buffer:41,util:39}],159:[function(e,t){(function(e){"use strict";function n(e,t){o(e,t),r(e)}function r(e){e._writableState&&!e._writableState.emitClose||e._readableState&&!e._readableState.emitClose||e.emit("close")}function o(e,t){e.emit("error",t)}t.exports={destroy:function(t,i){var a=this,s=this._readableState&&this._readableState.destroyed,d=this._writableState&&this._writableState.destroyed;return s||d?(i?i(t):t&&(!this._writableState||!this._writableState.errorEmitted)&&e.nextTick(o,this,t),this):(this._readableState&&(this._readableState.destroyed=!0),this._writableState&&(this._writableState.destroyed=!0),this._destroy(t||null,function(t){!i&&t?(e.nextTick(n,a,t),a._writableState&&(a._writableState.errorEmitted=!0)):i?(e.nextTick(r,a),i(t)):e.nextTick(r,a)}),this)},undestroy:function(){this._readableState&&(this._readableState.destroyed=!1,this._readableState.reading=!1,this._readableState.ended=!1,this._readableState.endEmitted=!1),this._writableState&&(this._writableState.destroyed=!1,this._writableState.ended=!1,this._writableState.ending=!1,this._writableState.finalCalled=!1,this._writableState.prefinished=!1,this._writableState.finished=!1,this._writableState.errorEmitted=!1)}}}).call(this,e("_process"))},{_process:132}],160:[function(e,t){"use strict";function n(e,t,n){return null==e.highWaterMark?t?e[n]:null:e.highWaterMark}var o=e("../../../errors").codes.ERR_INVALID_OPT_VALUE;t.exports={getHighWaterMark:function(e,t,i,a){var s=n(t,a,i);if(null!=s){if(!Number.isInteger(s)||0>s){var d=a?i:"highWaterMark";throw new o(d,s)}return r(s)}return e.objectMode?16:16384}}},{"../../../errors":150}],161:[function(e,t,n){arguments[4][22][0].apply(n,arguments)},{dup:22,events:42}],162:[function(e,t,n){arguments[4][23][0].apply(n,arguments)},{"./lib/_stream_duplex.js":152,"./lib/_stream_passthrough.js":153,"./lib/_stream_readable.js":154,"./lib/_stream_transform.js":155,"./lib/_stream_writable.js":156,dup:23}],163:[function(e,t,n){function r(e,t,n,r){function i(){v.removeEventListener("loadstart",i),n.autoplay&&v.play()}function s(){v.removeEventListener("canplay",s),r(null,v)}function p(){o(e,function(e,n){return e?k(e):void(".pdf"===x?(v=t("object"),v.setAttribute("typemustmatch",!0),v.setAttribute("type","application/pdf"),v.setAttribute("data",n)):(v=t("iframe"),v.sandbox="allow-forms allow-scripts",v.src=n),r(null,v))})}function k(t){t.message="Error rendering file \""+e.name+"\": "+t.message,d(t.message),r(t)}var x=u.extname(e.name).toLowerCase(),S=0,v;0<=g.indexOf(x)?function(){function r(){d("Use `videostream` package for "+e.name),_(),v.addEventListener("error",p),v.addEventListener("loadstart",i),v.addEventListener("canplay",s),f(e,v)}function l(){d("Use MediaSource API for "+e.name),_(),v.addEventListener("error",g),v.addEventListener("loadstart",i),v.addEventListener("canplay",s);var t=new c(v),n=t.createWriteStream(a(e.name));e.createReadStream().pipe(n),S&&(v.currentTime=S)}function u(){d("Use Blob URL for "+e.name),_(),v.addEventListener("error",k),v.addEventListener("loadstart",i),v.addEventListener("canplay",s),o(e,function(e,t){return e?k(e):void(v.src=t,S&&(v.currentTime=S))})}function p(e){d("videostream error: fallback to MediaSource API: %o",e.message||e),v.removeEventListener("error",p),v.removeEventListener("canplay",s),l()}function g(t){return d("MediaSource API error: fallback to Blob URL: %o",t.message||t),"number"==typeof e.length&&e.length>n.maxBlobLength?(d("File length too large for Blob URL approach: %d (max: %d)",e.length,n.maxBlobLength),k(new Error("File length too large for Blob URL approach: "+e.length+" (max: "+n.maxBlobLength+")"))):void(v.removeEventListener("error",g),v.removeEventListener("canplay",s),u())}function _(){v||(v=t(b),v.addEventListener("progress",function(){S=v.currentTime}))}var b=0<=m.indexOf(x)?"video":"audio";w?0<=h.indexOf(x)?r():l():u()}():0<=_.indexOf(x)?function(){v=t("audio"),o(e,function(e,t){return e?k(e):void(v.addEventListener("error",k),v.addEventListener("loadstart",i),v.addEventListener("canplay",s),v.src=t)})}():0<=b.indexOf(x)?function(){v=t("img"),o(e,function(t,n){return t?k(t):void(v.src=n,v.alt=e.name,r(null,v))})}():0<=y.indexOf(x)?p():function(){function t(){l(n)?(d("File extension \"%s\" appears ascii, so will render.",x),p()):(d("File extension \"%s\" appears non-ascii, will not render.",x),r(new Error("Unsupported file type \""+x+"\": Cannot append to DOM")))}d("Unknown file extension \"%s\" - will attempt to render into iframe",x);var n="";e.createReadStream({start:0,end:1e3}).setEncoding("utf8").on("data",function(e){n+=e}).on("end",t).on("error",r)}()}function o(e,t){var r=u.extname(e.name).toLowerCase();p(e.createReadStream(),n.mime[r],t)}function i(e){if(null==e)throw new Error("file cannot be null or undefined");if("string"!=typeof e.name)throw new Error("missing or invalid file.name property");if("function"!=typeof e.createReadStream)throw new Error("missing or invalid file.createReadStream property")}function a(e){var t=u.extname(e).toLowerCase();return{".m4a":"audio/mp4; codecs=\"mp4a.40.5\"",".m4v":"video/mp4; codecs=\"avc1.640029, mp4a.40.5\"",".mkv":"video/webm; codecs=\"avc1.640029, mp4a.40.5\"",".mp3":"audio/mpeg",".mp4":"video/mp4; codecs=\"avc1.640029, mp4a.40.5\"",".webm":"video/webm; codecs=\"vorbis, vp8\""}[t]}function s(e){null==e.autoplay&&(e.autoplay=!1),null==e.muted&&(e.muted=!1),null==e.controls&&(e.controls=!0),null==e.maxBlobLength&&(e.maxBlobLength=200000000)}n.render=function(e,t,n,o){"function"==typeof n&&(o=n,n={}),n||(n={}),o||(o=function(){}),i(e),s(n),"string"==typeof t&&(t=document.querySelector(t)),r(e,function(n){if(t.nodeName!==n.toUpperCase()){var r=u.extname(e.name).toLowerCase();throw new Error("Cannot render \""+r+"\" inside a \""+t.nodeName.toLowerCase()+"\" element, expected \""+n+"\"")}return t},n,o)},n.append=function(e,t,n,o){function a(e){var r=d(e);return n.autoplay&&(r.autoplay=!0),n.muted&&(r.muted=!0),n.controls&&(r.controls=!0),t.appendChild(r),r}function d(e){var n=document.createElement(e);return t.appendChild(n),n}function l(e,t){e&&t&&t.remove(),o(e,t)}if("function"==typeof n&&(o=n,n={}),n||(n={}),o||(o=function(){}),i(e),s(n),"string"==typeof t&&(t=document.querySelector(t)),t&&("VIDEO"===t.nodeName||"AUDIO"===t.nodeName))throw new Error("Invalid video/audio node argument. Argument must be root element that video/audio tag will be appended to.");r(e,function(e){return"video"===e||"audio"===e?a(e):d(e)},n,l)},n.mime=e("./lib/mime.json");var d=e("debug")("render-media"),l=e("is-ascii"),c=e("mediasource"),u=e("path"),p=e("stream-to-blob-url"),f=e("videostream"),h=[".m4a",".m4v",".mp4"],m=[".m4v",".mkv",".mp4",".webm"],g=[].concat(m,[".m4a",".mp3"]),_=[".aac",".oga",".ogg",".wav",".flac"],b=[".bmp",".gif",".jpeg",".jpg",".png",".svg"],y=[".css",".html",".js",".md",".pdf",".txt"],w="undefined"!=typeof window&&window.MediaSource},{"./lib/mime.json":164,debug:62,"is-ascii":81,mediasource:88,path:129,"stream-to-blob-url":206,videostream:225}],164:[function(e,t){t.exports={".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/mp4",".m4v":"video/mp4",".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"}},{}],165:[function(e,t){(function(e){t.exports=function(t,n,r){function o(t){function n(){r&&r(t,s),r=null}i?e.nextTick(n):n()}function a(e,n,r){if(s[e]=r,n&&(u=!0),0==--l||n)o(n);else if(!u&&p<d){var i;c?(i=c[p],p+=1,t[i](function(e,t){a(i,e,t)})):(i=p,p+=1,t[i](function(e,t){a(i,e,t)}))}}if("number"!=typeof n)throw new Error("second argument must be a Number");var i=!0,s,d,l,c,u;Array.isArray(t)?(s=[],l=d=t.length):(c=Object.keys(t),s={},l=d=c.length);var p=n;l?c?c.some(function(e,r){if(t[e](function(t,n){a(e,t,n)}),r===n-1)return!0}):t.some(function(e,t){if(e(function(e,n){a(t,e,n)}),t===n-1)return!0}):o(null),i=!1}}).call(this,e("_process"))},{_process:132}],166:[function(e,t){(function(e){t.exports=function(t,n){function r(t){function r(){n&&n(t,a),n=null}i?e.nextTick(r):r()}function o(e,t,n){a[e]=n,(0==--s||t)&&r(t)}var i=!0,a,s,d;Array.isArray(t)?(a=[],s=t.length):(d=Object.keys(t),a={},s=d.length),s?d?d.forEach(function(e){t[e](function(t,n){o(e,t,n)})}):t.forEach(function(e,t){e(function(e,n){o(t,e,n)})}):r(null),i=!1}}).call(this,e("_process"))},{_process:132}],167:[function(e,t,n){(function(e,r){"object"==typeof n&&"object"==typeof t?t.exports=r():"function"==typeof i&&i.amd?i([],r):"object"==typeof n?n.Rusha=r():e.Rusha=r()})("undefined"==typeof self?this:self,function(){return function(e){function t(r){if(n[r])return n[r].exports;var o=n[r]={i:r,l:!1,exports:{}};return e[r].call(o.exports,o,o.exports,t),o.l=!0,o.exports}var n={};return t.m=e,t.c=n,t.d=function(e,n,r){t.o(e,n)||Object.defineProperty(e,n,{configurable:!1,enumerable:!0,get:r})},t.n=function(e){var n=e&&e.__esModule?function(){return e["default"]}:function(){return e};return t.d(n,"a",n),n},t.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},t.p="",t(t.s=3)}([function(e,t,n){function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var o=n(5),i=n(1),a=i.toHex,d=i.ceilHeapSize,l=n(6),c=function(e){for(e+=9;0<e%64;e+=1);return e},u=function(e,t){var n=new Uint8Array(e.buffer),r=t%4,o=t-r;switch(r){case 0:n[o+3]=0;case 1:n[o+2]=0;case 2:n[o+1]=0;case 3:n[o+0]=0;}for(var a=(t>>2)+1;a<e.length;a++)e[a]=0},p=function(e,t,n){e[t>>2]|=128<<24-(t%4<<3),e[(-16&(t>>2)+2)+14]=0|n/536870912,e[(-16&(t>>2)+2)+15]=n<<3},f=function(e,t){var n=new Int32Array(e,t+320,5),r=new Int32Array(5),o=new DataView(r.buffer);return o.setInt32(0,n[0],!1),o.setInt32(4,n[1],!1),o.setInt32(8,n[2],!1),o.setInt32(12,n[3],!1),o.setInt32(16,n[4],!1),r},h=function(){function e(t){if(r(this,e),t=t||65536,0<t%64)throw new Error("Chunk size must be a multiple of 128 bit");this._offset=0,this._maxChunkLen=t,this._padMaxChunkLen=c(t),this._heap=new ArrayBuffer(d(this._padMaxChunkLen+320+20)),this._h32=new Int32Array(this._heap),this._h8=new Int8Array(this._heap),this._core=new o({Int32Array:Int32Array},{},this._heap)}return e.prototype._initState=function(e,t){this._offset=0;var n=new Int32Array(e,t+320,5);n[0]=1732584193,n[1]=-271733879,n[2]=-1732584194,n[3]=271733878,n[4]=-1009589776},e.prototype._padChunk=function(e,t){var n=c(e),r=new Int32Array(this._heap,0,n>>2);return u(r,e),p(r,e,t),n},e.prototype._write=function(e,t,n,r){l(e,this._h8,this._h32,t,n,r||0)},e.prototype._coreCall=function(e,t,n,r,o){var i=n;this._write(e,t,n),o&&(i=this._padChunk(n,r)),this._core.hash(i,this._padMaxChunkLen)},e.prototype.rawDigest=function(e){var t=e.byteLength||e.length||e.size||0;this._initState(this._heap,this._padMaxChunkLen);var n=0,r=this._maxChunkLen;for(n=0;t>n+r;n+=r)this._coreCall(e,n,r,t,!1);return this._coreCall(e,n,t-n,t,!0),f(this._heap,this._padMaxChunkLen)},e.prototype.digest=function(e){return a(this.rawDigest(e).buffer)},e.prototype.digestFromString=function(e){return this.digest(e)},e.prototype.digestFromBuffer=function(e){return this.digest(e)},e.prototype.digestFromArrayBuffer=function(e){return this.digest(e)},e.prototype.resetState=function(){return this._initState(this._heap,this._padMaxChunkLen),this},e.prototype.append=function(e){var t=0,n=e.byteLength||e.length||e.size||0,r=this._offset%this._maxChunkLen,o=void 0;for(this._offset+=n;t<n;)o=s(n-t,this._maxChunkLen-r),this._write(e,t,o,r),r+=o,t+=o,r===this._maxChunkLen&&(this._core.hash(this._maxChunkLen,this._padMaxChunkLen),r=0);return this},e.prototype.getState=function(){var e=this._offset%this._maxChunkLen,t=void 0;if(!e){var n=new Int32Array(this._heap,this._padMaxChunkLen+320,5);t=n.buffer.slice(n.byteOffset,n.byteOffset+n.byteLength)}else t=this._heap.slice(0);return{offset:this._offset,heap:t}},e.prototype.setState=function(e){if(this._offset=e.offset,20===e.heap.byteLength){var t=new Int32Array(this._heap,this._padMaxChunkLen+320,5);t.set(new Int32Array(e.heap))}else this._h32.set(new Int32Array(e.heap));return this},e.prototype.rawEnd=function(){var e=this._offset,t=e%this._maxChunkLen,n=this._padChunk(t,e);this._core.hash(n,this._padMaxChunkLen);var r=f(this._heap,this._padMaxChunkLen);return this._initState(this._heap,this._padMaxChunkLen),r},e.prototype.end=function(){return a(this.rawEnd().buffer)},e}();e.exports=h,e.exports._core=o},function(e){for(var t=Array(256),n=0;256>n;n++)t[n]=(16>n?"0":"")+n.toString(16);e.exports.toHex=function(e){for(var n=new Uint8Array(e),r=Array(e.byteLength),o=0;o<r.length;o++)r[o]=t[n[o]];return r.join("")},e.exports.ceilHeapSize=function(e){var t=0;if(65536>=e)return 65536;if(16777216>e)for(t=1;t<e;t<<=1);else for(t=16777216;t<e;t+=16777216);return t},e.exports.isDedicatedWorkerScope=function(e){var t="WorkerGlobalScope"in e&&e instanceof e.WorkerGlobalScope,n="SharedWorkerGlobalScope"in e&&e instanceof e.SharedWorkerGlobalScope,r="ServiceWorkerGlobalScope"in e&&e instanceof e.ServiceWorkerGlobalScope;return t&&!n&&!r}},function(e,t,n){e.exports=function(){var e=n(0),t=function(e,t,n){try{return n(null,e.digest(t))}catch(t){return n(t)}},r=function(e,t,n,o,i){var a=new self.FileReader;a.onloadend=function(){if(a.error)return i(a.error);var s=a.result;t+=a.result.byteLength;try{e.append(s)}catch(t){return void i(t)}t<o.size?r(e,t,n,o,i):i(null,e.end())},a.readAsArrayBuffer(o.slice(t,t+n))},o=!0;return self.onmessage=function(n){if(o){var i=n.data.data,a=n.data.file,s=n.data.id;if("undefined"!=typeof s&&(a||i)){var d=n.data.blockSize||4194304,l=new e(d);l.resetState();var c=function(e,t){e?self.postMessage({id:s,error:e.name}):self.postMessage({id:s,hash:t})};i&&t(l,i,c),a&&r(l,0,d,a,c)}}},function(){o=!1}}},function(e,t,n){var r=n(4),o=n(0),i=n(7),a=n(2),s=n(1),d=s.isDedicatedWorkerScope,l="undefined"!=typeof self&&d(self);o.disableWorkerBehaviour=l?a():function(){},o.createWorker=function(){var e=r(2),t=e.terminate;return e.terminate=function(){URL.revokeObjectURL(e.objectURL),t.call(e)},e},o.createHash=i,e.exports=o},function(e,t,n){function r(e){function t(r){if(n[r])return n[r].exports;var o=n[r]={i:r,l:!1,exports:{}};return e[r].call(o.exports,o,o.exports,t),o.l=!0,o.exports}var n={};t.m=e,t.c=n,t.i=function(e){return e},t.d=function(e,n,r){t.o(e,n)||Object.defineProperty(e,n,{configurable:!1,enumerable:!0,get:r})},t.r=function(e){Object.defineProperty(e,"__esModule",{value:!0})},t.n=function(e){var n=e&&e.__esModule?function(){return e["default"]}:function(){return e};return t.d(n,"a",n),n},t.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},t.p="/",t.oe=function(e){throw console.error(e),e};var r=t(t.s=ENTRY_MODULE);return r.default||r}function o(e){return(e+"").replace(/[.?*+^$[\]\\(){}|-]/g,"\\$&")}function i(e,t,r){var i={};i[r]=[];var a=t.toString(),s=a.match(/^function\s?\(\w+,\s*\w+,\s*(\w+)\)/);if(!s)return i;for(var d=s[1],l=new RegExp("(\\\\n|\\W)"+o(d)+"\\((/\\*.*?\\*/)?s?.*?([\\.|\\-|\\+|\\w|/|@]+).*?\\)","g"),c;c=l.exec(a);)"dll-reference"!==c[3]&&i[r].push(c[3]);for(l=new RegExp("\\("+o(d)+"\\(\"(dll-reference\\s([\\.|\\-|\\+|\\w|/|@]+))\"\\)\\)\\((/\\*.*?\\*/)?s?.*?([\\.|\\-|\\+|\\w|/|@]+).*?\\)","g");c=l.exec(a);)e[c[2]]||(i[r].push(c[1]),e[c[2]]=n(c[1]).m),i[c[2]]=i[c[2]]||[],i[c[2]].push(c[4]);return i}function a(e){var t=Object.keys(e);return t.reduce(function(t,n){return t||0<e[n].length},!1)}function s(e,t){for(var n={main:[t]},r={main:[]},o={main:{}};a(n);)for(var s=Object.keys(n),d=0;d<s.length;d++){var l=s[d],c=n[l],u=c.pop();if(o[l]=o[l]||{},!o[l][u]&&e[l][u]){o[l][u]=!0,r[l]=r[l]||[],r[l].push(u);for(var p=i(e,e[l][u],l),f=Object.keys(p),h=0;h<f.length;h++)n[f[h]]=n[f[h]]||[],n[f[h]]=n[f[h]].concat(p[f[h]])}}return r}e.exports=function(e,t){t=t||{};var o={main:n.m},i=t.all?{main:Object.keys(o)}:s(o,e),a="";Object.keys(i).filter(function(e){return"main"!==e}).forEach(function(e){for(var t=0;i[e][t];)t++;i[e].push(t),o[e][t]="(function(module, exports, __webpack_require__) { module.exports = __webpack_require__; })",a=a+"var "+e+" = ("+r.toString().replace("ENTRY_MODULE",JSON.stringify(t))+")({"+i[e].map(function(t){return""+JSON.stringify(t)+": "+o[e][t].toString()}).join(",")+"});\n"}),a=a+"("+r.toString().replace("ENTRY_MODULE",JSON.stringify(e))+")({"+i.main.map(function(e){return""+JSON.stringify(e)+": "+o.main[e].toString()}).join(",")+"})(self);";var d=new window.Blob([a],{type:"text/javascript"});if(t.bare)return d;var l=window.URL||window.webkitURL||window.mozURL||window.msURL,c=l.createObjectURL(d),u=new window.Worker(c);return u.objectURL=c,u}},function(e){e.exports=function(e,t,n){"use asm";var r=new e.Int32Array(n);return{hash:function(e,t){e|=0,t|=0;var n=0,o=0,i=0,a=0,s=0,d=0,l=0,c=0,u=0,p=0,f=0,h=0,m=0,g=0;for(i=0|r[t+320>>2],s=0|r[t+324>>2],l=0|r[t+328>>2],u=0|r[t+332>>2],f=0|r[t+336>>2],n=0;(0|n)<(0|e);n=0|n+64){for(a=i,d=s,c=l,p=u,h=f,o=0;64>(0|o);o=0|o+4)g=0|r[n+o>>2],m=0|(0|(i<<5|i>>>27)+(s&l|~s&u))+(0|(0|g+f)+1518500249),f=u,u=l,l=s<<30|s>>>2,s=i,i=m,r[e+o>>2]=g;for(o=0|e+64;(0|o)<(0|e+80);o=0|o+4)g=(r[o-12>>2]^r[o-32>>2]^r[o-56>>2]^r[o-64>>2])<<1|(r[o-12>>2]^r[o-32>>2]^r[o-56>>2]^r[o-64>>2])>>>31,m=0|(0|(i<<5|i>>>27)+(s&l|~s&u))+(0|(0|g+f)+1518500249),f=u,u=l,l=s<<30|s>>>2,s=i,i=m,r[o>>2]=g;for(o=0|e+80;(0|o)<(0|e+160);o=0|o+4)g=(r[o-12>>2]^r[o-32>>2]^r[o-56>>2]^r[o-64>>2])<<1|(r[o-12>>2]^r[o-32>>2]^r[o-56>>2]^r[o-64>>2])>>>31,m=0|(0|(i<<5|i>>>27)+(s^l^u))+(0|(0|g+f)+1859775393),f=u,u=l,l=s<<30|s>>>2,s=i,i=m,r[o>>2]=g;for(o=0|e+160;(0|o)<(0|e+240);o=0|o+4)g=(r[o-12>>2]^r[o-32>>2]^r[o-56>>2]^r[o-64>>2])<<1|(r[o-12>>2]^r[o-32>>2]^r[o-56>>2]^r[o-64>>2])>>>31,m=0|(0|(i<<5|i>>>27)+(s&l|s&u|l&u))+(0|(0|g+f)-1894007588),f=u,u=l,l=s<<30|s>>>2,s=i,i=m,r[o>>2]=g;for(o=0|e+240;(0|o)<(0|e+320);o=0|o+4)g=(r[o-12>>2]^r[o-32>>2]^r[o-56>>2]^r[o-64>>2])<<1|(r[o-12>>2]^r[o-32>>2]^r[o-56>>2]^r[o-64>>2])>>>31,m=0|(0|(i<<5|i>>>27)+(s^l^u))+(0|(0|g+f)-899497514),f=u,u=l,l=s<<30|s>>>2,s=i,i=m,r[o>>2]=g;i=0|i+a,s=0|s+d,l=0|l+c,u=0|u+p,f=0|f+h}r[t+320>>2]=i,r[t+324>>2]=s,r[t+328>>2]=l,r[t+332>>2]=u,r[t+336>>2]=f}}}},function(e){var t=this,n=void 0;"undefined"!=typeof self&&"undefined"!=typeof self.FileReaderSync&&(n=new self.FileReaderSync);var r=function(e,t,n,r,o,a){var s=a%4,d=(o+s)%4,l=o-d,c;switch(s){case 0:t[a]=e.charCodeAt(r+3);case 1:t[0|a+1-(s<<1)]=e.charCodeAt(r+2);case 2:t[0|a+2-(s<<1)]=e.charCodeAt(r+1);case 3:t[0|a+3-(s<<1)]=e.charCodeAt(r);}if(!(o<d+(4-s))){for(c=4-s;c<l;c=0|c+4)n[a+c>>2]=e.charCodeAt(r+c)<<24|e.charCodeAt(r+c+1)<<16|e.charCodeAt(r+c+2)<<8|e.charCodeAt(r+c+3);switch(d){case 3:t[0|a+l+1]=e.charCodeAt(r+l+2);case 2:t[0|a+l+2]=e.charCodeAt(r+l+1);case 1:t[0|a+l+3]=e.charCodeAt(r+l);}}},o=function(e,t,n,r,o,a){var s=a%4,d=(o+s)%4,l=o-d,c;switch(s){case 0:t[a]=e[r+3];case 1:t[0|a+1-(s<<1)]=e[r+2];case 2:t[0|a+2-(s<<1)]=e[r+1];case 3:t[0|a+3-(s<<1)]=e[r];}if(!(o<d+(4-s))){for(c=4-s;c<l;c=0|c+4)n[0|a+c>>2]=e[r+c]<<24|e[r+c+1]<<16|e[r+c+2]<<8|e[r+c+3];switch(d){case 3:t[0|a+l+1]=e[r+l+2];case 2:t[0|a+l+2]=e[r+l+1];case 1:t[0|a+l+3]=e[r+l];}}},i=function(e,t,r,o,a,s){var d=void 0,l=s%4,c=(a+l)%4,u=a-c,p=new Uint8Array(n.readAsArrayBuffer(e.slice(o,o+a)));switch(l){case 0:t[s]=p[3];case 1:t[0|s+1-(l<<1)]=p[2];case 2:t[0|s+2-(l<<1)]=p[1];case 3:t[0|s+3-(l<<1)]=p[0];}if(!(a<c+(4-l))){for(d=4-l;d<u;d=0|d+4)r[0|s+d>>2]=p[d]<<24|p[d+1]<<16|p[d+2]<<8|p[d+3];switch(c){case 3:t[0|s+u+1]=p[u+2];case 2:t[0|s+u+2]=p[u+1];case 1:t[0|s+u+3]=p[u];}}};e.exports=function(e,n,a,s,d,l){if("string"==typeof e)return r(e,n,a,s,d,l);if(e instanceof Array)return o(e,n,a,s,d,l);if(t&&t.Buffer&&t.Buffer.isBuffer(e))return o(e,n,a,s,d,l);if(e instanceof ArrayBuffer)return o(new Uint8Array(e),n,a,s,d,l);if(e.buffer instanceof ArrayBuffer)return o(new Uint8Array(e.buffer,e.byteOffset,e.byteLength),n,a,s,d,l);if(e instanceof Blob)return i(e,n,a,s,d,l);throw new Error("Unsupported data type.")}},function(e,t,n){function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var o=n(0),i=n(1),a=i.toHex,s=function(){function e(){r(this,e),this._rusha=new o,this._rusha.resetState()}return e.prototype.update=function(e){return this._rusha.append(e),this},e.prototype.digest=function e(t){var e=this._rusha.rawEnd().buffer;if(!t)return e;if("hex"===t)return a(e);throw new Error("unsupported digest encoding")},e}();e.exports=function(){return new s}}])})},{}],168:[function(e,t,n){function r(e,t){for(var n in e)t[n]=e[n]}function o(e,t,n){return a(e,t,n)}var i=e("buffer"),a=i.Buffer;a.from&&a.alloc&&a.allocUnsafe&&a.allocUnsafeSlow?t.exports=i:(r(i,n),n.Buffer=o),r(a,o),o.from=function(e,t,n){if("number"==typeof e)throw new TypeError("Argument must not be a number");return a(e,t,n)},o.alloc=function(e,t,n){if("number"!=typeof e)throw new TypeError("Argument must be a number");var r=a(e);return void 0===t?r.fill(0):"string"==typeof n?r.fill(t,n):r.fill(t),r},o.allocUnsafe=function(e){if("number"!=typeof e)throw new TypeError("Argument must be a number");return a(e)},o.allocUnsafeSlow=function(e){if("number"!=typeof e)throw new TypeError("Argument must be a number");return i.SlowBuffer(e)}},{buffer:41}],169:[function(e,t){(function(e){t.exports=function(t,n){var r=[];t.on("data",function(e){r.push(e)}),t.once("end",function(){n&&n(null,e.concat(r)),n=null}),t.once("error",function(e){n&&n(e),n=null})}}).call(this,e("buffer").Buffer)},{buffer:41}],170:[function(e,t){(function(n){function r(e,t){if(e=Object.assign({maxRedirects:10},"string"==typeof e?{url:e}:e),t=d(t),e.url){const{hostname:t,port:n,protocol:r,auth:o,path:i}=c.parse(e.url);delete e.url,t||n||r||o?Object.assign(e,{hostname:t,port:n,protocol:r,auth:o,path:i}):e.path=i}const o={"accept-encoding":"gzip, deflate"};e.headers&&Object.keys(e.headers).forEach(t=>o[t.toLowerCase()]=e.headers[t]),e.headers=o;let p;e.body?p=e.json&&!u(e.body)?JSON.stringify(e.body):e.body:e.form&&(p="string"==typeof e.form?e.form:l.stringify(e.form),e.headers["content-type"]="application/x-www-form-urlencoded"),p&&(!e.method&&(e.method="POST"),!u(p)&&(e.headers["content-length"]=n.byteLength(p)),e.json&&!e.form&&(e.headers["content-type"]="application/json")),delete e.body,delete e.form,e.json&&(e.headers.accept="application/json"),e.method&&(e.method=e.method.toUpperCase());const f="https:"===e.protocol?s:a,h=f.request(e,n=>{if(300<=n.statusCode&&400>n.statusCode&&n.headers.location)return e.url=n.headers.location,delete e.headers.host,n.resume(),"POST"===e.method&&[301,302].includes(n.statusCode)&&(e.method="GET",delete e.headers["content-length"],delete e.headers["content-type"]),0==e.maxRedirects--?t(new Error("too many redirects")):r(e,t);const o="function"==typeof i&&"HEAD"!==e.method;t(null,o?i(n):n)});return h.on("timeout",()=>{h.abort(),t(new Error("Request timed out"))}),h.on("error",t),u(p)?p.on("error",t).pipe(h):h.end(p),h}t.exports=r;const o=e("simple-concat"),i=e("decompress-response"),a=e("http"),s=e("https"),d=e("once"),l=e("querystring"),c=e("url"),u=e=>null!==e&&"object"==typeof e&&"function"==typeof e.pipe;r.concat=(e,t)=>r(e,(n,r)=>n?t(n):void o(r,(n,o)=>{if(n)return t(n);if(e.json)try{o=JSON.parse(o.toString())}catch(e){return t(e,r,o)}t(null,r,o)})),["get","post","put","patch","head","delete"].forEach(e=>{r[e]=(t,n)=>("string"==typeof t&&(t={url:t}),r(Object.assign({method:e.toUpperCase()},t),n))})}).call(this,e("buffer").Buffer)},{buffer:41,"decompress-response":39,http:193,https:43,once:126,querystring:137,"simple-concat":169,url:220}],171:[function(e,t){(function(n){function r(e){var t=this;if(!(t instanceof r))return new r(e);if(t._id=l(4).toString("hex").slice(0,7),t._debug("new peer %o",e),e=Object.assign({allowHalfOpen:!1},e),c.Duplex.call(t,e),t.channelName=e.initiator?e.channelName||l(20).toString("hex"):null,t._isChromium="undefined"!=typeof window&&!!window.webkitRTCPeerConnection,t.initiator=e.initiator||!1,t.channelConfig=e.channelConfig||r.channelConfig,t.config=e.config||r.config,t.constraints=t._transformConstraints(e.constraints||r.constraints),t.offerConstraints=t._transformConstraints(e.offerConstraints||{}),t.answerConstraints=t._transformConstraints(e.answerConstraints||{}),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.destroyed=!1,t.connected=!1,t.remoteAddress=void 0,t.remoteFamily=void 0,t.remotePort=void 0,t.localAddress=void 0,t.localPort=void 0,t._wrtc=e.wrtc&&"object"==typeof e.wrtc?e.wrtc:s(),!t._wrtc)if("undefined"==typeof window)throw o("No WebRTC support: Specify `opts.wrtc` option in this environment","ERR_WEBRTC_SUPPORT");else throw o("No WebRTC support: Not a supported browser","ERR_WEBRTC_SUPPORT");t._pcReady=!1,t._channelReady=!1,t._iceComplete=!1,t._channel=null,t._pendingCandidates=[],t._isNegotiating=!1,t._batchedNegotiation=!1,t._queuedNegotiation=!1,t._sendersAwaitingStable=[],t._senderMap=new WeakMap,t._remoteTracks=[],t._remoteStreams=[],t._chunk=null,t._cb=null,t._interval=null,t._pc=new t._wrtc.RTCPeerConnection(t.config,t.constraints),t._isReactNativeWebrtc="number"==typeof t._pc._peerConnectionId,t._pc.oniceconnectionstatechange=function(){t._onIceStateChange()},t._pc.onicegatheringstatechange=function(){t._onIceStateChange()},t._pc.onsignalingstatechange=function(){t._onSignalingStateChange()},t._pc.onicecandidate=function(e){t._onIceCandidate(e)},t.initiator?t._setupData({channel:t._pc.createDataChannel(t.channelName,t.channelConfig)}):t._pc.ondatachannel=function(e){t._setupData(e)},"addTrack"in t._pc&&(t.streams&&t.streams.forEach(function(e){t.addStream(e)}),t._pc.ontrack=function(e){t._onTrack(e)}),t.initiator&&t._needsNegotiation(),t._onFinishBound=function(){t._onFinish()},t.once("finish",t._onFinishBound)}function o(e,t){var n=new Error(e);return n.code=t,n}function i(){}t.exports=r;var a=e("debug")("simple-peer"),s=e("get-browser-rtc"),d=e("inherits"),l=e("randombytes"),c=e("readable-stream"),u=65536;d(r,c.Duplex),r.WEBRTC_SUPPORT=!!s(),r.config={iceServers:[{urls:"stun:stun.l.google.com:19302"},{urls:"stun:global.stun.twilio.com:3478?transport=udp"}]},r.constraints={},r.channelConfig={},Object.defineProperty(r.prototype,"bufferSize",{get:function(){var e=this;return e._channel&&e._channel.bufferedAmount||0}}),r.prototype.address=function(){var e=this;return{port:e.localPort,family:"IPv4",address:e.localAddress}},r.prototype.signal=function(e){var t=this;if(t.destroyed)throw o("cannot signal after peer is destroyed","ERR_SIGNALING");if("string"==typeof e)try{e=JSON.parse(e)}catch(t){e={}}t._debug("signal()"),e.renegotiate&&(t._debug("got request to renegotiate"),t._needsNegotiation()),e.candidate&&(t._pc.remoteDescription&&t._pc.remoteDescription.type?t._addIceCandidate(e.candidate):t._pendingCandidates.push(e.candidate)),e.sdp&&t._pc.setRemoteDescription(new t._wrtc.RTCSessionDescription(e),function(){t.destroyed||(t._pendingCandidates.forEach(function(e){t._addIceCandidate(e)}),t._pendingCandidates=[],"offer"===t._pc.remoteDescription.type&&t._createAnswer())},function(e){t.destroy(o(e,"ERR_SET_REMOTE_DESCRIPTION"))}),e.sdp||e.candidate||e.renegotiate||t.destroy(o("signal() called with invalid signal data","ERR_SIGNALING"))},r.prototype._addIceCandidate=function(e){var t=this;try{t._pc.addIceCandidate(new t._wrtc.RTCIceCandidate(e),i,function(e){t.destroy(o(e,"ERR_ADD_ICE_CANDIDATE"))})}catch(e){t.destroy(o("error adding candidate: "+e.message,"ERR_ADD_ICE_CANDIDATE"))}},r.prototype.send=function(e){var t=this;t._channel.send(e)},r.prototype.addStream=function(e){var t=this;t._debug("addStream()"),e.getTracks().forEach(function(n){t.addTrack(n,e)})},r.prototype.addTrack=function(e,t){var n=this;n._debug("addTrack()");var r=n._pc.addTrack(e,t),o=n._senderMap.get(e)||new WeakMap;o.set(t,r),n._senderMap.set(e,o),n._needsNegotiation()},r.prototype.removeTrack=function(e,t){var n=this;n._debug("removeSender()");var r=n._senderMap.get(e),o=r?r.get(t):null;o||n.destroy(new Error("Cannot remove track that was never added."));try{n._pc.removeTrack(o)}catch(e){"NS_ERROR_UNEXPECTED"===e.name?n._sendersAwaitingStable.push(o):n.destroy(e)}},r.prototype.removeStream=function(e){var t=this;t._debug("removeSenders()"),e.getTracks().forEach(function(n){t.removeTrack(n,e)})},r.prototype._needsNegotiation=function(){var e=this;e._debug("_needsNegotiation");e._batchedNegotiation||(e._batchedNegotiation=!0,setTimeout(function(){e._batchedNegotiation=!1,e._debug("starting batched negotiation"),e.negotiate()},0))},r.prototype.negotiate=function(){var e=this;e.initiator?e._isNegotiating?(e._queuedNegotiation=!0,e._debug("already negotiating, queueing")):(e._debug("start negotiation"),e._createOffer()):(e._debug("requesting negotiation from initiator"),e.emit("signal",{renegotiate:!0})),e._isNegotiating=!0},r.prototype.destroy=function(e){var t=this;t._destroy(e,function(){})},r.prototype._destroy=function(e,t){var n=this;if(!n.destroyed){if(n._debug("destroy (error: %s)",e&&(e.message||e)),n.readable=n.writable=!1,n._readableState.ended||n.push(null),n._writableState.finished||n.end(),n.destroyed=!0,n.connected=!1,n._pcReady=!1,n._channelReady=!1,n._remoteTracks=null,n._remoteStreams=null,n._senderMap=null,clearInterval(n._interval),n._interval=null,n._chunk=null,n._cb=null,n._onFinishBound&&n.removeListener("finish",n._onFinishBound),n._onFinishBound=null,n._channel){try{n._channel.close()}catch(e){}n._channel.onmessage=null,n._channel.onopen=null,n._channel.onclose=null,n._channel.onerror=null}if(n._pc){try{n._pc.close()}catch(e){}n._pc.oniceconnectionstatechange=null,n._pc.onicegatheringstatechange=null,n._pc.onsignalingstatechange=null,n._pc.onicecandidate=null,"addTrack"in n._pc&&(n._pc.ontrack=null),n._pc.ondatachannel=null}n._pc=null,n._channel=null,e&&n.emit("error",e),n.emit("close"),t()}},r.prototype._setupData=function(e){var t=this;return e.channel?void(t._channel=e.channel,t._channel.binaryType="arraybuffer","number"==typeof t._channel.bufferedAmountLowThreshold&&(t._channel.bufferedAmountLowThreshold=u),t.channelName=t._channel.label,t._channel.onmessage=function(e){t._onChannelMessage(e)},t._channel.onbufferedamountlow=function(){t._onChannelBufferedAmountLow()},t._channel.onopen=function(){t._onChannelOpen()},t._channel.onclose=function(){t._onChannelClose()},t._channel.onerror=function(e){t.destroy(o(e,"ERR_DATA_CHANNEL"))}):t.destroy(o("Data channel event is missing `channel` property","ERR_DATA_CHANNEL"))},r.prototype._read=function(){},r.prototype._write=function(e,t,n){var r=this;if(r.destroyed)return n(o("cannot write after peer is destroyed","ERR_DATA_CHANNEL"));if(r.connected){try{r.send(e)}catch(e){return r.destroy(o(e,"ERR_DATA_CHANNEL"))}r._channel.bufferedAmount>u?(r._debug("start backpressure: bufferedAmount %d",r._channel.bufferedAmount),r._cb=n):n(null)}else r._debug("write before connect"),r._chunk=e,r._cb=n},r.prototype._onFinish=function(){function e(){setTimeout(function(){t.destroy()},1e3)}var t=this;t.destroyed||(t.connected?e():t.once("connect",e))},r.prototype._createOffer=function(){var e=this;e.destroyed||e._pc.createOffer(function(t){function n(){var n=e._pc.localDescription||t;e._debug("signal"),e.emit("signal",{type:n.type,sdp:n.sdp})}e.destroyed||(t.sdp=e.sdpTransform(t.sdp),e._pc.setLocalDescription(t,function(){e._debug("createOffer success");e.destroyed||(e.trickle||e._iceComplete?n():e.once("_iceComplete",n))},function(t){e.destroy(o(t,"ERR_SET_LOCAL_DESCRIPTION"))}))},function(t){e.destroy(o(t,"ERR_CREATE_OFFER"))},e.offerConstraints)},r.prototype._createAnswer=function(){var e=this;e.destroyed||e._pc.createAnswer(function(t){function n(){var n=e._pc.localDescription||t;e._debug("signal"),e.emit("signal",{type:n.type,sdp:n.sdp})}e.destroyed||(t.sdp=e.sdpTransform(t.sdp),e._pc.setLocalDescription(t,function(){e.destroyed||(e.trickle||e._iceComplete?n():e.once("_iceComplete",n))},function(t){e.destroy(o(t,"ERR_SET_LOCAL_DESCRIPTION"))}))},function(t){e.destroy(o(t,"ERR_CREATE_ANSWER"))},e.answerConstraints)},r.prototype._onIceStateChange=function(){var e=this;if(!e.destroyed){var t=e._pc.iceConnectionState,n=e._pc.iceGatheringState;e._debug("iceStateChange (connection: %s) (gathering: %s)",t,n),e.emit("iceStateChange",t,n),("connected"===t||"completed"===t)&&(e._pcReady=!0,e._maybeReady()),"failed"===t&&e.destroy(o("Ice connection failed.","ERR_ICE_CONNECTION_FAILURE")),"closed"===t&&e.destroy(new Error("Ice connection closed."))}},r.prototype.getStats=function(e){var t=this;0===t._pc.getStats.length?t._pc.getStats().then(function(t){var n=[];t.forEach(function(e){n.push(e)}),e(null,n)},function(t){e(t)}):t._isReactNativeWebrtc?t._pc.getStats(null,function(t){var n=[];t.forEach(function(e){n.push(e)}),e(null,n)},function(t){e(t)}):0<t._pc.getStats.length?t._pc.getStats(function(n){if(!t.destroyed){var r=[];n.result().forEach(function(e){var t={};e.names().forEach(function(n){t[n]=e.stat(n)}),t.id=e.id,t.type=e.type,t.timestamp=e.timestamp,r.push(t)}),e(null,r)}},function(t){e(t)}):e(null,[])},r.prototype._maybeReady=function(){function e(){t.destroyed||t.getStats(function(n,r){function i(e){l=!0;var n=s[e.localCandidateId];n&&n.ip?(t.localAddress=n.ip,t.localPort=+n.port):n&&n.ipAddress?(t.localAddress=n.ipAddress,t.localPort=+n.portNumber):"string"==typeof e.googLocalAddress&&(n=e.googLocalAddress.split(":"),t.localAddress=n[0],t.localPort=+n[1]);var r=a[e.remoteCandidateId];r&&r.ip?(t.remoteAddress=r.ip,t.remotePort=+r.port):r&&r.ipAddress?(t.remoteAddress=r.ipAddress,t.remotePort=+r.portNumber):"string"==typeof e.googRemoteAddress&&(r=e.googRemoteAddress.split(":"),t.remoteAddress=r[0],t.remotePort=+r[1]),t.remoteFamily="IPv4",t._debug("connect local: %s:%s remote: %s:%s",t.localAddress,t.localPort,t.remoteAddress,t.remotePort)}if(!t.destroyed){n&&(r=[]);var a={},s={},d={},l=!1;if(r.forEach(function(e){("remotecandidate"===e.type||"remote-candidate"===e.type)&&(a[e.id]=e),("localcandidate"===e.type||"local-candidate"===e.type)&&(s[e.id]=e),("candidatepair"===e.type||"candidate-pair"===e.type)&&(d[e.id]=e)}),r.forEach(function(e){"transport"===e.type&&e.selectedCandidatePairId&&i(d[e.selectedCandidatePairId]),("googCandidatePair"===e.type&&"true"===e.googActiveConnection||("candidatepair"===e.type||"candidate-pair"===e.type)&&e.selected)&&i(e)}),!l&&(!Object.keys(d).length||Object.keys(s).length))return void setTimeout(e,100);if(t._connecting=!1,t.connected=!0,t._chunk){try{t.send(t._chunk)}catch(e){return t.destroy(o(e,"ERR_DATA_CHANNEL"))}t._chunk=null,t._debug("sent chunk from \"write before connect\"");var c=t._cb;t._cb=null,c(null)}"number"!=typeof t._channel.bufferedAmountLowThreshold&&(t._interval=setInterval(function(){t._onInterval()},150),t._interval.unref&&t._interval.unref()),t._debug("connect"),t.emit("connect")}})}var t=this;t._debug("maybeReady pc %s channel %s",t._pcReady,t._channelReady);t.connected||t._connecting||!t._pcReady||!t._channelReady||(t._connecting=!0,e())},r.prototype._onInterval=function(){var e=this;e._cb&&e._channel&&!(e._channel.bufferedAmount>u)&&e._onChannelBufferedAmountLow()},r.prototype._onSignalingStateChange=function(){var e=this;e.destroyed||("stable"===e._pc.signalingState&&(e._isNegotiating=!1,e._debug("flushing sender queue",e._sendersAwaitingStable),e._sendersAwaitingStable.forEach(function(t){e.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._debug("signalingStateChange %s",e._pc.signalingState),e.emit("signalingStateChange",e._pc.signalingState))},r.prototype._onIceCandidate=function(e){var t=this;t.destroyed||(e.candidate&&t.trickle?t.emit("signal",{candidate:{candidate:e.candidate.candidate,sdpMLineIndex:e.candidate.sdpMLineIndex,sdpMid:e.candidate.sdpMid}}):!e.candidate&&(t._iceComplete=!0,t.emit("_iceComplete")))},r.prototype._onChannelMessage=function(e){var t=this;if(!t.destroyed){var r=e.data;r instanceof ArrayBuffer&&(r=n.from(r)),t.push(r)}},r.prototype._onChannelBufferedAmountLow=function(){var e=this;if(!e.destroyed&&e._cb){e._debug("ending backpressure: bufferedAmount %d",e._channel.bufferedAmount);var t=e._cb;e._cb=null,t(null)}},r.prototype._onChannelOpen=function(){var e=this;e.connected||e.destroyed||(e._debug("on channel open"),e._channelReady=!0,e._maybeReady())},r.prototype._onChannelClose=function(){var e=this;e.destroyed||(e._debug("on channel close"),e.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=this,t=[].slice.call(arguments);t[0]="["+e._id+"] "+t[0],a.apply(null,t)},r.prototype._transformConstraints=function(e){var t=this;if(0===Object.keys(e).length)return e;if((e.mandatory||e.optional)&&!t._isChromium){var n=Object.assign({},e.optional,e.mandatory);return void 0!==n.OfferToReceiveVideo&&(n.offerToReceiveVideo=n.OfferToReceiveVideo,delete n.OfferToReceiveVideo),void 0!==n.OfferToReceiveAudio&&(n.offerToReceiveAudio=n.OfferToReceiveAudio,delete n.OfferToReceiveAudio),n}return e.mandatory||e.optional||!t._isChromium?e:(void 0!==e.offerToReceiveVideo&&(e.OfferToReceiveVideo=e.offerToReceiveVideo,delete e.offerToReceiveVideo),void 0!==e.offerToReceiveAudio&&(e.OfferToReceiveAudio=e.offerToReceiveAudio,delete e.offerToReceiveAudio),{mandatory:e})}}).call(this,e("buffer").Buffer)},{buffer:41,debug:62,"get-browser-rtc":77,inherits:80,randombytes:139,"readable-stream":180}],172:[function(e,t,n){arguments[4][15][0].apply(n,arguments)},{"./_stream_readable":174,"./_stream_writable":176,"core-util-is":60,dup:15,inherits:80,"process-nextick-args":131}],173:[function(e,t,n){arguments[4][16][0].apply(n,arguments)},{"./_stream_transform":175,"core-util-is":60,dup:16,inherits:80}],174:[function(e,t,n){arguments[4][17][0].apply(n,arguments)},{"./_stream_duplex":172,"./internal/streams/BufferList":177,"./internal/streams/destroy":178,"./internal/streams/stream":179,_process:132,"core-util-is":60,dup:17,events:42,inherits:80,isarray:85,"process-nextick-args":131,"safe-buffer":168,"string_decoder/":209,util:39}],175:[function(e,t,n){arguments[4][18][0].apply(n,arguments)},{"./_stream_duplex":172,"core-util-is":60,dup:18,inherits:80}],176:[function(e,t,n){arguments[4][19][0].apply(n,arguments)},{"./_stream_duplex":172,"./internal/streams/destroy":178,"./internal/streams/stream":179,_process:132,"core-util-is":60,dup:19,inherits:80,"process-nextick-args":131,"safe-buffer":168,timers:212,"util-deprecate":223}],177:[function(e,t,n){arguments[4][20][0].apply(n,arguments)},{dup:20,"safe-buffer":168,util:39}],178:[function(e,t,n){arguments[4][21][0].apply(n,arguments)},{dup:21,"process-nextick-args":131}],179:[function(e,t,n){arguments[4][22][0].apply(n,arguments)},{dup:22,events:42}],180:[function(e,t,n){arguments[4][23][0].apply(n,arguments)},{"./lib/_stream_duplex.js":172,"./lib/_stream_passthrough.js":173,"./lib/_stream_readable.js":174,"./lib/_stream_transform.js":175,"./lib/_stream_writable.js":176,dup:23}],181:[function(e,t){function n(e){return s.digest(e)}function r(e,t){return c?void("string"==typeof e&&(e=o(e)),c.digest({name:"sha-1"},e).then(function(e){t(i(new Uint8Array(e)))},function(){t(n(e))})):void setTimeout(t,0,n(e))}function o(e){for(var t=e.length,n=new Uint8Array(t),r=0;r<t;r++)n[r]=e.charCodeAt(r);return n}function i(e){for(var t=e.length,n=[],r=0,o;r<t;r++)o=e[r],n.push((o>>>4).toString(16)),n.push((15&o).toString(16));return n.join("")}var a=e("rusha"),s=new a,d="undefined"==typeof window?self:window,l=d.crypto||d.msCrypto||{},c=l.subtle||l.webkitSubtle;try{c.digest({name:"sha-1"},new Uint8Array).catch(function(){c=!1})}catch(e){c=!1}t.exports=r,t.exports.sync=n},{rusha:167}],182:[function(e,t){(function(n,r){function o(e){var t=this;if(!(t instanceof o))return new o(e);if(e||(e={}),"string"==typeof e&&(e={url:e}),null==e.url&&null==e.socket)throw new Error("Missing required `url` or `socket` option");if(null!=e.url&&null!=e.socket)throw new Error("Must specify either `url` or `socket` option, not both");if(t._id=s(4).toString("hex").slice(0,7),t._debug("new websocket: %o",e),e=Object.assign({allowHalfOpen:!1},e),d.Duplex.call(t,e),t.connected=!1,t.destroyed=!1,t._chunk=null,t._cb=null,t._interval=null,e.socket)t.url=e.socket.url,t._ws=e.socket;else{t.url=e.url;try{t._ws="function"==typeof l?new c(e.url,e):new c(e.url)}catch(e){return void n.nextTick(function(){t.destroy(e)})}}t._ws.binaryType="arraybuffer",t._ws.onopen=function(){t._onOpen()},t._ws.onmessage=function(e){t._onMessage(e)},t._ws.onclose=function(){t._onClose()},t._ws.onerror=function(){t.destroy(new Error("connection error to "+t.url))},t._onFinishBound=function(){t._onFinish()},t.once("finish",t._onFinishBound)}t.exports=o;var i=e("debug")("simple-websocket"),a=e("inherits"),s=e("randombytes"),d=e("readable-stream"),l=e("ws"),c="function"==typeof l?l:WebSocket,u=65536;a(o,d.Duplex),o.WEBSOCKET_SUPPORT=!!c,o.prototype.send=function(e){this._ws.send(e)},o.prototype.destroy=function(e){this._destroy(e,function(){})},o.prototype._destroy=function(e,t){var n=this;if(!n.destroyed){if(n._debug("destroy (error: %s)",e&&(e.message||e)),n.readable=n.writable=!1,n._readableState.ended||n.push(null),n._writableState.finished||n.end(),n.connected=!1,n.destroyed=!0,clearInterval(n._interval),n._interval=null,n._chunk=null,n._cb=null,n._onFinishBound&&n.removeListener("finish",n._onFinishBound),n._onFinishBound=null,n._ws){var r=n._ws,o=function(){r.onclose=null};if(r.readyState===c.CLOSED)o();else try{r.onclose=o,r.close()}catch(e){o()}r.onopen=null,r.onmessage=null,r.onerror=function(){}}if(n._ws=null,e){if("undefined"!=typeof DOMException&&e instanceof DOMException){var i=e.code;e=new Error(e.message),e.code=i}n.emit("error",e)}n.emit("close"),t()}},o.prototype._read=function(){},o.prototype._write=function(e,t,n){if(this.destroyed)return n(new Error("cannot write after socket is destroyed"));if(this.connected){try{this.send(e)}catch(e){return this.destroy(e)}"function"!=typeof l&&this._ws.bufferedAmount>u?(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},o.prototype._onFinish=function(){function e(){setTimeout(function(){t.destroy()},1e3)}var t=this;t.destroyed||(t.connected?e():t.once("connect",e))},o.prototype._onMessage=function(e){if(!this.destroyed){var t=e.data;t instanceof ArrayBuffer&&(t=r.from(t)),this.push(t)}},o.prototype._onOpen=function(){var e=this;if(!(e.connected||e.destroyed)){if(e.connected=!0,e._chunk){try{e.send(e._chunk)}catch(t){return e.destroy(t)}e._chunk=null,e._debug("sent chunk from \"write before connect\"");var t=e._cb;e._cb=null,t(null)}"function"!=typeof l&&(e._interval=setInterval(function(){e._onInterval()},150),e._interval.unref&&e._interval.unref()),e._debug("connect"),e.emit("connect")}},o.prototype._onInterval=function(){if(this._cb&&this._ws&&!(this._ws.bufferedAmount>u)){this._debug("ending backpressure: bufferedAmount %d",this._ws.bufferedAmount);var e=this._cb;this._cb=null,e(null)}},o.prototype._onClose=function(){this.destroyed||(this._debug("on close"),this.destroy())},o.prototype._debug=function(){var e=[].slice.call(arguments);e[0]="["+this._id+"] "+e[0],i.apply(null,e)}}).call(this,e("_process"),e("buffer").Buffer)},{_process:132,buffer:41,debug:62,inherits:80,randombytes:139,"readable-stream":191,ws:39}],183:[function(e,t,n){arguments[4][15][0].apply(n,arguments)},{"./_stream_readable":185,"./_stream_writable":187,"core-util-is":60,dup:15,inherits:80,"process-nextick-args":131}],184:[function(e,t,n){arguments[4][16][0].apply(n,arguments)},{"./_stream_transform":186,"core-util-is":60,dup:16,inherits:80}],185:[function(e,t,n){arguments[4][17][0].apply(n,arguments)},{"./_stream_duplex":183,"./internal/streams/BufferList":188,"./internal/streams/destroy":189,"./internal/streams/stream":190,_process:132,"core-util-is":60,dup:17,events:42,inherits:80,isarray:85,"process-nextick-args":131,"safe-buffer":168,"string_decoder/":209,util:39}],186:[function(e,t,n){arguments[4][18][0].apply(n,arguments)},{"./_stream_duplex":183,"core-util-is":60,dup:18,inherits:80}],187:[function(e,t,n){arguments[4][19][0].apply(n,arguments)},{"./_stream_duplex":183,"./internal/streams/destroy":189,"./internal/streams/stream":190,_process:132,"core-util-is":60,dup:19,inherits:80,"process-nextick-args":131,"safe-buffer":168,timers:212,"util-deprecate":223}],188:[function(e,t,n){arguments[4][20][0].apply(n,arguments)},{dup:20,"safe-buffer":168,util:39}],189:[function(e,t,n){arguments[4][21][0].apply(n,arguments)},{dup:21,"process-nextick-args":131}],190:[function(e,t,n){arguments[4][22][0].apply(n,arguments)},{dup:22,events:42}],191:[function(e,t,n){arguments[4][23][0].apply(n,arguments)},{"./lib/_stream_duplex.js":183,"./lib/_stream_passthrough.js":184,"./lib/_stream_readable.js":185,"./lib/_stream_transform.js":186,"./lib/_stream_writable.js":187,dup:23}],192:[function(e,t){var n=1,r=65535,o=4,i=function(){n=n+1&r},a;t.exports=function(e){a||(a=setInterval(i,0|1e3/o),a.unref&&a.unref());var t=o*(e||5),s=[0],d=1,l=n-1&r;return function(e){var i=n-l&r;for(i>t&&(i=t),l=n;i--;)d===t&&(d=0),s[d]=s[0===d?t-1:d-1],d++;e&&(s[d-1]+=e);var a=s[d-1],c=s.length<t?0:s[d===t?0:d];return s.length<o?a:(a-c)*o/s.length}}},{}],193:[function(e,t,n){(function(t){var r=e("./lib/request"),o=e("./lib/response"),i=e("xtend"),a=e("builtin-status-codes"),s=e("url"),d=n;d.request=function(e,n){e="string"==typeof e?s.parse(e):i(e);var o=-1===t.location.protocol.search(/^https?:$/)?"http:":"",a=e.protocol||o,d=e.hostname||e.host,l=e.port,c=e.path||"/";d&&-1!==d.indexOf(":")&&(d="["+d+"]"),e.url=(d?a+"//"+d:"")+(l?":"+l:"")+c,e.method=(e.method||"GET").toUpperCase(),e.headers=e.headers||{};var u=new r(e);return n&&u.on("response",n),u},d.get=function(e,t){var n=d.request(e,t);return n.end(),n},d.ClientRequest=r,d.IncomingMessage=o.IncomingMessage,d.Agent=function(){},d.Agent.defaultMaxSockets=4,d.globalAgent=new d.Agent,d.STATUS_CODES=a,d.METHODS=["CHECKOUT","CONNECT","COPY","DELETE","GET","HEAD","LOCK","M-SEARCH","MERGE","MKACTIVITY","MKCOL","MOVE","NOTIFY","OPTIONS","PATCH","POST","PROPFIND","PROPPATCH","PURGE","PUT","REPORT","SEARCH","SUBSCRIBE","TRACE","UNLOCK","UNSUBSCRIBE"]}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"./lib/request":195,"./lib/response":196,"builtin-status-codes":48,url:220,xtend:227}],194:[function(e,t,n){(function(e){function t(){if(s!==void 0)return s;if(e.XMLHttpRequest){s=new e.XMLHttpRequest;try{s.open("GET",e.XDomainRequest?"/":"https://example.com")}catch(t){s=null}}else s=null;return s}function r(e){var n=t();if(!n)return!1;try{return n.responseType=e,n.responseType===e}catch(t){}return!1}function o(e){return"function"==typeof e}n.fetch=o(e.fetch)&&o(e.ReadableStream),n.writableStream=o(e.WritableStream),n.abortController=o(e.AbortController),n.blobConstructor=!1;try{new Blob([new ArrayBuffer(1)]),n.blobConstructor=!0}catch(t){}var i="undefined"!=typeof e.ArrayBuffer,a=i&&o(e.ArrayBuffer.prototype.slice),s;n.arraybuffer=n.fetch||i&&r("arraybuffer"),n.msstream=!n.fetch&&a&&r("ms-stream"),n.mozchunkedarraybuffer=!n.fetch&&i&&r("moz-chunked-arraybuffer"),n.overrideMimeType=n.fetch||!!t()&&o(t().overrideMimeType),n.vbArray=o(e.VBArray),s=null}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{}],195:[function(e,t){(function(n,r,o){function i(e,t){return s.fetch&&t?"fetch":s.mozchunkedarraybuffer?"moz-chunked-arraybuffer":s.msstream?"ms-stream":s.arraybuffer&&e?"arraybuffer":s.vbArray&&e?"text:vbarray":"text"}function a(e){try{var t=e.status;return null!==t&&0!==t}catch(t){return!1}}var s=e("./capability"),d=e("inherits"),l=e("./response"),c=e("readable-stream"),u=e("to-arraybuffer"),p=l.IncomingMessage,f=l.readyStates,h=t.exports=function(e){var t=this;c.Writable.call(t),t._opts=e,t._body=[],t._headers={},e.auth&&t.setHeader("Authorization","Basic "+new o(e.auth).toString("base64")),Object.keys(e.headers).forEach(function(n){t.setHeader(n,e.headers[n])});var n=!0,r;if("disable-fetch"===e.mode||"requestTimeout"in e&&!s.abortController)n=!1,r=!0;else if("prefer-streaming"===e.mode)r=!1;else if("allow-wrong-content-type"===e.mode)r=!s.overrideMimeType;else if(!e.mode||"default"===e.mode||"prefer-fast"===e.mode)r=!0;else throw new Error("Invalid value for opts.mode");t._mode=i(r,n),t._fetchTimer=null,t.on("finish",function(){t._onFinish()})};d(h,c.Writable),h.prototype.setHeader=function(e,t){var n=this,r=e.toLowerCase();-1!==m.indexOf(r)||(n._headers[r]={name:e,value:t})},h.prototype.getHeader=function(e){var t=this._headers[e.toLowerCase()];return t?t.value:null},h.prototype.removeHeader=function(e){var t=this;delete t._headers[e.toLowerCase()]},h.prototype._onFinish=function(){var e=this;if(!e._destroyed){var t=e._opts,i=e._headers,a=null;"GET"!==t.method&&"HEAD"!==t.method&&(s.arraybuffer?a=u(o.concat(e._body)):s.blobConstructor?a=new r.Blob(e._body.map(function(e){return u(e)}),{type:(i["content-type"]||{}).value||""}):a=o.concat(e._body).toString());var d=[];if(Object.keys(i).forEach(function(e){var t=i[e].name,n=i[e].value;Array.isArray(n)?n.forEach(function(e){d.push([t,e])}):d.push([t,n])}),"fetch"===e._mode){var l=null;if(s.abortController){var c=new AbortController;l=c.signal,e._fetchAbortController=c,"requestTimeout"in t&&0!==t.requestTimeout&&(e._fetchTimer=r.setTimeout(function(){e.emit("requestTimeout"),e._fetchAbortController&&e._fetchAbortController.abort()},t.requestTimeout))}r.fetch(e._opts.url,{method:e._opts.method,headers:d,body:a||void 0,mode:"cors",credentials:t.withCredentials?"include":"same-origin",signal:l}).then(function(t){e._fetchResponse=t,e._connect()},function(t){r.clearTimeout(e._fetchTimer),e._destroyed||e.emit("error",t)})}else{var p=e._xhr=new r.XMLHttpRequest;try{p.open(e._opts.method,e._opts.url,!0)}catch(t){return void n.nextTick(function(){e.emit("error",t)})}"responseType"in p&&(p.responseType=e._mode.split(":")[0]),"withCredentials"in p&&(p.withCredentials=!!t.withCredentials),"text"===e._mode&&"overrideMimeType"in p&&p.overrideMimeType("text/plain; charset=x-user-defined"),"requestTimeout"in t&&(p.timeout=t.requestTimeout,p.ontimeout=function(){e.emit("requestTimeout")}),d.forEach(function(e){p.setRequestHeader(e[0],e[1])}),e._response=null,p.onreadystatechange=function(){switch(p.readyState){case f.LOADING:case f.DONE:e._onXHRProgress();}},"moz-chunked-arraybuffer"===e._mode&&(p.onprogress=function(){e._onXHRProgress()}),p.onerror=function(){e._destroyed||e.emit("error",new Error("XHR error"))};try{p.send(a)}catch(t){return void n.nextTick(function(){e.emit("error",t)})}}}},h.prototype._onXHRProgress=function(){var e=this;!a(e._xhr)||e._destroyed||(!e._response&&e._connect(),e._response._onXHRProgress())},h.prototype._connect=function(){var e=this;e._destroyed||(e._response=new p(e._xhr,e._fetchResponse,e._mode,e._fetchTimer),e._response.on("error",function(t){e.emit("error",t)}),e.emit("response",e._response))},h.prototype._write=function(e,t,n){var r=this;r._body.push(e),n()},h.prototype.abort=h.prototype.destroy=function(){var e=this;e._destroyed=!0,r.clearTimeout(e._fetchTimer),e._response&&(e._response._destroyed=!0),e._xhr?e._xhr.abort():e._fetchAbortController&&e._fetchAbortController.abort()},h.prototype.end=function(e,t,n){var r=this;"function"==typeof e&&(n=e,e=void 0),c.Writable.prototype.end.call(r,e,t,n)},h.prototype.flushHeaders=function(){},h.prototype.setTimeout=function(){},h.prototype.setNoDelay=function(){},h.prototype.setSocketKeepAlive=function(){};var m=["accept-charset","accept-encoding","access-control-request-headers","access-control-request-method","connection","content-length","cookie","cookie2","date","dnt","expect","host","keep-alive","origin","referer","te","trailer","transfer-encoding","upgrade","via"]}).call(this,e("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global,e("buffer").Buffer)},{"./capability":194,"./response":196,_process:132,buffer:41,inherits:80,"readable-stream":205,"to-arraybuffer":213}],196:[function(e,t,n){(function(t,r,o){var i=e("./capability"),a=e("inherits"),s=e("readable-stream"),d=n.readyStates={UNSENT:0,OPENED:1,HEADERS_RECEIVED:2,LOADING:3,DONE:4},l=n.IncomingMessage=function(e,n,a,d){var l=this;if(s.Readable.call(l),l._mode=a,l.headers={},l.rawHeaders=[],l.trailers={},l.rawTrailers=[],l.on("end",function(){t.nextTick(function(){l.emit("close")})}),"fetch"===a){function e(){u.read().then(function(t){return l._destroyed?void 0:t.done?(r.clearTimeout(d),void l.push(null)):void(l.push(new o(t.value)),e())}).catch(function(e){r.clearTimeout(d),l._destroyed||l.emit("error",e)})}if(l._fetchResponse=n,l.url=n.url,l.statusCode=n.status,l.statusMessage=n.statusText,n.headers.forEach(function(e,t){l.headers[t.toLowerCase()]=e,l.rawHeaders.push(t,e)}),i.writableStream){var c=new WritableStream({write:function(e){return new Promise(function(t,n){l._destroyed?n():l.push(new o(e))?t():l._resumeFetch=t})},close:function(){r.clearTimeout(d),l._destroyed||l.push(null)},abort:function(e){l._destroyed||l.emit("error",e)}});try{return void n.body.pipeTo(c).catch(function(e){r.clearTimeout(d),l._destroyed||l.emit("error",e)})}catch(t){}}var u=n.body.getReader();e()}else{l._xhr=e,l._pos=0,l.url=e.responseURL,l.statusCode=e.status,l.statusMessage=e.statusText;var p=e.getAllResponseHeaders().split(/\r?\n/);if(p.forEach(function(e){var t=e.match(/^([^:]+):\s*(.*)/);if(t){var n=t[1].toLowerCase();"set-cookie"===n?(void 0===l.headers[n]&&(l.headers[n]=[]),l.headers[n].push(t[2])):void 0===l.headers[n]?l.headers[n]=t[2]:l.headers[n]+=", "+t[2],l.rawHeaders.push(t[1],t[2])}}),l._charset="x-user-defined",!i.overrideMimeType){var f=l.rawHeaders["mime-type"];if(f){var h=f.match(/;\s*charset=([^;])(;|$)/);h&&(l._charset=h[1].toLowerCase())}l._charset||(l._charset="utf-8")}}};a(l,s.Readable),l.prototype._read=function(){var e=this,t=e._resumeFetch;t&&(e._resumeFetch=null,t())},l.prototype._onXHRProgress=function(){var t=this,e=t._xhr,n=null;switch(t._mode){case"text:vbarray":if(e.readyState!==d.DONE)break;try{n=new r.VBArray(e.responseBody).toArray()}catch(t){}if(null!==n){t.push(new o(n));break}case"text":try{n=e.responseText}catch(n){t._mode="text:vbarray";break}if(n.length>t._pos){var a=n.substr(t._pos);if("x-user-defined"===t._charset){for(var s=new o(a.length),l=0;l<a.length;l++)s[l]=255&a.charCodeAt(l);t.push(s)}else t.push(a,t._charset);t._pos=n.length}break;case"arraybuffer":if(e.readyState!==d.DONE||!e.response)break;n=e.response,t.push(new o(new Uint8Array(n)));break;case"moz-chunked-arraybuffer":if(n=e.response,e.readyState!==d.LOADING||!n)break;t.push(new o(new Uint8Array(n)));break;case"ms-stream":if(n=e.response,e.readyState!==d.LOADING)break;var c=new r.MSStreamReader;c.onprogress=function(){c.result.byteLength>t._pos&&(t.push(new o(new Uint8Array(c.result.slice(t._pos)))),t._pos=c.result.byteLength)},c.onload=function(){t.push(null)},c.readAsArrayBuffer(n);}t._xhr.readyState===d.DONE&&"ms-stream"!==t._mode&&t.push(null)}}).call(this,e("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global,e("buffer").Buffer)},{"./capability":194,_process:132,buffer:41,inherits:80,"readable-stream":205}],197:[function(e,t,n){arguments[4][15][0].apply(n,arguments)},{"./_stream_readable":199,"./_stream_writable":201,"core-util-is":60,dup:15,inherits:80,"process-nextick-args":131}],198:[function(e,t,n){arguments[4][16][0].apply(n,arguments)},{"./_stream_transform":200,"core-util-is":60,dup:16,inherits:80}],199:[function(e,t,n){arguments[4][17][0].apply(n,arguments)},{"./_stream_duplex":197,"./internal/streams/BufferList":202,"./internal/streams/destroy":203,"./internal/streams/stream":204,_process:132,"core-util-is":60,dup:17,events:42,inherits:80,isarray:85,"process-nextick-args":131,"safe-buffer":168,"string_decoder/":209,util:39}],200:[function(e,t,n){arguments[4][18][0].apply(n,arguments)},{"./_stream_duplex":197,"core-util-is":60,dup:18,inherits:80}],201:[function(e,t,n){arguments[4][19][0].apply(n,arguments)},{"./_stream_duplex":197,"./internal/streams/destroy":203,"./internal/streams/stream":204,_process:132,"core-util-is":60,dup:19,inherits:80,"process-nextick-args":131,"safe-buffer":168,timers:212,"util-deprecate":223}],202:[function(e,t,n){arguments[4][20][0].apply(n,arguments)},{dup:20,"safe-buffer":168,util:39}],203:[function(e,t,n){arguments[4][21][0].apply(n,arguments)},{dup:21,"process-nextick-args":131}],204:[function(e,t,n){arguments[4][22][0].apply(n,arguments)},{dup:22,events:42}],205:[function(e,t,n){arguments[4][23][0].apply(n,arguments)},{"./lib/_stream_duplex.js":197,"./lib/_stream_passthrough.js":198,"./lib/_stream_readable.js":199,"./lib/_stream_transform.js":200,"./lib/_stream_writable.js":201,dup:23}],206:[function(e,t){var n=e("stream-to-blob");t.exports=function e(t,r,o){return"function"==typeof r?e(t,null,r):void n(t,r,function(e,t){if(e)return o(e);var n=URL.createObjectURL(t);o(null,n)})}},{"stream-to-blob":207}],207:[function(e,t){var n=e("once");t.exports=function e(t,r,o){if("function"==typeof r)return e(t,null,r);o=n(o);var i=[];t.on("data",function(e){i.push(e)}).on("end",function(){var e=r?new Blob(i,{type:r}):new Blob(i);o(null,e)}).on("error",o)}},{once:126}],208:[function(e,t){(function(n){var r=e("once");t.exports=function(e,t,o){o=r(o);var i=n.alloc(t),a=0;e.on("data",function(e){e.copy(i,a),a+=e.length}).on("end",function(){o(null,i)}).on("error",o)}}).call(this,e("buffer").Buffer)},{buffer:41,once:126}],209:[function(e,t,n){"use strict";function r(e){if(!e)return"utf8";for(var t;;)switch(e){case"utf8":case"utf-8":return"utf8";case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return"utf16le";case"latin1":case"binary":return"latin1";case"base64":case"ascii":case"hex":return e;default:if(t)return;e=(""+e).toLowerCase(),t=!0;}}function o(e){var t=r(e);if("string"!=typeof t&&(g.isEncoding===_||!_(e)))throw new Error("Unknown encoding: "+e);return t||e}function i(e){this.encoding=o(e);var t;switch(this.encoding){case"utf16le":this.text=c,this.end=u,t=4;break;case"utf8":this.fillLast=l,t=4;break;case"base64":this.text=p,this.end=f,t=3;break;default:return this.write=h,void(this.end=m);}this.lastNeed=0,this.lastTotal=0,this.lastChar=g.allocUnsafe(t)}function a(e){if(127>=e)return 0;return 6==e>>5?2:14==e>>4?3:30==e>>3?4:2==e>>6?-1:-2}function s(e,t,n){var r=t.length-1;if(r<n)return 0;var o=a(t[r]);return 0<=o?(0<o&&(e.lastNeed=o-1),o):--r<n||-2===o?0:(o=a(t[r]),0<=o)?(0<o&&(e.lastNeed=o-2),o):--r<n||-2===o?0:(o=a(t[r]),0<=o?(0<o&&(2===o?o=0:e.lastNeed=o-3),o):0)}function d(e,t){if(128!=(192&t[0]))return e.lastNeed=0,"\uFFFD";if(1<e.lastNeed&&1<t.length){if(128!=(192&t[1]))return e.lastNeed=1,"\uFFFD";if(2<e.lastNeed&&2<t.length&&128!=(192&t[2]))return e.lastNeed=2,"\uFFFD"}}function l(e){var t=this.lastTotal-this.lastNeed,n=d(this,e,t);return void 0===n?this.lastNeed<=e.length?(e.copy(this.lastChar,t,0,this.lastNeed),this.lastChar.toString(this.encoding,0,this.lastTotal)):void(e.copy(this.lastChar,t,0,e.length),this.lastNeed-=e.length):n}function c(e,t){if(0==(e.length-t)%2){var n=e.toString("utf16le",t);if(n){var r=n.charCodeAt(n.length-1);if(55296<=r&&56319>=r)return this.lastNeed=2,this.lastTotal=4,this.lastChar[0]=e[e.length-2],this.lastChar[1]=e[e.length-1],n.slice(0,-1)}return n}return this.lastNeed=1,this.lastTotal=2,this.lastChar[0]=e[e.length-1],e.toString("utf16le",t,e.length-1)}function u(e){var t=e&&e.length?this.write(e):"";if(this.lastNeed){var n=this.lastTotal-this.lastNeed;return t+this.lastChar.toString("utf16le",0,n)}return t}function p(e,t){var r=(e.length-t)%3;return 0==r?e.toString("base64",t):(this.lastNeed=3-r,this.lastTotal=3,1==r?this.lastChar[0]=e[e.length-1]:(this.lastChar[0]=e[e.length-2],this.lastChar[1]=e[e.length-1]),e.toString("base64",t,e.length-r))}function f(e){var t=e&&e.length?this.write(e):"";return this.lastNeed?t+this.lastChar.toString("base64",0,3-this.lastNeed):t}function h(e){return e.toString(this.encoding)}function m(e){return e&&e.length?this.write(e):""}var g=e("safe-buffer").Buffer,_=g.isEncoding||function(e){switch(e=""+e,e&&e.toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":case"raw":return!0;default:return!1;}};n.StringDecoder=i,i.prototype.write=function(e){if(0===e.length)return"";var t,n;if(this.lastNeed){if(t=this.fillLast(e),void 0===t)return"";n=this.lastNeed,this.lastNeed=0}else n=0;return n<e.length?t?t+this.text(e,n):this.text(e,n):t||""},i.prototype.end=function(e){var t=e&&e.length?this.write(e):"";return this.lastNeed?t+"\uFFFD":t},i.prototype.text=function(e,t){var n=s(this,e,t);if(!this.lastNeed)return e.toString("utf8",t);this.lastTotal=n;var r=e.length-(n-this.lastNeed);return e.copy(this.lastChar,0,r),e.toString("utf8",t,r)},i.prototype.fillLast=function(e){return this.lastNeed<=e.length?(e.copy(this.lastChar,this.lastTotal-this.lastNeed,0,this.lastNeed),this.lastChar.toString(this.encoding,0,this.lastTotal)):void(e.copy(this.lastChar,this.lastTotal-this.lastNeed,0,e.length),this.lastNeed-=e.length)}},{"safe-buffer":168}],210:[function(e,t,n){var r=e("./thirty-two");n.encode=r.encode,n.decode=r.decode},{"./thirty-two":211}],211:[function(e,t,n){(function(e){"use strict";function t(e){var t=r(e.length/5);return 0==e.length%5?t:t+1}var a=[255,255,26,27,28,29,30,31,255,255,255,255,255,255,255,255,255,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,255,255,255,255,255,255,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,255,255,255,255,255];n.encode=function(n){e.isBuffer(n)||(n=new e(n));for(var r=0,o=0,a=0,s=0,d=new e(8*t(n));r<n.length;){var l=n[r];3<a?(s=l&255>>a,a=(a+5)%8,s=s<<a|(r+1<n.length?n[r+1]:0)>>8-a,r++):(s=31&l>>8-(a+5),a=(a+5)%8,0===a&&r++),d[o]="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567".charCodeAt(s),o++}for(r=o;r<d.length;r++)d[r]=61;return d},n.decode=function(t){var n=0,r=0,s=0,d;e.isBuffer(t)||(t=new e(t));for(var l=new e(o(5*t.length/8)),c=0;c<t.length&&!(61===t[c]);c++){var u=t[c]-48;if(u<a.length)r=a[u],3>=n?(n=(n+5)%8,0==n?(d|=r,l[s]=d,s++,d=0):d|=255&r<<8-n):(n=(n+5)%8,d|=255&r>>>n,l[s]=d,s++,d=255&r<<8-n);else throw new Error("Invalid input - it is not base32 encoded string")}return l.slice(0,s)}}).call(this,e("buffer").Buffer)},{buffer:41}],212:[function(e,t,n){(function(t,r){function o(e,t){this._id=e,this._clearFn=t}var i=e("process/browser.js").nextTick,a=Function.prototype.apply,s=Array.prototype.slice,d={},l=0;n.setTimeout=function(){return new o(a.call(setTimeout,window,arguments),clearTimeout)},n.setInterval=function(){return new o(a.call(setInterval,window,arguments),clearInterval)},n.clearTimeout=n.clearInterval=function(e){e.close()},o.prototype.unref=o.prototype.ref=function(){},o.prototype.close=function(){this._clearFn.call(window,this._id)},n.enroll=function(e,t){clearTimeout(e._idleTimeoutId),e._idleTimeout=t},n.unenroll=function(e){clearTimeout(e._idleTimeoutId),e._idleTimeout=-1},n._unrefActive=n.active=function(e){clearTimeout(e._idleTimeoutId);var t=e._idleTimeout;0<=t&&(e._idleTimeoutId=setTimeout(function(){e._onTimeout&&e._onTimeout()},t))},n.setImmediate="function"==typeof t?t:function(e){var t=l++,r=!(2>arguments.length)&&s.call(arguments,1);return d[t]=!0,i(function(){d[t]&&(r?e.apply(null,r):e.call(null),n.clearImmediate(t))}),t},n.clearImmediate="function"==typeof r?r:function(e){delete d[e]}}).call(this,e("timers").setImmediate,e("timers").clearImmediate)},{"process/browser.js":132,timers:212}],213:[function(e,t){var n=e("buffer").Buffer;t.exports=function(e){if(e instanceof Uint8Array){if(0===e.byteOffset&&e.byteLength===e.buffer.byteLength)return e.buffer;if("function"==typeof e.buffer.slice)return e.buffer.slice(e.byteOffset,e.byteOffset+e.byteLength)}if(n.isBuffer(e)){for(var t=new Uint8Array(e.length),r=e.length,o=0;o<r;o++)t[o]=e[o];return t.buffer}throw new Error("Argument must be a Buffer")}},{buffer:41}],214:[function(e,t){(function(n){const o=e("debug")("torrent-discovery"),i=e("bittorrent-dht/client"),a=e("events").EventEmitter,s=e("run-parallel"),d=e("bittorrent-tracker/client");t.exports=class extends a{constructor(e){if(super(),!e.peerId)throw new Error("Option `peerId` is required");if(!e.infoHash)throw new Error("Option `infoHash` is required");if(!n.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||900000,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 t=(e,t)=>{const n=new i(t);return n.on("warning",this._onWarning),n.on("error",this._onError),n.listen(e),this._internalDHT=!0,n};!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||"function"!=typeof i?null:e.dht&&"function"==typeof e.dht.addNode?e.dht:e.dht&&"object"==typeof e.dht?t(e.dhtPort,e.dht):t(e.dhtPort),this.dht&&(this.dht.on("peer",this._onDHTPeer),this._dhtAnnounce())}updatePort(e){e===this._port||(this._port=e,this.dht&&this._dhtAnnounce(),this.tracker&&(this.tracker.stop(),this.tracker.destroy(()=>{this.tracker=this._createTracker()})))}complete(e){this.tracker&&this.tracker.complete(e)}destroy(e){if(!this.destroyed){this.destroyed=!0,clearTimeout(this._dhtTimeout);const t=[];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),t.push(e=>{this.tracker.destroy(e)})),this.dht&&this.dht.removeListener("peer",this._onDHTPeer),this._internalDHT&&(this.dht.removeListener("warning",this._onWarning),this.dht.removeListener("error",this._onError),t.push(e=>{this.dht.destroy(e)})),s(t,e),this.dht=null,this.tracker=null,this._announce=null}}_createTracker(){const e=Object.assign({},this._trackerOpts,{infoHash:this.infoHash,announce:this._announce,peerId:this.peerId,port:this._port,userAgent:this._userAgent}),t=new d(e);return t.on("warning",this._onWarning),t.on("error",this._onError),t.on("peer",this._onTrackerPeer),t.on("update",this._onTrackerAnnounce),t.setInterval(this._intervalMs),t.start(),t}_dhtAnnounce(){this._dhtAnnouncing||(o("dht announce"),this._dhtAnnouncing=!0,clearTimeout(this._dhtTimeout),this.dht.announce(this.infoHash,this._port,e=>{this._dhtAnnouncing=!1,o("dht announce complete"),e&&this.emit("warning",e),this.emit("dhtAnnounce"),this.destroyed||(this._dhtTimeout=setTimeout(()=>{this._dhtAnnounce()},this._intervalMs+r(Math.random()*this._intervalMs/5)),this._dhtTimeout.unref&&this._dhtTimeout.unref())}))}}}).call(this,e("_process"))},{_process:132,"bittorrent-dht/client":39,"bittorrent-tracker/client":24,debug:62,events:42,"run-parallel":166}],215:[function(e,t){(function(e){const n=16384;class r{constructor(e){this.length=e,this.missing=e,this.sources=null,this._chunks=o(e/n),this._remainder=e%n||n,this._buffered=0,this._buffer=null,this._cancellations=null,this._reservations=0,this._flushed=!1}chunkLength(e){return e===this._chunks-1?this._remainder:n}chunkLengthRemaining(e){return this.length-e*n}chunkOffset(e){return e*n}reserve(){return this.init()?this._cancellations.length?this._cancellations.pop():this._reservations<this._chunks?this._reservations++:-1:-1}reserveRemaining(){if(!this.init())return-1;if(this._reservations<this._chunks){const e=this._reservations;return this._reservations=this._chunks,e}return-1}cancel(e){this.init()&&this._cancellations.push(e)}cancelRemaining(e){this.init()&&(this._reservations=e)}get(e){return this.init()?this._buffer[e]:null}set(e,t,r){if(!this.init())return!1;const i=t.length,a=o(i/n);for(let o=0;o<a;o++)if(!this._buffer[e+o]){const i=o*n,a=t.slice(i,i+n);this._buffered++,this._buffer[e+o]=a,this.missing-=a.length,this.sources.includes(r)||this.sources.push(r)}return this._buffered===this._chunks}flush(){if(!this._buffer||this._chunks!==this._buffered)return null;const t=e.concat(this._buffer,this.length);return this._buffer=null,this._cancellations=null,this.sources=null,this._flushed=!0,t}init(){return!this._flushed&&(!!this._buffer||(this._buffer=Array(this._chunks),this._cancellations=[],this.sources=[],!0))}}Object.defineProperty(r,"BLOCK_LENGTH",{value:16384}),t.exports=r}).call(this,e("buffer").Buffer)},{buffer:41}],216:[function(e,t){(function(n){var r=e("is-typedarray").strict;t.exports=function(e){if(r(e)){var t=n.from(e.buffer);return e.byteLength!==e.buffer.byteLength&&(t=t.slice(e.byteOffset,e.byteOffset+e.byteLength)),t}return n.from(e)}}).call(this,e("buffer").Buffer)},{buffer:41,"is-typedarray":84}],217:[function(e,t,n){var o=e("buffer-alloc"),i=4294967296;n.encodingLength=function(){return 8},n.encode=function(e,t,n){t||(t=o(8)),n||(n=0);var a=r(e/i);return t.writeUInt32BE(a,n),t.writeUInt32BE(e-a*i,n+4),t},n.decode=function(e,t){t||(t=0);var n=e.readUInt32BE(t),r=e.readUInt32BE(t+4);return n*i+r},n.encode.bytes=8,n.decode.bytes=8},{"buffer-alloc":45}],218:[function(e,t){"use strict";function n(e,t){for(var n=1,r=e.length,o=e[0],s=e[0],d=1;d<r;++d)if(s=o,o=e[d],t(o,s)){if(d===n){n++;continue}e[n++]=o}return e.length=n,e}function r(e){for(var t=1,n=e.length,r=e[0],o=e[0],s=1;s<n;++s,o=r)if(o=r,r=e[s],r!==o){if(s===t){t++;continue}e[t++]=r}return e.length=t,e}t.exports=function(e,t,o){return 0===e.length?e:t?(o||e.sort(t),n(e,t)):(o||e.sort(),r(e))}},{}],219:[function(e,t){t.exports=function(e,t){if(!(t>=e.length||0>t)){var n=e.pop();if(t<e.length){var r=e[t];return e[t]=n,r}return n}}},{}],220:[function(e,t,n){"use strict";function r(){this.protocol=null,this.slashes=null,this.auth=null,this.host=null,this.port=null,this.hostname=null,this.hash=null,this.search=null,this.query=null,this.pathname=null,this.path=null,this.href=null}function o(e,t,n){if(e&&d.isObject(e)&&e instanceof r)return e;var o=new r;return o.parse(e,t,n),o}var a=e("punycode"),d=e("./util");n.parse=o,n.resolve=function(e,t){return o(e,!1,!0).resolve(t)},n.resolveObject=function(e,t){return e?o(e,!1,!0).resolveObject(t):t},n.format=function(e){return d.isString(e)&&(e=o(e)),e instanceof r?e.format():r.prototype.format.call(e)},n.Url=r;var c=/^([a-z0-9.+-]+:)/i,i=/:[0-9]*$/,s=/^(\/\/?(?!\/)[^\?\s]*)(\?[^\s]*)?$/,l=["{","}","|","\\","^","`"].concat(["<",">","\"","`"," ","\r","\n","\t"]),u=["'"].concat(l),p=["%","/","?",";","#"].concat(u),f=["/","?","#"],h=/^[+a-z0-9A-Z_-]{0,63}$/,m=/^([+a-z0-9A-Z_-]{0,63})(.*)$/,g={javascript:!0,"javascript:":!0},_={javascript:!0,"javascript:":!0},b={http:!0,https:!0,ftp:!0,gopher:!0,file:!0,"http:":!0,"https:":!0,"ftp:":!0,"gopher:":!0,"file:":!0},y=e("querystring");r.prototype.parse=function(e,t,n){if(!d.isString(e))throw new TypeError("Parameter 'url' must be a string, not "+typeof e);var r=e.indexOf("?"),o=-1!==r&&r<e.indexOf("#")?"?":"#",w=e.split(o),x=/\\/g;w[0]=w[0].replace(x,"/"),e=w.join(o);var S=e;if(S=S.trim(),!n&&1===e.split("#").length){var v=s.exec(S);if(v)return this.path=S,this.href=S,this.pathname=v[1],v[2]?(this.search=v[2],this.query=t?y.parse(this.search.substr(1)):this.search.substr(1)):t&&(this.search="",this.query={}),this}var E=c.exec(S);if(E){E=E[0];var C=E.toLowerCase();this.protocol=C,S=S.substr(E.length)}if(n||E||S.match(/^\/\/[^@\/]+@[^@\/]+/)){var L="//"===S.substr(0,2);L&&!(E&&_[E])&&(S=S.substr(2),this.slashes=!0)}if(!_[E]&&(L||E&&!b[E])){for(var B=-1,I=0,T;I<f.length;I++)T=S.indexOf(f[I]),-1!==T&&(-1===B||T<B)&&(B=T);var R,A;A=-1===B?S.lastIndexOf("@"):S.lastIndexOf("@",B),-1!==A&&(R=S.slice(0,A),S=S.slice(A+1),this.auth=decodeURIComponent(R)),B=-1;for(var I=0,T;I<p.length;I++)T=S.indexOf(p[I]),-1!==T&&(-1===B||T<B)&&(B=T);-1===B&&(B=S.length),this.host=S.slice(0,B),S=S.slice(B),this.parseHost(),this.hostname=this.hostname||"";var U="["===this.hostname[0]&&"]"===this.hostname[this.hostname.length-1];if(!U)for(var P=this.hostname.split(/\./),I=0,M=P.length,O;I<M;I++)if(O=P[I],O&&!O.match(h)){for(var N="",H=0,q=O.length;H<q;H++)N+=127<O.charCodeAt(H)?"x":O[H];if(!N.match(h)){var k=P.slice(0,I),D=P.slice(I+1),F=O.match(m);F&&(k.push(F[1]),D.unshift(F[2])),D.length&&(S="/"+D.join(".")+S),this.hostname=k.join(".");break}}this.hostname=255<this.hostname.length?"":this.hostname.toLowerCase(),U||(this.hostname=a.toASCII(this.hostname));var W=this.port?":"+this.port:"",z=this.hostname||"";this.host=z+W,this.href+=this.host,U&&(this.hostname=this.hostname.substr(1,this.hostname.length-2),"/"!==S[0]&&(S="/"+S))}if(!g[C])for(var I=0,M=u.length,V;I<M;I++)if(V=u[I],-1!==S.indexOf(V)){var G=encodeURIComponent(V);G===V&&(G=escape(V)),S=S.split(V).join(G)}var K=S.indexOf("#");-1!==K&&(this.hash=S.substr(K),S=S.slice(0,K));var Y=S.indexOf("?");if(-1===Y?t&&(this.search="",this.query={}):(this.search=S.substr(Y),this.query=S.substr(Y+1),t&&(this.query=y.parse(this.query)),S=S.slice(0,Y)),S&&(this.pathname=S),b[C]&&this.hostname&&!this.pathname&&(this.pathname="/"),this.pathname||this.search){var W=this.pathname||"",X=this.search||"";this.path=W+X}return this.href=this.format(),this},r.prototype.format=function(){var e=this.auth||"";e&&(e=encodeURIComponent(e),e=e.replace(/%3A/i,":"),e+="@");var t=this.protocol||"",n=this.pathname||"",r=this.hash||"",o=!1,i="";this.host?o=e+this.host:this.hostname&&(o=e+(-1===this.hostname.indexOf(":")?this.hostname:"["+this.hostname+"]"),this.port&&(o+=":"+this.port)),this.query&&d.isObject(this.query)&&Object.keys(this.query).length&&(i=y.stringify(this.query));var a=this.search||i&&"?"+i||"";return t&&":"!==t.substr(-1)&&(t+=":"),this.slashes||(!t||b[t])&&!1!=o?(o="//"+(o||""),n&&"/"!==n.charAt(0)&&(n="/"+n)):!o&&(o=""),r&&"#"!==r.charAt(0)&&(r="#"+r),a&&"?"!==a.charAt(0)&&(a="?"+a),n=n.replace(/[?#]/g,function(e){return encodeURIComponent(e)}),a=a.replace("#","%23"),t+o+n+a+r},r.prototype.resolve=function(e){return this.resolveObject(o(e,!1,!0)).format()},r.prototype.resolveObject=function(e){if(d.isString(e)){var t=new r;t.parse(e,!1,!0),e=t}for(var n=new r,o=Object.keys(this),a=0,l;a<o.length;a++)l=o[a],n[l]=this[l];if(n.hash=e.hash,""===e.href)return n.href=n.format(),n;if(e.slashes&&!e.protocol){for(var c=Object.keys(e),u=0,f;u<c.length;u++)f=c[u],"protocol"!==f&&(n[f]=e[f]);return b[n.protocol]&&n.hostname&&!n.pathname&&(n.path=n.pathname="/"),n.href=n.format(),n}if(e.protocol&&e.protocol!==n.protocol){if(!b[e.protocol]){for(var h=Object.keys(e),m=0,g;m<h.length;m++)g=h[m],n[g]=e[g];return n.href=n.format(),n}if(n.protocol=e.protocol,!e.host&&!_[e.protocol]){for(var y=(e.pathname||"").split("/");y.length&&!(e.host=y.shift()););e.host||(e.host=""),e.hostname||(e.hostname=""),""!==y[0]&&y.unshift(""),2>y.length&&y.unshift(""),n.pathname=y.join("/")}else n.pathname=e.pathname;if(n.search=e.search,n.query=e.query,n.host=e.host||"",n.auth=e.auth,n.hostname=e.hostname||e.host,n.port=e.port,n.pathname||n.search){var w=n.pathname||"",p=n.search||"";n.path=w+p}return n.slashes=n.slashes||e.slashes,n.href=n.format(),n}var s=n.pathname&&"/"===n.pathname.charAt(0),x=e.host||e.pathname&&"/"===e.pathname.charAt(0),S=x||s||n.host&&e.pathname,E=S,C=n.pathname&&n.pathname.split("/")||[],y=e.pathname&&e.pathname.split("/")||[],L=n.protocol&&!b[n.protocol];if(L&&(n.hostname="",n.port=null,n.host&&(""===C[0]?C[0]=n.host:C.unshift(n.host)),n.host="",e.protocol&&(e.hostname=null,e.port=null,e.host&&(""===y[0]?y[0]=e.host:y.unshift(e.host)),e.host=null),S=S&&(""===y[0]||""===C[0])),x)n.host=e.host||""===e.host?e.host:n.host,n.hostname=e.hostname||""===e.hostname?e.hostname:n.hostname,n.search=e.search,n.query=e.query,C=y;else if(y.length)C||(C=[]),C.pop(),C=C.concat(y),n.search=e.search,n.query=e.query;else if(!d.isNullOrUndefined(e.search)){if(L){n.hostname=n.host=C.shift();var B=!!(n.host&&0<n.host.indexOf("@"))&&n.host.split("@");B&&(n.auth=B.shift(),n.host=n.hostname=B.shift())}return n.search=e.search,n.query=e.query,d.isNull(n.pathname)&&d.isNull(n.search)||(n.path=(n.pathname?n.pathname:"")+(n.search?n.search:"")),n.href=n.format(),n}if(!C.length)return n.pathname=null,n.path=n.search?"/"+n.search:null,n.href=n.format(),n;for(var I=C.slice(-1)[0],T=(n.host||e.host||1<C.length)&&("."===I||".."===I)||""===I,R=0,A=C.length;0<=A;A--)I=C[A],"."===I?C.splice(A,1):".."===I?(C.splice(A,1),R++):R&&(C.splice(A,1),R--);if(!S&&!E)for(;R--;R)C.unshift("..");S&&""!==C[0]&&(!C[0]||"/"!==C[0].charAt(0))&&C.unshift(""),T&&"/"!==C.join("/").substr(-1)&&C.push("");var U=""===C[0]||C[0]&&"/"===C[0].charAt(0);if(L){n.hostname=n.host=U?"":C.length?C.shift():"";var B=!!(n.host&&0<n.host.indexOf("@"))&&n.host.split("@");B&&(n.auth=B.shift(),n.host=n.hostname=B.shift())}return S=S||n.host&&C.length,S&&!U&&C.unshift(""),C.length?n.pathname=C.join("/"):(n.pathname=null,n.path=null),d.isNull(n.pathname)&&d.isNull(n.search)||(n.path=(n.pathname?n.pathname:"")+(n.search?n.search:"")),n.auth=e.auth||n.auth,n.slashes=n.slashes||e.slashes,n.href=n.format(),n},r.prototype.parseHost=function(){var e=this.host,t=i.exec(e);t&&(t=t[0],":"!==t&&(this.port=t.substr(1)),e=e.substr(0,e.length-t.length)),e&&(this.hostname=e)}},{"./util":221,punycode:134,querystring:137}],221:[function(e,t){"use strict";t.exports={isString:function(e){return"string"==typeof e},isObject:function(e){return"object"==typeof e&&null!==e},isNull:function(e){return null===e},isNullOrUndefined:function(e){return null==e}}},{}],222:[function(e,t){(function(n){const{EventEmitter:r}=e("events"),i=e("bencode"),a=e("bitfield"),s=e("debug")("ut_metadata"),d=e("simple-sha1"),l=1E3,c=16384;t.exports=e=>{class t extends r{constructor(t){super(),this._wire=t,this._fetching=!1,this._metadataComplete=!1,this._metadataSize=null,this._remainingRejects=null,this._bitfield=new a(0,{grow:l}),n.isBuffer(e)&&this.setMetadata(e)}onHandshake(e){this._infoHash=e}onExtendedHandshake(e){return e.m&&e.m.ut_metadata?e.metadata_size?"number"!=typeof e.metadata_size||1E7<e.metadata_size||0>=e.metadata_size?this.emit("warning",new Error("Peer gave invalid metadata size")):void(this._metadataSize=e.metadata_size,this._numPieces=o(this._metadataSize/c),this._remainingRejects=2*this._numPieces,this._fetching&&this._requestPieces()):this.emit("warning",new Error("Peer does not have metadata")):this.emit("warning",new Error("Peer does not support ut_metadata"))}onMessage(e){let t,n;try{const r=e.toString(),o=r.indexOf("ee")+2;t=i.decode(r.substring(0,o)),n=e.slice(o)}catch(e){return}switch(t.msg_type){case 0:this._onRequest(t.piece);break;case 1:this._onData(t.piece,n,t.total_size);break;case 2:this._onReject(t.piece);}}fetch(){this._metadataComplete||(this._fetching=!0,this._metadataSize&&this._requestPieces())}cancel(){this._fetching=!1}setMetadata(e){if(this._metadataComplete)return!0;s("set metadata");try{const t=i.decode(e).info;t&&(e=i.encode(t))}catch(e){}return!(this._infoHash&&this._infoHash!==d.sync(e))&&(this.cancel(),this.metadata=e,this._metadataComplete=!0,this._metadataSize=this.metadata.length,this._wire.extendedHandshake.metadata_size=this._metadataSize,this.emit("metadata",i.encode({info:i.decode(this.metadata)})),!0)}_send(e,t){let r=i.encode(e);n.isBuffer(t)&&(r=n.concat([r,t])),this._wire.extended("ut_metadata",r)}_request(e){this._send({msg_type:0,piece:e})}_data(e,t,n){const r={msg_type:1,piece:e};"number"==typeof n&&(r.total_size=n),this._send(r,t)}_reject(e){this._send({msg_type:2,piece:e})}_onRequest(e){if(!this._metadataComplete)return void this._reject(e);const t=e*c;let n=t+c;n>this._metadataSize&&(n=this._metadataSize);const r=this.metadata.slice(t,n);this._data(e,r,this._metadataSize)}_onData(e,t){t.length>c||(t.copy(this.metadata,e*c),this._bitfield.set(e),this._checkDone())}_onReject(e){0<this._remainingRejects&&this._fetching?(this._request(e),this._remainingRejects-=1):this.emit("warning",new Error("Peer sent \"reject\" too much"))}_requestPieces(){this.metadata=n.alloc(this._metadataSize);for(let e=0;e<this._numPieces;e++)this._request(e)}_checkDone(){let e=!0;for(let t=0;t<this._numPieces;t++)if(!this._bitfield.get(t)){e=!1;break}if(e){const e=this.setMetadata(this.metadata);e||this._failedMetadata()}}_failedMetadata(){this._bitfield=new a(0,{grow:l}),this._remainingRejects-=this._numPieces,0<this._remainingRejects?this._requestPieces():this.emit("warning",new Error("Peer sent invalid metadata"))}}return t.prototype.name="ut_metadata",t}}).call(this,e("buffer").Buffer)},{bencode:11,bitfield:13,buffer:41,debug:62,events:42,"simple-sha1":181}],223:[function(e,t){(function(e){function n(t){try{if(!e.localStorage)return!1}catch(e){return!1}var n=e.localStorage[t];return null!=n&&"true"===(n+"").toLowerCase()}t.exports=function(e,t){function r(){if(!o){if(n("throwDeprecation"))throw new Error(t);else n("traceDeprecation")?console.trace(t):console.warn(t);o=!0}return e.apply(this,arguments)}if(n("noDeprecation"))return e;var o=!1;return r}}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{}],224:[function(e,t){(function(n){function o(e){var t=this;d.call(t),t._tracks=[],t._fragmentSequence=1,t._file=e,t._decoder=null,t._findMoov(0)}function a(e,t){var n=this;n._entries=e,n._countName=t||"count",n._index=0,n._offset=0,n.value=n._entries[0]}function s(){return{version:0,flags:0,entries:[]}}var i=e("binary-search"),d=e("events").EventEmitter,l=e("inherits"),c=e("mp4-stream"),u=e("mp4-box-encoding"),p=e("range-slice-stream");t.exports=o,l(o,d),o.prototype._findMoov=function(e){var t=this;t._decoder&&t._decoder.destroy(),t._decoder=c.decode();var n=t._file.createReadStream({start:e});n.pipe(t._decoder),t._decoder.once("box",function(r){"moov"===r.type?t._decoder.decode(function(e){n.destroy();try{t._processMoov(e)}catch(e){e.message="Cannot parse mp4 file: "+e.message,t.emit("error",e)}}):(n.destroy(),t._findMoov(e+r.length))})},a.prototype.inc=function(){var e=this;e._offset++,e._offset>=e._entries[e._index][e._countName]&&(e._index++,e._offset=0),e.value=e._entries[e._index]},o.prototype._processMoov=function(e){var t=this,r=e.traks;t._tracks=[],t._hasVideo=!1,t._hasAudio=!1;for(var o=0;o<r.length;o++){var d=r[o],l=d.mdia.minf.stbl,c=l.stsd.entries[0],p=d.mdia.hdlr.handlerType,f,h;if("vide"===p&&"avc1"===c.type){if(t._hasVideo)continue;t._hasVideo=!0,f="avc1",c.avcC&&(f+="."+c.avcC.mimeCodec),h="video/mp4; codecs=\""+f+"\""}else if("soun"===p&&"mp4a"===c.type){if(t._hasAudio)continue;t._hasAudio=!0,f="mp4a",c.esds&&c.esds.mimeCodec&&(f+="."+c.esds.mimeCodec),h="audio/mp4; codecs=\""+f+"\""}else continue;var m=[],g=0,_=0,b=0,y=0,w=0,k=0,x=new a(l.stts.entries),S=null;l.ctts&&(S=new a(l.ctts.entries));for(var v=0;;){var E=l.stsc.entries[w],C=l.stsz.entries[g],L=x.value.duration,B=S?S.value.compositionOffset:0,I=!0;l.stss&&(I=l.stss.entries[v]===g+1);var T=l.stco||l.co64;if(m.push({size:C,duration:L,dts:k,presentationOffset:B,sync:I,offset:y+T.entries[b]}),g++,g>=l.stsz.entries.length)break;if(_++,y+=C,_>=E.samplesPerChunk){_=0,y=0,b++;var R=l.stsc.entries[w+1];R&&b+1>=R.firstChunk&&w++}k+=L,x.inc(),S&&S.inc(),I&&v++}d.mdia.mdhd.duration=0,d.tkhd.duration=0;var A=E.sampleDescriptionId,U={type:"moov",mvhd:e.mvhd,traks:[{tkhd:d.tkhd,mdia:{mdhd:d.mdia.mdhd,hdlr:d.mdia.hdlr,elng:d.mdia.elng,minf:{vmhd:d.mdia.minf.vmhd,smhd:d.mdia.minf.smhd,dinf:d.mdia.minf.dinf,stbl:{stsd:l.stsd,stts:s(),ctts:s(),stsc:s(),stsz:s(),stco:s(),stss:s()}}}}],mvex:{mehd:{fragmentDuration:e.mvhd.duration},trexs:[{trackId:d.tkhd.trackId,defaultSampleDescriptionIndex:A,defaultSampleDuration:0,defaultSampleSize:0,defaultSampleFlags:0}]}};t._tracks.push({trackId:d.tkhd.trackId,timeScale:d.mdia.mdhd.timeScale,samples:m,currSample:null,currTime:null,moov:U,mime:h})}if(0===t._tracks.length)return void t.emit("error",new Error("no playable tracks"));e.mvhd.duration=0,t._ftyp={type:"ftyp",brand:"iso5",brandVersion:0,compatibleBrands:["iso5"]};var P=u.encode(t._ftyp),M=t._tracks.map(function(e){var t=u.encode(e.moov);return{mime:e.mime,init:n.concat([P,t])}});t.emit("ready",M)},o.prototype.seek=function(e){var t=this;if(!t._tracks)throw new Error("Not ready yet; wait for 'ready' event");t._fileStream&&(t._fileStream.destroy(),t._fileStream=null);var n=-1;if(t._tracks.map(function(r,o){function i(e){a.destroyed||a.box(e.moof,function(n){if(n)return t.emit("error",n);if(!a.destroyed){var s=r.inStream.slice(e.ranges);s.pipe(a.mediaData(e.length,function(e){if(e)return t.emit("error",e);if(!a.destroyed){var n=t._generateFragment(o);return n?void i(n):a.finalize()}}))}})}r.outStream&&r.outStream.destroy(),r.inStream&&(r.inStream.destroy(),r.inStream=null);var a=r.outStream=c.encode(),s=t._generateFragment(o,e);return s?void((-1===n||s.ranges[0].start<n)&&(n=s.ranges[0].start),i(s)):a.finalize()}),0<=n){var r=t._fileStream=t._file.createReadStream({start:n});t._tracks.forEach(function(e){e.inStream=new p(n,{highWaterMark:1e7}),r.pipe(e.inStream)})}return t._tracks.map(function(e){return e.outStream})},o.prototype._findSampleBefore=function(e,t){var n=this,o=n._tracks[e],a=r(o.timeScale*t),s=i(o.samples,a,function(e,n){var t=e.dts+e.presentationOffset;return t-n});for(-1===s?s=0:0>s&&(s=-s-2);!o.samples[s].sync;)s--;return s};o.prototype._generateFragment=function(e,t){var n=this,r=n._tracks[e],o;if(o=void 0===t?r.currSample:n._findSampleBefore(e,t),o>=r.samples.length)return null;for(var i=r.samples[o].dts,a=0,s=[],d=o,l;d<r.samples.length&&(l=r.samples[d],!(l.sync&&l.dts-i>=1*r.timeScale));d++){a+=l.size;var c=s.length-1;0>c||s[c].end!==l.offset?s.push({start:l.offset,end:l.offset+l.size}):s[c].end+=l.size}return r.currSample=d,{moof:n._generateMoof(e,o,d),ranges:s,length:a}},o.prototype._generateMoof=function(e,t,n){for(var r=this,o=r._tracks[e],i=[],a=0,s=t,d;s<n;s++)d=o.samples[s],0>d.presentationOffset&&(a=1),i.push({sampleDuration:d.duration,sampleSize:d.size,sampleFlags:d.sync?33554432:16842752,sampleCompositionTimeOffset:d.presentationOffset});var l={type:"moof",mfhd:{sequenceNumber:r._fragmentSequence++},trafs:[{tfhd:{flags:131072,trackId:o.trackId},tfdt:{baseMediaDecodeTime:o.samples[t].dts},trun:{flags:3841,dataOffset:8,entries:i,version:a}}]};return l.trafs[0].trun.dataOffset+=u.encodingLength(l),l}}).call(this,e("buffer").Buffer)},{"binary-search":12,buffer:41,events:42,inherits:80,"mp4-box-encoding":101,"mp4-stream":104,"range-slice-stream":140}],225:[function(e,t){function n(e,t,o){var i=this;return this instanceof n?void(o=o||{},i.detailedError=null,i._elem=t,i._elemWrapper=new r(t),i._waitingFired=!1,i._trackMeta=null,i._file=e,i._tracks=null,"none"!==i._elem.preload&&i._createMuxer(),i._onError=function(){i.detailedError=i._elemWrapper.detailedError,i.destroy()},i._onWaiting=function(){i._waitingFired=!0,i._muxer?i._tracks&&i._pump():i._createMuxer()},i._elem.addEventListener("waiting",i._onWaiting),i._elem.addEventListener("error",i._onError)):new n(e,t,o)}var r=e("mediasource"),o=e("pump"),i=e("./mp4-remuxer");t.exports=n,n.prototype._createMuxer=function(){var e=this;e._muxer=new i(e._file),e._muxer.on("ready",function(t){e._tracks=t.map(function(t){var n=e._elemWrapper.createWriteStream(t.mime);n.on("error",function(t){e._elemWrapper.error(t)});var r={muxed:null,mediaSource:n,initFlushed:!1,onInitFlushed:null};return n.write(t.init,function(e){r.initFlushed=!0,r.onInitFlushed&&r.onInitFlushed(e)}),r}),(e._waitingFired||"auto"===e._elem.preload)&&e._pump()}),e._muxer.on("error",function(t){e._elemWrapper.error(t)})},n.prototype._pump=function(){var e=this,t=e._muxer.seek(e._elem.currentTime,!e._tracks);e._tracks.forEach(function(n,r){var i=function(){n.muxed&&(n.muxed.destroy(),n.mediaSource=e._elemWrapper.createWriteStream(n.mediaSource),n.mediaSource.on("error",function(t){e._elemWrapper.error(t)})),n.muxed=t[r],o(n.muxed,n.mediaSource)};n.initFlushed?i():n.onInitFlushed=function(t){return t?void e._elemWrapper.error(t):void i()}})},n.prototype.destroy=function(){var e=this;e.destroyed||(e.destroyed=!0,e._elem.removeEventListener("waiting",e._onWaiting),e._elem.removeEventListener("error",e._onError),e._tracks&&e._tracks.forEach(function(e){e.muxed&&e.muxed.destroy()}),e._elem.src="")}},{"./mp4-remuxer":224,mediasource:88,pump:133}],226:[function(e,t){function n(e,t){function r(){for(var t=Array(arguments.length),n=0;n<t.length;n++)t[n]=arguments[n];var r=e.apply(this,t),o=t[t.length-1];return"function"==typeof r&&r!==o&&Object.keys(o).forEach(function(e){r[e]=o[e]}),r}if(e&&t)return n(e)(t);if("function"!=typeof e)throw new TypeError("need wrapper function");return Object.keys(e).forEach(function(t){r[t]=e[t]}),r}t.exports=n},{}],227:[function(e,t){t.exports=function(){for(var e={},t=0,r;t<arguments.length;t++)for(var o in r=arguments[t],r)n.call(r,o)&&(e[o]=r[o]);return e};var n=Object.prototype.hasOwnProperty},{}],228:[function(e,t){t.exports=function(e){for(var t=1,r;t<arguments.length;t++)for(var o in r=arguments[t],r)n.call(r,o)&&(e[o]=r[o]);return e};var n=Object.prototype.hasOwnProperty},{}],229:[function(e,t){t.exports={version:"0.102.4"}},{}],230:[function(e,t){(function(n,r){function o(e){return"object"==typeof e&&null!=e&&"function"==typeof e.pipe}function i(e){return"undefined"!=typeof FileList&&e instanceof FileList}const{Buffer:a}=e("safe-buffer"),{EventEmitter:s}=e("events"),d=e("simple-concat"),l=e("create-torrent"),c=e("debug")("webtorrent"),u=e("bittorrent-dht/client"),p=e("load-ip-set"),f=e("run-parallel"),h=e("parse-torrent"),m=e("path"),g=e("simple-peer"),_=e("randombytes"),b=e("speedometer"),y=e("./lib/tcp-pool"),w=e("./lib/torrent"),k=e("./package.json").version,x=k.replace(/\d*./g,e=>`0${e%100}`.slice(-2)).slice(0,4);class S extends s{constructor(e={}){super(),this.peerId="string"==typeof e.peerId?e.peerId:a.isBuffer(e.peerId)?e.peerId.toString("hex"):a.from(`-WW${x}-`+_(9).toString("base64")).toString("hex"),this.peerIdBuffer=a.from(this.peerId,"hex"),this.nodeId="string"==typeof e.nodeId?e.nodeId:a.isBuffer(e.nodeId)?e.nodeId.toString("hex"):_(20).toString("hex"),this.nodeIdBuffer=a.from(this.nodeId,"hex"),this._debugId=this.peerId.toString("hex").substring(0,7),this.destroyed=!1,this.listening=!1,this.torrentPort=e.torrentPort||0,this.dhtPort=e.dhtPort||0,this.tracker=e.tracker===void 0?{}:e.tracker,this.torrents=[],this.maxConns=+e.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={}),e.rtcConfig&&(console.warn("WebTorrent: opts.rtcConfig is deprecated. Use opts.tracker.rtcConfig instead"),this.tracker.rtcConfig=e.rtcConfig),e.wrtc&&(console.warn("WebTorrent: opts.wrtc is deprecated. Use opts.tracker.wrtc instead"),this.tracker.wrtc=e.wrtc),r.WRTC&&!this.tracker.wrtc&&(this.tracker.wrtc=r.WRTC)),"function"==typeof y?this._tcpPool=new y(this):n.nextTick(()=>{this._onListening()}),this._downloadSpeed=b(),this._uploadSpeed=b(),!1!==e.dht&&"function"==typeof u?(this.dht=new u(Object.assign({},{nodeId:this.nodeId},e.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!==e.webSeeds;const t=()=>{this.destroyed||(this.ready=!0,this.emit("ready"))};"function"==typeof p&&null!=e.blocklist?p(e.blocklist,{headers:{"user-agent":`WebTorrent/${k} (https://webtorrent.io)`}},(e,n)=>e?this.error(`Failed to load blocklist: ${e.message}`):void(this.blocked=n,t())):n.nextTick(t)}get downloadSpeed(){return this._downloadSpeed()}get uploadSpeed(){return this._uploadSpeed()}get progress(){const e=this.torrents.filter(e=>1!==e.progress),t=e.reduce((e,t)=>e+t.downloaded,0),n=e.reduce((e,t)=>e+(t.length||0),0)||1;return t/n}get ratio(){const e=this.torrents.reduce((e,t)=>e+t.uploaded,0),t=this.torrents.reduce((e,t)=>e+t.received,0)||1;return e/t}get(e){if(!(e instanceof w)){let t;try{t=h(e)}catch(e){}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}else if(this.torrents.includes(e))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){function r(){a.removeListener("_infoHash",o),a.removeListener("ready",i),a.removeListener("close",r)}if(this.destroyed)throw new Error("client is destroyed");"function"==typeof t&&([t,n]=[{},t]);const o=()=>{if(!this.destroyed)for(const e of this.torrents)if(e.infoHash===a.infoHash&&e!==a)return void a._destroy(new Error(`Cannot add duplicate torrent ${a.infoHash}`))},i=()=>{this.destroyed||("function"==typeof n&&n(a),this.emit("torrent",a))};this._debug("add"),t=t?Object.assign({},t):{};const a=new w(e,this,t);return this.torrents.push(a),a.once("_infoHash",o),a.once("ready",i),a.once("close",r),a}seed(e,t,n){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof t&&([t,n]=[{},t]),this._debug("seed"),t=t?Object.assign({},t):{},"string"==typeof e&&(t.path=m.dirname(e)),t.createdBy||(t.createdBy=`WebTorrent/${x}`);const r=e=>{this._debug("on seed"),"function"==typeof n&&n(e),e.emit("seed"),this.emit("seed",e)},a=this.add(null,t,e=>{const t=[t=>{e.load(s,t)}];this.dht&&t.push(t=>{e.once("dhtAnnounce",t)}),f(t,t=>this.destroyed?void 0:t?e._destroy(t):void r(e))});let s;return i(e)?e=Array.from(e):!Array.isArray(e)&&(e=[e]),f(e.map(e=>t=>{o(e)?d(e,t):t(null,e)}),(e,n)=>this.destroyed?void 0:e?a._destroy(e):void l.parseInput(n,t,(e,r)=>this.destroyed?void 0:e?a._destroy(e):void(s=r.map(e=>e.getStream),l(n,t,(e,t)=>{if(!this.destroyed){if(e)return a._destroy(e);const n=this.get(t);n?a._destroy(new Error(`Cannot add duplicate torrent ${n.infoHash}`)):a._onTorrentId(t)}})))),a}remove(e,t){this._debug("remove");const n=this.get(e);if(!n)throw new Error(`No torrent with id ${e}`);this._remove(e,t)}_remove(e,t){const n=this.get(e);n&&(this.torrents.splice(this.torrents.indexOf(n),1),n.destroy(t))}address(){return this.listening?this._tcpPool?this._tcpPool.server.address():{address:"0.0.0.0",family:"IPv4",port:0}:null}destroy(e){if(this.destroyed)throw new Error("client already destroyed");this._destroy(null,e)}_destroy(e,t){this._debug("client destroy"),this.destroyed=!0;const n=this.torrents.map(e=>t=>{e.destroy(t)});this._tcpPool&&n.push(e=>{this._tcpPool.destroy(e)}),this.dht&&n.push(e=>{this.dht.destroy(e)}),f(n,t),e&&this.emit("error",e),this.torrents=[],this._tcpPool=null,this.dht=null}_onListening(){if(this._debug("listening"),this.listening=!0,this._tcpPool){const e=this._tcpPool.server.address();e&&(this.torrentPort=e.port)}this.emit("listening")}_debug(){const e=[].slice.call(arguments);e[0]=`[${this._debugId}] ${e[0]}`,c(...e)}}S.WEBRTC_SUPPORT=g.WEBRTC_SUPPORT,S.VERSION=k,t.exports=S}).call(this,e("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"./lib/tcp-pool":39,"./lib/torrent":5,"./package.json":229,_process:132,"bittorrent-dht/client":39,"create-torrent":61,debug:62,events:42,"load-ip-set":39,"parse-torrent":128,path:129,randombytes:139,"run-parallel":166,"safe-buffer":168,"simple-concat":169,"simple-peer":171,speedometer:192}]},{},[230])(230)}); |