diff options
| author | semantic-release-bot <semantic-release-bot@martynus.net> | 2022-10-09 02:00:35 +0300 |
|---|---|---|
| committer | semantic-release-bot <semantic-release-bot@martynus.net> | 2022-10-09 02:00:35 +0300 |
| commit | c6c4fa864bb43d81c841aaf48d5d4e2997226ed6 (patch) | |
| tree | 7805ae986a0b515097219a67f55d9cc3982f358d | |
| parent | 34089f836bcb24df275f83b3026af548e32d02e9 (diff) | |
chore(release): 1.8.31v1.8.31
## [1.8.31](https://github.com/webtorrent/webtorrent/compare/v1.8.30...v1.8.31) (2022-10-08)
### Bug Fixes
* **deps:** update dependency bittorrent-dht to ^10.0.6 ([#2384](https://github.com/webtorrent/webtorrent/issues/2384)) ([34089f8](https://github.com/webtorrent/webtorrent/commit/34089f836bcb24df275f83b3026af548e32d02e9))
| -rw-r--r-- | AUTHORS.md | 1 | ||||
| -rw-r--r-- | CHANGELOG.md | 7 | ||||
| -rw-r--r-- | package.json | 2 | ||||
| -rw-r--r-- | webtorrent.chromeapp.js | 6 | ||||
| -rw-r--r-- | webtorrent.min.js | 2 |
5 files changed, 13 insertions, 5 deletions
@@ -204,5 +204,6 @@ - Nipuna Weerasekara (w.nipuna@gmail.com) - ThaUnknown (6506529+ThaUnknown@users.noreply.github.com) - tedd pasta (37799569+resession@users.noreply.github.com) +- Ilaygoldman (29836366+Ilaygoldman@users.noreply.github.com) #### Generated by scripts/update-authors.sh. diff --git a/CHANGELOG.md b/CHANGELOG.md index 8c77799..67b7259 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,10 @@ +## [1.8.31](https://github.com/webtorrent/webtorrent/compare/v1.8.30...v1.8.31) (2022-10-08) + + +### Bug Fixes + +* **deps:** update dependency bittorrent-dht to ^10.0.6 ([#2384](https://github.com/webtorrent/webtorrent/issues/2384)) ([34089f8](https://github.com/webtorrent/webtorrent/commit/34089f836bcb24df275f83b3026af548e32d02e9)) + ## [1.8.30](https://github.com/webtorrent/webtorrent/compare/v1.8.29...v1.8.30) (2022-09-12) diff --git a/package.json b/package.json index e740b99..0475272 100644 --- a/package.json +++ b/package.json @@ -1,7 +1,7 @@ { "name": "webtorrent", "description": "Streaming torrent client", - "version": "1.8.30", + "version": "1.8.31", "author": { "name": "WebTorrent LLC", "email": "feross@webtorrent.io", diff --git a/webtorrent.chromeapp.js b/webtorrent.chromeapp.js index 856721d..795d4a3 100644 --- a/webtorrent.chromeapp.js +++ b/webtorrent.chromeapp.js @@ -36,12 +36,12 @@ * Copyright(c) 2015 Andreas Lubbe * Copyright(c) 2015 Tiancheng "Timothy" Gu * MIT Licensed - */"use strict";function escapeHtml(string){var str=""+string,match=matchHtmlRegExp.exec(str);if(!match)return str;var html="",index=0,lastIndex=0,escape;for(index=match.index;index<str.length;index++){switch(str.charCodeAt(index)){case 34:escape=""";break;case 38:escape="&";break;case 39:escape="'";break;case 60:escape="<";break;case 62:escape=">";break;default:continue;}lastIndex!==index&&(html+=str.substring(lastIndex,index)),lastIndex=index+1,html+=escape}return lastIndex===index?html:html+str.substring(lastIndex,index)}var matchHtmlRegExp=/["'&<>]/;module.exports=escapeHtml},{}],156:[function(require,module,exports){"use strict";function ProcessEmitWarning(warning){console&&console.warn&&console.warn(warning)}function EventEmitter(){EventEmitter.init.call(this)}function checkListener(listener){if("function"!=typeof listener)throw new TypeError("The \"listener\" argument must be of type Function. 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INTRINSICS[name]=value,value},LEGACY_ALIASES={"%ArrayBufferPrototype%":["ArrayBuffer","prototype"],"%ArrayPrototype%":["Array","prototype"],"%ArrayProto_entries%":["Array","prototype","entries"],"%ArrayProto_forEach%":["Array","prototype","forEach"],"%ArrayProto_keys%":["Array","prototype","keys"],"%ArrayProto_values%":["Array","prototype","values"],"%AsyncFunctionPrototype%":["AsyncFunction","prototype"],"%AsyncGenerator%":["AsyncGeneratorFunction","prototype"],"%AsyncGeneratorPrototype%":["AsyncGeneratorFunction","prototype","prototype"],"%BooleanPrototype%":["Boolean","prototype"],"%DataViewPrototype%":["DataView","prototype"],"%DatePrototype%":["Date","prototype"],"%ErrorPrototype%":["Error","prototype"],"%EvalErrorPrototype%":["EvalError","prototype"],"%Float32ArrayPrototype%":["Float32Array","prototype"],"%Float64ArrayPrototype%":["Float64Array","prototype"],"%FunctionPrototype%":["Function","prototype"],"%Generator%":["GeneratorFunction","prototype"],"%GeneratorPrototype%":["GeneratorFunction","prototype","prototype"],"%Int8ArrayPrototype%":["Int8Array","prototype"],"%Int16ArrayPrototype%":["Int16Array","prototype"],"%Int32ArrayPrototype%":["Int32Array","prototype"],"%JSONParse%":["JSON","parse"],"%JSONStringify%":["JSON","stringify"],"%MapPrototype%":["Map","prototype"],"%NumberPrototype%":["Number","prototype"],"%ObjectPrototype%":["Object","prototype"],"%ObjProto_toString%":["Object","prototype","toString"],"%ObjProto_valueOf%":["Object","prototype","valueOf"],"%PromisePrototype%":["Promise","prototype"],"%PromiseProto_then%":["Promise","prototype","then"],"%Promise_all%":["Promise","all"],"%Promise_reject%":["Promise","reject"],"%Promise_resolve%":["Promise","resolve"],"%RangeErrorPrototype%":["RangeError","prototype"],"%ReferenceErrorPrototype%":["ReferenceError","prototype"],"%RegExpPrototype%":["RegExp","prototype"],"%SetPrototype%":["Set","prototype"],"%SharedArrayBufferPrototype%":["SharedArrayBuffer","prototype"],"%StringPrototype%":["String","prototype"],"%SymbolPrototype%":["Symbol","prototype"],"%SyntaxErrorPrototype%":["SyntaxError","prototype"],"%TypedArrayPrototype%":["TypedArray","prototype"],"%TypeErrorPrototype%":["TypeError","prototype"],"%Uint8ArrayPrototype%":["Uint8Array","prototype"],"%Uint8ClampedArrayPrototype%":["Uint8ClampedArray","prototype"],"%Uint16ArrayPrototype%":["Uint16Array","prototype"],"%Uint32ArrayPrototype%":["Uint32Array","prototype"],"%URIErrorPrototype%":["URIError","prototype"],"%WeakMapPrototype%":["WeakMap","prototype"],"%WeakSetPrototype%":["WeakSet","prototype"]},bind=require("function-bind"),hasOwn=require("has"),$concat=bind.call(Function.call,Array.prototype.concat),$spliceApply=bind.call(Function.apply,Array.prototype.splice),$replace=bind.call(Function.call,_Stringprototype.replace),$strSlice=bind.call(Function.call,_Stringprototype.slice),$exec=bind.call(Function.call,RegExp.prototype.exec),rePropName=/[^%.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|%$))/g,reEscapeChar=/\\(\\)?/g,stringToPath=function stringToPath(string){var first=$strSlice(string,0,1),last=$strSlice(string,-1);if("%"===first&&"%"!==last)throw new $SyntaxError("invalid intrinsic syntax, expected closing `%`");else if("%"===last&&"%"!==first)throw new $SyntaxError("invalid intrinsic syntax, expected opening `%`");var result=[];return $replace(string,rePropName,function(match,number,quote,subString){result[result.length]=quote?$replace(subString,reEscapeChar,"$1"):number||match}),result},getBaseIntrinsic=function getBaseIntrinsic(name,allowMissing){var intrinsicName=name,alias;if(hasOwn(LEGACY_ALIASES,intrinsicName)&&(alias=LEGACY_ALIASES[intrinsicName],intrinsicName="%"+alias[0]+"%"),hasOwn(INTRINSICS,intrinsicName)){var value=INTRINSICS[intrinsicName];if(value===needsEval&&(value=doEval(intrinsicName)),"undefined"==typeof value&&!allowMissing)throw new $TypeError("intrinsic "+name+" exists, but is not available. Please file an issue!");return{alias:alias,name:intrinsicName,value:value}}throw new $SyntaxError("intrinsic "+name+" does not exist!")};module.exports=function GetIntrinsic(name,allowMissing){if("string"!=typeof name||0===name.length)throw new $TypeError("intrinsic name must be a non-empty string");if(1<arguments.length&&"boolean"!=typeof allowMissing)throw new $TypeError("\"allowMissing\" argument must be a boolean");if(null===$exec(/^%?[^%]*%?$/g,name))throw new $SyntaxError("`%` may not be present anywhere but at the beginning and end of the intrinsic name");var parts=stringToPath(name),intrinsicBaseName=0<parts.length?parts[0]:"",intrinsic=getBaseIntrinsic("%"+intrinsicBaseName+"%",allowMissing),intrinsicRealName=intrinsic.name,value=intrinsic.value,skipFurtherCaching=!1,alias=intrinsic.alias;alias&&(intrinsicBaseName=alias[0],$spliceApply(parts,$concat([0,1],alias)));for(var i=1,isOwn=!0;i<parts.length;i+=1){var part=parts[i],first=$strSlice(part,0,1),last=$strSlice(part,-1);if(("\""===first||"'"===first||"`"===first||"\""===last||"'"===last||"`"===last)&&first!==last)throw new $SyntaxError("property names with quotes must have matching quotes");if("constructor"!==part&&isOwn||(skipFurtherCaching=!0),intrinsicBaseName+="."+part,intrinsicRealName="%"+intrinsicBaseName+"%",hasOwn(INTRINSICS,intrinsicRealName))value=INTRINSICS[intrinsicRealName];else if(null!=value){if(!(part in value)){if(!allowMissing)throw new $TypeError("base intrinsic for "+name+" exists, but the property is not available.");return}if($gOPD&&i+1>=parts.length){var desc=$gOPD(value,part);isOwn=!!desc,value=isOwn&&"get"in desc&&!("originalValue"in desc.get)?desc.get:value[part]}else isOwn=hasOwn(value,part),value=value[part];isOwn&&!skipFurtherCaching&&(INTRINSICS[intrinsicRealName]=value)}}return value}},{"function-bind":165,has:171,"has-symbols":168}],168:[function(require,module,exports){"use strict";var origSymbol="undefined"!=typeof Symbol&&Symbol,hasSymbolSham=require("./shams");module.exports=function hasNativeSymbols(){return!("function"!=typeof origSymbol)&&!("function"!=typeof Symbol)&&!("symbol"!=typeof origSymbol("foo"))&&!("symbol"!=typeof Symbol("bar"))&&hasSymbolSham()}},{"./shams":169}],169:[function(require,module,exports){"use strict";module.exports=function hasSymbols(){if("function"!=typeof Symbol||"function"!=typeof Object.getOwnPropertySymbols)return!1;if("symbol"==typeof Symbol.iterator)return!0;var obj={},sym=Symbol("test"),symObj=Object(sym);if("string"==typeof sym)return!1;if("[object Symbol]"!==Object.prototype.toString.call(sym))return!1;if("[object Symbol]"!==Object.prototype.toString.call(symObj))return!1;var symVal=42;for(sym in obj[sym]=42,obj)return!1;if("function"==typeof Object.keys&&0!==Object.keys(obj).length)return!1;if("function"==typeof Object.getOwnPropertyNames&&0!==Object.getOwnPropertyNames(obj).length)return!1;var syms=Object.getOwnPropertySymbols(obj);if(1!==syms.length||syms[0]!==sym)return!1;if(!Object.prototype.propertyIsEnumerable.call(obj,sym))return!1;if("function"==typeof Object.getOwnPropertyDescriptor){var descriptor=Object.getOwnPropertyDescriptor(obj,sym);if(42!==descriptor.value||!0!==descriptor.enumerable)return!1}return!0}},{}],170:[function(require,module,exports){"use strict";var hasSymbols=require("has-symbols/shams");module.exports=function hasToStringTagShams(){return hasSymbols()&&!!Symbol.toStringTag}},{"has-symbols/shams":169}],171:[function(require,module,exports){"use strict";var bind=require("function-bind");module.exports=bind.call(Function.call,Object.prototype.hasOwnProperty)},{"function-bind":165}],172:[function(require,module,exports){"use strict";function throwIfNotStringOrBuffer(val,prefix){if(!Buffer.isBuffer(val)&&"string"!=typeof val)throw new TypeError(prefix+" must be a string or a buffer")}function HashBase(blockSize){Transform.call(this),this._block=Buffer.allocUnsafe(blockSize),this._blockSize=blockSize,this._blockOffset=0,this._length=[0,0,0,0],this._finalized=!1}var Buffer=require("safe-buffer").Buffer,Transform=require("readable-stream").Transform,inherits=require("inherits");inherits(HashBase,Transform),HashBase.prototype._transform=function(chunk,encoding,callback){var error=null;try{this.update(chunk,encoding)}catch(err){error=err}callback(error)},HashBase.prototype._flush=function(callback){var error=null;try{this.push(this.digest())}catch(err){error=err}callback(error)},HashBase.prototype.update=function(data,encoding){if(throwIfNotStringOrBuffer(data,"Data"),this._finalized)throw new Error("Digest already called");Buffer.isBuffer(data)||(data=Buffer.from(data,encoding));for(var block=this._block,offset=0;this._blockOffset+data.length-offset>=this._blockSize;){for(var i=this._blockOffset;i<this._blockSize;)block[i++]=data[offset++];this._update(),this._blockOffset=0}for(;offset<data.length;)block[this._blockOffset++]=data[offset++];for(var j=0,carry=8*data.length;0<carry;++j)this._length[j]+=carry,carry=0|this._length[j]/4294967296,0<carry&&(this._length[j]-=4294967296*carry);return this},HashBase.prototype._update=function(){throw new Error("_update is not implemented")},HashBase.prototype.digest=function(encoding){if(this._finalized)throw new Error("Digest already called");this._finalized=!0;var digest=this._digest();encoding!==void 0&&(digest=digest.toString(encoding)),this._block.fill(0),this._blockOffset=0;for(var i=0;4>i;++i)this._length[i]=0;return digest},HashBase.prototype._digest=function(){throw new Error("_digest is not implemented")},module.exports=HashBase},{inherits:190,"readable-stream":281,"safe-buffer":290}],173:[function(require,module,exports){var hash=exports;hash.utils=require("./hash/utils"),hash.common=require("./hash/common"),hash.sha=require("./hash/sha"),hash.ripemd=require("./hash/ripemd"),hash.hmac=require("./hash/hmac"),hash.sha1=hash.sha.sha1,hash.sha256=hash.sha.sha256,hash.sha224=hash.sha.sha224,hash.sha384=hash.sha.sha384,hash.sha512=hash.sha.sha512,hash.ripemd160=hash.ripemd.ripemd160},{"./hash/common":174,"./hash/hmac":175,"./hash/ripemd":176,"./hash/sha":177,"./hash/utils":184}],174:[function(require,module,exports){"use strict";function BlockHash(){this.pending=null,this.pendingTotal=0,this.blockSize=this.constructor.blockSize,this.outSize=this.constructor.outSize,this.hmacStrength=this.constructor.hmacStrength,this.padLength=this.constructor.padLength/8,this.endian="big",this._delta8=this.blockSize/8,this._delta32=this.blockSize/32}var utils=require("./utils"),assert=require("minimalistic-assert");exports.BlockHash=BlockHash,BlockHash.prototype.update=function update(msg,enc){if(msg=utils.toArray(msg,enc),this.pending=this.pending?this.pending.concat(msg):msg,this.pendingTotal+=msg.length,this.pending.length>=this._delta8){msg=this.pending;var r=msg.length%this._delta8;this.pending=msg.slice(msg.length-r,msg.length),0===this.pending.length&&(this.pending=null),msg=utils.join32(msg,0,msg.length-r,this.endian);for(var i=0;i<msg.length;i+=this._delta32)this._update(msg,i,i+this._delta32)}return this},BlockHash.prototype.digest=function digest(enc){return this.update(this._pad()),assert(null===this.pending),this._digest(enc)},BlockHash.prototype._pad=function pad(){var len=this.pendingTotal,bytes=this._delta8,k=bytes-(len+this.padLength)%bytes,res=Array(k+this.padLength);res[0]=128;for(var i=1;i<k;i++)res[i]=0;if(len<<=3,"big"===this.endian){for(var t=8;t<this.padLength;t++)res[i++]=0;res[i++]=0,res[i++]=0,res[i++]=0,res[i++]=0,res[i++]=255&len>>>24,res[i++]=255&len>>>16,res[i++]=255&len>>>8,res[i++]=255&len}else for(res[i++]=255&len,res[i++]=255&len>>>8,res[i++]=255&len>>>16,res[i++]=255&len>>>24,res[i++]=0,res[i++]=0,res[i++]=0,res[i++]=0,t=8;t<this.padLength;t++)res[i++]=0;return res}},{"./utils":184,"minimalistic-assert":220}],175:[function(require,module,exports){"use strict";function Hmac(hash,key,enc){return this instanceof Hmac?void(this.Hash=hash,this.blockSize=hash.blockSize/8,this.outSize=hash.outSize/8,this.inner=null,this.outer=null,this._init(utils.toArray(key,enc))):new Hmac(hash,key,enc)}var utils=require("./utils"),assert=require("minimalistic-assert");module.exports=Hmac,Hmac.prototype._init=function init(key){key.length>this.blockSize&&(key=new this.Hash().update(key).digest()),assert(key.length<=this.blockSize);for(var i=key.length;i<this.blockSize;i++)key.push(0);for(i=0;i<key.length;i++)key[i]^=54;for(this.inner=new this.Hash().update(key),i=0;i<key.length;i++)key[i]^=106;this.outer=new this.Hash().update(key)},Hmac.prototype.update=function update(msg,enc){return this.inner.update(msg,enc),this},Hmac.prototype.digest=function digest(enc){return this.outer.update(this.inner.digest()),this.outer.digest(enc)}},{"./utils":184,"minimalistic-assert":220}],176:[function(require,module,exports){"use strict";function RIPEMD160(){return this instanceof RIPEMD160?void(BlockHash.call(this),this.h=[1732584193,4023233417,2562383102,271733878,3285377520],this.endian="little"):new RIPEMD160}function f(j,x,y,z){return 15>=j?x^y^z:31>=j?x&y|~x&z:47>=j?(x|~y)^z:63>=j?x&z|y&~z:x^(y|~z)}function K(j){return 15>=j?0:31>=j?1518500249:47>=j?1859775393:63>=j?2400959708:2840853838}function Kh(j){return 15>=j?1352829926:31>=j?1548603684:47>=j?1836072691:63>=j?2053994217:0}var utils=require("./utils"),common=require("./common"),rotl32=utils.rotl32,sum32=utils.sum32,sum32_3=utils.sum32_3,sum32_4=utils.sum32_4,BlockHash=common.BlockHash;utils.inherits(RIPEMD160,BlockHash),exports.ripemd160=RIPEMD160,RIPEMD160.blockSize=512,RIPEMD160.outSize=160,RIPEMD160.hmacStrength=192,RIPEMD160.padLength=64,RIPEMD160.prototype._update=function update(msg,start){for(var A=this.h[0],B=this.h[1],C=this.h[2],D=this.h[3],E=this.h[4],Ah=A,Bh=B,Ch=C,Dh=D,Eh=E,j=0,T;80>j;j++)T=sum32(rotl32(sum32_4(A,f(j,B,C,D),msg[r[j]+start],K(j)),s[j]),E),A=E,E=D,D=rotl32(C,10),C=B,B=T,T=sum32(rotl32(sum32_4(Ah,f(79-j,Bh,Ch,Dh),msg[rh[j]+start],Kh(j)),sh[j]),Eh),Ah=Eh,Eh=Dh,Dh=rotl32(Ch,10),Ch=Bh,Bh=T;T=sum32_3(this.h[1],C,Dh),this.h[1]=sum32_3(this.h[2],D,Eh),this.h[2]=sum32_3(this.h[3],E,Ah),this.h[3]=sum32_3(this.h[4],A,Bh),this.h[4]=sum32_3(this.h[0],B,Ch),this.h[0]=T},RIPEMD160.prototype._digest=function digest(enc){return"hex"===enc?utils.toHex32(this.h,"little"):utils.split32(this.h,"little")};var r=[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,7,4,13,1,10,6,15,3,12,0,9,5,2,14,11,8,3,10,14,4,9,15,8,1,2,7,0,6,13,11,5,12,1,9,11,10,0,8,12,4,13,3,7,15,14,5,6,2,4,0,5,9,7,12,2,10,14,1,3,8,11,6,15,13],rh=[5,14,7,0,9,2,11,4,13,6,15,8,1,10,3,12,6,11,3,7,0,13,5,10,14,15,8,12,4,9,1,2,15,5,1,3,7,14,6,9,11,8,12,2,10,0,4,13,8,6,4,1,3,11,15,0,5,12,2,13,9,7,10,14,12,15,10,4,1,5,8,7,6,2,13,14,0,3,9,11],s=[11,14,15,12,5,8,7,9,11,13,14,15,6,7,9,8,7,6,8,13,11,9,7,15,7,12,15,9,11,7,13,12,11,13,6,7,14,9,13,15,14,8,13,6,5,12,7,5,11,12,14,15,14,15,9,8,9,14,5,6,8,6,5,12,9,15,5,11,6,8,13,12,5,12,13,14,11,8,5,6],sh=[8,9,9,11,13,15,15,5,7,7,8,11,14,14,12,6,9,13,15,7,12,8,9,11,7,7,12,7,6,15,13,11,9,7,15,11,8,6,6,14,12,13,5,14,13,13,7,5,15,5,8,11,14,14,6,14,6,9,12,9,12,5,15,8,8,5,12,9,12,5,14,6,8,13,6,5,15,13,11,11]},{"./common":174,"./utils":184}],177:[function(require,module,exports){"use strict";exports.sha1=require("./sha/1"),exports.sha224=require("./sha/224"),exports.sha256=require("./sha/256"),exports.sha384=require("./sha/384"),exports.sha512=require("./sha/512")},{"./sha/1":178,"./sha/224":179,"./sha/256":180,"./sha/384":181,"./sha/512":182}],178:[function(require,module,exports){"use strict";function SHA1(){return this instanceof SHA1?void(BlockHash.call(this),this.h=[1732584193,4023233417,2562383102,271733878,3285377520],this.W=Array(80)):new SHA1}var utils=require("../utils"),common=require("../common"),shaCommon=require("./common"),rotl32=utils.rotl32,sum32=utils.sum32,sum32_5=utils.sum32_5,ft_1=shaCommon.ft_1,BlockHash=common.BlockHash,sha1_K=[1518500249,1859775393,2400959708,3395469782];utils.inherits(SHA1,BlockHash),module.exports=SHA1,SHA1.blockSize=512,SHA1.outSize=160,SHA1.hmacStrength=80,SHA1.padLength=64,SHA1.prototype._update=function _update(msg,start){for(var W=this.W,i=0;16>i;i++)W[i]=msg[start+i];for(;i<W.length;i++)W[i]=rotl32(W[i-3]^W[i-8]^W[i-14]^W[i-16],1);var a=this.h[0],b=this.h[1],c=this.h[2],d=this.h[3],e=this.h[4];for(i=0;i<W.length;i++){var s=~~(i/20),t=sum32_5(rotl32(a,5),ft_1(s,b,c,d),e,W[i],sha1_K[s]);e=d,d=c,c=rotl32(b,30),b=a,a=t}this.h[0]=sum32(this.h[0],a),this.h[1]=sum32(this.h[1],b),this.h[2]=sum32(this.h[2],c),this.h[3]=sum32(this.h[3],d),this.h[4]=sum32(this.h[4],e)},SHA1.prototype._digest=function digest(enc){return"hex"===enc?utils.toHex32(this.h,"big"):utils.split32(this.h,"big")}},{"../common":174,"../utils":184,"./common":183}],179:[function(require,module,exports){"use strict";function SHA224(){return this instanceof SHA224?void(SHA256.call(this),this.h=[3238371032,914150663,812702999,4144912697,4290775857,1750603025,1694076839,3204075428]):new SHA224}var utils=require("../utils"),SHA256=require("./256");utils.inherits(SHA224,SHA256),module.exports=SHA224,SHA224.blockSize=512,SHA224.outSize=224,SHA224.hmacStrength=192,SHA224.padLength=64,SHA224.prototype._digest=function digest(enc){return"hex"===enc?utils.toHex32(this.h.slice(0,7),"big"):utils.split32(this.h.slice(0,7),"big")}},{"../utils":184,"./256":180}],180:[function(require,module,exports){"use strict";function SHA256(){return this instanceof SHA256?void(BlockHash.call(this),this.h=[1779033703,3144134277,1013904242,2773480762,1359893119,2600822924,528734635,1541459225],this.k=sha256_K,this.W=Array(64)):new SHA256}var utils=require("../utils"),common=require("../common"),shaCommon=require("./common"),assert=require("minimalistic-assert"),sum32=utils.sum32,sum32_4=utils.sum32_4,sum32_5=utils.sum32_5,ch32=shaCommon.ch32,maj32=shaCommon.maj32,s0_256=shaCommon.s0_256,s1_256=shaCommon.s1_256,g0_256=shaCommon.g0_256,g1_256=shaCommon.g1_256,BlockHash=common.BlockHash,sha256_K=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298];utils.inherits(SHA256,BlockHash),module.exports=SHA256,SHA256.blockSize=512,SHA256.outSize=256,SHA256.hmacStrength=192,SHA256.padLength=64,SHA256.prototype._update=function _update(msg,start){for(var W=this.W,i=0;16>i;i++)W[i]=msg[start+i];for(;i<W.length;i++)W[i]=sum32_4(g1_256(W[i-2]),W[i-7],g0_256(W[i-15]),W[i-16]);var a=this.h[0],b=this.h[1],c=this.h[2],d=this.h[3],e=this.h[4],f=this.h[5],g=this.h[6],h=this.h[7];for(assert(this.k.length===W.length),i=0;i<W.length;i++){var T1=sum32_5(h,s1_256(e),ch32(e,f,g),this.k[i],W[i]),T2=sum32(s0_256(a),maj32(a,b,c));h=g,g=f,f=e,e=sum32(d,T1),d=c,c=b,b=a,a=sum32(T1,T2)}this.h[0]=sum32(this.h[0],a),this.h[1]=sum32(this.h[1],b),this.h[2]=sum32(this.h[2],c),this.h[3]=sum32(this.h[3],d),this.h[4]=sum32(this.h[4],e),this.h[5]=sum32(this.h[5],f),this.h[6]=sum32(this.h[6],g),this.h[7]=sum32(this.h[7],h)},SHA256.prototype._digest=function digest(enc){return"hex"===enc?utils.toHex32(this.h,"big"):utils.split32(this.h,"big")}},{"../common":174,"../utils":184,"./common":183,"minimalistic-assert":220}],181:[function(require,module,exports){"use strict";function SHA384(){return this instanceof SHA384?void(SHA512.call(this),this.h=[3418070365,3238371032,1654270250,914150663,2438529370,812702999,355462360,4144912697,1731405415,4290775857,2394180231,1750603025,3675008525,1694076839,1203062813,3204075428]):new SHA384}var utils=require("../utils"),SHA512=require("./512");utils.inherits(SHA384,SHA512),module.exports=SHA384,SHA384.blockSize=1024,SHA384.outSize=384,SHA384.hmacStrength=192,SHA384.padLength=128,SHA384.prototype._digest=function digest(enc){return"hex"===enc?utils.toHex32(this.h.slice(0,12),"big"):utils.split32(this.h.slice(0,12),"big")}},{"../utils":184,"./512":182}],182:[function(require,module,exports){"use strict";function SHA512(){return this instanceof SHA512?void(BlockHash.call(this),this.h=[1779033703,4089235720,3144134277,2227873595,1013904242,4271175723,2773480762,1595750129,1359893119,2917565137,2600822924,725511199,528734635,4215389547,1541459225,327033209],this.k=sha512_K,this.W=Array(160)):new SHA512}function ch64_hi(xh,xl,yh,yl,zh){var r=xh&yh^~xh&zh;return 0>r&&(r+=4294967296),r}function ch64_lo(xh,xl,yh,yl,zh,zl){var r=xl&yl^~xl&zl;return 0>r&&(r+=4294967296),r}function maj64_hi(xh,xl,yh,yl,zh){var r=xh&yh^xh&zh^yh&zh;return 0>r&&(r+=4294967296),r}function maj64_lo(xh,xl,yh,yl,zh,zl){var r=xl&yl^xl&zl^yl&zl;return 0>r&&(r+=4294967296),r}function s0_512_hi(xh,xl){var c0_hi=rotr64_hi(xh,xl,28),c1_hi=rotr64_hi(xl,xh,2),c2_hi=rotr64_hi(xl,xh,7),r=c0_hi^c1_hi^c2_hi;return 0>r&&(r+=4294967296),r}function s0_512_lo(xh,xl){var c0_lo=rotr64_lo(xh,xl,28),c1_lo=rotr64_lo(xl,xh,2),c2_lo=rotr64_lo(xl,xh,7),r=c0_lo^c1_lo^c2_lo;return 0>r&&(r+=4294967296),r}function s1_512_hi(xh,xl){var c0_hi=rotr64_hi(xh,xl,14),c1_hi=rotr64_hi(xh,xl,18),c2_hi=rotr64_hi(xl,xh,9),r=c0_hi^c1_hi^c2_hi;return 0>r&&(r+=4294967296),r}function s1_512_lo(xh,xl){var c0_lo=rotr64_lo(xh,xl,14),c1_lo=rotr64_lo(xh,xl,18),c2_lo=rotr64_lo(xl,xh,9),r=c0_lo^c1_lo^c2_lo;return 0>r&&(r+=4294967296),r}function g0_512_hi(xh,xl){var c0_hi=rotr64_hi(xh,xl,1),c1_hi=rotr64_hi(xh,xl,8),c2_hi=shr64_hi(xh,xl,7),r=c0_hi^c1_hi^c2_hi;return 0>r&&(r+=4294967296),r}function g0_512_lo(xh,xl){var c0_lo=rotr64_lo(xh,xl,1),c1_lo=rotr64_lo(xh,xl,8),c2_lo=shr64_lo(xh,xl,7),r=c0_lo^c1_lo^c2_lo;return 0>r&&(r+=4294967296),r}function g1_512_hi(xh,xl){var c0_hi=rotr64_hi(xh,xl,19),c1_hi=rotr64_hi(xl,xh,29),c2_hi=shr64_hi(xh,xl,6),r=c0_hi^c1_hi^c2_hi;return 0>r&&(r+=4294967296),r}function g1_512_lo(xh,xl){var c0_lo=rotr64_lo(xh,xl,19),c1_lo=rotr64_lo(xl,xh,29),c2_lo=shr64_lo(xh,xl,6),r=c0_lo^c1_lo^c2_lo;return 0>r&&(r+=4294967296),r}var utils=require("../utils"),common=require("../common"),assert=require("minimalistic-assert"),rotr64_hi=utils.rotr64_hi,rotr64_lo=utils.rotr64_lo,shr64_hi=utils.shr64_hi,shr64_lo=utils.shr64_lo,sum64=utils.sum64,sum64_hi=utils.sum64_hi,sum64_lo=utils.sum64_lo,sum64_4_hi=utils.sum64_4_hi,sum64_4_lo=utils.sum64_4_lo,sum64_5_hi=utils.sum64_5_hi,sum64_5_lo=utils.sum64_5_lo,BlockHash=common.BlockHash,sha512_K=[1116352408,3609767458,1899447441,602891725,3049323471,3964484399,3921009573,2173295548,961987163,4081628472,1508970993,3053834265,2453635748,2937671579,2870763221,3664609560,3624381080,2734883394,310598401,1164996542,607225278,1323610764,1426881987,3590304994,1925078388,4068182383,2162078206,991336113,2614888103,633803317,3248222580,3479774868,3835390401,2666613458,4022224774,944711139,264347078,2341262773,604807628,2007800933,770255983,1495990901,1249150122,1856431235,1555081692,3175218132,1996064986,2198950837,2554220882,3999719339,2821834349,766784016,2952996808,2566594879,3210313671,3203337956,3336571891,1034457026,3584528711,2466948901,113926993,3758326383,338241895,168717936,666307205,1188179964,773529912,1546045734,1294757372,1522805485,1396182291,2643833823,1695183700,2343527390,1986661051,1014477480,2177026350,1206759142,2456956037,344077627,2730485921,1290863460,2820302411,3158454273,3259730800,3505952657,3345764771,106217008,3516065817,3606008344,3600352804,1432725776,4094571909,1467031594,275423344,851169720,430227734,3100823752,506948616,1363258195,659060556,3750685593,883997877,3785050280,958139571,3318307427,1322822218,3812723403,1537002063,2003034995,1747873779,3602036899,1955562222,1575990012,2024104815,1125592928,2227730452,2716904306,2361852424,442776044,2428436474,593698344,2756734187,3733110249,3204031479,2999351573,3329325298,3815920427,3391569614,3928383900,3515267271,566280711,3940187606,3454069534,4118630271,4000239992,116418474,1914138554,174292421,2731055270,289380356,3203993006,460393269,320620315,685471733,587496836,852142971,1086792851,1017036298,365543100,1126000580,2618297676,1288033470,3409855158,1501505948,4234509866,1607167915,987167468,1816402316,1246189591];utils.inherits(SHA512,BlockHash),module.exports=SHA512,SHA512.blockSize=1024,SHA512.outSize=512,SHA512.hmacStrength=192,SHA512.padLength=128,SHA512.prototype._prepareBlock=function _prepareBlock(msg,start){for(var W=this.W,i=0;32>i;i++)W[i]=msg[start+i];for(;i<W.length;i+=2){var c0_hi=g1_512_hi(W[i-4],W[i-3]),c0_lo=g1_512_lo(W[i-4],W[i-3]),c1_hi=W[i-14],c1_lo=W[i-13],c2_hi=g0_512_hi(W[i-30],W[i-29]),c2_lo=g0_512_lo(W[i-30],W[i-29]),c3_hi=W[i-32],c3_lo=W[i-31];W[i]=sum64_4_hi(c0_hi,c0_lo,c1_hi,c1_lo,c2_hi,c2_lo,c3_hi,c3_lo),W[i+1]=sum64_4_lo(c0_hi,c0_lo,c1_hi,c1_lo,c2_hi,c2_lo,c3_hi,c3_lo)}},SHA512.prototype._update=function _update(msg,start){this._prepareBlock(msg,start);var W=this.W,ah=this.h[0],al=this.h[1],bh=this.h[2],bl=this.h[3],ch=this.h[4],cl=this.h[5],dh=this.h[6],dl=this.h[7],eh=this.h[8],el=this.h[9],fh=this.h[10],fl=this.h[11],gh=this.h[12],gl=this.h[13],hh=this.h[14],hl=this.h[15];assert(this.k.length===W.length);for(var i=0;i<W.length;i+=2){var c0_hi=hh,c0_lo=hl,c1_hi=s1_512_hi(eh,el),c1_lo=s1_512_lo(eh,el),c2_hi=ch64_hi(eh,el,fh,fl,gh,gl),c2_lo=ch64_lo(eh,el,fh,fl,gh,gl),c3_hi=this.k[i],c3_lo=this.k[i+1],c4_hi=W[i],c4_lo=W[i+1],T1_hi=sum64_5_hi(c0_hi,c0_lo,c1_hi,c1_lo,c2_hi,c2_lo,c3_hi,c3_lo,c4_hi,c4_lo),T1_lo=sum64_5_lo(c0_hi,c0_lo,c1_hi,c1_lo,c2_hi,c2_lo,c3_hi,c3_lo,c4_hi,c4_lo);c0_hi=s0_512_hi(ah,al),c0_lo=s0_512_lo(ah,al),c1_hi=maj64_hi(ah,al,bh,bl,ch,cl),c1_lo=maj64_lo(ah,al,bh,bl,ch,cl);var T2_hi=sum64_hi(c0_hi,c0_lo,c1_hi,c1_lo),T2_lo=sum64_lo(c0_hi,c0_lo,c1_hi,c1_lo);hh=gh,hl=gl,gh=fh,gl=fl,fh=eh,fl=el,eh=sum64_hi(dh,dl,T1_hi,T1_lo),el=sum64_lo(dl,dl,T1_hi,T1_lo),dh=ch,dl=cl,ch=bh,cl=bl,bh=ah,bl=al,ah=sum64_hi(T1_hi,T1_lo,T2_hi,T2_lo),al=sum64_lo(T1_hi,T1_lo,T2_hi,T2_lo)}sum64(this.h,0,ah,al),sum64(this.h,2,bh,bl),sum64(this.h,4,ch,cl),sum64(this.h,6,dh,dl),sum64(this.h,8,eh,el),sum64(this.h,10,fh,fl),sum64(this.h,12,gh,gl),sum64(this.h,14,hh,hl)},SHA512.prototype._digest=function digest(enc){return"hex"===enc?utils.toHex32(this.h,"big"):utils.split32(this.h,"big")}},{"../common":174,"../utils":184,"minimalistic-assert":220}],183:[function(require,module,exports){"use strict";function ft_1(s,x,y,z){return 0===s?ch32(x,y,z):1===s||3===s?p32(x,y,z):2===s?maj32(x,y,z):void 0}function ch32(x,y,z){return x&y^~x&z}function maj32(x,y,z){return x&y^x&z^y&z}function p32(x,y,z){return x^y^z}function s0_256(x){return rotr32(x,2)^rotr32(x,13)^rotr32(x,22)}function s1_256(x){return rotr32(x,6)^rotr32(x,11)^rotr32(x,25)}function g0_256(x){return rotr32(x,7)^rotr32(x,18)^x>>>3}function g1_256(x){return rotr32(x,17)^rotr32(x,19)^x>>>10}var utils=require("../utils"),rotr32=utils.rotr32;exports.ft_1=ft_1,exports.ch32=ch32,exports.maj32=maj32,exports.p32=p32,exports.s0_256=s0_256,exports.s1_256=s1_256,exports.g0_256=g0_256,exports.g1_256=g1_256},{"../utils":184}],184:[function(require,module,exports){"use strict";function isSurrogatePair(msg,i){return!(55296!=(64512&msg.charCodeAt(i)))&&!(0>i||i+1>=msg.length)&&56320==(64512&msg.charCodeAt(i+1))}function toArray(msg,enc){if(Array.isArray(msg))return msg.slice();if(!msg)return[];var res=[];if(!("string"==typeof msg))for(i=0;i<msg.length;i++)res[i]=0|msg[i];else if(!enc)for(var p=0,i=0,c;i<msg.length;i++)c=msg.charCodeAt(i),128>c?res[p++]=c:2048>c?(res[p++]=192|c>>6,res[p++]=128|63&c):isSurrogatePair(msg,i)?(c=65536+((1023&c)<<10)+(1023&msg.charCodeAt(++i)),res[p++]=240|c>>18,res[p++]=128|63&c>>12,res[p++]=128|63&c>>6,res[p++]=128|63&c):(res[p++]=224|c>>12,res[p++]=128|63&c>>6,res[p++]=128|63&c);else if("hex"===enc)for(msg=msg.replace(/[^a-z0-9]+/ig,""),0!=msg.length%2&&(msg="0"+msg),i=0;i<msg.length;i+=2)res.push(parseInt(msg[i]+msg[i+1],16));return res}function toHex(msg){for(var res="",i=0;i<msg.length;i++)res+=zero2(msg[i].toString(16));return res}function htonl(w){var res=w>>>24|65280&w>>>8|16711680&w<<8|(255&w)<<24;return res>>>0}function toHex32(msg,endian){for(var res="",i=0,w;i<msg.length;i++)w=msg[i],"little"===endian&&(w=htonl(w)),res+=zero8(w.toString(16));return res}function zero2(word){return 1===word.length?"0"+word:word}function zero8(word){return 7===word.length?"0"+word:6===word.length?"00"+word:5===word.length?"000"+word:4===word.length?"0000"+word:3===word.length?"00000"+word:2===word.length?"000000"+word:1===word.length?"0000000"+word:word}function join32(msg,start,end,endian){var len=end-start;assert(0==len%4);for(var res=Array(len/4),i=0,k=start;i<res.length;i++,k+=4){var w;w="big"===endian?msg[k]<<24|msg[k+1]<<16|msg[k+2]<<8|msg[k+3]:msg[k+3]<<24|msg[k+2]<<16|msg[k+1]<<8|msg[k],res[i]=w>>>0}return res}function split32(msg,endian){for(var res=Array(4*msg.length),i=0,k=0,m;i<msg.length;i++,k+=4)m=msg[i],"big"===endian?(res[k]=m>>>24,res[k+1]=255&m>>>16,res[k+2]=255&m>>>8,res[k+3]=255&m):(res[k+3]=m>>>24,res[k+2]=255&m>>>16,res[k+1]=255&m>>>8,res[k]=255&m);return res}function rotr32(w,b){return w>>>b|w<<32-b}function rotl32(w,b){return w<<b|w>>>32-b}function sum32(a,b){return a+b>>>0}function sum32_3(a,b,c){return a+b+c>>>0}function sum32_4(a,b,c,d){return a+b+c+d>>>0}function sum32_5(a,b,c,d,e){return a+b+c+d+e>>>0}function sum64(buf,pos,ah,al){var bh=buf[pos],bl=buf[pos+1],lo=al+bl>>>0,hi=(lo<al?1:0)+ah+bh;buf[pos]=hi>>>0,buf[pos+1]=lo}function sum64_hi(ah,al,bh,bl){var lo=al+bl>>>0,hi=(lo<al?1:0)+ah+bh;return hi>>>0}function sum64_lo(ah,al,bh,bl){var lo=al+bl;return lo>>>0}function sum64_4_hi(ah,al,bh,bl,ch,cl,dh,dl){var carry=0,lo=al;lo=lo+bl>>>0,carry+=lo<al?1:0,lo=lo+cl>>>0,carry+=lo<cl?1:0,lo=lo+dl>>>0,carry+=lo<dl?1:0;var hi=ah+bh+ch+dh+carry;return hi>>>0}function sum64_4_lo(ah,al,bh,bl,ch,cl,dh,dl){var lo=al+bl+cl+dl;return lo>>>0}function sum64_5_hi(ah,al,bh,bl,ch,cl,dh,dl,eh,el){var carry=0,lo=al;lo=lo+bl>>>0,carry+=lo<al?1:0,lo=lo+cl>>>0,carry+=lo<cl?1:0,lo=lo+dl>>>0,carry+=lo<dl?1:0,lo=lo+el>>>0,carry+=lo<el?1:0;var hi=ah+bh+ch+dh+eh+carry;return hi>>>0}function sum64_5_lo(ah,al,bh,bl,ch,cl,dh,dl,eh,el){var lo=al+bl+cl+dl+el;return lo>>>0}function rotr64_hi(ah,al,num){var r=al<<32-num|ah>>>num;return r>>>0}function rotr64_lo(ah,al,num){var r=ah<<32-num|al>>>num;return r>>>0}function shr64_hi(ah,al,num){return ah>>>num}function shr64_lo(ah,al,num){var r=ah<<32-num|al>>>num;return r>>>0}var assert=require("minimalistic-assert"),inherits=require("inherits");exports.inherits=inherits,exports.toArray=toArray,exports.toHex=toHex,exports.htonl=htonl,exports.toHex32=toHex32,exports.zero2=zero2,exports.zero8=zero8,exports.join32=join32,exports.split32=split32,exports.rotr32=rotr32,exports.rotl32=rotl32,exports.sum32=sum32,exports.sum32_3=sum32_3,exports.sum32_4=sum32_4,exports.sum32_5=sum32_5,exports.sum64=sum64,exports.sum64_hi=sum64_hi,exports.sum64_lo=sum64_lo,exports.sum64_4_hi=sum64_4_hi,exports.sum64_4_lo=sum64_4_lo,exports.sum64_5_hi=sum64_5_hi,exports.sum64_5_lo=sum64_5_lo,exports.rotr64_hi=rotr64_hi,exports.rotr64_lo=rotr64_lo,exports.shr64_hi=shr64_hi,exports.shr64_lo=shr64_lo},{inherits:190,"minimalistic-assert":220}],185:[function(require,module,exports){"use strict";function HmacDRBG(options){if(!(this instanceof HmacDRBG))return new HmacDRBG(options);this.hash=options.hash,this.predResist=!!options.predResist,this.outLen=this.hash.outSize,this.minEntropy=options.minEntropy||this.hash.hmacStrength,this._reseed=null,this.reseedInterval=null,this.K=null,this.V=null;var entropy=utils.toArray(options.entropy,options.entropyEnc||"hex"),nonce=utils.toArray(options.nonce,options.nonceEnc||"hex"),pers=utils.toArray(options.pers,options.persEnc||"hex");assert(entropy.length>=this.minEntropy/8,"Not enough entropy. Minimum is: "+this.minEntropy+" bits"),this._init(entropy,nonce,pers)}var hash=require("hash.js"),utils=require("minimalistic-crypto-utils"),assert=require("minimalistic-assert");module.exports=HmacDRBG,HmacDRBG.prototype._init=function init(entropy,nonce,pers){var seed=entropy.concat(nonce).concat(pers);this.K=Array(this.outLen/8),this.V=Array(this.outLen/8);for(var i=0;i<this.V.length;i++)this.K[i]=0,this.V[i]=1;this._update(seed),this._reseed=1,this.reseedInterval=281474976710656},HmacDRBG.prototype._hmac=function hmac(){return new hash.hmac(this.hash,this.K)},HmacDRBG.prototype._update=function update(seed){var kmac=this._hmac().update(this.V).update([0]);seed&&(kmac=kmac.update(seed)),this.K=kmac.digest(),this.V=this._hmac().update(this.V).digest();seed&&(this.K=this._hmac().update(this.V).update([1]).update(seed).digest(),this.V=this._hmac().update(this.V).digest())},HmacDRBG.prototype.reseed=function reseed(entropy,entropyEnc,add,addEnc){"string"!=typeof entropyEnc&&(addEnc=add,add=entropyEnc,entropyEnc=null),entropy=utils.toArray(entropy,entropyEnc),add=utils.toArray(add,addEnc),assert(entropy.length>=this.minEntropy/8,"Not enough entropy. Minimum is: "+this.minEntropy+" bits"),this._update(entropy.concat(add||[])),this._reseed=1},HmacDRBG.prototype.generate=function generate(len,enc,add,addEnc){if(this._reseed>this.reseedInterval)throw new Error("Reseed is required");"string"!=typeof enc&&(addEnc=add,add=enc,enc=null),add&&(add=utils.toArray(add,addEnc||"hex"),this._update(add));for(var temp=[];temp.length<len;)this.V=this._hmac().update(this.V).digest(),temp=temp.concat(this.V);var res=temp.slice(0,len);return this._update(add),this._reseed++,utils.encode(res,enc)}},{"hash.js":173,"minimalistic-assert":220,"minimalistic-crypto-utils":221}],186:[function(require,module,exports){function HTTPParser(type){assert.ok(type===HTTPParser.REQUEST||type===HTTPParser.RESPONSE),this.type=type,this.state=type+"_LINE",this.info={headers:[],upgrade:!1},this.trailers=[],this.line="",this.isChunked=!1,this.connection="",this.headerSize=0,this.body_bytes=null,this.isUserCall=!1,this.hadError=!1}function parseErrorCode(code){var err=new Error("Parse Error");return err.code=code,err}var assert=require("assert");exports.HTTPParser=HTTPParser,HTTPParser.encoding="ascii",HTTPParser.maxHeaderSize=81920,HTTPParser.REQUEST="REQUEST",HTTPParser.RESPONSE="RESPONSE";var kOnHeaders=HTTPParser.kOnHeaders=0,kOnHeadersComplete=HTTPParser.kOnHeadersComplete=1,kOnBody=HTTPParser.kOnBody=2,kOnMessageComplete=HTTPParser.kOnMessageComplete=3;HTTPParser.prototype[kOnHeaders]=HTTPParser.prototype[kOnHeadersComplete]=HTTPParser.prototype[kOnBody]=HTTPParser.prototype[kOnMessageComplete]=function(){};var compatMode0_12=!0;Object.defineProperty(HTTPParser,"kOnExecute",{get:function(){return compatMode0_12=!1,4}});var methods=exports.methods=HTTPParser.methods=["DELETE","GET","HEAD","POST","PUT","CONNECT","OPTIONS","TRACE","COPY","LOCK","MKCOL","MOVE","PROPFIND","PROPPATCH","SEARCH","UNLOCK","BIND","REBIND","UNBIND","ACL","REPORT","MKACTIVITY","CHECKOUT","MERGE","M-SEARCH","NOTIFY","SUBSCRIBE","UNSUBSCRIBE","PATCH","PURGE","MKCALENDAR","LINK","UNLINK"],method_connect=methods.indexOf("CONNECT");HTTPParser.prototype.reinitialize=HTTPParser,HTTPParser.prototype.close=HTTPParser.prototype.pause=HTTPParser.prototype.resume=HTTPParser.prototype.free=function(){},HTTPParser.prototype._compatMode0_11=!1,HTTPParser.prototype.getAsyncId=function(){return 0};var headerState={REQUEST_LINE:!0,RESPONSE_LINE:!0,HEADER:!0};HTTPParser.prototype.execute=function(chunk,start,length){if(!(this instanceof HTTPParser))throw new TypeError("not a HTTPParser");start=start||0,length="number"==typeof length?length:chunk.length,this.chunk=chunk,this.offset=start;var end=this.end=start+length;try{for(;this.offset<end&&!this[this.state](););}catch(err){if(this.isUserCall)throw err;return this.hadError=!0,err}return this.chunk=null,length=this.offset-start,headerState[this.state]&&(this.headerSize+=length,this.headerSize>HTTPParser.maxHeaderSize)?new Error("max header size exceeded"):length};var stateFinishAllowed={REQUEST_LINE:!0,RESPONSE_LINE:!0,BODY_RAW:!0};HTTPParser.prototype.finish=function(){return this.hadError?void 0:stateFinishAllowed[this.state]?void("BODY_RAW"===this.state&&this.userCall()(this[kOnMessageComplete]())):new Error("invalid state for EOF")},HTTPParser.prototype.consume=HTTPParser.prototype.unconsume=HTTPParser.prototype.getCurrentBuffer=function(){},HTTPParser.prototype.userCall=function(){this.isUserCall=!0;var self=this;return function(ret){return self.isUserCall=!1,ret}},HTTPParser.prototype.nextRequest=function(){this.userCall()(this[kOnMessageComplete]()),this.reinitialize(this.type)},HTTPParser.prototype.consumeLine=function(){for(var end=this.end,chunk=this.chunk,i=this.offset;i<end;i++)if(10===chunk[i]){var line=this.line+chunk.toString(HTTPParser.encoding,this.offset,i);return"\r"===line.charAt(line.length-1)&&(line=line.substr(0,line.length-1)),this.line="",this.offset=i+1,line}this.line+=chunk.toString(HTTPParser.encoding,this.offset,this.end),this.offset=this.end};var headerExp=/^([^: \t]+):[ \t]*((?:.*[^ \t])|)/,headerContinueExp=/^[ \t]+(.*[^ \t])/;HTTPParser.prototype.parseHeader=function(line,headers){if(-1!==line.indexOf("\r"))throw parseErrorCode("HPE_LF_EXPECTED");var match=headerExp.exec(line),k=match&&match[1];if(k)headers.push(k),headers.push(match[2]);else{var matchContinue=headerContinueExp.exec(line);matchContinue&&headers.length&&(headers[headers.length-1]&&(headers[headers.length-1]+=" "),headers[headers.length-1]+=matchContinue[1])}};var requestExp=/^([A-Z-]+) ([^ ]+) HTTP\/(\d)\.(\d)$/;HTTPParser.prototype.REQUEST_LINE=function(){var line=this.consumeLine();if(line){var match=requestExp.exec(line);if(null===match)throw parseErrorCode("HPE_INVALID_CONSTANT");if(this.info.method=this._compatMode0_11?match[1]:methods.indexOf(match[1]),-1===this.info.method)throw new Error("invalid request method");this.info.url=match[2],this.info.versionMajor=+match[3],this.info.versionMinor=+match[4],this.body_bytes=0,this.state="HEADER"}};var responseExp=/^HTTP\/(\d)\.(\d) (\d{3}) ?(.*)$/;HTTPParser.prototype.RESPONSE_LINE=function(){var line=this.consumeLine();if(line){var match=responseExp.exec(line);if(null===match)throw parseErrorCode("HPE_INVALID_CONSTANT");this.info.versionMajor=+match[1],this.info.versionMinor=+match[2];var statusCode=this.info.statusCode=+match[3];this.info.statusMessage=match[4],(1==(0|statusCode/100)||204===statusCode||304===statusCode)&&(this.body_bytes=0),this.state="HEADER"}},HTTPParser.prototype.shouldKeepAlive=function(){if(0<this.info.versionMajor&&0<this.info.versionMinor){if(-1!==this.connection.indexOf("close"))return!1;}else if(-1===this.connection.indexOf("keep-alive"))return!1;return!!(null!==this.body_bytes||this.isChunked)},HTTPParser.prototype.HEADER=function(){var line=this.consumeLine();if(void 0!==line){var info=this.info;if(line)this.parseHeader(line,info.headers);else{for(var headers=info.headers,hasContentLength=!1,hasUpgradeHeader=!1,i=0,currentContentLengthValue;i<headers.length;i+=2)switch(headers[i].toLowerCase()){case"transfer-encoding":this.isChunked="chunked"===headers[i+1].toLowerCase();break;case"content-length":if(currentContentLengthValue=+headers[i+1],!hasContentLength)hasContentLength=!0,this.body_bytes=currentContentLengthValue;else if(currentContentLengthValue!==this.body_bytes)throw parseErrorCode("HPE_UNEXPECTED_CONTENT_LENGTH");break;case"connection":this.connection+=headers[i+1].toLowerCase();break;case"upgrade":hasUpgradeHeader=!0;}this.isChunked&&hasContentLength&&(this.isChunked=!1),info.upgrade=hasUpgradeHeader&&-1!=this.connection.indexOf("upgrade")?this.type===HTTPParser.REQUEST||101===info.statusCode:info.method===method_connect,info.shouldKeepAlive=this.shouldKeepAlive();var skipBody;if(skipBody=compatMode0_12?this.userCall()(this[kOnHeadersComplete](info)):this.userCall()(this[kOnHeadersComplete](info.versionMajor,info.versionMinor,info.headers,info.method,info.url,info.statusCode,info.statusMessage,info.upgrade,info.shouldKeepAlive)),2===skipBody)return this.nextRequest(),!0;if(this.isChunked&&!skipBody)this.state="BODY_CHUNKHEAD";else{if(skipBody||0===this.body_bytes)return this.nextRequest(),info.upgrade;this.state=null===this.body_bytes?"BODY_RAW":"BODY_SIZED"}}}},HTTPParser.prototype.BODY_CHUNKHEAD=function(){var line=this.consumeLine();void 0===line||(this.body_bytes=parseInt(line,16),this.state=this.body_bytes?"BODY_CHUNK":"BODY_CHUNKTRAILERS")},HTTPParser.prototype.BODY_CHUNK=function(){var length=_Mathmin(this.end-this.offset,this.body_bytes);this.userCall()(this[kOnBody](this.chunk,this.offset,length)),this.offset+=length,this.body_bytes-=length,this.body_bytes||(this.state="BODY_CHUNKEMPTYLINE")},HTTPParser.prototype.BODY_CHUNKEMPTYLINE=function(){var line=this.consumeLine();void 0===line||(assert.equal(line,""),this.state="BODY_CHUNKHEAD")},HTTPParser.prototype.BODY_CHUNKTRAILERS=function(){var line=this.consumeLine();void 0===line||(line?this.parseHeader(line,this.trailers):(this.trailers.length&&this.userCall()(this[kOnHeaders](this.trailers,"")),this.nextRequest()))},HTTPParser.prototype.BODY_RAW=function(){var length=this.end-this.offset;this.userCall()(this[kOnBody](this.chunk,this.offset,length)),this.offset=this.end},HTTPParser.prototype.BODY_SIZED=function(){var length=_Mathmin(this.end-this.offset,this.body_bytes);this.userCall()(this[kOnBody](this.chunk,this.offset,length)),this.offset+=length,this.body_bytes-=length,this.body_bytes||this.nextRequest()},["Headers","HeadersComplete","Body","MessageComplete"].forEach(function(name){var k=HTTPParser["kOn"+name];Object.defineProperty(HTTPParser.prototype,"on"+name,{get:function(){return this[k]},set:function(to){return this._compatMode0_11=!0,method_connect="CONNECT",this[k]=to}})})},{assert:32}],187:[function(require,module,exports){function validateParams(params){if("string"==typeof params&&(params=url.parse(params)),params.protocol||(params.protocol="https:"),"https:"!==params.protocol)throw new Error("Protocol \""+params.protocol+"\" not supported. Expected \"https:\"");return params}var http=require("http"),url=require("url"),https=module.exports;for(var key in http)http.hasOwnProperty(key)&&(https[key]=http[key]);https.request=function(params,cb){return params=validateParams(params),http.request.call(this,params,cb)},https.get=function(params,cb){return params=validateParams(params),http.get.call(this,params,cb)}},{http:312,url:331}],188:[function(require,module,exports){/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */exports.read=function(buffer,offset,isLE,mLen,nBytes){var eLen=8*nBytes-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,nBits=-7,i=isLE?nBytes-1:0,d=isLE?-1:1,s=buffer[offset+i],e,m;for(i+=d,e=s&(1<<-nBits)-1,s>>=-nBits,nBits+=eLen;0<nBits;e=256*e+buffer[offset+i],i+=d,nBits-=8);for(m=e&(1<<-nBits)-1,e>>=-nBits,nBits+=mLen;0<nBits;m=256*m+buffer[offset+i],i+=d,nBits-=8);if(0===e)e=1-eBias;else{if(e===eMax)return m?NaN:(s?-1:1)*(1/0);m+=_Mathpow(2,mLen),e-=eBias}return(s?-1:1)*m*_Mathpow(2,e-mLen)},exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var eLen=8*nBytes-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,rt=23===mLen?_Mathpow(2,-24)-_Mathpow(2,-77):0,i=isLE?0:nBytes-1,d=isLE?1:-1,s=0>value||0===value&&0>1/value?1:0,e,m,c;for(value=_Mathabs(value),isNaN(value)||value===1/0?(m=isNaN(value)?1:0,e=eMax):(e=_Mathfloor(_Mathlog2(value)/_MathLN),1>value*(c=_Mathpow(2,-e))&&(e--,c*=2),value+=1<=e+eBias?rt/c:rt*_Mathpow(2,1-eBias),2<=value*c&&(e++,c/=2),e+eBias>=eMax?(m=0,e=eMax):1<=e+eBias?(m=(value*c-1)*_Mathpow(2,mLen),e+=eBias):(m=value*_Mathpow(2,eBias-1)*_Mathpow(2,mLen),e=0));8<=mLen;buffer[offset+i]=255&m,i+=d,m/=256,mLen-=8);for(e=e<<mLen|m,eLen+=mLen;0<eLen;buffer[offset+i]=255&e,i+=d,e/=256,eLen-=8);buffer[offset+i-d]|=128*s}},{}],189:[function(require,module,exports){/*! immediate-chunk-store. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */const queueMicrotask=require("queue-microtask");class ImmediateStore{constructor(store){if(this.store=store,this.chunkLength=store.chunkLength,!this.store||!this.store.get||!this.store.put)throw new Error("First argument must be abstract-chunk-store compliant");this.mem=[]}put(index,buf,cb=()=>{}){this.mem[index]=buf,this.store.put(index,buf,err=>{this.mem[index]=null,cb(err)})}get(index,opts,cb=()=>{}){if("function"==typeof opts)return this.get(index,null,opts);let buf=this.mem[index];if(!buf)return this.store.get(index,opts,cb);opts||(opts={});const offset=opts.offset||0,len=opts.length||buf.length-offset;(0!==offset||len!==buf.length)&&(buf=buf.slice(offset,len+offset)),queueMicrotask(()=>cb(null,buf))}close(cb=()=>{}){this.store.close(cb)}destroy(cb=()=>{}){this.store.destroy(cb)}}module.exports=ImmediateStore},{"queue-microtask":259}],190:[function(require,module,exports){module.exports="function"==typeof Object.create?function inherits(ctor,superCtor){superCtor&&(ctor.super_=superCtor,ctor.prototype=Object.create(superCtor.prototype,{constructor:{value:ctor,enumerable:!1,writable:!0,configurable:!0}}))}:function inherits(ctor,superCtor){if(superCtor){ctor.super_=superCtor;var TempCtor=function(){};TempCtor.prototype=superCtor.prototype,ctor.prototype=new TempCtor,ctor.prototype.constructor=ctor}}},{}],191:[function(require,module,exports){(function(root){"use strict";function expandIPv6(string,parts){if(string.indexOf("::")!==string.lastIndexOf("::"))return null;let colonCount=0,lastColon=-1,zoneId=(string.match(ipv6Regexes.zoneIndex)||[])[0],replacement,replacementCount;for(zoneId&&(zoneId=zoneId.substring(1),string=string.replace(/%.+$/,""));0<=(lastColon=string.indexOf(":",lastColon+1));)colonCount++;if("::"===string.substr(0,2)&&colonCount--,"::"===string.substr(-2,2)&&colonCount--,colonCount>parts)return null;for(replacementCount=parts-colonCount,replacement=":";replacementCount--;)replacement+="0:";return string=string.replace("::",replacement),":"===string[0]&&(string=string.slice(1)),":"===string[string.length-1]&&(string=string.slice(0,-1)),parts=function(){const ref=string.split(":"),results=[];for(let i=0;i<ref.length;i++)results.push(parseInt(ref[i],16));return results}(),{parts:parts,zoneId:zoneId}}function matchCIDR(first,second,partSize,cidrBits){if(first.length!==second.length)throw new Error("ipaddr: cannot match CIDR for objects with different lengths");let part=0,shift;for(;0<cidrBits;){if(shift=partSize-cidrBits,0>shift&&(shift=0),first[part]>>shift!=second[part]>>shift)return!1;cidrBits-=partSize,part+=1}return!0}function parseIntAuto(string){if(hexRegex.test(string))return parseInt(string,16);if("0"===string[0]&&!isNaN(parseInt(string[1],10))){if(octalRegex.test(string))return parseInt(string,8);throw new Error(`ipaddr: cannot parse ${string} as octal`)}return parseInt(string,10)}function padPart(part,length){for(;part.length<length;)part=`0${part}`;return part}const ipv4Part="(0?\\d+|0x[a-f0-9]+)",ipv4Regexes={fourOctet:/^(0?\d+|0x[a-f0-9]+)\.(0?\d+|0x[a-f0-9]+)\.(0?\d+|0x[a-f0-9]+)\.(0?\d+|0x[a-f0-9]+)$/i,threeOctet:/^(0?\d+|0x[a-f0-9]+)\.(0?\d+|0x[a-f0-9]+)\.(0?\d+|0x[a-f0-9]+)$/i,twoOctet:/^(0?\d+|0x[a-f0-9]+)\.(0?\d+|0x[a-f0-9]+)$/i,longValue:/^(0?\d+|0x[a-f0-9]+)$/i},octalRegex=/^0[0-7]+$/i,hexRegex=/^0x[a-f0-9]+$/i,zoneIndex="%[0-9a-z]{1,}",ipv6Part="(?:[0-9a-f]+::?)+",ipv6Regexes={zoneIndex:new RegExp(zoneIndex,"i"),native:new RegExp(`^(::)?(${ipv6Part})?([0-9a-f]+)?(::)?(${zoneIndex})?$`,"i"),deprecatedTransitional:new RegExp(`^(?:::)(${"(0?\\d+|0x[a-f0-9]+)"}\\.${"(0?\\d+|0x[a-f0-9]+)"}\\.${"(0?\\d+|0x[a-f0-9]+)"}\\.${"(0?\\d+|0x[a-f0-9]+)"}(${zoneIndex})?)$`,"i"),transitional:new RegExp(`^((?:${ipv6Part})|(?:::)(?:${ipv6Part})?)${"(0?\\d+|0x[a-f0-9]+)"}\\.${"(0?\\d+|0x[a-f0-9]+)"}\\.${"(0?\\d+|0x[a-f0-9]+)"}\\.${"(0?\\d+|0x[a-f0-9]+)"}(${zoneIndex})?$`,"i")},ipaddr={};ipaddr.IPv4=function(){function IPv4(octets){if(4!==octets.length)throw new Error("ipaddr: ipv4 octet count should be 4");let i,octet;for(i=0;i<octets.length;i++)if(octet=octets[i],!(0<=octet&&255>=octet))throw new Error("ipaddr: ipv4 octet should fit in 8 bits");this.octets=octets}return IPv4.prototype.SpecialRanges={unspecified:[[new IPv4([0,0,0,0]),8]],broadcast:[[new IPv4([255,255,255,255]),32]],multicast:[[new IPv4([224,0,0,0]),4]],linkLocal:[[new IPv4([169,254,0,0]),16]],loopback:[[new IPv4([127,0,0,0]),8]],carrierGradeNat:[[new IPv4([100,64,0,0]),10]],private:[[new IPv4([10,0,0,0]),8],[new IPv4([172,16,0,0]),12],[new IPv4([192,168,0,0]),16]],reserved:[[new IPv4([192,0,0,0]),24],[new IPv4([192,0,2,0]),24],[new IPv4([192,88,99,0]),24],[new IPv4([198,51,100,0]),24],[new IPv4([203,0,113,0]),24],[new IPv4([240,0,0,0]),4]]},IPv4.prototype.kind=function(){return"ipv4"},IPv4.prototype.match=function(other,cidrRange){let ref;if(void 0===cidrRange&&(ref=other,other=ref[0],cidrRange=ref[1]),"ipv4"!==other.kind())throw new Error("ipaddr: cannot match ipv4 address with non-ipv4 one");return matchCIDR(this.octets,other.octets,8,cidrRange)},IPv4.prototype.prefixLengthFromSubnetMask=function(){let cidr=0,stop=!1;const zerotable={0:8,128:7,192:6,224:5,240:4,248:3,252:2,254:1,255:0};let i,octet,zeros;for(i=3;0<=i;i-=1)if(octet=this.octets[i],octet in zerotable){if(zeros=zerotable[octet],stop&&0!==zeros)return null;8!==zeros&&(stop=!0),cidr+=zeros}else return null;return 32-cidr},IPv4.prototype.range=function(){return ipaddr.subnetMatch(this,this.SpecialRanges)},IPv4.prototype.toByteArray=function(){return this.octets.slice(0)},IPv4.prototype.toIPv4MappedAddress=function(){return ipaddr.IPv6.parse(`::ffff:${this.toString()}`)},IPv4.prototype.toNormalizedString=function(){return this.toString()},IPv4.prototype.toString=function(){return this.octets.join(".")},IPv4}(),ipaddr.IPv4.broadcastAddressFromCIDR=function(string){try{const cidr=this.parseCIDR(string),ipInterfaceOctets=cidr[0].toByteArray(),subnetMaskOctets=this.subnetMaskFromPrefixLength(cidr[1]).toByteArray(),octets=[];for(let i=0;4>i;)octets.push(parseInt(ipInterfaceOctets[i],10)|255^parseInt(subnetMaskOctets[i],10)),i++;return new this(octets)}catch(e){throw new Error("ipaddr: the address does not have IPv4 CIDR format")}},ipaddr.IPv4.isIPv4=function(string){return null!==this.parser(string)},ipaddr.IPv4.isValid=function(string){try{return new this(this.parser(string)),!0}catch(e){return!1}},ipaddr.IPv4.isValidFourPartDecimal=function(string){return!!(ipaddr.IPv4.isValid(string)&&string.match(/^(0|[1-9]\d*)(\.(0|[1-9]\d*)){3}$/))},ipaddr.IPv4.networkAddressFromCIDR=function(string){let cidr,i,ipInterfaceOctets,octets,subnetMaskOctets;try{for(cidr=this.parseCIDR(string),ipInterfaceOctets=cidr[0].toByteArray(),subnetMaskOctets=this.subnetMaskFromPrefixLength(cidr[1]).toByteArray(),octets=[],i=0;4>i;)octets.push(parseInt(ipInterfaceOctets[i],10)&parseInt(subnetMaskOctets[i],10)),i++;return new this(octets)}catch(e){throw new Error("ipaddr: the address does not have IPv4 CIDR format")}},ipaddr.IPv4.parse=function(string){const parts=this.parser(string);if(null===parts)throw new Error("ipaddr: string is not formatted like an IPv4 Address");return new this(parts)},ipaddr.IPv4.parseCIDR=function(string){let match;if(match=string.match(/^(.+)\/(\d+)$/)){const maskLength=parseInt(match[2]);if(0<=maskLength&&32>=maskLength){const parsed=[this.parse(match[1]),maskLength];return Object.defineProperty(parsed,"toString",{value:function(){return this.join("/")}}),parsed}}throw new Error("ipaddr: string is not formatted like an IPv4 CIDR range")},ipaddr.IPv4.parser=function(string){let match,part,value;if(match=string.match(ipv4Regexes.fourOctet))return function(){const ref=match.slice(1,6),results=[];for(let i=0;i<ref.length;i++)part=ref[i],results.push(parseIntAuto(part));return results}();if(match=string.match(ipv4Regexes.longValue)){if(value=parseIntAuto(match[1]),4294967295<value||0>value)throw new Error("ipaddr: address outside defined range");return function(){const results=[];let shift;for(shift=0;24>=shift;shift+=8)results.push(255&value>>shift);return results}().reverse()}return(match=string.match(ipv4Regexes.twoOctet))?function(){const ref=match.slice(1,4),results=[];if(value=parseIntAuto(ref[1]),16777215<value||0>value)throw new Error("ipaddr: address outside defined range");return results.push(parseIntAuto(ref[0])),results.push(255&value>>16),results.push(255&value>>8),results.push(255&value),results}():(match=string.match(ipv4Regexes.threeOctet))?function(){const ref=match.slice(1,5),results=[];if(value=parseIntAuto(ref[2]),65535<value||0>value)throw new Error("ipaddr: address outside defined range");return results.push(parseIntAuto(ref[0])),results.push(parseIntAuto(ref[1])),results.push(255&value>>8),results.push(255&value),results}():null},ipaddr.IPv4.subnetMaskFromPrefixLength=function(prefix){if(prefix=parseInt(prefix),0>prefix||32<prefix)throw new Error("ipaddr: invalid IPv4 prefix length");const octets=[0,0,0,0];let j=0;const filledOctetCount=_Mathfloor(prefix/8);for(;j<filledOctetCount;)octets[j]=255,j++;return 4>filledOctetCount&&(octets[filledOctetCount]=_Mathpow(2,prefix%8)-1<<8-prefix%8),new this(octets)},ipaddr.IPv6=function(){function IPv6(parts,zoneId){let i,part;if(16===parts.length)for(this.parts=[],i=0;14>=i;i+=2)this.parts.push(parts[i]<<8|parts[i+1]);else if(8===parts.length)this.parts=parts;else throw new Error("ipaddr: ipv6 part count should be 8 or 16");for(i=0;i<this.parts.length;i++)if(part=this.parts[i],!(0<=part&&65535>=part))throw new Error("ipaddr: ipv6 part should fit in 16 bits");zoneId&&(this.zoneId=zoneId)}return IPv6.prototype.SpecialRanges={unspecified:[new IPv6([0,0,0,0,0,0,0,0]),128],linkLocal:[new IPv6([65152,0,0,0,0,0,0,0]),10],multicast:[new IPv6([65280,0,0,0,0,0,0,0]),8],loopback:[new IPv6([0,0,0,0,0,0,0,1]),128],uniqueLocal:[new IPv6([64512,0,0,0,0,0,0,0]),7],ipv4Mapped:[new IPv6([0,0,0,0,0,65535,0,0]),96],rfc6145:[new IPv6([0,0,0,0,65535,0,0,0]),96],rfc6052:[new IPv6([100,65435,0,0,0,0,0,0]),96],"6to4":[new IPv6([8194,0,0,0,0,0,0,0]),16],teredo:[new IPv6([8193,0,0,0,0,0,0,0]),32],reserved:[[new IPv6([8193,3512,0,0,0,0,0,0]),32]]},IPv6.prototype.isIPv4MappedAddress=function(){return"ipv4Mapped"===this.range()},IPv6.prototype.kind=function(){return"ipv6"},IPv6.prototype.match=function(other,cidrRange){let ref;if(void 0===cidrRange&&(ref=other,other=ref[0],cidrRange=ref[1]),"ipv6"!==other.kind())throw new Error("ipaddr: cannot match ipv6 address with non-ipv6 one");return matchCIDR(this.parts,other.parts,16,cidrRange)},IPv6.prototype.prefixLengthFromSubnetMask=function(){let cidr=0,stop=!1;const zerotable={0:16,32768:15,49152:14,57344:13,61440:12,63488:11,64512:10,65024:9,65280:8,65408:7,65472:6,65504:5,65520:4,65528:3,65532:2,65534:1,65535:0};let part,zeros;for(let i=7;0<=i;i-=1)if(part=this.parts[i],part in zerotable){if(zeros=zerotable[part],stop&&0!==zeros)return null;16!==zeros&&(stop=!0),cidr+=zeros}else return null;return 128-cidr},IPv6.prototype.range=function(){return ipaddr.subnetMatch(this,this.SpecialRanges)},IPv6.prototype.toByteArray=function(){let part;const bytes=[],ref=this.parts;for(let i=0;i<ref.length;i++)part=ref[i],bytes.push(part>>8),bytes.push(255&part);return bytes},IPv6.prototype.toFixedLengthString=function(){const addr=function(){const results=[];for(let i=0;i<this.parts.length;i++)results.push(padPart(this.parts[i].toString(16),4));return results}.call(this).join(":");let suffix="";return this.zoneId&&(suffix=`%${this.zoneId}`),addr+suffix},IPv6.prototype.toIPv4Address=function(){if(!this.isIPv4MappedAddress())throw new Error("ipaddr: trying to convert a generic ipv6 address to ipv4");const ref=this.parts.slice(-2),high=ref[0],low=ref[1];return new ipaddr.IPv4([high>>8,255&high,low>>8,255&low])},IPv6.prototype.toNormalizedString=function(){const addr=function(){const results=[];for(let i=0;i<this.parts.length;i++)results.push(this.parts[i].toString(16));return results}.call(this).join(":");let suffix="";return this.zoneId&&(suffix=`%${this.zoneId}`),addr+suffix},IPv6.prototype.toRFC5952String=function(){const regex=/((^|:)(0(:|$)){2,})/g,string=this.toNormalizedString();let bestMatchIndex=0,bestMatchLength=-1,match;for(;match=regex.exec(string);)match[0].length>bestMatchLength&&(bestMatchIndex=match.index,bestMatchLength=match[0].length);return 0>bestMatchLength?string:`${string.substring(0,bestMatchIndex)}::${string.substring(bestMatchIndex+bestMatchLength)}`},IPv6.prototype.toString=function(){return this.toNormalizedString().replace(/((^|:)(0(:|$))+)/,"::")},IPv6}(),ipaddr.IPv6.broadcastAddressFromCIDR=function(string){try{const cidr=this.parseCIDR(string),ipInterfaceOctets=cidr[0].toByteArray(),subnetMaskOctets=this.subnetMaskFromPrefixLength(cidr[1]).toByteArray(),octets=[];for(let i=0;16>i;)octets.push(parseInt(ipInterfaceOctets[i],10)|255^parseInt(subnetMaskOctets[i],10)),i++;return new this(octets)}catch(e){throw new Error(`ipaddr: the address does not have IPv6 CIDR format (${e})`)}},ipaddr.IPv6.isIPv6=function(string){return null!==this.parser(string)},ipaddr.IPv6.isValid=function(string){if("string"==typeof string&&-1===string.indexOf(":"))return!1;try{const addr=this.parser(string);return new this(addr.parts,addr.zoneId),!0}catch(e){return!1}},ipaddr.IPv6.networkAddressFromCIDR=function(string){let cidr,i,ipInterfaceOctets,octets,subnetMaskOctets;try{for(cidr=this.parseCIDR(string),ipInterfaceOctets=cidr[0].toByteArray(),subnetMaskOctets=this.subnetMaskFromPrefixLength(cidr[1]).toByteArray(),octets=[],i=0;16>i;)octets.push(parseInt(ipInterfaceOctets[i],10)&parseInt(subnetMaskOctets[i],10)),i++;return new this(octets)}catch(e){throw new Error(`ipaddr: the address does not have IPv6 CIDR format (${e})`)}},ipaddr.IPv6.parse=function(string){const addr=this.parser(string);if(null===addr.parts)throw new Error("ipaddr: string is not formatted like an IPv6 Address");return new this(addr.parts,addr.zoneId)},ipaddr.IPv6.parseCIDR=function(string){let maskLength,match,parsed;if((match=string.match(/^(.+)\/(\d+)$/))&&(maskLength=parseInt(match[2]),0<=maskLength&&128>=maskLength))return parsed=[this.parse(match[1]),maskLength],Object.defineProperty(parsed,"toString",{value:function(){return this.join("/")}}),parsed;throw new Error("ipaddr: string is not formatted like an IPv6 CIDR range")},ipaddr.IPv6.parser=function(string){let addr,i,match,octet,octets,zoneId;if(match=string.match(ipv6Regexes.deprecatedTransitional))return this.parser(`::ffff:${match[1]}`);if(ipv6Regexes.native.test(string))return expandIPv6(string,8);if((match=string.match(ipv6Regexes.transitional))&&(zoneId=match[6]||"",addr=expandIPv6(match[1].slice(0,-1)+zoneId,6),addr.parts)){for(octets=[parseInt(match[2]),parseInt(match[3]),parseInt(match[4]),parseInt(match[5])],i=0;i<octets.length;i++)if(octet=octets[i],!(0<=octet&&255>=octet))return null;return addr.parts.push(octets[0]<<8|octets[1]),addr.parts.push(octets[2]<<8|octets[3]),{parts:addr.parts,zoneId:addr.zoneId}}return null},ipaddr.IPv6.subnetMaskFromPrefixLength=function(prefix){if(prefix=parseInt(prefix),0>prefix||128<prefix)throw new Error("ipaddr: invalid IPv6 prefix length");const octets=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];let j=0;const filledOctetCount=_Mathfloor(prefix/8);for(;j<filledOctetCount;)octets[j]=255,j++;return 16>filledOctetCount&&(octets[filledOctetCount]=_Mathpow(2,prefix%8)-1<<8-prefix%8),new this(octets)},ipaddr.fromByteArray=function(bytes){const length=bytes.length;if(4===length)return new ipaddr.IPv4(bytes);if(16===length)return new ipaddr.IPv6(bytes);throw new Error("ipaddr: the binary input is neither an IPv6 nor IPv4 address")},ipaddr.isValid=function(string){return ipaddr.IPv6.isValid(string)||ipaddr.IPv4.isValid(string)},ipaddr.parse=function(string){if(ipaddr.IPv6.isValid(string))return ipaddr.IPv6.parse(string);if(ipaddr.IPv4.isValid(string))return ipaddr.IPv4.parse(string);throw new Error("ipaddr: the address has neither IPv6 nor IPv4 format")},ipaddr.parseCIDR=function(string){try{return ipaddr.IPv6.parseCIDR(string)}catch(e){try{return ipaddr.IPv4.parseCIDR(string)}catch(e2){throw new Error("ipaddr: the address has neither IPv6 nor IPv4 CIDR format")}}},ipaddr.process=function(string){const addr=this.parse(string);return"ipv6"===addr.kind()&&addr.isIPv4MappedAddress()?addr.toIPv4Address():addr},ipaddr.subnetMatch=function(address,rangeList,defaultName){let i,rangeName,rangeSubnets,subnet;for(rangeName in(void 0===defaultName||null===defaultName)&&(defaultName="unicast"),rangeList)if(Object.prototype.hasOwnProperty.call(rangeList,rangeName))for(rangeSubnets=rangeList[rangeName],rangeSubnets[0]&&!(rangeSubnets[0]instanceof Array)&&(rangeSubnets=[rangeSubnets]),i=0;i<rangeSubnets.length;i++)if(subnet=rangeSubnets[i],address.kind()===subnet[0].kind()&&address.match.apply(address,subnet))return rangeName;return defaultName},"undefined"!=typeof module&&module.exports?module.exports=ipaddr:root.ipaddr=ipaddr})(this)},{}],192:[function(require,module,exports){"use strict";var hasToStringTag=require("has-tostringtag/shams")(),callBound=require("call-bind/callBound"),$toString=callBound("Object.prototype.toString"),isStandardArguments=function 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obj.constructor.isBuffer&&obj.constructor.isBuffer(obj)}function isSlowBuffer(obj){return"function"==typeof obj.readFloatLE&&"function"==typeof obj.slice&&isBuffer(obj.slice(0,0))}/*! + */"use strict";function escapeHtml(string){var str=""+string,match=matchHtmlRegExp.exec(str);if(!match)return str;var html="",index=0,lastIndex=0,escape;for(index=match.index;index<str.length;index++){switch(str.charCodeAt(index)){case 34:escape=""";break;case 38:escape="&";break;case 39:escape="'";break;case 60:escape="<";break;case 62:escape=">";break;default:continue;}lastIndex!==index&&(html+=str.substring(lastIndex,index)),lastIndex=index+1,html+=escape}return lastIndex===index?html:html+str.substring(lastIndex,index)}var matchHtmlRegExp=/["'&<>]/;module.exports=escapeHtml},{}],156:[function(require,module,exports){"use strict";function ProcessEmitWarning(warning){console&&console.warn&&console.warn(warning)}function EventEmitter(){EventEmitter.init.call(this)}function 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Received type "+typeof listener)}function _getMaxListeners(that){return void 0===that._maxListeners?EventEmitter.defaultMaxListeners:that._maxListeners}function _addListener(target,type,listener,prepend){var m,events,existing;if(checkListener(listener),events=target._events,void 0===events?(events=target._events=Object.create(null),target._eventsCount=0):(void 0!==events.newListener&&(target.emit("newListener",type,listener.listener?listener.listener:listener),events=target._events),existing=events[type]),void 0===existing)existing=events[type]=listener,++target._eventsCount;else if("function"==typeof existing?existing=events[type]=prepend?[listener,existing]:[existing,listener]:prepend?existing.unshift(listener):existing.push(listener),m=_getMaxListeners(target),0<m&&existing.length>m&&!existing.warned){existing.warned=!0;var w=new Error("Possible EventEmitter memory leak detected. "+existing.length+" "+(type+" listeners added. Use emitter.setMaxListeners() to increase limit"));w.name="MaxListenersExceededWarning",w.emitter=target,w.type=type,w.count=existing.length,ProcessEmitWarning(w)}return target}function onceWrapper(){if(!this.fired)return this.target.removeListener(this.type,this.wrapFn),this.fired=!0,0===arguments.length?this.listener.call(this.target):this.listener.apply(this.target,arguments)}function _onceWrap(target,type,listener){var state={fired:!1,wrapFn:void 0,target:target,type:type,listener:listener},wrapped=onceWrapper.bind(state);return wrapped.listener=listener,state.wrapFn=wrapped,wrapped}function _listeners(target,type,unwrap){var events=target._events;if(events===void 0)return[];var evlistener=events[type];return void 0===evlistener?[]:"function"==typeof evlistener?unwrap?[evlistener.listener||evlistener]:[evlistener]:unwrap?unwrapListeners(evlistener):arrayClone(evlistener,evlistener.length)}function listenerCount(type){var events=this._events;if(events!==void 0){var evlistener=events[type];if("function"==typeof evlistener)return 1;if(void 0!==evlistener)return evlistener.length}return 0}function arrayClone(arr,n){for(var copy=Array(n),i=0;i<n;++i)copy[i]=arr[i];return copy}function spliceOne(list,index){for(;index+1<list.length;index++)list[index]=list[index+1];list.pop()}function unwrapListeners(arr){for(var ret=Array(arr.length),i=0;i<ret.length;++i)ret[i]=arr[i].listener||arr[i];return ret}function once(emitter,name){return new Promise(function(resolve,reject){function errorListener(err){emitter.removeListener(name,resolver),reject(err)}function resolver(){"function"==typeof emitter.removeListener&&emitter.removeListener("error",errorListener),resolve([].slice.call(arguments))}eventTargetAgnosticAddListener(emitter,name,resolver,{once:!0}),"error"!==name&&addErrorHandlerIfEventEmitter(emitter,errorListener,{once:!0})})}function addErrorHandlerIfEventEmitter(emitter,handler,flags){"function"==typeof emitter.on&&eventTargetAgnosticAddListener(emitter,"error",handler,flags)}function eventTargetAgnosticAddListener(emitter,name,listener,flags){if("function"==typeof emitter.on)flags.once?emitter.once(name,listener):emitter.on(name,listener);else if("function"==typeof emitter.addEventListener)emitter.addEventListener(name,function wrapListener(arg){flags.once&&emitter.removeEventListener(name,wrapListener),listener(arg)});else throw new TypeError("The \"emitter\" argument must be of type EventEmitter. Received type "+typeof emitter)}var R="object"==typeof Reflect?Reflect:null,ReflectApply=R&&"function"==typeof R.apply?R.apply:function ReflectApply(target,receiver,args){return Function.prototype.apply.call(target,receiver,args)},ReflectOwnKeys;ReflectOwnKeys=R&&"function"==typeof R.ownKeys?R.ownKeys:Object.getOwnPropertySymbols?function ReflectOwnKeys(target){return Object.getOwnPropertyNames(target).concat(Object.getOwnPropertySymbols(target))}:function ReflectOwnKeys(target){return Object.getOwnPropertyNames(target)};var NumberIsNaN=_NumberisNaN||function NumberIsNaN(value){return value!==value};module.exports=EventEmitter,module.exports.once=once,EventEmitter.EventEmitter=EventEmitter,EventEmitter.prototype._events=void 0,EventEmitter.prototype._eventsCount=0,EventEmitter.prototype._maxListeners=void 0;var defaultMaxListeners=10;Object.defineProperty(EventEmitter,"defaultMaxListeners",{enumerable:!0,get:function(){return defaultMaxListeners},set:function(arg){if("number"!=typeof arg||0>arg||NumberIsNaN(arg))throw new RangeError("The value of \"defaultMaxListeners\" is out of range. It must be a non-negative number. Received "+arg+".");defaultMaxListeners=arg}}),EventEmitter.init=function(){(this._events===void 0||this._events===Object.getPrototypeOf(this)._events)&&(this._events=Object.create(null),this._eventsCount=0),this._maxListeners=this._maxListeners||void 0},EventEmitter.prototype.setMaxListeners=function setMaxListeners(n){if("number"!=typeof n||0>n||NumberIsNaN(n))throw new RangeError("The value of \"n\" is out of range. It must be a non-negative number. Received "+n+".");return this._maxListeners=n,this},EventEmitter.prototype.getMaxListeners=function getMaxListeners(){return _getMaxListeners(this)},EventEmitter.prototype.emit=function emit(type){for(var args=[],i=1;i<arguments.length;i++)args.push(arguments[i]);var doError="error"===type,events=this._events;if(events!==void 0)doError=doError&&events.error===void 0;else if(!doError)return!1;if(doError){var er;if(0<args.length&&(er=args[0]),er instanceof Error)throw er;var err=new Error("Unhandled error."+(er?" ("+er.message+")":""));throw err.context=er,err}var handler=events[type];if(handler===void 0)return!1;if("function"==typeof handler)ReflectApply(handler,this,args);else for(var len=handler.length,listeners=arrayClone(handler,len),i=0;i<len;++i)ReflectApply(listeners[i],this,args);return!0},EventEmitter.prototype.addListener=function addListener(type,listener){return _addListener(this,type,listener,!1)},EventEmitter.prototype.on=EventEmitter.prototype.addListener,EventEmitter.prototype.prependListener=function prependListener(type,listener){return _addListener(this,type,listener,!0)},EventEmitter.prototype.once=function once(type,listener){return checkListener(listener),this.on(type,_onceWrap(this,type,listener)),this},EventEmitter.prototype.prependOnceListener=function prependOnceListener(type,listener){return checkListener(listener),this.prependListener(type,_onceWrap(this,type,listener)),this},EventEmitter.prototype.removeListener=function removeListener(type,listener){var list,events,position,i,originalListener;if(checkListener(listener),events=this._events,void 0===events)return this;if(list=events[type],void 0===list)return this;if(list===listener||list.listener===listener)0==--this._eventsCount?this._events=Object.create(null):(delete events[type],events.removeListener&&this.emit("removeListener",type,list.listener||listener));else if("function"!=typeof list){for(position=-1,i=list.length-1;0<=i;i--)if(list[i]===listener||list[i].listener===listener){originalListener=list[i].listener,position=i;break}if(0>position)return this;0===position?list.shift():spliceOne(list,position),1===list.length&&(events[type]=list[0]),void 0!==events.removeListener&&this.emit("removeListener",type,originalListener||listener)}return this},EventEmitter.prototype.off=EventEmitter.prototype.removeListener,EventEmitter.prototype.removeAllListeners=function removeAllListeners(type){var listeners,events,i;if(events=this._events,void 0===events)return this;if(void 0===events.removeListener)return 0===arguments.length?(this._events=Object.create(null),this._eventsCount=0):void 0!==events[type]&&(0==--this._eventsCount?this._events=Object.create(null):delete events[type]),this;if(0===arguments.length){var keys=Object.keys(events),key;for(i=0;i<keys.length;++i)key=keys[i],"removeListener"!==key&&this.removeAllListeners(key);return this.removeAllListeners("removeListener"),this._events=Object.create(null),this._eventsCount=0,this}if(listeners=events[type],"function"==typeof listeners)this.removeListener(type,listeners);else if(void 0!==listeners)for(i=listeners.length-1;0<=i;i--)this.removeListener(type,listeners[i]);return this},EventEmitter.prototype.listeners=function listeners(type){return _listeners(this,type,!0)},EventEmitter.prototype.rawListeners=function rawListeners(type){return _listeners(this,type,!1)},EventEmitter.listenerCount=function(emitter,type){return"function"==typeof emitter.listenerCount?emitter.listenerCount(type):listenerCount.call(emitter,type)},EventEmitter.prototype.listenerCount=listenerCount,EventEmitter.prototype.eventNames=function eventNames(){return 0<this._eventsCount?ReflectOwnKeys(this._events):[]}},{}],157:[function(require,module,exports){function EVP_BytesToKey(password,salt,keyBits,ivLen){if(Buffer.isBuffer(password)||(password=Buffer.from(password,"binary")),salt&&(Buffer.isBuffer(salt)||(salt=Buffer.from(salt,"binary")),8!==salt.length))throw new RangeError("salt should be Buffer with 8 byte length");for(var keyLen=keyBits/8,key=Buffer.alloc(keyLen),iv=Buffer.alloc(ivLen||0),tmp=Buffer.alloc(0),hash;0<keyLen||0<ivLen;){hash=new MD5,hash.update(tmp),hash.update(password),salt&&hash.update(salt),tmp=hash.digest();var used=0;if(0<keyLen){var keyStart=key.length-keyLen;used=_Mathmin(keyLen,tmp.length),tmp.copy(key,keyStart,0,used),keyLen-=used}if(used<tmp.length&&0<ivLen){var ivStart=iv.length-ivLen,length=_Mathmin(ivLen,tmp.length-used);tmp.copy(iv,ivStart,used,used+length),ivLen-=length}}return tmp.fill(0),{key:key,iv:iv}}var Buffer=require("safe-buffer").Buffer,MD5=require("md5.js");module.exports=EVP_BytesToKey},{"md5.js":211,"safe-buffer":290}],158:[function(require,module,exports){function BlobReadStream(blob,opts={}){return Readable.from(blob.stream(),opts)}const{Readable,Writable}=require("streamx");require("fast-readable-async-iterator");class BlobWriteStream extends Writable{constructor(callback,opts={}){super(Object.assign({decodeStrings:!1},opts)),this.chunks=[];const mimeType=opts.mimeType;this.once("close",()=>{const blob=null==mimeType?new Blob(this.chunks):new Blob(this.chunks,{type:mimeType});callback(blob),this.emit("blob",blob)})}_write(data,cb){this.chunks.push(data),cb()}}module.exports={BlobWriteStream,BlobReadStream}},{"fast-readable-async-iterator":161,streamx:319}],159:[function(require,module,exports){module.exports=class FixedFIFO{constructor(hwm){if(!(0<hwm)||0!=(hwm-1&hwm))throw new Error("Max size for a FixedFIFO should be a power of two");this.buffer=Array(hwm),this.mask=hwm-1,this.top=0,this.btm=0,this.next=null}push(data){return!(void 0!==this.buffer[this.top])&&(this.buffer[this.top]=data,this.top=this.top+1&this.mask,!0)}shift(){const last=this.buffer[this.btm];if(void 0!==last)return this.buffer[this.btm]=void 0,this.btm=this.btm+1&this.mask,last}peek(){return this.buffer[this.btm]}isEmpty(){return this.buffer[this.btm]===void 0}}},{}],160:[function(require,module,exports){const FixedFIFO=require("./fixed-size");module.exports=class FastFIFO{constructor(hwm){this.hwm=hwm||16,this.head=new FixedFIFO(this.hwm),this.tail=this.head}push(val){if(!this.head.push(val)){const prev=this.head;this.head=prev.next=new FixedFIFO(2*this.head.buffer.length),this.head.push(val)}}shift(){const val=this.tail.shift();if(void 0===val&&this.tail.next){const next=this.tail.next;return this.tail.next=null,this.tail=next,this.tail.shift()}return val}peek(){return this.tail.peek()}isEmpty(){return this.head.isEmpty()}}},{"./fixed-size":159}],161:[function(require,module,exports){"undefined"==typeof ReadableStream||ReadableStream.prototype[Symbol.asyncIterator]||(ReadableStream.prototype[Symbol.asyncIterator]=function(){const reader=this.getReader();let last=reader.read();return{next(){const temp=last;return last=reader.read(),temp},return(){last.then(()=>reader.releaseLock())},throw(err){throw this.return(),err},[Symbol.asyncIterator](){return this}}})},{}],162:[function(require,module,exports){"use strict";var isCallable=require("is-callable"),toStr=Object.prototype.toString,hasOwnProperty=Object.prototype.hasOwnProperty,forEachArray=function forEachArray(array,iterator,receiver){for(var i=0,len=array.length;i<len;i++)hasOwnProperty.call(array,i)&&(null==receiver?iterator(array[i],i,array):iterator.call(receiver,array[i],i,array))},forEachString=function forEachString(string,iterator,receiver){for(var i=0,len=string.length;i<len;i++)null==receiver?iterator(string.charAt(i),i,string):iterator.call(receiver,string.charAt(i),i,string)},forEachObject=function forEachObject(object,iterator,receiver){for(var k in object)hasOwnProperty.call(object,k)&&(null==receiver?iterator(object[k],k,object):iterator.call(receiver,object[k],k,object))},forEach=function forEach(list,iterator,thisArg){if(!isCallable(iterator))throw new TypeError("iterator must be a function");var receiver;3<=arguments.length&&(receiver=thisArg),"[object Array]"===toStr.call(list)?forEachArray(list,iterator,receiver):"string"==typeof list?forEachString(list,iterator,receiver):forEachObject(list,iterator,receiver)};module.exports=forEach},{"is-callable":195}],163:[function(require,module,exports){var FreeList=function(){function FreeList(name,max,constructor){this.name=name,this.max=max,this.constructor=null==constructor?function(){}:constructor,this.list=[]}return FreeList.prototype.alloc=function(){return this.list.length?this.list.shift():this.constructor.apply(this,arguments)},FreeList.prototype.free=function(obj){return!!(this.list.length<this.max)&&(this.list.push(obj),!0)},FreeList}();FreeList.FreeList=FreeList,module.exports=FreeList},{}],164:[function(require,module,exports){"use strict";var ERROR_MESSAGE="Function.prototype.bind called on incompatible ",slice=Array.prototype.slice,toStr=Object.prototype.toString,funcType="[object Function]";module.exports=function bind(that){var target=this;if("function"!=typeof target||toStr.call(target)!==funcType)throw new TypeError("Function.prototype.bind called on incompatible "+target);for(var args=slice.call(arguments,1),binder=function(){if(this instanceof bound){var result=target.apply(this,args.concat(slice.call(arguments)));return Object(result)===result?result:this}return target.apply(that,args.concat(slice.call(arguments)))},boundLength=_Mathmax(0,target.length-args.length),boundArgs=[],i=0,bound;i<boundLength;i++)boundArgs.push("$"+i);if(bound=Function("binder","return function ("+boundArgs.join(",")+"){ return binder.apply(this,arguments); }")(binder),target.prototype){var Empty=function Empty(){};Empty.prototype=target.prototype,bound.prototype=new Empty,Empty.prototype=null}return bound}},{}],165:[function(require,module,exports){"use strict";var implementation=require("./implementation");module.exports=Function.prototype.bind||implementation},{"./implementation":164}],166:[function(require,module,exports){module.exports=function getBrowserRTC(){if("undefined"==typeof globalThis)return null;var wrtc={RTCPeerConnection:globalThis.RTCPeerConnection||globalThis.mozRTCPeerConnection||globalThis.webkitRTCPeerConnection,RTCSessionDescription:globalThis.RTCSessionDescription||globalThis.mozRTCSessionDescription||globalThis.webkitRTCSessionDescription,RTCIceCandidate:globalThis.RTCIceCandidate||globalThis.mozRTCIceCandidate||globalThis.webkitRTCIceCandidate};return wrtc.RTCPeerConnection?wrtc:null}},{}],167:[function(require,module,exports){"use strict";var $SyntaxError=SyntaxError,$Function=Function,$TypeError=TypeError,getEvalledConstructor=function(expressionSyntax){try{return $Function("\"use strict\"; return ("+expressionSyntax+").constructor;")()}catch(e){}},$gOPD=Object.getOwnPropertyDescriptor,undefined;if($gOPD)try{$gOPD({},"")}catch(e){$gOPD=null}var throwTypeError=function(){throw new $TypeError},ThrowTypeError=$gOPD?function(){try{return arguments.callee,throwTypeError}catch(calleeThrows){try{return $gOPD(arguments,"callee").get}catch(gOPDthrows){return throwTypeError}}}():throwTypeError,hasSymbols=require("has-symbols")(),getProto=Object.getPrototypeOf||function(x){return x.__proto__},needsEval={},TypedArray="undefined"==typeof Uint8Array?void 0:getProto(Uint8Array),INTRINSICS={"%AggregateError%":"undefined"==typeof AggregateError?void 0:AggregateError,"%Array%":Array,"%ArrayBuffer%":"undefined"==typeof ArrayBuffer?void 0:ArrayBuffer,"%ArrayIteratorPrototype%":hasSymbols?getProto([][Symbol.iterator]()):void 0,"%AsyncFromSyncIteratorPrototype%":void 0,"%AsyncFunction%":needsEval,"%AsyncGenerator%":needsEval,"%AsyncGeneratorFunction%":needsEval,"%AsyncIteratorPrototype%":needsEval,"%Atomics%":"undefined"==typeof Atomics?void 0:Atomics,"%BigInt%":"undefined"==typeof BigInt?void 0:BigInt,"%Boolean%":Boolean,"%DataView%":"undefined"==typeof DataView?void 0:DataView,"%Date%":Date,"%decodeURI%":decodeURI,"%decodeURIComponent%":decodeURIComponent,"%encodeURI%":encodeURI,"%encodeURIComponent%":encodeURIComponent,"%Error%":Error,"%eval%":eval,"%EvalError%":EvalError,"%Float32Array%":"undefined"==typeof Float32Array?void 0:Float32Array,"%Float64Array%":"undefined"==typeof Float64Array?void 0:Float64Array,"%FinalizationRegistry%":"undefined"==typeof FinalizationRegistry?void 0:FinalizationRegistry,"%Function%":$Function,"%GeneratorFunction%":needsEval,"%Int8Array%":"undefined"==typeof Int8Array?void 0:Int8Array,"%Int16Array%":"undefined"==typeof Int16Array?void 0:Int16Array,"%Int32Array%":"undefined"==typeof Int32Array?void 0:Int32Array,"%isFinite%":isFinite,"%isNaN%":isNaN,"%IteratorPrototype%":hasSymbols?getProto(getProto([][Symbol.iterator]())):void 0,"%JSON%":"object"==typeof JSON?JSON:void 0,"%Map%":"undefined"==typeof Map?void 0:Map,"%MapIteratorPrototype%":"undefined"!=typeof Map&&hasSymbols?getProto(new Map()[Symbol.iterator]()):void 0,"%Math%":Math,"%Number%":Number,"%Object%":Object,"%parseFloat%":parseFloat,"%parseInt%":parseInt,"%Promise%":"undefined"==typeof Promise?void 0:Promise,"%Proxy%":"undefined"==typeof Proxy?void 0:Proxy,"%RangeError%":RangeError,"%ReferenceError%":ReferenceError,"%Reflect%":"undefined"==typeof Reflect?void 0:Reflect,"%RegExp%":RegExp,"%Set%":"undefined"==typeof Set?void 0:Set,"%SetIteratorPrototype%":"undefined"!=typeof Set&&hasSymbols?getProto(new Set()[Symbol.iterator]()):void 0,"%SharedArrayBuffer%":"undefined"==typeof SharedArrayBuffer?void 0:SharedArrayBuffer,"%String%":String,"%StringIteratorPrototype%":hasSymbols?getProto(""[Symbol.iterator]()):void 0,"%Symbol%":hasSymbols?Symbol:void 0,"%SyntaxError%":$SyntaxError,"%ThrowTypeError%":ThrowTypeError,"%TypedArray%":TypedArray,"%TypeError%":$TypeError,"%Uint8Array%":"undefined"==typeof Uint8Array?void 0:Uint8Array,"%Uint8ClampedArray%":"undefined"==typeof Uint8ClampedArray?void 0:Uint8ClampedArray,"%Uint16Array%":"undefined"==typeof Uint16Array?void 0:Uint16Array,"%Uint32Array%":"undefined"==typeof Uint32Array?void 0:Uint32Array,"%URIError%":URIError,"%WeakMap%":"undefined"==typeof WeakMap?void 0:WeakMap,"%WeakRef%":"undefined"==typeof WeakRef?void 0:WeakRef,"%WeakSet%":"undefined"==typeof WeakSet?void 0:WeakSet},doEval=function doEval(name){var value;if("%AsyncFunction%"===name)value=getEvalledConstructor("async function () {}");else if("%GeneratorFunction%"===name)value=getEvalledConstructor("function* () {}");else if("%AsyncGeneratorFunction%"===name)value=getEvalledConstructor("async function* () {}");else if("%AsyncGenerator%"===name){var fn=doEval("%AsyncGeneratorFunction%");fn&&(value=fn.prototype)}else if("%AsyncIteratorPrototype%"===name){var gen=doEval("%AsyncGenerator%");gen&&(value=getProto(gen.prototype))}return INTRINSICS[name]=value,value},LEGACY_ALIASES={"%ArrayBufferPrototype%":["ArrayBuffer","prototype"],"%ArrayPrototype%":["Array","prototype"],"%ArrayProto_entries%":["Array","prototype","entries"],"%ArrayProto_forEach%":["Array","prototype","forEach"],"%ArrayProto_keys%":["Array","prototype","keys"],"%ArrayProto_values%":["Array","prototype","values"],"%AsyncFunctionPrototype%":["AsyncFunction","prototype"],"%AsyncGenerator%":["AsyncGeneratorFunction","prototype"],"%AsyncGeneratorPrototype%":["AsyncGeneratorFunction","prototype","prototype"],"%BooleanPrototype%":["Boolean","prototype"],"%DataViewPrototype%":["DataView","prototype"],"%DatePrototype%":["Date","prototype"],"%ErrorPrototype%":["Error","prototype"],"%EvalErrorPrototype%":["EvalError","prototype"],"%Float32ArrayPrototype%":["Float32Array","prototype"],"%Float64ArrayPrototype%":["Float64Array","prototype"],"%FunctionPrototype%":["Function","prototype"],"%Generator%":["GeneratorFunction","prototype"],"%GeneratorPrototype%":["GeneratorFunction","prototype","prototype"],"%Int8ArrayPrototype%":["Int8Array","prototype"],"%Int16ArrayPrototype%":["Int16Array","prototype"],"%Int32ArrayPrototype%":["Int32Array","prototype"],"%JSONParse%":["JSON","parse"],"%JSONStringify%":["JSON","stringify"],"%MapPrototype%":["Map","prototype"],"%NumberPrototype%":["Number","prototype"],"%ObjectPrototype%":["Object","prototype"],"%ObjProto_toString%":["Object","prototype","toString"],"%ObjProto_valueOf%":["Object","prototype","valueOf"],"%PromisePrototype%":["Promise","prototype"],"%PromiseProto_then%":["Promise","prototype","then"],"%Promise_all%":["Promise","all"],"%Promise_reject%":["Promise","reject"],"%Promise_resolve%":["Promise","resolve"],"%RangeErrorPrototype%":["RangeError","prototype"],"%ReferenceErrorPrototype%":["ReferenceError","prototype"],"%RegExpPrototype%":["RegExp","prototype"],"%SetPrototype%":["Set","prototype"],"%SharedArrayBufferPrototype%":["SharedArrayBuffer","prototype"],"%StringPrototype%":["String","prototype"],"%SymbolPrototype%":["Symbol","prototype"],"%SyntaxErrorPrototype%":["SyntaxError","prototype"],"%TypedArrayPrototype%":["TypedArray","prototype"],"%TypeErrorPrototype%":["TypeError","prototype"],"%Uint8ArrayPrototype%":["Uint8Array","prototype"],"%Uint8ClampedArrayPrototype%":["Uint8ClampedArray","prototype"],"%Uint16ArrayPrototype%":["Uint16Array","prototype"],"%Uint32ArrayPrototype%":["Uint32Array","prototype"],"%URIErrorPrototype%":["URIError","prototype"],"%WeakMapPrototype%":["WeakMap","prototype"],"%WeakSetPrototype%":["WeakSet","prototype"]},bind=require("function-bind"),hasOwn=require("has"),$concat=bind.call(Function.call,Array.prototype.concat),$spliceApply=bind.call(Function.apply,Array.prototype.splice),$replace=bind.call(Function.call,_Stringprototype.replace),$strSlice=bind.call(Function.call,_Stringprototype.slice),$exec=bind.call(Function.call,RegExp.prototype.exec),rePropName=/[^%.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|%$))/g,reEscapeChar=/\\(\\)?/g,stringToPath=function stringToPath(string){var first=$strSlice(string,0,1),last=$strSlice(string,-1);if("%"===first&&"%"!==last)throw new $SyntaxError("invalid intrinsic syntax, expected closing `%`");else if("%"===last&&"%"!==first)throw new $SyntaxError("invalid intrinsic syntax, expected opening `%`");var result=[];return $replace(string,rePropName,function(match,number,quote,subString){result[result.length]=quote?$replace(subString,reEscapeChar,"$1"):number||match}),result},getBaseIntrinsic=function getBaseIntrinsic(name,allowMissing){var intrinsicName=name,alias;if(hasOwn(LEGACY_ALIASES,intrinsicName)&&(alias=LEGACY_ALIASES[intrinsicName],intrinsicName="%"+alias[0]+"%"),hasOwn(INTRINSICS,intrinsicName)){var value=INTRINSICS[intrinsicName];if(value===needsEval&&(value=doEval(intrinsicName)),"undefined"==typeof value&&!allowMissing)throw new $TypeError("intrinsic "+name+" exists, but is not available. Please file an issue!");return{alias:alias,name:intrinsicName,value:value}}throw new $SyntaxError("intrinsic "+name+" does not exist!")};module.exports=function GetIntrinsic(name,allowMissing){if("string"!=typeof name||0===name.length)throw new $TypeError("intrinsic name must be a non-empty string");if(1<arguments.length&&"boolean"!=typeof allowMissing)throw new $TypeError("\"allowMissing\" argument must be a boolean");if(null===$exec(/^%?[^%]*%?$/,name))throw new $SyntaxError("`%` may not be present anywhere but at the beginning and end of the intrinsic name");var parts=stringToPath(name),intrinsicBaseName=0<parts.length?parts[0]:"",intrinsic=getBaseIntrinsic("%"+intrinsicBaseName+"%",allowMissing),intrinsicRealName=intrinsic.name,value=intrinsic.value,skipFurtherCaching=!1,alias=intrinsic.alias;alias&&(intrinsicBaseName=alias[0],$spliceApply(parts,$concat([0,1],alias)));for(var i=1,isOwn=!0;i<parts.length;i+=1){var part=parts[i],first=$strSlice(part,0,1),last=$strSlice(part,-1);if(("\""===first||"'"===first||"`"===first||"\""===last||"'"===last||"`"===last)&&first!==last)throw new $SyntaxError("property names with quotes must have matching quotes");if("constructor"!==part&&isOwn||(skipFurtherCaching=!0),intrinsicBaseName+="."+part,intrinsicRealName="%"+intrinsicBaseName+"%",hasOwn(INTRINSICS,intrinsicRealName))value=INTRINSICS[intrinsicRealName];else if(null!=value){if(!(part in value)){if(!allowMissing)throw new $TypeError("base intrinsic for "+name+" exists, but the property is not available.");return}if($gOPD&&i+1>=parts.length){var desc=$gOPD(value,part);isOwn=!!desc,value=isOwn&&"get"in desc&&!("originalValue"in desc.get)?desc.get:value[part]}else isOwn=hasOwn(value,part),value=value[part];isOwn&&!skipFurtherCaching&&(INTRINSICS[intrinsicRealName]=value)}}return value}},{"function-bind":165,has:171,"has-symbols":168}],168:[function(require,module,exports){"use strict";var origSymbol="undefined"!=typeof Symbol&&Symbol,hasSymbolSham=require("./shams");module.exports=function hasNativeSymbols(){return!("function"!=typeof origSymbol)&&!("function"!=typeof Symbol)&&!("symbol"!=typeof origSymbol("foo"))&&!("symbol"!=typeof Symbol("bar"))&&hasSymbolSham()}},{"./shams":169}],169:[function(require,module,exports){"use strict";module.exports=function hasSymbols(){if("function"!=typeof Symbol||"function"!=typeof Object.getOwnPropertySymbols)return!1;if("symbol"==typeof Symbol.iterator)return!0;var obj={},sym=Symbol("test"),symObj=Object(sym);if("string"==typeof sym)return!1;if("[object Symbol]"!==Object.prototype.toString.call(sym))return!1;if("[object Symbol]"!==Object.prototype.toString.call(symObj))return!1;var symVal=42;for(sym in obj[sym]=42,obj)return!1;if("function"==typeof Object.keys&&0!==Object.keys(obj).length)return!1;if("function"==typeof Object.getOwnPropertyNames&&0!==Object.getOwnPropertyNames(obj).length)return!1;var syms=Object.getOwnPropertySymbols(obj);if(1!==syms.length||syms[0]!==sym)return!1;if(!Object.prototype.propertyIsEnumerable.call(obj,sym))return!1;if("function"==typeof Object.getOwnPropertyDescriptor){var descriptor=Object.getOwnPropertyDescriptor(obj,sym);if(42!==descriptor.value||!0!==descriptor.enumerable)return!1}return!0}},{}],170:[function(require,module,exports){"use strict";var hasSymbols=require("has-symbols/shams");module.exports=function hasToStringTagShams(){return hasSymbols()&&!!Symbol.toStringTag}},{"has-symbols/shams":169}],171:[function(require,module,exports){"use strict";var bind=require("function-bind");module.exports=bind.call(Function.call,Object.prototype.hasOwnProperty)},{"function-bind":165}],172:[function(require,module,exports){"use strict";function throwIfNotStringOrBuffer(val,prefix){if(!Buffer.isBuffer(val)&&"string"!=typeof val)throw new TypeError(prefix+" must be a string or a buffer")}function HashBase(blockSize){Transform.call(this),this._block=Buffer.allocUnsafe(blockSize),this._blockSize=blockSize,this._blockOffset=0,this._length=[0,0,0,0],this._finalized=!1}var Buffer=require("safe-buffer").Buffer,Transform=require("readable-stream").Transform,inherits=require("inherits");inherits(HashBase,Transform),HashBase.prototype._transform=function(chunk,encoding,callback){var error=null;try{this.update(chunk,encoding)}catch(err){error=err}callback(error)},HashBase.prototype._flush=function(callback){var error=null;try{this.push(this.digest())}catch(err){error=err}callback(error)},HashBase.prototype.update=function(data,encoding){if(throwIfNotStringOrBuffer(data,"Data"),this._finalized)throw new Error("Digest already called");Buffer.isBuffer(data)||(data=Buffer.from(data,encoding));for(var block=this._block,offset=0;this._blockOffset+data.length-offset>=this._blockSize;){for(var i=this._blockOffset;i<this._blockSize;)block[i++]=data[offset++];this._update(),this._blockOffset=0}for(;offset<data.length;)block[this._blockOffset++]=data[offset++];for(var j=0,carry=8*data.length;0<carry;++j)this._length[j]+=carry,carry=0|this._length[j]/4294967296,0<carry&&(this._length[j]-=4294967296*carry);return this},HashBase.prototype._update=function(){throw new Error("_update is not implemented")},HashBase.prototype.digest=function(encoding){if(this._finalized)throw new Error("Digest already called");this._finalized=!0;var digest=this._digest();encoding!==void 0&&(digest=digest.toString(encoding)),this._block.fill(0),this._blockOffset=0;for(var i=0;4>i;++i)this._length[i]=0;return digest},HashBase.prototype._digest=function(){throw new Error("_digest is not implemented")},module.exports=HashBase},{inherits:190,"readable-stream":281,"safe-buffer":290}],173:[function(require,module,exports){var hash=exports;hash.utils=require("./hash/utils"),hash.common=require("./hash/common"),hash.sha=require("./hash/sha"),hash.ripemd=require("./hash/ripemd"),hash.hmac=require("./hash/hmac"),hash.sha1=hash.sha.sha1,hash.sha256=hash.sha.sha256,hash.sha224=hash.sha.sha224,hash.sha384=hash.sha.sha384,hash.sha512=hash.sha.sha512,hash.ripemd160=hash.ripemd.ripemd160},{"./hash/common":174,"./hash/hmac":175,"./hash/ripemd":176,"./hash/sha":177,"./hash/utils":184}],174:[function(require,module,exports){"use strict";function BlockHash(){this.pending=null,this.pendingTotal=0,this.blockSize=this.constructor.blockSize,this.outSize=this.constructor.outSize,this.hmacStrength=this.constructor.hmacStrength,this.padLength=this.constructor.padLength/8,this.endian="big",this._delta8=this.blockSize/8,this._delta32=this.blockSize/32}var utils=require("./utils"),assert=require("minimalistic-assert");exports.BlockHash=BlockHash,BlockHash.prototype.update=function update(msg,enc){if(msg=utils.toArray(msg,enc),this.pending=this.pending?this.pending.concat(msg):msg,this.pendingTotal+=msg.length,this.pending.length>=this._delta8){msg=this.pending;var r=msg.length%this._delta8;this.pending=msg.slice(msg.length-r,msg.length),0===this.pending.length&&(this.pending=null),msg=utils.join32(msg,0,msg.length-r,this.endian);for(var i=0;i<msg.length;i+=this._delta32)this._update(msg,i,i+this._delta32)}return this},BlockHash.prototype.digest=function digest(enc){return this.update(this._pad()),assert(null===this.pending),this._digest(enc)},BlockHash.prototype._pad=function pad(){var len=this.pendingTotal,bytes=this._delta8,k=bytes-(len+this.padLength)%bytes,res=Array(k+this.padLength);res[0]=128;for(var i=1;i<k;i++)res[i]=0;if(len<<=3,"big"===this.endian){for(var t=8;t<this.padLength;t++)res[i++]=0;res[i++]=0,res[i++]=0,res[i++]=0,res[i++]=0,res[i++]=255&len>>>24,res[i++]=255&len>>>16,res[i++]=255&len>>>8,res[i++]=255&len}else for(res[i++]=255&len,res[i++]=255&len>>>8,res[i++]=255&len>>>16,res[i++]=255&len>>>24,res[i++]=0,res[i++]=0,res[i++]=0,res[i++]=0,t=8;t<this.padLength;t++)res[i++]=0;return res}},{"./utils":184,"minimalistic-assert":220}],175:[function(require,module,exports){"use strict";function Hmac(hash,key,enc){return this instanceof Hmac?void(this.Hash=hash,this.blockSize=hash.blockSize/8,this.outSize=hash.outSize/8,this.inner=null,this.outer=null,this._init(utils.toArray(key,enc))):new Hmac(hash,key,enc)}var utils=require("./utils"),assert=require("minimalistic-assert");module.exports=Hmac,Hmac.prototype._init=function init(key){key.length>this.blockSize&&(key=new this.Hash().update(key).digest()),assert(key.length<=this.blockSize);for(var i=key.length;i<this.blockSize;i++)key.push(0);for(i=0;i<key.length;i++)key[i]^=54;for(this.inner=new this.Hash().update(key),i=0;i<key.length;i++)key[i]^=106;this.outer=new this.Hash().update(key)},Hmac.prototype.update=function update(msg,enc){return this.inner.update(msg,enc),this},Hmac.prototype.digest=function digest(enc){return this.outer.update(this.inner.digest()),this.outer.digest(enc)}},{"./utils":184,"minimalistic-assert":220}],176:[function(require,module,exports){"use strict";function RIPEMD160(){return this instanceof RIPEMD160?void(BlockHash.call(this),this.h=[1732584193,4023233417,2562383102,271733878,3285377520],this.endian="little"):new RIPEMD160}function f(j,x,y,z){return 15>=j?x^y^z:31>=j?x&y|~x&z:47>=j?(x|~y)^z:63>=j?x&z|y&~z:x^(y|~z)}function K(j){return 15>=j?0:31>=j?1518500249:47>=j?1859775393:63>=j?2400959708:2840853838}function Kh(j){return 15>=j?1352829926:31>=j?1548603684:47>=j?1836072691:63>=j?2053994217:0}var utils=require("./utils"),common=require("./common"),rotl32=utils.rotl32,sum32=utils.sum32,sum32_3=utils.sum32_3,sum32_4=utils.sum32_4,BlockHash=common.BlockHash;utils.inherits(RIPEMD160,BlockHash),exports.ripemd160=RIPEMD160,RIPEMD160.blockSize=512,RIPEMD160.outSize=160,RIPEMD160.hmacStrength=192,RIPEMD160.padLength=64,RIPEMD160.prototype._update=function update(msg,start){for(var A=this.h[0],B=this.h[1],C=this.h[2],D=this.h[3],E=this.h[4],Ah=A,Bh=B,Ch=C,Dh=D,Eh=E,j=0,T;80>j;j++)T=sum32(rotl32(sum32_4(A,f(j,B,C,D),msg[r[j]+start],K(j)),s[j]),E),A=E,E=D,D=rotl32(C,10),C=B,B=T,T=sum32(rotl32(sum32_4(Ah,f(79-j,Bh,Ch,Dh),msg[rh[j]+start],Kh(j)),sh[j]),Eh),Ah=Eh,Eh=Dh,Dh=rotl32(Ch,10),Ch=Bh,Bh=T;T=sum32_3(this.h[1],C,Dh),this.h[1]=sum32_3(this.h[2],D,Eh),this.h[2]=sum32_3(this.h[3],E,Ah),this.h[3]=sum32_3(this.h[4],A,Bh),this.h[4]=sum32_3(this.h[0],B,Ch),this.h[0]=T},RIPEMD160.prototype._digest=function digest(enc){return"hex"===enc?utils.toHex32(this.h,"little"):utils.split32(this.h,"little")};var r=[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,7,4,13,1,10,6,15,3,12,0,9,5,2,14,11,8,3,10,14,4,9,15,8,1,2,7,0,6,13,11,5,12,1,9,11,10,0,8,12,4,13,3,7,15,14,5,6,2,4,0,5,9,7,12,2,10,14,1,3,8,11,6,15,13],rh=[5,14,7,0,9,2,11,4,13,6,15,8,1,10,3,12,6,11,3,7,0,13,5,10,14,15,8,12,4,9,1,2,15,5,1,3,7,14,6,9,11,8,12,2,10,0,4,13,8,6,4,1,3,11,15,0,5,12,2,13,9,7,10,14,12,15,10,4,1,5,8,7,6,2,13,14,0,3,9,11],s=[11,14,15,12,5,8,7,9,11,13,14,15,6,7,9,8,7,6,8,13,11,9,7,15,7,12,15,9,11,7,13,12,11,13,6,7,14,9,13,15,14,8,13,6,5,12,7,5,11,12,14,15,14,15,9,8,9,14,5,6,8,6,5,12,9,15,5,11,6,8,13,12,5,12,13,14,11,8,5,6],sh=[8,9,9,11,13,15,15,5,7,7,8,11,14,14,12,6,9,13,15,7,12,8,9,11,7,7,12,7,6,15,13,11,9,7,15,11,8,6,6,14,12,13,5,14,13,13,7,5,15,5,8,11,14,14,6,14,6,9,12,9,12,5,15,8,8,5,12,9,12,5,14,6,8,13,6,5,15,13,11,11]},{"./common":174,"./utils":184}],177:[function(require,module,exports){"use strict";exports.sha1=require("./sha/1"),exports.sha224=require("./sha/224"),exports.sha256=require("./sha/256"),exports.sha384=require("./sha/384"),exports.sha512=require("./sha/512")},{"./sha/1":178,"./sha/224":179,"./sha/256":180,"./sha/384":181,"./sha/512":182}],178:[function(require,module,exports){"use strict";function SHA1(){return this instanceof SHA1?void(BlockHash.call(this),this.h=[1732584193,4023233417,2562383102,271733878,3285377520],this.W=Array(80)):new SHA1}var utils=require("../utils"),common=require("../common"),shaCommon=require("./common"),rotl32=utils.rotl32,sum32=utils.sum32,sum32_5=utils.sum32_5,ft_1=shaCommon.ft_1,BlockHash=common.BlockHash,sha1_K=[1518500249,1859775393,2400959708,3395469782];utils.inherits(SHA1,BlockHash),module.exports=SHA1,SHA1.blockSize=512,SHA1.outSize=160,SHA1.hmacStrength=80,SHA1.padLength=64,SHA1.prototype._update=function _update(msg,start){for(var W=this.W,i=0;16>i;i++)W[i]=msg[start+i];for(;i<W.length;i++)W[i]=rotl32(W[i-3]^W[i-8]^W[i-14]^W[i-16],1);var a=this.h[0],b=this.h[1],c=this.h[2],d=this.h[3],e=this.h[4];for(i=0;i<W.length;i++){var s=~~(i/20),t=sum32_5(rotl32(a,5),ft_1(s,b,c,d),e,W[i],sha1_K[s]);e=d,d=c,c=rotl32(b,30),b=a,a=t}this.h[0]=sum32(this.h[0],a),this.h[1]=sum32(this.h[1],b),this.h[2]=sum32(this.h[2],c),this.h[3]=sum32(this.h[3],d),this.h[4]=sum32(this.h[4],e)},SHA1.prototype._digest=function digest(enc){return"hex"===enc?utils.toHex32(this.h,"big"):utils.split32(this.h,"big")}},{"../common":174,"../utils":184,"./common":183}],179:[function(require,module,exports){"use strict";function SHA224(){return this instanceof SHA224?void(SHA256.call(this),this.h=[3238371032,914150663,812702999,4144912697,4290775857,1750603025,1694076839,3204075428]):new SHA224}var utils=require("../utils"),SHA256=require("./256");utils.inherits(SHA224,SHA256),module.exports=SHA224,SHA224.blockSize=512,SHA224.outSize=224,SHA224.hmacStrength=192,SHA224.padLength=64,SHA224.prototype._digest=function digest(enc){return"hex"===enc?utils.toHex32(this.h.slice(0,7),"big"):utils.split32(this.h.slice(0,7),"big")}},{"../utils":184,"./256":180}],180:[function(require,module,exports){"use strict";function SHA256(){return this instanceof SHA256?void(BlockHash.call(this),this.h=[1779033703,3144134277,1013904242,2773480762,1359893119,2600822924,528734635,1541459225],this.k=sha256_K,this.W=Array(64)):new SHA256}var utils=require("../utils"),common=require("../common"),shaCommon=require("./common"),assert=require("minimalistic-assert"),sum32=utils.sum32,sum32_4=utils.sum32_4,sum32_5=utils.sum32_5,ch32=shaCommon.ch32,maj32=shaCommon.maj32,s0_256=shaCommon.s0_256,s1_256=shaCommon.s1_256,g0_256=shaCommon.g0_256,g1_256=shaCommon.g1_256,BlockHash=common.BlockHash,sha256_K=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298];utils.inherits(SHA256,BlockHash),module.exports=SHA256,SHA256.blockSize=512,SHA256.outSize=256,SHA256.hmacStrength=192,SHA256.padLength=64,SHA256.prototype._update=function _update(msg,start){for(var W=this.W,i=0;16>i;i++)W[i]=msg[start+i];for(;i<W.length;i++)W[i]=sum32_4(g1_256(W[i-2]),W[i-7],g0_256(W[i-15]),W[i-16]);var a=this.h[0],b=this.h[1],c=this.h[2],d=this.h[3],e=this.h[4],f=this.h[5],g=this.h[6],h=this.h[7];for(assert(this.k.length===W.length),i=0;i<W.length;i++){var T1=sum32_5(h,s1_256(e),ch32(e,f,g),this.k[i],W[i]),T2=sum32(s0_256(a),maj32(a,b,c));h=g,g=f,f=e,e=sum32(d,T1),d=c,c=b,b=a,a=sum32(T1,T2)}this.h[0]=sum32(this.h[0],a),this.h[1]=sum32(this.h[1],b),this.h[2]=sum32(this.h[2],c),this.h[3]=sum32(this.h[3],d),this.h[4]=sum32(this.h[4],e),this.h[5]=sum32(this.h[5],f),this.h[6]=sum32(this.h[6],g),this.h[7]=sum32(this.h[7],h)},SHA256.prototype._digest=function digest(enc){return"hex"===enc?utils.toHex32(this.h,"big"):utils.split32(this.h,"big")}},{"../common":174,"../utils":184,"./common":183,"minimalistic-assert":220}],181:[function(require,module,exports){"use strict";function SHA384(){return this instanceof SHA384?void(SHA512.call(this),this.h=[3418070365,3238371032,1654270250,914150663,2438529370,812702999,355462360,4144912697,1731405415,4290775857,2394180231,1750603025,3675008525,1694076839,1203062813,3204075428]):new SHA384}var utils=require("../utils"),SHA512=require("./512");utils.inherits(SHA384,SHA512),module.exports=SHA384,SHA384.blockSize=1024,SHA384.outSize=384,SHA384.hmacStrength=192,SHA384.padLength=128,SHA384.prototype._digest=function digest(enc){return"hex"===enc?utils.toHex32(this.h.slice(0,12),"big"):utils.split32(this.h.slice(0,12),"big")}},{"../utils":184,"./512":182}],182:[function(require,module,exports){"use strict";function SHA512(){return this instanceof SHA512?void(BlockHash.call(this),this.h=[1779033703,4089235720,3144134277,2227873595,1013904242,4271175723,2773480762,1595750129,1359893119,2917565137,2600822924,725511199,528734635,4215389547,1541459225,327033209],this.k=sha512_K,this.W=Array(160)):new SHA512}function ch64_hi(xh,xl,yh,yl,zh){var r=xh&yh^~xh&zh;return 0>r&&(r+=4294967296),r}function ch64_lo(xh,xl,yh,yl,zh,zl){var r=xl&yl^~xl&zl;return 0>r&&(r+=4294967296),r}function maj64_hi(xh,xl,yh,yl,zh){var r=xh&yh^xh&zh^yh&zh;return 0>r&&(r+=4294967296),r}function maj64_lo(xh,xl,yh,yl,zh,zl){var r=xl&yl^xl&zl^yl&zl;return 0>r&&(r+=4294967296),r}function s0_512_hi(xh,xl){var c0_hi=rotr64_hi(xh,xl,28),c1_hi=rotr64_hi(xl,xh,2),c2_hi=rotr64_hi(xl,xh,7),r=c0_hi^c1_hi^c2_hi;return 0>r&&(r+=4294967296),r}function s0_512_lo(xh,xl){var c0_lo=rotr64_lo(xh,xl,28),c1_lo=rotr64_lo(xl,xh,2),c2_lo=rotr64_lo(xl,xh,7),r=c0_lo^c1_lo^c2_lo;return 0>r&&(r+=4294967296),r}function s1_512_hi(xh,xl){var c0_hi=rotr64_hi(xh,xl,14),c1_hi=rotr64_hi(xh,xl,18),c2_hi=rotr64_hi(xl,xh,9),r=c0_hi^c1_hi^c2_hi;return 0>r&&(r+=4294967296),r}function s1_512_lo(xh,xl){var c0_lo=rotr64_lo(xh,xl,14),c1_lo=rotr64_lo(xh,xl,18),c2_lo=rotr64_lo(xl,xh,9),r=c0_lo^c1_lo^c2_lo;return 0>r&&(r+=4294967296),r}function g0_512_hi(xh,xl){var c0_hi=rotr64_hi(xh,xl,1),c1_hi=rotr64_hi(xh,xl,8),c2_hi=shr64_hi(xh,xl,7),r=c0_hi^c1_hi^c2_hi;return 0>r&&(r+=4294967296),r}function g0_512_lo(xh,xl){var c0_lo=rotr64_lo(xh,xl,1),c1_lo=rotr64_lo(xh,xl,8),c2_lo=shr64_lo(xh,xl,7),r=c0_lo^c1_lo^c2_lo;return 0>r&&(r+=4294967296),r}function g1_512_hi(xh,xl){var c0_hi=rotr64_hi(xh,xl,19),c1_hi=rotr64_hi(xl,xh,29),c2_hi=shr64_hi(xh,xl,6),r=c0_hi^c1_hi^c2_hi;return 0>r&&(r+=4294967296),r}function g1_512_lo(xh,xl){var c0_lo=rotr64_lo(xh,xl,19),c1_lo=rotr64_lo(xl,xh,29),c2_lo=shr64_lo(xh,xl,6),r=c0_lo^c1_lo^c2_lo;return 0>r&&(r+=4294967296),r}var utils=require("../utils"),common=require("../common"),assert=require("minimalistic-assert"),rotr64_hi=utils.rotr64_hi,rotr64_lo=utils.rotr64_lo,shr64_hi=utils.shr64_hi,shr64_lo=utils.shr64_lo,sum64=utils.sum64,sum64_hi=utils.sum64_hi,sum64_lo=utils.sum64_lo,sum64_4_hi=utils.sum64_4_hi,sum64_4_lo=utils.sum64_4_lo,sum64_5_hi=utils.sum64_5_hi,sum64_5_lo=utils.sum64_5_lo,BlockHash=common.BlockHash,sha512_K=[1116352408,3609767458,1899447441,602891725,3049323471,3964484399,3921009573,2173295548,961987163,4081628472,1508970993,3053834265,2453635748,2937671579,2870763221,3664609560,3624381080,2734883394,310598401,1164996542,607225278,1323610764,1426881987,3590304994,1925078388,4068182383,2162078206,991336113,2614888103,633803317,3248222580,3479774868,3835390401,2666613458,4022224774,944711139,264347078,2341262773,604807628,2007800933,770255983,1495990901,1249150122,1856431235,1555081692,3175218132,1996064986,2198950837,2554220882,3999719339,2821834349,766784016,2952996808,2566594879,3210313671,3203337956,3336571891,1034457026,3584528711,2466948901,113926993,3758326383,338241895,168717936,666307205,1188179964,773529912,1546045734,1294757372,1522805485,1396182291,2643833823,1695183700,2343527390,1986661051,1014477480,2177026350,1206759142,2456956037,344077627,2730485921,1290863460,2820302411,3158454273,3259730800,3505952657,3345764771,106217008,3516065817,3606008344,3600352804,1432725776,4094571909,1467031594,275423344,851169720,430227734,3100823752,506948616,1363258195,659060556,3750685593,883997877,3785050280,958139571,3318307427,1322822218,3812723403,1537002063,2003034995,1747873779,3602036899,1955562222,1575990012,2024104815,1125592928,2227730452,2716904306,2361852424,442776044,2428436474,593698344,2756734187,3733110249,3204031479,2999351573,3329325298,3815920427,3391569614,3928383900,3515267271,566280711,3940187606,3454069534,4118630271,4000239992,116418474,1914138554,174292421,2731055270,289380356,3203993006,460393269,320620315,685471733,587496836,852142971,1086792851,1017036298,365543100,1126000580,2618297676,1288033470,3409855158,1501505948,4234509866,1607167915,987167468,1816402316,1246189591];utils.inherits(SHA512,BlockHash),module.exports=SHA512,SHA512.blockSize=1024,SHA512.outSize=512,SHA512.hmacStrength=192,SHA512.padLength=128,SHA512.prototype._prepareBlock=function _prepareBlock(msg,start){for(var W=this.W,i=0;32>i;i++)W[i]=msg[start+i];for(;i<W.length;i+=2){var c0_hi=g1_512_hi(W[i-4],W[i-3]),c0_lo=g1_512_lo(W[i-4],W[i-3]),c1_hi=W[i-14],c1_lo=W[i-13],c2_hi=g0_512_hi(W[i-30],W[i-29]),c2_lo=g0_512_lo(W[i-30],W[i-29]),c3_hi=W[i-32],c3_lo=W[i-31];W[i]=sum64_4_hi(c0_hi,c0_lo,c1_hi,c1_lo,c2_hi,c2_lo,c3_hi,c3_lo),W[i+1]=sum64_4_lo(c0_hi,c0_lo,c1_hi,c1_lo,c2_hi,c2_lo,c3_hi,c3_lo)}},SHA512.prototype._update=function _update(msg,start){this._prepareBlock(msg,start);var W=this.W,ah=this.h[0],al=this.h[1],bh=this.h[2],bl=this.h[3],ch=this.h[4],cl=this.h[5],dh=this.h[6],dl=this.h[7],eh=this.h[8],el=this.h[9],fh=this.h[10],fl=this.h[11],gh=this.h[12],gl=this.h[13],hh=this.h[14],hl=this.h[15];assert(this.k.length===W.length);for(var i=0;i<W.length;i+=2){var c0_hi=hh,c0_lo=hl,c1_hi=s1_512_hi(eh,el),c1_lo=s1_512_lo(eh,el),c2_hi=ch64_hi(eh,el,fh,fl,gh,gl),c2_lo=ch64_lo(eh,el,fh,fl,gh,gl),c3_hi=this.k[i],c3_lo=this.k[i+1],c4_hi=W[i],c4_lo=W[i+1],T1_hi=sum64_5_hi(c0_hi,c0_lo,c1_hi,c1_lo,c2_hi,c2_lo,c3_hi,c3_lo,c4_hi,c4_lo),T1_lo=sum64_5_lo(c0_hi,c0_lo,c1_hi,c1_lo,c2_hi,c2_lo,c3_hi,c3_lo,c4_hi,c4_lo);c0_hi=s0_512_hi(ah,al),c0_lo=s0_512_lo(ah,al),c1_hi=maj64_hi(ah,al,bh,bl,ch,cl),c1_lo=maj64_lo(ah,al,bh,bl,ch,cl);var T2_hi=sum64_hi(c0_hi,c0_lo,c1_hi,c1_lo),T2_lo=sum64_lo(c0_hi,c0_lo,c1_hi,c1_lo);hh=gh,hl=gl,gh=fh,gl=fl,fh=eh,fl=el,eh=sum64_hi(dh,dl,T1_hi,T1_lo),el=sum64_lo(dl,dl,T1_hi,T1_lo),dh=ch,dl=cl,ch=bh,cl=bl,bh=ah,bl=al,ah=sum64_hi(T1_hi,T1_lo,T2_hi,T2_lo),al=sum64_lo(T1_hi,T1_lo,T2_hi,T2_lo)}sum64(this.h,0,ah,al),sum64(this.h,2,bh,bl),sum64(this.h,4,ch,cl),sum64(this.h,6,dh,dl),sum64(this.h,8,eh,el),sum64(this.h,10,fh,fl),sum64(this.h,12,gh,gl),sum64(this.h,14,hh,hl)},SHA512.prototype._digest=function digest(enc){return"hex"===enc?utils.toHex32(this.h,"big"):utils.split32(this.h,"big")}},{"../common":174,"../utils":184,"minimalistic-assert":220}],183:[function(require,module,exports){"use strict";function ft_1(s,x,y,z){return 0===s?ch32(x,y,z):1===s||3===s?p32(x,y,z):2===s?maj32(x,y,z):void 0}function ch32(x,y,z){return x&y^~x&z}function maj32(x,y,z){return x&y^x&z^y&z}function p32(x,y,z){return x^y^z}function s0_256(x){return rotr32(x,2)^rotr32(x,13)^rotr32(x,22)}function s1_256(x){return rotr32(x,6)^rotr32(x,11)^rotr32(x,25)}function g0_256(x){return rotr32(x,7)^rotr32(x,18)^x>>>3}function g1_256(x){return rotr32(x,17)^rotr32(x,19)^x>>>10}var utils=require("../utils"),rotr32=utils.rotr32;exports.ft_1=ft_1,exports.ch32=ch32,exports.maj32=maj32,exports.p32=p32,exports.s0_256=s0_256,exports.s1_256=s1_256,exports.g0_256=g0_256,exports.g1_256=g1_256},{"../utils":184}],184:[function(require,module,exports){"use strict";function isSurrogatePair(msg,i){return!(55296!=(64512&msg.charCodeAt(i)))&&!(0>i||i+1>=msg.length)&&56320==(64512&msg.charCodeAt(i+1))}function toArray(msg,enc){if(Array.isArray(msg))return msg.slice();if(!msg)return[];var res=[];if(!("string"==typeof msg))for(i=0;i<msg.length;i++)res[i]=0|msg[i];else if(!enc)for(var p=0,i=0,c;i<msg.length;i++)c=msg.charCodeAt(i),128>c?res[p++]=c:2048>c?(res[p++]=192|c>>6,res[p++]=128|63&c):isSurrogatePair(msg,i)?(c=65536+((1023&c)<<10)+(1023&msg.charCodeAt(++i)),res[p++]=240|c>>18,res[p++]=128|63&c>>12,res[p++]=128|63&c>>6,res[p++]=128|63&c):(res[p++]=224|c>>12,res[p++]=128|63&c>>6,res[p++]=128|63&c);else if("hex"===enc)for(msg=msg.replace(/[^a-z0-9]+/ig,""),0!=msg.length%2&&(msg="0"+msg),i=0;i<msg.length;i+=2)res.push(parseInt(msg[i]+msg[i+1],16));return res}function toHex(msg){for(var res="",i=0;i<msg.length;i++)res+=zero2(msg[i].toString(16));return res}function htonl(w){var res=w>>>24|65280&w>>>8|16711680&w<<8|(255&w)<<24;return res>>>0}function toHex32(msg,endian){for(var res="",i=0,w;i<msg.length;i++)w=msg[i],"little"===endian&&(w=htonl(w)),res+=zero8(w.toString(16));return res}function zero2(word){return 1===word.length?"0"+word:word}function zero8(word){return 7===word.length?"0"+word:6===word.length?"00"+word:5===word.length?"000"+word:4===word.length?"0000"+word:3===word.length?"00000"+word:2===word.length?"000000"+word:1===word.length?"0000000"+word:word}function join32(msg,start,end,endian){var len=end-start;assert(0==len%4);for(var res=Array(len/4),i=0,k=start;i<res.length;i++,k+=4){var w;w="big"===endian?msg[k]<<24|msg[k+1]<<16|msg[k+2]<<8|msg[k+3]:msg[k+3]<<24|msg[k+2]<<16|msg[k+1]<<8|msg[k],res[i]=w>>>0}return res}function split32(msg,endian){for(var res=Array(4*msg.length),i=0,k=0,m;i<msg.length;i++,k+=4)m=msg[i],"big"===endian?(res[k]=m>>>24,res[k+1]=255&m>>>16,res[k+2]=255&m>>>8,res[k+3]=255&m):(res[k+3]=m>>>24,res[k+2]=255&m>>>16,res[k+1]=255&m>>>8,res[k]=255&m);return res}function rotr32(w,b){return w>>>b|w<<32-b}function rotl32(w,b){return w<<b|w>>>32-b}function sum32(a,b){return a+b>>>0}function sum32_3(a,b,c){return a+b+c>>>0}function sum32_4(a,b,c,d){return a+b+c+d>>>0}function sum32_5(a,b,c,d,e){return a+b+c+d+e>>>0}function sum64(buf,pos,ah,al){var bh=buf[pos],bl=buf[pos+1],lo=al+bl>>>0,hi=(lo<al?1:0)+ah+bh;buf[pos]=hi>>>0,buf[pos+1]=lo}function sum64_hi(ah,al,bh,bl){var lo=al+bl>>>0,hi=(lo<al?1:0)+ah+bh;return hi>>>0}function sum64_lo(ah,al,bh,bl){var lo=al+bl;return lo>>>0}function sum64_4_hi(ah,al,bh,bl,ch,cl,dh,dl){var carry=0,lo=al;lo=lo+bl>>>0,carry+=lo<al?1:0,lo=lo+cl>>>0,carry+=lo<cl?1:0,lo=lo+dl>>>0,carry+=lo<dl?1:0;var hi=ah+bh+ch+dh+carry;return hi>>>0}function sum64_4_lo(ah,al,bh,bl,ch,cl,dh,dl){var lo=al+bl+cl+dl;return lo>>>0}function sum64_5_hi(ah,al,bh,bl,ch,cl,dh,dl,eh,el){var carry=0,lo=al;lo=lo+bl>>>0,carry+=lo<al?1:0,lo=lo+cl>>>0,carry+=lo<cl?1:0,lo=lo+dl>>>0,carry+=lo<dl?1:0,lo=lo+el>>>0,carry+=lo<el?1:0;var hi=ah+bh+ch+dh+eh+carry;return hi>>>0}function sum64_5_lo(ah,al,bh,bl,ch,cl,dh,dl,eh,el){var lo=al+bl+cl+dl+el;return lo>>>0}function rotr64_hi(ah,al,num){var r=al<<32-num|ah>>>num;return r>>>0}function rotr64_lo(ah,al,num){var r=ah<<32-num|al>>>num;return r>>>0}function shr64_hi(ah,al,num){return ah>>>num}function shr64_lo(ah,al,num){var r=ah<<32-num|al>>>num;return r>>>0}var assert=require("minimalistic-assert"),inherits=require("inherits");exports.inherits=inherits,exports.toArray=toArray,exports.toHex=toHex,exports.htonl=htonl,exports.toHex32=toHex32,exports.zero2=zero2,exports.zero8=zero8,exports.join32=join32,exports.split32=split32,exports.rotr32=rotr32,exports.rotl32=rotl32,exports.sum32=sum32,exports.sum32_3=sum32_3,exports.sum32_4=sum32_4,exports.sum32_5=sum32_5,exports.sum64=sum64,exports.sum64_hi=sum64_hi,exports.sum64_lo=sum64_lo,exports.sum64_4_hi=sum64_4_hi,exports.sum64_4_lo=sum64_4_lo,exports.sum64_5_hi=sum64_5_hi,exports.sum64_5_lo=sum64_5_lo,exports.rotr64_hi=rotr64_hi,exports.rotr64_lo=rotr64_lo,exports.shr64_hi=shr64_hi,exports.shr64_lo=shr64_lo},{inherits:190,"minimalistic-assert":220}],185:[function(require,module,exports){"use strict";function HmacDRBG(options){if(!(this instanceof HmacDRBG))return new HmacDRBG(options);this.hash=options.hash,this.predResist=!!options.predResist,this.outLen=this.hash.outSize,this.minEntropy=options.minEntropy||this.hash.hmacStrength,this._reseed=null,this.reseedInterval=null,this.K=null,this.V=null;var entropy=utils.toArray(options.entropy,options.entropyEnc||"hex"),nonce=utils.toArray(options.nonce,options.nonceEnc||"hex"),pers=utils.toArray(options.pers,options.persEnc||"hex");assert(entropy.length>=this.minEntropy/8,"Not enough entropy. Minimum is: "+this.minEntropy+" bits"),this._init(entropy,nonce,pers)}var hash=require("hash.js"),utils=require("minimalistic-crypto-utils"),assert=require("minimalistic-assert");module.exports=HmacDRBG,HmacDRBG.prototype._init=function init(entropy,nonce,pers){var seed=entropy.concat(nonce).concat(pers);this.K=Array(this.outLen/8),this.V=Array(this.outLen/8);for(var i=0;i<this.V.length;i++)this.K[i]=0,this.V[i]=1;this._update(seed),this._reseed=1,this.reseedInterval=281474976710656},HmacDRBG.prototype._hmac=function hmac(){return new hash.hmac(this.hash,this.K)},HmacDRBG.prototype._update=function update(seed){var kmac=this._hmac().update(this.V).update([0]);seed&&(kmac=kmac.update(seed)),this.K=kmac.digest(),this.V=this._hmac().update(this.V).digest();seed&&(this.K=this._hmac().update(this.V).update([1]).update(seed).digest(),this.V=this._hmac().update(this.V).digest())},HmacDRBG.prototype.reseed=function reseed(entropy,entropyEnc,add,addEnc){"string"!=typeof entropyEnc&&(addEnc=add,add=entropyEnc,entropyEnc=null),entropy=utils.toArray(entropy,entropyEnc),add=utils.toArray(add,addEnc),assert(entropy.length>=this.minEntropy/8,"Not enough entropy. Minimum is: "+this.minEntropy+" bits"),this._update(entropy.concat(add||[])),this._reseed=1},HmacDRBG.prototype.generate=function generate(len,enc,add,addEnc){if(this._reseed>this.reseedInterval)throw new Error("Reseed is required");"string"!=typeof enc&&(addEnc=add,add=enc,enc=null),add&&(add=utils.toArray(add,addEnc||"hex"),this._update(add));for(var temp=[];temp.length<len;)this.V=this._hmac().update(this.V).digest(),temp=temp.concat(this.V);var res=temp.slice(0,len);return this._update(add),this._reseed++,utils.encode(res,enc)}},{"hash.js":173,"minimalistic-assert":220,"minimalistic-crypto-utils":221}],186:[function(require,module,exports){function HTTPParser(type){assert.ok(type===HTTPParser.REQUEST||type===HTTPParser.RESPONSE),this.type=type,this.state=type+"_LINE",this.info={headers:[],upgrade:!1},this.trailers=[],this.line="",this.isChunked=!1,this.connection="",this.headerSize=0,this.body_bytes=null,this.isUserCall=!1,this.hadError=!1}function parseErrorCode(code){var err=new Error("Parse Error");return err.code=code,err}var assert=require("assert");exports.HTTPParser=HTTPParser,HTTPParser.encoding="ascii",HTTPParser.maxHeaderSize=81920,HTTPParser.REQUEST="REQUEST",HTTPParser.RESPONSE="RESPONSE";var kOnHeaders=HTTPParser.kOnHeaders=0,kOnHeadersComplete=HTTPParser.kOnHeadersComplete=1,kOnBody=HTTPParser.kOnBody=2,kOnMessageComplete=HTTPParser.kOnMessageComplete=3;HTTPParser.prototype[kOnHeaders]=HTTPParser.prototype[kOnHeadersComplete]=HTTPParser.prototype[kOnBody]=HTTPParser.prototype[kOnMessageComplete]=function(){};var compatMode0_12=!0;Object.defineProperty(HTTPParser,"kOnExecute",{get:function(){return compatMode0_12=!1,4}});var methods=exports.methods=HTTPParser.methods=["DELETE","GET","HEAD","POST","PUT","CONNECT","OPTIONS","TRACE","COPY","LOCK","MKCOL","MOVE","PROPFIND","PROPPATCH","SEARCH","UNLOCK","BIND","REBIND","UNBIND","ACL","REPORT","MKACTIVITY","CHECKOUT","MERGE","M-SEARCH","NOTIFY","SUBSCRIBE","UNSUBSCRIBE","PATCH","PURGE","MKCALENDAR","LINK","UNLINK"],method_connect=methods.indexOf("CONNECT");HTTPParser.prototype.reinitialize=HTTPParser,HTTPParser.prototype.close=HTTPParser.prototype.pause=HTTPParser.prototype.resume=HTTPParser.prototype.free=function(){},HTTPParser.prototype._compatMode0_11=!1,HTTPParser.prototype.getAsyncId=function(){return 0};var headerState={REQUEST_LINE:!0,RESPONSE_LINE:!0,HEADER:!0};HTTPParser.prototype.execute=function(chunk,start,length){if(!(this instanceof HTTPParser))throw new TypeError("not a HTTPParser");start=start||0,length="number"==typeof length?length:chunk.length,this.chunk=chunk,this.offset=start;var end=this.end=start+length;try{for(;this.offset<end&&!this[this.state](););}catch(err){if(this.isUserCall)throw err;return this.hadError=!0,err}return this.chunk=null,length=this.offset-start,headerState[this.state]&&(this.headerSize+=length,this.headerSize>HTTPParser.maxHeaderSize)?new Error("max header size exceeded"):length};var stateFinishAllowed={REQUEST_LINE:!0,RESPONSE_LINE:!0,BODY_RAW:!0};HTTPParser.prototype.finish=function(){return this.hadError?void 0:stateFinishAllowed[this.state]?void("BODY_RAW"===this.state&&this.userCall()(this[kOnMessageComplete]())):new Error("invalid state for EOF")},HTTPParser.prototype.consume=HTTPParser.prototype.unconsume=HTTPParser.prototype.getCurrentBuffer=function(){},HTTPParser.prototype.userCall=function(){this.isUserCall=!0;var self=this;return function(ret){return self.isUserCall=!1,ret}},HTTPParser.prototype.nextRequest=function(){this.userCall()(this[kOnMessageComplete]()),this.reinitialize(this.type)},HTTPParser.prototype.consumeLine=function(){for(var end=this.end,chunk=this.chunk,i=this.offset;i<end;i++)if(10===chunk[i]){var line=this.line+chunk.toString(HTTPParser.encoding,this.offset,i);return"\r"===line.charAt(line.length-1)&&(line=line.substr(0,line.length-1)),this.line="",this.offset=i+1,line}this.line+=chunk.toString(HTTPParser.encoding,this.offset,this.end),this.offset=this.end};var headerExp=/^([^: \t]+):[ \t]*((?:.*[^ \t])|)/,headerContinueExp=/^[ \t]+(.*[^ \t])/;HTTPParser.prototype.parseHeader=function(line,headers){if(-1!==line.indexOf("\r"))throw parseErrorCode("HPE_LF_EXPECTED");var match=headerExp.exec(line),k=match&&match[1];if(k)headers.push(k),headers.push(match[2]);else{var matchContinue=headerContinueExp.exec(line);matchContinue&&headers.length&&(headers[headers.length-1]&&(headers[headers.length-1]+=" "),headers[headers.length-1]+=matchContinue[1])}};var requestExp=/^([A-Z-]+) ([^ ]+) HTTP\/(\d)\.(\d)$/;HTTPParser.prototype.REQUEST_LINE=function(){var line=this.consumeLine();if(line){var match=requestExp.exec(line);if(null===match)throw parseErrorCode("HPE_INVALID_CONSTANT");if(this.info.method=this._compatMode0_11?match[1]:methods.indexOf(match[1]),-1===this.info.method)throw new Error("invalid request method");this.info.url=match[2],this.info.versionMajor=+match[3],this.info.versionMinor=+match[4],this.body_bytes=0,this.state="HEADER"}};var responseExp=/^HTTP\/(\d)\.(\d) (\d{3}) ?(.*)$/;HTTPParser.prototype.RESPONSE_LINE=function(){var line=this.consumeLine();if(line){var match=responseExp.exec(line);if(null===match)throw parseErrorCode("HPE_INVALID_CONSTANT");this.info.versionMajor=+match[1],this.info.versionMinor=+match[2];var statusCode=this.info.statusCode=+match[3];this.info.statusMessage=match[4],(1==(0|statusCode/100)||204===statusCode||304===statusCode)&&(this.body_bytes=0),this.state="HEADER"}},HTTPParser.prototype.shouldKeepAlive=function(){if(0<this.info.versionMajor&&0<this.info.versionMinor){if(-1!==this.connection.indexOf("close"))return!1;}else if(-1===this.connection.indexOf("keep-alive"))return!1;return!!(null!==this.body_bytes||this.isChunked)},HTTPParser.prototype.HEADER=function(){var line=this.consumeLine();if(void 0!==line){var info=this.info;if(line)this.parseHeader(line,info.headers);else{for(var headers=info.headers,hasContentLength=!1,hasUpgradeHeader=!1,i=0,currentContentLengthValue;i<headers.length;i+=2)switch(headers[i].toLowerCase()){case"transfer-encoding":this.isChunked="chunked"===headers[i+1].toLowerCase();break;case"content-length":if(currentContentLengthValue=+headers[i+1],!hasContentLength)hasContentLength=!0,this.body_bytes=currentContentLengthValue;else if(currentContentLengthValue!==this.body_bytes)throw parseErrorCode("HPE_UNEXPECTED_CONTENT_LENGTH");break;case"connection":this.connection+=headers[i+1].toLowerCase();break;case"upgrade":hasUpgradeHeader=!0;}this.isChunked&&hasContentLength&&(this.isChunked=!1),info.upgrade=hasUpgradeHeader&&-1!=this.connection.indexOf("upgrade")?this.type===HTTPParser.REQUEST||101===info.statusCode:info.method===method_connect,info.shouldKeepAlive=this.shouldKeepAlive();var skipBody;if(skipBody=compatMode0_12?this.userCall()(this[kOnHeadersComplete](info)):this.userCall()(this[kOnHeadersComplete](info.versionMajor,info.versionMinor,info.headers,info.method,info.url,info.statusCode,info.statusMessage,info.upgrade,info.shouldKeepAlive)),2===skipBody)return this.nextRequest(),!0;if(this.isChunked&&!skipBody)this.state="BODY_CHUNKHEAD";else{if(skipBody||0===this.body_bytes)return this.nextRequest(),info.upgrade;this.state=null===this.body_bytes?"BODY_RAW":"BODY_SIZED"}}}},HTTPParser.prototype.BODY_CHUNKHEAD=function(){var line=this.consumeLine();void 0===line||(this.body_bytes=parseInt(line,16),this.state=this.body_bytes?"BODY_CHUNK":"BODY_CHUNKTRAILERS")},HTTPParser.prototype.BODY_CHUNK=function(){var length=_Mathmin(this.end-this.offset,this.body_bytes);this.userCall()(this[kOnBody](this.chunk,this.offset,length)),this.offset+=length,this.body_bytes-=length,this.body_bytes||(this.state="BODY_CHUNKEMPTYLINE")},HTTPParser.prototype.BODY_CHUNKEMPTYLINE=function(){var line=this.consumeLine();void 0===line||(assert.equal(line,""),this.state="BODY_CHUNKHEAD")},HTTPParser.prototype.BODY_CHUNKTRAILERS=function(){var line=this.consumeLine();void 0===line||(line?this.parseHeader(line,this.trailers):(this.trailers.length&&this.userCall()(this[kOnHeaders](this.trailers,"")),this.nextRequest()))},HTTPParser.prototype.BODY_RAW=function(){var length=this.end-this.offset;this.userCall()(this[kOnBody](this.chunk,this.offset,length)),this.offset=this.end},HTTPParser.prototype.BODY_SIZED=function(){var length=_Mathmin(this.end-this.offset,this.body_bytes);this.userCall()(this[kOnBody](this.chunk,this.offset,length)),this.offset+=length,this.body_bytes-=length,this.body_bytes||this.nextRequest()},["Headers","HeadersComplete","Body","MessageComplete"].forEach(function(name){var k=HTTPParser["kOn"+name];Object.defineProperty(HTTPParser.prototype,"on"+name,{get:function(){return this[k]},set:function(to){return this._compatMode0_11=!0,method_connect="CONNECT",this[k]=to}})})},{assert:32}],187:[function(require,module,exports){function validateParams(params){if("string"==typeof params&&(params=url.parse(params)),params.protocol||(params.protocol="https:"),"https:"!==params.protocol)throw new Error("Protocol \""+params.protocol+"\" not supported. Expected \"https:\"");return params}var http=require("http"),url=require("url"),https=module.exports;for(var key in http)http.hasOwnProperty(key)&&(https[key]=http[key]);https.request=function(params,cb){return params=validateParams(params),http.request.call(this,params,cb)},https.get=function(params,cb){return params=validateParams(params),http.get.call(this,params,cb)}},{http:312,url:331}],188:[function(require,module,exports){/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */exports.read=function(buffer,offset,isLE,mLen,nBytes){var eLen=8*nBytes-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,nBits=-7,i=isLE?nBytes-1:0,d=isLE?-1:1,s=buffer[offset+i],e,m;for(i+=d,e=s&(1<<-nBits)-1,s>>=-nBits,nBits+=eLen;0<nBits;e=256*e+buffer[offset+i],i+=d,nBits-=8);for(m=e&(1<<-nBits)-1,e>>=-nBits,nBits+=mLen;0<nBits;m=256*m+buffer[offset+i],i+=d,nBits-=8);if(0===e)e=1-eBias;else{if(e===eMax)return m?NaN:(s?-1:1)*(1/0);m+=_Mathpow(2,mLen),e-=eBias}return(s?-1:1)*m*_Mathpow(2,e-mLen)},exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var eLen=8*nBytes-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,rt=23===mLen?_Mathpow(2,-24)-_Mathpow(2,-77):0,i=isLE?0:nBytes-1,d=isLE?1:-1,s=0>value||0===value&&0>1/value?1:0,e,m,c;for(value=_Mathabs(value),isNaN(value)||value===1/0?(m=isNaN(value)?1:0,e=eMax):(e=_Mathfloor(_Mathlog2(value)/_MathLN),1>value*(c=_Mathpow(2,-e))&&(e--,c*=2),value+=1<=e+eBias?rt/c:rt*_Mathpow(2,1-eBias),2<=value*c&&(e++,c/=2),e+eBias>=eMax?(m=0,e=eMax):1<=e+eBias?(m=(value*c-1)*_Mathpow(2,mLen),e+=eBias):(m=value*_Mathpow(2,eBias-1)*_Mathpow(2,mLen),e=0));8<=mLen;buffer[offset+i]=255&m,i+=d,m/=256,mLen-=8);for(e=e<<mLen|m,eLen+=mLen;0<eLen;buffer[offset+i]=255&e,i+=d,e/=256,eLen-=8);buffer[offset+i-d]|=128*s}},{}],189:[function(require,module,exports){/*! immediate-chunk-store. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */const queueMicrotask=require("queue-microtask");class ImmediateStore{constructor(store){if(this.store=store,this.chunkLength=store.chunkLength,!this.store||!this.store.get||!this.store.put)throw new Error("First argument must be abstract-chunk-store compliant");this.mem=[]}put(index,buf,cb=()=>{}){this.mem[index]=buf,this.store.put(index,buf,err=>{this.mem[index]=null,cb(err)})}get(index,opts,cb=()=>{}){if("function"==typeof opts)return this.get(index,null,opts);let buf=this.mem[index];if(!buf)return this.store.get(index,opts,cb);opts||(opts={});const offset=opts.offset||0,len=opts.length||buf.length-offset;(0!==offset||len!==buf.length)&&(buf=buf.slice(offset,len+offset)),queueMicrotask(()=>cb(null,buf))}close(cb=()=>{}){this.store.close(cb)}destroy(cb=()=>{}){this.store.destroy(cb)}}module.exports=ImmediateStore},{"queue-microtask":259}],190:[function(require,module,exports){module.exports="function"==typeof Object.create?function inherits(ctor,superCtor){superCtor&&(ctor.super_=superCtor,ctor.prototype=Object.create(superCtor.prototype,{constructor:{value:ctor,enumerable:!1,writable:!0,configurable:!0}}))}:function inherits(ctor,superCtor){if(superCtor){ctor.super_=superCtor;var TempCtor=function(){};TempCtor.prototype=superCtor.prototype,ctor.prototype=new TempCtor,ctor.prototype.constructor=ctor}}},{}],191:[function(require,module,exports){(function(root){"use strict";function expandIPv6(string,parts){if(string.indexOf("::")!==string.lastIndexOf("::"))return null;let colonCount=0,lastColon=-1,zoneId=(string.match(ipv6Regexes.zoneIndex)||[])[0],replacement,replacementCount;for(zoneId&&(zoneId=zoneId.substring(1),string=string.replace(/%.+$/,""));0<=(lastColon=string.indexOf(":",lastColon+1));)colonCount++;if("::"===string.substr(0,2)&&colonCount--,"::"===string.substr(-2,2)&&colonCount--,colonCount>parts)return null;for(replacementCount=parts-colonCount,replacement=":";replacementCount--;)replacement+="0:";return string=string.replace("::",replacement),":"===string[0]&&(string=string.slice(1)),":"===string[string.length-1]&&(string=string.slice(0,-1)),parts=function(){const ref=string.split(":"),results=[];for(let i=0;i<ref.length;i++)results.push(parseInt(ref[i],16));return results}(),{parts:parts,zoneId:zoneId}}function matchCIDR(first,second,partSize,cidrBits){if(first.length!==second.length)throw new Error("ipaddr: cannot match CIDR for objects with different lengths");let part=0,shift;for(;0<cidrBits;){if(shift=partSize-cidrBits,0>shift&&(shift=0),first[part]>>shift!=second[part]>>shift)return!1;cidrBits-=partSize,part+=1}return!0}function parseIntAuto(string){if(hexRegex.test(string))return parseInt(string,16);if("0"===string[0]&&!isNaN(parseInt(string[1],10))){if(octalRegex.test(string))return parseInt(string,8);throw new Error(`ipaddr: cannot parse ${string} as octal`)}return parseInt(string,10)}function padPart(part,length){for(;part.length<length;)part=`0${part}`;return part}const ipv4Part="(0?\\d+|0x[a-f0-9]+)",ipv4Regexes={fourOctet:/^(0?\d+|0x[a-f0-9]+)\.(0?\d+|0x[a-f0-9]+)\.(0?\d+|0x[a-f0-9]+)\.(0?\d+|0x[a-f0-9]+)$/i,threeOctet:/^(0?\d+|0x[a-f0-9]+)\.(0?\d+|0x[a-f0-9]+)\.(0?\d+|0x[a-f0-9]+)$/i,twoOctet:/^(0?\d+|0x[a-f0-9]+)\.(0?\d+|0x[a-f0-9]+)$/i,longValue:/^(0?\d+|0x[a-f0-9]+)$/i},octalRegex=/^0[0-7]+$/i,hexRegex=/^0x[a-f0-9]+$/i,zoneIndex="%[0-9a-z]{1,}",ipv6Part="(?:[0-9a-f]+::?)+",ipv6Regexes={zoneIndex:new RegExp(zoneIndex,"i"),native:new RegExp(`^(::)?(${ipv6Part})?([0-9a-f]+)?(::)?(${zoneIndex})?$`,"i"),deprecatedTransitional:new RegExp(`^(?:::)(${"(0?\\d+|0x[a-f0-9]+)"}\\.${"(0?\\d+|0x[a-f0-9]+)"}\\.${"(0?\\d+|0x[a-f0-9]+)"}\\.${"(0?\\d+|0x[a-f0-9]+)"}(${zoneIndex})?)$`,"i"),transitional:new RegExp(`^((?:${ipv6Part})|(?:::)(?:${ipv6Part})?)${"(0?\\d+|0x[a-f0-9]+)"}\\.${"(0?\\d+|0x[a-f0-9]+)"}\\.${"(0?\\d+|0x[a-f0-9]+)"}\\.${"(0?\\d+|0x[a-f0-9]+)"}(${zoneIndex})?$`,"i")},ipaddr={};ipaddr.IPv4=function(){function IPv4(octets){if(4!==octets.length)throw new Error("ipaddr: ipv4 octet count should be 4");let i,octet;for(i=0;i<octets.length;i++)if(octet=octets[i],!(0<=octet&&255>=octet))throw new Error("ipaddr: ipv4 octet should fit in 8 bits");this.octets=octets}return IPv4.prototype.SpecialRanges={unspecified:[[new IPv4([0,0,0,0]),8]],broadcast:[[new IPv4([255,255,255,255]),32]],multicast:[[new IPv4([224,0,0,0]),4]],linkLocal:[[new IPv4([169,254,0,0]),16]],loopback:[[new IPv4([127,0,0,0]),8]],carrierGradeNat:[[new IPv4([100,64,0,0]),10]],private:[[new IPv4([10,0,0,0]),8],[new IPv4([172,16,0,0]),12],[new IPv4([192,168,0,0]),16]],reserved:[[new IPv4([192,0,0,0]),24],[new IPv4([192,0,2,0]),24],[new IPv4([192,88,99,0]),24],[new IPv4([198,51,100,0]),24],[new IPv4([203,0,113,0]),24],[new IPv4([240,0,0,0]),4]]},IPv4.prototype.kind=function(){return"ipv4"},IPv4.prototype.match=function(other,cidrRange){let ref;if(void 0===cidrRange&&(ref=other,other=ref[0],cidrRange=ref[1]),"ipv4"!==other.kind())throw new Error("ipaddr: cannot match ipv4 address with non-ipv4 one");return matchCIDR(this.octets,other.octets,8,cidrRange)},IPv4.prototype.prefixLengthFromSubnetMask=function(){let cidr=0,stop=!1;const zerotable={0:8,128:7,192:6,224:5,240:4,248:3,252:2,254:1,255:0};let i,octet,zeros;for(i=3;0<=i;i-=1)if(octet=this.octets[i],octet in zerotable){if(zeros=zerotable[octet],stop&&0!==zeros)return null;8!==zeros&&(stop=!0),cidr+=zeros}else return null;return 32-cidr},IPv4.prototype.range=function(){return ipaddr.subnetMatch(this,this.SpecialRanges)},IPv4.prototype.toByteArray=function(){return this.octets.slice(0)},IPv4.prototype.toIPv4MappedAddress=function(){return ipaddr.IPv6.parse(`::ffff:${this.toString()}`)},IPv4.prototype.toNormalizedString=function(){return this.toString()},IPv4.prototype.toString=function(){return this.octets.join(".")},IPv4}(),ipaddr.IPv4.broadcastAddressFromCIDR=function(string){try{const cidr=this.parseCIDR(string),ipInterfaceOctets=cidr[0].toByteArray(),subnetMaskOctets=this.subnetMaskFromPrefixLength(cidr[1]).toByteArray(),octets=[];for(let i=0;4>i;)octets.push(parseInt(ipInterfaceOctets[i],10)|255^parseInt(subnetMaskOctets[i],10)),i++;return new this(octets)}catch(e){throw new Error("ipaddr: the address does not have IPv4 CIDR format")}},ipaddr.IPv4.isIPv4=function(string){return null!==this.parser(string)},ipaddr.IPv4.isValid=function(string){try{return new this(this.parser(string)),!0}catch(e){return!1}},ipaddr.IPv4.isValidFourPartDecimal=function(string){return!!(ipaddr.IPv4.isValid(string)&&string.match(/^(0|[1-9]\d*)(\.(0|[1-9]\d*)){3}$/))},ipaddr.IPv4.networkAddressFromCIDR=function(string){let cidr,i,ipInterfaceOctets,octets,subnetMaskOctets;try{for(cidr=this.parseCIDR(string),ipInterfaceOctets=cidr[0].toByteArray(),subnetMaskOctets=this.subnetMaskFromPrefixLength(cidr[1]).toByteArray(),octets=[],i=0;4>i;)octets.push(parseInt(ipInterfaceOctets[i],10)&parseInt(subnetMaskOctets[i],10)),i++;return new this(octets)}catch(e){throw new Error("ipaddr: the address does not have IPv4 CIDR format")}},ipaddr.IPv4.parse=function(string){const parts=this.parser(string);if(null===parts)throw new Error("ipaddr: string is not formatted like an IPv4 Address");return new this(parts)},ipaddr.IPv4.parseCIDR=function(string){let match;if(match=string.match(/^(.+)\/(\d+)$/)){const maskLength=parseInt(match[2]);if(0<=maskLength&&32>=maskLength){const parsed=[this.parse(match[1]),maskLength];return Object.defineProperty(parsed,"toString",{value:function(){return this.join("/")}}),parsed}}throw new Error("ipaddr: string is not formatted like an IPv4 CIDR range")},ipaddr.IPv4.parser=function(string){let match,part,value;if(match=string.match(ipv4Regexes.fourOctet))return function(){const ref=match.slice(1,6),results=[];for(let i=0;i<ref.length;i++)part=ref[i],results.push(parseIntAuto(part));return results}();if(match=string.match(ipv4Regexes.longValue)){if(value=parseIntAuto(match[1]),4294967295<value||0>value)throw new Error("ipaddr: address outside defined range");return function(){const results=[];let shift;for(shift=0;24>=shift;shift+=8)results.push(255&value>>shift);return results}().reverse()}return(match=string.match(ipv4Regexes.twoOctet))?function(){const ref=match.slice(1,4),results=[];if(value=parseIntAuto(ref[1]),16777215<value||0>value)throw new Error("ipaddr: address outside defined range");return results.push(parseIntAuto(ref[0])),results.push(255&value>>16),results.push(255&value>>8),results.push(255&value),results}():(match=string.match(ipv4Regexes.threeOctet))?function(){const ref=match.slice(1,5),results=[];if(value=parseIntAuto(ref[2]),65535<value||0>value)throw new Error("ipaddr: address outside defined range");return results.push(parseIntAuto(ref[0])),results.push(parseIntAuto(ref[1])),results.push(255&value>>8),results.push(255&value),results}():null},ipaddr.IPv4.subnetMaskFromPrefixLength=function(prefix){if(prefix=parseInt(prefix),0>prefix||32<prefix)throw new Error("ipaddr: invalid IPv4 prefix length");const octets=[0,0,0,0];let j=0;const filledOctetCount=_Mathfloor(prefix/8);for(;j<filledOctetCount;)octets[j]=255,j++;return 4>filledOctetCount&&(octets[filledOctetCount]=_Mathpow(2,prefix%8)-1<<8-prefix%8),new this(octets)},ipaddr.IPv6=function(){function IPv6(parts,zoneId){let i,part;if(16===parts.length)for(this.parts=[],i=0;14>=i;i+=2)this.parts.push(parts[i]<<8|parts[i+1]);else if(8===parts.length)this.parts=parts;else throw new Error("ipaddr: ipv6 part count should be 8 or 16");for(i=0;i<this.parts.length;i++)if(part=this.parts[i],!(0<=part&&65535>=part))throw new Error("ipaddr: ipv6 part should fit in 16 bits");zoneId&&(this.zoneId=zoneId)}return IPv6.prototype.SpecialRanges={unspecified:[new IPv6([0,0,0,0,0,0,0,0]),128],linkLocal:[new IPv6([65152,0,0,0,0,0,0,0]),10],multicast:[new IPv6([65280,0,0,0,0,0,0,0]),8],loopback:[new IPv6([0,0,0,0,0,0,0,1]),128],uniqueLocal:[new IPv6([64512,0,0,0,0,0,0,0]),7],ipv4Mapped:[new IPv6([0,0,0,0,0,65535,0,0]),96],rfc6145:[new IPv6([0,0,0,0,65535,0,0,0]),96],rfc6052:[new IPv6([100,65435,0,0,0,0,0,0]),96],"6to4":[new IPv6([8194,0,0,0,0,0,0,0]),16],teredo:[new IPv6([8193,0,0,0,0,0,0,0]),32],reserved:[[new IPv6([8193,3512,0,0,0,0,0,0]),32]]},IPv6.prototype.isIPv4MappedAddress=function(){return"ipv4Mapped"===this.range()},IPv6.prototype.kind=function(){return"ipv6"},IPv6.prototype.match=function(other,cidrRange){let ref;if(void 0===cidrRange&&(ref=other,other=ref[0],cidrRange=ref[1]),"ipv6"!==other.kind())throw new Error("ipaddr: cannot match ipv6 address with non-ipv6 one");return matchCIDR(this.parts,other.parts,16,cidrRange)},IPv6.prototype.prefixLengthFromSubnetMask=function(){let cidr=0,stop=!1;const zerotable={0:16,32768:15,49152:14,57344:13,61440:12,63488:11,64512:10,65024:9,65280:8,65408:7,65472:6,65504:5,65520:4,65528:3,65532:2,65534:1,65535:0};let part,zeros;for(let i=7;0<=i;i-=1)if(part=this.parts[i],part in zerotable){if(zeros=zerotable[part],stop&&0!==zeros)return null;16!==zeros&&(stop=!0),cidr+=zeros}else return null;return 128-cidr},IPv6.prototype.range=function(){return ipaddr.subnetMatch(this,this.SpecialRanges)},IPv6.prototype.toByteArray=function(){let part;const bytes=[],ref=this.parts;for(let i=0;i<ref.length;i++)part=ref[i],bytes.push(part>>8),bytes.push(255&part);return bytes},IPv6.prototype.toFixedLengthString=function(){const addr=function(){const results=[];for(let i=0;i<this.parts.length;i++)results.push(padPart(this.parts[i].toString(16),4));return results}.call(this).join(":");let suffix="";return this.zoneId&&(suffix=`%${this.zoneId}`),addr+suffix},IPv6.prototype.toIPv4Address=function(){if(!this.isIPv4MappedAddress())throw new Error("ipaddr: trying to convert a generic ipv6 address to ipv4");const ref=this.parts.slice(-2),high=ref[0],low=ref[1];return new ipaddr.IPv4([high>>8,255&high,low>>8,255&low])},IPv6.prototype.toNormalizedString=function(){const addr=function(){const results=[];for(let i=0;i<this.parts.length;i++)results.push(this.parts[i].toString(16));return results}.call(this).join(":");let suffix="";return this.zoneId&&(suffix=`%${this.zoneId}`),addr+suffix},IPv6.prototype.toRFC5952String=function(){const regex=/((^|:)(0(:|$)){2,})/g,string=this.toNormalizedString();let bestMatchIndex=0,bestMatchLength=-1,match;for(;match=regex.exec(string);)match[0].length>bestMatchLength&&(bestMatchIndex=match.index,bestMatchLength=match[0].length);return 0>bestMatchLength?string:`${string.substring(0,bestMatchIndex)}::${string.substring(bestMatchIndex+bestMatchLength)}`},IPv6.prototype.toString=function(){return this.toNormalizedString().replace(/((^|:)(0(:|$))+)/,"::")},IPv6}(),ipaddr.IPv6.broadcastAddressFromCIDR=function(string){try{const cidr=this.parseCIDR(string),ipInterfaceOctets=cidr[0].toByteArray(),subnetMaskOctets=this.subnetMaskFromPrefixLength(cidr[1]).toByteArray(),octets=[];for(let i=0;16>i;)octets.push(parseInt(ipInterfaceOctets[i],10)|255^parseInt(subnetMaskOctets[i],10)),i++;return new this(octets)}catch(e){throw new Error(`ipaddr: the address does not have IPv6 CIDR format (${e})`)}},ipaddr.IPv6.isIPv6=function(string){return null!==this.parser(string)},ipaddr.IPv6.isValid=function(string){if("string"==typeof string&&-1===string.indexOf(":"))return!1;try{const addr=this.parser(string);return new this(addr.parts,addr.zoneId),!0}catch(e){return!1}},ipaddr.IPv6.networkAddressFromCIDR=function(string){let cidr,i,ipInterfaceOctets,octets,subnetMaskOctets;try{for(cidr=this.parseCIDR(string),ipInterfaceOctets=cidr[0].toByteArray(),subnetMaskOctets=this.subnetMaskFromPrefixLength(cidr[1]).toByteArray(),octets=[],i=0;16>i;)octets.push(parseInt(ipInterfaceOctets[i],10)&parseInt(subnetMaskOctets[i],10)),i++;return new this(octets)}catch(e){throw new Error(`ipaddr: the address does not have IPv6 CIDR format (${e})`)}},ipaddr.IPv6.parse=function(string){const addr=this.parser(string);if(null===addr.parts)throw new Error("ipaddr: string is not formatted like an IPv6 Address");return new this(addr.parts,addr.zoneId)},ipaddr.IPv6.parseCIDR=function(string){let maskLength,match,parsed;if((match=string.match(/^(.+)\/(\d+)$/))&&(maskLength=parseInt(match[2]),0<=maskLength&&128>=maskLength))return parsed=[this.parse(match[1]),maskLength],Object.defineProperty(parsed,"toString",{value:function(){return this.join("/")}}),parsed;throw new Error("ipaddr: string is not formatted like an IPv6 CIDR range")},ipaddr.IPv6.parser=function(string){let addr,i,match,octet,octets,zoneId;if(match=string.match(ipv6Regexes.deprecatedTransitional))return this.parser(`::ffff:${match[1]}`);if(ipv6Regexes.native.test(string))return expandIPv6(string,8);if((match=string.match(ipv6Regexes.transitional))&&(zoneId=match[6]||"",addr=expandIPv6(match[1].slice(0,-1)+zoneId,6),addr.parts)){for(octets=[parseInt(match[2]),parseInt(match[3]),parseInt(match[4]),parseInt(match[5])],i=0;i<octets.length;i++)if(octet=octets[i],!(0<=octet&&255>=octet))return null;return addr.parts.push(octets[0]<<8|octets[1]),addr.parts.push(octets[2]<<8|octets[3]),{parts:addr.parts,zoneId:addr.zoneId}}return null},ipaddr.IPv6.subnetMaskFromPrefixLength=function(prefix){if(prefix=parseInt(prefix),0>prefix||128<prefix)throw new Error("ipaddr: invalid IPv6 prefix length");const octets=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];let j=0;const filledOctetCount=_Mathfloor(prefix/8);for(;j<filledOctetCount;)octets[j]=255,j++;return 16>filledOctetCount&&(octets[filledOctetCount]=_Mathpow(2,prefix%8)-1<<8-prefix%8),new this(octets)},ipaddr.fromByteArray=function(bytes){const length=bytes.length;if(4===length)return new ipaddr.IPv4(bytes);if(16===length)return new ipaddr.IPv6(bytes);throw new Error("ipaddr: the binary input is neither an IPv6 nor IPv4 address")},ipaddr.isValid=function(string){return ipaddr.IPv6.isValid(string)||ipaddr.IPv4.isValid(string)},ipaddr.parse=function(string){if(ipaddr.IPv6.isValid(string))return ipaddr.IPv6.parse(string);if(ipaddr.IPv4.isValid(string))return ipaddr.IPv4.parse(string);throw new Error("ipaddr: the address has neither IPv6 nor IPv4 format")},ipaddr.parseCIDR=function(string){try{return ipaddr.IPv6.parseCIDR(string)}catch(e){try{return ipaddr.IPv4.parseCIDR(string)}catch(e2){throw new Error("ipaddr: the address has neither IPv6 nor IPv4 CIDR format")}}},ipaddr.process=function(string){const addr=this.parse(string);return"ipv6"===addr.kind()&&addr.isIPv4MappedAddress()?addr.toIPv4Address():addr},ipaddr.subnetMatch=function(address,rangeList,defaultName){let i,rangeName,rangeSubnets,subnet;for(rangeName in(void 0===defaultName||null===defaultName)&&(defaultName="unicast"),rangeList)if(Object.prototype.hasOwnProperty.call(rangeList,rangeName))for(rangeSubnets=rangeList[rangeName],rangeSubnets[0]&&!(rangeSubnets[0]instanceof Array)&&(rangeSubnets=[rangeSubnets]),i=0;i<rangeSubnets.length;i++)if(subnet=rangeSubnets[i],address.kind()===subnet[0].kind()&&address.match.apply(address,subnet))return rangeName;return defaultName},"undefined"!=typeof module&&module.exports?module.exports=ipaddr:root.ipaddr=ipaddr})(this)},{}],192:[function(require,module,exports){"use strict";var hasToStringTag=require("has-tostringtag/shams")(),callBound=require("call-bind/callBound"),$toString=callBound("Object.prototype.toString"),isStandardArguments=function 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generatorFunc=getGeneratorFunc();GeneratorFunction=!!generatorFunc&&getProto(generatorFunc)}return getProto(fn)===GeneratorFunction}},{"has-tostringtag/shams":170}],197:[function(require,module,exports){(function(global){(function(){"use strict";var forEach=require("for-each"),availableTypedArrays=require("available-typed-arrays"),callBound=require("call-bind/callBound"),$toString=callBound("Object.prototype.toString"),hasToStringTag=require("has-tostringtag/shams")(),g="undefined"==typeof globalThis?global:globalThis,typedArrays=availableTypedArrays(),$indexOf=callBound("Array.prototype.indexOf",!0)||function indexOf(array,value){for(var i=0;i<array.length;i+=1)if(array[i]===value)return i;return-1},$slice=callBound("String.prototype.slice"),toStrTags={},gOPD=require("es-abstract/helpers/getOwnPropertyDescriptor"),getPrototypeOf=Object.getPrototypeOf;hasToStringTag&&gOPD&&getPrototypeOf&&forEach(typedArrays,function(typedArray){var arr=new g[typedArray];if(Symbol.toStringTag in arr){var proto=getPrototypeOf(arr),descriptor=gOPD(proto,Symbol.toStringTag);if(!descriptor){var superProto=getPrototypeOf(proto);descriptor=gOPD(superProto,Symbol.toStringTag)}toStrTags[typedArray]=descriptor.get}});var tryTypedArrays=function tryAllTypedArrays(value){var anyTrue=!1;return forEach(toStrTags,function(getter,typedArray){if(!anyTrue)try{anyTrue=getter.call(value)===typedArray}catch(e){}}),anyTrue};module.exports=function isTypedArray(value){if(!value||"object"!=typeof value)return!1;if(!hasToStringTag||!(Symbol.toStringTag in value)){var tag=$slice($toString(value),8,-1);return-1<$indexOf(typedArrays,tag)}return!!gOPD&&tryTypedArrays(value)}}).call(this)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"available-typed-arrays":36,"call-bind/callBound":104,"es-abstract/helpers/getOwnPropertyDescriptor":154,"for-each":162,"has-tostringtag/shams":170}],198:[function(require,module,exports){module.exports=async function*(iterators){for(let iterator of iterators)"function"==typeof iterator&&(iterator=iterator()),yield*iterator}},{}],199:[function(require,module,exports){"use strict";const blacklist=["^npm-debug\\.log$","^\\..*\\.swp$","^\\.DS_Store$","^\\.AppleDouble$","^\\.LSOverride$","^Icon\\r$","^\\._.*","^\\.Spotlight-V100(?:$|\\/)","\\.Trashes","^__MACOSX$","~$","^Thumbs\\.db$","^ehthumbs\\.db$","^Desktop\\.ini$","@eaDir$"];exports.re=()=>{throw new Error("`junk.re` was renamed to `junk.regex`")},exports.regex=new RegExp(blacklist.join("|")),exports.is=filename=>exports.regex.test(filename),exports.not=filename=>!exports.is(filename),exports.default=module.exports},{}],200:[function(require,module,exports){"use strict";function arrayEquals(array1,array2){if(array1===array2)return!0;if(array1.length!==array2.length)return!1;for(let i=0,length=array1.length;i<length;++i)if(array1[i]!==array2[i])return!1;return!0}function createNode(){return{contacts:[],dontSplit:!1,left:null,right:null}}function ensureInt8(name,val){if(!(val instanceof Uint8Array))throw new TypeError(name+" is not a Uint8Array")}const randomBytes=require("randombytes"),{EventEmitter}=require("events");class KBucket extends EventEmitter{constructor(options={}){super(),this.localNodeId=options.localNodeId||randomBytes(20),this.numberOfNodesPerKBucket=options.numberOfNodesPerKBucket||20,this.numberOfNodesToPing=options.numberOfNodesToPing||3,this.distance=options.distance||KBucket.distance,this.arbiter=options.arbiter||KBucket.arbiter,this.metadata=Object.assign({},options.metadata),ensureInt8("option.localNodeId as parameter 1",this.localNodeId),this.root=createNode()}static arbiter(incumbent,candidate){return incumbent.vectorClock>candidate.vectorClock?incumbent:candidate}static distance(firstId,secondId){let distance=0,i=0;const min=_Mathmin(firstId.length,secondId.length),max=_Mathmax(firstId.length,secondId.length);for(;i<min;++i)distance=256*distance+(firstId[i]^secondId[i]);for(;i<max;++i)distance=256*distance+255;return distance}add(contact){ensureInt8("contact.id",(contact||{}).id);let bitIndex=0,node=this.root;for(;null===node.contacts;)node=this._determineNode(node,contact.id,bitIndex++);const index=this._indexOf(node,contact.id);return 0<=index?(this._update(node,index,contact),this):node.contacts.length<this.numberOfNodesPerKBucket?(node.contacts.push(contact),this.emit("added",contact),this):node.dontSplit?(this.emit("ping",node.contacts.slice(0,this.numberOfNodesToPing),contact),this):(this._split(node,bitIndex),this.add(contact))}closest(id,n=1/0){if(ensureInt8("id",id),!_NumberisInteger(n)&&n!==1/0||0>=n)throw new TypeError("n is not positive number");let contacts=[];for(let nodes=[this.root],bitIndex=0;0<nodes.length&&contacts.length<n;){const node=nodes.pop();if(null===node.contacts){const detNode=this._determineNode(node,id,bitIndex++);nodes.push(node.left===detNode?node.right:node.left),nodes.push(detNode)}else contacts=contacts.concat(node.contacts)}return contacts.map(a=>[this.distance(a.id,id),a]).sort((a,b)=>a[0]-b[0]).slice(0,n).map(a=>a[1])}count(){let count=0;for(const nodes=[this.root];0<nodes.length;){const node=nodes.pop();null===node.contacts?nodes.push(node.right,node.left):count+=node.contacts.length}return count}_determineNode(node,id,bitIndex){const bytesDescribedByBitIndex=bitIndex>>3,bitIndexWithinByte=bitIndex%8;if(id.length<=bytesDescribedByBitIndex&&0!==bitIndexWithinByte)return node.left;const byteUnderConsideration=id[bytesDescribedByBitIndex];return byteUnderConsideration&1<<7-bitIndexWithinByte?node.right:node.left}get(id){ensureInt8("id",id);let bitIndex=0,node=this.root;for(;null===node.contacts;)node=this._determineNode(node,id,bitIndex++);const index=this._indexOf(node,id);return 0<=index?node.contacts[index]:null}_indexOf(node,id){for(let i=0;i<node.contacts.length;++i)if(arrayEquals(node.contacts[i].id,id))return i;return-1}remove(id){ensureInt8("the id as parameter 1",id);let bitIndex=0,node=this.root;for(;null===node.contacts;)node=this._determineNode(node,id,bitIndex++);const index=this._indexOf(node,id);if(0<=index){const contact=node.contacts.splice(index,1)[0];this.emit("removed",contact)}return this}_split(node,bitIndex){node.left=createNode(),node.right=createNode();for(const contact of node.contacts)this._determineNode(node,contact.id,bitIndex).contacts.push(contact);node.contacts=null;const detNode=this._determineNode(node,this.localNodeId,bitIndex),otherNode=node.left===detNode?node.right:node.left;otherNode.dontSplit=!0}toArray(){let result=[];for(const nodes=[this.root];0<nodes.length;){const node=nodes.pop();null===node.contacts?nodes.push(node.right,node.left):result=result.concat(node.contacts)}return result}*toIterable(){for(const nodes=[this.root];0<nodes.length;){const node=nodes.pop();null===node.contacts?nodes.push(node.right,node.left):yield*node.contacts}}_update(node,index,contact){if(!arrayEquals(node.contacts[index].id,contact.id))throw new Error("wrong index for _update");const incumbent=node.contacts[index],selection=this.arbiter(incumbent,contact);selection===incumbent&&incumbent!==contact||(node.contacts.splice(index,1),node.contacts.push(selection),this.emit("updated",incumbent,selection))}}module.exports=KBucket},{events:156,randombytes:262}],201:[function(require,module,exports){(function(Buffer){(function(){function RPC(opts){function check(){var missing=self.inflight;if(missing)for(var i=0,req;i<self._reqs.length;i++)if(req=self._reqs[i],req&&(req.ttl?req.ttl--:self._cancel(i,ETIMEDOUT),! --missing))return}function onlistening(){self.emit("listening")}function onerror(err){"EACCES"===err.code||"EADDRINUSE"===err.code?self.emit("error",err):self.emit("warning",err)}function onmessage(buf,rinfo){if(!self.destroyed&&rinfo.port){try{var message=bencode.decode(buf)}catch(e){return self.emit("warning",e)}var type=message&&message.y&&message.y.toString();if("r"===type||"e"===type){if(!Buffer.isBuffer(message.t))return;try{var tid=message.t.readUInt16BE(0)}catch(err){return self.emit("warning",err)}var index=self._ids.indexOf(tid);if(-1===index||0===tid)return self.emit("response",message,rinfo),void self.emit("warning",new Error("Unexpected transaction id: "+tid));var req=self._reqs[index];if(req.peer.host!==rinfo.address)return self.emit("response",message,rinfo),void self.emit("warning",new Error("Out of order response"));if(self._ids[index]=0,self._reqs[index]=null,self.inflight--,"e"===type){var isArray=Array.isArray(message.e),err=new Error(isArray?message.e.join(" "):"Unknown error");return err.code=isArray&&message.e.length&&"number"==typeof message.e[0]?message.e[0]:0,req.callback(err,message,rinfo,req.message),self.emit("update"),void self.emit("postupdate")}var rid=message.r&&message.r.id;if(req.peer&&req.peer.id&&rid&&!req.peer.id.equals(rid))return req.callback(EUNEXPECTEDNODE,null,rinfo),self.emit("update"),void self.emit("postupdate");req.callback(null,message,rinfo,req.message),self.emit("update"),self.emit("postupdate"),self.emit("response",message,rinfo)}else"q"===type?self.emit("query",message,rinfo):self.emit("warning",new Error("Unknown type: "+type))}}if(!(this instanceof RPC))return new RPC(opts);opts||(opts={});var self=this;this.timeout=opts.timeout||2e3,this.inflight=0,this.destroyed=!1,this.isIP=opts.isIP||isIP,this.socket=opts.socket||dgram.createSocket("udp4"),this.socket.on("message",onmessage),this.socket.on("error",onerror),this.socket.on("listening",onlistening),this._tick=0,this._ids=[],this._reqs=[],this._timer=setInterval(check,_Mathfloor(this.timeout/4)),events.EventEmitter.call(this)}function noop(){}var dgram=require("dgram"),bencode=require("bencode"),isIP=require("net").isIP,dns=require("dns"),util=require("util"),events=require("events"),ETIMEDOUT=new Error("Query timed out");ETIMEDOUT.code="ETIMEDOUT";var EUNEXPECTEDNODE=new Error("Unexpected node id");EUNEXPECTEDNODE.code="EUNEXPECTEDNODE",module.exports=RPC,util.inherits(RPC,events.EventEmitter),RPC.prototype.address=function(){return this.socket.address()},RPC.prototype.response=function(peer,req,res,cb){this.send(peer,{t:req.t,y:"r",r:res},cb)},RPC.prototype.error=function(peer,req,error,cb){this.send(peer,{t:req.t,y:"e",e:[].concat(error.message||error)},cb)},RPC.prototype.send=function(peer,message,cb){var buf=bencode.encode(message);this.socket.send(buf,0,buf.length,peer.port,peer.address||peer.host,cb||noop)},RPC.prototype.bind=function(){this.socket.bind.apply(this.socket,arguments)},RPC.prototype.destroy=function(cb){this.destroyed=!0,clearInterval(this._timer),cb&&this.socket.on("close",cb);for(var i=0;i<this._ids.length;i++)this._cancel(i);this.socket.close()},RPC.prototype.query=function(peer,query,cb){if(cb||(cb=noop),!this.isIP(peer.host))return this._resolveAndQuery(peer,query,cb);var message={t:Buffer.allocUnsafe(2),y:"q",q:query.q,a:query.a},req={ttl:4,peer:peer,message:message,callback:cb};65535===this._tick&&(this._tick=0);var tid=++this._tick,free=this._ids.indexOf(0);for(-1===free&&(free=this._ids.push(0)-1),this._ids[free]=tid;this._reqs.length<free;)this._reqs.push(null);return this._reqs[free]=req,this.inflight++,message.t.writeUInt16BE(tid,0),this.send(peer,message),tid},RPC.prototype.cancel=function(tid,err){var index=this._ids.indexOf(tid);-1<index&&this._cancel(index,err)},RPC.prototype._cancel=function(index,err){var req=this._reqs[index];this._ids[index]=0,this._reqs[index]=null,req&&(this.inflight--,req.callback(err||new Error("Query was cancelled"),null,req.peer),this.emit("update"),this.emit("postupdate"))},RPC.prototype._resolveAndQuery=function(peer,query,cb){var self=this;dns.lookup(peer.host,function(err,ip){return err?cb(err):self.destroyed?cb(new Error("k-rpc-socket is destroyed")):void self.query({host:ip,port:peer.port},query,cb)})}}).call(this)}).call(this,require("buffer").Buffer)},{bencode:47,buffer:101,dgram:106,dns:107,events:156,net:108,util:338}],202:[function(require,module,exports){(function(process,Buffer){(function(){function RPC(opts){function onupdate(){for(;self.pending.length&&self.socket.inflight<self.concurrency;){var next=self.pending.shift();self.query(next[0],next[1],next[2])}}function onerror(err){self.emit("error",err)}function onlistening(){self.emit("listening")}function onwarning(err){self.emit("warning",err)}function onquery(query,peer){addNode(query.a,peer),self.emit("query",query,peer)}function onresponse(reply,peer){addNode(reply.r,peer)}function addNode(data,peer){if(data&&isNodeId(data.id,self._idLength)&&!data.id.equals(self.id)){var old=self.nodes.get(data.id);if(old)return void(old.seen=Date.now());self._addNode({id:data.id,host:peer.address||peer.host,port:peer.port,distance:0,seen:Date.now()})}}if(!(this instanceof RPC))return new RPC(opts);opts||(opts={});var self=this;this._idLength=opts.idLength||20,this.id=toBuffer(opts.id||opts.nodeId||randombytes(this._idLength)),this.socket=opts.krpcSocket||socket(opts),this.bootstrap=toBootstrapArray(opts.nodes||opts.bootstrap),this.concurrency=opts.concurrency||16,this.backgroundConcurrency=opts.backgroundConcurrency||0|this.concurrency/4,this.k=opts.k||20,this.destroyed=!1,this.pending=[],this.nodes=null,this.socket.setMaxListeners(0),this.socket.on("query",onquery),this.socket.on("response",onresponse),this.socket.on("warning",onwarning),this.socket.on("error",onerror),this.socket.on("update",onupdate),this.socket.on("listening",onlistening),events.EventEmitter.call(this),this.clear()}function toBootstrapArray(val){return!1===val?[]:!0===val?BOOTSTRAP_NODES:[].concat(val||BOOTSTRAP_NODES).map(parsePeer)}function isNodeId(id,idLength){return id&&Buffer.isBuffer(id)&&id.length===idLength}function encodeNodes(nodes,idLength){for(var buf=Buffer.allocUnsafe(nodes.length*(idLength+6)),ptr=0,i=0,node;i<nodes.length;i++)if(node=nodes[i],isNodeId(node.id,idLength)){node.id.copy(buf,ptr),ptr+=idLength;for(var ip=(node.host||node.address).split("."),j=0;4>j;j++)buf[ptr++]=parseInt(ip[j]||0,10);buf.writeUInt16BE(node.port,ptr),ptr+=2}return ptr===buf.length?buf:buf.slice(0,ptr)}function parseNodes(buf,idLength){var contacts=[];try{for(var i=0,port;i<buf.length;i+=idLength+6)port=buf.readUInt16BE(i+(idLength+4)),port&&contacts.push({id:buf.slice(i,i+idLength),host:parseIp(buf,i+idLength),port:port,distance:0,token:null})}catch(err){}return contacts}function parseIp(buf,offset){return buf[offset++]+"."+buf[offset++]+"."+buf[offset++]+"."+buf[offset++]}function parsePeer(peer){return"string"==typeof peer?{host:peer.split(":")[0],port:+peer.split(":")[1]}:peer}function noop(){}function toBuffer(str){if(Buffer.isBuffer(str))return str;if(ArrayBuffer.isView(str))return Buffer.from(str.buffer,str.byteOffset,str.byteLength);if("string"==typeof str)return Buffer.from(str,"hex");throw new Error("Pass a buffer or a string")}var socket=require("k-rpc-socket"),KBucket=require("k-bucket"),events=require("events"),randombytes=require("randombytes"),util=require("util"),K=20,MAX_CONCURRENCY=16,BOOTSTRAP_NODES=[{host:"router.bittorrent.com",port:6881},{host:"router.utorrent.com",port:6881},{host:"dht.transmissionbt.com",port:6881}];module.exports=RPC,util.inherits(RPC,events.EventEmitter),RPC.prototype.response=function(node,query,response,nodes,cb){"function"==typeof nodes&&(cb=nodes,nodes=null),response.id||(response.id=this.id),nodes&&(response.nodes=encodeNodes(nodes,this._idLength)),this.socket.response(node,query,response,cb)},RPC.prototype.error=function(node,query,error,cb){this.socket.error(node,query,error,cb)},RPC.prototype.bind=function(){this.socket.bind.apply(this.socket,arguments)},RPC.prototype.address=function(){return this.socket.address()},RPC.prototype.queryAll=function(nodes,message,visit,cb){function done(err,res,peer){err?300<=err.code&&400>err.code&&(error=err):hits++,err||stop||!visit||!1!==visit(res,peer)||(stop=!0),--missing||cb(hits?null:error||new Error("All queries failed"),hits)}message.a||(message.a={}),message.a.id||(message.a.id=this.id);var stop=!1,missing=nodes.length,hits=0,error=null;if(!missing)return cb(new Error("No nodes to query"),0);for(var i=0;i<nodes.length;i++)this.query(nodes[i],message,done)},RPC.prototype.query=function(node,message,cb){this.socket.inflight>=this.concurrency?this.pending.push([node,message,cb]):(!message.a&&(message.a={}),!message.a.id&&(message.a.id=this.id),node.token&&(message.a.token=node.token),this.socket.query(node,message,cb))},RPC.prototype.destroy=function(cb){this.destroyed=!0,this.socket.destroy(cb)},RPC.prototype.clear=function(){function onping(older,newer){self.emit("ping",older,function swap(deadNode){deadNode&&(deadNode.id&&self.nodes.remove(deadNode.id),self._addNode(newer))})}var self=this;this.nodes=new KBucket({localNodeId:this.id,numberOfNodesPerKBucket:this.k,numberOfNodesToPing:this.concurrency}),this.nodes.on("ping",onping)},RPC.prototype.populate=function(target,message,cb){this._closest(target,message,!0,null,cb)},RPC.prototype.closest=function(target,message,visit,cb){this._closest(target,message,!1,visit,cb)},RPC.prototype._addNode=function(node){var old=this.nodes.get(node.id);this.nodes.add(node),old||this.emit("node",node)},RPC.prototype._closest=function(target,message,background,visit,cb){function kick(){if(!(self.destroyed||self.socket.inflight>=self.concurrency)){var otherInflight=self.pending.length+self.socket.inflight-pending;if(!(background&&self.socket.inflight>=self.backgroundConcurrency&&otherInflight)){var closest=table.closest(target,self.k);(!closest.length||closest.length<self.bootstrap.length)&&(closest=self.nodes.closest(target,self.k),(!closest.length||closest.length<self.bootstrap.length)&&bootstrap());for(var i=0;i<closest.length&&!stop;i++){if(self.socket.inflight>=self.concurrency)return;var peer=closest[i],id=peer.host+":"+peer.port;queried[id]||(queried[id]=!0,pending++,self.socket.query(peer,message,afterQuery))}pending||(self.socket.removeListener(evt,kick),process.nextTick(done))}}}function done(){cb(null,count)}function bootstrap(){once&&(once=!1,self.bootstrap.forEach(function(peer){pending++,self.socket.query(peer,message,afterQuery)}))}function afterQuery(err,res,peer){pending--,peer&&(queried[(peer.address||peer.host)+":"+peer.port]=!0),peer&&peer.id&&self.nodes.get(peer.id)&&err&&("EUNEXPECTEDNODE"===err.code||"ETIMEDOUT"===err.code)&&self.nodes.remove(peer.id);var r=res&&res.r;if(!r)return kick();!err&&isNodeId(r.id,self._idLength)&&(count++,add({id:r.id,port:peer.port,host:peer.host||peer.address,distance:0}));for(var nodes=r.nodes?parseNodes(r.nodes,self._idLength):[],i=0;i<nodes.length;i++)add(nodes[i]);visit&&!1===visit(res,peer)&&(stop=!0),kick()}function add(node){node.id.equals(self.id)||table.add(node)}cb||(cb=noop);var self=this,count=0,queried={},pending=0,once=!0,stop=!1;message.a||(message.a={}),message.a.id||(message.a.id=this.id);var table=new KBucket({localNodeId:target,numberOfNodesPerKBucket:this.k,numberOfNodesToPing:this.concurrency}),evt=background?"postupdate":"update";this.socket.on(evt,kick),kick()}}).call(this)}).call(this,require("_process"),require("buffer").Buffer)},{_process:246,buffer:101,events:156,"k-bucket":200,"k-rpc-socket":201,randombytes:262,util:338}],203:[function(require,module,exports){function noop(_){}module.exports=function(work){function update(cb){if(callback)return pending||(pending=[]),void pending.push(cb);var val=next;next=null,callback=cb,work(val,done)}function done(err){var cb=callback,cbs=callbacks;if(callbacks=null,callback=null,pending&&(callbacks=pending,pending=null,update(noop)),cbs)for(var i=0;i<cbs.length;i++)cbs[i](err);cb(err)}var pending=null,callback=null,callbacks=null,next=null;return function(val,cb){next=val,update(cb||noop)}}},{}],204:[function(require,module,exports){exports.RateLimiter=require("./lib/rateLimiter"),exports.TokenBucket=require("./lib/tokenBucket")},{"./lib/rateLimiter":206,"./lib/tokenBucket":207}],205:[function(require,module,exports){(function(process){(function(){var getMilliseconds=function(){if("undefined"!=typeof process&&process.hrtime){var hrtime=process.hrtime(),seconds=hrtime[0],nanoseconds=hrtime[1];return 1e3*seconds+_Mathfloor(nanoseconds/1e6)}return new Date().getTime()};module.exports=getMilliseconds}).call(this)}).call(this,require("_process"))},{_process:246}],206:[function(require,module,exports){(function(process){(function(){var TokenBucket=require("./tokenBucket"),getMilliseconds=require("./clock"),RateLimiter=function(tokensPerInterval,interval,fireImmediately){this.tokenBucket=new TokenBucket(tokensPerInterval,tokensPerInterval,interval,null),this.tokenBucket.content=tokensPerInterval,this.curIntervalStart=getMilliseconds(),this.tokensThisInterval=0,this.fireImmediately=fireImmediately};RateLimiter.prototype={tokenBucket:null,curIntervalStart:0,tokensThisInterval:0,fireImmediately:!1,removeTokens:function(count,callback){function afterTokensRemoved(err,tokensRemaining){return err?callback(err,null):void(self.tokensThisInterval+=count,callback(null,tokensRemaining))}if(count>this.tokenBucket.bucketSize)return process.nextTick(callback.bind(null,"Requested tokens "+count+" exceeds maximum tokens per interval "+this.tokenBucket.bucketSize,null)),!1;var self=this,now=getMilliseconds();if((now<this.curIntervalStart||now-this.curIntervalStart>=this.tokenBucket.interval)&&(this.curIntervalStart=now,this.tokensThisInterval=0),count>this.tokenBucket.tokensPerInterval-this.tokensThisInterval){if(this.fireImmediately)process.nextTick(callback.bind(null,null,-1));else{var waitInterval=_Mathceil(this.curIntervalStart+this.tokenBucket.interval-now);setTimeout(function(){self.tokenBucket.removeTokens(count,afterTokensRemoved)},waitInterval)}return!1}return this.tokenBucket.removeTokens(count,afterTokensRemoved)},tryRemoveTokens:function(count){if(count>this.tokenBucket.bucketSize)return!1;var now=getMilliseconds();if((now<this.curIntervalStart||now-this.curIntervalStart>=this.tokenBucket.interval)&&(this.curIntervalStart=now,this.tokensThisInterval=0),count>this.tokenBucket.tokensPerInterval-this.tokensThisInterval)return!1;var removed=this.tokenBucket.tryRemoveTokens(count);return removed&&(this.tokensThisInterval+=count),removed},getTokensRemaining:function(){return this.tokenBucket.drip(),this.tokenBucket.content}},module.exports=RateLimiter}).call(this)}).call(this,require("_process"))},{"./clock":205,"./tokenBucket":207,_process:246}],207:[function(require,module,exports){(function(process){(function(){var TokenBucket=function(bucketSize,tokensPerInterval,interval,parentBucket){if(this.bucketSize=bucketSize,this.tokensPerInterval=tokensPerInterval,"string"==typeof interval)switch(interval){case"sec":case"second":this.interval=1e3;break;case"min":case"minute":this.interval=60000;break;case"hr":case"hour":this.interval=3600000;break;case"day":this.interval=86400000;break;default:throw new Error("Invaid interval "+interval);}else this.interval=interval;this.parentBucket=parentBucket,this.content=0,this.lastDrip=+new Date};TokenBucket.prototype={bucketSize:1,tokensPerInterval:1,interval:1e3,parentBucket:null,content:0,lastDrip:0,removeTokens:function(count,callback){function comeBackLater(){var waitInterval=_Mathceil((count-self.content)*(self.interval/self.tokensPerInterval));return setTimeout(function(){self.removeTokens(count,callback)},waitInterval),!1}var self=this;return this.bucketSize?count>this.bucketSize?(process.nextTick(callback.bind(null,"Requested tokens "+count+" exceeds bucket size "+this.bucketSize,null)),!1):(this.drip(),count>this.content?comeBackLater():this.parentBucket?this.parentBucket.removeTokens(count,function(err,remainingTokens){return err?callback(err,null):count>self.content?comeBackLater():void(self.content-=count,callback(null,_Mathmin(remainingTokens,self.content)))}):(this.content-=count,process.nextTick(callback.bind(null,null,this.content)),!0)):(process.nextTick(callback.bind(null,null,count,Number.POSITIVE_INFINITY)),!0)},tryRemoveTokens:function(count){return!this.bucketSize||!(count>this.bucketSize)&&(this.drip(),!(count>this.content))&&(!this.parentBucket||this.parentBucket.tryRemoveTokens(count))&&(this.content-=count,!0)},drip:function(){if(!this.tokensPerInterval)return void(this.content=this.bucketSize);var now=+new Date,deltaMS=_Mathmax(now-this.lastDrip,0);this.lastDrip=now;var dripAmount=deltaMS*(this.tokensPerInterval/this.interval);this.content=_Mathmin(this.content+dripAmount,this.bucketSize)}},module.exports=TokenBucket}).call(this)}).call(this,require("_process"))},{_process:246}],208:[function(require,module,exports){function LRU(opts){return this instanceof LRU?void("number"==typeof opts&&(opts={max:opts}),!opts&&(opts={}),events.EventEmitter.call(this),this.cache={},this.head=this.tail=null,this.length=0,this.max=opts.max||1e3,this.maxAge=opts.maxAge||0):new LRU(opts)}var events=require("events"),inherits=require("inherits");module.exports=LRU,inherits(LRU,events.EventEmitter),Object.defineProperty(LRU.prototype,"keys",{get:function(){return Object.keys(this.cache)}}),LRU.prototype.clear=function(){this.cache={},this.head=this.tail=null,this.length=0},LRU.prototype.remove=function(key){if("string"!=typeof key&&(key=""+key),!!this.cache.hasOwnProperty(key)){var element=this.cache[key];return delete this.cache[key],this._unlink(key,element.prev,element.next),element.value}},LRU.prototype._unlink=function(key,prev,next){this.length--,0===this.length?this.head=this.tail=null:this.head===key?(this.head=prev,this.cache[this.head].next=null):this.tail===key?(this.tail=next,this.cache[this.tail].prev=null):(this.cache[prev].next=next,this.cache[next].prev=prev)},LRU.prototype.peek=function(key){if(this.cache.hasOwnProperty(key)){var element=this.cache[key];return this._checkAge(key,element)?element.value:void 0}},LRU.prototype.set=function(key,value){"string"!=typeof key&&(key=""+key);var element;if(this.cache.hasOwnProperty(key)){if(element=this.cache[key],element.value=value,this.maxAge&&(element.modified=Date.now()),key===this.head)return value;this._unlink(key,element.prev,element.next)}else element={value:value,modified:0,next:null,prev:null},this.maxAge&&(element.modified=Date.now()),this.cache[key]=element,this.length===this.max&&this.evict();return this.length++,element.next=null,element.prev=this.head,this.head&&(this.cache[this.head].next=key),this.head=key,this.tail||(this.tail=key),value},LRU.prototype._checkAge=function(key,element){return!(this.maxAge&&Date.now()-element.modified>this.maxAge)||(this.remove(key),this.emit("evict",{key:key,value:element.value}),!1)},LRU.prototype.get=function(key){if("string"!=typeof key&&(key=""+key),!!this.cache.hasOwnProperty(key)){var element=this.cache[key];if(this._checkAge(key,element))return this.head!==key&&(key===this.tail?(this.tail=element.next,this.cache[this.tail].prev=null):this.cache[element.prev].next=element.next,this.cache[element.next].prev=element.prev,this.cache[this.head].next=key,element.prev=this.head,element.next=null,this.head=key),element.value}},LRU.prototype.evict=function(){if(this.tail){var key=this.tail,value=this.remove(this.tail);this.emit("evict",{key:key,value:value})}}},{events:156,inherits:190}],209:[function(require,module,exports){(function(Buffer){(function(){/*! lt_donthave. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const arrayRemove=require("unordered-array-remove"),{EventEmitter}=require("events"),debug=require("debug")("lt_donthave");module.exports=()=>{class ltDontHave extends EventEmitter{constructor(wire){super(),this._peerSupports=!1,this._wire=wire}onExtendedHandshake(){this._peerSupports=!0}onMessage(buf){let index;try{index=buf.readUInt32BE()}catch(err){return}this._wire.peerPieces.get(index)&&(debug("got donthave %d",index),this._wire.peerPieces.set(index,!1),this.emit("donthave",index),this._failRequests(index))}donthave(index){if(this._peerSupports){debug("donthave %d",index);const buf=Buffer.alloc(4);buf.writeUInt32BE(index),this._wire.extended("lt_donthave",buf)}}_failRequests(index){const requests=this._wire.requests;for(let i=0;i<requests.length;i++){const req=requests[i];req.piece===index&&(arrayRemove(requests,i),i-=1,this._wire._callback(req,new Error("peer sent donthave"),null))}}}return ltDontHave.prototype.name="lt_donthave",ltDontHave}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:101,debug:122,events:156,"unordered-array-remove":330}],210:[function(require,module,exports){(function(Buffer){(function(){function magnetURIDecode(uri){const result={},data=uri.split("magnet:?")[1],params=data&&0<=data.length?data.split("&"):[];params.forEach(param=>{const keyval=param.split("=");if(2!==keyval.length)return;const key=keyval[0];let val=keyval[1];"dn"===key&&(val=decodeURIComponent(val).replace(/\+/g," ")),("tr"===key||"xs"===key||"as"===key||"ws"===key)&&(val=decodeURIComponent(val)),"kt"===key&&(val=decodeURIComponent(val).split("+")),"ix"===key&&(val=+val),"so"===key&&(val=bep53Range.parse(decodeURIComponent(val).split(","))),result[key]?(!Array.isArray(result[key])&&(result[key]=[result[key]]),result[key].push(val)):result[key]=val});let m;if(result.xt){const xts=Array.isArray(result.xt)?result.xt:[result.xt];xts.forEach(xt=>{if(m=xt.match(/^urn:btih:(.{40})/))result.infoHash=m[1].toLowerCase();else if(m=xt.match(/^urn:btih:(.{32})/)){const decodedStr=base32.decode(m[1]);result.infoHash=Buffer.from(decodedStr,"binary").toString("hex")}else(m=xt.match(/^urn:btmh:1220(.{64})/))&&(result.infoHashV2=m[1].toLowerCase())})}if(result.xs){const xss=Array.isArray(result.xs)?result.xs:[result.xs];xss.forEach(xs=>{(m=xs.match(/^urn:btpk:(.{64})/))&&(result.publicKey=m[1].toLowerCase())})}return result.infoHash&&(result.infoHashBuffer=Buffer.from(result.infoHash,"hex")),result.infoHashV2&&(result.infoHashV2Buffer=Buffer.from(result.infoHashV2,"hex")),result.publicKey&&(result.publicKeyBuffer=Buffer.from(result.publicKey,"hex")),result.dn&&(result.name=result.dn),result.kt&&(result.keywords=result.kt),result.announce=[],("string"==typeof result.tr||Array.isArray(result.tr))&&(result.announce=result.announce.concat(result.tr)),result.urlList=[],("string"==typeof result.as||Array.isArray(result.as))&&(result.urlList=result.urlList.concat(result.as)),("string"==typeof result.ws||Array.isArray(result.ws))&&(result.urlList=result.urlList.concat(result.ws)),result.peerAddresses=[],("string"==typeof result["x.pe"]||Array.isArray(result["x.pe"]))&&(result.peerAddresses=result.peerAddresses.concat(result["x.pe"])),result.announce=Array.from(new Set(result.announce)),result.urlList=Array.from(new Set(result.urlList)),result.peerAddresses=Array.from(new Set(result.peerAddresses)),result}function magnetURIEncode(obj){obj=Object.assign({},obj);let xts=new Set;obj.xt&&"string"==typeof obj.xt&&xts.add(obj.xt),obj.xt&&Array.isArray(obj.xt)&&(xts=new Set(obj.xt)),obj.infoHashBuffer&&xts.add(`urn:btih:${obj.infoHashBuffer.toString("hex")}`),obj.infoHash&&xts.add(`urn:btih:${obj.infoHash}`),obj.infoHashV2Buffer&&xts.add(obj.xt=`urn:btmh:1220${obj.infoHashV2Buffer.toString("hex")}`),obj.infoHashV2&&xts.add(`urn:btmh:1220${obj.infoHashV2}`);const xtsDeduped=Array.from(xts);1===xtsDeduped.length&&(obj.xt=xtsDeduped[0]),1<xtsDeduped.length&&(obj.xt=xtsDeduped),obj.publicKeyBuffer&&(obj.xs=`urn:btpk:${obj.publicKeyBuffer.toString("hex")}`),obj.publicKey&&(obj.xs=`urn:btpk:${obj.publicKey}`),obj.name&&(obj.dn=obj.name),obj.keywords&&(obj.kt=obj.keywords),obj.announce&&(obj.tr=obj.announce),obj.urlList&&(obj.ws=obj.urlList,delete obj.as),obj.peerAddresses&&(obj["x.pe"]=obj.peerAddresses);let result="magnet:?";return Object.keys(obj).filter(key=>2===key.length||"x.pe"===key).forEach((key,i)=>{const values=Array.isArray(obj[key])?obj[key]:[obj[key]];values.forEach((val,j)=>{(0<i||0<j)&&("kt"!==key&&"so"!==key||0===j)&&(result+="&"),"dn"===key&&(val=encodeURIComponent(val).replace(/%20/g,"+")),("tr"===key||"as"===key||"ws"===key)&&(val=encodeURIComponent(val)),"xs"!==key||val.startsWith("urn:btpk:")||(val=encodeURIComponent(val)),"kt"===key&&(val=encodeURIComponent(val)),"so"===key||("kt"===key&&0<j?result+=`+${val}`:result+=`${key}=${val}`)}),"so"===key&&(result+=`${key}=${bep53Range.compose(values)}`)}),result}module.exports=magnetURIDecode,module.exports.decode=magnetURIDecode,module.exports.encode=magnetURIEncode;const base32=require("thirty-two"),bep53Range=require("bep53-range")}).call(this)}).call(this,require("buffer").Buffer)},{"bep53-range":49,buffer:101,"thirty-two":322}],211:[function(require,module,exports){"use strict";function MD5(){HashBase.call(this,64),this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878}function rotl(x,n){return x<<n|x>>>32-n}function fnF(a,b,c,d,m,k,s){return 0|rotl(0|a+(b&c|~b&d)+m+k,s)+b}function fnG(a,b,c,d,m,k,s){return 0|rotl(0|a+(b&d|c&~d)+m+k,s)+b}function fnH(a,b,c,d,m,k,s){return 0|rotl(0|a+(b^c^d)+m+k,s)+b}function fnI(a,b,c,d,m,k,s){return 0|rotl(0|a+(c^(b|~d))+m+k,s)+b}var inherits=require("inherits"),HashBase=require("hash-base"),Buffer=require("safe-buffer").Buffer,ARRAY16=Array(16);inherits(MD5,HashBase),MD5.prototype._update=function(){for(var M=ARRAY16,i=0;16>i;++i)M[i]=this._block.readInt32LE(4*i);var a=this._a,b=this._b,c=this._c,d=this._d;a=fnF(a,b,c,d,M[0],3614090360,7),d=fnF(d,a,b,c,M[1],3905402710,12),c=fnF(c,d,a,b,M[2],606105819,17),b=fnF(b,c,d,a,M[3],3250441966,22),a=fnF(a,b,c,d,M[4],4118548399,7),d=fnF(d,a,b,c,M[5],1200080426,12),c=fnF(c,d,a,b,M[6],2821735955,17),b=fnF(b,c,d,a,M[7],4249261313,22),a=fnF(a,b,c,d,M[8],1770035416,7),d=fnF(d,a,b,c,M[9],2336552879,12),c=fnF(c,d,a,b,M[10],4294925233,17),b=fnF(b,c,d,a,M[11],2304563134,22),a=fnF(a,b,c,d,M[12],1804603682,7),d=fnF(d,a,b,c,M[13],4254626195,12),c=fnF(c,d,a,b,M[14],2792965006,17),b=fnF(b,c,d,a,M[15],1236535329,22),a=fnG(a,b,c,d,M[1],4129170786,5),d=fnG(d,a,b,c,M[6],3225465664,9),c=fnG(c,d,a,b,M[11],643717713,14),b=fnG(b,c,d,a,M[0],3921069994,20),a=fnG(a,b,c,d,M[5],3593408605,5),d=fnG(d,a,b,c,M[10],38016083,9),c=fnG(c,d,a,b,M[15],3634488961,14),b=fnG(b,c,d,a,M[4],3889429448,20),a=fnG(a,b,c,d,M[9],568446438,5),d=fnG(d,a,b,c,M[14],3275163606,9),c=fnG(c,d,a,b,M[3],4107603335,14),b=fnG(b,c,d,a,M[8],1163531501,20),a=fnG(a,b,c,d,M[13],2850285829,5),d=fnG(d,a,b,c,M[2],4243563512,9),c=fnG(c,d,a,b,M[7],1735328473,14),b=fnG(b,c,d,a,M[12],2368359562,20),a=fnH(a,b,c,d,M[5],4294588738,4),d=fnH(d,a,b,c,M[8],2272392833,11),c=fnH(c,d,a,b,M[11],1839030562,16),b=fnH(b,c,d,a,M[14],4259657740,23),a=fnH(a,b,c,d,M[1],2763975236,4),d=fnH(d,a,b,c,M[4],1272893353,11),c=fnH(c,d,a,b,M[7],4139469664,16),b=fnH(b,c,d,a,M[10],3200236656,23),a=fnH(a,b,c,d,M[13],681279174,4),d=fnH(d,a,b,c,M[0],3936430074,11),c=fnH(c,d,a,b,M[3],3572445317,16),b=fnH(b,c,d,a,M[6],76029189,23),a=fnH(a,b,c,d,M[9],3654602809,4),d=fnH(d,a,b,c,M[12],3873151461,11),c=fnH(c,d,a,b,M[15],530742520,16),b=fnH(b,c,d,a,M[2],3299628645,23),a=fnI(a,b,c,d,M[0],4096336452,6),d=fnI(d,a,b,c,M[7],1126891415,10),c=fnI(c,d,a,b,M[14],2878612391,15),b=fnI(b,c,d,a,M[5],4237533241,21),a=fnI(a,b,c,d,M[12],1700485571,6),d=fnI(d,a,b,c,M[3],2399980690,10),c=fnI(c,d,a,b,M[10],4293915773,15),b=fnI(b,c,d,a,M[1],2240044497,21),a=fnI(a,b,c,d,M[8],1873313359,6),d=fnI(d,a,b,c,M[15],4264355552,10),c=fnI(c,d,a,b,M[6],2734768916,15),b=fnI(b,c,d,a,M[13],1309151649,21),a=fnI(a,b,c,d,M[4],4149444226,6),d=fnI(d,a,b,c,M[11],3174756917,10),c=fnI(c,d,a,b,M[2],718787259,15),b=fnI(b,c,d,a,M[9],3951481745,21),this._a=0|this._a+a,this._b=0|this._b+b,this._c=0|this._c+c,this._d=0|this._d+d},MD5.prototype._digest=function(){this._block[this._blockOffset++]=128,56<this._blockOffset&&(this._block.fill(0,this._blockOffset,64),this._update(),this._blockOffset=0),this._block.fill(0,this._blockOffset,56),this._block.writeUInt32LE(this._length[0],56),this._block.writeUInt32LE(this._length[1],60),this._update();var buffer=Buffer.allocUnsafe(16);return buffer.writeInt32LE(this._a,0),buffer.writeInt32LE(this._b,4),buffer.writeInt32LE(this._c,8),buffer.writeInt32LE(this._d,12),buffer},module.exports=MD5},{"hash-base":172,inherits:190,"safe-buffer":290}],212:[function(require,module,exports){function MediaElementWrapper(elem,opts){var self=this;if(!(self instanceof MediaElementWrapper))return new MediaElementWrapper(elem,opts);if(!MediaSource)throw new Error("web browser lacks MediaSource support");opts||(opts={}),self._debug=opts.debug,self._bufferDuration=opts.bufferDuration||60,self._elem=elem,self._mediaSource=new MediaSource,self._streams=[],self.detailedError=null,self._errorHandler=function(){self._elem.removeEventListener("error",self._errorHandler);var streams=self._streams.slice();streams.forEach(function(stream){stream.destroy(self._elem.error)})},self._elem.addEventListener("error",self._errorHandler),self._elem.src=window.URL.createObjectURL(self._mediaSource)}function MediaSourceStream(wrapper,obj){var self=this;if(stream.Writable.call(self),self._wrapper=wrapper,self._elem=wrapper._elem,self._mediaSource=wrapper._mediaSource,self._allStreams=wrapper._streams,self._allStreams.push(self),self._bufferDuration=wrapper._bufferDuration,self._sourceBuffer=null,self._debugBuffers=[],self._openHandler=function(){self._onSourceOpen()},self._flowHandler=function(){self._flow()},self._errorHandler=function(err){self.destroyed||self.emit("error",err)},"string"==typeof obj)self._type=obj,"open"===self._mediaSource.readyState?self._createSourceBuffer():self._mediaSource.addEventListener("sourceopen",self._openHandler);else if(null===obj._sourceBuffer)obj.destroy(),self._type=obj._type,self._mediaSource.addEventListener("sourceopen",self._openHandler);else if(obj._sourceBuffer)obj.destroy(),self._type=obj._type,self._sourceBuffer=obj._sourceBuffer,self._debugBuffers=obj._debugBuffers,self._sourceBuffer.addEventListener("updateend",self._flowHandler),self._sourceBuffer.addEventListener("error",self._errorHandler);else throw new Error("The argument to MediaElementWrapper.createWriteStream must be a string or a previous stream returned from that function");self._elem.addEventListener("timeupdate",self._flowHandler),self.on("error",function(err){self._wrapper.error(err)}),self.on("finish",function(){if(!self.destroyed&&(self._finished=!0,self._allStreams.every(function(other){return other._finished}))){self._wrapper._dumpDebugData();try{self._mediaSource.endOfStream()}catch(err){}}})}function downloadBuffers(bufs,name){var a=document.createElement("a");a.href=window.URL.createObjectURL(new window.Blob(bufs)),a.download=name,a.click()}module.exports=MediaElementWrapper;var inherits=require("inherits"),stream=require("readable-stream"),toArrayBuffer=require("to-arraybuffer"),MediaSource="undefined"!=typeof window&&window.MediaSource,DEFAULT_BUFFER_DURATION=60;MediaElementWrapper.prototype.createWriteStream=function(obj){var self=this;return new MediaSourceStream(self,obj)},MediaElementWrapper.prototype.error=function(err){var self=this;self.detailedError||(self.detailedError=err),self._dumpDebugData();try{self._mediaSource.endOfStream("decode")}catch(err){}try{window.URL.revokeObjectURL(self._elem.src)}catch(err){}},MediaElementWrapper.prototype._dumpDebugData=function(){var self=this;self._debug&&(self._debug=!1,self._streams.forEach(function(stream,i){downloadBuffers(stream._debugBuffers,"mediasource-stream-"+i)}))},inherits(MediaSourceStream,stream.Writable),MediaSourceStream.prototype._onSourceOpen=function(){var self=this;self.destroyed||(self._mediaSource.removeEventListener("sourceopen",self._openHandler),self._createSourceBuffer())},MediaSourceStream.prototype.destroy=function(err){var self=this;self.destroyed||(self.destroyed=!0,self._allStreams.splice(self._allStreams.indexOf(self),1),self._mediaSource.removeEventListener("sourceopen",self._openHandler),self._elem.removeEventListener("timeupdate",self._flowHandler),self._sourceBuffer&&(self._sourceBuffer.removeEventListener("updateend",self._flowHandler),self._sourceBuffer.removeEventListener("error",self._errorHandler),"open"===self._mediaSource.readyState&&self._sourceBuffer.abort()),err&&self.emit("error",err),self.emit("close"))},MediaSourceStream.prototype._createSourceBuffer=function(){var self=this;if(!self.destroyed)if(!MediaSource.isTypeSupported(self._type))self.destroy(new Error("The provided type is not supported"));else if(self._sourceBuffer=self._mediaSource.addSourceBuffer(self._type),self._sourceBuffer.addEventListener("updateend",self._flowHandler),self._sourceBuffer.addEventListener("error",self._errorHandler),self._cb){var cb=self._cb;self._cb=null,cb()}},MediaSourceStream.prototype._write=function(chunk,encoding,cb){var self=this;if(!self.destroyed){if(!self._sourceBuffer)return void(self._cb=function(err){return err?cb(err):void self._write(chunk,encoding,cb)});if(self._sourceBuffer.updating)return cb(new Error("Cannot append buffer while source buffer updating"));var arr=toArrayBuffer(chunk);self._wrapper._debug&&self._debugBuffers.push(arr);try{self._sourceBuffer.appendBuffer(arr)}catch(err){return void self.destroy(err)}self._cb=cb}},MediaSourceStream.prototype._flow=function(){var self=this;if(!(self.destroyed||!self._sourceBuffer||self._sourceBuffer.updating)&&!("open"===self._mediaSource.readyState&&self._getBufferDuration()>self._bufferDuration)&&self._cb){var cb=self._cb;self._cb=null,cb()}};var EPSILON=0;MediaSourceStream.prototype._getBufferDuration=function(){for(var self=this,buffered=self._sourceBuffer.buffered,currentTime=self._elem.currentTime,bufferEnd=-1,i=0;i<buffered.length;i++){var start=buffered.start(i),end=buffered.end(i)+0;if(start>currentTime)break;else(0<=bufferEnd||currentTime<=end)&&(bufferEnd=end)}var bufferedTime=bufferEnd-currentTime;return 0>bufferedTime&&(bufferedTime=0),bufferedTime}},{inherits:190,"readable-stream":281,"to-arraybuffer":326}],213:[function(require,module,exports){function Storage(chunkLength,opts){if(!(this instanceof Storage))return new Storage(chunkLength,opts);if(opts||(opts={}),this.chunkLength=+chunkLength,!this.chunkLength)throw new Error("First argument must be a chunk length");this.chunks=[],this.closed=!1,this.length=+opts.length||1/0,this.length!==1/0&&(this.lastChunkLength=this.length%this.chunkLength||this.chunkLength,this.lastChunkIndex=_Mathceil(this.length/this.chunkLength)-1)}module.exports=Storage;const queueMicrotask=require("queue-microtask");Storage.prototype.put=function(index,buf,cb=()=>{}){if(this.closed)return queueMicrotask(()=>cb(new Error("Storage is closed")));const isLastChunk=index===this.lastChunkIndex;return isLastChunk&&buf.length!==this.lastChunkLength?queueMicrotask(()=>cb(new Error("Last chunk length must be "+this.lastChunkLength))):isLastChunk||buf.length===this.chunkLength?void(this.chunks[index]=buf,queueMicrotask(()=>cb(null))):queueMicrotask(()=>cb(new Error("Chunk length must be "+this.chunkLength)))},Storage.prototype.get=function(index,opts,cb=()=>{}){if("function"==typeof opts)return this.get(index,null,opts);if(this.closed)return queueMicrotask(()=>cb(new Error("Storage is closed")));let 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a},MillerRabin.prototype._randrange=function _randrange(start,stop){var size=stop.sub(start);return start.add(this._randbelow(size))},MillerRabin.prototype.test=function test(n,k,cb){var len=n.bitLength(),red=bn.mont(n),rone=new bn(1).toRed(red);k||(k=_Mathmax(1,0|len/48));for(var n1=n.subn(1),s=0;!n1.testn(s);s++);for(var d=n.shrn(s),rn1=n1.toRed(red),prime=!0;0<k;k--){var a=this._randrange(new bn(2),n1);cb&&cb(a);var x=a.toRed(red).redPow(d);if(0!==x.cmp(rone)&&0!==x.cmp(rn1)){for(var i=1;i<s;i++){if(x=x.redSqr(),0===x.cmp(rone))return!1;if(0===x.cmp(rn1))break}if(i===s)return!1}}return prime},MillerRabin.prototype.getDivisor=function getDivisor(n,k){var len=n.bitLength(),red=bn.mont(n),rone=new bn(1).toRed(red);k||(k=_Mathmax(1,0|len/48));for(var n1=n.subn(1),s=0;!n1.testn(s);s++);for(var d=n.shrn(s),rn1=n1.toRed(red);0<k;k--){var a=this._randrange(new bn(2),n1),g=n.gcd(a);if(0!==g.cmpn(1))return g;var x=a.toRed(red).redPow(d);if(0!==x.cmp(rone)&&0!==x.cmp(rn1)){for(var i=1;i<s;i++){if(x=x.redSqr(),0===x.cmp(rone))return x.fromRed().subn(1).gcd(n);if(0===x.cmp(rn1))break}if(i===s)return x=x.redSqr(),x.fromRed().subn(1).gcd(n)}}return!1}},{"bn.js":215,brorand:65}],215:[function(require,module,exports){arguments[4][31][0].apply(exports,arguments)},{buffer:66,dup:31}],216:[function(require,module,exports){"use strict";function Mime(){this._types=Object.create(null),this._extensions=Object.create(null);for(let i=0;i<arguments.length;i++)this.define(arguments[i]);this.define=this.define.bind(this),this.getType=this.getType.bind(this),this.getExtension=this.getExtension.bind(this)}Mime.prototype.define=function(typeMap,force){for(let type in typeMap){let extensions=typeMap[type].map(function(t){return t.toLowerCase()});type=type.toLowerCase();for(let i=0;i<extensions.length;i++){const ext=extensions[i];if("*"!==ext[0]){if(!force&&ext in this._types)throw new Error("Attempt to change mapping for \""+ext+"\" extension from \""+this._types[ext]+"\" to \""+type+"\". 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assert(val,msg){if(!val)throw new Error(msg||"Assertion failed")}module.exports=assert,assert.equal=function assertEqual(l,r,msg){if(l!=r)throw new Error(msg||"Assertion failed: "+l+" != "+r)}},{}],221:[function(require,module,exports){"use strict";function toArray(msg,enc){if(Array.isArray(msg))return msg.slice();if(!msg)return[];var res=[];if("string"!=typeof msg){for(var i=0;i<msg.length;i++)res[i]=0|msg[i];return res}if("hex"===enc){msg=msg.replace(/[^a-z0-9]+/ig,""),0!=msg.length%2&&(msg="0"+msg);for(var i=0;i<msg.length;i+=2)res.push(parseInt(msg[i]+msg[i+1],16))}else for(var i=0;i<msg.length;i++){var c=msg.charCodeAt(i),hi=c>>8,lo=255&c;hi?res.push(hi,lo):res.push(lo)}return res}function zero2(word){return 1===word.length?"0"+word:word}function toHex(msg){for(var res="",i=0;i<msg.length;i++)res+=zero2(msg[i].toString(16));return res}var utils=exports;utils.toArray=toArray,utils.zero2=zero2,utils.toHex=toHex,utils.encode=function encode(arr,enc){return"hex"===enc?toHex(arr):arr}},{}],222:[function(require,module,exports){(function(Buffer){(function(){function writeReserved(buf,offset,end){for(var i=offset;i<end;i++)buf[i]=0}function writeDate(date,buf,offset){buf.writeUInt32BE(_Mathfloor((date.getTime()+2082844800000)/1e3),offset)}function writeDate64(date,buf,offset){buf.writeUIntBE(_Mathfloor((date.getTime()+2082844800000)/1e3),offset,6)}function writeFixed32(num,buf,offset){buf.writeUInt16BE(_Mathfloor(num)%65536,offset),buf.writeUInt16BE(_Mathfloor(256*(256*num))%65536,offset+2)}function writeFixed16(num,buf,offset){buf[offset]=_Mathfloor(num)%256,buf[offset+1]=_Mathfloor(256*num)%256}function writeMatrix(list,buf,offset){list||(list=[0,0,0,0,0,0,0,0,0]);for(var i=0;i<list.length;i++)writeFixed32(list[i],buf,offset+4*i)}function writeString(str,buf,offset){var strBuffer=Buffer.from(str,"utf8");strBuffer.copy(buf,offset),buf[offset+strBuffer.length]=0}function readMatrix(buf){for(var list=Array(buf.length/4),i=0;i<list.length;i++)list[i]=readFixed32(buf,4*i);return list}function readDate64(buf,offset){return new Date(1e3*buf.readUIntBE(offset,6)-2082844800000)}function readDate(buf,offset){return new Date(1e3*buf.readUInt32BE(offset)-2082844800000)}function readFixed32(buf,offset){return buf.readUInt16BE(offset)+buf.readUInt16BE(offset+2)/65536}function readFixed16(buf,offset){return buf[offset]+buf[offset+1]/256}function readString(buf,offset,length){var i;for(i=0;i<length&&!(0===buf[offset+i]);i++);return buf.toString("utf8",offset,offset+i)}var Box=require("./index"),Descriptor=require("./descriptor"),uint64be=require("uint64be"),TIME_OFFSET=20828448e5;exports.fullBoxes={};var fullBoxes=["mvhd","tkhd","mdhd","vmhd","smhd","stsd","esds","stsz","stco","co64","stss","stts","ctts","stsc","dref","elst","hdlr","mehd","trex","mfhd","tfhd","tfdt","trun"];fullBoxes.forEach(function(type){exports.fullBoxes[type]=!0}),exports.ftyp={},exports.ftyp.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(exports.ftyp.encodingLength(box));var brands=box.compatibleBrands||[];buf.write(box.brand,0,4,"ascii"),buf.writeUInt32BE(box.brandVersion,4);for(var i=0;i<brands.length;i++)buf.write(brands[i],8+4*i,4,"ascii");return exports.ftyp.encode.bytes=8+4*brands.length,buf},exports.ftyp.decode=function(buf,offset){buf=buf.slice(offset);for(var brand=buf.toString("ascii",0,4),version=buf.readUInt32BE(4),compatibleBrands=[],i=8;i<buf.length;i+=4)compatibleBrands.push(buf.toString("ascii",i,i+4));return{brand:brand,brandVersion:version,compatibleBrands:compatibleBrands}},exports.ftyp.encodingLength=function(box){return 8+4*(box.compatibleBrands||[]).length},exports.mvhd={},exports.mvhd.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(96),writeDate(box.ctime||new Date,buf,0),writeDate(box.mtime||new Date,buf,4),buf.writeUInt32BE(box.timeScale||0,8),buf.writeUInt32BE(box.duration||0,12),writeFixed32(box.preferredRate||0,buf,16),writeFixed16(box.preferredVolume||0,buf,20),writeReserved(buf,22,32),writeMatrix(box.matrix,buf,32),buf.writeUInt32BE(box.previewTime||0,68),buf.writeUInt32BE(box.previewDuration||0,72),buf.writeUInt32BE(box.posterTime||0,76),buf.writeUInt32BE(box.selectionTime||0,80),buf.writeUInt32BE(box.selectionDuration||0,84),buf.writeUInt32BE(box.currentTime||0,88),buf.writeUInt32BE(box.nextTrackId||0,92),exports.mvhd.encode.bytes=96,buf},exports.mvhd.decode=function(buf,offset){return buf=buf.slice(offset),{ctime:readDate(buf,0),mtime:readDate(buf,4),timeScale:buf.readUInt32BE(8),duration:buf.readUInt32BE(12),preferredRate:readFixed32(buf,16),preferredVolume:readFixed16(buf,20),matrix:readMatrix(buf.slice(32,68)),previewTime:buf.readUInt32BE(68),previewDuration:buf.readUInt32BE(72),posterTime:buf.readUInt32BE(76),selectionTime:buf.readUInt32BE(80),selectionDuration:buf.readUInt32BE(84),currentTime:buf.readUInt32BE(88),nextTrackId:buf.readUInt32BE(92)}},exports.mvhd.encodingLength=function(box){return 96},exports.tkhd={},exports.tkhd.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(80),writeDate(box.ctime||new Date,buf,0),writeDate(box.mtime||new Date,buf,4),buf.writeUInt32BE(box.trackId||0,8),writeReserved(buf,12,16),buf.writeUInt32BE(box.duration||0,16),writeReserved(buf,20,28),buf.writeUInt16BE(box.layer||0,28),buf.writeUInt16BE(box.alternateGroup||0,30),buf.writeUInt16BE(box.volume||0,32),writeMatrix(box.matrix,buf,36),buf.writeUInt32BE(box.trackWidth||0,72),buf.writeUInt32BE(box.trackHeight||0,76),exports.tkhd.encode.bytes=80,buf},exports.tkhd.decode=function(buf,offset){return buf=buf.slice(offset),{ctime:readDate(buf,0),mtime:readDate(buf,4),trackId:buf.readUInt32BE(8),duration:buf.readUInt32BE(16),layer:buf.readUInt16BE(28),alternateGroup:buf.readUInt16BE(30),volume:buf.readUInt16BE(32),matrix:readMatrix(buf.slice(36,72)),trackWidth:buf.readUInt32BE(72),trackHeight:buf.readUInt32BE(76)}},exports.tkhd.encodingLength=function(box){return 80},exports.mdhd={},exports.mdhd.encode=function(box,buf,offset){return 1===box.version?(buf=buf?buf.slice(offset):Buffer.alloc(32),writeDate64(box.ctime||new Date,buf,0),writeDate64(box.mtime||new Date,buf,8),buf.writeUInt32BE(box.timeScale||0,16),buf.writeUIntBE(box.duration||0,20,6),buf.writeUInt16BE(box.language||0,28),buf.writeUInt16BE(box.quality||0,30),exports.mdhd.encode.bytes=32,buf):(buf=buf?buf.slice(offset):Buffer.alloc(20),writeDate(box.ctime||new Date,buf,0),writeDate(box.mtime||new Date,buf,4),buf.writeUInt32BE(box.timeScale||0,8),buf.writeUInt32BE(box.duration||0,12),buf.writeUInt16BE(box.language||0,16),buf.writeUInt16BE(box.quality||0,18),exports.mdhd.encode.bytes=20,buf)},exports.mdhd.decode=function(buf,offset,end){buf=buf.slice(offset);var version1=20!=end-offset;return version1?{ctime:readDate64(buf,0),mtime:readDate64(buf,8),timeScale:buf.readUInt32BE(16),duration:buf.readUIntBE(20,6),language:buf.readUInt16BE(28),quality:buf.readUInt16BE(30)}:{ctime:readDate(buf,0),mtime:readDate(buf,4),timeScale:buf.readUInt32BE(8),duration:buf.readUInt32BE(12),language:buf.readUInt16BE(16),quality:buf.readUInt16BE(18)}},exports.mdhd.encodingLength=function(box){return 1===box.version?32:20},exports.vmhd={},exports.vmhd.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(8),buf.writeUInt16BE(box.graphicsMode||0,0);var opcolor=box.opcolor||[0,0,0];return buf.writeUInt16BE(opcolor[0],2),buf.writeUInt16BE(opcolor[1],4),buf.writeUInt16BE(opcolor[2],6),exports.vmhd.encode.bytes=8,buf},exports.vmhd.decode=function(buf,offset){return buf=buf.slice(offset),{graphicsMode:buf.readUInt16BE(0),opcolor:[buf.readUInt16BE(2),buf.readUInt16BE(4),buf.readUInt16BE(6)]}},exports.vmhd.encodingLength=function(box){return 8},exports.smhd={},exports.smhd.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(4),buf.writeUInt16BE(box.balance||0,0),writeReserved(buf,2,4),exports.smhd.encode.bytes=4,buf},exports.smhd.decode=function(buf,offset){return buf=buf.slice(offset),{balance:buf.readUInt16BE(0)}},exports.smhd.encodingLength=function(box){return 4},exports.stsd={},exports.stsd.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(exports.stsd.encodingLength(box));var entries=box.entries||[];buf.writeUInt32BE(entries.length,0);for(var ptr=4,i=0,entry;i<entries.length;i++)entry=entries[i],Box.encode(entry,buf,ptr),ptr+=Box.encode.bytes;return exports.stsd.encode.bytes=ptr,buf},exports.stsd.decode=function(buf,offset,end){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),ptr=4,i=0,entry;i<num;i++)entry=Box.decode(buf,ptr,end),entries[i]=entry,ptr+=entry.length;return{entries:entries}},exports.stsd.encodingLength=function(box){var totalSize=4;if(!box.entries)return totalSize;for(var i=0;i<box.entries.length;i++)totalSize+=Box.encodingLength(box.entries[i]);return totalSize},exports.avc1=exports.VisualSampleEntry={},exports.VisualSampleEntry.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(exports.VisualSampleEntry.encodingLength(box)),writeReserved(buf,0,6),buf.writeUInt16BE(box.dataReferenceIndex||0,6),writeReserved(buf,8,24),buf.writeUInt16BE(box.width||0,24),buf.writeUInt16BE(box.height||0,26),buf.writeUInt32BE(box.hResolution||4718592,28),buf.writeUInt32BE(box.vResolution||4718592,32),writeReserved(buf,36,40),buf.writeUInt16BE(box.frameCount||1,40);var compressorName=box.compressorName||"",nameLen=_Mathmin(compressorName.length,31);buf.writeUInt8(nameLen,42),buf.write(compressorName,43,nameLen,"utf8"),buf.writeUInt16BE(box.depth||24,74),buf.writeInt16BE(-1,76);var ptr=78,children=box.children||[];children.forEach(function(child){Box.encode(child,buf,ptr),ptr+=Box.encode.bytes}),exports.VisualSampleEntry.encode.bytes=ptr},exports.VisualSampleEntry.decode=function(buf,offset,end){buf=buf.slice(offset);for(var length=end-offset,nameLen=_Mathmin(buf.readUInt8(42),31),box={dataReferenceIndex:buf.readUInt16BE(6),width:buf.readUInt16BE(24),height:buf.readUInt16BE(26),hResolution:buf.readUInt32BE(28),vResolution:buf.readUInt32BE(32),frameCount:buf.readUInt16BE(40),compressorName:buf.toString("utf8",43,43+nameLen),depth:buf.readUInt16BE(74),children:[]},ptr=78;8<=length-ptr;){var child=Box.decode(buf,ptr,length);box.children.push(child),box[child.type]=child,ptr+=child.length}return box},exports.VisualSampleEntry.encodingLength=function(box){var len=78,children=box.children||[];return children.forEach(function(child){len+=Box.encodingLength(child)}),len},exports.avcC={},exports.avcC.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(box.buffer.length),box.buffer.copy(buf),exports.avcC.encode.bytes=box.buffer.length},exports.avcC.decode=function(buf,offset,end){return buf=buf.slice(offset,end),{mimeCodec:buf.toString("hex",1,4),buffer:Buffer.from(buf)}},exports.avcC.encodingLength=function(box){return box.buffer.length},exports.mp4a=exports.AudioSampleEntry={},exports.AudioSampleEntry.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(exports.AudioSampleEntry.encodingLength(box)),writeReserved(buf,0,6),buf.writeUInt16BE(box.dataReferenceIndex||0,6),writeReserved(buf,8,16),buf.writeUInt16BE(box.channelCount||2,16),buf.writeUInt16BE(box.sampleSize||16,18),writeReserved(buf,20,24),buf.writeUInt32BE(box.sampleRate||0,24);var ptr=28,children=box.children||[];children.forEach(function(child){Box.encode(child,buf,ptr),ptr+=Box.encode.bytes}),exports.AudioSampleEntry.encode.bytes=ptr},exports.AudioSampleEntry.decode=function(buf,offset,end){buf=buf.slice(offset,end);for(var length=end-offset,box={dataReferenceIndex:buf.readUInt16BE(6),channelCount:buf.readUInt16BE(16),sampleSize:buf.readUInt16BE(18),sampleRate:buf.readUInt32BE(24),children:[]},ptr=28;8<=length-ptr;){var child=Box.decode(buf,ptr,length);box.children.push(child),box[child.type]=child,ptr+=child.length}return box},exports.AudioSampleEntry.encodingLength=function(box){var len=28,children=box.children||[];return children.forEach(function(child){len+=Box.encodingLength(child)}),len},exports.esds={},exports.esds.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(box.buffer.length),box.buffer.copy(buf,0),exports.esds.encode.bytes=box.buffer.length},exports.esds.decode=function(buf,offset,end){buf=buf.slice(offset,end);var desc=Descriptor.Descriptor.decode(buf,0,buf.length),esd="ESDescriptor"===desc.tagName?desc:{},dcd=esd.DecoderConfigDescriptor||{},oti=dcd.oti||0,dsi=dcd.DecoderSpecificInfo,audioConfig=dsi?(248&dsi.buffer.readUInt8(0))>>3:0,mimeCodec=null;return oti&&(mimeCodec=oti.toString(16),audioConfig&&(mimeCodec+="."+audioConfig)),{mimeCodec:mimeCodec,buffer:Buffer.from(buf.slice(0))}},exports.esds.encodingLength=function(box){return box.buffer.length},exports.stsz={},exports.stsz.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.stsz.encodingLength(box)),buf.writeUInt32BE(0,0),buf.writeUInt32BE(entries.length,4);for(var i=0;i<entries.length;i++)buf.writeUInt32BE(entries[i],4*i+8);return exports.stsz.encode.bytes=8+4*entries.length,buf},exports.stsz.decode=function(buf,offset){buf=buf.slice(offset);for(var size=buf.readUInt32BE(0),num=buf.readUInt32BE(4),entries=Array(num),i=0;i<num;i++)entries[i]=0===size?buf.readUInt32BE(4*i+8):size;return{entries:entries}},exports.stsz.encodingLength=function(box){return 8+4*box.entries.length},exports.stss=exports.stco={},exports.stco.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.stco.encodingLength(box)),buf.writeUInt32BE(entries.length,0);for(var i=0;i<entries.length;i++)buf.writeUInt32BE(entries[i],4*i+4);return exports.stco.encode.bytes=4+4*entries.length,buf},exports.stco.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),i=0;i<num;i++)entries[i]=buf.readUInt32BE(4*i+4);return{entries:entries}},exports.stco.encodingLength=function(box){return 4+4*box.entries.length},exports.co64={},exports.co64.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.co64.encodingLength(box)),buf.writeUInt32BE(entries.length,0);for(var i=0;i<entries.length;i++)uint64be.encode(entries[i],buf,8*i+4);return exports.co64.encode.bytes=4+8*entries.length,buf},exports.co64.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),i=0;i<num;i++)entries[i]=uint64be.decode(buf,8*i+4);return{entries:entries}},exports.co64.encodingLength=function(box){return 4+8*box.entries.length},exports.stts={},exports.stts.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.stts.encodingLength(box)),buf.writeUInt32BE(entries.length,0);for(var i=0,ptr;i<entries.length;i++)ptr=8*i+4,buf.writeUInt32BE(entries[i].count||0,ptr),buf.writeUInt32BE(entries[i].duration||0,ptr+4);return exports.stts.encode.bytes=4+8*box.entries.length,buf},exports.stts.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),i=0,ptr;i<num;i++)ptr=8*i+4,entries[i]={count:buf.readUInt32BE(ptr),duration:buf.readUInt32BE(ptr+4)};return{entries:entries}},exports.stts.encodingLength=function(box){return 4+8*box.entries.length},exports.ctts={},exports.ctts.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.ctts.encodingLength(box)),buf.writeUInt32BE(entries.length,0);for(var i=0,ptr;i<entries.length;i++)ptr=8*i+4,buf.writeUInt32BE(entries[i].count||0,ptr),buf.writeUInt32BE(entries[i].compositionOffset||0,ptr+4);return exports.ctts.encode.bytes=4+8*entries.length,buf},exports.ctts.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),i=0,ptr;i<num;i++)ptr=8*i+4,entries[i]={count:buf.readUInt32BE(ptr),compositionOffset:buf.readInt32BE(ptr+4)};return{entries:entries}},exports.ctts.encodingLength=function(box){return 4+8*box.entries.length},exports.stsc={},exports.stsc.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.stsc.encodingLength(box)),buf.writeUInt32BE(entries.length,0);for(var i=0,ptr;i<entries.length;i++)ptr=12*i+4,buf.writeUInt32BE(entries[i].firstChunk||0,ptr),buf.writeUInt32BE(entries[i].samplesPerChunk||0,ptr+4),buf.writeUInt32BE(entries[i].sampleDescriptionId||0,ptr+8);return exports.stsc.encode.bytes=4+12*entries.length,buf},exports.stsc.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),i=0,ptr;i<num;i++)ptr=12*i+4,entries[i]={firstChunk:buf.readUInt32BE(ptr),samplesPerChunk:buf.readUInt32BE(ptr+4),sampleDescriptionId:buf.readUInt32BE(ptr+8)};return{entries:entries}},exports.stsc.encodingLength=function(box){return 4+12*box.entries.length},exports.dref={},exports.dref.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(exports.dref.encodingLength(box));var entries=box.entries||[];buf.writeUInt32BE(entries.length,0);for(var ptr=4,i=0;i<entries.length;i++){var entry=entries[i],size=(entry.buf?entry.buf.length:0)+4+4;buf.writeUInt32BE(size,ptr),ptr+=4,buf.write(entry.type,ptr,4,"ascii"),ptr+=4,entry.buf&&(entry.buf.copy(buf,ptr),ptr+=entry.buf.length)}return exports.dref.encode.bytes=ptr,buf},exports.dref.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),ptr=4,i=0;i<num;i++){var size=buf.readUInt32BE(ptr),type=buf.toString("ascii",ptr+4,ptr+8),tmp=buf.slice(ptr+8,ptr+size);ptr+=size,entries[i]={type:type,buf:tmp}}return{entries:entries}},exports.dref.encodingLength=function(box){var totalSize=4;if(!box.entries)return totalSize;for(var i=0,buf;i<box.entries.length;i++)buf=box.entries[i].buf,totalSize+=(buf?buf.length:0)+4+4;return totalSize},exports.elst={},exports.elst.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.elst.encodingLength(box)),buf.writeUInt32BE(entries.length,0);for(var i=0,ptr;i<entries.length;i++)ptr=12*i+4,buf.writeUInt32BE(entries[i].trackDuration||0,ptr),buf.writeUInt32BE(entries[i].mediaTime||0,ptr+4),writeFixed32(entries[i].mediaRate||0,buf,ptr+8);return exports.elst.encode.bytes=4+12*entries.length,buf},exports.elst.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),i=0,ptr;i<num;i++)ptr=12*i+4,entries[i]={trackDuration:buf.readUInt32BE(ptr),mediaTime:buf.readInt32BE(ptr+4),mediaRate:readFixed32(buf,ptr+8)};return{entries:entries}},exports.elst.encodingLength=function(box){return 4+12*box.entries.length},exports.hdlr={},exports.hdlr.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(exports.hdlr.encodingLength(box));var len=21+(box.name||"").length;return buf.fill(0,0,len),buf.write(box.handlerType||"",4,4,"ascii"),writeString(box.name||"",buf,20),exports.hdlr.encode.bytes=len,buf},exports.hdlr.decode=function(buf,offset,end){return buf=buf.slice(offset),{handlerType:buf.toString("ascii",4,8),name:readString(buf,20,end)}},exports.hdlr.encodingLength=function(box){return 21+(box.name||"").length},exports.mehd={},exports.mehd.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(4),buf.writeUInt32BE(box.fragmentDuration||0,0),exports.mehd.encode.bytes=4,buf},exports.mehd.decode=function(buf,offset){return buf=buf.slice(offset),{fragmentDuration:buf.readUInt32BE(0)}},exports.mehd.encodingLength=function(box){return 4},exports.trex={},exports.trex.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(20),buf.writeUInt32BE(box.trackId||0,0),buf.writeUInt32BE(box.defaultSampleDescriptionIndex||0,4),buf.writeUInt32BE(box.defaultSampleDuration||0,8),buf.writeUInt32BE(box.defaultSampleSize||0,12),buf.writeUInt32BE(box.defaultSampleFlags||0,16),exports.trex.encode.bytes=20,buf},exports.trex.decode=function(buf,offset){return buf=buf.slice(offset),{trackId:buf.readUInt32BE(0),defaultSampleDescriptionIndex:buf.readUInt32BE(4),defaultSampleDuration:buf.readUInt32BE(8),defaultSampleSize:buf.readUInt32BE(12),defaultSampleFlags:buf.readUInt32BE(16)}},exports.trex.encodingLength=function(box){return 20},exports.mfhd={},exports.mfhd.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(4),buf.writeUInt32BE(box.sequenceNumber||0,0),exports.mfhd.encode.bytes=4,buf},exports.mfhd.decode=function(buf,offset){return{sequenceNumber:buf.readUInt32BE(0)}},exports.mfhd.encodingLength=function(box){return 4},exports.tfhd={},exports.tfhd.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(4),buf.writeUInt32BE(box.trackId,0),exports.tfhd.encode.bytes=4,buf},exports.tfhd.decode=function(buf,offset){},exports.tfhd.encodingLength=function(box){return 4},exports.tfdt={},exports.tfdt.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(4),buf.writeUInt32BE(box.baseMediaDecodeTime||0,0),exports.tfdt.encode.bytes=4,buf},exports.tfdt.decode=function(buf,offset){},exports.tfdt.encodingLength=function(box){return 4},exports.trun={},exports.trun.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(8+16*box.entries.length),buf.writeUInt32BE(box.entries.length,0),buf.writeInt32BE(box.dataOffset,4);for(var ptr=8,i=0,entry;i<box.entries.length;i++)entry=box.entries[i],buf.writeUInt32BE(entry.sampleDuration,ptr),ptr+=4,buf.writeUInt32BE(entry.sampleSize,ptr),ptr+=4,buf.writeUInt32BE(entry.sampleFlags,ptr),ptr+=4,0===(box.version||0)?buf.writeUInt32BE(entry.sampleCompositionTimeOffset,ptr):buf.writeInt32BE(entry.sampleCompositionTimeOffset,ptr),ptr+=4;exports.trun.encode.bytes=ptr},exports.trun.decode=function(buf,offset){},exports.trun.encodingLength=function(box){return 8+16*box.entries.length},exports.mdat={},exports.mdat.encode=function(box,buf,offset){box.buffer?(box.buffer.copy(buf,offset),exports.mdat.encode.bytes=box.buffer.length):exports.mdat.encode.bytes=exports.mdat.encodingLength(box)},exports.mdat.decode=function(buf,start,end){return{buffer:Buffer.from(buf.slice(start,end))}},exports.mdat.encodingLength=function(box){return box.buffer?box.buffer.length:box.contentLength}}).call(this)}).call(this,require("buffer").Buffer)},{"./descriptor":223,"./index":224,buffer:101,uint64be:329}],223:[function(require,module,exports){(function(Buffer){(function(){var tagToName={3:"ESDescriptor",4:"DecoderConfigDescriptor",5:"DecoderSpecificInfo",6:"SLConfigDescriptor"};exports.Descriptor={},exports.Descriptor.decode=function(buf,start,end){var tag=buf.readUInt8(start),ptr=start+1,len=0,lenByte;do lenByte=buf.readUInt8(ptr++),len=len<<7|127&lenByte;while(128&lenByte);var tagName=tagToName[tag],obj;return obj=exports[tagName]?exports[tagName].decode(buf,ptr,end):{buffer:Buffer.from(buf.slice(ptr,ptr+len))},obj.tag=tag,obj.tagName=tagName,obj.length=ptr-start+len,obj.contentsLen=len,obj},exports.DescriptorArray={},exports.DescriptorArray.decode=function(buf,start,end){for(var ptr=start,obj={};ptr+2<=end;){var descriptor=exports.Descriptor.decode(buf,ptr,end);ptr+=descriptor.length;var tagName=tagToName[descriptor.tag]||"Descriptor"+descriptor.tag;obj[tagName]=descriptor}return obj},exports.ESDescriptor={},exports.ESDescriptor.decode=function(buf,start,end){var flags=buf.readUInt8(start+2),ptr=start+3;if(128&flags&&(ptr+=2),64&flags){var len=buf.readUInt8(ptr);ptr+=len+1}return 32&flags&&(ptr+=2),exports.DescriptorArray.decode(buf,ptr,end)},exports.DecoderConfigDescriptor={},exports.DecoderConfigDescriptor.decode=function(buf,start,end){var oti=buf.readUInt8(start),obj=exports.DescriptorArray.decode(buf,start+13,end);return obj.oti=oti,obj}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:101}],224:[function(require,module,exports){(function(Buffer){(function(){var uint64be=require("uint64be"),boxes=require("./boxes"),UINT32_MAX=4294967295,Box=exports,containers=exports.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"]};Box.encode=function(obj,buffer,offset){return Box.encodingLength(obj),offset=offset||0,buffer=buffer||Buffer.alloc(obj.length),Box._encode(obj,buffer,offset)},Box._encode=function(obj,buffer,offset){var type=obj.type,len=obj.length;len>UINT32_MAX&&(len=1),buffer.writeUInt32BE(len,offset),buffer.write(obj.type,offset+4,4,"ascii");var ptr=offset+8;if(1===len&&(uint64be.encode(obj.length,buffer,ptr),ptr+=8),boxes.fullBoxes[type]&&(buffer.writeUInt32BE(obj.flags||0,ptr),buffer.writeUInt8(obj.version||0,ptr),ptr+=4),containers[type]){var contents=containers[type];contents.forEach(function(childType){if(5===childType.length){var entry=obj[childType]||[];childType=childType.substr(0,4),entry.forEach(function(child){Box._encode(child,buffer,ptr),ptr+=Box.encode.bytes})}else obj[childType]&&(Box._encode(obj[childType],buffer,ptr),ptr+=Box.encode.bytes)}),obj.otherBoxes&&obj.otherBoxes.forEach(function(child){Box._encode(child,buffer,ptr),ptr+=Box.encode.bytes})}else if(boxes[type]){var encode=boxes[type].encode;encode(obj,buffer,ptr),ptr+=encode.bytes}else if(obj.buffer){var buf=obj.buffer;buf.copy(buffer,ptr),ptr+=obj.buffer.length}else throw new Error("Either `type` must be set to a known type (not'"+type+"') or `buffer` must be set");return Box.encode.bytes=ptr-offset,buffer},Box.readHeaders=function(buffer,start,end){if(start=start||0,end=end||buffer.length,8>end-start)return 8;var len=buffer.readUInt32BE(start),type=buffer.toString("ascii",start+4,start+8),ptr=start+8;if(1===len){if(16>end-start)return 16;len=uint64be.decode(buffer,ptr),ptr+=8}var version,flags;return boxes.fullBoxes[type]&&(version=buffer.readUInt8(ptr),flags=16777215&buffer.readUInt32BE(ptr),ptr+=4),{length:len,headersLen:ptr-start,contentLen:len-(ptr-start),type:type,version:version,flags:flags}},Box.decode=function(buffer,start,end){start=start||0,end=end||buffer.length;var headers=Box.readHeaders(buffer,start,end);if(!headers||headers.length>end-start)throw new Error("Data too short");return Box.decodeWithoutHeaders(headers,buffer,start+headers.headersLen,start+headers.length)},Box.decodeWithoutHeaders=function(headers,buffer,start,end){start=start||0,end=end||buffer.length;var type=headers.type,obj={};if(containers[type]){obj.otherBoxes=[];for(var contents=containers[type],ptr=start,child;8<=end-ptr;)if(child=Box.decode(buffer,ptr,end),ptr+=child.length,0<=contents.indexOf(child.type))obj[child.type]=child;else if(0<=contents.indexOf(child.type+"s")){var childType=child.type+"s",entry=obj[childType]=obj[childType]||[];entry.push(child)}else obj.otherBoxes.push(child)}else if(boxes[type]){var decode=boxes[type].decode;obj=decode(buffer,start,end)}else obj.buffer=Buffer.from(buffer.slice(start,end));return obj.length=headers.length,obj.contentLen=headers.contentLen,obj.type=headers.type,obj.version=headers.version,obj.flags=headers.flags,obj},Box.encodingLength=function(obj){var type=obj.type,len=8;if(boxes.fullBoxes[type]&&(len+=4),containers[type]){var contents=containers[type];contents.forEach(function(childType){if(5===childType.length){var entry=obj[childType]||[];childType=childType.substr(0,4),entry.forEach(function(child){child.type=childType,len+=Box.encodingLength(child)})}else if(obj[childType]){var child=obj[childType];child.type=childType,len+=Box.encodingLength(child)}}),obj.otherBoxes&&obj.otherBoxes.forEach(function(child){len+=Box.encodingLength(child)})}else if(boxes[type])len+=boxes[type].encodingLength(obj);else if(obj.buffer)len+=obj.buffer.length;else throw new Error("Either `type` must be set to a known type (not'"+type+"') or `buffer` must be set");return len>UINT32_MAX&&(len+=8),obj.length=len,len}}).call(this)}).call(this,require("buffer").Buffer)},{"./boxes":222,buffer:101,uint64be:329}],225:[function(require,module,exports){(function(Buffer){(function(){var stream=require("readable-stream"),nextEvent=require("next-event"),Box=require("mp4-box-encoding"),EMPTY=Buffer.alloc(0);class Decoder extends stream.Writable{constructor(opts){super(opts),this.destroyed=!1,this._pending=0,this._missing=0,this._ignoreEmpty=!1,this._buf=null,this._str=null,this._cb=null,this._ondrain=null,this._writeBuffer=null,this._writeCb=null,this._ondrain=null,this._kick()}destroy(err){this.destroyed||(this.destroyed=!0,err&&this.emit("error",err),this.emit("close"))}_write(data,enc,next){if(!this.destroyed){for(var drained=!this._str||!this._str._writableState.needDrain;data.length&&!this.destroyed;){if(!this._missing&&!this._ignoreEmpty)return this._writeBuffer=data,void(this._writeCb=next);var consumed=data.length<this._missing?data.length:this._missing;if(this._buf?data.copy(this._buf,this._buf.length-this._missing):this._str&&(drained=this._str.write(consumed===data.length?data:data.slice(0,consumed))),this._missing-=consumed,!this._missing){var buf=this._buf,cb=this._cb,stream=this._str;this._buf=this._cb=this._str=this._ondrain=null,drained=!0,this._ignoreEmpty=!1,stream&&stream.end(),cb&&cb(buf)}data=consumed===data.length?EMPTY:data.slice(consumed)}return this._pending&&!this._missing?(this._writeBuffer=data,void(this._writeCb=next)):void(drained?next():this._ondrain(next))}}_buffer(size,cb){this._missing=size,this._buf=Buffer.alloc(size),this._cb=cb}_stream(size,cb){return this._missing=size,this._str=new MediaData(this),this._ondrain=nextEvent(this._str,"drain"),this._pending++,this._str.on("end",()=>{this._pending--,this._kick()}),this._cb=cb,this._str}_readBox(){const bufferHeaders=(len,buf)=>{this._buffer(len,additionalBuf=>{buf=buf?Buffer.concat([buf,additionalBuf]):additionalBuf;var headers=Box.readHeaders(buf);"number"==typeof headers?bufferHeaders(headers-buf.length,buf):(this._pending++,this._headers=headers,this.emit("box",headers))})};bufferHeaders(8)}stream(){if(!this._headers)throw new Error("this function can only be called once after 'box' is emitted");var headers=this._headers;return this._headers=null,this._stream(headers.contentLen,()=>{this._pending--,this._kick()})}decode(cb){if(!this._headers)throw new Error("this function can only be called once after 'box' is emitted");var headers=this._headers;this._headers=null,this._buffer(headers.contentLen,buf=>{var box=Box.decodeWithoutHeaders(headers,buf);cb(box),this._pending--,this._kick()})}ignore(){if(!this._headers)throw new Error("this function can only be called once after 'box' is emitted");var headers=this._headers;this._headers=null,this._missing=headers.contentLen,0===this._missing&&(this._ignoreEmpty=!0),this._cb=()=>{this._pending--,this._kick()}}_kick(){if(!this._pending&&(this._buf||this._str||this._readBox(),this._writeBuffer)){var next=this._writeCb,buffer=this._writeBuffer;this._writeBuffer=null,this._writeCb=null,this._write(buffer,null,next)}}}class MediaData extends stream.PassThrough{constructor(parent){super(),this._parent=parent,this.destroyed=!1}destroy(err){this.destroyed||(this.destroyed=!0,this._parent.destroy(err),err&&this.emit("error",err),this.emit("close"))}}module.exports=Decoder}).call(this)}).call(this,require("buffer").Buffer)},{buffer:101,"mp4-box-encoding":224,"next-event":229,"readable-stream":281}],226:[function(require,module,exports){(function(Buffer){(function(){function noop(){}var stream=require("readable-stream"),Box=require("mp4-box-encoding"),queueMicrotask=require("queue-microtask");class Encoder extends stream.Readable{constructor(opts){super(opts),this.destroyed=!1,this._finalized=!1,this._reading=!1,this._stream=null,this._drain=null,this._want=!1,this._onreadable=()=>{this._want&&(this._want=!1,this._read())},this._onend=()=>{this._stream=null}}mdat(size,cb){this.mediaData(size,cb)}mediaData(size,cb){var stream=new MediaData(this);return this.box({type:"mdat",contentLength:size,encodeBufferLen:8,stream:stream},cb),stream}box(box,cb){if(cb||(cb=noop),this.destroyed)return cb(new Error("Encoder is destroyed"));var buf;if(box.encodeBufferLen&&(buf=Buffer.alloc(box.encodeBufferLen)),box.stream)box.buffer=null,buf=Box.encode(box,buf),this.push(buf),this._stream=box.stream,this._stream.on("readable",this._onreadable),this._stream.on("end",this._onend),this._stream.on("end",cb),this._forward();else{buf=Box.encode(box,buf);var drained=this.push(buf);if(drained)return queueMicrotask(cb);this._drain=cb}}destroy(err){if(!this.destroyed){if(this.destroyed=!0,this._stream&&this._stream.destroy&&this._stream.destroy(),this._stream=null,this._drain){var cb=this._drain;this._drain=null,cb(err)}err&&this.emit("error",err),this.emit("close")}}finalize(){this._finalized=!0,this._stream||this._drain||this.push(null)}_forward(){if(this._stream)for(;!this.destroyed;){var buf=this._stream.read();if(!buf)return void(this._want=!!this._stream);if(!this.push(buf))return}}_read(){if(!(this._reading||this.destroyed)){if(this._reading=!0,this._stream&&this._forward(),this._drain){var drain=this._drain;this._drain=null,drain()}this._reading=!1,this._finalized&&this.push(null)}}}class MediaData extends stream.PassThrough{constructor(parent){super(),this._parent=parent,this.destroyed=!1}destroy(err){this.destroyed||(this.destroyed=!0,this._parent.destroy(err),err&&this.emit("error",err),this.emit("close"))}}module.exports=Encoder}).call(this)}).call(this,require("buffer").Buffer)},{buffer:101,"mp4-box-encoding":224,"queue-microtask":259,"readable-stream":281}],227:[function(require,module,exports){const Decoder=require("./decode"),Encoder=require("./encode");exports.decode=opts=>new Decoder(opts),exports.encode=opts=>new Encoder(opts)},{"./decode":225,"./encode":226}],228:[function(require,module,exports){function parse(str){if(str+="",!(100<str.length)){var match=/^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(str);if(match){var n=parseFloat(match[1]),type=(match[2]||"ms").toLowerCase();return"years"===type||"year"===type||"yrs"===type||"yr"===type||"y"===type?31557600000*n:"weeks"===type||"week"===type||"w"===type?604800000*n:"days"===type||"day"===type||"d"===type?86400000*n:"hours"===type||"hour"===type||"hrs"===type||"hr"===type||"h"===type?3600000*n:"minutes"===type||"minute"===type||"mins"===type||"min"===type||"m"===type?60000*n:"seconds"===type||"second"===type||"secs"===type||"sec"===type||"s"===type?1000*n:"milliseconds"===type||"millisecond"===type||"msecs"===type||"msec"===type||"ms"===type?n:void 0}}}function fmtShort(ms){var msAbs=_Mathabs(ms);return 86400000<=msAbs?_Mathround(ms/86400000)+"d":3600000<=msAbs?_Mathround(ms/3600000)+"h":60000<=msAbs?_Mathround(ms/60000)+"m":1000<=msAbs?_Mathround(ms/1000)+"s":ms+"ms"}function fmtLong(ms){var msAbs=_Mathabs(ms);return 86400000<=msAbs?plural(ms,msAbs,86400000,"day"):3600000<=msAbs?plural(ms,msAbs,3600000,"hour"):60000<=msAbs?plural(ms,msAbs,60000,"minute"):1000<=msAbs?plural(ms,msAbs,1000,"second"):ms+" ms"}function plural(ms,msAbs,n,name){var isPlural=msAbs>=1.5*n;return _Mathround(ms/n)+" "+name+(isPlural?"s":"")}var s=1e3,m=60000,h=60*m,d=24*h,w=7*d,y=365.25*d;module.exports=function(val,options){options=options||{};var type=typeof val;if("string"==type&&0<val.length)return parse(val);if("number"===type&&isFinite(val))return options.long?fmtLong(val):fmtShort(val);throw new Error("val is not a non-empty string or a valid number. val="+JSON.stringify(val))}},{}],229:[function(require,module,exports){function nextEvent(emitter,name){var next=null;return emitter.on(name,function(data){if(next){var fn=next;next=null,fn(data)}}),function(once){next=once}}module.exports=nextEvent},{}],230:[function(require,module,exports){/* + */module.exports=function(obj){return null!=obj&&(isBuffer(obj)||isSlowBuffer(obj)||!!obj._isBuffer)}},{}],195:[function(require,module,exports){"use strict";var fnToStr=Function.prototype.toString,reflectApply="object"==typeof Reflect&&null!==Reflect&&Reflect.apply,badArrayLike,isCallableMarker;if("function"==typeof reflectApply&&"function"==typeof Object.defineProperty)try{badArrayLike=Object.defineProperty({},"length",{get:function(){throw isCallableMarker}}),isCallableMarker={},reflectApply(function(){throw 42},null,badArrayLike)}catch(_){_!==isCallableMarker&&(reflectApply=null)}else reflectApply=null;var constructorRegex=/^\s*class\b/,isES6ClassFn=function isES6ClassFunction(value){try{var fnStr=fnToStr.call(value);return constructorRegex.test(fnStr)}catch(e){return!1}},tryFunctionObject=function tryFunctionToStr(value){try{return!isES6ClassFn(value)&&(fnToStr.call(value),!0)}catch(e){return!1}},toStr=Object.prototype.toString,objectClass="[object Object]",fnClass="[object Function]",genClass="[object GeneratorFunction]",ddaClass="[object HTMLAllCollection]",ddaClass2="[object HTML document.all class]",ddaClass3="[object HTMLCollection]",hasToStringTag="function"==typeof Symbol&&!!Symbol.toStringTag,isIE68=!(0 in[,]),isDDA=function isDocumentDotAll(){return!1};if("object"==typeof document){var all=document.all;toStr.call(all)===toStr.call(document.all)&&(isDDA=function isDocumentDotAll(value){if((isIE68||!value)&&("undefined"==typeof value||"object"==typeof value))try{var str=toStr.call(value);return(str===ddaClass||str===ddaClass2||str===ddaClass3||str===objectClass)&&null==value("")}catch(e){}return!1})}module.exports=reflectApply?function isCallable(value){if(isDDA(value))return!0;if(!value)return!1;if("function"!=typeof value&&"object"!=typeof value)return!1;try{reflectApply(value,null,badArrayLike)}catch(e){if(e!==isCallableMarker)return!1}return!isES6ClassFn(value)&&tryFunctionObject(value)}:function isCallable(value){if(isDDA(value))return!0;if(!value)return!1;if("function"!=typeof value&&"object"!=typeof value)return!1;if(hasToStringTag)return tryFunctionObject(value);if(isES6ClassFn(value))return!1;var strClass=toStr.call(value);return!!(strClass===fnClass||strClass===genClass||/^\[object HTML/.test(strClass))&&tryFunctionObject(value)}},{}],196:[function(require,module,exports){"use strict";var toStr=Object.prototype.toString,fnToStr=Function.prototype.toString,isFnRegex=/^\s*(?:function)?\*/,hasToStringTag=require("has-tostringtag/shams")(),getProto=Object.getPrototypeOf,getGeneratorFunc=function(){if(!hasToStringTag)return!1;try{return Function("return function*() {}")()}catch(e){}},GeneratorFunction;module.exports=function isGeneratorFunction(fn){if("function"!=typeof fn)return!1;if(isFnRegex.test(fnToStr.call(fn)))return!0;if(!hasToStringTag){var str=toStr.call(fn);return"[object GeneratorFunction]"===str}if(!getProto)return!1;if("undefined"==typeof GeneratorFunction){var generatorFunc=getGeneratorFunc();GeneratorFunction=!!generatorFunc&&getProto(generatorFunc)}return getProto(fn)===GeneratorFunction}},{"has-tostringtag/shams":170}],197:[function(require,module,exports){(function(global){(function(){"use strict";var forEach=require("for-each"),availableTypedArrays=require("available-typed-arrays"),callBound=require("call-bind/callBound"),$toString=callBound("Object.prototype.toString"),hasToStringTag=require("has-tostringtag/shams")(),g="undefined"==typeof globalThis?global:globalThis,typedArrays=availableTypedArrays(),$indexOf=callBound("Array.prototype.indexOf",!0)||function indexOf(array,value){for(var i=0;i<array.length;i+=1)if(array[i]===value)return i;return-1},$slice=callBound("String.prototype.slice"),toStrTags={},gOPD=require("es-abstract/helpers/getOwnPropertyDescriptor"),getPrototypeOf=Object.getPrototypeOf;hasToStringTag&&gOPD&&getPrototypeOf&&forEach(typedArrays,function(typedArray){var arr=new g[typedArray];if(Symbol.toStringTag in arr){var proto=getPrototypeOf(arr),descriptor=gOPD(proto,Symbol.toStringTag);if(!descriptor){var superProto=getPrototypeOf(proto);descriptor=gOPD(superProto,Symbol.toStringTag)}toStrTags[typedArray]=descriptor.get}});var tryTypedArrays=function tryAllTypedArrays(value){var anyTrue=!1;return forEach(toStrTags,function(getter,typedArray){if(!anyTrue)try{anyTrue=getter.call(value)===typedArray}catch(e){}}),anyTrue};module.exports=function isTypedArray(value){if(!value||"object"!=typeof value)return!1;if(!hasToStringTag||!(Symbol.toStringTag in value)){var tag=$slice($toString(value),8,-1);return-1<$indexOf(typedArrays,tag)}return!!gOPD&&tryTypedArrays(value)}}).call(this)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"available-typed-arrays":36,"call-bind/callBound":104,"es-abstract/helpers/getOwnPropertyDescriptor":154,"for-each":162,"has-tostringtag/shams":170}],198:[function(require,module,exports){module.exports=async function*(iterators){for(let iterator of iterators)"function"==typeof iterator&&(iterator=iterator()),yield*iterator}},{}],199:[function(require,module,exports){"use strict";const blacklist=["^npm-debug\\.log$","^\\..*\\.swp$","^\\.DS_Store$","^\\.AppleDouble$","^\\.LSOverride$","^Icon\\r$","^\\._.*","^\\.Spotlight-V100(?:$|\\/)","\\.Trashes","^__MACOSX$","~$","^Thumbs\\.db$","^ehthumbs\\.db$","^Desktop\\.ini$","@eaDir$"];exports.re=()=>{throw new Error("`junk.re` was renamed to `junk.regex`")},exports.regex=new RegExp(blacklist.join("|")),exports.is=filename=>exports.regex.test(filename),exports.not=filename=>!exports.is(filename),exports.default=module.exports},{}],200:[function(require,module,exports){"use strict";function arrayEquals(array1,array2){if(array1===array2)return!0;if(array1.length!==array2.length)return!1;for(let i=0,length=array1.length;i<length;++i)if(array1[i]!==array2[i])return!1;return!0}function createNode(){return{contacts:[],dontSplit:!1,left:null,right:null}}function ensureInt8(name,val){if(!(val instanceof Uint8Array))throw new TypeError(name+" is not a Uint8Array")}const randomBytes=require("randombytes"),{EventEmitter}=require("events");class KBucket extends EventEmitter{constructor(options={}){super(),this.localNodeId=options.localNodeId||randomBytes(20),this.numberOfNodesPerKBucket=options.numberOfNodesPerKBucket||20,this.numberOfNodesToPing=options.numberOfNodesToPing||3,this.distance=options.distance||KBucket.distance,this.arbiter=options.arbiter||KBucket.arbiter,this.metadata=Object.assign({},options.metadata),ensureInt8("option.localNodeId as parameter 1",this.localNodeId),this.root=createNode()}static arbiter(incumbent,candidate){return incumbent.vectorClock>candidate.vectorClock?incumbent:candidate}static distance(firstId,secondId){let distance=0,i=0;const min=_Mathmin(firstId.length,secondId.length),max=_Mathmax(firstId.length,secondId.length);for(;i<min;++i)distance=256*distance+(firstId[i]^secondId[i]);for(;i<max;++i)distance=256*distance+255;return distance}add(contact){ensureInt8("contact.id",(contact||{}).id);let bitIndex=0,node=this.root;for(;null===node.contacts;)node=this._determineNode(node,contact.id,bitIndex++);const index=this._indexOf(node,contact.id);return 0<=index?(this._update(node,index,contact),this):node.contacts.length<this.numberOfNodesPerKBucket?(node.contacts.push(contact),this.emit("added",contact),this):node.dontSplit?(this.emit("ping",node.contacts.slice(0,this.numberOfNodesToPing),contact),this):(this._split(node,bitIndex),this.add(contact))}closest(id,n=1/0){if(ensureInt8("id",id),!_NumberisInteger(n)&&n!==1/0||0>=n)throw new TypeError("n is not positive number");let contacts=[];for(let nodes=[this.root],bitIndex=0;0<nodes.length&&contacts.length<n;){const node=nodes.pop();if(null===node.contacts){const detNode=this._determineNode(node,id,bitIndex++);nodes.push(node.left===detNode?node.right:node.left),nodes.push(detNode)}else contacts=contacts.concat(node.contacts)}return contacts.map(a=>[this.distance(a.id,id),a]).sort((a,b)=>a[0]-b[0]).slice(0,n).map(a=>a[1])}count(){let count=0;for(const nodes=[this.root];0<nodes.length;){const node=nodes.pop();null===node.contacts?nodes.push(node.right,node.left):count+=node.contacts.length}return count}_determineNode(node,id,bitIndex){const bytesDescribedByBitIndex=bitIndex>>3,bitIndexWithinByte=bitIndex%8;if(id.length<=bytesDescribedByBitIndex&&0!==bitIndexWithinByte)return node.left;const byteUnderConsideration=id[bytesDescribedByBitIndex];return byteUnderConsideration&1<<7-bitIndexWithinByte?node.right:node.left}get(id){ensureInt8("id",id);let bitIndex=0,node=this.root;for(;null===node.contacts;)node=this._determineNode(node,id,bitIndex++);const index=this._indexOf(node,id);return 0<=index?node.contacts[index]:null}_indexOf(node,id){for(let i=0;i<node.contacts.length;++i)if(arrayEquals(node.contacts[i].id,id))return i;return-1}remove(id){ensureInt8("the id as parameter 1",id);let bitIndex=0,node=this.root;for(;null===node.contacts;)node=this._determineNode(node,id,bitIndex++);const index=this._indexOf(node,id);if(0<=index){const contact=node.contacts.splice(index,1)[0];this.emit("removed",contact)}return this}_split(node,bitIndex){node.left=createNode(),node.right=createNode();for(const contact of node.contacts)this._determineNode(node,contact.id,bitIndex).contacts.push(contact);node.contacts=null;const detNode=this._determineNode(node,this.localNodeId,bitIndex),otherNode=node.left===detNode?node.right:node.left;otherNode.dontSplit=!0}toArray(){let result=[];for(const nodes=[this.root];0<nodes.length;){const node=nodes.pop();null===node.contacts?nodes.push(node.right,node.left):result=result.concat(node.contacts)}return result}*toIterable(){for(const nodes=[this.root];0<nodes.length;){const node=nodes.pop();null===node.contacts?nodes.push(node.right,node.left):yield*node.contacts}}_update(node,index,contact){if(!arrayEquals(node.contacts[index].id,contact.id))throw new Error("wrong index for _update");const incumbent=node.contacts[index],selection=this.arbiter(incumbent,contact);selection===incumbent&&incumbent!==contact||(node.contacts.splice(index,1),node.contacts.push(selection),this.emit("updated",incumbent,selection))}}module.exports=KBucket},{events:156,randombytes:262}],201:[function(require,module,exports){(function(Buffer){(function(){function RPC(opts){function check(){var missing=self.inflight;if(missing)for(var i=0,req;i<self._reqs.length;i++)if(req=self._reqs[i],req&&(req.ttl?req.ttl--:self._cancel(i,ETIMEDOUT),! --missing))return}function onlistening(){self.emit("listening")}function onerror(err){"EACCES"===err.code||"EADDRINUSE"===err.code?self.emit("error",err):self.emit("warning",err)}function onmessage(buf,rinfo){if(!self.destroyed&&rinfo.port){try{var message=bencode.decode(buf)}catch(e){return self.emit("warning",e)}var type=message&&message.y&&message.y.toString();if("r"===type||"e"===type){if(!Buffer.isBuffer(message.t))return;try{var tid=message.t.readUInt16BE(0)}catch(err){return self.emit("warning",err)}var index=self._ids.indexOf(tid);if(-1===index||0===tid)return self.emit("response",message,rinfo),void self.emit("warning",new Error("Unexpected transaction id: "+tid));var req=self._reqs[index];if(req.peer.host!==rinfo.address)return self.emit("response",message,rinfo),void self.emit("warning",new Error("Out of order response"));if(self._ids[index]=0,self._reqs[index]=null,self.inflight--,"e"===type){var isArray=Array.isArray(message.e),err=new Error(isArray?message.e.join(" "):"Unknown error");return err.code=isArray&&message.e.length&&"number"==typeof message.e[0]?message.e[0]:0,req.callback(err,message,rinfo,req.message),self.emit("update"),void self.emit("postupdate")}var rid=message.r&&message.r.id;if(req.peer&&req.peer.id&&rid&&!req.peer.id.equals(rid))return req.callback(EUNEXPECTEDNODE,null,rinfo),self.emit("update"),void self.emit("postupdate");req.callback(null,message,rinfo,req.message),self.emit("update"),self.emit("postupdate"),self.emit("response",message,rinfo)}else"q"===type?self.emit("query",message,rinfo):self.emit("warning",new Error("Unknown type: "+type))}}if(!(this instanceof RPC))return new RPC(opts);opts||(opts={});var self=this;this.timeout=opts.timeout||2e3,this.inflight=0,this.destroyed=!1,this.isIP=opts.isIP||isIP,this.socket=opts.socket||dgram.createSocket("udp4"),this.socket.on("message",onmessage),this.socket.on("error",onerror),this.socket.on("listening",onlistening),this._tick=0,this._ids=[],this._reqs=[],this._timer=setInterval(check,_Mathfloor(this.timeout/4)),events.EventEmitter.call(this)}function noop(){}var dgram=require("dgram"),bencode=require("bencode"),isIP=require("net").isIP,dns=require("dns"),util=require("util"),events=require("events"),ETIMEDOUT=new Error("Query timed out");ETIMEDOUT.code="ETIMEDOUT";var EUNEXPECTEDNODE=new Error("Unexpected node id");EUNEXPECTEDNODE.code="EUNEXPECTEDNODE",module.exports=RPC,util.inherits(RPC,events.EventEmitter),RPC.prototype.address=function(){return this.socket.address()},RPC.prototype.response=function(peer,req,res,cb){this.send(peer,{t:req.t,y:"r",r:res},cb)},RPC.prototype.error=function(peer,req,error,cb){this.send(peer,{t:req.t,y:"e",e:[].concat(error.message||error)},cb)},RPC.prototype.send=function(peer,message,cb){var buf=bencode.encode(message);this.socket.send(buf,0,buf.length,peer.port,peer.address||peer.host,cb||noop)},RPC.prototype.bind=function(){this.socket.bind.apply(this.socket,arguments)},RPC.prototype.destroy=function(cb){this.destroyed=!0,clearInterval(this._timer),cb&&this.socket.on("close",cb);for(var i=0;i<this._ids.length;i++)this._cancel(i);this.socket.close()},RPC.prototype.query=function(peer,query,cb){if(cb||(cb=noop),!this.isIP(peer.host))return this._resolveAndQuery(peer,query,cb);var message={t:Buffer.allocUnsafe(2),y:"q",q:query.q,a:query.a},req={ttl:4,peer:peer,message:message,callback:cb};65535===this._tick&&(this._tick=0);var tid=++this._tick,free=this._ids.indexOf(0);for(-1===free&&(free=this._ids.push(0)-1),this._ids[free]=tid;this._reqs.length<free;)this._reqs.push(null);return this._reqs[free]=req,this.inflight++,message.t.writeUInt16BE(tid,0),this.send(peer,message),tid},RPC.prototype.cancel=function(tid,err){var index=this._ids.indexOf(tid);-1<index&&this._cancel(index,err)},RPC.prototype._cancel=function(index,err){var req=this._reqs[index];this._ids[index]=0,this._reqs[index]=null,req&&(this.inflight--,req.callback(err||new Error("Query was cancelled"),null,req.peer),this.emit("update"),this.emit("postupdate"))},RPC.prototype._resolveAndQuery=function(peer,query,cb){var self=this;dns.lookup(peer.host,function(err,ip){return err?cb(err):self.destroyed?cb(new Error("k-rpc-socket is destroyed")):void self.query({host:ip,port:peer.port},query,cb)})}}).call(this)}).call(this,require("buffer").Buffer)},{bencode:47,buffer:101,dgram:106,dns:107,events:156,net:108,util:338}],202:[function(require,module,exports){(function(process,Buffer){(function(){function RPC(opts){function onupdate(){for(;self.pending.length&&self.socket.inflight<self.concurrency;){var next=self.pending.shift();self.query(next[0],next[1],next[2])}}function onerror(err){self.emit("error",err)}function onlistening(){self.emit("listening")}function onwarning(err){self.emit("warning",err)}function onquery(query,peer){addNode(query.a,peer),self.emit("query",query,peer)}function onresponse(reply,peer){addNode(reply.r,peer)}function addNode(data,peer){if(data&&isNodeId(data.id,self._idLength)&&!data.id.equals(self.id)){var old=self.nodes.get(data.id);if(old)return void(old.seen=Date.now());self._addNode({id:data.id,host:peer.address||peer.host,port:peer.port,distance:0,seen:Date.now()})}}if(!(this instanceof RPC))return new RPC(opts);opts||(opts={});var self=this;this._idLength=opts.idLength||20,this.id=toBuffer(opts.id||opts.nodeId||randombytes(this._idLength)),this.socket=opts.krpcSocket||socket(opts),this.bootstrap=toBootstrapArray(opts.nodes||opts.bootstrap),this.concurrency=opts.concurrency||16,this.backgroundConcurrency=opts.backgroundConcurrency||0|this.concurrency/4,this.k=opts.k||20,this.destroyed=!1,this.pending=[],this.nodes=null,this.socket.setMaxListeners(0),this.socket.on("query",onquery),this.socket.on("response",onresponse),this.socket.on("warning",onwarning),this.socket.on("error",onerror),this.socket.on("update",onupdate),this.socket.on("listening",onlistening),events.EventEmitter.call(this),this.clear()}function toBootstrapArray(val){return!1===val?[]:!0===val?BOOTSTRAP_NODES:[].concat(val||BOOTSTRAP_NODES).map(parsePeer)}function isNodeId(id,idLength){return id&&Buffer.isBuffer(id)&&id.length===idLength}function encodeNodes(nodes,idLength){for(var buf=Buffer.allocUnsafe(nodes.length*(idLength+6)),ptr=0,i=0,node;i<nodes.length;i++)if(node=nodes[i],isNodeId(node.id,idLength)){node.id.copy(buf,ptr),ptr+=idLength;for(var ip=(node.host||node.address).split("."),j=0;4>j;j++)buf[ptr++]=parseInt(ip[j]||0,10);buf.writeUInt16BE(node.port,ptr),ptr+=2}return ptr===buf.length?buf:buf.slice(0,ptr)}function parseNodes(buf,idLength){var contacts=[];try{for(var i=0,port;i<buf.length;i+=idLength+6)port=buf.readUInt16BE(i+(idLength+4)),port&&contacts.push({id:buf.slice(i,i+idLength),host:parseIp(buf,i+idLength),port:port,distance:0,token:null})}catch(err){}return contacts}function parseIp(buf,offset){return buf[offset++]+"."+buf[offset++]+"."+buf[offset++]+"."+buf[offset++]}function parsePeer(peer){return"string"==typeof peer?{host:peer.split(":")[0],port:+peer.split(":")[1]}:peer}function noop(){}function toBuffer(str){if(Buffer.isBuffer(str))return str;if(ArrayBuffer.isView(str))return Buffer.from(str.buffer,str.byteOffset,str.byteLength);if("string"==typeof str)return Buffer.from(str,"hex");throw new Error("Pass a buffer or a string")}var socket=require("k-rpc-socket"),KBucket=require("k-bucket"),events=require("events"),randombytes=require("randombytes"),util=require("util"),K=20,MAX_CONCURRENCY=16,BOOTSTRAP_NODES=[{host:"router.bittorrent.com",port:6881},{host:"router.utorrent.com",port:6881},{host:"dht.transmissionbt.com",port:6881}];module.exports=RPC,util.inherits(RPC,events.EventEmitter),RPC.prototype.response=function(node,query,response,nodes,cb){"function"==typeof nodes&&(cb=nodes,nodes=null),response.id||(response.id=this.id),nodes&&(response.nodes=encodeNodes(nodes,this._idLength)),this.socket.response(node,query,response,cb)},RPC.prototype.error=function(node,query,error,cb){this.socket.error(node,query,error,cb)},RPC.prototype.bind=function(){this.socket.bind.apply(this.socket,arguments)},RPC.prototype.address=function(){return this.socket.address()},RPC.prototype.queryAll=function(nodes,message,visit,cb){function done(err,res,peer){err?300<=err.code&&400>err.code&&(error=err):hits++,err||stop||!visit||!1!==visit(res,peer)||(stop=!0),--missing||cb(hits?null:error||new Error("All queries failed"),hits)}message.a||(message.a={}),message.a.id||(message.a.id=this.id);var stop=!1,missing=nodes.length,hits=0,error=null;if(!missing)return cb(new Error("No nodes to query"),0);for(var i=0;i<nodes.length;i++)this.query(nodes[i],message,done)},RPC.prototype.query=function(node,message,cb){this.socket.inflight>=this.concurrency?this.pending.push([node,message,cb]):(!message.a&&(message.a={}),!message.a.id&&(message.a.id=this.id),node.token&&(message.a.token=node.token),this.socket.query(node,message,cb))},RPC.prototype.destroy=function(cb){this.destroyed=!0,this.socket.destroy(cb)},RPC.prototype.clear=function(){function onping(older,newer){self.emit("ping",older,function swap(deadNode){deadNode&&(deadNode.id&&self.nodes.remove(deadNode.id),self._addNode(newer))})}var self=this;this.nodes=new KBucket({localNodeId:this.id,numberOfNodesPerKBucket:this.k,numberOfNodesToPing:this.concurrency}),this.nodes.on("ping",onping)},RPC.prototype.populate=function(target,message,cb){this._closest(target,message,!0,null,cb)},RPC.prototype.closest=function(target,message,visit,cb){this._closest(target,message,!1,visit,cb)},RPC.prototype._addNode=function(node){var old=this.nodes.get(node.id);this.nodes.add(node),old||this.emit("node",node)},RPC.prototype._closest=function(target,message,background,visit,cb){function kick(){if(!(self.destroyed||self.socket.inflight>=self.concurrency)){var otherInflight=self.pending.length+self.socket.inflight-pending;if(!(background&&self.socket.inflight>=self.backgroundConcurrency&&otherInflight)){var closest=table.closest(target,self.k);(!closest.length||closest.length<self.bootstrap.length)&&(closest=self.nodes.closest(target,self.k),(!closest.length||closest.length<self.bootstrap.length)&&bootstrap());for(var i=0;i<closest.length&&!stop;i++){if(self.socket.inflight>=self.concurrency)return;var peer=closest[i],id=peer.host+":"+peer.port;queried[id]||(queried[id]=!0,pending++,self.socket.query(peer,message,afterQuery))}pending||(self.socket.removeListener(evt,kick),process.nextTick(done))}}}function done(){cb(null,count)}function bootstrap(){once&&(once=!1,self.bootstrap.forEach(function(peer){pending++,self.socket.query(peer,message,afterQuery)}))}function afterQuery(err,res,peer){pending--,peer&&(queried[(peer.address||peer.host)+":"+peer.port]=!0),peer&&peer.id&&self.nodes.get(peer.id)&&err&&("EUNEXPECTEDNODE"===err.code||"ETIMEDOUT"===err.code)&&self.nodes.remove(peer.id);var r=res&&res.r;if(!r)return kick();!err&&isNodeId(r.id,self._idLength)&&(count++,add({id:r.id,port:peer.port,host:peer.host||peer.address,distance:0}));for(var nodes=r.nodes?parseNodes(r.nodes,self._idLength):[],i=0;i<nodes.length;i++)add(nodes[i]);visit&&!1===visit(res,peer)&&(stop=!0),kick()}function add(node){node.id.equals(self.id)||table.add(node)}cb||(cb=noop);var self=this,count=0,queried={},pending=0,once=!0,stop=!1;message.a||(message.a={}),message.a.id||(message.a.id=this.id);var table=new KBucket({localNodeId:target,numberOfNodesPerKBucket:this.k,numberOfNodesToPing:this.concurrency}),evt=background?"postupdate":"update";this.socket.on(evt,kick),kick()}}).call(this)}).call(this,require("_process"),require("buffer").Buffer)},{_process:246,buffer:101,events:156,"k-bucket":200,"k-rpc-socket":201,randombytes:262,util:338}],203:[function(require,module,exports){function noop(_){}module.exports=function(work){function update(cb){if(callback)return pending||(pending=[]),void pending.push(cb);var val=next;next=null,callback=cb,work(val,done)}function done(err){var cb=callback,cbs=callbacks;if(callbacks=null,callback=null,pending&&(callbacks=pending,pending=null,update(noop)),cbs)for(var i=0;i<cbs.length;i++)cbs[i](err);cb(err)}var pending=null,callback=null,callbacks=null,next=null;return function(val,cb){next=val,update(cb||noop)}}},{}],204:[function(require,module,exports){exports.RateLimiter=require("./lib/rateLimiter"),exports.TokenBucket=require("./lib/tokenBucket")},{"./lib/rateLimiter":206,"./lib/tokenBucket":207}],205:[function(require,module,exports){(function(process){(function(){var getMilliseconds=function(){if("undefined"!=typeof process&&process.hrtime){var hrtime=process.hrtime(),seconds=hrtime[0],nanoseconds=hrtime[1];return 1e3*seconds+_Mathfloor(nanoseconds/1e6)}return new Date().getTime()};module.exports=getMilliseconds}).call(this)}).call(this,require("_process"))},{_process:246}],206:[function(require,module,exports){(function(process){(function(){var TokenBucket=require("./tokenBucket"),getMilliseconds=require("./clock"),RateLimiter=function(tokensPerInterval,interval,fireImmediately){this.tokenBucket=new TokenBucket(tokensPerInterval,tokensPerInterval,interval,null),this.tokenBucket.content=tokensPerInterval,this.curIntervalStart=getMilliseconds(),this.tokensThisInterval=0,this.fireImmediately=fireImmediately};RateLimiter.prototype={tokenBucket:null,curIntervalStart:0,tokensThisInterval:0,fireImmediately:!1,removeTokens:function(count,callback){function afterTokensRemoved(err,tokensRemaining){return err?callback(err,null):void(self.tokensThisInterval+=count,callback(null,tokensRemaining))}if(count>this.tokenBucket.bucketSize)return process.nextTick(callback.bind(null,"Requested tokens "+count+" exceeds maximum tokens per interval "+this.tokenBucket.bucketSize,null)),!1;var self=this,now=getMilliseconds();if((now<this.curIntervalStart||now-this.curIntervalStart>=this.tokenBucket.interval)&&(this.curIntervalStart=now,this.tokensThisInterval=0),count>this.tokenBucket.tokensPerInterval-this.tokensThisInterval){if(this.fireImmediately)process.nextTick(callback.bind(null,null,-1));else{var waitInterval=_Mathceil(this.curIntervalStart+this.tokenBucket.interval-now);setTimeout(function(){self.tokenBucket.removeTokens(count,afterTokensRemoved)},waitInterval)}return!1}return this.tokenBucket.removeTokens(count,afterTokensRemoved)},tryRemoveTokens:function(count){if(count>this.tokenBucket.bucketSize)return!1;var now=getMilliseconds();if((now<this.curIntervalStart||now-this.curIntervalStart>=this.tokenBucket.interval)&&(this.curIntervalStart=now,this.tokensThisInterval=0),count>this.tokenBucket.tokensPerInterval-this.tokensThisInterval)return!1;var removed=this.tokenBucket.tryRemoveTokens(count);return removed&&(this.tokensThisInterval+=count),removed},getTokensRemaining:function(){return this.tokenBucket.drip(),this.tokenBucket.content}},module.exports=RateLimiter}).call(this)}).call(this,require("_process"))},{"./clock":205,"./tokenBucket":207,_process:246}],207:[function(require,module,exports){(function(process){(function(){var TokenBucket=function(bucketSize,tokensPerInterval,interval,parentBucket){if(this.bucketSize=bucketSize,this.tokensPerInterval=tokensPerInterval,"string"==typeof interval)switch(interval){case"sec":case"second":this.interval=1e3;break;case"min":case"minute":this.interval=60000;break;case"hr":case"hour":this.interval=3600000;break;case"day":this.interval=86400000;break;default:throw new Error("Invaid interval "+interval);}else this.interval=interval;this.parentBucket=parentBucket,this.content=0,this.lastDrip=+new Date};TokenBucket.prototype={bucketSize:1,tokensPerInterval:1,interval:1e3,parentBucket:null,content:0,lastDrip:0,removeTokens:function(count,callback){function comeBackLater(){var waitInterval=_Mathceil((count-self.content)*(self.interval/self.tokensPerInterval));return setTimeout(function(){self.removeTokens(count,callback)},waitInterval),!1}var self=this;return this.bucketSize?count>this.bucketSize?(process.nextTick(callback.bind(null,"Requested tokens "+count+" exceeds bucket size "+this.bucketSize,null)),!1):(this.drip(),count>this.content?comeBackLater():this.parentBucket?this.parentBucket.removeTokens(count,function(err,remainingTokens){return err?callback(err,null):count>self.content?comeBackLater():void(self.content-=count,callback(null,_Mathmin(remainingTokens,self.content)))}):(this.content-=count,process.nextTick(callback.bind(null,null,this.content)),!0)):(process.nextTick(callback.bind(null,null,count,Number.POSITIVE_INFINITY)),!0)},tryRemoveTokens:function(count){return!this.bucketSize||!(count>this.bucketSize)&&(this.drip(),!(count>this.content))&&(!this.parentBucket||this.parentBucket.tryRemoveTokens(count))&&(this.content-=count,!0)},drip:function(){if(!this.tokensPerInterval)return void(this.content=this.bucketSize);var now=+new Date,deltaMS=_Mathmax(now-this.lastDrip,0);this.lastDrip=now;var dripAmount=deltaMS*(this.tokensPerInterval/this.interval);this.content=_Mathmin(this.content+dripAmount,this.bucketSize)}},module.exports=TokenBucket}).call(this)}).call(this,require("_process"))},{_process:246}],208:[function(require,module,exports){function LRU(opts){return this instanceof LRU?void("number"==typeof opts&&(opts={max:opts}),!opts&&(opts={}),events.EventEmitter.call(this),this.cache={},this.head=this.tail=null,this.length=0,this.max=opts.max||1e3,this.maxAge=opts.maxAge||0):new LRU(opts)}var events=require("events"),inherits=require("inherits");module.exports=LRU,inherits(LRU,events.EventEmitter),Object.defineProperty(LRU.prototype,"keys",{get:function(){return Object.keys(this.cache)}}),LRU.prototype.clear=function(){this.cache={},this.head=this.tail=null,this.length=0},LRU.prototype.remove=function(key){if("string"!=typeof key&&(key=""+key),!!this.cache.hasOwnProperty(key)){var element=this.cache[key];return delete this.cache[key],this._unlink(key,element.prev,element.next),element.value}},LRU.prototype._unlink=function(key,prev,next){this.length--,0===this.length?this.head=this.tail=null:this.head===key?(this.head=prev,this.cache[this.head].next=null):this.tail===key?(this.tail=next,this.cache[this.tail].prev=null):(this.cache[prev].next=next,this.cache[next].prev=prev)},LRU.prototype.peek=function(key){if(this.cache.hasOwnProperty(key)){var element=this.cache[key];return this._checkAge(key,element)?element.value:void 0}},LRU.prototype.set=function(key,value){"string"!=typeof key&&(key=""+key);var element;if(this.cache.hasOwnProperty(key)){if(element=this.cache[key],element.value=value,this.maxAge&&(element.modified=Date.now()),key===this.head)return value;this._unlink(key,element.prev,element.next)}else element={value:value,modified:0,next:null,prev:null},this.maxAge&&(element.modified=Date.now()),this.cache[key]=element,this.length===this.max&&this.evict();return this.length++,element.next=null,element.prev=this.head,this.head&&(this.cache[this.head].next=key),this.head=key,this.tail||(this.tail=key),value},LRU.prototype._checkAge=function(key,element){return!(this.maxAge&&Date.now()-element.modified>this.maxAge)||(this.remove(key),this.emit("evict",{key:key,value:element.value}),!1)},LRU.prototype.get=function(key){if("string"!=typeof key&&(key=""+key),!!this.cache.hasOwnProperty(key)){var element=this.cache[key];if(this._checkAge(key,element))return this.head!==key&&(key===this.tail?(this.tail=element.next,this.cache[this.tail].prev=null):this.cache[element.prev].next=element.next,this.cache[element.next].prev=element.prev,this.cache[this.head].next=key,element.prev=this.head,element.next=null,this.head=key),element.value}},LRU.prototype.evict=function(){if(this.tail){var key=this.tail,value=this.remove(this.tail);this.emit("evict",{key:key,value:value})}}},{events:156,inherits:190}],209:[function(require,module,exports){(function(Buffer){(function(){/*! lt_donthave. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const arrayRemove=require("unordered-array-remove"),{EventEmitter}=require("events"),debug=require("debug")("lt_donthave");module.exports=()=>{class ltDontHave extends EventEmitter{constructor(wire){super(),this._peerSupports=!1,this._wire=wire}onExtendedHandshake(){this._peerSupports=!0}onMessage(buf){let index;try{index=buf.readUInt32BE()}catch(err){return}this._wire.peerPieces.get(index)&&(debug("got donthave %d",index),this._wire.peerPieces.set(index,!1),this.emit("donthave",index),this._failRequests(index))}donthave(index){if(this._peerSupports){debug("donthave %d",index);const buf=Buffer.alloc(4);buf.writeUInt32BE(index),this._wire.extended("lt_donthave",buf)}}_failRequests(index){const requests=this._wire.requests;for(let i=0;i<requests.length;i++){const req=requests[i];req.piece===index&&(arrayRemove(requests,i),i-=1,this._wire._callback(req,new Error("peer sent donthave"),null))}}}return ltDontHave.prototype.name="lt_donthave",ltDontHave}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:101,debug:122,events:156,"unordered-array-remove":330}],210:[function(require,module,exports){(function(Buffer){(function(){function magnetURIDecode(uri){const result={},data=uri.split("magnet:?")[1],params=data&&0<=data.length?data.split("&"):[];params.forEach(param=>{const keyval=param.split("=");if(2!==keyval.length)return;const key=keyval[0];let val=keyval[1];"dn"===key&&(val=decodeURIComponent(val).replace(/\+/g," ")),("tr"===key||"xs"===key||"as"===key||"ws"===key)&&(val=decodeURIComponent(val)),"kt"===key&&(val=decodeURIComponent(val).split("+")),"ix"===key&&(val=+val),"so"===key&&(val=bep53Range.parse(decodeURIComponent(val).split(","))),result[key]?(!Array.isArray(result[key])&&(result[key]=[result[key]]),result[key].push(val)):result[key]=val});let m;if(result.xt){const xts=Array.isArray(result.xt)?result.xt:[result.xt];xts.forEach(xt=>{if(m=xt.match(/^urn:btih:(.{40})/))result.infoHash=m[1].toLowerCase();else if(m=xt.match(/^urn:btih:(.{32})/)){const decodedStr=base32.decode(m[1]);result.infoHash=Buffer.from(decodedStr,"binary").toString("hex")}else(m=xt.match(/^urn:btmh:1220(.{64})/))&&(result.infoHashV2=m[1].toLowerCase())})}if(result.xs){const xss=Array.isArray(result.xs)?result.xs:[result.xs];xss.forEach(xs=>{(m=xs.match(/^urn:btpk:(.{64})/))&&(result.publicKey=m[1].toLowerCase())})}return result.infoHash&&(result.infoHashBuffer=Buffer.from(result.infoHash,"hex")),result.infoHashV2&&(result.infoHashV2Buffer=Buffer.from(result.infoHashV2,"hex")),result.publicKey&&(result.publicKeyBuffer=Buffer.from(result.publicKey,"hex")),result.dn&&(result.name=result.dn),result.kt&&(result.keywords=result.kt),result.announce=[],("string"==typeof result.tr||Array.isArray(result.tr))&&(result.announce=result.announce.concat(result.tr)),result.urlList=[],("string"==typeof result.as||Array.isArray(result.as))&&(result.urlList=result.urlList.concat(result.as)),("string"==typeof result.ws||Array.isArray(result.ws))&&(result.urlList=result.urlList.concat(result.ws)),result.peerAddresses=[],("string"==typeof result["x.pe"]||Array.isArray(result["x.pe"]))&&(result.peerAddresses=result.peerAddresses.concat(result["x.pe"])),result.announce=Array.from(new Set(result.announce)),result.urlList=Array.from(new Set(result.urlList)),result.peerAddresses=Array.from(new Set(result.peerAddresses)),result}function magnetURIEncode(obj){obj=Object.assign({},obj);let xts=new Set;obj.xt&&"string"==typeof obj.xt&&xts.add(obj.xt),obj.xt&&Array.isArray(obj.xt)&&(xts=new Set(obj.xt)),obj.infoHashBuffer&&xts.add(`urn:btih:${obj.infoHashBuffer.toString("hex")}`),obj.infoHash&&xts.add(`urn:btih:${obj.infoHash}`),obj.infoHashV2Buffer&&xts.add(obj.xt=`urn:btmh:1220${obj.infoHashV2Buffer.toString("hex")}`),obj.infoHashV2&&xts.add(`urn:btmh:1220${obj.infoHashV2}`);const xtsDeduped=Array.from(xts);1===xtsDeduped.length&&(obj.xt=xtsDeduped[0]),1<xtsDeduped.length&&(obj.xt=xtsDeduped),obj.publicKeyBuffer&&(obj.xs=`urn:btpk:${obj.publicKeyBuffer.toString("hex")}`),obj.publicKey&&(obj.xs=`urn:btpk:${obj.publicKey}`),obj.name&&(obj.dn=obj.name),obj.keywords&&(obj.kt=obj.keywords),obj.announce&&(obj.tr=obj.announce),obj.urlList&&(obj.ws=obj.urlList,delete obj.as),obj.peerAddresses&&(obj["x.pe"]=obj.peerAddresses);let result="magnet:?";return Object.keys(obj).filter(key=>2===key.length||"x.pe"===key).forEach((key,i)=>{const values=Array.isArray(obj[key])?obj[key]:[obj[key]];values.forEach((val,j)=>{(0<i||0<j)&&("kt"!==key&&"so"!==key||0===j)&&(result+="&"),"dn"===key&&(val=encodeURIComponent(val).replace(/%20/g,"+")),("tr"===key||"as"===key||"ws"===key)&&(val=encodeURIComponent(val)),"xs"!==key||val.startsWith("urn:btpk:")||(val=encodeURIComponent(val)),"kt"===key&&(val=encodeURIComponent(val)),"so"===key||("kt"===key&&0<j?result+=`+${val}`:result+=`${key}=${val}`)}),"so"===key&&(result+=`${key}=${bep53Range.compose(values)}`)}),result}module.exports=magnetURIDecode,module.exports.decode=magnetURIDecode,module.exports.encode=magnetURIEncode;const base32=require("thirty-two"),bep53Range=require("bep53-range")}).call(this)}).call(this,require("buffer").Buffer)},{"bep53-range":49,buffer:101,"thirty-two":322}],211:[function(require,module,exports){"use strict";function MD5(){HashBase.call(this,64),this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878}function rotl(x,n){return x<<n|x>>>32-n}function fnF(a,b,c,d,m,k,s){return 0|rotl(0|a+(b&c|~b&d)+m+k,s)+b}function fnG(a,b,c,d,m,k,s){return 0|rotl(0|a+(b&d|c&~d)+m+k,s)+b}function fnH(a,b,c,d,m,k,s){return 0|rotl(0|a+(b^c^d)+m+k,s)+b}function fnI(a,b,c,d,m,k,s){return 0|rotl(0|a+(c^(b|~d))+m+k,s)+b}var inherits=require("inherits"),HashBase=require("hash-base"),Buffer=require("safe-buffer").Buffer,ARRAY16=Array(16);inherits(MD5,HashBase),MD5.prototype._update=function(){for(var M=ARRAY16,i=0;16>i;++i)M[i]=this._block.readInt32LE(4*i);var a=this._a,b=this._b,c=this._c,d=this._d;a=fnF(a,b,c,d,M[0],3614090360,7),d=fnF(d,a,b,c,M[1],3905402710,12),c=fnF(c,d,a,b,M[2],606105819,17),b=fnF(b,c,d,a,M[3],3250441966,22),a=fnF(a,b,c,d,M[4],4118548399,7),d=fnF(d,a,b,c,M[5],1200080426,12),c=fnF(c,d,a,b,M[6],2821735955,17),b=fnF(b,c,d,a,M[7],4249261313,22),a=fnF(a,b,c,d,M[8],1770035416,7),d=fnF(d,a,b,c,M[9],2336552879,12),c=fnF(c,d,a,b,M[10],4294925233,17),b=fnF(b,c,d,a,M[11],2304563134,22),a=fnF(a,b,c,d,M[12],1804603682,7),d=fnF(d,a,b,c,M[13],4254626195,12),c=fnF(c,d,a,b,M[14],2792965006,17),b=fnF(b,c,d,a,M[15],1236535329,22),a=fnG(a,b,c,d,M[1],4129170786,5),d=fnG(d,a,b,c,M[6],3225465664,9),c=fnG(c,d,a,b,M[11],643717713,14),b=fnG(b,c,d,a,M[0],3921069994,20),a=fnG(a,b,c,d,M[5],3593408605,5),d=fnG(d,a,b,c,M[10],38016083,9),c=fnG(c,d,a,b,M[15],3634488961,14),b=fnG(b,c,d,a,M[4],3889429448,20),a=fnG(a,b,c,d,M[9],568446438,5),d=fnG(d,a,b,c,M[14],3275163606,9),c=fnG(c,d,a,b,M[3],4107603335,14),b=fnG(b,c,d,a,M[8],1163531501,20),a=fnG(a,b,c,d,M[13],2850285829,5),d=fnG(d,a,b,c,M[2],4243563512,9),c=fnG(c,d,a,b,M[7],1735328473,14),b=fnG(b,c,d,a,M[12],2368359562,20),a=fnH(a,b,c,d,M[5],4294588738,4),d=fnH(d,a,b,c,M[8],2272392833,11),c=fnH(c,d,a,b,M[11],1839030562,16),b=fnH(b,c,d,a,M[14],4259657740,23),a=fnH(a,b,c,d,M[1],2763975236,4),d=fnH(d,a,b,c,M[4],1272893353,11),c=fnH(c,d,a,b,M[7],4139469664,16),b=fnH(b,c,d,a,M[10],3200236656,23),a=fnH(a,b,c,d,M[13],681279174,4),d=fnH(d,a,b,c,M[0],3936430074,11),c=fnH(c,d,a,b,M[3],3572445317,16),b=fnH(b,c,d,a,M[6],76029189,23),a=fnH(a,b,c,d,M[9],3654602809,4),d=fnH(d,a,b,c,M[12],3873151461,11),c=fnH(c,d,a,b,M[15],530742520,16),b=fnH(b,c,d,a,M[2],3299628645,23),a=fnI(a,b,c,d,M[0],4096336452,6),d=fnI(d,a,b,c,M[7],1126891415,10),c=fnI(c,d,a,b,M[14],2878612391,15),b=fnI(b,c,d,a,M[5],4237533241,21),a=fnI(a,b,c,d,M[12],1700485571,6),d=fnI(d,a,b,c,M[3],2399980690,10),c=fnI(c,d,a,b,M[10],4293915773,15),b=fnI(b,c,d,a,M[1],2240044497,21),a=fnI(a,b,c,d,M[8],1873313359,6),d=fnI(d,a,b,c,M[15],4264355552,10),c=fnI(c,d,a,b,M[6],2734768916,15),b=fnI(b,c,d,a,M[13],1309151649,21),a=fnI(a,b,c,d,M[4],4149444226,6),d=fnI(d,a,b,c,M[11],3174756917,10),c=fnI(c,d,a,b,M[2],718787259,15),b=fnI(b,c,d,a,M[9],3951481745,21),this._a=0|this._a+a,this._b=0|this._b+b,this._c=0|this._c+c,this._d=0|this._d+d},MD5.prototype._digest=function(){this._block[this._blockOffset++]=128,56<this._blockOffset&&(this._block.fill(0,this._blockOffset,64),this._update(),this._blockOffset=0),this._block.fill(0,this._blockOffset,56),this._block.writeUInt32LE(this._length[0],56),this._block.writeUInt32LE(this._length[1],60),this._update();var buffer=Buffer.allocUnsafe(16);return buffer.writeInt32LE(this._a,0),buffer.writeInt32LE(this._b,4),buffer.writeInt32LE(this._c,8),buffer.writeInt32LE(this._d,12),buffer},module.exports=MD5},{"hash-base":172,inherits:190,"safe-buffer":290}],212:[function(require,module,exports){function MediaElementWrapper(elem,opts){var self=this;if(!(self instanceof MediaElementWrapper))return new MediaElementWrapper(elem,opts);if(!MediaSource)throw new Error("web browser lacks MediaSource support");opts||(opts={}),self._debug=opts.debug,self._bufferDuration=opts.bufferDuration||60,self._elem=elem,self._mediaSource=new MediaSource,self._streams=[],self.detailedError=null,self._errorHandler=function(){self._elem.removeEventListener("error",self._errorHandler);var streams=self._streams.slice();streams.forEach(function(stream){stream.destroy(self._elem.error)})},self._elem.addEventListener("error",self._errorHandler),self._elem.src=window.URL.createObjectURL(self._mediaSource)}function MediaSourceStream(wrapper,obj){var self=this;if(stream.Writable.call(self),self._wrapper=wrapper,self._elem=wrapper._elem,self._mediaSource=wrapper._mediaSource,self._allStreams=wrapper._streams,self._allStreams.push(self),self._bufferDuration=wrapper._bufferDuration,self._sourceBuffer=null,self._debugBuffers=[],self._openHandler=function(){self._onSourceOpen()},self._flowHandler=function(){self._flow()},self._errorHandler=function(err){self.destroyed||self.emit("error",err)},"string"==typeof obj)self._type=obj,"open"===self._mediaSource.readyState?self._createSourceBuffer():self._mediaSource.addEventListener("sourceopen",self._openHandler);else if(null===obj._sourceBuffer)obj.destroy(),self._type=obj._type,self._mediaSource.addEventListener("sourceopen",self._openHandler);else if(obj._sourceBuffer)obj.destroy(),self._type=obj._type,self._sourceBuffer=obj._sourceBuffer,self._debugBuffers=obj._debugBuffers,self._sourceBuffer.addEventListener("updateend",self._flowHandler),self._sourceBuffer.addEventListener("error",self._errorHandler);else throw new Error("The argument to MediaElementWrapper.createWriteStream must be a string or a previous stream returned from that function");self._elem.addEventListener("timeupdate",self._flowHandler),self.on("error",function(err){self._wrapper.error(err)}),self.on("finish",function(){if(!self.destroyed&&(self._finished=!0,self._allStreams.every(function(other){return other._finished}))){self._wrapper._dumpDebugData();try{self._mediaSource.endOfStream()}catch(err){}}})}function downloadBuffers(bufs,name){var a=document.createElement("a");a.href=window.URL.createObjectURL(new window.Blob(bufs)),a.download=name,a.click()}module.exports=MediaElementWrapper;var inherits=require("inherits"),stream=require("readable-stream"),toArrayBuffer=require("to-arraybuffer"),MediaSource="undefined"!=typeof window&&window.MediaSource,DEFAULT_BUFFER_DURATION=60;MediaElementWrapper.prototype.createWriteStream=function(obj){var self=this;return new MediaSourceStream(self,obj)},MediaElementWrapper.prototype.error=function(err){var self=this;self.detailedError||(self.detailedError=err),self._dumpDebugData();try{self._mediaSource.endOfStream("decode")}catch(err){}try{window.URL.revokeObjectURL(self._elem.src)}catch(err){}},MediaElementWrapper.prototype._dumpDebugData=function(){var self=this;self._debug&&(self._debug=!1,self._streams.forEach(function(stream,i){downloadBuffers(stream._debugBuffers,"mediasource-stream-"+i)}))},inherits(MediaSourceStream,stream.Writable),MediaSourceStream.prototype._onSourceOpen=function(){var self=this;self.destroyed||(self._mediaSource.removeEventListener("sourceopen",self._openHandler),self._createSourceBuffer())},MediaSourceStream.prototype.destroy=function(err){var self=this;self.destroyed||(self.destroyed=!0,self._allStreams.splice(self._allStreams.indexOf(self),1),self._mediaSource.removeEventListener("sourceopen",self._openHandler),self._elem.removeEventListener("timeupdate",self._flowHandler),self._sourceBuffer&&(self._sourceBuffer.removeEventListener("updateend",self._flowHandler),self._sourceBuffer.removeEventListener("error",self._errorHandler),"open"===self._mediaSource.readyState&&self._sourceBuffer.abort()),err&&self.emit("error",err),self.emit("close"))},MediaSourceStream.prototype._createSourceBuffer=function(){var self=this;if(!self.destroyed)if(!MediaSource.isTypeSupported(self._type))self.destroy(new Error("The provided type is not supported"));else if(self._sourceBuffer=self._mediaSource.addSourceBuffer(self._type),self._sourceBuffer.addEventListener("updateend",self._flowHandler),self._sourceBuffer.addEventListener("error",self._errorHandler),self._cb){var cb=self._cb;self._cb=null,cb()}},MediaSourceStream.prototype._write=function(chunk,encoding,cb){var self=this;if(!self.destroyed){if(!self._sourceBuffer)return void(self._cb=function(err){return err?cb(err):void self._write(chunk,encoding,cb)});if(self._sourceBuffer.updating)return cb(new Error("Cannot append buffer while source buffer updating"));var arr=toArrayBuffer(chunk);self._wrapper._debug&&self._debugBuffers.push(arr);try{self._sourceBuffer.appendBuffer(arr)}catch(err){return void self.destroy(err)}self._cb=cb}},MediaSourceStream.prototype._flow=function(){var self=this;if(!(self.destroyed||!self._sourceBuffer||self._sourceBuffer.updating)&&!("open"===self._mediaSource.readyState&&self._getBufferDuration()>self._bufferDuration)&&self._cb){var cb=self._cb;self._cb=null,cb()}};var EPSILON=0;MediaSourceStream.prototype._getBufferDuration=function(){for(var self=this,buffered=self._sourceBuffer.buffered,currentTime=self._elem.currentTime,bufferEnd=-1,i=0;i<buffered.length;i++){var start=buffered.start(i),end=buffered.end(i)+0;if(start>currentTime)break;else(0<=bufferEnd||currentTime<=end)&&(bufferEnd=end)}var bufferedTime=bufferEnd-currentTime;return 0>bufferedTime&&(bufferedTime=0),bufferedTime}},{inherits:190,"readable-stream":281,"to-arraybuffer":326}],213:[function(require,module,exports){function Storage(chunkLength,opts){if(!(this instanceof Storage))return new Storage(chunkLength,opts);if(opts||(opts={}),this.chunkLength=+chunkLength,!this.chunkLength)throw new Error("First argument must be a chunk length");this.chunks=[],this.closed=!1,this.length=+opts.length||1/0,this.length!==1/0&&(this.lastChunkLength=this.length%this.chunkLength||this.chunkLength,this.lastChunkIndex=_Mathceil(this.length/this.chunkLength)-1)}module.exports=Storage;const queueMicrotask=require("queue-microtask");Storage.prototype.put=function(index,buf,cb=()=>{}){if(this.closed)return queueMicrotask(()=>cb(new Error("Storage is closed")));const isLastChunk=index===this.lastChunkIndex;return isLastChunk&&buf.length!==this.lastChunkLength?queueMicrotask(()=>cb(new Error("Last chunk length must be "+this.lastChunkLength))):isLastChunk||buf.length===this.chunkLength?void(this.chunks[index]=buf,queueMicrotask(()=>cb(null))):queueMicrotask(()=>cb(new Error("Chunk length must be "+this.chunkLength)))},Storage.prototype.get=function(index,opts,cb=()=>{}){if("function"==typeof opts)return this.get(index,null,opts);if(this.closed)return queueMicrotask(()=>cb(new Error("Storage is closed")));let buf=this.chunks[index];if(!buf){const err=new Error("Chunk not found");return err.notFound=!0,queueMicrotask(()=>cb(err))}opts||(opts={});const offset=opts.offset||0,len=opts.length||buf.length-offset;(0!==offset||len!==buf.length)&&(buf=buf.slice(offset,len+offset)),queueMicrotask(()=>cb(null,buf))},Storage.prototype.close=Storage.prototype.destroy=function(cb=()=>{}){return this.closed?queueMicrotask(()=>cb(new Error("Storage is closed"))):void(this.closed=!0,this.chunks=null,queueMicrotask(()=>cb(null)))}},{"queue-microtask":259}],214:[function(require,module,exports){function MillerRabin(rand){this.rand=rand||new brorand.Rand}var bn=require("bn.js"),brorand=require("brorand");module.exports=MillerRabin,MillerRabin.create=function create(rand){return new MillerRabin(rand)},MillerRabin.prototype._randbelow=function _randbelow(n){var len=n.bitLength(),min_bytes=_Mathceil(len/8);do var a=new bn(this.rand.generate(min_bytes));while(0<=a.cmp(n));return a},MillerRabin.prototype._randrange=function _randrange(start,stop){var size=stop.sub(start);return start.add(this._randbelow(size))},MillerRabin.prototype.test=function test(n,k,cb){var len=n.bitLength(),red=bn.mont(n),rone=new bn(1).toRed(red);k||(k=_Mathmax(1,0|len/48));for(var n1=n.subn(1),s=0;!n1.testn(s);s++);for(var d=n.shrn(s),rn1=n1.toRed(red),prime=!0;0<k;k--){var a=this._randrange(new bn(2),n1);cb&&cb(a);var x=a.toRed(red).redPow(d);if(0!==x.cmp(rone)&&0!==x.cmp(rn1)){for(var i=1;i<s;i++){if(x=x.redSqr(),0===x.cmp(rone))return!1;if(0===x.cmp(rn1))break}if(i===s)return!1}}return prime},MillerRabin.prototype.getDivisor=function getDivisor(n,k){var len=n.bitLength(),red=bn.mont(n),rone=new bn(1).toRed(red);k||(k=_Mathmax(1,0|len/48));for(var n1=n.subn(1),s=0;!n1.testn(s);s++);for(var d=n.shrn(s),rn1=n1.toRed(red);0<k;k--){var a=this._randrange(new bn(2),n1),g=n.gcd(a);if(0!==g.cmpn(1))return g;var x=a.toRed(red).redPow(d);if(0!==x.cmp(rone)&&0!==x.cmp(rn1)){for(var i=1;i<s;i++){if(x=x.redSqr(),0===x.cmp(rone))return x.fromRed().subn(1).gcd(n);if(0===x.cmp(rn1))break}if(i===s)return x=x.redSqr(),x.fromRed().subn(1).gcd(n)}}return!1}},{"bn.js":215,brorand:65}],215:[function(require,module,exports){arguments[4][31][0].apply(exports,arguments)},{buffer:66,dup:31}],216:[function(require,module,exports){"use strict";function Mime(){this._types=Object.create(null),this._extensions=Object.create(null);for(let i=0;i<arguments.length;i++)this.define(arguments[i]);this.define=this.define.bind(this),this.getType=this.getType.bind(this),this.getExtension=this.getExtension.bind(this)}Mime.prototype.define=function(typeMap,force){for(let type in typeMap){let extensions=typeMap[type].map(function(t){return t.toLowerCase()});type=type.toLowerCase();for(let i=0;i<extensions.length;i++){const ext=extensions[i];if("*"!==ext[0]){if(!force&&ext in this._types)throw new Error("Attempt to change mapping for \""+ext+"\" extension from \""+this._types[ext]+"\" to \""+type+"\". Pass `force=true` to allow this, otherwise remove \""+ext+"\" from the list of extensions for \""+type+"\".");this._types[ext]=type}}if(force||!this._extensions[type]){const ext=extensions[0];this._extensions[type]="*"===ext[0]?ext.substr(1):ext}}},Mime.prototype.getType=function(path){path=path+"";let last=path.replace(/^.*[/\\]/,"").toLowerCase(),ext=last.replace(/^.*\./,"").toLowerCase(),hasPath=last.length<path.length,hasDot=ext.length<last.length-1;return(hasDot||!hasPath)&&this._types[ext]||null},Mime.prototype.getExtension=function(type){return type=/^\s*([^;\s]*)/.test(type)&&RegExp.$1,type&&this._extensions[type.toLowerCase()]||null},module.exports=Mime},{}],217:[function(require,module,exports){"use strict";let Mime=require("./Mime");module.exports=new 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8+4*(box.compatibleBrands||[]).length},exports.mvhd={},exports.mvhd.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(96),writeDate(box.ctime||new Date,buf,0),writeDate(box.mtime||new Date,buf,4),buf.writeUInt32BE(box.timeScale||0,8),buf.writeUInt32BE(box.duration||0,12),writeFixed32(box.preferredRate||0,buf,16),writeFixed16(box.preferredVolume||0,buf,20),writeReserved(buf,22,32),writeMatrix(box.matrix,buf,32),buf.writeUInt32BE(box.previewTime||0,68),buf.writeUInt32BE(box.previewDuration||0,72),buf.writeUInt32BE(box.posterTime||0,76),buf.writeUInt32BE(box.selectionTime||0,80),buf.writeUInt32BE(box.selectionDuration||0,84),buf.writeUInt32BE(box.currentTime||0,88),buf.writeUInt32BE(box.nextTrackId||0,92),exports.mvhd.encode.bytes=96,buf},exports.mvhd.decode=function(buf,offset){return buf=buf.slice(offset),{ctime:readDate(buf,0),mtime:readDate(buf,4),timeScale:buf.readUInt32BE(8),duration:buf.readUInt32BE(12),preferredRate:readFixed32(buf,16),preferredVolume:readFixed16(buf,20),matrix:readMatrix(buf.slice(32,68)),previewTime:buf.readUInt32BE(68),previewDuration:buf.readUInt32BE(72),posterTime:buf.readUInt32BE(76),selectionTime:buf.readUInt32BE(80),selectionDuration:buf.readUInt32BE(84),currentTime:buf.readUInt32BE(88),nextTrackId:buf.readUInt32BE(92)}},exports.mvhd.encodingLength=function(box){return 96},exports.tkhd={},exports.tkhd.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(80),writeDate(box.ctime||new Date,buf,0),writeDate(box.mtime||new Date,buf,4),buf.writeUInt32BE(box.trackId||0,8),writeReserved(buf,12,16),buf.writeUInt32BE(box.duration||0,16),writeReserved(buf,20,28),buf.writeUInt16BE(box.layer||0,28),buf.writeUInt16BE(box.alternateGroup||0,30),buf.writeUInt16BE(box.volume||0,32),writeMatrix(box.matrix,buf,36),buf.writeUInt32BE(box.trackWidth||0,72),buf.writeUInt32BE(box.trackHeight||0,76),exports.tkhd.encode.bytes=80,buf},exports.tkhd.decode=function(buf,offset){return buf=buf.slice(offset),{ctime:readDate(buf,0),mtime:readDate(buf,4),trackId:buf.readUInt32BE(8),duration:buf.readUInt32BE(16),layer:buf.readUInt16BE(28),alternateGroup:buf.readUInt16BE(30),volume:buf.readUInt16BE(32),matrix:readMatrix(buf.slice(36,72)),trackWidth:buf.readUInt32BE(72),trackHeight:buf.readUInt32BE(76)}},exports.tkhd.encodingLength=function(box){return 80},exports.mdhd={},exports.mdhd.encode=function(box,buf,offset){return 1===box.version?(buf=buf?buf.slice(offset):Buffer.alloc(32),writeDate64(box.ctime||new Date,buf,0),writeDate64(box.mtime||new Date,buf,8),buf.writeUInt32BE(box.timeScale||0,16),buf.writeUIntBE(box.duration||0,20,6),buf.writeUInt16BE(box.language||0,28),buf.writeUInt16BE(box.quality||0,30),exports.mdhd.encode.bytes=32,buf):(buf=buf?buf.slice(offset):Buffer.alloc(20),writeDate(box.ctime||new Date,buf,0),writeDate(box.mtime||new Date,buf,4),buf.writeUInt32BE(box.timeScale||0,8),buf.writeUInt32BE(box.duration||0,12),buf.writeUInt16BE(box.language||0,16),buf.writeUInt16BE(box.quality||0,18),exports.mdhd.encode.bytes=20,buf)},exports.mdhd.decode=function(buf,offset,end){buf=buf.slice(offset);var version1=20!=end-offset;return version1?{ctime:readDate64(buf,0),mtime:readDate64(buf,8),timeScale:buf.readUInt32BE(16),duration:buf.readUIntBE(20,6),language:buf.readUInt16BE(28),quality:buf.readUInt16BE(30)}:{ctime:readDate(buf,0),mtime:readDate(buf,4),timeScale:buf.readUInt32BE(8),duration:buf.readUInt32BE(12),language:buf.readUInt16BE(16),quality:buf.readUInt16BE(18)}},exports.mdhd.encodingLength=function(box){return 1===box.version?32:20},exports.vmhd={},exports.vmhd.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(8),buf.writeUInt16BE(box.graphicsMode||0,0);var opcolor=box.opcolor||[0,0,0];return buf.writeUInt16BE(opcolor[0],2),buf.writeUInt16BE(opcolor[1],4),buf.writeUInt16BE(opcolor[2],6),exports.vmhd.encode.bytes=8,buf},exports.vmhd.decode=function(buf,offset){return buf=buf.slice(offset),{graphicsMode:buf.readUInt16BE(0),opcolor:[buf.readUInt16BE(2),buf.readUInt16BE(4),buf.readUInt16BE(6)]}},exports.vmhd.encodingLength=function(box){return 8},exports.smhd={},exports.smhd.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(4),buf.writeUInt16BE(box.balance||0,0),writeReserved(buf,2,4),exports.smhd.encode.bytes=4,buf},exports.smhd.decode=function(buf,offset){return buf=buf.slice(offset),{balance:buf.readUInt16BE(0)}},exports.smhd.encodingLength=function(box){return 4},exports.stsd={},exports.stsd.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(exports.stsd.encodingLength(box));var entries=box.entries||[];buf.writeUInt32BE(entries.length,0);for(var ptr=4,i=0,entry;i<entries.length;i++)entry=entries[i],Box.encode(entry,buf,ptr),ptr+=Box.encode.bytes;return exports.stsd.encode.bytes=ptr,buf},exports.stsd.decode=function(buf,offset,end){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),ptr=4,i=0,entry;i<num;i++)entry=Box.decode(buf,ptr,end),entries[i]=entry,ptr+=entry.length;return{entries:entries}},exports.stsd.encodingLength=function(box){var totalSize=4;if(!box.entries)return totalSize;for(var i=0;i<box.entries.length;i++)totalSize+=Box.encodingLength(box.entries[i]);return totalSize},exports.avc1=exports.VisualSampleEntry={},exports.VisualSampleEntry.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(exports.VisualSampleEntry.encodingLength(box)),writeReserved(buf,0,6),buf.writeUInt16BE(box.dataReferenceIndex||0,6),writeReserved(buf,8,24),buf.writeUInt16BE(box.width||0,24),buf.writeUInt16BE(box.height||0,26),buf.writeUInt32BE(box.hResolution||4718592,28),buf.writeUInt32BE(box.vResolution||4718592,32),writeReserved(buf,36,40),buf.writeUInt16BE(box.frameCount||1,40);var compressorName=box.compressorName||"",nameLen=_Mathmin(compressorName.length,31);buf.writeUInt8(nameLen,42),buf.write(compressorName,43,nameLen,"utf8"),buf.writeUInt16BE(box.depth||24,74),buf.writeInt16BE(-1,76);var ptr=78,children=box.children||[];children.forEach(function(child){Box.encode(child,buf,ptr),ptr+=Box.encode.bytes}),exports.VisualSampleEntry.encode.bytes=ptr},exports.VisualSampleEntry.decode=function(buf,offset,end){buf=buf.slice(offset);for(var length=end-offset,nameLen=_Mathmin(buf.readUInt8(42),31),box={dataReferenceIndex:buf.readUInt16BE(6),width:buf.readUInt16BE(24),height:buf.readUInt16BE(26),hResolution:buf.readUInt32BE(28),vResolution:buf.readUInt32BE(32),frameCount:buf.readUInt16BE(40),compressorName:buf.toString("utf8",43,43+nameLen),depth:buf.readUInt16BE(74),children:[]},ptr=78;8<=length-ptr;){var child=Box.decode(buf,ptr,length);box.children.push(child),box[child.type]=child,ptr+=child.length}return box},exports.VisualSampleEntry.encodingLength=function(box){var len=78,children=box.children||[];return children.forEach(function(child){len+=Box.encodingLength(child)}),len},exports.avcC={},exports.avcC.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(box.buffer.length),box.buffer.copy(buf),exports.avcC.encode.bytes=box.buffer.length},exports.avcC.decode=function(buf,offset,end){return buf=buf.slice(offset,end),{mimeCodec:buf.toString("hex",1,4),buffer:Buffer.from(buf)}},exports.avcC.encodingLength=function(box){return box.buffer.length},exports.mp4a=exports.AudioSampleEntry={},exports.AudioSampleEntry.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(exports.AudioSampleEntry.encodingLength(box)),writeReserved(buf,0,6),buf.writeUInt16BE(box.dataReferenceIndex||0,6),writeReserved(buf,8,16),buf.writeUInt16BE(box.channelCount||2,16),buf.writeUInt16BE(box.sampleSize||16,18),writeReserved(buf,20,24),buf.writeUInt32BE(box.sampleRate||0,24);var ptr=28,children=box.children||[];children.forEach(function(child){Box.encode(child,buf,ptr),ptr+=Box.encode.bytes}),exports.AudioSampleEntry.encode.bytes=ptr},exports.AudioSampleEntry.decode=function(buf,offset,end){buf=buf.slice(offset,end);for(var length=end-offset,box={dataReferenceIndex:buf.readUInt16BE(6),channelCount:buf.readUInt16BE(16),sampleSize:buf.readUInt16BE(18),sampleRate:buf.readUInt32BE(24),children:[]},ptr=28;8<=length-ptr;){var child=Box.decode(buf,ptr,length);box.children.push(child),box[child.type]=child,ptr+=child.length}return box},exports.AudioSampleEntry.encodingLength=function(box){var len=28,children=box.children||[];return children.forEach(function(child){len+=Box.encodingLength(child)}),len},exports.esds={},exports.esds.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(box.buffer.length),box.buffer.copy(buf,0),exports.esds.encode.bytes=box.buffer.length},exports.esds.decode=function(buf,offset,end){buf=buf.slice(offset,end);var desc=Descriptor.Descriptor.decode(buf,0,buf.length),esd="ESDescriptor"===desc.tagName?desc:{},dcd=esd.DecoderConfigDescriptor||{},oti=dcd.oti||0,dsi=dcd.DecoderSpecificInfo,audioConfig=dsi?(248&dsi.buffer.readUInt8(0))>>3:0,mimeCodec=null;return oti&&(mimeCodec=oti.toString(16),audioConfig&&(mimeCodec+="."+audioConfig)),{mimeCodec:mimeCodec,buffer:Buffer.from(buf.slice(0))}},exports.esds.encodingLength=function(box){return box.buffer.length},exports.stsz={},exports.stsz.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.stsz.encodingLength(box)),buf.writeUInt32BE(0,0),buf.writeUInt32BE(entries.length,4);for(var i=0;i<entries.length;i++)buf.writeUInt32BE(entries[i],4*i+8);return exports.stsz.encode.bytes=8+4*entries.length,buf},exports.stsz.decode=function(buf,offset){buf=buf.slice(offset);for(var size=buf.readUInt32BE(0),num=buf.readUInt32BE(4),entries=Array(num),i=0;i<num;i++)entries[i]=0===size?buf.readUInt32BE(4*i+8):size;return{entries:entries}},exports.stsz.encodingLength=function(box){return 8+4*box.entries.length},exports.stss=exports.stco={},exports.stco.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.stco.encodingLength(box)),buf.writeUInt32BE(entries.length,0);for(var i=0;i<entries.length;i++)buf.writeUInt32BE(entries[i],4*i+4);return exports.stco.encode.bytes=4+4*entries.length,buf},exports.stco.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),i=0;i<num;i++)entries[i]=buf.readUInt32BE(4*i+4);return{entries:entries}},exports.stco.encodingLength=function(box){return 4+4*box.entries.length},exports.co64={},exports.co64.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.co64.encodingLength(box)),buf.writeUInt32BE(entries.length,0);for(var i=0;i<entries.length;i++)uint64be.encode(entries[i],buf,8*i+4);return exports.co64.encode.bytes=4+8*entries.length,buf},exports.co64.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),i=0;i<num;i++)entries[i]=uint64be.decode(buf,8*i+4);return{entries:entries}},exports.co64.encodingLength=function(box){return 4+8*box.entries.length},exports.stts={},exports.stts.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.stts.encodingLength(box)),buf.writeUInt32BE(entries.length,0);for(var i=0,ptr;i<entries.length;i++)ptr=8*i+4,buf.writeUInt32BE(entries[i].count||0,ptr),buf.writeUInt32BE(entries[i].duration||0,ptr+4);return exports.stts.encode.bytes=4+8*box.entries.length,buf},exports.stts.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),i=0,ptr;i<num;i++)ptr=8*i+4,entries[i]={count:buf.readUInt32BE(ptr),duration:buf.readUInt32BE(ptr+4)};return{entries:entries}},exports.stts.encodingLength=function(box){return 4+8*box.entries.length},exports.ctts={},exports.ctts.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.ctts.encodingLength(box)),buf.writeUInt32BE(entries.length,0);for(var i=0,ptr;i<entries.length;i++)ptr=8*i+4,buf.writeUInt32BE(entries[i].count||0,ptr),buf.writeUInt32BE(entries[i].compositionOffset||0,ptr+4);return exports.ctts.encode.bytes=4+8*entries.length,buf},exports.ctts.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),i=0,ptr;i<num;i++)ptr=8*i+4,entries[i]={count:buf.readUInt32BE(ptr),compositionOffset:buf.readInt32BE(ptr+4)};return{entries:entries}},exports.ctts.encodingLength=function(box){return 4+8*box.entries.length},exports.stsc={},exports.stsc.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.stsc.encodingLength(box)),buf.writeUInt32BE(entries.length,0);for(var i=0,ptr;i<entries.length;i++)ptr=12*i+4,buf.writeUInt32BE(entries[i].firstChunk||0,ptr),buf.writeUInt32BE(entries[i].samplesPerChunk||0,ptr+4),buf.writeUInt32BE(entries[i].sampleDescriptionId||0,ptr+8);return exports.stsc.encode.bytes=4+12*entries.length,buf},exports.stsc.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),i=0,ptr;i<num;i++)ptr=12*i+4,entries[i]={firstChunk:buf.readUInt32BE(ptr),samplesPerChunk:buf.readUInt32BE(ptr+4),sampleDescriptionId:buf.readUInt32BE(ptr+8)};return{entries:entries}},exports.stsc.encodingLength=function(box){return 4+12*box.entries.length},exports.dref={},exports.dref.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(exports.dref.encodingLength(box));var entries=box.entries||[];buf.writeUInt32BE(entries.length,0);for(var ptr=4,i=0;i<entries.length;i++){var entry=entries[i],size=(entry.buf?entry.buf.length:0)+4+4;buf.writeUInt32BE(size,ptr),ptr+=4,buf.write(entry.type,ptr,4,"ascii"),ptr+=4,entry.buf&&(entry.buf.copy(buf,ptr),ptr+=entry.buf.length)}return exports.dref.encode.bytes=ptr,buf},exports.dref.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),ptr=4,i=0;i<num;i++){var size=buf.readUInt32BE(ptr),type=buf.toString("ascii",ptr+4,ptr+8),tmp=buf.slice(ptr+8,ptr+size);ptr+=size,entries[i]={type:type,buf:tmp}}return{entries:entries}},exports.dref.encodingLength=function(box){var totalSize=4;if(!box.entries)return totalSize;for(var i=0,buf;i<box.entries.length;i++)buf=box.entries[i].buf,totalSize+=(buf?buf.length:0)+4+4;return totalSize},exports.elst={},exports.elst.encode=function(box,buf,offset){var entries=box.entries||[];buf=buf?buf.slice(offset):Buffer.alloc(exports.elst.encodingLength(box)),buf.writeUInt32BE(entries.length,0);for(var i=0,ptr;i<entries.length;i++)ptr=12*i+4,buf.writeUInt32BE(entries[i].trackDuration||0,ptr),buf.writeUInt32BE(entries[i].mediaTime||0,ptr+4),writeFixed32(entries[i].mediaRate||0,buf,ptr+8);return exports.elst.encode.bytes=4+12*entries.length,buf},exports.elst.decode=function(buf,offset){buf=buf.slice(offset);for(var num=buf.readUInt32BE(0),entries=Array(num),i=0,ptr;i<num;i++)ptr=12*i+4,entries[i]={trackDuration:buf.readUInt32BE(ptr),mediaTime:buf.readInt32BE(ptr+4),mediaRate:readFixed32(buf,ptr+8)};return{entries:entries}},exports.elst.encodingLength=function(box){return 4+12*box.entries.length},exports.hdlr={},exports.hdlr.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(exports.hdlr.encodingLength(box));var len=21+(box.name||"").length;return buf.fill(0,0,len),buf.write(box.handlerType||"",4,4,"ascii"),writeString(box.name||"",buf,20),exports.hdlr.encode.bytes=len,buf},exports.hdlr.decode=function(buf,offset,end){return buf=buf.slice(offset),{handlerType:buf.toString("ascii",4,8),name:readString(buf,20,end)}},exports.hdlr.encodingLength=function(box){return 21+(box.name||"").length},exports.mehd={},exports.mehd.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(4),buf.writeUInt32BE(box.fragmentDuration||0,0),exports.mehd.encode.bytes=4,buf},exports.mehd.decode=function(buf,offset){return buf=buf.slice(offset),{fragmentDuration:buf.readUInt32BE(0)}},exports.mehd.encodingLength=function(box){return 4},exports.trex={},exports.trex.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(20),buf.writeUInt32BE(box.trackId||0,0),buf.writeUInt32BE(box.defaultSampleDescriptionIndex||0,4),buf.writeUInt32BE(box.defaultSampleDuration||0,8),buf.writeUInt32BE(box.defaultSampleSize||0,12),buf.writeUInt32BE(box.defaultSampleFlags||0,16),exports.trex.encode.bytes=20,buf},exports.trex.decode=function(buf,offset){return buf=buf.slice(offset),{trackId:buf.readUInt32BE(0),defaultSampleDescriptionIndex:buf.readUInt32BE(4),defaultSampleDuration:buf.readUInt32BE(8),defaultSampleSize:buf.readUInt32BE(12),defaultSampleFlags:buf.readUInt32BE(16)}},exports.trex.encodingLength=function(box){return 20},exports.mfhd={},exports.mfhd.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(4),buf.writeUInt32BE(box.sequenceNumber||0,0),exports.mfhd.encode.bytes=4,buf},exports.mfhd.decode=function(buf,offset){return{sequenceNumber:buf.readUInt32BE(0)}},exports.mfhd.encodingLength=function(box){return 4},exports.tfhd={},exports.tfhd.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(4),buf.writeUInt32BE(box.trackId,0),exports.tfhd.encode.bytes=4,buf},exports.tfhd.decode=function(buf,offset){},exports.tfhd.encodingLength=function(box){return 4},exports.tfdt={},exports.tfdt.encode=function(box,buf,offset){return buf=buf?buf.slice(offset):Buffer.alloc(4),buf.writeUInt32BE(box.baseMediaDecodeTime||0,0),exports.tfdt.encode.bytes=4,buf},exports.tfdt.decode=function(buf,offset){},exports.tfdt.encodingLength=function(box){return 4},exports.trun={},exports.trun.encode=function(box,buf,offset){buf=buf?buf.slice(offset):Buffer.alloc(8+16*box.entries.length),buf.writeUInt32BE(box.entries.length,0),buf.writeInt32BE(box.dataOffset,4);for(var ptr=8,i=0,entry;i<box.entries.length;i++)entry=box.entries[i],buf.writeUInt32BE(entry.sampleDuration,ptr),ptr+=4,buf.writeUInt32BE(entry.sampleSize,ptr),ptr+=4,buf.writeUInt32BE(entry.sampleFlags,ptr),ptr+=4,0===(box.version||0)?buf.writeUInt32BE(entry.sampleCompositionTimeOffset,ptr):buf.writeInt32BE(entry.sampleCompositionTimeOffset,ptr),ptr+=4;exports.trun.encode.bytes=ptr},exports.trun.decode=function(buf,offset){},exports.trun.encodingLength=function(box){return 8+16*box.entries.length},exports.mdat={},exports.mdat.encode=function(box,buf,offset){box.buffer?(box.buffer.copy(buf,offset),exports.mdat.encode.bytes=box.buffer.length):exports.mdat.encode.bytes=exports.mdat.encodingLength(box)},exports.mdat.decode=function(buf,start,end){return{buffer:Buffer.from(buf.slice(start,end))}},exports.mdat.encodingLength=function(box){return box.buffer?box.buffer.length:box.contentLength}}).call(this)}).call(this,require("buffer").Buffer)},{"./descriptor":223,"./index":224,buffer:101,uint64be:329}],223:[function(require,module,exports){(function(Buffer){(function(){var tagToName={3:"ESDescriptor",4:"DecoderConfigDescriptor",5:"DecoderSpecificInfo",6:"SLConfigDescriptor"};exports.Descriptor={},exports.Descriptor.decode=function(buf,start,end){var tag=buf.readUInt8(start),ptr=start+1,len=0,lenByte;do lenByte=buf.readUInt8(ptr++),len=len<<7|127&lenByte;while(128&lenByte);var tagName=tagToName[tag],obj;return obj=exports[tagName]?exports[tagName].decode(buf,ptr,end):{buffer:Buffer.from(buf.slice(ptr,ptr+len))},obj.tag=tag,obj.tagName=tagName,obj.length=ptr-start+len,obj.contentsLen=len,obj},exports.DescriptorArray={},exports.DescriptorArray.decode=function(buf,start,end){for(var ptr=start,obj={};ptr+2<=end;){var descriptor=exports.Descriptor.decode(buf,ptr,end);ptr+=descriptor.length;var tagName=tagToName[descriptor.tag]||"Descriptor"+descriptor.tag;obj[tagName]=descriptor}return obj},exports.ESDescriptor={},exports.ESDescriptor.decode=function(buf,start,end){var flags=buf.readUInt8(start+2),ptr=start+3;if(128&flags&&(ptr+=2),64&flags){var len=buf.readUInt8(ptr);ptr+=len+1}return 32&flags&&(ptr+=2),exports.DescriptorArray.decode(buf,ptr,end)},exports.DecoderConfigDescriptor={},exports.DecoderConfigDescriptor.decode=function(buf,start,end){var oti=buf.readUInt8(start),obj=exports.DescriptorArray.decode(buf,start+13,end);return obj.oti=oti,obj}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:101}],224:[function(require,module,exports){(function(Buffer){(function(){var uint64be=require("uint64be"),boxes=require("./boxes"),UINT32_MAX=4294967295,Box=exports,containers=exports.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"]};Box.encode=function(obj,buffer,offset){return Box.encodingLength(obj),offset=offset||0,buffer=buffer||Buffer.alloc(obj.length),Box._encode(obj,buffer,offset)},Box._encode=function(obj,buffer,offset){var type=obj.type,len=obj.length;len>UINT32_MAX&&(len=1),buffer.writeUInt32BE(len,offset),buffer.write(obj.type,offset+4,4,"ascii");var ptr=offset+8;if(1===len&&(uint64be.encode(obj.length,buffer,ptr),ptr+=8),boxes.fullBoxes[type]&&(buffer.writeUInt32BE(obj.flags||0,ptr),buffer.writeUInt8(obj.version||0,ptr),ptr+=4),containers[type]){var contents=containers[type];contents.forEach(function(childType){if(5===childType.length){var entry=obj[childType]||[];childType=childType.substr(0,4),entry.forEach(function(child){Box._encode(child,buffer,ptr),ptr+=Box.encode.bytes})}else obj[childType]&&(Box._encode(obj[childType],buffer,ptr),ptr+=Box.encode.bytes)}),obj.otherBoxes&&obj.otherBoxes.forEach(function(child){Box._encode(child,buffer,ptr),ptr+=Box.encode.bytes})}else if(boxes[type]){var encode=boxes[type].encode;encode(obj,buffer,ptr),ptr+=encode.bytes}else if(obj.buffer){var buf=obj.buffer;buf.copy(buffer,ptr),ptr+=obj.buffer.length}else throw new Error("Either `type` must be set to a known type (not'"+type+"') or `buffer` must be set");return Box.encode.bytes=ptr-offset,buffer},Box.readHeaders=function(buffer,start,end){if(start=start||0,end=end||buffer.length,8>end-start)return 8;var len=buffer.readUInt32BE(start),type=buffer.toString("ascii",start+4,start+8),ptr=start+8;if(1===len){if(16>end-start)return 16;len=uint64be.decode(buffer,ptr),ptr+=8}var version,flags;return boxes.fullBoxes[type]&&(version=buffer.readUInt8(ptr),flags=16777215&buffer.readUInt32BE(ptr),ptr+=4),{length:len,headersLen:ptr-start,contentLen:len-(ptr-start),type:type,version:version,flags:flags}},Box.decode=function(buffer,start,end){start=start||0,end=end||buffer.length;var headers=Box.readHeaders(buffer,start,end);if(!headers||headers.length>end-start)throw new Error("Data too short");return Box.decodeWithoutHeaders(headers,buffer,start+headers.headersLen,start+headers.length)},Box.decodeWithoutHeaders=function(headers,buffer,start,end){start=start||0,end=end||buffer.length;var type=headers.type,obj={};if(containers[type]){obj.otherBoxes=[];for(var contents=containers[type],ptr=start,child;8<=end-ptr;)if(child=Box.decode(buffer,ptr,end),ptr+=child.length,0<=contents.indexOf(child.type))obj[child.type]=child;else if(0<=contents.indexOf(child.type+"s")){var childType=child.type+"s",entry=obj[childType]=obj[childType]||[];entry.push(child)}else obj.otherBoxes.push(child)}else if(boxes[type]){var decode=boxes[type].decode;obj=decode(buffer,start,end)}else obj.buffer=Buffer.from(buffer.slice(start,end));return obj.length=headers.length,obj.contentLen=headers.contentLen,obj.type=headers.type,obj.version=headers.version,obj.flags=headers.flags,obj},Box.encodingLength=function(obj){var type=obj.type,len=8;if(boxes.fullBoxes[type]&&(len+=4),containers[type]){var contents=containers[type];contents.forEach(function(childType){if(5===childType.length){var entry=obj[childType]||[];childType=childType.substr(0,4),entry.forEach(function(child){child.type=childType,len+=Box.encodingLength(child)})}else if(obj[childType]){var child=obj[childType];child.type=childType,len+=Box.encodingLength(child)}}),obj.otherBoxes&&obj.otherBoxes.forEach(function(child){len+=Box.encodingLength(child)})}else if(boxes[type])len+=boxes[type].encodingLength(obj);else if(obj.buffer)len+=obj.buffer.length;else throw new Error("Either `type` must be set to a known type (not'"+type+"') or `buffer` must be set");return len>UINT32_MAX&&(len+=8),obj.length=len,len}}).call(this)}).call(this,require("buffer").Buffer)},{"./boxes":222,buffer:101,uint64be:329}],225:[function(require,module,exports){(function(Buffer){(function(){var stream=require("readable-stream"),nextEvent=require("next-event"),Box=require("mp4-box-encoding"),EMPTY=Buffer.alloc(0);class Decoder extends stream.Writable{constructor(opts){super(opts),this.destroyed=!1,this._pending=0,this._missing=0,this._ignoreEmpty=!1,this._buf=null,this._str=null,this._cb=null,this._ondrain=null,this._writeBuffer=null,this._writeCb=null,this._ondrain=null,this._kick()}destroy(err){this.destroyed||(this.destroyed=!0,err&&this.emit("error",err),this.emit("close"))}_write(data,enc,next){if(!this.destroyed){for(var drained=!this._str||!this._str._writableState.needDrain;data.length&&!this.destroyed;){if(!this._missing&&!this._ignoreEmpty)return this._writeBuffer=data,void(this._writeCb=next);var consumed=data.length<this._missing?data.length:this._missing;if(this._buf?data.copy(this._buf,this._buf.length-this._missing):this._str&&(drained=this._str.write(consumed===data.length?data:data.slice(0,consumed))),this._missing-=consumed,!this._missing){var buf=this._buf,cb=this._cb,stream=this._str;this._buf=this._cb=this._str=this._ondrain=null,drained=!0,this._ignoreEmpty=!1,stream&&stream.end(),cb&&cb(buf)}data=consumed===data.length?EMPTY:data.slice(consumed)}return this._pending&&!this._missing?(this._writeBuffer=data,void(this._writeCb=next)):void(drained?next():this._ondrain(next))}}_buffer(size,cb){this._missing=size,this._buf=Buffer.alloc(size),this._cb=cb}_stream(size,cb){return this._missing=size,this._str=new MediaData(this),this._ondrain=nextEvent(this._str,"drain"),this._pending++,this._str.on("end",()=>{this._pending--,this._kick()}),this._cb=cb,this._str}_readBox(){const bufferHeaders=(len,buf)=>{this._buffer(len,additionalBuf=>{buf=buf?Buffer.concat([buf,additionalBuf]):additionalBuf;var headers=Box.readHeaders(buf);"number"==typeof headers?bufferHeaders(headers-buf.length,buf):(this._pending++,this._headers=headers,this.emit("box",headers))})};bufferHeaders(8)}stream(){if(!this._headers)throw new Error("this function can only be called once after 'box' is emitted");var headers=this._headers;return this._headers=null,this._stream(headers.contentLen,()=>{this._pending--,this._kick()})}decode(cb){if(!this._headers)throw new Error("this function can only be called once after 'box' is emitted");var headers=this._headers;this._headers=null,this._buffer(headers.contentLen,buf=>{var box=Box.decodeWithoutHeaders(headers,buf);cb(box),this._pending--,this._kick()})}ignore(){if(!this._headers)throw new Error("this function can only be called once after 'box' is emitted");var headers=this._headers;this._headers=null,this._missing=headers.contentLen,0===this._missing&&(this._ignoreEmpty=!0),this._cb=()=>{this._pending--,this._kick()}}_kick(){if(!this._pending&&(this._buf||this._str||this._readBox(),this._writeBuffer)){var next=this._writeCb,buffer=this._writeBuffer;this._writeBuffer=null,this._writeCb=null,this._write(buffer,null,next)}}}class MediaData extends stream.PassThrough{constructor(parent){super(),this._parent=parent,this.destroyed=!1}destroy(err){this.destroyed||(this.destroyed=!0,this._parent.destroy(err),err&&this.emit("error",err),this.emit("close"))}}module.exports=Decoder}).call(this)}).call(this,require("buffer").Buffer)},{buffer:101,"mp4-box-encoding":224,"next-event":229,"readable-stream":281}],226:[function(require,module,exports){(function(Buffer){(function(){function noop(){}var stream=require("readable-stream"),Box=require("mp4-box-encoding"),queueMicrotask=require("queue-microtask");class Encoder extends stream.Readable{constructor(opts){super(opts),this.destroyed=!1,this._finalized=!1,this._reading=!1,this._stream=null,this._drain=null,this._want=!1,this._onreadable=()=>{this._want&&(this._want=!1,this._read())},this._onend=()=>{this._stream=null}}mdat(size,cb){this.mediaData(size,cb)}mediaData(size,cb){var stream=new MediaData(this);return this.box({type:"mdat",contentLength:size,encodeBufferLen:8,stream:stream},cb),stream}box(box,cb){if(cb||(cb=noop),this.destroyed)return cb(new Error("Encoder is destroyed"));var buf;if(box.encodeBufferLen&&(buf=Buffer.alloc(box.encodeBufferLen)),box.stream)box.buffer=null,buf=Box.encode(box,buf),this.push(buf),this._stream=box.stream,this._stream.on("readable",this._onreadable),this._stream.on("end",this._onend),this._stream.on("end",cb),this._forward();else{buf=Box.encode(box,buf);var drained=this.push(buf);if(drained)return queueMicrotask(cb);this._drain=cb}}destroy(err){if(!this.destroyed){if(this.destroyed=!0,this._stream&&this._stream.destroy&&this._stream.destroy(),this._stream=null,this._drain){var cb=this._drain;this._drain=null,cb(err)}err&&this.emit("error",err),this.emit("close")}}finalize(){this._finalized=!0,this._stream||this._drain||this.push(null)}_forward(){if(this._stream)for(;!this.destroyed;){var buf=this._stream.read();if(!buf)return void(this._want=!!this._stream);if(!this.push(buf))return}}_read(){if(!(this._reading||this.destroyed)){if(this._reading=!0,this._stream&&this._forward(),this._drain){var drain=this._drain;this._drain=null,drain()}this._reading=!1,this._finalized&&this.push(null)}}}class MediaData extends stream.PassThrough{constructor(parent){super(),this._parent=parent,this.destroyed=!1}destroy(err){this.destroyed||(this.destroyed=!0,this._parent.destroy(err),err&&this.emit("error",err),this.emit("close"))}}module.exports=Encoder}).call(this)}).call(this,require("buffer").Buffer)},{buffer:101,"mp4-box-encoding":224,"queue-microtask":259,"readable-stream":281}],227:[function(require,module,exports){const Decoder=require("./decode"),Encoder=require("./encode");exports.decode=opts=>new Decoder(opts),exports.encode=opts=>new Encoder(opts)},{"./decode":225,"./encode":226}],228:[function(require,module,exports){function parse(str){if(str+="",!(100<str.length)){var match=/^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(str);if(match){var n=parseFloat(match[1]),type=(match[2]||"ms").toLowerCase();return"years"===type||"year"===type||"yrs"===type||"yr"===type||"y"===type?31557600000*n:"weeks"===type||"week"===type||"w"===type?604800000*n:"days"===type||"day"===type||"d"===type?86400000*n:"hours"===type||"hour"===type||"hrs"===type||"hr"===type||"h"===type?3600000*n:"minutes"===type||"minute"===type||"mins"===type||"min"===type||"m"===type?60000*n:"seconds"===type||"second"===type||"secs"===type||"sec"===type||"s"===type?1000*n:"milliseconds"===type||"millisecond"===type||"msecs"===type||"msec"===type||"ms"===type?n:void 0}}}function fmtShort(ms){var msAbs=_Mathabs(ms);return 86400000<=msAbs?_Mathround(ms/86400000)+"d":3600000<=msAbs?_Mathround(ms/3600000)+"h":60000<=msAbs?_Mathround(ms/60000)+"m":1000<=msAbs?_Mathround(ms/1000)+"s":ms+"ms"}function fmtLong(ms){var msAbs=_Mathabs(ms);return 86400000<=msAbs?plural(ms,msAbs,86400000,"day"):3600000<=msAbs?plural(ms,msAbs,3600000,"hour"):60000<=msAbs?plural(ms,msAbs,60000,"minute"):1000<=msAbs?plural(ms,msAbs,1000,"second"):ms+" ms"}function plural(ms,msAbs,n,name){var isPlural=msAbs>=1.5*n;return _Mathround(ms/n)+" "+name+(isPlural?"s":"")}var s=1e3,m=60000,h=60*m,d=24*h,w=7*d,y=365.25*d;module.exports=function(val,options){options=options||{};var type=typeof val;if("string"==type&&0<val.length)return parse(val);if("number"===type&&isFinite(val))return options.long?fmtLong(val):fmtShort(val);throw new Error("val is not a non-empty string or a valid number. val="+JSON.stringify(val))}},{}],229:[function(require,module,exports){function nextEvent(emitter,name){var next=null;return emitter.on(name,function(data){if(next){var fn=next;next=null,fn(data)}}),function(once){next=once}}module.exports=nextEvent},{}],230:[function(require,module,exports){/* object-assign (c) Sindre Sorhus @license MIT @@ -50,4 +50,4 @@ object-assign * Copyright(c) 2012-2014 TJ Holowaychuk * Copyright(c) 2015-2016 Douglas Christopher Wilson * MIT Licensed - */"use strict";function rangeParser(size,str,options){if("string"!=typeof str)throw new TypeError("argument str must be a string");var index=str.indexOf("=");if(-1===index)return-2;var arr=str.slice(index+1).split(","),ranges=[];ranges.type=str.slice(0,index);for(var i=0;i<arr.length;i++){var range=arr[i].split("-"),start=parseInt(range[0],10),end=parseInt(range[1],10);(isNaN(start)?(start=size-end,end=size-1):isNaN(end)&&(end=size-1),end>size-1&&(end=size-1),!(isNaN(start)||isNaN(end)||start>end||0>start))&&ranges.push({start:start,end:end})}return 1>ranges.length?-1:options&&options.combine?combineRanges(ranges):ranges}function combineRanges(ranges){for(var ordered=ranges.map(mapWithIndex).sort(sortByRangeStart),j=0,i=1;i<ordered.length;i++){var range=ordered[i],current=ordered[j];range.start>current.end+1?ordered[++j]=range:range.end>current.end&&(current.end=range.end,current.index=_Mathmin(current.index,range.index))}ordered.length=j+1;var combined=ordered.sort(sortByRangeIndex).map(mapWithoutIndex);return combined.type=ranges.type,combined}function mapWithIndex(range,index){return{start:range.start,end:range.end,index:index}}function mapWithoutIndex(range){return{start:range.start,end:range.end}}function sortByRangeIndex(a,b){return a.index-b.index}function sortByRangeStart(a,b){return a.start-b.start}module.exports=rangeParser},{}],265:[function(require,module,exports){const{Writable,PassThrough}=require("readable-stream");class RangeSliceStream extends Writable{constructor(offset,opts={}){super(opts),this.destroyed=!1,this._queue=[],this._position=offset||0,this._cb=null,this._buffer=null,this._out=null}_write(chunk,encoding,cb){let drained=!0;for(;!0;){if(this.destroyed)return;if(0===this._queue.length)return this._buffer=chunk,void(this._cb=cb);this._buffer=null;var currRange=this._queue[0];const writeStart=_Mathmax(currRange.start-this._position,0),writeEnd=currRange.end-this._position;if(writeStart>=chunk.length)return this._position+=chunk.length,cb(null);let toWrite;if(writeEnd>chunk.length){this._position+=chunk.length,toWrite=0===writeStart?chunk:chunk.slice(writeStart),drained=currRange.stream.write(toWrite)&&drained;break}this._position+=writeEnd,toWrite=0===writeStart&&writeEnd===chunk.length?chunk:chunk.slice(writeStart,writeEnd),drained=currRange.stream.write(toWrite)&&drained,currRange.last&&currRange.stream.end(),chunk=chunk.slice(writeEnd),this._queue.shift()}drained?cb(null):currRange.stream.once("drain",cb.bind(null,null))}slice(ranges){if(this.destroyed)return null;Array.isArray(ranges)||(ranges=[ranges]);const str=new PassThrough;return ranges.forEach((range,i)=>{this._queue.push({start:range.start,end:range.end,stream:str,last:i===ranges.length-1})}),this._buffer&&this._write(this._buffer,null,this._cb),str}destroy(err){this.destroyed||(this.destroyed=!0,err&&this.emit("error",err))}}module.exports=RangeSliceStream},{"readable-stream":281}],266:[function(require,module,exports){"use strict";function isInteger(n){return parseInt(n,10)===n}function createRC4(N){function identityPermutation(){for(var s=Array(N),i=0;i<N;i++)s[i]=i;return s}function seed(key){if(void 0===key){key=Array(N);for(var k=0;k<N;k++)key[k]=_Mathfloor(Math.random()*N)}else if("string"==typeof key)key=""+key,key=key.split("").map(function(c){return c.charCodeAt(0)%N});else if(!Array.isArray(key))throw new TypeError("invalid seed key specified");else if(!key.every(function(v){return"number"==typeof v&&v===(0|v)}))throw new TypeError("invalid seed key specified: not array of integers");for(var keylen=key.length,s=identityPermutation(),j=0,i=0;i<N;i++){j=(j+s[i]+key[i%keylen])%N;var tmp=s[i];s[i]=s[j],s[j]=tmp}return s}function RC4(key){this.s=seed(key),this.i=0,this.j=0}return RC4.prototype.randomNative=function(){this.i=(this.i+1)%N,this.j=(this.j+this.s[this.i])%N;var tmp=this.s[this.i];this.s[this.i]=this.s[this.j],this.s[this.j]=tmp;var k=this.s[(this.s[this.i]+this.s[this.j])%N];return k},RC4.prototype.randomUInt32=function(){var a=this.randomByte(),b=this.randomByte(),c=this.randomByte(),d=this.randomByte();return 256*(256*(256*a+b)+c)+d},RC4.prototype.randomFloat=function(){return this.randomUInt32()/4294967296},RC4.prototype.random=function(){var a,b;if(1===arguments.length)a=0,b=arguments[0];else if(2===arguments.length)a=arguments[0],b=arguments[1];else throw new TypeError("random takes one or two integer arguments");if(!isInteger(a)||!isInteger(b))throw new TypeError("random takes one or two integer arguments");return a+this.randomUInt32()%(b-a+1)},RC4.prototype.currentState=function(){return{i:this.i,j:this.j,s:this.s.slice()}},RC4.prototype.setState=function(state){var s=state.s,i=state.i,j=state.j;if(!(i===(0|i)&&0<=i&&i<N))throw new Error("state.i should be integer [0, "+(N-1)+"]");if(!(j===(0|j)&&0<=j&&j<N))throw new Error("state.j should be integer [0, "+(N-1)+"]");if(!Array.isArray(s)||s.length!==N)throw new Error("state should be array of length "+N);for(var k=0;k<N;k++)if(-1===s.indexOf(k))throw new Error("state should be permutation of 0.."+(N-1)+": "+k+" is missing");this.i=i,this.j=j,this.s=s.slice()},RC4}function toHex(n){return 10>n?_StringfromCharCode(48+n):_StringfromCharCode(97+n-10)}function fromHex(c){return parseInt(c,16)}var RC4=createRC4(256);RC4.prototype.randomByte=RC4.prototype.randomNative;var RC4small=createRC4(16);RC4small.prototype.randomByte=function(){var a=this.randomNative(),b=this.randomNative();return 16*a+b};var ordA=97,ord0=48;RC4small.prototype.currentStateString=function(){var state=this.currentState(),i=toHex(state.i),j=toHex(state.j),res=i+j+state.s.map(toHex).join("");return res},RC4small.prototype.setStateString=function(stateString){if(!stateString.match(/^[0-9a-f]{18}$/))throw new TypeError("RC4small stateString should be 18 hex character string");var i=fromHex(stateString[0]),j=fromHex(stateString[1]),s=stateString.split("").slice(2).map(fromHex);this.setState({i:i,j:j,s:s})},RC4.RC4small=RC4small,module.exports=RC4},{}],267:[function(require,module,exports){"use strict";function _inheritsLoose(subClass,superClass){subClass.prototype=Object.create(superClass.prototype),subClass.prototype.constructor=subClass,subClass.__proto__=superClass}function createErrorType(code,message,Base){function getMessage(arg1,arg2,arg3){return"string"==typeof message?message:message(arg1,arg2,arg3)}Base||(Base=Error);var NodeError=function(_Base){function NodeError(arg1,arg2,arg3){return _Base.call(this,getMessage(arg1,arg2,arg3))||this}return _inheritsLoose(NodeError,_Base),NodeError}(Base);NodeError.prototype.name=Base.name,NodeError.prototype.code=code,codes[code]=NodeError}function oneOf(expected,thing){if(Array.isArray(expected)){var len=expected.length;return expected=expected.map(function(i){return i+""}),2<len?"one of ".concat(thing," ").concat(expected.slice(0,len-1).join(", "),", or ")+expected[len-1]:2===len?"one of ".concat(thing," ").concat(expected[0]," or ").concat(expected[1]):"of ".concat(thing," ").concat(expected[0])}return"of ".concat(thing," ").concat(expected+"")}function startsWith(str,search,pos){return str.substr(!pos||0>pos?0:+pos,search.length)===search}function endsWith(str,search,this_len){return(void 0===this_len||this_len>str.length)&&(this_len=str.length),str.substring(this_len-search.length,this_len)===search}function includes(str,search,start){return"number"!=typeof start&&(start=0),!(start+search.length>str.length)&&-1!==str.indexOf(search,start)}var codes={};createErrorType("ERR_INVALID_OPT_VALUE",function(name,value){return"The value \""+value+"\" is invalid for option \""+name+"\""},TypeError),createErrorType("ERR_INVALID_ARG_TYPE",function(name,expected,actual){var determiner;"string"==typeof expected&&startsWith(expected,"not ")?(determiner="must not be",expected=expected.replace(/^not /,"")):determiner="must be";var msg;if(endsWith(name," argument"))msg="The ".concat(name," ").concat(determiner," ").concat(oneOf(expected,"type"));else{var type=includes(name,".")?"property":"argument";msg="The \"".concat(name,"\" ").concat(type," ").concat(determiner," ").concat(oneOf(expected,"type"))}return msg+=". Received type ".concat(typeof actual),msg},TypeError),createErrorType("ERR_STREAM_PUSH_AFTER_EOF","stream.push() after EOF"),createErrorType("ERR_METHOD_NOT_IMPLEMENTED",function(name){return"The "+name+" method is not implemented"}),createErrorType("ERR_STREAM_PREMATURE_CLOSE","Premature close"),createErrorType("ERR_STREAM_DESTROYED",function(name){return"Cannot call "+name+" after a stream was destroyed"}),createErrorType("ERR_MULTIPLE_CALLBACK","Callback called multiple times"),createErrorType("ERR_STREAM_CANNOT_PIPE","Cannot pipe, not readable"),createErrorType("ERR_STREAM_WRITE_AFTER_END","write after end"),createErrorType("ERR_STREAM_NULL_VALUES","May not write null values to stream",TypeError),createErrorType("ERR_UNKNOWN_ENCODING",function(arg){return"Unknown encoding: "+arg},TypeError),createErrorType("ERR_STREAM_UNSHIFT_AFTER_END_EVENT","stream.unshift() after end event"),module.exports.codes=codes},{}],268:[function(require,module,exports){(function(process){(function(){"use strict";function Duplex(options){return this instanceof Duplex?void(Readable.call(this,options),Writable.call(this,options),this.allowHalfOpen=!0,options&&(!1===options.readable&&(this.readable=!1),!1===options.writable&&(this.writable=!1),!1===options.allowHalfOpen&&(this.allowHalfOpen=!1,this.once("end",onend)))):new Duplex(options)}function onend(){this._writableState.ended||process.nextTick(onEndNT,this)}function onEndNT(self){self.end()}var objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj)keys.push(key);return keys};module.exports=Duplex;var Readable=require("./_stream_readable"),Writable=require("./_stream_writable");require("inherits")(Duplex,Readable);for(var keys=objectKeys(Writable.prototype),v=0,method;v<keys.length;v++)method=keys[v],Duplex.prototype[method]||(Duplex.prototype[method]=Writable.prototype[method]);Object.defineProperty(Duplex.prototype,"writableHighWaterMark",{enumerable:!1,get:function get(){return this._writableState.highWaterMark}}),Object.defineProperty(Duplex.prototype,"writableBuffer",{enumerable:!1,get:function get(){return this._writableState&&this._writableState.getBuffer()}}),Object.defineProperty(Duplex.prototype,"writableLength",{enumerable:!1,get:function get(){return this._writableState.length}}),Object.defineProperty(Duplex.prototype,"destroyed",{enumerable:!1,get:function get(){return void 0!==this._readableState&&void 0!==this._writableState&&this._readableState.destroyed&&this._writableState.destroyed},set:function set(value){void 0===this._readableState||void 0===this._writableState||(this._readableState.destroyed=value,this._writableState.destroyed=value)}})}).call(this)}).call(this,require("_process"))},{"./_stream_readable":270,"./_stream_writable":272,_process:246,inherits:190}],269:[function(require,module,exports){"use strict";function PassThrough(options){return this instanceof PassThrough?void Transform.call(this,options):new PassThrough(options)}module.exports=PassThrough;var Transform=require("./_stream_transform");require("inherits")(PassThrough,Transform),PassThrough.prototype._transform=function(chunk,encoding,cb){cb(null,chunk)}},{"./_stream_transform":271,inherits:190}],270:[function(require,module,exports){(function(process,global){(function(){"use strict";function _uint8ArrayToBuffer(chunk){return Buffer.from(chunk)}function _isUint8Array(obj){return Buffer.isBuffer(obj)||obj instanceof OurUint8Array}function prependListener(emitter,event,fn){return"function"==typeof emitter.prependListener?emitter.prependListener(event,fn):void(emitter._events&&emitter._events[event]?Array.isArray(emitter._events[event])?emitter._events[event].unshift(fn):emitter._events[event]=[fn,emitter._events[event]]:emitter.on(event,fn))}function ReadableState(options,stream,isDuplex){Duplex=Duplex||require("./_stream_duplex"),options=options||{},"boolean"!=typeof isDuplex&&(isDuplex=stream instanceof Duplex),this.objectMode=!!options.objectMode,isDuplex&&(this.objectMode=this.objectMode||!!options.readableObjectMode),this.highWaterMark=getHighWaterMark(this,options,"readableHighWaterMark",isDuplex),this.buffer=new BufferList,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.paused=!0,this.emitClose=!1!==options.emitClose,this.autoDestroy=!!options.autoDestroy,this.destroyed=!1,this.defaultEncoding=options.defaultEncoding||"utf8",this.awaitDrain=0,this.readingMore=!1,this.decoder=null,this.encoding=null,options.encoding&&(!StringDecoder&&(StringDecoder=require("string_decoder/").StringDecoder),this.decoder=new StringDecoder(options.encoding),this.encoding=options.encoding)}function Readable(options){if(Duplex=Duplex||require("./_stream_duplex"),!(this instanceof Readable))return new Readable(options);var isDuplex=this instanceof Duplex;this._readableState=new ReadableState(options,this,isDuplex),this.readable=!0,options&&("function"==typeof options.read&&(this._read=options.read),"function"==typeof options.destroy&&(this._destroy=options.destroy)),Stream.call(this)}function readableAddChunk(stream,chunk,encoding,addToFront,skipChunkCheck){debug("readableAddChunk",chunk);var state=stream._readableState;if(null===chunk)state.reading=!1,onEofChunk(stream,state);else{var er;if(skipChunkCheck||(er=chunkInvalid(state,chunk)),er)errorOrDestroy(stream,er);else if(!(state.objectMode||chunk&&0<chunk.length))addToFront||(state.reading=!1,maybeReadMore(stream,state));else if("string"==typeof chunk||state.objectMode||Object.getPrototypeOf(chunk)===Buffer.prototype||(chunk=_uint8ArrayToBuffer(chunk)),addToFront)state.endEmitted?errorOrDestroy(stream,new ERR_STREAM_UNSHIFT_AFTER_END_EVENT):addChunk(stream,state,chunk,!0);else if(state.ended)errorOrDestroy(stream,new ERR_STREAM_PUSH_AFTER_EOF);else{if(state.destroyed)return!1;state.reading=!1,state.decoder&&!encoding?(chunk=state.decoder.write(chunk),state.objectMode||0!==chunk.length?addChunk(stream,state,chunk,!1):maybeReadMore(stream,state)):addChunk(stream,state,chunk,!1)}}return!state.ended&&(state.length<state.highWaterMark||0===state.length)}function addChunk(stream,state,chunk,addToFront){state.flowing&&0===state.length&&!state.sync?(state.awaitDrain=0,stream.emit("data",chunk)):(state.length+=state.objectMode?1:chunk.length,addToFront?state.buffer.unshift(chunk):state.buffer.push(chunk),state.needReadable&&emitReadable(stream)),maybeReadMore(stream,state)}function chunkInvalid(state,chunk){var er;return _isUint8Array(chunk)||"string"==typeof chunk||void 0===chunk||state.objectMode||(er=new ERR_INVALID_ARG_TYPE("chunk",["string","Buffer","Uint8Array"],chunk)),er}function computeNewHighWaterMark(n){return 1073741824<=n?n=1073741824:(n--,n|=n>>>1,n|=n>>>2,n|=n>>>4,n|=n>>>8,n|=n>>>16,n++),n}function howMuchToRead(n,state){return 0>=n||0===state.length&&state.ended?0:state.objectMode?1:n===n?(n>state.highWaterMark&&(state.highWaterMark=computeNewHighWaterMark(n)),n<=state.length?n:state.ended?state.length:(state.needReadable=!0,0)):state.flowing&&state.length?state.buffer.head.data.length:state.length}function onEofChunk(stream,state){if(debug("onEofChunk"),!state.ended){if(state.decoder){var chunk=state.decoder.end();chunk&&chunk.length&&(state.buffer.push(chunk),state.length+=state.objectMode?1:chunk.length)}state.ended=!0,state.sync?emitReadable(stream):(state.needReadable=!1,!state.emittedReadable&&(state.emittedReadable=!0,emitReadable_(stream)))}}function emitReadable(stream){var state=stream._readableState;debug("emitReadable",state.needReadable,state.emittedReadable),state.needReadable=!1,state.emittedReadable||(debug("emitReadable",state.flowing),state.emittedReadable=!0,process.nextTick(emitReadable_,stream))}function emitReadable_(stream){var state=stream._readableState;debug("emitReadable_",state.destroyed,state.length,state.ended),!state.destroyed&&(state.length||state.ended)&&(stream.emit("readable"),state.emittedReadable=!1),state.needReadable=!state.flowing&&!state.ended&&state.length<=state.highWaterMark,flow(stream)}function maybeReadMore(stream,state){state.readingMore||(state.readingMore=!0,process.nextTick(maybeReadMore_,stream,state))}function maybeReadMore_(stream,state){for(;!state.reading&&!state.ended&&(state.length<state.highWaterMark||state.flowing&&0===state.length);){var len=state.length;if(debug("maybeReadMore read 0"),stream.read(0),len===state.length)break}state.readingMore=!1}function pipeOnDrain(src){return function pipeOnDrainFunctionResult(){var state=src._readableState;debug("pipeOnDrain",state.awaitDrain),state.awaitDrain&&state.awaitDrain--,0===state.awaitDrain&&EElistenerCount(src,"data")&&(state.flowing=!0,flow(src))}}function updateReadableListening(self){var state=self._readableState;state.readableListening=0<self.listenerCount("readable"),state.resumeScheduled&&!state.paused?state.flowing=!0:0<self.listenerCount("data")&&self.resume()}function nReadingNextTick(self){debug("readable nexttick read 0"),self.read(0)}function resume(stream,state){state.resumeScheduled||(state.resumeScheduled=!0,process.nextTick(resume_,stream,state))}function resume_(stream,state){debug("resume",state.reading),state.reading||stream.read(0),state.resumeScheduled=!1,stream.emit("resume"),flow(stream),state.flowing&&!state.reading&&stream.read(0)}function flow(stream){var state=stream._readableState;for(debug("flow",state.flowing);state.flowing&&null!==stream.read(););}function fromList(n,state){if(0===state.length)return null;var ret;return state.objectMode?ret=state.buffer.shift():!n||n>=state.length?(ret=state.decoder?state.buffer.join(""):1===state.buffer.length?state.buffer.first():state.buffer.concat(state.length),state.buffer.clear()):ret=state.buffer.consume(n,state.decoder),ret}function endReadable(stream){var state=stream._readableState;debug("endReadable",state.endEmitted),state.endEmitted||(state.ended=!0,process.nextTick(endReadableNT,state,stream))}function endReadableNT(state,stream){if(debug("endReadableNT",state.endEmitted,state.length),!state.endEmitted&&0===state.length&&(state.endEmitted=!0,stream.readable=!1,stream.emit("end"),state.autoDestroy)){var wState=stream._writableState;(!wState||wState.autoDestroy&&wState.finished)&&stream.destroy()}}function indexOf(xs,x){for(var i=0,l=xs.length;i<l;i++)if(xs[i]===x)return i;return-1}module.exports=Readable;var Duplex;Readable.ReadableState=ReadableState;var EE=require("events").EventEmitter,EElistenerCount=function EElistenerCount(emitter,type){return emitter.listeners(type).length},Stream=require("./internal/streams/stream"),Buffer=require("buffer").Buffer,OurUint8Array=global.Uint8Array||function(){},debugUtil=require("util"),debug;debug=debugUtil&&debugUtil.debuglog?debugUtil.debuglog("stream"):function debug(){};var BufferList=require("./internal/streams/buffer_list"),destroyImpl=require("./internal/streams/destroy"),_require=require("./internal/streams/state"),getHighWaterMark=_require.getHighWaterMark,_require$codes=require("../errors").codes,ERR_INVALID_ARG_TYPE=_require$codes.ERR_INVALID_ARG_TYPE,ERR_STREAM_PUSH_AFTER_EOF=_require$codes.ERR_STREAM_PUSH_AFTER_EOF,ERR_METHOD_NOT_IMPLEMENTED=_require$codes.ERR_METHOD_NOT_IMPLEMENTED,ERR_STREAM_UNSHIFT_AFTER_END_EVENT=_require$codes.ERR_STREAM_UNSHIFT_AFTER_END_EVENT,StringDecoder,createReadableStreamAsyncIterator,from;require("inherits")(Readable,Stream);var errorOrDestroy=destroyImpl.errorOrDestroy,kProxyEvents=["error","close","destroy","pause","resume"];Object.defineProperty(Readable.prototype,"destroyed",{enumerable:!1,get:function get(){return void 0!==this._readableState&&this._readableState.destroyed},set:function set(value){this._readableState&&(this._readableState.destroyed=value)}}),Readable.prototype.destroy=destroyImpl.destroy,Readable.prototype._undestroy=destroyImpl.undestroy,Readable.prototype._destroy=function(err,cb){cb(err)},Readable.prototype.push=function(chunk,encoding){var state=this._readableState,skipChunkCheck;return state.objectMode?skipChunkCheck=!0:"string"==typeof chunk&&(encoding=encoding||state.defaultEncoding,encoding!==state.encoding&&(chunk=Buffer.from(chunk,encoding),encoding=""),skipChunkCheck=!0),readableAddChunk(this,chunk,encoding,!1,skipChunkCheck)},Readable.prototype.unshift=function(chunk){return readableAddChunk(this,chunk,null,!0,!1)},Readable.prototype.isPaused=function(){return!1===this._readableState.flowing},Readable.prototype.setEncoding=function(enc){StringDecoder||(StringDecoder=require("string_decoder/").StringDecoder);var decoder=new StringDecoder(enc);this._readableState.decoder=decoder,this._readableState.encoding=this._readableState.decoder.encoding;for(var p=this._readableState.buffer.head,content="";null!==p;)content+=decoder.write(p.data),p=p.next;return this._readableState.buffer.clear(),""!==content&&this._readableState.buffer.push(content),this._readableState.length=content.length,this};var MAX_HWM=1073741824;Readable.prototype.read=function(n){debug("read",n),n=parseInt(n,10);var state=this._readableState,nOrig=n;if(0!==n&&(state.emittedReadable=!1),0===n&&state.needReadable&&((0===state.highWaterMark?0<state.length:state.length>=state.highWaterMark)||state.ended))return debug("read: emitReadable",state.length,state.ended),0===state.length&&state.ended?endReadable(this):emitReadable(this),null;if(n=howMuchToRead(n,state),0===n&&state.ended)return 0===state.length&&endReadable(this),null;var doRead=state.needReadable;debug("need readable",doRead),(0===state.length||state.length-n<state.highWaterMark)&&(doRead=!0,debug("length less than watermark",doRead)),state.ended||state.reading?(doRead=!1,debug("reading or ended",doRead)):doRead&&(debug("do read"),state.reading=!0,state.sync=!0,0===state.length&&(state.needReadable=!0),this._read(state.highWaterMark),state.sync=!1,!state.reading&&(n=howMuchToRead(nOrig,state)));var ret;return ret=0<n?fromList(n,state):null,null===ret?(state.needReadable=state.length<=state.highWaterMark,n=0):(state.length-=n,state.awaitDrain=0),0===state.length&&(!state.ended&&(state.needReadable=!0),nOrig!==n&&state.ended&&endReadable(this)),null!==ret&&this.emit("data",ret),ret},Readable.prototype._read=function(n){errorOrDestroy(this,new ERR_METHOD_NOT_IMPLEMENTED("_read()"))},Readable.prototype.pipe=function(dest,pipeOpts){function onunpipe(readable,unpipeInfo){debug("onunpipe"),readable===src&&unpipeInfo&&!1===unpipeInfo.hasUnpiped&&(unpipeInfo.hasUnpiped=!0,cleanup())}function onend(){debug("onend"),dest.end()}function cleanup(){debug("cleanup"),dest.removeListener("close",onclose),dest.removeListener("finish",onfinish),dest.removeListener("drain",ondrain),dest.removeListener("error",onerror),dest.removeListener("unpipe",onunpipe),src.removeListener("end",onend),src.removeListener("end",unpipe),src.removeListener("data",ondata),cleanedUp=!0,state.awaitDrain&&(!dest._writableState||dest._writableState.needDrain)&&ondrain()}function ondata(chunk){debug("ondata");var ret=dest.write(chunk);debug("dest.write",ret),!1===ret&&((1===state.pipesCount&&state.pipes===dest||1<state.pipesCount&&-1!==indexOf(state.pipes,dest))&&!cleanedUp&&(debug("false write response, pause",state.awaitDrain),state.awaitDrain++),src.pause())}function onerror(er){debug("onerror",er),unpipe(),dest.removeListener("error",onerror),0===EElistenerCount(dest,"error")&&errorOrDestroy(dest,er)}function onclose(){dest.removeListener("finish",onfinish),unpipe()}function onfinish(){debug("onfinish"),dest.removeListener("close",onclose),unpipe()}function unpipe(){debug("unpipe"),src.unpipe(dest)}var src=this,state=this._readableState;switch(state.pipesCount){case 0:state.pipes=dest;break;case 1:state.pipes=[state.pipes,dest];break;default:state.pipes.push(dest);}state.pipesCount+=1,debug("pipe count=%d opts=%j",state.pipesCount,pipeOpts);var doEnd=(!pipeOpts||!1!==pipeOpts.end)&&dest!==process.stdout&&dest!==process.stderr,endFn=doEnd?onend:unpipe;state.endEmitted?process.nextTick(endFn):src.once("end",endFn),dest.on("unpipe",onunpipe);var ondrain=pipeOnDrain(src);dest.on("drain",ondrain);var cleanedUp=!1;return src.on("data",ondata),prependListener(dest,"error",onerror),dest.once("close",onclose),dest.once("finish",onfinish),dest.emit("pipe",src),state.flowing||(debug("pipe resume"),src.resume()),dest},Readable.prototype.unpipe=function(dest){var state=this._readableState,unpipeInfo={hasUnpiped:!1};if(0===state.pipesCount)return this;if(1===state.pipesCount)return dest&&dest!==state.pipes?this:(dest||(dest=state.pipes),state.pipes=null,state.pipesCount=0,state.flowing=!1,dest&&dest.emit("unpipe",this,unpipeInfo),this);if(!dest){var dests=state.pipes,len=state.pipesCount;state.pipes=null,state.pipesCount=0,state.flowing=!1;for(var i=0;i<len;i++)dests[i].emit("unpipe",this,{hasUnpiped:!1});return this}var index=indexOf(state.pipes,dest);return-1===index?this:(state.pipes.splice(index,1),state.pipesCount-=1,1===state.pipesCount&&(state.pipes=state.pipes[0]),dest.emit("unpipe",this,unpipeInfo),this)},Readable.prototype.on=function(ev,fn){var res=Stream.prototype.on.call(this,ev,fn),state=this._readableState;return"data"===ev?(state.readableListening=0<this.listenerCount("readable"),!1!==state.flowing&&this.resume()):"readable"==ev&&!state.endEmitted&&!state.readableListening&&(state.readableListening=state.needReadable=!0,state.flowing=!1,state.emittedReadable=!1,debug("on readable",state.length,state.reading),state.length?emitReadable(this):!state.reading&&process.nextTick(nReadingNextTick,this)),res},Readable.prototype.addListener=Readable.prototype.on,Readable.prototype.removeListener=function(ev,fn){var res=Stream.prototype.removeListener.call(this,ev,fn);return"readable"===ev&&process.nextTick(updateReadableListening,this),res},Readable.prototype.removeAllListeners=function(ev){var res=Stream.prototype.removeAllListeners.apply(this,arguments);return("readable"===ev||void 0===ev)&&process.nextTick(updateReadableListening,this),res},Readable.prototype.resume=function(){var state=this._readableState;return state.flowing||(debug("resume"),state.flowing=!state.readableListening,resume(this,state)),state.paused=!1,this},Readable.prototype.pause=function(){return debug("call pause flowing=%j",this._readableState.flowing),!1!==this._readableState.flowing&&(debug("pause"),this._readableState.flowing=!1,this.emit("pause")),this._readableState.paused=!0,this},Readable.prototype.wrap=function(stream){var _this=this,state=this._readableState,paused=!1;for(var i in stream.on("end",function(){if(debug("wrapped end"),state.decoder&&!state.ended){var chunk=state.decoder.end();chunk&&chunk.length&&_this.push(chunk)}_this.push(null)}),stream.on("data",function(chunk){if((debug("wrapped data"),state.decoder&&(chunk=state.decoder.write(chunk)),!(state.objectMode&&(null===chunk||void 0===chunk)))&&(state.objectMode||chunk&&chunk.length)){var ret=_this.push(chunk);ret||(paused=!0,stream.pause())}}),stream)void 0===this[i]&&"function"==typeof stream[i]&&(this[i]=function methodWrap(method){return function methodWrapReturnFunction(){return stream[method].apply(stream,arguments)}}(i));for(var n=0;n<kProxyEvents.length;n++)stream.on(kProxyEvents[n],this.emit.bind(this,kProxyEvents[n]));return this._read=function(n){debug("wrapped _read",n),paused&&(paused=!1,stream.resume())},this},"function"==typeof Symbol&&(Readable.prototype[Symbol.asyncIterator]=function(){return void 0===createReadableStreamAsyncIterator&&(createReadableStreamAsyncIterator=require("./internal/streams/async_iterator")),createReadableStreamAsyncIterator(this)}),Object.defineProperty(Readable.prototype,"readableHighWaterMark",{enumerable:!1,get:function get(){return this._readableState.highWaterMark}}),Object.defineProperty(Readable.prototype,"readableBuffer",{enumerable:!1,get:function get(){return this._readableState&&this._readableState.buffer}}),Object.defineProperty(Readable.prototype,"readableFlowing",{enumerable:!1,get:function get(){return this._readableState.flowing},set:function set(state){this._readableState&&(this._readableState.flowing=state)}}),Readable._fromList=fromList,Object.defineProperty(Readable.prototype,"readableLength",{enumerable:!1,get:function get(){return this._readableState.length}}),"function"==typeof Symbol&&(Readable.from=function(iterable,opts){return void 0===from&&(from=require("./internal/streams/from")),from(Readable,iterable,opts)})}).call(this)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"../errors":267,"./_stream_duplex":268,"./internal/streams/async_iterator":273,"./internal/streams/buffer_list":274,"./internal/streams/destroy":275,"./internal/streams/from":277,"./internal/streams/state":279,"./internal/streams/stream":280,_process:246,buffer:101,events:156,inherits:190,"string_decoder/":321,util:66}],271:[function(require,module,exports){"use strict";function afterTransform(er,data){var ts=this._transformState;ts.transforming=!1;var cb=ts.writecb;if(null===cb)return this.emit("error",new ERR_MULTIPLE_CALLBACK);ts.writechunk=null,ts.writecb=null,null!=data&&this.push(data),cb(er);var rs=this._readableState;rs.reading=!1,(rs.needReadable||rs.length<rs.highWaterMark)&&this._read(rs.highWaterMark)}function Transform(options){return this instanceof Transform?void(Duplex.call(this,options),this._transformState={afterTransform:afterTransform.bind(this),needTransform:!1,transforming:!1,writecb:null,writechunk:null,writeencoding:null},this._readableState.needReadable=!0,this._readableState.sync=!1,options&&("function"==typeof options.transform&&(this._transform=options.transform),"function"==typeof options.flush&&(this._flush=options.flush)),this.on("prefinish",prefinish)):new Transform(options)}function prefinish(){var _this=this;"function"!=typeof this._flush||this._readableState.destroyed?done(this,null,null):this._flush(function(er,data){done(_this,er,data)})}function done(stream,er,data){if(er)return stream.emit("error",er);if(null!=data&&stream.push(data),stream._writableState.length)throw new ERR_TRANSFORM_WITH_LENGTH_0;if(stream._transformState.transforming)throw new ERR_TRANSFORM_ALREADY_TRANSFORMING;return stream.push(null)}module.exports=Transform;var _require$codes=require("../errors").codes,ERR_METHOD_NOT_IMPLEMENTED=_require$codes.ERR_METHOD_NOT_IMPLEMENTED,ERR_MULTIPLE_CALLBACK=_require$codes.ERR_MULTIPLE_CALLBACK,ERR_TRANSFORM_ALREADY_TRANSFORMING=_require$codes.ERR_TRANSFORM_ALREADY_TRANSFORMING,ERR_TRANSFORM_WITH_LENGTH_0=_require$codes.ERR_TRANSFORM_WITH_LENGTH_0,Duplex=require("./_stream_duplex");require("inherits")(Transform,Duplex),Transform.prototype.push=function(chunk,encoding){return this._transformState.needTransform=!1,Duplex.prototype.push.call(this,chunk,encoding)},Transform.prototype._transform=function(chunk,encoding,cb){cb(new ERR_METHOD_NOT_IMPLEMENTED("_transform()"))},Transform.prototype._write=function(chunk,encoding,cb){var ts=this._transformState;if(ts.writecb=cb,ts.writechunk=chunk,ts.writeencoding=encoding,!ts.transforming){var rs=this._readableState;(ts.needTransform||rs.needReadable||rs.length<rs.highWaterMark)&&this._read(rs.highWaterMark)}},Transform.prototype._read=function(n){var ts=this._transformState;null===ts.writechunk||ts.transforming?ts.needTransform=!0:(ts.transforming=!0,this._transform(ts.writechunk,ts.writeencoding,ts.afterTransform))},Transform.prototype._destroy=function(err,cb){Duplex.prototype._destroy.call(this,err,function(err2){cb(err2)})}},{"../errors":267,"./_stream_duplex":268,inherits:190}],272:[function(require,module,exports){(function(process,global){(function(){"use strict";function WriteReq(chunk,encoding,cb){this.chunk=chunk,this.encoding=encoding,this.callback=cb,this.next=null}function CorkedRequest(state){var _this=this;this.next=null,this.entry=null,this.finish=function(){onCorkedFinish(_this,state)}}function _uint8ArrayToBuffer(chunk){return Buffer.from(chunk)}function _isUint8Array(obj){return Buffer.isBuffer(obj)||obj instanceof OurUint8Array}function nop(){}function WritableState(options,stream,isDuplex){Duplex=Duplex||require("./_stream_duplex"),options=options||{},"boolean"!=typeof isDuplex&&(isDuplex=stream instanceof Duplex),this.objectMode=!!options.objectMode,isDuplex&&(this.objectMode=this.objectMode||!!options.writableObjectMode),this.highWaterMark=getHighWaterMark(this,options,"writableHighWaterMark",isDuplex),this.finalCalled=!1,this.needDrain=!1,this.ending=!1,this.ended=!1,this.finished=!1,this.destroyed=!1;var noDecode=!1===options.decodeStrings;this.decodeStrings=!noDecode,this.defaultEncoding=options.defaultEncoding||"utf8",this.length=0,this.writing=!1,this.corked=0,this.sync=!0,this.bufferProcessing=!1,this.onwrite=function(er){onwrite(stream,er)},this.writecb=null,this.writelen=0,this.bufferedRequest=null,this.lastBufferedRequest=null,this.pendingcb=0,this.prefinished=!1,this.errorEmitted=!1,this.emitClose=!1!==options.emitClose,this.autoDestroy=!!options.autoDestroy,this.bufferedRequestCount=0,this.corkedRequestsFree=new CorkedRequest(this)}function Writable(options){Duplex=Duplex||require("./_stream_duplex");var isDuplex=this instanceof Duplex;return isDuplex||realHasInstance.call(Writable,this)?void(this._writableState=new WritableState(options,this,isDuplex),this.writable=!0,options&&("function"==typeof options.write&&(this._write=options.write),"function"==typeof options.writev&&(this._writev=options.writev),"function"==typeof options.destroy&&(this._destroy=options.destroy),"function"==typeof options.final&&(this._final=options.final)),Stream.call(this)):new Writable(options)}function writeAfterEnd(stream,cb){var er=new ERR_STREAM_WRITE_AFTER_END;errorOrDestroy(stream,er),process.nextTick(cb,er)}function validChunk(stream,state,chunk,cb){var er;return null===chunk?er=new ERR_STREAM_NULL_VALUES:"string"!=typeof chunk&&!state.objectMode&&(er=new ERR_INVALID_ARG_TYPE("chunk",["string","Buffer"],chunk)),!er||(errorOrDestroy(stream,er),process.nextTick(cb,er),!1)}function decodeChunk(state,chunk,encoding){return state.objectMode||!1===state.decodeStrings||"string"!=typeof chunk||(chunk=Buffer.from(chunk,encoding)),chunk}function writeOrBuffer(stream,state,isBuf,chunk,encoding,cb){if(!isBuf){var newChunk=decodeChunk(state,chunk,encoding);chunk!==newChunk&&(isBuf=!0,encoding="buffer",chunk=newChunk)}var len=state.objectMode?1:chunk.length;state.length+=len;var ret=state.length<state.highWaterMark;if(ret||(state.needDrain=!0),state.writing||state.corked){var last=state.lastBufferedRequest;state.lastBufferedRequest={chunk:chunk,encoding:encoding,isBuf:isBuf,callback:cb,next:null},last?last.next=state.lastBufferedRequest:state.bufferedRequest=state.lastBufferedRequest,state.bufferedRequestCount+=1}else doWrite(stream,state,!1,len,chunk,encoding,cb);return ret}function doWrite(stream,state,writev,len,chunk,encoding,cb){state.writelen=len,state.writecb=cb,state.writing=!0,state.sync=!0,state.destroyed?state.onwrite(new ERR_STREAM_DESTROYED("write")):writev?stream._writev(chunk,state.onwrite):stream._write(chunk,encoding,state.onwrite),state.sync=!1}function onwriteError(stream,state,sync,er,cb){--state.pendingcb,sync?(process.nextTick(cb,er),process.nextTick(finishMaybe,stream,state),stream._writableState.errorEmitted=!0,errorOrDestroy(stream,er)):(cb(er),stream._writableState.errorEmitted=!0,errorOrDestroy(stream,er),finishMaybe(stream,state))}function onwriteStateUpdate(state){state.writing=!1,state.writecb=null,state.length-=state.writelen,state.writelen=0}function onwrite(stream,er){var state=stream._writableState,sync=state.sync,cb=state.writecb;if("function"!=typeof cb)throw new ERR_MULTIPLE_CALLBACK;if(onwriteStateUpdate(state),er)onwriteError(stream,state,sync,er,cb);else{var finished=needFinish(state)||stream.destroyed;finished||state.corked||state.bufferProcessing||!state.bufferedRequest||clearBuffer(stream,state),sync?process.nextTick(afterWrite,stream,state,finished,cb):afterWrite(stream,state,finished,cb)}}function afterWrite(stream,state,finished,cb){finished||onwriteDrain(stream,state),state.pendingcb--,cb(),finishMaybe(stream,state)}function onwriteDrain(stream,state){0===state.length&&state.needDrain&&(state.needDrain=!1,stream.emit("drain"))}function clearBuffer(stream,state){state.bufferProcessing=!0;var entry=state.bufferedRequest;if(stream._writev&&entry&&entry.next){var l=state.bufferedRequestCount,buffer=Array(l),holder=state.corkedRequestsFree;holder.entry=entry;for(var count=0,allBuffers=!0;entry;)buffer[count]=entry,entry.isBuf||(allBuffers=!1),entry=entry.next,count+=1;buffer.allBuffers=allBuffers,doWrite(stream,state,!0,state.length,buffer,"",holder.finish),state.pendingcb++,state.lastBufferedRequest=null,holder.next?(state.corkedRequestsFree=holder.next,holder.next=null):state.corkedRequestsFree=new CorkedRequest(state),state.bufferedRequestCount=0}else{for(;entry;){var chunk=entry.chunk,encoding=entry.encoding,cb=entry.callback,len=state.objectMode?1:chunk.length;if(doWrite(stream,state,!1,len,chunk,encoding,cb),entry=entry.next,state.bufferedRequestCount--,state.writing)break}null===entry&&(state.lastBufferedRequest=null)}state.bufferedRequest=entry,state.bufferProcessing=!1}function needFinish(state){return state.ending&&0===state.length&&null===state.bufferedRequest&&!state.finished&&!state.writing}function callFinal(stream,state){stream._final(function(err){state.pendingcb--,err&&errorOrDestroy(stream,err),state.prefinished=!0,stream.emit("prefinish"),finishMaybe(stream,state)})}function prefinish(stream,state){state.prefinished||state.finalCalled||("function"!=typeof stream._final||state.destroyed?(state.prefinished=!0,stream.emit("prefinish")):(state.pendingcb++,state.finalCalled=!0,process.nextTick(callFinal,stream,state)))}function finishMaybe(stream,state){var need=needFinish(state);if(need&&(prefinish(stream,state),0===state.pendingcb&&(state.finished=!0,stream.emit("finish"),state.autoDestroy))){var rState=stream._readableState;(!rState||rState.autoDestroy&&rState.endEmitted)&&stream.destroy()}return need}function endWritable(stream,state,cb){state.ending=!0,finishMaybe(stream,state),cb&&(state.finished?process.nextTick(cb):stream.once("finish",cb)),state.ended=!0,stream.writable=!1}function onCorkedFinish(corkReq,state,err){var entry=corkReq.entry;for(corkReq.entry=null;entry;){var cb=entry.callback;state.pendingcb--,cb(err),entry=entry.next}state.corkedRequestsFree.next=corkReq}module.exports=Writable;var Duplex;Writable.WritableState=WritableState;var internalUtil={deprecate:require("util-deprecate")},Stream=require("./internal/streams/stream"),Buffer=require("buffer").Buffer,OurUint8Array=global.Uint8Array||function(){},destroyImpl=require("./internal/streams/destroy"),_require=require("./internal/streams/state"),getHighWaterMark=_require.getHighWaterMark,_require$codes=require("../errors").codes,ERR_INVALID_ARG_TYPE=_require$codes.ERR_INVALID_ARG_TYPE,ERR_METHOD_NOT_IMPLEMENTED=_require$codes.ERR_METHOD_NOT_IMPLEMENTED,ERR_MULTIPLE_CALLBACK=_require$codes.ERR_MULTIPLE_CALLBACK,ERR_STREAM_CANNOT_PIPE=_require$codes.ERR_STREAM_CANNOT_PIPE,ERR_STREAM_DESTROYED=_require$codes.ERR_STREAM_DESTROYED,ERR_STREAM_NULL_VALUES=_require$codes.ERR_STREAM_NULL_VALUES,ERR_STREAM_WRITE_AFTER_END=_require$codes.ERR_STREAM_WRITE_AFTER_END,ERR_UNKNOWN_ENCODING=_require$codes.ERR_UNKNOWN_ENCODING,errorOrDestroy=destroyImpl.errorOrDestroy;require("inherits")(Writable,Stream),WritableState.prototype.getBuffer=function getBuffer(){for(var current=this.bufferedRequest,out=[];current;)out.push(current),current=current.next;return out},function(){try{Object.defineProperty(WritableState.prototype,"buffer",{get:internalUtil.deprecate(function writableStateBufferGetter(){return this.getBuffer()},"_writableState.buffer is deprecated. Use _writableState.getBuffer instead.","DEP0003")})}catch(_){}}();var realHasInstance;"function"==typeof Symbol&&Symbol.hasInstance&&"function"==typeof Function.prototype[Symbol.hasInstance]?(realHasInstance=Function.prototype[Symbol.hasInstance],Object.defineProperty(Writable,Symbol.hasInstance,{value:function value(object){return!!realHasInstance.call(this,object)||!(this!==Writable)&&object&&object._writableState instanceof WritableState}})):realHasInstance=function realHasInstance(object){return object instanceof this},Writable.prototype.pipe=function(){errorOrDestroy(this,new ERR_STREAM_CANNOT_PIPE)},Writable.prototype.write=function(chunk,encoding,cb){var state=this._writableState,ret=!1,isBuf=!state.objectMode&&_isUint8Array(chunk);return isBuf&&!Buffer.isBuffer(chunk)&&(chunk=_uint8ArrayToBuffer(chunk)),"function"==typeof encoding&&(cb=encoding,encoding=null),isBuf?encoding="buffer":!encoding&&(encoding=state.defaultEncoding),"function"!=typeof cb&&(cb=nop),state.ending?writeAfterEnd(this,cb):(isBuf||validChunk(this,state,chunk,cb))&&(state.pendingcb++,ret=writeOrBuffer(this,state,isBuf,chunk,encoding,cb)),ret},Writable.prototype.cork=function(){this._writableState.corked++},Writable.prototype.uncork=function(){var state=this._writableState;state.corked&&(state.corked--,!state.writing&&!state.corked&&!state.bufferProcessing&&state.bufferedRequest&&clearBuffer(this,state))},Writable.prototype.setDefaultEncoding=function setDefaultEncoding(encoding){if("string"==typeof encoding&&(encoding=encoding.toLowerCase()),!(-1<["hex","utf8","utf-8","ascii","binary","base64","ucs2","ucs-2","utf16le","utf-16le","raw"].indexOf((encoding+"").toLowerCase())))throw new ERR_UNKNOWN_ENCODING(encoding);return this._writableState.defaultEncoding=encoding,this},Object.defineProperty(Writable.prototype,"writableBuffer",{enumerable:!1,get:function get(){return this._writableState&&this._writableState.getBuffer()}}),Object.defineProperty(Writable.prototype,"writableHighWaterMark",{enumerable:!1,get:function get(){return this._writableState.highWaterMark}}),Writable.prototype._write=function(chunk,encoding,cb){cb(new ERR_METHOD_NOT_IMPLEMENTED("_write()"))},Writable.prototype._writev=null,Writable.prototype.end=function(chunk,encoding,cb){var state=this._writableState;return"function"==typeof chunk?(cb=chunk,chunk=null,encoding=null):"function"==typeof encoding&&(cb=encoding,encoding=null),null!==chunk&&void 0!==chunk&&this.write(chunk,encoding),state.corked&&(state.corked=1,this.uncork()),state.ending||endWritable(this,state,cb),this},Object.defineProperty(Writable.prototype,"writableLength",{enumerable:!1,get:function get(){return this._writableState.length}}),Object.defineProperty(Writable.prototype,"destroyed",{enumerable:!1,get:function get(){return void 0!==this._writableState&&this._writableState.destroyed},set:function set(value){this._writableState&&(this._writableState.destroyed=value)}}),Writable.prototype.destroy=destroyImpl.destroy,Writable.prototype._undestroy=destroyImpl.undestroy,Writable.prototype._destroy=function(err,cb){cb(err)}}).call(this)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"../errors":267,"./_stream_duplex":268,"./internal/streams/destroy":275,"./internal/streams/state":279,"./internal/streams/stream":280,_process:246,buffer:101,inherits:190,"util-deprecate":335}],273:[function(require,module,exports){(function(process){(function(){"use strict";function _defineProperty(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj}function createIterResult(value,done){return{value:value,done:done}}function readAndResolve(iter){var resolve=iter[kLastResolve];if(null!==resolve){var data=iter[kStream].read();null!==data&&(iter[kLastPromise]=null,iter[kLastResolve]=null,iter[kLastReject]=null,resolve(createIterResult(data,!1)))}}function onReadable(iter){process.nextTick(readAndResolve,iter)}function wrapForNext(lastPromise,iter){return function(resolve,reject){lastPromise.then(function(){return iter[kEnded]?void resolve(createIterResult(void 0,!0)):void iter[kHandlePromise](resolve,reject)},reject)}}var finished=require("./end-of-stream"),kLastResolve=Symbol("lastResolve"),kLastReject=Symbol("lastReject"),kError=Symbol("error"),kEnded=Symbol("ended"),kLastPromise=Symbol("lastPromise"),kHandlePromise=Symbol("handlePromise"),kStream=Symbol("stream"),AsyncIteratorPrototype=Object.getPrototypeOf(function(){}),ReadableStreamAsyncIteratorPrototype=Object.setPrototypeOf((_Object$setPrototypeO={get stream(){return this[kStream]},next:function next(){var _this=this,error=this[kError];if(null!==error)return Promise.reject(error);if(this[kEnded])return Promise.resolve(createIterResult(void 0,!0));if(this[kStream].destroyed)return new Promise(function(resolve,reject){process.nextTick(function(){_this[kError]?reject(_this[kError]):resolve(createIterResult(void 0,!0))})});var lastPromise=this[kLastPromise],promise;if(lastPromise)promise=new Promise(wrapForNext(lastPromise,this));else{var data=this[kStream].read();if(null!==data)return Promise.resolve(createIterResult(data,!1));promise=new Promise(this[kHandlePromise])}return this[kLastPromise]=promise,promise}},_defineProperty(_Object$setPrototypeO,Symbol.asyncIterator,function(){return this}),_defineProperty(_Object$setPrototypeO,"return",function _return(){var _this2=this;return new Promise(function(resolve,reject){_this2[kStream].destroy(null,function(err){return err?void reject(err):void resolve(createIterResult(void 0,!0))})})}),_Object$setPrototypeO),AsyncIteratorPrototype),createReadableStreamAsyncIterator=function createReadableStreamAsyncIterator(stream){var iterator=Object.create(ReadableStreamAsyncIteratorPrototype,(_Object$create={},_defineProperty(_Object$create,kStream,{value:stream,writable:!0}),_defineProperty(_Object$create,kLastResolve,{value:null,writable:!0}),_defineProperty(_Object$create,kLastReject,{value:null,writable:!0}),_defineProperty(_Object$create,kError,{value:null,writable:!0}),_defineProperty(_Object$create,kEnded,{value:stream._readableState.endEmitted,writable:!0}),_defineProperty(_Object$create,kHandlePromise,{value:function value(resolve,reject){var data=iterator[kStream].read();data?(iterator[kLastPromise]=null,iterator[kLastResolve]=null,iterator[kLastReject]=null,resolve(createIterResult(data,!1))):(iterator[kLastResolve]=resolve,iterator[kLastReject]=reject)},writable:!0}),_Object$create)),_Object$create;return iterator[kLastPromise]=null,finished(stream,function(err){if(err&&"ERR_STREAM_PREMATURE_CLOSE"!==err.code){var reject=iterator[kLastReject];return null!==reject&&(iterator[kLastPromise]=null,iterator[kLastResolve]=null,iterator[kLastReject]=null,reject(err)),void(iterator[kError]=err)}var resolve=iterator[kLastResolve];null!==resolve&&(iterator[kLastPromise]=null,iterator[kLastResolve]=null,iterator[kLastReject]=null,resolve(createIterResult(void 0,!0))),iterator[kEnded]=!0}),stream.on("readable",onReadable.bind(null,iterator)),iterator},_Object$setPrototypeO;module.exports=createReadableStreamAsyncIterator}).call(this)}).call(this,require("_process"))},{"./end-of-stream":276,_process:246}],274:[function(require,module,exports){"use strict";function ownKeys(object,enumerableOnly){var keys=Object.keys(object);if(Object.getOwnPropertySymbols){var symbols=Object.getOwnPropertySymbols(object);enumerableOnly&&(symbols=symbols.filter(function(sym){return Object.getOwnPropertyDescriptor(object,sym).enumerable})),keys.push.apply(keys,symbols)}return keys}function _objectSpread(target){for(var i=1,source;i<arguments.length;i++)source=null==arguments[i]?{}:arguments[i],i%2?ownKeys(Object(source),!0).forEach(function(key){_defineProperty(target,key,source[key])}):Object.getOwnPropertyDescriptors?Object.defineProperties(target,Object.getOwnPropertyDescriptors(source)):ownKeys(Object(source)).forEach(function(key){Object.defineProperty(target,key,Object.getOwnPropertyDescriptor(source,key))});return target}function _defineProperty(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj}function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}function _defineProperties(target,props){for(var i=0,descriptor;i<props.length;i++)descriptor=props[i],descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}function _createClass(Constructor,protoProps,staticProps){return protoProps&&_defineProperties(Constructor.prototype,protoProps),staticProps&&_defineProperties(Constructor,staticProps),Constructor}function copyBuffer(src,target,offset){Buffer.prototype.copy.call(src,target,offset)}var _require=require("buffer"),Buffer=_require.Buffer,_require2=require("util"),inspect=_require2.inspect,custom=inspect&&inspect.custom||"inspect";module.exports=function(){function BufferList(){_classCallCheck(this,BufferList),this.head=null,this.tail=null,this.length=0}return _createClass(BufferList,[{key:"push",value:function push(v){var entry={data:v,next:null};0<this.length?this.tail.next=entry:this.head=entry,this.tail=entry,++this.length}},{key:"unshift",value:function unshift(v){var entry={data:v,next:this.head};0===this.length&&(this.tail=entry),this.head=entry,++this.length}},{key:"shift",value:function shift(){if(0!==this.length){var ret=this.head.data;return this.head=1===this.length?this.tail=null:this.head.next,--this.length,ret}}},{key:"clear",value:function clear(){this.head=this.tail=null,this.length=0}},{key:"join",value:function join(s){if(0===this.length)return"";for(var p=this.head,ret=""+p.data;p=p.next;)ret+=s+p.data;return ret}},{key:"concat",value:function concat(n){if(0===this.length)return Buffer.alloc(0);for(var ret=Buffer.allocUnsafe(n>>>0),p=this.head,i=0;p;)copyBuffer(p.data,ret,i),i+=p.data.length,p=p.next;return ret}},{key:"consume",value:function consume(n,hasStrings){var ret;return n<this.head.data.length?(ret=this.head.data.slice(0,n),this.head.data=this.head.data.slice(n)):n===this.head.data.length?ret=this.shift():ret=hasStrings?this._getString(n):this._getBuffer(n),ret}},{key:"first",value:function first(){return this.head.data}},{key:"_getString",value:function _getString(n){var p=this.head,c=1,ret=p.data;for(n-=ret.length;p=p.next;){var str=p.data,nb=n>str.length?str.length:n;if(ret+=nb===str.length?str:str.slice(0,n),n-=nb,0===n){nb===str.length?(++c,this.head=p.next?p.next:this.tail=null):(this.head=p,p.data=str.slice(nb));break}++c}return this.length-=c,ret}},{key:"_getBuffer",value:function _getBuffer(n){var ret=Buffer.allocUnsafe(n),p=this.head,c=1;for(p.data.copy(ret),n-=p.data.length;p=p.next;){var buf=p.data,nb=n>buf.length?buf.length:n;if(buf.copy(ret,ret.length-n,0,nb),n-=nb,0===n){nb===buf.length?(++c,this.head=p.next?p.next:this.tail=null):(this.head=p,p.data=buf.slice(nb));break}++c}return this.length-=c,ret}},{key:custom,value:function value(_,options){return inspect(this,_objectSpread({},options,{depth:0,customInspect:!1}))}}]),BufferList}()},{buffer:101,util:66}],275:[function(require,module,exports){(function(process){(function(){"use strict";function destroy(err,cb){var _this=this,readableDestroyed=this._readableState&&this._readableState.destroyed,writableDestroyed=this._writableState&&this._writableState.destroyed;return readableDestroyed||writableDestroyed?(cb?cb(err):err&&(this._writableState?!this._writableState.errorEmitted&&(this._writableState.errorEmitted=!0,process.nextTick(emitErrorNT,this,err)):process.nextTick(emitErrorNT,this,err)),this):(this._readableState&&(this._readableState.destroyed=!0),this._writableState&&(this._writableState.destroyed=!0),this._destroy(err||null,function(err){!cb&&err?_this._writableState?_this._writableState.errorEmitted?process.nextTick(emitCloseNT,_this):(_this._writableState.errorEmitted=!0,process.nextTick(emitErrorAndCloseNT,_this,err)):process.nextTick(emitErrorAndCloseNT,_this,err):cb?(process.nextTick(emitCloseNT,_this),cb(err)):process.nextTick(emitCloseNT,_this)}),this)}function emitErrorAndCloseNT(self,err){emitErrorNT(self,err),emitCloseNT(self)}function emitCloseNT(self){self._writableState&&!self._writableState.emitClose||self._readableState&&!self._readableState.emitClose||self.emit("close")}function undestroy(){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)}function emitErrorNT(self,err){self.emit("error",err)}function errorOrDestroy(stream,err){var rState=stream._readableState,wState=stream._writableState;rState&&rState.autoDestroy||wState&&wState.autoDestroy?stream.destroy(err):stream.emit("error",err)}module.exports={destroy:destroy,undestroy:undestroy,errorOrDestroy:errorOrDestroy}}).call(this)}).call(this,require("_process"))},{_process:246}],276:[function(require,module,exports){"use strict";function once(callback){var called=!1;return function(){if(!called){called=!0;for(var _len=arguments.length,args=Array(_len),_key=0;_key<_len;_key++)args[_key]=arguments[_key];callback.apply(this,args)}}}function noop(){}function isRequest(stream){return stream.setHeader&&"function"==typeof stream.abort}function eos(stream,opts,callback){if("function"==typeof opts)return eos(stream,null,opts);opts||(opts={}),callback=once(callback||noop);var readable=opts.readable||!1!==opts.readable&&stream.readable,writable=opts.writable||!1!==opts.writable&&stream.writable,onlegacyfinish=function onlegacyfinish(){stream.writable||onfinish()},writableEnded=stream._writableState&&stream._writableState.finished,onfinish=function onfinish(){writable=!1,writableEnded=!0,readable||callback.call(stream)},readableEnded=stream._readableState&&stream._readableState.endEmitted,onend=function onend(){readable=!1,readableEnded=!0,writable||callback.call(stream)},onerror=function onerror(err){callback.call(stream,err)},onclose=function onclose(){var err;return readable&&!readableEnded?(stream._readableState&&stream._readableState.ended||(err=new ERR_STREAM_PREMATURE_CLOSE),callback.call(stream,err)):writable&&!writableEnded?(stream._writableState&&stream._writableState.ended||(err=new ERR_STREAM_PREMATURE_CLOSE),callback.call(stream,err)):void 0},onrequest=function onrequest(){stream.req.on("finish",onfinish)};return isRequest(stream)?(stream.on("complete",onfinish),stream.on("abort",onclose),stream.req?onrequest():stream.on("request",onrequest)):writable&&!stream._writableState&&(stream.on("end",onlegacyfinish),stream.on("close",onlegacyfinish)),stream.on("end",onend),stream.on("finish",onfinish),!1!==opts.error&&stream.on("error",onerror),stream.on("close",onclose),function(){stream.removeListener("complete",onfinish),stream.removeListener("abort",onclose),stream.removeListener("request",onrequest),stream.req&&stream.req.removeListener("finish",onfinish),stream.removeListener("end",onlegacyfinish),stream.removeListener("close",onlegacyfinish),stream.removeListener("finish",onfinish),stream.removeListener("end",onend),stream.removeListener("error",onerror),stream.removeListener("close",onclose)}}var ERR_STREAM_PREMATURE_CLOSE=require("../../../errors").codes.ERR_STREAM_PREMATURE_CLOSE;module.exports=eos},{"../../../errors":267}],277:[function(require,module,exports){module.exports=function(){throw new Error("Readable.from is not available in the browser")}},{}],278:[function(require,module,exports){"use strict";function once(callback){var called=!1;return function(){called||(called=!0,callback.apply(void 0,arguments))}}function noop(err){if(err)throw err}function isRequest(stream){return stream.setHeader&&"function"==typeof stream.abort}function destroyer(stream,reading,writing,callback){callback=once(callback);var closed=!1;stream.on("close",function(){closed=!0}),eos===void 0&&(eos=require("./end-of-stream")),eos(stream,{readable:reading,writable:writing},function(err){return err?callback(err):void(closed=!0,callback())});var destroyed=!1;return function(err){if(!closed)return destroyed?void 0:(destroyed=!0,isRequest(stream)?stream.abort():"function"==typeof stream.destroy?stream.destroy():void callback(err||new ERR_STREAM_DESTROYED("pipe")))}}function call(fn){fn()}function pipe(from,to){return from.pipe(to)}function popCallback(streams){return streams.length?"function"==typeof streams[streams.length-1]?streams.pop():noop:noop}function pipeline(){for(var _len=arguments.length,streams=Array(_len),_key=0;_key<_len;_key++)streams[_key]=arguments[_key];var callback=popCallback(streams);if(Array.isArray(streams[0])&&(streams=streams[0]),2>streams.length)throw new ERR_MISSING_ARGS("streams");var destroys=streams.map(function(stream,i){var reading=i<streams.length-1,writing=0<i;return destroyer(stream,reading,writing,function(err){error||(error=err),err&&destroys.forEach(call),reading||(destroys.forEach(call),callback(error))})}),error;return streams.reduce(pipe)}var _require$codes=require("../../../errors").codes,ERR_MISSING_ARGS=_require$codes.ERR_MISSING_ARGS,ERR_STREAM_DESTROYED=_require$codes.ERR_STREAM_DESTROYED,eos;module.exports=pipeline},{"../../../errors":267,"./end-of-stream":276}],279:[function(require,module,exports){"use strict";function highWaterMarkFrom(options,isDuplex,duplexKey){return null==options.highWaterMark?isDuplex?options[duplexKey]:null:options.highWaterMark}function getHighWaterMark(state,options,duplexKey,isDuplex){var hwm=highWaterMarkFrom(options,isDuplex,duplexKey);if(null!=hwm){if(!(isFinite(hwm)&&_Mathfloor(hwm)===hwm)||0>hwm){var name=isDuplex?duplexKey:"highWaterMark";throw new ERR_INVALID_OPT_VALUE(name,hwm)}return _Mathfloor(hwm)}return state.objectMode?16:16384}var ERR_INVALID_OPT_VALUE=require("../../../errors").codes.ERR_INVALID_OPT_VALUE;module.exports={getHighWaterMark:getHighWaterMark}},{"../../../errors":267}],280:[function(require,module,exports){module.exports=require("events").EventEmitter},{events:156}],281:[function(require,module,exports){exports=module.exports=require("./lib/_stream_readable.js"),exports.Stream=exports,exports.Readable=exports,exports.Writable=require("./lib/_stream_writable.js"),exports.Duplex=require("./lib/_stream_duplex.js"),exports.Transform=require("./lib/_stream_transform.js"),exports.PassThrough=require("./lib/_stream_passthrough.js"),exports.finished=require("./lib/internal/streams/end-of-stream.js"),exports.pipeline=require("./lib/internal/streams/pipeline.js")},{"./lib/_stream_duplex.js":268,"./lib/_stream_passthrough.js":269,"./lib/_stream_readable.js":270,"./lib/_stream_transform.js":271,"./lib/_stream_writable.js":272,"./lib/internal/streams/end-of-stream.js":276,"./lib/internal/streams/pipeline.js":278}],282:[function(require,module,exports){function RecordSet(){this.list=[],this.map=new Map}function RecordStore(){this.records=new Map,this.size=0}function RecordCache(opts){if(!(this instanceof RecordCache))return new RecordCache(opts);if(opts||(opts={}),this.maxSize=opts.maxSize||1/0,this.maxAge=opts.maxAge||0,this._onstale=opts.onStale||opts.onstale||null,this._fresh=new RecordStore,this._stale=new RecordStore,this._interval=null,this._gced=!1,this.maxAge&&this.maxAge<1/0){var tick=_Mathceil(2/3*this.maxAge);this._interval=setInterval(this._gcAuto.bind(this),tick),this._interval.unref&&this._interval.unref()}}function toString(record){return b4a.isBuffer(record)?b4a.toString(record,"hex"):record}function swap(list,a,b){var tmp=list[a];tmp.index=b,list[b].index=a,list[a]=list[b],list[b]=tmp}const b4a=require("b4a");var EMPTY=[];module.exports=RecordCache,RecordSet.prototype.add=function(record,value){var k=toString(record),r=this.map.get(k);return!r&&(r={index:this.list.length,record:value||record},this.list.push(r),this.map.set(k,r),!0)},RecordSet.prototype.remove=function(record){var k=toString(record),r=this.map.get(k);return!!r&&(swap(this.list,r.index,this.list.length-1),this.list.pop(),this.map.delete(k),!0)},RecordStore.prototype.add=function(name,record,value){var r=this.records.get(name);return r||(r=new RecordSet,this.records.set(name,r)),!!r.add(record,value)&&(this.size++,!0)},RecordStore.prototype.remove=function(name,record,value){var r=this.records.get(name);return!!r&&!!r.remove(record,value)&&(this.size--,r.map.size||this.records.delete(name),!0)},RecordStore.prototype.get=function(name){var r=this.records.get(name);return r?r.list:EMPTY},Object.defineProperty(RecordCache.prototype,"size",{get:function(){return this._fresh.size+this._stale.size}}),RecordCache.prototype.add=function(name,record,value){this._stale.remove(name,record,value),this._fresh.add(name,record,value)&&this._fresh.size>this.maxSize&&this._gc()},RecordCache.prototype.remove=function(name,record,value){this._fresh.remove(name,record,value),this._stale.remove(name,record,value)},RecordCache.prototype.get=function(name,n){var a=this._fresh.get(name),b=this._stale.get(name),aLen=a.length,bLen=b.length,len=aLen+bLen;(n>len||!n)&&(n=len);for(var result=Array(n),i=0,j;i<n;i++)j=_Mathfloor(Math.random()*(aLen+bLen)),j<aLen?(result[i]=a[j].record,swap(a,j,--aLen)):(j-=aLen,result[i]=b[j].record,swap(b,j,--bLen));return result},RecordCache.prototype._gcAuto=function(){this._gced||this._gc(),this._gced=!1},RecordCache.prototype._gc=function(){this._onstale&&0<this._stale.size&&this._onstale(this._stale),this._stale=this._fresh,this._fresh=new RecordStore,this._gced=!0},RecordCache.prototype.clear=function(){this._gc(),this._gc()},RecordCache.prototype.destroy=function(){this.clear(),clearInterval(this._interval),this._interval=null}},{b4a:37}],283:[function(require,module,exports){function render(file,elem,opts,cb){"function"==typeof opts&&(cb=opts,opts={}),opts||(opts={}),cb||(cb=()=>{}),validateFile(file),parseOpts(opts),"string"==typeof elem&&(elem=document.querySelector(elem)),renderMedia(file,tagName=>{if(elem.nodeName!==tagName.toUpperCase()){const extname=path.extname(file.name).toLowerCase();throw new Error(`Cannot render "${extname}" inside a "${elem.nodeName.toLowerCase()}" element, expected "${tagName}"`)}return("video"===tagName||"audio"===tagName)&&setMediaOpts(elem,opts),elem},opts,cb)}function append(file,rootElem,opts,cb){function getElem(tagName){return"video"===tagName||"audio"===tagName?createMedia(tagName):createElem(tagName)}function createMedia(tagName){const elem=createElem(tagName);return setMediaOpts(elem,opts),rootElem.appendChild(elem),elem}function createElem(tagName){const elem=document.createElement(tagName);return rootElem.appendChild(elem),elem}function done(err,elem){err&&elem&&elem.remove(),cb(err,elem)}if("function"==typeof opts&&(cb=opts,opts={}),opts||(opts={}),cb||(cb=()=>{}),validateFile(file),parseOpts(opts),"string"==typeof rootElem&&(rootElem=document.querySelector(rootElem)),rootElem&&("VIDEO"===rootElem.nodeName||"AUDIO"===rootElem.nodeName))throw new Error("Invalid video/audio node argument. Argument must be root element that video/audio tag will be appended to.");renderMedia(file,getElem,opts,done)}function renderMedia(file,getElem,opts,cb){function renderMediaSource(){function useVideostream(){debug(`Use \`videostream\` package for ${file.name}`),prepareElem(),elem.addEventListener("error",fallbackToMediaSource),elem.addEventListener("loadstart",onLoadStart),elem.addEventListener("loadedmetadata",onLoadedMetadata),new VideoStream(file,elem)}function useMediaSource(){debug(`Use MediaSource API for ${file.name}`),prepareElem(),elem.addEventListener("error",fallbackToBlobURL),elem.addEventListener("loadstart",onLoadStart),elem.addEventListener("loadedmetadata",onLoadedMetadata);const wrapper=new MediaElementWrapper(elem),writable=wrapper.createWriteStream(getCodec(file.name));file.createReadStream().pipe(writable),currentTime&&(elem.currentTime=currentTime)}function useBlobURL(){debug(`Use Blob URL for ${file.name}`),prepareElem(),elem.addEventListener("error",fatalError),elem.addEventListener("loadstart",onLoadStart),elem.addEventListener("loadedmetadata",onLoadedMetadata),getBlobURL(file,(err,url)=>err?fatalError(err):void(elem.src=url,currentTime&&(elem.currentTime=currentTime)))}function fallbackToMediaSource(err){debug("videostream error: fallback to MediaSource API: %o",err.message||err),elem.removeEventListener("error",fallbackToMediaSource),elem.removeEventListener("loadedmetadata",onLoadedMetadata),useMediaSource()}function fallbackToBlobURL(err){debug("MediaSource API error: fallback to Blob URL: %o",err.message||err);checkBlobLength()&&(elem.removeEventListener("error",fallbackToBlobURL),elem.removeEventListener("loadedmetadata",onLoadedMetadata),useBlobURL())}function prepareElem(){elem||(elem=getElem(tagName),elem.addEventListener("progress",()=>{currentTime=elem.currentTime}))}const tagName=MEDIASOURCE_VIDEO_EXTS.includes(extname)?"video":"audio";MediaSource?VIDEOSTREAM_EXTS.includes(extname)?useVideostream():useMediaSource():useBlobURL()}function checkBlobLength(){return!("number"==typeof file.length&&file.length>opts.maxBlobLength)||(debug("File length too large for Blob URL approach: %d (max: %d)",file.length,opts.maxBlobLength),fatalError(new Error(`File length too large for Blob URL approach: ${file.length} (max: ${opts.maxBlobLength})`)),!1)}function renderMediaElement(type){checkBlobLength()&&(elem=getElem(type),getBlobURL(file,(err,url)=>err?fatalError(err):void(elem.addEventListener("error",fatalError),elem.addEventListener("loadstart",onLoadStart),elem.addEventListener("loadedmetadata",onLoadedMetadata),elem.src=url)))}function onLoadStart(){if(elem.removeEventListener("loadstart",onLoadStart),opts.autoplay){const playPromise=elem.play();"undefined"!=typeof playPromise&&playPromise.catch(fatalError)}}function onLoadedMetadata(){elem.removeEventListener("loadedmetadata",onLoadedMetadata),cb(null,elem)}function renderImage(){elem=getElem("img"),getBlobURL(file,(err,url)=>err?fatalError(err):void(elem.src=url,elem.alt=file.name,cb(null,elem)))}function renderIframe(){getBlobURL(file,(err,url)=>err?fatalError(err):void(".pdf"===extname?(elem=getElem("object"),elem.setAttribute("typemustmatch",!0),elem.setAttribute("type","application/pdf"),elem.setAttribute("data",url)):(elem=getElem("iframe"),elem.sandbox="allow-forms allow-scripts",elem.src=url),cb(null,elem)))}function tryRenderIframe(){function done(){isAscii(str)?(debug("File extension \"%s\" appears ascii, so will render.",extname),renderIframe()):(debug("File extension \"%s\" appears non-ascii, will not render.",extname),cb(new Error(`Unsupported file type "${extname}": Cannot append to DOM`)))}debug("Unknown file extension \"%s\" - will attempt to render into iframe",extname);let str="";file.createReadStream({start:0,end:1e3}).setEncoding("utf8").on("data",chunk=>{str+=chunk}).on("end",done).on("error",cb)}function fatalError(err){err.message=`Error rendering file "${file.name}": ${err.message}`,debug(err.message),cb(err)}const extname=path.extname(file.name).toLowerCase();let currentTime=0,elem;MEDIASOURCE_EXTS.includes(extname)?renderMediaSource():VIDEO_EXTS.includes(extname)?renderMediaElement("video"):AUDIO_EXTS.includes(extname)?renderMediaElement("audio"):IMAGE_EXTS.includes(extname)?renderImage():IFRAME_EXTS.includes(extname)?renderIframe():tryRenderIframe()}function getBlobURL(file,cb){const extname=path.extname(file.name).toLowerCase();streamToBlobURL(file.createReadStream(),exports.mime[extname]).then(blobUrl=>cb(null,blobUrl),err=>cb(err))}function validateFile(file){if(null==file)throw new Error("file cannot be null or undefined");if("string"!=typeof file.name)throw new Error("missing or invalid file.name property");if("function"!=typeof file.createReadStream)throw new Error("missing or invalid file.createReadStream property")}function getCodec(name){const extname=path.extname(name).toLowerCase();return{".m4a":"audio/mp4; codecs=\"mp4a.40.5\"",".m4b":"audio/mp4; codecs=\"mp4a.40.5\"",".m4p":"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\""}[extname]}function parseOpts(opts){null==opts.autoplay&&(opts.autoplay=!1),null==opts.muted&&(opts.muted=!1),null==opts.controls&&(opts.controls=!0),null==opts.maxBlobLength&&(opts.maxBlobLength=MAX_BLOB_LENGTH)}function setMediaOpts(elem,opts){elem.autoplay=!!opts.autoplay,elem.muted=!!opts.muted,elem.controls=!!opts.controls}exports.render=render,exports.append=append,exports.mime=require("./lib/mime.json");const debug=require("debug")("render-media"),isAscii=require("is-ascii"),MediaElementWrapper=require("mediasource"),path=require("path"),streamToBlobURL=require("stream-to-blob-url"),VideoStream=require("videostream"),VIDEOSTREAM_EXTS=[".m4a",".m4b",".m4p",".m4v",".mp4"],MEDIASOURCE_VIDEO_EXTS=[".m4v",".mkv",".mp4",".webm"],MEDIASOURCE_AUDIO_EXTS=[".m4a",".m4b",".m4p",".mp3"],MEDIASOURCE_EXTS=[].concat(MEDIASOURCE_VIDEO_EXTS,MEDIASOURCE_AUDIO_EXTS),VIDEO_EXTS=[".mov",".ogv"],AUDIO_EXTS=[".aac",".oga",".ogg",".wav",".flac"],IMAGE_EXTS=[".bmp",".gif",".jpeg",".jpg",".png",".svg"],IFRAME_EXTS=[".css",".html",".js",".md",".pdf",".srt",".txt"],MAX_BLOB_LENGTH=200000000,MediaSource="undefined"!=typeof window&&window.MediaSource},{"./lib/mime.json":284,debug:122,"is-ascii":193,mediasource:212,path:238,"stream-to-blob-url":316,videostream:340}],284:[function(require,module,exports){module.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/x-m4a",".m4b":"audio/mp4",".m4p":"audio/mp4",".m4v":"video/x-m4v",".manifest":"text/cache-manifest",".markdown":"text/x-markdown",".mathml":"application/mathml+xml",".md":"text/x-markdown",".mid":"audio/midi",".midi":"audio/midi",".mov":"video/quicktime",".mp3":"audio/mpeg",".mp4":"video/mp4",".mp4v":"video/mp4",".mpeg":"video/mpeg",".mpg":"video/mpeg",".odp":"application/vnd.oasis.opendocument.presentation",".ods":"application/vnd.oasis.opendocument.spreadsheet",".odt":"application/vnd.oasis.opendocument.text",".oga":"audio/ogg",".ogg":"application/ogg",".pdf":"application/pdf",".png":"image/png",".pps":"application/vnd.ms-powerpoint",".ppt":"application/vnd.ms-powerpoint",".ps":"application/postscript",".psd":"image/vnd.adobe.photoshop",".qt":"video/quicktime",".rar":"application/x-rar-compressed",".rdf":"application/rdf+xml",".rss":"application/rss+xml",".rtf":"application/rtf",".svg":"image/svg+xml",".svgz":"image/svg+xml",".swf":"application/x-shockwave-flash",".tar":"application/x-tar",".tbz":"application/x-bzip-compressed-tar",".text":"text/plain",".tif":"image/tiff",".tiff":"image/tiff",".torrent":"application/x-bittorrent",".ttf":"application/x-font-ttf",".txt":"text/plain",".wav":"audio/wav",".webm":"video/webm",".wma":"audio/x-ms-wma",".wmv":"video/x-ms-wmv",".xls":"application/vnd.ms-excel",".xml":"application/xml",".yaml":"text/yaml",".yml":"text/yaml",".zip":"application/zip"}},{}],285:[function(require,module,exports){"use strict";function RIPEMD160(){HashBase.call(this,64),this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878,this._e=3285377520}function rotl(x,n){return x<<n|x>>>32-n}function fn1(a,b,c,d,e,m,k,s){return 0|rotl(0|a+(b^c^d)+m+k,s)+e}function fn2(a,b,c,d,e,m,k,s){return 0|rotl(0|a+(b&c|~b&d)+m+k,s)+e}function fn3(a,b,c,d,e,m,k,s){return 0|rotl(0|a+((b|~c)^d)+m+k,s)+e}function fn4(a,b,c,d,e,m,k,s){return 0|rotl(0|a+(b&d|c&~d)+m+k,s)+e}function fn5(a,b,c,d,e,m,k,s){return 0|rotl(0|a+(b^(c|~d))+m+k,s)+e}var Buffer=require("buffer").Buffer,inherits=require("inherits"),HashBase=require("hash-base"),ARRAY16=Array(16),zl=[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,7,4,13,1,10,6,15,3,12,0,9,5,2,14,11,8,3,10,14,4,9,15,8,1,2,7,0,6,13,11,5,12,1,9,11,10,0,8,12,4,13,3,7,15,14,5,6,2,4,0,5,9,7,12,2,10,14,1,3,8,11,6,15,13],zr=[5,14,7,0,9,2,11,4,13,6,15,8,1,10,3,12,6,11,3,7,0,13,5,10,14,15,8,12,4,9,1,2,15,5,1,3,7,14,6,9,11,8,12,2,10,0,4,13,8,6,4,1,3,11,15,0,5,12,2,13,9,7,10,14,12,15,10,4,1,5,8,7,6,2,13,14,0,3,9,11],sl=[11,14,15,12,5,8,7,9,11,13,14,15,6,7,9,8,7,6,8,13,11,9,7,15,7,12,15,9,11,7,13,12,11,13,6,7,14,9,13,15,14,8,13,6,5,12,7,5,11,12,14,15,14,15,9,8,9,14,5,6,8,6,5,12,9,15,5,11,6,8,13,12,5,12,13,14,11,8,5,6],sr=[8,9,9,11,13,15,15,5,7,7,8,11,14,14,12,6,9,13,15,7,12,8,9,11,7,7,12,7,6,15,13,11,9,7,15,11,8,6,6,14,12,13,5,14,13,13,7,5,15,5,8,11,14,14,6,14,6,9,12,9,12,5,15,8,8,5,12,9,12,5,14,6,8,13,6,5,15,13,11,11],hl=[0,1518500249,1859775393,2400959708,2840853838],hr=[1352829926,1548603684,1836072691,2053994217,0];inherits(RIPEMD160,HashBase),RIPEMD160.prototype._update=function(){for(var words=ARRAY16,j=0;16>j;++j)words[j]=this._block.readInt32LE(4*j);for(var al=0|this._a,bl=0|this._b,cl=0|this._c,dl=0|this._d,el=0|this._e,ar=0|this._a,br=0|this._b,cr=0|this._c,dr=0|this._d,er=0|this._e,i=0;80>i;i+=1){var tl,tr;16>i?(tl=fn1(al,bl,cl,dl,el,words[zl[i]],hl[0],sl[i]),tr=fn5(ar,br,cr,dr,er,words[zr[i]],hr[0],sr[i])):32>i?(tl=fn2(al,bl,cl,dl,el,words[zl[i]],hl[1],sl[i]),tr=fn4(ar,br,cr,dr,er,words[zr[i]],hr[1],sr[i])):48>i?(tl=fn3(al,bl,cl,dl,el,words[zl[i]],hl[2],sl[i]),tr=fn3(ar,br,cr,dr,er,words[zr[i]],hr[2],sr[i])):64>i?(tl=fn4(al,bl,cl,dl,el,words[zl[i]],hl[3],sl[i]),tr=fn2(ar,br,cr,dr,er,words[zr[i]],hr[3],sr[i])):(tl=fn5(al,bl,cl,dl,el,words[zl[i]],hl[4],sl[i]),tr=fn1(ar,br,cr,dr,er,words[zr[i]],hr[4],sr[i])),al=el,el=dl,dl=rotl(cl,10),cl=bl,bl=tl,ar=er,er=dr,dr=rotl(cr,10),cr=br,br=tr}var 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i$847=0,j$848=0,y0$849=0,z0$850=0,y1$851=0,z1$852=0,y2$853=0,z2$854=0,y3$855=0,z3$856=0,y4$857=0,z4$858=0,t0$859=0,t1$860=0;for(y0$849=0|H$843[x$846+320>>2],y1$851=0|H$843[x$846+324>>2],y2$853=0|H$843[x$846+328>>2],y3$855=0|H$843[x$846+332>>2],y4$857=0|H$843[x$846+336>>2],i$847=0;(0|i$847)<(0|k$845);i$847=0|i$847+64){for(z0$850=y0$849,z1$852=y1$851,z2$854=y2$853,z3$856=y3$855,z4$858=y4$857,j$848=0;64>(0|j$848);j$848=0|j$848+4)t1$860=0|H$843[i$847+j$848>>2],t0$859=0|(0|(y0$849<<5|y0$849>>>27)+(y1$851&y2$853|~y1$851&y3$855))+(0|(0|t1$860+y4$857)+1518500249),y4$857=y3$855,y3$855=y2$853,y2$853=y1$851<<30|y1$851>>>2,y1$851=y0$849,y0$849=t0$859,H$843[k$845+j$848>>2]=t1$860;for(j$848=0|k$845+64;(0|j$848)<(0|k$845+80);j$848=0|j$848+4)t1$860=(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])<<1|(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])>>>31,t0$859=0|(0|(y0$849<<5|y0$849>>>27)+(y1$851&y2$853|~y1$851&y3$855))+(0|(0|t1$860+y4$857)+1518500249),y4$857=y3$855,y3$855=y2$853,y2$853=y1$851<<30|y1$851>>>2,y1$851=y0$849,y0$849=t0$859,H$843[j$848>>2]=t1$860;for(j$848=0|k$845+80;(0|j$848)<(0|k$845+160);j$848=0|j$848+4)t1$860=(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])<<1|(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])>>>31,t0$859=0|(0|(y0$849<<5|y0$849>>>27)+(y1$851^y2$853^y3$855))+(0|(0|t1$860+y4$857)+1859775393),y4$857=y3$855,y3$855=y2$853,y2$853=y1$851<<30|y1$851>>>2,y1$851=y0$849,y0$849=t0$859,H$843[j$848>>2]=t1$860;for(j$848=0|k$845+160;(0|j$848)<(0|k$845+240);j$848=0|j$848+4)t1$860=(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])<<1|(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])>>>31,t0$859=0|(0|(y0$849<<5|y0$849>>>27)+(y1$851&y2$853|y1$851&y3$855|y2$853&y3$855))+(0|(0|t1$860+y4$857)-1894007588),y4$857=y3$855,y3$855=y2$853,y2$853=y1$851<<30|y1$851>>>2,y1$851=y0$849,y0$849=t0$859,H$843[j$848>>2]=t1$860;for(j$848=0|k$845+240;(0|j$848)<(0|k$845+320);j$848=0|j$848+4)t1$860=(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])<<1|(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])>>>31,t0$859=0|(0|(y0$849<<5|y0$849>>>27)+(y1$851^y2$853^y3$855))+(0|(0|t1$860+y4$857)-899497514),y4$857=y3$855,y3$855=y2$853,y2$853=y1$851<<30|y1$851>>>2,y1$851=y0$849,y0$849=t0$859,H$843[j$848>>2]=t1$860;y0$849=0|y0$849+z0$850,y1$851=0|y1$851+z1$852,y2$853=0|y2$853+z2$854,y3$855=0|y3$855+z3$856,y4$857=0|y4$857+z4$858}H$843[x$846+320>>2]=y0$849,H$843[x$846+324>>2]=y1$851,H$843[x$846+328>>2]=y2$853,H$843[x$846+332>>2]=y3$855,H$843[x$846+336>>2]=y4$857}var H$843=new stdlib$840.Int32Array(heap$842);return{hash:hash$844}}},function(module,exports){var _this=this,reader=void 0;"undefined"!=typeof self&&"undefined"!=typeof self.FileReaderSync&&(reader=new self.FileReaderSync);var convStr=function(str,H8,H32,start,len,off){var om=off%4,lm=(len+om)%4,j=len-lm,i;switch(om){case 0:H8[off]=str.charCodeAt(start+3);case 1:H8[0|off+1-(om<<1)]=str.charCodeAt(start+2);case 2:H8[0|off+2-(om<<1)]=str.charCodeAt(start+1);case 3:H8[0|off+3-(om<<1)]=str.charCodeAt(start);}if(!(len<lm+(4-om))){for(i=4-om;i<j;i=0|i+4)H32[off+i>>2]=str.charCodeAt(start+i)<<24|str.charCodeAt(start+i+1)<<16|str.charCodeAt(start+i+2)<<8|str.charCodeAt(start+i+3);switch(lm){case 3:H8[0|off+j+1]=str.charCodeAt(start+j+2);case 2:H8[0|off+j+2]=str.charCodeAt(start+j+1);case 1:H8[0|off+j+3]=str.charCodeAt(start+j);}}},convBuf=function(buf,H8,H32,start,len,off){var om=off%4,lm=(len+om)%4,j=len-lm,i;switch(om){case 0:H8[off]=buf[start+3];case 1:H8[0|off+1-(om<<1)]=buf[start+2];case 2:H8[0|off+2-(om<<1)]=buf[start+1];case 3:H8[0|off+3-(om<<1)]=buf[start];}if(!(len<lm+(4-om))){for(i=4-om;i<j;i=0|i+4)H32[0|off+i>>2]=buf[start+i]<<24|buf[start+i+1]<<16|buf[start+i+2]<<8|buf[start+i+3];switch(lm){case 3:H8[0|off+j+1]=buf[start+j+2];case 2:H8[0|off+j+2]=buf[start+j+1];case 1:H8[0|off+j+3]=buf[start+j];}}},convBlob=function(blob,H8,H32,start,len,off){var i=void 0,om=off%4,lm=(len+om)%4,j=len-lm,buf=new Uint8Array(reader.readAsArrayBuffer(blob.slice(start,start+len)));switch(om){case 0:H8[off]=buf[3];case 1:H8[0|off+1-(om<<1)]=buf[2];case 2:H8[0|off+2-(om<<1)]=buf[1];case 3:H8[0|off+3-(om<<1)]=buf[0];}if(!(len<lm+(4-om))){for(i=4-om;i<j;i=0|i+4)H32[0|off+i>>2]=buf[i]<<24|buf[i+1]<<16|buf[i+2]<<8|buf[i+3];switch(lm){case 3:H8[0|off+j+1]=buf[j+2];case 2:H8[0|off+j+2]=buf[j+1];case 1:H8[0|off+j+3]=buf[j];}}};module.exports=function(data,H8,H32,start,len,off){if("string"==typeof data)return convStr(data,H8,H32,start,len,off);if(data instanceof Array)return convBuf(data,H8,H32,start,len,off);if(_this&&_this.Buffer&&_this.Buffer.isBuffer(data))return convBuf(data,H8,H32,start,len,off);if(data instanceof ArrayBuffer)return convBuf(new Uint8Array(data),H8,H32,start,len,off);if(data.buffer instanceof ArrayBuffer)return convBuf(new Uint8Array(data.buffer,data.byteOffset,data.byteLength),H8,H32,start,len,off);if(data instanceof Blob)return convBlob(data,H8,H32,start,len,off);throw new Error("Unsupported data type.")}},function(module,exports,__webpack_require__){function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}var _createClass=function(){function defineProperties(target,props){for(var i=0,descriptor;i<props.length;i++)descriptor=props[i],descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}return function(Constructor,protoProps,staticProps){return protoProps&&defineProperties(Constructor.prototype,protoProps),staticProps&&defineProperties(Constructor,staticProps),Constructor}}(),Rusha=__webpack_require__(0),_require=__webpack_require__(1),toHex=_require.toHex,Hash=function(){function Hash(){_classCallCheck(this,Hash),this._rusha=new Rusha,this._rusha.resetState()}return Hash.prototype.update=function update(data){return this._rusha.append(data),this},Hash.prototype.digest=function digest(encoding){var digest=this._rusha.rawEnd().buffer;if(!encoding)return digest;if("hex"===encoding)return toHex(digest);throw new Error("unsupported digest encoding")},_createClass(Hash,[{key:"state",get:function(){return this._rusha.getState()},set:function(state){this._rusha.setState(state)}}]),Hash}();module.exports=function(){return new Hash}}])})},{}],290:[function(require,module,exports){function copyProps(src,dst){for(var key in src)dst[key]=src[key]}function SafeBuffer(arg,encodingOrOffset,length){return Buffer(arg,encodingOrOffset,length)}/*! safe-buffer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */var buffer=require("buffer"),Buffer=buffer.Buffer;Buffer.from&&Buffer.alloc&&Buffer.allocUnsafe&&Buffer.allocUnsafeSlow?module.exports=buffer:(copyProps(buffer,exports),exports.Buffer=SafeBuffer),SafeBuffer.prototype=Object.create(Buffer.prototype),copyProps(Buffer,SafeBuffer),SafeBuffer.from=function(arg,encodingOrOffset,length){if("number"==typeof arg)throw new TypeError("Argument must not be a number");return Buffer(arg,encodingOrOffset,length)},SafeBuffer.alloc=function(size,fill,encoding){if("number"!=typeof size)throw new TypeError("Argument must be a number");var buf=Buffer(size);return void 0===fill?buf.fill(0):"string"==typeof encoding?buf.fill(fill,encoding):buf.fill(fill),buf},SafeBuffer.allocUnsafe=function(size){if("number"!=typeof size)throw new TypeError("Argument must be a number");return Buffer(size)},SafeBuffer.allocUnsafeSlow=function(size){if("number"!=typeof size)throw new TypeError("Argument must be a number");return buffer.SlowBuffer(size)}},{buffer:101}],291:[function(require,module,exports){(function(process){(function(){"use strict";var buffer=require("buffer"),Buffer=buffer.Buffer,safer={},key;for(key in buffer)buffer.hasOwnProperty(key)&&"SlowBuffer"!==key&&"Buffer"!==key&&(safer[key]=buffer[key]);var Safer=safer.Buffer={};for(key in Buffer)Buffer.hasOwnProperty(key)&&"allocUnsafe"!==key&&"allocUnsafeSlow"!==key&&(Safer[key]=Buffer[key]);if(safer.Buffer.prototype=Buffer.prototype,Safer.from&&Safer.from!==Uint8Array.from||(Safer.from=function(value,encodingOrOffset,length){if("number"==typeof value)throw new TypeError("The \"value\" argument must not be of type number. Received type "+typeof value);if(value&&"undefined"==typeof value.length)throw new TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type "+typeof value);return Buffer(value,encodingOrOffset,length)}),Safer.alloc||(Safer.alloc=function(size,fill,encoding){if("number"!=typeof size)throw new TypeError("The \"size\" argument must be of type number. Received type "+typeof size);if(0>size||2147483648<=size)throw new RangeError("The value \""+size+"\" is invalid for option \"size\"");var buf=Buffer(size);return fill&&0!==fill.length?"string"==typeof encoding?buf.fill(fill,encoding):buf.fill(fill):buf.fill(0),buf}),!safer.kStringMaxLength)try{safer.kStringMaxLength=process.binding("buffer").kStringMaxLength}catch(e){}safer.constants||(safer.constants={MAX_LENGTH:safer.kMaxLength},safer.kStringMaxLength&&(safer.constants.MAX_STRING_LENGTH=safer.kStringMaxLength)),module.exports=safer}).call(this)}).call(this,require("_process"))},{_process:246,buffer:101}],292:[function(require,module,exports){function Hash(blockSize,finalSize){this._block=Buffer.alloc(blockSize),this._finalSize=finalSize,this._blockSize=blockSize,this._len=0}var Buffer=require("safe-buffer").Buffer;Hash.prototype.update=function(data,enc){"string"==typeof data&&(enc=enc||"utf8",data=Buffer.from(data,enc));for(var block=this._block,blockSize=this._blockSize,length=data.length,accum=this._len,offset=0;offset<length;){for(var assigned=accum%blockSize,remainder=_Mathmin(length-offset,blockSize-assigned),i=0;i<remainder;i++)block[assigned+i]=data[offset+i];accum+=remainder,offset+=remainder,0==accum%blockSize&&this._update(block)}return this._len+=length,this},Hash.prototype.digest=function(enc){var rem=this._len%this._blockSize;this._block[rem]=128,this._block.fill(0,rem+1),rem>=this._finalSize&&(this._update(this._block),this._block.fill(0));var bits=8*this._len;if(4294967295>=bits)this._block.writeUInt32BE(bits,this._blockSize-4);else{var lowBits=(4294967295&bits)>>>0,highBits=(bits-lowBits)/4294967296;this._block.writeUInt32BE(highBits,this._blockSize-8),this._block.writeUInt32BE(lowBits,this._blockSize-4)}this._update(this._block);var hash=this._hash();return enc?hash.toString(enc):hash},Hash.prototype._update=function(){throw new Error("_update must be implemented by subclass")},module.exports=Hash},{"safe-buffer":290}],293:[function(require,module,exports){var exports=module.exports=function SHA(algorithm){algorithm=algorithm.toLowerCase();var Algorithm=exports[algorithm];if(!Algorithm)throw new Error(algorithm+" is not supported (we accept pull requests)");return new Algorithm};exports.sha=require("./sha"),exports.sha1=require("./sha1"),exports.sha224=require("./sha224"),exports.sha256=require("./sha256"),exports.sha384=require("./sha384"),exports.sha512=require("./sha512")},{"./sha":294,"./sha1":295,"./sha224":296,"./sha256":297,"./sha384":298,"./sha512":299}],294:[function(require,module,exports){function Sha(){this.init(),this._w=W,Hash.call(this,64,56)}function rotl5(num){return num<<5|num>>>27}function rotl30(num){return num<<30|num>>>2}function ft(s,b,c,d){return 0===s?b&c|~b&d:2===s?b&c|b&d|c&d:b^c^d}var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1518500249,1859775393,-1894007588,-899497514],W=Array(80);inherits(Sha,Hash),Sha.prototype.init=function(){return this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878,this._e=3285377520,this},Sha.prototype._update=function(M){for(var W=this._w,a=0|this._a,b=0|this._b,c=0|this._c,d=0|this._d,e=0|this._e,i=0;16>i;++i)W[i]=M.readInt32BE(4*i);for(;80>i;++i)W[i]=W[i-3]^W[i-8]^W[i-14]^W[i-16];for(var j=0;80>j;++j){var s=~~(j/20),t=0|rotl5(a)+ft(s,b,c,d)+e+W[j]+K[s];e=d,d=c,c=rotl30(b),b=a,a=t}this._a=0|a+this._a,this._b=0|b+this._b,this._c=0|c+this._c,this._d=0|d+this._d,this._e=0|e+this._e},Sha.prototype._hash=function(){var H=Buffer.allocUnsafe(20);return H.writeInt32BE(0|this._a,0),H.writeInt32BE(0|this._b,4),H.writeInt32BE(0|this._c,8),H.writeInt32BE(0|this._d,12),H.writeInt32BE(0|this._e,16),H},module.exports=Sha},{"./hash":292,inherits:190,"safe-buffer":290}],295:[function(require,module,exports){function Sha1(){this.init(),this._w=W,Hash.call(this,64,56)}function rotl1(num){return num<<1|num>>>31}function rotl5(num){return num<<5|num>>>27}function rotl30(num){return num<<30|num>>>2}function ft(s,b,c,d){return 0===s?b&c|~b&d:2===s?b&c|b&d|c&d:b^c^d}var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1518500249,1859775393,-1894007588,-899497514],W=Array(80);inherits(Sha1,Hash),Sha1.prototype.init=function(){return this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878,this._e=3285377520,this},Sha1.prototype._update=function(M){for(var W=this._w,a=0|this._a,b=0|this._b,c=0|this._c,d=0|this._d,e=0|this._e,i=0;16>i;++i)W[i]=M.readInt32BE(4*i);for(;80>i;++i)W[i]=rotl1(W[i-3]^W[i-8]^W[i-14]^W[i-16]);for(var j=0;80>j;++j){var s=~~(j/20),t=0|rotl5(a)+ft(s,b,c,d)+e+W[j]+K[s];e=d,d=c,c=rotl30(b),b=a,a=t}this._a=0|a+this._a,this._b=0|b+this._b,this._c=0|c+this._c,this._d=0|d+this._d,this._e=0|e+this._e},Sha1.prototype._hash=function(){var H=Buffer.allocUnsafe(20);return H.writeInt32BE(0|this._a,0),H.writeInt32BE(0|this._b,4),H.writeInt32BE(0|this._c,8),H.writeInt32BE(0|this._d,12),H.writeInt32BE(0|this._e,16),H},module.exports=Sha1},{"./hash":292,inherits:190,"safe-buffer":290}],296:[function(require,module,exports){function Sha224(){this.init(),this._w=W,Hash.call(this,64,56)}var inherits=require("inherits"),Sha256=require("./sha256"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,W=Array(64);inherits(Sha224,Sha256),Sha224.prototype.init=function(){return this._a=3238371032,this._b=914150663,this._c=812702999,this._d=4144912697,this._e=4290775857,this._f=1750603025,this._g=1694076839,this._h=3204075428,this},Sha224.prototype._hash=function(){var H=Buffer.allocUnsafe(28);return H.writeInt32BE(this._a,0),H.writeInt32BE(this._b,4),H.writeInt32BE(this._c,8),H.writeInt32BE(this._d,12),H.writeInt32BE(this._e,16),H.writeInt32BE(this._f,20),H.writeInt32BE(this._g,24),H},module.exports=Sha224},{"./hash":292,"./sha256":297,inherits:190,"safe-buffer":290}],297:[function(require,module,exports){function Sha256(){this.init(),this._w=W,Hash.call(this,64,56)}function ch(x,y,z){return z^x&(y^z)}function maj(x,y,z){return x&y|z&(x|y)}function sigma0(x){return(x>>>2|x<<30)^(x>>>13|x<<19)^(x>>>22|x<<10)}function sigma1(x){return(x>>>6|x<<26)^(x>>>11|x<<21)^(x>>>25|x<<7)}function gamma0(x){return(x>>>7|x<<25)^(x>>>18|x<<14)^x>>>3}function gamma1(x){return(x>>>17|x<<15)^(x>>>19|x<<13)^x>>>10}var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298],W=Array(64);inherits(Sha256,Hash),Sha256.prototype.init=function(){return this._a=1779033703,this._b=3144134277,this._c=1013904242,this._d=2773480762,this._e=1359893119,this._f=2600822924,this._g=528734635,this._h=1541459225,this},Sha256.prototype._update=function(M){for(var W=this._w,a=0|this._a,b=0|this._b,c=0|this._c,d=0|this._d,e=0|this._e,f=0|this._f,g=0|this._g,h=0|this._h,i=0;16>i;++i)W[i]=M.readInt32BE(4*i);for(;64>i;++i)W[i]=0|gamma1(W[i-2])+W[i-7]+gamma0(W[i-15])+W[i-16];for(var j=0;64>j;++j){var T1=0|h+sigma1(e)+ch(e,f,g)+K[j]+W[j],T2=0|sigma0(a)+maj(a,b,c);h=g,g=f,f=e,e=0|d+T1,d=c,c=b,b=a,a=0|T1+T2}this._a=0|a+this._a,this._b=0|b+this._b,this._c=0|c+this._c,this._d=0|d+this._d,this._e=0|e+this._e,this._f=0|f+this._f,this._g=0|g+this._g,this._h=0|h+this._h},Sha256.prototype._hash=function(){var H=Buffer.allocUnsafe(32);return H.writeInt32BE(this._a,0),H.writeInt32BE(this._b,4),H.writeInt32BE(this._c,8),H.writeInt32BE(this._d,12),H.writeInt32BE(this._e,16),H.writeInt32BE(this._f,20),H.writeInt32BE(this._g,24),H.writeInt32BE(this._h,28),H},module.exports=Sha256},{"./hash":292,inherits:190,"safe-buffer":290}],298:[function(require,module,exports){function Sha384(){this.init(),this._w=W,Hash.call(this,128,112)}var inherits=require("inherits"),SHA512=require("./sha512"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,W=Array(160);inherits(Sha384,SHA512),Sha384.prototype.init=function(){return this._ah=3418070365,this._bh=1654270250,this._ch=2438529370,this._dh=355462360,this._eh=1731405415,this._fh=2394180231,this._gh=3675008525,this._hh=1203062813,this._al=3238371032,this._bl=914150663,this._cl=812702999,this._dl=4144912697,this._el=4290775857,this._fl=1750603025,this._gl=1694076839,this._hl=3204075428,this},Sha384.prototype._hash=function(){function writeInt64BE(h,l,offset){H.writeInt32BE(h,offset),H.writeInt32BE(l,offset+4)}var H=Buffer.allocUnsafe(48);return writeInt64BE(this._ah,this._al,0),writeInt64BE(this._bh,this._bl,8),writeInt64BE(this._ch,this._cl,16),writeInt64BE(this._dh,this._dl,24),writeInt64BE(this._eh,this._el,32),writeInt64BE(this._fh,this._fl,40),H},module.exports=Sha384},{"./hash":292,"./sha512":299,inherits:190,"safe-buffer":290}],299:[function(require,module,exports){function Sha512(){this.init(),this._w=W,Hash.call(this,128,112)}function Ch(x,y,z){return z^x&(y^z)}function maj(x,y,z){return x&y|z&(x|y)}function sigma0(x,xl){return(x>>>28|xl<<4)^(xl>>>2|x<<30)^(xl>>>7|x<<25)}function sigma1(x,xl){return(x>>>14|xl<<18)^(x>>>18|xl<<14)^(xl>>>9|x<<23)}function Gamma0(x,xl){return(x>>>1|xl<<31)^(x>>>8|xl<<24)^x>>>7}function Gamma0l(x,xl){return(x>>>1|xl<<31)^(x>>>8|xl<<24)^(x>>>7|xl<<25)}function Gamma1(x,xl){return(x>>>19|xl<<13)^(xl>>>29|x<<3)^x>>>6}function Gamma1l(x,xl){return(x>>>19|xl<<13)^(xl>>>29|x<<3)^(x>>>6|xl<<26)}function getCarry(a,b){return a>>>0<b>>>0?1:0}var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1116352408,3609767458,1899447441,602891725,3049323471,3964484399,3921009573,2173295548,961987163,4081628472,1508970993,3053834265,2453635748,2937671579,2870763221,3664609560,3624381080,2734883394,310598401,1164996542,607225278,1323610764,1426881987,3590304994,1925078388,4068182383,2162078206,991336113,2614888103,633803317,3248222580,3479774868,3835390401,2666613458,4022224774,944711139,264347078,2341262773,604807628,2007800933,770255983,1495990901,1249150122,1856431235,1555081692,3175218132,1996064986,2198950837,2554220882,3999719339,2821834349,766784016,2952996808,2566594879,3210313671,3203337956,3336571891,1034457026,3584528711,2466948901,113926993,3758326383,338241895,168717936,666307205,1188179964,773529912,1546045734,1294757372,1522805485,1396182291,2643833823,1695183700,2343527390,1986661051,1014477480,2177026350,1206759142,2456956037,344077627,2730485921,1290863460,2820302411,3158454273,3259730800,3505952657,3345764771,106217008,3516065817,3606008344,3600352804,1432725776,4094571909,1467031594,275423344,851169720,430227734,3100823752,506948616,1363258195,659060556,3750685593,883997877,3785050280,958139571,3318307427,1322822218,3812723403,1537002063,2003034995,1747873779,3602036899,1955562222,1575990012,2024104815,1125592928,2227730452,2716904306,2361852424,442776044,2428436474,593698344,2756734187,3733110249,3204031479,2999351573,3329325298,3815920427,3391569614,3928383900,3515267271,566280711,3940187606,3454069534,4118630271,4000239992,116418474,1914138554,174292421,2731055270,289380356,3203993006,460393269,320620315,685471733,587496836,852142971,1086792851,1017036298,365543100,1126000580,2618297676,1288033470,3409855158,1501505948,4234509866,1607167915,987167468,1816402316,1246189591],W=Array(160);inherits(Sha512,Hash),Sha512.prototype.init=function(){return this._ah=1779033703,this._bh=3144134277,this._ch=1013904242,this._dh=2773480762,this._eh=1359893119,this._fh=2600822924,this._gh=528734635,this._hh=1541459225,this._al=4089235720,this._bl=2227873595,this._cl=4271175723,this._dl=1595750129,this._el=2917565137,this._fl=725511199,this._gl=4215389547,this._hl=327033209,this},Sha512.prototype._update=function(M){for(var W=this._w,ah=0|this._ah,bh=0|this._bh,ch=0|this._ch,dh=0|this._dh,eh=0|this._eh,fh=0|this._fh,gh=0|this._gh,hh=0|this._hh,al=0|this._al,bl=0|this._bl,cl=0|this._cl,dl=0|this._dl,el=0|this._el,fl=0|this._fl,gl=0|this._gl,hl=0|this._hl,i=0;32>i;i+=2)W[i]=M.readInt32BE(4*i),W[i+1]=M.readInt32BE(4*i+4);for(;160>i;i+=2){var xh=W[i-30],xl=W[i-30+1],gamma0=Gamma0(xh,xl),gamma0l=Gamma0l(xl,xh);xh=W[i-4],xl=W[i-4+1];var gamma1=Gamma1(xh,xl),gamma1l=Gamma1l(xl,xh),Wi7h=W[i-14],Wi7l=W[i-14+1],Wi16h=W[i-32],Wi16l=W[i-32+1],Wil=0|gamma0l+Wi7l,Wih=0|gamma0+Wi7h+getCarry(Wil,gamma0l);Wil=0|Wil+gamma1l,Wih=0|Wih+gamma1+getCarry(Wil,gamma1l),Wil=0|Wil+Wi16l,Wih=0|Wih+Wi16h+getCarry(Wil,Wi16l),W[i]=Wih,W[i+1]=Wil}for(var j=0;160>j;j+=2){Wih=W[j],Wil=W[j+1];var majh=maj(ah,bh,ch),majl=maj(al,bl,cl),sigma0h=sigma0(ah,al),sigma0l=sigma0(al,ah),sigma1h=sigma1(eh,el),sigma1l=sigma1(el,eh),Kih=K[j],Kil=K[j+1],chh=Ch(eh,fh,gh),chl=Ch(el,fl,gl),t1l=0|hl+sigma1l,t1h=0|hh+sigma1h+getCarry(t1l,hl);t1l=0|t1l+chl,t1h=0|t1h+chh+getCarry(t1l,chl),t1l=0|t1l+Kil,t1h=0|t1h+Kih+getCarry(t1l,Kil),t1l=0|t1l+Wil,t1h=0|t1h+Wih+getCarry(t1l,Wil);var t2l=0|sigma0l+majl,t2h=0|sigma0h+majh+getCarry(t2l,sigma0l);hh=gh,hl=gl,gh=fh,gl=fl,fh=eh,fl=el,el=0|dl+t1l,eh=0|dh+t1h+getCarry(el,dl),dh=ch,dl=cl,ch=bh,cl=bl,bh=ah,bl=al,al=0|t1l+t2l,ah=0|t1h+t2h+getCarry(al,t1l)}this._al=0|this._al+al,this._bl=0|this._bl+bl,this._cl=0|this._cl+cl,this._dl=0|this._dl+dl,this._el=0|this._el+el,this._fl=0|this._fl+fl,this._gl=0|this._gl+gl,this._hl=0|this._hl+hl,this._ah=0|this._ah+ah+getCarry(this._al,al),this._bh=0|this._bh+bh+getCarry(this._bl,bl),this._ch=0|this._ch+ch+getCarry(this._cl,cl),this._dh=0|this._dh+dh+getCarry(this._dl,dl),this._eh=0|this._eh+eh+getCarry(this._el,el),this._fh=0|this._fh+fh+getCarry(this._fl,fl),this._gh=0|this._gh+gh+getCarry(this._gl,gl),this._hh=0|this._hh+hh+getCarry(this._hl,hl)},Sha512.prototype._hash=function(){function writeInt64BE(h,l,offset){H.writeInt32BE(h,offset),H.writeInt32BE(l,offset+4)}var H=Buffer.allocUnsafe(64);return writeInt64BE(this._ah,this._al,0),writeInt64BE(this._bh,this._bl,8),writeInt64BE(this._ch,this._cl,16),writeInt64BE(this._dh,this._dl,24),writeInt64BE(this._eh,this._el,32),writeInt64BE(this._fh,this._fl,40),writeInt64BE(this._gh,this._gl,48),writeInt64BE(this._hh,this._hl,56),H},module.exports=Sha512},{"./hash":292,inherits:190,"safe-buffer":290}],300:[function(require,module,exports){(function(Buffer){(function(){/*! simple-concat. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */module.exports=function(stream,cb){var chunks=[];stream.on("data",function(chunk){chunks.push(chunk)}),stream.once("end",function(){cb&&cb(null,Buffer.concat(chunks)),cb=null}),stream.once("error",function(err){cb&&cb(err),cb=null})}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:101}],301:[function(require,module,exports){(function(Buffer){(function(){function simpleGet(opts,cb){if(opts=Object.assign({maxRedirects:10},"string"==typeof opts?{url:opts}:opts),cb=once(cb),opts.url){const{hostname,port,protocol,auth,path}=url.parse(opts.url);delete opts.url,hostname||port||protocol||auth?Object.assign(opts,{hostname,port,protocol,auth,path}):opts.path=path}const headers={"accept-encoding":"gzip, deflate"};opts.headers&&Object.keys(opts.headers).forEach(k=>headers[k.toLowerCase()]=opts.headers[k]),opts.headers=headers;let body;opts.body?body=opts.json&&!isStream(opts.body)?JSON.stringify(opts.body):opts.body:opts.form&&(body="string"==typeof opts.form?opts.form:querystring.stringify(opts.form),opts.headers["content-type"]="application/x-www-form-urlencoded"),body&&(!opts.method&&(opts.method="POST"),!isStream(body)&&(opts.headers["content-length"]=Buffer.byteLength(body)),opts.json&&!opts.form&&(opts.headers["content-type"]="application/json")),delete opts.body,delete opts.form,opts.json&&(opts.headers.accept="application/json"),opts.method&&(opts.method=opts.method.toUpperCase());const originalHost=opts.hostname,protocol="https:"===opts.protocol?https:http,req=protocol.request(opts,res=>{if(!1!==opts.followRedirects&&300<=res.statusCode&&400>res.statusCode&&res.headers.location){opts.url=res.headers.location,delete opts.headers.host,res.resume();const redirectHost=url.parse(opts.url).hostname;return null!==redirectHost&&redirectHost!==originalHost&&(delete opts.headers.cookie,delete opts.headers.authorization),"POST"===opts.method&&[301,302].includes(res.statusCode)&&(opts.method="GET",delete opts.headers["content-length"],delete opts.headers["content-type"]),0==opts.maxRedirects--?cb(new Error("too many redirects")):simpleGet(opts,cb)}const tryUnzip="function"==typeof decompressResponse&&"HEAD"!==opts.method;cb(null,tryUnzip?decompressResponse(res):res)});return req.on("timeout",()=>{req.abort(),cb(new Error("Request timed out"))}),req.on("error",cb),isStream(body)?body.on("error",cb).pipe(req):req.end(body),req}module.exports=simpleGet;const concat=require("simple-concat"),decompressResponse=require("decompress-response"),http=require("http"),https=require("https"),once=require("once"),querystring=require("querystring"),url=require("url"),isStream=o=>null!==o&&"object"==typeof o&&"function"==typeof o.pipe;simpleGet.concat=(opts,cb)=>simpleGet(opts,(err,res)=>err?cb(err):void concat(res,(err,data)=>{if(err)return cb(err);if(opts.json)try{data=JSON.parse(data.toString())}catch(err){return cb(err,res,data)}cb(null,res,data)})),["get","post","put","patch","head","delete"].forEach(method=>{simpleGet[method]=(opts,cb)=>("string"==typeof opts&&(opts={url:opts}),simpleGet(Object.assign({method:method.toUpperCase()},opts),cb))})}).call(this)}).call(this,require("buffer").Buffer)},{buffer:101,"decompress-response":66,http:312,https:187,once:231,querystring:258,"simple-concat":300,url:331}],302:[function(require,module,exports){function filterTrickle(sdp){return sdp.replace(/a=ice-options:trickle\s\n/g,"")}function warn(message){console.warn(message)}/*! simple-peer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */const debug=require("debug")("simple-peer"),getBrowserRTC=require("get-browser-rtc"),randombytes=require("randombytes"),stream=require("readable-stream"),queueMicrotask=require("queue-microtask"),errCode=require("err-code"),{Buffer}=require("buffer"),MAX_BUFFERED_AMOUNT=65536,ICECOMPLETE_TIMEOUT=5000,CHANNEL_CLOSING_TIMEOUT=5000;class Peer extends stream.Duplex{constructor(opts){if(opts=Object.assign({allowHalfOpen:!1},opts),super(opts),this._id=randombytes(4).toString("hex").slice(0,7),this._debug("new peer %o",opts),this.channelName=opts.initiator?opts.channelName||randombytes(20).toString("hex"):null,this.initiator=opts.initiator||!1,this.channelConfig=opts.channelConfig||Peer.channelConfig,this.channelNegotiated=this.channelConfig.negotiated,this.config=Object.assign({},Peer.config,opts.config),this.offerOptions=opts.offerOptions||{},this.answerOptions=opts.answerOptions||{},this.sdpTransform=opts.sdpTransform||(sdp=>sdp),this.streams=opts.streams||(opts.stream?[opts.stream]:[]),this.trickle=void 0===opts.trickle||opts.trickle,this.allowHalfTrickle=void 0!==opts.allowHalfTrickle&&opts.allowHalfTrickle,this.iceCompleteTimeout=opts.iceCompleteTimeout||ICECOMPLETE_TIMEOUT,this.destroyed=!1,this.destroying=!1,this._connected=!1,this.remoteAddress=void 0,this.remoteFamily=void 0,this.remotePort=void 0,this.localAddress=void 0,this.localFamily=void 0,this.localPort=void 0,this._wrtc=opts.wrtc&&"object"==typeof opts.wrtc?opts.wrtc:getBrowserRTC(),!this._wrtc)if("undefined"==typeof window)throw errCode(new Error("No WebRTC support: Specify `opts.wrtc` option in this environment"),"ERR_WEBRTC_SUPPORT");else throw errCode(new Error("No WebRTC support: Not a supported browser"),"ERR_WEBRTC_SUPPORT");this._pcReady=!1,this._channelReady=!1,this._iceComplete=!1,this._iceCompleteTimer=null,this._channel=null,this._pendingCandidates=[],this._isNegotiating=!1,this._firstNegotiation=!0,this._batchedNegotiation=!1,this._queuedNegotiation=!1,this._sendersAwaitingStable=[],this._senderMap=new Map,this._closingInterval=null,this._remoteTracks=[],this._remoteStreams=[],this._chunk=null,this._cb=null,this._interval=null;try{this._pc=new this._wrtc.RTCPeerConnection(this.config)}catch(err){return void this.destroy(errCode(err,"ERR_PC_CONSTRUCTOR"))}this._isReactNativeWebrtc="number"==typeof this._pc._peerConnectionId,this._pc.oniceconnectionstatechange=()=>{this._onIceStateChange()},this._pc.onicegatheringstatechange=()=>{this._onIceStateChange()},this._pc.onconnectionstatechange=()=>{this._onConnectionStateChange()},this._pc.onsignalingstatechange=()=>{this._onSignalingStateChange()},this._pc.onicecandidate=event=>{this._onIceCandidate(event)},"object"==typeof this._pc.peerIdentity&&this._pc.peerIdentity.catch(err=>{this.destroy(errCode(err,"ERR_PC_PEER_IDENTITY"))}),this.initiator||this.channelNegotiated?this._setupData({channel:this._pc.createDataChannel(this.channelName,this.channelConfig)}):this._pc.ondatachannel=event=>{this._setupData(event)},this.streams&&this.streams.forEach(stream=>{this.addStream(stream)}),this._pc.ontrack=event=>{this._onTrack(event)},this._debug("initial negotiation"),this._needsNegotiation(),this._onFinishBound=()=>{this._onFinish()},this.once("finish",this._onFinishBound)}get bufferSize(){return this._channel&&this._channel.bufferedAmount||0}get connected(){return this._connected&&"open"===this._channel.readyState}address(){return{port:this.localPort,family:this.localFamily,address:this.localAddress}}signal(data){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot signal after peer is destroyed"),"ERR_DESTROYED");if("string"==typeof data)try{data=JSON.parse(data)}catch(err){data={}}this._debug("signal()"),data.renegotiate&&this.initiator&&(this._debug("got request to renegotiate"),this._needsNegotiation()),data.transceiverRequest&&this.initiator&&(this._debug("got request for transceiver"),this.addTransceiver(data.transceiverRequest.kind,data.transceiverRequest.init)),data.candidate&&(this._pc.remoteDescription&&this._pc.remoteDescription.type?this._addIceCandidate(data.candidate):this._pendingCandidates.push(data.candidate)),data.sdp&&this._pc.setRemoteDescription(new this._wrtc.RTCSessionDescription(data)).then(()=>{this.destroyed||(this._pendingCandidates.forEach(candidate=>{this._addIceCandidate(candidate)}),this._pendingCandidates=[],"offer"===this._pc.remoteDescription.type&&this._createAnswer())}).catch(err=>{this.destroy(errCode(err,"ERR_SET_REMOTE_DESCRIPTION"))}),data.sdp||data.candidate||data.renegotiate||data.transceiverRequest||this.destroy(errCode(new Error("signal() called with invalid signal data"),"ERR_SIGNALING"))}}_addIceCandidate(candidate){const iceCandidateObj=new this._wrtc.RTCIceCandidate(candidate);this._pc.addIceCandidate(iceCandidateObj).catch(err=>{!iceCandidateObj.address||iceCandidateObj.address.endsWith(".local")?warn("Ignoring unsupported ICE candidate."):this.destroy(errCode(err,"ERR_ADD_ICE_CANDIDATE"))})}send(chunk){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot send after peer is destroyed"),"ERR_DESTROYED");this._channel.send(chunk)}}addTransceiver(kind,init){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot addTransceiver after peer is destroyed"),"ERR_DESTROYED");if(this._debug("addTransceiver()"),this.initiator)try{this._pc.addTransceiver(kind,init),this._needsNegotiation()}catch(err){this.destroy(errCode(err,"ERR_ADD_TRANSCEIVER"))}else this.emit("signal",{type:"transceiverRequest",transceiverRequest:{kind,init}})}}addStream(stream){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot addStream after peer is destroyed"),"ERR_DESTROYED");this._debug("addStream()"),stream.getTracks().forEach(track=>{this.addTrack(track,stream)})}}addTrack(track,stream){if(this.destroying)return;if(this.destroyed)throw errCode(new Error("cannot addTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("addTrack()");const submap=this._senderMap.get(track)||new Map;let sender=submap.get(stream);if(!sender)sender=this._pc.addTrack(track,stream),submap.set(stream,sender),this._senderMap.set(track,submap),this._needsNegotiation();else if(sender.removed)throw errCode(new Error("Track has been removed. You should enable/disable tracks that you want to re-add."),"ERR_SENDER_REMOVED");else throw errCode(new Error("Track has already been added to that stream."),"ERR_SENDER_ALREADY_ADDED")}replaceTrack(oldTrack,newTrack,stream){if(this.destroying)return;if(this.destroyed)throw errCode(new Error("cannot replaceTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("replaceTrack()");const submap=this._senderMap.get(oldTrack),sender=submap?submap.get(stream):null;if(!sender)throw errCode(new Error("Cannot replace track that was never added."),"ERR_TRACK_NOT_ADDED");newTrack&&this._senderMap.set(newTrack,submap),null==sender.replaceTrack?this.destroy(errCode(new Error("replaceTrack is not supported in this browser"),"ERR_UNSUPPORTED_REPLACETRACK")):sender.replaceTrack(newTrack)}removeTrack(track,stream){if(this.destroying)return;if(this.destroyed)throw errCode(new Error("cannot removeTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("removeSender()");const submap=this._senderMap.get(track),sender=submap?submap.get(stream):null;if(!sender)throw errCode(new Error("Cannot remove track that was never added."),"ERR_TRACK_NOT_ADDED");try{sender.removed=!0,this._pc.removeTrack(sender)}catch(err){"NS_ERROR_UNEXPECTED"===err.name?this._sendersAwaitingStable.push(sender):this.destroy(errCode(err,"ERR_REMOVE_TRACK"))}this._needsNegotiation()}removeStream(stream){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot removeStream after peer is destroyed"),"ERR_DESTROYED");this._debug("removeSenders()"),stream.getTracks().forEach(track=>{this.removeTrack(track,stream)})}}_needsNegotiation(){this._debug("_needsNegotiation");this._batchedNegotiation||(this._batchedNegotiation=!0,queueMicrotask(()=>{this._batchedNegotiation=!1,this.initiator||!this._firstNegotiation?(this._debug("starting batched negotiation"),this.negotiate()):this._debug("non-initiator initial negotiation request discarded"),this._firstNegotiation=!1}))}negotiate(){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot negotiate after peer is destroyed"),"ERR_DESTROYED");this.initiator?this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, queueing")):(this._debug("start negotiation"),setTimeout(()=>{this._createOffer()},0)):this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, queueing")):(this._debug("requesting negotiation from initiator"),this.emit("signal",{type:"renegotiate",renegotiate:!0})),this._isNegotiating=!0}}destroy(err){this._destroy(err,()=>{})}_destroy(err,cb){this.destroyed||this.destroying||(this.destroying=!0,this._debug("destroying (error: %s)",err&&(err.message||err)),queueMicrotask(()=>{if(this.destroyed=!0,this.destroying=!1,this._debug("destroy (error: %s)",err&&(err.message||err)),this.readable=this.writable=!1,this._readableState.ended||this.push(null),this._writableState.finished||this.end(),this._connected=!1,this._pcReady=!1,this._channelReady=!1,this._remoteTracks=null,this._remoteStreams=null,this._senderMap=null,clearInterval(this._closingInterval),this._closingInterval=null,clearInterval(this._interval),this._interval=null,this._chunk=null,this._cb=null,this._onFinishBound&&this.removeListener("finish",this._onFinishBound),this._onFinishBound=null,this._channel){try{this._channel.close()}catch(err){}this._channel.onmessage=null,this._channel.onopen=null,this._channel.onclose=null,this._channel.onerror=null}if(this._pc){try{this._pc.close()}catch(err){}this._pc.oniceconnectionstatechange=null,this._pc.onicegatheringstatechange=null,this._pc.onsignalingstatechange=null,this._pc.onicecandidate=null,this._pc.ontrack=null,this._pc.ondatachannel=null}this._pc=null,this._channel=null,err&&this.emit("error",err),this.emit("close"),cb()}))}_setupData(event){if(!event.channel)return this.destroy(errCode(new Error("Data channel event is missing `channel` property"),"ERR_DATA_CHANNEL"));this._channel=event.channel,this._channel.binaryType="arraybuffer","number"==typeof this._channel.bufferedAmountLowThreshold&&(this._channel.bufferedAmountLowThreshold=MAX_BUFFERED_AMOUNT),this.channelName=this._channel.label,this._channel.onmessage=event=>{this._onChannelMessage(event)},this._channel.onbufferedamountlow=()=>{this._onChannelBufferedAmountLow()},this._channel.onopen=()=>{this._onChannelOpen()},this._channel.onclose=()=>{this._onChannelClose()},this._channel.onerror=event=>{const err=event.error instanceof Error?event.error:new Error(`Datachannel error: ${event.message} ${event.filename}:${event.lineno}:${event.colno}`);this.destroy(errCode(err,"ERR_DATA_CHANNEL"))};let isClosing=!1;this._closingInterval=setInterval(()=>{this._channel&&"closing"===this._channel.readyState?(isClosing&&this._onChannelClose(),isClosing=!0):isClosing=!1},CHANNEL_CLOSING_TIMEOUT)}_read(){}_write(chunk,encoding,cb){if(this.destroyed)return cb(errCode(new Error("cannot write after peer is destroyed"),"ERR_DATA_CHANNEL"));if(this._connected){try{this.send(chunk)}catch(err){return this.destroy(errCode(err,"ERR_DATA_CHANNEL"))}this._channel.bufferedAmount>MAX_BUFFERED_AMOUNT?(this._debug("start backpressure: bufferedAmount %d",this._channel.bufferedAmount),this._cb=cb):cb(null)}else this._debug("write before connect"),this._chunk=chunk,this._cb=cb}_onFinish(){if(!this.destroyed){const destroySoon=()=>{setTimeout(()=>this.destroy(),1e3)};this._connected?destroySoon():this.once("connect",destroySoon)}}_startIceCompleteTimeout(){this.destroyed||this._iceCompleteTimer||(this._debug("started iceComplete timeout"),this._iceCompleteTimer=setTimeout(()=>{this._iceComplete||(this._iceComplete=!0,this._debug("iceComplete timeout completed"),this.emit("iceTimeout"),this.emit("_iceComplete"))},this.iceCompleteTimeout))}_createOffer(){this.destroyed||this._pc.createOffer(this.offerOptions).then(offer=>{if(this.destroyed)return;this.trickle||this.allowHalfTrickle||(offer.sdp=filterTrickle(offer.sdp)),offer.sdp=this.sdpTransform(offer.sdp);const sendOffer=()=>{if(!this.destroyed){const signal=this._pc.localDescription||offer;this._debug("signal"),this.emit("signal",{type:signal.type,sdp:signal.sdp})}},onSuccess=()=>{this._debug("createOffer success");this.destroyed||(this.trickle||this._iceComplete?sendOffer():this.once("_iceComplete",sendOffer))},onError=err=>{this.destroy(errCode(err,"ERR_SET_LOCAL_DESCRIPTION"))};this._pc.setLocalDescription(offer).then(onSuccess).catch(onError)}).catch(err=>{this.destroy(errCode(err,"ERR_CREATE_OFFER"))})}_requestMissingTransceivers(){this._pc.getTransceivers&&this._pc.getTransceivers().forEach(transceiver=>{transceiver.mid||!transceiver.sender.track||transceiver.requested||(transceiver.requested=!0,this.addTransceiver(transceiver.sender.track.kind))})}_createAnswer(){this.destroyed||this._pc.createAnswer(this.answerOptions).then(answer=>{if(this.destroyed)return;this.trickle||this.allowHalfTrickle||(answer.sdp=filterTrickle(answer.sdp)),answer.sdp=this.sdpTransform(answer.sdp);const sendAnswer=()=>{if(!this.destroyed){const signal=this._pc.localDescription||answer;this._debug("signal"),this.emit("signal",{type:signal.type,sdp:signal.sdp}),this.initiator||this._requestMissingTransceivers()}},onSuccess=()=>{this.destroyed||(this.trickle||this._iceComplete?sendAnswer():this.once("_iceComplete",sendAnswer))},onError=err=>{this.destroy(errCode(err,"ERR_SET_LOCAL_DESCRIPTION"))};this._pc.setLocalDescription(answer).then(onSuccess).catch(onError)}).catch(err=>{this.destroy(errCode(err,"ERR_CREATE_ANSWER"))})}_onConnectionStateChange(){this.destroyed||"failed"===this._pc.connectionState&&this.destroy(errCode(new Error("Connection failed."),"ERR_CONNECTION_FAILURE"))}_onIceStateChange(){if(this.destroyed)return;const iceConnectionState=this._pc.iceConnectionState,iceGatheringState=this._pc.iceGatheringState;this._debug("iceStateChange (connection: %s) (gathering: %s)",iceConnectionState,iceGatheringState),this.emit("iceStateChange",iceConnectionState,iceGatheringState),("connected"===iceConnectionState||"completed"===iceConnectionState)&&(this._pcReady=!0,this._maybeReady()),"failed"===iceConnectionState&&this.destroy(errCode(new Error("Ice connection failed."),"ERR_ICE_CONNECTION_FAILURE")),"closed"===iceConnectionState&&this.destroy(errCode(new Error("Ice connection closed."),"ERR_ICE_CONNECTION_CLOSED"))}getStats(cb){const flattenValues=report=>("[object Array]"===Object.prototype.toString.call(report.values)&&report.values.forEach(value=>{Object.assign(report,value)}),report);0===this._pc.getStats.length||this._isReactNativeWebrtc?this._pc.getStats().then(res=>{const reports=[];res.forEach(report=>{reports.push(flattenValues(report))}),cb(null,reports)},err=>cb(err)):0<this._pc.getStats.length?this._pc.getStats(res=>{if(this.destroyed)return;const reports=[];res.result().forEach(result=>{const report={};result.names().forEach(name=>{report[name]=result.stat(name)}),report.id=result.id,report.type=result.type,report.timestamp=result.timestamp,reports.push(flattenValues(report))}),cb(null,reports)},err=>cb(err)):cb(null,[])}_maybeReady(){if(this._debug("maybeReady pc %s channel %s",this._pcReady,this._channelReady),this._connected||this._connecting||!this._pcReady||!this._channelReady)return;this._connecting=!0;const findCandidatePair=()=>{this.destroyed||this.getStats((err,items)=>{if(this.destroyed)return;err&&(items=[]);const remoteCandidates={},localCandidates={},candidatePairs={};let foundSelectedCandidatePair=!1;items.forEach(item=>{("remotecandidate"===item.type||"remote-candidate"===item.type)&&(remoteCandidates[item.id]=item),("localcandidate"===item.type||"local-candidate"===item.type)&&(localCandidates[item.id]=item),("candidatepair"===item.type||"candidate-pair"===item.type)&&(candidatePairs[item.id]=item)});const setSelectedCandidatePair=selectedCandidatePair=>{foundSelectedCandidatePair=!0;let local=localCandidates[selectedCandidatePair.localCandidateId];local&&(local.ip||local.address)?(this.localAddress=local.ip||local.address,this.localPort=+local.port):local&&local.ipAddress?(this.localAddress=local.ipAddress,this.localPort=+local.portNumber):"string"==typeof selectedCandidatePair.googLocalAddress&&(local=selectedCandidatePair.googLocalAddress.split(":"),this.localAddress=local[0],this.localPort=+local[1]),this.localAddress&&(this.localFamily=this.localAddress.includes(":")?"IPv6":"IPv4");let remote=remoteCandidates[selectedCandidatePair.remoteCandidateId];remote&&(remote.ip||remote.address)?(this.remoteAddress=remote.ip||remote.address,this.remotePort=+remote.port):remote&&remote.ipAddress?(this.remoteAddress=remote.ipAddress,this.remotePort=+remote.portNumber):"string"==typeof selectedCandidatePair.googRemoteAddress&&(remote=selectedCandidatePair.googRemoteAddress.split(":"),this.remoteAddress=remote[0],this.remotePort=+remote[1]),this.remoteAddress&&(this.remoteFamily=this.remoteAddress.includes(":")?"IPv6":"IPv4"),this._debug("connect local: %s:%s remote: %s:%s",this.localAddress,this.localPort,this.remoteAddress,this.remotePort)};if(items.forEach(item=>{"transport"===item.type&&item.selectedCandidatePairId&&setSelectedCandidatePair(candidatePairs[item.selectedCandidatePairId]),("googCandidatePair"===item.type&&"true"===item.googActiveConnection||("candidatepair"===item.type||"candidate-pair"===item.type)&&item.selected)&&setSelectedCandidatePair(item)}),!foundSelectedCandidatePair&&(!Object.keys(candidatePairs).length||Object.keys(localCandidates).length))return void setTimeout(findCandidatePair,100);if(this._connecting=!1,this._connected=!0,this._chunk){try{this.send(this._chunk)}catch(err){return this.destroy(errCode(err,"ERR_DATA_CHANNEL"))}this._chunk=null,this._debug("sent chunk from \"write before connect\"");const cb=this._cb;this._cb=null,cb(null)}"number"!=typeof this._channel.bufferedAmountLowThreshold&&(this._interval=setInterval(()=>this._onInterval(),150),this._interval.unref&&this._interval.unref()),this._debug("connect"),this.emit("connect")})};findCandidatePair()}_onInterval(){this._cb&&this._channel&&!(this._channel.bufferedAmount>MAX_BUFFERED_AMOUNT)&&this._onChannelBufferedAmountLow()}_onSignalingStateChange(){this.destroyed||("stable"===this._pc.signalingState&&(this._isNegotiating=!1,this._debug("flushing sender queue",this._sendersAwaitingStable),this._sendersAwaitingStable.forEach(sender=>{this._pc.removeTrack(sender),this._queuedNegotiation=!0}),this._sendersAwaitingStable=[],this._queuedNegotiation?(this._debug("flushing negotiation queue"),this._queuedNegotiation=!1,this._needsNegotiation()):(this._debug("negotiated"),this.emit("negotiated"))),this._debug("signalingStateChange %s",this._pc.signalingState),this.emit("signalingStateChange",this._pc.signalingState))}_onIceCandidate(event){this.destroyed||(event.candidate&&this.trickle?this.emit("signal",{type:"candidate",candidate:{candidate:event.candidate.candidate,sdpMLineIndex:event.candidate.sdpMLineIndex,sdpMid:event.candidate.sdpMid}}):!event.candidate&&!this._iceComplete&&(this._iceComplete=!0,this.emit("_iceComplete")),event.candidate&&this._startIceCompleteTimeout())}_onChannelMessage(event){if(this.destroyed)return;let data=event.data;data instanceof ArrayBuffer&&(data=Buffer.from(data)),this.push(data)}_onChannelBufferedAmountLow(){if(!this.destroyed&&this._cb){this._debug("ending backpressure: bufferedAmount %d",this._channel.bufferedAmount);const cb=this._cb;this._cb=null,cb(null)}}_onChannelOpen(){this._connected||this.destroyed||(this._debug("on channel open"),this._channelReady=!0,this._maybeReady())}_onChannelClose(){this.destroyed||(this._debug("on channel close"),this.destroy())}_onTrack(event){this.destroyed||event.streams.forEach(eventStream=>{this._debug("on track"),this.emit("track",event.track,eventStream),this._remoteTracks.push({track:event.track,stream:eventStream});this._remoteStreams.some(remoteStream=>remoteStream.id===eventStream.id)||(this._remoteStreams.push(eventStream),queueMicrotask(()=>{this._debug("on stream"),this.emit("stream",eventStream)}))})}_debug(){const args=[].slice.call(arguments);args[0]="["+this._id+"] "+args[0],debug.apply(null,args)}}Peer.WEBRTC_SUPPORT=!!getBrowserRTC(),Peer.config={iceServers:[{urls:["stun:stun.l.google.com:19302","stun:global.stun.twilio.com:3478"]}],sdpSemantics:"unified-plan"},Peer.channelConfig={},module.exports=Peer},{buffer:101,debug:122,"err-code":153,"get-browser-rtc":166,"queue-microtask":259,randombytes:262,"readable-stream":281}],303:[function(require,module,exports){function sha1sync(buf){return rusha.digest(buf)}function sha1(buf,cb){return subtle?void("string"==typeof buf&&(buf=uint8array(buf)),subtle.digest({name:"sha-1"},buf).then(function succeed(result){cb(hex(new Uint8Array(result)))},function fail(){cb(sha1sync(buf))})):void("undefined"==typeof window?queueMicrotask(()=>cb(sha1sync(buf))):rushaWorkerSha1(buf,function onRushaWorkerSha1(err,hash){return err?void cb(sha1sync(buf)):void cb(hash)}))}function uint8array(s){const l=s.length,array=new Uint8Array(l);for(let i=0;i<l;i++)array[i]=s.charCodeAt(i);return array}function hex(buf){const l=buf.length,chars=[];for(let i=0;i<l;i++){const bite=buf[i];chars.push((bite>>>4).toString(16)),chars.push((15&bite).toString(16))}return chars.join("")}const Rusha=require("rusha"),rushaWorkerSha1=require("./rusha-worker-sha1"),rusha=new Rusha,scope="undefined"==typeof window?self:window,crypto=scope.crypto||scope.msCrypto||{};let subtle=crypto.subtle||crypto.webkitSubtle;try{subtle.digest({name:"sha-1"},new Uint8Array).catch(function(){subtle=!1})}catch(err){subtle=!1}module.exports=sha1,module.exports.sync=sha1sync},{"./rusha-worker-sha1":304,rusha:289}],304:[function(require,module,exports){function init(){worker=Rusha.createWorker(),nextTaskId=1,cbs={},worker.onmessage=function onRushaMessage(e){const taskId=e.data.id,cb=cbs[taskId];delete cbs[taskId],null==e.data.error?cb(null,e.data.hash):cb(new Error("Rusha worker error: "+e.data.error))}}function sha1(buf,cb){worker||init(),cbs[nextTaskId]=cb,worker.postMessage({id:nextTaskId,data:buf}),nextTaskId+=1}const Rusha=require("rusha");let worker,nextTaskId,cbs;module.exports=sha1},{rusha:289}],305:[function(require,module,exports){(function(Buffer){(function(){/*! simple-websocket. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */const debug=require("debug")("simple-websocket"),randombytes=require("randombytes"),stream=require("readable-stream"),queueMicrotask=require("queue-microtask"),ws=require("ws"),_WebSocket="function"==typeof ws?ws:WebSocket,MAX_BUFFERED_AMOUNT=65536;class Socket extends stream.Duplex{constructor(opts={}){if("string"==typeof opts&&(opts={url:opts}),opts=Object.assign({allowHalfOpen:!1},opts),super(opts),null==opts.url&&null==opts.socket)throw new Error("Missing required `url` or `socket` option");if(null!=opts.url&&null!=opts.socket)throw new Error("Must specify either `url` or `socket` option, not both");if(this._id=randombytes(4).toString("hex").slice(0,7),this._debug("new websocket: %o",opts),this.connected=!1,this.destroyed=!1,this._chunk=null,this._cb=null,this._interval=null,opts.socket)this.url=opts.socket.url,this._ws=opts.socket,this.connected=opts.socket.readyState===_WebSocket.OPEN;else{this.url=opts.url;try{this._ws="function"==typeof ws?new _WebSocket(opts.url,null,{...opts,encoding:void 0}):new _WebSocket(opts.url)}catch(err){return void queueMicrotask(()=>this.destroy(err))}}this._ws.binaryType="arraybuffer",opts.socket&&this.connected?queueMicrotask(()=>this._handleOpen()):this._ws.onopen=()=>this._handleOpen(),this._ws.onmessage=event=>this._handleMessage(event),this._ws.onclose=()=>this._handleClose(),this._ws.onerror=err=>this._handleError(err),this._handleFinishBound=()=>this._handleFinish(),this.once("finish",this._handleFinishBound)}send(chunk){this._ws.send(chunk)}destroy(err){this._destroy(err,()=>{})}_destroy(err,cb){if(!this.destroyed){if(this._debug("destroy (error: %s)",err&&(err.message||err)),this.readable=this.writable=!1,this._readableState.ended||this.push(null),this._writableState.finished||this.end(),this.connected=!1,this.destroyed=!0,clearInterval(this._interval),this._interval=null,this._chunk=null,this._cb=null,this._handleFinishBound&&this.removeListener("finish",this._handleFinishBound),this._handleFinishBound=null,this._ws){const ws=this._ws,onClose=()=>{ws.onclose=null};if(ws.readyState===_WebSocket.CLOSED)onClose();else try{ws.onclose=onClose,ws.close()}catch(err){onClose()}ws.onopen=null,ws.onmessage=null,ws.onerror=()=>{}}this._ws=null,err&&this.emit("error",err),this.emit("close"),cb()}}_read(){}_write(chunk,encoding,cb){if(this.destroyed)return cb(new Error("cannot write after socket is destroyed"));if(this.connected){try{this.send(chunk)}catch(err){return this.destroy(err)}"function"!=typeof ws&&this._ws.bufferedAmount>MAX_BUFFERED_AMOUNT?(this._debug("start backpressure: bufferedAmount %d",this._ws.bufferedAmount),this._cb=cb):cb(null)}else this._debug("write before connect"),this._chunk=chunk,this._cb=cb}_handleOpen(){if(!(this.connected||this.destroyed)){if(this.connected=!0,this._chunk){try{this.send(this._chunk)}catch(err){return this.destroy(err)}this._chunk=null,this._debug("sent chunk from \"write before connect\"");const cb=this._cb;this._cb=null,cb(null)}"function"!=typeof ws&&(this._interval=setInterval(()=>this._onInterval(),150),this._interval.unref&&this._interval.unref()),this._debug("connect"),this.emit("connect")}}_handleMessage(event){if(this.destroyed)return;let data=event.data;data instanceof ArrayBuffer&&(data=Buffer.from(data)),this.push(data)}_handleClose(){this.destroyed||(this._debug("on close"),this.destroy())}_handleError(_){this.destroy(new Error(`Error connecting to ${this.url}`))}_handleFinish(){if(!this.destroyed){const destroySoon=()=>{setTimeout(()=>this.destroy(),1e3)};this.connected?destroySoon():this.once("connect",destroySoon)}}_onInterval(){if(this._cb&&this._ws&&!(this._ws.bufferedAmount>MAX_BUFFERED_AMOUNT)){this._debug("ending backpressure: bufferedAmount %d",this._ws.bufferedAmount);const cb=this._cb;this._cb=null,cb(null)}}_debug(){const args=[].slice.call(arguments);args[0]="["+this._id+"] "+args[0],debug.apply(null,args)}}Socket.WEBSOCKET_SUPPORT=!!_WebSocket,module.exports=Socket}).call(this)}).call(this,require("buffer").Buffer)},{buffer:101,debug:122,"queue-microtask":259,randombytes:262,"readable-stream":281,ws:66}],306:[function(require,module,exports){const Throttle=require("./lib/throttle"),ThrottleGroup=require("./lib/throttle-group");module.exports={Throttle,ThrottleGroup}},{"./lib/throttle":308,"./lib/throttle-group":307}],307:[function(require,module,exports){const{TokenBucket}=require("limiter"),Throttle=require("./throttle");class ThrottleGroup{constructor(opts={}){if("object"!=typeof opts)throw new Error("Options must be an object");this.throttles=[],this.setEnabled(opts.enabled),this.setRate(opts.rate,opts.chunksize)}getEnabled(){return this._enabled}getRate(){return this.bucket.tokensPerInterval}getChunksize(){return this.chunksize}setEnabled(val=!0){if("boolean"!=typeof val)throw new Error("Enabled must be a boolean");this._enabled=val;for(const throttle of this.throttles)throttle.setEnabled(val)}setRate(rate,chunksize=null){if(!_NumberisInteger(rate)||0>rate)throw new Error("Rate must be an integer bigger than zero");if(rate=parseInt(rate),chunksize&&("number"!=typeof chunksize||0>=chunksize))throw new Error("Chunksize must be bigger than zero");if(chunksize=chunksize||_Mathmax(parseInt(rate/10),1),chunksize=parseInt(chunksize),0<rate&&chunksize>rate)throw new Error("Chunk size must be smaller than rate");this.bucket||(this.bucket=new TokenBucket(rate,rate,"second",null)),this.bucket.bucketSize=rate,this.bucket.tokensPerInterval=rate,this.chunksize=chunksize}setChunksize(chunksize){if(!_NumberisInteger(chunksize)||0>=chunksize)throw new Error("Chunk size must be an integer bigger than zero");const rate=this.getRate();if(chunksize=parseInt(chunksize),0<rate&&chunksize>rate)throw new Error("Chunk size must be smaller than rate");this.chunksize=chunksize}throttle(opts={}){if("object"!=typeof opts)throw new Error("Options must be an object");const newThrottle=new Throttle({...opts,group:this});return newThrottle}destroy(){for(const throttle of this.throttles)throttle.destroy();this.throttles=[]}_addThrottle(throttle){if(!(throttle instanceof Throttle))throw new Error("Throttle must be an instance of Throttle");this.throttles.push(throttle)}_removeThrottle(throttle){const index=this.throttles.indexOf(throttle);-1<index&&this.throttles.splice(index,1)}}module.exports=ThrottleGroup},{"./throttle":308,limiter:204}],308:[function(require,module,exports){const{EventEmitter}=require("events"),{Transform}=require("streamx"),{wait}=require("./utils");class Throttle extends Transform{constructor(opts={}){if(super(),"object"!=typeof opts)throw new Error("Options must be an object");const params=Object.assign({},opts);if(params.group&&!(params.group instanceof ThrottleGroup))throw new Error("Group must be an instanece of ThrottleGroup");else params.group||(params.group=new ThrottleGroup(params));this._setEnabled(params.enabled||params.group.enabled),this._group=params.group,this._emitter=new EventEmitter,this._destroyed=!1,this._group._addThrottle(this)}getEnabled(){return this._enabled}getGroup(){return this._group}_setEnabled(val=!0){if("boolean"!=typeof val)throw new Error("Enabled must be a boolean");this._enabled=val}setEnabled(val){this._setEnabled(val),this._enabled?this._emitter.emit("enabled"):this._emitter.emit("disabled")}_transform(chunk,done){this._processChunk(chunk,done)}async _waitForTokens(amount){return new Promise((resolve,reject)=>{function isDone(err){if(self._emitter.removeListener("disabled",isDone),self._emitter.removeListener("destroyed",isDone),!done)return done=!0,err?reject(err):void resolve()}let done=!1;const self=this;this._emitter.once("disabled",isDone),this._emitter.once("destroyed",isDone),this._group.bucket.removeTokens(amount,isDone)})}_areBothEnabled(){return this._enabled&&this._group.getEnabled()}async _processChunk(chunk,done){if(!this._areBothEnabled())return done(null,chunk);let pos=0,chunksize=this._group.getChunksize(),slice=chunk.slice(pos,pos+chunksize);for(;0<slice.length;){if(this._areBothEnabled())try{for(;0===this._group.getRate()&&!this._destroyed&&this._areBothEnabled();)if(await wait(1e3),this._destroyed)return;if(this._areBothEnabled()&&!this._group.bucket.tryRemoveTokens(slice.length)&&(await this._waitForTokens(slice.length),this._destroyed))return}catch(err){return done(err)}this.push(slice),pos+=chunksize,chunksize=this._areBothEnabled()?this._group.getChunksize():chunk.length-pos,slice=chunk.slice(pos,pos+chunksize)}return done()}destroy(...args){this._group._removeThrottle(this),this._destroyed=!0,this._emitter.emit("destroyed"),super.destroy(...args)}}module.exports=Throttle;const ThrottleGroup=require("./throttle-group")},{"./throttle-group":307,"./utils":309,events:156,streamx:319}],309:[function(require,module,exports){function wait(time){return new Promise(resolve=>setTimeout(resolve,time))}module.exports={wait}},{}],310:[function(require,module,exports){var tick=1,maxTick=65535,resolution=4,inc=function(){tick=tick+1&maxTick},timer;module.exports=function(seconds){timer||(timer=setInterval(inc,0|1e3/resolution),timer.unref&&timer.unref());var size=resolution*(seconds||5),buffer=[0],pointer=1,last=tick-1&maxTick;return function(delta){var dist=tick-last&maxTick;for(dist>size&&(dist=size),last=tick;dist--;)pointer===size&&(pointer=0),buffer[pointer]=buffer[0===pointer?size-1:pointer-1],pointer++;delta&&(buffer[pointer-1]+=delta);var top=buffer[pointer-1],btm=buffer.length<size?0:buffer[pointer===size?0:pointer];return buffer.length<resolution?top:(top-btm)*resolution/buffer.length}}},{}],311:[function(require,module,exports){function Stream(){EE.call(this)}module.exports=Stream;var EE=require("events").EventEmitter,inherits=require("inherits");inherits(Stream,EE),Stream.Readable=require("readable-stream/lib/_stream_readable.js"),Stream.Writable=require("readable-stream/lib/_stream_writable.js"),Stream.Duplex=require("readable-stream/lib/_stream_duplex.js"),Stream.Transform=require("readable-stream/lib/_stream_transform.js"),Stream.PassThrough=require("readable-stream/lib/_stream_passthrough.js"),Stream.finished=require("readable-stream/lib/internal/streams/end-of-stream.js"),Stream.pipeline=require("readable-stream/lib/internal/streams/pipeline.js"),Stream.Stream=Stream,Stream.prototype.pipe=function(dest,options){function ondata(chunk){dest.writable&&!1===dest.write(chunk)&&source.pause&&source.pause()}function ondrain(){source.readable&&source.resume&&source.resume()}function onend(){didOnEnd||(didOnEnd=!0,dest.end())}function onclose(){didOnEnd||(didOnEnd=!0,"function"==typeof dest.destroy&&dest.destroy())}function onerror(er){if(cleanup(),0===EE.listenerCount(this,"error"))throw er}function cleanup(){source.removeListener("data",ondata),dest.removeListener("drain",ondrain),source.removeListener("end",onend),source.removeListener("close",onclose),source.removeListener("error",onerror),dest.removeListener("error",onerror),source.removeListener("end",cleanup),source.removeListener("close",cleanup),dest.removeListener("close",cleanup)}var source=this;source.on("data",ondata),dest.on("drain",ondrain),dest._isStdio||options&&!1===options.end||(source.on("end",onend),source.on("close",onclose));var didOnEnd=!1;return source.on("error",onerror),dest.on("error",onerror),source.on("end",cleanup),source.on("close",cleanup),dest.on("close",cleanup),dest.emit("pipe",source),dest}},{events:156,inherits:190,"readable-stream/lib/_stream_duplex.js":268,"readable-stream/lib/_stream_passthrough.js":269,"readable-stream/lib/_stream_readable.js":270,"readable-stream/lib/_stream_transform.js":271,"readable-stream/lib/_stream_writable.js":272,"readable-stream/lib/internal/streams/end-of-stream.js":276,"readable-stream/lib/internal/streams/pipeline.js":278}],312:[function(require,module,exports){(function(global){(function(){var ClientRequest=require("./lib/request"),response=require("./lib/response"),extend=require("xtend"),statusCodes=require("builtin-status-codes"),url=require("url"),http=exports;http.request=function(opts,cb){opts="string"==typeof opts?url.parse(opts):extend(opts);var defaultProtocol=-1===global.location.protocol.search(/^https?:$/)?"http:":"",protocol=opts.protocol||defaultProtocol,host=opts.hostname||opts.host,port=opts.port,path=opts.path||"/";host&&-1!==host.indexOf(":")&&(host="["+host+"]"),opts.url=(host?protocol+"//"+host:"")+(port?":"+port:"")+path,opts.method=(opts.method||"GET").toUpperCase(),opts.headers=opts.headers||{};var req=new ClientRequest(opts);return cb&&req.on("response",cb),req},http.get=function get(opts,cb){var req=http.request(opts,cb);return req.end(),req},http.ClientRequest=ClientRequest,http.IncomingMessage=response.IncomingMessage,http.Agent=function(){},http.Agent.defaultMaxSockets=4,http.globalAgent=new http.Agent,http.STATUS_CODES=statusCodes,http.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)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"./lib/request":314,"./lib/response":315,"builtin-status-codes":102,url:331,xtend:343}],313:[function(require,module,exports){(function(global){(function(){function getXHR(){if(xhr!==void 0)return xhr;if(global.XMLHttpRequest){xhr=new global.XMLHttpRequest;try{xhr.open("GET",global.XDomainRequest?"/":"https://example.com")}catch(e){xhr=null}}else xhr=null;return xhr}function checkTypeSupport(type){var xhr=getXHR();if(!xhr)return!1;try{return xhr.responseType=type,xhr.responseType===type}catch(e){}return!1}function isFunction(value){return"function"==typeof value}exports.fetch=isFunction(global.fetch)&&isFunction(global.ReadableStream),exports.writableStream=isFunction(global.WritableStream),exports.abortController=isFunction(global.AbortController);var xhr;exports.arraybuffer=exports.fetch||checkTypeSupport("arraybuffer"),exports.msstream=!exports.fetch&&checkTypeSupport("ms-stream"),exports.mozchunkedarraybuffer=!exports.fetch&&checkTypeSupport("moz-chunked-arraybuffer"),exports.overrideMimeType=exports.fetch||!!getXHR()&&isFunction(getXHR().overrideMimeType),xhr=null}).call(this)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{}],314:[function(require,module,exports){(function(process,global,Buffer){(function(){function decideMode(preferBinary,useFetch){return capability.fetch&&useFetch?"fetch":capability.mozchunkedarraybuffer?"moz-chunked-arraybuffer":capability.msstream?"ms-stream":capability.arraybuffer&&preferBinary?"arraybuffer":"text"}function statusValid(xhr){try{var status=xhr.status;return null!==status&&0!==status}catch(e){return!1}}var capability=require("./capability"),inherits=require("inherits"),response=require("./response"),stream=require("readable-stream"),IncomingMessage=response.IncomingMessage,rStates=response.readyStates,ClientRequest=module.exports=function(opts){var self=this;stream.Writable.call(self),self._opts=opts,self._body=[],self._headers={},opts.auth&&self.setHeader("Authorization","Basic "+Buffer.from(opts.auth).toString("base64")),Object.keys(opts.headers).forEach(function(name){self.setHeader(name,opts.headers[name])});var useFetch=!0,preferBinary;if("disable-fetch"===opts.mode||"requestTimeout"in opts&&!capability.abortController)useFetch=!1,preferBinary=!0;else if("prefer-streaming"===opts.mode)preferBinary=!1;else if("allow-wrong-content-type"===opts.mode)preferBinary=!capability.overrideMimeType;else if(!opts.mode||"default"===opts.mode||"prefer-fast"===opts.mode)preferBinary=!0;else throw new Error("Invalid value for opts.mode");self._mode=decideMode(preferBinary,useFetch),self._fetchTimer=null,self._socketTimeout=null,self._socketTimer=null,self.on("finish",function(){self._onFinish()})};inherits(ClientRequest,stream.Writable),ClientRequest.prototype.setHeader=function(name,value){var self=this,lowerName=name.toLowerCase();-1!==unsafeHeaders.indexOf(lowerName)||(self._headers[lowerName]={name:name,value:value})},ClientRequest.prototype.getHeader=function(name){var header=this._headers[name.toLowerCase()];return header?header.value:null},ClientRequest.prototype.removeHeader=function(name){var self=this;delete self._headers[name.toLowerCase()]},ClientRequest.prototype._onFinish=function(){var self=this;if(!self._destroyed){var opts=self._opts;"timeout"in opts&&0!==opts.timeout&&self.setTimeout(opts.timeout);var headersObj=self._headers,body=null;"GET"!==opts.method&&"HEAD"!==opts.method&&(body=new Blob(self._body,{type:(headersObj["content-type"]||{}).value||""}));var headersList=[];if(Object.keys(headersObj).forEach(function(keyName){var name=headersObj[keyName].name,value=headersObj[keyName].value;Array.isArray(value)?value.forEach(function(v){headersList.push([name,v])}):headersList.push([name,value])}),"fetch"===self._mode){var signal=null;if(capability.abortController){var controller=new AbortController;signal=controller.signal,self._fetchAbortController=controller,"requestTimeout"in opts&&0!==opts.requestTimeout&&(self._fetchTimer=global.setTimeout(function(){self.emit("requestTimeout"),self._fetchAbortController&&self._fetchAbortController.abort()},opts.requestTimeout))}global.fetch(self._opts.url,{method:self._opts.method,headers:headersList,body:body||void 0,mode:"cors",credentials:opts.withCredentials?"include":"same-origin",signal:signal}).then(function(response){self._fetchResponse=response,self._resetTimers(!1),self._connect()},function(reason){self._resetTimers(!0),self._destroyed||self.emit("error",reason)})}else{var xhr=self._xhr=new global.XMLHttpRequest;try{xhr.open(self._opts.method,self._opts.url,!0)}catch(err){return void process.nextTick(function(){self.emit("error",err)})}"responseType"in xhr&&(xhr.responseType=self._mode),"withCredentials"in xhr&&(xhr.withCredentials=!!opts.withCredentials),"text"===self._mode&&"overrideMimeType"in xhr&&xhr.overrideMimeType("text/plain; charset=x-user-defined"),"requestTimeout"in opts&&(xhr.timeout=opts.requestTimeout,xhr.ontimeout=function(){self.emit("requestTimeout")}),headersList.forEach(function(header){xhr.setRequestHeader(header[0],header[1])}),self._response=null,xhr.onreadystatechange=function(){switch(xhr.readyState){case rStates.LOADING:case rStates.DONE:self._onXHRProgress();}},"moz-chunked-arraybuffer"===self._mode&&(xhr.onprogress=function(){self._onXHRProgress()}),xhr.onerror=function(){self._destroyed||(self._resetTimers(!0),self.emit("error",new Error("XHR error")))};try{xhr.send(body)}catch(err){return void process.nextTick(function(){self.emit("error",err)})}}}},ClientRequest.prototype._onXHRProgress=function(){var self=this;self._resetTimers(!1);!statusValid(self._xhr)||self._destroyed||(!self._response&&self._connect(),self._response._onXHRProgress(self._resetTimers.bind(self)))},ClientRequest.prototype._connect=function(){var self=this;self._destroyed||(self._response=new IncomingMessage(self._xhr,self._fetchResponse,self._mode,self._resetTimers.bind(self)),self._response.on("error",function(err){self.emit("error",err)}),self.emit("response",self._response))},ClientRequest.prototype._write=function(chunk,encoding,cb){var self=this;self._body.push(chunk),cb()},ClientRequest.prototype._resetTimers=function(done){var self=this;global.clearTimeout(self._socketTimer),self._socketTimer=null,done?(global.clearTimeout(self._fetchTimer),self._fetchTimer=null):self._socketTimeout&&(self._socketTimer=global.setTimeout(function(){self.emit("timeout")},self._socketTimeout))},ClientRequest.prototype.abort=ClientRequest.prototype.destroy=function(err){var self=this;self._destroyed=!0,self._resetTimers(!0),self._response&&(self._response._destroyed=!0),self._xhr?self._xhr.abort():self._fetchAbortController&&self._fetchAbortController.abort(),err&&self.emit("error",err)},ClientRequest.prototype.end=function(data,encoding,cb){var self=this;"function"==typeof data&&(cb=data,data=void 0),stream.Writable.prototype.end.call(self,data,encoding,cb)},ClientRequest.prototype.setTimeout=function(timeout,cb){var self=this;cb&&self.once("timeout",cb),self._socketTimeout=timeout,self._resetTimers(!1)},ClientRequest.prototype.flushHeaders=function(){},ClientRequest.prototype.setNoDelay=function(){},ClientRequest.prototype.setSocketKeepAlive=function(){};var unsafeHeaders=["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)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global,require("buffer").Buffer)},{"./capability":313,"./response":315,_process:246,buffer:101,inherits:190,"readable-stream":281}],315:[function(require,module,exports){(function(process,global,Buffer){(function(){var capability=require("./capability"),inherits=require("inherits"),stream=require("readable-stream"),rStates=exports.readyStates={UNSENT:0,OPENED:1,HEADERS_RECEIVED:2,LOADING:3,DONE:4},IncomingMessage=exports.IncomingMessage=function(xhr,response,mode,resetTimers){var self=this;if(stream.Readable.call(self),self._mode=mode,self.headers={},self.rawHeaders=[],self.trailers={},self.rawTrailers=[],self.on("end",function(){process.nextTick(function(){self.emit("close")})}),"fetch"===mode){function read(){reader.read().then(function(result){if(!self._destroyed)return resetTimers(result.done),result.done?void self.push(null):void(self.push(Buffer.from(result.value)),read())}).catch(function(err){resetTimers(!0),self._destroyed||self.emit("error",err)})}if(self._fetchResponse=response,self.url=response.url,self.statusCode=response.status,self.statusMessage=response.statusText,response.headers.forEach(function(header,key){self.headers[key.toLowerCase()]=header,self.rawHeaders.push(key,header)}),capability.writableStream){var writable=new WritableStream({write:function(chunk){return resetTimers(!1),new Promise(function(resolve,reject){self._destroyed?reject():self.push(Buffer.from(chunk))?resolve():self._resumeFetch=resolve})},close:function(){resetTimers(!0),self._destroyed||self.push(null)},abort:function(err){resetTimers(!0),self._destroyed||self.emit("error",err)}});try{return void response.body.pipeTo(writable).catch(function(err){resetTimers(!0),self._destroyed||self.emit("error",err)})}catch(e){}}var reader=response.body.getReader();read()}else{self._xhr=xhr,self._pos=0,self.url=xhr.responseURL,self.statusCode=xhr.status,self.statusMessage=xhr.statusText;var headers=xhr.getAllResponseHeaders().split(/\r?\n/);if(headers.forEach(function(header){var matches=header.match(/^([^:]+):\s*(.*)/);if(matches){var key=matches[1].toLowerCase();"set-cookie"===key?(void 0===self.headers[key]&&(self.headers[key]=[]),self.headers[key].push(matches[2])):void 0===self.headers[key]?self.headers[key]=matches[2]:self.headers[key]+=", "+matches[2],self.rawHeaders.push(matches[1],matches[2])}}),self._charset="x-user-defined",!capability.overrideMimeType){var mimeType=self.rawHeaders["mime-type"];if(mimeType){var charsetMatch=mimeType.match(/;\s*charset=([^;])(;|$)/);charsetMatch&&(self._charset=charsetMatch[1].toLowerCase())}self._charset||(self._charset="utf-8")}}};inherits(IncomingMessage,stream.Readable),IncomingMessage.prototype._read=function(){var self=this,resolve=self._resumeFetch;resolve&&(self._resumeFetch=null,resolve())},IncomingMessage.prototype._onXHRProgress=function(resetTimers){var self=this,xhr=self._xhr,response=null;switch(self._mode){case"text":if(response=xhr.responseText,response.length>self._pos){var newData=response.substr(self._pos);if("x-user-defined"===self._charset){for(var buffer=Buffer.alloc(newData.length),i=0;i<newData.length;i++)buffer[i]=255&newData.charCodeAt(i);self.push(buffer)}else self.push(newData,self._charset);self._pos=response.length}break;case"arraybuffer":if(xhr.readyState!==rStates.DONE||!xhr.response)break;response=xhr.response,self.push(Buffer.from(new Uint8Array(response)));break;case"moz-chunked-arraybuffer":if(response=xhr.response,xhr.readyState!==rStates.LOADING||!response)break;self.push(Buffer.from(new Uint8Array(response)));break;case"ms-stream":if(response=xhr.response,xhr.readyState!==rStates.LOADING)break;var reader=new global.MSStreamReader;reader.onprogress=function(){reader.result.byteLength>self._pos&&(self.push(Buffer.from(new Uint8Array(reader.result.slice(self._pos)))),self._pos=reader.result.byteLength)},reader.onload=function(){resetTimers(!0),self.push(null)},reader.readAsArrayBuffer(response);}self._xhr.readyState===rStates.DONE&&"ms-stream"!==self._mode&&(resetTimers(!0),self.push(null))}}).call(this)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global,require("buffer").Buffer)},{"./capability":313,_process:246,buffer:101,inherits:190,"readable-stream":281}],316:[function(require,module,exports){async function getBlobURL(stream,mimeType){const blob=await getBlob(stream,mimeType),url=URL.createObjectURL(blob);return url}module.exports=getBlobURL;const getBlob=require("stream-to-blob")},{"stream-to-blob":317}],317:[function(require,module,exports){function streamToBlob(stream,mimeType){if(null!=mimeType&&"string"!=typeof mimeType)throw new Error("Invalid mimetype, expected string.");return new Promise((resolve,reject)=>{const chunks=[];stream.on("data",chunk=>chunks.push(chunk)).once("end",()=>{const blob=null==mimeType?new Blob(chunks):new Blob(chunks,{type:mimeType});resolve(blob)}).once("error",reject)})}/*! stream-to-blob. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */module.exports=streamToBlob},{}],318:[function(require,module,exports){(function(Buffer){(function(){/*! stream-with-known-length-to-buffer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */var once=require("once");module.exports=function getBuffer(stream,length,cb){cb=once(cb);var buf=Buffer.alloc(length),offset=0;stream.on("data",function(chunk){chunk.copy(buf,offset),offset+=chunk.length}).on("end",function(){cb(null,buf)}).on("error",cb)}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:101,once:231}],319:[function(require,module,exports){function afterDrain(){this.stream._duplexState|=READ_PIPE_DRAINED,0==(this.stream._duplexState&READ_ACTIVE_AND_SYNC)?this.updateNextTick():this.drain()}function afterFinal(err){const stream=this.stream;err&&stream.destroy(err),0==(stream._duplexState&DESTROY_STATUS)&&(stream._duplexState|=WRITE_DONE,stream.emit("finish")),(stream._duplexState&AUTO_DESTROY)===DONE&&(stream._duplexState|=DESTROYING),stream._duplexState&=WRITE_NOT_ACTIVE,this.update()}function afterDestroy(err){const stream=this.stream;err||this.error===STREAM_DESTROYED||(err=this.error),err&&stream.emit("error",err),stream._duplexState|=DESTROYED,stream.emit("close");const rs=stream._readableState,ws=stream._writableState;null!==rs&&null!==rs.pipeline&&rs.pipeline.done(stream,err),null!==ws&&null!==ws.pipeline&&ws.pipeline.done(stream,err)}function afterWrite(err){const stream=this.stream;err&&stream.destroy(err),stream._duplexState&=WRITE_NOT_ACTIVE,(stream._duplexState&WRITE_DRAIN_STATUS)===WRITE_UNDRAINED&&(stream._duplexState&=WRITE_DRAINED,(stream._duplexState&WRITE_EMIT_DRAIN)===WRITE_EMIT_DRAIN&&stream.emit("drain")),0==(stream._duplexState&WRITE_SYNC)&&this.update()}function afterRead(err){err&&this.stream.destroy(err),this.stream._duplexState&=READ_NOT_ACTIVE,0==(this.stream._duplexState&READ_SYNC)&&this.update()}function updateReadNT(){this.stream._duplexState&=READ_NOT_NEXT_TICK,this.update()}function updateWriteNT(){this.stream._duplexState&=WRITE_NOT_NEXT_TICK,this.update()}function afterOpen(err){const stream=this.stream;err&&stream.destroy(err),0==(stream._duplexState&DESTROYING)&&(0==(stream._duplexState&READ_PRIMARY_STATUS)&&(stream._duplexState|=READ_PRIMARY),0==(stream._duplexState&WRITE_PRIMARY_STATUS)&&(stream._duplexState|=WRITE_PRIMARY),stream.emit("open")),stream._duplexState&=NOT_ACTIVE,null!==stream._writableState&&stream._writableState.update(),null!==stream._readableState&&stream._readableState.update()}function afterTransform(err,data){data!==void 0&&null!==data&&this.push(data),this._writableState.afterWrite(err)}function transformAfterFlush(err,data){const cb=this._transformState.afterFinal;return err?cb(err):void(null!==data&&data!==void 0&&this.push(data),this.push(null),cb(null))}function pipelinePromise(...streams){return new Promise((resolve,reject)=>pipeline(...streams,err=>err?reject(err):void resolve()))}function pipeline(stream,...streams){function errorHandle(s,rd,wr,onerror){function onclose(){return rd&&s._readableState&&!s._readableState.ended?onerror(PREMATURE_CLOSE):wr&&s._writableState&&!s._writableState.ended?onerror(PREMATURE_CLOSE):void 0}s.on("error",onerror),s.on("close",onclose)}function onerror(err){if(err&&!error){error=err;for(const s of all)s.destroy(err)}}const all=Array.isArray(stream)?[...stream,...streams]:[stream,...streams],done=all.length&&"function"==typeof all[all.length-1]?all.pop():null;if(2>all.length)throw new Error("Pipeline requires at least 2 streams");let src=all[0],dest=null,error=null;for(let i=1;i<all.length;i++)dest=all[i],isStreamx(src)?src.pipe(dest,onerror):(errorHandle(src,!0,1<i,onerror),src.pipe(dest)),src=dest;if(done){let fin=!1;dest.on("finish",()=>{fin=!0}),dest.on("error",err=>{error=error||err}),dest.on("close",()=>done(error||(fin?null:PREMATURE_CLOSE)))}return dest}function isStream(stream){return!!stream._readableState||!!stream._writableState}function isStreamx(stream){return"number"==typeof stream._duplexState&&isStream(stream)}function isReadStreamx(stream){return isStreamx(stream)&&stream.readable}function isTypedArray(data){return"object"==typeof data&&null!==data&&"number"==typeof data.byteLength}function defaultByteLength(data){return isTypedArray(data)?data.byteLength:1024}function noop(){}function abort(){this.destroy(new Error("Stream aborted."))}const{EventEmitter}=require("events"),STREAM_DESTROYED=new Error("Stream was destroyed"),PREMATURE_CLOSE=new Error("Premature close"),queueTick=require("queue-tick"),FIFO=require("fast-fifo"),MAX=33554431,OPENING=1,DESTROYING=2,DESTROYED=4,NOT_OPENING=MAX^OPENING,READ_ACTIVE=8,READ_PRIMARY=16,READ_SYNC=32,READ_QUEUED=64,READ_RESUMED=128,READ_PIPE_DRAINED=256,READ_ENDING=512,READ_EMIT_DATA=1024,READ_EMIT_READABLE=2048,READ_EMITTED_READABLE=4096,READ_DONE=8192,READ_NEXT_TICK=16392,READ_NEEDS_PUSH=32768,READ_NOT_ACTIVE=MAX^READ_ACTIVE,READ_NON_PRIMARY=MAX^READ_PRIMARY,READ_NON_PRIMARY_AND_PUSHED=MAX^(READ_PRIMARY|READ_NEEDS_PUSH),READ_NOT_SYNC=MAX^READ_SYNC,READ_PUSHED=MAX^READ_NEEDS_PUSH,READ_PAUSED=MAX^READ_RESUMED,READ_NOT_QUEUED=MAX^(READ_QUEUED|READ_EMITTED_READABLE),READ_NOT_ENDING=MAX^READ_ENDING,READ_PIPE_NOT_DRAINED=MAX^(READ_RESUMED|READ_PIPE_DRAINED),READ_NOT_NEXT_TICK=MAX^READ_NEXT_TICK,WRITE_ACTIVE=65536,WRITE_PRIMARY=131072,WRITE_SYNC=262144,WRITE_QUEUED=524288,WRITE_UNDRAINED=1048576,WRITE_DONE=2097152,WRITE_EMIT_DRAIN=4194304,WRITE_NEXT_TICK=8454144,WRITE_FINISHING=16777216,WRITE_NOT_ACTIVE=MAX^WRITE_ACTIVE,WRITE_NOT_SYNC=MAX^WRITE_SYNC,WRITE_NON_PRIMARY=MAX^WRITE_PRIMARY,WRITE_NOT_FINISHING=MAX^WRITE_FINISHING,WRITE_DRAINED=MAX^WRITE_UNDRAINED,WRITE_NOT_QUEUED=MAX^WRITE_QUEUED,WRITE_NOT_NEXT_TICK=MAX^WRITE_NEXT_TICK,ACTIVE=READ_ACTIVE|WRITE_ACTIVE,NOT_ACTIVE=MAX^ACTIVE,DONE=READ_DONE|WRITE_DONE,DESTROY_STATUS=DESTROYING|DESTROYED,OPEN_STATUS=DESTROY_STATUS|OPENING,AUTO_DESTROY=DESTROY_STATUS|DONE,NON_PRIMARY=WRITE_NON_PRIMARY&READ_NON_PRIMARY,TICKING=(WRITE_NEXT_TICK|READ_NEXT_TICK)&NOT_ACTIVE,ACTIVE_OR_TICKING=ACTIVE|TICKING,IS_OPENING=OPEN_STATUS|TICKING,READ_PRIMARY_STATUS=OPEN_STATUS|READ_ENDING|READ_DONE,READ_STATUS=OPEN_STATUS|READ_DONE|READ_QUEUED,READ_FLOWING=READ_RESUMED|READ_PIPE_DRAINED,READ_ACTIVE_AND_SYNC=READ_ACTIVE|READ_SYNC,READ_ACTIVE_AND_SYNC_AND_NEEDS_PUSH=READ_ACTIVE|READ_SYNC|READ_NEEDS_PUSH,READ_PRIMARY_AND_ACTIVE=READ_PRIMARY|READ_ACTIVE,READ_ENDING_STATUS=OPEN_STATUS|READ_ENDING|READ_QUEUED,READ_EMIT_READABLE_AND_QUEUED=READ_EMIT_READABLE|READ_QUEUED,READ_READABLE_STATUS=OPEN_STATUS|READ_EMIT_READABLE|READ_QUEUED|READ_EMITTED_READABLE,SHOULD_NOT_READ=OPEN_STATUS|READ_ACTIVE|READ_ENDING|READ_DONE|READ_NEEDS_PUSH,READ_BACKPRESSURE_STATUS=DESTROY_STATUS|READ_ENDING|READ_DONE,WRITE_PRIMARY_STATUS=OPEN_STATUS|WRITE_FINISHING|WRITE_DONE,WRITE_QUEUED_AND_UNDRAINED=WRITE_QUEUED|WRITE_UNDRAINED,WRITE_QUEUED_AND_ACTIVE=WRITE_QUEUED|WRITE_ACTIVE,WRITE_DRAIN_STATUS=WRITE_QUEUED|WRITE_UNDRAINED|OPEN_STATUS|WRITE_ACTIVE,WRITE_STATUS=OPEN_STATUS|WRITE_ACTIVE|WRITE_QUEUED,WRITE_PRIMARY_AND_ACTIVE=WRITE_PRIMARY|WRITE_ACTIVE,WRITE_ACTIVE_AND_SYNC=WRITE_ACTIVE|WRITE_SYNC,WRITE_FINISHING_STATUS=OPEN_STATUS|WRITE_FINISHING|WRITE_QUEUED_AND_ACTIVE|WRITE_DONE,WRITE_BACKPRESSURE_STATUS=WRITE_UNDRAINED|DESTROY_STATUS|WRITE_FINISHING|WRITE_DONE,asyncIterator=Symbol.asyncIterator||Symbol("asyncIterator");class WritableState{constructor(stream,{highWaterMark=16384,map=null,mapWritable,byteLength,byteLengthWritable}={}){this.stream=stream,this.queue=new FIFO,this.highWaterMark=highWaterMark,this.buffered=0,this.error=null,this.pipeline=null,this.byteLength=byteLengthWritable||byteLength||defaultByteLength,this.map=mapWritable||map,this.afterWrite=afterWrite.bind(this),this.afterUpdateNextTick=updateWriteNT.bind(this)}get ended(){return 0!=(this.stream._duplexState&WRITE_DONE)}push(data){return(null!==this.map&&(data=this.map(data)),this.buffered+=this.byteLength(data),this.queue.push(data),this.buffered<this.highWaterMark)?(this.stream._duplexState|=WRITE_QUEUED,!0):(this.stream._duplexState|=WRITE_QUEUED_AND_UNDRAINED,!1)}shift(){const data=this.queue.shift(),stream=this.stream;return this.buffered-=this.byteLength(data),0===this.buffered&&(stream._duplexState&=WRITE_NOT_QUEUED),data}end(data){"function"==typeof data?this.stream.once("finish",data):data!==void 0&&null!==data&&this.push(data),this.stream._duplexState=(this.stream._duplexState|WRITE_FINISHING)&WRITE_NON_PRIMARY}autoBatch(data,cb){const buffer=[],stream=this.stream;for(buffer.push(data);(stream._duplexState&WRITE_STATUS)===WRITE_QUEUED_AND_ACTIVE;)buffer.push(stream._writableState.shift());return 0==(stream._duplexState&OPEN_STATUS)?void stream._writev(buffer,cb):cb(null)}update(){const stream=this.stream;for(;(stream._duplexState&WRITE_STATUS)===WRITE_QUEUED;){const data=this.shift();stream._duplexState|=WRITE_ACTIVE_AND_SYNC,stream._write(data,this.afterWrite),stream._duplexState&=WRITE_NOT_SYNC}0==(stream._duplexState&WRITE_PRIMARY_AND_ACTIVE)&&this.updateNonPrimary()}updateNonPrimary(){const stream=this.stream;return(stream._duplexState&WRITE_FINISHING_STATUS)===WRITE_FINISHING?(stream._duplexState=(stream._duplexState|WRITE_ACTIVE)&WRITE_NOT_FINISHING,void stream._final(afterFinal.bind(this))):(stream._duplexState&DESTROY_STATUS)===DESTROYING?void(0==(stream._duplexState&ACTIVE_OR_TICKING)&&(stream._duplexState|=ACTIVE,stream._destroy(afterDestroy.bind(this)))):void((stream._duplexState&IS_OPENING)===OPENING&&(stream._duplexState=(stream._duplexState|ACTIVE)&NOT_OPENING,stream._open(afterOpen.bind(this))))}updateNextTick(){0!=(this.stream._duplexState&WRITE_NEXT_TICK)||(this.stream._duplexState|=WRITE_NEXT_TICK,queueTick(this.afterUpdateNextTick))}}class ReadableState{constructor(stream,{highWaterMark=16384,map=null,mapReadable,byteLength,byteLengthReadable}={}){this.stream=stream,this.queue=new FIFO,this.highWaterMark=highWaterMark,this.buffered=0,this.error=null,this.pipeline=null,this.byteLength=byteLengthReadable||byteLength||defaultByteLength,this.map=mapReadable||map,this.pipeTo=null,this.afterRead=afterRead.bind(this),this.afterUpdateNextTick=updateReadNT.bind(this)}get ended(){return 0!=(this.stream._duplexState&READ_DONE)}pipe(pipeTo,cb){if(null!==this.pipeTo)throw new Error("Can only pipe to one destination");if("function"!=typeof cb&&(cb=null),this.stream._duplexState|=READ_PIPE_DRAINED,this.pipeTo=pipeTo,this.pipeline=new Pipeline(this.stream,pipeTo,cb),cb&&this.stream.on("error",noop),isStreamx(pipeTo))pipeTo._writableState.pipeline=this.pipeline,cb&&pipeTo.on("error",noop),pipeTo.on("finish",this.pipeline.finished.bind(this.pipeline));else{const onerror=this.pipeline.done.bind(this.pipeline,pipeTo),onclose=this.pipeline.done.bind(this.pipeline,pipeTo,null);pipeTo.on("error",onerror),pipeTo.on("close",onclose),pipeTo.on("finish",this.pipeline.finished.bind(this.pipeline))}pipeTo.on("drain",afterDrain.bind(this)),this.stream.emit("piping",pipeTo),pipeTo.emit("pipe",this.stream)}push(data){const stream=this.stream;return null===data?(this.highWaterMark=0,stream._duplexState=(stream._duplexState|READ_ENDING)&READ_NON_PRIMARY_AND_PUSHED,!1):(null!==this.map&&(data=this.map(data)),this.buffered+=this.byteLength(data),this.queue.push(data),stream._duplexState=(stream._duplexState|READ_QUEUED)&READ_PUSHED,this.buffered<this.highWaterMark)}shift(){const data=this.queue.shift();return this.buffered-=this.byteLength(data),0===this.buffered&&(this.stream._duplexState&=READ_NOT_QUEUED),data}unshift(data){let tail;const pending=[];for(;(tail=this.queue.shift())!==void 0;)pending.push(tail);this.push(data);for(let i=0;i<pending.length;i++)this.queue.push(pending[i])}read(){const stream=this.stream;if((stream._duplexState&READ_STATUS)===READ_QUEUED){const data=this.shift();return null!==this.pipeTo&&!1===this.pipeTo.write(data)&&(stream._duplexState&=READ_PIPE_NOT_DRAINED),0!=(stream._duplexState&READ_EMIT_DATA)&&stream.emit("data",data),data}return null}drain(){for(const stream=this.stream;(stream._duplexState&READ_STATUS)===READ_QUEUED&&0!=(stream._duplexState&READ_FLOWING);){const data=this.shift();null!==this.pipeTo&&!1===this.pipeTo.write(data)&&(stream._duplexState&=READ_PIPE_NOT_DRAINED),0!=(stream._duplexState&READ_EMIT_DATA)&&stream.emit("data",data)}}update(){const stream=this.stream;for(this.drain();this.buffered<this.highWaterMark&&0==(stream._duplexState&SHOULD_NOT_READ);)stream._duplexState|=READ_ACTIVE_AND_SYNC_AND_NEEDS_PUSH,stream._read(this.afterRead),stream._duplexState&=READ_NOT_SYNC,0==(stream._duplexState&READ_ACTIVE)&&this.drain();(stream._duplexState&READ_READABLE_STATUS)===READ_EMIT_READABLE_AND_QUEUED&&(stream._duplexState|=READ_EMITTED_READABLE,stream.emit("readable")),0==(stream._duplexState&READ_PRIMARY_AND_ACTIVE)&&this.updateNonPrimary()}updateNonPrimary(){const stream=this.stream;return(stream._duplexState&READ_ENDING_STATUS)===READ_ENDING&&(stream._duplexState=(stream._duplexState|READ_DONE)&READ_NOT_ENDING,stream.emit("end"),(stream._duplexState&AUTO_DESTROY)===DONE&&(stream._duplexState|=DESTROYING),null!==this.pipeTo&&this.pipeTo.end()),(stream._duplexState&DESTROY_STATUS)===DESTROYING?void(0==(stream._duplexState&ACTIVE_OR_TICKING)&&(stream._duplexState|=ACTIVE,stream._destroy(afterDestroy.bind(this)))):void((stream._duplexState&IS_OPENING)===OPENING&&(stream._duplexState=(stream._duplexState|ACTIVE)&NOT_OPENING,stream._open(afterOpen.bind(this))))}updateNextTick(){0!=(this.stream._duplexState&READ_NEXT_TICK)||(this.stream._duplexState|=READ_NEXT_TICK,queueTick(this.afterUpdateNextTick))}}class TransformState{constructor(stream){this.data=null,this.afterTransform=afterTransform.bind(stream),this.afterFinal=null}}class Pipeline{constructor(src,dst,cb){this.from=src,this.to=dst,this.afterPipe=cb,this.error=null,this.pipeToFinished=!1}finished(){this.pipeToFinished=!0}done(stream,err){return err&&(this.error=err),stream===this.to&&(this.to=null,null!==this.from)?void(0!=(this.from._duplexState&READ_DONE)&&this.pipeToFinished||this.from.destroy(this.error||new Error("Writable stream closed prematurely"))):stream===this.from&&(this.from=null,null!==this.to)?void(0==(stream._duplexState&READ_DONE)&&this.to.destroy(this.error||new Error("Readable stream closed before ending"))):void(null!==this.afterPipe&&this.afterPipe(this.error),this.to=this.from=this.afterPipe=null)}}class Stream extends EventEmitter{constructor(opts){super(),this._duplexState=0,this._readableState=null,this._writableState=null,opts&&(opts.open&&(this._open=opts.open),opts.destroy&&(this._destroy=opts.destroy),opts.predestroy&&(this._predestroy=opts.predestroy),opts.signal&&opts.signal.addEventListener("abort",abort.bind(this)))}_open(cb){cb(null)}_destroy(cb){cb(null)}_predestroy(){}get readable(){return null!==this._readableState||void 0}get writable(){return null!==this._writableState||void 0}get destroyed(){return 0!=(this._duplexState&DESTROYED)}get destroying(){return 0!=(this._duplexState&DESTROY_STATUS)}destroy(err){0==(this._duplexState&DESTROY_STATUS)&&(!err&&(err=STREAM_DESTROYED),this._duplexState=(this._duplexState|DESTROYING)&NON_PRIMARY,null!==this._readableState&&(this._readableState.error=err,this._readableState.updateNextTick()),null!==this._writableState&&(this._writableState.error=err,this._writableState.updateNextTick()),this._predestroy())}on(name,fn){return null!==this._readableState&&("data"===name&&(this._duplexState|=READ_EMIT_DATA|READ_RESUMED,this._readableState.updateNextTick()),"readable"===name&&(this._duplexState|=READ_EMIT_READABLE,this._readableState.updateNextTick())),null!==this._writableState&&"drain"===name&&(this._duplexState|=WRITE_EMIT_DRAIN,this._writableState.updateNextTick()),super.on(name,fn)}}class Readable extends Stream{constructor(opts){super(opts),this._duplexState|=OPENING|WRITE_DONE,this._readableState=new ReadableState(this,opts),opts&&(opts.read&&(this._read=opts.read),opts.eagerOpen&&this.resume().pause())}_read(cb){cb(null)}pipe(dest,cb){return this._readableState.pipe(dest,cb),this._readableState.updateNextTick(),dest}read(){return this._readableState.updateNextTick(),this._readableState.read()}push(data){return this._readableState.updateNextTick(),this._readableState.push(data)}unshift(data){return this._readableState.updateNextTick(),this._readableState.unshift(data)}resume(){return this._duplexState|=READ_RESUMED,this._readableState.updateNextTick(),this}pause(){return this._duplexState&=READ_PAUSED,this}static _fromAsyncIterator(ite,opts){function push(data){data.done?rs.push(null):rs.push(data.value)}let destroy;const rs=new Readable({...opts,read(cb){ite.next().then(push).then(cb.bind(null,null)).catch(cb)},predestroy(){destroy=ite.return()},destroy(cb){return destroy?void destroy.then(cb.bind(null,null)).catch(cb):cb(null)}});return rs}static from(data,opts){if(isReadStreamx(data))return data;if(data[asyncIterator])return this._fromAsyncIterator(data[asyncIterator](),opts);Array.isArray(data)||(data=data===void 0?[]:[data]);let i=0;return new Readable({...opts,read(cb){this.push(i===data.length?null:data[i++]),cb(null)}})}static isBackpressured(rs){return 0!=(rs._duplexState&READ_BACKPRESSURE_STATUS)||rs._readableState.buffered>=rs._readableState.highWaterMark}static isPaused(rs){return 0==(rs._duplexState&READ_RESUMED)}[asyncIterator](){function onreadable(){null!==promiseResolve&&ondata(stream.read())}function onclose(){null!==promiseResolve&&ondata(null)}function ondata(data){null===promiseReject||(error?promiseReject(error):null===data&&0==(stream._duplexState&READ_DONE)?promiseReject(STREAM_DESTROYED):promiseResolve({value:data,done:null==data}),promiseReject=promiseResolve=null)}function destroy(err){return stream.destroy(err),new Promise((resolve,reject)=>stream._duplexState&DESTROYED?resolve({value:void 0,done:!0}):void stream.once("close",function(){err?reject(err):resolve({value:void 0,done:!0})}))}const stream=this;let error=null,promiseResolve=null,promiseReject=null;return this.on("error",err=>{error=err}),this.on("readable",onreadable),this.on("close",onclose),{[asyncIterator](){return this},next(){return new Promise(function(resolve,reject){promiseResolve=resolve,promiseReject=reject;const data=stream.read();null===data?0!=(stream._duplexState&DESTROYED)&&ondata(null):ondata(data)})},return(){return destroy(null)},throw(err){return destroy(err)}}}}class Writable extends Stream{constructor(opts){super(opts),this._duplexState|=OPENING|READ_DONE,this._writableState=new WritableState(this,opts),opts&&(opts.writev&&(this._writev=opts.writev),opts.write&&(this._write=opts.write),opts.final&&(this._final=opts.final))}_writev(batch,cb){cb(null)}_write(data,cb){this._writableState.autoBatch(data,cb)}_final(cb){cb(null)}static isBackpressured(ws){return 0!=(ws._duplexState&WRITE_BACKPRESSURE_STATUS)}write(data){return this._writableState.updateNextTick(),this._writableState.push(data)}end(data){return this._writableState.updateNextTick(),this._writableState.end(data),this}}class Duplex extends Readable{constructor(opts){super(opts),this._duplexState=OPENING,this._writableState=new WritableState(this,opts),opts&&(opts.writev&&(this._writev=opts.writev),opts.write&&(this._write=opts.write),opts.final&&(this._final=opts.final))}_writev(batch,cb){cb(null)}_write(data,cb){this._writableState.autoBatch(data,cb)}_final(cb){cb(null)}write(data){return this._writableState.updateNextTick(),this._writableState.push(data)}end(data){return this._writableState.updateNextTick(),this._writableState.end(data),this}}class Transform extends Duplex{constructor(opts){super(opts),this._transformState=new TransformState(this),opts&&(opts.transform&&(this._transform=opts.transform),opts.flush&&(this._flush=opts.flush))}_write(data,cb){this._readableState.buffered>=this._readableState.highWaterMark?this._transformState.data=data:this._transform(data,this._transformState.afterTransform)}_read(cb){if(null!==this._transformState.data){const data=this._transformState.data;this._transformState.data=null,cb(null),this._transform(data,this._transformState.afterTransform)}else cb(null)}_transform(data,cb){cb(null,data)}_flush(cb){cb(null)}_final(cb){this._transformState.afterFinal=cb,this._flush(transformAfterFlush.bind(this))}}class PassThrough extends Transform{}module.exports={pipeline,pipelinePromise,isStream,isStreamx,Stream,Writable,Readable,Duplex,Transform,PassThrough}},{events:156,"fast-fifo":160,"queue-tick":260}],320:[function(require,module,exports){(function(Buffer){(function(){const addrToIPPort=require("addr-to-ip-port"),ipaddr=require("ipaddr.js");module.exports=addrs=>("string"==typeof addrs&&(addrs=[addrs]),Buffer.concat(addrs.map(addr=>{const s=addrToIPPort(addr);if(2!==s.length)throw new Error("invalid address format, expecting: 10.10.10.5:128");const ip=ipaddr.parse(s[0]),ipBuf=Buffer.from(ip.toByteArray()),port=s[1],portBuf=Buffer.allocUnsafe(2);return portBuf.writeUInt16BE(port,0),Buffer.concat([ipBuf,portBuf])}))),module.exports.multi=module.exports,module.exports.multi6=module.exports}).call(this)}).call(this,require("buffer").Buffer)},{"addr-to-ip-port":16,buffer:101,"ipaddr.js":191}],321:[function(require,module,exports){arguments[4][96][0].apply(exports,arguments)},{dup:96,"safe-buffer":290}],322:[function(require,module,exports){var base32=require("./thirty-two");exports.encode=base32.encode,exports.decode=base32.decode},{"./thirty-two":323}],323:[function(require,module,exports){(function(Buffer){(function(){"use strict";function quintetCount(buff){var quintets=_Mathfloor(buff.length/5);return 0==buff.length%5?quintets:quintets+1}var charTable="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",byteTable=[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];exports.encode=function(plain){Buffer.isBuffer(plain)||(plain=new Buffer(plain));for(var i=0,j=0,shiftIndex=0,digit=0,encoded=new Buffer(8*quintetCount(plain));i<plain.length;){var current=plain[i];3<shiftIndex?(digit=current&255>>shiftIndex,shiftIndex=(shiftIndex+5)%8,digit=digit<<shiftIndex|(i+1<plain.length?plain[i+1]:0)>>8-shiftIndex,i++):(digit=31¤t>>8-(shiftIndex+5),shiftIndex=(shiftIndex+5)%8,0===shiftIndex&&i++),encoded[j]="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567".charCodeAt(digit),j++}for(i=j;i<encoded.length;i++)encoded[i]=61;return encoded},exports.decode=function(encoded){var shiftIndex=0,plainDigit=0,plainPos=0,plainChar;Buffer.isBuffer(encoded)||(encoded=new Buffer(encoded));for(var decoded=new Buffer(_Mathceil(5*encoded.length/8)),i=0;i<encoded.length&&!(61===encoded[i]);i++){var encodedByte=encoded[i]-48;if(encodedByte<byteTable.length)plainDigit=byteTable[encodedByte],3>=shiftIndex?(shiftIndex=(shiftIndex+5)%8,0===shiftIndex?(plainChar|=plainDigit,decoded[plainPos]=plainChar,plainPos++,plainChar=0):plainChar|=255&plainDigit<<8-shiftIndex):(shiftIndex=(shiftIndex+5)%8,plainChar|=255&plainDigit>>>shiftIndex,decoded[plainPos]=plainChar,plainPos++,plainChar=255&plainDigit<<8-shiftIndex);else throw new Error("Invalid input - it is not base32 encoded string")}return decoded.slice(0,plainPos)}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:101}],324:[function(require,module,exports){function getTick(start){return 65535&(+Date.now()-start)/timeDiff}const maxTick=65535,resolution=10,timeDiff=1e3/resolution;module.exports=function(seconds){const start=+Date.now(),size=resolution*(seconds||5),buffer=[0];let pointer=1,last=getTick(start)-1&maxTick;return function(delta){const tick=getTick(start);let dist=tick-last&maxTick;for(dist>size&&(dist=size),last=tick;dist--;)pointer===size&&(pointer=0),buffer[pointer]=buffer[0===pointer?size-1:pointer-1],pointer++;delta&&(buffer[pointer-1]+=delta);const top=buffer[pointer-1],btm=buffer.length<size?0:buffer[pointer===size?0:pointer];return buffer.length<resolution?top:(top-btm)*resolution/buffer.length}}},{}],325:[function(require,module,exports){(function(setImmediate,clearImmediate){(function(){function Timeout(id,clearFn){this._id=id,this._clearFn=clearFn}var nextTick=require("process/browser.js").nextTick,apply=Function.prototype.apply,slice=Array.prototype.slice,immediateIds={},nextImmediateId=0;exports.setTimeout=function(){return new Timeout(apply.call(setTimeout,window,arguments),clearTimeout)},exports.setInterval=function(){return new Timeout(apply.call(setInterval,window,arguments),clearInterval)},exports.clearTimeout=exports.clearInterval=function(timeout){timeout.close()},Timeout.prototype.unref=Timeout.prototype.ref=function(){},Timeout.prototype.close=function(){this._clearFn.call(window,this._id)},exports.enroll=function(item,msecs){clearTimeout(item._idleTimeoutId),item._idleTimeout=msecs},exports.unenroll=function(item){clearTimeout(item._idleTimeoutId),item._idleTimeout=-1},exports._unrefActive=exports.active=function(item){clearTimeout(item._idleTimeoutId);var msecs=item._idleTimeout;0<=msecs&&(item._idleTimeoutId=setTimeout(function onTimeout(){item._onTimeout&&item._onTimeout()},msecs))},exports.setImmediate="function"==typeof setImmediate?setImmediate:function(fn){var id=nextImmediateId++,args=!(2>arguments.length)&&slice.call(arguments,1);return immediateIds[id]=!0,nextTick(function onNextTick(){immediateIds[id]&&(args?fn.apply(null,args):fn.call(null),exports.clearImmediate(id))}),id},exports.clearImmediate="function"==typeof clearImmediate?clearImmediate:function(id){delete immediateIds[id]}}).call(this)}).call(this,require("timers").setImmediate,require("timers").clearImmediate)},{"process/browser.js":246,timers:325}],326:[function(require,module,exports){var Buffer=require("buffer").Buffer;module.exports=function(buf){if(buf instanceof Uint8Array){if(0===buf.byteOffset&&buf.byteLength===buf.buffer.byteLength)return buf.buffer;if("function"==typeof buf.buffer.slice)return buf.buffer.slice(buf.byteOffset,buf.byteOffset+buf.byteLength)}if(Buffer.isBuffer(buf)){for(var arrayCopy=new Uint8Array(buf.length),len=buf.length,i=0;i<len;i++)arrayCopy[i]=buf[i];return arrayCopy.buffer}throw new Error("Argument must be a Buffer")}},{buffer:101}],327:[function(require,module,exports){(function(process){(function(){/*! torrent-discovery. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const debug=require("debug")("torrent-discovery"),DHT=require("bittorrent-dht/client"),EventEmitter=require("events").EventEmitter,parallel=require("run-parallel"),Tracker=require("bittorrent-tracker/client"),LSD=require("bittorrent-lsd");class Discovery extends EventEmitter{constructor(opts){if(super(),!opts.peerId)throw new Error("Option `peerId` is required");if(!opts.infoHash)throw new Error("Option `infoHash` is required");if(!process.browser&&!opts.port)throw new Error("Option `port` is required");this.peerId="string"==typeof opts.peerId?opts.peerId:opts.peerId.toString("hex"),this.infoHash="string"==typeof opts.infoHash?opts.infoHash.toLowerCase():opts.infoHash.toString("hex"),this._port=opts.port,this._userAgent=opts.userAgent,this.destroyed=!1,this._announce=opts.announce||[],this._intervalMs=opts.intervalMs||900000,this._trackerOpts=null,this._dhtAnnouncing=!1,this._dhtTimeout=!1,this._internalDHT=!1,this._onWarning=err=>{this.emit("warning",err)},this._onError=err=>{this.emit("error",err)},this._onDHTPeer=(peer,infoHash)=>{infoHash.toString("hex")!==this.infoHash||this.emit("peer",`${peer.host}:${peer.port}`,"dht")},this._onTrackerPeer=peer=>{this.emit("peer",peer,"tracker")},this._onTrackerAnnounce=()=>{this.emit("trackerAnnounce")},this._onLSDPeer=(peer,infoHash)=>{this.emit("peer",peer,"lsd")};const createDHT=(port,opts)=>{const dht=new DHT(opts);return dht.on("warning",this._onWarning),dht.on("error",this._onError),dht.listen(port),this._internalDHT=!0,dht};!1===opts.tracker?this.tracker=null:opts.tracker&&"object"==typeof opts.tracker?(this._trackerOpts=Object.assign({},opts.tracker),this.tracker=this._createTracker()):this.tracker=this._createTracker(),this.dht=!1===opts.dht||"function"!=typeof DHT?null:opts.dht&&"function"==typeof opts.dht.addNode?opts.dht:opts.dht&&"object"==typeof opts.dht?createDHT(opts.dhtPort,opts.dht):createDHT(opts.dhtPort),this.dht&&(this.dht.on("peer",this._onDHTPeer),this._dhtAnnounce()),this.lsd=!1===opts.lsd||"function"!=typeof LSD?null:this._createLSD()}updatePort(port){port===this._port||(this._port=port,this.dht&&this._dhtAnnounce(),this.tracker&&(this.tracker.stop(),this.tracker.destroy(()=>{this.tracker=this._createTracker()})))}complete(opts){this.tracker&&this.tracker.complete(opts)}destroy(cb){if(!this.destroyed){this.destroyed=!0,clearTimeout(this._dhtTimeout);const tasks=[];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),tasks.push(cb=>{this.tracker.destroy(cb)})),this.dht&&this.dht.removeListener("peer",this._onDHTPeer),this._internalDHT&&(this.dht.removeListener("warning",this._onWarning),this.dht.removeListener("error",this._onError),tasks.push(cb=>{this.dht.destroy(cb)})),this.lsd&&(this.lsd.removeListener("warning",this._onWarning),this.lsd.removeListener("error",this._onError),this.lsd.removeListener("peer",this._onLSDPeer),tasks.push(cb=>{this.lsd.destroy(cb)})),parallel(tasks,cb),this.dht=null,this.tracker=null,this.lsd=null,this._announce=null}}_createTracker(){const opts=Object.assign({},this._trackerOpts,{infoHash:this.infoHash,announce:this._announce,peerId:this.peerId,port:this._port,userAgent:this._userAgent}),tracker=new Tracker(opts);return tracker.on("warning",this._onWarning),tracker.on("error",this._onError),tracker.on("peer",this._onTrackerPeer),tracker.on("update",this._onTrackerAnnounce),tracker.setInterval(this._intervalMs),tracker.start(),tracker}_dhtAnnounce(){this._dhtAnnouncing||(debug("dht announce"),this._dhtAnnouncing=!0,clearTimeout(this._dhtTimeout),this.dht.announce(this.infoHash,this._port,err=>{this._dhtAnnouncing=!1,debug("dht announce complete"),err&&this.emit("warning",err),this.emit("dhtAnnounce"),this.destroyed||(this._dhtTimeout=setTimeout(()=>{this._dhtAnnounce()},this._intervalMs+_Mathfloor(Math.random()*this._intervalMs/5)),this._dhtTimeout.unref&&this._dhtTimeout.unref())}))}_createLSD(){const opts=Object.assign({},{infoHash:this.infoHash,peerId:this.peerId,port:this._port}),lsd=new LSD(opts);return lsd.on("warning",this._onWarning),lsd.on("error",this._onError),lsd.on("peer",this._onLSDPeer),lsd.start(),lsd}}module.exports=Discovery}).call(this)}).call(this,require("_process"))},{_process:246,"bittorrent-dht/client":52,"bittorrent-lsd":53,"bittorrent-tracker/client":55,debug:122,events:156,"run-parallel":287}],328:[function(require,module,exports){(function(Buffer){(function(){/*! torrent-piece. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const BLOCK_LENGTH=16384;class Piece{constructor(length){this.length=length,this.missing=length,this.sources=null,this._chunks=_Mathceil(length/BLOCK_LENGTH),this._remainder=length%BLOCK_LENGTH||BLOCK_LENGTH,this._buffered=0,this._buffer=null,this._cancellations=null,this._reservations=0,this._flushed=!1}chunkLength(i){return i===this._chunks-1?this._remainder:BLOCK_LENGTH}chunkLengthRemaining(i){return this.length-i*BLOCK_LENGTH}chunkOffset(i){return i*BLOCK_LENGTH}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._cancellations.length||this._reservations<this._chunks){let min=this._reservations;for(;this._cancellations.length;)min=_Mathmin(min,this._cancellations.pop());return this._reservations=this._chunks,min}return-1}cancel(i){this.init()&&this._cancellations.push(i)}cancelRemaining(i){this.init()&&(this._reservations=i)}get(i){return this.init()?this._buffer[i]:null}set(i,data,source){if(!this.init())return!1;const len=data.length,blocks=_Mathceil(len/BLOCK_LENGTH);for(let j=0;j<blocks;j++)if(!this._buffer[i+j]){const offset=j*BLOCK_LENGTH,splitData=data.slice(offset,offset+BLOCK_LENGTH);this._buffered++,this._buffer[i+j]=splitData,this.missing-=splitData.length,this.sources.includes(source)||this.sources.push(source)}return this._buffered===this._chunks}flush(){if(!this._buffer||this._chunks!==this._buffered)return null;const buffer=Buffer.concat(this._buffer,this.length);return this._buffer=null,this._cancellations=null,this.sources=null,this._flushed=!0,buffer}init(){return!this._flushed&&(!!this._buffer||(this._buffer=Array(this._chunks),this._cancellations=[],this.sources=[],!0))}}Object.defineProperty(Piece,"BLOCK_LENGTH",{value:16384}),module.exports=Piece}).call(this)}).call(this,require("buffer").Buffer)},{buffer:101}],329:[function(require,module,exports){var bufferAlloc=require("buffer-alloc"),UINT_32_MAX=_Mathpow(2,32);exports.encodingLength=function(){return 8},exports.encode=function(num,buf,offset){buf||(buf=bufferAlloc(8)),offset||(offset=0);var top=_Mathfloor(num/UINT_32_MAX),rem=num-top*UINT_32_MAX;return buf.writeUInt32BE(top,offset),buf.writeUInt32BE(rem,offset+4),buf},exports.decode=function(buf,offset){offset||(offset=0);var top=buf.readUInt32BE(offset),rem=buf.readUInt32BE(offset+4);return top*UINT_32_MAX+rem},exports.encode.bytes=8,exports.decode.bytes=8},{"buffer-alloc":98}],330:[function(require,module,exports){function remove(arr,i){if(!(i>=arr.length||0>i)){var last=arr.pop();if(i<arr.length){var tmp=arr[i];return arr[i]=last,tmp}return last}}module.exports=remove},{}],331:[function(require,module,exports){"use strict";function Url(){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 urlParse(url,parseQueryString,slashesDenoteHost){if(url&&util.isObject(url)&&url instanceof Url)return url;var u=new Url;return u.parse(url,parseQueryString,slashesDenoteHost),u}function urlFormat(obj){return util.isString(obj)&&(obj=urlParse(obj)),obj instanceof Url?obj.format():Url.prototype.format.call(obj)}function urlResolve(source,relative){return urlParse(source,!1,!0).resolve(relative)}function urlResolveObject(source,relative){return source?urlParse(source,!1,!0).resolveObject(relative):relative}var punycode=require("punycode"),util=require("./util");exports.parse=urlParse,exports.resolve=urlResolve,exports.resolveObject=urlResolveObject,exports.format=urlFormat,exports.Url=Url;var protocolPattern=/^([a-z0-9.+-]+:)/i,portPattern=/:[0-9]*$/,simplePathPattern=/^(\/\/?(?!\/)[^\?\s]*)(\?[^\s]*)?$/,delims=["<",">","\"","`"," ","\r","\n","\t"],unwise=["{","}","|","\\","^","`"].concat(delims),autoEscape=["'"].concat(unwise),nonHostChars=["%","/","?",";","#"].concat(autoEscape),hostEndingChars=["/","?","#"],hostnameMaxLen=255,hostnamePartPattern=/^[+a-z0-9A-Z_-]{0,63}$/,hostnamePartStart=/^([+a-z0-9A-Z_-]{0,63})(.*)$/,unsafeProtocol={javascript:!0,"javascript:":!0},hostlessProtocol={javascript:!0,"javascript:":!0},slashedProtocol={http:!0,https:!0,ftp:!0,gopher:!0,file:!0,"http:":!0,"https:":!0,"ftp:":!0,"gopher:":!0,"file:":!0},querystring=require("querystring");Url.prototype.parse=function(url,parseQueryString,slashesDenoteHost){if(!util.isString(url))throw new TypeError("Parameter 'url' must be a string, not "+typeof url);var queryIndex=url.indexOf("?"),splitter=-1!==queryIndex&&queryIndex<url.indexOf("#")?"?":"#",uSplit=url.split(splitter),slashRegex=/\\/g;uSplit[0]=uSplit[0].replace(slashRegex,"/"),url=uSplit.join(splitter);var rest=url;if(rest=rest.trim(),!slashesDenoteHost&&1===url.split("#").length){var simplePath=simplePathPattern.exec(rest);if(simplePath)return this.path=rest,this.href=rest,this.pathname=simplePath[1],simplePath[2]?(this.search=simplePath[2],this.query=parseQueryString?querystring.parse(this.search.substr(1)):this.search.substr(1)):parseQueryString&&(this.search="",this.query={}),this}var proto=protocolPattern.exec(rest);if(proto){proto=proto[0];var lowerProto=proto.toLowerCase();this.protocol=lowerProto,rest=rest.substr(proto.length)}if(slashesDenoteHost||proto||rest.match(/^\/\/[^@\/]+@[^@\/]+/)){var slashes="//"===rest.substr(0,2);slashes&&!(proto&&hostlessProtocol[proto])&&(rest=rest.substr(2),this.slashes=!0)}if(!hostlessProtocol[proto]&&(slashes||proto&&!slashedProtocol[proto])){for(var hostEnd=-1,i=0,hec;i<hostEndingChars.length;i++)hec=rest.indexOf(hostEndingChars[i]),-1!==hec&&(-1===hostEnd||hec<hostEnd)&&(hostEnd=hec);var auth,atSign;atSign=-1===hostEnd?rest.lastIndexOf("@"):rest.lastIndexOf("@",hostEnd),-1!==atSign&&(auth=rest.slice(0,atSign),rest=rest.slice(atSign+1),this.auth=decodeURIComponent(auth)),hostEnd=-1;for(var i=0,hec;i<nonHostChars.length;i++)hec=rest.indexOf(nonHostChars[i]),-1!==hec&&(-1===hostEnd||hec<hostEnd)&&(hostEnd=hec);-1===hostEnd&&(hostEnd=rest.length),this.host=rest.slice(0,hostEnd),rest=rest.slice(hostEnd),this.parseHost(),this.hostname=this.hostname||"";var ipv6Hostname="["===this.hostname[0]&&"]"===this.hostname[this.hostname.length-1];if(!ipv6Hostname)for(var hostparts=this.hostname.split(/\./),i=0,l=hostparts.length,part;i<l;i++)if(part=hostparts[i],part&&!part.match(hostnamePartPattern)){for(var newpart="",j=0,k=part.length;j<k;j++)newpart+=127<part.charCodeAt(j)?"x":part[j];if(!newpart.match(hostnamePartPattern)){var validParts=hostparts.slice(0,i),notHost=hostparts.slice(i+1),bit=part.match(hostnamePartStart);bit&&(validParts.push(bit[1]),notHost.unshift(bit[2])),notHost.length&&(rest="/"+notHost.join(".")+rest),this.hostname=validParts.join(".");break}}this.hostname=255<this.hostname.length?"":this.hostname.toLowerCase(),ipv6Hostname||(this.hostname=punycode.toASCII(this.hostname));var p=this.port?":"+this.port:"",h=this.hostname||"";this.host=h+p,this.href+=this.host,ipv6Hostname&&(this.hostname=this.hostname.substr(1,this.hostname.length-2),"/"!==rest[0]&&(rest="/"+rest))}if(!unsafeProtocol[lowerProto])for(var i=0,l=autoEscape.length,ae;i<l;i++)if(ae=autoEscape[i],-1!==rest.indexOf(ae)){var esc=encodeURIComponent(ae);esc===ae&&(esc=escape(ae)),rest=rest.split(ae).join(esc)}var hash=rest.indexOf("#");-1!==hash&&(this.hash=rest.substr(hash),rest=rest.slice(0,hash));var qm=rest.indexOf("?");if(-1===qm?parseQueryString&&(this.search="",this.query={}):(this.search=rest.substr(qm),this.query=rest.substr(qm+1),parseQueryString&&(this.query=querystring.parse(this.query)),rest=rest.slice(0,qm)),rest&&(this.pathname=rest),slashedProtocol[lowerProto]&&this.hostname&&!this.pathname&&(this.pathname="/"),this.pathname||this.search){var p=this.pathname||"",s=this.search||"";this.path=p+s}return this.href=this.format(),this},Url.prototype.format=function(){var auth=this.auth||"";auth&&(auth=encodeURIComponent(auth),auth=auth.replace(/%3A/i,":"),auth+="@");var protocol=this.protocol||"",pathname=this.pathname||"",hash=this.hash||"",host=!1,query="";this.host?host=auth+this.host:this.hostname&&(host=auth+(-1===this.hostname.indexOf(":")?this.hostname:"["+this.hostname+"]"),this.port&&(host+=":"+this.port)),this.query&&util.isObject(this.query)&&Object.keys(this.query).length&&(query=querystring.stringify(this.query));var search=this.search||query&&"?"+query||"";return protocol&&":"!==protocol.substr(-1)&&(protocol+=":"),this.slashes||(!protocol||slashedProtocol[protocol])&&!1!==host?(host="//"+(host||""),pathname&&"/"!==pathname.charAt(0)&&(pathname="/"+pathname)):!host&&(host=""),hash&&"#"!==hash.charAt(0)&&(hash="#"+hash),search&&"?"!==search.charAt(0)&&(search="?"+search),pathname=pathname.replace(/[?#]/g,function(match){return encodeURIComponent(match)}),search=search.replace("#","%23"),protocol+host+pathname+search+hash},Url.prototype.resolve=function(relative){return this.resolveObject(urlParse(relative,!1,!0)).format()},Url.prototype.resolveObject=function(relative){if(util.isString(relative)){var rel=new Url;rel.parse(relative,!1,!0),relative=rel}for(var result=new Url,tkeys=Object.keys(this),tk=0,tkey;tk<tkeys.length;tk++)tkey=tkeys[tk],result[tkey]=this[tkey];if(result.hash=relative.hash,""===relative.href)return result.href=result.format(),result;if(relative.slashes&&!relative.protocol){for(var rkeys=Object.keys(relative),rk=0,rkey;rk<rkeys.length;rk++)rkey=rkeys[rk],"protocol"!==rkey&&(result[rkey]=relative[rkey]);return slashedProtocol[result.protocol]&&result.hostname&&!result.pathname&&(result.path=result.pathname="/"),result.href=result.format(),result}if(relative.protocol&&relative.protocol!==result.protocol){if(!slashedProtocol[relative.protocol]){for(var keys=Object.keys(relative),v=0,k;v<keys.length;v++)k=keys[v],result[k]=relative[k];return result.href=result.format(),result}if(result.protocol=relative.protocol,!relative.host&&!hostlessProtocol[relative.protocol]){for(var relPath=(relative.pathname||"").split("/");relPath.length&&!(relative.host=relPath.shift()););relative.host||(relative.host=""),relative.hostname||(relative.hostname=""),""!==relPath[0]&&relPath.unshift(""),2>relPath.length&&relPath.unshift(""),result.pathname=relPath.join("/")}else result.pathname=relative.pathname;if(result.search=relative.search,result.query=relative.query,result.host=relative.host||"",result.auth=relative.auth,result.hostname=relative.hostname||relative.host,result.port=relative.port,result.pathname||result.search){var p=result.pathname||"",s=result.search||"";result.path=p+s}return result.slashes=result.slashes||relative.slashes,result.href=result.format(),result}var isSourceAbs=result.pathname&&"/"===result.pathname.charAt(0),isRelAbs=relative.host||relative.pathname&&"/"===relative.pathname.charAt(0),mustEndAbs=isRelAbs||isSourceAbs||result.host&&relative.pathname,removeAllDots=mustEndAbs,srcPath=result.pathname&&result.pathname.split("/")||[],relPath=relative.pathname&&relative.pathname.split("/")||[],psychotic=result.protocol&&!slashedProtocol[result.protocol];if(psychotic&&(result.hostname="",result.port=null,result.host&&(""===srcPath[0]?srcPath[0]=result.host:srcPath.unshift(result.host)),result.host="",relative.protocol&&(relative.hostname=null,relative.port=null,relative.host&&(""===relPath[0]?relPath[0]=relative.host:relPath.unshift(relative.host)),relative.host=null),mustEndAbs=mustEndAbs&&(""===relPath[0]||""===srcPath[0])),isRelAbs)result.host=relative.host||""===relative.host?relative.host:result.host,result.hostname=relative.hostname||""===relative.hostname?relative.hostname:result.hostname,result.search=relative.search,result.query=relative.query,srcPath=relPath;else if(relPath.length)srcPath||(srcPath=[]),srcPath.pop(),srcPath=srcPath.concat(relPath),result.search=relative.search,result.query=relative.query;else if(!util.isNullOrUndefined(relative.search)){if(psychotic){result.hostname=result.host=srcPath.shift();var authInHost=!!(result.host&&0<result.host.indexOf("@"))&&result.host.split("@");authInHost&&(result.auth=authInHost.shift(),result.host=result.hostname=authInHost.shift())}return result.search=relative.search,result.query=relative.query,util.isNull(result.pathname)&&util.isNull(result.search)||(result.path=(result.pathname?result.pathname:"")+(result.search?result.search:"")),result.href=result.format(),result}if(!srcPath.length)return result.pathname=null,result.path=result.search?"/"+result.search:null,result.href=result.format(),result;for(var last=srcPath.slice(-1)[0],hasTrailingSlash=(result.host||relative.host||1<srcPath.length)&&("."===last||".."===last)||""===last,up=0,i=srcPath.length;0<=i;i--)last=srcPath[i],"."===last?srcPath.splice(i,1):".."===last?(srcPath.splice(i,1),up++):up&&(srcPath.splice(i,1),up--);if(!mustEndAbs&&!removeAllDots)for(;up--;up)srcPath.unshift("..");mustEndAbs&&""!==srcPath[0]&&(!srcPath[0]||"/"!==srcPath[0].charAt(0))&&srcPath.unshift(""),hasTrailingSlash&&"/"!==srcPath.join("/").substr(-1)&&srcPath.push("");var isAbsolute=""===srcPath[0]||srcPath[0]&&"/"===srcPath[0].charAt(0);if(psychotic){result.hostname=result.host=isAbsolute?"":srcPath.length?srcPath.shift():"";var authInHost=!!(result.host&&0<result.host.indexOf("@"))&&result.host.split("@");authInHost&&(result.auth=authInHost.shift(),result.host=result.hostname=authInHost.shift())}return mustEndAbs=mustEndAbs||result.host&&srcPath.length,mustEndAbs&&!isAbsolute&&srcPath.unshift(""),srcPath.length?result.pathname=srcPath.join("/"):(result.pathname=null,result.path=null),util.isNull(result.pathname)&&util.isNull(result.search)||(result.path=(result.pathname?result.pathname:"")+(result.search?result.search:"")),result.auth=relative.auth||result.auth,result.slashes=result.slashes||relative.slashes,result.href=result.format(),result},Url.prototype.parseHost=function(){var host=this.host,port=portPattern.exec(host);port&&(port=port[0],":"!==port&&(this.port=port.substr(1)),host=host.substr(0,host.length-port.length)),host&&(this.hostname=host)}},{"./util":332,punycode:255,querystring:258}],332:[function(require,module,exports){"use strict";module.exports={isString:function(arg){return"string"==typeof arg},isObject:function(arg){return"object"==typeof arg&&null!==arg},isNull:function(arg){return null===arg},isNullOrUndefined:function(arg){return null==arg}}},{}],333:[function(require,module,exports){(function(Buffer){(function(){/*! ut_metadata. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const{EventEmitter}=require("events"),bencode=require("bencode"),BitField=require("bitfield").default,debug=require("debug")("ut_metadata"),sha1=require("simple-sha1"),MAX_METADATA_SIZE=1E7,BITFIELD_GROW=1E3,PIECE_LENGTH=16384;module.exports=metadata=>{class utMetadata extends EventEmitter{constructor(wire){super(),this._wire=wire,this._fetching=!1,this._metadataComplete=!1,this._metadataSize=null,this._remainingRejects=null,this._bitfield=new BitField(0,{grow:BITFIELD_GROW}),Buffer.isBuffer(metadata)&&this.setMetadata(metadata)}onHandshake(infoHash,peerId,extensions){this._infoHash=infoHash}onExtendedHandshake(handshake){return handshake.m&&handshake.m.ut_metadata?handshake.metadata_size?"number"!=typeof handshake.metadata_size||MAX_METADATA_SIZE<handshake.metadata_size||0>=handshake.metadata_size?this.emit("warning",new Error("Peer gave invalid metadata size")):void(this._metadataSize=handshake.metadata_size,this._numPieces=_Mathceil(this._metadataSize/PIECE_LENGTH),this._remainingRejects=2*this._numPieces,this._requestPieces()):this.emit("warning",new Error("Peer does not have metadata")):this.emit("warning",new Error("Peer does not support ut_metadata"))}onMessage(buf){let dict,trailer;try{const str=buf.toString(),trailerIndex=str.indexOf("ee")+2;dict=bencode.decode(str.substring(0,trailerIndex)),trailer=buf.slice(trailerIndex)}catch(err){return}switch(dict.msg_type){case 0:this._onRequest(dict.piece);break;case 1:this._onData(dict.piece,trailer,dict.total_size);break;case 2:this._onReject(dict.piece);}}fetch(){this._metadataComplete||(this._fetching=!0,this._metadataSize&&this._requestPieces())}cancel(){this._fetching=!1}setMetadata(metadata){if(this._metadataComplete)return!0;debug("set metadata");try{const info=bencode.decode(metadata).info;info&&(metadata=bencode.encode(info))}catch(err){}return!(this._infoHash&&this._infoHash!==sha1.sync(metadata))&&(this.cancel(),this.metadata=metadata,this._metadataComplete=!0,this._metadataSize=this.metadata.length,this._wire.extendedHandshake.metadata_size=this._metadataSize,this.emit("metadata",bencode.encode({info:bencode.decode(this.metadata)})),!0)}_send(dict,trailer){let buf=bencode.encode(dict);Buffer.isBuffer(trailer)&&(buf=Buffer.concat([buf,trailer])),this._wire.extended("ut_metadata",buf)}_request(piece){this._send({msg_type:0,piece})}_data(piece,buf,totalSize){const msg={msg_type:1,piece};"number"==typeof totalSize&&(msg.total_size=totalSize),this._send(msg,buf)}_reject(piece){this._send({msg_type:2,piece})}_onRequest(piece){if(!this._metadataComplete)return void this._reject(piece);const start=piece*PIECE_LENGTH;let end=start+PIECE_LENGTH;end>this._metadataSize&&(end=this._metadataSize);const buf=this.metadata.slice(start,end);this._data(piece,buf,this._metadataSize)}_onData(piece,buf,totalSize){buf.length>PIECE_LENGTH||!this._fetching||(buf.copy(this.metadata,piece*PIECE_LENGTH),this._bitfield.set(piece),this._checkDone())}_onReject(piece){0<this._remainingRejects&&this._fetching?(this._request(piece),this._remainingRejects-=1):this.emit("warning",new Error("Peer sent \"reject\" too much"))}_requestPieces(){if(this._fetching){this.metadata=Buffer.alloc(this._metadataSize);for(let piece=0;piece<this._numPieces;piece++)this._request(piece)}}_checkDone(){let done=!0;for(let piece=0;piece<this._numPieces;piece++)if(!this._bitfield.get(piece)){done=!1;break}if(done){const success=this.setMetadata(this.metadata);success||this._failedMetadata()}}_failedMetadata(){this._bitfield=new BitField(0,{grow:BITFIELD_GROW}),this._remainingRejects-=this._numPieces,0<this._remainingRejects?this._requestPieces():this.emit("warning",new Error("Peer sent invalid metadata"))}}return utMetadata.prototype.name="ut_metadata",utMetadata}}).call(this)}).call(this,require("buffer").Buffer)},{bencode:47,bitfield:51,buffer:101,debug:122,events:156,"simple-sha1":303}],334:[function(require,module,exports){(function(Buffer){(function(){/*! ut_pex. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const EventEmitter=require("events").EventEmitter,compact2string=require("compact2string"),string2compact=require("string2compact"),bencode=require("bencode"),PEX_INTERVAL=65e3,PEX_MAX_PEERS=50,PEX_MIN_ALLOWED_INTERVAL=6e4,FLAGS={prefersEncryption:1,isSender:2,supportsUtp:4,supportsUtHolepunch:8,isReachable:16};module.exports=()=>{class utPex extends EventEmitter{constructor(wire){super(),this._wire=wire,this._intervalId=null,this._lastMessageTimestamp=0,this.reset()}start(){clearInterval(this._intervalId),this._intervalId=setInterval(()=>this._sendMessage(),PEX_INTERVAL),this._intervalId.unref&&this._intervalId.unref()}stop(){clearInterval(this._intervalId),this._intervalId=null}reset(){this._remoteAddedPeers={},this._remoteDroppedPeers={},this._localAddedPeers={},this._localDroppedPeers={},this.stop()}addPeer(peer,flags={}){this._addPeer(peer,this._encodeFlags(flags),4)}addPeer6(peer,flags={}){this._addPeer(peer,this._encodeFlags(flags),6)}_addPeer(peer,flags,version){!peer.includes(":")||peer in this._remoteAddedPeers||(peer in this._localDroppedPeers&&delete this._localDroppedPeers[peer],this._localAddedPeers[peer]={ip:version,flags:flags})}dropPeer(peer){this._dropPeer(peer,4)}dropPeer6(peer){this._dropPeer(peer,6)}_dropPeer(peer,version){!peer.includes(":")||peer in this._remoteDroppedPeers||(peer in this._localAddedPeers&&delete this._localAddedPeers[peer],this._localDroppedPeers[peer]={ip:version})}onExtendedHandshake(handshake){if(!handshake.m||!handshake.m.ut_pex)return this.emit("warning",new Error("Peer does not support ut_pex"))}onMessage(buf){const currentMessageTimestamp=Date.now();if(currentMessageTimestamp-this._lastMessageTimestamp<PEX_MIN_ALLOWED_INTERVAL)return this.reset(),this._wire.destroy(),this.emit("warning",new Error("Peer disconnected for sending PEX messages too frequently"));this._lastMessageTimestamp=currentMessageTimestamp;let message;try{message=bencode.decode(buf),message.added&&compact2string.multi(message.added).forEach((peer,idx)=>{if(delete this._remoteDroppedPeers[peer],!(peer in this._remoteAddedPeers)){const flags=message["added.f"][idx];this._remoteAddedPeers[peer]={ip:4,flags:flags},this.emit("peer",peer,this._decodeFlags(flags))}}),message.added6&&compact2string.multi6(message.added6).forEach((peer,idx)=>{if(delete this._remoteDroppedPeers[peer],!(peer in this._remoteAddedPeers)){const flags=message["added6.f"][idx];this._remoteAddedPeers[peer]={ip:6,flags:flags},this.emit("peer",peer,this._decodeFlags(flags))}}),message.dropped&&compact2string.multi(message.dropped).forEach(peer=>{delete this._remoteAddedPeers[peer],peer in this._remoteDroppedPeers||(this._remoteDroppedPeers[peer]={ip:4},this.emit("dropped",peer))}),message.dropped6&&compact2string.multi6(message.dropped6).forEach(peer=>{delete this._remoteAddedPeers[peer],peer in this._remoteDroppedPeers||(this._remoteDroppedPeers[peer]={ip:6},this.emit("dropped",peer))})}catch(err){}}_decodeFlags(flags){return{prefersEncryption:!!(flags&FLAGS.prefersEncryption),isSender:!!(flags&FLAGS.isSender),supportsUtp:!!(flags&FLAGS.supportsUtp),supportsUtHolepunch:!!(flags&FLAGS.supportsUtHolepunch),isReachable:!!(flags&FLAGS.isReachable)}}_encodeFlags(flags){return Object.keys(flags).reduce((acc,cur)=>!0===flags[cur]?acc|FLAGS[cur]:acc,0)}_sendMessage(){const localAdded=Object.keys(this._localAddedPeers).slice(0,PEX_MAX_PEERS),localDropped=Object.keys(this._localDroppedPeers).slice(0,PEX_MAX_PEERS),_isIPv4=(peers,addr)=>4===peers[addr].ip,_isIPv6=(peers,addr)=>6===peers[addr].ip,_flags=(peers,addr)=>peers[addr].flags,added=string2compact(localAdded.filter(k=>_isIPv4(this._localAddedPeers,k))),added6=string2compact(localAdded.filter(k=>_isIPv6(this._localAddedPeers,k))),dropped=string2compact(localDropped.filter(k=>_isIPv4(this._localDroppedPeers,k))),dropped6=string2compact(localDropped.filter(k=>_isIPv6(this._localDroppedPeers,k))),addedFlags=Buffer.from(localAdded.filter(k=>_isIPv4(this._localAddedPeers,k)).map(k=>_flags(this._localAddedPeers,k))),added6Flags=Buffer.from(localAdded.filter(k=>_isIPv6(this._localAddedPeers,k)).map(k=>_flags(this._localAddedPeers,k)));localAdded.forEach(peer=>delete this._localAddedPeers[peer]),localDropped.forEach(peer=>delete this._localDroppedPeers[peer]),this._wire.extended("ut_pex",{added:added,"added.f":addedFlags,dropped:dropped,added6:added6,"added6.f":added6Flags,dropped6:dropped6})}}return utPex.prototype.name="ut_pex",utPex}}).call(this)}).call(this,require("buffer").Buffer)},{bencode:47,buffer:101,compact2string:112,events:156,string2compact:320}],335:[function(require,module,exports){(function(global){(function(){function deprecate(fn,msg){function deprecated(){if(!warned){if(config("throwDeprecation"))throw new Error(msg);else config("traceDeprecation")?console.trace(msg):console.warn(msg);warned=!0}return fn.apply(this,arguments)}if(config("noDeprecation"))return fn;var warned=!1;return deprecated}function config(name){try{if(!global.localStorage)return!1}catch(_){return!1}var val=global.localStorage[name];return null!=val&&"true"===(val+"").toLowerCase()}module.exports=deprecate}).call(this)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{}],336:[function(require,module,exports){arguments[4][34][0].apply(exports,arguments)},{dup:34}],337:[function(require,module,exports){"use strict";function uncurryThis(f){return f.call.bind(f)}function checkBoxedPrimitive(value,prototypeValueOf){if("object"!=typeof value)return!1;try{return prototypeValueOf(value),!0}catch(e){return!1}}function isPromise(input){return"undefined"!=typeof Promise&&input instanceof Promise||null!==input&&"object"==typeof input&&"function"==typeof input.then&&"function"==typeof input.catch}function isArrayBufferView(value){return"undefined"!=typeof ArrayBuffer&&ArrayBuffer.isView?ArrayBuffer.isView(value):isTypedArray(value)||isDataView(value)}function isUint8Array(value){return"Uint8Array"===whichTypedArray(value)}function isUint8ClampedArray(value){return"Uint8ClampedArray"===whichTypedArray(value)}function isUint16Array(value){return"Uint16Array"===whichTypedArray(value)}function isUint32Array(value){return"Uint32Array"===whichTypedArray(value)}function isInt8Array(value){return"Int8Array"===whichTypedArray(value)}function isInt16Array(value){return"Int16Array"===whichTypedArray(value)}function isInt32Array(value){return"Int32Array"===whichTypedArray(value)}function isFloat32Array(value){return"Float32Array"===whichTypedArray(value)}function isFloat64Array(value){return"Float64Array"===whichTypedArray(value)}function isBigInt64Array(value){return"BigInt64Array"===whichTypedArray(value)}function isBigUint64Array(value){return"BigUint64Array"===whichTypedArray(value)}function isMapToString(value){return"[object Map]"===ObjectToString(value)}function isMap(value){return"undefined"!=typeof Map&&(isMapToString.working?isMapToString(value):value instanceof Map)}function isSetToString(value){return"[object Set]"===ObjectToString(value)}function isSet(value){return"undefined"!=typeof Set&&(isSetToString.working?isSetToString(value):value instanceof Set)}function isWeakMapToString(value){return"[object WeakMap]"===ObjectToString(value)}function isWeakMap(value){return"undefined"!=typeof WeakMap&&(isWeakMapToString.working?isWeakMapToString(value):value instanceof WeakMap)}function isWeakSetToString(value){return"[object WeakSet]"===ObjectToString(value)}function isWeakSet(value){return isWeakSetToString(value)}function isArrayBufferToString(value){return"[object ArrayBuffer]"===ObjectToString(value)}function isArrayBuffer(value){return"undefined"!=typeof ArrayBuffer&&(isArrayBufferToString.working?isArrayBufferToString(value):value instanceof ArrayBuffer)}function isDataViewToString(value){return"[object DataView]"===ObjectToString(value)}function isDataView(value){return"undefined"!=typeof DataView&&(isDataViewToString.working?isDataViewToString(value):value instanceof DataView)}function isSharedArrayBufferToString(value){return"[object SharedArrayBuffer]"===ObjectToString(value)}function isSharedArrayBuffer(value){return"undefined"!=typeof SharedArrayBufferCopy&&("undefined"==typeof isSharedArrayBufferToString.working&&(isSharedArrayBufferToString.working=isSharedArrayBufferToString(new SharedArrayBufferCopy)),isSharedArrayBufferToString.working?isSharedArrayBufferToString(value):value instanceof SharedArrayBufferCopy)}function isAsyncFunction(value){return"[object AsyncFunction]"===ObjectToString(value)}function isMapIterator(value){return"[object Map Iterator]"===ObjectToString(value)}function isSetIterator(value){return"[object Set Iterator]"===ObjectToString(value)}function isGeneratorObject(value){return"[object Generator]"===ObjectToString(value)}function isWebAssemblyCompiledModule(value){return"[object WebAssembly.Module]"===ObjectToString(value)}function isNumberObject(value){return checkBoxedPrimitive(value,numberValue)}function isStringObject(value){return checkBoxedPrimitive(value,stringValue)}function isBooleanObject(value){return checkBoxedPrimitive(value,booleanValue)}function isBigIntObject(value){return BigIntSupported&&checkBoxedPrimitive(value,bigIntValue)}function isSymbolObject(value){return SymbolSupported&&checkBoxedPrimitive(value,symbolValue)}function isBoxedPrimitive(value){return isNumberObject(value)||isStringObject(value)||isBooleanObject(value)||isBigIntObject(value)||isSymbolObject(value)}function isAnyArrayBuffer(value){return"undefined"!=typeof Uint8Array&&(isArrayBuffer(value)||isSharedArrayBuffer(value))}var isArgumentsObject=require("is-arguments"),isGeneratorFunction=require("is-generator-function"),whichTypedArray=require("which-typed-array"),isTypedArray=require("is-typed-array"),BigIntSupported="undefined"!=typeof BigInt,SymbolSupported="undefined"!=typeof Symbol,ObjectToString=uncurryThis(Object.prototype.toString),numberValue=uncurryThis(Number.prototype.valueOf),stringValue=uncurryThis(_Stringprototype.valueOf),booleanValue=uncurryThis(Boolean.prototype.valueOf);if(BigIntSupported)var bigIntValue=uncurryThis(BigInt.prototype.valueOf);if(SymbolSupported)var symbolValue=uncurryThis(Symbol.prototype.valueOf);exports.isArgumentsObject=isArgumentsObject,exports.isGeneratorFunction=isGeneratorFunction,exports.isTypedArray=isTypedArray,exports.isPromise=isPromise,exports.isArrayBufferView=isArrayBufferView,exports.isUint8Array=isUint8Array,exports.isUint8ClampedArray=isUint8ClampedArray,exports.isUint16Array=isUint16Array,exports.isUint32Array=isUint32Array,exports.isInt8Array=isInt8Array,exports.isInt16Array=isInt16Array,exports.isInt32Array=isInt32Array,exports.isFloat32Array=isFloat32Array,exports.isFloat64Array=isFloat64Array,exports.isBigInt64Array=isBigInt64Array,exports.isBigUint64Array=isBigUint64Array,isMapToString.working="undefined"!=typeof Map&&isMapToString(new Map),exports.isMap=isMap,isSetToString.working="undefined"!=typeof Set&&isSetToString(new Set),exports.isSet=isSet,isWeakMapToString.working="undefined"!=typeof WeakMap&&isWeakMapToString(new WeakMap),exports.isWeakMap=isWeakMap,isWeakSetToString.working="undefined"!=typeof WeakSet&&isWeakSetToString(new WeakSet),exports.isWeakSet=isWeakSet,isArrayBufferToString.working="undefined"!=typeof ArrayBuffer&&isArrayBufferToString(new ArrayBuffer),exports.isArrayBuffer=isArrayBuffer,isDataViewToString.working="undefined"!=typeof ArrayBuffer&&"undefined"!=typeof DataView&&isDataViewToString(new DataView(new ArrayBuffer(1),0,1)),exports.isDataView=isDataView;var SharedArrayBufferCopy="undefined"==typeof SharedArrayBuffer?void 0:SharedArrayBuffer;exports.isSharedArrayBuffer=isSharedArrayBuffer,exports.isAsyncFunction=isAsyncFunction,exports.isMapIterator=isMapIterator,exports.isSetIterator=isSetIterator,exports.isGeneratorObject=isGeneratorObject,exports.isWebAssemblyCompiledModule=isWebAssemblyCompiledModule,exports.isNumberObject=isNumberObject,exports.isStringObject=isStringObject,exports.isBooleanObject=isBooleanObject,exports.isBigIntObject=isBigIntObject,exports.isSymbolObject=isSymbolObject,exports.isBoxedPrimitive=isBoxedPrimitive,exports.isAnyArrayBuffer=isAnyArrayBuffer,["isProxy","isExternal","isModuleNamespaceObject"].forEach(function(method){Object.defineProperty(exports,method,{enumerable:!1,value:function(){throw new Error(method+" is not supported in userland")}})})},{"is-arguments":192,"is-generator-function":196,"is-typed-array":197,"which-typed-array":341}],338:[function(require,module,exports){(function(process){(function(){function inspect(obj,opts){var ctx={seen:[],stylize:stylizeNoColor};return 3<=arguments.length&&(ctx.depth=arguments[2]),4<=arguments.length&&(ctx.colors=arguments[3]),isBoolean(opts)?ctx.showHidden=opts:opts&&exports._extend(ctx,opts),isUndefined(ctx.showHidden)&&(ctx.showHidden=!1),isUndefined(ctx.depth)&&(ctx.depth=2),isUndefined(ctx.colors)&&(ctx.colors=!1),isUndefined(ctx.customInspect)&&(ctx.customInspect=!0),ctx.colors&&(ctx.stylize=stylizeWithColor),formatValue(ctx,obj,ctx.depth)}function stylizeWithColor(str,styleType){var style=inspect.styles[styleType];return style?"\x1B["+inspect.colors[style][0]+"m"+str+"\x1B["+inspect.colors[style][1]+"m":str}function stylizeNoColor(str,styleType){return str}function arrayToHash(array){var hash={};return array.forEach(function(val,idx){hash[val]=!0}),hash}function formatValue(ctx,value,recurseTimes){if(ctx.customInspect&&value&&isFunction(value.inspect)&&value.inspect!==exports.inspect&&!(value.constructor&&value.constructor.prototype===value)){var ret=value.inspect(recurseTimes,ctx);return isString(ret)||(ret=formatValue(ctx,ret,recurseTimes)),ret}var primitive=formatPrimitive(ctx,value);if(primitive)return primitive;var keys=Object.keys(value),visibleKeys=arrayToHash(keys);if(ctx.showHidden&&(keys=Object.getOwnPropertyNames(value)),isError(value)&&(0<=keys.indexOf("message")||0<=keys.indexOf("description")))return formatError(value);if(0===keys.length){if(isFunction(value)){var name=value.name?": "+value.name:"";return ctx.stylize("[Function"+name+"]","special")}if(isRegExp(value))return ctx.stylize(RegExp.prototype.toString.call(value),"regexp");if(isDate(value))return ctx.stylize(Date.prototype.toString.call(value),"date");if(isError(value))return formatError(value)}var base="",array=!1,braces=["{","}"];if(isArray(value)&&(array=!0,braces=["[","]"]),isFunction(value)){var n=value.name?": "+value.name:"";base=" [Function"+n+"]"}if(isRegExp(value)&&(base=" "+RegExp.prototype.toString.call(value)),isDate(value)&&(base=" "+Date.prototype.toUTCString.call(value)),isError(value)&&(base=" "+formatError(value)),0===keys.length&&(!array||0==value.length))return braces[0]+base+braces[1];if(0>recurseTimes)return isRegExp(value)?ctx.stylize(RegExp.prototype.toString.call(value),"regexp"):ctx.stylize("[Object]","special");ctx.seen.push(value);var output;return output=array?formatArray(ctx,value,recurseTimes,visibleKeys,keys):keys.map(function(key){return formatProperty(ctx,value,recurseTimes,visibleKeys,key,array)}),ctx.seen.pop(),reduceToSingleString(output,base,braces)}function formatPrimitive(ctx,value){if(isUndefined(value))return ctx.stylize("undefined","undefined");if(isString(value)){var simple="'"+JSON.stringify(value).replace(/^"|"$/g,"").replace(/'/g,"\\'").replace(/\\"/g,"\"")+"'";return ctx.stylize(simple,"string")}return isNumber(value)?ctx.stylize(""+value,"number"):isBoolean(value)?ctx.stylize(""+value,"boolean"):isNull(value)?ctx.stylize("null","null"):void 0}function formatError(value){return"["+Error.prototype.toString.call(value)+"]"}function formatArray(ctx,value,recurseTimes,visibleKeys,keys){for(var output=[],i=0,l=value.length;i<l;++i)hasOwnProperty(value,i+"")?output.push(formatProperty(ctx,value,recurseTimes,visibleKeys,i+"",!0)):output.push("");return keys.forEach(function(key){key.match(/^\d+$/)||output.push(formatProperty(ctx,value,recurseTimes,visibleKeys,key,!0))}),output}function formatProperty(ctx,value,recurseTimes,visibleKeys,key,array){var name,str,desc;if(desc=Object.getOwnPropertyDescriptor(value,key)||{value:value[key]},desc.get?desc.set?str=ctx.stylize("[Getter/Setter]","special"):str=ctx.stylize("[Getter]","special"):desc.set&&(str=ctx.stylize("[Setter]","special")),hasOwnProperty(visibleKeys,key)||(name="["+key+"]"),str||(0>ctx.seen.indexOf(desc.value)?(str=isNull(recurseTimes)?formatValue(ctx,desc.value,null):formatValue(ctx,desc.value,recurseTimes-1),-1<str.indexOf("\n")&&(array?str=str.split("\n").map(function(line){return" "+line}).join("\n").substr(2):str="\n"+str.split("\n").map(function(line){return" "+line}).join("\n"))):str=ctx.stylize("[Circular]","special")),isUndefined(name)){if(array&&key.match(/^\d+$/))return str;name=JSON.stringify(""+key),name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)?(name=name.substr(1,name.length-2),name=ctx.stylize(name,"name")):(name=name.replace(/'/g,"\\'").replace(/\\"/g,"\"").replace(/(^"|"$)/g,"'"),name=ctx.stylize(name,"string"))}return name+": "+str}function reduceToSingleString(output,base,braces){var numLinesEst=0,length=output.reduce(function(prev,cur){return numLinesEst++,0<=cur.indexOf("\n")&&numLinesEst++,prev+cur.replace(/\u001b\[\d\d?m/g,"").length+1},0);return 60<length?braces[0]+(""===base?"":base+"\n ")+" "+output.join(",\n ")+" "+braces[1]:braces[0]+base+" "+output.join(", ")+" "+braces[1]}function isArray(ar){return Array.isArray(ar)}function isBoolean(arg){return"boolean"==typeof arg}function isNull(arg){return null===arg}function isNullOrUndefined(arg){return null==arg}function isNumber(arg){return"number"==typeof arg}function isString(arg){return"string"==typeof arg}function isSymbol(arg){return"symbol"==typeof arg}function isUndefined(arg){return void 0===arg}function isRegExp(re){return isObject(re)&&"[object RegExp]"===objectToString(re)}function isObject(arg){return"object"==typeof arg&&null!==arg}function isDate(d){return isObject(d)&&"[object Date]"===objectToString(d)}function isError(e){return isObject(e)&&("[object Error]"===objectToString(e)||e instanceof Error)}function isFunction(arg){return"function"==typeof arg}function isPrimitive(arg){return null===arg||"boolean"==typeof arg||"number"==typeof arg||"string"==typeof arg||"symbol"==typeof arg||"undefined"==typeof arg}function objectToString(o){return Object.prototype.toString.call(o)}function pad(n){return 10>n?"0"+n.toString(10):n.toString(10)}function timestamp(){var d=new Date,time=[pad(d.getHours()),pad(d.getMinutes()),pad(d.getSeconds())].join(":");return[d.getDate(),months[d.getMonth()],time].join(" ")}function hasOwnProperty(obj,prop){return Object.prototype.hasOwnProperty.call(obj,prop)}function callbackifyOnRejected(reason,cb){if(!reason){var newReason=new Error("Promise was rejected with a falsy value");newReason.reason=reason,reason=newReason}return cb(reason)}function callbackify(original){function callbackified(){for(var args=[],i=0;i<arguments.length;i++)args.push(arguments[i]);var maybeCb=args.pop();if("function"!=typeof maybeCb)throw new TypeError("The last argument must be of type Function");var self=this,cb=function(){return maybeCb.apply(self,arguments)};original.apply(this,args).then(function(ret){process.nextTick(cb.bind(null,null,ret))},function(rej){process.nextTick(callbackifyOnRejected.bind(null,rej,cb))})}if("function"!=typeof original)throw new TypeError("The \"original\" argument must be of type Function");return Object.setPrototypeOf(callbackified,Object.getPrototypeOf(original)),Object.defineProperties(callbackified,getOwnPropertyDescriptors(original)),callbackified}var getOwnPropertyDescriptors=Object.getOwnPropertyDescriptors||function getOwnPropertyDescriptors(obj){for(var keys=Object.keys(obj),descriptors={},i=0;i<keys.length;i++)descriptors[keys[i]]=Object.getOwnPropertyDescriptor(obj,keys[i]);return descriptors},formatRegExp=/%[sdj%]/g;exports.format=function(f){if(!isString(f)){for(var objects=[],i=0;i<arguments.length;i++)objects.push(inspect(arguments[i]));return objects.join(" ")}for(var i=1,args=arguments,len=args.length,str=(f+"").replace(formatRegExp,function(x){if("%%"===x)return"%";if(i>=len)return x;switch(x){case"%s":return args[i++]+"";case"%d":return+args[i++];case"%j":try{return JSON.stringify(args[i++])}catch(_){return"[Circular]"}default:return x;}}),x=args[i];i<len;x=args[++i])str+=isNull(x)||!isObject(x)?" "+x:" "+inspect(x);return str},exports.deprecate=function(fn,msg){function deprecated(){if(!warned){if(process.throwDeprecation)throw new Error(msg);else process.traceDeprecation?console.trace(msg):console.error(msg);warned=!0}return fn.apply(this,arguments)}if("undefined"!=typeof process&&!0===process.noDeprecation)return fn;if("undefined"==typeof process)return function(){return exports.deprecate(fn,msg).apply(this,arguments)};var warned=!1;return deprecated};var debugs={},debugEnvRegex=/^$/;if(process.env.NODE_DEBUG){var debugEnv=process.env.NODE_DEBUG;debugEnv=debugEnv.replace(/[|\\{}()[\]^$+?.]/g,"\\$&").replace(/\*/g,".*").replace(/,/g,"$|^").toUpperCase(),debugEnvRegex=new RegExp("^"+debugEnv+"$","i")}exports.debuglog=function(set){if(set=set.toUpperCase(),!debugs[set])if(debugEnvRegex.test(set)){var pid=process.pid;debugs[set]=function(){var msg=exports.format.apply(exports,arguments);console.error("%s %d: %s",set,pid,msg)}}else debugs[set]=function(){};return debugs[set]},exports.inspect=inspect,inspect.colors={bold:[1,22],italic:[3,23],underline:[4,24],inverse:[7,27],white:[37,39],grey:[90,39],black:[30,39],blue:[34,39],cyan:[36,39],green:[32,39],magenta:[35,39],red:[31,39],yellow:[33,39]},inspect.styles={special:"cyan",number:"yellow",boolean:"yellow",undefined:"grey",null:"bold",string:"green",date:"magenta",regexp:"red"},exports.types=require("./support/types"),exports.isArray=isArray,exports.isBoolean=isBoolean,exports.isNull=isNull,exports.isNullOrUndefined=isNullOrUndefined,exports.isNumber=isNumber,exports.isString=isString,exports.isSymbol=isSymbol,exports.isUndefined=isUndefined,exports.isRegExp=isRegExp,exports.types.isRegExp=isRegExp,exports.isObject=isObject,exports.isDate=isDate,exports.types.isDate=isDate,exports.isError=isError,exports.types.isNativeError=isError,exports.isFunction=isFunction,exports.isPrimitive=isPrimitive,exports.isBuffer=require("./support/isBuffer");var months=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];exports.log=function(){console.log("%s - %s",timestamp(),exports.format.apply(exports,arguments))},exports.inherits=require("inherits"),exports._extend=function(origin,add){if(!add||!isObject(add))return origin;for(var keys=Object.keys(add),i=keys.length;i--;)origin[keys[i]]=add[keys[i]];return origin};var kCustomPromisifiedSymbol="undefined"==typeof Symbol?void 0:Symbol("util.promisify.custom");exports.promisify=function promisify(original){function fn(){for(var promise=new Promise(function(resolve,reject){promiseResolve=resolve,promiseReject=reject}),args=[],i=0,promiseResolve,promiseReject;i<arguments.length;i++)args.push(arguments[i]);args.push(function(err,value){err?promiseReject(err):promiseResolve(value)});try{original.apply(this,args)}catch(err){promiseReject(err)}return promise}if("function"!=typeof original)throw new TypeError("The \"original\" argument must be of type Function");if(kCustomPromisifiedSymbol&&original[kCustomPromisifiedSymbol]){var fn=original[kCustomPromisifiedSymbol];if("function"!=typeof fn)throw new TypeError("The \"util.promisify.custom\" argument must be of type Function");return Object.defineProperty(fn,kCustomPromisifiedSymbol,{value:fn,enumerable:!1,writable:!1,configurable:!0}),fn}return Object.setPrototypeOf(fn,Object.getPrototypeOf(original)),kCustomPromisifiedSymbol&&Object.defineProperty(fn,kCustomPromisifiedSymbol,{value:fn,enumerable:!1,writable:!1,configurable:!0}),Object.defineProperties(fn,getOwnPropertyDescriptors(original))},exports.promisify.custom=kCustomPromisifiedSymbol,exports.callbackify=callbackify}).call(this)}).call(this,require("_process"))},{"./support/isBuffer":336,"./support/types":337,_process:246,inherits:190}],339:[function(require,module,exports){(function(Buffer){(function(){function empty(){return{version:0,flags:0,entries:[]}}const bs=require("binary-search"),EventEmitter=require("events"),mp4=require("mp4-stream"),Box=require("mp4-box-encoding"),RangeSliceStream=require("range-slice-stream"),FIND_MOOV_SEEK_SIZE=4096;class MP4Remuxer extends EventEmitter{constructor(file){super(),this._tracks=[],this._file=file,this._decoder=null,this._findMoov(0)}_findMoov(offset){this._decoder&&this._decoder.destroy();let toSkip=0;this._decoder=mp4.decode();const fileStream=this._file.createReadStream({start:offset});fileStream.pipe(this._decoder);const boxHandler=headers=>{"moov"===headers.type?(this._decoder.removeListener("box",boxHandler),this._decoder.decode(moov=>{fileStream.destroy();try{this._processMoov(moov)}catch(err){err.message=`Cannot parse mp4 file: ${err.message}`,this.emit("error",err)}})):headers.length<FIND_MOOV_SEEK_SIZE?(toSkip+=headers.length,this._decoder.ignore()):(this._decoder.removeListener("box",boxHandler),toSkip+=headers.length,fileStream.destroy(),this._decoder.destroy(),this._findMoov(offset+toSkip))};this._decoder.on("box",boxHandler)}_processMoov(moov){const traks=moov.traks;this._tracks=[],this._hasVideo=!1,this._hasAudio=!1;for(let i=0;i<traks.length;i++){const trak=traks[i],stbl=trak.mdia.minf.stbl,stsdEntry=stbl.stsd.entries[0],handlerType=trak.mdia.hdlr.handlerType;let codec,mime;if("vide"===handlerType&&"avc1"===stsdEntry.type){if(this._hasVideo)continue;this._hasVideo=!0,codec="avc1",stsdEntry.avcC&&(codec+=`.${stsdEntry.avcC.mimeCodec}`),mime=`video/mp4; codecs="${codec}"`}else if("soun"===handlerType&&"mp4a"===stsdEntry.type){if(this._hasAudio)continue;this._hasAudio=!0,codec="mp4a",stsdEntry.esds&&stsdEntry.esds.mimeCodec&&(codec+=`.${stsdEntry.esds.mimeCodec}`),mime=`audio/mp4; codecs="${codec}"`}else continue;const samples=[];let sample=0,sampleInChunk=0,chunk=0,offsetInChunk=0,sampleToChunkIndex=0,dts=0;const decodingTimeEntry=new RunLengthIndex(stbl.stts.entries);let presentationOffsetEntry=null;stbl.ctts&&(presentationOffsetEntry=new RunLengthIndex(stbl.ctts.entries));for(let syncSampleIndex=0;!0;){var currChunkEntry=stbl.stsc.entries[sampleToChunkIndex];const size=stbl.stsz.entries[sample],duration=decodingTimeEntry.value.duration,presentationOffset=presentationOffsetEntry?presentationOffsetEntry.value.compositionOffset:0;let sync=!0;stbl.stss&&(sync=stbl.stss.entries[syncSampleIndex]===sample+1);const chunkOffsetTable=stbl.stco||stbl.co64;if(samples.push({size,duration,dts,presentationOffset,sync,offset:offsetInChunk+chunkOffsetTable.entries[chunk]}),sample++,sample>=stbl.stsz.entries.length)break;if(sampleInChunk++,offsetInChunk+=size,sampleInChunk>=currChunkEntry.samplesPerChunk){sampleInChunk=0,offsetInChunk=0,chunk++;const nextChunkEntry=stbl.stsc.entries[sampleToChunkIndex+1];nextChunkEntry&&chunk+1>=nextChunkEntry.firstChunk&&sampleToChunkIndex++}dts+=duration,decodingTimeEntry.inc(),presentationOffsetEntry&&presentationOffsetEntry.inc(),sync&&syncSampleIndex++}trak.mdia.mdhd.duration=0,trak.tkhd.duration=0;const defaultSampleDescriptionIndex=currChunkEntry.sampleDescriptionId,trackMoov={type:"moov",mvhd:moov.mvhd,traks:[{tkhd:trak.tkhd,mdia:{mdhd:trak.mdia.mdhd,hdlr:trak.mdia.hdlr,elng:trak.mdia.elng,minf:{vmhd:trak.mdia.minf.vmhd,smhd:trak.mdia.minf.smhd,dinf:trak.mdia.minf.dinf,stbl:{stsd:stbl.stsd,stts:empty(),ctts:empty(),stsc:empty(),stsz:empty(),stco:empty(),stss:empty()}}}}],mvex:{mehd:{fragmentDuration:moov.mvhd.duration},trexs:[{trackId:trak.tkhd.trackId,defaultSampleDescriptionIndex,defaultSampleDuration:0,defaultSampleSize:0,defaultSampleFlags:0}]}};this._tracks.push({fragmentSequence:1,trackId:trak.tkhd.trackId,timeScale:trak.mdia.mdhd.timeScale,samples,currSample:null,currTime:null,moov:trackMoov,mime})}if(0===this._tracks.length)return void this.emit("error",new Error("no playable tracks"));moov.mvhd.duration=0,this._ftyp={type:"ftyp",brand:"iso5",brandVersion:0,compatibleBrands:["iso5"]};const ftypBuf=Box.encode(this._ftyp),data=this._tracks.map(track=>{const moovBuf=Box.encode(track.moov);return{mime:track.mime,init:Buffer.concat([ftypBuf,moovBuf])}});this.emit("ready",data)}seek(time){if(!this._tracks)throw new Error("Not ready yet; wait for 'ready' event");this._fileStream&&(this._fileStream.destroy(),this._fileStream=null);let startOffset=-1;if(this._tracks.map((track,i)=>{track.outStream&&track.outStream.destroy(),track.inStream&&(track.inStream.destroy(),track.inStream=null);const outStream=track.outStream=mp4.encode(),fragment=this._generateFragment(i,time);if(!fragment)return outStream.finalize();(-1===startOffset||fragment.ranges[0].start<startOffset)&&(startOffset=fragment.ranges[0].start);const writeFragment=frag=>{outStream.destroyed||outStream.box(frag.moof,err=>{if(err)return this.emit("error",err);if(!outStream.destroyed){const slicedStream=track.inStream.slice(frag.ranges);slicedStream.pipe(outStream.mediaData(frag.length,err=>{if(err)return this.emit("error",err);if(!outStream.destroyed){const nextFrag=this._generateFragment(i);return nextFrag?void writeFragment(nextFrag):outStream.finalize()}}))}})};writeFragment(fragment)}),0<=startOffset){const fileStream=this._fileStream=this._file.createReadStream({start:startOffset});this._tracks.forEach(track=>{track.inStream=new RangeSliceStream(startOffset,{highWaterMark:1e7}),fileStream.pipe(track.inStream)})}return this._tracks.map(track=>track.outStream)}_findSampleBefore(trackInd,time){const track=this._tracks[trackInd],scaledTime=_Mathfloor(track.timeScale*time);let sample=bs(track.samples,scaledTime,(sample,t)=>{const pts=sample.dts+sample.presentationOffset;return pts-t});for(-1===sample?sample=0:0>sample&&(sample=-sample-2);!track.samples[sample].sync;)sample--;return sample}_generateFragment(track,time){const currTrack=this._tracks[track];let firstSample;if(firstSample=void 0===time?currTrack.currSample:this._findSampleBefore(track,time),firstSample>=currTrack.samples.length)return null;const startDts=currTrack.samples[firstSample].dts;let totalLen=0;const ranges=[];for(var currSample=firstSample;currSample<currTrack.samples.length;currSample++){const sample=currTrack.samples[currSample];if(sample.sync&&sample.dts-startDts>=currTrack.timeScale*MIN_FRAGMENT_DURATION)break;totalLen+=sample.size;const currRange=ranges.length-1;0>currRange||ranges[currRange].end!==sample.offset?ranges.push({start:sample.offset,end:sample.offset+sample.size}):ranges[currRange].end+=sample.size}return currTrack.currSample=currSample,{moof:this._generateMoof(track,firstSample,currSample),ranges,length:totalLen}}_generateMoof(track,firstSample,lastSample){const currTrack=this._tracks[track],entries=[];let trunVersion=0;for(let j=firstSample;j<lastSample;j++){const currSample=currTrack.samples[j];0>currSample.presentationOffset&&(trunVersion=1),entries.push({sampleDuration:currSample.duration,sampleSize:currSample.size,sampleFlags:currSample.sync?33554432:16842752,sampleCompositionTimeOffset:currSample.presentationOffset})}const moof={type:"moof",mfhd:{sequenceNumber:currTrack.fragmentSequence++},trafs:[{tfhd:{flags:131072,trackId:currTrack.trackId},tfdt:{baseMediaDecodeTime:currTrack.samples[firstSample].dts},trun:{flags:3841,dataOffset:8,entries,version:trunVersion}}]};return moof.trafs[0].trun.dataOffset+=Box.encodingLength(moof),moof}}class RunLengthIndex{constructor(entries,countName){this._entries=entries,this._countName=countName||"count",this._index=0,this._offset=0,this.value=this._entries[0]}inc(){this._offset++,this._offset>=this._entries[this._index][this._countName]&&(this._index++,this._offset=0),this.value=this._entries[this._index]}}const MIN_FRAGMENT_DURATION=1;module.exports=MP4Remuxer}).call(this)}).call(this,require("buffer").Buffer)},{"binary-search":50,buffer:101,events:156,"mp4-box-encoding":224,"mp4-stream":227,"range-slice-stream":265}],340:[function(require,module,exports){function VideoStream(file,mediaElem,opts={}){return this instanceof VideoStream?void(this.detailedError=null,this._elem=mediaElem,this._elemWrapper=new MediaElementWrapper(mediaElem),this._waitingFired=!1,this._trackMeta=null,this._file=file,this._tracks=null,"none"!==this._elem.preload&&this._createMuxer(),this._onError=()=>{this.detailedError=this._elemWrapper.detailedError,this.destroy()},this._onWaiting=()=>{this._waitingFired=!0,this._muxer?this._tracks&&this._pump():this._createMuxer()},mediaElem.autoplay&&(mediaElem.preload="auto"),mediaElem.addEventListener("waiting",this._onWaiting),mediaElem.addEventListener("error",this._onError)):(console.warn("Don't invoke VideoStream without the 'new' keyword."),new VideoStream(file,mediaElem,opts))}const MediaElementWrapper=require("mediasource"),pump=require("pump"),MP4Remuxer=require("./mp4-remuxer");VideoStream.prototype={_createMuxer(){this._muxer=new MP4Remuxer(this._file),this._muxer.on("ready",data=>{this._tracks=data.map(trackData=>{const mediaSource=this._elemWrapper.createWriteStream(trackData.mime);mediaSource.on("error",err=>{this._elemWrapper.error(err)});const track={muxed:null,mediaSource,initFlushed:!1,onInitFlushed:null};return mediaSource.write(trackData.init,err=>{track.initFlushed=!0,track.onInitFlushed&&track.onInitFlushed(err)}),track}),(this._waitingFired||"auto"===this._elem.preload)&&this._pump()}),this._muxer.on("error",err=>{this._elemWrapper.error(err)})},_pump(){const muxed=this._muxer.seek(this._elem.currentTime,!this._tracks);this._tracks.forEach((track,i)=>{const pumpTrack=()=>{track.muxed&&(track.muxed.destroy(),track.mediaSource=this._elemWrapper.createWriteStream(track.mediaSource),track.mediaSource.on("error",err=>{this._elemWrapper.error(err)})),track.muxed=muxed[i],pump(track.muxed,track.mediaSource)};track.initFlushed?pumpTrack():track.onInitFlushed=err=>err?void this._elemWrapper.error(err):void pumpTrack()})},destroy(){this.destroyed||(this.destroyed=!0,this._elem.removeEventListener("waiting",this._onWaiting),this._elem.removeEventListener("error",this._onError),this._tracks&&this._tracks.forEach(track=>{track.muxed&&track.muxed.destroy()}),this._elem.src="")}},module.exports=VideoStream},{"./mp4-remuxer":339,mediasource:212,pump:254}],341:[function(require,module,exports){(function(global){(function(){"use strict";var forEach=require("for-each"),availableTypedArrays=require("available-typed-arrays"),callBound=require("call-bind/callBound"),$toString=callBound("Object.prototype.toString"),hasToStringTag=require("has-tostringtag/shams")(),g="undefined"==typeof globalThis?global:globalThis,typedArrays=availableTypedArrays(),$slice=callBound("String.prototype.slice"),toStrTags={},gOPD=require("es-abstract/helpers/getOwnPropertyDescriptor"),getPrototypeOf=Object.getPrototypeOf;hasToStringTag&&gOPD&&getPrototypeOf&&forEach(typedArrays,function(typedArray){if("function"==typeof g[typedArray]){var arr=new g[typedArray];if(Symbol.toStringTag in arr){var proto=getPrototypeOf(arr),descriptor=gOPD(proto,Symbol.toStringTag);if(!descriptor){var superProto=getPrototypeOf(proto);descriptor=gOPD(superProto,Symbol.toStringTag)}toStrTags[typedArray]=descriptor.get}}});var tryTypedArrays=function tryAllTypedArrays(value){var foundName=!1;return forEach(toStrTags,function(getter,typedArray){if(!foundName)try{var name=getter.call(value);name===typedArray&&(foundName=name)}catch(e){}}),foundName},isTypedArray=require("is-typed-array");module.exports=function whichTypedArray(value){return!!isTypedArray(value)&&(hasToStringTag&&Symbol.toStringTag in value?tryTypedArrays(value):$slice($toString(value),8,-1))}}).call(this)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"available-typed-arrays":36,"call-bind/callBound":104,"es-abstract/helpers/getOwnPropertyDescriptor":154,"for-each":162,"has-tostringtag/shams":170,"is-typed-array":197}],342:[function(require,module,exports){function wrappy(fn,cb){function wrapper(){for(var args=Array(arguments.length),i=0;i<args.length;i++)args[i]=arguments[i];var ret=fn.apply(this,args),cb=args[args.length-1];return"function"==typeof ret&&ret!==cb&&Object.keys(cb).forEach(function(k){ret[k]=cb[k]}),ret}if(fn&&cb)return wrappy(fn)(cb);if("function"!=typeof fn)throw new TypeError("need wrapper function");return Object.keys(fn).forEach(function(k){wrapper[k]=fn[k]}),wrapper}module.exports=wrappy},{}],343:[function(require,module,exports){function extend(){for(var target={},i=0,source;i<arguments.length;i++)for(var key in source=arguments[i],source)hasOwnProperty.call(source,key)&&(target[key]=source[key]);return target}module.exports=extend;var hasOwnProperty=Object.prototype.hasOwnProperty},{}],344:[function(require,module,exports){module.exports={version:"1.8.29"}},{}],345:[function(require,module,exports){(function(Buffer){(function(){function isReadable(obj){return"object"==typeof obj&&null!=obj&&"function"==typeof obj.pipe}function isFileList(obj){return"undefined"!=typeof FileList&&obj instanceof FileList}/*! webtorrent. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const EventEmitter=require("events"),path=require("path"),concat=require("simple-concat"),createTorrent=require("create-torrent"),debugFactory=require("debug"),DHT=require("bittorrent-dht/client"),loadIPSet=require("load-ip-set"),parallel=require("run-parallel"),parseTorrent=require("parse-torrent"),Peer=require("simple-peer"),queueMicrotask=require("queue-microtask"),randombytes=require("randombytes"),sha1=require("simple-sha1"),throughput=require("throughput"),{ThrottleGroup}=require("speed-limiter"),ConnPool=require("./lib/conn-pool.js"),Torrent=require("./lib/torrent.js"),{version:VERSION}=require("./package.json"),debug=debugFactory("webtorrent"),VERSION_STR=VERSION.replace(/\d*./g,v=>`0${v%100}`.slice(-2)).slice(0,4),VERSION_PREFIX=`-WW${VERSION_STR}-`;class WebTorrent extends EventEmitter{constructor(opts={}){super(),this.peerId="string"==typeof opts.peerId?opts.peerId:Buffer.isBuffer(opts.peerId)?opts.peerId.toString("hex"):Buffer.from(VERSION_PREFIX+randombytes(9).toString("base64")).toString("hex"),this.peerIdBuffer=Buffer.from(this.peerId,"hex"),this.nodeId="string"==typeof opts.nodeId?opts.nodeId:Buffer.isBuffer(opts.nodeId)?opts.nodeId.toString("hex"):randombytes(20).toString("hex"),this.nodeIdBuffer=Buffer.from(this.nodeId,"hex"),this._debugId=this.peerId.toString("hex").substring(0,7),this.destroyed=!1,this.listening=!1,this.torrentPort=opts.torrentPort||0,this.dhtPort=opts.dhtPort||0,this.tracker=opts.tracker===void 0?{}:opts.tracker,this.lsd=!1!==opts.lsd,this.torrents=[],this.maxConns=+opts.maxConns||55,this.utp=WebTorrent.UTP_SUPPORT&&!1!==opts.utp,this._downloadLimit=_Mathmax("number"==typeof opts.downloadLimit?opts.downloadLimit:-1,-1),this._uploadLimit=_Mathmax("number"==typeof opts.uploadLimit?opts.uploadLimit:-1,-1),this.serviceWorker=null,this.workerKeepAliveInterval=null,this.workerPortCount=0,!0===opts.secure&&require("./lib/peer").enableSecure(),this._debug("new webtorrent (peerId %s, nodeId %s, port %s)",this.peerId,this.nodeId,this.torrentPort),this.throttleGroups={down:new ThrottleGroup({rate:_Mathmax(this._downloadLimit,0),enabled:0<=this._downloadLimit}),up:new ThrottleGroup({rate:_Mathmax(this._uploadLimit,0),enabled:0<=this._uploadLimit})},this.tracker&&("object"!=typeof this.tracker&&(this.tracker={}),globalThis.WRTC&&!this.tracker.wrtc&&(this.tracker.wrtc=globalThis.WRTC)),"function"==typeof ConnPool?this._connPool=new ConnPool(this):queueMicrotask(()=>{this._onListening()}),this._downloadSpeed=throughput(),this._uploadSpeed=throughput(),!1!==opts.dht&&"function"==typeof DHT?(this.dht=new DHT(Object.assign({},{nodeId:this.nodeId},opts.dht)),this.dht.once("error",err=>{this._destroy(err)}),this.dht.once("listening",()=>{const address=this.dht.address();address&&(this.dhtPort=address.port)}),this.dht.setMaxListeners(0),this.dht.listen(this.dhtPort)):this.dht=!1,this.enableWebSeeds=!1!==opts.webSeeds;const ready=()=>{this.destroyed||(this.ready=!0,this.emit("ready"))};"function"==typeof loadIPSet&&null!=opts.blocklist?loadIPSet(opts.blocklist,{headers:{"user-agent":`WebTorrent/${VERSION} (https://webtorrent.io)`}},(err,ipSet)=>err?console.error(`Failed to load blocklist: ${err.message}`):void(this.blocked=ipSet,ready())):queueMicrotask(ready)}loadWorker(controller,cb=()=>{}){if(!(controller instanceof ServiceWorker))throw new Error("Invalid worker registration");if("activated"!==controller.state)throw new Error("Worker isn't activated");const keepAliveTime=2e4;this.serviceWorker=controller,navigator.serviceWorker.addEventListener("message",event=>{const{data}=event;if(!data.type||"webtorrent"===!data.type||!data.url)return null;let[infoHash,...filePath]=data.url.slice(data.url.indexOf(data.scope+"webtorrent/")+11+data.scope.length).split("/");if(filePath=decodeURI(filePath.join("/")),!infoHash||!filePath)return null;const[port]=event.ports,file=this.get(infoHash)&&this.get(infoHash).files.find(file=>file.path===filePath);if(!file)return null;const[response,stream,raw]=file._serve(data),asyncIterator=stream&&stream[Symbol.asyncIterator](),cleanup=()=>{port.onmessage=null,stream&&stream.destroy(),raw&&raw.destroy(),this.workerPortCount--,this.workerPortCount||(clearInterval(this.workerKeepAliveInterval),this.workerKeepAliveInterval=null)};port.onmessage=async msg=>{if(msg.data){let chunk;try{chunk=(await asyncIterator.next()).value}catch(e){}port.postMessage(chunk),chunk||cleanup(),this.workerKeepAliveInterval||(this.workerKeepAliveInterval=setInterval(()=>fetch(`${this.serviceWorker.scriptURL.slice(0,this.serviceWorker.scriptURL.lastIndexOf("/")+1).slice(window.location.origin.length)}webtorrent/keepalive/`),keepAliveTime))}else cleanup()},this.workerPortCount++,port.postMessage(response)}),fetch(`${this.serviceWorker.scriptURL.slice(0,this.serviceWorker.scriptURL.lastIndexOf("/")+1).slice(window.location.origin.length)}webtorrent/cancel/`).then(res=>{res.body.cancel()}),cb(null,this.serviceWorker)}get downloadSpeed(){return this._downloadSpeed()}get uploadSpeed(){return this._uploadSpeed()}get progress(){const torrents=this.torrents.filter(torrent=>1!==torrent.progress),downloaded=torrents.reduce((total,torrent)=>total+torrent.downloaded,0),length=torrents.reduce((total,torrent)=>total+(torrent.length||0),0)||1;return downloaded/length}get ratio(){const uploaded=this.torrents.reduce((total,torrent)=>total+torrent.uploaded,0),received=this.torrents.reduce((total,torrent)=>total+torrent.received,0)||1;return uploaded/received}get(torrentId){if(!(torrentId instanceof Torrent)){let parsed;try{parsed=parseTorrent(torrentId)}catch(err){}if(!parsed)return null;if(!parsed.infoHash)throw new Error("Invalid torrent identifier");for(const torrent of this.torrents)if(torrent.infoHash===parsed.infoHash)return torrent}else if(this.torrents.includes(torrentId))return torrentId;return null}add(torrentId,opts={},ontorrent=()=>{}){function onClose(){torrent.removeListener("_infoHash",onInfoHash),torrent.removeListener("ready",onReady),torrent.removeListener("close",onClose)}if(this.destroyed)throw new Error("client is destroyed");"function"==typeof opts&&([opts,ontorrent]=[{},opts]);const onInfoHash=()=>{if(!this.destroyed)for(const t of this.torrents)if(t.infoHash===torrent.infoHash&&t!==torrent)return torrent._destroy(new Error(`Cannot add duplicate torrent ${torrent.infoHash}`)),void ontorrent(t)},onReady=()=>{this.destroyed||(ontorrent(torrent),this.emit("torrent",torrent))};this._debug("add"),opts=opts?Object.assign({},opts):{};const torrent=new Torrent(torrentId,this,opts);return this.torrents.push(torrent),torrent.once("_infoHash",onInfoHash),torrent.once("ready",onReady),torrent.once("close",onClose),torrent}seed(input,opts,onseed){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof opts&&([opts,onseed]=[{},opts]),this._debug("seed"),opts=opts?Object.assign({},opts):{},opts.skipVerify=!0;const isFilePath="string"==typeof input;isFilePath&&(opts.path=path.dirname(input)),opts.createdBy||(opts.createdBy=`WebTorrent/${VERSION_STR}`);const onTorrent=torrent=>{const tasks=[cb=>isFilePath||opts.preloadedStore?cb():void torrent.load(streams,cb)];this.dht&&tasks.push(cb=>{torrent.once("dhtAnnounce",cb)}),parallel(tasks,err=>this.destroyed?void 0:err?torrent._destroy(err):void _onseed(torrent))},_onseed=torrent=>{this._debug("on seed"),"function"==typeof onseed&&onseed(torrent),torrent.emit("seed"),this.emit("seed",torrent)},torrent=this.add(null,opts,onTorrent);let streams;return isFileList(input)?input=Array.from(input):!Array.isArray(input)&&(input=[input]),parallel(input.map(item=>cb=>{!opts.preloadedStore&&isReadable(item)?concat(item,(err,buf)=>err?cb(err):void(buf.name=item.name,cb(null,buf))):cb(null,item)}),(err,input)=>this.destroyed?void 0:err?torrent._destroy(err):void createTorrent.parseInput(input,opts,(err,files)=>this.destroyed?void 0:err?torrent._destroy(err):void(streams=files.map(file=>file.getStream),createTorrent(input,opts,(err,torrentBuf)=>{if(!this.destroyed){if(err)return torrent._destroy(err);const existingTorrent=this.get(torrentBuf);existingTorrent?(console.warn("A torrent with the same id is already being seeded"),torrent._destroy(),"function"==typeof onseed&&onseed(existingTorrent)):torrent._onTorrentId(torrentBuf)}})))),torrent}remove(torrentId,opts,cb){if("function"==typeof opts)return this.remove(torrentId,null,opts);this._debug("remove");const torrent=this.get(torrentId);if(!torrent)throw new Error(`No torrent with id ${torrentId}`);this._remove(torrentId,opts,cb)}_remove(torrentId,opts,cb){if("function"==typeof opts)return this._remove(torrentId,null,opts);const torrent=this.get(torrentId);torrent&&(this.torrents.splice(this.torrents.indexOf(torrent),1),torrent.destroy(opts,cb),this.dht&&this.dht._tables.remove(torrent.infoHash))}address(){return this.listening?this._connPool?this._connPool.tcpServer.address():{address:"0.0.0.0",family:"IPv4",port:0}:null}throttleDownload(rate){return(rate=+rate,!(isNaN(rate)||!isFinite(rate)||-1>rate))&&(this._downloadLimit=rate,0>this._downloadLimit?this.throttleGroups.down.setEnabled(!1):void(this.throttleGroups.down.setEnabled(!0),this.throttleGroups.down.setRate(this._downloadLimit)))}throttleUpload(rate){return(rate=+rate,!(isNaN(rate)||!isFinite(rate)||-1>rate))&&(this._uploadLimit=rate,0>this._uploadLimit?this.throttleGroups.up.setEnabled(!1):void(this.throttleGroups.up.setEnabled(!0),this.throttleGroups.up.setRate(this._uploadLimit)))}destroy(cb){if(this.destroyed)throw new Error("client already destroyed");this._destroy(null,cb)}_destroy(err,cb){this._debug("client destroy"),this.destroyed=!0;const tasks=this.torrents.map(torrent=>cb=>{torrent.destroy(cb)});this._connPool&&tasks.push(cb=>{this._connPool.destroy(cb)}),this.dht&&tasks.push(cb=>{this.dht.destroy(cb)}),parallel(tasks,cb),err&&this.emit("error",err),this.torrents=[],this._connPool=null,this.dht=null,this.throttleGroups.down.destroy(),this.throttleGroups.up.destroy()}_onListening(){if(this._debug("listening"),this.listening=!0,this._connPool){const address=this._connPool.tcpServer.address();address&&(this.torrentPort=address.port)}this.emit("listening")}_debug(){const args=[].slice.call(arguments);args[0]=`[${this._debugId}] ${args[0]}`,debug(...args)}_getByHash(infoHashHash){for(const torrent of this.torrents)if(torrent.infoHashHash||(torrent.infoHashHash=sha1.sync(Buffer.from("72657132"+torrent.infoHash,"hex"))),infoHashHash===torrent.infoHashHash)return torrent;return null}}WebTorrent.WEBRTC_SUPPORT=Peer.WEBRTC_SUPPORT,WebTorrent.UTP_SUPPORT=ConnPool.UTP_SUPPORT,WebTorrent.VERSION=VERSION,module.exports=WebTorrent}).call(this)}).call(this,require("buffer").Buffer)},{"./lib/conn-pool.js":1,"./lib/peer":4,"./lib/torrent.js":7,"./package.json":344,"bittorrent-dht/client":52,buffer:101,"create-torrent":120,debug:122,events:156,"load-ip-set":66,"parse-torrent":237,path:238,"queue-microtask":259,randombytes:262,"run-parallel":287,"simple-concat":300,"simple-peer":302,"simple-sha1":303,"speed-limiter":306,throughput:324}]},{},[345])(345)});
\ No newline at end of file + */"use strict";function rangeParser(size,str,options){if("string"!=typeof str)throw new TypeError("argument str must be a string");var index=str.indexOf("=");if(-1===index)return-2;var arr=str.slice(index+1).split(","),ranges=[];ranges.type=str.slice(0,index);for(var i=0;i<arr.length;i++){var range=arr[i].split("-"),start=parseInt(range[0],10),end=parseInt(range[1],10);(isNaN(start)?(start=size-end,end=size-1):isNaN(end)&&(end=size-1),end>size-1&&(end=size-1),!(isNaN(start)||isNaN(end)||start>end||0>start))&&ranges.push({start:start,end:end})}return 1>ranges.length?-1:options&&options.combine?combineRanges(ranges):ranges}function combineRanges(ranges){for(var ordered=ranges.map(mapWithIndex).sort(sortByRangeStart),j=0,i=1;i<ordered.length;i++){var range=ordered[i],current=ordered[j];range.start>current.end+1?ordered[++j]=range:range.end>current.end&&(current.end=range.end,current.index=_Mathmin(current.index,range.index))}ordered.length=j+1;var combined=ordered.sort(sortByRangeIndex).map(mapWithoutIndex);return combined.type=ranges.type,combined}function mapWithIndex(range,index){return{start:range.start,end:range.end,index:index}}function mapWithoutIndex(range){return{start:range.start,end:range.end}}function sortByRangeIndex(a,b){return a.index-b.index}function sortByRangeStart(a,b){return a.start-b.start}module.exports=rangeParser},{}],265:[function(require,module,exports){const{Writable,PassThrough}=require("readable-stream");class RangeSliceStream extends Writable{constructor(offset,opts={}){super(opts),this.destroyed=!1,this._queue=[],this._position=offset||0,this._cb=null,this._buffer=null,this._out=null}_write(chunk,encoding,cb){let drained=!0;for(;!0;){if(this.destroyed)return;if(0===this._queue.length)return this._buffer=chunk,void(this._cb=cb);this._buffer=null;var currRange=this._queue[0];const writeStart=_Mathmax(currRange.start-this._position,0),writeEnd=currRange.end-this._position;if(writeStart>=chunk.length)return this._position+=chunk.length,cb(null);let toWrite;if(writeEnd>chunk.length){this._position+=chunk.length,toWrite=0===writeStart?chunk:chunk.slice(writeStart),drained=currRange.stream.write(toWrite)&&drained;break}this._position+=writeEnd,toWrite=0===writeStart&&writeEnd===chunk.length?chunk:chunk.slice(writeStart,writeEnd),drained=currRange.stream.write(toWrite)&&drained,currRange.last&&currRange.stream.end(),chunk=chunk.slice(writeEnd),this._queue.shift()}drained?cb(null):currRange.stream.once("drain",cb.bind(null,null))}slice(ranges){if(this.destroyed)return null;Array.isArray(ranges)||(ranges=[ranges]);const str=new PassThrough;return ranges.forEach((range,i)=>{this._queue.push({start:range.start,end:range.end,stream:str,last:i===ranges.length-1})}),this._buffer&&this._write(this._buffer,null,this._cb),str}destroy(err){this.destroyed||(this.destroyed=!0,err&&this.emit("error",err))}}module.exports=RangeSliceStream},{"readable-stream":281}],266:[function(require,module,exports){"use strict";function isInteger(n){return parseInt(n,10)===n}function createRC4(N){function identityPermutation(){for(var s=Array(N),i=0;i<N;i++)s[i]=i;return s}function seed(key){if(void 0===key){key=Array(N);for(var k=0;k<N;k++)key[k]=_Mathfloor(Math.random()*N)}else if("string"==typeof key)key=""+key,key=key.split("").map(function(c){return c.charCodeAt(0)%N});else if(!Array.isArray(key))throw new TypeError("invalid seed key specified");else if(!key.every(function(v){return"number"==typeof v&&v===(0|v)}))throw new TypeError("invalid seed key specified: not array of integers");for(var keylen=key.length,s=identityPermutation(),j=0,i=0;i<N;i++){j=(j+s[i]+key[i%keylen])%N;var tmp=s[i];s[i]=s[j],s[j]=tmp}return s}function RC4(key){this.s=seed(key),this.i=0,this.j=0}return RC4.prototype.randomNative=function(){this.i=(this.i+1)%N,this.j=(this.j+this.s[this.i])%N;var tmp=this.s[this.i];this.s[this.i]=this.s[this.j],this.s[this.j]=tmp;var k=this.s[(this.s[this.i]+this.s[this.j])%N];return k},RC4.prototype.randomUInt32=function(){var a=this.randomByte(),b=this.randomByte(),c=this.randomByte(),d=this.randomByte();return 256*(256*(256*a+b)+c)+d},RC4.prototype.randomFloat=function(){return this.randomUInt32()/4294967296},RC4.prototype.random=function(){var a,b;if(1===arguments.length)a=0,b=arguments[0];else if(2===arguments.length)a=arguments[0],b=arguments[1];else throw new TypeError("random takes one or two integer arguments");if(!isInteger(a)||!isInteger(b))throw new TypeError("random takes one or two integer arguments");return a+this.randomUInt32()%(b-a+1)},RC4.prototype.currentState=function(){return{i:this.i,j:this.j,s:this.s.slice()}},RC4.prototype.setState=function(state){var s=state.s,i=state.i,j=state.j;if(!(i===(0|i)&&0<=i&&i<N))throw new Error("state.i should be integer [0, "+(N-1)+"]");if(!(j===(0|j)&&0<=j&&j<N))throw new Error("state.j should be integer [0, "+(N-1)+"]");if(!Array.isArray(s)||s.length!==N)throw new Error("state should be array of length "+N);for(var k=0;k<N;k++)if(-1===s.indexOf(k))throw new Error("state should be permutation of 0.."+(N-1)+": "+k+" is missing");this.i=i,this.j=j,this.s=s.slice()},RC4}function toHex(n){return 10>n?_StringfromCharCode(48+n):_StringfromCharCode(97+n-10)}function fromHex(c){return parseInt(c,16)}var RC4=createRC4(256);RC4.prototype.randomByte=RC4.prototype.randomNative;var RC4small=createRC4(16);RC4small.prototype.randomByte=function(){var a=this.randomNative(),b=this.randomNative();return 16*a+b};var ordA=97,ord0=48;RC4small.prototype.currentStateString=function(){var state=this.currentState(),i=toHex(state.i),j=toHex(state.j),res=i+j+state.s.map(toHex).join("");return res},RC4small.prototype.setStateString=function(stateString){if(!stateString.match(/^[0-9a-f]{18}$/))throw new TypeError("RC4small stateString should be 18 hex character string");var i=fromHex(stateString[0]),j=fromHex(stateString[1]),s=stateString.split("").slice(2).map(fromHex);this.setState({i:i,j:j,s:s})},RC4.RC4small=RC4small,module.exports=RC4},{}],267:[function(require,module,exports){"use strict";function _inheritsLoose(subClass,superClass){subClass.prototype=Object.create(superClass.prototype),subClass.prototype.constructor=subClass,subClass.__proto__=superClass}function createErrorType(code,message,Base){function getMessage(arg1,arg2,arg3){return"string"==typeof message?message:message(arg1,arg2,arg3)}Base||(Base=Error);var NodeError=function(_Base){function NodeError(arg1,arg2,arg3){return _Base.call(this,getMessage(arg1,arg2,arg3))||this}return _inheritsLoose(NodeError,_Base),NodeError}(Base);NodeError.prototype.name=Base.name,NodeError.prototype.code=code,codes[code]=NodeError}function oneOf(expected,thing){if(Array.isArray(expected)){var len=expected.length;return expected=expected.map(function(i){return i+""}),2<len?"one of ".concat(thing," ").concat(expected.slice(0,len-1).join(", "),", or ")+expected[len-1]:2===len?"one of ".concat(thing," ").concat(expected[0]," or ").concat(expected[1]):"of ".concat(thing," ").concat(expected[0])}return"of ".concat(thing," ").concat(expected+"")}function startsWith(str,search,pos){return str.substr(!pos||0>pos?0:+pos,search.length)===search}function endsWith(str,search,this_len){return(void 0===this_len||this_len>str.length)&&(this_len=str.length),str.substring(this_len-search.length,this_len)===search}function includes(str,search,start){return"number"!=typeof start&&(start=0),!(start+search.length>str.length)&&-1!==str.indexOf(search,start)}var codes={};createErrorType("ERR_INVALID_OPT_VALUE",function(name,value){return"The value \""+value+"\" is invalid for option \""+name+"\""},TypeError),createErrorType("ERR_INVALID_ARG_TYPE",function(name,expected,actual){var determiner;"string"==typeof expected&&startsWith(expected,"not ")?(determiner="must not be",expected=expected.replace(/^not /,"")):determiner="must be";var msg;if(endsWith(name," argument"))msg="The ".concat(name," ").concat(determiner," ").concat(oneOf(expected,"type"));else{var type=includes(name,".")?"property":"argument";msg="The \"".concat(name,"\" ").concat(type," ").concat(determiner," ").concat(oneOf(expected,"type"))}return msg+=". Received type ".concat(typeof actual),msg},TypeError),createErrorType("ERR_STREAM_PUSH_AFTER_EOF","stream.push() after EOF"),createErrorType("ERR_METHOD_NOT_IMPLEMENTED",function(name){return"The "+name+" method is not implemented"}),createErrorType("ERR_STREAM_PREMATURE_CLOSE","Premature close"),createErrorType("ERR_STREAM_DESTROYED",function(name){return"Cannot call "+name+" after a stream was destroyed"}),createErrorType("ERR_MULTIPLE_CALLBACK","Callback called multiple times"),createErrorType("ERR_STREAM_CANNOT_PIPE","Cannot pipe, not readable"),createErrorType("ERR_STREAM_WRITE_AFTER_END","write after end"),createErrorType("ERR_STREAM_NULL_VALUES","May not write null values to stream",TypeError),createErrorType("ERR_UNKNOWN_ENCODING",function(arg){return"Unknown encoding: "+arg},TypeError),createErrorType("ERR_STREAM_UNSHIFT_AFTER_END_EVENT","stream.unshift() after end event"),module.exports.codes=codes},{}],268:[function(require,module,exports){(function(process){(function(){"use strict";function Duplex(options){return this instanceof Duplex?void(Readable.call(this,options),Writable.call(this,options),this.allowHalfOpen=!0,options&&(!1===options.readable&&(this.readable=!1),!1===options.writable&&(this.writable=!1),!1===options.allowHalfOpen&&(this.allowHalfOpen=!1,this.once("end",onend)))):new Duplex(options)}function onend(){this._writableState.ended||process.nextTick(onEndNT,this)}function onEndNT(self){self.end()}var objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj)keys.push(key);return keys};module.exports=Duplex;var Readable=require("./_stream_readable"),Writable=require("./_stream_writable");require("inherits")(Duplex,Readable);for(var keys=objectKeys(Writable.prototype),v=0,method;v<keys.length;v++)method=keys[v],Duplex.prototype[method]||(Duplex.prototype[method]=Writable.prototype[method]);Object.defineProperty(Duplex.prototype,"writableHighWaterMark",{enumerable:!1,get:function get(){return this._writableState.highWaterMark}}),Object.defineProperty(Duplex.prototype,"writableBuffer",{enumerable:!1,get:function get(){return this._writableState&&this._writableState.getBuffer()}}),Object.defineProperty(Duplex.prototype,"writableLength",{enumerable:!1,get:function get(){return this._writableState.length}}),Object.defineProperty(Duplex.prototype,"destroyed",{enumerable:!1,get:function get(){return void 0!==this._readableState&&void 0!==this._writableState&&this._readableState.destroyed&&this._writableState.destroyed},set:function set(value){void 0===this._readableState||void 0===this._writableState||(this._readableState.destroyed=value,this._writableState.destroyed=value)}})}).call(this)}).call(this,require("_process"))},{"./_stream_readable":270,"./_stream_writable":272,_process:246,inherits:190}],269:[function(require,module,exports){"use strict";function PassThrough(options){return this instanceof PassThrough?void Transform.call(this,options):new PassThrough(options)}module.exports=PassThrough;var Transform=require("./_stream_transform");require("inherits")(PassThrough,Transform),PassThrough.prototype._transform=function(chunk,encoding,cb){cb(null,chunk)}},{"./_stream_transform":271,inherits:190}],270:[function(require,module,exports){(function(process,global){(function(){"use strict";function _uint8ArrayToBuffer(chunk){return Buffer.from(chunk)}function _isUint8Array(obj){return Buffer.isBuffer(obj)||obj instanceof OurUint8Array}function prependListener(emitter,event,fn){return"function"==typeof emitter.prependListener?emitter.prependListener(event,fn):void(emitter._events&&emitter._events[event]?Array.isArray(emitter._events[event])?emitter._events[event].unshift(fn):emitter._events[event]=[fn,emitter._events[event]]:emitter.on(event,fn))}function ReadableState(options,stream,isDuplex){Duplex=Duplex||require("./_stream_duplex"),options=options||{},"boolean"!=typeof isDuplex&&(isDuplex=stream instanceof Duplex),this.objectMode=!!options.objectMode,isDuplex&&(this.objectMode=this.objectMode||!!options.readableObjectMode),this.highWaterMark=getHighWaterMark(this,options,"readableHighWaterMark",isDuplex),this.buffer=new BufferList,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.paused=!0,this.emitClose=!1!==options.emitClose,this.autoDestroy=!!options.autoDestroy,this.destroyed=!1,this.defaultEncoding=options.defaultEncoding||"utf8",this.awaitDrain=0,this.readingMore=!1,this.decoder=null,this.encoding=null,options.encoding&&(!StringDecoder&&(StringDecoder=require("string_decoder/").StringDecoder),this.decoder=new StringDecoder(options.encoding),this.encoding=options.encoding)}function Readable(options){if(Duplex=Duplex||require("./_stream_duplex"),!(this instanceof Readable))return new Readable(options);var isDuplex=this instanceof Duplex;this._readableState=new ReadableState(options,this,isDuplex),this.readable=!0,options&&("function"==typeof options.read&&(this._read=options.read),"function"==typeof options.destroy&&(this._destroy=options.destroy)),Stream.call(this)}function readableAddChunk(stream,chunk,encoding,addToFront,skipChunkCheck){debug("readableAddChunk",chunk);var state=stream._readableState;if(null===chunk)state.reading=!1,onEofChunk(stream,state);else{var er;if(skipChunkCheck||(er=chunkInvalid(state,chunk)),er)errorOrDestroy(stream,er);else if(!(state.objectMode||chunk&&0<chunk.length))addToFront||(state.reading=!1,maybeReadMore(stream,state));else if("string"==typeof chunk||state.objectMode||Object.getPrototypeOf(chunk)===Buffer.prototype||(chunk=_uint8ArrayToBuffer(chunk)),addToFront)state.endEmitted?errorOrDestroy(stream,new ERR_STREAM_UNSHIFT_AFTER_END_EVENT):addChunk(stream,state,chunk,!0);else if(state.ended)errorOrDestroy(stream,new ERR_STREAM_PUSH_AFTER_EOF);else{if(state.destroyed)return!1;state.reading=!1,state.decoder&&!encoding?(chunk=state.decoder.write(chunk),state.objectMode||0!==chunk.length?addChunk(stream,state,chunk,!1):maybeReadMore(stream,state)):addChunk(stream,state,chunk,!1)}}return!state.ended&&(state.length<state.highWaterMark||0===state.length)}function addChunk(stream,state,chunk,addToFront){state.flowing&&0===state.length&&!state.sync?(state.awaitDrain=0,stream.emit("data",chunk)):(state.length+=state.objectMode?1:chunk.length,addToFront?state.buffer.unshift(chunk):state.buffer.push(chunk),state.needReadable&&emitReadable(stream)),maybeReadMore(stream,state)}function chunkInvalid(state,chunk){var er;return _isUint8Array(chunk)||"string"==typeof chunk||void 0===chunk||state.objectMode||(er=new ERR_INVALID_ARG_TYPE("chunk",["string","Buffer","Uint8Array"],chunk)),er}function computeNewHighWaterMark(n){return 1073741824<=n?n=1073741824:(n--,n|=n>>>1,n|=n>>>2,n|=n>>>4,n|=n>>>8,n|=n>>>16,n++),n}function howMuchToRead(n,state){return 0>=n||0===state.length&&state.ended?0:state.objectMode?1:n===n?(n>state.highWaterMark&&(state.highWaterMark=computeNewHighWaterMark(n)),n<=state.length?n:state.ended?state.length:(state.needReadable=!0,0)):state.flowing&&state.length?state.buffer.head.data.length:state.length}function onEofChunk(stream,state){if(debug("onEofChunk"),!state.ended){if(state.decoder){var chunk=state.decoder.end();chunk&&chunk.length&&(state.buffer.push(chunk),state.length+=state.objectMode?1:chunk.length)}state.ended=!0,state.sync?emitReadable(stream):(state.needReadable=!1,!state.emittedReadable&&(state.emittedReadable=!0,emitReadable_(stream)))}}function emitReadable(stream){var state=stream._readableState;debug("emitReadable",state.needReadable,state.emittedReadable),state.needReadable=!1,state.emittedReadable||(debug("emitReadable",state.flowing),state.emittedReadable=!0,process.nextTick(emitReadable_,stream))}function emitReadable_(stream){var state=stream._readableState;debug("emitReadable_",state.destroyed,state.length,state.ended),!state.destroyed&&(state.length||state.ended)&&(stream.emit("readable"),state.emittedReadable=!1),state.needReadable=!state.flowing&&!state.ended&&state.length<=state.highWaterMark,flow(stream)}function maybeReadMore(stream,state){state.readingMore||(state.readingMore=!0,process.nextTick(maybeReadMore_,stream,state))}function maybeReadMore_(stream,state){for(;!state.reading&&!state.ended&&(state.length<state.highWaterMark||state.flowing&&0===state.length);){var len=state.length;if(debug("maybeReadMore read 0"),stream.read(0),len===state.length)break}state.readingMore=!1}function pipeOnDrain(src){return function pipeOnDrainFunctionResult(){var state=src._readableState;debug("pipeOnDrain",state.awaitDrain),state.awaitDrain&&state.awaitDrain--,0===state.awaitDrain&&EElistenerCount(src,"data")&&(state.flowing=!0,flow(src))}}function updateReadableListening(self){var state=self._readableState;state.readableListening=0<self.listenerCount("readable"),state.resumeScheduled&&!state.paused?state.flowing=!0:0<self.listenerCount("data")&&self.resume()}function nReadingNextTick(self){debug("readable nexttick read 0"),self.read(0)}function resume(stream,state){state.resumeScheduled||(state.resumeScheduled=!0,process.nextTick(resume_,stream,state))}function resume_(stream,state){debug("resume",state.reading),state.reading||stream.read(0),state.resumeScheduled=!1,stream.emit("resume"),flow(stream),state.flowing&&!state.reading&&stream.read(0)}function flow(stream){var state=stream._readableState;for(debug("flow",state.flowing);state.flowing&&null!==stream.read(););}function fromList(n,state){if(0===state.length)return null;var ret;return state.objectMode?ret=state.buffer.shift():!n||n>=state.length?(ret=state.decoder?state.buffer.join(""):1===state.buffer.length?state.buffer.first():state.buffer.concat(state.length),state.buffer.clear()):ret=state.buffer.consume(n,state.decoder),ret}function endReadable(stream){var state=stream._readableState;debug("endReadable",state.endEmitted),state.endEmitted||(state.ended=!0,process.nextTick(endReadableNT,state,stream))}function endReadableNT(state,stream){if(debug("endReadableNT",state.endEmitted,state.length),!state.endEmitted&&0===state.length&&(state.endEmitted=!0,stream.readable=!1,stream.emit("end"),state.autoDestroy)){var wState=stream._writableState;(!wState||wState.autoDestroy&&wState.finished)&&stream.destroy()}}function indexOf(xs,x){for(var i=0,l=xs.length;i<l;i++)if(xs[i]===x)return i;return-1}module.exports=Readable;var Duplex;Readable.ReadableState=ReadableState;var EE=require("events").EventEmitter,EElistenerCount=function EElistenerCount(emitter,type){return emitter.listeners(type).length},Stream=require("./internal/streams/stream"),Buffer=require("buffer").Buffer,OurUint8Array=global.Uint8Array||function(){},debugUtil=require("util"),debug;debug=debugUtil&&debugUtil.debuglog?debugUtil.debuglog("stream"):function debug(){};var BufferList=require("./internal/streams/buffer_list"),destroyImpl=require("./internal/streams/destroy"),_require=require("./internal/streams/state"),getHighWaterMark=_require.getHighWaterMark,_require$codes=require("../errors").codes,ERR_INVALID_ARG_TYPE=_require$codes.ERR_INVALID_ARG_TYPE,ERR_STREAM_PUSH_AFTER_EOF=_require$codes.ERR_STREAM_PUSH_AFTER_EOF,ERR_METHOD_NOT_IMPLEMENTED=_require$codes.ERR_METHOD_NOT_IMPLEMENTED,ERR_STREAM_UNSHIFT_AFTER_END_EVENT=_require$codes.ERR_STREAM_UNSHIFT_AFTER_END_EVENT,StringDecoder,createReadableStreamAsyncIterator,from;require("inherits")(Readable,Stream);var errorOrDestroy=destroyImpl.errorOrDestroy,kProxyEvents=["error","close","destroy","pause","resume"];Object.defineProperty(Readable.prototype,"destroyed",{enumerable:!1,get:function get(){return void 0!==this._readableState&&this._readableState.destroyed},set:function set(value){this._readableState&&(this._readableState.destroyed=value)}}),Readable.prototype.destroy=destroyImpl.destroy,Readable.prototype._undestroy=destroyImpl.undestroy,Readable.prototype._destroy=function(err,cb){cb(err)},Readable.prototype.push=function(chunk,encoding){var state=this._readableState,skipChunkCheck;return state.objectMode?skipChunkCheck=!0:"string"==typeof chunk&&(encoding=encoding||state.defaultEncoding,encoding!==state.encoding&&(chunk=Buffer.from(chunk,encoding),encoding=""),skipChunkCheck=!0),readableAddChunk(this,chunk,encoding,!1,skipChunkCheck)},Readable.prototype.unshift=function(chunk){return readableAddChunk(this,chunk,null,!0,!1)},Readable.prototype.isPaused=function(){return!1===this._readableState.flowing},Readable.prototype.setEncoding=function(enc){StringDecoder||(StringDecoder=require("string_decoder/").StringDecoder);var decoder=new StringDecoder(enc);this._readableState.decoder=decoder,this._readableState.encoding=this._readableState.decoder.encoding;for(var p=this._readableState.buffer.head,content="";null!==p;)content+=decoder.write(p.data),p=p.next;return this._readableState.buffer.clear(),""!==content&&this._readableState.buffer.push(content),this._readableState.length=content.length,this};var MAX_HWM=1073741824;Readable.prototype.read=function(n){debug("read",n),n=parseInt(n,10);var state=this._readableState,nOrig=n;if(0!==n&&(state.emittedReadable=!1),0===n&&state.needReadable&&((0===state.highWaterMark?0<state.length:state.length>=state.highWaterMark)||state.ended))return debug("read: emitReadable",state.length,state.ended),0===state.length&&state.ended?endReadable(this):emitReadable(this),null;if(n=howMuchToRead(n,state),0===n&&state.ended)return 0===state.length&&endReadable(this),null;var doRead=state.needReadable;debug("need readable",doRead),(0===state.length||state.length-n<state.highWaterMark)&&(doRead=!0,debug("length less than watermark",doRead)),state.ended||state.reading?(doRead=!1,debug("reading or ended",doRead)):doRead&&(debug("do read"),state.reading=!0,state.sync=!0,0===state.length&&(state.needReadable=!0),this._read(state.highWaterMark),state.sync=!1,!state.reading&&(n=howMuchToRead(nOrig,state)));var ret;return ret=0<n?fromList(n,state):null,null===ret?(state.needReadable=state.length<=state.highWaterMark,n=0):(state.length-=n,state.awaitDrain=0),0===state.length&&(!state.ended&&(state.needReadable=!0),nOrig!==n&&state.ended&&endReadable(this)),null!==ret&&this.emit("data",ret),ret},Readable.prototype._read=function(n){errorOrDestroy(this,new ERR_METHOD_NOT_IMPLEMENTED("_read()"))},Readable.prototype.pipe=function(dest,pipeOpts){function onunpipe(readable,unpipeInfo){debug("onunpipe"),readable===src&&unpipeInfo&&!1===unpipeInfo.hasUnpiped&&(unpipeInfo.hasUnpiped=!0,cleanup())}function onend(){debug("onend"),dest.end()}function cleanup(){debug("cleanup"),dest.removeListener("close",onclose),dest.removeListener("finish",onfinish),dest.removeListener("drain",ondrain),dest.removeListener("error",onerror),dest.removeListener("unpipe",onunpipe),src.removeListener("end",onend),src.removeListener("end",unpipe),src.removeListener("data",ondata),cleanedUp=!0,state.awaitDrain&&(!dest._writableState||dest._writableState.needDrain)&&ondrain()}function ondata(chunk){debug("ondata");var ret=dest.write(chunk);debug("dest.write",ret),!1===ret&&((1===state.pipesCount&&state.pipes===dest||1<state.pipesCount&&-1!==indexOf(state.pipes,dest))&&!cleanedUp&&(debug("false write response, pause",state.awaitDrain),state.awaitDrain++),src.pause())}function onerror(er){debug("onerror",er),unpipe(),dest.removeListener("error",onerror),0===EElistenerCount(dest,"error")&&errorOrDestroy(dest,er)}function onclose(){dest.removeListener("finish",onfinish),unpipe()}function onfinish(){debug("onfinish"),dest.removeListener("close",onclose),unpipe()}function unpipe(){debug("unpipe"),src.unpipe(dest)}var src=this,state=this._readableState;switch(state.pipesCount){case 0:state.pipes=dest;break;case 1:state.pipes=[state.pipes,dest];break;default:state.pipes.push(dest);}state.pipesCount+=1,debug("pipe count=%d opts=%j",state.pipesCount,pipeOpts);var doEnd=(!pipeOpts||!1!==pipeOpts.end)&&dest!==process.stdout&&dest!==process.stderr,endFn=doEnd?onend:unpipe;state.endEmitted?process.nextTick(endFn):src.once("end",endFn),dest.on("unpipe",onunpipe);var ondrain=pipeOnDrain(src);dest.on("drain",ondrain);var cleanedUp=!1;return src.on("data",ondata),prependListener(dest,"error",onerror),dest.once("close",onclose),dest.once("finish",onfinish),dest.emit("pipe",src),state.flowing||(debug("pipe resume"),src.resume()),dest},Readable.prototype.unpipe=function(dest){var state=this._readableState,unpipeInfo={hasUnpiped:!1};if(0===state.pipesCount)return this;if(1===state.pipesCount)return dest&&dest!==state.pipes?this:(dest||(dest=state.pipes),state.pipes=null,state.pipesCount=0,state.flowing=!1,dest&&dest.emit("unpipe",this,unpipeInfo),this);if(!dest){var dests=state.pipes,len=state.pipesCount;state.pipes=null,state.pipesCount=0,state.flowing=!1;for(var i=0;i<len;i++)dests[i].emit("unpipe",this,{hasUnpiped:!1});return this}var index=indexOf(state.pipes,dest);return-1===index?this:(state.pipes.splice(index,1),state.pipesCount-=1,1===state.pipesCount&&(state.pipes=state.pipes[0]),dest.emit("unpipe",this,unpipeInfo),this)},Readable.prototype.on=function(ev,fn){var res=Stream.prototype.on.call(this,ev,fn),state=this._readableState;return"data"===ev?(state.readableListening=0<this.listenerCount("readable"),!1!==state.flowing&&this.resume()):"readable"==ev&&!state.endEmitted&&!state.readableListening&&(state.readableListening=state.needReadable=!0,state.flowing=!1,state.emittedReadable=!1,debug("on readable",state.length,state.reading),state.length?emitReadable(this):!state.reading&&process.nextTick(nReadingNextTick,this)),res},Readable.prototype.addListener=Readable.prototype.on,Readable.prototype.removeListener=function(ev,fn){var res=Stream.prototype.removeListener.call(this,ev,fn);return"readable"===ev&&process.nextTick(updateReadableListening,this),res},Readable.prototype.removeAllListeners=function(ev){var res=Stream.prototype.removeAllListeners.apply(this,arguments);return("readable"===ev||void 0===ev)&&process.nextTick(updateReadableListening,this),res},Readable.prototype.resume=function(){var state=this._readableState;return state.flowing||(debug("resume"),state.flowing=!state.readableListening,resume(this,state)),state.paused=!1,this},Readable.prototype.pause=function(){return debug("call pause flowing=%j",this._readableState.flowing),!1!==this._readableState.flowing&&(debug("pause"),this._readableState.flowing=!1,this.emit("pause")),this._readableState.paused=!0,this},Readable.prototype.wrap=function(stream){var _this=this,state=this._readableState,paused=!1;for(var i in stream.on("end",function(){if(debug("wrapped end"),state.decoder&&!state.ended){var chunk=state.decoder.end();chunk&&chunk.length&&_this.push(chunk)}_this.push(null)}),stream.on("data",function(chunk){if((debug("wrapped data"),state.decoder&&(chunk=state.decoder.write(chunk)),!(state.objectMode&&(null===chunk||void 0===chunk)))&&(state.objectMode||chunk&&chunk.length)){var ret=_this.push(chunk);ret||(paused=!0,stream.pause())}}),stream)void 0===this[i]&&"function"==typeof stream[i]&&(this[i]=function methodWrap(method){return function methodWrapReturnFunction(){return stream[method].apply(stream,arguments)}}(i));for(var n=0;n<kProxyEvents.length;n++)stream.on(kProxyEvents[n],this.emit.bind(this,kProxyEvents[n]));return this._read=function(n){debug("wrapped _read",n),paused&&(paused=!1,stream.resume())},this},"function"==typeof Symbol&&(Readable.prototype[Symbol.asyncIterator]=function(){return void 0===createReadableStreamAsyncIterator&&(createReadableStreamAsyncIterator=require("./internal/streams/async_iterator")),createReadableStreamAsyncIterator(this)}),Object.defineProperty(Readable.prototype,"readableHighWaterMark",{enumerable:!1,get:function get(){return this._readableState.highWaterMark}}),Object.defineProperty(Readable.prototype,"readableBuffer",{enumerable:!1,get:function get(){return this._readableState&&this._readableState.buffer}}),Object.defineProperty(Readable.prototype,"readableFlowing",{enumerable:!1,get:function get(){return this._readableState.flowing},set:function set(state){this._readableState&&(this._readableState.flowing=state)}}),Readable._fromList=fromList,Object.defineProperty(Readable.prototype,"readableLength",{enumerable:!1,get:function get(){return this._readableState.length}}),"function"==typeof Symbol&&(Readable.from=function(iterable,opts){return void 0===from&&(from=require("./internal/streams/from")),from(Readable,iterable,opts)})}).call(this)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"../errors":267,"./_stream_duplex":268,"./internal/streams/async_iterator":273,"./internal/streams/buffer_list":274,"./internal/streams/destroy":275,"./internal/streams/from":277,"./internal/streams/state":279,"./internal/streams/stream":280,_process:246,buffer:101,events:156,inherits:190,"string_decoder/":321,util:66}],271:[function(require,module,exports){"use strict";function afterTransform(er,data){var ts=this._transformState;ts.transforming=!1;var cb=ts.writecb;if(null===cb)return this.emit("error",new ERR_MULTIPLE_CALLBACK);ts.writechunk=null,ts.writecb=null,null!=data&&this.push(data),cb(er);var rs=this._readableState;rs.reading=!1,(rs.needReadable||rs.length<rs.highWaterMark)&&this._read(rs.highWaterMark)}function Transform(options){return this instanceof Transform?void(Duplex.call(this,options),this._transformState={afterTransform:afterTransform.bind(this),needTransform:!1,transforming:!1,writecb:null,writechunk:null,writeencoding:null},this._readableState.needReadable=!0,this._readableState.sync=!1,options&&("function"==typeof options.transform&&(this._transform=options.transform),"function"==typeof options.flush&&(this._flush=options.flush)),this.on("prefinish",prefinish)):new Transform(options)}function prefinish(){var _this=this;"function"!=typeof this._flush||this._readableState.destroyed?done(this,null,null):this._flush(function(er,data){done(_this,er,data)})}function done(stream,er,data){if(er)return stream.emit("error",er);if(null!=data&&stream.push(data),stream._writableState.length)throw new ERR_TRANSFORM_WITH_LENGTH_0;if(stream._transformState.transforming)throw new ERR_TRANSFORM_ALREADY_TRANSFORMING;return stream.push(null)}module.exports=Transform;var _require$codes=require("../errors").codes,ERR_METHOD_NOT_IMPLEMENTED=_require$codes.ERR_METHOD_NOT_IMPLEMENTED,ERR_MULTIPLE_CALLBACK=_require$codes.ERR_MULTIPLE_CALLBACK,ERR_TRANSFORM_ALREADY_TRANSFORMING=_require$codes.ERR_TRANSFORM_ALREADY_TRANSFORMING,ERR_TRANSFORM_WITH_LENGTH_0=_require$codes.ERR_TRANSFORM_WITH_LENGTH_0,Duplex=require("./_stream_duplex");require("inherits")(Transform,Duplex),Transform.prototype.push=function(chunk,encoding){return this._transformState.needTransform=!1,Duplex.prototype.push.call(this,chunk,encoding)},Transform.prototype._transform=function(chunk,encoding,cb){cb(new ERR_METHOD_NOT_IMPLEMENTED("_transform()"))},Transform.prototype._write=function(chunk,encoding,cb){var ts=this._transformState;if(ts.writecb=cb,ts.writechunk=chunk,ts.writeencoding=encoding,!ts.transforming){var rs=this._readableState;(ts.needTransform||rs.needReadable||rs.length<rs.highWaterMark)&&this._read(rs.highWaterMark)}},Transform.prototype._read=function(n){var ts=this._transformState;null===ts.writechunk||ts.transforming?ts.needTransform=!0:(ts.transforming=!0,this._transform(ts.writechunk,ts.writeencoding,ts.afterTransform))},Transform.prototype._destroy=function(err,cb){Duplex.prototype._destroy.call(this,err,function(err2){cb(err2)})}},{"../errors":267,"./_stream_duplex":268,inherits:190}],272:[function(require,module,exports){(function(process,global){(function(){"use strict";function WriteReq(chunk,encoding,cb){this.chunk=chunk,this.encoding=encoding,this.callback=cb,this.next=null}function CorkedRequest(state){var _this=this;this.next=null,this.entry=null,this.finish=function(){onCorkedFinish(_this,state)}}function _uint8ArrayToBuffer(chunk){return Buffer.from(chunk)}function _isUint8Array(obj){return Buffer.isBuffer(obj)||obj instanceof OurUint8Array}function nop(){}function WritableState(options,stream,isDuplex){Duplex=Duplex||require("./_stream_duplex"),options=options||{},"boolean"!=typeof isDuplex&&(isDuplex=stream instanceof Duplex),this.objectMode=!!options.objectMode,isDuplex&&(this.objectMode=this.objectMode||!!options.writableObjectMode),this.highWaterMark=getHighWaterMark(this,options,"writableHighWaterMark",isDuplex),this.finalCalled=!1,this.needDrain=!1,this.ending=!1,this.ended=!1,this.finished=!1,this.destroyed=!1;var noDecode=!1===options.decodeStrings;this.decodeStrings=!noDecode,this.defaultEncoding=options.defaultEncoding||"utf8",this.length=0,this.writing=!1,this.corked=0,this.sync=!0,this.bufferProcessing=!1,this.onwrite=function(er){onwrite(stream,er)},this.writecb=null,this.writelen=0,this.bufferedRequest=null,this.lastBufferedRequest=null,this.pendingcb=0,this.prefinished=!1,this.errorEmitted=!1,this.emitClose=!1!==options.emitClose,this.autoDestroy=!!options.autoDestroy,this.bufferedRequestCount=0,this.corkedRequestsFree=new CorkedRequest(this)}function Writable(options){Duplex=Duplex||require("./_stream_duplex");var isDuplex=this instanceof Duplex;return isDuplex||realHasInstance.call(Writable,this)?void(this._writableState=new WritableState(options,this,isDuplex),this.writable=!0,options&&("function"==typeof options.write&&(this._write=options.write),"function"==typeof options.writev&&(this._writev=options.writev),"function"==typeof options.destroy&&(this._destroy=options.destroy),"function"==typeof options.final&&(this._final=options.final)),Stream.call(this)):new Writable(options)}function writeAfterEnd(stream,cb){var er=new ERR_STREAM_WRITE_AFTER_END;errorOrDestroy(stream,er),process.nextTick(cb,er)}function validChunk(stream,state,chunk,cb){var er;return null===chunk?er=new ERR_STREAM_NULL_VALUES:"string"!=typeof chunk&&!state.objectMode&&(er=new ERR_INVALID_ARG_TYPE("chunk",["string","Buffer"],chunk)),!er||(errorOrDestroy(stream,er),process.nextTick(cb,er),!1)}function decodeChunk(state,chunk,encoding){return state.objectMode||!1===state.decodeStrings||"string"!=typeof chunk||(chunk=Buffer.from(chunk,encoding)),chunk}function writeOrBuffer(stream,state,isBuf,chunk,encoding,cb){if(!isBuf){var newChunk=decodeChunk(state,chunk,encoding);chunk!==newChunk&&(isBuf=!0,encoding="buffer",chunk=newChunk)}var len=state.objectMode?1:chunk.length;state.length+=len;var ret=state.length<state.highWaterMark;if(ret||(state.needDrain=!0),state.writing||state.corked){var last=state.lastBufferedRequest;state.lastBufferedRequest={chunk:chunk,encoding:encoding,isBuf:isBuf,callback:cb,next:null},last?last.next=state.lastBufferedRequest:state.bufferedRequest=state.lastBufferedRequest,state.bufferedRequestCount+=1}else doWrite(stream,state,!1,len,chunk,encoding,cb);return ret}function doWrite(stream,state,writev,len,chunk,encoding,cb){state.writelen=len,state.writecb=cb,state.writing=!0,state.sync=!0,state.destroyed?state.onwrite(new ERR_STREAM_DESTROYED("write")):writev?stream._writev(chunk,state.onwrite):stream._write(chunk,encoding,state.onwrite),state.sync=!1}function onwriteError(stream,state,sync,er,cb){--state.pendingcb,sync?(process.nextTick(cb,er),process.nextTick(finishMaybe,stream,state),stream._writableState.errorEmitted=!0,errorOrDestroy(stream,er)):(cb(er),stream._writableState.errorEmitted=!0,errorOrDestroy(stream,er),finishMaybe(stream,state))}function onwriteStateUpdate(state){state.writing=!1,state.writecb=null,state.length-=state.writelen,state.writelen=0}function onwrite(stream,er){var state=stream._writableState,sync=state.sync,cb=state.writecb;if("function"!=typeof cb)throw new ERR_MULTIPLE_CALLBACK;if(onwriteStateUpdate(state),er)onwriteError(stream,state,sync,er,cb);else{var finished=needFinish(state)||stream.destroyed;finished||state.corked||state.bufferProcessing||!state.bufferedRequest||clearBuffer(stream,state),sync?process.nextTick(afterWrite,stream,state,finished,cb):afterWrite(stream,state,finished,cb)}}function afterWrite(stream,state,finished,cb){finished||onwriteDrain(stream,state),state.pendingcb--,cb(),finishMaybe(stream,state)}function onwriteDrain(stream,state){0===state.length&&state.needDrain&&(state.needDrain=!1,stream.emit("drain"))}function clearBuffer(stream,state){state.bufferProcessing=!0;var entry=state.bufferedRequest;if(stream._writev&&entry&&entry.next){var l=state.bufferedRequestCount,buffer=Array(l),holder=state.corkedRequestsFree;holder.entry=entry;for(var count=0,allBuffers=!0;entry;)buffer[count]=entry,entry.isBuf||(allBuffers=!1),entry=entry.next,count+=1;buffer.allBuffers=allBuffers,doWrite(stream,state,!0,state.length,buffer,"",holder.finish),state.pendingcb++,state.lastBufferedRequest=null,holder.next?(state.corkedRequestsFree=holder.next,holder.next=null):state.corkedRequestsFree=new CorkedRequest(state),state.bufferedRequestCount=0}else{for(;entry;){var chunk=entry.chunk,encoding=entry.encoding,cb=entry.callback,len=state.objectMode?1:chunk.length;if(doWrite(stream,state,!1,len,chunk,encoding,cb),entry=entry.next,state.bufferedRequestCount--,state.writing)break}null===entry&&(state.lastBufferedRequest=null)}state.bufferedRequest=entry,state.bufferProcessing=!1}function needFinish(state){return state.ending&&0===state.length&&null===state.bufferedRequest&&!state.finished&&!state.writing}function callFinal(stream,state){stream._final(function(err){state.pendingcb--,err&&errorOrDestroy(stream,err),state.prefinished=!0,stream.emit("prefinish"),finishMaybe(stream,state)})}function prefinish(stream,state){state.prefinished||state.finalCalled||("function"!=typeof stream._final||state.destroyed?(state.prefinished=!0,stream.emit("prefinish")):(state.pendingcb++,state.finalCalled=!0,process.nextTick(callFinal,stream,state)))}function finishMaybe(stream,state){var need=needFinish(state);if(need&&(prefinish(stream,state),0===state.pendingcb&&(state.finished=!0,stream.emit("finish"),state.autoDestroy))){var rState=stream._readableState;(!rState||rState.autoDestroy&&rState.endEmitted)&&stream.destroy()}return need}function endWritable(stream,state,cb){state.ending=!0,finishMaybe(stream,state),cb&&(state.finished?process.nextTick(cb):stream.once("finish",cb)),state.ended=!0,stream.writable=!1}function onCorkedFinish(corkReq,state,err){var entry=corkReq.entry;for(corkReq.entry=null;entry;){var cb=entry.callback;state.pendingcb--,cb(err),entry=entry.next}state.corkedRequestsFree.next=corkReq}module.exports=Writable;var Duplex;Writable.WritableState=WritableState;var internalUtil={deprecate:require("util-deprecate")},Stream=require("./internal/streams/stream"),Buffer=require("buffer").Buffer,OurUint8Array=global.Uint8Array||function(){},destroyImpl=require("./internal/streams/destroy"),_require=require("./internal/streams/state"),getHighWaterMark=_require.getHighWaterMark,_require$codes=require("../errors").codes,ERR_INVALID_ARG_TYPE=_require$codes.ERR_INVALID_ARG_TYPE,ERR_METHOD_NOT_IMPLEMENTED=_require$codes.ERR_METHOD_NOT_IMPLEMENTED,ERR_MULTIPLE_CALLBACK=_require$codes.ERR_MULTIPLE_CALLBACK,ERR_STREAM_CANNOT_PIPE=_require$codes.ERR_STREAM_CANNOT_PIPE,ERR_STREAM_DESTROYED=_require$codes.ERR_STREAM_DESTROYED,ERR_STREAM_NULL_VALUES=_require$codes.ERR_STREAM_NULL_VALUES,ERR_STREAM_WRITE_AFTER_END=_require$codes.ERR_STREAM_WRITE_AFTER_END,ERR_UNKNOWN_ENCODING=_require$codes.ERR_UNKNOWN_ENCODING,errorOrDestroy=destroyImpl.errorOrDestroy;require("inherits")(Writable,Stream),WritableState.prototype.getBuffer=function getBuffer(){for(var current=this.bufferedRequest,out=[];current;)out.push(current),current=current.next;return out},function(){try{Object.defineProperty(WritableState.prototype,"buffer",{get:internalUtil.deprecate(function writableStateBufferGetter(){return this.getBuffer()},"_writableState.buffer is deprecated. Use _writableState.getBuffer instead.","DEP0003")})}catch(_){}}();var realHasInstance;"function"==typeof Symbol&&Symbol.hasInstance&&"function"==typeof Function.prototype[Symbol.hasInstance]?(realHasInstance=Function.prototype[Symbol.hasInstance],Object.defineProperty(Writable,Symbol.hasInstance,{value:function value(object){return!!realHasInstance.call(this,object)||!(this!==Writable)&&object&&object._writableState instanceof WritableState}})):realHasInstance=function realHasInstance(object){return object instanceof this},Writable.prototype.pipe=function(){errorOrDestroy(this,new ERR_STREAM_CANNOT_PIPE)},Writable.prototype.write=function(chunk,encoding,cb){var state=this._writableState,ret=!1,isBuf=!state.objectMode&&_isUint8Array(chunk);return isBuf&&!Buffer.isBuffer(chunk)&&(chunk=_uint8ArrayToBuffer(chunk)),"function"==typeof encoding&&(cb=encoding,encoding=null),isBuf?encoding="buffer":!encoding&&(encoding=state.defaultEncoding),"function"!=typeof cb&&(cb=nop),state.ending?writeAfterEnd(this,cb):(isBuf||validChunk(this,state,chunk,cb))&&(state.pendingcb++,ret=writeOrBuffer(this,state,isBuf,chunk,encoding,cb)),ret},Writable.prototype.cork=function(){this._writableState.corked++},Writable.prototype.uncork=function(){var state=this._writableState;state.corked&&(state.corked--,!state.writing&&!state.corked&&!state.bufferProcessing&&state.bufferedRequest&&clearBuffer(this,state))},Writable.prototype.setDefaultEncoding=function setDefaultEncoding(encoding){if("string"==typeof encoding&&(encoding=encoding.toLowerCase()),!(-1<["hex","utf8","utf-8","ascii","binary","base64","ucs2","ucs-2","utf16le","utf-16le","raw"].indexOf((encoding+"").toLowerCase())))throw new ERR_UNKNOWN_ENCODING(encoding);return this._writableState.defaultEncoding=encoding,this},Object.defineProperty(Writable.prototype,"writableBuffer",{enumerable:!1,get:function get(){return this._writableState&&this._writableState.getBuffer()}}),Object.defineProperty(Writable.prototype,"writableHighWaterMark",{enumerable:!1,get:function get(){return this._writableState.highWaterMark}}),Writable.prototype._write=function(chunk,encoding,cb){cb(new ERR_METHOD_NOT_IMPLEMENTED("_write()"))},Writable.prototype._writev=null,Writable.prototype.end=function(chunk,encoding,cb){var state=this._writableState;return"function"==typeof chunk?(cb=chunk,chunk=null,encoding=null):"function"==typeof encoding&&(cb=encoding,encoding=null),null!==chunk&&void 0!==chunk&&this.write(chunk,encoding),state.corked&&(state.corked=1,this.uncork()),state.ending||endWritable(this,state,cb),this},Object.defineProperty(Writable.prototype,"writableLength",{enumerable:!1,get:function get(){return this._writableState.length}}),Object.defineProperty(Writable.prototype,"destroyed",{enumerable:!1,get:function get(){return void 0!==this._writableState&&this._writableState.destroyed},set:function set(value){this._writableState&&(this._writableState.destroyed=value)}}),Writable.prototype.destroy=destroyImpl.destroy,Writable.prototype._undestroy=destroyImpl.undestroy,Writable.prototype._destroy=function(err,cb){cb(err)}}).call(this)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"../errors":267,"./_stream_duplex":268,"./internal/streams/destroy":275,"./internal/streams/state":279,"./internal/streams/stream":280,_process:246,buffer:101,inherits:190,"util-deprecate":335}],273:[function(require,module,exports){(function(process){(function(){"use strict";function _defineProperty(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj}function createIterResult(value,done){return{value:value,done:done}}function readAndResolve(iter){var resolve=iter[kLastResolve];if(null!==resolve){var data=iter[kStream].read();null!==data&&(iter[kLastPromise]=null,iter[kLastResolve]=null,iter[kLastReject]=null,resolve(createIterResult(data,!1)))}}function onReadable(iter){process.nextTick(readAndResolve,iter)}function wrapForNext(lastPromise,iter){return function(resolve,reject){lastPromise.then(function(){return iter[kEnded]?void resolve(createIterResult(void 0,!0)):void iter[kHandlePromise](resolve,reject)},reject)}}var finished=require("./end-of-stream"),kLastResolve=Symbol("lastResolve"),kLastReject=Symbol("lastReject"),kError=Symbol("error"),kEnded=Symbol("ended"),kLastPromise=Symbol("lastPromise"),kHandlePromise=Symbol("handlePromise"),kStream=Symbol("stream"),AsyncIteratorPrototype=Object.getPrototypeOf(function(){}),ReadableStreamAsyncIteratorPrototype=Object.setPrototypeOf((_Object$setPrototypeO={get stream(){return this[kStream]},next:function next(){var _this=this,error=this[kError];if(null!==error)return Promise.reject(error);if(this[kEnded])return Promise.resolve(createIterResult(void 0,!0));if(this[kStream].destroyed)return new Promise(function(resolve,reject){process.nextTick(function(){_this[kError]?reject(_this[kError]):resolve(createIterResult(void 0,!0))})});var lastPromise=this[kLastPromise],promise;if(lastPromise)promise=new Promise(wrapForNext(lastPromise,this));else{var data=this[kStream].read();if(null!==data)return Promise.resolve(createIterResult(data,!1));promise=new Promise(this[kHandlePromise])}return this[kLastPromise]=promise,promise}},_defineProperty(_Object$setPrototypeO,Symbol.asyncIterator,function(){return this}),_defineProperty(_Object$setPrototypeO,"return",function _return(){var _this2=this;return new Promise(function(resolve,reject){_this2[kStream].destroy(null,function(err){return err?void reject(err):void resolve(createIterResult(void 0,!0))})})}),_Object$setPrototypeO),AsyncIteratorPrototype),createReadableStreamAsyncIterator=function createReadableStreamAsyncIterator(stream){var iterator=Object.create(ReadableStreamAsyncIteratorPrototype,(_Object$create={},_defineProperty(_Object$create,kStream,{value:stream,writable:!0}),_defineProperty(_Object$create,kLastResolve,{value:null,writable:!0}),_defineProperty(_Object$create,kLastReject,{value:null,writable:!0}),_defineProperty(_Object$create,kError,{value:null,writable:!0}),_defineProperty(_Object$create,kEnded,{value:stream._readableState.endEmitted,writable:!0}),_defineProperty(_Object$create,kHandlePromise,{value:function value(resolve,reject){var data=iterator[kStream].read();data?(iterator[kLastPromise]=null,iterator[kLastResolve]=null,iterator[kLastReject]=null,resolve(createIterResult(data,!1))):(iterator[kLastResolve]=resolve,iterator[kLastReject]=reject)},writable:!0}),_Object$create)),_Object$create;return iterator[kLastPromise]=null,finished(stream,function(err){if(err&&"ERR_STREAM_PREMATURE_CLOSE"!==err.code){var reject=iterator[kLastReject];return null!==reject&&(iterator[kLastPromise]=null,iterator[kLastResolve]=null,iterator[kLastReject]=null,reject(err)),void(iterator[kError]=err)}var resolve=iterator[kLastResolve];null!==resolve&&(iterator[kLastPromise]=null,iterator[kLastResolve]=null,iterator[kLastReject]=null,resolve(createIterResult(void 0,!0))),iterator[kEnded]=!0}),stream.on("readable",onReadable.bind(null,iterator)),iterator},_Object$setPrototypeO;module.exports=createReadableStreamAsyncIterator}).call(this)}).call(this,require("_process"))},{"./end-of-stream":276,_process:246}],274:[function(require,module,exports){"use strict";function ownKeys(object,enumerableOnly){var keys=Object.keys(object);if(Object.getOwnPropertySymbols){var symbols=Object.getOwnPropertySymbols(object);enumerableOnly&&(symbols=symbols.filter(function(sym){return Object.getOwnPropertyDescriptor(object,sym).enumerable})),keys.push.apply(keys,symbols)}return keys}function _objectSpread(target){for(var i=1,source;i<arguments.length;i++)source=null==arguments[i]?{}:arguments[i],i%2?ownKeys(Object(source),!0).forEach(function(key){_defineProperty(target,key,source[key])}):Object.getOwnPropertyDescriptors?Object.defineProperties(target,Object.getOwnPropertyDescriptors(source)):ownKeys(Object(source)).forEach(function(key){Object.defineProperty(target,key,Object.getOwnPropertyDescriptor(source,key))});return target}function _defineProperty(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj}function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}function _defineProperties(target,props){for(var i=0,descriptor;i<props.length;i++)descriptor=props[i],descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}function _createClass(Constructor,protoProps,staticProps){return protoProps&&_defineProperties(Constructor.prototype,protoProps),staticProps&&_defineProperties(Constructor,staticProps),Constructor}function copyBuffer(src,target,offset){Buffer.prototype.copy.call(src,target,offset)}var _require=require("buffer"),Buffer=_require.Buffer,_require2=require("util"),inspect=_require2.inspect,custom=inspect&&inspect.custom||"inspect";module.exports=function(){function BufferList(){_classCallCheck(this,BufferList),this.head=null,this.tail=null,this.length=0}return _createClass(BufferList,[{key:"push",value:function push(v){var entry={data:v,next:null};0<this.length?this.tail.next=entry:this.head=entry,this.tail=entry,++this.length}},{key:"unshift",value:function unshift(v){var entry={data:v,next:this.head};0===this.length&&(this.tail=entry),this.head=entry,++this.length}},{key:"shift",value:function shift(){if(0!==this.length){var ret=this.head.data;return this.head=1===this.length?this.tail=null:this.head.next,--this.length,ret}}},{key:"clear",value:function clear(){this.head=this.tail=null,this.length=0}},{key:"join",value:function join(s){if(0===this.length)return"";for(var p=this.head,ret=""+p.data;p=p.next;)ret+=s+p.data;return ret}},{key:"concat",value:function concat(n){if(0===this.length)return Buffer.alloc(0);for(var ret=Buffer.allocUnsafe(n>>>0),p=this.head,i=0;p;)copyBuffer(p.data,ret,i),i+=p.data.length,p=p.next;return ret}},{key:"consume",value:function consume(n,hasStrings){var ret;return n<this.head.data.length?(ret=this.head.data.slice(0,n),this.head.data=this.head.data.slice(n)):n===this.head.data.length?ret=this.shift():ret=hasStrings?this._getString(n):this._getBuffer(n),ret}},{key:"first",value:function first(){return this.head.data}},{key:"_getString",value:function _getString(n){var p=this.head,c=1,ret=p.data;for(n-=ret.length;p=p.next;){var str=p.data,nb=n>str.length?str.length:n;if(ret+=nb===str.length?str:str.slice(0,n),n-=nb,0===n){nb===str.length?(++c,this.head=p.next?p.next:this.tail=null):(this.head=p,p.data=str.slice(nb));break}++c}return this.length-=c,ret}},{key:"_getBuffer",value:function _getBuffer(n){var ret=Buffer.allocUnsafe(n),p=this.head,c=1;for(p.data.copy(ret),n-=p.data.length;p=p.next;){var buf=p.data,nb=n>buf.length?buf.length:n;if(buf.copy(ret,ret.length-n,0,nb),n-=nb,0===n){nb===buf.length?(++c,this.head=p.next?p.next:this.tail=null):(this.head=p,p.data=buf.slice(nb));break}++c}return this.length-=c,ret}},{key:custom,value:function value(_,options){return inspect(this,_objectSpread({},options,{depth:0,customInspect:!1}))}}]),BufferList}()},{buffer:101,util:66}],275:[function(require,module,exports){(function(process){(function(){"use strict";function destroy(err,cb){var _this=this,readableDestroyed=this._readableState&&this._readableState.destroyed,writableDestroyed=this._writableState&&this._writableState.destroyed;return readableDestroyed||writableDestroyed?(cb?cb(err):err&&(this._writableState?!this._writableState.errorEmitted&&(this._writableState.errorEmitted=!0,process.nextTick(emitErrorNT,this,err)):process.nextTick(emitErrorNT,this,err)),this):(this._readableState&&(this._readableState.destroyed=!0),this._writableState&&(this._writableState.destroyed=!0),this._destroy(err||null,function(err){!cb&&err?_this._writableState?_this._writableState.errorEmitted?process.nextTick(emitCloseNT,_this):(_this._writableState.errorEmitted=!0,process.nextTick(emitErrorAndCloseNT,_this,err)):process.nextTick(emitErrorAndCloseNT,_this,err):cb?(process.nextTick(emitCloseNT,_this),cb(err)):process.nextTick(emitCloseNT,_this)}),this)}function emitErrorAndCloseNT(self,err){emitErrorNT(self,err),emitCloseNT(self)}function emitCloseNT(self){self._writableState&&!self._writableState.emitClose||self._readableState&&!self._readableState.emitClose||self.emit("close")}function undestroy(){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)}function emitErrorNT(self,err){self.emit("error",err)}function errorOrDestroy(stream,err){var rState=stream._readableState,wState=stream._writableState;rState&&rState.autoDestroy||wState&&wState.autoDestroy?stream.destroy(err):stream.emit("error",err)}module.exports={destroy:destroy,undestroy:undestroy,errorOrDestroy:errorOrDestroy}}).call(this)}).call(this,require("_process"))},{_process:246}],276:[function(require,module,exports){"use strict";function once(callback){var called=!1;return function(){if(!called){called=!0;for(var _len=arguments.length,args=Array(_len),_key=0;_key<_len;_key++)args[_key]=arguments[_key];callback.apply(this,args)}}}function noop(){}function isRequest(stream){return stream.setHeader&&"function"==typeof stream.abort}function eos(stream,opts,callback){if("function"==typeof opts)return eos(stream,null,opts);opts||(opts={}),callback=once(callback||noop);var readable=opts.readable||!1!==opts.readable&&stream.readable,writable=opts.writable||!1!==opts.writable&&stream.writable,onlegacyfinish=function onlegacyfinish(){stream.writable||onfinish()},writableEnded=stream._writableState&&stream._writableState.finished,onfinish=function onfinish(){writable=!1,writableEnded=!0,readable||callback.call(stream)},readableEnded=stream._readableState&&stream._readableState.endEmitted,onend=function onend(){readable=!1,readableEnded=!0,writable||callback.call(stream)},onerror=function onerror(err){callback.call(stream,err)},onclose=function onclose(){var err;return readable&&!readableEnded?(stream._readableState&&stream._readableState.ended||(err=new ERR_STREAM_PREMATURE_CLOSE),callback.call(stream,err)):writable&&!writableEnded?(stream._writableState&&stream._writableState.ended||(err=new ERR_STREAM_PREMATURE_CLOSE),callback.call(stream,err)):void 0},onrequest=function onrequest(){stream.req.on("finish",onfinish)};return isRequest(stream)?(stream.on("complete",onfinish),stream.on("abort",onclose),stream.req?onrequest():stream.on("request",onrequest)):writable&&!stream._writableState&&(stream.on("end",onlegacyfinish),stream.on("close",onlegacyfinish)),stream.on("end",onend),stream.on("finish",onfinish),!1!==opts.error&&stream.on("error",onerror),stream.on("close",onclose),function(){stream.removeListener("complete",onfinish),stream.removeListener("abort",onclose),stream.removeListener("request",onrequest),stream.req&&stream.req.removeListener("finish",onfinish),stream.removeListener("end",onlegacyfinish),stream.removeListener("close",onlegacyfinish),stream.removeListener("finish",onfinish),stream.removeListener("end",onend),stream.removeListener("error",onerror),stream.removeListener("close",onclose)}}var ERR_STREAM_PREMATURE_CLOSE=require("../../../errors").codes.ERR_STREAM_PREMATURE_CLOSE;module.exports=eos},{"../../../errors":267}],277:[function(require,module,exports){module.exports=function(){throw new Error("Readable.from is not available in the browser")}},{}],278:[function(require,module,exports){"use strict";function once(callback){var called=!1;return function(){called||(called=!0,callback.apply(void 0,arguments))}}function noop(err){if(err)throw err}function isRequest(stream){return stream.setHeader&&"function"==typeof stream.abort}function destroyer(stream,reading,writing,callback){callback=once(callback);var closed=!1;stream.on("close",function(){closed=!0}),eos===void 0&&(eos=require("./end-of-stream")),eos(stream,{readable:reading,writable:writing},function(err){return err?callback(err):void(closed=!0,callback())});var destroyed=!1;return function(err){if(!closed)return destroyed?void 0:(destroyed=!0,isRequest(stream)?stream.abort():"function"==typeof stream.destroy?stream.destroy():void callback(err||new ERR_STREAM_DESTROYED("pipe")))}}function call(fn){fn()}function pipe(from,to){return from.pipe(to)}function popCallback(streams){return streams.length?"function"==typeof streams[streams.length-1]?streams.pop():noop:noop}function pipeline(){for(var _len=arguments.length,streams=Array(_len),_key=0;_key<_len;_key++)streams[_key]=arguments[_key];var callback=popCallback(streams);if(Array.isArray(streams[0])&&(streams=streams[0]),2>streams.length)throw new ERR_MISSING_ARGS("streams");var destroys=streams.map(function(stream,i){var reading=i<streams.length-1,writing=0<i;return destroyer(stream,reading,writing,function(err){error||(error=err),err&&destroys.forEach(call),reading||(destroys.forEach(call),callback(error))})}),error;return streams.reduce(pipe)}var _require$codes=require("../../../errors").codes,ERR_MISSING_ARGS=_require$codes.ERR_MISSING_ARGS,ERR_STREAM_DESTROYED=_require$codes.ERR_STREAM_DESTROYED,eos;module.exports=pipeline},{"../../../errors":267,"./end-of-stream":276}],279:[function(require,module,exports){"use strict";function highWaterMarkFrom(options,isDuplex,duplexKey){return null==options.highWaterMark?isDuplex?options[duplexKey]:null:options.highWaterMark}function getHighWaterMark(state,options,duplexKey,isDuplex){var hwm=highWaterMarkFrom(options,isDuplex,duplexKey);if(null!=hwm){if(!(isFinite(hwm)&&_Mathfloor(hwm)===hwm)||0>hwm){var name=isDuplex?duplexKey:"highWaterMark";throw new ERR_INVALID_OPT_VALUE(name,hwm)}return _Mathfloor(hwm)}return state.objectMode?16:16384}var ERR_INVALID_OPT_VALUE=require("../../../errors").codes.ERR_INVALID_OPT_VALUE;module.exports={getHighWaterMark:getHighWaterMark}},{"../../../errors":267}],280:[function(require,module,exports){module.exports=require("events").EventEmitter},{events:156}],281:[function(require,module,exports){exports=module.exports=require("./lib/_stream_readable.js"),exports.Stream=exports,exports.Readable=exports,exports.Writable=require("./lib/_stream_writable.js"),exports.Duplex=require("./lib/_stream_duplex.js"),exports.Transform=require("./lib/_stream_transform.js"),exports.PassThrough=require("./lib/_stream_passthrough.js"),exports.finished=require("./lib/internal/streams/end-of-stream.js"),exports.pipeline=require("./lib/internal/streams/pipeline.js")},{"./lib/_stream_duplex.js":268,"./lib/_stream_passthrough.js":269,"./lib/_stream_readable.js":270,"./lib/_stream_transform.js":271,"./lib/_stream_writable.js":272,"./lib/internal/streams/end-of-stream.js":276,"./lib/internal/streams/pipeline.js":278}],282:[function(require,module,exports){function RecordSet(){this.list=[],this.map=new Map}function RecordStore(){this.records=new Map,this.size=0}function RecordCache(opts){if(!(this instanceof RecordCache))return new RecordCache(opts);if(opts||(opts={}),this.maxSize=opts.maxSize||1/0,this.maxAge=opts.maxAge||0,this._onstale=opts.onStale||opts.onstale||null,this._fresh=new RecordStore,this._stale=new RecordStore,this._interval=null,this._gced=!1,this.maxAge&&this.maxAge<1/0){var tick=_Mathceil(2/3*this.maxAge);this._interval=setInterval(this._gcAuto.bind(this),tick),this._interval.unref&&this._interval.unref()}}function toString(record){return b4a.isBuffer(record)?b4a.toString(record,"hex"):record}function swap(list,a,b){var tmp=list[a];tmp.index=b,list[b].index=a,list[a]=list[b],list[b]=tmp}const b4a=require("b4a");var EMPTY=[];module.exports=RecordCache,RecordSet.prototype.add=function(record,value){var k=toString(record),r=this.map.get(k);return!r&&(r={index:this.list.length,record:value||record},this.list.push(r),this.map.set(k,r),!0)},RecordSet.prototype.remove=function(record){var k=toString(record),r=this.map.get(k);return!!r&&(swap(this.list,r.index,this.list.length-1),this.list.pop(),this.map.delete(k),!0)},RecordStore.prototype.add=function(name,record,value){var r=this.records.get(name);return r||(r=new RecordSet,this.records.set(name,r)),!!r.add(record,value)&&(this.size++,!0)},RecordStore.prototype.remove=function(name,record,value){var r=this.records.get(name);return!!r&&!!r.remove(record,value)&&(this.size--,r.map.size||this.records.delete(name),!0)},RecordStore.prototype.get=function(name){var r=this.records.get(name);return r?r.list:EMPTY},Object.defineProperty(RecordCache.prototype,"size",{get:function(){return this._fresh.size+this._stale.size}}),RecordCache.prototype.add=function(name,record,value){this._stale.remove(name,record,value),this._fresh.add(name,record,value)&&this._fresh.size>this.maxSize&&this._gc()},RecordCache.prototype.remove=function(name,record,value){this._fresh.remove(name,record,value),this._stale.remove(name,record,value)},RecordCache.prototype.get=function(name,n){var a=this._fresh.get(name),b=this._stale.get(name),aLen=a.length,bLen=b.length,len=aLen+bLen;(n>len||!n)&&(n=len);for(var result=Array(n),i=0,j;i<n;i++)j=_Mathfloor(Math.random()*(aLen+bLen)),j<aLen?(result[i]=a[j].record,swap(a,j,--aLen)):(j-=aLen,result[i]=b[j].record,swap(b,j,--bLen));return result},RecordCache.prototype._gcAuto=function(){this._gced||this._gc(),this._gced=!1},RecordCache.prototype._gc=function(){this._onstale&&0<this._stale.size&&this._onstale(this._stale),this._stale=this._fresh,this._fresh=new RecordStore,this._gced=!0},RecordCache.prototype.clear=function(){this._gc(),this._gc()},RecordCache.prototype.destroy=function(){this.clear(),clearInterval(this._interval),this._interval=null}},{b4a:37}],283:[function(require,module,exports){function render(file,elem,opts,cb){"function"==typeof opts&&(cb=opts,opts={}),opts||(opts={}),cb||(cb=()=>{}),validateFile(file),parseOpts(opts),"string"==typeof elem&&(elem=document.querySelector(elem)),renderMedia(file,tagName=>{if(elem.nodeName!==tagName.toUpperCase()){const extname=path.extname(file.name).toLowerCase();throw new Error(`Cannot render "${extname}" inside a "${elem.nodeName.toLowerCase()}" element, expected "${tagName}"`)}return("video"===tagName||"audio"===tagName)&&setMediaOpts(elem,opts),elem},opts,cb)}function append(file,rootElem,opts,cb){function getElem(tagName){return"video"===tagName||"audio"===tagName?createMedia(tagName):createElem(tagName)}function createMedia(tagName){const elem=createElem(tagName);return setMediaOpts(elem,opts),rootElem.appendChild(elem),elem}function createElem(tagName){const elem=document.createElement(tagName);return rootElem.appendChild(elem),elem}function done(err,elem){err&&elem&&elem.remove(),cb(err,elem)}if("function"==typeof opts&&(cb=opts,opts={}),opts||(opts={}),cb||(cb=()=>{}),validateFile(file),parseOpts(opts),"string"==typeof rootElem&&(rootElem=document.querySelector(rootElem)),rootElem&&("VIDEO"===rootElem.nodeName||"AUDIO"===rootElem.nodeName))throw new Error("Invalid video/audio node argument. Argument must be root element that video/audio tag will be appended to.");renderMedia(file,getElem,opts,done)}function renderMedia(file,getElem,opts,cb){function renderMediaSource(){function useVideostream(){debug(`Use \`videostream\` package for ${file.name}`),prepareElem(),elem.addEventListener("error",fallbackToMediaSource),elem.addEventListener("loadstart",onLoadStart),elem.addEventListener("loadedmetadata",onLoadedMetadata),new VideoStream(file,elem)}function useMediaSource(){debug(`Use MediaSource API for ${file.name}`),prepareElem(),elem.addEventListener("error",fallbackToBlobURL),elem.addEventListener("loadstart",onLoadStart),elem.addEventListener("loadedmetadata",onLoadedMetadata);const wrapper=new MediaElementWrapper(elem),writable=wrapper.createWriteStream(getCodec(file.name));file.createReadStream().pipe(writable),currentTime&&(elem.currentTime=currentTime)}function useBlobURL(){debug(`Use Blob URL for ${file.name}`),prepareElem(),elem.addEventListener("error",fatalError),elem.addEventListener("loadstart",onLoadStart),elem.addEventListener("loadedmetadata",onLoadedMetadata),getBlobURL(file,(err,url)=>err?fatalError(err):void(elem.src=url,currentTime&&(elem.currentTime=currentTime)))}function fallbackToMediaSource(err){debug("videostream error: fallback to MediaSource API: %o",err.message||err),elem.removeEventListener("error",fallbackToMediaSource),elem.removeEventListener("loadedmetadata",onLoadedMetadata),useMediaSource()}function fallbackToBlobURL(err){debug("MediaSource API error: fallback to Blob URL: %o",err.message||err);checkBlobLength()&&(elem.removeEventListener("error",fallbackToBlobURL),elem.removeEventListener("loadedmetadata",onLoadedMetadata),useBlobURL())}function prepareElem(){elem||(elem=getElem(tagName),elem.addEventListener("progress",()=>{currentTime=elem.currentTime}))}const tagName=MEDIASOURCE_VIDEO_EXTS.includes(extname)?"video":"audio";MediaSource?VIDEOSTREAM_EXTS.includes(extname)?useVideostream():useMediaSource():useBlobURL()}function checkBlobLength(){return!("number"==typeof file.length&&file.length>opts.maxBlobLength)||(debug("File length too large for Blob URL approach: %d (max: %d)",file.length,opts.maxBlobLength),fatalError(new Error(`File length too large for Blob URL approach: ${file.length} (max: ${opts.maxBlobLength})`)),!1)}function renderMediaElement(type){checkBlobLength()&&(elem=getElem(type),getBlobURL(file,(err,url)=>err?fatalError(err):void(elem.addEventListener("error",fatalError),elem.addEventListener("loadstart",onLoadStart),elem.addEventListener("loadedmetadata",onLoadedMetadata),elem.src=url)))}function onLoadStart(){if(elem.removeEventListener("loadstart",onLoadStart),opts.autoplay){const playPromise=elem.play();"undefined"!=typeof playPromise&&playPromise.catch(fatalError)}}function onLoadedMetadata(){elem.removeEventListener("loadedmetadata",onLoadedMetadata),cb(null,elem)}function renderImage(){elem=getElem("img"),getBlobURL(file,(err,url)=>err?fatalError(err):void(elem.src=url,elem.alt=file.name,cb(null,elem)))}function renderIframe(){getBlobURL(file,(err,url)=>err?fatalError(err):void(".pdf"===extname?(elem=getElem("object"),elem.setAttribute("typemustmatch",!0),elem.setAttribute("type","application/pdf"),elem.setAttribute("data",url)):(elem=getElem("iframe"),elem.sandbox="allow-forms allow-scripts",elem.src=url),cb(null,elem)))}function tryRenderIframe(){function done(){isAscii(str)?(debug("File extension \"%s\" appears ascii, so will render.",extname),renderIframe()):(debug("File extension \"%s\" appears non-ascii, will not render.",extname),cb(new Error(`Unsupported file type "${extname}": Cannot append to DOM`)))}debug("Unknown file extension \"%s\" - will attempt to render into iframe",extname);let str="";file.createReadStream({start:0,end:1e3}).setEncoding("utf8").on("data",chunk=>{str+=chunk}).on("end",done).on("error",cb)}function fatalError(err){err.message=`Error rendering file "${file.name}": ${err.message}`,debug(err.message),cb(err)}const extname=path.extname(file.name).toLowerCase();let currentTime=0,elem;MEDIASOURCE_EXTS.includes(extname)?renderMediaSource():VIDEO_EXTS.includes(extname)?renderMediaElement("video"):AUDIO_EXTS.includes(extname)?renderMediaElement("audio"):IMAGE_EXTS.includes(extname)?renderImage():IFRAME_EXTS.includes(extname)?renderIframe():tryRenderIframe()}function getBlobURL(file,cb){const extname=path.extname(file.name).toLowerCase();streamToBlobURL(file.createReadStream(),exports.mime[extname]).then(blobUrl=>cb(null,blobUrl),err=>cb(err))}function validateFile(file){if(null==file)throw new Error("file cannot be null or undefined");if("string"!=typeof file.name)throw new Error("missing or invalid file.name property");if("function"!=typeof file.createReadStream)throw new Error("missing or invalid file.createReadStream property")}function getCodec(name){const extname=path.extname(name).toLowerCase();return{".m4a":"audio/mp4; codecs=\"mp4a.40.5\"",".m4b":"audio/mp4; codecs=\"mp4a.40.5\"",".m4p":"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\""}[extname]}function parseOpts(opts){null==opts.autoplay&&(opts.autoplay=!1),null==opts.muted&&(opts.muted=!1),null==opts.controls&&(opts.controls=!0),null==opts.maxBlobLength&&(opts.maxBlobLength=MAX_BLOB_LENGTH)}function setMediaOpts(elem,opts){elem.autoplay=!!opts.autoplay,elem.muted=!!opts.muted,elem.controls=!!opts.controls}exports.render=render,exports.append=append,exports.mime=require("./lib/mime.json");const debug=require("debug")("render-media"),isAscii=require("is-ascii"),MediaElementWrapper=require("mediasource"),path=require("path"),streamToBlobURL=require("stream-to-blob-url"),VideoStream=require("videostream"),VIDEOSTREAM_EXTS=[".m4a",".m4b",".m4p",".m4v",".mp4"],MEDIASOURCE_VIDEO_EXTS=[".m4v",".mkv",".mp4",".webm"],MEDIASOURCE_AUDIO_EXTS=[".m4a",".m4b",".m4p",".mp3"],MEDIASOURCE_EXTS=[].concat(MEDIASOURCE_VIDEO_EXTS,MEDIASOURCE_AUDIO_EXTS),VIDEO_EXTS=[".mov",".ogv"],AUDIO_EXTS=[".aac",".oga",".ogg",".wav",".flac"],IMAGE_EXTS=[".bmp",".gif",".jpeg",".jpg",".png",".svg"],IFRAME_EXTS=[".css",".html",".js",".md",".pdf",".srt",".txt"],MAX_BLOB_LENGTH=200000000,MediaSource="undefined"!=typeof window&&window.MediaSource},{"./lib/mime.json":284,debug:122,"is-ascii":193,mediasource:212,path:238,"stream-to-blob-url":316,videostream:340}],284:[function(require,module,exports){module.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/x-m4a",".m4b":"audio/mp4",".m4p":"audio/mp4",".m4v":"video/x-m4v",".manifest":"text/cache-manifest",".markdown":"text/x-markdown",".mathml":"application/mathml+xml",".md":"text/x-markdown",".mid":"audio/midi",".midi":"audio/midi",".mov":"video/quicktime",".mp3":"audio/mpeg",".mp4":"video/mp4",".mp4v":"video/mp4",".mpeg":"video/mpeg",".mpg":"video/mpeg",".odp":"application/vnd.oasis.opendocument.presentation",".ods":"application/vnd.oasis.opendocument.spreadsheet",".odt":"application/vnd.oasis.opendocument.text",".oga":"audio/ogg",".ogg":"application/ogg",".pdf":"application/pdf",".png":"image/png",".pps":"application/vnd.ms-powerpoint",".ppt":"application/vnd.ms-powerpoint",".ps":"application/postscript",".psd":"image/vnd.adobe.photoshop",".qt":"video/quicktime",".rar":"application/x-rar-compressed",".rdf":"application/rdf+xml",".rss":"application/rss+xml",".rtf":"application/rtf",".svg":"image/svg+xml",".svgz":"image/svg+xml",".swf":"application/x-shockwave-flash",".tar":"application/x-tar",".tbz":"application/x-bzip-compressed-tar",".text":"text/plain",".tif":"image/tiff",".tiff":"image/tiff",".torrent":"application/x-bittorrent",".ttf":"application/x-font-ttf",".txt":"text/plain",".wav":"audio/wav",".webm":"video/webm",".wma":"audio/x-ms-wma",".wmv":"video/x-ms-wmv",".xls":"application/vnd.ms-excel",".xml":"application/xml",".yaml":"text/yaml",".yml":"text/yaml",".zip":"application/zip"}},{}],285:[function(require,module,exports){"use 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MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */module.exports=runSeries}).call(this)}).call(this,require("_process"))},{_process:246}],289:[function(require,module,exports){(function webpackUniversalModuleDefinition(root,factory){"object"==typeof exports&&"object"==typeof module?module.exports=factory():"function"==typeof define&&define.amd?define([],factory):"object"==typeof exports?exports.Rusha=factory():root.Rusha=factory()})("undefined"==typeof self?this:self,function(){return function(modules){function __webpack_require__(moduleId){if(installedModules[moduleId])return installedModules[moduleId].exports;var module=installedModules[moduleId]={i:moduleId,l:!1,exports:{}};return modules[moduleId].call(module.exports,module,module.exports,__webpack_require__),module.l=!0,module.exports}var installedModules={};return 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RushaCore=__webpack_require__(5),_require=__webpack_require__(1),toHex=_require.toHex,ceilHeapSize=_require.ceilHeapSize,conv=__webpack_require__(6),padlen=function(len){for(len+=9;0<len%64;len+=1);return len},padZeroes=function(bin,len){var h8=new Uint8Array(bin.buffer),om=len%4,align=len-om;switch(om){case 0:h8[align+3]=0;case 1:h8[align+2]=0;case 2:h8[align+1]=0;case 3:h8[align+0]=0;}for(var i=(len>>2)+1;i<bin.length;i++)bin[i]=0},padData=function(bin,chunkLen,msgLen){bin[chunkLen>>2]|=128<<24-(chunkLen%4<<3),bin[(-16&(chunkLen>>2)+2)+14]=0|msgLen/536870912,bin[(-16&(chunkLen>>2)+2)+15]=msgLen<<3},getRawDigest=function(heap,padMaxChunkLen){var io=new Int32Array(heap,padMaxChunkLen+320,5),out=new Int32Array(5),arr=new DataView(out.buffer);return arr.setInt32(0,io[0],!1),arr.setInt32(4,io[1],!1),arr.setInt32(8,io[2],!1),arr.setInt32(12,io[3],!1),arr.setInt32(16,io[4],!1),out},Rusha=function(){function 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Int32Array(this._heap,this._padMaxChunkLen+320,5);heap=io.buffer.slice(io.byteOffset,io.byteOffset+io.byteLength)}else heap=this._heap.slice(0);return{offset:this._offset,heap:heap}},Rusha.prototype.setState=function setState(state){if(this._offset=state.offset,20===state.heap.byteLength){var io=new Int32Array(this._heap,this._padMaxChunkLen+320,5);io.set(new Int32Array(state.heap))}else this._h32.set(new Int32Array(state.heap));return this},Rusha.prototype.rawEnd=function rawEnd(){var msgLen=this._offset,chunkLen=msgLen%this._maxChunkLen,padChunkLen=this._padChunk(chunkLen,msgLen);this._core.hash(padChunkLen,this._padMaxChunkLen);var result=getRawDigest(this._heap,this._padMaxChunkLen);return this._initState(this._heap,this._padMaxChunkLen),result},Rusha.prototype.end=function end(){return toHex(this.rawEnd().buffer)},Rusha}();module.exports=Rusha,module.exports._core=RushaCore},function(module,exports){for(var precomputedHex=Array(256),i=0;256>i;i++)precomputedHex[i]=(16>i?"0":"")+i.toString(16);module.exports.toHex=function(arrayBuffer){for(var binarray=new Uint8Array(arrayBuffer),res=Array(arrayBuffer.byteLength),_i=0;_i<res.length;_i++)res[_i]=precomputedHex[binarray[_i]];return res.join("")},module.exports.ceilHeapSize=function(v){var p=0;if(65536>=v)return 65536;if(16777216>v)for(p=1;p<v;p<<=1);else for(p=16777216;p<v;p+=16777216);return p},module.exports.isDedicatedWorkerScope=function(self){var isRunningInWorker="WorkerGlobalScope"in self&&self instanceof self.WorkerGlobalScope,isRunningInSharedWorker="SharedWorkerGlobalScope"in self&&self instanceof self.SharedWorkerGlobalScope,isRunningInServiceWorker="ServiceWorkerGlobalScope"in self&&self instanceof self.ServiceWorkerGlobalScope;return isRunningInWorker&&!isRunningInSharedWorker&&!isRunningInServiceWorker}},function(module,exports,__webpack_require__){module.exports=function(){var Rusha=__webpack_require__(0),hashData=function(hasher,data,cb){try{return cb(null,hasher.digest(data))}catch(e){return cb(e)}},hashFile=function(hasher,readTotal,blockSize,file,cb){var reader=new self.FileReader;reader.onloadend=function onloadend(){if(reader.error)return cb(reader.error);var buffer=reader.result;readTotal+=reader.result.byteLength;try{hasher.append(buffer)}catch(e){return void cb(e)}readTotal<file.size?hashFile(hasher,readTotal,blockSize,file,cb):cb(null,hasher.end())},reader.readAsArrayBuffer(file.slice(readTotal,readTotal+blockSize))},workerBehaviourEnabled=!0;return self.onmessage=function(event){if(workerBehaviourEnabled){var data=event.data.data,file=event.data.file,id=event.data.id;if("undefined"!=typeof id&&(file||data)){var blockSize=event.data.blockSize||4194304,hasher=new Rusha(blockSize);hasher.resetState();var done=function(err,hash){err?self.postMessage({id:id,error:err.name}):self.postMessage({id:id,hash:hash})};data&&hashData(hasher,data,done),file&&hashFile(hasher,0,blockSize,file,done)}}},function(){workerBehaviourEnabled=!1}}},function(module,exports,__webpack_require__){var work=__webpack_require__(4),Rusha=__webpack_require__(0),createHash=__webpack_require__(7),runWorker=__webpack_require__(2),_require=__webpack_require__(1),isDedicatedWorkerScope=_require.isDedicatedWorkerScope,isRunningInDedicatedWorker="undefined"!=typeof self&&isDedicatedWorkerScope(self);Rusha.disableWorkerBehaviour=isRunningInDedicatedWorker?runWorker():function(){},Rusha.createWorker=function(){var worker=work(2),terminate=worker.terminate;return worker.terminate=function(){URL.revokeObjectURL(worker.objectURL),terminate.call(worker)},worker},Rusha.createHash=createHash,module.exports=Rusha},function(module,exports,__webpack_require__){function webpackBootstrapFunc(modules){function 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Object.prototype.hasOwnProperty.call(object,property)},__webpack_require__.p="/",__webpack_require__.oe=function(err){throw console.error(err),err};var f=__webpack_require__(__webpack_require__.s=ENTRY_MODULE);return f.default||f}function quoteRegExp(str){return(str+"").replace(/[.?*+^$[\]\\(){}|-]/g,"\\$&")}function getModuleDependencies(sources,module,queueName){var retval={};retval[queueName]=[];var fnString=module.toString(),wrapperSignature=fnString.match(/^function\s?\(\w+,\s*\w+,\s*(\w+)\)/);if(!wrapperSignature)return retval;for(var webpackRequireName=wrapperSignature[1],re=new RegExp("(\\\\n|\\W)"+quoteRegExp(webpackRequireName)+"\\((/\\*.*?\\*/)?s?.*?([\\.|\\-|\\+|\\w|/|@]+).*?\\)","g"),match;match=re.exec(fnString);)"dll-reference"!==match[3]&&retval[queueName].push(match[3]);for(re=new RegExp("\\("+quoteRegExp(webpackRequireName)+"\\(\"(dll-reference\\s([\\.|\\-|\\+|\\w|/|@]+))\"\\)\\)\\((/\\*.*?\\*/)?s?.*?([\\.|\\-|\\+|\\w|/|@]+).*?\\)","g");match=re.exec(fnString);)sources[match[2]]||(retval[queueName].push(match[1]),sources[match[2]]=__webpack_require__(match[1]).m),retval[match[2]]=retval[match[2]]||[],retval[match[2]].push(match[4]);return retval}function hasValuesInQueues(queues){var keys=Object.keys(queues);return keys.reduce(function(hasValues,key){return hasValues||0<queues[key].length},!1)}function getRequiredModules(sources,moduleId){for(var modulesQueue={main:[moduleId]},requiredModules={main:[]},seenModules={main:{}};hasValuesInQueues(modulesQueue);)for(var queues=Object.keys(modulesQueue),i=0;i<queues.length;i++){var queueName=queues[i],queue=modulesQueue[queueName],moduleToCheck=queue.pop();if(seenModules[queueName]=seenModules[queueName]||{},!seenModules[queueName][moduleToCheck]&&sources[queueName][moduleToCheck]){seenModules[queueName][moduleToCheck]=!0,requiredModules[queueName]=requiredModules[queueName]||[],requiredModules[queueName].push(moduleToCheck);for(var newModules=getModuleDependencies(sources,sources[queueName][moduleToCheck],queueName),newModulesKeys=Object.keys(newModules),j=0;j<newModulesKeys.length;j++)modulesQueue[newModulesKeys[j]]=modulesQueue[newModulesKeys[j]]||[],modulesQueue[newModulesKeys[j]]=modulesQueue[newModulesKeys[j]].concat(newModules[newModulesKeys[j]])}}return requiredModules}var moduleNameReqExp="[\\.|\\-|\\+|\\w|/|@]+",dependencyRegExp="\\((/\\*.*?\\*/)?s?.*?([\\.|\\-|\\+|\\w|/|@]+).*?\\)";module.exports=function(moduleId,options){options=options||{};var sources={main:__webpack_require__.m},requiredModules=options.all?{main:Object.keys(sources)}:getRequiredModules(sources,moduleId),src="";Object.keys(requiredModules).filter(function(m){return"main"!==m}).forEach(function(module){for(var entryModule=0;requiredModules[module][entryModule];)entryModule++;requiredModules[module].push(entryModule),sources[module][entryModule]="(function(module, exports, __webpack_require__) { module.exports = __webpack_require__; })",src=src+"var "+module+" = ("+webpackBootstrapFunc.toString().replace("ENTRY_MODULE",JSON.stringify(entryModule))+")({"+requiredModules[module].map(function(id){return""+JSON.stringify(id)+": "+sources[module][id].toString()}).join(",")+"});\n"}),src=src+"("+webpackBootstrapFunc.toString().replace("ENTRY_MODULE",JSON.stringify(moduleId))+")({"+requiredModules.main.map(function(id){return""+JSON.stringify(id)+": "+sources.main[id].toString()}).join(",")+"})(self);";var blob=new window.Blob([src],{type:"text/javascript"});if(options.bare)return blob;var URL=window.URL||window.webkitURL||window.mozURL||window.msURL,workerUrl=URL.createObjectURL(blob),worker=new window.Worker(workerUrl);return worker.objectURL=workerUrl,worker}},function(module,exports){module.exports=function RushaCore(stdlib$840,foreign$841,heap$842){"use asm";function hash$844(k$845,x$846){k$845|=0,x$846|=0;var i$847=0,j$848=0,y0$849=0,z0$850=0,y1$851=0,z1$852=0,y2$853=0,z2$854=0,y3$855=0,z3$856=0,y4$857=0,z4$858=0,t0$859=0,t1$860=0;for(y0$849=0|H$843[x$846+320>>2],y1$851=0|H$843[x$846+324>>2],y2$853=0|H$843[x$846+328>>2],y3$855=0|H$843[x$846+332>>2],y4$857=0|H$843[x$846+336>>2],i$847=0;(0|i$847)<(0|k$845);i$847=0|i$847+64){for(z0$850=y0$849,z1$852=y1$851,z2$854=y2$853,z3$856=y3$855,z4$858=y4$857,j$848=0;64>(0|j$848);j$848=0|j$848+4)t1$860=0|H$843[i$847+j$848>>2],t0$859=0|(0|(y0$849<<5|y0$849>>>27)+(y1$851&y2$853|~y1$851&y3$855))+(0|(0|t1$860+y4$857)+1518500249),y4$857=y3$855,y3$855=y2$853,y2$853=y1$851<<30|y1$851>>>2,y1$851=y0$849,y0$849=t0$859,H$843[k$845+j$848>>2]=t1$860;for(j$848=0|k$845+64;(0|j$848)<(0|k$845+80);j$848=0|j$848+4)t1$860=(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])<<1|(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])>>>31,t0$859=0|(0|(y0$849<<5|y0$849>>>27)+(y1$851&y2$853|~y1$851&y3$855))+(0|(0|t1$860+y4$857)+1518500249),y4$857=y3$855,y3$855=y2$853,y2$853=y1$851<<30|y1$851>>>2,y1$851=y0$849,y0$849=t0$859,H$843[j$848>>2]=t1$860;for(j$848=0|k$845+80;(0|j$848)<(0|k$845+160);j$848=0|j$848+4)t1$860=(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])<<1|(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])>>>31,t0$859=0|(0|(y0$849<<5|y0$849>>>27)+(y1$851^y2$853^y3$855))+(0|(0|t1$860+y4$857)+1859775393),y4$857=y3$855,y3$855=y2$853,y2$853=y1$851<<30|y1$851>>>2,y1$851=y0$849,y0$849=t0$859,H$843[j$848>>2]=t1$860;for(j$848=0|k$845+160;(0|j$848)<(0|k$845+240);j$848=0|j$848+4)t1$860=(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])<<1|(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])>>>31,t0$859=0|(0|(y0$849<<5|y0$849>>>27)+(y1$851&y2$853|y1$851&y3$855|y2$853&y3$855))+(0|(0|t1$860+y4$857)-1894007588),y4$857=y3$855,y3$855=y2$853,y2$853=y1$851<<30|y1$851>>>2,y1$851=y0$849,y0$849=t0$859,H$843[j$848>>2]=t1$860;for(j$848=0|k$845+240;(0|j$848)<(0|k$845+320);j$848=0|j$848+4)t1$860=(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])<<1|(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])>>>31,t0$859=0|(0|(y0$849<<5|y0$849>>>27)+(y1$851^y2$853^y3$855))+(0|(0|t1$860+y4$857)-899497514),y4$857=y3$855,y3$855=y2$853,y2$853=y1$851<<30|y1$851>>>2,y1$851=y0$849,y0$849=t0$859,H$843[j$848>>2]=t1$860;y0$849=0|y0$849+z0$850,y1$851=0|y1$851+z1$852,y2$853=0|y2$853+z2$854,y3$855=0|y3$855+z3$856,y4$857=0|y4$857+z4$858}H$843[x$846+320>>2]=y0$849,H$843[x$846+324>>2]=y1$851,H$843[x$846+328>>2]=y2$853,H$843[x$846+332>>2]=y3$855,H$843[x$846+336>>2]=y4$857}var H$843=new stdlib$840.Int32Array(heap$842);return{hash:hash$844}}},function(module,exports){var _this=this,reader=void 0;"undefined"!=typeof self&&"undefined"!=typeof self.FileReaderSync&&(reader=new self.FileReaderSync);var convStr=function(str,H8,H32,start,len,off){var om=off%4,lm=(len+om)%4,j=len-lm,i;switch(om){case 0:H8[off]=str.charCodeAt(start+3);case 1:H8[0|off+1-(om<<1)]=str.charCodeAt(start+2);case 2:H8[0|off+2-(om<<1)]=str.charCodeAt(start+1);case 3:H8[0|off+3-(om<<1)]=str.charCodeAt(start);}if(!(len<lm+(4-om))){for(i=4-om;i<j;i=0|i+4)H32[off+i>>2]=str.charCodeAt(start+i)<<24|str.charCodeAt(start+i+1)<<16|str.charCodeAt(start+i+2)<<8|str.charCodeAt(start+i+3);switch(lm){case 3:H8[0|off+j+1]=str.charCodeAt(start+j+2);case 2:H8[0|off+j+2]=str.charCodeAt(start+j+1);case 1:H8[0|off+j+3]=str.charCodeAt(start+j);}}},convBuf=function(buf,H8,H32,start,len,off){var om=off%4,lm=(len+om)%4,j=len-lm,i;switch(om){case 0:H8[off]=buf[start+3];case 1:H8[0|off+1-(om<<1)]=buf[start+2];case 2:H8[0|off+2-(om<<1)]=buf[start+1];case 3:H8[0|off+3-(om<<1)]=buf[start];}if(!(len<lm+(4-om))){for(i=4-om;i<j;i=0|i+4)H32[0|off+i>>2]=buf[start+i]<<24|buf[start+i+1]<<16|buf[start+i+2]<<8|buf[start+i+3];switch(lm){case 3:H8[0|off+j+1]=buf[start+j+2];case 2:H8[0|off+j+2]=buf[start+j+1];case 1:H8[0|off+j+3]=buf[start+j];}}},convBlob=function(blob,H8,H32,start,len,off){var i=void 0,om=off%4,lm=(len+om)%4,j=len-lm,buf=new Uint8Array(reader.readAsArrayBuffer(blob.slice(start,start+len)));switch(om){case 0:H8[off]=buf[3];case 1:H8[0|off+1-(om<<1)]=buf[2];case 2:H8[0|off+2-(om<<1)]=buf[1];case 3:H8[0|off+3-(om<<1)]=buf[0];}if(!(len<lm+(4-om))){for(i=4-om;i<j;i=0|i+4)H32[0|off+i>>2]=buf[i]<<24|buf[i+1]<<16|buf[i+2]<<8|buf[i+3];switch(lm){case 3:H8[0|off+j+1]=buf[j+2];case 2:H8[0|off+j+2]=buf[j+1];case 1:H8[0|off+j+3]=buf[j];}}};module.exports=function(data,H8,H32,start,len,off){if("string"==typeof data)return convStr(data,H8,H32,start,len,off);if(data instanceof Array)return convBuf(data,H8,H32,start,len,off);if(_this&&_this.Buffer&&_this.Buffer.isBuffer(data))return convBuf(data,H8,H32,start,len,off);if(data instanceof ArrayBuffer)return convBuf(new Uint8Array(data),H8,H32,start,len,off);if(data.buffer instanceof ArrayBuffer)return convBuf(new Uint8Array(data.buffer,data.byteOffset,data.byteLength),H8,H32,start,len,off);if(data instanceof Blob)return convBlob(data,H8,H32,start,len,off);throw new Error("Unsupported data type.")}},function(module,exports,__webpack_require__){function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}var _createClass=function(){function defineProperties(target,props){for(var i=0,descriptor;i<props.length;i++)descriptor=props[i],descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}return function(Constructor,protoProps,staticProps){return protoProps&&defineProperties(Constructor.prototype,protoProps),staticProps&&defineProperties(Constructor,staticProps),Constructor}}(),Rusha=__webpack_require__(0),_require=__webpack_require__(1),toHex=_require.toHex,Hash=function(){function Hash(){_classCallCheck(this,Hash),this._rusha=new Rusha,this._rusha.resetState()}return Hash.prototype.update=function update(data){return this._rusha.append(data),this},Hash.prototype.digest=function digest(encoding){var digest=this._rusha.rawEnd().buffer;if(!encoding)return digest;if("hex"===encoding)return toHex(digest);throw new Error("unsupported digest encoding")},_createClass(Hash,[{key:"state",get:function(){return this._rusha.getState()},set:function(state){this._rusha.setState(state)}}]),Hash}();module.exports=function(){return new Hash}}])})},{}],290:[function(require,module,exports){function copyProps(src,dst){for(var key in src)dst[key]=src[key]}function SafeBuffer(arg,encodingOrOffset,length){return Buffer(arg,encodingOrOffset,length)}/*! safe-buffer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */var buffer=require("buffer"),Buffer=buffer.Buffer;Buffer.from&&Buffer.alloc&&Buffer.allocUnsafe&&Buffer.allocUnsafeSlow?module.exports=buffer:(copyProps(buffer,exports),exports.Buffer=SafeBuffer),SafeBuffer.prototype=Object.create(Buffer.prototype),copyProps(Buffer,SafeBuffer),SafeBuffer.from=function(arg,encodingOrOffset,length){if("number"==typeof arg)throw new TypeError("Argument must not be a number");return Buffer(arg,encodingOrOffset,length)},SafeBuffer.alloc=function(size,fill,encoding){if("number"!=typeof size)throw new TypeError("Argument must be a number");var buf=Buffer(size);return void 0===fill?buf.fill(0):"string"==typeof encoding?buf.fill(fill,encoding):buf.fill(fill),buf},SafeBuffer.allocUnsafe=function(size){if("number"!=typeof size)throw new TypeError("Argument must be a number");return Buffer(size)},SafeBuffer.allocUnsafeSlow=function(size){if("number"!=typeof size)throw new TypeError("Argument must be a number");return buffer.SlowBuffer(size)}},{buffer:101}],291:[function(require,module,exports){(function(process){(function(){"use strict";var buffer=require("buffer"),Buffer=buffer.Buffer,safer={},key;for(key in buffer)buffer.hasOwnProperty(key)&&"SlowBuffer"!==key&&"Buffer"!==key&&(safer[key]=buffer[key]);var Safer=safer.Buffer={};for(key in Buffer)Buffer.hasOwnProperty(key)&&"allocUnsafe"!==key&&"allocUnsafeSlow"!==key&&(Safer[key]=Buffer[key]);if(safer.Buffer.prototype=Buffer.prototype,Safer.from&&Safer.from!==Uint8Array.from||(Safer.from=function(value,encodingOrOffset,length){if("number"==typeof value)throw new TypeError("The \"value\" argument must not be of type number. Received type "+typeof value);if(value&&"undefined"==typeof value.length)throw new TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type "+typeof value);return Buffer(value,encodingOrOffset,length)}),Safer.alloc||(Safer.alloc=function(size,fill,encoding){if("number"!=typeof size)throw new TypeError("The \"size\" argument must be of type number. Received type "+typeof size);if(0>size||2147483648<=size)throw new RangeError("The value \""+size+"\" is invalid for option \"size\"");var buf=Buffer(size);return fill&&0!==fill.length?"string"==typeof encoding?buf.fill(fill,encoding):buf.fill(fill):buf.fill(0),buf}),!safer.kStringMaxLength)try{safer.kStringMaxLength=process.binding("buffer").kStringMaxLength}catch(e){}safer.constants||(safer.constants={MAX_LENGTH:safer.kMaxLength},safer.kStringMaxLength&&(safer.constants.MAX_STRING_LENGTH=safer.kStringMaxLength)),module.exports=safer}).call(this)}).call(this,require("_process"))},{_process:246,buffer:101}],292:[function(require,module,exports){function Hash(blockSize,finalSize){this._block=Buffer.alloc(blockSize),this._finalSize=finalSize,this._blockSize=blockSize,this._len=0}var Buffer=require("safe-buffer").Buffer;Hash.prototype.update=function(data,enc){"string"==typeof data&&(enc=enc||"utf8",data=Buffer.from(data,enc));for(var block=this._block,blockSize=this._blockSize,length=data.length,accum=this._len,offset=0;offset<length;){for(var assigned=accum%blockSize,remainder=_Mathmin(length-offset,blockSize-assigned),i=0;i<remainder;i++)block[assigned+i]=data[offset+i];accum+=remainder,offset+=remainder,0==accum%blockSize&&this._update(block)}return this._len+=length,this},Hash.prototype.digest=function(enc){var rem=this._len%this._blockSize;this._block[rem]=128,this._block.fill(0,rem+1),rem>=this._finalSize&&(this._update(this._block),this._block.fill(0));var bits=8*this._len;if(4294967295>=bits)this._block.writeUInt32BE(bits,this._blockSize-4);else{var lowBits=(4294967295&bits)>>>0,highBits=(bits-lowBits)/4294967296;this._block.writeUInt32BE(highBits,this._blockSize-8),this._block.writeUInt32BE(lowBits,this._blockSize-4)}this._update(this._block);var hash=this._hash();return enc?hash.toString(enc):hash},Hash.prototype._update=function(){throw new Error("_update must be implemented by subclass")},module.exports=Hash},{"safe-buffer":290}],293:[function(require,module,exports){var exports=module.exports=function SHA(algorithm){algorithm=algorithm.toLowerCase();var Algorithm=exports[algorithm];if(!Algorithm)throw new Error(algorithm+" is not supported (we accept pull requests)");return new Algorithm};exports.sha=require("./sha"),exports.sha1=require("./sha1"),exports.sha224=require("./sha224"),exports.sha256=require("./sha256"),exports.sha384=require("./sha384"),exports.sha512=require("./sha512")},{"./sha":294,"./sha1":295,"./sha224":296,"./sha256":297,"./sha384":298,"./sha512":299}],294:[function(require,module,exports){function Sha(){this.init(),this._w=W,Hash.call(this,64,56)}function rotl5(num){return num<<5|num>>>27}function rotl30(num){return num<<30|num>>>2}function ft(s,b,c,d){return 0===s?b&c|~b&d:2===s?b&c|b&d|c&d:b^c^d}var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1518500249,1859775393,-1894007588,-899497514],W=Array(80);inherits(Sha,Hash),Sha.prototype.init=function(){return this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878,this._e=3285377520,this},Sha.prototype._update=function(M){for(var W=this._w,a=0|this._a,b=0|this._b,c=0|this._c,d=0|this._d,e=0|this._e,i=0;16>i;++i)W[i]=M.readInt32BE(4*i);for(;80>i;++i)W[i]=W[i-3]^W[i-8]^W[i-14]^W[i-16];for(var j=0;80>j;++j){var s=~~(j/20),t=0|rotl5(a)+ft(s,b,c,d)+e+W[j]+K[s];e=d,d=c,c=rotl30(b),b=a,a=t}this._a=0|a+this._a,this._b=0|b+this._b,this._c=0|c+this._c,this._d=0|d+this._d,this._e=0|e+this._e},Sha.prototype._hash=function(){var H=Buffer.allocUnsafe(20);return H.writeInt32BE(0|this._a,0),H.writeInt32BE(0|this._b,4),H.writeInt32BE(0|this._c,8),H.writeInt32BE(0|this._d,12),H.writeInt32BE(0|this._e,16),H},module.exports=Sha},{"./hash":292,inherits:190,"safe-buffer":290}],295:[function(require,module,exports){function Sha1(){this.init(),this._w=W,Hash.call(this,64,56)}function rotl1(num){return num<<1|num>>>31}function rotl5(num){return num<<5|num>>>27}function rotl30(num){return num<<30|num>>>2}function ft(s,b,c,d){return 0===s?b&c|~b&d:2===s?b&c|b&d|c&d:b^c^d}var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1518500249,1859775393,-1894007588,-899497514],W=Array(80);inherits(Sha1,Hash),Sha1.prototype.init=function(){return this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878,this._e=3285377520,this},Sha1.prototype._update=function(M){for(var W=this._w,a=0|this._a,b=0|this._b,c=0|this._c,d=0|this._d,e=0|this._e,i=0;16>i;++i)W[i]=M.readInt32BE(4*i);for(;80>i;++i)W[i]=rotl1(W[i-3]^W[i-8]^W[i-14]^W[i-16]);for(var j=0;80>j;++j){var s=~~(j/20),t=0|rotl5(a)+ft(s,b,c,d)+e+W[j]+K[s];e=d,d=c,c=rotl30(b),b=a,a=t}this._a=0|a+this._a,this._b=0|b+this._b,this._c=0|c+this._c,this._d=0|d+this._d,this._e=0|e+this._e},Sha1.prototype._hash=function(){var H=Buffer.allocUnsafe(20);return H.writeInt32BE(0|this._a,0),H.writeInt32BE(0|this._b,4),H.writeInt32BE(0|this._c,8),H.writeInt32BE(0|this._d,12),H.writeInt32BE(0|this._e,16),H},module.exports=Sha1},{"./hash":292,inherits:190,"safe-buffer":290}],296:[function(require,module,exports){function Sha224(){this.init(),this._w=W,Hash.call(this,64,56)}var inherits=require("inherits"),Sha256=require("./sha256"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,W=Array(64);inherits(Sha224,Sha256),Sha224.prototype.init=function(){return this._a=3238371032,this._b=914150663,this._c=812702999,this._d=4144912697,this._e=4290775857,this._f=1750603025,this._g=1694076839,this._h=3204075428,this},Sha224.prototype._hash=function(){var H=Buffer.allocUnsafe(28);return H.writeInt32BE(this._a,0),H.writeInt32BE(this._b,4),H.writeInt32BE(this._c,8),H.writeInt32BE(this._d,12),H.writeInt32BE(this._e,16),H.writeInt32BE(this._f,20),H.writeInt32BE(this._g,24),H},module.exports=Sha224},{"./hash":292,"./sha256":297,inherits:190,"safe-buffer":290}],297:[function(require,module,exports){function Sha256(){this.init(),this._w=W,Hash.call(this,64,56)}function ch(x,y,z){return z^x&(y^z)}function maj(x,y,z){return x&y|z&(x|y)}function sigma0(x){return(x>>>2|x<<30)^(x>>>13|x<<19)^(x>>>22|x<<10)}function sigma1(x){return(x>>>6|x<<26)^(x>>>11|x<<21)^(x>>>25|x<<7)}function gamma0(x){return(x>>>7|x<<25)^(x>>>18|x<<14)^x>>>3}function gamma1(x){return(x>>>17|x<<15)^(x>>>19|x<<13)^x>>>10}var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298],W=Array(64);inherits(Sha256,Hash),Sha256.prototype.init=function(){return this._a=1779033703,this._b=3144134277,this._c=1013904242,this._d=2773480762,this._e=1359893119,this._f=2600822924,this._g=528734635,this._h=1541459225,this},Sha256.prototype._update=function(M){for(var W=this._w,a=0|this._a,b=0|this._b,c=0|this._c,d=0|this._d,e=0|this._e,f=0|this._f,g=0|this._g,h=0|this._h,i=0;16>i;++i)W[i]=M.readInt32BE(4*i);for(;64>i;++i)W[i]=0|gamma1(W[i-2])+W[i-7]+gamma0(W[i-15])+W[i-16];for(var j=0;64>j;++j){var T1=0|h+sigma1(e)+ch(e,f,g)+K[j]+W[j],T2=0|sigma0(a)+maj(a,b,c);h=g,g=f,f=e,e=0|d+T1,d=c,c=b,b=a,a=0|T1+T2}this._a=0|a+this._a,this._b=0|b+this._b,this._c=0|c+this._c,this._d=0|d+this._d,this._e=0|e+this._e,this._f=0|f+this._f,this._g=0|g+this._g,this._h=0|h+this._h},Sha256.prototype._hash=function(){var H=Buffer.allocUnsafe(32);return H.writeInt32BE(this._a,0),H.writeInt32BE(this._b,4),H.writeInt32BE(this._c,8),H.writeInt32BE(this._d,12),H.writeInt32BE(this._e,16),H.writeInt32BE(this._f,20),H.writeInt32BE(this._g,24),H.writeInt32BE(this._h,28),H},module.exports=Sha256},{"./hash":292,inherits:190,"safe-buffer":290}],298:[function(require,module,exports){function Sha384(){this.init(),this._w=W,Hash.call(this,128,112)}var inherits=require("inherits"),SHA512=require("./sha512"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,W=Array(160);inherits(Sha384,SHA512),Sha384.prototype.init=function(){return this._ah=3418070365,this._bh=1654270250,this._ch=2438529370,this._dh=355462360,this._eh=1731405415,this._fh=2394180231,this._gh=3675008525,this._hh=1203062813,this._al=3238371032,this._bl=914150663,this._cl=812702999,this._dl=4144912697,this._el=4290775857,this._fl=1750603025,this._gl=1694076839,this._hl=3204075428,this},Sha384.prototype._hash=function(){function writeInt64BE(h,l,offset){H.writeInt32BE(h,offset),H.writeInt32BE(l,offset+4)}var H=Buffer.allocUnsafe(48);return writeInt64BE(this._ah,this._al,0),writeInt64BE(this._bh,this._bl,8),writeInt64BE(this._ch,this._cl,16),writeInt64BE(this._dh,this._dl,24),writeInt64BE(this._eh,this._el,32),writeInt64BE(this._fh,this._fl,40),H},module.exports=Sha384},{"./hash":292,"./sha512":299,inherits:190,"safe-buffer":290}],299:[function(require,module,exports){function Sha512(){this.init(),this._w=W,Hash.call(this,128,112)}function Ch(x,y,z){return z^x&(y^z)}function maj(x,y,z){return x&y|z&(x|y)}function sigma0(x,xl){return(x>>>28|xl<<4)^(xl>>>2|x<<30)^(xl>>>7|x<<25)}function sigma1(x,xl){return(x>>>14|xl<<18)^(x>>>18|xl<<14)^(xl>>>9|x<<23)}function Gamma0(x,xl){return(x>>>1|xl<<31)^(x>>>8|xl<<24)^x>>>7}function Gamma0l(x,xl){return(x>>>1|xl<<31)^(x>>>8|xl<<24)^(x>>>7|xl<<25)}function Gamma1(x,xl){return(x>>>19|xl<<13)^(xl>>>29|x<<3)^x>>>6}function Gamma1l(x,xl){return(x>>>19|xl<<13)^(xl>>>29|x<<3)^(x>>>6|xl<<26)}function getCarry(a,b){return a>>>0<b>>>0?1:0}var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1116352408,3609767458,1899447441,602891725,3049323471,3964484399,3921009573,2173295548,961987163,4081628472,1508970993,3053834265,2453635748,2937671579,2870763221,3664609560,3624381080,2734883394,310598401,1164996542,607225278,1323610764,1426881987,3590304994,1925078388,4068182383,2162078206,991336113,2614888103,633803317,3248222580,3479774868,3835390401,2666613458,4022224774,944711139,264347078,2341262773,604807628,2007800933,770255983,1495990901,1249150122,1856431235,1555081692,3175218132,1996064986,2198950837,2554220882,3999719339,2821834349,766784016,2952996808,2566594879,3210313671,3203337956,3336571891,1034457026,3584528711,2466948901,113926993,3758326383,338241895,168717936,666307205,1188179964,773529912,1546045734,1294757372,1522805485,1396182291,2643833823,1695183700,2343527390,1986661051,1014477480,2177026350,1206759142,2456956037,344077627,2730485921,1290863460,2820302411,3158454273,3259730800,3505952657,3345764771,106217008,3516065817,3606008344,3600352804,1432725776,4094571909,1467031594,275423344,851169720,430227734,3100823752,506948616,1363258195,659060556,3750685593,883997877,3785050280,958139571,3318307427,1322822218,3812723403,1537002063,2003034995,1747873779,3602036899,1955562222,1575990012,2024104815,1125592928,2227730452,2716904306,2361852424,442776044,2428436474,593698344,2756734187,3733110249,3204031479,2999351573,3329325298,3815920427,3391569614,3928383900,3515267271,566280711,3940187606,3454069534,4118630271,4000239992,116418474,1914138554,174292421,2731055270,289380356,3203993006,460393269,320620315,685471733,587496836,852142971,1086792851,1017036298,365543100,1126000580,2618297676,1288033470,3409855158,1501505948,4234509866,1607167915,987167468,1816402316,1246189591],W=Array(160);inherits(Sha512,Hash),Sha512.prototype.init=function(){return this._ah=1779033703,this._bh=3144134277,this._ch=1013904242,this._dh=2773480762,this._eh=1359893119,this._fh=2600822924,this._gh=528734635,this._hh=1541459225,this._al=4089235720,this._bl=2227873595,this._cl=4271175723,this._dl=1595750129,this._el=2917565137,this._fl=725511199,this._gl=4215389547,this._hl=327033209,this},Sha512.prototype._update=function(M){for(var W=this._w,ah=0|this._ah,bh=0|this._bh,ch=0|this._ch,dh=0|this._dh,eh=0|this._eh,fh=0|this._fh,gh=0|this._gh,hh=0|this._hh,al=0|this._al,bl=0|this._bl,cl=0|this._cl,dl=0|this._dl,el=0|this._el,fl=0|this._fl,gl=0|this._gl,hl=0|this._hl,i=0;32>i;i+=2)W[i]=M.readInt32BE(4*i),W[i+1]=M.readInt32BE(4*i+4);for(;160>i;i+=2){var xh=W[i-30],xl=W[i-30+1],gamma0=Gamma0(xh,xl),gamma0l=Gamma0l(xl,xh);xh=W[i-4],xl=W[i-4+1];var gamma1=Gamma1(xh,xl),gamma1l=Gamma1l(xl,xh),Wi7h=W[i-14],Wi7l=W[i-14+1],Wi16h=W[i-32],Wi16l=W[i-32+1],Wil=0|gamma0l+Wi7l,Wih=0|gamma0+Wi7h+getCarry(Wil,gamma0l);Wil=0|Wil+gamma1l,Wih=0|Wih+gamma1+getCarry(Wil,gamma1l),Wil=0|Wil+Wi16l,Wih=0|Wih+Wi16h+getCarry(Wil,Wi16l),W[i]=Wih,W[i+1]=Wil}for(var j=0;160>j;j+=2){Wih=W[j],Wil=W[j+1];var majh=maj(ah,bh,ch),majl=maj(al,bl,cl),sigma0h=sigma0(ah,al),sigma0l=sigma0(al,ah),sigma1h=sigma1(eh,el),sigma1l=sigma1(el,eh),Kih=K[j],Kil=K[j+1],chh=Ch(eh,fh,gh),chl=Ch(el,fl,gl),t1l=0|hl+sigma1l,t1h=0|hh+sigma1h+getCarry(t1l,hl);t1l=0|t1l+chl,t1h=0|t1h+chh+getCarry(t1l,chl),t1l=0|t1l+Kil,t1h=0|t1h+Kih+getCarry(t1l,Kil),t1l=0|t1l+Wil,t1h=0|t1h+Wih+getCarry(t1l,Wil);var t2l=0|sigma0l+majl,t2h=0|sigma0h+majh+getCarry(t2l,sigma0l);hh=gh,hl=gl,gh=fh,gl=fl,fh=eh,fl=el,el=0|dl+t1l,eh=0|dh+t1h+getCarry(el,dl),dh=ch,dl=cl,ch=bh,cl=bl,bh=ah,bl=al,al=0|t1l+t2l,ah=0|t1h+t2h+getCarry(al,t1l)}this._al=0|this._al+al,this._bl=0|this._bl+bl,this._cl=0|this._cl+cl,this._dl=0|this._dl+dl,this._el=0|this._el+el,this._fl=0|this._fl+fl,this._gl=0|this._gl+gl,this._hl=0|this._hl+hl,this._ah=0|this._ah+ah+getCarry(this._al,al),this._bh=0|this._bh+bh+getCarry(this._bl,bl),this._ch=0|this._ch+ch+getCarry(this._cl,cl),this._dh=0|this._dh+dh+getCarry(this._dl,dl),this._eh=0|this._eh+eh+getCarry(this._el,el),this._fh=0|this._fh+fh+getCarry(this._fl,fl),this._gh=0|this._gh+gh+getCarry(this._gl,gl),this._hh=0|this._hh+hh+getCarry(this._hl,hl)},Sha512.prototype._hash=function(){function writeInt64BE(h,l,offset){H.writeInt32BE(h,offset),H.writeInt32BE(l,offset+4)}var H=Buffer.allocUnsafe(64);return writeInt64BE(this._ah,this._al,0),writeInt64BE(this._bh,this._bl,8),writeInt64BE(this._ch,this._cl,16),writeInt64BE(this._dh,this._dl,24),writeInt64BE(this._eh,this._el,32),writeInt64BE(this._fh,this._fl,40),writeInt64BE(this._gh,this._gl,48),writeInt64BE(this._hh,this._hl,56),H},module.exports=Sha512},{"./hash":292,inherits:190,"safe-buffer":290}],300:[function(require,module,exports){(function(Buffer){(function(){/*! simple-concat. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */module.exports=function(stream,cb){var chunks=[];stream.on("data",function(chunk){chunks.push(chunk)}),stream.once("end",function(){cb&&cb(null,Buffer.concat(chunks)),cb=null}),stream.once("error",function(err){cb&&cb(err),cb=null})}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:101}],301:[function(require,module,exports){(function(Buffer){(function(){function simpleGet(opts,cb){if(opts=Object.assign({maxRedirects:10},"string"==typeof opts?{url:opts}:opts),cb=once(cb),opts.url){const{hostname,port,protocol,auth,path}=url.parse(opts.url);delete opts.url,hostname||port||protocol||auth?Object.assign(opts,{hostname,port,protocol,auth,path}):opts.path=path}const headers={"accept-encoding":"gzip, deflate"};opts.headers&&Object.keys(opts.headers).forEach(k=>headers[k.toLowerCase()]=opts.headers[k]),opts.headers=headers;let body;opts.body?body=opts.json&&!isStream(opts.body)?JSON.stringify(opts.body):opts.body:opts.form&&(body="string"==typeof opts.form?opts.form:querystring.stringify(opts.form),opts.headers["content-type"]="application/x-www-form-urlencoded"),body&&(!opts.method&&(opts.method="POST"),!isStream(body)&&(opts.headers["content-length"]=Buffer.byteLength(body)),opts.json&&!opts.form&&(opts.headers["content-type"]="application/json")),delete opts.body,delete opts.form,opts.json&&(opts.headers.accept="application/json"),opts.method&&(opts.method=opts.method.toUpperCase());const originalHost=opts.hostname,protocol="https:"===opts.protocol?https:http,req=protocol.request(opts,res=>{if(!1!==opts.followRedirects&&300<=res.statusCode&&400>res.statusCode&&res.headers.location){opts.url=res.headers.location,delete opts.headers.host,res.resume();const redirectHost=url.parse(opts.url).hostname;return null!==redirectHost&&redirectHost!==originalHost&&(delete opts.headers.cookie,delete opts.headers.authorization),"POST"===opts.method&&[301,302].includes(res.statusCode)&&(opts.method="GET",delete opts.headers["content-length"],delete opts.headers["content-type"]),0==opts.maxRedirects--?cb(new Error("too many redirects")):simpleGet(opts,cb)}const tryUnzip="function"==typeof decompressResponse&&"HEAD"!==opts.method;cb(null,tryUnzip?decompressResponse(res):res)});return req.on("timeout",()=>{req.abort(),cb(new Error("Request timed out"))}),req.on("error",cb),isStream(body)?body.on("error",cb).pipe(req):req.end(body),req}module.exports=simpleGet;const concat=require("simple-concat"),decompressResponse=require("decompress-response"),http=require("http"),https=require("https"),once=require("once"),querystring=require("querystring"),url=require("url"),isStream=o=>null!==o&&"object"==typeof o&&"function"==typeof o.pipe;simpleGet.concat=(opts,cb)=>simpleGet(opts,(err,res)=>err?cb(err):void concat(res,(err,data)=>{if(err)return cb(err);if(opts.json)try{data=JSON.parse(data.toString())}catch(err){return cb(err,res,data)}cb(null,res,data)})),["get","post","put","patch","head","delete"].forEach(method=>{simpleGet[method]=(opts,cb)=>("string"==typeof opts&&(opts={url:opts}),simpleGet(Object.assign({method:method.toUpperCase()},opts),cb))})}).call(this)}).call(this,require("buffer").Buffer)},{buffer:101,"decompress-response":66,http:312,https:187,once:231,querystring:258,"simple-concat":300,url:331}],302:[function(require,module,exports){function filterTrickle(sdp){return sdp.replace(/a=ice-options:trickle\s\n/g,"")}function warn(message){console.warn(message)}/*! simple-peer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */const debug=require("debug")("simple-peer"),getBrowserRTC=require("get-browser-rtc"),randombytes=require("randombytes"),stream=require("readable-stream"),queueMicrotask=require("queue-microtask"),errCode=require("err-code"),{Buffer}=require("buffer"),MAX_BUFFERED_AMOUNT=65536,ICECOMPLETE_TIMEOUT=5000,CHANNEL_CLOSING_TIMEOUT=5000;class Peer extends stream.Duplex{constructor(opts){if(opts=Object.assign({allowHalfOpen:!1},opts),super(opts),this._id=randombytes(4).toString("hex").slice(0,7),this._debug("new peer %o",opts),this.channelName=opts.initiator?opts.channelName||randombytes(20).toString("hex"):null,this.initiator=opts.initiator||!1,this.channelConfig=opts.channelConfig||Peer.channelConfig,this.channelNegotiated=this.channelConfig.negotiated,this.config=Object.assign({},Peer.config,opts.config),this.offerOptions=opts.offerOptions||{},this.answerOptions=opts.answerOptions||{},this.sdpTransform=opts.sdpTransform||(sdp=>sdp),this.streams=opts.streams||(opts.stream?[opts.stream]:[]),this.trickle=void 0===opts.trickle||opts.trickle,this.allowHalfTrickle=void 0!==opts.allowHalfTrickle&&opts.allowHalfTrickle,this.iceCompleteTimeout=opts.iceCompleteTimeout||ICECOMPLETE_TIMEOUT,this.destroyed=!1,this.destroying=!1,this._connected=!1,this.remoteAddress=void 0,this.remoteFamily=void 0,this.remotePort=void 0,this.localAddress=void 0,this.localFamily=void 0,this.localPort=void 0,this._wrtc=opts.wrtc&&"object"==typeof opts.wrtc?opts.wrtc:getBrowserRTC(),!this._wrtc)if("undefined"==typeof window)throw errCode(new Error("No WebRTC support: Specify `opts.wrtc` option in this environment"),"ERR_WEBRTC_SUPPORT");else throw errCode(new Error("No WebRTC support: Not a supported browser"),"ERR_WEBRTC_SUPPORT");this._pcReady=!1,this._channelReady=!1,this._iceComplete=!1,this._iceCompleteTimer=null,this._channel=null,this._pendingCandidates=[],this._isNegotiating=!1,this._firstNegotiation=!0,this._batchedNegotiation=!1,this._queuedNegotiation=!1,this._sendersAwaitingStable=[],this._senderMap=new Map,this._closingInterval=null,this._remoteTracks=[],this._remoteStreams=[],this._chunk=null,this._cb=null,this._interval=null;try{this._pc=new this._wrtc.RTCPeerConnection(this.config)}catch(err){return void this.destroy(errCode(err,"ERR_PC_CONSTRUCTOR"))}this._isReactNativeWebrtc="number"==typeof this._pc._peerConnectionId,this._pc.oniceconnectionstatechange=()=>{this._onIceStateChange()},this._pc.onicegatheringstatechange=()=>{this._onIceStateChange()},this._pc.onconnectionstatechange=()=>{this._onConnectionStateChange()},this._pc.onsignalingstatechange=()=>{this._onSignalingStateChange()},this._pc.onicecandidate=event=>{this._onIceCandidate(event)},"object"==typeof this._pc.peerIdentity&&this._pc.peerIdentity.catch(err=>{this.destroy(errCode(err,"ERR_PC_PEER_IDENTITY"))}),this.initiator||this.channelNegotiated?this._setupData({channel:this._pc.createDataChannel(this.channelName,this.channelConfig)}):this._pc.ondatachannel=event=>{this._setupData(event)},this.streams&&this.streams.forEach(stream=>{this.addStream(stream)}),this._pc.ontrack=event=>{this._onTrack(event)},this._debug("initial negotiation"),this._needsNegotiation(),this._onFinishBound=()=>{this._onFinish()},this.once("finish",this._onFinishBound)}get bufferSize(){return this._channel&&this._channel.bufferedAmount||0}get connected(){return this._connected&&"open"===this._channel.readyState}address(){return{port:this.localPort,family:this.localFamily,address:this.localAddress}}signal(data){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot signal after peer is destroyed"),"ERR_DESTROYED");if("string"==typeof data)try{data=JSON.parse(data)}catch(err){data={}}this._debug("signal()"),data.renegotiate&&this.initiator&&(this._debug("got request to renegotiate"),this._needsNegotiation()),data.transceiverRequest&&this.initiator&&(this._debug("got request for transceiver"),this.addTransceiver(data.transceiverRequest.kind,data.transceiverRequest.init)),data.candidate&&(this._pc.remoteDescription&&this._pc.remoteDescription.type?this._addIceCandidate(data.candidate):this._pendingCandidates.push(data.candidate)),data.sdp&&this._pc.setRemoteDescription(new this._wrtc.RTCSessionDescription(data)).then(()=>{this.destroyed||(this._pendingCandidates.forEach(candidate=>{this._addIceCandidate(candidate)}),this._pendingCandidates=[],"offer"===this._pc.remoteDescription.type&&this._createAnswer())}).catch(err=>{this.destroy(errCode(err,"ERR_SET_REMOTE_DESCRIPTION"))}),data.sdp||data.candidate||data.renegotiate||data.transceiverRequest||this.destroy(errCode(new Error("signal() called with invalid signal data"),"ERR_SIGNALING"))}}_addIceCandidate(candidate){const iceCandidateObj=new this._wrtc.RTCIceCandidate(candidate);this._pc.addIceCandidate(iceCandidateObj).catch(err=>{!iceCandidateObj.address||iceCandidateObj.address.endsWith(".local")?warn("Ignoring unsupported ICE candidate."):this.destroy(errCode(err,"ERR_ADD_ICE_CANDIDATE"))})}send(chunk){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot send after peer is destroyed"),"ERR_DESTROYED");this._channel.send(chunk)}}addTransceiver(kind,init){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot addTransceiver after peer is destroyed"),"ERR_DESTROYED");if(this._debug("addTransceiver()"),this.initiator)try{this._pc.addTransceiver(kind,init),this._needsNegotiation()}catch(err){this.destroy(errCode(err,"ERR_ADD_TRANSCEIVER"))}else this.emit("signal",{type:"transceiverRequest",transceiverRequest:{kind,init}})}}addStream(stream){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot addStream after peer is destroyed"),"ERR_DESTROYED");this._debug("addStream()"),stream.getTracks().forEach(track=>{this.addTrack(track,stream)})}}addTrack(track,stream){if(this.destroying)return;if(this.destroyed)throw errCode(new Error("cannot addTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("addTrack()");const submap=this._senderMap.get(track)||new Map;let sender=submap.get(stream);if(!sender)sender=this._pc.addTrack(track,stream),submap.set(stream,sender),this._senderMap.set(track,submap),this._needsNegotiation();else if(sender.removed)throw errCode(new Error("Track has been removed. You should enable/disable tracks that you want to re-add."),"ERR_SENDER_REMOVED");else throw errCode(new Error("Track has already been added to that stream."),"ERR_SENDER_ALREADY_ADDED")}replaceTrack(oldTrack,newTrack,stream){if(this.destroying)return;if(this.destroyed)throw errCode(new Error("cannot replaceTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("replaceTrack()");const submap=this._senderMap.get(oldTrack),sender=submap?submap.get(stream):null;if(!sender)throw errCode(new Error("Cannot replace track that was never added."),"ERR_TRACK_NOT_ADDED");newTrack&&this._senderMap.set(newTrack,submap),null==sender.replaceTrack?this.destroy(errCode(new Error("replaceTrack is not supported in this browser"),"ERR_UNSUPPORTED_REPLACETRACK")):sender.replaceTrack(newTrack)}removeTrack(track,stream){if(this.destroying)return;if(this.destroyed)throw errCode(new Error("cannot removeTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("removeSender()");const submap=this._senderMap.get(track),sender=submap?submap.get(stream):null;if(!sender)throw errCode(new Error("Cannot remove track that was never added."),"ERR_TRACK_NOT_ADDED");try{sender.removed=!0,this._pc.removeTrack(sender)}catch(err){"NS_ERROR_UNEXPECTED"===err.name?this._sendersAwaitingStable.push(sender):this.destroy(errCode(err,"ERR_REMOVE_TRACK"))}this._needsNegotiation()}removeStream(stream){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot removeStream after peer is destroyed"),"ERR_DESTROYED");this._debug("removeSenders()"),stream.getTracks().forEach(track=>{this.removeTrack(track,stream)})}}_needsNegotiation(){this._debug("_needsNegotiation");this._batchedNegotiation||(this._batchedNegotiation=!0,queueMicrotask(()=>{this._batchedNegotiation=!1,this.initiator||!this._firstNegotiation?(this._debug("starting batched negotiation"),this.negotiate()):this._debug("non-initiator initial negotiation request discarded"),this._firstNegotiation=!1}))}negotiate(){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot negotiate after peer is destroyed"),"ERR_DESTROYED");this.initiator?this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, queueing")):(this._debug("start negotiation"),setTimeout(()=>{this._createOffer()},0)):this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, queueing")):(this._debug("requesting negotiation from initiator"),this.emit("signal",{type:"renegotiate",renegotiate:!0})),this._isNegotiating=!0}}destroy(err){this._destroy(err,()=>{})}_destroy(err,cb){this.destroyed||this.destroying||(this.destroying=!0,this._debug("destroying (error: %s)",err&&(err.message||err)),queueMicrotask(()=>{if(this.destroyed=!0,this.destroying=!1,this._debug("destroy (error: %s)",err&&(err.message||err)),this.readable=this.writable=!1,this._readableState.ended||this.push(null),this._writableState.finished||this.end(),this._connected=!1,this._pcReady=!1,this._channelReady=!1,this._remoteTracks=null,this._remoteStreams=null,this._senderMap=null,clearInterval(this._closingInterval),this._closingInterval=null,clearInterval(this._interval),this._interval=null,this._chunk=null,this._cb=null,this._onFinishBound&&this.removeListener("finish",this._onFinishBound),this._onFinishBound=null,this._channel){try{this._channel.close()}catch(err){}this._channel.onmessage=null,this._channel.onopen=null,this._channel.onclose=null,this._channel.onerror=null}if(this._pc){try{this._pc.close()}catch(err){}this._pc.oniceconnectionstatechange=null,this._pc.onicegatheringstatechange=null,this._pc.onsignalingstatechange=null,this._pc.onicecandidate=null,this._pc.ontrack=null,this._pc.ondatachannel=null}this._pc=null,this._channel=null,err&&this.emit("error",err),this.emit("close"),cb()}))}_setupData(event){if(!event.channel)return this.destroy(errCode(new Error("Data channel event is missing `channel` property"),"ERR_DATA_CHANNEL"));this._channel=event.channel,this._channel.binaryType="arraybuffer","number"==typeof this._channel.bufferedAmountLowThreshold&&(this._channel.bufferedAmountLowThreshold=MAX_BUFFERED_AMOUNT),this.channelName=this._channel.label,this._channel.onmessage=event=>{this._onChannelMessage(event)},this._channel.onbufferedamountlow=()=>{this._onChannelBufferedAmountLow()},this._channel.onopen=()=>{this._onChannelOpen()},this._channel.onclose=()=>{this._onChannelClose()},this._channel.onerror=event=>{const err=event.error instanceof Error?event.error:new Error(`Datachannel error: ${event.message} ${event.filename}:${event.lineno}:${event.colno}`);this.destroy(errCode(err,"ERR_DATA_CHANNEL"))};let isClosing=!1;this._closingInterval=setInterval(()=>{this._channel&&"closing"===this._channel.readyState?(isClosing&&this._onChannelClose(),isClosing=!0):isClosing=!1},CHANNEL_CLOSING_TIMEOUT)}_read(){}_write(chunk,encoding,cb){if(this.destroyed)return cb(errCode(new Error("cannot write after peer is destroyed"),"ERR_DATA_CHANNEL"));if(this._connected){try{this.send(chunk)}catch(err){return this.destroy(errCode(err,"ERR_DATA_CHANNEL"))}this._channel.bufferedAmount>MAX_BUFFERED_AMOUNT?(this._debug("start backpressure: bufferedAmount %d",this._channel.bufferedAmount),this._cb=cb):cb(null)}else this._debug("write before connect"),this._chunk=chunk,this._cb=cb}_onFinish(){if(!this.destroyed){const destroySoon=()=>{setTimeout(()=>this.destroy(),1e3)};this._connected?destroySoon():this.once("connect",destroySoon)}}_startIceCompleteTimeout(){this.destroyed||this._iceCompleteTimer||(this._debug("started iceComplete timeout"),this._iceCompleteTimer=setTimeout(()=>{this._iceComplete||(this._iceComplete=!0,this._debug("iceComplete timeout completed"),this.emit("iceTimeout"),this.emit("_iceComplete"))},this.iceCompleteTimeout))}_createOffer(){this.destroyed||this._pc.createOffer(this.offerOptions).then(offer=>{if(this.destroyed)return;this.trickle||this.allowHalfTrickle||(offer.sdp=filterTrickle(offer.sdp)),offer.sdp=this.sdpTransform(offer.sdp);const sendOffer=()=>{if(!this.destroyed){const signal=this._pc.localDescription||offer;this._debug("signal"),this.emit("signal",{type:signal.type,sdp:signal.sdp})}},onSuccess=()=>{this._debug("createOffer success");this.destroyed||(this.trickle||this._iceComplete?sendOffer():this.once("_iceComplete",sendOffer))},onError=err=>{this.destroy(errCode(err,"ERR_SET_LOCAL_DESCRIPTION"))};this._pc.setLocalDescription(offer).then(onSuccess).catch(onError)}).catch(err=>{this.destroy(errCode(err,"ERR_CREATE_OFFER"))})}_requestMissingTransceivers(){this._pc.getTransceivers&&this._pc.getTransceivers().forEach(transceiver=>{transceiver.mid||!transceiver.sender.track||transceiver.requested||(transceiver.requested=!0,this.addTransceiver(transceiver.sender.track.kind))})}_createAnswer(){this.destroyed||this._pc.createAnswer(this.answerOptions).then(answer=>{if(this.destroyed)return;this.trickle||this.allowHalfTrickle||(answer.sdp=filterTrickle(answer.sdp)),answer.sdp=this.sdpTransform(answer.sdp);const sendAnswer=()=>{if(!this.destroyed){const signal=this._pc.localDescription||answer;this._debug("signal"),this.emit("signal",{type:signal.type,sdp:signal.sdp}),this.initiator||this._requestMissingTransceivers()}},onSuccess=()=>{this.destroyed||(this.trickle||this._iceComplete?sendAnswer():this.once("_iceComplete",sendAnswer))},onError=err=>{this.destroy(errCode(err,"ERR_SET_LOCAL_DESCRIPTION"))};this._pc.setLocalDescription(answer).then(onSuccess).catch(onError)}).catch(err=>{this.destroy(errCode(err,"ERR_CREATE_ANSWER"))})}_onConnectionStateChange(){this.destroyed||"failed"===this._pc.connectionState&&this.destroy(errCode(new Error("Connection failed."),"ERR_CONNECTION_FAILURE"))}_onIceStateChange(){if(this.destroyed)return;const iceConnectionState=this._pc.iceConnectionState,iceGatheringState=this._pc.iceGatheringState;this._debug("iceStateChange (connection: %s) (gathering: %s)",iceConnectionState,iceGatheringState),this.emit("iceStateChange",iceConnectionState,iceGatheringState),("connected"===iceConnectionState||"completed"===iceConnectionState)&&(this._pcReady=!0,this._maybeReady()),"failed"===iceConnectionState&&this.destroy(errCode(new Error("Ice connection failed."),"ERR_ICE_CONNECTION_FAILURE")),"closed"===iceConnectionState&&this.destroy(errCode(new Error("Ice connection closed."),"ERR_ICE_CONNECTION_CLOSED"))}getStats(cb){const flattenValues=report=>("[object Array]"===Object.prototype.toString.call(report.values)&&report.values.forEach(value=>{Object.assign(report,value)}),report);0===this._pc.getStats.length||this._isReactNativeWebrtc?this._pc.getStats().then(res=>{const reports=[];res.forEach(report=>{reports.push(flattenValues(report))}),cb(null,reports)},err=>cb(err)):0<this._pc.getStats.length?this._pc.getStats(res=>{if(this.destroyed)return;const reports=[];res.result().forEach(result=>{const report={};result.names().forEach(name=>{report[name]=result.stat(name)}),report.id=result.id,report.type=result.type,report.timestamp=result.timestamp,reports.push(flattenValues(report))}),cb(null,reports)},err=>cb(err)):cb(null,[])}_maybeReady(){if(this._debug("maybeReady pc %s channel %s",this._pcReady,this._channelReady),this._connected||this._connecting||!this._pcReady||!this._channelReady)return;this._connecting=!0;const findCandidatePair=()=>{this.destroyed||this.getStats((err,items)=>{if(this.destroyed)return;err&&(items=[]);const remoteCandidates={},localCandidates={},candidatePairs={};let foundSelectedCandidatePair=!1;items.forEach(item=>{("remotecandidate"===item.type||"remote-candidate"===item.type)&&(remoteCandidates[item.id]=item),("localcandidate"===item.type||"local-candidate"===item.type)&&(localCandidates[item.id]=item),("candidatepair"===item.type||"candidate-pair"===item.type)&&(candidatePairs[item.id]=item)});const setSelectedCandidatePair=selectedCandidatePair=>{foundSelectedCandidatePair=!0;let local=localCandidates[selectedCandidatePair.localCandidateId];local&&(local.ip||local.address)?(this.localAddress=local.ip||local.address,this.localPort=+local.port):local&&local.ipAddress?(this.localAddress=local.ipAddress,this.localPort=+local.portNumber):"string"==typeof selectedCandidatePair.googLocalAddress&&(local=selectedCandidatePair.googLocalAddress.split(":"),this.localAddress=local[0],this.localPort=+local[1]),this.localAddress&&(this.localFamily=this.localAddress.includes(":")?"IPv6":"IPv4");let remote=remoteCandidates[selectedCandidatePair.remoteCandidateId];remote&&(remote.ip||remote.address)?(this.remoteAddress=remote.ip||remote.address,this.remotePort=+remote.port):remote&&remote.ipAddress?(this.remoteAddress=remote.ipAddress,this.remotePort=+remote.portNumber):"string"==typeof selectedCandidatePair.googRemoteAddress&&(remote=selectedCandidatePair.googRemoteAddress.split(":"),this.remoteAddress=remote[0],this.remotePort=+remote[1]),this.remoteAddress&&(this.remoteFamily=this.remoteAddress.includes(":")?"IPv6":"IPv4"),this._debug("connect local: %s:%s remote: %s:%s",this.localAddress,this.localPort,this.remoteAddress,this.remotePort)};if(items.forEach(item=>{"transport"===item.type&&item.selectedCandidatePairId&&setSelectedCandidatePair(candidatePairs[item.selectedCandidatePairId]),("googCandidatePair"===item.type&&"true"===item.googActiveConnection||("candidatepair"===item.type||"candidate-pair"===item.type)&&item.selected)&&setSelectedCandidatePair(item)}),!foundSelectedCandidatePair&&(!Object.keys(candidatePairs).length||Object.keys(localCandidates).length))return void setTimeout(findCandidatePair,100);if(this._connecting=!1,this._connected=!0,this._chunk){try{this.send(this._chunk)}catch(err){return this.destroy(errCode(err,"ERR_DATA_CHANNEL"))}this._chunk=null,this._debug("sent chunk from \"write before connect\"");const cb=this._cb;this._cb=null,cb(null)}"number"!=typeof this._channel.bufferedAmountLowThreshold&&(this._interval=setInterval(()=>this._onInterval(),150),this._interval.unref&&this._interval.unref()),this._debug("connect"),this.emit("connect")})};findCandidatePair()}_onInterval(){this._cb&&this._channel&&!(this._channel.bufferedAmount>MAX_BUFFERED_AMOUNT)&&this._onChannelBufferedAmountLow()}_onSignalingStateChange(){this.destroyed||("stable"===this._pc.signalingState&&(this._isNegotiating=!1,this._debug("flushing sender queue",this._sendersAwaitingStable),this._sendersAwaitingStable.forEach(sender=>{this._pc.removeTrack(sender),this._queuedNegotiation=!0}),this._sendersAwaitingStable=[],this._queuedNegotiation?(this._debug("flushing negotiation queue"),this._queuedNegotiation=!1,this._needsNegotiation()):(this._debug("negotiated"),this.emit("negotiated"))),this._debug("signalingStateChange %s",this._pc.signalingState),this.emit("signalingStateChange",this._pc.signalingState))}_onIceCandidate(event){this.destroyed||(event.candidate&&this.trickle?this.emit("signal",{type:"candidate",candidate:{candidate:event.candidate.candidate,sdpMLineIndex:event.candidate.sdpMLineIndex,sdpMid:event.candidate.sdpMid}}):!event.candidate&&!this._iceComplete&&(this._iceComplete=!0,this.emit("_iceComplete")),event.candidate&&this._startIceCompleteTimeout())}_onChannelMessage(event){if(this.destroyed)return;let data=event.data;data instanceof ArrayBuffer&&(data=Buffer.from(data)),this.push(data)}_onChannelBufferedAmountLow(){if(!this.destroyed&&this._cb){this._debug("ending backpressure: bufferedAmount %d",this._channel.bufferedAmount);const cb=this._cb;this._cb=null,cb(null)}}_onChannelOpen(){this._connected||this.destroyed||(this._debug("on channel open"),this._channelReady=!0,this._maybeReady())}_onChannelClose(){this.destroyed||(this._debug("on channel close"),this.destroy())}_onTrack(event){this.destroyed||event.streams.forEach(eventStream=>{this._debug("on track"),this.emit("track",event.track,eventStream),this._remoteTracks.push({track:event.track,stream:eventStream});this._remoteStreams.some(remoteStream=>remoteStream.id===eventStream.id)||(this._remoteStreams.push(eventStream),queueMicrotask(()=>{this._debug("on stream"),this.emit("stream",eventStream)}))})}_debug(){const args=[].slice.call(arguments);args[0]="["+this._id+"] "+args[0],debug.apply(null,args)}}Peer.WEBRTC_SUPPORT=!!getBrowserRTC(),Peer.config={iceServers:[{urls:["stun:stun.l.google.com:19302","stun:global.stun.twilio.com:3478"]}],sdpSemantics:"unified-plan"},Peer.channelConfig={},module.exports=Peer},{buffer:101,debug:122,"err-code":153,"get-browser-rtc":166,"queue-microtask":259,randombytes:262,"readable-stream":281}],303:[function(require,module,exports){function sha1sync(buf){return rusha.digest(buf)}function sha1(buf,cb){return subtle?void("string"==typeof buf&&(buf=uint8array(buf)),subtle.digest({name:"sha-1"},buf).then(function succeed(result){cb(hex(new Uint8Array(result)))},function fail(){cb(sha1sync(buf))})):void("undefined"==typeof window?queueMicrotask(()=>cb(sha1sync(buf))):rushaWorkerSha1(buf,function onRushaWorkerSha1(err,hash){return err?void cb(sha1sync(buf)):void cb(hash)}))}function uint8array(s){const l=s.length,array=new Uint8Array(l);for(let i=0;i<l;i++)array[i]=s.charCodeAt(i);return array}function hex(buf){const l=buf.length,chars=[];for(let i=0;i<l;i++){const bite=buf[i];chars.push((bite>>>4).toString(16)),chars.push((15&bite).toString(16))}return chars.join("")}const Rusha=require("rusha"),rushaWorkerSha1=require("./rusha-worker-sha1"),rusha=new Rusha,scope="undefined"==typeof window?self:window,crypto=scope.crypto||scope.msCrypto||{};let subtle=crypto.subtle||crypto.webkitSubtle;try{subtle.digest({name:"sha-1"},new Uint8Array).catch(function(){subtle=!1})}catch(err){subtle=!1}module.exports=sha1,module.exports.sync=sha1sync},{"./rusha-worker-sha1":304,rusha:289}],304:[function(require,module,exports){function init(){worker=Rusha.createWorker(),nextTaskId=1,cbs={},worker.onmessage=function onRushaMessage(e){const taskId=e.data.id,cb=cbs[taskId];delete cbs[taskId],null==e.data.error?cb(null,e.data.hash):cb(new Error("Rusha worker error: "+e.data.error))}}function sha1(buf,cb){worker||init(),cbs[nextTaskId]=cb,worker.postMessage({id:nextTaskId,data:buf}),nextTaskId+=1}const Rusha=require("rusha");let worker,nextTaskId,cbs;module.exports=sha1},{rusha:289}],305:[function(require,module,exports){(function(Buffer){(function(){/*! simple-websocket. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */const debug=require("debug")("simple-websocket"),randombytes=require("randombytes"),stream=require("readable-stream"),queueMicrotask=require("queue-microtask"),ws=require("ws"),_WebSocket="function"==typeof ws?ws:WebSocket,MAX_BUFFERED_AMOUNT=65536;class Socket extends stream.Duplex{constructor(opts={}){if("string"==typeof opts&&(opts={url:opts}),opts=Object.assign({allowHalfOpen:!1},opts),super(opts),null==opts.url&&null==opts.socket)throw new Error("Missing required `url` or `socket` option");if(null!=opts.url&&null!=opts.socket)throw new Error("Must specify either `url` or `socket` option, not both");if(this._id=randombytes(4).toString("hex").slice(0,7),this._debug("new websocket: %o",opts),this.connected=!1,this.destroyed=!1,this._chunk=null,this._cb=null,this._interval=null,opts.socket)this.url=opts.socket.url,this._ws=opts.socket,this.connected=opts.socket.readyState===_WebSocket.OPEN;else{this.url=opts.url;try{this._ws="function"==typeof ws?new _WebSocket(opts.url,null,{...opts,encoding:void 0}):new _WebSocket(opts.url)}catch(err){return void queueMicrotask(()=>this.destroy(err))}}this._ws.binaryType="arraybuffer",opts.socket&&this.connected?queueMicrotask(()=>this._handleOpen()):this._ws.onopen=()=>this._handleOpen(),this._ws.onmessage=event=>this._handleMessage(event),this._ws.onclose=()=>this._handleClose(),this._ws.onerror=err=>this._handleError(err),this._handleFinishBound=()=>this._handleFinish(),this.once("finish",this._handleFinishBound)}send(chunk){this._ws.send(chunk)}destroy(err){this._destroy(err,()=>{})}_destroy(err,cb){if(!this.destroyed){if(this._debug("destroy (error: %s)",err&&(err.message||err)),this.readable=this.writable=!1,this._readableState.ended||this.push(null),this._writableState.finished||this.end(),this.connected=!1,this.destroyed=!0,clearInterval(this._interval),this._interval=null,this._chunk=null,this._cb=null,this._handleFinishBound&&this.removeListener("finish",this._handleFinishBound),this._handleFinishBound=null,this._ws){const ws=this._ws,onClose=()=>{ws.onclose=null};if(ws.readyState===_WebSocket.CLOSED)onClose();else try{ws.onclose=onClose,ws.close()}catch(err){onClose()}ws.onopen=null,ws.onmessage=null,ws.onerror=()=>{}}this._ws=null,err&&this.emit("error",err),this.emit("close"),cb()}}_read(){}_write(chunk,encoding,cb){if(this.destroyed)return cb(new Error("cannot write after socket is destroyed"));if(this.connected){try{this.send(chunk)}catch(err){return this.destroy(err)}"function"!=typeof ws&&this._ws.bufferedAmount>MAX_BUFFERED_AMOUNT?(this._debug("start backpressure: bufferedAmount %d",this._ws.bufferedAmount),this._cb=cb):cb(null)}else this._debug("write before connect"),this._chunk=chunk,this._cb=cb}_handleOpen(){if(!(this.connected||this.destroyed)){if(this.connected=!0,this._chunk){try{this.send(this._chunk)}catch(err){return this.destroy(err)}this._chunk=null,this._debug("sent chunk from \"write before connect\"");const cb=this._cb;this._cb=null,cb(null)}"function"!=typeof ws&&(this._interval=setInterval(()=>this._onInterval(),150),this._interval.unref&&this._interval.unref()),this._debug("connect"),this.emit("connect")}}_handleMessage(event){if(this.destroyed)return;let data=event.data;data instanceof ArrayBuffer&&(data=Buffer.from(data)),this.push(data)}_handleClose(){this.destroyed||(this._debug("on close"),this.destroy())}_handleError(_){this.destroy(new Error(`Error connecting to ${this.url}`))}_handleFinish(){if(!this.destroyed){const destroySoon=()=>{setTimeout(()=>this.destroy(),1e3)};this.connected?destroySoon():this.once("connect",destroySoon)}}_onInterval(){if(this._cb&&this._ws&&!(this._ws.bufferedAmount>MAX_BUFFERED_AMOUNT)){this._debug("ending backpressure: bufferedAmount %d",this._ws.bufferedAmount);const cb=this._cb;this._cb=null,cb(null)}}_debug(){const args=[].slice.call(arguments);args[0]="["+this._id+"] "+args[0],debug.apply(null,args)}}Socket.WEBSOCKET_SUPPORT=!!_WebSocket,module.exports=Socket}).call(this)}).call(this,require("buffer").Buffer)},{buffer:101,debug:122,"queue-microtask":259,randombytes:262,"readable-stream":281,ws:66}],306:[function(require,module,exports){const Throttle=require("./lib/throttle"),ThrottleGroup=require("./lib/throttle-group");module.exports={Throttle,ThrottleGroup}},{"./lib/throttle":308,"./lib/throttle-group":307}],307:[function(require,module,exports){const{TokenBucket}=require("limiter"),Throttle=require("./throttle");class ThrottleGroup{constructor(opts={}){if("object"!=typeof opts)throw new Error("Options must be an object");this.throttles=[],this.setEnabled(opts.enabled),this.setRate(opts.rate,opts.chunksize)}getEnabled(){return this._enabled}getRate(){return this.bucket.tokensPerInterval}getChunksize(){return this.chunksize}setEnabled(val=!0){if("boolean"!=typeof val)throw new Error("Enabled must be a boolean");this._enabled=val;for(const throttle of this.throttles)throttle.setEnabled(val)}setRate(rate,chunksize=null){if(!_NumberisInteger(rate)||0>rate)throw new Error("Rate must be an integer bigger than zero");if(rate=parseInt(rate),chunksize&&("number"!=typeof chunksize||0>=chunksize))throw new Error("Chunksize must be bigger than zero");if(chunksize=chunksize||_Mathmax(parseInt(rate/10),1),chunksize=parseInt(chunksize),0<rate&&chunksize>rate)throw new Error("Chunk size must be smaller than rate");this.bucket||(this.bucket=new TokenBucket(rate,rate,"second",null)),this.bucket.bucketSize=rate,this.bucket.tokensPerInterval=rate,this.chunksize=chunksize}setChunksize(chunksize){if(!_NumberisInteger(chunksize)||0>=chunksize)throw new Error("Chunk size must be an integer bigger than zero");const rate=this.getRate();if(chunksize=parseInt(chunksize),0<rate&&chunksize>rate)throw new Error("Chunk size must be smaller than rate");this.chunksize=chunksize}throttle(opts={}){if("object"!=typeof opts)throw new Error("Options must be an object");const newThrottle=new Throttle({...opts,group:this});return newThrottle}destroy(){for(const throttle of this.throttles)throttle.destroy();this.throttles=[]}_addThrottle(throttle){if(!(throttle instanceof Throttle))throw new Error("Throttle must be an instance of Throttle");this.throttles.push(throttle)}_removeThrottle(throttle){const index=this.throttles.indexOf(throttle);-1<index&&this.throttles.splice(index,1)}}module.exports=ThrottleGroup},{"./throttle":308,limiter:204}],308:[function(require,module,exports){const{EventEmitter}=require("events"),{Transform}=require("streamx"),{wait}=require("./utils");class Throttle extends Transform{constructor(opts={}){if(super(),"object"!=typeof opts)throw new Error("Options must be an object");const params=Object.assign({},opts);if(params.group&&!(params.group instanceof ThrottleGroup))throw new Error("Group must be an instanece of ThrottleGroup");else params.group||(params.group=new ThrottleGroup(params));this._setEnabled(params.enabled||params.group.enabled),this._group=params.group,this._emitter=new EventEmitter,this._destroyed=!1,this._group._addThrottle(this)}getEnabled(){return this._enabled}getGroup(){return this._group}_setEnabled(val=!0){if("boolean"!=typeof val)throw new Error("Enabled must be a boolean");this._enabled=val}setEnabled(val){this._setEnabled(val),this._enabled?this._emitter.emit("enabled"):this._emitter.emit("disabled")}_transform(chunk,done){this._processChunk(chunk,done)}async _waitForTokens(amount){return new Promise((resolve,reject)=>{function isDone(err){if(self._emitter.removeListener("disabled",isDone),self._emitter.removeListener("destroyed",isDone),!done)return done=!0,err?reject(err):void resolve()}let done=!1;const self=this;this._emitter.once("disabled",isDone),this._emitter.once("destroyed",isDone),this._group.bucket.removeTokens(amount,isDone)})}_areBothEnabled(){return this._enabled&&this._group.getEnabled()}async _processChunk(chunk,done){if(!this._areBothEnabled())return done(null,chunk);let pos=0,chunksize=this._group.getChunksize(),slice=chunk.slice(pos,pos+chunksize);for(;0<slice.length;){if(this._areBothEnabled())try{for(;0===this._group.getRate()&&!this._destroyed&&this._areBothEnabled();)if(await wait(1e3),this._destroyed)return;if(this._areBothEnabled()&&!this._group.bucket.tryRemoveTokens(slice.length)&&(await this._waitForTokens(slice.length),this._destroyed))return}catch(err){return done(err)}this.push(slice),pos+=chunksize,chunksize=this._areBothEnabled()?this._group.getChunksize():chunk.length-pos,slice=chunk.slice(pos,pos+chunksize)}return done()}destroy(...args){this._group._removeThrottle(this),this._destroyed=!0,this._emitter.emit("destroyed"),super.destroy(...args)}}module.exports=Throttle;const ThrottleGroup=require("./throttle-group")},{"./throttle-group":307,"./utils":309,events:156,streamx:319}],309:[function(require,module,exports){function wait(time){return new Promise(resolve=>setTimeout(resolve,time))}module.exports={wait}},{}],310:[function(require,module,exports){var tick=1,maxTick=65535,resolution=4,inc=function(){tick=tick+1&maxTick},timer;module.exports=function(seconds){timer||(timer=setInterval(inc,0|1e3/resolution),timer.unref&&timer.unref());var size=resolution*(seconds||5),buffer=[0],pointer=1,last=tick-1&maxTick;return function(delta){var dist=tick-last&maxTick;for(dist>size&&(dist=size),last=tick;dist--;)pointer===size&&(pointer=0),buffer[pointer]=buffer[0===pointer?size-1:pointer-1],pointer++;delta&&(buffer[pointer-1]+=delta);var top=buffer[pointer-1],btm=buffer.length<size?0:buffer[pointer===size?0:pointer];return buffer.length<resolution?top:(top-btm)*resolution/buffer.length}}},{}],311:[function(require,module,exports){function Stream(){EE.call(this)}module.exports=Stream;var EE=require("events").EventEmitter,inherits=require("inherits");inherits(Stream,EE),Stream.Readable=require("readable-stream/lib/_stream_readable.js"),Stream.Writable=require("readable-stream/lib/_stream_writable.js"),Stream.Duplex=require("readable-stream/lib/_stream_duplex.js"),Stream.Transform=require("readable-stream/lib/_stream_transform.js"),Stream.PassThrough=require("readable-stream/lib/_stream_passthrough.js"),Stream.finished=require("readable-stream/lib/internal/streams/end-of-stream.js"),Stream.pipeline=require("readable-stream/lib/internal/streams/pipeline.js"),Stream.Stream=Stream,Stream.prototype.pipe=function(dest,options){function ondata(chunk){dest.writable&&!1===dest.write(chunk)&&source.pause&&source.pause()}function ondrain(){source.readable&&source.resume&&source.resume()}function onend(){didOnEnd||(didOnEnd=!0,dest.end())}function onclose(){didOnEnd||(didOnEnd=!0,"function"==typeof dest.destroy&&dest.destroy())}function onerror(er){if(cleanup(),0===EE.listenerCount(this,"error"))throw er}function cleanup(){source.removeListener("data",ondata),dest.removeListener("drain",ondrain),source.removeListener("end",onend),source.removeListener("close",onclose),source.removeListener("error",onerror),dest.removeListener("error",onerror),source.removeListener("end",cleanup),source.removeListener("close",cleanup),dest.removeListener("close",cleanup)}var source=this;source.on("data",ondata),dest.on("drain",ondrain),dest._isStdio||options&&!1===options.end||(source.on("end",onend),source.on("close",onclose));var didOnEnd=!1;return source.on("error",onerror),dest.on("error",onerror),source.on("end",cleanup),source.on("close",cleanup),dest.on("close",cleanup),dest.emit("pipe",source),dest}},{events:156,inherits:190,"readable-stream/lib/_stream_duplex.js":268,"readable-stream/lib/_stream_passthrough.js":269,"readable-stream/lib/_stream_readable.js":270,"readable-stream/lib/_stream_transform.js":271,"readable-stream/lib/_stream_writable.js":272,"readable-stream/lib/internal/streams/end-of-stream.js":276,"readable-stream/lib/internal/streams/pipeline.js":278}],312:[function(require,module,exports){(function(global){(function(){var ClientRequest=require("./lib/request"),response=require("./lib/response"),extend=require("xtend"),statusCodes=require("builtin-status-codes"),url=require("url"),http=exports;http.request=function(opts,cb){opts="string"==typeof opts?url.parse(opts):extend(opts);var defaultProtocol=-1===global.location.protocol.search(/^https?:$/)?"http:":"",protocol=opts.protocol||defaultProtocol,host=opts.hostname||opts.host,port=opts.port,path=opts.path||"/";host&&-1!==host.indexOf(":")&&(host="["+host+"]"),opts.url=(host?protocol+"//"+host:"")+(port?":"+port:"")+path,opts.method=(opts.method||"GET").toUpperCase(),opts.headers=opts.headers||{};var req=new ClientRequest(opts);return cb&&req.on("response",cb),req},http.get=function get(opts,cb){var req=http.request(opts,cb);return req.end(),req},http.ClientRequest=ClientRequest,http.IncomingMessage=response.IncomingMessage,http.Agent=function(){},http.Agent.defaultMaxSockets=4,http.globalAgent=new http.Agent,http.STATUS_CODES=statusCodes,http.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)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"./lib/request":314,"./lib/response":315,"builtin-status-codes":102,url:331,xtend:343}],313:[function(require,module,exports){(function(global){(function(){function getXHR(){if(xhr!==void 0)return xhr;if(global.XMLHttpRequest){xhr=new global.XMLHttpRequest;try{xhr.open("GET",global.XDomainRequest?"/":"https://example.com")}catch(e){xhr=null}}else xhr=null;return xhr}function checkTypeSupport(type){var xhr=getXHR();if(!xhr)return!1;try{return xhr.responseType=type,xhr.responseType===type}catch(e){}return!1}function isFunction(value){return"function"==typeof value}exports.fetch=isFunction(global.fetch)&&isFunction(global.ReadableStream),exports.writableStream=isFunction(global.WritableStream),exports.abortController=isFunction(global.AbortController);var xhr;exports.arraybuffer=exports.fetch||checkTypeSupport("arraybuffer"),exports.msstream=!exports.fetch&&checkTypeSupport("ms-stream"),exports.mozchunkedarraybuffer=!exports.fetch&&checkTypeSupport("moz-chunked-arraybuffer"),exports.overrideMimeType=exports.fetch||!!getXHR()&&isFunction(getXHR().overrideMimeType),xhr=null}).call(this)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{}],314:[function(require,module,exports){(function(process,global,Buffer){(function(){function decideMode(preferBinary,useFetch){return capability.fetch&&useFetch?"fetch":capability.mozchunkedarraybuffer?"moz-chunked-arraybuffer":capability.msstream?"ms-stream":capability.arraybuffer&&preferBinary?"arraybuffer":"text"}function statusValid(xhr){try{var status=xhr.status;return null!==status&&0!==status}catch(e){return!1}}var capability=require("./capability"),inherits=require("inherits"),response=require("./response"),stream=require("readable-stream"),IncomingMessage=response.IncomingMessage,rStates=response.readyStates,ClientRequest=module.exports=function(opts){var self=this;stream.Writable.call(self),self._opts=opts,self._body=[],self._headers={},opts.auth&&self.setHeader("Authorization","Basic "+Buffer.from(opts.auth).toString("base64")),Object.keys(opts.headers).forEach(function(name){self.setHeader(name,opts.headers[name])});var useFetch=!0,preferBinary;if("disable-fetch"===opts.mode||"requestTimeout"in opts&&!capability.abortController)useFetch=!1,preferBinary=!0;else if("prefer-streaming"===opts.mode)preferBinary=!1;else if("allow-wrong-content-type"===opts.mode)preferBinary=!capability.overrideMimeType;else if(!opts.mode||"default"===opts.mode||"prefer-fast"===opts.mode)preferBinary=!0;else throw new Error("Invalid value for opts.mode");self._mode=decideMode(preferBinary,useFetch),self._fetchTimer=null,self._socketTimeout=null,self._socketTimer=null,self.on("finish",function(){self._onFinish()})};inherits(ClientRequest,stream.Writable),ClientRequest.prototype.setHeader=function(name,value){var self=this,lowerName=name.toLowerCase();-1!==unsafeHeaders.indexOf(lowerName)||(self._headers[lowerName]={name:name,value:value})},ClientRequest.prototype.getHeader=function(name){var header=this._headers[name.toLowerCase()];return header?header.value:null},ClientRequest.prototype.removeHeader=function(name){var self=this;delete self._headers[name.toLowerCase()]},ClientRequest.prototype._onFinish=function(){var self=this;if(!self._destroyed){var opts=self._opts;"timeout"in opts&&0!==opts.timeout&&self.setTimeout(opts.timeout);var headersObj=self._headers,body=null;"GET"!==opts.method&&"HEAD"!==opts.method&&(body=new Blob(self._body,{type:(headersObj["content-type"]||{}).value||""}));var headersList=[];if(Object.keys(headersObj).forEach(function(keyName){var name=headersObj[keyName].name,value=headersObj[keyName].value;Array.isArray(value)?value.forEach(function(v){headersList.push([name,v])}):headersList.push([name,value])}),"fetch"===self._mode){var signal=null;if(capability.abortController){var controller=new AbortController;signal=controller.signal,self._fetchAbortController=controller,"requestTimeout"in opts&&0!==opts.requestTimeout&&(self._fetchTimer=global.setTimeout(function(){self.emit("requestTimeout"),self._fetchAbortController&&self._fetchAbortController.abort()},opts.requestTimeout))}global.fetch(self._opts.url,{method:self._opts.method,headers:headersList,body:body||void 0,mode:"cors",credentials:opts.withCredentials?"include":"same-origin",signal:signal}).then(function(response){self._fetchResponse=response,self._resetTimers(!1),self._connect()},function(reason){self._resetTimers(!0),self._destroyed||self.emit("error",reason)})}else{var xhr=self._xhr=new global.XMLHttpRequest;try{xhr.open(self._opts.method,self._opts.url,!0)}catch(err){return void process.nextTick(function(){self.emit("error",err)})}"responseType"in xhr&&(xhr.responseType=self._mode),"withCredentials"in xhr&&(xhr.withCredentials=!!opts.withCredentials),"text"===self._mode&&"overrideMimeType"in xhr&&xhr.overrideMimeType("text/plain; charset=x-user-defined"),"requestTimeout"in opts&&(xhr.timeout=opts.requestTimeout,xhr.ontimeout=function(){self.emit("requestTimeout")}),headersList.forEach(function(header){xhr.setRequestHeader(header[0],header[1])}),self._response=null,xhr.onreadystatechange=function(){switch(xhr.readyState){case rStates.LOADING:case rStates.DONE:self._onXHRProgress();}},"moz-chunked-arraybuffer"===self._mode&&(xhr.onprogress=function(){self._onXHRProgress()}),xhr.onerror=function(){self._destroyed||(self._resetTimers(!0),self.emit("error",new Error("XHR error")))};try{xhr.send(body)}catch(err){return void process.nextTick(function(){self.emit("error",err)})}}}},ClientRequest.prototype._onXHRProgress=function(){var self=this;self._resetTimers(!1);!statusValid(self._xhr)||self._destroyed||(!self._response&&self._connect(),self._response._onXHRProgress(self._resetTimers.bind(self)))},ClientRequest.prototype._connect=function(){var self=this;self._destroyed||(self._response=new IncomingMessage(self._xhr,self._fetchResponse,self._mode,self._resetTimers.bind(self)),self._response.on("error",function(err){self.emit("error",err)}),self.emit("response",self._response))},ClientRequest.prototype._write=function(chunk,encoding,cb){var self=this;self._body.push(chunk),cb()},ClientRequest.prototype._resetTimers=function(done){var self=this;global.clearTimeout(self._socketTimer),self._socketTimer=null,done?(global.clearTimeout(self._fetchTimer),self._fetchTimer=null):self._socketTimeout&&(self._socketTimer=global.setTimeout(function(){self.emit("timeout")},self._socketTimeout))},ClientRequest.prototype.abort=ClientRequest.prototype.destroy=function(err){var self=this;self._destroyed=!0,self._resetTimers(!0),self._response&&(self._response._destroyed=!0),self._xhr?self._xhr.abort():self._fetchAbortController&&self._fetchAbortController.abort(),err&&self.emit("error",err)},ClientRequest.prototype.end=function(data,encoding,cb){var self=this;"function"==typeof data&&(cb=data,data=void 0),stream.Writable.prototype.end.call(self,data,encoding,cb)},ClientRequest.prototype.setTimeout=function(timeout,cb){var self=this;cb&&self.once("timeout",cb),self._socketTimeout=timeout,self._resetTimers(!1)},ClientRequest.prototype.flushHeaders=function(){},ClientRequest.prototype.setNoDelay=function(){},ClientRequest.prototype.setSocketKeepAlive=function(){};var unsafeHeaders=["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)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global,require("buffer").Buffer)},{"./capability":313,"./response":315,_process:246,buffer:101,inherits:190,"readable-stream":281}],315:[function(require,module,exports){(function(process,global,Buffer){(function(){var capability=require("./capability"),inherits=require("inherits"),stream=require("readable-stream"),rStates=exports.readyStates={UNSENT:0,OPENED:1,HEADERS_RECEIVED:2,LOADING:3,DONE:4},IncomingMessage=exports.IncomingMessage=function(xhr,response,mode,resetTimers){var self=this;if(stream.Readable.call(self),self._mode=mode,self.headers={},self.rawHeaders=[],self.trailers={},self.rawTrailers=[],self.on("end",function(){process.nextTick(function(){self.emit("close")})}),"fetch"===mode){function read(){reader.read().then(function(result){if(!self._destroyed)return resetTimers(result.done),result.done?void self.push(null):void(self.push(Buffer.from(result.value)),read())}).catch(function(err){resetTimers(!0),self._destroyed||self.emit("error",err)})}if(self._fetchResponse=response,self.url=response.url,self.statusCode=response.status,self.statusMessage=response.statusText,response.headers.forEach(function(header,key){self.headers[key.toLowerCase()]=header,self.rawHeaders.push(key,header)}),capability.writableStream){var writable=new WritableStream({write:function(chunk){return resetTimers(!1),new Promise(function(resolve,reject){self._destroyed?reject():self.push(Buffer.from(chunk))?resolve():self._resumeFetch=resolve})},close:function(){resetTimers(!0),self._destroyed||self.push(null)},abort:function(err){resetTimers(!0),self._destroyed||self.emit("error",err)}});try{return void response.body.pipeTo(writable).catch(function(err){resetTimers(!0),self._destroyed||self.emit("error",err)})}catch(e){}}var reader=response.body.getReader();read()}else{self._xhr=xhr,self._pos=0,self.url=xhr.responseURL,self.statusCode=xhr.status,self.statusMessage=xhr.statusText;var headers=xhr.getAllResponseHeaders().split(/\r?\n/);if(headers.forEach(function(header){var matches=header.match(/^([^:]+):\s*(.*)/);if(matches){var key=matches[1].toLowerCase();"set-cookie"===key?(void 0===self.headers[key]&&(self.headers[key]=[]),self.headers[key].push(matches[2])):void 0===self.headers[key]?self.headers[key]=matches[2]:self.headers[key]+=", "+matches[2],self.rawHeaders.push(matches[1],matches[2])}}),self._charset="x-user-defined",!capability.overrideMimeType){var mimeType=self.rawHeaders["mime-type"];if(mimeType){var charsetMatch=mimeType.match(/;\s*charset=([^;])(;|$)/);charsetMatch&&(self._charset=charsetMatch[1].toLowerCase())}self._charset||(self._charset="utf-8")}}};inherits(IncomingMessage,stream.Readable),IncomingMessage.prototype._read=function(){var self=this,resolve=self._resumeFetch;resolve&&(self._resumeFetch=null,resolve())},IncomingMessage.prototype._onXHRProgress=function(resetTimers){var self=this,xhr=self._xhr,response=null;switch(self._mode){case"text":if(response=xhr.responseText,response.length>self._pos){var newData=response.substr(self._pos);if("x-user-defined"===self._charset){for(var buffer=Buffer.alloc(newData.length),i=0;i<newData.length;i++)buffer[i]=255&newData.charCodeAt(i);self.push(buffer)}else self.push(newData,self._charset);self._pos=response.length}break;case"arraybuffer":if(xhr.readyState!==rStates.DONE||!xhr.response)break;response=xhr.response,self.push(Buffer.from(new Uint8Array(response)));break;case"moz-chunked-arraybuffer":if(response=xhr.response,xhr.readyState!==rStates.LOADING||!response)break;self.push(Buffer.from(new Uint8Array(response)));break;case"ms-stream":if(response=xhr.response,xhr.readyState!==rStates.LOADING)break;var reader=new global.MSStreamReader;reader.onprogress=function(){reader.result.byteLength>self._pos&&(self.push(Buffer.from(new Uint8Array(reader.result.slice(self._pos)))),self._pos=reader.result.byteLength)},reader.onload=function(){resetTimers(!0),self.push(null)},reader.readAsArrayBuffer(response);}self._xhr.readyState===rStates.DONE&&"ms-stream"!==self._mode&&(resetTimers(!0),self.push(null))}}).call(this)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global,require("buffer").Buffer)},{"./capability":313,_process:246,buffer:101,inherits:190,"readable-stream":281}],316:[function(require,module,exports){async function getBlobURL(stream,mimeType){const blob=await getBlob(stream,mimeType),url=URL.createObjectURL(blob);return url}module.exports=getBlobURL;const getBlob=require("stream-to-blob")},{"stream-to-blob":317}],317:[function(require,module,exports){function streamToBlob(stream,mimeType){if(null!=mimeType&&"string"!=typeof mimeType)throw new Error("Invalid mimetype, expected string.");return new Promise((resolve,reject)=>{const chunks=[];stream.on("data",chunk=>chunks.push(chunk)).once("end",()=>{const blob=null==mimeType?new Blob(chunks):new Blob(chunks,{type:mimeType});resolve(blob)}).once("error",reject)})}/*! stream-to-blob. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */module.exports=streamToBlob},{}],318:[function(require,module,exports){(function(Buffer){(function(){/*! stream-with-known-length-to-buffer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */var once=require("once");module.exports=function getBuffer(stream,length,cb){cb=once(cb);var buf=Buffer.alloc(length),offset=0;stream.on("data",function(chunk){chunk.copy(buf,offset),offset+=chunk.length}).on("end",function(){cb(null,buf)}).on("error",cb)}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:101,once:231}],319:[function(require,module,exports){function afterDrain(){this.stream._duplexState|=READ_PIPE_DRAINED,0==(this.stream._duplexState&READ_ACTIVE_AND_SYNC)?this.updateNextTick():this.drain()}function afterFinal(err){const stream=this.stream;err&&stream.destroy(err),0==(stream._duplexState&DESTROY_STATUS)&&(stream._duplexState|=WRITE_DONE,stream.emit("finish")),(stream._duplexState&AUTO_DESTROY)===DONE&&(stream._duplexState|=DESTROYING),stream._duplexState&=WRITE_NOT_ACTIVE,this.update()}function afterDestroy(err){const stream=this.stream;err||this.error===STREAM_DESTROYED||(err=this.error),err&&stream.emit("error",err),stream._duplexState|=DESTROYED,stream.emit("close");const rs=stream._readableState,ws=stream._writableState;null!==rs&&null!==rs.pipeline&&rs.pipeline.done(stream,err),null!==ws&&null!==ws.pipeline&&ws.pipeline.done(stream,err)}function afterWrite(err){const stream=this.stream;err&&stream.destroy(err),stream._duplexState&=WRITE_NOT_ACTIVE,(stream._duplexState&WRITE_DRAIN_STATUS)===WRITE_UNDRAINED&&(stream._duplexState&=WRITE_DRAINED,(stream._duplexState&WRITE_EMIT_DRAIN)===WRITE_EMIT_DRAIN&&stream.emit("drain")),0==(stream._duplexState&WRITE_SYNC)&&this.update()}function afterRead(err){err&&this.stream.destroy(err),this.stream._duplexState&=READ_NOT_ACTIVE,0==(this.stream._duplexState&READ_SYNC)&&this.update()}function updateReadNT(){this.stream._duplexState&=READ_NOT_NEXT_TICK,this.update()}function updateWriteNT(){this.stream._duplexState&=WRITE_NOT_NEXT_TICK,this.update()}function afterOpen(err){const stream=this.stream;err&&stream.destroy(err),0==(stream._duplexState&DESTROYING)&&(0==(stream._duplexState&READ_PRIMARY_STATUS)&&(stream._duplexState|=READ_PRIMARY),0==(stream._duplexState&WRITE_PRIMARY_STATUS)&&(stream._duplexState|=WRITE_PRIMARY),stream.emit("open")),stream._duplexState&=NOT_ACTIVE,null!==stream._writableState&&stream._writableState.update(),null!==stream._readableState&&stream._readableState.update()}function afterTransform(err,data){data!==void 0&&null!==data&&this.push(data),this._writableState.afterWrite(err)}function transformAfterFlush(err,data){const cb=this._transformState.afterFinal;return err?cb(err):void(null!==data&&data!==void 0&&this.push(data),this.push(null),cb(null))}function pipelinePromise(...streams){return new Promise((resolve,reject)=>pipeline(...streams,err=>err?reject(err):void resolve()))}function pipeline(stream,...streams){function errorHandle(s,rd,wr,onerror){function onclose(){return rd&&s._readableState&&!s._readableState.ended?onerror(PREMATURE_CLOSE):wr&&s._writableState&&!s._writableState.ended?onerror(PREMATURE_CLOSE):void 0}s.on("error",onerror),s.on("close",onclose)}function onerror(err){if(err&&!error){error=err;for(const s of all)s.destroy(err)}}const all=Array.isArray(stream)?[...stream,...streams]:[stream,...streams],done=all.length&&"function"==typeof all[all.length-1]?all.pop():null;if(2>all.length)throw new Error("Pipeline requires at least 2 streams");let src=all[0],dest=null,error=null;for(let i=1;i<all.length;i++)dest=all[i],isStreamx(src)?src.pipe(dest,onerror):(errorHandle(src,!0,1<i,onerror),src.pipe(dest)),src=dest;if(done){let fin=!1;dest.on("finish",()=>{fin=!0}),dest.on("error",err=>{error=error||err}),dest.on("close",()=>done(error||(fin?null:PREMATURE_CLOSE)))}return dest}function isStream(stream){return!!stream._readableState||!!stream._writableState}function isStreamx(stream){return"number"==typeof stream._duplexState&&isStream(stream)}function isReadStreamx(stream){return isStreamx(stream)&&stream.readable}function isTypedArray(data){return"object"==typeof data&&null!==data&&"number"==typeof data.byteLength}function defaultByteLength(data){return isTypedArray(data)?data.byteLength:1024}function noop(){}function abort(){this.destroy(new Error("Stream aborted."))}const{EventEmitter}=require("events"),STREAM_DESTROYED=new Error("Stream was destroyed"),PREMATURE_CLOSE=new Error("Premature close"),queueTick=require("queue-tick"),FIFO=require("fast-fifo"),MAX=33554431,OPENING=1,DESTROYING=2,DESTROYED=4,NOT_OPENING=MAX^OPENING,READ_ACTIVE=8,READ_PRIMARY=16,READ_SYNC=32,READ_QUEUED=64,READ_RESUMED=128,READ_PIPE_DRAINED=256,READ_ENDING=512,READ_EMIT_DATA=1024,READ_EMIT_READABLE=2048,READ_EMITTED_READABLE=4096,READ_DONE=8192,READ_NEXT_TICK=16392,READ_NEEDS_PUSH=32768,READ_NOT_ACTIVE=MAX^READ_ACTIVE,READ_NON_PRIMARY=MAX^READ_PRIMARY,READ_NON_PRIMARY_AND_PUSHED=MAX^(READ_PRIMARY|READ_NEEDS_PUSH),READ_NOT_SYNC=MAX^READ_SYNC,READ_PUSHED=MAX^READ_NEEDS_PUSH,READ_PAUSED=MAX^READ_RESUMED,READ_NOT_QUEUED=MAX^(READ_QUEUED|READ_EMITTED_READABLE),READ_NOT_ENDING=MAX^READ_ENDING,READ_PIPE_NOT_DRAINED=MAX^(READ_RESUMED|READ_PIPE_DRAINED),READ_NOT_NEXT_TICK=MAX^READ_NEXT_TICK,WRITE_ACTIVE=65536,WRITE_PRIMARY=131072,WRITE_SYNC=262144,WRITE_QUEUED=524288,WRITE_UNDRAINED=1048576,WRITE_DONE=2097152,WRITE_EMIT_DRAIN=4194304,WRITE_NEXT_TICK=8454144,WRITE_FINISHING=16777216,WRITE_NOT_ACTIVE=MAX^WRITE_ACTIVE,WRITE_NOT_SYNC=MAX^WRITE_SYNC,WRITE_NON_PRIMARY=MAX^WRITE_PRIMARY,WRITE_NOT_FINISHING=MAX^WRITE_FINISHING,WRITE_DRAINED=MAX^WRITE_UNDRAINED,WRITE_NOT_QUEUED=MAX^WRITE_QUEUED,WRITE_NOT_NEXT_TICK=MAX^WRITE_NEXT_TICK,ACTIVE=READ_ACTIVE|WRITE_ACTIVE,NOT_ACTIVE=MAX^ACTIVE,DONE=READ_DONE|WRITE_DONE,DESTROY_STATUS=DESTROYING|DESTROYED,OPEN_STATUS=DESTROY_STATUS|OPENING,AUTO_DESTROY=DESTROY_STATUS|DONE,NON_PRIMARY=WRITE_NON_PRIMARY&READ_NON_PRIMARY,TICKING=(WRITE_NEXT_TICK|READ_NEXT_TICK)&NOT_ACTIVE,ACTIVE_OR_TICKING=ACTIVE|TICKING,IS_OPENING=OPEN_STATUS|TICKING,READ_PRIMARY_STATUS=OPEN_STATUS|READ_ENDING|READ_DONE,READ_STATUS=OPEN_STATUS|READ_DONE|READ_QUEUED,READ_FLOWING=READ_RESUMED|READ_PIPE_DRAINED,READ_ACTIVE_AND_SYNC=READ_ACTIVE|READ_SYNC,READ_ACTIVE_AND_SYNC_AND_NEEDS_PUSH=READ_ACTIVE|READ_SYNC|READ_NEEDS_PUSH,READ_PRIMARY_AND_ACTIVE=READ_PRIMARY|READ_ACTIVE,READ_ENDING_STATUS=OPEN_STATUS|READ_ENDING|READ_QUEUED,READ_EMIT_READABLE_AND_QUEUED=READ_EMIT_READABLE|READ_QUEUED,READ_READABLE_STATUS=OPEN_STATUS|READ_EMIT_READABLE|READ_QUEUED|READ_EMITTED_READABLE,SHOULD_NOT_READ=OPEN_STATUS|READ_ACTIVE|READ_ENDING|READ_DONE|READ_NEEDS_PUSH,READ_BACKPRESSURE_STATUS=DESTROY_STATUS|READ_ENDING|READ_DONE,WRITE_PRIMARY_STATUS=OPEN_STATUS|WRITE_FINISHING|WRITE_DONE,WRITE_QUEUED_AND_UNDRAINED=WRITE_QUEUED|WRITE_UNDRAINED,WRITE_QUEUED_AND_ACTIVE=WRITE_QUEUED|WRITE_ACTIVE,WRITE_DRAIN_STATUS=WRITE_QUEUED|WRITE_UNDRAINED|OPEN_STATUS|WRITE_ACTIVE,WRITE_STATUS=OPEN_STATUS|WRITE_ACTIVE|WRITE_QUEUED,WRITE_PRIMARY_AND_ACTIVE=WRITE_PRIMARY|WRITE_ACTIVE,WRITE_ACTIVE_AND_SYNC=WRITE_ACTIVE|WRITE_SYNC,WRITE_FINISHING_STATUS=OPEN_STATUS|WRITE_FINISHING|WRITE_QUEUED_AND_ACTIVE|WRITE_DONE,WRITE_BACKPRESSURE_STATUS=WRITE_UNDRAINED|DESTROY_STATUS|WRITE_FINISHING|WRITE_DONE,asyncIterator=Symbol.asyncIterator||Symbol("asyncIterator");class WritableState{constructor(stream,{highWaterMark=16384,map=null,mapWritable,byteLength,byteLengthWritable}={}){this.stream=stream,this.queue=new FIFO,this.highWaterMark=highWaterMark,this.buffered=0,this.error=null,this.pipeline=null,this.byteLength=byteLengthWritable||byteLength||defaultByteLength,this.map=mapWritable||map,this.afterWrite=afterWrite.bind(this),this.afterUpdateNextTick=updateWriteNT.bind(this)}get ended(){return 0!=(this.stream._duplexState&WRITE_DONE)}push(data){return(null!==this.map&&(data=this.map(data)),this.buffered+=this.byteLength(data),this.queue.push(data),this.buffered<this.highWaterMark)?(this.stream._duplexState|=WRITE_QUEUED,!0):(this.stream._duplexState|=WRITE_QUEUED_AND_UNDRAINED,!1)}shift(){const data=this.queue.shift(),stream=this.stream;return this.buffered-=this.byteLength(data),0===this.buffered&&(stream._duplexState&=WRITE_NOT_QUEUED),data}end(data){"function"==typeof data?this.stream.once("finish",data):data!==void 0&&null!==data&&this.push(data),this.stream._duplexState=(this.stream._duplexState|WRITE_FINISHING)&WRITE_NON_PRIMARY}autoBatch(data,cb){const buffer=[],stream=this.stream;for(buffer.push(data);(stream._duplexState&WRITE_STATUS)===WRITE_QUEUED_AND_ACTIVE;)buffer.push(stream._writableState.shift());return 0==(stream._duplexState&OPEN_STATUS)?void stream._writev(buffer,cb):cb(null)}update(){const stream=this.stream;for(;(stream._duplexState&WRITE_STATUS)===WRITE_QUEUED;){const data=this.shift();stream._duplexState|=WRITE_ACTIVE_AND_SYNC,stream._write(data,this.afterWrite),stream._duplexState&=WRITE_NOT_SYNC}0==(stream._duplexState&WRITE_PRIMARY_AND_ACTIVE)&&this.updateNonPrimary()}updateNonPrimary(){const stream=this.stream;return(stream._duplexState&WRITE_FINISHING_STATUS)===WRITE_FINISHING?(stream._duplexState=(stream._duplexState|WRITE_ACTIVE)&WRITE_NOT_FINISHING,void stream._final(afterFinal.bind(this))):(stream._duplexState&DESTROY_STATUS)===DESTROYING?void(0==(stream._duplexState&ACTIVE_OR_TICKING)&&(stream._duplexState|=ACTIVE,stream._destroy(afterDestroy.bind(this)))):void((stream._duplexState&IS_OPENING)===OPENING&&(stream._duplexState=(stream._duplexState|ACTIVE)&NOT_OPENING,stream._open(afterOpen.bind(this))))}updateNextTick(){0!=(this.stream._duplexState&WRITE_NEXT_TICK)||(this.stream._duplexState|=WRITE_NEXT_TICK,queueTick(this.afterUpdateNextTick))}}class ReadableState{constructor(stream,{highWaterMark=16384,map=null,mapReadable,byteLength,byteLengthReadable}={}){this.stream=stream,this.queue=new FIFO,this.highWaterMark=highWaterMark,this.buffered=0,this.error=null,this.pipeline=null,this.byteLength=byteLengthReadable||byteLength||defaultByteLength,this.map=mapReadable||map,this.pipeTo=null,this.afterRead=afterRead.bind(this),this.afterUpdateNextTick=updateReadNT.bind(this)}get ended(){return 0!=(this.stream._duplexState&READ_DONE)}pipe(pipeTo,cb){if(null!==this.pipeTo)throw new Error("Can only pipe to one destination");if("function"!=typeof cb&&(cb=null),this.stream._duplexState|=READ_PIPE_DRAINED,this.pipeTo=pipeTo,this.pipeline=new Pipeline(this.stream,pipeTo,cb),cb&&this.stream.on("error",noop),isStreamx(pipeTo))pipeTo._writableState.pipeline=this.pipeline,cb&&pipeTo.on("error",noop),pipeTo.on("finish",this.pipeline.finished.bind(this.pipeline));else{const onerror=this.pipeline.done.bind(this.pipeline,pipeTo),onclose=this.pipeline.done.bind(this.pipeline,pipeTo,null);pipeTo.on("error",onerror),pipeTo.on("close",onclose),pipeTo.on("finish",this.pipeline.finished.bind(this.pipeline))}pipeTo.on("drain",afterDrain.bind(this)),this.stream.emit("piping",pipeTo),pipeTo.emit("pipe",this.stream)}push(data){const stream=this.stream;return null===data?(this.highWaterMark=0,stream._duplexState=(stream._duplexState|READ_ENDING)&READ_NON_PRIMARY_AND_PUSHED,!1):(null!==this.map&&(data=this.map(data)),this.buffered+=this.byteLength(data),this.queue.push(data),stream._duplexState=(stream._duplexState|READ_QUEUED)&READ_PUSHED,this.buffered<this.highWaterMark)}shift(){const data=this.queue.shift();return this.buffered-=this.byteLength(data),0===this.buffered&&(this.stream._duplexState&=READ_NOT_QUEUED),data}unshift(data){let tail;const pending=[];for(;(tail=this.queue.shift())!==void 0;)pending.push(tail);this.push(data);for(let i=0;i<pending.length;i++)this.queue.push(pending[i])}read(){const stream=this.stream;if((stream._duplexState&READ_STATUS)===READ_QUEUED){const data=this.shift();return null!==this.pipeTo&&!1===this.pipeTo.write(data)&&(stream._duplexState&=READ_PIPE_NOT_DRAINED),0!=(stream._duplexState&READ_EMIT_DATA)&&stream.emit("data",data),data}return null}drain(){for(const stream=this.stream;(stream._duplexState&READ_STATUS)===READ_QUEUED&&0!=(stream._duplexState&READ_FLOWING);){const data=this.shift();null!==this.pipeTo&&!1===this.pipeTo.write(data)&&(stream._duplexState&=READ_PIPE_NOT_DRAINED),0!=(stream._duplexState&READ_EMIT_DATA)&&stream.emit("data",data)}}update(){const stream=this.stream;for(this.drain();this.buffered<this.highWaterMark&&0==(stream._duplexState&SHOULD_NOT_READ);)stream._duplexState|=READ_ACTIVE_AND_SYNC_AND_NEEDS_PUSH,stream._read(this.afterRead),stream._duplexState&=READ_NOT_SYNC,0==(stream._duplexState&READ_ACTIVE)&&this.drain();(stream._duplexState&READ_READABLE_STATUS)===READ_EMIT_READABLE_AND_QUEUED&&(stream._duplexState|=READ_EMITTED_READABLE,stream.emit("readable")),0==(stream._duplexState&READ_PRIMARY_AND_ACTIVE)&&this.updateNonPrimary()}updateNonPrimary(){const stream=this.stream;return(stream._duplexState&READ_ENDING_STATUS)===READ_ENDING&&(stream._duplexState=(stream._duplexState|READ_DONE)&READ_NOT_ENDING,stream.emit("end"),(stream._duplexState&AUTO_DESTROY)===DONE&&(stream._duplexState|=DESTROYING),null!==this.pipeTo&&this.pipeTo.end()),(stream._duplexState&DESTROY_STATUS)===DESTROYING?void(0==(stream._duplexState&ACTIVE_OR_TICKING)&&(stream._duplexState|=ACTIVE,stream._destroy(afterDestroy.bind(this)))):void((stream._duplexState&IS_OPENING)===OPENING&&(stream._duplexState=(stream._duplexState|ACTIVE)&NOT_OPENING,stream._open(afterOpen.bind(this))))}updateNextTick(){0!=(this.stream._duplexState&READ_NEXT_TICK)||(this.stream._duplexState|=READ_NEXT_TICK,queueTick(this.afterUpdateNextTick))}}class TransformState{constructor(stream){this.data=null,this.afterTransform=afterTransform.bind(stream),this.afterFinal=null}}class Pipeline{constructor(src,dst,cb){this.from=src,this.to=dst,this.afterPipe=cb,this.error=null,this.pipeToFinished=!1}finished(){this.pipeToFinished=!0}done(stream,err){return err&&(this.error=err),stream===this.to&&(this.to=null,null!==this.from)?void(0!=(this.from._duplexState&READ_DONE)&&this.pipeToFinished||this.from.destroy(this.error||new Error("Writable stream closed prematurely"))):stream===this.from&&(this.from=null,null!==this.to)?void(0==(stream._duplexState&READ_DONE)&&this.to.destroy(this.error||new Error("Readable stream closed before ending"))):void(null!==this.afterPipe&&this.afterPipe(this.error),this.to=this.from=this.afterPipe=null)}}class Stream extends EventEmitter{constructor(opts){super(),this._duplexState=0,this._readableState=null,this._writableState=null,opts&&(opts.open&&(this._open=opts.open),opts.destroy&&(this._destroy=opts.destroy),opts.predestroy&&(this._predestroy=opts.predestroy),opts.signal&&opts.signal.addEventListener("abort",abort.bind(this)))}_open(cb){cb(null)}_destroy(cb){cb(null)}_predestroy(){}get readable(){return null!==this._readableState||void 0}get writable(){return null!==this._writableState||void 0}get destroyed(){return 0!=(this._duplexState&DESTROYED)}get destroying(){return 0!=(this._duplexState&DESTROY_STATUS)}destroy(err){0==(this._duplexState&DESTROY_STATUS)&&(!err&&(err=STREAM_DESTROYED),this._duplexState=(this._duplexState|DESTROYING)&NON_PRIMARY,null!==this._readableState&&(this._readableState.error=err,this._readableState.updateNextTick()),null!==this._writableState&&(this._writableState.error=err,this._writableState.updateNextTick()),this._predestroy())}on(name,fn){return null!==this._readableState&&("data"===name&&(this._duplexState|=READ_EMIT_DATA|READ_RESUMED,this._readableState.updateNextTick()),"readable"===name&&(this._duplexState|=READ_EMIT_READABLE,this._readableState.updateNextTick())),null!==this._writableState&&"drain"===name&&(this._duplexState|=WRITE_EMIT_DRAIN,this._writableState.updateNextTick()),super.on(name,fn)}}class Readable extends Stream{constructor(opts){super(opts),this._duplexState|=OPENING|WRITE_DONE,this._readableState=new ReadableState(this,opts),opts&&(opts.read&&(this._read=opts.read),opts.eagerOpen&&this.resume().pause())}_read(cb){cb(null)}pipe(dest,cb){return this._readableState.pipe(dest,cb),this._readableState.updateNextTick(),dest}read(){return this._readableState.updateNextTick(),this._readableState.read()}push(data){return this._readableState.updateNextTick(),this._readableState.push(data)}unshift(data){return this._readableState.updateNextTick(),this._readableState.unshift(data)}resume(){return this._duplexState|=READ_RESUMED,this._readableState.updateNextTick(),this}pause(){return this._duplexState&=READ_PAUSED,this}static _fromAsyncIterator(ite,opts){function push(data){data.done?rs.push(null):rs.push(data.value)}let destroy;const rs=new Readable({...opts,read(cb){ite.next().then(push).then(cb.bind(null,null)).catch(cb)},predestroy(){destroy=ite.return()},destroy(cb){return destroy?void destroy.then(cb.bind(null,null)).catch(cb):cb(null)}});return rs}static from(data,opts){if(isReadStreamx(data))return data;if(data[asyncIterator])return this._fromAsyncIterator(data[asyncIterator](),opts);Array.isArray(data)||(data=data===void 0?[]:[data]);let i=0;return new Readable({...opts,read(cb){this.push(i===data.length?null:data[i++]),cb(null)}})}static isBackpressured(rs){return 0!=(rs._duplexState&READ_BACKPRESSURE_STATUS)||rs._readableState.buffered>=rs._readableState.highWaterMark}static isPaused(rs){return 0==(rs._duplexState&READ_RESUMED)}[asyncIterator](){function onreadable(){null!==promiseResolve&&ondata(stream.read())}function onclose(){null!==promiseResolve&&ondata(null)}function ondata(data){null===promiseReject||(error?promiseReject(error):null===data&&0==(stream._duplexState&READ_DONE)?promiseReject(STREAM_DESTROYED):promiseResolve({value:data,done:null==data}),promiseReject=promiseResolve=null)}function destroy(err){return stream.destroy(err),new Promise((resolve,reject)=>stream._duplexState&DESTROYED?resolve({value:void 0,done:!0}):void stream.once("close",function(){err?reject(err):resolve({value:void 0,done:!0})}))}const stream=this;let error=null,promiseResolve=null,promiseReject=null;return this.on("error",err=>{error=err}),this.on("readable",onreadable),this.on("close",onclose),{[asyncIterator](){return this},next(){return new Promise(function(resolve,reject){promiseResolve=resolve,promiseReject=reject;const data=stream.read();null===data?0!=(stream._duplexState&DESTROYED)&&ondata(null):ondata(data)})},return(){return destroy(null)},throw(err){return destroy(err)}}}}class Writable extends Stream{constructor(opts){super(opts),this._duplexState|=OPENING|READ_DONE,this._writableState=new WritableState(this,opts),opts&&(opts.writev&&(this._writev=opts.writev),opts.write&&(this._write=opts.write),opts.final&&(this._final=opts.final))}_writev(batch,cb){cb(null)}_write(data,cb){this._writableState.autoBatch(data,cb)}_final(cb){cb(null)}static isBackpressured(ws){return 0!=(ws._duplexState&WRITE_BACKPRESSURE_STATUS)}write(data){return this._writableState.updateNextTick(),this._writableState.push(data)}end(data){return this._writableState.updateNextTick(),this._writableState.end(data),this}}class Duplex extends Readable{constructor(opts){super(opts),this._duplexState=OPENING,this._writableState=new WritableState(this,opts),opts&&(opts.writev&&(this._writev=opts.writev),opts.write&&(this._write=opts.write),opts.final&&(this._final=opts.final))}_writev(batch,cb){cb(null)}_write(data,cb){this._writableState.autoBatch(data,cb)}_final(cb){cb(null)}write(data){return this._writableState.updateNextTick(),this._writableState.push(data)}end(data){return this._writableState.updateNextTick(),this._writableState.end(data),this}}class Transform extends Duplex{constructor(opts){super(opts),this._transformState=new TransformState(this),opts&&(opts.transform&&(this._transform=opts.transform),opts.flush&&(this._flush=opts.flush))}_write(data,cb){this._readableState.buffered>=this._readableState.highWaterMark?this._transformState.data=data:this._transform(data,this._transformState.afterTransform)}_read(cb){if(null!==this._transformState.data){const data=this._transformState.data;this._transformState.data=null,cb(null),this._transform(data,this._transformState.afterTransform)}else cb(null)}_transform(data,cb){cb(null,data)}_flush(cb){cb(null)}_final(cb){this._transformState.afterFinal=cb,this._flush(transformAfterFlush.bind(this))}}class PassThrough extends Transform{}module.exports={pipeline,pipelinePromise,isStream,isStreamx,Stream,Writable,Readable,Duplex,Transform,PassThrough}},{events:156,"fast-fifo":160,"queue-tick":260}],320:[function(require,module,exports){(function(Buffer){(function(){const addrToIPPort=require("addr-to-ip-port"),ipaddr=require("ipaddr.js");module.exports=addrs=>("string"==typeof addrs&&(addrs=[addrs]),Buffer.concat(addrs.map(addr=>{const s=addrToIPPort(addr);if(2!==s.length)throw new Error("invalid address format, expecting: 10.10.10.5:128");const ip=ipaddr.parse(s[0]),ipBuf=Buffer.from(ip.toByteArray()),port=s[1],portBuf=Buffer.allocUnsafe(2);return portBuf.writeUInt16BE(port,0),Buffer.concat([ipBuf,portBuf])}))),module.exports.multi=module.exports,module.exports.multi6=module.exports}).call(this)}).call(this,require("buffer").Buffer)},{"addr-to-ip-port":16,buffer:101,"ipaddr.js":191}],321:[function(require,module,exports){arguments[4][96][0].apply(exports,arguments)},{dup:96,"safe-buffer":290}],322:[function(require,module,exports){var base32=require("./thirty-two");exports.encode=base32.encode,exports.decode=base32.decode},{"./thirty-two":323}],323:[function(require,module,exports){(function(Buffer){(function(){"use strict";function quintetCount(buff){var quintets=_Mathfloor(buff.length/5);return 0==buff.length%5?quintets:quintets+1}var charTable="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",byteTable=[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];exports.encode=function(plain){Buffer.isBuffer(plain)||(plain=new Buffer(plain));for(var i=0,j=0,shiftIndex=0,digit=0,encoded=new Buffer(8*quintetCount(plain));i<plain.length;){var current=plain[i];3<shiftIndex?(digit=current&255>>shiftIndex,shiftIndex=(shiftIndex+5)%8,digit=digit<<shiftIndex|(i+1<plain.length?plain[i+1]:0)>>8-shiftIndex,i++):(digit=31¤t>>8-(shiftIndex+5),shiftIndex=(shiftIndex+5)%8,0===shiftIndex&&i++),encoded[j]="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567".charCodeAt(digit),j++}for(i=j;i<encoded.length;i++)encoded[i]=61;return encoded},exports.decode=function(encoded){var shiftIndex=0,plainDigit=0,plainPos=0,plainChar;Buffer.isBuffer(encoded)||(encoded=new Buffer(encoded));for(var decoded=new Buffer(_Mathceil(5*encoded.length/8)),i=0;i<encoded.length&&!(61===encoded[i]);i++){var encodedByte=encoded[i]-48;if(encodedByte<byteTable.length)plainDigit=byteTable[encodedByte],3>=shiftIndex?(shiftIndex=(shiftIndex+5)%8,0===shiftIndex?(plainChar|=plainDigit,decoded[plainPos]=plainChar,plainPos++,plainChar=0):plainChar|=255&plainDigit<<8-shiftIndex):(shiftIndex=(shiftIndex+5)%8,plainChar|=255&plainDigit>>>shiftIndex,decoded[plainPos]=plainChar,plainPos++,plainChar=255&plainDigit<<8-shiftIndex);else throw new Error("Invalid input - it is not base32 encoded string")}return decoded.slice(0,plainPos)}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:101}],324:[function(require,module,exports){function getTick(start){return 65535&(+Date.now()-start)/timeDiff}const maxTick=65535,resolution=10,timeDiff=1e3/resolution;module.exports=function(seconds){const start=+Date.now(),size=resolution*(seconds||5),buffer=[0];let pointer=1,last=getTick(start)-1&maxTick;return function(delta){const tick=getTick(start);let dist=tick-last&maxTick;for(dist>size&&(dist=size),last=tick;dist--;)pointer===size&&(pointer=0),buffer[pointer]=buffer[0===pointer?size-1:pointer-1],pointer++;delta&&(buffer[pointer-1]+=delta);const top=buffer[pointer-1],btm=buffer.length<size?0:buffer[pointer===size?0:pointer];return buffer.length<resolution?top:(top-btm)*resolution/buffer.length}}},{}],325:[function(require,module,exports){(function(setImmediate,clearImmediate){(function(){function Timeout(id,clearFn){this._id=id,this._clearFn=clearFn}var nextTick=require("process/browser.js").nextTick,apply=Function.prototype.apply,slice=Array.prototype.slice,immediateIds={},nextImmediateId=0;exports.setTimeout=function(){return new Timeout(apply.call(setTimeout,window,arguments),clearTimeout)},exports.setInterval=function(){return new Timeout(apply.call(setInterval,window,arguments),clearInterval)},exports.clearTimeout=exports.clearInterval=function(timeout){timeout.close()},Timeout.prototype.unref=Timeout.prototype.ref=function(){},Timeout.prototype.close=function(){this._clearFn.call(window,this._id)},exports.enroll=function(item,msecs){clearTimeout(item._idleTimeoutId),item._idleTimeout=msecs},exports.unenroll=function(item){clearTimeout(item._idleTimeoutId),item._idleTimeout=-1},exports._unrefActive=exports.active=function(item){clearTimeout(item._idleTimeoutId);var msecs=item._idleTimeout;0<=msecs&&(item._idleTimeoutId=setTimeout(function onTimeout(){item._onTimeout&&item._onTimeout()},msecs))},exports.setImmediate="function"==typeof setImmediate?setImmediate:function(fn){var id=nextImmediateId++,args=!(2>arguments.length)&&slice.call(arguments,1);return immediateIds[id]=!0,nextTick(function onNextTick(){immediateIds[id]&&(args?fn.apply(null,args):fn.call(null),exports.clearImmediate(id))}),id},exports.clearImmediate="function"==typeof clearImmediate?clearImmediate:function(id){delete immediateIds[id]}}).call(this)}).call(this,require("timers").setImmediate,require("timers").clearImmediate)},{"process/browser.js":246,timers:325}],326:[function(require,module,exports){var Buffer=require("buffer").Buffer;module.exports=function(buf){if(buf instanceof Uint8Array){if(0===buf.byteOffset&&buf.byteLength===buf.buffer.byteLength)return buf.buffer;if("function"==typeof buf.buffer.slice)return buf.buffer.slice(buf.byteOffset,buf.byteOffset+buf.byteLength)}if(Buffer.isBuffer(buf)){for(var arrayCopy=new Uint8Array(buf.length),len=buf.length,i=0;i<len;i++)arrayCopy[i]=buf[i];return arrayCopy.buffer}throw new Error("Argument must be a Buffer")}},{buffer:101}],327:[function(require,module,exports){(function(process){(function(){/*! torrent-discovery. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const debug=require("debug")("torrent-discovery"),DHT=require("bittorrent-dht/client"),EventEmitter=require("events").EventEmitter,parallel=require("run-parallel"),Tracker=require("bittorrent-tracker/client"),LSD=require("bittorrent-lsd");class Discovery extends EventEmitter{constructor(opts){if(super(),!opts.peerId)throw new Error("Option `peerId` is required");if(!opts.infoHash)throw new Error("Option `infoHash` is required");if(!process.browser&&!opts.port)throw new Error("Option `port` is required");this.peerId="string"==typeof opts.peerId?opts.peerId:opts.peerId.toString("hex"),this.infoHash="string"==typeof opts.infoHash?opts.infoHash.toLowerCase():opts.infoHash.toString("hex"),this._port=opts.port,this._userAgent=opts.userAgent,this.destroyed=!1,this._announce=opts.announce||[],this._intervalMs=opts.intervalMs||900000,this._trackerOpts=null,this._dhtAnnouncing=!1,this._dhtTimeout=!1,this._internalDHT=!1,this._onWarning=err=>{this.emit("warning",err)},this._onError=err=>{this.emit("error",err)},this._onDHTPeer=(peer,infoHash)=>{infoHash.toString("hex")!==this.infoHash||this.emit("peer",`${peer.host}:${peer.port}`,"dht")},this._onTrackerPeer=peer=>{this.emit("peer",peer,"tracker")},this._onTrackerAnnounce=()=>{this.emit("trackerAnnounce")},this._onLSDPeer=(peer,infoHash)=>{this.emit("peer",peer,"lsd")};const createDHT=(port,opts)=>{const dht=new DHT(opts);return dht.on("warning",this._onWarning),dht.on("error",this._onError),dht.listen(port),this._internalDHT=!0,dht};!1===opts.tracker?this.tracker=null:opts.tracker&&"object"==typeof opts.tracker?(this._trackerOpts=Object.assign({},opts.tracker),this.tracker=this._createTracker()):this.tracker=this._createTracker(),this.dht=!1===opts.dht||"function"!=typeof DHT?null:opts.dht&&"function"==typeof opts.dht.addNode?opts.dht:opts.dht&&"object"==typeof opts.dht?createDHT(opts.dhtPort,opts.dht):createDHT(opts.dhtPort),this.dht&&(this.dht.on("peer",this._onDHTPeer),this._dhtAnnounce()),this.lsd=!1===opts.lsd||"function"!=typeof LSD?null:this._createLSD()}updatePort(port){port===this._port||(this._port=port,this.dht&&this._dhtAnnounce(),this.tracker&&(this.tracker.stop(),this.tracker.destroy(()=>{this.tracker=this._createTracker()})))}complete(opts){this.tracker&&this.tracker.complete(opts)}destroy(cb){if(!this.destroyed){this.destroyed=!0,clearTimeout(this._dhtTimeout);const tasks=[];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),tasks.push(cb=>{this.tracker.destroy(cb)})),this.dht&&this.dht.removeListener("peer",this._onDHTPeer),this._internalDHT&&(this.dht.removeListener("warning",this._onWarning),this.dht.removeListener("error",this._onError),tasks.push(cb=>{this.dht.destroy(cb)})),this.lsd&&(this.lsd.removeListener("warning",this._onWarning),this.lsd.removeListener("error",this._onError),this.lsd.removeListener("peer",this._onLSDPeer),tasks.push(cb=>{this.lsd.destroy(cb)})),parallel(tasks,cb),this.dht=null,this.tracker=null,this.lsd=null,this._announce=null}}_createTracker(){const opts=Object.assign({},this._trackerOpts,{infoHash:this.infoHash,announce:this._announce,peerId:this.peerId,port:this._port,userAgent:this._userAgent}),tracker=new Tracker(opts);return tracker.on("warning",this._onWarning),tracker.on("error",this._onError),tracker.on("peer",this._onTrackerPeer),tracker.on("update",this._onTrackerAnnounce),tracker.setInterval(this._intervalMs),tracker.start(),tracker}_dhtAnnounce(){this._dhtAnnouncing||(debug("dht announce"),this._dhtAnnouncing=!0,clearTimeout(this._dhtTimeout),this.dht.announce(this.infoHash,this._port,err=>{this._dhtAnnouncing=!1,debug("dht announce complete"),err&&this.emit("warning",err),this.emit("dhtAnnounce"),this.destroyed||(this._dhtTimeout=setTimeout(()=>{this._dhtAnnounce()},this._intervalMs+_Mathfloor(Math.random()*this._intervalMs/5)),this._dhtTimeout.unref&&this._dhtTimeout.unref())}))}_createLSD(){const opts=Object.assign({},{infoHash:this.infoHash,peerId:this.peerId,port:this._port}),lsd=new LSD(opts);return lsd.on("warning",this._onWarning),lsd.on("error",this._onError),lsd.on("peer",this._onLSDPeer),lsd.start(),lsd}}module.exports=Discovery}).call(this)}).call(this,require("_process"))},{_process:246,"bittorrent-dht/client":52,"bittorrent-lsd":53,"bittorrent-tracker/client":55,debug:122,events:156,"run-parallel":287}],328:[function(require,module,exports){(function(Buffer){(function(){/*! torrent-piece. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const BLOCK_LENGTH=16384;class Piece{constructor(length){this.length=length,this.missing=length,this.sources=null,this._chunks=_Mathceil(length/BLOCK_LENGTH),this._remainder=length%BLOCK_LENGTH||BLOCK_LENGTH,this._buffered=0,this._buffer=null,this._cancellations=null,this._reservations=0,this._flushed=!1}chunkLength(i){return i===this._chunks-1?this._remainder:BLOCK_LENGTH}chunkLengthRemaining(i){return this.length-i*BLOCK_LENGTH}chunkOffset(i){return i*BLOCK_LENGTH}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._cancellations.length||this._reservations<this._chunks){let min=this._reservations;for(;this._cancellations.length;)min=_Mathmin(min,this._cancellations.pop());return this._reservations=this._chunks,min}return-1}cancel(i){this.init()&&this._cancellations.push(i)}cancelRemaining(i){this.init()&&(this._reservations=i)}get(i){return this.init()?this._buffer[i]:null}set(i,data,source){if(!this.init())return!1;const len=data.length,blocks=_Mathceil(len/BLOCK_LENGTH);for(let j=0;j<blocks;j++)if(!this._buffer[i+j]){const offset=j*BLOCK_LENGTH,splitData=data.slice(offset,offset+BLOCK_LENGTH);this._buffered++,this._buffer[i+j]=splitData,this.missing-=splitData.length,this.sources.includes(source)||this.sources.push(source)}return this._buffered===this._chunks}flush(){if(!this._buffer||this._chunks!==this._buffered)return null;const buffer=Buffer.concat(this._buffer,this.length);return this._buffer=null,this._cancellations=null,this.sources=null,this._flushed=!0,buffer}init(){return!this._flushed&&(!!this._buffer||(this._buffer=Array(this._chunks),this._cancellations=[],this.sources=[],!0))}}Object.defineProperty(Piece,"BLOCK_LENGTH",{value:16384}),module.exports=Piece}).call(this)}).call(this,require("buffer").Buffer)},{buffer:101}],329:[function(require,module,exports){var bufferAlloc=require("buffer-alloc"),UINT_32_MAX=_Mathpow(2,32);exports.encodingLength=function(){return 8},exports.encode=function(num,buf,offset){buf||(buf=bufferAlloc(8)),offset||(offset=0);var top=_Mathfloor(num/UINT_32_MAX),rem=num-top*UINT_32_MAX;return buf.writeUInt32BE(top,offset),buf.writeUInt32BE(rem,offset+4),buf},exports.decode=function(buf,offset){offset||(offset=0);var top=buf.readUInt32BE(offset),rem=buf.readUInt32BE(offset+4);return top*UINT_32_MAX+rem},exports.encode.bytes=8,exports.decode.bytes=8},{"buffer-alloc":98}],330:[function(require,module,exports){function remove(arr,i){if(!(i>=arr.length||0>i)){var last=arr.pop();if(i<arr.length){var tmp=arr[i];return arr[i]=last,tmp}return last}}module.exports=remove},{}],331:[function(require,module,exports){"use strict";function Url(){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 urlParse(url,parseQueryString,slashesDenoteHost){if(url&&util.isObject(url)&&url instanceof Url)return url;var u=new Url;return u.parse(url,parseQueryString,slashesDenoteHost),u}function urlFormat(obj){return util.isString(obj)&&(obj=urlParse(obj)),obj instanceof Url?obj.format():Url.prototype.format.call(obj)}function urlResolve(source,relative){return urlParse(source,!1,!0).resolve(relative)}function urlResolveObject(source,relative){return source?urlParse(source,!1,!0).resolveObject(relative):relative}var punycode=require("punycode"),util=require("./util");exports.parse=urlParse,exports.resolve=urlResolve,exports.resolveObject=urlResolveObject,exports.format=urlFormat,exports.Url=Url;var protocolPattern=/^([a-z0-9.+-]+:)/i,portPattern=/:[0-9]*$/,simplePathPattern=/^(\/\/?(?!\/)[^\?\s]*)(\?[^\s]*)?$/,delims=["<",">","\"","`"," ","\r","\n","\t"],unwise=["{","}","|","\\","^","`"].concat(delims),autoEscape=["'"].concat(unwise),nonHostChars=["%","/","?",";","#"].concat(autoEscape),hostEndingChars=["/","?","#"],hostnameMaxLen=255,hostnamePartPattern=/^[+a-z0-9A-Z_-]{0,63}$/,hostnamePartStart=/^([+a-z0-9A-Z_-]{0,63})(.*)$/,unsafeProtocol={javascript:!0,"javascript:":!0},hostlessProtocol={javascript:!0,"javascript:":!0},slashedProtocol={http:!0,https:!0,ftp:!0,gopher:!0,file:!0,"http:":!0,"https:":!0,"ftp:":!0,"gopher:":!0,"file:":!0},querystring=require("querystring");Url.prototype.parse=function(url,parseQueryString,slashesDenoteHost){if(!util.isString(url))throw new TypeError("Parameter 'url' must be a string, not "+typeof url);var queryIndex=url.indexOf("?"),splitter=-1!==queryIndex&&queryIndex<url.indexOf("#")?"?":"#",uSplit=url.split(splitter),slashRegex=/\\/g;uSplit[0]=uSplit[0].replace(slashRegex,"/"),url=uSplit.join(splitter);var rest=url;if(rest=rest.trim(),!slashesDenoteHost&&1===url.split("#").length){var simplePath=simplePathPattern.exec(rest);if(simplePath)return this.path=rest,this.href=rest,this.pathname=simplePath[1],simplePath[2]?(this.search=simplePath[2],this.query=parseQueryString?querystring.parse(this.search.substr(1)):this.search.substr(1)):parseQueryString&&(this.search="",this.query={}),this}var proto=protocolPattern.exec(rest);if(proto){proto=proto[0];var lowerProto=proto.toLowerCase();this.protocol=lowerProto,rest=rest.substr(proto.length)}if(slashesDenoteHost||proto||rest.match(/^\/\/[^@\/]+@[^@\/]+/)){var slashes="//"===rest.substr(0,2);slashes&&!(proto&&hostlessProtocol[proto])&&(rest=rest.substr(2),this.slashes=!0)}if(!hostlessProtocol[proto]&&(slashes||proto&&!slashedProtocol[proto])){for(var hostEnd=-1,i=0,hec;i<hostEndingChars.length;i++)hec=rest.indexOf(hostEndingChars[i]),-1!==hec&&(-1===hostEnd||hec<hostEnd)&&(hostEnd=hec);var auth,atSign;atSign=-1===hostEnd?rest.lastIndexOf("@"):rest.lastIndexOf("@",hostEnd),-1!==atSign&&(auth=rest.slice(0,atSign),rest=rest.slice(atSign+1),this.auth=decodeURIComponent(auth)),hostEnd=-1;for(var i=0,hec;i<nonHostChars.length;i++)hec=rest.indexOf(nonHostChars[i]),-1!==hec&&(-1===hostEnd||hec<hostEnd)&&(hostEnd=hec);-1===hostEnd&&(hostEnd=rest.length),this.host=rest.slice(0,hostEnd),rest=rest.slice(hostEnd),this.parseHost(),this.hostname=this.hostname||"";var ipv6Hostname="["===this.hostname[0]&&"]"===this.hostname[this.hostname.length-1];if(!ipv6Hostname)for(var hostparts=this.hostname.split(/\./),i=0,l=hostparts.length,part;i<l;i++)if(part=hostparts[i],part&&!part.match(hostnamePartPattern)){for(var newpart="",j=0,k=part.length;j<k;j++)newpart+=127<part.charCodeAt(j)?"x":part[j];if(!newpart.match(hostnamePartPattern)){var validParts=hostparts.slice(0,i),notHost=hostparts.slice(i+1),bit=part.match(hostnamePartStart);bit&&(validParts.push(bit[1]),notHost.unshift(bit[2])),notHost.length&&(rest="/"+notHost.join(".")+rest),this.hostname=validParts.join(".");break}}this.hostname=255<this.hostname.length?"":this.hostname.toLowerCase(),ipv6Hostname||(this.hostname=punycode.toASCII(this.hostname));var p=this.port?":"+this.port:"",h=this.hostname||"";this.host=h+p,this.href+=this.host,ipv6Hostname&&(this.hostname=this.hostname.substr(1,this.hostname.length-2),"/"!==rest[0]&&(rest="/"+rest))}if(!unsafeProtocol[lowerProto])for(var i=0,l=autoEscape.length,ae;i<l;i++)if(ae=autoEscape[i],-1!==rest.indexOf(ae)){var esc=encodeURIComponent(ae);esc===ae&&(esc=escape(ae)),rest=rest.split(ae).join(esc)}var hash=rest.indexOf("#");-1!==hash&&(this.hash=rest.substr(hash),rest=rest.slice(0,hash));var qm=rest.indexOf("?");if(-1===qm?parseQueryString&&(this.search="",this.query={}):(this.search=rest.substr(qm),this.query=rest.substr(qm+1),parseQueryString&&(this.query=querystring.parse(this.query)),rest=rest.slice(0,qm)),rest&&(this.pathname=rest),slashedProtocol[lowerProto]&&this.hostname&&!this.pathname&&(this.pathname="/"),this.pathname||this.search){var p=this.pathname||"",s=this.search||"";this.path=p+s}return this.href=this.format(),this},Url.prototype.format=function(){var auth=this.auth||"";auth&&(auth=encodeURIComponent(auth),auth=auth.replace(/%3A/i,":"),auth+="@");var protocol=this.protocol||"",pathname=this.pathname||"",hash=this.hash||"",host=!1,query="";this.host?host=auth+this.host:this.hostname&&(host=auth+(-1===this.hostname.indexOf(":")?this.hostname:"["+this.hostname+"]"),this.port&&(host+=":"+this.port)),this.query&&util.isObject(this.query)&&Object.keys(this.query).length&&(query=querystring.stringify(this.query));var search=this.search||query&&"?"+query||"";return protocol&&":"!==protocol.substr(-1)&&(protocol+=":"),this.slashes||(!protocol||slashedProtocol[protocol])&&!1!==host?(host="//"+(host||""),pathname&&"/"!==pathname.charAt(0)&&(pathname="/"+pathname)):!host&&(host=""),hash&&"#"!==hash.charAt(0)&&(hash="#"+hash),search&&"?"!==search.charAt(0)&&(search="?"+search),pathname=pathname.replace(/[?#]/g,function(match){return encodeURIComponent(match)}),search=search.replace("#","%23"),protocol+host+pathname+search+hash},Url.prototype.resolve=function(relative){return this.resolveObject(urlParse(relative,!1,!0)).format()},Url.prototype.resolveObject=function(relative){if(util.isString(relative)){var rel=new Url;rel.parse(relative,!1,!0),relative=rel}for(var result=new Url,tkeys=Object.keys(this),tk=0,tkey;tk<tkeys.length;tk++)tkey=tkeys[tk],result[tkey]=this[tkey];if(result.hash=relative.hash,""===relative.href)return result.href=result.format(),result;if(relative.slashes&&!relative.protocol){for(var rkeys=Object.keys(relative),rk=0,rkey;rk<rkeys.length;rk++)rkey=rkeys[rk],"protocol"!==rkey&&(result[rkey]=relative[rkey]);return slashedProtocol[result.protocol]&&result.hostname&&!result.pathname&&(result.path=result.pathname="/"),result.href=result.format(),result}if(relative.protocol&&relative.protocol!==result.protocol){if(!slashedProtocol[relative.protocol]){for(var keys=Object.keys(relative),v=0,k;v<keys.length;v++)k=keys[v],result[k]=relative[k];return result.href=result.format(),result}if(result.protocol=relative.protocol,!relative.host&&!hostlessProtocol[relative.protocol]){for(var relPath=(relative.pathname||"").split("/");relPath.length&&!(relative.host=relPath.shift()););relative.host||(relative.host=""),relative.hostname||(relative.hostname=""),""!==relPath[0]&&relPath.unshift(""),2>relPath.length&&relPath.unshift(""),result.pathname=relPath.join("/")}else result.pathname=relative.pathname;if(result.search=relative.search,result.query=relative.query,result.host=relative.host||"",result.auth=relative.auth,result.hostname=relative.hostname||relative.host,result.port=relative.port,result.pathname||result.search){var p=result.pathname||"",s=result.search||"";result.path=p+s}return result.slashes=result.slashes||relative.slashes,result.href=result.format(),result}var isSourceAbs=result.pathname&&"/"===result.pathname.charAt(0),isRelAbs=relative.host||relative.pathname&&"/"===relative.pathname.charAt(0),mustEndAbs=isRelAbs||isSourceAbs||result.host&&relative.pathname,removeAllDots=mustEndAbs,srcPath=result.pathname&&result.pathname.split("/")||[],relPath=relative.pathname&&relative.pathname.split("/")||[],psychotic=result.protocol&&!slashedProtocol[result.protocol];if(psychotic&&(result.hostname="",result.port=null,result.host&&(""===srcPath[0]?srcPath[0]=result.host:srcPath.unshift(result.host)),result.host="",relative.protocol&&(relative.hostname=null,relative.port=null,relative.host&&(""===relPath[0]?relPath[0]=relative.host:relPath.unshift(relative.host)),relative.host=null),mustEndAbs=mustEndAbs&&(""===relPath[0]||""===srcPath[0])),isRelAbs)result.host=relative.host||""===relative.host?relative.host:result.host,result.hostname=relative.hostname||""===relative.hostname?relative.hostname:result.hostname,result.search=relative.search,result.query=relative.query,srcPath=relPath;else if(relPath.length)srcPath||(srcPath=[]),srcPath.pop(),srcPath=srcPath.concat(relPath),result.search=relative.search,result.query=relative.query;else if(!util.isNullOrUndefined(relative.search)){if(psychotic){result.hostname=result.host=srcPath.shift();var authInHost=!!(result.host&&0<result.host.indexOf("@"))&&result.host.split("@");authInHost&&(result.auth=authInHost.shift(),result.host=result.hostname=authInHost.shift())}return result.search=relative.search,result.query=relative.query,util.isNull(result.pathname)&&util.isNull(result.search)||(result.path=(result.pathname?result.pathname:"")+(result.search?result.search:"")),result.href=result.format(),result}if(!srcPath.length)return result.pathname=null,result.path=result.search?"/"+result.search:null,result.href=result.format(),result;for(var last=srcPath.slice(-1)[0],hasTrailingSlash=(result.host||relative.host||1<srcPath.length)&&("."===last||".."===last)||""===last,up=0,i=srcPath.length;0<=i;i--)last=srcPath[i],"."===last?srcPath.splice(i,1):".."===last?(srcPath.splice(i,1),up++):up&&(srcPath.splice(i,1),up--);if(!mustEndAbs&&!removeAllDots)for(;up--;up)srcPath.unshift("..");mustEndAbs&&""!==srcPath[0]&&(!srcPath[0]||"/"!==srcPath[0].charAt(0))&&srcPath.unshift(""),hasTrailingSlash&&"/"!==srcPath.join("/").substr(-1)&&srcPath.push("");var isAbsolute=""===srcPath[0]||srcPath[0]&&"/"===srcPath[0].charAt(0);if(psychotic){result.hostname=result.host=isAbsolute?"":srcPath.length?srcPath.shift():"";var authInHost=!!(result.host&&0<result.host.indexOf("@"))&&result.host.split("@");authInHost&&(result.auth=authInHost.shift(),result.host=result.hostname=authInHost.shift())}return mustEndAbs=mustEndAbs||result.host&&srcPath.length,mustEndAbs&&!isAbsolute&&srcPath.unshift(""),srcPath.length?result.pathname=srcPath.join("/"):(result.pathname=null,result.path=null),util.isNull(result.pathname)&&util.isNull(result.search)||(result.path=(result.pathname?result.pathname:"")+(result.search?result.search:"")),result.auth=relative.auth||result.auth,result.slashes=result.slashes||relative.slashes,result.href=result.format(),result},Url.prototype.parseHost=function(){var host=this.host,port=portPattern.exec(host);port&&(port=port[0],":"!==port&&(this.port=port.substr(1)),host=host.substr(0,host.length-port.length)),host&&(this.hostname=host)}},{"./util":332,punycode:255,querystring:258}],332:[function(require,module,exports){"use strict";module.exports={isString:function(arg){return"string"==typeof arg},isObject:function(arg){return"object"==typeof arg&&null!==arg},isNull:function(arg){return null===arg},isNullOrUndefined:function(arg){return null==arg}}},{}],333:[function(require,module,exports){(function(Buffer){(function(){/*! ut_metadata. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const{EventEmitter}=require("events"),bencode=require("bencode"),BitField=require("bitfield").default,debug=require("debug")("ut_metadata"),sha1=require("simple-sha1"),MAX_METADATA_SIZE=1E7,BITFIELD_GROW=1E3,PIECE_LENGTH=16384;module.exports=metadata=>{class utMetadata extends EventEmitter{constructor(wire){super(),this._wire=wire,this._fetching=!1,this._metadataComplete=!1,this._metadataSize=null,this._remainingRejects=null,this._bitfield=new BitField(0,{grow:BITFIELD_GROW}),Buffer.isBuffer(metadata)&&this.setMetadata(metadata)}onHandshake(infoHash,peerId,extensions){this._infoHash=infoHash}onExtendedHandshake(handshake){return handshake.m&&handshake.m.ut_metadata?handshake.metadata_size?"number"!=typeof handshake.metadata_size||MAX_METADATA_SIZE<handshake.metadata_size||0>=handshake.metadata_size?this.emit("warning",new Error("Peer gave invalid metadata size")):void(this._metadataSize=handshake.metadata_size,this._numPieces=_Mathceil(this._metadataSize/PIECE_LENGTH),this._remainingRejects=2*this._numPieces,this._requestPieces()):this.emit("warning",new Error("Peer does not have metadata")):this.emit("warning",new Error("Peer does not support ut_metadata"))}onMessage(buf){let dict,trailer;try{const str=buf.toString(),trailerIndex=str.indexOf("ee")+2;dict=bencode.decode(str.substring(0,trailerIndex)),trailer=buf.slice(trailerIndex)}catch(err){return}switch(dict.msg_type){case 0:this._onRequest(dict.piece);break;case 1:this._onData(dict.piece,trailer,dict.total_size);break;case 2:this._onReject(dict.piece);}}fetch(){this._metadataComplete||(this._fetching=!0,this._metadataSize&&this._requestPieces())}cancel(){this._fetching=!1}setMetadata(metadata){if(this._metadataComplete)return!0;debug("set metadata");try{const info=bencode.decode(metadata).info;info&&(metadata=bencode.encode(info))}catch(err){}return!(this._infoHash&&this._infoHash!==sha1.sync(metadata))&&(this.cancel(),this.metadata=metadata,this._metadataComplete=!0,this._metadataSize=this.metadata.length,this._wire.extendedHandshake.metadata_size=this._metadataSize,this.emit("metadata",bencode.encode({info:bencode.decode(this.metadata)})),!0)}_send(dict,trailer){let buf=bencode.encode(dict);Buffer.isBuffer(trailer)&&(buf=Buffer.concat([buf,trailer])),this._wire.extended("ut_metadata",buf)}_request(piece){this._send({msg_type:0,piece})}_data(piece,buf,totalSize){const msg={msg_type:1,piece};"number"==typeof totalSize&&(msg.total_size=totalSize),this._send(msg,buf)}_reject(piece){this._send({msg_type:2,piece})}_onRequest(piece){if(!this._metadataComplete)return void this._reject(piece);const start=piece*PIECE_LENGTH;let end=start+PIECE_LENGTH;end>this._metadataSize&&(end=this._metadataSize);const buf=this.metadata.slice(start,end);this._data(piece,buf,this._metadataSize)}_onData(piece,buf,totalSize){buf.length>PIECE_LENGTH||!this._fetching||(buf.copy(this.metadata,piece*PIECE_LENGTH),this._bitfield.set(piece),this._checkDone())}_onReject(piece){0<this._remainingRejects&&this._fetching?(this._request(piece),this._remainingRejects-=1):this.emit("warning",new Error("Peer sent \"reject\" too much"))}_requestPieces(){if(this._fetching){this.metadata=Buffer.alloc(this._metadataSize);for(let piece=0;piece<this._numPieces;piece++)this._request(piece)}}_checkDone(){let done=!0;for(let piece=0;piece<this._numPieces;piece++)if(!this._bitfield.get(piece)){done=!1;break}if(done){const success=this.setMetadata(this.metadata);success||this._failedMetadata()}}_failedMetadata(){this._bitfield=new BitField(0,{grow:BITFIELD_GROW}),this._remainingRejects-=this._numPieces,0<this._remainingRejects?this._requestPieces():this.emit("warning",new Error("Peer sent invalid metadata"))}}return utMetadata.prototype.name="ut_metadata",utMetadata}}).call(this)}).call(this,require("buffer").Buffer)},{bencode:47,bitfield:51,buffer:101,debug:122,events:156,"simple-sha1":303}],334:[function(require,module,exports){(function(Buffer){(function(){/*! ut_pex. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const EventEmitter=require("events").EventEmitter,compact2string=require("compact2string"),string2compact=require("string2compact"),bencode=require("bencode"),PEX_INTERVAL=65e3,PEX_MAX_PEERS=50,PEX_MIN_ALLOWED_INTERVAL=6e4,FLAGS={prefersEncryption:1,isSender:2,supportsUtp:4,supportsUtHolepunch:8,isReachable:16};module.exports=()=>{class utPex extends EventEmitter{constructor(wire){super(),this._wire=wire,this._intervalId=null,this._lastMessageTimestamp=0,this.reset()}start(){clearInterval(this._intervalId),this._intervalId=setInterval(()=>this._sendMessage(),PEX_INTERVAL),this._intervalId.unref&&this._intervalId.unref()}stop(){clearInterval(this._intervalId),this._intervalId=null}reset(){this._remoteAddedPeers={},this._remoteDroppedPeers={},this._localAddedPeers={},this._localDroppedPeers={},this.stop()}addPeer(peer,flags={}){this._addPeer(peer,this._encodeFlags(flags),4)}addPeer6(peer,flags={}){this._addPeer(peer,this._encodeFlags(flags),6)}_addPeer(peer,flags,version){!peer.includes(":")||peer in this._remoteAddedPeers||(peer in this._localDroppedPeers&&delete this._localDroppedPeers[peer],this._localAddedPeers[peer]={ip:version,flags:flags})}dropPeer(peer){this._dropPeer(peer,4)}dropPeer6(peer){this._dropPeer(peer,6)}_dropPeer(peer,version){!peer.includes(":")||peer in this._remoteDroppedPeers||(peer in this._localAddedPeers&&delete this._localAddedPeers[peer],this._localDroppedPeers[peer]={ip:version})}onExtendedHandshake(handshake){if(!handshake.m||!handshake.m.ut_pex)return this.emit("warning",new Error("Peer does not support ut_pex"))}onMessage(buf){const currentMessageTimestamp=Date.now();if(currentMessageTimestamp-this._lastMessageTimestamp<PEX_MIN_ALLOWED_INTERVAL)return this.reset(),this._wire.destroy(),this.emit("warning",new Error("Peer disconnected for sending PEX messages too frequently"));this._lastMessageTimestamp=currentMessageTimestamp;let message;try{message=bencode.decode(buf),message.added&&compact2string.multi(message.added).forEach((peer,idx)=>{if(delete this._remoteDroppedPeers[peer],!(peer in this._remoteAddedPeers)){const flags=message["added.f"][idx];this._remoteAddedPeers[peer]={ip:4,flags:flags},this.emit("peer",peer,this._decodeFlags(flags))}}),message.added6&&compact2string.multi6(message.added6).forEach((peer,idx)=>{if(delete this._remoteDroppedPeers[peer],!(peer in this._remoteAddedPeers)){const flags=message["added6.f"][idx];this._remoteAddedPeers[peer]={ip:6,flags:flags},this.emit("peer",peer,this._decodeFlags(flags))}}),message.dropped&&compact2string.multi(message.dropped).forEach(peer=>{delete this._remoteAddedPeers[peer],peer in this._remoteDroppedPeers||(this._remoteDroppedPeers[peer]={ip:4},this.emit("dropped",peer))}),message.dropped6&&compact2string.multi6(message.dropped6).forEach(peer=>{delete this._remoteAddedPeers[peer],peer in this._remoteDroppedPeers||(this._remoteDroppedPeers[peer]={ip:6},this.emit("dropped",peer))})}catch(err){}}_decodeFlags(flags){return{prefersEncryption:!!(flags&FLAGS.prefersEncryption),isSender:!!(flags&FLAGS.isSender),supportsUtp:!!(flags&FLAGS.supportsUtp),supportsUtHolepunch:!!(flags&FLAGS.supportsUtHolepunch),isReachable:!!(flags&FLAGS.isReachable)}}_encodeFlags(flags){return Object.keys(flags).reduce((acc,cur)=>!0===flags[cur]?acc|FLAGS[cur]:acc,0)}_sendMessage(){const localAdded=Object.keys(this._localAddedPeers).slice(0,PEX_MAX_PEERS),localDropped=Object.keys(this._localDroppedPeers).slice(0,PEX_MAX_PEERS),_isIPv4=(peers,addr)=>4===peers[addr].ip,_isIPv6=(peers,addr)=>6===peers[addr].ip,_flags=(peers,addr)=>peers[addr].flags,added=string2compact(localAdded.filter(k=>_isIPv4(this._localAddedPeers,k))),added6=string2compact(localAdded.filter(k=>_isIPv6(this._localAddedPeers,k))),dropped=string2compact(localDropped.filter(k=>_isIPv4(this._localDroppedPeers,k))),dropped6=string2compact(localDropped.filter(k=>_isIPv6(this._localDroppedPeers,k))),addedFlags=Buffer.from(localAdded.filter(k=>_isIPv4(this._localAddedPeers,k)).map(k=>_flags(this._localAddedPeers,k))),added6Flags=Buffer.from(localAdded.filter(k=>_isIPv6(this._localAddedPeers,k)).map(k=>_flags(this._localAddedPeers,k)));localAdded.forEach(peer=>delete this._localAddedPeers[peer]),localDropped.forEach(peer=>delete this._localDroppedPeers[peer]),this._wire.extended("ut_pex",{added:added,"added.f":addedFlags,dropped:dropped,added6:added6,"added6.f":added6Flags,dropped6:dropped6})}}return utPex.prototype.name="ut_pex",utPex}}).call(this)}).call(this,require("buffer").Buffer)},{bencode:47,buffer:101,compact2string:112,events:156,string2compact:320}],335:[function(require,module,exports){(function(global){(function(){function deprecate(fn,msg){function deprecated(){if(!warned){if(config("throwDeprecation"))throw new Error(msg);else config("traceDeprecation")?console.trace(msg):console.warn(msg);warned=!0}return fn.apply(this,arguments)}if(config("noDeprecation"))return fn;var warned=!1;return deprecated}function config(name){try{if(!global.localStorage)return!1}catch(_){return!1}var val=global.localStorage[name];return null!=val&&"true"===(val+"").toLowerCase()}module.exports=deprecate}).call(this)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{}],336:[function(require,module,exports){arguments[4][34][0].apply(exports,arguments)},{dup:34}],337:[function(require,module,exports){"use strict";function uncurryThis(f){return f.call.bind(f)}function checkBoxedPrimitive(value,prototypeValueOf){if("object"!=typeof value)return!1;try{return prototypeValueOf(value),!0}catch(e){return!1}}function isPromise(input){return"undefined"!=typeof Promise&&input instanceof Promise||null!==input&&"object"==typeof input&&"function"==typeof input.then&&"function"==typeof input.catch}function isArrayBufferView(value){return"undefined"!=typeof ArrayBuffer&&ArrayBuffer.isView?ArrayBuffer.isView(value):isTypedArray(value)||isDataView(value)}function isUint8Array(value){return"Uint8Array"===whichTypedArray(value)}function isUint8ClampedArray(value){return"Uint8ClampedArray"===whichTypedArray(value)}function isUint16Array(value){return"Uint16Array"===whichTypedArray(value)}function isUint32Array(value){return"Uint32Array"===whichTypedArray(value)}function isInt8Array(value){return"Int8Array"===whichTypedArray(value)}function isInt16Array(value){return"Int16Array"===whichTypedArray(value)}function isInt32Array(value){return"Int32Array"===whichTypedArray(value)}function isFloat32Array(value){return"Float32Array"===whichTypedArray(value)}function isFloat64Array(value){return"Float64Array"===whichTypedArray(value)}function isBigInt64Array(value){return"BigInt64Array"===whichTypedArray(value)}function isBigUint64Array(value){return"BigUint64Array"===whichTypedArray(value)}function isMapToString(value){return"[object Map]"===ObjectToString(value)}function isMap(value){return"undefined"!=typeof Map&&(isMapToString.working?isMapToString(value):value instanceof Map)}function isSetToString(value){return"[object Set]"===ObjectToString(value)}function isSet(value){return"undefined"!=typeof Set&&(isSetToString.working?isSetToString(value):value instanceof Set)}function isWeakMapToString(value){return"[object WeakMap]"===ObjectToString(value)}function isWeakMap(value){return"undefined"!=typeof WeakMap&&(isWeakMapToString.working?isWeakMapToString(value):value instanceof WeakMap)}function isWeakSetToString(value){return"[object WeakSet]"===ObjectToString(value)}function isWeakSet(value){return isWeakSetToString(value)}function isArrayBufferToString(value){return"[object ArrayBuffer]"===ObjectToString(value)}function isArrayBuffer(value){return"undefined"!=typeof ArrayBuffer&&(isArrayBufferToString.working?isArrayBufferToString(value):value instanceof ArrayBuffer)}function isDataViewToString(value){return"[object DataView]"===ObjectToString(value)}function isDataView(value){return"undefined"!=typeof DataView&&(isDataViewToString.working?isDataViewToString(value):value instanceof DataView)}function isSharedArrayBufferToString(value){return"[object SharedArrayBuffer]"===ObjectToString(value)}function isSharedArrayBuffer(value){return"undefined"!=typeof SharedArrayBufferCopy&&("undefined"==typeof isSharedArrayBufferToString.working&&(isSharedArrayBufferToString.working=isSharedArrayBufferToString(new SharedArrayBufferCopy)),isSharedArrayBufferToString.working?isSharedArrayBufferToString(value):value instanceof SharedArrayBufferCopy)}function isAsyncFunction(value){return"[object AsyncFunction]"===ObjectToString(value)}function isMapIterator(value){return"[object Map Iterator]"===ObjectToString(value)}function isSetIterator(value){return"[object Set Iterator]"===ObjectToString(value)}function isGeneratorObject(value){return"[object Generator]"===ObjectToString(value)}function isWebAssemblyCompiledModule(value){return"[object WebAssembly.Module]"===ObjectToString(value)}function isNumberObject(value){return checkBoxedPrimitive(value,numberValue)}function isStringObject(value){return checkBoxedPrimitive(value,stringValue)}function isBooleanObject(value){return checkBoxedPrimitive(value,booleanValue)}function isBigIntObject(value){return BigIntSupported&&checkBoxedPrimitive(value,bigIntValue)}function isSymbolObject(value){return SymbolSupported&&checkBoxedPrimitive(value,symbolValue)}function isBoxedPrimitive(value){return isNumberObject(value)||isStringObject(value)||isBooleanObject(value)||isBigIntObject(value)||isSymbolObject(value)}function isAnyArrayBuffer(value){return"undefined"!=typeof Uint8Array&&(isArrayBuffer(value)||isSharedArrayBuffer(value))}var isArgumentsObject=require("is-arguments"),isGeneratorFunction=require("is-generator-function"),whichTypedArray=require("which-typed-array"),isTypedArray=require("is-typed-array"),BigIntSupported="undefined"!=typeof BigInt,SymbolSupported="undefined"!=typeof Symbol,ObjectToString=uncurryThis(Object.prototype.toString),numberValue=uncurryThis(Number.prototype.valueOf),stringValue=uncurryThis(_Stringprototype.valueOf),booleanValue=uncurryThis(Boolean.prototype.valueOf);if(BigIntSupported)var bigIntValue=uncurryThis(BigInt.prototype.valueOf);if(SymbolSupported)var symbolValue=uncurryThis(Symbol.prototype.valueOf);exports.isArgumentsObject=isArgumentsObject,exports.isGeneratorFunction=isGeneratorFunction,exports.isTypedArray=isTypedArray,exports.isPromise=isPromise,exports.isArrayBufferView=isArrayBufferView,exports.isUint8Array=isUint8Array,exports.isUint8ClampedArray=isUint8ClampedArray,exports.isUint16Array=isUint16Array,exports.isUint32Array=isUint32Array,exports.isInt8Array=isInt8Array,exports.isInt16Array=isInt16Array,exports.isInt32Array=isInt32Array,exports.isFloat32Array=isFloat32Array,exports.isFloat64Array=isFloat64Array,exports.isBigInt64Array=isBigInt64Array,exports.isBigUint64Array=isBigUint64Array,isMapToString.working="undefined"!=typeof Map&&isMapToString(new Map),exports.isMap=isMap,isSetToString.working="undefined"!=typeof Set&&isSetToString(new Set),exports.isSet=isSet,isWeakMapToString.working="undefined"!=typeof WeakMap&&isWeakMapToString(new WeakMap),exports.isWeakMap=isWeakMap,isWeakSetToString.working="undefined"!=typeof WeakSet&&isWeakSetToString(new WeakSet),exports.isWeakSet=isWeakSet,isArrayBufferToString.working="undefined"!=typeof ArrayBuffer&&isArrayBufferToString(new ArrayBuffer),exports.isArrayBuffer=isArrayBuffer,isDataViewToString.working="undefined"!=typeof ArrayBuffer&&"undefined"!=typeof DataView&&isDataViewToString(new DataView(new ArrayBuffer(1),0,1)),exports.isDataView=isDataView;var SharedArrayBufferCopy="undefined"==typeof SharedArrayBuffer?void 0:SharedArrayBuffer;exports.isSharedArrayBuffer=isSharedArrayBuffer,exports.isAsyncFunction=isAsyncFunction,exports.isMapIterator=isMapIterator,exports.isSetIterator=isSetIterator,exports.isGeneratorObject=isGeneratorObject,exports.isWebAssemblyCompiledModule=isWebAssemblyCompiledModule,exports.isNumberObject=isNumberObject,exports.isStringObject=isStringObject,exports.isBooleanObject=isBooleanObject,exports.isBigIntObject=isBigIntObject,exports.isSymbolObject=isSymbolObject,exports.isBoxedPrimitive=isBoxedPrimitive,exports.isAnyArrayBuffer=isAnyArrayBuffer,["isProxy","isExternal","isModuleNamespaceObject"].forEach(function(method){Object.defineProperty(exports,method,{enumerable:!1,value:function(){throw new Error(method+" is not supported in userland")}})})},{"is-arguments":192,"is-generator-function":196,"is-typed-array":197,"which-typed-array":341}],338:[function(require,module,exports){(function(process){(function(){function inspect(obj,opts){var ctx={seen:[],stylize:stylizeNoColor};return 3<=arguments.length&&(ctx.depth=arguments[2]),4<=arguments.length&&(ctx.colors=arguments[3]),isBoolean(opts)?ctx.showHidden=opts:opts&&exports._extend(ctx,opts),isUndefined(ctx.showHidden)&&(ctx.showHidden=!1),isUndefined(ctx.depth)&&(ctx.depth=2),isUndefined(ctx.colors)&&(ctx.colors=!1),isUndefined(ctx.customInspect)&&(ctx.customInspect=!0),ctx.colors&&(ctx.stylize=stylizeWithColor),formatValue(ctx,obj,ctx.depth)}function stylizeWithColor(str,styleType){var style=inspect.styles[styleType];return style?"\x1B["+inspect.colors[style][0]+"m"+str+"\x1B["+inspect.colors[style][1]+"m":str}function stylizeNoColor(str,styleType){return str}function arrayToHash(array){var hash={};return array.forEach(function(val,idx){hash[val]=!0}),hash}function formatValue(ctx,value,recurseTimes){if(ctx.customInspect&&value&&isFunction(value.inspect)&&value.inspect!==exports.inspect&&!(value.constructor&&value.constructor.prototype===value)){var ret=value.inspect(recurseTimes,ctx);return isString(ret)||(ret=formatValue(ctx,ret,recurseTimes)),ret}var primitive=formatPrimitive(ctx,value);if(primitive)return primitive;var keys=Object.keys(value),visibleKeys=arrayToHash(keys);if(ctx.showHidden&&(keys=Object.getOwnPropertyNames(value)),isError(value)&&(0<=keys.indexOf("message")||0<=keys.indexOf("description")))return formatError(value);if(0===keys.length){if(isFunction(value)){var name=value.name?": "+value.name:"";return ctx.stylize("[Function"+name+"]","special")}if(isRegExp(value))return ctx.stylize(RegExp.prototype.toString.call(value),"regexp");if(isDate(value))return ctx.stylize(Date.prototype.toString.call(value),"date");if(isError(value))return formatError(value)}var base="",array=!1,braces=["{","}"];if(isArray(value)&&(array=!0,braces=["[","]"]),isFunction(value)){var n=value.name?": "+value.name:"";base=" [Function"+n+"]"}if(isRegExp(value)&&(base=" "+RegExp.prototype.toString.call(value)),isDate(value)&&(base=" "+Date.prototype.toUTCString.call(value)),isError(value)&&(base=" "+formatError(value)),0===keys.length&&(!array||0==value.length))return braces[0]+base+braces[1];if(0>recurseTimes)return isRegExp(value)?ctx.stylize(RegExp.prototype.toString.call(value),"regexp"):ctx.stylize("[Object]","special");ctx.seen.push(value);var output;return output=array?formatArray(ctx,value,recurseTimes,visibleKeys,keys):keys.map(function(key){return formatProperty(ctx,value,recurseTimes,visibleKeys,key,array)}),ctx.seen.pop(),reduceToSingleString(output,base,braces)}function formatPrimitive(ctx,value){if(isUndefined(value))return ctx.stylize("undefined","undefined");if(isString(value)){var simple="'"+JSON.stringify(value).replace(/^"|"$/g,"").replace(/'/g,"\\'").replace(/\\"/g,"\"")+"'";return ctx.stylize(simple,"string")}return isNumber(value)?ctx.stylize(""+value,"number"):isBoolean(value)?ctx.stylize(""+value,"boolean"):isNull(value)?ctx.stylize("null","null"):void 0}function formatError(value){return"["+Error.prototype.toString.call(value)+"]"}function formatArray(ctx,value,recurseTimes,visibleKeys,keys){for(var output=[],i=0,l=value.length;i<l;++i)hasOwnProperty(value,i+"")?output.push(formatProperty(ctx,value,recurseTimes,visibleKeys,i+"",!0)):output.push("");return keys.forEach(function(key){key.match(/^\d+$/)||output.push(formatProperty(ctx,value,recurseTimes,visibleKeys,key,!0))}),output}function formatProperty(ctx,value,recurseTimes,visibleKeys,key,array){var name,str,desc;if(desc=Object.getOwnPropertyDescriptor(value,key)||{value:value[key]},desc.get?desc.set?str=ctx.stylize("[Getter/Setter]","special"):str=ctx.stylize("[Getter]","special"):desc.set&&(str=ctx.stylize("[Setter]","special")),hasOwnProperty(visibleKeys,key)||(name="["+key+"]"),str||(0>ctx.seen.indexOf(desc.value)?(str=isNull(recurseTimes)?formatValue(ctx,desc.value,null):formatValue(ctx,desc.value,recurseTimes-1),-1<str.indexOf("\n")&&(array?str=str.split("\n").map(function(line){return" "+line}).join("\n").substr(2):str="\n"+str.split("\n").map(function(line){return" "+line}).join("\n"))):str=ctx.stylize("[Circular]","special")),isUndefined(name)){if(array&&key.match(/^\d+$/))return str;name=JSON.stringify(""+key),name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)?(name=name.substr(1,name.length-2),name=ctx.stylize(name,"name")):(name=name.replace(/'/g,"\\'").replace(/\\"/g,"\"").replace(/(^"|"$)/g,"'"),name=ctx.stylize(name,"string"))}return name+": "+str}function reduceToSingleString(output,base,braces){var numLinesEst=0,length=output.reduce(function(prev,cur){return numLinesEst++,0<=cur.indexOf("\n")&&numLinesEst++,prev+cur.replace(/\u001b\[\d\d?m/g,"").length+1},0);return 60<length?braces[0]+(""===base?"":base+"\n ")+" "+output.join(",\n ")+" "+braces[1]:braces[0]+base+" "+output.join(", ")+" "+braces[1]}function isArray(ar){return Array.isArray(ar)}function isBoolean(arg){return"boolean"==typeof arg}function isNull(arg){return null===arg}function isNullOrUndefined(arg){return null==arg}function isNumber(arg){return"number"==typeof arg}function isString(arg){return"string"==typeof arg}function isSymbol(arg){return"symbol"==typeof arg}function isUndefined(arg){return void 0===arg}function isRegExp(re){return isObject(re)&&"[object RegExp]"===objectToString(re)}function isObject(arg){return"object"==typeof arg&&null!==arg}function isDate(d){return isObject(d)&&"[object Date]"===objectToString(d)}function isError(e){return isObject(e)&&("[object Error]"===objectToString(e)||e instanceof Error)}function isFunction(arg){return"function"==typeof arg}function isPrimitive(arg){return null===arg||"boolean"==typeof arg||"number"==typeof arg||"string"==typeof arg||"symbol"==typeof arg||"undefined"==typeof arg}function objectToString(o){return Object.prototype.toString.call(o)}function pad(n){return 10>n?"0"+n.toString(10):n.toString(10)}function timestamp(){var d=new Date,time=[pad(d.getHours()),pad(d.getMinutes()),pad(d.getSeconds())].join(":");return[d.getDate(),months[d.getMonth()],time].join(" ")}function hasOwnProperty(obj,prop){return Object.prototype.hasOwnProperty.call(obj,prop)}function callbackifyOnRejected(reason,cb){if(!reason){var newReason=new Error("Promise was rejected with a falsy value");newReason.reason=reason,reason=newReason}return cb(reason)}function callbackify(original){function callbackified(){for(var args=[],i=0;i<arguments.length;i++)args.push(arguments[i]);var maybeCb=args.pop();if("function"!=typeof maybeCb)throw new TypeError("The last argument must be of type Function");var self=this,cb=function(){return maybeCb.apply(self,arguments)};original.apply(this,args).then(function(ret){process.nextTick(cb.bind(null,null,ret))},function(rej){process.nextTick(callbackifyOnRejected.bind(null,rej,cb))})}if("function"!=typeof original)throw new TypeError("The \"original\" argument must be of type Function");return Object.setPrototypeOf(callbackified,Object.getPrototypeOf(original)),Object.defineProperties(callbackified,getOwnPropertyDescriptors(original)),callbackified}var getOwnPropertyDescriptors=Object.getOwnPropertyDescriptors||function getOwnPropertyDescriptors(obj){for(var keys=Object.keys(obj),descriptors={},i=0;i<keys.length;i++)descriptors[keys[i]]=Object.getOwnPropertyDescriptor(obj,keys[i]);return descriptors},formatRegExp=/%[sdj%]/g;exports.format=function(f){if(!isString(f)){for(var objects=[],i=0;i<arguments.length;i++)objects.push(inspect(arguments[i]));return objects.join(" ")}for(var i=1,args=arguments,len=args.length,str=(f+"").replace(formatRegExp,function(x){if("%%"===x)return"%";if(i>=len)return x;switch(x){case"%s":return args[i++]+"";case"%d":return+args[i++];case"%j":try{return JSON.stringify(args[i++])}catch(_){return"[Circular]"}default:return x;}}),x=args[i];i<len;x=args[++i])str+=isNull(x)||!isObject(x)?" "+x:" "+inspect(x);return str},exports.deprecate=function(fn,msg){function deprecated(){if(!warned){if(process.throwDeprecation)throw new Error(msg);else process.traceDeprecation?console.trace(msg):console.error(msg);warned=!0}return fn.apply(this,arguments)}if("undefined"!=typeof process&&!0===process.noDeprecation)return fn;if("undefined"==typeof process)return function(){return exports.deprecate(fn,msg).apply(this,arguments)};var warned=!1;return deprecated};var debugs={},debugEnvRegex=/^$/;if(process.env.NODE_DEBUG){var debugEnv=process.env.NODE_DEBUG;debugEnv=debugEnv.replace(/[|\\{}()[\]^$+?.]/g,"\\$&").replace(/\*/g,".*").replace(/,/g,"$|^").toUpperCase(),debugEnvRegex=new RegExp("^"+debugEnv+"$","i")}exports.debuglog=function(set){if(set=set.toUpperCase(),!debugs[set])if(debugEnvRegex.test(set)){var pid=process.pid;debugs[set]=function(){var msg=exports.format.apply(exports,arguments);console.error("%s %d: %s",set,pid,msg)}}else debugs[set]=function(){};return debugs[set]},exports.inspect=inspect,inspect.colors={bold:[1,22],italic:[3,23],underline:[4,24],inverse:[7,27],white:[37,39],grey:[90,39],black:[30,39],blue:[34,39],cyan:[36,39],green:[32,39],magenta:[35,39],red:[31,39],yellow:[33,39]},inspect.styles={special:"cyan",number:"yellow",boolean:"yellow",undefined:"grey",null:"bold",string:"green",date:"magenta",regexp:"red"},exports.types=require("./support/types"),exports.isArray=isArray,exports.isBoolean=isBoolean,exports.isNull=isNull,exports.isNullOrUndefined=isNullOrUndefined,exports.isNumber=isNumber,exports.isString=isString,exports.isSymbol=isSymbol,exports.isUndefined=isUndefined,exports.isRegExp=isRegExp,exports.types.isRegExp=isRegExp,exports.isObject=isObject,exports.isDate=isDate,exports.types.isDate=isDate,exports.isError=isError,exports.types.isNativeError=isError,exports.isFunction=isFunction,exports.isPrimitive=isPrimitive,exports.isBuffer=require("./support/isBuffer");var months=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];exports.log=function(){console.log("%s - %s",timestamp(),exports.format.apply(exports,arguments))},exports.inherits=require("inherits"),exports._extend=function(origin,add){if(!add||!isObject(add))return origin;for(var keys=Object.keys(add),i=keys.length;i--;)origin[keys[i]]=add[keys[i]];return origin};var kCustomPromisifiedSymbol="undefined"==typeof Symbol?void 0:Symbol("util.promisify.custom");exports.promisify=function promisify(original){function fn(){for(var promise=new Promise(function(resolve,reject){promiseResolve=resolve,promiseReject=reject}),args=[],i=0,promiseResolve,promiseReject;i<arguments.length;i++)args.push(arguments[i]);args.push(function(err,value){err?promiseReject(err):promiseResolve(value)});try{original.apply(this,args)}catch(err){promiseReject(err)}return promise}if("function"!=typeof original)throw new TypeError("The \"original\" argument must be of type Function");if(kCustomPromisifiedSymbol&&original[kCustomPromisifiedSymbol]){var fn=original[kCustomPromisifiedSymbol];if("function"!=typeof fn)throw new TypeError("The \"util.promisify.custom\" argument must be of type Function");return Object.defineProperty(fn,kCustomPromisifiedSymbol,{value:fn,enumerable:!1,writable:!1,configurable:!0}),fn}return Object.setPrototypeOf(fn,Object.getPrototypeOf(original)),kCustomPromisifiedSymbol&&Object.defineProperty(fn,kCustomPromisifiedSymbol,{value:fn,enumerable:!1,writable:!1,configurable:!0}),Object.defineProperties(fn,getOwnPropertyDescriptors(original))},exports.promisify.custom=kCustomPromisifiedSymbol,exports.callbackify=callbackify}).call(this)}).call(this,require("_process"))},{"./support/isBuffer":336,"./support/types":337,_process:246,inherits:190}],339:[function(require,module,exports){(function(Buffer){(function(){function empty(){return{version:0,flags:0,entries:[]}}const bs=require("binary-search"),EventEmitter=require("events"),mp4=require("mp4-stream"),Box=require("mp4-box-encoding"),RangeSliceStream=require("range-slice-stream"),FIND_MOOV_SEEK_SIZE=4096;class MP4Remuxer extends EventEmitter{constructor(file){super(),this._tracks=[],this._file=file,this._decoder=null,this._findMoov(0)}_findMoov(offset){this._decoder&&this._decoder.destroy();let toSkip=0;this._decoder=mp4.decode();const fileStream=this._file.createReadStream({start:offset});fileStream.pipe(this._decoder);const boxHandler=headers=>{"moov"===headers.type?(this._decoder.removeListener("box",boxHandler),this._decoder.decode(moov=>{fileStream.destroy();try{this._processMoov(moov)}catch(err){err.message=`Cannot parse mp4 file: ${err.message}`,this.emit("error",err)}})):headers.length<FIND_MOOV_SEEK_SIZE?(toSkip+=headers.length,this._decoder.ignore()):(this._decoder.removeListener("box",boxHandler),toSkip+=headers.length,fileStream.destroy(),this._decoder.destroy(),this._findMoov(offset+toSkip))};this._decoder.on("box",boxHandler)}_processMoov(moov){const traks=moov.traks;this._tracks=[],this._hasVideo=!1,this._hasAudio=!1;for(let i=0;i<traks.length;i++){const trak=traks[i],stbl=trak.mdia.minf.stbl,stsdEntry=stbl.stsd.entries[0],handlerType=trak.mdia.hdlr.handlerType;let codec,mime;if("vide"===handlerType&&"avc1"===stsdEntry.type){if(this._hasVideo)continue;this._hasVideo=!0,codec="avc1",stsdEntry.avcC&&(codec+=`.${stsdEntry.avcC.mimeCodec}`),mime=`video/mp4; codecs="${codec}"`}else if("soun"===handlerType&&"mp4a"===stsdEntry.type){if(this._hasAudio)continue;this._hasAudio=!0,codec="mp4a",stsdEntry.esds&&stsdEntry.esds.mimeCodec&&(codec+=`.${stsdEntry.esds.mimeCodec}`),mime=`audio/mp4; codecs="${codec}"`}else continue;const samples=[];let sample=0,sampleInChunk=0,chunk=0,offsetInChunk=0,sampleToChunkIndex=0,dts=0;const decodingTimeEntry=new RunLengthIndex(stbl.stts.entries);let presentationOffsetEntry=null;stbl.ctts&&(presentationOffsetEntry=new RunLengthIndex(stbl.ctts.entries));for(let syncSampleIndex=0;!0;){var currChunkEntry=stbl.stsc.entries[sampleToChunkIndex];const size=stbl.stsz.entries[sample],duration=decodingTimeEntry.value.duration,presentationOffset=presentationOffsetEntry?presentationOffsetEntry.value.compositionOffset:0;let sync=!0;stbl.stss&&(sync=stbl.stss.entries[syncSampleIndex]===sample+1);const chunkOffsetTable=stbl.stco||stbl.co64;if(samples.push({size,duration,dts,presentationOffset,sync,offset:offsetInChunk+chunkOffsetTable.entries[chunk]}),sample++,sample>=stbl.stsz.entries.length)break;if(sampleInChunk++,offsetInChunk+=size,sampleInChunk>=currChunkEntry.samplesPerChunk){sampleInChunk=0,offsetInChunk=0,chunk++;const nextChunkEntry=stbl.stsc.entries[sampleToChunkIndex+1];nextChunkEntry&&chunk+1>=nextChunkEntry.firstChunk&&sampleToChunkIndex++}dts+=duration,decodingTimeEntry.inc(),presentationOffsetEntry&&presentationOffsetEntry.inc(),sync&&syncSampleIndex++}trak.mdia.mdhd.duration=0,trak.tkhd.duration=0;const defaultSampleDescriptionIndex=currChunkEntry.sampleDescriptionId,trackMoov={type:"moov",mvhd:moov.mvhd,traks:[{tkhd:trak.tkhd,mdia:{mdhd:trak.mdia.mdhd,hdlr:trak.mdia.hdlr,elng:trak.mdia.elng,minf:{vmhd:trak.mdia.minf.vmhd,smhd:trak.mdia.minf.smhd,dinf:trak.mdia.minf.dinf,stbl:{stsd:stbl.stsd,stts:empty(),ctts:empty(),stsc:empty(),stsz:empty(),stco:empty(),stss:empty()}}}}],mvex:{mehd:{fragmentDuration:moov.mvhd.duration},trexs:[{trackId:trak.tkhd.trackId,defaultSampleDescriptionIndex,defaultSampleDuration:0,defaultSampleSize:0,defaultSampleFlags:0}]}};this._tracks.push({fragmentSequence:1,trackId:trak.tkhd.trackId,timeScale:trak.mdia.mdhd.timeScale,samples,currSample:null,currTime:null,moov:trackMoov,mime})}if(0===this._tracks.length)return void this.emit("error",new Error("no playable tracks"));moov.mvhd.duration=0,this._ftyp={type:"ftyp",brand:"iso5",brandVersion:0,compatibleBrands:["iso5"]};const ftypBuf=Box.encode(this._ftyp),data=this._tracks.map(track=>{const moovBuf=Box.encode(track.moov);return{mime:track.mime,init:Buffer.concat([ftypBuf,moovBuf])}});this.emit("ready",data)}seek(time){if(!this._tracks)throw new Error("Not ready yet; wait for 'ready' event");this._fileStream&&(this._fileStream.destroy(),this._fileStream=null);let startOffset=-1;if(this._tracks.map((track,i)=>{track.outStream&&track.outStream.destroy(),track.inStream&&(track.inStream.destroy(),track.inStream=null);const outStream=track.outStream=mp4.encode(),fragment=this._generateFragment(i,time);if(!fragment)return outStream.finalize();(-1===startOffset||fragment.ranges[0].start<startOffset)&&(startOffset=fragment.ranges[0].start);const writeFragment=frag=>{outStream.destroyed||outStream.box(frag.moof,err=>{if(err)return this.emit("error",err);if(!outStream.destroyed){const slicedStream=track.inStream.slice(frag.ranges);slicedStream.pipe(outStream.mediaData(frag.length,err=>{if(err)return this.emit("error",err);if(!outStream.destroyed){const nextFrag=this._generateFragment(i);return nextFrag?void writeFragment(nextFrag):outStream.finalize()}}))}})};writeFragment(fragment)}),0<=startOffset){const fileStream=this._fileStream=this._file.createReadStream({start:startOffset});this._tracks.forEach(track=>{track.inStream=new RangeSliceStream(startOffset,{highWaterMark:1e7}),fileStream.pipe(track.inStream)})}return this._tracks.map(track=>track.outStream)}_findSampleBefore(trackInd,time){const track=this._tracks[trackInd],scaledTime=_Mathfloor(track.timeScale*time);let sample=bs(track.samples,scaledTime,(sample,t)=>{const pts=sample.dts+sample.presentationOffset;return pts-t});for(-1===sample?sample=0:0>sample&&(sample=-sample-2);!track.samples[sample].sync;)sample--;return sample}_generateFragment(track,time){const currTrack=this._tracks[track];let firstSample;if(firstSample=void 0===time?currTrack.currSample:this._findSampleBefore(track,time),firstSample>=currTrack.samples.length)return null;const startDts=currTrack.samples[firstSample].dts;let totalLen=0;const ranges=[];for(var currSample=firstSample;currSample<currTrack.samples.length;currSample++){const sample=currTrack.samples[currSample];if(sample.sync&&sample.dts-startDts>=currTrack.timeScale*MIN_FRAGMENT_DURATION)break;totalLen+=sample.size;const currRange=ranges.length-1;0>currRange||ranges[currRange].end!==sample.offset?ranges.push({start:sample.offset,end:sample.offset+sample.size}):ranges[currRange].end+=sample.size}return currTrack.currSample=currSample,{moof:this._generateMoof(track,firstSample,currSample),ranges,length:totalLen}}_generateMoof(track,firstSample,lastSample){const currTrack=this._tracks[track],entries=[];let trunVersion=0;for(let j=firstSample;j<lastSample;j++){const currSample=currTrack.samples[j];0>currSample.presentationOffset&&(trunVersion=1),entries.push({sampleDuration:currSample.duration,sampleSize:currSample.size,sampleFlags:currSample.sync?33554432:16842752,sampleCompositionTimeOffset:currSample.presentationOffset})}const moof={type:"moof",mfhd:{sequenceNumber:currTrack.fragmentSequence++},trafs:[{tfhd:{flags:131072,trackId:currTrack.trackId},tfdt:{baseMediaDecodeTime:currTrack.samples[firstSample].dts},trun:{flags:3841,dataOffset:8,entries,version:trunVersion}}]};return moof.trafs[0].trun.dataOffset+=Box.encodingLength(moof),moof}}class RunLengthIndex{constructor(entries,countName){this._entries=entries,this._countName=countName||"count",this._index=0,this._offset=0,this.value=this._entries[0]}inc(){this._offset++,this._offset>=this._entries[this._index][this._countName]&&(this._index++,this._offset=0),this.value=this._entries[this._index]}}const MIN_FRAGMENT_DURATION=1;module.exports=MP4Remuxer}).call(this)}).call(this,require("buffer").Buffer)},{"binary-search":50,buffer:101,events:156,"mp4-box-encoding":224,"mp4-stream":227,"range-slice-stream":265}],340:[function(require,module,exports){function VideoStream(file,mediaElem,opts={}){return this instanceof VideoStream?void(this.detailedError=null,this._elem=mediaElem,this._elemWrapper=new MediaElementWrapper(mediaElem),this._waitingFired=!1,this._trackMeta=null,this._file=file,this._tracks=null,"none"!==this._elem.preload&&this._createMuxer(),this._onError=()=>{this.detailedError=this._elemWrapper.detailedError,this.destroy()},this._onWaiting=()=>{this._waitingFired=!0,this._muxer?this._tracks&&this._pump():this._createMuxer()},mediaElem.autoplay&&(mediaElem.preload="auto"),mediaElem.addEventListener("waiting",this._onWaiting),mediaElem.addEventListener("error",this._onError)):(console.warn("Don't invoke VideoStream without the 'new' keyword."),new VideoStream(file,mediaElem,opts))}const MediaElementWrapper=require("mediasource"),pump=require("pump"),MP4Remuxer=require("./mp4-remuxer");VideoStream.prototype={_createMuxer(){this._muxer=new MP4Remuxer(this._file),this._muxer.on("ready",data=>{this._tracks=data.map(trackData=>{const mediaSource=this._elemWrapper.createWriteStream(trackData.mime);mediaSource.on("error",err=>{this._elemWrapper.error(err)});const track={muxed:null,mediaSource,initFlushed:!1,onInitFlushed:null};return mediaSource.write(trackData.init,err=>{track.initFlushed=!0,track.onInitFlushed&&track.onInitFlushed(err)}),track}),(this._waitingFired||"auto"===this._elem.preload)&&this._pump()}),this._muxer.on("error",err=>{this._elemWrapper.error(err)})},_pump(){const muxed=this._muxer.seek(this._elem.currentTime,!this._tracks);this._tracks.forEach((track,i)=>{const pumpTrack=()=>{track.muxed&&(track.muxed.destroy(),track.mediaSource=this._elemWrapper.createWriteStream(track.mediaSource),track.mediaSource.on("error",err=>{this._elemWrapper.error(err)})),track.muxed=muxed[i],pump(track.muxed,track.mediaSource)};track.initFlushed?pumpTrack():track.onInitFlushed=err=>err?void this._elemWrapper.error(err):void pumpTrack()})},destroy(){this.destroyed||(this.destroyed=!0,this._elem.removeEventListener("waiting",this._onWaiting),this._elem.removeEventListener("error",this._onError),this._tracks&&this._tracks.forEach(track=>{track.muxed&&track.muxed.destroy()}),this._elem.src="")}},module.exports=VideoStream},{"./mp4-remuxer":339,mediasource:212,pump:254}],341:[function(require,module,exports){(function(global){(function(){"use strict";var forEach=require("for-each"),availableTypedArrays=require("available-typed-arrays"),callBound=require("call-bind/callBound"),$toString=callBound("Object.prototype.toString"),hasToStringTag=require("has-tostringtag/shams")(),g="undefined"==typeof globalThis?global:globalThis,typedArrays=availableTypedArrays(),$slice=callBound("String.prototype.slice"),toStrTags={},gOPD=require("es-abstract/helpers/getOwnPropertyDescriptor"),getPrototypeOf=Object.getPrototypeOf;hasToStringTag&&gOPD&&getPrototypeOf&&forEach(typedArrays,function(typedArray){if("function"==typeof g[typedArray]){var arr=new g[typedArray];if(Symbol.toStringTag in arr){var proto=getPrototypeOf(arr),descriptor=gOPD(proto,Symbol.toStringTag);if(!descriptor){var superProto=getPrototypeOf(proto);descriptor=gOPD(superProto,Symbol.toStringTag)}toStrTags[typedArray]=descriptor.get}}});var tryTypedArrays=function tryAllTypedArrays(value){var foundName=!1;return forEach(toStrTags,function(getter,typedArray){if(!foundName)try{var name=getter.call(value);name===typedArray&&(foundName=name)}catch(e){}}),foundName},isTypedArray=require("is-typed-array");module.exports=function whichTypedArray(value){return!!isTypedArray(value)&&(hasToStringTag&&Symbol.toStringTag in value?tryTypedArrays(value):$slice($toString(value),8,-1))}}).call(this)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"available-typed-arrays":36,"call-bind/callBound":104,"es-abstract/helpers/getOwnPropertyDescriptor":154,"for-each":162,"has-tostringtag/shams":170,"is-typed-array":197}],342:[function(require,module,exports){function wrappy(fn,cb){function wrapper(){for(var args=Array(arguments.length),i=0;i<args.length;i++)args[i]=arguments[i];var ret=fn.apply(this,args),cb=args[args.length-1];return"function"==typeof ret&&ret!==cb&&Object.keys(cb).forEach(function(k){ret[k]=cb[k]}),ret}if(fn&&cb)return wrappy(fn)(cb);if("function"!=typeof fn)throw new TypeError("need wrapper function");return Object.keys(fn).forEach(function(k){wrapper[k]=fn[k]}),wrapper}module.exports=wrappy},{}],343:[function(require,module,exports){function extend(){for(var target={},i=0,source;i<arguments.length;i++)for(var key in source=arguments[i],source)hasOwnProperty.call(source,key)&&(target[key]=source[key]);return target}module.exports=extend;var hasOwnProperty=Object.prototype.hasOwnProperty},{}],344:[function(require,module,exports){module.exports={version:"1.8.30"}},{}],345:[function(require,module,exports){(function(Buffer){(function(){function isReadable(obj){return"object"==typeof obj&&null!=obj&&"function"==typeof obj.pipe}function isFileList(obj){return"undefined"!=typeof FileList&&obj instanceof FileList}/*! webtorrent. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const EventEmitter=require("events"),path=require("path"),concat=require("simple-concat"),createTorrent=require("create-torrent"),debugFactory=require("debug"),DHT=require("bittorrent-dht/client"),loadIPSet=require("load-ip-set"),parallel=require("run-parallel"),parseTorrent=require("parse-torrent"),Peer=require("simple-peer"),queueMicrotask=require("queue-microtask"),randombytes=require("randombytes"),sha1=require("simple-sha1"),throughput=require("throughput"),{ThrottleGroup}=require("speed-limiter"),ConnPool=require("./lib/conn-pool.js"),Torrent=require("./lib/torrent.js"),{version:VERSION}=require("./package.json"),debug=debugFactory("webtorrent"),VERSION_STR=VERSION.replace(/\d*./g,v=>`0${v%100}`.slice(-2)).slice(0,4),VERSION_PREFIX=`-WW${VERSION_STR}-`;class WebTorrent extends EventEmitter{constructor(opts={}){super(),this.peerId="string"==typeof opts.peerId?opts.peerId:Buffer.isBuffer(opts.peerId)?opts.peerId.toString("hex"):Buffer.from(VERSION_PREFIX+randombytes(9).toString("base64")).toString("hex"),this.peerIdBuffer=Buffer.from(this.peerId,"hex"),this.nodeId="string"==typeof opts.nodeId?opts.nodeId:Buffer.isBuffer(opts.nodeId)?opts.nodeId.toString("hex"):randombytes(20).toString("hex"),this.nodeIdBuffer=Buffer.from(this.nodeId,"hex"),this._debugId=this.peerId.toString("hex").substring(0,7),this.destroyed=!1,this.listening=!1,this.torrentPort=opts.torrentPort||0,this.dhtPort=opts.dhtPort||0,this.tracker=opts.tracker===void 0?{}:opts.tracker,this.lsd=!1!==opts.lsd,this.torrents=[],this.maxConns=+opts.maxConns||55,this.utp=WebTorrent.UTP_SUPPORT&&!1!==opts.utp,this._downloadLimit=_Mathmax("number"==typeof opts.downloadLimit?opts.downloadLimit:-1,-1),this._uploadLimit=_Mathmax("number"==typeof opts.uploadLimit?opts.uploadLimit:-1,-1),this.serviceWorker=null,this.workerKeepAliveInterval=null,this.workerPortCount=0,!0===opts.secure&&require("./lib/peer").enableSecure(),this._debug("new webtorrent (peerId %s, nodeId %s, port %s)",this.peerId,this.nodeId,this.torrentPort),this.throttleGroups={down:new ThrottleGroup({rate:_Mathmax(this._downloadLimit,0),enabled:0<=this._downloadLimit}),up:new ThrottleGroup({rate:_Mathmax(this._uploadLimit,0),enabled:0<=this._uploadLimit})},this.tracker&&("object"!=typeof this.tracker&&(this.tracker={}),globalThis.WRTC&&!this.tracker.wrtc&&(this.tracker.wrtc=globalThis.WRTC)),"function"==typeof ConnPool?this._connPool=new ConnPool(this):queueMicrotask(()=>{this._onListening()}),this._downloadSpeed=throughput(),this._uploadSpeed=throughput(),!1!==opts.dht&&"function"==typeof DHT?(this.dht=new DHT(Object.assign({},{nodeId:this.nodeId},opts.dht)),this.dht.once("error",err=>{this._destroy(err)}),this.dht.once("listening",()=>{const address=this.dht.address();address&&(this.dhtPort=address.port)}),this.dht.setMaxListeners(0),this.dht.listen(this.dhtPort)):this.dht=!1,this.enableWebSeeds=!1!==opts.webSeeds;const ready=()=>{this.destroyed||(this.ready=!0,this.emit("ready"))};"function"==typeof loadIPSet&&null!=opts.blocklist?loadIPSet(opts.blocklist,{headers:{"user-agent":`WebTorrent/${VERSION} (https://webtorrent.io)`}},(err,ipSet)=>err?console.error(`Failed to load blocklist: ${err.message}`):void(this.blocked=ipSet,ready())):queueMicrotask(ready)}loadWorker(controller,cb=()=>{}){if(!(controller instanceof ServiceWorker))throw new Error("Invalid worker registration");if("activated"!==controller.state)throw new Error("Worker isn't activated");const keepAliveTime=2e4;this.serviceWorker=controller,navigator.serviceWorker.addEventListener("message",event=>{const{data}=event;if(!data.type||"webtorrent"===!data.type||!data.url)return null;let[infoHash,...filePath]=data.url.slice(data.url.indexOf(data.scope+"webtorrent/")+11+data.scope.length).split("/");if(filePath=decodeURI(filePath.join("/")),!infoHash||!filePath)return null;const[port]=event.ports,file=this.get(infoHash)&&this.get(infoHash).files.find(file=>file.path===filePath);if(!file)return null;const[response,stream,raw]=file._serve(data),asyncIterator=stream&&stream[Symbol.asyncIterator](),cleanup=()=>{port.onmessage=null,stream&&stream.destroy(),raw&&raw.destroy(),this.workerPortCount--,this.workerPortCount||(clearInterval(this.workerKeepAliveInterval),this.workerKeepAliveInterval=null)};port.onmessage=async msg=>{if(msg.data){let chunk;try{chunk=(await asyncIterator.next()).value}catch(e){}port.postMessage(chunk),chunk||cleanup(),this.workerKeepAliveInterval||(this.workerKeepAliveInterval=setInterval(()=>fetch(`${this.serviceWorker.scriptURL.slice(0,this.serviceWorker.scriptURL.lastIndexOf("/")+1).slice(window.location.origin.length)}webtorrent/keepalive/`),keepAliveTime))}else cleanup()},this.workerPortCount++,port.postMessage(response)}),fetch(`${this.serviceWorker.scriptURL.slice(0,this.serviceWorker.scriptURL.lastIndexOf("/")+1).slice(window.location.origin.length)}webtorrent/cancel/`).then(res=>{res.body.cancel()}),cb(null,this.serviceWorker)}get downloadSpeed(){return this._downloadSpeed()}get uploadSpeed(){return this._uploadSpeed()}get progress(){const torrents=this.torrents.filter(torrent=>1!==torrent.progress),downloaded=torrents.reduce((total,torrent)=>total+torrent.downloaded,0),length=torrents.reduce((total,torrent)=>total+(torrent.length||0),0)||1;return downloaded/length}get ratio(){const uploaded=this.torrents.reduce((total,torrent)=>total+torrent.uploaded,0),received=this.torrents.reduce((total,torrent)=>total+torrent.received,0)||1;return uploaded/received}get(torrentId){if(!(torrentId instanceof Torrent)){let parsed;try{parsed=parseTorrent(torrentId)}catch(err){}if(!parsed)return null;if(!parsed.infoHash)throw new Error("Invalid torrent identifier");for(const torrent of this.torrents)if(torrent.infoHash===parsed.infoHash)return torrent}else if(this.torrents.includes(torrentId))return torrentId;return null}add(torrentId,opts={},ontorrent=()=>{}){function onClose(){torrent.removeListener("_infoHash",onInfoHash),torrent.removeListener("ready",onReady),torrent.removeListener("close",onClose)}if(this.destroyed)throw new Error("client is destroyed");"function"==typeof opts&&([opts,ontorrent]=[{},opts]);const onInfoHash=()=>{if(!this.destroyed)for(const t of this.torrents)if(t.infoHash===torrent.infoHash&&t!==torrent)return torrent._destroy(new Error(`Cannot add duplicate torrent ${torrent.infoHash}`)),void ontorrent(t)},onReady=()=>{this.destroyed||(ontorrent(torrent),this.emit("torrent",torrent))};this._debug("add"),opts=opts?Object.assign({},opts):{};const torrent=new Torrent(torrentId,this,opts);return this.torrents.push(torrent),torrent.once("_infoHash",onInfoHash),torrent.once("ready",onReady),torrent.once("close",onClose),torrent}seed(input,opts,onseed){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof opts&&([opts,onseed]=[{},opts]),this._debug("seed"),opts=opts?Object.assign({},opts):{},opts.skipVerify=!0;const isFilePath="string"==typeof input;isFilePath&&(opts.path=path.dirname(input)),opts.createdBy||(opts.createdBy=`WebTorrent/${VERSION_STR}`);const onTorrent=torrent=>{const tasks=[cb=>isFilePath||opts.preloadedStore?cb():void torrent.load(streams,cb)];this.dht&&tasks.push(cb=>{torrent.once("dhtAnnounce",cb)}),parallel(tasks,err=>this.destroyed?void 0:err?torrent._destroy(err):void _onseed(torrent))},_onseed=torrent=>{this._debug("on seed"),"function"==typeof onseed&&onseed(torrent),torrent.emit("seed"),this.emit("seed",torrent)},torrent=this.add(null,opts,onTorrent);let streams;return isFileList(input)?input=Array.from(input):!Array.isArray(input)&&(input=[input]),parallel(input.map(item=>cb=>{!opts.preloadedStore&&isReadable(item)?concat(item,(err,buf)=>err?cb(err):void(buf.name=item.name,cb(null,buf))):cb(null,item)}),(err,input)=>this.destroyed?void 0:err?torrent._destroy(err):void createTorrent.parseInput(input,opts,(err,files)=>this.destroyed?void 0:err?torrent._destroy(err):void(streams=files.map(file=>file.getStream),createTorrent(input,opts,(err,torrentBuf)=>{if(!this.destroyed){if(err)return torrent._destroy(err);const existingTorrent=this.get(torrentBuf);existingTorrent?(console.warn("A torrent with the same id is already being seeded"),torrent._destroy(),"function"==typeof onseed&&onseed(existingTorrent)):torrent._onTorrentId(torrentBuf)}})))),torrent}remove(torrentId,opts,cb){if("function"==typeof opts)return this.remove(torrentId,null,opts);this._debug("remove");const torrent=this.get(torrentId);if(!torrent)throw new Error(`No torrent with id ${torrentId}`);this._remove(torrentId,opts,cb)}_remove(torrentId,opts,cb){if("function"==typeof opts)return this._remove(torrentId,null,opts);const torrent=this.get(torrentId);torrent&&(this.torrents.splice(this.torrents.indexOf(torrent),1),torrent.destroy(opts,cb),this.dht&&this.dht._tables.remove(torrent.infoHash))}address(){return this.listening?this._connPool?this._connPool.tcpServer.address():{address:"0.0.0.0",family:"IPv4",port:0}:null}throttleDownload(rate){return(rate=+rate,!(isNaN(rate)||!isFinite(rate)||-1>rate))&&(this._downloadLimit=rate,0>this._downloadLimit?this.throttleGroups.down.setEnabled(!1):void(this.throttleGroups.down.setEnabled(!0),this.throttleGroups.down.setRate(this._downloadLimit)))}throttleUpload(rate){return(rate=+rate,!(isNaN(rate)||!isFinite(rate)||-1>rate))&&(this._uploadLimit=rate,0>this._uploadLimit?this.throttleGroups.up.setEnabled(!1):void(this.throttleGroups.up.setEnabled(!0),this.throttleGroups.up.setRate(this._uploadLimit)))}destroy(cb){if(this.destroyed)throw new Error("client already destroyed");this._destroy(null,cb)}_destroy(err,cb){this._debug("client destroy"),this.destroyed=!0;const tasks=this.torrents.map(torrent=>cb=>{torrent.destroy(cb)});this._connPool&&tasks.push(cb=>{this._connPool.destroy(cb)}),this.dht&&tasks.push(cb=>{this.dht.destroy(cb)}),parallel(tasks,cb),err&&this.emit("error",err),this.torrents=[],this._connPool=null,this.dht=null,this.throttleGroups.down.destroy(),this.throttleGroups.up.destroy()}_onListening(){if(this._debug("listening"),this.listening=!0,this._connPool){const address=this._connPool.tcpServer.address();address&&(this.torrentPort=address.port)}this.emit("listening")}_debug(){const args=[].slice.call(arguments);args[0]=`[${this._debugId}] ${args[0]}`,debug(...args)}_getByHash(infoHashHash){for(const torrent of this.torrents)if(torrent.infoHashHash||(torrent.infoHashHash=sha1.sync(Buffer.from("72657132"+torrent.infoHash,"hex"))),infoHashHash===torrent.infoHashHash)return torrent;return null}}WebTorrent.WEBRTC_SUPPORT=Peer.WEBRTC_SUPPORT,WebTorrent.UTP_SUPPORT=ConnPool.UTP_SUPPORT,WebTorrent.VERSION=VERSION,module.exports=WebTorrent}).call(this)}).call(this,require("buffer").Buffer)},{"./lib/conn-pool.js":1,"./lib/peer":4,"./lib/torrent.js":7,"./package.json":344,"bittorrent-dht/client":52,buffer:101,"create-torrent":120,debug:122,events:156,"load-ip-set":66,"parse-torrent":237,path:238,"queue-microtask":259,randombytes:262,"run-parallel":287,"simple-concat":300,"simple-peer":302,"simple-sha1":303,"speed-limiter":306,throughput:324}]},{},[345])(345)});
\ No newline at end of file diff --git a/webtorrent.min.js b/webtorrent.min.js index d97e7ec..df521d3 100644 --- a/webtorrent.min.js +++ b/webtorrent.min.js @@ -13,4 +13,4 @@ * Copyright(c) 2012-2014 TJ Holowaychuk * Copyright(c) 2015-2016 Douglas Christopher Wilson * MIT Licensed - */"use strict";function rangeParser(size,str,options){if("string"!=typeof str)throw new TypeError("argument str must be a string");var index=str.indexOf("=");if(-1===index)return-2;var arr=str.slice(index+1).split(","),ranges=[];ranges.type=str.slice(0,index);for(var i=0;i<arr.length;i++){var range=arr[i].split("-"),start=parseInt(range[0],10),end=parseInt(range[1],10);(isNaN(start)?(start=size-end,end=size-1):isNaN(end)&&(end=size-1),end>size-1&&(end=size-1),!(isNaN(start)||isNaN(end)||start>end||0>start))&&ranges.push({start:start,end:end})}return 1>ranges.length?-1:options&&options.combine?combineRanges(ranges):ranges}function combineRanges(ranges){for(var ordered=ranges.map(mapWithIndex).sort(sortByRangeStart),j=0,i=1;i<ordered.length;i++){var range=ordered[i],current=ordered[j];range.start>current.end+1?ordered[++j]=range:range.end>current.end&&(current.end=range.end,current.index=_Mathmin(current.index,range.index))}ordered.length=j+1;var combined=ordered.sort(sortByRangeIndex).map(mapWithoutIndex);return combined.type=ranges.type,combined}function mapWithIndex(range,index){return{start:range.start,end:range.end,index:index}}function mapWithoutIndex(range){return{start:range.start,end:range.end}}function sortByRangeIndex(a,b){return a.index-b.index}function sortByRangeStart(a,b){return a.start-b.start}module.exports=rangeParser},{}],211:[function(require,module,exports){const{Writable,PassThrough}=require("readable-stream");class RangeSliceStream extends Writable{constructor(offset,opts={}){super(opts),this.destroyed=!1,this._queue=[],this._position=offset||0,this._cb=null,this._buffer=null,this._out=null}_write(chunk,encoding,cb){let drained=!0;for(;!0;){if(this.destroyed)return;if(0===this._queue.length)return this._buffer=chunk,void(this._cb=cb);this._buffer=null;var currRange=this._queue[0];const writeStart=_Mathmax(currRange.start-this._position,0),writeEnd=currRange.end-this._position;if(writeStart>=chunk.length)return this._position+=chunk.length,cb(null);let toWrite;if(writeEnd>chunk.length){this._position+=chunk.length,toWrite=0===writeStart?chunk:chunk.slice(writeStart),drained=currRange.stream.write(toWrite)&&drained;break}this._position+=writeEnd,toWrite=0===writeStart&&writeEnd===chunk.length?chunk:chunk.slice(writeStart,writeEnd),drained=currRange.stream.write(toWrite)&&drained,currRange.last&&currRange.stream.end(),chunk=chunk.slice(writeEnd),this._queue.shift()}drained?cb(null):currRange.stream.once("drain",cb.bind(null,null))}slice(ranges){if(this.destroyed)return null;Array.isArray(ranges)||(ranges=[ranges]);const str=new PassThrough;return ranges.forEach((range,i)=>{this._queue.push({start:range.start,end:range.end,stream:str,last:i===ranges.length-1})}),this._buffer&&this._write(this._buffer,null,this._cb),str}destroy(err){this.destroyed||(this.destroyed=!0,err&&this.emit("error",err))}}module.exports=RangeSliceStream},{"readable-stream":227}],212:[function(require,module,exports){"use strict";function isInteger(n){return parseInt(n,10)===n}function createRC4(N){function identityPermutation(){for(var s=Array(N),i=0;i<N;i++)s[i]=i;return s}function seed(key){if(void 0===key){key=Array(N);for(var k=0;k<N;k++)key[k]=_Mathfloor(Math.random()*N)}else if("string"==typeof key)key=""+key,key=key.split("").map(function(c){return c.charCodeAt(0)%N});else if(!Array.isArray(key))throw new TypeError("invalid seed key specified");else if(!key.every(function(v){return"number"==typeof v&&v===(0|v)}))throw new TypeError("invalid seed key specified: not array of integers");for(var keylen=key.length,s=identityPermutation(),j=0,i=0;i<N;i++){j=(j+s[i]+key[i%keylen])%N;var tmp=s[i];s[i]=s[j],s[j]=tmp}return s}function RC4(key){this.s=seed(key),this.i=0,this.j=0}return RC4.prototype.randomNative=function(){this.i=(this.i+1)%N,this.j=(this.j+this.s[this.i])%N;var tmp=this.s[this.i];this.s[this.i]=this.s[this.j],this.s[this.j]=tmp;var k=this.s[(this.s[this.i]+this.s[this.j])%N];return k},RC4.prototype.randomUInt32=function(){var a=this.randomByte(),b=this.randomByte(),c=this.randomByte(),d=this.randomByte();return 256*(256*(256*a+b)+c)+d},RC4.prototype.randomFloat=function(){return this.randomUInt32()/4294967296},RC4.prototype.random=function(){var a,b;if(1===arguments.length)a=0,b=arguments[0];else if(2===arguments.length)a=arguments[0],b=arguments[1];else throw new TypeError("random takes one or two integer arguments");if(!isInteger(a)||!isInteger(b))throw new TypeError("random takes one or two integer arguments");return a+this.randomUInt32()%(b-a+1)},RC4.prototype.currentState=function(){return{i:this.i,j:this.j,s:this.s.slice()}},RC4.prototype.setState=function(state){var s=state.s,i=state.i,j=state.j;if(!(i===(0|i)&&0<=i&&i<N))throw new Error("state.i should be integer [0, "+(N-1)+"]");if(!(j===(0|j)&&0<=j&&j<N))throw new Error("state.j should be integer [0, "+(N-1)+"]");if(!Array.isArray(s)||s.length!==N)throw new Error("state should be array of length "+N);for(var k=0;k<N;k++)if(-1===s.indexOf(k))throw new Error("state should be permutation of 0.."+(N-1)+": "+k+" is missing");this.i=i,this.j=j,this.s=s.slice()},RC4}function toHex(n){return 10>n?_StringfromCharCode(48+n):_StringfromCharCode(97+n-10)}function fromHex(c){return parseInt(c,16)}var RC4=createRC4(256);RC4.prototype.randomByte=RC4.prototype.randomNative;var RC4small=createRC4(16);RC4small.prototype.randomByte=function(){var a=this.randomNative(),b=this.randomNative();return 16*a+b};var ordA=97,ord0=48;RC4small.prototype.currentStateString=function(){var state=this.currentState(),i=toHex(state.i),j=toHex(state.j),res=i+j+state.s.map(toHex).join("");return res},RC4small.prototype.setStateString=function(stateString){if(!stateString.match(/^[0-9a-f]{18}$/))throw new TypeError("RC4small stateString should be 18 hex character string");var i=fromHex(stateString[0]),j=fromHex(stateString[1]),s=stateString.split("").slice(2).map(fromHex);this.setState({i:i,j:j,s:s})},RC4.RC4small=RC4small,module.exports=RC4},{}],213:[function(require,module,exports){"use strict";function _inheritsLoose(subClass,superClass){subClass.prototype=Object.create(superClass.prototype),subClass.prototype.constructor=subClass,subClass.__proto__=superClass}function createErrorType(code,message,Base){function getMessage(arg1,arg2,arg3){return"string"==typeof message?message:message(arg1,arg2,arg3)}Base||(Base=Error);var NodeError=function(_Base){function NodeError(arg1,arg2,arg3){return _Base.call(this,getMessage(arg1,arg2,arg3))||this}return _inheritsLoose(NodeError,_Base),NodeError}(Base);NodeError.prototype.name=Base.name,NodeError.prototype.code=code,codes[code]=NodeError}function oneOf(expected,thing){if(Array.isArray(expected)){var len=expected.length;return expected=expected.map(function(i){return i+""}),2<len?"one of ".concat(thing," ").concat(expected.slice(0,len-1).join(", "),", or ")+expected[len-1]:2===len?"one of ".concat(thing," ").concat(expected[0]," or ").concat(expected[1]):"of ".concat(thing," ").concat(expected[0])}return"of ".concat(thing," ").concat(expected+"")}function startsWith(str,search,pos){return str.substr(!pos||0>pos?0:+pos,search.length)===search}function endsWith(str,search,this_len){return(void 0===this_len||this_len>str.length)&&(this_len=str.length),str.substring(this_len-search.length,this_len)===search}function includes(str,search,start){return"number"!=typeof start&&(start=0),!(start+search.length>str.length)&&-1!==str.indexOf(search,start)}var codes={};createErrorType("ERR_INVALID_OPT_VALUE",function(name,value){return"The value \""+value+"\" is invalid for option \""+name+"\""},TypeError),createErrorType("ERR_INVALID_ARG_TYPE",function(name,expected,actual){var determiner;"string"==typeof expected&&startsWith(expected,"not ")?(determiner="must not be",expected=expected.replace(/^not /,"")):determiner="must be";var msg;if(endsWith(name," argument"))msg="The ".concat(name," ").concat(determiner," ").concat(oneOf(expected,"type"));else{var type=includes(name,".")?"property":"argument";msg="The \"".concat(name,"\" ").concat(type," ").concat(determiner," ").concat(oneOf(expected,"type"))}return msg+=". Received type ".concat(typeof actual),msg},TypeError),createErrorType("ERR_STREAM_PUSH_AFTER_EOF","stream.push() after EOF"),createErrorType("ERR_METHOD_NOT_IMPLEMENTED",function(name){return"The "+name+" method is not implemented"}),createErrorType("ERR_STREAM_PREMATURE_CLOSE","Premature close"),createErrorType("ERR_STREAM_DESTROYED",function(name){return"Cannot call "+name+" after a stream was destroyed"}),createErrorType("ERR_MULTIPLE_CALLBACK","Callback called multiple times"),createErrorType("ERR_STREAM_CANNOT_PIPE","Cannot pipe, not readable"),createErrorType("ERR_STREAM_WRITE_AFTER_END","write after end"),createErrorType("ERR_STREAM_NULL_VALUES","May not write null values to stream",TypeError),createErrorType("ERR_UNKNOWN_ENCODING",function(arg){return"Unknown encoding: "+arg},TypeError),createErrorType("ERR_STREAM_UNSHIFT_AFTER_END_EVENT","stream.unshift() after end event"),module.exports.codes=codes},{}],214:[function(require,module,exports){(function(process){(function(){"use strict";function Duplex(options){return this instanceof Duplex?void(Readable.call(this,options),Writable.call(this,options),this.allowHalfOpen=!0,options&&(!1===options.readable&&(this.readable=!1),!1===options.writable&&(this.writable=!1),!1===options.allowHalfOpen&&(this.allowHalfOpen=!1,this.once("end",onend)))):new Duplex(options)}function onend(){this._writableState.ended||process.nextTick(onEndNT,this)}function onEndNT(self){self.end()}var objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj)keys.push(key);return keys};module.exports=Duplex;var Readable=require("./_stream_readable"),Writable=require("./_stream_writable");require("inherits")(Duplex,Readable);for(var keys=objectKeys(Writable.prototype),v=0,method;v<keys.length;v++)method=keys[v],Duplex.prototype[method]||(Duplex.prototype[method]=Writable.prototype[method]);Object.defineProperty(Duplex.prototype,"writableHighWaterMark",{enumerable:!1,get:function get(){return this._writableState.highWaterMark}}),Object.defineProperty(Duplex.prototype,"writableBuffer",{enumerable:!1,get:function get(){return this._writableState&&this._writableState.getBuffer()}}),Object.defineProperty(Duplex.prototype,"writableLength",{enumerable:!1,get:function get(){return this._writableState.length}}),Object.defineProperty(Duplex.prototype,"destroyed",{enumerable:!1,get:function get(){return void 0!==this._readableState&&void 0!==this._writableState&&this._readableState.destroyed&&this._writableState.destroyed},set:function set(value){void 0===this._readableState||void 0===this._writableState||(this._readableState.destroyed=value,this._writableState.destroyed=value)}})}).call(this)}).call(this,require("_process"))},{"./_stream_readable":216,"./_stream_writable":218,_process:192,inherits:146}],215:[function(require,module,exports){"use strict";function PassThrough(options){return this instanceof PassThrough?void Transform.call(this,options):new PassThrough(options)}module.exports=PassThrough;var Transform=require("./_stream_transform");require("inherits")(PassThrough,Transform),PassThrough.prototype._transform=function(chunk,encoding,cb){cb(null,chunk)}},{"./_stream_transform":217,inherits:146}],216:[function(require,module,exports){(function(process,global){(function(){"use strict";function _uint8ArrayToBuffer(chunk){return Buffer.from(chunk)}function _isUint8Array(obj){return Buffer.isBuffer(obj)||obj instanceof OurUint8Array}function prependListener(emitter,event,fn){return"function"==typeof emitter.prependListener?emitter.prependListener(event,fn):void(emitter._events&&emitter._events[event]?Array.isArray(emitter._events[event])?emitter._events[event].unshift(fn):emitter._events[event]=[fn,emitter._events[event]]:emitter.on(event,fn))}function ReadableState(options,stream,isDuplex){Duplex=Duplex||require("./_stream_duplex"),options=options||{},"boolean"!=typeof isDuplex&&(isDuplex=stream instanceof Duplex),this.objectMode=!!options.objectMode,isDuplex&&(this.objectMode=this.objectMode||!!options.readableObjectMode),this.highWaterMark=getHighWaterMark(this,options,"readableHighWaterMark",isDuplex),this.buffer=new BufferList,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.paused=!0,this.emitClose=!1!==options.emitClose,this.autoDestroy=!!options.autoDestroy,this.destroyed=!1,this.defaultEncoding=options.defaultEncoding||"utf8",this.awaitDrain=0,this.readingMore=!1,this.decoder=null,this.encoding=null,options.encoding&&(!StringDecoder&&(StringDecoder=require("string_decoder/").StringDecoder),this.decoder=new StringDecoder(options.encoding),this.encoding=options.encoding)}function Readable(options){if(Duplex=Duplex||require("./_stream_duplex"),!(this instanceof Readable))return new Readable(options);var isDuplex=this instanceof Duplex;this._readableState=new ReadableState(options,this,isDuplex),this.readable=!0,options&&("function"==typeof options.read&&(this._read=options.read),"function"==typeof options.destroy&&(this._destroy=options.destroy)),Stream.call(this)}function readableAddChunk(stream,chunk,encoding,addToFront,skipChunkCheck){debug("readableAddChunk",chunk);var state=stream._readableState;if(null===chunk)state.reading=!1,onEofChunk(stream,state);else{var er;if(skipChunkCheck||(er=chunkInvalid(state,chunk)),er)errorOrDestroy(stream,er);else if(!(state.objectMode||chunk&&0<chunk.length))addToFront||(state.reading=!1,maybeReadMore(stream,state));else if("string"==typeof chunk||state.objectMode||Object.getPrototypeOf(chunk)===Buffer.prototype||(chunk=_uint8ArrayToBuffer(chunk)),addToFront)state.endEmitted?errorOrDestroy(stream,new ERR_STREAM_UNSHIFT_AFTER_END_EVENT):addChunk(stream,state,chunk,!0);else if(state.ended)errorOrDestroy(stream,new ERR_STREAM_PUSH_AFTER_EOF);else{if(state.destroyed)return!1;state.reading=!1,state.decoder&&!encoding?(chunk=state.decoder.write(chunk),state.objectMode||0!==chunk.length?addChunk(stream,state,chunk,!1):maybeReadMore(stream,state)):addChunk(stream,state,chunk,!1)}}return!state.ended&&(state.length<state.highWaterMark||0===state.length)}function addChunk(stream,state,chunk,addToFront){state.flowing&&0===state.length&&!state.sync?(state.awaitDrain=0,stream.emit("data",chunk)):(state.length+=state.objectMode?1:chunk.length,addToFront?state.buffer.unshift(chunk):state.buffer.push(chunk),state.needReadable&&emitReadable(stream)),maybeReadMore(stream,state)}function chunkInvalid(state,chunk){var er;return _isUint8Array(chunk)||"string"==typeof chunk||void 0===chunk||state.objectMode||(er=new ERR_INVALID_ARG_TYPE("chunk",["string","Buffer","Uint8Array"],chunk)),er}function computeNewHighWaterMark(n){return 1073741824<=n?n=1073741824:(n--,n|=n>>>1,n|=n>>>2,n|=n>>>4,n|=n>>>8,n|=n>>>16,n++),n}function howMuchToRead(n,state){return 0>=n||0===state.length&&state.ended?0:state.objectMode?1:n===n?(n>state.highWaterMark&&(state.highWaterMark=computeNewHighWaterMark(n)),n<=state.length?n:state.ended?state.length:(state.needReadable=!0,0)):state.flowing&&state.length?state.buffer.head.data.length:state.length}function onEofChunk(stream,state){if(debug("onEofChunk"),!state.ended){if(state.decoder){var chunk=state.decoder.end();chunk&&chunk.length&&(state.buffer.push(chunk),state.length+=state.objectMode?1:chunk.length)}state.ended=!0,state.sync?emitReadable(stream):(state.needReadable=!1,!state.emittedReadable&&(state.emittedReadable=!0,emitReadable_(stream)))}}function emitReadable(stream){var state=stream._readableState;debug("emitReadable",state.needReadable,state.emittedReadable),state.needReadable=!1,state.emittedReadable||(debug("emitReadable",state.flowing),state.emittedReadable=!0,process.nextTick(emitReadable_,stream))}function emitReadable_(stream){var state=stream._readableState;debug("emitReadable_",state.destroyed,state.length,state.ended),!state.destroyed&&(state.length||state.ended)&&(stream.emit("readable"),state.emittedReadable=!1),state.needReadable=!state.flowing&&!state.ended&&state.length<=state.highWaterMark,flow(stream)}function maybeReadMore(stream,state){state.readingMore||(state.readingMore=!0,process.nextTick(maybeReadMore_,stream,state))}function maybeReadMore_(stream,state){for(;!state.reading&&!state.ended&&(state.length<state.highWaterMark||state.flowing&&0===state.length);){var len=state.length;if(debug("maybeReadMore read 0"),stream.read(0),len===state.length)break}state.readingMore=!1}function pipeOnDrain(src){return function pipeOnDrainFunctionResult(){var state=src._readableState;debug("pipeOnDrain",state.awaitDrain),state.awaitDrain&&state.awaitDrain--,0===state.awaitDrain&&EElistenerCount(src,"data")&&(state.flowing=!0,flow(src))}}function updateReadableListening(self){var state=self._readableState;state.readableListening=0<self.listenerCount("readable"),state.resumeScheduled&&!state.paused?state.flowing=!0:0<self.listenerCount("data")&&self.resume()}function nReadingNextTick(self){debug("readable nexttick read 0"),self.read(0)}function resume(stream,state){state.resumeScheduled||(state.resumeScheduled=!0,process.nextTick(resume_,stream,state))}function resume_(stream,state){debug("resume",state.reading),state.reading||stream.read(0),state.resumeScheduled=!1,stream.emit("resume"),flow(stream),state.flowing&&!state.reading&&stream.read(0)}function flow(stream){var state=stream._readableState;for(debug("flow",state.flowing);state.flowing&&null!==stream.read(););}function fromList(n,state){if(0===state.length)return null;var ret;return state.objectMode?ret=state.buffer.shift():!n||n>=state.length?(ret=state.decoder?state.buffer.join(""):1===state.buffer.length?state.buffer.first():state.buffer.concat(state.length),state.buffer.clear()):ret=state.buffer.consume(n,state.decoder),ret}function endReadable(stream){var state=stream._readableState;debug("endReadable",state.endEmitted),state.endEmitted||(state.ended=!0,process.nextTick(endReadableNT,state,stream))}function endReadableNT(state,stream){if(debug("endReadableNT",state.endEmitted,state.length),!state.endEmitted&&0===state.length&&(state.endEmitted=!0,stream.readable=!1,stream.emit("end"),state.autoDestroy)){var wState=stream._writableState;(!wState||wState.autoDestroy&&wState.finished)&&stream.destroy()}}function indexOf(xs,x){for(var i=0,l=xs.length;i<l;i++)if(xs[i]===x)return i;return-1}module.exports=Readable;var Duplex;Readable.ReadableState=ReadableState;var EE=require("events").EventEmitter,EElistenerCount=function EElistenerCount(emitter,type){return emitter.listeners(type).length},Stream=require("./internal/streams/stream"),Buffer=require("buffer").Buffer,OurUint8Array=global.Uint8Array||function(){},debugUtil=require("util"),debug;debug=debugUtil&&debugUtil.debuglog?debugUtil.debuglog("stream"):function debug(){};var BufferList=require("./internal/streams/buffer_list"),destroyImpl=require("./internal/streams/destroy"),_require=require("./internal/streams/state"),getHighWaterMark=_require.getHighWaterMark,_require$codes=require("../errors").codes,ERR_INVALID_ARG_TYPE=_require$codes.ERR_INVALID_ARG_TYPE,ERR_STREAM_PUSH_AFTER_EOF=_require$codes.ERR_STREAM_PUSH_AFTER_EOF,ERR_METHOD_NOT_IMPLEMENTED=_require$codes.ERR_METHOD_NOT_IMPLEMENTED,ERR_STREAM_UNSHIFT_AFTER_END_EVENT=_require$codes.ERR_STREAM_UNSHIFT_AFTER_END_EVENT,StringDecoder,createReadableStreamAsyncIterator,from;require("inherits")(Readable,Stream);var errorOrDestroy=destroyImpl.errorOrDestroy,kProxyEvents=["error","close","destroy","pause","resume"];Object.defineProperty(Readable.prototype,"destroyed",{enumerable:!1,get:function get(){return void 0!==this._readableState&&this._readableState.destroyed},set:function set(value){this._readableState&&(this._readableState.destroyed=value)}}),Readable.prototype.destroy=destroyImpl.destroy,Readable.prototype._undestroy=destroyImpl.undestroy,Readable.prototype._destroy=function(err,cb){cb(err)},Readable.prototype.push=function(chunk,encoding){var state=this._readableState,skipChunkCheck;return state.objectMode?skipChunkCheck=!0:"string"==typeof chunk&&(encoding=encoding||state.defaultEncoding,encoding!==state.encoding&&(chunk=Buffer.from(chunk,encoding),encoding=""),skipChunkCheck=!0),readableAddChunk(this,chunk,encoding,!1,skipChunkCheck)},Readable.prototype.unshift=function(chunk){return readableAddChunk(this,chunk,null,!0,!1)},Readable.prototype.isPaused=function(){return!1===this._readableState.flowing},Readable.prototype.setEncoding=function(enc){StringDecoder||(StringDecoder=require("string_decoder/").StringDecoder);var decoder=new StringDecoder(enc);this._readableState.decoder=decoder,this._readableState.encoding=this._readableState.decoder.encoding;for(var p=this._readableState.buffer.head,content="";null!==p;)content+=decoder.write(p.data),p=p.next;return this._readableState.buffer.clear(),""!==content&&this._readableState.buffer.push(content),this._readableState.length=content.length,this};var MAX_HWM=1073741824;Readable.prototype.read=function(n){debug("read",n),n=parseInt(n,10);var state=this._readableState,nOrig=n;if(0!==n&&(state.emittedReadable=!1),0===n&&state.needReadable&&((0===state.highWaterMark?0<state.length:state.length>=state.highWaterMark)||state.ended))return debug("read: emitReadable",state.length,state.ended),0===state.length&&state.ended?endReadable(this):emitReadable(this),null;if(n=howMuchToRead(n,state),0===n&&state.ended)return 0===state.length&&endReadable(this),null;var doRead=state.needReadable;debug("need readable",doRead),(0===state.length||state.length-n<state.highWaterMark)&&(doRead=!0,debug("length less than watermark",doRead)),state.ended||state.reading?(doRead=!1,debug("reading or ended",doRead)):doRead&&(debug("do read"),state.reading=!0,state.sync=!0,0===state.length&&(state.needReadable=!0),this._read(state.highWaterMark),state.sync=!1,!state.reading&&(n=howMuchToRead(nOrig,state)));var ret;return ret=0<n?fromList(n,state):null,null===ret?(state.needReadable=state.length<=state.highWaterMark,n=0):(state.length-=n,state.awaitDrain=0),0===state.length&&(!state.ended&&(state.needReadable=!0),nOrig!==n&&state.ended&&endReadable(this)),null!==ret&&this.emit("data",ret),ret},Readable.prototype._read=function(n){errorOrDestroy(this,new ERR_METHOD_NOT_IMPLEMENTED("_read()"))},Readable.prototype.pipe=function(dest,pipeOpts){function onunpipe(readable,unpipeInfo){debug("onunpipe"),readable===src&&unpipeInfo&&!1===unpipeInfo.hasUnpiped&&(unpipeInfo.hasUnpiped=!0,cleanup())}function onend(){debug("onend"),dest.end()}function cleanup(){debug("cleanup"),dest.removeListener("close",onclose),dest.removeListener("finish",onfinish),dest.removeListener("drain",ondrain),dest.removeListener("error",onerror),dest.removeListener("unpipe",onunpipe),src.removeListener("end",onend),src.removeListener("end",unpipe),src.removeListener("data",ondata),cleanedUp=!0,state.awaitDrain&&(!dest._writableState||dest._writableState.needDrain)&&ondrain()}function ondata(chunk){debug("ondata");var ret=dest.write(chunk);debug("dest.write",ret),!1===ret&&((1===state.pipesCount&&state.pipes===dest||1<state.pipesCount&&-1!==indexOf(state.pipes,dest))&&!cleanedUp&&(debug("false write response, pause",state.awaitDrain),state.awaitDrain++),src.pause())}function onerror(er){debug("onerror",er),unpipe(),dest.removeListener("error",onerror),0===EElistenerCount(dest,"error")&&errorOrDestroy(dest,er)}function onclose(){dest.removeListener("finish",onfinish),unpipe()}function onfinish(){debug("onfinish"),dest.removeListener("close",onclose),unpipe()}function unpipe(){debug("unpipe"),src.unpipe(dest)}var src=this,state=this._readableState;switch(state.pipesCount){case 0:state.pipes=dest;break;case 1:state.pipes=[state.pipes,dest];break;default:state.pipes.push(dest);}state.pipesCount+=1,debug("pipe count=%d opts=%j",state.pipesCount,pipeOpts);var doEnd=(!pipeOpts||!1!==pipeOpts.end)&&dest!==process.stdout&&dest!==process.stderr,endFn=doEnd?onend:unpipe;state.endEmitted?process.nextTick(endFn):src.once("end",endFn),dest.on("unpipe",onunpipe);var ondrain=pipeOnDrain(src);dest.on("drain",ondrain);var cleanedUp=!1;return src.on("data",ondata),prependListener(dest,"error",onerror),dest.once("close",onclose),dest.once("finish",onfinish),dest.emit("pipe",src),state.flowing||(debug("pipe resume"),src.resume()),dest},Readable.prototype.unpipe=function(dest){var state=this._readableState,unpipeInfo={hasUnpiped:!1};if(0===state.pipesCount)return this;if(1===state.pipesCount)return dest&&dest!==state.pipes?this:(dest||(dest=state.pipes),state.pipes=null,state.pipesCount=0,state.flowing=!1,dest&&dest.emit("unpipe",this,unpipeInfo),this);if(!dest){var dests=state.pipes,len=state.pipesCount;state.pipes=null,state.pipesCount=0,state.flowing=!1;for(var i=0;i<len;i++)dests[i].emit("unpipe",this,{hasUnpiped:!1});return this}var index=indexOf(state.pipes,dest);return-1===index?this:(state.pipes.splice(index,1),state.pipesCount-=1,1===state.pipesCount&&(state.pipes=state.pipes[0]),dest.emit("unpipe",this,unpipeInfo),this)},Readable.prototype.on=function(ev,fn){var res=Stream.prototype.on.call(this,ev,fn),state=this._readableState;return"data"===ev?(state.readableListening=0<this.listenerCount("readable"),!1!==state.flowing&&this.resume()):"readable"==ev&&!state.endEmitted&&!state.readableListening&&(state.readableListening=state.needReadable=!0,state.flowing=!1,state.emittedReadable=!1,debug("on readable",state.length,state.reading),state.length?emitReadable(this):!state.reading&&process.nextTick(nReadingNextTick,this)),res},Readable.prototype.addListener=Readable.prototype.on,Readable.prototype.removeListener=function(ev,fn){var res=Stream.prototype.removeListener.call(this,ev,fn);return"readable"===ev&&process.nextTick(updateReadableListening,this),res},Readable.prototype.removeAllListeners=function(ev){var res=Stream.prototype.removeAllListeners.apply(this,arguments);return("readable"===ev||void 0===ev)&&process.nextTick(updateReadableListening,this),res},Readable.prototype.resume=function(){var state=this._readableState;return state.flowing||(debug("resume"),state.flowing=!state.readableListening,resume(this,state)),state.paused=!1,this},Readable.prototype.pause=function(){return debug("call pause flowing=%j",this._readableState.flowing),!1!==this._readableState.flowing&&(debug("pause"),this._readableState.flowing=!1,this.emit("pause")),this._readableState.paused=!0,this},Readable.prototype.wrap=function(stream){var _this=this,state=this._readableState,paused=!1;for(var i in stream.on("end",function(){if(debug("wrapped end"),state.decoder&&!state.ended){var chunk=state.decoder.end();chunk&&chunk.length&&_this.push(chunk)}_this.push(null)}),stream.on("data",function(chunk){if((debug("wrapped data"),state.decoder&&(chunk=state.decoder.write(chunk)),!(state.objectMode&&(null===chunk||void 0===chunk)))&&(state.objectMode||chunk&&chunk.length)){var ret=_this.push(chunk);ret||(paused=!0,stream.pause())}}),stream)void 0===this[i]&&"function"==typeof stream[i]&&(this[i]=function methodWrap(method){return function methodWrapReturnFunction(){return stream[method].apply(stream,arguments)}}(i));for(var n=0;n<kProxyEvents.length;n++)stream.on(kProxyEvents[n],this.emit.bind(this,kProxyEvents[n]));return this._read=function(n){debug("wrapped _read",n),paused&&(paused=!1,stream.resume())},this},"function"==typeof Symbol&&(Readable.prototype[Symbol.asyncIterator]=function(){return void 0===createReadableStreamAsyncIterator&&(createReadableStreamAsyncIterator=require("./internal/streams/async_iterator")),createReadableStreamAsyncIterator(this)}),Object.defineProperty(Readable.prototype,"readableHighWaterMark",{enumerable:!1,get:function get(){return this._readableState.highWaterMark}}),Object.defineProperty(Readable.prototype,"readableBuffer",{enumerable:!1,get:function get(){return this._readableState&&this._readableState.buffer}}),Object.defineProperty(Readable.prototype,"readableFlowing",{enumerable:!1,get:function get(){return this._readableState.flowing},set:function set(state){this._readableState&&(this._readableState.flowing=state)}}),Readable._fromList=fromList,Object.defineProperty(Readable.prototype,"readableLength",{enumerable:!1,get:function get(){return this._readableState.length}}),"function"==typeof Symbol&&(Readable.from=function(iterable,opts){return void 0===from&&(from=require("./internal/streams/from")),from(Readable,iterable,opts)})}).call(this)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"../errors":213,"./_stream_duplex":214,"./internal/streams/async_iterator":219,"./internal/streams/buffer_list":220,"./internal/streams/destroy":221,"./internal/streams/from":223,"./internal/streams/state":225,"./internal/streams/stream":226,_process:192,buffer:75,events:122,inherits:146,"string_decoder/":264,util:41}],217:[function(require,module,exports){"use strict";function afterTransform(er,data){var ts=this._transformState;ts.transforming=!1;var cb=ts.writecb;if(null===cb)return this.emit("error",new ERR_MULTIPLE_CALLBACK);ts.writechunk=null,ts.writecb=null,null!=data&&this.push(data),cb(er);var rs=this._readableState;rs.reading=!1,(rs.needReadable||rs.length<rs.highWaterMark)&&this._read(rs.highWaterMark)}function Transform(options){return this instanceof Transform?void(Duplex.call(this,options),this._transformState={afterTransform:afterTransform.bind(this),needTransform:!1,transforming:!1,writecb:null,writechunk:null,writeencoding:null},this._readableState.needReadable=!0,this._readableState.sync=!1,options&&("function"==typeof options.transform&&(this._transform=options.transform),"function"==typeof options.flush&&(this._flush=options.flush)),this.on("prefinish",prefinish)):new Transform(options)}function prefinish(){var _this=this;"function"!=typeof this._flush||this._readableState.destroyed?done(this,null,null):this._flush(function(er,data){done(_this,er,data)})}function done(stream,er,data){if(er)return stream.emit("error",er);if(null!=data&&stream.push(data),stream._writableState.length)throw new ERR_TRANSFORM_WITH_LENGTH_0;if(stream._transformState.transforming)throw new ERR_TRANSFORM_ALREADY_TRANSFORMING;return stream.push(null)}module.exports=Transform;var _require$codes=require("../errors").codes,ERR_METHOD_NOT_IMPLEMENTED=_require$codes.ERR_METHOD_NOT_IMPLEMENTED,ERR_MULTIPLE_CALLBACK=_require$codes.ERR_MULTIPLE_CALLBACK,ERR_TRANSFORM_ALREADY_TRANSFORMING=_require$codes.ERR_TRANSFORM_ALREADY_TRANSFORMING,ERR_TRANSFORM_WITH_LENGTH_0=_require$codes.ERR_TRANSFORM_WITH_LENGTH_0,Duplex=require("./_stream_duplex");require("inherits")(Transform,Duplex),Transform.prototype.push=function(chunk,encoding){return this._transformState.needTransform=!1,Duplex.prototype.push.call(this,chunk,encoding)},Transform.prototype._transform=function(chunk,encoding,cb){cb(new ERR_METHOD_NOT_IMPLEMENTED("_transform()"))},Transform.prototype._write=function(chunk,encoding,cb){var ts=this._transformState;if(ts.writecb=cb,ts.writechunk=chunk,ts.writeencoding=encoding,!ts.transforming){var rs=this._readableState;(ts.needTransform||rs.needReadable||rs.length<rs.highWaterMark)&&this._read(rs.highWaterMark)}},Transform.prototype._read=function(n){var ts=this._transformState;null===ts.writechunk||ts.transforming?ts.needTransform=!0:(ts.transforming=!0,this._transform(ts.writechunk,ts.writeencoding,ts.afterTransform))},Transform.prototype._destroy=function(err,cb){Duplex.prototype._destroy.call(this,err,function(err2){cb(err2)})}},{"../errors":213,"./_stream_duplex":214,inherits:146}],218:[function(require,module,exports){(function(process,global){(function(){"use strict";function WriteReq(chunk,encoding,cb){this.chunk=chunk,this.encoding=encoding,this.callback=cb,this.next=null}function CorkedRequest(state){var _this=this;this.next=null,this.entry=null,this.finish=function(){onCorkedFinish(_this,state)}}function _uint8ArrayToBuffer(chunk){return Buffer.from(chunk)}function _isUint8Array(obj){return Buffer.isBuffer(obj)||obj instanceof OurUint8Array}function nop(){}function WritableState(options,stream,isDuplex){Duplex=Duplex||require("./_stream_duplex"),options=options||{},"boolean"!=typeof isDuplex&&(isDuplex=stream instanceof Duplex),this.objectMode=!!options.objectMode,isDuplex&&(this.objectMode=this.objectMode||!!options.writableObjectMode),this.highWaterMark=getHighWaterMark(this,options,"writableHighWaterMark",isDuplex),this.finalCalled=!1,this.needDrain=!1,this.ending=!1,this.ended=!1,this.finished=!1,this.destroyed=!1;var noDecode=!1===options.decodeStrings;this.decodeStrings=!noDecode,this.defaultEncoding=options.defaultEncoding||"utf8",this.length=0,this.writing=!1,this.corked=0,this.sync=!0,this.bufferProcessing=!1,this.onwrite=function(er){onwrite(stream,er)},this.writecb=null,this.writelen=0,this.bufferedRequest=null,this.lastBufferedRequest=null,this.pendingcb=0,this.prefinished=!1,this.errorEmitted=!1,this.emitClose=!1!==options.emitClose,this.autoDestroy=!!options.autoDestroy,this.bufferedRequestCount=0,this.corkedRequestsFree=new CorkedRequest(this)}function Writable(options){Duplex=Duplex||require("./_stream_duplex");var isDuplex=this instanceof Duplex;return isDuplex||realHasInstance.call(Writable,this)?void(this._writableState=new WritableState(options,this,isDuplex),this.writable=!0,options&&("function"==typeof options.write&&(this._write=options.write),"function"==typeof options.writev&&(this._writev=options.writev),"function"==typeof options.destroy&&(this._destroy=options.destroy),"function"==typeof options.final&&(this._final=options.final)),Stream.call(this)):new Writable(options)}function writeAfterEnd(stream,cb){var er=new ERR_STREAM_WRITE_AFTER_END;errorOrDestroy(stream,er),process.nextTick(cb,er)}function validChunk(stream,state,chunk,cb){var er;return null===chunk?er=new ERR_STREAM_NULL_VALUES:"string"!=typeof chunk&&!state.objectMode&&(er=new ERR_INVALID_ARG_TYPE("chunk",["string","Buffer"],chunk)),!er||(errorOrDestroy(stream,er),process.nextTick(cb,er),!1)}function decodeChunk(state,chunk,encoding){return state.objectMode||!1===state.decodeStrings||"string"!=typeof chunk||(chunk=Buffer.from(chunk,encoding)),chunk}function writeOrBuffer(stream,state,isBuf,chunk,encoding,cb){if(!isBuf){var newChunk=decodeChunk(state,chunk,encoding);chunk!==newChunk&&(isBuf=!0,encoding="buffer",chunk=newChunk)}var len=state.objectMode?1:chunk.length;state.length+=len;var ret=state.length<state.highWaterMark;if(ret||(state.needDrain=!0),state.writing||state.corked){var last=state.lastBufferedRequest;state.lastBufferedRequest={chunk:chunk,encoding:encoding,isBuf:isBuf,callback:cb,next:null},last?last.next=state.lastBufferedRequest:state.bufferedRequest=state.lastBufferedRequest,state.bufferedRequestCount+=1}else doWrite(stream,state,!1,len,chunk,encoding,cb);return ret}function doWrite(stream,state,writev,len,chunk,encoding,cb){state.writelen=len,state.writecb=cb,state.writing=!0,state.sync=!0,state.destroyed?state.onwrite(new ERR_STREAM_DESTROYED("write")):writev?stream._writev(chunk,state.onwrite):stream._write(chunk,encoding,state.onwrite),state.sync=!1}function onwriteError(stream,state,sync,er,cb){--state.pendingcb,sync?(process.nextTick(cb,er),process.nextTick(finishMaybe,stream,state),stream._writableState.errorEmitted=!0,errorOrDestroy(stream,er)):(cb(er),stream._writableState.errorEmitted=!0,errorOrDestroy(stream,er),finishMaybe(stream,state))}function onwriteStateUpdate(state){state.writing=!1,state.writecb=null,state.length-=state.writelen,state.writelen=0}function onwrite(stream,er){var state=stream._writableState,sync=state.sync,cb=state.writecb;if("function"!=typeof cb)throw new ERR_MULTIPLE_CALLBACK;if(onwriteStateUpdate(state),er)onwriteError(stream,state,sync,er,cb);else{var finished=needFinish(state)||stream.destroyed;finished||state.corked||state.bufferProcessing||!state.bufferedRequest||clearBuffer(stream,state),sync?process.nextTick(afterWrite,stream,state,finished,cb):afterWrite(stream,state,finished,cb)}}function afterWrite(stream,state,finished,cb){finished||onwriteDrain(stream,state),state.pendingcb--,cb(),finishMaybe(stream,state)}function onwriteDrain(stream,state){0===state.length&&state.needDrain&&(state.needDrain=!1,stream.emit("drain"))}function clearBuffer(stream,state){state.bufferProcessing=!0;var entry=state.bufferedRequest;if(stream._writev&&entry&&entry.next){var l=state.bufferedRequestCount,buffer=Array(l),holder=state.corkedRequestsFree;holder.entry=entry;for(var count=0,allBuffers=!0;entry;)buffer[count]=entry,entry.isBuf||(allBuffers=!1),entry=entry.next,count+=1;buffer.allBuffers=allBuffers,doWrite(stream,state,!0,state.length,buffer,"",holder.finish),state.pendingcb++,state.lastBufferedRequest=null,holder.next?(state.corkedRequestsFree=holder.next,holder.next=null):state.corkedRequestsFree=new CorkedRequest(state),state.bufferedRequestCount=0}else{for(;entry;){var chunk=entry.chunk,encoding=entry.encoding,cb=entry.callback,len=state.objectMode?1:chunk.length;if(doWrite(stream,state,!1,len,chunk,encoding,cb),entry=entry.next,state.bufferedRequestCount--,state.writing)break}null===entry&&(state.lastBufferedRequest=null)}state.bufferedRequest=entry,state.bufferProcessing=!1}function needFinish(state){return state.ending&&0===state.length&&null===state.bufferedRequest&&!state.finished&&!state.writing}function callFinal(stream,state){stream._final(function(err){state.pendingcb--,err&&errorOrDestroy(stream,err),state.prefinished=!0,stream.emit("prefinish"),finishMaybe(stream,state)})}function prefinish(stream,state){state.prefinished||state.finalCalled||("function"!=typeof stream._final||state.destroyed?(state.prefinished=!0,stream.emit("prefinish")):(state.pendingcb++,state.finalCalled=!0,process.nextTick(callFinal,stream,state)))}function finishMaybe(stream,state){var need=needFinish(state);if(need&&(prefinish(stream,state),0===state.pendingcb&&(state.finished=!0,stream.emit("finish"),state.autoDestroy))){var rState=stream._readableState;(!rState||rState.autoDestroy&&rState.endEmitted)&&stream.destroy()}return need}function endWritable(stream,state,cb){state.ending=!0,finishMaybe(stream,state),cb&&(state.finished?process.nextTick(cb):stream.once("finish",cb)),state.ended=!0,stream.writable=!1}function onCorkedFinish(corkReq,state,err){var entry=corkReq.entry;for(corkReq.entry=null;entry;){var cb=entry.callback;state.pendingcb--,cb(err),entry=entry.next}state.corkedRequestsFree.next=corkReq}module.exports=Writable;var Duplex;Writable.WritableState=WritableState;var internalUtil={deprecate:require("util-deprecate")},Stream=require("./internal/streams/stream"),Buffer=require("buffer").Buffer,OurUint8Array=global.Uint8Array||function(){},destroyImpl=require("./internal/streams/destroy"),_require=require("./internal/streams/state"),getHighWaterMark=_require.getHighWaterMark,_require$codes=require("../errors").codes,ERR_INVALID_ARG_TYPE=_require$codes.ERR_INVALID_ARG_TYPE,ERR_METHOD_NOT_IMPLEMENTED=_require$codes.ERR_METHOD_NOT_IMPLEMENTED,ERR_MULTIPLE_CALLBACK=_require$codes.ERR_MULTIPLE_CALLBACK,ERR_STREAM_CANNOT_PIPE=_require$codes.ERR_STREAM_CANNOT_PIPE,ERR_STREAM_DESTROYED=_require$codes.ERR_STREAM_DESTROYED,ERR_STREAM_NULL_VALUES=_require$codes.ERR_STREAM_NULL_VALUES,ERR_STREAM_WRITE_AFTER_END=_require$codes.ERR_STREAM_WRITE_AFTER_END,ERR_UNKNOWN_ENCODING=_require$codes.ERR_UNKNOWN_ENCODING,errorOrDestroy=destroyImpl.errorOrDestroy;require("inherits")(Writable,Stream),WritableState.prototype.getBuffer=function getBuffer(){for(var current=this.bufferedRequest,out=[];current;)out.push(current),current=current.next;return out},function(){try{Object.defineProperty(WritableState.prototype,"buffer",{get:internalUtil.deprecate(function writableStateBufferGetter(){return this.getBuffer()},"_writableState.buffer is deprecated. Use _writableState.getBuffer instead.","DEP0003")})}catch(_){}}();var realHasInstance;"function"==typeof Symbol&&Symbol.hasInstance&&"function"==typeof Function.prototype[Symbol.hasInstance]?(realHasInstance=Function.prototype[Symbol.hasInstance],Object.defineProperty(Writable,Symbol.hasInstance,{value:function value(object){return!!realHasInstance.call(this,object)||!(this!==Writable)&&object&&object._writableState instanceof WritableState}})):realHasInstance=function realHasInstance(object){return object instanceof this},Writable.prototype.pipe=function(){errorOrDestroy(this,new ERR_STREAM_CANNOT_PIPE)},Writable.prototype.write=function(chunk,encoding,cb){var state=this._writableState,ret=!1,isBuf=!state.objectMode&&_isUint8Array(chunk);return isBuf&&!Buffer.isBuffer(chunk)&&(chunk=_uint8ArrayToBuffer(chunk)),"function"==typeof encoding&&(cb=encoding,encoding=null),isBuf?encoding="buffer":!encoding&&(encoding=state.defaultEncoding),"function"!=typeof cb&&(cb=nop),state.ending?writeAfterEnd(this,cb):(isBuf||validChunk(this,state,chunk,cb))&&(state.pendingcb++,ret=writeOrBuffer(this,state,isBuf,chunk,encoding,cb)),ret},Writable.prototype.cork=function(){this._writableState.corked++},Writable.prototype.uncork=function(){var state=this._writableState;state.corked&&(state.corked--,!state.writing&&!state.corked&&!state.bufferProcessing&&state.bufferedRequest&&clearBuffer(this,state))},Writable.prototype.setDefaultEncoding=function setDefaultEncoding(encoding){if("string"==typeof encoding&&(encoding=encoding.toLowerCase()),!(-1<["hex","utf8","utf-8","ascii","binary","base64","ucs2","ucs-2","utf16le","utf-16le","raw"].indexOf((encoding+"").toLowerCase())))throw new ERR_UNKNOWN_ENCODING(encoding);return this._writableState.defaultEncoding=encoding,this},Object.defineProperty(Writable.prototype,"writableBuffer",{enumerable:!1,get:function get(){return this._writableState&&this._writableState.getBuffer()}}),Object.defineProperty(Writable.prototype,"writableHighWaterMark",{enumerable:!1,get:function get(){return this._writableState.highWaterMark}}),Writable.prototype._write=function(chunk,encoding,cb){cb(new ERR_METHOD_NOT_IMPLEMENTED("_write()"))},Writable.prototype._writev=null,Writable.prototype.end=function(chunk,encoding,cb){var state=this._writableState;return"function"==typeof chunk?(cb=chunk,chunk=null,encoding=null):"function"==typeof encoding&&(cb=encoding,encoding=null),null!==chunk&&void 0!==chunk&&this.write(chunk,encoding),state.corked&&(state.corked=1,this.uncork()),state.ending||endWritable(this,state,cb),this},Object.defineProperty(Writable.prototype,"writableLength",{enumerable:!1,get:function get(){return this._writableState.length}}),Object.defineProperty(Writable.prototype,"destroyed",{enumerable:!1,get:function get(){return void 0!==this._writableState&&this._writableState.destroyed},set:function set(value){this._writableState&&(this._writableState.destroyed=value)}}),Writable.prototype.destroy=destroyImpl.destroy,Writable.prototype._undestroy=destroyImpl.undestroy,Writable.prototype._destroy=function(err,cb){cb(err)}}).call(this)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"../errors":213,"./_stream_duplex":214,"./internal/streams/destroy":221,"./internal/streams/state":225,"./internal/streams/stream":226,_process:192,buffer:75,inherits:146,"util-deprecate":276}],219:[function(require,module,exports){(function(process){(function(){"use strict";function _defineProperty(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj}function createIterResult(value,done){return{value:value,done:done}}function readAndResolve(iter){var resolve=iter[kLastResolve];if(null!==resolve){var data=iter[kStream].read();null!==data&&(iter[kLastPromise]=null,iter[kLastResolve]=null,iter[kLastReject]=null,resolve(createIterResult(data,!1)))}}function onReadable(iter){process.nextTick(readAndResolve,iter)}function wrapForNext(lastPromise,iter){return function(resolve,reject){lastPromise.then(function(){return iter[kEnded]?void resolve(createIterResult(void 0,!0)):void iter[kHandlePromise](resolve,reject)},reject)}}var finished=require("./end-of-stream"),kLastResolve=Symbol("lastResolve"),kLastReject=Symbol("lastReject"),kError=Symbol("error"),kEnded=Symbol("ended"),kLastPromise=Symbol("lastPromise"),kHandlePromise=Symbol("handlePromise"),kStream=Symbol("stream"),AsyncIteratorPrototype=Object.getPrototypeOf(function(){}),ReadableStreamAsyncIteratorPrototype=Object.setPrototypeOf((_Object$setPrototypeO={get stream(){return this[kStream]},next:function next(){var _this=this,error=this[kError];if(null!==error)return Promise.reject(error);if(this[kEnded])return Promise.resolve(createIterResult(void 0,!0));if(this[kStream].destroyed)return new Promise(function(resolve,reject){process.nextTick(function(){_this[kError]?reject(_this[kError]):resolve(createIterResult(void 0,!0))})});var lastPromise=this[kLastPromise],promise;if(lastPromise)promise=new Promise(wrapForNext(lastPromise,this));else{var data=this[kStream].read();if(null!==data)return Promise.resolve(createIterResult(data,!1));promise=new Promise(this[kHandlePromise])}return this[kLastPromise]=promise,promise}},_defineProperty(_Object$setPrototypeO,Symbol.asyncIterator,function(){return this}),_defineProperty(_Object$setPrototypeO,"return",function _return(){var _this2=this;return new Promise(function(resolve,reject){_this2[kStream].destroy(null,function(err){return err?void reject(err):void resolve(createIterResult(void 0,!0))})})}),_Object$setPrototypeO),AsyncIteratorPrototype),createReadableStreamAsyncIterator=function createReadableStreamAsyncIterator(stream){var iterator=Object.create(ReadableStreamAsyncIteratorPrototype,(_Object$create={},_defineProperty(_Object$create,kStream,{value:stream,writable:!0}),_defineProperty(_Object$create,kLastResolve,{value:null,writable:!0}),_defineProperty(_Object$create,kLastReject,{value:null,writable:!0}),_defineProperty(_Object$create,kError,{value:null,writable:!0}),_defineProperty(_Object$create,kEnded,{value:stream._readableState.endEmitted,writable:!0}),_defineProperty(_Object$create,kHandlePromise,{value:function value(resolve,reject){var data=iterator[kStream].read();data?(iterator[kLastPromise]=null,iterator[kLastResolve]=null,iterator[kLastReject]=null,resolve(createIterResult(data,!1))):(iterator[kLastResolve]=resolve,iterator[kLastReject]=reject)},writable:!0}),_Object$create)),_Object$create;return iterator[kLastPromise]=null,finished(stream,function(err){if(err&&"ERR_STREAM_PREMATURE_CLOSE"!==err.code){var reject=iterator[kLastReject];return null!==reject&&(iterator[kLastPromise]=null,iterator[kLastResolve]=null,iterator[kLastReject]=null,reject(err)),void(iterator[kError]=err)}var resolve=iterator[kLastResolve];null!==resolve&&(iterator[kLastPromise]=null,iterator[kLastResolve]=null,iterator[kLastReject]=null,resolve(createIterResult(void 0,!0))),iterator[kEnded]=!0}),stream.on("readable",onReadable.bind(null,iterator)),iterator},_Object$setPrototypeO;module.exports=createReadableStreamAsyncIterator}).call(this)}).call(this,require("_process"))},{"./end-of-stream":222,_process:192}],220:[function(require,module,exports){"use strict";function ownKeys(object,enumerableOnly){var keys=Object.keys(object);if(Object.getOwnPropertySymbols){var symbols=Object.getOwnPropertySymbols(object);enumerableOnly&&(symbols=symbols.filter(function(sym){return Object.getOwnPropertyDescriptor(object,sym).enumerable})),keys.push.apply(keys,symbols)}return keys}function _objectSpread(target){for(var i=1,source;i<arguments.length;i++)source=null==arguments[i]?{}:arguments[i],i%2?ownKeys(Object(source),!0).forEach(function(key){_defineProperty(target,key,source[key])}):Object.getOwnPropertyDescriptors?Object.defineProperties(target,Object.getOwnPropertyDescriptors(source)):ownKeys(Object(source)).forEach(function(key){Object.defineProperty(target,key,Object.getOwnPropertyDescriptor(source,key))});return target}function _defineProperty(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj}function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}function _defineProperties(target,props){for(var i=0,descriptor;i<props.length;i++)descriptor=props[i],descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}function _createClass(Constructor,protoProps,staticProps){return protoProps&&_defineProperties(Constructor.prototype,protoProps),staticProps&&_defineProperties(Constructor,staticProps),Constructor}function copyBuffer(src,target,offset){Buffer.prototype.copy.call(src,target,offset)}var _require=require("buffer"),Buffer=_require.Buffer,_require2=require("util"),inspect=_require2.inspect,custom=inspect&&inspect.custom||"inspect";module.exports=function(){function BufferList(){_classCallCheck(this,BufferList),this.head=null,this.tail=null,this.length=0}return _createClass(BufferList,[{key:"push",value:function push(v){var entry={data:v,next:null};0<this.length?this.tail.next=entry:this.head=entry,this.tail=entry,++this.length}},{key:"unshift",value:function unshift(v){var entry={data:v,next:this.head};0===this.length&&(this.tail=entry),this.head=entry,++this.length}},{key:"shift",value:function shift(){if(0!==this.length){var ret=this.head.data;return this.head=1===this.length?this.tail=null:this.head.next,--this.length,ret}}},{key:"clear",value:function clear(){this.head=this.tail=null,this.length=0}},{key:"join",value:function join(s){if(0===this.length)return"";for(var p=this.head,ret=""+p.data;p=p.next;)ret+=s+p.data;return ret}},{key:"concat",value:function concat(n){if(0===this.length)return Buffer.alloc(0);for(var ret=Buffer.allocUnsafe(n>>>0),p=this.head,i=0;p;)copyBuffer(p.data,ret,i),i+=p.data.length,p=p.next;return ret}},{key:"consume",value:function consume(n,hasStrings){var ret;return n<this.head.data.length?(ret=this.head.data.slice(0,n),this.head.data=this.head.data.slice(n)):n===this.head.data.length?ret=this.shift():ret=hasStrings?this._getString(n):this._getBuffer(n),ret}},{key:"first",value:function first(){return this.head.data}},{key:"_getString",value:function _getString(n){var p=this.head,c=1,ret=p.data;for(n-=ret.length;p=p.next;){var str=p.data,nb=n>str.length?str.length:n;if(ret+=nb===str.length?str:str.slice(0,n),n-=nb,0===n){nb===str.length?(++c,this.head=p.next?p.next:this.tail=null):(this.head=p,p.data=str.slice(nb));break}++c}return this.length-=c,ret}},{key:"_getBuffer",value:function _getBuffer(n){var ret=Buffer.allocUnsafe(n),p=this.head,c=1;for(p.data.copy(ret),n-=p.data.length;p=p.next;){var buf=p.data,nb=n>buf.length?buf.length:n;if(buf.copy(ret,ret.length-n,0,nb),n-=nb,0===n){nb===buf.length?(++c,this.head=p.next?p.next:this.tail=null):(this.head=p,p.data=buf.slice(nb));break}++c}return this.length-=c,ret}},{key:custom,value:function value(_,options){return inspect(this,_objectSpread({},options,{depth:0,customInspect:!1}))}}]),BufferList}()},{buffer:75,util:41}],221:[function(require,module,exports){(function(process){(function(){"use strict";function destroy(err,cb){var _this=this,readableDestroyed=this._readableState&&this._readableState.destroyed,writableDestroyed=this._writableState&&this._writableState.destroyed;return readableDestroyed||writableDestroyed?(cb?cb(err):err&&(this._writableState?!this._writableState.errorEmitted&&(this._writableState.errorEmitted=!0,process.nextTick(emitErrorNT,this,err)):process.nextTick(emitErrorNT,this,err)),this):(this._readableState&&(this._readableState.destroyed=!0),this._writableState&&(this._writableState.destroyed=!0),this._destroy(err||null,function(err){!cb&&err?_this._writableState?_this._writableState.errorEmitted?process.nextTick(emitCloseNT,_this):(_this._writableState.errorEmitted=!0,process.nextTick(emitErrorAndCloseNT,_this,err)):process.nextTick(emitErrorAndCloseNT,_this,err):cb?(process.nextTick(emitCloseNT,_this),cb(err)):process.nextTick(emitCloseNT,_this)}),this)}function emitErrorAndCloseNT(self,err){emitErrorNT(self,err),emitCloseNT(self)}function emitCloseNT(self){self._writableState&&!self._writableState.emitClose||self._readableState&&!self._readableState.emitClose||self.emit("close")}function undestroy(){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)}function emitErrorNT(self,err){self.emit("error",err)}function errorOrDestroy(stream,err){var rState=stream._readableState,wState=stream._writableState;rState&&rState.autoDestroy||wState&&wState.autoDestroy?stream.destroy(err):stream.emit("error",err)}module.exports={destroy:destroy,undestroy:undestroy,errorOrDestroy:errorOrDestroy}}).call(this)}).call(this,require("_process"))},{_process:192}],222:[function(require,module,exports){"use strict";function once(callback){var called=!1;return function(){if(!called){called=!0;for(var _len=arguments.length,args=Array(_len),_key=0;_key<_len;_key++)args[_key]=arguments[_key];callback.apply(this,args)}}}function noop(){}function isRequest(stream){return stream.setHeader&&"function"==typeof stream.abort}function eos(stream,opts,callback){if("function"==typeof opts)return eos(stream,null,opts);opts||(opts={}),callback=once(callback||noop);var readable=opts.readable||!1!==opts.readable&&stream.readable,writable=opts.writable||!1!==opts.writable&&stream.writable,onlegacyfinish=function onlegacyfinish(){stream.writable||onfinish()},writableEnded=stream._writableState&&stream._writableState.finished,onfinish=function onfinish(){writable=!1,writableEnded=!0,readable||callback.call(stream)},readableEnded=stream._readableState&&stream._readableState.endEmitted,onend=function onend(){readable=!1,readableEnded=!0,writable||callback.call(stream)},onerror=function onerror(err){callback.call(stream,err)},onclose=function onclose(){var err;return readable&&!readableEnded?(stream._readableState&&stream._readableState.ended||(err=new ERR_STREAM_PREMATURE_CLOSE),callback.call(stream,err)):writable&&!writableEnded?(stream._writableState&&stream._writableState.ended||(err=new ERR_STREAM_PREMATURE_CLOSE),callback.call(stream,err)):void 0},onrequest=function onrequest(){stream.req.on("finish",onfinish)};return isRequest(stream)?(stream.on("complete",onfinish),stream.on("abort",onclose),stream.req?onrequest():stream.on("request",onrequest)):writable&&!stream._writableState&&(stream.on("end",onlegacyfinish),stream.on("close",onlegacyfinish)),stream.on("end",onend),stream.on("finish",onfinish),!1!==opts.error&&stream.on("error",onerror),stream.on("close",onclose),function(){stream.removeListener("complete",onfinish),stream.removeListener("abort",onclose),stream.removeListener("request",onrequest),stream.req&&stream.req.removeListener("finish",onfinish),stream.removeListener("end",onlegacyfinish),stream.removeListener("close",onlegacyfinish),stream.removeListener("finish",onfinish),stream.removeListener("end",onend),stream.removeListener("error",onerror),stream.removeListener("close",onclose)}}var ERR_STREAM_PREMATURE_CLOSE=require("../../../errors").codes.ERR_STREAM_PREMATURE_CLOSE;module.exports=eos},{"../../../errors":213}],223:[function(require,module,exports){module.exports=function(){throw new Error("Readable.from is not available in the browser")}},{}],224:[function(require,module,exports){"use strict";function once(callback){var called=!1;return function(){called||(called=!0,callback.apply(void 0,arguments))}}function noop(err){if(err)throw err}function isRequest(stream){return stream.setHeader&&"function"==typeof stream.abort}function destroyer(stream,reading,writing,callback){callback=once(callback);var closed=!1;stream.on("close",function(){closed=!0}),eos===void 0&&(eos=require("./end-of-stream")),eos(stream,{readable:reading,writable:writing},function(err){return err?callback(err):void(closed=!0,callback())});var destroyed=!1;return function(err){if(!closed)return destroyed?void 0:(destroyed=!0,isRequest(stream)?stream.abort():"function"==typeof stream.destroy?stream.destroy():void callback(err||new ERR_STREAM_DESTROYED("pipe")))}}function call(fn){fn()}function pipe(from,to){return from.pipe(to)}function popCallback(streams){return streams.length?"function"==typeof streams[streams.length-1]?streams.pop():noop:noop}function pipeline(){for(var _len=arguments.length,streams=Array(_len),_key=0;_key<_len;_key++)streams[_key]=arguments[_key];var callback=popCallback(streams);if(Array.isArray(streams[0])&&(streams=streams[0]),2>streams.length)throw new ERR_MISSING_ARGS("streams");var destroys=streams.map(function(stream,i){var reading=i<streams.length-1,writing=0<i;return destroyer(stream,reading,writing,function(err){error||(error=err),err&&destroys.forEach(call),reading||(destroys.forEach(call),callback(error))})}),error;return streams.reduce(pipe)}var _require$codes=require("../../../errors").codes,ERR_MISSING_ARGS=_require$codes.ERR_MISSING_ARGS,ERR_STREAM_DESTROYED=_require$codes.ERR_STREAM_DESTROYED,eos;module.exports=pipeline},{"../../../errors":213,"./end-of-stream":222}],225:[function(require,module,exports){"use strict";function highWaterMarkFrom(options,isDuplex,duplexKey){return null==options.highWaterMark?isDuplex?options[duplexKey]:null:options.highWaterMark}function getHighWaterMark(state,options,duplexKey,isDuplex){var hwm=highWaterMarkFrom(options,isDuplex,duplexKey);if(null!=hwm){if(!(isFinite(hwm)&&_Mathfloor(hwm)===hwm)||0>hwm){var name=isDuplex?duplexKey:"highWaterMark";throw new ERR_INVALID_OPT_VALUE(name,hwm)}return _Mathfloor(hwm)}return state.objectMode?16:16384}var ERR_INVALID_OPT_VALUE=require("../../../errors").codes.ERR_INVALID_OPT_VALUE;module.exports={getHighWaterMark:getHighWaterMark}},{"../../../errors":213}],226:[function(require,module,exports){module.exports=require("events").EventEmitter},{events:122}],227:[function(require,module,exports){exports=module.exports=require("./lib/_stream_readable.js"),exports.Stream=exports,exports.Readable=exports,exports.Writable=require("./lib/_stream_writable.js"),exports.Duplex=require("./lib/_stream_duplex.js"),exports.Transform=require("./lib/_stream_transform.js"),exports.PassThrough=require("./lib/_stream_passthrough.js"),exports.finished=require("./lib/internal/streams/end-of-stream.js"),exports.pipeline=require("./lib/internal/streams/pipeline.js")},{"./lib/_stream_duplex.js":214,"./lib/_stream_passthrough.js":215,"./lib/_stream_readable.js":216,"./lib/_stream_transform.js":217,"./lib/_stream_writable.js":218,"./lib/internal/streams/end-of-stream.js":222,"./lib/internal/streams/pipeline.js":224}],228:[function(require,module,exports){function render(file,elem,opts,cb){"function"==typeof opts&&(cb=opts,opts={}),opts||(opts={}),cb||(cb=()=>{}),validateFile(file),parseOpts(opts),"string"==typeof elem&&(elem=document.querySelector(elem)),renderMedia(file,tagName=>{if(elem.nodeName!==tagName.toUpperCase()){const extname=path.extname(file.name).toLowerCase();throw new Error(`Cannot render "${extname}" inside a "${elem.nodeName.toLowerCase()}" element, expected "${tagName}"`)}return("video"===tagName||"audio"===tagName)&&setMediaOpts(elem,opts),elem},opts,cb)}function append(file,rootElem,opts,cb){function getElem(tagName){return"video"===tagName||"audio"===tagName?createMedia(tagName):createElem(tagName)}function createMedia(tagName){const elem=createElem(tagName);return setMediaOpts(elem,opts),rootElem.appendChild(elem),elem}function createElem(tagName){const elem=document.createElement(tagName);return rootElem.appendChild(elem),elem}function done(err,elem){err&&elem&&elem.remove(),cb(err,elem)}if("function"==typeof opts&&(cb=opts,opts={}),opts||(opts={}),cb||(cb=()=>{}),validateFile(file),parseOpts(opts),"string"==typeof rootElem&&(rootElem=document.querySelector(rootElem)),rootElem&&("VIDEO"===rootElem.nodeName||"AUDIO"===rootElem.nodeName))throw new Error("Invalid video/audio node argument. 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tagName=MEDIASOURCE_VIDEO_EXTS.includes(extname)?"video":"audio";MediaSource?VIDEOSTREAM_EXTS.includes(extname)?useVideostream():useMediaSource():useBlobURL()}function checkBlobLength(){return!("number"==typeof file.length&&file.length>opts.maxBlobLength)||(debug("File length too large for Blob URL approach: %d (max: %d)",file.length,opts.maxBlobLength),fatalError(new Error(`File length too large for Blob URL approach: ${file.length} (max: ${opts.maxBlobLength})`)),!1)}function renderMediaElement(type){checkBlobLength()&&(elem=getElem(type),getBlobURL(file,(err,url)=>err?fatalError(err):void(elem.addEventListener("error",fatalError),elem.addEventListener("loadstart",onLoadStart),elem.addEventListener("loadedmetadata",onLoadedMetadata),elem.src=url)))}function onLoadStart(){if(elem.removeEventListener("loadstart",onLoadStart),opts.autoplay){const playPromise=elem.play();"undefined"!=typeof playPromise&&playPromise.catch(fatalError)}}function onLoadedMetadata(){elem.removeEventListener("loadedmetadata",onLoadedMetadata),cb(null,elem)}function renderImage(){elem=getElem("img"),getBlobURL(file,(err,url)=>err?fatalError(err):void(elem.src=url,elem.alt=file.name,cb(null,elem)))}function renderIframe(){getBlobURL(file,(err,url)=>err?fatalError(err):void(".pdf"===extname?(elem=getElem("object"),elem.setAttribute("typemustmatch",!0),elem.setAttribute("type","application/pdf"),elem.setAttribute("data",url)):(elem=getElem("iframe"),elem.sandbox="allow-forms allow-scripts",elem.src=url),cb(null,elem)))}function tryRenderIframe(){function done(){isAscii(str)?(debug("File extension \"%s\" appears ascii, so will render.",extname),renderIframe()):(debug("File extension \"%s\" appears non-ascii, will not render.",extname),cb(new Error(`Unsupported file type "${extname}": Cannot append to DOM`)))}debug("Unknown file extension \"%s\" - will attempt to render into iframe",extname);let str="";file.createReadStream({start:0,end:1e3}).setEncoding("utf8").on("data",chunk=>{str+=chunk}).on("end",done).on("error",cb)}function fatalError(err){err.message=`Error rendering file "${file.name}": ${err.message}`,debug(err.message),cb(err)}const extname=path.extname(file.name).toLowerCase();let currentTime=0,elem;MEDIASOURCE_EXTS.includes(extname)?renderMediaSource():VIDEO_EXTS.includes(extname)?renderMediaElement("video"):AUDIO_EXTS.includes(extname)?renderMediaElement("audio"):IMAGE_EXTS.includes(extname)?renderImage():IFRAME_EXTS.includes(extname)?renderIframe():tryRenderIframe()}function getBlobURL(file,cb){const extname=path.extname(file.name).toLowerCase();streamToBlobURL(file.createReadStream(),exports.mime[extname]).then(blobUrl=>cb(null,blobUrl),err=>cb(err))}function validateFile(file){if(null==file)throw new Error("file cannot be null or undefined");if("string"!=typeof file.name)throw new Error("missing or invalid file.name property");if("function"!=typeof 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window&&window.MediaSource},{"./lib/mime.json":229,debug:90,"is-ascii":147,mediasource:159,path:184,"stream-to-blob-url":260,videostream:278}],229:[function(require,module,exports){module.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/x-m4a",".m4b":"audio/mp4",".m4p":"audio/mp4",".m4v":"video/x-m4v",".manifest":"text/cache-manifest",".markdown":"text/x-markdown",".mathml":"application/mathml+xml",".md":"text/x-markdown",".mid":"audio/midi",".midi":"audio/midi",".mov":"video/quicktime",".mp3":"audio/mpeg",".mp4":"video/mp4",".mp4v":"video/mp4",".mpeg":"video/mpeg",".mpg":"video/mpeg",".odp":"application/vnd.oasis.opendocument.presentation",".ods":"application/vnd.oasis.opendocument.spreadsheet",".odt":"application/vnd.oasis.opendocument.text",".oga":"audio/ogg",".ogg":"application/ogg",".pdf":"application/pdf",".png":"image/png",".pps":"application/vnd.ms-powerpoint",".ppt":"application/vnd.ms-powerpoint",".ps":"application/postscript",".psd":"image/vnd.adobe.photoshop",".qt":"video/quicktime",".rar":"application/x-rar-compressed",".rdf":"application/rdf+xml",".rss":"application/rss+xml",".rtf":"application/rtf",".svg":"image/svg+xml",".svgz":"image/svg+xml",".swf":"application/x-shockwave-flash",".tar":"application/x-tar",".tbz":"application/x-bzip-compressed-tar",".text":"text/plain",".tif":"image/tiff",".tiff":"image/tiff",".torrent":"application/x-bittorrent",".ttf":"application/x-font-ttf",".txt":"text/plain",".wav":"audio/wav",".webm":"video/webm",".wma":"audio/x-ms-wma",".wmv":"video/x-ms-wmv",".xls":"application/vnd.ms-excel",".xml":"application/xml",".yaml":"text/yaml",".yml":"text/yaml",".zip":"application/zip"}},{}],230:[function(require,module,exports){"use 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msgLen=this._offset,chunkLen=msgLen%this._maxChunkLen,padChunkLen=this._padChunk(chunkLen,msgLen);this._core.hash(padChunkLen,this._padMaxChunkLen);var result=getRawDigest(this._heap,this._padMaxChunkLen);return this._initState(this._heap,this._padMaxChunkLen),result},Rusha.prototype.end=function end(){return toHex(this.rawEnd().buffer)},Rusha}();module.exports=Rusha,module.exports._core=RushaCore},function(module,exports){for(var precomputedHex=Array(256),i=0;256>i;i++)precomputedHex[i]=(16>i?"0":"")+i.toString(16);module.exports.toHex=function(arrayBuffer){for(var binarray=new Uint8Array(arrayBuffer),res=Array(arrayBuffer.byteLength),_i=0;_i<res.length;_i++)res[_i]=precomputedHex[binarray[_i]];return res.join("")},module.exports.ceilHeapSize=function(v){var p=0;if(65536>=v)return 65536;if(16777216>v)for(p=1;p<v;p<<=1);else for(p=16777216;p<v;p+=16777216);return p},module.exports.isDedicatedWorkerScope=function(self){var isRunningInWorker="WorkerGlobalScope"in self&&self instanceof self.WorkerGlobalScope,isRunningInSharedWorker="SharedWorkerGlobalScope"in self&&self instanceof self.SharedWorkerGlobalScope,isRunningInServiceWorker="ServiceWorkerGlobalScope"in self&&self instanceof self.ServiceWorkerGlobalScope;return isRunningInWorker&&!isRunningInSharedWorker&&!isRunningInServiceWorker}},function(module,exports,__webpack_require__){module.exports=function(){var Rusha=__webpack_require__(0),hashData=function(hasher,data,cb){try{return cb(null,hasher.digest(data))}catch(e){return cb(e)}},hashFile=function(hasher,readTotal,blockSize,file,cb){var reader=new self.FileReader;reader.onloadend=function onloadend(){if(reader.error)return cb(reader.error);var buffer=reader.result;readTotal+=reader.result.byteLength;try{hasher.append(buffer)}catch(e){return void cb(e)}readTotal<file.size?hashFile(hasher,readTotal,blockSize,file,cb):cb(null,hasher.end())},reader.readAsArrayBuffer(file.slice(readTotal,readTotal+blockSize))},workerBehaviourEnabled=!0;return self.onmessage=function(event){if(workerBehaviourEnabled){var data=event.data.data,file=event.data.file,id=event.data.id;if("undefined"!=typeof id&&(file||data)){var blockSize=event.data.blockSize||4194304,hasher=new Rusha(blockSize);hasher.resetState();var done=function(err,hash){err?self.postMessage({id:id,error:err.name}):self.postMessage({id:id,hash:hash})};data&&hashData(hasher,data,done),file&&hashFile(hasher,0,blockSize,file,done)}}},function(){workerBehaviourEnabled=!1}}},function(module,exports,__webpack_require__){var work=__webpack_require__(4),Rusha=__webpack_require__(0),createHash=__webpack_require__(7),runWorker=__webpack_require__(2),_require=__webpack_require__(1),isDedicatedWorkerScope=_require.isDedicatedWorkerScope,isRunningInDedicatedWorker="undefined"!=typeof self&&isDedicatedWorkerScope(self);Rusha.disableWorkerBehaviour=isRunningInDedicatedWorker?runWorker():function(){},Rusha.createWorker=function(){var worker=work(2),terminate=worker.terminate;return worker.terminate=function(){URL.revokeObjectURL(worker.objectURL),terminate.call(worker)},worker},Rusha.createHash=createHash,module.exports=Rusha},function(module,exports,__webpack_require__){function webpackBootstrapFunc(modules){function __webpack_require__(moduleId){if(installedModules[moduleId])return installedModules[moduleId].exports;var module=installedModules[moduleId]={i:moduleId,l:!1,exports:{}};return modules[moduleId].call(module.exports,module,module.exports,__webpack_require__),module.l=!0,module.exports}var installedModules={};__webpack_require__.m=modules,__webpack_require__.c=installedModules,__webpack_require__.i=function(value){return value},__webpack_require__.d=function(exports,name,getter){__webpack_require__.o(exports,name)||Object.defineProperty(exports,name,{configurable:!1,enumerable:!0,get:getter})},__webpack_require__.r=function(exports){Object.defineProperty(exports,"__esModule",{value:!0})},__webpack_require__.n=function(module){var getter=module&&module.__esModule?function getDefault(){return module["default"]}:function getModuleExports(){return module};return __webpack_require__.d(getter,"a",getter),getter},__webpack_require__.o=function(object,property){return Object.prototype.hasOwnProperty.call(object,property)},__webpack_require__.p="/",__webpack_require__.oe=function(err){throw console.error(err),err};var f=__webpack_require__(__webpack_require__.s=ENTRY_MODULE);return f.default||f}function quoteRegExp(str){return(str+"").replace(/[.?*+^$[\]\\(){}|-]/g,"\\$&")}function getModuleDependencies(sources,module,queueName){var retval={};retval[queueName]=[];var fnString=module.toString(),wrapperSignature=fnString.match(/^function\s?\(\w+,\s*\w+,\s*(\w+)\)/);if(!wrapperSignature)return retval;for(var webpackRequireName=wrapperSignature[1],re=new RegExp("(\\\\n|\\W)"+quoteRegExp(webpackRequireName)+"\\((/\\*.*?\\*/)?s?.*?([\\.|\\-|\\+|\\w|/|@]+).*?\\)","g"),match;match=re.exec(fnString);)"dll-reference"!==match[3]&&retval[queueName].push(match[3]);for(re=new RegExp("\\("+quoteRegExp(webpackRequireName)+"\\(\"(dll-reference\\s([\\.|\\-|\\+|\\w|/|@]+))\"\\)\\)\\((/\\*.*?\\*/)?s?.*?([\\.|\\-|\\+|\\w|/|@]+).*?\\)","g");match=re.exec(fnString);)sources[match[2]]||(retval[queueName].push(match[1]),sources[match[2]]=__webpack_require__(match[1]).m),retval[match[2]]=retval[match[2]]||[],retval[match[2]].push(match[4]);return retval}function hasValuesInQueues(queues){var keys=Object.keys(queues);return keys.reduce(function(hasValues,key){return hasValues||0<queues[key].length},!1)}function getRequiredModules(sources,moduleId){for(var modulesQueue={main:[moduleId]},requiredModules={main:[]},seenModules={main:{}};hasValuesInQueues(modulesQueue);)for(var queues=Object.keys(modulesQueue),i=0;i<queues.length;i++){var queueName=queues[i],queue=modulesQueue[queueName],moduleToCheck=queue.pop();if(seenModules[queueName]=seenModules[queueName]||{},!seenModules[queueName][moduleToCheck]&&sources[queueName][moduleToCheck]){seenModules[queueName][moduleToCheck]=!0,requiredModules[queueName]=requiredModules[queueName]||[],requiredModules[queueName].push(moduleToCheck);for(var newModules=getModuleDependencies(sources,sources[queueName][moduleToCheck],queueName),newModulesKeys=Object.keys(newModules),j=0;j<newModulesKeys.length;j++)modulesQueue[newModulesKeys[j]]=modulesQueue[newModulesKeys[j]]||[],modulesQueue[newModulesKeys[j]]=modulesQueue[newModulesKeys[j]].concat(newModules[newModulesKeys[j]])}}return requiredModules}var moduleNameReqExp="[\\.|\\-|\\+|\\w|/|@]+",dependencyRegExp="\\((/\\*.*?\\*/)?s?.*?([\\.|\\-|\\+|\\w|/|@]+).*?\\)";module.exports=function(moduleId,options){options=options||{};var sources={main:__webpack_require__.m},requiredModules=options.all?{main:Object.keys(sources)}:getRequiredModules(sources,moduleId),src="";Object.keys(requiredModules).filter(function(m){return"main"!==m}).forEach(function(module){for(var entryModule=0;requiredModules[module][entryModule];)entryModule++;requiredModules[module].push(entryModule),sources[module][entryModule]="(function(module, exports, __webpack_require__) { module.exports = __webpack_require__; })",src=src+"var "+module+" = ("+webpackBootstrapFunc.toString().replace("ENTRY_MODULE",JSON.stringify(entryModule))+")({"+requiredModules[module].map(function(id){return""+JSON.stringify(id)+": "+sources[module][id].toString()}).join(",")+"});\n"}),src=src+"("+webpackBootstrapFunc.toString().replace("ENTRY_MODULE",JSON.stringify(moduleId))+")({"+requiredModules.main.map(function(id){return""+JSON.stringify(id)+": "+sources.main[id].toString()}).join(",")+"})(self);";var blob=new window.Blob([src],{type:"text/javascript"});if(options.bare)return blob;var URL=window.URL||window.webkitURL||window.mozURL||window.msURL,workerUrl=URL.createObjectURL(blob),worker=new window.Worker(workerUrl);return worker.objectURL=workerUrl,worker}},function(module,exports){module.exports=function RushaCore(stdlib$840,foreign$841,heap$842){"use asm";function hash$844(k$845,x$846){k$845|=0,x$846|=0;var i$847=0,j$848=0,y0$849=0,z0$850=0,y1$851=0,z1$852=0,y2$853=0,z2$854=0,y3$855=0,z3$856=0,y4$857=0,z4$858=0,t0$859=0,t1$860=0;for(y0$849=0|H$843[x$846+320>>2],y1$851=0|H$843[x$846+324>>2],y2$853=0|H$843[x$846+328>>2],y3$855=0|H$843[x$846+332>>2],y4$857=0|H$843[x$846+336>>2],i$847=0;(0|i$847)<(0|k$845);i$847=0|i$847+64){for(z0$850=y0$849,z1$852=y1$851,z2$854=y2$853,z3$856=y3$855,z4$858=y4$857,j$848=0;64>(0|j$848);j$848=0|j$848+4)t1$860=0|H$843[i$847+j$848>>2],t0$859=0|(0|(y0$849<<5|y0$849>>>27)+(y1$851&y2$853|~y1$851&y3$855))+(0|(0|t1$860+y4$857)+1518500249),y4$857=y3$855,y3$855=y2$853,y2$853=y1$851<<30|y1$851>>>2,y1$851=y0$849,y0$849=t0$859,H$843[k$845+j$848>>2]=t1$860;for(j$848=0|k$845+64;(0|j$848)<(0|k$845+80);j$848=0|j$848+4)t1$860=(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])<<1|(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])>>>31,t0$859=0|(0|(y0$849<<5|y0$849>>>27)+(y1$851&y2$853|~y1$851&y3$855))+(0|(0|t1$860+y4$857)+1518500249),y4$857=y3$855,y3$855=y2$853,y2$853=y1$851<<30|y1$851>>>2,y1$851=y0$849,y0$849=t0$859,H$843[j$848>>2]=t1$860;for(j$848=0|k$845+80;(0|j$848)<(0|k$845+160);j$848=0|j$848+4)t1$860=(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])<<1|(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])>>>31,t0$859=0|(0|(y0$849<<5|y0$849>>>27)+(y1$851^y2$853^y3$855))+(0|(0|t1$860+y4$857)+1859775393),y4$857=y3$855,y3$855=y2$853,y2$853=y1$851<<30|y1$851>>>2,y1$851=y0$849,y0$849=t0$859,H$843[j$848>>2]=t1$860;for(j$848=0|k$845+160;(0|j$848)<(0|k$845+240);j$848=0|j$848+4)t1$860=(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])<<1|(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])>>>31,t0$859=0|(0|(y0$849<<5|y0$849>>>27)+(y1$851&y2$853|y1$851&y3$855|y2$853&y3$855))+(0|(0|t1$860+y4$857)-1894007588),y4$857=y3$855,y3$855=y2$853,y2$853=y1$851<<30|y1$851>>>2,y1$851=y0$849,y0$849=t0$859,H$843[j$848>>2]=t1$860;for(j$848=0|k$845+240;(0|j$848)<(0|k$845+320);j$848=0|j$848+4)t1$860=(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])<<1|(H$843[j$848-12>>2]^H$843[j$848-32>>2]^H$843[j$848-56>>2]^H$843[j$848-64>>2])>>>31,t0$859=0|(0|(y0$849<<5|y0$849>>>27)+(y1$851^y2$853^y3$855))+(0|(0|t1$860+y4$857)-899497514),y4$857=y3$855,y3$855=y2$853,y2$853=y1$851<<30|y1$851>>>2,y1$851=y0$849,y0$849=t0$859,H$843[j$848>>2]=t1$860;y0$849=0|y0$849+z0$850,y1$851=0|y1$851+z1$852,y2$853=0|y2$853+z2$854,y3$855=0|y3$855+z3$856,y4$857=0|y4$857+z4$858}H$843[x$846+320>>2]=y0$849,H$843[x$846+324>>2]=y1$851,H$843[x$846+328>>2]=y2$853,H$843[x$846+332>>2]=y3$855,H$843[x$846+336>>2]=y4$857}var H$843=new stdlib$840.Int32Array(heap$842);return{hash:hash$844}}},function(module,exports){var _this=this,reader=void 0;"undefined"!=typeof self&&"undefined"!=typeof self.FileReaderSync&&(reader=new self.FileReaderSync);var convStr=function(str,H8,H32,start,len,off){var om=off%4,lm=(len+om)%4,j=len-lm,i;switch(om){case 0:H8[off]=str.charCodeAt(start+3);case 1:H8[0|off+1-(om<<1)]=str.charCodeAt(start+2);case 2:H8[0|off+2-(om<<1)]=str.charCodeAt(start+1);case 3:H8[0|off+3-(om<<1)]=str.charCodeAt(start);}if(!(len<lm+(4-om))){for(i=4-om;i<j;i=0|i+4)H32[off+i>>2]=str.charCodeAt(start+i)<<24|str.charCodeAt(start+i+1)<<16|str.charCodeAt(start+i+2)<<8|str.charCodeAt(start+i+3);switch(lm){case 3:H8[0|off+j+1]=str.charCodeAt(start+j+2);case 2:H8[0|off+j+2]=str.charCodeAt(start+j+1);case 1:H8[0|off+j+3]=str.charCodeAt(start+j);}}},convBuf=function(buf,H8,H32,start,len,off){var om=off%4,lm=(len+om)%4,j=len-lm,i;switch(om){case 0:H8[off]=buf[start+3];case 1:H8[0|off+1-(om<<1)]=buf[start+2];case 2:H8[0|off+2-(om<<1)]=buf[start+1];case 3:H8[0|off+3-(om<<1)]=buf[start];}if(!(len<lm+(4-om))){for(i=4-om;i<j;i=0|i+4)H32[0|off+i>>2]=buf[start+i]<<24|buf[start+i+1]<<16|buf[start+i+2]<<8|buf[start+i+3];switch(lm){case 3:H8[0|off+j+1]=buf[start+j+2];case 2:H8[0|off+j+2]=buf[start+j+1];case 1:H8[0|off+j+3]=buf[start+j];}}},convBlob=function(blob,H8,H32,start,len,off){var i=void 0,om=off%4,lm=(len+om)%4,j=len-lm,buf=new Uint8Array(reader.readAsArrayBuffer(blob.slice(start,start+len)));switch(om){case 0:H8[off]=buf[3];case 1:H8[0|off+1-(om<<1)]=buf[2];case 2:H8[0|off+2-(om<<1)]=buf[1];case 3:H8[0|off+3-(om<<1)]=buf[0];}if(!(len<lm+(4-om))){for(i=4-om;i<j;i=0|i+4)H32[0|off+i>>2]=buf[i]<<24|buf[i+1]<<16|buf[i+2]<<8|buf[i+3];switch(lm){case 3:H8[0|off+j+1]=buf[j+2];case 2:H8[0|off+j+2]=buf[j+1];case 1:H8[0|off+j+3]=buf[j];}}};module.exports=function(data,H8,H32,start,len,off){if("string"==typeof data)return convStr(data,H8,H32,start,len,off);if(data instanceof Array)return convBuf(data,H8,H32,start,len,off);if(_this&&_this.Buffer&&_this.Buffer.isBuffer(data))return convBuf(data,H8,H32,start,len,off);if(data instanceof ArrayBuffer)return convBuf(new Uint8Array(data),H8,H32,start,len,off);if(data.buffer instanceof ArrayBuffer)return convBuf(new Uint8Array(data.buffer,data.byteOffset,data.byteLength),H8,H32,start,len,off);if(data instanceof Blob)return convBlob(data,H8,H32,start,len,off);throw new Error("Unsupported data type.")}},function(module,exports,__webpack_require__){function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}var _createClass=function(){function defineProperties(target,props){for(var i=0,descriptor;i<props.length;i++)descriptor=props[i],descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}return function(Constructor,protoProps,staticProps){return protoProps&&defineProperties(Constructor.prototype,protoProps),staticProps&&defineProperties(Constructor,staticProps),Constructor}}(),Rusha=__webpack_require__(0),_require=__webpack_require__(1),toHex=_require.toHex,Hash=function(){function Hash(){_classCallCheck(this,Hash),this._rusha=new Rusha,this._rusha.resetState()}return Hash.prototype.update=function update(data){return this._rusha.append(data),this},Hash.prototype.digest=function digest(encoding){var digest=this._rusha.rawEnd().buffer;if(!encoding)return digest;if("hex"===encoding)return toHex(digest);throw new Error("unsupported digest encoding")},_createClass(Hash,[{key:"state",get:function(){return this._rusha.getState()},set:function(state){this._rusha.setState(state)}}]),Hash}();module.exports=function(){return new Hash}}])})},{}],234:[function(require,module,exports){function copyProps(src,dst){for(var key in src)dst[key]=src[key]}function SafeBuffer(arg,encodingOrOffset,length){return Buffer(arg,encodingOrOffset,length)}/*! safe-buffer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */var buffer=require("buffer"),Buffer=buffer.Buffer;Buffer.from&&Buffer.alloc&&Buffer.allocUnsafe&&Buffer.allocUnsafeSlow?module.exports=buffer:(copyProps(buffer,exports),exports.Buffer=SafeBuffer),SafeBuffer.prototype=Object.create(Buffer.prototype),copyProps(Buffer,SafeBuffer),SafeBuffer.from=function(arg,encodingOrOffset,length){if("number"==typeof arg)throw new TypeError("Argument must not be a number");return Buffer(arg,encodingOrOffset,length)},SafeBuffer.alloc=function(size,fill,encoding){if("number"!=typeof size)throw new TypeError("Argument must be a number");var buf=Buffer(size);return void 0===fill?buf.fill(0):"string"==typeof encoding?buf.fill(fill,encoding):buf.fill(fill),buf},SafeBuffer.allocUnsafe=function(size){if("number"!=typeof size)throw new TypeError("Argument must be a number");return Buffer(size)},SafeBuffer.allocUnsafeSlow=function(size){if("number"!=typeof size)throw new TypeError("Argument must be a number");return buffer.SlowBuffer(size)}},{buffer:75}],235:[function(require,module,exports){(function(process){(function(){"use strict";var buffer=require("buffer"),Buffer=buffer.Buffer,safer={},key;for(key in buffer)buffer.hasOwnProperty(key)&&"SlowBuffer"!==key&&"Buffer"!==key&&(safer[key]=buffer[key]);var Safer=safer.Buffer={};for(key in Buffer)Buffer.hasOwnProperty(key)&&"allocUnsafe"!==key&&"allocUnsafeSlow"!==key&&(Safer[key]=Buffer[key]);if(safer.Buffer.prototype=Buffer.prototype,Safer.from&&Safer.from!==Uint8Array.from||(Safer.from=function(value,encodingOrOffset,length){if("number"==typeof value)throw new TypeError("The \"value\" argument must not be of type number. 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Received type "+typeof size);if(0>size||2147483648<=size)throw new RangeError("The value \""+size+"\" is invalid for option \"size\"");var buf=Buffer(size);return fill&&0!==fill.length?"string"==typeof encoding?buf.fill(fill,encoding):buf.fill(fill):buf.fill(0),buf}),!safer.kStringMaxLength)try{safer.kStringMaxLength=process.binding("buffer").kStringMaxLength}catch(e){}safer.constants||(safer.constants={MAX_LENGTH:safer.kMaxLength},safer.kStringMaxLength&&(safer.constants.MAX_STRING_LENGTH=safer.kStringMaxLength)),module.exports=safer}).call(this)}).call(this,require("_process"))},{_process:192,buffer:75}],236:[function(require,module,exports){function Hash(blockSize,finalSize){this._block=Buffer.alloc(blockSize),this._finalSize=finalSize,this._blockSize=blockSize,this._len=0}var Buffer=require("safe-buffer").Buffer;Hash.prototype.update=function(data,enc){"string"==typeof data&&(enc=enc||"utf8",data=Buffer.from(data,enc));for(var block=this._block,blockSize=this._blockSize,length=data.length,accum=this._len,offset=0;offset<length;){for(var assigned=accum%blockSize,remainder=_Mathmin(length-offset,blockSize-assigned),i=0;i<remainder;i++)block[assigned+i]=data[offset+i];accum+=remainder,offset+=remainder,0==accum%blockSize&&this._update(block)}return this._len+=length,this},Hash.prototype.digest=function(enc){var rem=this._len%this._blockSize;this._block[rem]=128,this._block.fill(0,rem+1),rem>=this._finalSize&&(this._update(this._block),this._block.fill(0));var bits=8*this._len;if(4294967295>=bits)this._block.writeUInt32BE(bits,this._blockSize-4);else{var lowBits=(4294967295&bits)>>>0,highBits=(bits-lowBits)/4294967296;this._block.writeUInt32BE(highBits,this._blockSize-8),this._block.writeUInt32BE(lowBits,this._blockSize-4)}this._update(this._block);var hash=this._hash();return enc?hash.toString(enc):hash},Hash.prototype._update=function(){throw new Error("_update must be implemented by subclass")},module.exports=Hash},{"safe-buffer":234}],237:[function(require,module,exports){var exports=module.exports=function SHA(algorithm){algorithm=algorithm.toLowerCase();var Algorithm=exports[algorithm];if(!Algorithm)throw new Error(algorithm+" is not supported (we accept pull requests)");return new Algorithm};exports.sha=require("./sha"),exports.sha1=require("./sha1"),exports.sha224=require("./sha224"),exports.sha256=require("./sha256"),exports.sha384=require("./sha384"),exports.sha512=require("./sha512")},{"./sha":238,"./sha1":239,"./sha224":240,"./sha256":241,"./sha384":242,"./sha512":243}],238:[function(require,module,exports){function Sha(){this.init(),this._w=W,Hash.call(this,64,56)}function rotl5(num){return num<<5|num>>>27}function rotl30(num){return num<<30|num>>>2}function ft(s,b,c,d){return 0===s?b&c|~b&d:2===s?b&c|b&d|c&d:b^c^d}var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1518500249,1859775393,-1894007588,-899497514],W=Array(80);inherits(Sha,Hash),Sha.prototype.init=function(){return this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878,this._e=3285377520,this},Sha.prototype._update=function(M){for(var W=this._w,a=0|this._a,b=0|this._b,c=0|this._c,d=0|this._d,e=0|this._e,i=0;16>i;++i)W[i]=M.readInt32BE(4*i);for(;80>i;++i)W[i]=W[i-3]^W[i-8]^W[i-14]^W[i-16];for(var j=0;80>j;++j){var s=~~(j/20),t=0|rotl5(a)+ft(s,b,c,d)+e+W[j]+K[s];e=d,d=c,c=rotl30(b),b=a,a=t}this._a=0|a+this._a,this._b=0|b+this._b,this._c=0|c+this._c,this._d=0|d+this._d,this._e=0|e+this._e},Sha.prototype._hash=function(){var H=Buffer.allocUnsafe(20);return H.writeInt32BE(0|this._a,0),H.writeInt32BE(0|this._b,4),H.writeInt32BE(0|this._c,8),H.writeInt32BE(0|this._d,12),H.writeInt32BE(0|this._e,16),H},module.exports=Sha},{"./hash":236,inherits:146,"safe-buffer":234}],239:[function(require,module,exports){function Sha1(){this.init(),this._w=W,Hash.call(this,64,56)}function rotl1(num){return num<<1|num>>>31}function rotl5(num){return num<<5|num>>>27}function rotl30(num){return num<<30|num>>>2}function ft(s,b,c,d){return 0===s?b&c|~b&d:2===s?b&c|b&d|c&d:b^c^d}var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1518500249,1859775393,-1894007588,-899497514],W=Array(80);inherits(Sha1,Hash),Sha1.prototype.init=function(){return this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878,this._e=3285377520,this},Sha1.prototype._update=function(M){for(var W=this._w,a=0|this._a,b=0|this._b,c=0|this._c,d=0|this._d,e=0|this._e,i=0;16>i;++i)W[i]=M.readInt32BE(4*i);for(;80>i;++i)W[i]=rotl1(W[i-3]^W[i-8]^W[i-14]^W[i-16]);for(var j=0;80>j;++j){var s=~~(j/20),t=0|rotl5(a)+ft(s,b,c,d)+e+W[j]+K[s];e=d,d=c,c=rotl30(b),b=a,a=t}this._a=0|a+this._a,this._b=0|b+this._b,this._c=0|c+this._c,this._d=0|d+this._d,this._e=0|e+this._e},Sha1.prototype._hash=function(){var H=Buffer.allocUnsafe(20);return H.writeInt32BE(0|this._a,0),H.writeInt32BE(0|this._b,4),H.writeInt32BE(0|this._c,8),H.writeInt32BE(0|this._d,12),H.writeInt32BE(0|this._e,16),H},module.exports=Sha1},{"./hash":236,inherits:146,"safe-buffer":234}],240:[function(require,module,exports){function Sha224(){this.init(),this._w=W,Hash.call(this,64,56)}var inherits=require("inherits"),Sha256=require("./sha256"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,W=Array(64);inherits(Sha224,Sha256),Sha224.prototype.init=function(){return this._a=3238371032,this._b=914150663,this._c=812702999,this._d=4144912697,this._e=4290775857,this._f=1750603025,this._g=1694076839,this._h=3204075428,this},Sha224.prototype._hash=function(){var H=Buffer.allocUnsafe(28);return H.writeInt32BE(this._a,0),H.writeInt32BE(this._b,4),H.writeInt32BE(this._c,8),H.writeInt32BE(this._d,12),H.writeInt32BE(this._e,16),H.writeInt32BE(this._f,20),H.writeInt32BE(this._g,24),H},module.exports=Sha224},{"./hash":236,"./sha256":241,inherits:146,"safe-buffer":234}],241:[function(require,module,exports){function Sha256(){this.init(),this._w=W,Hash.call(this,64,56)}function ch(x,y,z){return z^x&(y^z)}function maj(x,y,z){return x&y|z&(x|y)}function sigma0(x){return(x>>>2|x<<30)^(x>>>13|x<<19)^(x>>>22|x<<10)}function sigma1(x){return(x>>>6|x<<26)^(x>>>11|x<<21)^(x>>>25|x<<7)}function gamma0(x){return(x>>>7|x<<25)^(x>>>18|x<<14)^x>>>3}function gamma1(x){return(x>>>17|x<<15)^(x>>>19|x<<13)^x>>>10}var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298],W=Array(64);inherits(Sha256,Hash),Sha256.prototype.init=function(){return this._a=1779033703,this._b=3144134277,this._c=1013904242,this._d=2773480762,this._e=1359893119,this._f=2600822924,this._g=528734635,this._h=1541459225,this},Sha256.prototype._update=function(M){for(var W=this._w,a=0|this._a,b=0|this._b,c=0|this._c,d=0|this._d,e=0|this._e,f=0|this._f,g=0|this._g,h=0|this._h,i=0;16>i;++i)W[i]=M.readInt32BE(4*i);for(;64>i;++i)W[i]=0|gamma1(W[i-2])+W[i-7]+gamma0(W[i-15])+W[i-16];for(var j=0;64>j;++j){var T1=0|h+sigma1(e)+ch(e,f,g)+K[j]+W[j],T2=0|sigma0(a)+maj(a,b,c);h=g,g=f,f=e,e=0|d+T1,d=c,c=b,b=a,a=0|T1+T2}this._a=0|a+this._a,this._b=0|b+this._b,this._c=0|c+this._c,this._d=0|d+this._d,this._e=0|e+this._e,this._f=0|f+this._f,this._g=0|g+this._g,this._h=0|h+this._h},Sha256.prototype._hash=function(){var H=Buffer.allocUnsafe(32);return H.writeInt32BE(this._a,0),H.writeInt32BE(this._b,4),H.writeInt32BE(this._c,8),H.writeInt32BE(this._d,12),H.writeInt32BE(this._e,16),H.writeInt32BE(this._f,20),H.writeInt32BE(this._g,24),H.writeInt32BE(this._h,28),H},module.exports=Sha256},{"./hash":236,inherits:146,"safe-buffer":234}],242:[function(require,module,exports){function Sha384(){this.init(),this._w=W,Hash.call(this,128,112)}var inherits=require("inherits"),SHA512=require("./sha512"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,W=Array(160);inherits(Sha384,SHA512),Sha384.prototype.init=function(){return this._ah=3418070365,this._bh=1654270250,this._ch=2438529370,this._dh=355462360,this._eh=1731405415,this._fh=2394180231,this._gh=3675008525,this._hh=1203062813,this._al=3238371032,this._bl=914150663,this._cl=812702999,this._dl=4144912697,this._el=4290775857,this._fl=1750603025,this._gl=1694076839,this._hl=3204075428,this},Sha384.prototype._hash=function(){function writeInt64BE(h,l,offset){H.writeInt32BE(h,offset),H.writeInt32BE(l,offset+4)}var H=Buffer.allocUnsafe(48);return writeInt64BE(this._ah,this._al,0),writeInt64BE(this._bh,this._bl,8),writeInt64BE(this._ch,this._cl,16),writeInt64BE(this._dh,this._dl,24),writeInt64BE(this._eh,this._el,32),writeInt64BE(this._fh,this._fl,40),H},module.exports=Sha384},{"./hash":236,"./sha512":243,inherits:146,"safe-buffer":234}],243:[function(require,module,exports){function Sha512(){this.init(),this._w=W,Hash.call(this,128,112)}function Ch(x,y,z){return z^x&(y^z)}function maj(x,y,z){return x&y|z&(x|y)}function sigma0(x,xl){return(x>>>28|xl<<4)^(xl>>>2|x<<30)^(xl>>>7|x<<25)}function sigma1(x,xl){return(x>>>14|xl<<18)^(x>>>18|xl<<14)^(xl>>>9|x<<23)}function Gamma0(x,xl){return(x>>>1|xl<<31)^(x>>>8|xl<<24)^x>>>7}function Gamma0l(x,xl){return(x>>>1|xl<<31)^(x>>>8|xl<<24)^(x>>>7|xl<<25)}function Gamma1(x,xl){return(x>>>19|xl<<13)^(xl>>>29|x<<3)^x>>>6}function Gamma1l(x,xl){return(x>>>19|xl<<13)^(xl>>>29|x<<3)^(x>>>6|xl<<26)}function getCarry(a,b){return a>>>0<b>>>0?1:0}var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1116352408,3609767458,1899447441,602891725,3049323471,3964484399,3921009573,2173295548,961987163,4081628472,1508970993,3053834265,2453635748,2937671579,2870763221,3664609560,3624381080,2734883394,310598401,1164996542,607225278,1323610764,1426881987,3590304994,1925078388,4068182383,2162078206,991336113,2614888103,633803317,3248222580,3479774868,3835390401,2666613458,4022224774,944711139,264347078,2341262773,604807628,2007800933,770255983,1495990901,1249150122,1856431235,1555081692,3175218132,1996064986,2198950837,2554220882,3999719339,2821834349,766784016,2952996808,2566594879,3210313671,3203337956,3336571891,1034457026,3584528711,2466948901,113926993,3758326383,338241895,168717936,666307205,1188179964,773529912,1546045734,1294757372,1522805485,1396182291,2643833823,1695183700,2343527390,1986661051,1014477480,2177026350,1206759142,2456956037,344077627,2730485921,1290863460,2820302411,3158454273,3259730800,3505952657,3345764771,106217008,3516065817,3606008344,3600352804,1432725776,4094571909,1467031594,275423344,851169720,430227734,3100823752,506948616,1363258195,659060556,3750685593,883997877,3785050280,958139571,3318307427,1322822218,3812723403,1537002063,2003034995,1747873779,3602036899,1955562222,1575990012,2024104815,1125592928,2227730452,2716904306,2361852424,442776044,2428436474,593698344,2756734187,3733110249,3204031479,2999351573,3329325298,3815920427,3391569614,3928383900,3515267271,566280711,3940187606,3454069534,4118630271,4000239992,116418474,1914138554,174292421,2731055270,289380356,3203993006,460393269,320620315,685471733,587496836,852142971,1086792851,1017036298,365543100,1126000580,2618297676,1288033470,3409855158,1501505948,4234509866,1607167915,987167468,1816402316,1246189591],W=Array(160);inherits(Sha512,Hash),Sha512.prototype.init=function(){return this._ah=1779033703,this._bh=3144134277,this._ch=1013904242,this._dh=2773480762,this._eh=1359893119,this._fh=2600822924,this._gh=528734635,this._hh=1541459225,this._al=4089235720,this._bl=2227873595,this._cl=4271175723,this._dl=1595750129,this._el=2917565137,this._fl=725511199,this._gl=4215389547,this._hl=327033209,this},Sha512.prototype._update=function(M){for(var W=this._w,ah=0|this._ah,bh=0|this._bh,ch=0|this._ch,dh=0|this._dh,eh=0|this._eh,fh=0|this._fh,gh=0|this._gh,hh=0|this._hh,al=0|this._al,bl=0|this._bl,cl=0|this._cl,dl=0|this._dl,el=0|this._el,fl=0|this._fl,gl=0|this._gl,hl=0|this._hl,i=0;32>i;i+=2)W[i]=M.readInt32BE(4*i),W[i+1]=M.readInt32BE(4*i+4);for(;160>i;i+=2){var xh=W[i-30],xl=W[i-30+1],gamma0=Gamma0(xh,xl),gamma0l=Gamma0l(xl,xh);xh=W[i-4],xl=W[i-4+1];var gamma1=Gamma1(xh,xl),gamma1l=Gamma1l(xl,xh),Wi7h=W[i-14],Wi7l=W[i-14+1],Wi16h=W[i-32],Wi16l=W[i-32+1],Wil=0|gamma0l+Wi7l,Wih=0|gamma0+Wi7h+getCarry(Wil,gamma0l);Wil=0|Wil+gamma1l,Wih=0|Wih+gamma1+getCarry(Wil,gamma1l),Wil=0|Wil+Wi16l,Wih=0|Wih+Wi16h+getCarry(Wil,Wi16l),W[i]=Wih,W[i+1]=Wil}for(var j=0;160>j;j+=2){Wih=W[j],Wil=W[j+1];var majh=maj(ah,bh,ch),majl=maj(al,bl,cl),sigma0h=sigma0(ah,al),sigma0l=sigma0(al,ah),sigma1h=sigma1(eh,el),sigma1l=sigma1(el,eh),Kih=K[j],Kil=K[j+1],chh=Ch(eh,fh,gh),chl=Ch(el,fl,gl),t1l=0|hl+sigma1l,t1h=0|hh+sigma1h+getCarry(t1l,hl);t1l=0|t1l+chl,t1h=0|t1h+chh+getCarry(t1l,chl),t1l=0|t1l+Kil,t1h=0|t1h+Kih+getCarry(t1l,Kil),t1l=0|t1l+Wil,t1h=0|t1h+Wih+getCarry(t1l,Wil);var t2l=0|sigma0l+majl,t2h=0|sigma0h+majh+getCarry(t2l,sigma0l);hh=gh,hl=gl,gh=fh,gl=fl,fh=eh,fl=el,el=0|dl+t1l,eh=0|dh+t1h+getCarry(el,dl),dh=ch,dl=cl,ch=bh,cl=bl,bh=ah,bl=al,al=0|t1l+t2l,ah=0|t1h+t2h+getCarry(al,t1l)}this._al=0|this._al+al,this._bl=0|this._bl+bl,this._cl=0|this._cl+cl,this._dl=0|this._dl+dl,this._el=0|this._el+el,this._fl=0|this._fl+fl,this._gl=0|this._gl+gl,this._hl=0|this._hl+hl,this._ah=0|this._ah+ah+getCarry(this._al,al),this._bh=0|this._bh+bh+getCarry(this._bl,bl),this._ch=0|this._ch+ch+getCarry(this._cl,cl),this._dh=0|this._dh+dh+getCarry(this._dl,dl),this._eh=0|this._eh+eh+getCarry(this._el,el),this._fh=0|this._fh+fh+getCarry(this._fl,fl),this._gh=0|this._gh+gh+getCarry(this._gl,gl),this._hh=0|this._hh+hh+getCarry(this._hl,hl)},Sha512.prototype._hash=function(){function writeInt64BE(h,l,offset){H.writeInt32BE(h,offset),H.writeInt32BE(l,offset+4)}var H=Buffer.allocUnsafe(64);return writeInt64BE(this._ah,this._al,0),writeInt64BE(this._bh,this._bl,8),writeInt64BE(this._ch,this._cl,16),writeInt64BE(this._dh,this._dl,24),writeInt64BE(this._eh,this._el,32),writeInt64BE(this._fh,this._fl,40),writeInt64BE(this._gh,this._gl,48),writeInt64BE(this._hh,this._hl,56),H},module.exports=Sha512},{"./hash":236,inherits:146,"safe-buffer":234}],244:[function(require,module,exports){(function(Buffer){(function(){/*! simple-concat. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */module.exports=function(stream,cb){var chunks=[];stream.on("data",function(chunk){chunks.push(chunk)}),stream.once("end",function(){cb&&cb(null,Buffer.concat(chunks)),cb=null}),stream.once("error",function(err){cb&&cb(err),cb=null})}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75}],245:[function(require,module,exports){(function(Buffer){(function(){function simpleGet(opts,cb){if(opts=Object.assign({maxRedirects:10},"string"==typeof opts?{url:opts}:opts),cb=once(cb),opts.url){const{hostname,port,protocol,auth,path}=url.parse(opts.url);delete opts.url,hostname||port||protocol||auth?Object.assign(opts,{hostname,port,protocol,auth,path}):opts.path=path}const headers={"accept-encoding":"gzip, deflate"};opts.headers&&Object.keys(opts.headers).forEach(k=>headers[k.toLowerCase()]=opts.headers[k]),opts.headers=headers;let body;opts.body?body=opts.json&&!isStream(opts.body)?JSON.stringify(opts.body):opts.body:opts.form&&(body="string"==typeof opts.form?opts.form:querystring.stringify(opts.form),opts.headers["content-type"]="application/x-www-form-urlencoded"),body&&(!opts.method&&(opts.method="POST"),!isStream(body)&&(opts.headers["content-length"]=Buffer.byteLength(body)),opts.json&&!opts.form&&(opts.headers["content-type"]="application/json")),delete opts.body,delete opts.form,opts.json&&(opts.headers.accept="application/json"),opts.method&&(opts.method=opts.method.toUpperCase());const originalHost=opts.hostname,protocol="https:"===opts.protocol?https:http,req=protocol.request(opts,res=>{if(!1!==opts.followRedirects&&300<=res.statusCode&&400>res.statusCode&&res.headers.location){opts.url=res.headers.location,delete opts.headers.host,res.resume();const redirectHost=url.parse(opts.url).hostname;return null!==redirectHost&&redirectHost!==originalHost&&(delete opts.headers.cookie,delete opts.headers.authorization),"POST"===opts.method&&[301,302].includes(res.statusCode)&&(opts.method="GET",delete opts.headers["content-length"],delete opts.headers["content-type"]),0==opts.maxRedirects--?cb(new Error("too many redirects")):simpleGet(opts,cb)}const tryUnzip="function"==typeof decompressResponse&&"HEAD"!==opts.method;cb(null,tryUnzip?decompressResponse(res):res)});return req.on("timeout",()=>{req.abort(),cb(new Error("Request timed out"))}),req.on("error",cb),isStream(body)?body.on("error",cb).pipe(req):req.end(body),req}module.exports=simpleGet;const concat=require("simple-concat"),decompressResponse=require("decompress-response"),http=require("http"),https=require("https"),once=require("once"),querystring=require("querystring"),url=require("url"),isStream=o=>null!==o&&"object"==typeof o&&"function"==typeof o.pipe;simpleGet.concat=(opts,cb)=>simpleGet(opts,(err,res)=>err?cb(err):void concat(res,(err,data)=>{if(err)return cb(err);if(opts.json)try{data=JSON.parse(data.toString())}catch(err){return cb(err,res,data)}cb(null,res,data)})),["get","post","put","patch","head","delete"].forEach(method=>{simpleGet[method]=(opts,cb)=>("string"==typeof opts&&(opts={url:opts}),simpleGet(Object.assign({method:method.toUpperCase()},opts),cb))})}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75,"decompress-response":41,http:256,https:143,once:177,querystring:204,"simple-concat":244,url:273}],246:[function(require,module,exports){function filterTrickle(sdp){return sdp.replace(/a=ice-options:trickle\s\n/g,"")}function warn(message){console.warn(message)}/*! simple-peer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */const debug=require("debug")("simple-peer"),getBrowserRTC=require("get-browser-rtc"),randombytes=require("randombytes"),stream=require("readable-stream"),queueMicrotask=require("queue-microtask"),errCode=require("err-code"),{Buffer}=require("buffer"),MAX_BUFFERED_AMOUNT=65536,ICECOMPLETE_TIMEOUT=5000,CHANNEL_CLOSING_TIMEOUT=5000;class Peer extends stream.Duplex{constructor(opts){if(opts=Object.assign({allowHalfOpen:!1},opts),super(opts),this._id=randombytes(4).toString("hex").slice(0,7),this._debug("new peer %o",opts),this.channelName=opts.initiator?opts.channelName||randombytes(20).toString("hex"):null,this.initiator=opts.initiator||!1,this.channelConfig=opts.channelConfig||Peer.channelConfig,this.channelNegotiated=this.channelConfig.negotiated,this.config=Object.assign({},Peer.config,opts.config),this.offerOptions=opts.offerOptions||{},this.answerOptions=opts.answerOptions||{},this.sdpTransform=opts.sdpTransform||(sdp=>sdp),this.streams=opts.streams||(opts.stream?[opts.stream]:[]),this.trickle=void 0===opts.trickle||opts.trickle,this.allowHalfTrickle=void 0!==opts.allowHalfTrickle&&opts.allowHalfTrickle,this.iceCompleteTimeout=opts.iceCompleteTimeout||ICECOMPLETE_TIMEOUT,this.destroyed=!1,this.destroying=!1,this._connected=!1,this.remoteAddress=void 0,this.remoteFamily=void 0,this.remotePort=void 0,this.localAddress=void 0,this.localFamily=void 0,this.localPort=void 0,this._wrtc=opts.wrtc&&"object"==typeof opts.wrtc?opts.wrtc:getBrowserRTC(),!this._wrtc)if("undefined"==typeof window)throw errCode(new Error("No WebRTC support: Specify `opts.wrtc` option in this environment"),"ERR_WEBRTC_SUPPORT");else throw errCode(new Error("No WebRTC support: Not a supported browser"),"ERR_WEBRTC_SUPPORT");this._pcReady=!1,this._channelReady=!1,this._iceComplete=!1,this._iceCompleteTimer=null,this._channel=null,this._pendingCandidates=[],this._isNegotiating=!1,this._firstNegotiation=!0,this._batchedNegotiation=!1,this._queuedNegotiation=!1,this._sendersAwaitingStable=[],this._senderMap=new Map,this._closingInterval=null,this._remoteTracks=[],this._remoteStreams=[],this._chunk=null,this._cb=null,this._interval=null;try{this._pc=new this._wrtc.RTCPeerConnection(this.config)}catch(err){return void this.destroy(errCode(err,"ERR_PC_CONSTRUCTOR"))}this._isReactNativeWebrtc="number"==typeof this._pc._peerConnectionId,this._pc.oniceconnectionstatechange=()=>{this._onIceStateChange()},this._pc.onicegatheringstatechange=()=>{this._onIceStateChange()},this._pc.onconnectionstatechange=()=>{this._onConnectionStateChange()},this._pc.onsignalingstatechange=()=>{this._onSignalingStateChange()},this._pc.onicecandidate=event=>{this._onIceCandidate(event)},"object"==typeof this._pc.peerIdentity&&this._pc.peerIdentity.catch(err=>{this.destroy(errCode(err,"ERR_PC_PEER_IDENTITY"))}),this.initiator||this.channelNegotiated?this._setupData({channel:this._pc.createDataChannel(this.channelName,this.channelConfig)}):this._pc.ondatachannel=event=>{this._setupData(event)},this.streams&&this.streams.forEach(stream=>{this.addStream(stream)}),this._pc.ontrack=event=>{this._onTrack(event)},this._debug("initial negotiation"),this._needsNegotiation(),this._onFinishBound=()=>{this._onFinish()},this.once("finish",this._onFinishBound)}get bufferSize(){return this._channel&&this._channel.bufferedAmount||0}get connected(){return this._connected&&"open"===this._channel.readyState}address(){return{port:this.localPort,family:this.localFamily,address:this.localAddress}}signal(data){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot signal after peer is destroyed"),"ERR_DESTROYED");if("string"==typeof data)try{data=JSON.parse(data)}catch(err){data={}}this._debug("signal()"),data.renegotiate&&this.initiator&&(this._debug("got request to renegotiate"),this._needsNegotiation()),data.transceiverRequest&&this.initiator&&(this._debug("got request for transceiver"),this.addTransceiver(data.transceiverRequest.kind,data.transceiverRequest.init)),data.candidate&&(this._pc.remoteDescription&&this._pc.remoteDescription.type?this._addIceCandidate(data.candidate):this._pendingCandidates.push(data.candidate)),data.sdp&&this._pc.setRemoteDescription(new this._wrtc.RTCSessionDescription(data)).then(()=>{this.destroyed||(this._pendingCandidates.forEach(candidate=>{this._addIceCandidate(candidate)}),this._pendingCandidates=[],"offer"===this._pc.remoteDescription.type&&this._createAnswer())}).catch(err=>{this.destroy(errCode(err,"ERR_SET_REMOTE_DESCRIPTION"))}),data.sdp||data.candidate||data.renegotiate||data.transceiverRequest||this.destroy(errCode(new Error("signal() called with invalid signal data"),"ERR_SIGNALING"))}}_addIceCandidate(candidate){const iceCandidateObj=new this._wrtc.RTCIceCandidate(candidate);this._pc.addIceCandidate(iceCandidateObj).catch(err=>{!iceCandidateObj.address||iceCandidateObj.address.endsWith(".local")?warn("Ignoring unsupported ICE candidate."):this.destroy(errCode(err,"ERR_ADD_ICE_CANDIDATE"))})}send(chunk){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot send after peer is destroyed"),"ERR_DESTROYED");this._channel.send(chunk)}}addTransceiver(kind,init){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot addTransceiver after peer is destroyed"),"ERR_DESTROYED");if(this._debug("addTransceiver()"),this.initiator)try{this._pc.addTransceiver(kind,init),this._needsNegotiation()}catch(err){this.destroy(errCode(err,"ERR_ADD_TRANSCEIVER"))}else this.emit("signal",{type:"transceiverRequest",transceiverRequest:{kind,init}})}}addStream(stream){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot addStream after peer is destroyed"),"ERR_DESTROYED");this._debug("addStream()"),stream.getTracks().forEach(track=>{this.addTrack(track,stream)})}}addTrack(track,stream){if(this.destroying)return;if(this.destroyed)throw errCode(new Error("cannot addTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("addTrack()");const submap=this._senderMap.get(track)||new Map;let sender=submap.get(stream);if(!sender)sender=this._pc.addTrack(track,stream),submap.set(stream,sender),this._senderMap.set(track,submap),this._needsNegotiation();else if(sender.removed)throw errCode(new Error("Track has been removed. You should enable/disable tracks that you want to re-add."),"ERR_SENDER_REMOVED");else throw errCode(new Error("Track has already been added to that stream."),"ERR_SENDER_ALREADY_ADDED")}replaceTrack(oldTrack,newTrack,stream){if(this.destroying)return;if(this.destroyed)throw errCode(new Error("cannot replaceTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("replaceTrack()");const submap=this._senderMap.get(oldTrack),sender=submap?submap.get(stream):null;if(!sender)throw errCode(new Error("Cannot replace track that was never added."),"ERR_TRACK_NOT_ADDED");newTrack&&this._senderMap.set(newTrack,submap),null==sender.replaceTrack?this.destroy(errCode(new Error("replaceTrack is not supported in this browser"),"ERR_UNSUPPORTED_REPLACETRACK")):sender.replaceTrack(newTrack)}removeTrack(track,stream){if(this.destroying)return;if(this.destroyed)throw errCode(new Error("cannot removeTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("removeSender()");const submap=this._senderMap.get(track),sender=submap?submap.get(stream):null;if(!sender)throw errCode(new Error("Cannot remove track that was never added."),"ERR_TRACK_NOT_ADDED");try{sender.removed=!0,this._pc.removeTrack(sender)}catch(err){"NS_ERROR_UNEXPECTED"===err.name?this._sendersAwaitingStable.push(sender):this.destroy(errCode(err,"ERR_REMOVE_TRACK"))}this._needsNegotiation()}removeStream(stream){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot removeStream after peer is destroyed"),"ERR_DESTROYED");this._debug("removeSenders()"),stream.getTracks().forEach(track=>{this.removeTrack(track,stream)})}}_needsNegotiation(){this._debug("_needsNegotiation");this._batchedNegotiation||(this._batchedNegotiation=!0,queueMicrotask(()=>{this._batchedNegotiation=!1,this.initiator||!this._firstNegotiation?(this._debug("starting batched negotiation"),this.negotiate()):this._debug("non-initiator initial negotiation request discarded"),this._firstNegotiation=!1}))}negotiate(){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot negotiate after peer is destroyed"),"ERR_DESTROYED");this.initiator?this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, queueing")):(this._debug("start negotiation"),setTimeout(()=>{this._createOffer()},0)):this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, queueing")):(this._debug("requesting negotiation from initiator"),this.emit("signal",{type:"renegotiate",renegotiate:!0})),this._isNegotiating=!0}}destroy(err){this._destroy(err,()=>{})}_destroy(err,cb){this.destroyed||this.destroying||(this.destroying=!0,this._debug("destroying (error: %s)",err&&(err.message||err)),queueMicrotask(()=>{if(this.destroyed=!0,this.destroying=!1,this._debug("destroy (error: %s)",err&&(err.message||err)),this.readable=this.writable=!1,this._readableState.ended||this.push(null),this._writableState.finished||this.end(),this._connected=!1,this._pcReady=!1,this._channelReady=!1,this._remoteTracks=null,this._remoteStreams=null,this._senderMap=null,clearInterval(this._closingInterval),this._closingInterval=null,clearInterval(this._interval),this._interval=null,this._chunk=null,this._cb=null,this._onFinishBound&&this.removeListener("finish",this._onFinishBound),this._onFinishBound=null,this._channel){try{this._channel.close()}catch(err){}this._channel.onmessage=null,this._channel.onopen=null,this._channel.onclose=null,this._channel.onerror=null}if(this._pc){try{this._pc.close()}catch(err){}this._pc.oniceconnectionstatechange=null,this._pc.onicegatheringstatechange=null,this._pc.onsignalingstatechange=null,this._pc.onicecandidate=null,this._pc.ontrack=null,this._pc.ondatachannel=null}this._pc=null,this._channel=null,err&&this.emit("error",err),this.emit("close"),cb()}))}_setupData(event){if(!event.channel)return this.destroy(errCode(new Error("Data channel event is missing `channel` property"),"ERR_DATA_CHANNEL"));this._channel=event.channel,this._channel.binaryType="arraybuffer","number"==typeof this._channel.bufferedAmountLowThreshold&&(this._channel.bufferedAmountLowThreshold=MAX_BUFFERED_AMOUNT),this.channelName=this._channel.label,this._channel.onmessage=event=>{this._onChannelMessage(event)},this._channel.onbufferedamountlow=()=>{this._onChannelBufferedAmountLow()},this._channel.onopen=()=>{this._onChannelOpen()},this._channel.onclose=()=>{this._onChannelClose()},this._channel.onerror=event=>{const err=event.error instanceof Error?event.error:new Error(`Datachannel error: ${event.message} ${event.filename}:${event.lineno}:${event.colno}`);this.destroy(errCode(err,"ERR_DATA_CHANNEL"))};let isClosing=!1;this._closingInterval=setInterval(()=>{this._channel&&"closing"===this._channel.readyState?(isClosing&&this._onChannelClose(),isClosing=!0):isClosing=!1},CHANNEL_CLOSING_TIMEOUT)}_read(){}_write(chunk,encoding,cb){if(this.destroyed)return cb(errCode(new Error("cannot write after peer is destroyed"),"ERR_DATA_CHANNEL"));if(this._connected){try{this.send(chunk)}catch(err){return this.destroy(errCode(err,"ERR_DATA_CHANNEL"))}this._channel.bufferedAmount>MAX_BUFFERED_AMOUNT?(this._debug("start backpressure: bufferedAmount %d",this._channel.bufferedAmount),this._cb=cb):cb(null)}else this._debug("write before connect"),this._chunk=chunk,this._cb=cb}_onFinish(){if(!this.destroyed){const destroySoon=()=>{setTimeout(()=>this.destroy(),1e3)};this._connected?destroySoon():this.once("connect",destroySoon)}}_startIceCompleteTimeout(){this.destroyed||this._iceCompleteTimer||(this._debug("started iceComplete timeout"),this._iceCompleteTimer=setTimeout(()=>{this._iceComplete||(this._iceComplete=!0,this._debug("iceComplete timeout completed"),this.emit("iceTimeout"),this.emit("_iceComplete"))},this.iceCompleteTimeout))}_createOffer(){this.destroyed||this._pc.createOffer(this.offerOptions).then(offer=>{if(this.destroyed)return;this.trickle||this.allowHalfTrickle||(offer.sdp=filterTrickle(offer.sdp)),offer.sdp=this.sdpTransform(offer.sdp);const sendOffer=()=>{if(!this.destroyed){const signal=this._pc.localDescription||offer;this._debug("signal"),this.emit("signal",{type:signal.type,sdp:signal.sdp})}},onSuccess=()=>{this._debug("createOffer success");this.destroyed||(this.trickle||this._iceComplete?sendOffer():this.once("_iceComplete",sendOffer))},onError=err=>{this.destroy(errCode(err,"ERR_SET_LOCAL_DESCRIPTION"))};this._pc.setLocalDescription(offer).then(onSuccess).catch(onError)}).catch(err=>{this.destroy(errCode(err,"ERR_CREATE_OFFER"))})}_requestMissingTransceivers(){this._pc.getTransceivers&&this._pc.getTransceivers().forEach(transceiver=>{transceiver.mid||!transceiver.sender.track||transceiver.requested||(transceiver.requested=!0,this.addTransceiver(transceiver.sender.track.kind))})}_createAnswer(){this.destroyed||this._pc.createAnswer(this.answerOptions).then(answer=>{if(this.destroyed)return;this.trickle||this.allowHalfTrickle||(answer.sdp=filterTrickle(answer.sdp)),answer.sdp=this.sdpTransform(answer.sdp);const sendAnswer=()=>{if(!this.destroyed){const signal=this._pc.localDescription||answer;this._debug("signal"),this.emit("signal",{type:signal.type,sdp:signal.sdp}),this.initiator||this._requestMissingTransceivers()}},onSuccess=()=>{this.destroyed||(this.trickle||this._iceComplete?sendAnswer():this.once("_iceComplete",sendAnswer))},onError=err=>{this.destroy(errCode(err,"ERR_SET_LOCAL_DESCRIPTION"))};this._pc.setLocalDescription(answer).then(onSuccess).catch(onError)}).catch(err=>{this.destroy(errCode(err,"ERR_CREATE_ANSWER"))})}_onConnectionStateChange(){this.destroyed||"failed"===this._pc.connectionState&&this.destroy(errCode(new Error("Connection failed."),"ERR_CONNECTION_FAILURE"))}_onIceStateChange(){if(this.destroyed)return;const iceConnectionState=this._pc.iceConnectionState,iceGatheringState=this._pc.iceGatheringState;this._debug("iceStateChange (connection: %s) (gathering: %s)",iceConnectionState,iceGatheringState),this.emit("iceStateChange",iceConnectionState,iceGatheringState),("connected"===iceConnectionState||"completed"===iceConnectionState)&&(this._pcReady=!0,this._maybeReady()),"failed"===iceConnectionState&&this.destroy(errCode(new Error("Ice connection failed."),"ERR_ICE_CONNECTION_FAILURE")),"closed"===iceConnectionState&&this.destroy(errCode(new Error("Ice connection closed."),"ERR_ICE_CONNECTION_CLOSED"))}getStats(cb){const flattenValues=report=>("[object Array]"===Object.prototype.toString.call(report.values)&&report.values.forEach(value=>{Object.assign(report,value)}),report);0===this._pc.getStats.length||this._isReactNativeWebrtc?this._pc.getStats().then(res=>{const reports=[];res.forEach(report=>{reports.push(flattenValues(report))}),cb(null,reports)},err=>cb(err)):0<this._pc.getStats.length?this._pc.getStats(res=>{if(this.destroyed)return;const reports=[];res.result().forEach(result=>{const report={};result.names().forEach(name=>{report[name]=result.stat(name)}),report.id=result.id,report.type=result.type,report.timestamp=result.timestamp,reports.push(flattenValues(report))}),cb(null,reports)},err=>cb(err)):cb(null,[])}_maybeReady(){if(this._debug("maybeReady pc %s channel %s",this._pcReady,this._channelReady),this._connected||this._connecting||!this._pcReady||!this._channelReady)return;this._connecting=!0;const findCandidatePair=()=>{this.destroyed||this.getStats((err,items)=>{if(this.destroyed)return;err&&(items=[]);const remoteCandidates={},localCandidates={},candidatePairs={};let foundSelectedCandidatePair=!1;items.forEach(item=>{("remotecandidate"===item.type||"remote-candidate"===item.type)&&(remoteCandidates[item.id]=item),("localcandidate"===item.type||"local-candidate"===item.type)&&(localCandidates[item.id]=item),("candidatepair"===item.type||"candidate-pair"===item.type)&&(candidatePairs[item.id]=item)});const setSelectedCandidatePair=selectedCandidatePair=>{foundSelectedCandidatePair=!0;let local=localCandidates[selectedCandidatePair.localCandidateId];local&&(local.ip||local.address)?(this.localAddress=local.ip||local.address,this.localPort=+local.port):local&&local.ipAddress?(this.localAddress=local.ipAddress,this.localPort=+local.portNumber):"string"==typeof selectedCandidatePair.googLocalAddress&&(local=selectedCandidatePair.googLocalAddress.split(":"),this.localAddress=local[0],this.localPort=+local[1]),this.localAddress&&(this.localFamily=this.localAddress.includes(":")?"IPv6":"IPv4");let remote=remoteCandidates[selectedCandidatePair.remoteCandidateId];remote&&(remote.ip||remote.address)?(this.remoteAddress=remote.ip||remote.address,this.remotePort=+remote.port):remote&&remote.ipAddress?(this.remoteAddress=remote.ipAddress,this.remotePort=+remote.portNumber):"string"==typeof selectedCandidatePair.googRemoteAddress&&(remote=selectedCandidatePair.googRemoteAddress.split(":"),this.remoteAddress=remote[0],this.remotePort=+remote[1]),this.remoteAddress&&(this.remoteFamily=this.remoteAddress.includes(":")?"IPv6":"IPv4"),this._debug("connect local: %s:%s remote: %s:%s",this.localAddress,this.localPort,this.remoteAddress,this.remotePort)};if(items.forEach(item=>{"transport"===item.type&&item.selectedCandidatePairId&&setSelectedCandidatePair(candidatePairs[item.selectedCandidatePairId]),("googCandidatePair"===item.type&&"true"===item.googActiveConnection||("candidatepair"===item.type||"candidate-pair"===item.type)&&item.selected)&&setSelectedCandidatePair(item)}),!foundSelectedCandidatePair&&(!Object.keys(candidatePairs).length||Object.keys(localCandidates).length))return void setTimeout(findCandidatePair,100);if(this._connecting=!1,this._connected=!0,this._chunk){try{this.send(this._chunk)}catch(err){return this.destroy(errCode(err,"ERR_DATA_CHANNEL"))}this._chunk=null,this._debug("sent chunk from \"write before connect\"");const cb=this._cb;this._cb=null,cb(null)}"number"!=typeof this._channel.bufferedAmountLowThreshold&&(this._interval=setInterval(()=>this._onInterval(),150),this._interval.unref&&this._interval.unref()),this._debug("connect"),this.emit("connect")})};findCandidatePair()}_onInterval(){this._cb&&this._channel&&!(this._channel.bufferedAmount>MAX_BUFFERED_AMOUNT)&&this._onChannelBufferedAmountLow()}_onSignalingStateChange(){this.destroyed||("stable"===this._pc.signalingState&&(this._isNegotiating=!1,this._debug("flushing sender queue",this._sendersAwaitingStable),this._sendersAwaitingStable.forEach(sender=>{this._pc.removeTrack(sender),this._queuedNegotiation=!0}),this._sendersAwaitingStable=[],this._queuedNegotiation?(this._debug("flushing negotiation queue"),this._queuedNegotiation=!1,this._needsNegotiation()):(this._debug("negotiated"),this.emit("negotiated"))),this._debug("signalingStateChange %s",this._pc.signalingState),this.emit("signalingStateChange",this._pc.signalingState))}_onIceCandidate(event){this.destroyed||(event.candidate&&this.trickle?this.emit("signal",{type:"candidate",candidate:{candidate:event.candidate.candidate,sdpMLineIndex:event.candidate.sdpMLineIndex,sdpMid:event.candidate.sdpMid}}):!event.candidate&&!this._iceComplete&&(this._iceComplete=!0,this.emit("_iceComplete")),event.candidate&&this._startIceCompleteTimeout())}_onChannelMessage(event){if(this.destroyed)return;let data=event.data;data instanceof ArrayBuffer&&(data=Buffer.from(data)),this.push(data)}_onChannelBufferedAmountLow(){if(!this.destroyed&&this._cb){this._debug("ending backpressure: bufferedAmount %d",this._channel.bufferedAmount);const cb=this._cb;this._cb=null,cb(null)}}_onChannelOpen(){this._connected||this.destroyed||(this._debug("on channel open"),this._channelReady=!0,this._maybeReady())}_onChannelClose(){this.destroyed||(this._debug("on channel close"),this.destroy())}_onTrack(event){this.destroyed||event.streams.forEach(eventStream=>{this._debug("on track"),this.emit("track",event.track,eventStream),this._remoteTracks.push({track:event.track,stream:eventStream});this._remoteStreams.some(remoteStream=>remoteStream.id===eventStream.id)||(this._remoteStreams.push(eventStream),queueMicrotask(()=>{this._debug("on stream"),this.emit("stream",eventStream)}))})}_debug(){const args=[].slice.call(arguments);args[0]="["+this._id+"] "+args[0],debug.apply(null,args)}}Peer.WEBRTC_SUPPORT=!!getBrowserRTC(),Peer.config={iceServers:[{urls:["stun:stun.l.google.com:19302","stun:global.stun.twilio.com:3478"]}],sdpSemantics:"unified-plan"},Peer.channelConfig={},module.exports=Peer},{buffer:75,debug:90,"err-code":121,"get-browser-rtc":128,"queue-microtask":205,randombytes:208,"readable-stream":227}],247:[function(require,module,exports){function sha1sync(buf){return rusha.digest(buf)}function sha1(buf,cb){return subtle?void("string"==typeof buf&&(buf=uint8array(buf)),subtle.digest({name:"sha-1"},buf).then(function succeed(result){cb(hex(new Uint8Array(result)))},function fail(){cb(sha1sync(buf))})):void("undefined"==typeof window?queueMicrotask(()=>cb(sha1sync(buf))):rushaWorkerSha1(buf,function onRushaWorkerSha1(err,hash){return err?void cb(sha1sync(buf)):void cb(hash)}))}function uint8array(s){const l=s.length,array=new Uint8Array(l);for(let i=0;i<l;i++)array[i]=s.charCodeAt(i);return array}function hex(buf){const l=buf.length,chars=[];for(let i=0;i<l;i++){const bite=buf[i];chars.push((bite>>>4).toString(16)),chars.push((15&bite).toString(16))}return chars.join("")}const Rusha=require("rusha"),rushaWorkerSha1=require("./rusha-worker-sha1"),rusha=new Rusha,scope="undefined"==typeof window?self:window,crypto=scope.crypto||scope.msCrypto||{};let subtle=crypto.subtle||crypto.webkitSubtle;try{subtle.digest({name:"sha-1"},new Uint8Array).catch(function(){subtle=!1})}catch(err){subtle=!1}module.exports=sha1,module.exports.sync=sha1sync},{"./rusha-worker-sha1":248,rusha:233}],248:[function(require,module,exports){function init(){worker=Rusha.createWorker(),nextTaskId=1,cbs={},worker.onmessage=function onRushaMessage(e){const taskId=e.data.id,cb=cbs[taskId];delete cbs[taskId],null==e.data.error?cb(null,e.data.hash):cb(new Error("Rusha worker error: "+e.data.error))}}function sha1(buf,cb){worker||init(),cbs[nextTaskId]=cb,worker.postMessage({id:nextTaskId,data:buf}),nextTaskId+=1}const Rusha=require("rusha");let worker,nextTaskId,cbs;module.exports=sha1},{rusha:233}],249:[function(require,module,exports){(function(Buffer){(function(){/*! simple-websocket. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */const debug=require("debug")("simple-websocket"),randombytes=require("randombytes"),stream=require("readable-stream"),queueMicrotask=require("queue-microtask"),ws=require("ws"),_WebSocket="function"==typeof ws?ws:WebSocket,MAX_BUFFERED_AMOUNT=65536;class Socket extends stream.Duplex{constructor(opts={}){if("string"==typeof opts&&(opts={url:opts}),opts=Object.assign({allowHalfOpen:!1},opts),super(opts),null==opts.url&&null==opts.socket)throw new Error("Missing required `url` or `socket` option");if(null!=opts.url&&null!=opts.socket)throw new Error("Must specify either `url` or `socket` option, not both");if(this._id=randombytes(4).toString("hex").slice(0,7),this._debug("new websocket: %o",opts),this.connected=!1,this.destroyed=!1,this._chunk=null,this._cb=null,this._interval=null,opts.socket)this.url=opts.socket.url,this._ws=opts.socket,this.connected=opts.socket.readyState===_WebSocket.OPEN;else{this.url=opts.url;try{this._ws="function"==typeof ws?new _WebSocket(opts.url,null,{...opts,encoding:void 0}):new _WebSocket(opts.url)}catch(err){return void queueMicrotask(()=>this.destroy(err))}}this._ws.binaryType="arraybuffer",opts.socket&&this.connected?queueMicrotask(()=>this._handleOpen()):this._ws.onopen=()=>this._handleOpen(),this._ws.onmessage=event=>this._handleMessage(event),this._ws.onclose=()=>this._handleClose(),this._ws.onerror=err=>this._handleError(err),this._handleFinishBound=()=>this._handleFinish(),this.once("finish",this._handleFinishBound)}send(chunk){this._ws.send(chunk)}destroy(err){this._destroy(err,()=>{})}_destroy(err,cb){if(!this.destroyed){if(this._debug("destroy (error: %s)",err&&(err.message||err)),this.readable=this.writable=!1,this._readableState.ended||this.push(null),this._writableState.finished||this.end(),this.connected=!1,this.destroyed=!0,clearInterval(this._interval),this._interval=null,this._chunk=null,this._cb=null,this._handleFinishBound&&this.removeListener("finish",this._handleFinishBound),this._handleFinishBound=null,this._ws){const ws=this._ws,onClose=()=>{ws.onclose=null};if(ws.readyState===_WebSocket.CLOSED)onClose();else try{ws.onclose=onClose,ws.close()}catch(err){onClose()}ws.onopen=null,ws.onmessage=null,ws.onerror=()=>{}}this._ws=null,err&&this.emit("error",err),this.emit("close"),cb()}}_read(){}_write(chunk,encoding,cb){if(this.destroyed)return cb(new Error("cannot write after socket is destroyed"));if(this.connected){try{this.send(chunk)}catch(err){return this.destroy(err)}"function"!=typeof ws&&this._ws.bufferedAmount>MAX_BUFFERED_AMOUNT?(this._debug("start backpressure: bufferedAmount %d",this._ws.bufferedAmount),this._cb=cb):cb(null)}else this._debug("write before connect"),this._chunk=chunk,this._cb=cb}_handleOpen(){if(!(this.connected||this.destroyed)){if(this.connected=!0,this._chunk){try{this.send(this._chunk)}catch(err){return this.destroy(err)}this._chunk=null,this._debug("sent chunk from \"write before connect\"");const cb=this._cb;this._cb=null,cb(null)}"function"!=typeof ws&&(this._interval=setInterval(()=>this._onInterval(),150),this._interval.unref&&this._interval.unref()),this._debug("connect"),this.emit("connect")}}_handleMessage(event){if(this.destroyed)return;let data=event.data;data instanceof ArrayBuffer&&(data=Buffer.from(data)),this.push(data)}_handleClose(){this.destroyed||(this._debug("on close"),this.destroy())}_handleError(_){this.destroy(new Error(`Error connecting to ${this.url}`))}_handleFinish(){if(!this.destroyed){const destroySoon=()=>{setTimeout(()=>this.destroy(),1e3)};this.connected?destroySoon():this.once("connect",destroySoon)}}_onInterval(){if(this._cb&&this._ws&&!(this._ws.bufferedAmount>MAX_BUFFERED_AMOUNT)){this._debug("ending backpressure: bufferedAmount %d",this._ws.bufferedAmount);const cb=this._cb;this._cb=null,cb(null)}}_debug(){const args=[].slice.call(arguments);args[0]="["+this._id+"] "+args[0],debug.apply(null,args)}}Socket.WEBSOCKET_SUPPORT=!!_WebSocket,module.exports=Socket}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75,debug:90,"queue-microtask":205,randombytes:208,"readable-stream":227,ws:41}],250:[function(require,module,exports){const Throttle=require("./lib/throttle"),ThrottleGroup=require("./lib/throttle-group");module.exports={Throttle,ThrottleGroup}},{"./lib/throttle":252,"./lib/throttle-group":251}],251:[function(require,module,exports){var _NumberisInteger=Number.isInteger;const{TokenBucket}=require("limiter"),Throttle=require("./throttle");class ThrottleGroup{constructor(opts={}){if("object"!=typeof opts)throw new Error("Options must be an object");this.throttles=[],this.setEnabled(opts.enabled),this.setRate(opts.rate,opts.chunksize)}getEnabled(){return this._enabled}getRate(){return this.bucket.tokensPerInterval}getChunksize(){return this.chunksize}setEnabled(val=!0){if("boolean"!=typeof val)throw new Error("Enabled must be a boolean");this._enabled=val;for(const throttle of this.throttles)throttle.setEnabled(val)}setRate(rate,chunksize=null){if(!_NumberisInteger(rate)||0>rate)throw new Error("Rate must be an integer bigger than zero");if(rate=parseInt(rate),chunksize&&("number"!=typeof chunksize||0>=chunksize))throw new Error("Chunksize must be bigger than zero");if(chunksize=chunksize||_Mathmax(parseInt(rate/10),1),chunksize=parseInt(chunksize),0<rate&&chunksize>rate)throw new Error("Chunk size must be smaller than rate");this.bucket||(this.bucket=new TokenBucket(rate,rate,"second",null)),this.bucket.bucketSize=rate,this.bucket.tokensPerInterval=rate,this.chunksize=chunksize}setChunksize(chunksize){if(!_NumberisInteger(chunksize)||0>=chunksize)throw new Error("Chunk size must be an integer bigger than zero");const rate=this.getRate();if(chunksize=parseInt(chunksize),0<rate&&chunksize>rate)throw new Error("Chunk size must be smaller than rate");this.chunksize=chunksize}throttle(opts={}){if("object"!=typeof opts)throw new Error("Options must be an object");const newThrottle=new Throttle({...opts,group:this});return newThrottle}destroy(){for(const throttle of this.throttles)throttle.destroy();this.throttles=[]}_addThrottle(throttle){if(!(throttle instanceof Throttle))throw new Error("Throttle must be an instance of Throttle");this.throttles.push(throttle)}_removeThrottle(throttle){const index=this.throttles.indexOf(throttle);-1<index&&this.throttles.splice(index,1)}}module.exports=ThrottleGroup},{"./throttle":252,limiter:151}],252:[function(require,module,exports){const{EventEmitter}=require("events"),{Transform}=require("streamx"),{wait}=require("./utils");class Throttle extends Transform{constructor(opts={}){if(super(),"object"!=typeof opts)throw new Error("Options must be an object");const params=Object.assign({},opts);if(params.group&&!(params.group instanceof ThrottleGroup))throw new Error("Group must be an instanece of ThrottleGroup");else params.group||(params.group=new ThrottleGroup(params));this._setEnabled(params.enabled||params.group.enabled),this._group=params.group,this._emitter=new EventEmitter,this._destroyed=!1,this._group._addThrottle(this)}getEnabled(){return this._enabled}getGroup(){return this._group}_setEnabled(val=!0){if("boolean"!=typeof val)throw new Error("Enabled must be a boolean");this._enabled=val}setEnabled(val){this._setEnabled(val),this._enabled?this._emitter.emit("enabled"):this._emitter.emit("disabled")}_transform(chunk,done){this._processChunk(chunk,done)}async _waitForTokens(amount){return new Promise((resolve,reject)=>{function isDone(err){if(self._emitter.removeListener("disabled",isDone),self._emitter.removeListener("destroyed",isDone),!done)return done=!0,err?reject(err):void resolve()}let done=!1;const self=this;this._emitter.once("disabled",isDone),this._emitter.once("destroyed",isDone),this._group.bucket.removeTokens(amount,isDone)})}_areBothEnabled(){return this._enabled&&this._group.getEnabled()}async _processChunk(chunk,done){if(!this._areBothEnabled())return done(null,chunk);let pos=0,chunksize=this._group.getChunksize(),slice=chunk.slice(pos,pos+chunksize);for(;0<slice.length;){if(this._areBothEnabled())try{for(;0===this._group.getRate()&&!this._destroyed&&this._areBothEnabled();)if(await wait(1e3),this._destroyed)return;if(this._areBothEnabled()&&!this._group.bucket.tryRemoveTokens(slice.length)&&(await this._waitForTokens(slice.length),this._destroyed))return}catch(err){return done(err)}this.push(slice),pos+=chunksize,chunksize=this._areBothEnabled()?this._group.getChunksize():chunk.length-pos,slice=chunk.slice(pos,pos+chunksize)}return done()}destroy(...args){this._group._removeThrottle(this),this._destroyed=!0,this._emitter.emit("destroyed"),super.destroy(...args)}}module.exports=Throttle;const ThrottleGroup=require("./throttle-group")},{"./throttle-group":251,"./utils":253,events:122,streamx:263}],253:[function(require,module,exports){function wait(time){return new Promise(resolve=>setTimeout(resolve,time))}module.exports={wait}},{}],254:[function(require,module,exports){var tick=1,maxTick=65535,resolution=4,inc=function(){tick=tick+1&maxTick},timer;module.exports=function(seconds){timer||(timer=setInterval(inc,0|1e3/resolution),timer.unref&&timer.unref());var size=resolution*(seconds||5),buffer=[0],pointer=1,last=tick-1&maxTick;return function(delta){var dist=tick-last&maxTick;for(dist>size&&(dist=size),last=tick;dist--;)pointer===size&&(pointer=0),buffer[pointer]=buffer[0===pointer?size-1:pointer-1],pointer++;delta&&(buffer[pointer-1]+=delta);var top=buffer[pointer-1],btm=buffer.length<size?0:buffer[pointer===size?0:pointer];return buffer.length<resolution?top:(top-btm)*resolution/buffer.length}}},{}],255:[function(require,module,exports){function Stream(){EE.call(this)}module.exports=Stream;var EE=require("events").EventEmitter,inherits=require("inherits");inherits(Stream,EE),Stream.Readable=require("readable-stream/lib/_stream_readable.js"),Stream.Writable=require("readable-stream/lib/_stream_writable.js"),Stream.Duplex=require("readable-stream/lib/_stream_duplex.js"),Stream.Transform=require("readable-stream/lib/_stream_transform.js"),Stream.PassThrough=require("readable-stream/lib/_stream_passthrough.js"),Stream.finished=require("readable-stream/lib/internal/streams/end-of-stream.js"),Stream.pipeline=require("readable-stream/lib/internal/streams/pipeline.js"),Stream.Stream=Stream,Stream.prototype.pipe=function(dest,options){function ondata(chunk){dest.writable&&!1===dest.write(chunk)&&source.pause&&source.pause()}function ondrain(){source.readable&&source.resume&&source.resume()}function onend(){didOnEnd||(didOnEnd=!0,dest.end())}function onclose(){didOnEnd||(didOnEnd=!0,"function"==typeof dest.destroy&&dest.destroy())}function onerror(er){if(cleanup(),0===EE.listenerCount(this,"error"))throw er}function cleanup(){source.removeListener("data",ondata),dest.removeListener("drain",ondrain),source.removeListener("end",onend),source.removeListener("close",onclose),source.removeListener("error",onerror),dest.removeListener("error",onerror),source.removeListener("end",cleanup),source.removeListener("close",cleanup),dest.removeListener("close",cleanup)}var source=this;source.on("data",ondata),dest.on("drain",ondrain),dest._isStdio||options&&!1===options.end||(source.on("end",onend),source.on("close",onclose));var didOnEnd=!1;return source.on("error",onerror),dest.on("error",onerror),source.on("end",cleanup),source.on("close",cleanup),dest.on("close",cleanup),dest.emit("pipe",source),dest}},{events:122,inherits:146,"readable-stream/lib/_stream_duplex.js":214,"readable-stream/lib/_stream_passthrough.js":215,"readable-stream/lib/_stream_readable.js":216,"readable-stream/lib/_stream_transform.js":217,"readable-stream/lib/_stream_writable.js":218,"readable-stream/lib/internal/streams/end-of-stream.js":222,"readable-stream/lib/internal/streams/pipeline.js":224}],256:[function(require,module,exports){(function(global){(function(){var ClientRequest=require("./lib/request"),response=require("./lib/response"),extend=require("xtend"),statusCodes=require("builtin-status-codes"),url=require("url"),http=exports;http.request=function(opts,cb){opts="string"==typeof opts?url.parse(opts):extend(opts);var defaultProtocol=-1===global.location.protocol.search(/^https?:$/)?"http:":"",protocol=opts.protocol||defaultProtocol,host=opts.hostname||opts.host,port=opts.port,path=opts.path||"/";host&&-1!==host.indexOf(":")&&(host="["+host+"]"),opts.url=(host?protocol+"//"+host:"")+(port?":"+port:"")+path,opts.method=(opts.method||"GET").toUpperCase(),opts.headers=opts.headers||{};var req=new ClientRequest(opts);return cb&&req.on("response",cb),req},http.get=function get(opts,cb){var req=http.request(opts,cb);return req.end(),req},http.ClientRequest=ClientRequest,http.IncomingMessage=response.IncomingMessage,http.Agent=function(){},http.Agent.defaultMaxSockets=4,http.globalAgent=new http.Agent,http.STATUS_CODES=statusCodes,http.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)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"./lib/request":258,"./lib/response":259,"builtin-status-codes":76,url:273,xtend:280}],257:[function(require,module,exports){(function(global){(function(){function getXHR(){if(xhr!==void 0)return xhr;if(global.XMLHttpRequest){xhr=new global.XMLHttpRequest;try{xhr.open("GET",global.XDomainRequest?"/":"https://example.com")}catch(e){xhr=null}}else xhr=null;return xhr}function checkTypeSupport(type){var xhr=getXHR();if(!xhr)return!1;try{return xhr.responseType=type,xhr.responseType===type}catch(e){}return!1}function isFunction(value){return"function"==typeof value}exports.fetch=isFunction(global.fetch)&&isFunction(global.ReadableStream),exports.writableStream=isFunction(global.WritableStream),exports.abortController=isFunction(global.AbortController);var xhr;exports.arraybuffer=exports.fetch||checkTypeSupport("arraybuffer"),exports.msstream=!exports.fetch&&checkTypeSupport("ms-stream"),exports.mozchunkedarraybuffer=!exports.fetch&&checkTypeSupport("moz-chunked-arraybuffer"),exports.overrideMimeType=exports.fetch||!!getXHR()&&isFunction(getXHR().overrideMimeType),xhr=null}).call(this)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{}],258:[function(require,module,exports){(function(process,global,Buffer){(function(){function decideMode(preferBinary,useFetch){return capability.fetch&&useFetch?"fetch":capability.mozchunkedarraybuffer?"moz-chunked-arraybuffer":capability.msstream?"ms-stream":capability.arraybuffer&&preferBinary?"arraybuffer":"text"}function statusValid(xhr){try{var status=xhr.status;return null!==status&&0!==status}catch(e){return!1}}var capability=require("./capability"),inherits=require("inherits"),response=require("./response"),stream=require("readable-stream"),IncomingMessage=response.IncomingMessage,rStates=response.readyStates,ClientRequest=module.exports=function(opts){var self=this;stream.Writable.call(self),self._opts=opts,self._body=[],self._headers={},opts.auth&&self.setHeader("Authorization","Basic "+Buffer.from(opts.auth).toString("base64")),Object.keys(opts.headers).forEach(function(name){self.setHeader(name,opts.headers[name])});var useFetch=!0,preferBinary;if("disable-fetch"===opts.mode||"requestTimeout"in opts&&!capability.abortController)useFetch=!1,preferBinary=!0;else if("prefer-streaming"===opts.mode)preferBinary=!1;else if("allow-wrong-content-type"===opts.mode)preferBinary=!capability.overrideMimeType;else if(!opts.mode||"default"===opts.mode||"prefer-fast"===opts.mode)preferBinary=!0;else throw new Error("Invalid value for opts.mode");self._mode=decideMode(preferBinary,useFetch),self._fetchTimer=null,self._socketTimeout=null,self._socketTimer=null,self.on("finish",function(){self._onFinish()})};inherits(ClientRequest,stream.Writable),ClientRequest.prototype.setHeader=function(name,value){var self=this,lowerName=name.toLowerCase();-1!==unsafeHeaders.indexOf(lowerName)||(self._headers[lowerName]={name:name,value:value})},ClientRequest.prototype.getHeader=function(name){var header=this._headers[name.toLowerCase()];return header?header.value:null},ClientRequest.prototype.removeHeader=function(name){var self=this;delete self._headers[name.toLowerCase()]},ClientRequest.prototype._onFinish=function(){var self=this;if(!self._destroyed){var opts=self._opts;"timeout"in opts&&0!==opts.timeout&&self.setTimeout(opts.timeout);var headersObj=self._headers,body=null;"GET"!==opts.method&&"HEAD"!==opts.method&&(body=new Blob(self._body,{type:(headersObj["content-type"]||{}).value||""}));var headersList=[];if(Object.keys(headersObj).forEach(function(keyName){var name=headersObj[keyName].name,value=headersObj[keyName].value;Array.isArray(value)?value.forEach(function(v){headersList.push([name,v])}):headersList.push([name,value])}),"fetch"===self._mode){var signal=null;if(capability.abortController){var controller=new AbortController;signal=controller.signal,self._fetchAbortController=controller,"requestTimeout"in opts&&0!==opts.requestTimeout&&(self._fetchTimer=global.setTimeout(function(){self.emit("requestTimeout"),self._fetchAbortController&&self._fetchAbortController.abort()},opts.requestTimeout))}global.fetch(self._opts.url,{method:self._opts.method,headers:headersList,body:body||void 0,mode:"cors",credentials:opts.withCredentials?"include":"same-origin",signal:signal}).then(function(response){self._fetchResponse=response,self._resetTimers(!1),self._connect()},function(reason){self._resetTimers(!0),self._destroyed||self.emit("error",reason)})}else{var xhr=self._xhr=new global.XMLHttpRequest;try{xhr.open(self._opts.method,self._opts.url,!0)}catch(err){return void process.nextTick(function(){self.emit("error",err)})}"responseType"in xhr&&(xhr.responseType=self._mode),"withCredentials"in xhr&&(xhr.withCredentials=!!opts.withCredentials),"text"===self._mode&&"overrideMimeType"in xhr&&xhr.overrideMimeType("text/plain; charset=x-user-defined"),"requestTimeout"in opts&&(xhr.timeout=opts.requestTimeout,xhr.ontimeout=function(){self.emit("requestTimeout")}),headersList.forEach(function(header){xhr.setRequestHeader(header[0],header[1])}),self._response=null,xhr.onreadystatechange=function(){switch(xhr.readyState){case rStates.LOADING:case rStates.DONE:self._onXHRProgress();}},"moz-chunked-arraybuffer"===self._mode&&(xhr.onprogress=function(){self._onXHRProgress()}),xhr.onerror=function(){self._destroyed||(self._resetTimers(!0),self.emit("error",new Error("XHR error")))};try{xhr.send(body)}catch(err){return void process.nextTick(function(){self.emit("error",err)})}}}},ClientRequest.prototype._onXHRProgress=function(){var self=this;self._resetTimers(!1);!statusValid(self._xhr)||self._destroyed||(!self._response&&self._connect(),self._response._onXHRProgress(self._resetTimers.bind(self)))},ClientRequest.prototype._connect=function(){var self=this;self._destroyed||(self._response=new IncomingMessage(self._xhr,self._fetchResponse,self._mode,self._resetTimers.bind(self)),self._response.on("error",function(err){self.emit("error",err)}),self.emit("response",self._response))},ClientRequest.prototype._write=function(chunk,encoding,cb){var self=this;self._body.push(chunk),cb()},ClientRequest.prototype._resetTimers=function(done){var self=this;global.clearTimeout(self._socketTimer),self._socketTimer=null,done?(global.clearTimeout(self._fetchTimer),self._fetchTimer=null):self._socketTimeout&&(self._socketTimer=global.setTimeout(function(){self.emit("timeout")},self._socketTimeout))},ClientRequest.prototype.abort=ClientRequest.prototype.destroy=function(err){var self=this;self._destroyed=!0,self._resetTimers(!0),self._response&&(self._response._destroyed=!0),self._xhr?self._xhr.abort():self._fetchAbortController&&self._fetchAbortController.abort(),err&&self.emit("error",err)},ClientRequest.prototype.end=function(data,encoding,cb){var self=this;"function"==typeof data&&(cb=data,data=void 0),stream.Writable.prototype.end.call(self,data,encoding,cb)},ClientRequest.prototype.setTimeout=function(timeout,cb){var self=this;cb&&self.once("timeout",cb),self._socketTimeout=timeout,self._resetTimers(!1)},ClientRequest.prototype.flushHeaders=function(){},ClientRequest.prototype.setNoDelay=function(){},ClientRequest.prototype.setSocketKeepAlive=function(){};var unsafeHeaders=["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)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global,require("buffer").Buffer)},{"./capability":257,"./response":259,_process:192,buffer:75,inherits:146,"readable-stream":227}],259:[function(require,module,exports){(function(process,global,Buffer){(function(){var capability=require("./capability"),inherits=require("inherits"),stream=require("readable-stream"),rStates=exports.readyStates={UNSENT:0,OPENED:1,HEADERS_RECEIVED:2,LOADING:3,DONE:4},IncomingMessage=exports.IncomingMessage=function(xhr,response,mode,resetTimers){var self=this;if(stream.Readable.call(self),self._mode=mode,self.headers={},self.rawHeaders=[],self.trailers={},self.rawTrailers=[],self.on("end",function(){process.nextTick(function(){self.emit("close")})}),"fetch"===mode){function read(){reader.read().then(function(result){if(!self._destroyed)return resetTimers(result.done),result.done?void self.push(null):void(self.push(Buffer.from(result.value)),read())}).catch(function(err){resetTimers(!0),self._destroyed||self.emit("error",err)})}if(self._fetchResponse=response,self.url=response.url,self.statusCode=response.status,self.statusMessage=response.statusText,response.headers.forEach(function(header,key){self.headers[key.toLowerCase()]=header,self.rawHeaders.push(key,header)}),capability.writableStream){var writable=new WritableStream({write:function(chunk){return resetTimers(!1),new Promise(function(resolve,reject){self._destroyed?reject():self.push(Buffer.from(chunk))?resolve():self._resumeFetch=resolve})},close:function(){resetTimers(!0),self._destroyed||self.push(null)},abort:function(err){resetTimers(!0),self._destroyed||self.emit("error",err)}});try{return void response.body.pipeTo(writable).catch(function(err){resetTimers(!0),self._destroyed||self.emit("error",err)})}catch(e){}}var reader=response.body.getReader();read()}else{self._xhr=xhr,self._pos=0,self.url=xhr.responseURL,self.statusCode=xhr.status,self.statusMessage=xhr.statusText;var headers=xhr.getAllResponseHeaders().split(/\r?\n/);if(headers.forEach(function(header){var matches=header.match(/^([^:]+):\s*(.*)/);if(matches){var key=matches[1].toLowerCase();"set-cookie"===key?(void 0===self.headers[key]&&(self.headers[key]=[]),self.headers[key].push(matches[2])):void 0===self.headers[key]?self.headers[key]=matches[2]:self.headers[key]+=", "+matches[2],self.rawHeaders.push(matches[1],matches[2])}}),self._charset="x-user-defined",!capability.overrideMimeType){var mimeType=self.rawHeaders["mime-type"];if(mimeType){var charsetMatch=mimeType.match(/;\s*charset=([^;])(;|$)/);charsetMatch&&(self._charset=charsetMatch[1].toLowerCase())}self._charset||(self._charset="utf-8")}}};inherits(IncomingMessage,stream.Readable),IncomingMessage.prototype._read=function(){var self=this,resolve=self._resumeFetch;resolve&&(self._resumeFetch=null,resolve())},IncomingMessage.prototype._onXHRProgress=function(resetTimers){var self=this,xhr=self._xhr,response=null;switch(self._mode){case"text":if(response=xhr.responseText,response.length>self._pos){var newData=response.substr(self._pos);if("x-user-defined"===self._charset){for(var buffer=Buffer.alloc(newData.length),i=0;i<newData.length;i++)buffer[i]=255&newData.charCodeAt(i);self.push(buffer)}else self.push(newData,self._charset);self._pos=response.length}break;case"arraybuffer":if(xhr.readyState!==rStates.DONE||!xhr.response)break;response=xhr.response,self.push(Buffer.from(new Uint8Array(response)));break;case"moz-chunked-arraybuffer":if(response=xhr.response,xhr.readyState!==rStates.LOADING||!response)break;self.push(Buffer.from(new Uint8Array(response)));break;case"ms-stream":if(response=xhr.response,xhr.readyState!==rStates.LOADING)break;var reader=new global.MSStreamReader;reader.onprogress=function(){reader.result.byteLength>self._pos&&(self.push(Buffer.from(new Uint8Array(reader.result.slice(self._pos)))),self._pos=reader.result.byteLength)},reader.onload=function(){resetTimers(!0),self.push(null)},reader.readAsArrayBuffer(response);}self._xhr.readyState===rStates.DONE&&"ms-stream"!==self._mode&&(resetTimers(!0),self.push(null))}}).call(this)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global,require("buffer").Buffer)},{"./capability":257,_process:192,buffer:75,inherits:146,"readable-stream":227}],260:[function(require,module,exports){async function getBlobURL(stream,mimeType){const blob=await getBlob(stream,mimeType),url=URL.createObjectURL(blob);return url}module.exports=getBlobURL;const getBlob=require("stream-to-blob")},{"stream-to-blob":261}],261:[function(require,module,exports){function streamToBlob(stream,mimeType){if(null!=mimeType&&"string"!=typeof mimeType)throw new Error("Invalid mimetype, expected string.");return new Promise((resolve,reject)=>{const chunks=[];stream.on("data",chunk=>chunks.push(chunk)).once("end",()=>{const blob=null==mimeType?new Blob(chunks):new Blob(chunks,{type:mimeType});resolve(blob)}).once("error",reject)})}/*! stream-to-blob. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */module.exports=streamToBlob},{}],262:[function(require,module,exports){(function(Buffer){(function(){/*! stream-with-known-length-to-buffer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */var once=require("once");module.exports=function getBuffer(stream,length,cb){cb=once(cb);var buf=Buffer.alloc(length),offset=0;stream.on("data",function(chunk){chunk.copy(buf,offset),offset+=chunk.length}).on("end",function(){cb(null,buf)}).on("error",cb)}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75,once:177}],263:[function(require,module,exports){function afterDrain(){this.stream._duplexState|=READ_PIPE_DRAINED,0==(this.stream._duplexState&READ_ACTIVE_AND_SYNC)?this.updateNextTick():this.drain()}function afterFinal(err){const stream=this.stream;err&&stream.destroy(err),0==(stream._duplexState&DESTROY_STATUS)&&(stream._duplexState|=WRITE_DONE,stream.emit("finish")),(stream._duplexState&AUTO_DESTROY)===DONE&&(stream._duplexState|=DESTROYING),stream._duplexState&=WRITE_NOT_ACTIVE,this.update()}function afterDestroy(err){const stream=this.stream;err||this.error===STREAM_DESTROYED||(err=this.error),err&&stream.emit("error",err),stream._duplexState|=DESTROYED,stream.emit("close");const rs=stream._readableState,ws=stream._writableState;null!==rs&&null!==rs.pipeline&&rs.pipeline.done(stream,err),null!==ws&&null!==ws.pipeline&&ws.pipeline.done(stream,err)}function afterWrite(err){const stream=this.stream;err&&stream.destroy(err),stream._duplexState&=WRITE_NOT_ACTIVE,(stream._duplexState&WRITE_DRAIN_STATUS)===WRITE_UNDRAINED&&(stream._duplexState&=WRITE_DRAINED,(stream._duplexState&WRITE_EMIT_DRAIN)===WRITE_EMIT_DRAIN&&stream.emit("drain")),0==(stream._duplexState&WRITE_SYNC)&&this.update()}function afterRead(err){err&&this.stream.destroy(err),this.stream._duplexState&=READ_NOT_ACTIVE,0==(this.stream._duplexState&READ_SYNC)&&this.update()}function updateReadNT(){this.stream._duplexState&=READ_NOT_NEXT_TICK,this.update()}function updateWriteNT(){this.stream._duplexState&=WRITE_NOT_NEXT_TICK,this.update()}function afterOpen(err){const stream=this.stream;err&&stream.destroy(err),0==(stream._duplexState&DESTROYING)&&(0==(stream._duplexState&READ_PRIMARY_STATUS)&&(stream._duplexState|=READ_PRIMARY),0==(stream._duplexState&WRITE_PRIMARY_STATUS)&&(stream._duplexState|=WRITE_PRIMARY),stream.emit("open")),stream._duplexState&=NOT_ACTIVE,null!==stream._writableState&&stream._writableState.update(),null!==stream._readableState&&stream._readableState.update()}function afterTransform(err,data){data!==void 0&&null!==data&&this.push(data),this._writableState.afterWrite(err)}function transformAfterFlush(err,data){const cb=this._transformState.afterFinal;return err?cb(err):void(null!==data&&data!==void 0&&this.push(data),this.push(null),cb(null))}function pipelinePromise(...streams){return new Promise((resolve,reject)=>pipeline(...streams,err=>err?reject(err):void resolve()))}function pipeline(stream,...streams){function errorHandle(s,rd,wr,onerror){function onclose(){return rd&&s._readableState&&!s._readableState.ended?onerror(PREMATURE_CLOSE):wr&&s._writableState&&!s._writableState.ended?onerror(PREMATURE_CLOSE):void 0}s.on("error",onerror),s.on("close",onclose)}function onerror(err){if(err&&!error){error=err;for(const s of all)s.destroy(err)}}const all=Array.isArray(stream)?[...stream,...streams]:[stream,...streams],done=all.length&&"function"==typeof all[all.length-1]?all.pop():null;if(2>all.length)throw new Error("Pipeline requires at least 2 streams");let src=all[0],dest=null,error=null;for(let i=1;i<all.length;i++)dest=all[i],isStreamx(src)?src.pipe(dest,onerror):(errorHandle(src,!0,1<i,onerror),src.pipe(dest)),src=dest;if(done){let fin=!1;dest.on("finish",()=>{fin=!0}),dest.on("error",err=>{error=error||err}),dest.on("close",()=>done(error||(fin?null:PREMATURE_CLOSE)))}return dest}function isStream(stream){return!!stream._readableState||!!stream._writableState}function isStreamx(stream){return"number"==typeof stream._duplexState&&isStream(stream)}function isReadStreamx(stream){return isStreamx(stream)&&stream.readable}function isTypedArray(data){return"object"==typeof data&&null!==data&&"number"==typeof data.byteLength}function defaultByteLength(data){return isTypedArray(data)?data.byteLength:1024}function noop(){}function abort(){this.destroy(new Error("Stream aborted."))}const{EventEmitter}=require("events"),STREAM_DESTROYED=new Error("Stream was destroyed"),PREMATURE_CLOSE=new Error("Premature close"),queueTick=require("queue-tick"),FIFO=require("fast-fifo"),MAX=33554431,OPENING=1,DESTROYING=2,DESTROYED=4,NOT_OPENING=MAX^OPENING,READ_ACTIVE=8,READ_PRIMARY=16,READ_SYNC=32,READ_QUEUED=64,READ_RESUMED=128,READ_PIPE_DRAINED=256,READ_ENDING=512,READ_EMIT_DATA=1024,READ_EMIT_READABLE=2048,READ_EMITTED_READABLE=4096,READ_DONE=8192,READ_NEXT_TICK=16392,READ_NEEDS_PUSH=32768,READ_NOT_ACTIVE=MAX^READ_ACTIVE,READ_NON_PRIMARY=MAX^READ_PRIMARY,READ_NON_PRIMARY_AND_PUSHED=MAX^(READ_PRIMARY|READ_NEEDS_PUSH),READ_NOT_SYNC=MAX^READ_SYNC,READ_PUSHED=MAX^READ_NEEDS_PUSH,READ_PAUSED=MAX^READ_RESUMED,READ_NOT_QUEUED=MAX^(READ_QUEUED|READ_EMITTED_READABLE),READ_NOT_ENDING=MAX^READ_ENDING,READ_PIPE_NOT_DRAINED=MAX^(READ_RESUMED|READ_PIPE_DRAINED),READ_NOT_NEXT_TICK=MAX^READ_NEXT_TICK,WRITE_ACTIVE=65536,WRITE_PRIMARY=131072,WRITE_SYNC=262144,WRITE_QUEUED=524288,WRITE_UNDRAINED=1048576,WRITE_DONE=2097152,WRITE_EMIT_DRAIN=4194304,WRITE_NEXT_TICK=8454144,WRITE_FINISHING=16777216,WRITE_NOT_ACTIVE=MAX^WRITE_ACTIVE,WRITE_NOT_SYNC=MAX^WRITE_SYNC,WRITE_NON_PRIMARY=MAX^WRITE_PRIMARY,WRITE_NOT_FINISHING=MAX^WRITE_FINISHING,WRITE_DRAINED=MAX^WRITE_UNDRAINED,WRITE_NOT_QUEUED=MAX^WRITE_QUEUED,WRITE_NOT_NEXT_TICK=MAX^WRITE_NEXT_TICK,ACTIVE=READ_ACTIVE|WRITE_ACTIVE,NOT_ACTIVE=MAX^ACTIVE,DONE=READ_DONE|WRITE_DONE,DESTROY_STATUS=DESTROYING|DESTROYED,OPEN_STATUS=DESTROY_STATUS|OPENING,AUTO_DESTROY=DESTROY_STATUS|DONE,NON_PRIMARY=WRITE_NON_PRIMARY&READ_NON_PRIMARY,TICKING=(WRITE_NEXT_TICK|READ_NEXT_TICK)&NOT_ACTIVE,ACTIVE_OR_TICKING=ACTIVE|TICKING,IS_OPENING=OPEN_STATUS|TICKING,READ_PRIMARY_STATUS=OPEN_STATUS|READ_ENDING|READ_DONE,READ_STATUS=OPEN_STATUS|READ_DONE|READ_QUEUED,READ_FLOWING=READ_RESUMED|READ_PIPE_DRAINED,READ_ACTIVE_AND_SYNC=READ_ACTIVE|READ_SYNC,READ_ACTIVE_AND_SYNC_AND_NEEDS_PUSH=READ_ACTIVE|READ_SYNC|READ_NEEDS_PUSH,READ_PRIMARY_AND_ACTIVE=READ_PRIMARY|READ_ACTIVE,READ_ENDING_STATUS=OPEN_STATUS|READ_ENDING|READ_QUEUED,READ_EMIT_READABLE_AND_QUEUED=READ_EMIT_READABLE|READ_QUEUED,READ_READABLE_STATUS=OPEN_STATUS|READ_EMIT_READABLE|READ_QUEUED|READ_EMITTED_READABLE,SHOULD_NOT_READ=OPEN_STATUS|READ_ACTIVE|READ_ENDING|READ_DONE|READ_NEEDS_PUSH,READ_BACKPRESSURE_STATUS=DESTROY_STATUS|READ_ENDING|READ_DONE,WRITE_PRIMARY_STATUS=OPEN_STATUS|WRITE_FINISHING|WRITE_DONE,WRITE_QUEUED_AND_UNDRAINED=WRITE_QUEUED|WRITE_UNDRAINED,WRITE_QUEUED_AND_ACTIVE=WRITE_QUEUED|WRITE_ACTIVE,WRITE_DRAIN_STATUS=WRITE_QUEUED|WRITE_UNDRAINED|OPEN_STATUS|WRITE_ACTIVE,WRITE_STATUS=OPEN_STATUS|WRITE_ACTIVE|WRITE_QUEUED,WRITE_PRIMARY_AND_ACTIVE=WRITE_PRIMARY|WRITE_ACTIVE,WRITE_ACTIVE_AND_SYNC=WRITE_ACTIVE|WRITE_SYNC,WRITE_FINISHING_STATUS=OPEN_STATUS|WRITE_FINISHING|WRITE_QUEUED_AND_ACTIVE|WRITE_DONE,WRITE_BACKPRESSURE_STATUS=WRITE_UNDRAINED|DESTROY_STATUS|WRITE_FINISHING|WRITE_DONE,asyncIterator=Symbol.asyncIterator||Symbol("asyncIterator");class WritableState{constructor(stream,{highWaterMark=16384,map=null,mapWritable,byteLength,byteLengthWritable}={}){this.stream=stream,this.queue=new FIFO,this.highWaterMark=highWaterMark,this.buffered=0,this.error=null,this.pipeline=null,this.byteLength=byteLengthWritable||byteLength||defaultByteLength,this.map=mapWritable||map,this.afterWrite=afterWrite.bind(this),this.afterUpdateNextTick=updateWriteNT.bind(this)}get ended(){return 0!=(this.stream._duplexState&WRITE_DONE)}push(data){return(null!==this.map&&(data=this.map(data)),this.buffered+=this.byteLength(data),this.queue.push(data),this.buffered<this.highWaterMark)?(this.stream._duplexState|=WRITE_QUEUED,!0):(this.stream._duplexState|=WRITE_QUEUED_AND_UNDRAINED,!1)}shift(){const data=this.queue.shift(),stream=this.stream;return this.buffered-=this.byteLength(data),0===this.buffered&&(stream._duplexState&=WRITE_NOT_QUEUED),data}end(data){"function"==typeof data?this.stream.once("finish",data):data!==void 0&&null!==data&&this.push(data),this.stream._duplexState=(this.stream._duplexState|WRITE_FINISHING)&WRITE_NON_PRIMARY}autoBatch(data,cb){const buffer=[],stream=this.stream;for(buffer.push(data);(stream._duplexState&WRITE_STATUS)===WRITE_QUEUED_AND_ACTIVE;)buffer.push(stream._writableState.shift());return 0==(stream._duplexState&OPEN_STATUS)?void stream._writev(buffer,cb):cb(null)}update(){const stream=this.stream;for(;(stream._duplexState&WRITE_STATUS)===WRITE_QUEUED;){const data=this.shift();stream._duplexState|=WRITE_ACTIVE_AND_SYNC,stream._write(data,this.afterWrite),stream._duplexState&=WRITE_NOT_SYNC}0==(stream._duplexState&WRITE_PRIMARY_AND_ACTIVE)&&this.updateNonPrimary()}updateNonPrimary(){const stream=this.stream;return(stream._duplexState&WRITE_FINISHING_STATUS)===WRITE_FINISHING?(stream._duplexState=(stream._duplexState|WRITE_ACTIVE)&WRITE_NOT_FINISHING,void stream._final(afterFinal.bind(this))):(stream._duplexState&DESTROY_STATUS)===DESTROYING?void(0==(stream._duplexState&ACTIVE_OR_TICKING)&&(stream._duplexState|=ACTIVE,stream._destroy(afterDestroy.bind(this)))):void((stream._duplexState&IS_OPENING)===OPENING&&(stream._duplexState=(stream._duplexState|ACTIVE)&NOT_OPENING,stream._open(afterOpen.bind(this))))}updateNextTick(){0!=(this.stream._duplexState&WRITE_NEXT_TICK)||(this.stream._duplexState|=WRITE_NEXT_TICK,queueTick(this.afterUpdateNextTick))}}class ReadableState{constructor(stream,{highWaterMark=16384,map=null,mapReadable,byteLength,byteLengthReadable}={}){this.stream=stream,this.queue=new FIFO,this.highWaterMark=highWaterMark,this.buffered=0,this.error=null,this.pipeline=null,this.byteLength=byteLengthReadable||byteLength||defaultByteLength,this.map=mapReadable||map,this.pipeTo=null,this.afterRead=afterRead.bind(this),this.afterUpdateNextTick=updateReadNT.bind(this)}get ended(){return 0!=(this.stream._duplexState&READ_DONE)}pipe(pipeTo,cb){if(null!==this.pipeTo)throw new Error("Can only pipe to one destination");if("function"!=typeof cb&&(cb=null),this.stream._duplexState|=READ_PIPE_DRAINED,this.pipeTo=pipeTo,this.pipeline=new Pipeline(this.stream,pipeTo,cb),cb&&this.stream.on("error",noop),isStreamx(pipeTo))pipeTo._writableState.pipeline=this.pipeline,cb&&pipeTo.on("error",noop),pipeTo.on("finish",this.pipeline.finished.bind(this.pipeline));else{const onerror=this.pipeline.done.bind(this.pipeline,pipeTo),onclose=this.pipeline.done.bind(this.pipeline,pipeTo,null);pipeTo.on("error",onerror),pipeTo.on("close",onclose),pipeTo.on("finish",this.pipeline.finished.bind(this.pipeline))}pipeTo.on("drain",afterDrain.bind(this)),this.stream.emit("piping",pipeTo),pipeTo.emit("pipe",this.stream)}push(data){const stream=this.stream;return null===data?(this.highWaterMark=0,stream._duplexState=(stream._duplexState|READ_ENDING)&READ_NON_PRIMARY_AND_PUSHED,!1):(null!==this.map&&(data=this.map(data)),this.buffered+=this.byteLength(data),this.queue.push(data),stream._duplexState=(stream._duplexState|READ_QUEUED)&READ_PUSHED,this.buffered<this.highWaterMark)}shift(){const data=this.queue.shift();return this.buffered-=this.byteLength(data),0===this.buffered&&(this.stream._duplexState&=READ_NOT_QUEUED),data}unshift(data){let tail;const pending=[];for(;(tail=this.queue.shift())!==void 0;)pending.push(tail);this.push(data);for(let i=0;i<pending.length;i++)this.queue.push(pending[i])}read(){const stream=this.stream;if((stream._duplexState&READ_STATUS)===READ_QUEUED){const data=this.shift();return null!==this.pipeTo&&!1===this.pipeTo.write(data)&&(stream._duplexState&=READ_PIPE_NOT_DRAINED),0!=(stream._duplexState&READ_EMIT_DATA)&&stream.emit("data",data),data}return null}drain(){for(const stream=this.stream;(stream._duplexState&READ_STATUS)===READ_QUEUED&&0!=(stream._duplexState&READ_FLOWING);){const data=this.shift();null!==this.pipeTo&&!1===this.pipeTo.write(data)&&(stream._duplexState&=READ_PIPE_NOT_DRAINED),0!=(stream._duplexState&READ_EMIT_DATA)&&stream.emit("data",data)}}update(){const stream=this.stream;for(this.drain();this.buffered<this.highWaterMark&&0==(stream._duplexState&SHOULD_NOT_READ);)stream._duplexState|=READ_ACTIVE_AND_SYNC_AND_NEEDS_PUSH,stream._read(this.afterRead),stream._duplexState&=READ_NOT_SYNC,0==(stream._duplexState&READ_ACTIVE)&&this.drain();(stream._duplexState&READ_READABLE_STATUS)===READ_EMIT_READABLE_AND_QUEUED&&(stream._duplexState|=READ_EMITTED_READABLE,stream.emit("readable")),0==(stream._duplexState&READ_PRIMARY_AND_ACTIVE)&&this.updateNonPrimary()}updateNonPrimary(){const stream=this.stream;return(stream._duplexState&READ_ENDING_STATUS)===READ_ENDING&&(stream._duplexState=(stream._duplexState|READ_DONE)&READ_NOT_ENDING,stream.emit("end"),(stream._duplexState&AUTO_DESTROY)===DONE&&(stream._duplexState|=DESTROYING),null!==this.pipeTo&&this.pipeTo.end()),(stream._duplexState&DESTROY_STATUS)===DESTROYING?void(0==(stream._duplexState&ACTIVE_OR_TICKING)&&(stream._duplexState|=ACTIVE,stream._destroy(afterDestroy.bind(this)))):void((stream._duplexState&IS_OPENING)===OPENING&&(stream._duplexState=(stream._duplexState|ACTIVE)&NOT_OPENING,stream._open(afterOpen.bind(this))))}updateNextTick(){0!=(this.stream._duplexState&READ_NEXT_TICK)||(this.stream._duplexState|=READ_NEXT_TICK,queueTick(this.afterUpdateNextTick))}}class TransformState{constructor(stream){this.data=null,this.afterTransform=afterTransform.bind(stream),this.afterFinal=null}}class Pipeline{constructor(src,dst,cb){this.from=src,this.to=dst,this.afterPipe=cb,this.error=null,this.pipeToFinished=!1}finished(){this.pipeToFinished=!0}done(stream,err){return err&&(this.error=err),stream===this.to&&(this.to=null,null!==this.from)?void(0!=(this.from._duplexState&READ_DONE)&&this.pipeToFinished||this.from.destroy(this.error||new Error("Writable stream closed prematurely"))):stream===this.from&&(this.from=null,null!==this.to)?void(0==(stream._duplexState&READ_DONE)&&this.to.destroy(this.error||new Error("Readable stream closed before ending"))):void(null!==this.afterPipe&&this.afterPipe(this.error),this.to=this.from=this.afterPipe=null)}}class Stream extends EventEmitter{constructor(opts){super(),this._duplexState=0,this._readableState=null,this._writableState=null,opts&&(opts.open&&(this._open=opts.open),opts.destroy&&(this._destroy=opts.destroy),opts.predestroy&&(this._predestroy=opts.predestroy),opts.signal&&opts.signal.addEventListener("abort",abort.bind(this)))}_open(cb){cb(null)}_destroy(cb){cb(null)}_predestroy(){}get readable(){return null!==this._readableState||void 0}get writable(){return null!==this._writableState||void 0}get destroyed(){return 0!=(this._duplexState&DESTROYED)}get destroying(){return 0!=(this._duplexState&DESTROY_STATUS)}destroy(err){0==(this._duplexState&DESTROY_STATUS)&&(!err&&(err=STREAM_DESTROYED),this._duplexState=(this._duplexState|DESTROYING)&NON_PRIMARY,null!==this._readableState&&(this._readableState.error=err,this._readableState.updateNextTick()),null!==this._writableState&&(this._writableState.error=err,this._writableState.updateNextTick()),this._predestroy())}on(name,fn){return null!==this._readableState&&("data"===name&&(this._duplexState|=READ_EMIT_DATA|READ_RESUMED,this._readableState.updateNextTick()),"readable"===name&&(this._duplexState|=READ_EMIT_READABLE,this._readableState.updateNextTick())),null!==this._writableState&&"drain"===name&&(this._duplexState|=WRITE_EMIT_DRAIN,this._writableState.updateNextTick()),super.on(name,fn)}}class Readable extends Stream{constructor(opts){super(opts),this._duplexState|=OPENING|WRITE_DONE,this._readableState=new ReadableState(this,opts),opts&&(opts.read&&(this._read=opts.read),opts.eagerOpen&&this.resume().pause())}_read(cb){cb(null)}pipe(dest,cb){return this._readableState.pipe(dest,cb),this._readableState.updateNextTick(),dest}read(){return this._readableState.updateNextTick(),this._readableState.read()}push(data){return this._readableState.updateNextTick(),this._readableState.push(data)}unshift(data){return this._readableState.updateNextTick(),this._readableState.unshift(data)}resume(){return this._duplexState|=READ_RESUMED,this._readableState.updateNextTick(),this}pause(){return this._duplexState&=READ_PAUSED,this}static _fromAsyncIterator(ite,opts){function push(data){data.done?rs.push(null):rs.push(data.value)}let destroy;const rs=new Readable({...opts,read(cb){ite.next().then(push).then(cb.bind(null,null)).catch(cb)},predestroy(){destroy=ite.return()},destroy(cb){return destroy?void destroy.then(cb.bind(null,null)).catch(cb):cb(null)}});return rs}static from(data,opts){if(isReadStreamx(data))return data;if(data[asyncIterator])return this._fromAsyncIterator(data[asyncIterator](),opts);Array.isArray(data)||(data=data===void 0?[]:[data]);let i=0;return new Readable({...opts,read(cb){this.push(i===data.length?null:data[i++]),cb(null)}})}static isBackpressured(rs){return 0!=(rs._duplexState&READ_BACKPRESSURE_STATUS)||rs._readableState.buffered>=rs._readableState.highWaterMark}static isPaused(rs){return 0==(rs._duplexState&READ_RESUMED)}[asyncIterator](){function onreadable(){null!==promiseResolve&&ondata(stream.read())}function onclose(){null!==promiseResolve&&ondata(null)}function ondata(data){null===promiseReject||(error?promiseReject(error):null===data&&0==(stream._duplexState&READ_DONE)?promiseReject(STREAM_DESTROYED):promiseResolve({value:data,done:null==data}),promiseReject=promiseResolve=null)}function destroy(err){return stream.destroy(err),new Promise((resolve,reject)=>stream._duplexState&DESTROYED?resolve({value:void 0,done:!0}):void stream.once("close",function(){err?reject(err):resolve({value:void 0,done:!0})}))}const stream=this;let error=null,promiseResolve=null,promiseReject=null;return this.on("error",err=>{error=err}),this.on("readable",onreadable),this.on("close",onclose),{[asyncIterator](){return this},next(){return new Promise(function(resolve,reject){promiseResolve=resolve,promiseReject=reject;const data=stream.read();null===data?0!=(stream._duplexState&DESTROYED)&&ondata(null):ondata(data)})},return(){return destroy(null)},throw(err){return destroy(err)}}}}class Writable extends Stream{constructor(opts){super(opts),this._duplexState|=OPENING|READ_DONE,this._writableState=new WritableState(this,opts),opts&&(opts.writev&&(this._writev=opts.writev),opts.write&&(this._write=opts.write),opts.final&&(this._final=opts.final))}_writev(batch,cb){cb(null)}_write(data,cb){this._writableState.autoBatch(data,cb)}_final(cb){cb(null)}static isBackpressured(ws){return 0!=(ws._duplexState&WRITE_BACKPRESSURE_STATUS)}write(data){return this._writableState.updateNextTick(),this._writableState.push(data)}end(data){return this._writableState.updateNextTick(),this._writableState.end(data),this}}class Duplex extends Readable{constructor(opts){super(opts),this._duplexState=OPENING,this._writableState=new WritableState(this,opts),opts&&(opts.writev&&(this._writev=opts.writev),opts.write&&(this._write=opts.write),opts.final&&(this._final=opts.final))}_writev(batch,cb){cb(null)}_write(data,cb){this._writableState.autoBatch(data,cb)}_final(cb){cb(null)}write(data){return this._writableState.updateNextTick(),this._writableState.push(data)}end(data){return this._writableState.updateNextTick(),this._writableState.end(data),this}}class Transform extends Duplex{constructor(opts){super(opts),this._transformState=new TransformState(this),opts&&(opts.transform&&(this._transform=opts.transform),opts.flush&&(this._flush=opts.flush))}_write(data,cb){this._readableState.buffered>=this._readableState.highWaterMark?this._transformState.data=data:this._transform(data,this._transformState.afterTransform)}_read(cb){if(null!==this._transformState.data){const data=this._transformState.data;this._transformState.data=null,cb(null),this._transform(data,this._transformState.afterTransform)}else cb(null)}_transform(data,cb){cb(null,data)}_flush(cb){cb(null)}_final(cb){this._transformState.afterFinal=cb,this._flush(transformAfterFlush.bind(this))}}class PassThrough extends Transform{}module.exports={pipeline,pipelinePromise,isStream,isStreamx,Stream,Writable,Readable,Duplex,Transform,PassThrough}},{events:122,"fast-fifo":126,"queue-tick":206}],264:[function(require,module,exports){arguments[4][70][0].apply(exports,arguments)},{dup:70,"safe-buffer":234}],265:[function(require,module,exports){var base32=require("./thirty-two");exports.encode=base32.encode,exports.decode=base32.decode},{"./thirty-two":266}],266:[function(require,module,exports){(function(Buffer){(function(){"use strict";function quintetCount(buff){var quintets=_Mathfloor(buff.length/5);return 0==buff.length%5?quintets:quintets+1}var charTable="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",byteTable=[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];exports.encode=function(plain){Buffer.isBuffer(plain)||(plain=new Buffer(plain));for(var i=0,j=0,shiftIndex=0,digit=0,encoded=new Buffer(8*quintetCount(plain));i<plain.length;){var current=plain[i];3<shiftIndex?(digit=current&255>>shiftIndex,shiftIndex=(shiftIndex+5)%8,digit=digit<<shiftIndex|(i+1<plain.length?plain[i+1]:0)>>8-shiftIndex,i++):(digit=31¤t>>8-(shiftIndex+5),shiftIndex=(shiftIndex+5)%8,0===shiftIndex&&i++),encoded[j]="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567".charCodeAt(digit),j++}for(i=j;i<encoded.length;i++)encoded[i]=61;return encoded},exports.decode=function(encoded){var shiftIndex=0,plainDigit=0,plainPos=0,plainChar;Buffer.isBuffer(encoded)||(encoded=new Buffer(encoded));for(var decoded=new Buffer(_Mathceil(5*encoded.length/8)),i=0;i<encoded.length&&!(61===encoded[i]);i++){var encodedByte=encoded[i]-48;if(encodedByte<byteTable.length)plainDigit=byteTable[encodedByte],3>=shiftIndex?(shiftIndex=(shiftIndex+5)%8,0===shiftIndex?(plainChar|=plainDigit,decoded[plainPos]=plainChar,plainPos++,plainChar=0):plainChar|=255&plainDigit<<8-shiftIndex):(shiftIndex=(shiftIndex+5)%8,plainChar|=255&plainDigit>>>shiftIndex,decoded[plainPos]=plainChar,plainPos++,plainChar=255&plainDigit<<8-shiftIndex);else throw new Error("Invalid input - it is not base32 encoded string")}return decoded.slice(0,plainPos)}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75}],267:[function(require,module,exports){function getTick(start){return 65535&(+Date.now()-start)/timeDiff}const maxTick=65535,resolution=10,timeDiff=1e3/resolution;module.exports=function(seconds){const start=+Date.now(),size=resolution*(seconds||5),buffer=[0];let pointer=1,last=getTick(start)-1&maxTick;return function(delta){const tick=getTick(start);let dist=tick-last&maxTick;for(dist>size&&(dist=size),last=tick;dist--;)pointer===size&&(pointer=0),buffer[pointer]=buffer[0===pointer?size-1:pointer-1],pointer++;delta&&(buffer[pointer-1]+=delta);const top=buffer[pointer-1],btm=buffer.length<size?0:buffer[pointer===size?0:pointer];return buffer.length<resolution?top:(top-btm)*resolution/buffer.length}}},{}],268:[function(require,module,exports){var Buffer=require("buffer").Buffer;module.exports=function(buf){if(buf instanceof Uint8Array){if(0===buf.byteOffset&&buf.byteLength===buf.buffer.byteLength)return buf.buffer;if("function"==typeof buf.buffer.slice)return buf.buffer.slice(buf.byteOffset,buf.byteOffset+buf.byteLength)}if(Buffer.isBuffer(buf)){for(var arrayCopy=new Uint8Array(buf.length),len=buf.length,i=0;i<len;i++)arrayCopy[i]=buf[i];return arrayCopy.buffer}throw new Error("Argument must be a Buffer")}},{buffer:75}],269:[function(require,module,exports){(function(process){(function(){/*! torrent-discovery. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const debug=require("debug")("torrent-discovery"),DHT=require("bittorrent-dht/client"),EventEmitter=require("events").EventEmitter,parallel=require("run-parallel"),Tracker=require("bittorrent-tracker/client"),LSD=require("bittorrent-lsd");class Discovery extends EventEmitter{constructor(opts){if(super(),!opts.peerId)throw new Error("Option `peerId` is required");if(!opts.infoHash)throw new Error("Option `infoHash` is required");if(!process.browser&&!opts.port)throw new Error("Option `port` is required");this.peerId="string"==typeof opts.peerId?opts.peerId:opts.peerId.toString("hex"),this.infoHash="string"==typeof opts.infoHash?opts.infoHash.toLowerCase():opts.infoHash.toString("hex"),this._port=opts.port,this._userAgent=opts.userAgent,this.destroyed=!1,this._announce=opts.announce||[],this._intervalMs=opts.intervalMs||900000,this._trackerOpts=null,this._dhtAnnouncing=!1,this._dhtTimeout=!1,this._internalDHT=!1,this._onWarning=err=>{this.emit("warning",err)},this._onError=err=>{this.emit("error",err)},this._onDHTPeer=(peer,infoHash)=>{infoHash.toString("hex")!==this.infoHash||this.emit("peer",`${peer.host}:${peer.port}`,"dht")},this._onTrackerPeer=peer=>{this.emit("peer",peer,"tracker")},this._onTrackerAnnounce=()=>{this.emit("trackerAnnounce")},this._onLSDPeer=(peer,infoHash)=>{this.emit("peer",peer,"lsd")};const createDHT=(port,opts)=>{const dht=new DHT(opts);return dht.on("warning",this._onWarning),dht.on("error",this._onError),dht.listen(port),this._internalDHT=!0,dht};!1===opts.tracker?this.tracker=null:opts.tracker&&"object"==typeof opts.tracker?(this._trackerOpts=Object.assign({},opts.tracker),this.tracker=this._createTracker()):this.tracker=this._createTracker(),this.dht=!1===opts.dht||"function"!=typeof DHT?null:opts.dht&&"function"==typeof opts.dht.addNode?opts.dht:opts.dht&&"object"==typeof opts.dht?createDHT(opts.dhtPort,opts.dht):createDHT(opts.dhtPort),this.dht&&(this.dht.on("peer",this._onDHTPeer),this._dhtAnnounce()),this.lsd=!1===opts.lsd||"function"!=typeof LSD?null:this._createLSD()}updatePort(port){port===this._port||(this._port=port,this.dht&&this._dhtAnnounce(),this.tracker&&(this.tracker.stop(),this.tracker.destroy(()=>{this.tracker=this._createTracker()})))}complete(opts){this.tracker&&this.tracker.complete(opts)}destroy(cb){if(!this.destroyed){this.destroyed=!0,clearTimeout(this._dhtTimeout);const tasks=[];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),tasks.push(cb=>{this.tracker.destroy(cb)})),this.dht&&this.dht.removeListener("peer",this._onDHTPeer),this._internalDHT&&(this.dht.removeListener("warning",this._onWarning),this.dht.removeListener("error",this._onError),tasks.push(cb=>{this.dht.destroy(cb)})),this.lsd&&(this.lsd.removeListener("warning",this._onWarning),this.lsd.removeListener("error",this._onError),this.lsd.removeListener("peer",this._onLSDPeer),tasks.push(cb=>{this.lsd.destroy(cb)})),parallel(tasks,cb),this.dht=null,this.tracker=null,this.lsd=null,this._announce=null}}_createTracker(){const opts=Object.assign({},this._trackerOpts,{infoHash:this.infoHash,announce:this._announce,peerId:this.peerId,port:this._port,userAgent:this._userAgent}),tracker=new Tracker(opts);return tracker.on("warning",this._onWarning),tracker.on("error",this._onError),tracker.on("peer",this._onTrackerPeer),tracker.on("update",this._onTrackerAnnounce),tracker.setInterval(this._intervalMs),tracker.start(),tracker}_dhtAnnounce(){this._dhtAnnouncing||(debug("dht announce"),this._dhtAnnouncing=!0,clearTimeout(this._dhtTimeout),this.dht.announce(this.infoHash,this._port,err=>{this._dhtAnnouncing=!1,debug("dht announce complete"),err&&this.emit("warning",err),this.emit("dhtAnnounce"),this.destroyed||(this._dhtTimeout=setTimeout(()=>{this._dhtAnnounce()},this._intervalMs+_Mathfloor(Math.random()*this._intervalMs/5)),this._dhtTimeout.unref&&this._dhtTimeout.unref())}))}_createLSD(){const opts=Object.assign({},{infoHash:this.infoHash,peerId:this.peerId,port:this._port}),lsd=new LSD(opts);return lsd.on("warning",this._onWarning),lsd.on("error",this._onError),lsd.on("peer",this._onLSDPeer),lsd.start(),lsd}}module.exports=Discovery}).call(this)}).call(this,require("_process"))},{_process:192,"bittorrent-dht/client":41,"bittorrent-lsd":41,"bittorrent-tracker/client":33,debug:90,events:122,"run-parallel":232}],270:[function(require,module,exports){(function(Buffer){(function(){/*! torrent-piece. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const BLOCK_LENGTH=16384;class Piece{constructor(length){this.length=length,this.missing=length,this.sources=null,this._chunks=_Mathceil(length/BLOCK_LENGTH),this._remainder=length%BLOCK_LENGTH||BLOCK_LENGTH,this._buffered=0,this._buffer=null,this._cancellations=null,this._reservations=0,this._flushed=!1}chunkLength(i){return i===this._chunks-1?this._remainder:BLOCK_LENGTH}chunkLengthRemaining(i){return this.length-i*BLOCK_LENGTH}chunkOffset(i){return i*BLOCK_LENGTH}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._cancellations.length||this._reservations<this._chunks){let min=this._reservations;for(;this._cancellations.length;)min=_Mathmin(min,this._cancellations.pop());return this._reservations=this._chunks,min}return-1}cancel(i){this.init()&&this._cancellations.push(i)}cancelRemaining(i){this.init()&&(this._reservations=i)}get(i){return this.init()?this._buffer[i]:null}set(i,data,source){if(!this.init())return!1;const len=data.length,blocks=_Mathceil(len/BLOCK_LENGTH);for(let j=0;j<blocks;j++)if(!this._buffer[i+j]){const offset=j*BLOCK_LENGTH,splitData=data.slice(offset,offset+BLOCK_LENGTH);this._buffered++,this._buffer[i+j]=splitData,this.missing-=splitData.length,this.sources.includes(source)||this.sources.push(source)}return this._buffered===this._chunks}flush(){if(!this._buffer||this._chunks!==this._buffered)return null;const buffer=Buffer.concat(this._buffer,this.length);return this._buffer=null,this._cancellations=null,this.sources=null,this._flushed=!0,buffer}init(){return!this._flushed&&(!!this._buffer||(this._buffer=Array(this._chunks),this._cancellations=[],this.sources=[],!0))}}Object.defineProperty(Piece,"BLOCK_LENGTH",{value:16384}),module.exports=Piece}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75}],271:[function(require,module,exports){var bufferAlloc=require("buffer-alloc"),UINT_32_MAX=_Mathpow(2,32);exports.encodingLength=function(){return 8},exports.encode=function(num,buf,offset){buf||(buf=bufferAlloc(8)),offset||(offset=0);var top=_Mathfloor(num/UINT_32_MAX),rem=num-top*UINT_32_MAX;return buf.writeUInt32BE(top,offset),buf.writeUInt32BE(rem,offset+4),buf},exports.decode=function(buf,offset){offset||(offset=0);var top=buf.readUInt32BE(offset),rem=buf.readUInt32BE(offset+4);return top*UINT_32_MAX+rem},exports.encode.bytes=8,exports.decode.bytes=8},{"buffer-alloc":72}],272:[function(require,module,exports){function remove(arr,i){if(!(i>=arr.length||0>i)){var last=arr.pop();if(i<arr.length){var tmp=arr[i];return arr[i]=last,tmp}return last}}module.exports=remove},{}],273:[function(require,module,exports){"use strict";function Url(){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 urlParse(url,parseQueryString,slashesDenoteHost){if(url&&util.isObject(url)&&url instanceof Url)return url;var u=new Url;return u.parse(url,parseQueryString,slashesDenoteHost),u}function urlFormat(obj){return util.isString(obj)&&(obj=urlParse(obj)),obj instanceof Url?obj.format():Url.prototype.format.call(obj)}function urlResolve(source,relative){return urlParse(source,!1,!0).resolve(relative)}function urlResolveObject(source,relative){return source?urlParse(source,!1,!0).resolveObject(relative):relative}var punycode=require("punycode"),util=require("./util");exports.parse=urlParse,exports.resolve=urlResolve,exports.resolveObject=urlResolveObject,exports.format=urlFormat,exports.Url=Url;var protocolPattern=/^([a-z0-9.+-]+:)/i,portPattern=/:[0-9]*$/,simplePathPattern=/^(\/\/?(?!\/)[^\?\s]*)(\?[^\s]*)?$/,delims=["<",">","\"","`"," ","\r","\n","\t"],unwise=["{","}","|","\\","^","`"].concat(delims),autoEscape=["'"].concat(unwise),nonHostChars=["%","/","?",";","#"].concat(autoEscape),hostEndingChars=["/","?","#"],hostnameMaxLen=255,hostnamePartPattern=/^[+a-z0-9A-Z_-]{0,63}$/,hostnamePartStart=/^([+a-z0-9A-Z_-]{0,63})(.*)$/,unsafeProtocol={javascript:!0,"javascript:":!0},hostlessProtocol={javascript:!0,"javascript:":!0},slashedProtocol={http:!0,https:!0,ftp:!0,gopher:!0,file:!0,"http:":!0,"https:":!0,"ftp:":!0,"gopher:":!0,"file:":!0},querystring=require("querystring");Url.prototype.parse=function(url,parseQueryString,slashesDenoteHost){if(!util.isString(url))throw new TypeError("Parameter 'url' must be a string, not "+typeof url);var queryIndex=url.indexOf("?"),splitter=-1!==queryIndex&&queryIndex<url.indexOf("#")?"?":"#",uSplit=url.split(splitter),slashRegex=/\\/g;uSplit[0]=uSplit[0].replace(slashRegex,"/"),url=uSplit.join(splitter);var rest=url;if(rest=rest.trim(),!slashesDenoteHost&&1===url.split("#").length){var simplePath=simplePathPattern.exec(rest);if(simplePath)return this.path=rest,this.href=rest,this.pathname=simplePath[1],simplePath[2]?(this.search=simplePath[2],this.query=parseQueryString?querystring.parse(this.search.substr(1)):this.search.substr(1)):parseQueryString&&(this.search="",this.query={}),this}var proto=protocolPattern.exec(rest);if(proto){proto=proto[0];var lowerProto=proto.toLowerCase();this.protocol=lowerProto,rest=rest.substr(proto.length)}if(slashesDenoteHost||proto||rest.match(/^\/\/[^@\/]+@[^@\/]+/)){var slashes="//"===rest.substr(0,2);slashes&&!(proto&&hostlessProtocol[proto])&&(rest=rest.substr(2),this.slashes=!0)}if(!hostlessProtocol[proto]&&(slashes||proto&&!slashedProtocol[proto])){for(var hostEnd=-1,i=0,hec;i<hostEndingChars.length;i++)hec=rest.indexOf(hostEndingChars[i]),-1!==hec&&(-1===hostEnd||hec<hostEnd)&&(hostEnd=hec);var auth,atSign;atSign=-1===hostEnd?rest.lastIndexOf("@"):rest.lastIndexOf("@",hostEnd),-1!==atSign&&(auth=rest.slice(0,atSign),rest=rest.slice(atSign+1),this.auth=decodeURIComponent(auth)),hostEnd=-1;for(var i=0,hec;i<nonHostChars.length;i++)hec=rest.indexOf(nonHostChars[i]),-1!==hec&&(-1===hostEnd||hec<hostEnd)&&(hostEnd=hec);-1===hostEnd&&(hostEnd=rest.length),this.host=rest.slice(0,hostEnd),rest=rest.slice(hostEnd),this.parseHost(),this.hostname=this.hostname||"";var ipv6Hostname="["===this.hostname[0]&&"]"===this.hostname[this.hostname.length-1];if(!ipv6Hostname)for(var hostparts=this.hostname.split(/\./),i=0,l=hostparts.length,part;i<l;i++)if(part=hostparts[i],part&&!part.match(hostnamePartPattern)){for(var newpart="",j=0,k=part.length;j<k;j++)newpart+=127<part.charCodeAt(j)?"x":part[j];if(!newpart.match(hostnamePartPattern)){var validParts=hostparts.slice(0,i),notHost=hostparts.slice(i+1),bit=part.match(hostnamePartStart);bit&&(validParts.push(bit[1]),notHost.unshift(bit[2])),notHost.length&&(rest="/"+notHost.join(".")+rest),this.hostname=validParts.join(".");break}}this.hostname=255<this.hostname.length?"":this.hostname.toLowerCase(),ipv6Hostname||(this.hostname=punycode.toASCII(this.hostname));var p=this.port?":"+this.port:"",h=this.hostname||"";this.host=h+p,this.href+=this.host,ipv6Hostname&&(this.hostname=this.hostname.substr(1,this.hostname.length-2),"/"!==rest[0]&&(rest="/"+rest))}if(!unsafeProtocol[lowerProto])for(var i=0,l=autoEscape.length,ae;i<l;i++)if(ae=autoEscape[i],-1!==rest.indexOf(ae)){var esc=encodeURIComponent(ae);esc===ae&&(esc=escape(ae)),rest=rest.split(ae).join(esc)}var hash=rest.indexOf("#");-1!==hash&&(this.hash=rest.substr(hash),rest=rest.slice(0,hash));var qm=rest.indexOf("?");if(-1===qm?parseQueryString&&(this.search="",this.query={}):(this.search=rest.substr(qm),this.query=rest.substr(qm+1),parseQueryString&&(this.query=querystring.parse(this.query)),rest=rest.slice(0,qm)),rest&&(this.pathname=rest),slashedProtocol[lowerProto]&&this.hostname&&!this.pathname&&(this.pathname="/"),this.pathname||this.search){var p=this.pathname||"",s=this.search||"";this.path=p+s}return this.href=this.format(),this},Url.prototype.format=function(){var auth=this.auth||"";auth&&(auth=encodeURIComponent(auth),auth=auth.replace(/%3A/i,":"),auth+="@");var protocol=this.protocol||"",pathname=this.pathname||"",hash=this.hash||"",host=!1,query="";this.host?host=auth+this.host:this.hostname&&(host=auth+(-1===this.hostname.indexOf(":")?this.hostname:"["+this.hostname+"]"),this.port&&(host+=":"+this.port)),this.query&&util.isObject(this.query)&&Object.keys(this.query).length&&(query=querystring.stringify(this.query));var search=this.search||query&&"?"+query||"";return protocol&&":"!==protocol.substr(-1)&&(protocol+=":"),this.slashes||(!protocol||slashedProtocol[protocol])&&!1!==host?(host="//"+(host||""),pathname&&"/"!==pathname.charAt(0)&&(pathname="/"+pathname)):!host&&(host=""),hash&&"#"!==hash.charAt(0)&&(hash="#"+hash),search&&"?"!==search.charAt(0)&&(search="?"+search),pathname=pathname.replace(/[?#]/g,function(match){return encodeURIComponent(match)}),search=search.replace("#","%23"),protocol+host+pathname+search+hash},Url.prototype.resolve=function(relative){return this.resolveObject(urlParse(relative,!1,!0)).format()},Url.prototype.resolveObject=function(relative){if(util.isString(relative)){var rel=new Url;rel.parse(relative,!1,!0),relative=rel}for(var result=new Url,tkeys=Object.keys(this),tk=0,tkey;tk<tkeys.length;tk++)tkey=tkeys[tk],result[tkey]=this[tkey];if(result.hash=relative.hash,""===relative.href)return result.href=result.format(),result;if(relative.slashes&&!relative.protocol){for(var rkeys=Object.keys(relative),rk=0,rkey;rk<rkeys.length;rk++)rkey=rkeys[rk],"protocol"!==rkey&&(result[rkey]=relative[rkey]);return slashedProtocol[result.protocol]&&result.hostname&&!result.pathname&&(result.path=result.pathname="/"),result.href=result.format(),result}if(relative.protocol&&relative.protocol!==result.protocol){if(!slashedProtocol[relative.protocol]){for(var keys=Object.keys(relative),v=0,k;v<keys.length;v++)k=keys[v],result[k]=relative[k];return result.href=result.format(),result}if(result.protocol=relative.protocol,!relative.host&&!hostlessProtocol[relative.protocol]){for(var relPath=(relative.pathname||"").split("/");relPath.length&&!(relative.host=relPath.shift()););relative.host||(relative.host=""),relative.hostname||(relative.hostname=""),""!==relPath[0]&&relPath.unshift(""),2>relPath.length&&relPath.unshift(""),result.pathname=relPath.join("/")}else result.pathname=relative.pathname;if(result.search=relative.search,result.query=relative.query,result.host=relative.host||"",result.auth=relative.auth,result.hostname=relative.hostname||relative.host,result.port=relative.port,result.pathname||result.search){var p=result.pathname||"",s=result.search||"";result.path=p+s}return result.slashes=result.slashes||relative.slashes,result.href=result.format(),result}var isSourceAbs=result.pathname&&"/"===result.pathname.charAt(0),isRelAbs=relative.host||relative.pathname&&"/"===relative.pathname.charAt(0),mustEndAbs=isRelAbs||isSourceAbs||result.host&&relative.pathname,removeAllDots=mustEndAbs,srcPath=result.pathname&&result.pathname.split("/")||[],relPath=relative.pathname&&relative.pathname.split("/")||[],psychotic=result.protocol&&!slashedProtocol[result.protocol];if(psychotic&&(result.hostname="",result.port=null,result.host&&(""===srcPath[0]?srcPath[0]=result.host:srcPath.unshift(result.host)),result.host="",relative.protocol&&(relative.hostname=null,relative.port=null,relative.host&&(""===relPath[0]?relPath[0]=relative.host:relPath.unshift(relative.host)),relative.host=null),mustEndAbs=mustEndAbs&&(""===relPath[0]||""===srcPath[0])),isRelAbs)result.host=relative.host||""===relative.host?relative.host:result.host,result.hostname=relative.hostname||""===relative.hostname?relative.hostname:result.hostname,result.search=relative.search,result.query=relative.query,srcPath=relPath;else if(relPath.length)srcPath||(srcPath=[]),srcPath.pop(),srcPath=srcPath.concat(relPath),result.search=relative.search,result.query=relative.query;else if(!util.isNullOrUndefined(relative.search)){if(psychotic){result.hostname=result.host=srcPath.shift();var authInHost=!!(result.host&&0<result.host.indexOf("@"))&&result.host.split("@");authInHost&&(result.auth=authInHost.shift(),result.host=result.hostname=authInHost.shift())}return result.search=relative.search,result.query=relative.query,util.isNull(result.pathname)&&util.isNull(result.search)||(result.path=(result.pathname?result.pathname:"")+(result.search?result.search:"")),result.href=result.format(),result}if(!srcPath.length)return result.pathname=null,result.path=result.search?"/"+result.search:null,result.href=result.format(),result;for(var last=srcPath.slice(-1)[0],hasTrailingSlash=(result.host||relative.host||1<srcPath.length)&&("."===last||".."===last)||""===last,up=0,i=srcPath.length;0<=i;i--)last=srcPath[i],"."===last?srcPath.splice(i,1):".."===last?(srcPath.splice(i,1),up++):up&&(srcPath.splice(i,1),up--);if(!mustEndAbs&&!removeAllDots)for(;up--;up)srcPath.unshift("..");mustEndAbs&&""!==srcPath[0]&&(!srcPath[0]||"/"!==srcPath[0].charAt(0))&&srcPath.unshift(""),hasTrailingSlash&&"/"!==srcPath.join("/").substr(-1)&&srcPath.push("");var isAbsolute=""===srcPath[0]||srcPath[0]&&"/"===srcPath[0].charAt(0);if(psychotic){result.hostname=result.host=isAbsolute?"":srcPath.length?srcPath.shift():"";var authInHost=!!(result.host&&0<result.host.indexOf("@"))&&result.host.split("@");authInHost&&(result.auth=authInHost.shift(),result.host=result.hostname=authInHost.shift())}return mustEndAbs=mustEndAbs||result.host&&srcPath.length,mustEndAbs&&!isAbsolute&&srcPath.unshift(""),srcPath.length?result.pathname=srcPath.join("/"):(result.pathname=null,result.path=null),util.isNull(result.pathname)&&util.isNull(result.search)||(result.path=(result.pathname?result.pathname:"")+(result.search?result.search:"")),result.auth=relative.auth||result.auth,result.slashes=result.slashes||relative.slashes,result.href=result.format(),result},Url.prototype.parseHost=function(){var host=this.host,port=portPattern.exec(host);port&&(port=port[0],":"!==port&&(this.port=port.substr(1)),host=host.substr(0,host.length-port.length)),host&&(this.hostname=host)}},{"./util":274,punycode:201,querystring:204}],274:[function(require,module,exports){"use strict";module.exports={isString:function(arg){return"string"==typeof arg},isObject:function(arg){return"object"==typeof arg&&null!==arg},isNull:function(arg){return null===arg},isNullOrUndefined:function(arg){return null==arg}}},{}],275:[function(require,module,exports){(function(Buffer){(function(){/*! ut_metadata. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const{EventEmitter}=require("events"),bencode=require("bencode"),BitField=require("bitfield").default,debug=require("debug")("ut_metadata"),sha1=require("simple-sha1"),MAX_METADATA_SIZE=1E7,BITFIELD_GROW=1E3,PIECE_LENGTH=16384;module.exports=metadata=>{class utMetadata extends EventEmitter{constructor(wire){super(),this._wire=wire,this._fetching=!1,this._metadataComplete=!1,this._metadataSize=null,this._remainingRejects=null,this._bitfield=new BitField(0,{grow:BITFIELD_GROW}),Buffer.isBuffer(metadata)&&this.setMetadata(metadata)}onHandshake(infoHash,peerId,extensions){this._infoHash=infoHash}onExtendedHandshake(handshake){return handshake.m&&handshake.m.ut_metadata?handshake.metadata_size?"number"!=typeof handshake.metadata_size||MAX_METADATA_SIZE<handshake.metadata_size||0>=handshake.metadata_size?this.emit("warning",new Error("Peer gave invalid metadata size")):void(this._metadataSize=handshake.metadata_size,this._numPieces=_Mathceil(this._metadataSize/PIECE_LENGTH),this._remainingRejects=2*this._numPieces,this._requestPieces()):this.emit("warning",new Error("Peer does not have metadata")):this.emit("warning",new Error("Peer does not support ut_metadata"))}onMessage(buf){let dict,trailer;try{const str=buf.toString(),trailerIndex=str.indexOf("ee")+2;dict=bencode.decode(str.substring(0,trailerIndex)),trailer=buf.slice(trailerIndex)}catch(err){return}switch(dict.msg_type){case 0:this._onRequest(dict.piece);break;case 1:this._onData(dict.piece,trailer,dict.total_size);break;case 2:this._onReject(dict.piece);}}fetch(){this._metadataComplete||(this._fetching=!0,this._metadataSize&&this._requestPieces())}cancel(){this._fetching=!1}setMetadata(metadata){if(this._metadataComplete)return!0;debug("set metadata");try{const info=bencode.decode(metadata).info;info&&(metadata=bencode.encode(info))}catch(err){}return!(this._infoHash&&this._infoHash!==sha1.sync(metadata))&&(this.cancel(),this.metadata=metadata,this._metadataComplete=!0,this._metadataSize=this.metadata.length,this._wire.extendedHandshake.metadata_size=this._metadataSize,this.emit("metadata",bencode.encode({info:bencode.decode(this.metadata)})),!0)}_send(dict,trailer){let buf=bencode.encode(dict);Buffer.isBuffer(trailer)&&(buf=Buffer.concat([buf,trailer])),this._wire.extended("ut_metadata",buf)}_request(piece){this._send({msg_type:0,piece})}_data(piece,buf,totalSize){const msg={msg_type:1,piece};"number"==typeof totalSize&&(msg.total_size=totalSize),this._send(msg,buf)}_reject(piece){this._send({msg_type:2,piece})}_onRequest(piece){if(!this._metadataComplete)return void this._reject(piece);const start=piece*PIECE_LENGTH;let end=start+PIECE_LENGTH;end>this._metadataSize&&(end=this._metadataSize);const buf=this.metadata.slice(start,end);this._data(piece,buf,this._metadataSize)}_onData(piece,buf,totalSize){buf.length>PIECE_LENGTH||!this._fetching||(buf.copy(this.metadata,piece*PIECE_LENGTH),this._bitfield.set(piece),this._checkDone())}_onReject(piece){0<this._remainingRejects&&this._fetching?(this._request(piece),this._remainingRejects-=1):this.emit("warning",new Error("Peer sent \"reject\" too much"))}_requestPieces(){if(this._fetching){this.metadata=Buffer.alloc(this._metadataSize);for(let piece=0;piece<this._numPieces;piece++)this._request(piece)}}_checkDone(){let done=!0;for(let piece=0;piece<this._numPieces;piece++)if(!this._bitfield.get(piece)){done=!1;break}if(done){const success=this.setMetadata(this.metadata);success||this._failedMetadata()}}_failedMetadata(){this._bitfield=new BitField(0,{grow:BITFIELD_GROW}),this._remainingRejects-=this._numPieces,0<this._remainingRejects?this._requestPieces():this.emit("warning",new Error("Peer sent invalid metadata"))}}return utMetadata.prototype.name="ut_metadata",utMetadata}}).call(this)}).call(this,require("buffer").Buffer)},{bencode:27,bitfield:31,buffer:75,debug:90,events:122,"simple-sha1":247}],276:[function(require,module,exports){(function(global){(function(){function deprecate(fn,msg){function deprecated(){if(!warned){if(config("throwDeprecation"))throw new Error(msg);else config("traceDeprecation")?console.trace(msg):console.warn(msg);warned=!0}return fn.apply(this,arguments)}if(config("noDeprecation"))return fn;var warned=!1;return deprecated}function config(name){try{if(!global.localStorage)return!1}catch(_){return!1}var val=global.localStorage[name];return null!=val&&"true"===(val+"").toLowerCase()}module.exports=deprecate}).call(this)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{}],277:[function(require,module,exports){(function(Buffer){(function(){function empty(){return{version:0,flags:0,entries:[]}}const bs=require("binary-search"),EventEmitter=require("events"),mp4=require("mp4-stream"),Box=require("mp4-box-encoding"),RangeSliceStream=require("range-slice-stream"),FIND_MOOV_SEEK_SIZE=4096;class MP4Remuxer extends EventEmitter{constructor(file){super(),this._tracks=[],this._file=file,this._decoder=null,this._findMoov(0)}_findMoov(offset){this._decoder&&this._decoder.destroy();let toSkip=0;this._decoder=mp4.decode();const fileStream=this._file.createReadStream({start:offset});fileStream.pipe(this._decoder);const boxHandler=headers=>{"moov"===headers.type?(this._decoder.removeListener("box",boxHandler),this._decoder.decode(moov=>{fileStream.destroy();try{this._processMoov(moov)}catch(err){err.message=`Cannot parse mp4 file: ${err.message}`,this.emit("error",err)}})):headers.length<FIND_MOOV_SEEK_SIZE?(toSkip+=headers.length,this._decoder.ignore()):(this._decoder.removeListener("box",boxHandler),toSkip+=headers.length,fileStream.destroy(),this._decoder.destroy(),this._findMoov(offset+toSkip))};this._decoder.on("box",boxHandler)}_processMoov(moov){const traks=moov.traks;this._tracks=[],this._hasVideo=!1,this._hasAudio=!1;for(let i=0;i<traks.length;i++){const trak=traks[i],stbl=trak.mdia.minf.stbl,stsdEntry=stbl.stsd.entries[0],handlerType=trak.mdia.hdlr.handlerType;let codec,mime;if("vide"===handlerType&&"avc1"===stsdEntry.type){if(this._hasVideo)continue;this._hasVideo=!0,codec="avc1",stsdEntry.avcC&&(codec+=`.${stsdEntry.avcC.mimeCodec}`),mime=`video/mp4; codecs="${codec}"`}else if("soun"===handlerType&&"mp4a"===stsdEntry.type){if(this._hasAudio)continue;this._hasAudio=!0,codec="mp4a",stsdEntry.esds&&stsdEntry.esds.mimeCodec&&(codec+=`.${stsdEntry.esds.mimeCodec}`),mime=`audio/mp4; codecs="${codec}"`}else continue;const samples=[];let sample=0,sampleInChunk=0,chunk=0,offsetInChunk=0,sampleToChunkIndex=0,dts=0;const decodingTimeEntry=new RunLengthIndex(stbl.stts.entries);let presentationOffsetEntry=null;stbl.ctts&&(presentationOffsetEntry=new RunLengthIndex(stbl.ctts.entries));for(let syncSampleIndex=0;!0;){var currChunkEntry=stbl.stsc.entries[sampleToChunkIndex];const size=stbl.stsz.entries[sample],duration=decodingTimeEntry.value.duration,presentationOffset=presentationOffsetEntry?presentationOffsetEntry.value.compositionOffset:0;let sync=!0;stbl.stss&&(sync=stbl.stss.entries[syncSampleIndex]===sample+1);const chunkOffsetTable=stbl.stco||stbl.co64;if(samples.push({size,duration,dts,presentationOffset,sync,offset:offsetInChunk+chunkOffsetTable.entries[chunk]}),sample++,sample>=stbl.stsz.entries.length)break;if(sampleInChunk++,offsetInChunk+=size,sampleInChunk>=currChunkEntry.samplesPerChunk){sampleInChunk=0,offsetInChunk=0,chunk++;const nextChunkEntry=stbl.stsc.entries[sampleToChunkIndex+1];nextChunkEntry&&chunk+1>=nextChunkEntry.firstChunk&&sampleToChunkIndex++}dts+=duration,decodingTimeEntry.inc(),presentationOffsetEntry&&presentationOffsetEntry.inc(),sync&&syncSampleIndex++}trak.mdia.mdhd.duration=0,trak.tkhd.duration=0;const defaultSampleDescriptionIndex=currChunkEntry.sampleDescriptionId,trackMoov={type:"moov",mvhd:moov.mvhd,traks:[{tkhd:trak.tkhd,mdia:{mdhd:trak.mdia.mdhd,hdlr:trak.mdia.hdlr,elng:trak.mdia.elng,minf:{vmhd:trak.mdia.minf.vmhd,smhd:trak.mdia.minf.smhd,dinf:trak.mdia.minf.dinf,stbl:{stsd:stbl.stsd,stts:empty(),ctts:empty(),stsc:empty(),stsz:empty(),stco:empty(),stss:empty()}}}}],mvex:{mehd:{fragmentDuration:moov.mvhd.duration},trexs:[{trackId:trak.tkhd.trackId,defaultSampleDescriptionIndex,defaultSampleDuration:0,defaultSampleSize:0,defaultSampleFlags:0}]}};this._tracks.push({fragmentSequence:1,trackId:trak.tkhd.trackId,timeScale:trak.mdia.mdhd.timeScale,samples,currSample:null,currTime:null,moov:trackMoov,mime})}if(0===this._tracks.length)return void this.emit("error",new Error("no playable tracks"));moov.mvhd.duration=0,this._ftyp={type:"ftyp",brand:"iso5",brandVersion:0,compatibleBrands:["iso5"]};const ftypBuf=Box.encode(this._ftyp),data=this._tracks.map(track=>{const moovBuf=Box.encode(track.moov);return{mime:track.mime,init:Buffer.concat([ftypBuf,moovBuf])}});this.emit("ready",data)}seek(time){if(!this._tracks)throw new Error("Not ready yet; wait for 'ready' event");this._fileStream&&(this._fileStream.destroy(),this._fileStream=null);let startOffset=-1;if(this._tracks.map((track,i)=>{track.outStream&&track.outStream.destroy(),track.inStream&&(track.inStream.destroy(),track.inStream=null);const outStream=track.outStream=mp4.encode(),fragment=this._generateFragment(i,time);if(!fragment)return outStream.finalize();(-1===startOffset||fragment.ranges[0].start<startOffset)&&(startOffset=fragment.ranges[0].start);const writeFragment=frag=>{outStream.destroyed||outStream.box(frag.moof,err=>{if(err)return this.emit("error",err);if(!outStream.destroyed){const slicedStream=track.inStream.slice(frag.ranges);slicedStream.pipe(outStream.mediaData(frag.length,err=>{if(err)return this.emit("error",err);if(!outStream.destroyed){const nextFrag=this._generateFragment(i);return nextFrag?void writeFragment(nextFrag):outStream.finalize()}}))}})};writeFragment(fragment)}),0<=startOffset){const fileStream=this._fileStream=this._file.createReadStream({start:startOffset});this._tracks.forEach(track=>{track.inStream=new RangeSliceStream(startOffset,{highWaterMark:1e7}),fileStream.pipe(track.inStream)})}return this._tracks.map(track=>track.outStream)}_findSampleBefore(trackInd,time){const track=this._tracks[trackInd],scaledTime=_Mathfloor(track.timeScale*time);let sample=bs(track.samples,scaledTime,(sample,t)=>{const pts=sample.dts+sample.presentationOffset;return pts-t});for(-1===sample?sample=0:0>sample&&(sample=-sample-2);!track.samples[sample].sync;)sample--;return sample}_generateFragment(track,time){const currTrack=this._tracks[track];let firstSample;if(firstSample=void 0===time?currTrack.currSample:this._findSampleBefore(track,time),firstSample>=currTrack.samples.length)return null;const startDts=currTrack.samples[firstSample].dts;let totalLen=0;const ranges=[];for(var currSample=firstSample;currSample<currTrack.samples.length;currSample++){const sample=currTrack.samples[currSample];if(sample.sync&&sample.dts-startDts>=currTrack.timeScale*MIN_FRAGMENT_DURATION)break;totalLen+=sample.size;const currRange=ranges.length-1;0>currRange||ranges[currRange].end!==sample.offset?ranges.push({start:sample.offset,end:sample.offset+sample.size}):ranges[currRange].end+=sample.size}return currTrack.currSample=currSample,{moof:this._generateMoof(track,firstSample,currSample),ranges,length:totalLen}}_generateMoof(track,firstSample,lastSample){const currTrack=this._tracks[track],entries=[];let trunVersion=0;for(let j=firstSample;j<lastSample;j++){const currSample=currTrack.samples[j];0>currSample.presentationOffset&&(trunVersion=1),entries.push({sampleDuration:currSample.duration,sampleSize:currSample.size,sampleFlags:currSample.sync?33554432:16842752,sampleCompositionTimeOffset:currSample.presentationOffset})}const moof={type:"moof",mfhd:{sequenceNumber:currTrack.fragmentSequence++},trafs:[{tfhd:{flags:131072,trackId:currTrack.trackId},tfdt:{baseMediaDecodeTime:currTrack.samples[firstSample].dts},trun:{flags:3841,dataOffset:8,entries,version:trunVersion}}]};return moof.trafs[0].trun.dataOffset+=Box.encodingLength(moof),moof}}class RunLengthIndex{constructor(entries,countName){this._entries=entries,this._countName=countName||"count",this._index=0,this._offset=0,this.value=this._entries[0]}inc(){this._offset++,this._offset>=this._entries[this._index][this._countName]&&(this._index++,this._offset=0),this.value=this._entries[this._index]}}const MIN_FRAGMENT_DURATION=1;module.exports=MP4Remuxer}).call(this)}).call(this,require("buffer").Buffer)},{"binary-search":30,buffer:75,events:122,"mp4-box-encoding":171,"mp4-stream":174,"range-slice-stream":211}],278:[function(require,module,exports){function VideoStream(file,mediaElem,opts={}){return this instanceof VideoStream?void(this.detailedError=null,this._elem=mediaElem,this._elemWrapper=new MediaElementWrapper(mediaElem),this._waitingFired=!1,this._trackMeta=null,this._file=file,this._tracks=null,"none"!==this._elem.preload&&this._createMuxer(),this._onError=()=>{this.detailedError=this._elemWrapper.detailedError,this.destroy()},this._onWaiting=()=>{this._waitingFired=!0,this._muxer?this._tracks&&this._pump():this._createMuxer()},mediaElem.autoplay&&(mediaElem.preload="auto"),mediaElem.addEventListener("waiting",this._onWaiting),mediaElem.addEventListener("error",this._onError)):(console.warn("Don't invoke VideoStream without the 'new' keyword."),new VideoStream(file,mediaElem,opts))}const MediaElementWrapper=require("mediasource"),pump=require("pump"),MP4Remuxer=require("./mp4-remuxer");VideoStream.prototype={_createMuxer(){this._muxer=new MP4Remuxer(this._file),this._muxer.on("ready",data=>{this._tracks=data.map(trackData=>{const mediaSource=this._elemWrapper.createWriteStream(trackData.mime);mediaSource.on("error",err=>{this._elemWrapper.error(err)});const track={muxed:null,mediaSource,initFlushed:!1,onInitFlushed:null};return mediaSource.write(trackData.init,err=>{track.initFlushed=!0,track.onInitFlushed&&track.onInitFlushed(err)}),track}),(this._waitingFired||"auto"===this._elem.preload)&&this._pump()}),this._muxer.on("error",err=>{this._elemWrapper.error(err)})},_pump(){const muxed=this._muxer.seek(this._elem.currentTime,!this._tracks);this._tracks.forEach((track,i)=>{const pumpTrack=()=>{track.muxed&&(track.muxed.destroy(),track.mediaSource=this._elemWrapper.createWriteStream(track.mediaSource),track.mediaSource.on("error",err=>{this._elemWrapper.error(err)})),track.muxed=muxed[i],pump(track.muxed,track.mediaSource)};track.initFlushed?pumpTrack():track.onInitFlushed=err=>err?void this._elemWrapper.error(err):void pumpTrack()})},destroy(){this.destroyed||(this.destroyed=!0,this._elem.removeEventListener("waiting",this._onWaiting),this._elem.removeEventListener("error",this._onError),this._tracks&&this._tracks.forEach(track=>{track.muxed&&track.muxed.destroy()}),this._elem.src="")}},module.exports=VideoStream},{"./mp4-remuxer":277,mediasource:159,pump:200}],279:[function(require,module,exports){function wrappy(fn,cb){function wrapper(){for(var args=Array(arguments.length),i=0;i<args.length;i++)args[i]=arguments[i];var ret=fn.apply(this,args),cb=args[args.length-1];return"function"==typeof ret&&ret!==cb&&Object.keys(cb).forEach(function(k){ret[k]=cb[k]}),ret}if(fn&&cb)return wrappy(fn)(cb);if("function"!=typeof fn)throw new TypeError("need wrapper function");return Object.keys(fn).forEach(function(k){wrapper[k]=fn[k]}),wrapper}module.exports=wrappy},{}],280:[function(require,module,exports){function extend(){for(var target={},i=0,source;i<arguments.length;i++)for(var key in source=arguments[i],source)hasOwnProperty.call(source,key)&&(target[key]=source[key]);return target}module.exports=extend;var hasOwnProperty=Object.prototype.hasOwnProperty},{}],281:[function(require,module,exports){module.exports={version:"1.8.29"}},{}],282:[function(require,module,exports){(function(Buffer){(function(){function isReadable(obj){return"object"==typeof obj&&null!=obj&&"function"==typeof obj.pipe}function isFileList(obj){return"undefined"!=typeof FileList&&obj instanceof FileList}/*! webtorrent. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const EventEmitter=require("events"),path=require("path"),concat=require("simple-concat"),createTorrent=require("create-torrent"),debugFactory=require("debug"),DHT=require("bittorrent-dht/client"),loadIPSet=require("load-ip-set"),parallel=require("run-parallel"),parseTorrent=require("parse-torrent"),Peer=require("simple-peer"),queueMicrotask=require("queue-microtask"),randombytes=require("randombytes"),sha1=require("simple-sha1"),throughput=require("throughput"),{ThrottleGroup}=require("speed-limiter"),ConnPool=require("./lib/conn-pool.js"),Torrent=require("./lib/torrent.js"),{version:VERSION}=require("./package.json"),debug=debugFactory("webtorrent"),VERSION_STR=VERSION.replace(/\d*./g,v=>`0${v%100}`.slice(-2)).slice(0,4),VERSION_PREFIX=`-WW${VERSION_STR}-`;class WebTorrent extends EventEmitter{constructor(opts={}){super(),this.peerId="string"==typeof opts.peerId?opts.peerId:Buffer.isBuffer(opts.peerId)?opts.peerId.toString("hex"):Buffer.from(VERSION_PREFIX+randombytes(9).toString("base64")).toString("hex"),this.peerIdBuffer=Buffer.from(this.peerId,"hex"),this.nodeId="string"==typeof opts.nodeId?opts.nodeId:Buffer.isBuffer(opts.nodeId)?opts.nodeId.toString("hex"):randombytes(20).toString("hex"),this.nodeIdBuffer=Buffer.from(this.nodeId,"hex"),this._debugId=this.peerId.toString("hex").substring(0,7),this.destroyed=!1,this.listening=!1,this.torrentPort=opts.torrentPort||0,this.dhtPort=opts.dhtPort||0,this.tracker=opts.tracker===void 0?{}:opts.tracker,this.lsd=!1!==opts.lsd,this.torrents=[],this.maxConns=+opts.maxConns||55,this.utp=WebTorrent.UTP_SUPPORT&&!1!==opts.utp,this._downloadLimit=_Mathmax("number"==typeof opts.downloadLimit?opts.downloadLimit:-1,-1),this._uploadLimit=_Mathmax("number"==typeof opts.uploadLimit?opts.uploadLimit:-1,-1),this.serviceWorker=null,this.workerKeepAliveInterval=null,this.workerPortCount=0,!0===opts.secure&&require("./lib/peer").enableSecure(),this._debug("new webtorrent (peerId %s, nodeId %s, port %s)",this.peerId,this.nodeId,this.torrentPort),this.throttleGroups={down:new ThrottleGroup({rate:_Mathmax(this._downloadLimit,0),enabled:0<=this._downloadLimit}),up:new ThrottleGroup({rate:_Mathmax(this._uploadLimit,0),enabled:0<=this._uploadLimit})},this.tracker&&("object"!=typeof this.tracker&&(this.tracker={}),globalThis.WRTC&&!this.tracker.wrtc&&(this.tracker.wrtc=globalThis.WRTC)),"function"==typeof ConnPool?this._connPool=new ConnPool(this):queueMicrotask(()=>{this._onListening()}),this._downloadSpeed=throughput(),this._uploadSpeed=throughput(),!1!==opts.dht&&"function"==typeof DHT?(this.dht=new DHT(Object.assign({},{nodeId:this.nodeId},opts.dht)),this.dht.once("error",err=>{this._destroy(err)}),this.dht.once("listening",()=>{const address=this.dht.address();address&&(this.dhtPort=address.port)}),this.dht.setMaxListeners(0),this.dht.listen(this.dhtPort)):this.dht=!1,this.enableWebSeeds=!1!==opts.webSeeds;const ready=()=>{this.destroyed||(this.ready=!0,this.emit("ready"))};"function"==typeof loadIPSet&&null!=opts.blocklist?loadIPSet(opts.blocklist,{headers:{"user-agent":`WebTorrent/${VERSION} (https://webtorrent.io)`}},(err,ipSet)=>err?console.error(`Failed to load blocklist: ${err.message}`):void(this.blocked=ipSet,ready())):queueMicrotask(ready)}loadWorker(controller,cb=()=>{}){if(!(controller instanceof ServiceWorker))throw new Error("Invalid worker registration");if("activated"!==controller.state)throw new Error("Worker isn't activated");const keepAliveTime=2e4;this.serviceWorker=controller,navigator.serviceWorker.addEventListener("message",event=>{const{data}=event;if(!data.type||"webtorrent"===!data.type||!data.url)return null;let[infoHash,...filePath]=data.url.slice(data.url.indexOf(data.scope+"webtorrent/")+11+data.scope.length).split("/");if(filePath=decodeURI(filePath.join("/")),!infoHash||!filePath)return null;const[port]=event.ports,file=this.get(infoHash)&&this.get(infoHash).files.find(file=>file.path===filePath);if(!file)return null;const[response,stream,raw]=file._serve(data),asyncIterator=stream&&stream[Symbol.asyncIterator](),cleanup=()=>{port.onmessage=null,stream&&stream.destroy(),raw&&raw.destroy(),this.workerPortCount--,this.workerPortCount||(clearInterval(this.workerKeepAliveInterval),this.workerKeepAliveInterval=null)};port.onmessage=async msg=>{if(msg.data){let chunk;try{chunk=(await asyncIterator.next()).value}catch(e){}port.postMessage(chunk),chunk||cleanup(),this.workerKeepAliveInterval||(this.workerKeepAliveInterval=setInterval(()=>fetch(`${this.serviceWorker.scriptURL.slice(0,this.serviceWorker.scriptURL.lastIndexOf("/")+1).slice(window.location.origin.length)}webtorrent/keepalive/`),keepAliveTime))}else cleanup()},this.workerPortCount++,port.postMessage(response)}),fetch(`${this.serviceWorker.scriptURL.slice(0,this.serviceWorker.scriptURL.lastIndexOf("/")+1).slice(window.location.origin.length)}webtorrent/cancel/`).then(res=>{res.body.cancel()}),cb(null,this.serviceWorker)}get downloadSpeed(){return this._downloadSpeed()}get uploadSpeed(){return this._uploadSpeed()}get progress(){const torrents=this.torrents.filter(torrent=>1!==torrent.progress),downloaded=torrents.reduce((total,torrent)=>total+torrent.downloaded,0),length=torrents.reduce((total,torrent)=>total+(torrent.length||0),0)||1;return downloaded/length}get ratio(){const uploaded=this.torrents.reduce((total,torrent)=>total+torrent.uploaded,0),received=this.torrents.reduce((total,torrent)=>total+torrent.received,0)||1;return uploaded/received}get(torrentId){if(!(torrentId instanceof Torrent)){let parsed;try{parsed=parseTorrent(torrentId)}catch(err){}if(!parsed)return null;if(!parsed.infoHash)throw new Error("Invalid torrent identifier");for(const torrent of this.torrents)if(torrent.infoHash===parsed.infoHash)return torrent}else if(this.torrents.includes(torrentId))return torrentId;return null}add(torrentId,opts={},ontorrent=()=>{}){function onClose(){torrent.removeListener("_infoHash",onInfoHash),torrent.removeListener("ready",onReady),torrent.removeListener("close",onClose)}if(this.destroyed)throw new Error("client is destroyed");"function"==typeof opts&&([opts,ontorrent]=[{},opts]);const onInfoHash=()=>{if(!this.destroyed)for(const t of this.torrents)if(t.infoHash===torrent.infoHash&&t!==torrent)return torrent._destroy(new Error(`Cannot add duplicate torrent ${torrent.infoHash}`)),void ontorrent(t)},onReady=()=>{this.destroyed||(ontorrent(torrent),this.emit("torrent",torrent))};this._debug("add"),opts=opts?Object.assign({},opts):{};const torrent=new Torrent(torrentId,this,opts);return this.torrents.push(torrent),torrent.once("_infoHash",onInfoHash),torrent.once("ready",onReady),torrent.once("close",onClose),torrent}seed(input,opts,onseed){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof opts&&([opts,onseed]=[{},opts]),this._debug("seed"),opts=opts?Object.assign({},opts):{},opts.skipVerify=!0;const isFilePath="string"==typeof input;isFilePath&&(opts.path=path.dirname(input)),opts.createdBy||(opts.createdBy=`WebTorrent/${VERSION_STR}`);const onTorrent=torrent=>{const tasks=[cb=>isFilePath||opts.preloadedStore?cb():void torrent.load(streams,cb)];this.dht&&tasks.push(cb=>{torrent.once("dhtAnnounce",cb)}),parallel(tasks,err=>this.destroyed?void 0:err?torrent._destroy(err):void _onseed(torrent))},_onseed=torrent=>{this._debug("on seed"),"function"==typeof onseed&&onseed(torrent),torrent.emit("seed"),this.emit("seed",torrent)},torrent=this.add(null,opts,onTorrent);let streams;return isFileList(input)?input=Array.from(input):!Array.isArray(input)&&(input=[input]),parallel(input.map(item=>cb=>{!opts.preloadedStore&&isReadable(item)?concat(item,(err,buf)=>err?cb(err):void(buf.name=item.name,cb(null,buf))):cb(null,item)}),(err,input)=>this.destroyed?void 0:err?torrent._destroy(err):void createTorrent.parseInput(input,opts,(err,files)=>this.destroyed?void 0:err?torrent._destroy(err):void(streams=files.map(file=>file.getStream),createTorrent(input,opts,(err,torrentBuf)=>{if(!this.destroyed){if(err)return torrent._destroy(err);const existingTorrent=this.get(torrentBuf);existingTorrent?(console.warn("A torrent with the same id is already being seeded"),torrent._destroy(),"function"==typeof onseed&&onseed(existingTorrent)):torrent._onTorrentId(torrentBuf)}})))),torrent}remove(torrentId,opts,cb){if("function"==typeof opts)return this.remove(torrentId,null,opts);this._debug("remove");const torrent=this.get(torrentId);if(!torrent)throw new Error(`No torrent with id ${torrentId}`);this._remove(torrentId,opts,cb)}_remove(torrentId,opts,cb){if("function"==typeof opts)return this._remove(torrentId,null,opts);const torrent=this.get(torrentId);torrent&&(this.torrents.splice(this.torrents.indexOf(torrent),1),torrent.destroy(opts,cb),this.dht&&this.dht._tables.remove(torrent.infoHash))}address(){return this.listening?this._connPool?this._connPool.tcpServer.address():{address:"0.0.0.0",family:"IPv4",port:0}:null}throttleDownload(rate){return(rate=+rate,!(isNaN(rate)||!isFinite(rate)||-1>rate))&&(this._downloadLimit=rate,0>this._downloadLimit?this.throttleGroups.down.setEnabled(!1):void(this.throttleGroups.down.setEnabled(!0),this.throttleGroups.down.setRate(this._downloadLimit)))}throttleUpload(rate){return(rate=+rate,!(isNaN(rate)||!isFinite(rate)||-1>rate))&&(this._uploadLimit=rate,0>this._uploadLimit?this.throttleGroups.up.setEnabled(!1):void(this.throttleGroups.up.setEnabled(!0),this.throttleGroups.up.setRate(this._uploadLimit)))}destroy(cb){if(this.destroyed)throw new Error("client already destroyed");this._destroy(null,cb)}_destroy(err,cb){this._debug("client destroy"),this.destroyed=!0;const tasks=this.torrents.map(torrent=>cb=>{torrent.destroy(cb)});this._connPool&&tasks.push(cb=>{this._connPool.destroy(cb)}),this.dht&&tasks.push(cb=>{this.dht.destroy(cb)}),parallel(tasks,cb),err&&this.emit("error",err),this.torrents=[],this._connPool=null,this.dht=null,this.throttleGroups.down.destroy(),this.throttleGroups.up.destroy()}_onListening(){if(this._debug("listening"),this.listening=!0,this._connPool){const address=this._connPool.tcpServer.address();address&&(this.torrentPort=address.port)}this.emit("listening")}_debug(){const args=[].slice.call(arguments);args[0]=`[${this._debugId}] ${args[0]}`,debug(...args)}_getByHash(infoHashHash){for(const torrent of this.torrents)if(torrent.infoHashHash||(torrent.infoHashHash=sha1.sync(Buffer.from("72657132"+torrent.infoHash,"hex"))),infoHashHash===torrent.infoHashHash)return torrent;return null}}WebTorrent.WEBRTC_SUPPORT=Peer.WEBRTC_SUPPORT,WebTorrent.UTP_SUPPORT=ConnPool.UTP_SUPPORT,WebTorrent.VERSION=VERSION,module.exports=WebTorrent}).call(this)}).call(this,require("buffer").Buffer)},{"./lib/conn-pool.js":41,"./lib/peer":3,"./lib/torrent.js":5,"./package.json":281,"bittorrent-dht/client":41,buffer:75,"create-torrent":88,debug:90,events:122,"load-ip-set":41,"parse-torrent":183,path:184,"queue-microtask":205,randombytes:208,"run-parallel":232,"simple-concat":244,"simple-peer":246,"simple-sha1":247,"speed-limiter":250,throughput:267}]},{},[282])(282)});
\ No newline at end of file + */"use strict";function rangeParser(size,str,options){if("string"!=typeof str)throw new TypeError("argument str must be a string");var index=str.indexOf("=");if(-1===index)return-2;var arr=str.slice(index+1).split(","),ranges=[];ranges.type=str.slice(0,index);for(var i=0;i<arr.length;i++){var range=arr[i].split("-"),start=parseInt(range[0],10),end=parseInt(range[1],10);(isNaN(start)?(start=size-end,end=size-1):isNaN(end)&&(end=size-1),end>size-1&&(end=size-1),!(isNaN(start)||isNaN(end)||start>end||0>start))&&ranges.push({start:start,end:end})}return 1>ranges.length?-1:options&&options.combine?combineRanges(ranges):ranges}function combineRanges(ranges){for(var ordered=ranges.map(mapWithIndex).sort(sortByRangeStart),j=0,i=1;i<ordered.length;i++){var range=ordered[i],current=ordered[j];range.start>current.end+1?ordered[++j]=range:range.end>current.end&&(current.end=range.end,current.index=_Mathmin(current.index,range.index))}ordered.length=j+1;var combined=ordered.sort(sortByRangeIndex).map(mapWithoutIndex);return combined.type=ranges.type,combined}function mapWithIndex(range,index){return{start:range.start,end:range.end,index:index}}function mapWithoutIndex(range){return{start:range.start,end:range.end}}function sortByRangeIndex(a,b){return a.index-b.index}function sortByRangeStart(a,b){return a.start-b.start}module.exports=rangeParser},{}],211:[function(require,module,exports){const{Writable,PassThrough}=require("readable-stream");class RangeSliceStream extends Writable{constructor(offset,opts={}){super(opts),this.destroyed=!1,this._queue=[],this._position=offset||0,this._cb=null,this._buffer=null,this._out=null}_write(chunk,encoding,cb){let drained=!0;for(;!0;){if(this.destroyed)return;if(0===this._queue.length)return this._buffer=chunk,void(this._cb=cb);this._buffer=null;var currRange=this._queue[0];const writeStart=_Mathmax(currRange.start-this._position,0),writeEnd=currRange.end-this._position;if(writeStart>=chunk.length)return this._position+=chunk.length,cb(null);let toWrite;if(writeEnd>chunk.length){this._position+=chunk.length,toWrite=0===writeStart?chunk:chunk.slice(writeStart),drained=currRange.stream.write(toWrite)&&drained;break}this._position+=writeEnd,toWrite=0===writeStart&&writeEnd===chunk.length?chunk:chunk.slice(writeStart,writeEnd),drained=currRange.stream.write(toWrite)&&drained,currRange.last&&currRange.stream.end(),chunk=chunk.slice(writeEnd),this._queue.shift()}drained?cb(null):currRange.stream.once("drain",cb.bind(null,null))}slice(ranges){if(this.destroyed)return null;Array.isArray(ranges)||(ranges=[ranges]);const str=new PassThrough;return ranges.forEach((range,i)=>{this._queue.push({start:range.start,end:range.end,stream:str,last:i===ranges.length-1})}),this._buffer&&this._write(this._buffer,null,this._cb),str}destroy(err){this.destroyed||(this.destroyed=!0,err&&this.emit("error",err))}}module.exports=RangeSliceStream},{"readable-stream":227}],212:[function(require,module,exports){"use strict";function isInteger(n){return parseInt(n,10)===n}function createRC4(N){function identityPermutation(){for(var s=Array(N),i=0;i<N;i++)s[i]=i;return s}function seed(key){if(void 0===key){key=Array(N);for(var k=0;k<N;k++)key[k]=_Mathfloor(Math.random()*N)}else if("string"==typeof key)key=""+key,key=key.split("").map(function(c){return c.charCodeAt(0)%N});else if(!Array.isArray(key))throw new TypeError("invalid seed key specified");else if(!key.every(function(v){return"number"==typeof v&&v===(0|v)}))throw new TypeError("invalid seed key specified: not array of integers");for(var keylen=key.length,s=identityPermutation(),j=0,i=0;i<N;i++){j=(j+s[i]+key[i%keylen])%N;var tmp=s[i];s[i]=s[j],s[j]=tmp}return s}function RC4(key){this.s=seed(key),this.i=0,this.j=0}return RC4.prototype.randomNative=function(){this.i=(this.i+1)%N,this.j=(this.j+this.s[this.i])%N;var tmp=this.s[this.i];this.s[this.i]=this.s[this.j],this.s[this.j]=tmp;var k=this.s[(this.s[this.i]+this.s[this.j])%N];return k},RC4.prototype.randomUInt32=function(){var a=this.randomByte(),b=this.randomByte(),c=this.randomByte(),d=this.randomByte();return 256*(256*(256*a+b)+c)+d},RC4.prototype.randomFloat=function(){return this.randomUInt32()/4294967296},RC4.prototype.random=function(){var a,b;if(1===arguments.length)a=0,b=arguments[0];else if(2===arguments.length)a=arguments[0],b=arguments[1];else throw new TypeError("random takes one or two integer arguments");if(!isInteger(a)||!isInteger(b))throw new TypeError("random takes one or two integer arguments");return a+this.randomUInt32()%(b-a+1)},RC4.prototype.currentState=function(){return{i:this.i,j:this.j,s:this.s.slice()}},RC4.prototype.setState=function(state){var s=state.s,i=state.i,j=state.j;if(!(i===(0|i)&&0<=i&&i<N))throw new Error("state.i should be integer [0, "+(N-1)+"]");if(!(j===(0|j)&&0<=j&&j<N))throw new Error("state.j should be integer [0, "+(N-1)+"]");if(!Array.isArray(s)||s.length!==N)throw new Error("state should be array of length "+N);for(var k=0;k<N;k++)if(-1===s.indexOf(k))throw new Error("state should be permutation of 0.."+(N-1)+": "+k+" is missing");this.i=i,this.j=j,this.s=s.slice()},RC4}function toHex(n){return 10>n?_StringfromCharCode(48+n):_StringfromCharCode(97+n-10)}function fromHex(c){return parseInt(c,16)}var RC4=createRC4(256);RC4.prototype.randomByte=RC4.prototype.randomNative;var RC4small=createRC4(16);RC4small.prototype.randomByte=function(){var a=this.randomNative(),b=this.randomNative();return 16*a+b};var ordA=97,ord0=48;RC4small.prototype.currentStateString=function(){var state=this.currentState(),i=toHex(state.i),j=toHex(state.j),res=i+j+state.s.map(toHex).join("");return res},RC4small.prototype.setStateString=function(stateString){if(!stateString.match(/^[0-9a-f]{18}$/))throw new TypeError("RC4small stateString should be 18 hex character string");var i=fromHex(stateString[0]),j=fromHex(stateString[1]),s=stateString.split("").slice(2).map(fromHex);this.setState({i:i,j:j,s:s})},RC4.RC4small=RC4small,module.exports=RC4},{}],213:[function(require,module,exports){"use strict";function _inheritsLoose(subClass,superClass){subClass.prototype=Object.create(superClass.prototype),subClass.prototype.constructor=subClass,subClass.__proto__=superClass}function createErrorType(code,message,Base){function getMessage(arg1,arg2,arg3){return"string"==typeof message?message:message(arg1,arg2,arg3)}Base||(Base=Error);var NodeError=function(_Base){function NodeError(arg1,arg2,arg3){return _Base.call(this,getMessage(arg1,arg2,arg3))||this}return _inheritsLoose(NodeError,_Base),NodeError}(Base);NodeError.prototype.name=Base.name,NodeError.prototype.code=code,codes[code]=NodeError}function oneOf(expected,thing){if(Array.isArray(expected)){var len=expected.length;return expected=expected.map(function(i){return i+""}),2<len?"one of ".concat(thing," ").concat(expected.slice(0,len-1).join(", "),", or ")+expected[len-1]:2===len?"one of ".concat(thing," ").concat(expected[0]," or ").concat(expected[1]):"of ".concat(thing," ").concat(expected[0])}return"of ".concat(thing," ").concat(expected+"")}function startsWith(str,search,pos){return str.substr(!pos||0>pos?0:+pos,search.length)===search}function endsWith(str,search,this_len){return(void 0===this_len||this_len>str.length)&&(this_len=str.length),str.substring(this_len-search.length,this_len)===search}function includes(str,search,start){return"number"!=typeof start&&(start=0),!(start+search.length>str.length)&&-1!==str.indexOf(search,start)}var codes={};createErrorType("ERR_INVALID_OPT_VALUE",function(name,value){return"The value \""+value+"\" is invalid for option \""+name+"\""},TypeError),createErrorType("ERR_INVALID_ARG_TYPE",function(name,expected,actual){var determiner;"string"==typeof expected&&startsWith(expected,"not ")?(determiner="must not be",expected=expected.replace(/^not /,"")):determiner="must be";var msg;if(endsWith(name," argument"))msg="The ".concat(name," ").concat(determiner," ").concat(oneOf(expected,"type"));else{var type=includes(name,".")?"property":"argument";msg="The \"".concat(name,"\" ").concat(type," ").concat(determiner," ").concat(oneOf(expected,"type"))}return msg+=". Received type ".concat(typeof actual),msg},TypeError),createErrorType("ERR_STREAM_PUSH_AFTER_EOF","stream.push() after EOF"),createErrorType("ERR_METHOD_NOT_IMPLEMENTED",function(name){return"The "+name+" method is not implemented"}),createErrorType("ERR_STREAM_PREMATURE_CLOSE","Premature close"),createErrorType("ERR_STREAM_DESTROYED",function(name){return"Cannot call "+name+" after a stream was destroyed"}),createErrorType("ERR_MULTIPLE_CALLBACK","Callback called multiple times"),createErrorType("ERR_STREAM_CANNOT_PIPE","Cannot pipe, not readable"),createErrorType("ERR_STREAM_WRITE_AFTER_END","write after end"),createErrorType("ERR_STREAM_NULL_VALUES","May not write null values to stream",TypeError),createErrorType("ERR_UNKNOWN_ENCODING",function(arg){return"Unknown encoding: "+arg},TypeError),createErrorType("ERR_STREAM_UNSHIFT_AFTER_END_EVENT","stream.unshift() after end event"),module.exports.codes=codes},{}],214:[function(require,module,exports){(function(process){(function(){"use strict";function Duplex(options){return this instanceof Duplex?void(Readable.call(this,options),Writable.call(this,options),this.allowHalfOpen=!0,options&&(!1===options.readable&&(this.readable=!1),!1===options.writable&&(this.writable=!1),!1===options.allowHalfOpen&&(this.allowHalfOpen=!1,this.once("end",onend)))):new Duplex(options)}function onend(){this._writableState.ended||process.nextTick(onEndNT,this)}function onEndNT(self){self.end()}var objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj)keys.push(key);return keys};module.exports=Duplex;var Readable=require("./_stream_readable"),Writable=require("./_stream_writable");require("inherits")(Duplex,Readable);for(var keys=objectKeys(Writable.prototype),v=0,method;v<keys.length;v++)method=keys[v],Duplex.prototype[method]||(Duplex.prototype[method]=Writable.prototype[method]);Object.defineProperty(Duplex.prototype,"writableHighWaterMark",{enumerable:!1,get:function get(){return this._writableState.highWaterMark}}),Object.defineProperty(Duplex.prototype,"writableBuffer",{enumerable:!1,get:function get(){return this._writableState&&this._writableState.getBuffer()}}),Object.defineProperty(Duplex.prototype,"writableLength",{enumerable:!1,get:function get(){return this._writableState.length}}),Object.defineProperty(Duplex.prototype,"destroyed",{enumerable:!1,get:function get(){return void 0!==this._readableState&&void 0!==this._writableState&&this._readableState.destroyed&&this._writableState.destroyed},set:function set(value){void 0===this._readableState||void 0===this._writableState||(this._readableState.destroyed=value,this._writableState.destroyed=value)}})}).call(this)}).call(this,require("_process"))},{"./_stream_readable":216,"./_stream_writable":218,_process:192,inherits:146}],215:[function(require,module,exports){"use strict";function PassThrough(options){return this instanceof PassThrough?void Transform.call(this,options):new PassThrough(options)}module.exports=PassThrough;var Transform=require("./_stream_transform");require("inherits")(PassThrough,Transform),PassThrough.prototype._transform=function(chunk,encoding,cb){cb(null,chunk)}},{"./_stream_transform":217,inherits:146}],216:[function(require,module,exports){(function(process,global){(function(){"use strict";function _uint8ArrayToBuffer(chunk){return Buffer.from(chunk)}function _isUint8Array(obj){return Buffer.isBuffer(obj)||obj instanceof OurUint8Array}function prependListener(emitter,event,fn){return"function"==typeof emitter.prependListener?emitter.prependListener(event,fn):void(emitter._events&&emitter._events[event]?Array.isArray(emitter._events[event])?emitter._events[event].unshift(fn):emitter._events[event]=[fn,emitter._events[event]]:emitter.on(event,fn))}function ReadableState(options,stream,isDuplex){Duplex=Duplex||require("./_stream_duplex"),options=options||{},"boolean"!=typeof isDuplex&&(isDuplex=stream instanceof Duplex),this.objectMode=!!options.objectMode,isDuplex&&(this.objectMode=this.objectMode||!!options.readableObjectMode),this.highWaterMark=getHighWaterMark(this,options,"readableHighWaterMark",isDuplex),this.buffer=new BufferList,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.paused=!0,this.emitClose=!1!==options.emitClose,this.autoDestroy=!!options.autoDestroy,this.destroyed=!1,this.defaultEncoding=options.defaultEncoding||"utf8",this.awaitDrain=0,this.readingMore=!1,this.decoder=null,this.encoding=null,options.encoding&&(!StringDecoder&&(StringDecoder=require("string_decoder/").StringDecoder),this.decoder=new StringDecoder(options.encoding),this.encoding=options.encoding)}function Readable(options){if(Duplex=Duplex||require("./_stream_duplex"),!(this instanceof Readable))return new Readable(options);var isDuplex=this instanceof Duplex;this._readableState=new ReadableState(options,this,isDuplex),this.readable=!0,options&&("function"==typeof options.read&&(this._read=options.read),"function"==typeof options.destroy&&(this._destroy=options.destroy)),Stream.call(this)}function readableAddChunk(stream,chunk,encoding,addToFront,skipChunkCheck){debug("readableAddChunk",chunk);var state=stream._readableState;if(null===chunk)state.reading=!1,onEofChunk(stream,state);else{var er;if(skipChunkCheck||(er=chunkInvalid(state,chunk)),er)errorOrDestroy(stream,er);else if(!(state.objectMode||chunk&&0<chunk.length))addToFront||(state.reading=!1,maybeReadMore(stream,state));else if("string"==typeof chunk||state.objectMode||Object.getPrototypeOf(chunk)===Buffer.prototype||(chunk=_uint8ArrayToBuffer(chunk)),addToFront)state.endEmitted?errorOrDestroy(stream,new ERR_STREAM_UNSHIFT_AFTER_END_EVENT):addChunk(stream,state,chunk,!0);else if(state.ended)errorOrDestroy(stream,new ERR_STREAM_PUSH_AFTER_EOF);else{if(state.destroyed)return!1;state.reading=!1,state.decoder&&!encoding?(chunk=state.decoder.write(chunk),state.objectMode||0!==chunk.length?addChunk(stream,state,chunk,!1):maybeReadMore(stream,state)):addChunk(stream,state,chunk,!1)}}return!state.ended&&(state.length<state.highWaterMark||0===state.length)}function addChunk(stream,state,chunk,addToFront){state.flowing&&0===state.length&&!state.sync?(state.awaitDrain=0,stream.emit("data",chunk)):(state.length+=state.objectMode?1:chunk.length,addToFront?state.buffer.unshift(chunk):state.buffer.push(chunk),state.needReadable&&emitReadable(stream)),maybeReadMore(stream,state)}function chunkInvalid(state,chunk){var er;return _isUint8Array(chunk)||"string"==typeof chunk||void 0===chunk||state.objectMode||(er=new ERR_INVALID_ARG_TYPE("chunk",["string","Buffer","Uint8Array"],chunk)),er}function computeNewHighWaterMark(n){return 1073741824<=n?n=1073741824:(n--,n|=n>>>1,n|=n>>>2,n|=n>>>4,n|=n>>>8,n|=n>>>16,n++),n}function howMuchToRead(n,state){return 0>=n||0===state.length&&state.ended?0:state.objectMode?1:n===n?(n>state.highWaterMark&&(state.highWaterMark=computeNewHighWaterMark(n)),n<=state.length?n:state.ended?state.length:(state.needReadable=!0,0)):state.flowing&&state.length?state.buffer.head.data.length:state.length}function onEofChunk(stream,state){if(debug("onEofChunk"),!state.ended){if(state.decoder){var chunk=state.decoder.end();chunk&&chunk.length&&(state.buffer.push(chunk),state.length+=state.objectMode?1:chunk.length)}state.ended=!0,state.sync?emitReadable(stream):(state.needReadable=!1,!state.emittedReadable&&(state.emittedReadable=!0,emitReadable_(stream)))}}function emitReadable(stream){var state=stream._readableState;debug("emitReadable",state.needReadable,state.emittedReadable),state.needReadable=!1,state.emittedReadable||(debug("emitReadable",state.flowing),state.emittedReadable=!0,process.nextTick(emitReadable_,stream))}function emitReadable_(stream){var state=stream._readableState;debug("emitReadable_",state.destroyed,state.length,state.ended),!state.destroyed&&(state.length||state.ended)&&(stream.emit("readable"),state.emittedReadable=!1),state.needReadable=!state.flowing&&!state.ended&&state.length<=state.highWaterMark,flow(stream)}function maybeReadMore(stream,state){state.readingMore||(state.readingMore=!0,process.nextTick(maybeReadMore_,stream,state))}function maybeReadMore_(stream,state){for(;!state.reading&&!state.ended&&(state.length<state.highWaterMark||state.flowing&&0===state.length);){var len=state.length;if(debug("maybeReadMore read 0"),stream.read(0),len===state.length)break}state.readingMore=!1}function pipeOnDrain(src){return function pipeOnDrainFunctionResult(){var state=src._readableState;debug("pipeOnDrain",state.awaitDrain),state.awaitDrain&&state.awaitDrain--,0===state.awaitDrain&&EElistenerCount(src,"data")&&(state.flowing=!0,flow(src))}}function updateReadableListening(self){var state=self._readableState;state.readableListening=0<self.listenerCount("readable"),state.resumeScheduled&&!state.paused?state.flowing=!0:0<self.listenerCount("data")&&self.resume()}function nReadingNextTick(self){debug("readable nexttick read 0"),self.read(0)}function resume(stream,state){state.resumeScheduled||(state.resumeScheduled=!0,process.nextTick(resume_,stream,state))}function resume_(stream,state){debug("resume",state.reading),state.reading||stream.read(0),state.resumeScheduled=!1,stream.emit("resume"),flow(stream),state.flowing&&!state.reading&&stream.read(0)}function flow(stream){var state=stream._readableState;for(debug("flow",state.flowing);state.flowing&&null!==stream.read(););}function fromList(n,state){if(0===state.length)return null;var ret;return state.objectMode?ret=state.buffer.shift():!n||n>=state.length?(ret=state.decoder?state.buffer.join(""):1===state.buffer.length?state.buffer.first():state.buffer.concat(state.length),state.buffer.clear()):ret=state.buffer.consume(n,state.decoder),ret}function endReadable(stream){var state=stream._readableState;debug("endReadable",state.endEmitted),state.endEmitted||(state.ended=!0,process.nextTick(endReadableNT,state,stream))}function endReadableNT(state,stream){if(debug("endReadableNT",state.endEmitted,state.length),!state.endEmitted&&0===state.length&&(state.endEmitted=!0,stream.readable=!1,stream.emit("end"),state.autoDestroy)){var wState=stream._writableState;(!wState||wState.autoDestroy&&wState.finished)&&stream.destroy()}}function indexOf(xs,x){for(var i=0,l=xs.length;i<l;i++)if(xs[i]===x)return i;return-1}module.exports=Readable;var Duplex;Readable.ReadableState=ReadableState;var EE=require("events").EventEmitter,EElistenerCount=function EElistenerCount(emitter,type){return emitter.listeners(type).length},Stream=require("./internal/streams/stream"),Buffer=require("buffer").Buffer,OurUint8Array=global.Uint8Array||function(){},debugUtil=require("util"),debug;debug=debugUtil&&debugUtil.debuglog?debugUtil.debuglog("stream"):function debug(){};var BufferList=require("./internal/streams/buffer_list"),destroyImpl=require("./internal/streams/destroy"),_require=require("./internal/streams/state"),getHighWaterMark=_require.getHighWaterMark,_require$codes=require("../errors").codes,ERR_INVALID_ARG_TYPE=_require$codes.ERR_INVALID_ARG_TYPE,ERR_STREAM_PUSH_AFTER_EOF=_require$codes.ERR_STREAM_PUSH_AFTER_EOF,ERR_METHOD_NOT_IMPLEMENTED=_require$codes.ERR_METHOD_NOT_IMPLEMENTED,ERR_STREAM_UNSHIFT_AFTER_END_EVENT=_require$codes.ERR_STREAM_UNSHIFT_AFTER_END_EVENT,StringDecoder,createReadableStreamAsyncIterator,from;require("inherits")(Readable,Stream);var errorOrDestroy=destroyImpl.errorOrDestroy,kProxyEvents=["error","close","destroy","pause","resume"];Object.defineProperty(Readable.prototype,"destroyed",{enumerable:!1,get:function get(){return void 0!==this._readableState&&this._readableState.destroyed},set:function set(value){this._readableState&&(this._readableState.destroyed=value)}}),Readable.prototype.destroy=destroyImpl.destroy,Readable.prototype._undestroy=destroyImpl.undestroy,Readable.prototype._destroy=function(err,cb){cb(err)},Readable.prototype.push=function(chunk,encoding){var state=this._readableState,skipChunkCheck;return state.objectMode?skipChunkCheck=!0:"string"==typeof chunk&&(encoding=encoding||state.defaultEncoding,encoding!==state.encoding&&(chunk=Buffer.from(chunk,encoding),encoding=""),skipChunkCheck=!0),readableAddChunk(this,chunk,encoding,!1,skipChunkCheck)},Readable.prototype.unshift=function(chunk){return readableAddChunk(this,chunk,null,!0,!1)},Readable.prototype.isPaused=function(){return!1===this._readableState.flowing},Readable.prototype.setEncoding=function(enc){StringDecoder||(StringDecoder=require("string_decoder/").StringDecoder);var decoder=new StringDecoder(enc);this._readableState.decoder=decoder,this._readableState.encoding=this._readableState.decoder.encoding;for(var p=this._readableState.buffer.head,content="";null!==p;)content+=decoder.write(p.data),p=p.next;return this._readableState.buffer.clear(),""!==content&&this._readableState.buffer.push(content),this._readableState.length=content.length,this};var MAX_HWM=1073741824;Readable.prototype.read=function(n){debug("read",n),n=parseInt(n,10);var state=this._readableState,nOrig=n;if(0!==n&&(state.emittedReadable=!1),0===n&&state.needReadable&&((0===state.highWaterMark?0<state.length:state.length>=state.highWaterMark)||state.ended))return debug("read: emitReadable",state.length,state.ended),0===state.length&&state.ended?endReadable(this):emitReadable(this),null;if(n=howMuchToRead(n,state),0===n&&state.ended)return 0===state.length&&endReadable(this),null;var doRead=state.needReadable;debug("need readable",doRead),(0===state.length||state.length-n<state.highWaterMark)&&(doRead=!0,debug("length less than watermark",doRead)),state.ended||state.reading?(doRead=!1,debug("reading or ended",doRead)):doRead&&(debug("do read"),state.reading=!0,state.sync=!0,0===state.length&&(state.needReadable=!0),this._read(state.highWaterMark),state.sync=!1,!state.reading&&(n=howMuchToRead(nOrig,state)));var ret;return ret=0<n?fromList(n,state):null,null===ret?(state.needReadable=state.length<=state.highWaterMark,n=0):(state.length-=n,state.awaitDrain=0),0===state.length&&(!state.ended&&(state.needReadable=!0),nOrig!==n&&state.ended&&endReadable(this)),null!==ret&&this.emit("data",ret),ret},Readable.prototype._read=function(n){errorOrDestroy(this,new ERR_METHOD_NOT_IMPLEMENTED("_read()"))},Readable.prototype.pipe=function(dest,pipeOpts){function onunpipe(readable,unpipeInfo){debug("onunpipe"),readable===src&&unpipeInfo&&!1===unpipeInfo.hasUnpiped&&(unpipeInfo.hasUnpiped=!0,cleanup())}function onend(){debug("onend"),dest.end()}function cleanup(){debug("cleanup"),dest.removeListener("close",onclose),dest.removeListener("finish",onfinish),dest.removeListener("drain",ondrain),dest.removeListener("error",onerror),dest.removeListener("unpipe",onunpipe),src.removeListener("end",onend),src.removeListener("end",unpipe),src.removeListener("data",ondata),cleanedUp=!0,state.awaitDrain&&(!dest._writableState||dest._writableState.needDrain)&&ondrain()}function ondata(chunk){debug("ondata");var ret=dest.write(chunk);debug("dest.write",ret),!1===ret&&((1===state.pipesCount&&state.pipes===dest||1<state.pipesCount&&-1!==indexOf(state.pipes,dest))&&!cleanedUp&&(debug("false write response, pause",state.awaitDrain),state.awaitDrain++),src.pause())}function onerror(er){debug("onerror",er),unpipe(),dest.removeListener("error",onerror),0===EElistenerCount(dest,"error")&&errorOrDestroy(dest,er)}function onclose(){dest.removeListener("finish",onfinish),unpipe()}function onfinish(){debug("onfinish"),dest.removeListener("close",onclose),unpipe()}function unpipe(){debug("unpipe"),src.unpipe(dest)}var src=this,state=this._readableState;switch(state.pipesCount){case 0:state.pipes=dest;break;case 1:state.pipes=[state.pipes,dest];break;default:state.pipes.push(dest);}state.pipesCount+=1,debug("pipe count=%d opts=%j",state.pipesCount,pipeOpts);var doEnd=(!pipeOpts||!1!==pipeOpts.end)&&dest!==process.stdout&&dest!==process.stderr,endFn=doEnd?onend:unpipe;state.endEmitted?process.nextTick(endFn):src.once("end",endFn),dest.on("unpipe",onunpipe);var ondrain=pipeOnDrain(src);dest.on("drain",ondrain);var cleanedUp=!1;return src.on("data",ondata),prependListener(dest,"error",onerror),dest.once("close",onclose),dest.once("finish",onfinish),dest.emit("pipe",src),state.flowing||(debug("pipe resume"),src.resume()),dest},Readable.prototype.unpipe=function(dest){var state=this._readableState,unpipeInfo={hasUnpiped:!1};if(0===state.pipesCount)return this;if(1===state.pipesCount)return dest&&dest!==state.pipes?this:(dest||(dest=state.pipes),state.pipes=null,state.pipesCount=0,state.flowing=!1,dest&&dest.emit("unpipe",this,unpipeInfo),this);if(!dest){var dests=state.pipes,len=state.pipesCount;state.pipes=null,state.pipesCount=0,state.flowing=!1;for(var i=0;i<len;i++)dests[i].emit("unpipe",this,{hasUnpiped:!1});return this}var index=indexOf(state.pipes,dest);return-1===index?this:(state.pipes.splice(index,1),state.pipesCount-=1,1===state.pipesCount&&(state.pipes=state.pipes[0]),dest.emit("unpipe",this,unpipeInfo),this)},Readable.prototype.on=function(ev,fn){var res=Stream.prototype.on.call(this,ev,fn),state=this._readableState;return"data"===ev?(state.readableListening=0<this.listenerCount("readable"),!1!==state.flowing&&this.resume()):"readable"==ev&&!state.endEmitted&&!state.readableListening&&(state.readableListening=state.needReadable=!0,state.flowing=!1,state.emittedReadable=!1,debug("on readable",state.length,state.reading),state.length?emitReadable(this):!state.reading&&process.nextTick(nReadingNextTick,this)),res},Readable.prototype.addListener=Readable.prototype.on,Readable.prototype.removeListener=function(ev,fn){var res=Stream.prototype.removeListener.call(this,ev,fn);return"readable"===ev&&process.nextTick(updateReadableListening,this),res},Readable.prototype.removeAllListeners=function(ev){var res=Stream.prototype.removeAllListeners.apply(this,arguments);return("readable"===ev||void 0===ev)&&process.nextTick(updateReadableListening,this),res},Readable.prototype.resume=function(){var state=this._readableState;return state.flowing||(debug("resume"),state.flowing=!state.readableListening,resume(this,state)),state.paused=!1,this},Readable.prototype.pause=function(){return debug("call pause flowing=%j",this._readableState.flowing),!1!==this._readableState.flowing&&(debug("pause"),this._readableState.flowing=!1,this.emit("pause")),this._readableState.paused=!0,this},Readable.prototype.wrap=function(stream){var _this=this,state=this._readableState,paused=!1;for(var i in stream.on("end",function(){if(debug("wrapped end"),state.decoder&&!state.ended){var chunk=state.decoder.end();chunk&&chunk.length&&_this.push(chunk)}_this.push(null)}),stream.on("data",function(chunk){if((debug("wrapped data"),state.decoder&&(chunk=state.decoder.write(chunk)),!(state.objectMode&&(null===chunk||void 0===chunk)))&&(state.objectMode||chunk&&chunk.length)){var ret=_this.push(chunk);ret||(paused=!0,stream.pause())}}),stream)void 0===this[i]&&"function"==typeof stream[i]&&(this[i]=function methodWrap(method){return function methodWrapReturnFunction(){return stream[method].apply(stream,arguments)}}(i));for(var n=0;n<kProxyEvents.length;n++)stream.on(kProxyEvents[n],this.emit.bind(this,kProxyEvents[n]));return this._read=function(n){debug("wrapped _read",n),paused&&(paused=!1,stream.resume())},this},"function"==typeof Symbol&&(Readable.prototype[Symbol.asyncIterator]=function(){return void 0===createReadableStreamAsyncIterator&&(createReadableStreamAsyncIterator=require("./internal/streams/async_iterator")),createReadableStreamAsyncIterator(this)}),Object.defineProperty(Readable.prototype,"readableHighWaterMark",{enumerable:!1,get:function get(){return this._readableState.highWaterMark}}),Object.defineProperty(Readable.prototype,"readableBuffer",{enumerable:!1,get:function get(){return this._readableState&&this._readableState.buffer}}),Object.defineProperty(Readable.prototype,"readableFlowing",{enumerable:!1,get:function get(){return this._readableState.flowing},set:function set(state){this._readableState&&(this._readableState.flowing=state)}}),Readable._fromList=fromList,Object.defineProperty(Readable.prototype,"readableLength",{enumerable:!1,get:function get(){return this._readableState.length}}),"function"==typeof Symbol&&(Readable.from=function(iterable,opts){return void 0===from&&(from=require("./internal/streams/from")),from(Readable,iterable,opts)})}).call(this)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"../errors":213,"./_stream_duplex":214,"./internal/streams/async_iterator":219,"./internal/streams/buffer_list":220,"./internal/streams/destroy":221,"./internal/streams/from":223,"./internal/streams/state":225,"./internal/streams/stream":226,_process:192,buffer:75,events:122,inherits:146,"string_decoder/":264,util:41}],217:[function(require,module,exports){"use strict";function afterTransform(er,data){var ts=this._transformState;ts.transforming=!1;var cb=ts.writecb;if(null===cb)return this.emit("error",new ERR_MULTIPLE_CALLBACK);ts.writechunk=null,ts.writecb=null,null!=data&&this.push(data),cb(er);var rs=this._readableState;rs.reading=!1,(rs.needReadable||rs.length<rs.highWaterMark)&&this._read(rs.highWaterMark)}function Transform(options){return this instanceof Transform?void(Duplex.call(this,options),this._transformState={afterTransform:afterTransform.bind(this),needTransform:!1,transforming:!1,writecb:null,writechunk:null,writeencoding:null},this._readableState.needReadable=!0,this._readableState.sync=!1,options&&("function"==typeof options.transform&&(this._transform=options.transform),"function"==typeof options.flush&&(this._flush=options.flush)),this.on("prefinish",prefinish)):new Transform(options)}function prefinish(){var _this=this;"function"!=typeof this._flush||this._readableState.destroyed?done(this,null,null):this._flush(function(er,data){done(_this,er,data)})}function done(stream,er,data){if(er)return stream.emit("error",er);if(null!=data&&stream.push(data),stream._writableState.length)throw new ERR_TRANSFORM_WITH_LENGTH_0;if(stream._transformState.transforming)throw new ERR_TRANSFORM_ALREADY_TRANSFORMING;return stream.push(null)}module.exports=Transform;var _require$codes=require("../errors").codes,ERR_METHOD_NOT_IMPLEMENTED=_require$codes.ERR_METHOD_NOT_IMPLEMENTED,ERR_MULTIPLE_CALLBACK=_require$codes.ERR_MULTIPLE_CALLBACK,ERR_TRANSFORM_ALREADY_TRANSFORMING=_require$codes.ERR_TRANSFORM_ALREADY_TRANSFORMING,ERR_TRANSFORM_WITH_LENGTH_0=_require$codes.ERR_TRANSFORM_WITH_LENGTH_0,Duplex=require("./_stream_duplex");require("inherits")(Transform,Duplex),Transform.prototype.push=function(chunk,encoding){return this._transformState.needTransform=!1,Duplex.prototype.push.call(this,chunk,encoding)},Transform.prototype._transform=function(chunk,encoding,cb){cb(new ERR_METHOD_NOT_IMPLEMENTED("_transform()"))},Transform.prototype._write=function(chunk,encoding,cb){var ts=this._transformState;if(ts.writecb=cb,ts.writechunk=chunk,ts.writeencoding=encoding,!ts.transforming){var rs=this._readableState;(ts.needTransform||rs.needReadable||rs.length<rs.highWaterMark)&&this._read(rs.highWaterMark)}},Transform.prototype._read=function(n){var ts=this._transformState;null===ts.writechunk||ts.transforming?ts.needTransform=!0:(ts.transforming=!0,this._transform(ts.writechunk,ts.writeencoding,ts.afterTransform))},Transform.prototype._destroy=function(err,cb){Duplex.prototype._destroy.call(this,err,function(err2){cb(err2)})}},{"../errors":213,"./_stream_duplex":214,inherits:146}],218:[function(require,module,exports){(function(process,global){(function(){"use strict";function WriteReq(chunk,encoding,cb){this.chunk=chunk,this.encoding=encoding,this.callback=cb,this.next=null}function CorkedRequest(state){var _this=this;this.next=null,this.entry=null,this.finish=function(){onCorkedFinish(_this,state)}}function _uint8ArrayToBuffer(chunk){return Buffer.from(chunk)}function _isUint8Array(obj){return Buffer.isBuffer(obj)||obj instanceof OurUint8Array}function nop(){}function WritableState(options,stream,isDuplex){Duplex=Duplex||require("./_stream_duplex"),options=options||{},"boolean"!=typeof isDuplex&&(isDuplex=stream instanceof Duplex),this.objectMode=!!options.objectMode,isDuplex&&(this.objectMode=this.objectMode||!!options.writableObjectMode),this.highWaterMark=getHighWaterMark(this,options,"writableHighWaterMark",isDuplex),this.finalCalled=!1,this.needDrain=!1,this.ending=!1,this.ended=!1,this.finished=!1,this.destroyed=!1;var noDecode=!1===options.decodeStrings;this.decodeStrings=!noDecode,this.defaultEncoding=options.defaultEncoding||"utf8",this.length=0,this.writing=!1,this.corked=0,this.sync=!0,this.bufferProcessing=!1,this.onwrite=function(er){onwrite(stream,er)},this.writecb=null,this.writelen=0,this.bufferedRequest=null,this.lastBufferedRequest=null,this.pendingcb=0,this.prefinished=!1,this.errorEmitted=!1,this.emitClose=!1!==options.emitClose,this.autoDestroy=!!options.autoDestroy,this.bufferedRequestCount=0,this.corkedRequestsFree=new CorkedRequest(this)}function Writable(options){Duplex=Duplex||require("./_stream_duplex");var isDuplex=this instanceof Duplex;return isDuplex||realHasInstance.call(Writable,this)?void(this._writableState=new WritableState(options,this,isDuplex),this.writable=!0,options&&("function"==typeof options.write&&(this._write=options.write),"function"==typeof options.writev&&(this._writev=options.writev),"function"==typeof options.destroy&&(this._destroy=options.destroy),"function"==typeof options.final&&(this._final=options.final)),Stream.call(this)):new Writable(options)}function writeAfterEnd(stream,cb){var er=new ERR_STREAM_WRITE_AFTER_END;errorOrDestroy(stream,er),process.nextTick(cb,er)}function validChunk(stream,state,chunk,cb){var er;return null===chunk?er=new ERR_STREAM_NULL_VALUES:"string"!=typeof chunk&&!state.objectMode&&(er=new ERR_INVALID_ARG_TYPE("chunk",["string","Buffer"],chunk)),!er||(errorOrDestroy(stream,er),process.nextTick(cb,er),!1)}function decodeChunk(state,chunk,encoding){return state.objectMode||!1===state.decodeStrings||"string"!=typeof chunk||(chunk=Buffer.from(chunk,encoding)),chunk}function writeOrBuffer(stream,state,isBuf,chunk,encoding,cb){if(!isBuf){var newChunk=decodeChunk(state,chunk,encoding);chunk!==newChunk&&(isBuf=!0,encoding="buffer",chunk=newChunk)}var len=state.objectMode?1:chunk.length;state.length+=len;var ret=state.length<state.highWaterMark;if(ret||(state.needDrain=!0),state.writing||state.corked){var last=state.lastBufferedRequest;state.lastBufferedRequest={chunk:chunk,encoding:encoding,isBuf:isBuf,callback:cb,next:null},last?last.next=state.lastBufferedRequest:state.bufferedRequest=state.lastBufferedRequest,state.bufferedRequestCount+=1}else doWrite(stream,state,!1,len,chunk,encoding,cb);return ret}function doWrite(stream,state,writev,len,chunk,encoding,cb){state.writelen=len,state.writecb=cb,state.writing=!0,state.sync=!0,state.destroyed?state.onwrite(new ERR_STREAM_DESTROYED("write")):writev?stream._writev(chunk,state.onwrite):stream._write(chunk,encoding,state.onwrite),state.sync=!1}function onwriteError(stream,state,sync,er,cb){--state.pendingcb,sync?(process.nextTick(cb,er),process.nextTick(finishMaybe,stream,state),stream._writableState.errorEmitted=!0,errorOrDestroy(stream,er)):(cb(er),stream._writableState.errorEmitted=!0,errorOrDestroy(stream,er),finishMaybe(stream,state))}function onwriteStateUpdate(state){state.writing=!1,state.writecb=null,state.length-=state.writelen,state.writelen=0}function onwrite(stream,er){var state=stream._writableState,sync=state.sync,cb=state.writecb;if("function"!=typeof cb)throw new ERR_MULTIPLE_CALLBACK;if(onwriteStateUpdate(state),er)onwriteError(stream,state,sync,er,cb);else{var finished=needFinish(state)||stream.destroyed;finished||state.corked||state.bufferProcessing||!state.bufferedRequest||clearBuffer(stream,state),sync?process.nextTick(afterWrite,stream,state,finished,cb):afterWrite(stream,state,finished,cb)}}function afterWrite(stream,state,finished,cb){finished||onwriteDrain(stream,state),state.pendingcb--,cb(),finishMaybe(stream,state)}function onwriteDrain(stream,state){0===state.length&&state.needDrain&&(state.needDrain=!1,stream.emit("drain"))}function clearBuffer(stream,state){state.bufferProcessing=!0;var entry=state.bufferedRequest;if(stream._writev&&entry&&entry.next){var l=state.bufferedRequestCount,buffer=Array(l),holder=state.corkedRequestsFree;holder.entry=entry;for(var count=0,allBuffers=!0;entry;)buffer[count]=entry,entry.isBuf||(allBuffers=!1),entry=entry.next,count+=1;buffer.allBuffers=allBuffers,doWrite(stream,state,!0,state.length,buffer,"",holder.finish),state.pendingcb++,state.lastBufferedRequest=null,holder.next?(state.corkedRequestsFree=holder.next,holder.next=null):state.corkedRequestsFree=new CorkedRequest(state),state.bufferedRequestCount=0}else{for(;entry;){var chunk=entry.chunk,encoding=entry.encoding,cb=entry.callback,len=state.objectMode?1:chunk.length;if(doWrite(stream,state,!1,len,chunk,encoding,cb),entry=entry.next,state.bufferedRequestCount--,state.writing)break}null===entry&&(state.lastBufferedRequest=null)}state.bufferedRequest=entry,state.bufferProcessing=!1}function needFinish(state){return state.ending&&0===state.length&&null===state.bufferedRequest&&!state.finished&&!state.writing}function callFinal(stream,state){stream._final(function(err){state.pendingcb--,err&&errorOrDestroy(stream,err),state.prefinished=!0,stream.emit("prefinish"),finishMaybe(stream,state)})}function prefinish(stream,state){state.prefinished||state.finalCalled||("function"!=typeof stream._final||state.destroyed?(state.prefinished=!0,stream.emit("prefinish")):(state.pendingcb++,state.finalCalled=!0,process.nextTick(callFinal,stream,state)))}function finishMaybe(stream,state){var need=needFinish(state);if(need&&(prefinish(stream,state),0===state.pendingcb&&(state.finished=!0,stream.emit("finish"),state.autoDestroy))){var rState=stream._readableState;(!rState||rState.autoDestroy&&rState.endEmitted)&&stream.destroy()}return need}function endWritable(stream,state,cb){state.ending=!0,finishMaybe(stream,state),cb&&(state.finished?process.nextTick(cb):stream.once("finish",cb)),state.ended=!0,stream.writable=!1}function onCorkedFinish(corkReq,state,err){var entry=corkReq.entry;for(corkReq.entry=null;entry;){var cb=entry.callback;state.pendingcb--,cb(err),entry=entry.next}state.corkedRequestsFree.next=corkReq}module.exports=Writable;var Duplex;Writable.WritableState=WritableState;var internalUtil={deprecate:require("util-deprecate")},Stream=require("./internal/streams/stream"),Buffer=require("buffer").Buffer,OurUint8Array=global.Uint8Array||function(){},destroyImpl=require("./internal/streams/destroy"),_require=require("./internal/streams/state"),getHighWaterMark=_require.getHighWaterMark,_require$codes=require("../errors").codes,ERR_INVALID_ARG_TYPE=_require$codes.ERR_INVALID_ARG_TYPE,ERR_METHOD_NOT_IMPLEMENTED=_require$codes.ERR_METHOD_NOT_IMPLEMENTED,ERR_MULTIPLE_CALLBACK=_require$codes.ERR_MULTIPLE_CALLBACK,ERR_STREAM_CANNOT_PIPE=_require$codes.ERR_STREAM_CANNOT_PIPE,ERR_STREAM_DESTROYED=_require$codes.ERR_STREAM_DESTROYED,ERR_STREAM_NULL_VALUES=_require$codes.ERR_STREAM_NULL_VALUES,ERR_STREAM_WRITE_AFTER_END=_require$codes.ERR_STREAM_WRITE_AFTER_END,ERR_UNKNOWN_ENCODING=_require$codes.ERR_UNKNOWN_ENCODING,errorOrDestroy=destroyImpl.errorOrDestroy;require("inherits")(Writable,Stream),WritableState.prototype.getBuffer=function getBuffer(){for(var current=this.bufferedRequest,out=[];current;)out.push(current),current=current.next;return out},function(){try{Object.defineProperty(WritableState.prototype,"buffer",{get:internalUtil.deprecate(function writableStateBufferGetter(){return this.getBuffer()},"_writableState.buffer is deprecated. Use _writableState.getBuffer instead.","DEP0003")})}catch(_){}}();var realHasInstance;"function"==typeof Symbol&&Symbol.hasInstance&&"function"==typeof Function.prototype[Symbol.hasInstance]?(realHasInstance=Function.prototype[Symbol.hasInstance],Object.defineProperty(Writable,Symbol.hasInstance,{value:function value(object){return!!realHasInstance.call(this,object)||!(this!==Writable)&&object&&object._writableState instanceof WritableState}})):realHasInstance=function realHasInstance(object){return object instanceof this},Writable.prototype.pipe=function(){errorOrDestroy(this,new ERR_STREAM_CANNOT_PIPE)},Writable.prototype.write=function(chunk,encoding,cb){var state=this._writableState,ret=!1,isBuf=!state.objectMode&&_isUint8Array(chunk);return isBuf&&!Buffer.isBuffer(chunk)&&(chunk=_uint8ArrayToBuffer(chunk)),"function"==typeof encoding&&(cb=encoding,encoding=null),isBuf?encoding="buffer":!encoding&&(encoding=state.defaultEncoding),"function"!=typeof cb&&(cb=nop),state.ending?writeAfterEnd(this,cb):(isBuf||validChunk(this,state,chunk,cb))&&(state.pendingcb++,ret=writeOrBuffer(this,state,isBuf,chunk,encoding,cb)),ret},Writable.prototype.cork=function(){this._writableState.corked++},Writable.prototype.uncork=function(){var state=this._writableState;state.corked&&(state.corked--,!state.writing&&!state.corked&&!state.bufferProcessing&&state.bufferedRequest&&clearBuffer(this,state))},Writable.prototype.setDefaultEncoding=function setDefaultEncoding(encoding){if("string"==typeof encoding&&(encoding=encoding.toLowerCase()),!(-1<["hex","utf8","utf-8","ascii","binary","base64","ucs2","ucs-2","utf16le","utf-16le","raw"].indexOf((encoding+"").toLowerCase())))throw new ERR_UNKNOWN_ENCODING(encoding);return this._writableState.defaultEncoding=encoding,this},Object.defineProperty(Writable.prototype,"writableBuffer",{enumerable:!1,get:function get(){return this._writableState&&this._writableState.getBuffer()}}),Object.defineProperty(Writable.prototype,"writableHighWaterMark",{enumerable:!1,get:function get(){return this._writableState.highWaterMark}}),Writable.prototype._write=function(chunk,encoding,cb){cb(new ERR_METHOD_NOT_IMPLEMENTED("_write()"))},Writable.prototype._writev=null,Writable.prototype.end=function(chunk,encoding,cb){var state=this._writableState;return"function"==typeof chunk?(cb=chunk,chunk=null,encoding=null):"function"==typeof encoding&&(cb=encoding,encoding=null),null!==chunk&&void 0!==chunk&&this.write(chunk,encoding),state.corked&&(state.corked=1,this.uncork()),state.ending||endWritable(this,state,cb),this},Object.defineProperty(Writable.prototype,"writableLength",{enumerable:!1,get:function get(){return this._writableState.length}}),Object.defineProperty(Writable.prototype,"destroyed",{enumerable:!1,get:function get(){return void 0!==this._writableState&&this._writableState.destroyed},set:function set(value){this._writableState&&(this._writableState.destroyed=value)}}),Writable.prototype.destroy=destroyImpl.destroy,Writable.prototype._undestroy=destroyImpl.undestroy,Writable.prototype._destroy=function(err,cb){cb(err)}}).call(this)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"../errors":213,"./_stream_duplex":214,"./internal/streams/destroy":221,"./internal/streams/state":225,"./internal/streams/stream":226,_process:192,buffer:75,inherits:146,"util-deprecate":276}],219:[function(require,module,exports){(function(process){(function(){"use strict";function _defineProperty(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj}function createIterResult(value,done){return{value:value,done:done}}function readAndResolve(iter){var resolve=iter[kLastResolve];if(null!==resolve){var data=iter[kStream].read();null!==data&&(iter[kLastPromise]=null,iter[kLastResolve]=null,iter[kLastReject]=null,resolve(createIterResult(data,!1)))}}function onReadable(iter){process.nextTick(readAndResolve,iter)}function wrapForNext(lastPromise,iter){return function(resolve,reject){lastPromise.then(function(){return iter[kEnded]?void resolve(createIterResult(void 0,!0)):void iter[kHandlePromise](resolve,reject)},reject)}}var finished=require("./end-of-stream"),kLastResolve=Symbol("lastResolve"),kLastReject=Symbol("lastReject"),kError=Symbol("error"),kEnded=Symbol("ended"),kLastPromise=Symbol("lastPromise"),kHandlePromise=Symbol("handlePromise"),kStream=Symbol("stream"),AsyncIteratorPrototype=Object.getPrototypeOf(function(){}),ReadableStreamAsyncIteratorPrototype=Object.setPrototypeOf((_Object$setPrototypeO={get stream(){return this[kStream]},next:function next(){var _this=this,error=this[kError];if(null!==error)return Promise.reject(error);if(this[kEnded])return Promise.resolve(createIterResult(void 0,!0));if(this[kStream].destroyed)return new Promise(function(resolve,reject){process.nextTick(function(){_this[kError]?reject(_this[kError]):resolve(createIterResult(void 0,!0))})});var lastPromise=this[kLastPromise],promise;if(lastPromise)promise=new Promise(wrapForNext(lastPromise,this));else{var data=this[kStream].read();if(null!==data)return Promise.resolve(createIterResult(data,!1));promise=new Promise(this[kHandlePromise])}return this[kLastPromise]=promise,promise}},_defineProperty(_Object$setPrototypeO,Symbol.asyncIterator,function(){return this}),_defineProperty(_Object$setPrototypeO,"return",function _return(){var _this2=this;return new Promise(function(resolve,reject){_this2[kStream].destroy(null,function(err){return err?void reject(err):void resolve(createIterResult(void 0,!0))})})}),_Object$setPrototypeO),AsyncIteratorPrototype),createReadableStreamAsyncIterator=function createReadableStreamAsyncIterator(stream){var iterator=Object.create(ReadableStreamAsyncIteratorPrototype,(_Object$create={},_defineProperty(_Object$create,kStream,{value:stream,writable:!0}),_defineProperty(_Object$create,kLastResolve,{value:null,writable:!0}),_defineProperty(_Object$create,kLastReject,{value:null,writable:!0}),_defineProperty(_Object$create,kError,{value:null,writable:!0}),_defineProperty(_Object$create,kEnded,{value:stream._readableState.endEmitted,writable:!0}),_defineProperty(_Object$create,kHandlePromise,{value:function value(resolve,reject){var data=iterator[kStream].read();data?(iterator[kLastPromise]=null,iterator[kLastResolve]=null,iterator[kLastReject]=null,resolve(createIterResult(data,!1))):(iterator[kLastResolve]=resolve,iterator[kLastReject]=reject)},writable:!0}),_Object$create)),_Object$create;return iterator[kLastPromise]=null,finished(stream,function(err){if(err&&"ERR_STREAM_PREMATURE_CLOSE"!==err.code){var reject=iterator[kLastReject];return null!==reject&&(iterator[kLastPromise]=null,iterator[kLastResolve]=null,iterator[kLastReject]=null,reject(err)),void(iterator[kError]=err)}var resolve=iterator[kLastResolve];null!==resolve&&(iterator[kLastPromise]=null,iterator[kLastResolve]=null,iterator[kLastReject]=null,resolve(createIterResult(void 0,!0))),iterator[kEnded]=!0}),stream.on("readable",onReadable.bind(null,iterator)),iterator},_Object$setPrototypeO;module.exports=createReadableStreamAsyncIterator}).call(this)}).call(this,require("_process"))},{"./end-of-stream":222,_process:192}],220:[function(require,module,exports){"use strict";function ownKeys(object,enumerableOnly){var keys=Object.keys(object);if(Object.getOwnPropertySymbols){var symbols=Object.getOwnPropertySymbols(object);enumerableOnly&&(symbols=symbols.filter(function(sym){return Object.getOwnPropertyDescriptor(object,sym).enumerable})),keys.push.apply(keys,symbols)}return keys}function _objectSpread(target){for(var i=1,source;i<arguments.length;i++)source=null==arguments[i]?{}:arguments[i],i%2?ownKeys(Object(source),!0).forEach(function(key){_defineProperty(target,key,source[key])}):Object.getOwnPropertyDescriptors?Object.defineProperties(target,Object.getOwnPropertyDescriptors(source)):ownKeys(Object(source)).forEach(function(key){Object.defineProperty(target,key,Object.getOwnPropertyDescriptor(source,key))});return target}function _defineProperty(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj}function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}function _defineProperties(target,props){for(var i=0,descriptor;i<props.length;i++)descriptor=props[i],descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}function _createClass(Constructor,protoProps,staticProps){return protoProps&&_defineProperties(Constructor.prototype,protoProps),staticProps&&_defineProperties(Constructor,staticProps),Constructor}function copyBuffer(src,target,offset){Buffer.prototype.copy.call(src,target,offset)}var _require=require("buffer"),Buffer=_require.Buffer,_require2=require("util"),inspect=_require2.inspect,custom=inspect&&inspect.custom||"inspect";module.exports=function(){function BufferList(){_classCallCheck(this,BufferList),this.head=null,this.tail=null,this.length=0}return _createClass(BufferList,[{key:"push",value:function push(v){var entry={data:v,next:null};0<this.length?this.tail.next=entry:this.head=entry,this.tail=entry,++this.length}},{key:"unshift",value:function unshift(v){var entry={data:v,next:this.head};0===this.length&&(this.tail=entry),this.head=entry,++this.length}},{key:"shift",value:function shift(){if(0!==this.length){var ret=this.head.data;return this.head=1===this.length?this.tail=null:this.head.next,--this.length,ret}}},{key:"clear",value:function clear(){this.head=this.tail=null,this.length=0}},{key:"join",value:function join(s){if(0===this.length)return"";for(var p=this.head,ret=""+p.data;p=p.next;)ret+=s+p.data;return ret}},{key:"concat",value:function concat(n){if(0===this.length)return Buffer.alloc(0);for(var ret=Buffer.allocUnsafe(n>>>0),p=this.head,i=0;p;)copyBuffer(p.data,ret,i),i+=p.data.length,p=p.next;return ret}},{key:"consume",value:function consume(n,hasStrings){var ret;return n<this.head.data.length?(ret=this.head.data.slice(0,n),this.head.data=this.head.data.slice(n)):n===this.head.data.length?ret=this.shift():ret=hasStrings?this._getString(n):this._getBuffer(n),ret}},{key:"first",value:function first(){return this.head.data}},{key:"_getString",value:function _getString(n){var p=this.head,c=1,ret=p.data;for(n-=ret.length;p=p.next;){var str=p.data,nb=n>str.length?str.length:n;if(ret+=nb===str.length?str:str.slice(0,n),n-=nb,0===n){nb===str.length?(++c,this.head=p.next?p.next:this.tail=null):(this.head=p,p.data=str.slice(nb));break}++c}return this.length-=c,ret}},{key:"_getBuffer",value:function _getBuffer(n){var ret=Buffer.allocUnsafe(n),p=this.head,c=1;for(p.data.copy(ret),n-=p.data.length;p=p.next;){var buf=p.data,nb=n>buf.length?buf.length:n;if(buf.copy(ret,ret.length-n,0,nb),n-=nb,0===n){nb===buf.length?(++c,this.head=p.next?p.next:this.tail=null):(this.head=p,p.data=buf.slice(nb));break}++c}return this.length-=c,ret}},{key:custom,value:function value(_,options){return inspect(this,_objectSpread({},options,{depth:0,customInspect:!1}))}}]),BufferList}()},{buffer:75,util:41}],221:[function(require,module,exports){(function(process){(function(){"use strict";function destroy(err,cb){var _this=this,readableDestroyed=this._readableState&&this._readableState.destroyed,writableDestroyed=this._writableState&&this._writableState.destroyed;return readableDestroyed||writableDestroyed?(cb?cb(err):err&&(this._writableState?!this._writableState.errorEmitted&&(this._writableState.errorEmitted=!0,process.nextTick(emitErrorNT,this,err)):process.nextTick(emitErrorNT,this,err)),this):(this._readableState&&(this._readableState.destroyed=!0),this._writableState&&(this._writableState.destroyed=!0),this._destroy(err||null,function(err){!cb&&err?_this._writableState?_this._writableState.errorEmitted?process.nextTick(emitCloseNT,_this):(_this._writableState.errorEmitted=!0,process.nextTick(emitErrorAndCloseNT,_this,err)):process.nextTick(emitErrorAndCloseNT,_this,err):cb?(process.nextTick(emitCloseNT,_this),cb(err)):process.nextTick(emitCloseNT,_this)}),this)}function emitErrorAndCloseNT(self,err){emitErrorNT(self,err),emitCloseNT(self)}function emitCloseNT(self){self._writableState&&!self._writableState.emitClose||self._readableState&&!self._readableState.emitClose||self.emit("close")}function undestroy(){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)}function emitErrorNT(self,err){self.emit("error",err)}function errorOrDestroy(stream,err){var rState=stream._readableState,wState=stream._writableState;rState&&rState.autoDestroy||wState&&wState.autoDestroy?stream.destroy(err):stream.emit("error",err)}module.exports={destroy:destroy,undestroy:undestroy,errorOrDestroy:errorOrDestroy}}).call(this)}).call(this,require("_process"))},{_process:192}],222:[function(require,module,exports){"use strict";function once(callback){var called=!1;return function(){if(!called){called=!0;for(var _len=arguments.length,args=Array(_len),_key=0;_key<_len;_key++)args[_key]=arguments[_key];callback.apply(this,args)}}}function noop(){}function isRequest(stream){return stream.setHeader&&"function"==typeof stream.abort}function eos(stream,opts,callback){if("function"==typeof opts)return eos(stream,null,opts);opts||(opts={}),callback=once(callback||noop);var readable=opts.readable||!1!==opts.readable&&stream.readable,writable=opts.writable||!1!==opts.writable&&stream.writable,onlegacyfinish=function onlegacyfinish(){stream.writable||onfinish()},writableEnded=stream._writableState&&stream._writableState.finished,onfinish=function onfinish(){writable=!1,writableEnded=!0,readable||callback.call(stream)},readableEnded=stream._readableState&&stream._readableState.endEmitted,onend=function onend(){readable=!1,readableEnded=!0,writable||callback.call(stream)},onerror=function onerror(err){callback.call(stream,err)},onclose=function onclose(){var err;return readable&&!readableEnded?(stream._readableState&&stream._readableState.ended||(err=new ERR_STREAM_PREMATURE_CLOSE),callback.call(stream,err)):writable&&!writableEnded?(stream._writableState&&stream._writableState.ended||(err=new ERR_STREAM_PREMATURE_CLOSE),callback.call(stream,err)):void 0},onrequest=function onrequest(){stream.req.on("finish",onfinish)};return isRequest(stream)?(stream.on("complete",onfinish),stream.on("abort",onclose),stream.req?onrequest():stream.on("request",onrequest)):writable&&!stream._writableState&&(stream.on("end",onlegacyfinish),stream.on("close",onlegacyfinish)),stream.on("end",onend),stream.on("finish",onfinish),!1!==opts.error&&stream.on("error",onerror),stream.on("close",onclose),function(){stream.removeListener("complete",onfinish),stream.removeListener("abort",onclose),stream.removeListener("request",onrequest),stream.req&&stream.req.removeListener("finish",onfinish),stream.removeListener("end",onlegacyfinish),stream.removeListener("close",onlegacyfinish),stream.removeListener("finish",onfinish),stream.removeListener("end",onend),stream.removeListener("error",onerror),stream.removeListener("close",onclose)}}var ERR_STREAM_PREMATURE_CLOSE=require("../../../errors").codes.ERR_STREAM_PREMATURE_CLOSE;module.exports=eos},{"../../../errors":213}],223:[function(require,module,exports){module.exports=function(){throw new Error("Readable.from is not available in the browser")}},{}],224:[function(require,module,exports){"use strict";function once(callback){var called=!1;return function(){called||(called=!0,callback.apply(void 0,arguments))}}function noop(err){if(err)throw err}function isRequest(stream){return stream.setHeader&&"function"==typeof stream.abort}function destroyer(stream,reading,writing,callback){callback=once(callback);var closed=!1;stream.on("close",function(){closed=!0}),eos===void 0&&(eos=require("./end-of-stream")),eos(stream,{readable:reading,writable:writing},function(err){return err?callback(err):void(closed=!0,callback())});var destroyed=!1;return function(err){if(!closed)return destroyed?void 0:(destroyed=!0,isRequest(stream)?stream.abort():"function"==typeof stream.destroy?stream.destroy():void callback(err||new ERR_STREAM_DESTROYED("pipe")))}}function call(fn){fn()}function pipe(from,to){return from.pipe(to)}function popCallback(streams){return streams.length?"function"==typeof streams[streams.length-1]?streams.pop():noop:noop}function pipeline(){for(var _len=arguments.length,streams=Array(_len),_key=0;_key<_len;_key++)streams[_key]=arguments[_key];var callback=popCallback(streams);if(Array.isArray(streams[0])&&(streams=streams[0]),2>streams.length)throw new ERR_MISSING_ARGS("streams");var destroys=streams.map(function(stream,i){var reading=i<streams.length-1,writing=0<i;return destroyer(stream,reading,writing,function(err){error||(error=err),err&&destroys.forEach(call),reading||(destroys.forEach(call),callback(error))})}),error;return streams.reduce(pipe)}var _require$codes=require("../../../errors").codes,ERR_MISSING_ARGS=_require$codes.ERR_MISSING_ARGS,ERR_STREAM_DESTROYED=_require$codes.ERR_STREAM_DESTROYED,eos;module.exports=pipeline},{"../../../errors":213,"./end-of-stream":222}],225:[function(require,module,exports){"use strict";function highWaterMarkFrom(options,isDuplex,duplexKey){return null==options.highWaterMark?isDuplex?options[duplexKey]:null:options.highWaterMark}function getHighWaterMark(state,options,duplexKey,isDuplex){var hwm=highWaterMarkFrom(options,isDuplex,duplexKey);if(null!=hwm){if(!(isFinite(hwm)&&_Mathfloor(hwm)===hwm)||0>hwm){var name=isDuplex?duplexKey:"highWaterMark";throw new ERR_INVALID_OPT_VALUE(name,hwm)}return _Mathfloor(hwm)}return state.objectMode?16:16384}var ERR_INVALID_OPT_VALUE=require("../../../errors").codes.ERR_INVALID_OPT_VALUE;module.exports={getHighWaterMark:getHighWaterMark}},{"../../../errors":213}],226:[function(require,module,exports){module.exports=require("events").EventEmitter},{events:122}],227:[function(require,module,exports){exports=module.exports=require("./lib/_stream_readable.js"),exports.Stream=exports,exports.Readable=exports,exports.Writable=require("./lib/_stream_writable.js"),exports.Duplex=require("./lib/_stream_duplex.js"),exports.Transform=require("./lib/_stream_transform.js"),exports.PassThrough=require("./lib/_stream_passthrough.js"),exports.finished=require("./lib/internal/streams/end-of-stream.js"),exports.pipeline=require("./lib/internal/streams/pipeline.js")},{"./lib/_stream_duplex.js":214,"./lib/_stream_passthrough.js":215,"./lib/_stream_readable.js":216,"./lib/_stream_transform.js":217,"./lib/_stream_writable.js":218,"./lib/internal/streams/end-of-stream.js":222,"./lib/internal/streams/pipeline.js":224}],228:[function(require,module,exports){function render(file,elem,opts,cb){"function"==typeof opts&&(cb=opts,opts={}),opts||(opts={}),cb||(cb=()=>{}),validateFile(file),parseOpts(opts),"string"==typeof elem&&(elem=document.querySelector(elem)),renderMedia(file,tagName=>{if(elem.nodeName!==tagName.toUpperCase()){const extname=path.extname(file.name).toLowerCase();throw new Error(`Cannot render "${extname}" inside a "${elem.nodeName.toLowerCase()}" element, expected "${tagName}"`)}return("video"===tagName||"audio"===tagName)&&setMediaOpts(elem,opts),elem},opts,cb)}function append(file,rootElem,opts,cb){function getElem(tagName){return"video"===tagName||"audio"===tagName?createMedia(tagName):createElem(tagName)}function createMedia(tagName){const elem=createElem(tagName);return setMediaOpts(elem,opts),rootElem.appendChild(elem),elem}function createElem(tagName){const elem=document.createElement(tagName);return rootElem.appendChild(elem),elem}function done(err,elem){err&&elem&&elem.remove(),cb(err,elem)}if("function"==typeof opts&&(cb=opts,opts={}),opts||(opts={}),cb||(cb=()=>{}),validateFile(file),parseOpts(opts),"string"==typeof rootElem&&(rootElem=document.querySelector(rootElem)),rootElem&&("VIDEO"===rootElem.nodeName||"AUDIO"===rootElem.nodeName))throw new Error("Invalid video/audio node argument. Argument must be root element that video/audio tag will be appended to.");renderMedia(file,getElem,opts,done)}function renderMedia(file,getElem,opts,cb){function renderMediaSource(){function useVideostream(){debug(`Use \`videostream\` package for ${file.name}`),prepareElem(),elem.addEventListener("error",fallbackToMediaSource),elem.addEventListener("loadstart",onLoadStart),elem.addEventListener("loadedmetadata",onLoadedMetadata),new VideoStream(file,elem)}function useMediaSource(){debug(`Use MediaSource API for ${file.name}`),prepareElem(),elem.addEventListener("error",fallbackToBlobURL),elem.addEventListener("loadstart",onLoadStart),elem.addEventListener("loadedmetadata",onLoadedMetadata);const wrapper=new MediaElementWrapper(elem),writable=wrapper.createWriteStream(getCodec(file.name));file.createReadStream().pipe(writable),currentTime&&(elem.currentTime=currentTime)}function useBlobURL(){debug(`Use Blob URL for ${file.name}`),prepareElem(),elem.addEventListener("error",fatalError),elem.addEventListener("loadstart",onLoadStart),elem.addEventListener("loadedmetadata",onLoadedMetadata),getBlobURL(file,(err,url)=>err?fatalError(err):void(elem.src=url,currentTime&&(elem.currentTime=currentTime)))}function fallbackToMediaSource(err){debug("videostream error: fallback to MediaSource API: %o",err.message||err),elem.removeEventListener("error",fallbackToMediaSource),elem.removeEventListener("loadedmetadata",onLoadedMetadata),useMediaSource()}function fallbackToBlobURL(err){debug("MediaSource API error: fallback to Blob URL: %o",err.message||err);checkBlobLength()&&(elem.removeEventListener("error",fallbackToBlobURL),elem.removeEventListener("loadedmetadata",onLoadedMetadata),useBlobURL())}function prepareElem(){elem||(elem=getElem(tagName),elem.addEventListener("progress",()=>{currentTime=elem.currentTime}))}const tagName=MEDIASOURCE_VIDEO_EXTS.includes(extname)?"video":"audio";MediaSource?VIDEOSTREAM_EXTS.includes(extname)?useVideostream():useMediaSource():useBlobURL()}function checkBlobLength(){return!("number"==typeof file.length&&file.length>opts.maxBlobLength)||(debug("File length too large for Blob URL approach: %d (max: %d)",file.length,opts.maxBlobLength),fatalError(new Error(`File length too large for Blob URL approach: ${file.length} (max: ${opts.maxBlobLength})`)),!1)}function renderMediaElement(type){checkBlobLength()&&(elem=getElem(type),getBlobURL(file,(err,url)=>err?fatalError(err):void(elem.addEventListener("error",fatalError),elem.addEventListener("loadstart",onLoadStart),elem.addEventListener("loadedmetadata",onLoadedMetadata),elem.src=url)))}function onLoadStart(){if(elem.removeEventListener("loadstart",onLoadStart),opts.autoplay){const playPromise=elem.play();"undefined"!=typeof playPromise&&playPromise.catch(fatalError)}}function onLoadedMetadata(){elem.removeEventListener("loadedmetadata",onLoadedMetadata),cb(null,elem)}function renderImage(){elem=getElem("img"),getBlobURL(file,(err,url)=>err?fatalError(err):void(elem.src=url,elem.alt=file.name,cb(null,elem)))}function renderIframe(){getBlobURL(file,(err,url)=>err?fatalError(err):void(".pdf"===extname?(elem=getElem("object"),elem.setAttribute("typemustmatch",!0),elem.setAttribute("type","application/pdf"),elem.setAttribute("data",url)):(elem=getElem("iframe"),elem.sandbox="allow-forms allow-scripts",elem.src=url),cb(null,elem)))}function tryRenderIframe(){function done(){isAscii(str)?(debug("File extension \"%s\" appears ascii, so will render.",extname),renderIframe()):(debug("File extension \"%s\" appears non-ascii, will not render.",extname),cb(new Error(`Unsupported file type "${extname}": Cannot append to DOM`)))}debug("Unknown file extension \"%s\" - will attempt to render into iframe",extname);let str="";file.createReadStream({start:0,end:1e3}).setEncoding("utf8").on("data",chunk=>{str+=chunk}).on("end",done).on("error",cb)}function fatalError(err){err.message=`Error rendering file "${file.name}": ${err.message}`,debug(err.message),cb(err)}const extname=path.extname(file.name).toLowerCase();let currentTime=0,elem;MEDIASOURCE_EXTS.includes(extname)?renderMediaSource():VIDEO_EXTS.includes(extname)?renderMediaElement("video"):AUDIO_EXTS.includes(extname)?renderMediaElement("audio"):IMAGE_EXTS.includes(extname)?renderImage():IFRAME_EXTS.includes(extname)?renderIframe():tryRenderIframe()}function getBlobURL(file,cb){const extname=path.extname(file.name).toLowerCase();streamToBlobURL(file.createReadStream(),exports.mime[extname]).then(blobUrl=>cb(null,blobUrl),err=>cb(err))}function validateFile(file){if(null==file)throw new Error("file cannot be null or undefined");if("string"!=typeof file.name)throw new Error("missing or invalid file.name property");if("function"!=typeof file.createReadStream)throw new Error("missing or invalid file.createReadStream property")}function getCodec(name){const extname=path.extname(name).toLowerCase();return{".m4a":"audio/mp4; codecs=\"mp4a.40.5\"",".m4b":"audio/mp4; codecs=\"mp4a.40.5\"",".m4p":"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\""}[extname]}function parseOpts(opts){null==opts.autoplay&&(opts.autoplay=!1),null==opts.muted&&(opts.muted=!1),null==opts.controls&&(opts.controls=!0),null==opts.maxBlobLength&&(opts.maxBlobLength=MAX_BLOB_LENGTH)}function setMediaOpts(elem,opts){elem.autoplay=!!opts.autoplay,elem.muted=!!opts.muted,elem.controls=!!opts.controls}exports.render=render,exports.append=append,exports.mime=require("./lib/mime.json");const 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window.Blob([src],{type:"text/javascript"});if(options.bare)return blob;var URL=window.URL||window.webkitURL||window.mozURL||window.msURL,workerUrl=URL.createObjectURL(blob),worker=new window.Worker(workerUrl);return worker.objectURL=workerUrl,worker}},function(module,exports){module.exports=function RushaCore(stdlib$840,foreign$841,heap$842){"use asm";function hash$844(k$845,x$846){k$845|=0,x$846|=0;var 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H$843=new stdlib$840.Int32Array(heap$842);return{hash:hash$844}}},function(module,exports){var _this=this,reader=void 0;"undefined"!=typeof self&&"undefined"!=typeof self.FileReaderSync&&(reader=new self.FileReaderSync);var convStr=function(str,H8,H32,start,len,off){var om=off%4,lm=(len+om)%4,j=len-lm,i;switch(om){case 0:H8[off]=str.charCodeAt(start+3);case 1:H8[0|off+1-(om<<1)]=str.charCodeAt(start+2);case 2:H8[0|off+2-(om<<1)]=str.charCodeAt(start+1);case 3:H8[0|off+3-(om<<1)]=str.charCodeAt(start);}if(!(len<lm+(4-om))){for(i=4-om;i<j;i=0|i+4)H32[off+i>>2]=str.charCodeAt(start+i)<<24|str.charCodeAt(start+i+1)<<16|str.charCodeAt(start+i+2)<<8|str.charCodeAt(start+i+3);switch(lm){case 3:H8[0|off+j+1]=str.charCodeAt(start+j+2);case 2:H8[0|off+j+2]=str.charCodeAt(start+j+1);case 1:H8[0|off+j+3]=str.charCodeAt(start+j);}}},convBuf=function(buf,H8,H32,start,len,off){var om=off%4,lm=(len+om)%4,j=len-lm,i;switch(om){case 0:H8[off]=buf[start+3];case 1:H8[0|off+1-(om<<1)]=buf[start+2];case 2:H8[0|off+2-(om<<1)]=buf[start+1];case 3:H8[0|off+3-(om<<1)]=buf[start];}if(!(len<lm+(4-om))){for(i=4-om;i<j;i=0|i+4)H32[0|off+i>>2]=buf[start+i]<<24|buf[start+i+1]<<16|buf[start+i+2]<<8|buf[start+i+3];switch(lm){case 3:H8[0|off+j+1]=buf[start+j+2];case 2:H8[0|off+j+2]=buf[start+j+1];case 1:H8[0|off+j+3]=buf[start+j];}}},convBlob=function(blob,H8,H32,start,len,off){var i=void 0,om=off%4,lm=(len+om)%4,j=len-lm,buf=new Uint8Array(reader.readAsArrayBuffer(blob.slice(start,start+len)));switch(om){case 0:H8[off]=buf[3];case 1:H8[0|off+1-(om<<1)]=buf[2];case 2:H8[0|off+2-(om<<1)]=buf[1];case 3:H8[0|off+3-(om<<1)]=buf[0];}if(!(len<lm+(4-om))){for(i=4-om;i<j;i=0|i+4)H32[0|off+i>>2]=buf[i]<<24|buf[i+1]<<16|buf[i+2]<<8|buf[i+3];switch(lm){case 3:H8[0|off+j+1]=buf[j+2];case 2:H8[0|off+j+2]=buf[j+1];case 1:H8[0|off+j+3]=buf[j];}}};module.exports=function(data,H8,H32,start,len,off){if("string"==typeof data)return convStr(data,H8,H32,start,len,off);if(data instanceof Array)return convBuf(data,H8,H32,start,len,off);if(_this&&_this.Buffer&&_this.Buffer.isBuffer(data))return convBuf(data,H8,H32,start,len,off);if(data instanceof ArrayBuffer)return convBuf(new Uint8Array(data),H8,H32,start,len,off);if(data.buffer instanceof ArrayBuffer)return convBuf(new Uint8Array(data.buffer,data.byteOffset,data.byteLength),H8,H32,start,len,off);if(data instanceof Blob)return convBlob(data,H8,H32,start,len,off);throw new Error("Unsupported data type.")}},function(module,exports,__webpack_require__){function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}var _createClass=function(){function defineProperties(target,props){for(var i=0,descriptor;i<props.length;i++)descriptor=props[i],descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}return function(Constructor,protoProps,staticProps){return protoProps&&defineProperties(Constructor.prototype,protoProps),staticProps&&defineProperties(Constructor,staticProps),Constructor}}(),Rusha=__webpack_require__(0),_require=__webpack_require__(1),toHex=_require.toHex,Hash=function(){function Hash(){_classCallCheck(this,Hash),this._rusha=new Rusha,this._rusha.resetState()}return Hash.prototype.update=function update(data){return this._rusha.append(data),this},Hash.prototype.digest=function digest(encoding){var digest=this._rusha.rawEnd().buffer;if(!encoding)return digest;if("hex"===encoding)return toHex(digest);throw new Error("unsupported digest encoding")},_createClass(Hash,[{key:"state",get:function(){return this._rusha.getState()},set:function(state){this._rusha.setState(state)}}]),Hash}();module.exports=function(){return new Hash}}])})},{}],234:[function(require,module,exports){function copyProps(src,dst){for(var key in src)dst[key]=src[key]}function SafeBuffer(arg,encodingOrOffset,length){return Buffer(arg,encodingOrOffset,length)}/*! safe-buffer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */var buffer=require("buffer"),Buffer=buffer.Buffer;Buffer.from&&Buffer.alloc&&Buffer.allocUnsafe&&Buffer.allocUnsafeSlow?module.exports=buffer:(copyProps(buffer,exports),exports.Buffer=SafeBuffer),SafeBuffer.prototype=Object.create(Buffer.prototype),copyProps(Buffer,SafeBuffer),SafeBuffer.from=function(arg,encodingOrOffset,length){if("number"==typeof arg)throw new TypeError("Argument must not be a number");return Buffer(arg,encodingOrOffset,length)},SafeBuffer.alloc=function(size,fill,encoding){if("number"!=typeof size)throw new TypeError("Argument must be a number");var buf=Buffer(size);return void 0===fill?buf.fill(0):"string"==typeof encoding?buf.fill(fill,encoding):buf.fill(fill),buf},SafeBuffer.allocUnsafe=function(size){if("number"!=typeof size)throw new TypeError("Argument must be a number");return Buffer(size)},SafeBuffer.allocUnsafeSlow=function(size){if("number"!=typeof size)throw new TypeError("Argument must be a number");return buffer.SlowBuffer(size)}},{buffer:75}],235:[function(require,module,exports){(function(process){(function(){"use strict";var buffer=require("buffer"),Buffer=buffer.Buffer,safer={},key;for(key in buffer)buffer.hasOwnProperty(key)&&"SlowBuffer"!==key&&"Buffer"!==key&&(safer[key]=buffer[key]);var Safer=safer.Buffer={};for(key in Buffer)Buffer.hasOwnProperty(key)&&"allocUnsafe"!==key&&"allocUnsafeSlow"!==key&&(Safer[key]=Buffer[key]);if(safer.Buffer.prototype=Buffer.prototype,Safer.from&&Safer.from!==Uint8Array.from||(Safer.from=function(value,encodingOrOffset,length){if("number"==typeof value)throw new TypeError("The \"value\" argument must not be of type number. Received type "+typeof value);if(value&&"undefined"==typeof value.length)throw new TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type "+typeof value);return Buffer(value,encodingOrOffset,length)}),Safer.alloc||(Safer.alloc=function(size,fill,encoding){if("number"!=typeof size)throw new TypeError("The \"size\" argument must be of type number. Received type "+typeof size);if(0>size||2147483648<=size)throw new RangeError("The value \""+size+"\" is invalid for option \"size\"");var buf=Buffer(size);return fill&&0!==fill.length?"string"==typeof encoding?buf.fill(fill,encoding):buf.fill(fill):buf.fill(0),buf}),!safer.kStringMaxLength)try{safer.kStringMaxLength=process.binding("buffer").kStringMaxLength}catch(e){}safer.constants||(safer.constants={MAX_LENGTH:safer.kMaxLength},safer.kStringMaxLength&&(safer.constants.MAX_STRING_LENGTH=safer.kStringMaxLength)),module.exports=safer}).call(this)}).call(this,require("_process"))},{_process:192,buffer:75}],236:[function(require,module,exports){function Hash(blockSize,finalSize){this._block=Buffer.alloc(blockSize),this._finalSize=finalSize,this._blockSize=blockSize,this._len=0}var Buffer=require("safe-buffer").Buffer;Hash.prototype.update=function(data,enc){"string"==typeof data&&(enc=enc||"utf8",data=Buffer.from(data,enc));for(var block=this._block,blockSize=this._blockSize,length=data.length,accum=this._len,offset=0;offset<length;){for(var assigned=accum%blockSize,remainder=_Mathmin(length-offset,blockSize-assigned),i=0;i<remainder;i++)block[assigned+i]=data[offset+i];accum+=remainder,offset+=remainder,0==accum%blockSize&&this._update(block)}return this._len+=length,this},Hash.prototype.digest=function(enc){var rem=this._len%this._blockSize;this._block[rem]=128,this._block.fill(0,rem+1),rem>=this._finalSize&&(this._update(this._block),this._block.fill(0));var bits=8*this._len;if(4294967295>=bits)this._block.writeUInt32BE(bits,this._blockSize-4);else{var lowBits=(4294967295&bits)>>>0,highBits=(bits-lowBits)/4294967296;this._block.writeUInt32BE(highBits,this._blockSize-8),this._block.writeUInt32BE(lowBits,this._blockSize-4)}this._update(this._block);var hash=this._hash();return enc?hash.toString(enc):hash},Hash.prototype._update=function(){throw new Error("_update must be implemented by subclass")},module.exports=Hash},{"safe-buffer":234}],237:[function(require,module,exports){var exports=module.exports=function SHA(algorithm){algorithm=algorithm.toLowerCase();var Algorithm=exports[algorithm];if(!Algorithm)throw new Error(algorithm+" is not supported (we accept pull requests)");return new Algorithm};exports.sha=require("./sha"),exports.sha1=require("./sha1"),exports.sha224=require("./sha224"),exports.sha256=require("./sha256"),exports.sha384=require("./sha384"),exports.sha512=require("./sha512")},{"./sha":238,"./sha1":239,"./sha224":240,"./sha256":241,"./sha384":242,"./sha512":243}],238:[function(require,module,exports){function Sha(){this.init(),this._w=W,Hash.call(this,64,56)}function rotl5(num){return num<<5|num>>>27}function rotl30(num){return num<<30|num>>>2}function ft(s,b,c,d){return 0===s?b&c|~b&d:2===s?b&c|b&d|c&d:b^c^d}var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1518500249,1859775393,-1894007588,-899497514],W=Array(80);inherits(Sha,Hash),Sha.prototype.init=function(){return this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878,this._e=3285377520,this},Sha.prototype._update=function(M){for(var W=this._w,a=0|this._a,b=0|this._b,c=0|this._c,d=0|this._d,e=0|this._e,i=0;16>i;++i)W[i]=M.readInt32BE(4*i);for(;80>i;++i)W[i]=W[i-3]^W[i-8]^W[i-14]^W[i-16];for(var j=0;80>j;++j){var s=~~(j/20),t=0|rotl5(a)+ft(s,b,c,d)+e+W[j]+K[s];e=d,d=c,c=rotl30(b),b=a,a=t}this._a=0|a+this._a,this._b=0|b+this._b,this._c=0|c+this._c,this._d=0|d+this._d,this._e=0|e+this._e},Sha.prototype._hash=function(){var H=Buffer.allocUnsafe(20);return H.writeInt32BE(0|this._a,0),H.writeInt32BE(0|this._b,4),H.writeInt32BE(0|this._c,8),H.writeInt32BE(0|this._d,12),H.writeInt32BE(0|this._e,16),H},module.exports=Sha},{"./hash":236,inherits:146,"safe-buffer":234}],239:[function(require,module,exports){function Sha1(){this.init(),this._w=W,Hash.call(this,64,56)}function rotl1(num){return num<<1|num>>>31}function rotl5(num){return num<<5|num>>>27}function rotl30(num){return num<<30|num>>>2}function ft(s,b,c,d){return 0===s?b&c|~b&d:2===s?b&c|b&d|c&d:b^c^d}var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1518500249,1859775393,-1894007588,-899497514],W=Array(80);inherits(Sha1,Hash),Sha1.prototype.init=function(){return this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878,this._e=3285377520,this},Sha1.prototype._update=function(M){for(var W=this._w,a=0|this._a,b=0|this._b,c=0|this._c,d=0|this._d,e=0|this._e,i=0;16>i;++i)W[i]=M.readInt32BE(4*i);for(;80>i;++i)W[i]=rotl1(W[i-3]^W[i-8]^W[i-14]^W[i-16]);for(var j=0;80>j;++j){var s=~~(j/20),t=0|rotl5(a)+ft(s,b,c,d)+e+W[j]+K[s];e=d,d=c,c=rotl30(b),b=a,a=t}this._a=0|a+this._a,this._b=0|b+this._b,this._c=0|c+this._c,this._d=0|d+this._d,this._e=0|e+this._e},Sha1.prototype._hash=function(){var H=Buffer.allocUnsafe(20);return H.writeInt32BE(0|this._a,0),H.writeInt32BE(0|this._b,4),H.writeInt32BE(0|this._c,8),H.writeInt32BE(0|this._d,12),H.writeInt32BE(0|this._e,16),H},module.exports=Sha1},{"./hash":236,inherits:146,"safe-buffer":234}],240:[function(require,module,exports){function Sha224(){this.init(),this._w=W,Hash.call(this,64,56)}var inherits=require("inherits"),Sha256=require("./sha256"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,W=Array(64);inherits(Sha224,Sha256),Sha224.prototype.init=function(){return this._a=3238371032,this._b=914150663,this._c=812702999,this._d=4144912697,this._e=4290775857,this._f=1750603025,this._g=1694076839,this._h=3204075428,this},Sha224.prototype._hash=function(){var H=Buffer.allocUnsafe(28);return H.writeInt32BE(this._a,0),H.writeInt32BE(this._b,4),H.writeInt32BE(this._c,8),H.writeInt32BE(this._d,12),H.writeInt32BE(this._e,16),H.writeInt32BE(this._f,20),H.writeInt32BE(this._g,24),H},module.exports=Sha224},{"./hash":236,"./sha256":241,inherits:146,"safe-buffer":234}],241:[function(require,module,exports){function Sha256(){this.init(),this._w=W,Hash.call(this,64,56)}function ch(x,y,z){return z^x&(y^z)}function maj(x,y,z){return x&y|z&(x|y)}function sigma0(x){return(x>>>2|x<<30)^(x>>>13|x<<19)^(x>>>22|x<<10)}function sigma1(x){return(x>>>6|x<<26)^(x>>>11|x<<21)^(x>>>25|x<<7)}function gamma0(x){return(x>>>7|x<<25)^(x>>>18|x<<14)^x>>>3}function gamma1(x){return(x>>>17|x<<15)^(x>>>19|x<<13)^x>>>10}var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298],W=Array(64);inherits(Sha256,Hash),Sha256.prototype.init=function(){return this._a=1779033703,this._b=3144134277,this._c=1013904242,this._d=2773480762,this._e=1359893119,this._f=2600822924,this._g=528734635,this._h=1541459225,this},Sha256.prototype._update=function(M){for(var W=this._w,a=0|this._a,b=0|this._b,c=0|this._c,d=0|this._d,e=0|this._e,f=0|this._f,g=0|this._g,h=0|this._h,i=0;16>i;++i)W[i]=M.readInt32BE(4*i);for(;64>i;++i)W[i]=0|gamma1(W[i-2])+W[i-7]+gamma0(W[i-15])+W[i-16];for(var j=0;64>j;++j){var T1=0|h+sigma1(e)+ch(e,f,g)+K[j]+W[j],T2=0|sigma0(a)+maj(a,b,c);h=g,g=f,f=e,e=0|d+T1,d=c,c=b,b=a,a=0|T1+T2}this._a=0|a+this._a,this._b=0|b+this._b,this._c=0|c+this._c,this._d=0|d+this._d,this._e=0|e+this._e,this._f=0|f+this._f,this._g=0|g+this._g,this._h=0|h+this._h},Sha256.prototype._hash=function(){var H=Buffer.allocUnsafe(32);return H.writeInt32BE(this._a,0),H.writeInt32BE(this._b,4),H.writeInt32BE(this._c,8),H.writeInt32BE(this._d,12),H.writeInt32BE(this._e,16),H.writeInt32BE(this._f,20),H.writeInt32BE(this._g,24),H.writeInt32BE(this._h,28),H},module.exports=Sha256},{"./hash":236,inherits:146,"safe-buffer":234}],242:[function(require,module,exports){function Sha384(){this.init(),this._w=W,Hash.call(this,128,112)}var inherits=require("inherits"),SHA512=require("./sha512"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,W=Array(160);inherits(Sha384,SHA512),Sha384.prototype.init=function(){return this._ah=3418070365,this._bh=1654270250,this._ch=2438529370,this._dh=355462360,this._eh=1731405415,this._fh=2394180231,this._gh=3675008525,this._hh=1203062813,this._al=3238371032,this._bl=914150663,this._cl=812702999,this._dl=4144912697,this._el=4290775857,this._fl=1750603025,this._gl=1694076839,this._hl=3204075428,this},Sha384.prototype._hash=function(){function writeInt64BE(h,l,offset){H.writeInt32BE(h,offset),H.writeInt32BE(l,offset+4)}var H=Buffer.allocUnsafe(48);return writeInt64BE(this._ah,this._al,0),writeInt64BE(this._bh,this._bl,8),writeInt64BE(this._ch,this._cl,16),writeInt64BE(this._dh,this._dl,24),writeInt64BE(this._eh,this._el,32),writeInt64BE(this._fh,this._fl,40),H},module.exports=Sha384},{"./hash":236,"./sha512":243,inherits:146,"safe-buffer":234}],243:[function(require,module,exports){function Sha512(){this.init(),this._w=W,Hash.call(this,128,112)}function Ch(x,y,z){return z^x&(y^z)}function maj(x,y,z){return x&y|z&(x|y)}function sigma0(x,xl){return(x>>>28|xl<<4)^(xl>>>2|x<<30)^(xl>>>7|x<<25)}function sigma1(x,xl){return(x>>>14|xl<<18)^(x>>>18|xl<<14)^(xl>>>9|x<<23)}function Gamma0(x,xl){return(x>>>1|xl<<31)^(x>>>8|xl<<24)^x>>>7}function Gamma0l(x,xl){return(x>>>1|xl<<31)^(x>>>8|xl<<24)^(x>>>7|xl<<25)}function Gamma1(x,xl){return(x>>>19|xl<<13)^(xl>>>29|x<<3)^x>>>6}function Gamma1l(x,xl){return(x>>>19|xl<<13)^(xl>>>29|x<<3)^(x>>>6|xl<<26)}function getCarry(a,b){return a>>>0<b>>>0?1:0}var inherits=require("inherits"),Hash=require("./hash"),Buffer=require("safe-buffer").Buffer,K=[1116352408,3609767458,1899447441,602891725,3049323471,3964484399,3921009573,2173295548,961987163,4081628472,1508970993,3053834265,2453635748,2937671579,2870763221,3664609560,3624381080,2734883394,310598401,1164996542,607225278,1323610764,1426881987,3590304994,1925078388,4068182383,2162078206,991336113,2614888103,633803317,3248222580,3479774868,3835390401,2666613458,4022224774,944711139,264347078,2341262773,604807628,2007800933,770255983,1495990901,1249150122,1856431235,1555081692,3175218132,1996064986,2198950837,2554220882,3999719339,2821834349,766784016,2952996808,2566594879,3210313671,3203337956,3336571891,1034457026,3584528711,2466948901,113926993,3758326383,338241895,168717936,666307205,1188179964,773529912,1546045734,1294757372,1522805485,1396182291,2643833823,1695183700,2343527390,1986661051,1014477480,2177026350,1206759142,2456956037,344077627,2730485921,1290863460,2820302411,3158454273,3259730800,3505952657,3345764771,106217008,3516065817,3606008344,3600352804,1432725776,4094571909,1467031594,275423344,851169720,430227734,3100823752,506948616,1363258195,659060556,3750685593,883997877,3785050280,958139571,3318307427,1322822218,3812723403,1537002063,2003034995,1747873779,3602036899,1955562222,1575990012,2024104815,1125592928,2227730452,2716904306,2361852424,442776044,2428436474,593698344,2756734187,3733110249,3204031479,2999351573,3329325298,3815920427,3391569614,3928383900,3515267271,566280711,3940187606,3454069534,4118630271,4000239992,116418474,1914138554,174292421,2731055270,289380356,3203993006,460393269,320620315,685471733,587496836,852142971,1086792851,1017036298,365543100,1126000580,2618297676,1288033470,3409855158,1501505948,4234509866,1607167915,987167468,1816402316,1246189591],W=Array(160);inherits(Sha512,Hash),Sha512.prototype.init=function(){return this._ah=1779033703,this._bh=3144134277,this._ch=1013904242,this._dh=2773480762,this._eh=1359893119,this._fh=2600822924,this._gh=528734635,this._hh=1541459225,this._al=4089235720,this._bl=2227873595,this._cl=4271175723,this._dl=1595750129,this._el=2917565137,this._fl=725511199,this._gl=4215389547,this._hl=327033209,this},Sha512.prototype._update=function(M){for(var W=this._w,ah=0|this._ah,bh=0|this._bh,ch=0|this._ch,dh=0|this._dh,eh=0|this._eh,fh=0|this._fh,gh=0|this._gh,hh=0|this._hh,al=0|this._al,bl=0|this._bl,cl=0|this._cl,dl=0|this._dl,el=0|this._el,fl=0|this._fl,gl=0|this._gl,hl=0|this._hl,i=0;32>i;i+=2)W[i]=M.readInt32BE(4*i),W[i+1]=M.readInt32BE(4*i+4);for(;160>i;i+=2){var xh=W[i-30],xl=W[i-30+1],gamma0=Gamma0(xh,xl),gamma0l=Gamma0l(xl,xh);xh=W[i-4],xl=W[i-4+1];var gamma1=Gamma1(xh,xl),gamma1l=Gamma1l(xl,xh),Wi7h=W[i-14],Wi7l=W[i-14+1],Wi16h=W[i-32],Wi16l=W[i-32+1],Wil=0|gamma0l+Wi7l,Wih=0|gamma0+Wi7h+getCarry(Wil,gamma0l);Wil=0|Wil+gamma1l,Wih=0|Wih+gamma1+getCarry(Wil,gamma1l),Wil=0|Wil+Wi16l,Wih=0|Wih+Wi16h+getCarry(Wil,Wi16l),W[i]=Wih,W[i+1]=Wil}for(var j=0;160>j;j+=2){Wih=W[j],Wil=W[j+1];var majh=maj(ah,bh,ch),majl=maj(al,bl,cl),sigma0h=sigma0(ah,al),sigma0l=sigma0(al,ah),sigma1h=sigma1(eh,el),sigma1l=sigma1(el,eh),Kih=K[j],Kil=K[j+1],chh=Ch(eh,fh,gh),chl=Ch(el,fl,gl),t1l=0|hl+sigma1l,t1h=0|hh+sigma1h+getCarry(t1l,hl);t1l=0|t1l+chl,t1h=0|t1h+chh+getCarry(t1l,chl),t1l=0|t1l+Kil,t1h=0|t1h+Kih+getCarry(t1l,Kil),t1l=0|t1l+Wil,t1h=0|t1h+Wih+getCarry(t1l,Wil);var t2l=0|sigma0l+majl,t2h=0|sigma0h+majh+getCarry(t2l,sigma0l);hh=gh,hl=gl,gh=fh,gl=fl,fh=eh,fl=el,el=0|dl+t1l,eh=0|dh+t1h+getCarry(el,dl),dh=ch,dl=cl,ch=bh,cl=bl,bh=ah,bl=al,al=0|t1l+t2l,ah=0|t1h+t2h+getCarry(al,t1l)}this._al=0|this._al+al,this._bl=0|this._bl+bl,this._cl=0|this._cl+cl,this._dl=0|this._dl+dl,this._el=0|this._el+el,this._fl=0|this._fl+fl,this._gl=0|this._gl+gl,this._hl=0|this._hl+hl,this._ah=0|this._ah+ah+getCarry(this._al,al),this._bh=0|this._bh+bh+getCarry(this._bl,bl),this._ch=0|this._ch+ch+getCarry(this._cl,cl),this._dh=0|this._dh+dh+getCarry(this._dl,dl),this._eh=0|this._eh+eh+getCarry(this._el,el),this._fh=0|this._fh+fh+getCarry(this._fl,fl),this._gh=0|this._gh+gh+getCarry(this._gl,gl),this._hh=0|this._hh+hh+getCarry(this._hl,hl)},Sha512.prototype._hash=function(){function writeInt64BE(h,l,offset){H.writeInt32BE(h,offset),H.writeInt32BE(l,offset+4)}var H=Buffer.allocUnsafe(64);return writeInt64BE(this._ah,this._al,0),writeInt64BE(this._bh,this._bl,8),writeInt64BE(this._ch,this._cl,16),writeInt64BE(this._dh,this._dl,24),writeInt64BE(this._eh,this._el,32),writeInt64BE(this._fh,this._fl,40),writeInt64BE(this._gh,this._gl,48),writeInt64BE(this._hh,this._hl,56),H},module.exports=Sha512},{"./hash":236,inherits:146,"safe-buffer":234}],244:[function(require,module,exports){(function(Buffer){(function(){/*! simple-concat. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */module.exports=function(stream,cb){var chunks=[];stream.on("data",function(chunk){chunks.push(chunk)}),stream.once("end",function(){cb&&cb(null,Buffer.concat(chunks)),cb=null}),stream.once("error",function(err){cb&&cb(err),cb=null})}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75}],245:[function(require,module,exports){(function(Buffer){(function(){function simpleGet(opts,cb){if(opts=Object.assign({maxRedirects:10},"string"==typeof opts?{url:opts}:opts),cb=once(cb),opts.url){const{hostname,port,protocol,auth,path}=url.parse(opts.url);delete opts.url,hostname||port||protocol||auth?Object.assign(opts,{hostname,port,protocol,auth,path}):opts.path=path}const headers={"accept-encoding":"gzip, deflate"};opts.headers&&Object.keys(opts.headers).forEach(k=>headers[k.toLowerCase()]=opts.headers[k]),opts.headers=headers;let body;opts.body?body=opts.json&&!isStream(opts.body)?JSON.stringify(opts.body):opts.body:opts.form&&(body="string"==typeof opts.form?opts.form:querystring.stringify(opts.form),opts.headers["content-type"]="application/x-www-form-urlencoded"),body&&(!opts.method&&(opts.method="POST"),!isStream(body)&&(opts.headers["content-length"]=Buffer.byteLength(body)),opts.json&&!opts.form&&(opts.headers["content-type"]="application/json")),delete opts.body,delete opts.form,opts.json&&(opts.headers.accept="application/json"),opts.method&&(opts.method=opts.method.toUpperCase());const originalHost=opts.hostname,protocol="https:"===opts.protocol?https:http,req=protocol.request(opts,res=>{if(!1!==opts.followRedirects&&300<=res.statusCode&&400>res.statusCode&&res.headers.location){opts.url=res.headers.location,delete opts.headers.host,res.resume();const redirectHost=url.parse(opts.url).hostname;return null!==redirectHost&&redirectHost!==originalHost&&(delete opts.headers.cookie,delete opts.headers.authorization),"POST"===opts.method&&[301,302].includes(res.statusCode)&&(opts.method="GET",delete opts.headers["content-length"],delete opts.headers["content-type"]),0==opts.maxRedirects--?cb(new Error("too many redirects")):simpleGet(opts,cb)}const tryUnzip="function"==typeof decompressResponse&&"HEAD"!==opts.method;cb(null,tryUnzip?decompressResponse(res):res)});return req.on("timeout",()=>{req.abort(),cb(new Error("Request timed out"))}),req.on("error",cb),isStream(body)?body.on("error",cb).pipe(req):req.end(body),req}module.exports=simpleGet;const concat=require("simple-concat"),decompressResponse=require("decompress-response"),http=require("http"),https=require("https"),once=require("once"),querystring=require("querystring"),url=require("url"),isStream=o=>null!==o&&"object"==typeof o&&"function"==typeof o.pipe;simpleGet.concat=(opts,cb)=>simpleGet(opts,(err,res)=>err?cb(err):void concat(res,(err,data)=>{if(err)return cb(err);if(opts.json)try{data=JSON.parse(data.toString())}catch(err){return cb(err,res,data)}cb(null,res,data)})),["get","post","put","patch","head","delete"].forEach(method=>{simpleGet[method]=(opts,cb)=>("string"==typeof opts&&(opts={url:opts}),simpleGet(Object.assign({method:method.toUpperCase()},opts),cb))})}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75,"decompress-response":41,http:256,https:143,once:177,querystring:204,"simple-concat":244,url:273}],246:[function(require,module,exports){function filterTrickle(sdp){return sdp.replace(/a=ice-options:trickle\s\n/g,"")}function warn(message){console.warn(message)}/*! simple-peer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */const debug=require("debug")("simple-peer"),getBrowserRTC=require("get-browser-rtc"),randombytes=require("randombytes"),stream=require("readable-stream"),queueMicrotask=require("queue-microtask"),errCode=require("err-code"),{Buffer}=require("buffer"),MAX_BUFFERED_AMOUNT=65536,ICECOMPLETE_TIMEOUT=5000,CHANNEL_CLOSING_TIMEOUT=5000;class Peer extends stream.Duplex{constructor(opts){if(opts=Object.assign({allowHalfOpen:!1},opts),super(opts),this._id=randombytes(4).toString("hex").slice(0,7),this._debug("new peer %o",opts),this.channelName=opts.initiator?opts.channelName||randombytes(20).toString("hex"):null,this.initiator=opts.initiator||!1,this.channelConfig=opts.channelConfig||Peer.channelConfig,this.channelNegotiated=this.channelConfig.negotiated,this.config=Object.assign({},Peer.config,opts.config),this.offerOptions=opts.offerOptions||{},this.answerOptions=opts.answerOptions||{},this.sdpTransform=opts.sdpTransform||(sdp=>sdp),this.streams=opts.streams||(opts.stream?[opts.stream]:[]),this.trickle=void 0===opts.trickle||opts.trickle,this.allowHalfTrickle=void 0!==opts.allowHalfTrickle&&opts.allowHalfTrickle,this.iceCompleteTimeout=opts.iceCompleteTimeout||ICECOMPLETE_TIMEOUT,this.destroyed=!1,this.destroying=!1,this._connected=!1,this.remoteAddress=void 0,this.remoteFamily=void 0,this.remotePort=void 0,this.localAddress=void 0,this.localFamily=void 0,this.localPort=void 0,this._wrtc=opts.wrtc&&"object"==typeof opts.wrtc?opts.wrtc:getBrowserRTC(),!this._wrtc)if("undefined"==typeof window)throw errCode(new Error("No WebRTC support: Specify `opts.wrtc` option in this environment"),"ERR_WEBRTC_SUPPORT");else throw errCode(new Error("No WebRTC support: Not a supported browser"),"ERR_WEBRTC_SUPPORT");this._pcReady=!1,this._channelReady=!1,this._iceComplete=!1,this._iceCompleteTimer=null,this._channel=null,this._pendingCandidates=[],this._isNegotiating=!1,this._firstNegotiation=!0,this._batchedNegotiation=!1,this._queuedNegotiation=!1,this._sendersAwaitingStable=[],this._senderMap=new Map,this._closingInterval=null,this._remoteTracks=[],this._remoteStreams=[],this._chunk=null,this._cb=null,this._interval=null;try{this._pc=new this._wrtc.RTCPeerConnection(this.config)}catch(err){return void this.destroy(errCode(err,"ERR_PC_CONSTRUCTOR"))}this._isReactNativeWebrtc="number"==typeof this._pc._peerConnectionId,this._pc.oniceconnectionstatechange=()=>{this._onIceStateChange()},this._pc.onicegatheringstatechange=()=>{this._onIceStateChange()},this._pc.onconnectionstatechange=()=>{this._onConnectionStateChange()},this._pc.onsignalingstatechange=()=>{this._onSignalingStateChange()},this._pc.onicecandidate=event=>{this._onIceCandidate(event)},"object"==typeof this._pc.peerIdentity&&this._pc.peerIdentity.catch(err=>{this.destroy(errCode(err,"ERR_PC_PEER_IDENTITY"))}),this.initiator||this.channelNegotiated?this._setupData({channel:this._pc.createDataChannel(this.channelName,this.channelConfig)}):this._pc.ondatachannel=event=>{this._setupData(event)},this.streams&&this.streams.forEach(stream=>{this.addStream(stream)}),this._pc.ontrack=event=>{this._onTrack(event)},this._debug("initial negotiation"),this._needsNegotiation(),this._onFinishBound=()=>{this._onFinish()},this.once("finish",this._onFinishBound)}get bufferSize(){return this._channel&&this._channel.bufferedAmount||0}get connected(){return this._connected&&"open"===this._channel.readyState}address(){return{port:this.localPort,family:this.localFamily,address:this.localAddress}}signal(data){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot signal after peer is destroyed"),"ERR_DESTROYED");if("string"==typeof data)try{data=JSON.parse(data)}catch(err){data={}}this._debug("signal()"),data.renegotiate&&this.initiator&&(this._debug("got request to renegotiate"),this._needsNegotiation()),data.transceiverRequest&&this.initiator&&(this._debug("got request for transceiver"),this.addTransceiver(data.transceiverRequest.kind,data.transceiverRequest.init)),data.candidate&&(this._pc.remoteDescription&&this._pc.remoteDescription.type?this._addIceCandidate(data.candidate):this._pendingCandidates.push(data.candidate)),data.sdp&&this._pc.setRemoteDescription(new this._wrtc.RTCSessionDescription(data)).then(()=>{this.destroyed||(this._pendingCandidates.forEach(candidate=>{this._addIceCandidate(candidate)}),this._pendingCandidates=[],"offer"===this._pc.remoteDescription.type&&this._createAnswer())}).catch(err=>{this.destroy(errCode(err,"ERR_SET_REMOTE_DESCRIPTION"))}),data.sdp||data.candidate||data.renegotiate||data.transceiverRequest||this.destroy(errCode(new Error("signal() called with invalid signal data"),"ERR_SIGNALING"))}}_addIceCandidate(candidate){const iceCandidateObj=new this._wrtc.RTCIceCandidate(candidate);this._pc.addIceCandidate(iceCandidateObj).catch(err=>{!iceCandidateObj.address||iceCandidateObj.address.endsWith(".local")?warn("Ignoring unsupported ICE candidate."):this.destroy(errCode(err,"ERR_ADD_ICE_CANDIDATE"))})}send(chunk){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot send after peer is destroyed"),"ERR_DESTROYED");this._channel.send(chunk)}}addTransceiver(kind,init){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot addTransceiver after peer is destroyed"),"ERR_DESTROYED");if(this._debug("addTransceiver()"),this.initiator)try{this._pc.addTransceiver(kind,init),this._needsNegotiation()}catch(err){this.destroy(errCode(err,"ERR_ADD_TRANSCEIVER"))}else this.emit("signal",{type:"transceiverRequest",transceiverRequest:{kind,init}})}}addStream(stream){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot addStream after peer is destroyed"),"ERR_DESTROYED");this._debug("addStream()"),stream.getTracks().forEach(track=>{this.addTrack(track,stream)})}}addTrack(track,stream){if(this.destroying)return;if(this.destroyed)throw errCode(new Error("cannot addTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("addTrack()");const submap=this._senderMap.get(track)||new Map;let sender=submap.get(stream);if(!sender)sender=this._pc.addTrack(track,stream),submap.set(stream,sender),this._senderMap.set(track,submap),this._needsNegotiation();else if(sender.removed)throw errCode(new Error("Track has been removed. You should enable/disable tracks that you want to re-add."),"ERR_SENDER_REMOVED");else throw errCode(new Error("Track has already been added to that stream."),"ERR_SENDER_ALREADY_ADDED")}replaceTrack(oldTrack,newTrack,stream){if(this.destroying)return;if(this.destroyed)throw errCode(new Error("cannot replaceTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("replaceTrack()");const submap=this._senderMap.get(oldTrack),sender=submap?submap.get(stream):null;if(!sender)throw errCode(new Error("Cannot replace track that was never added."),"ERR_TRACK_NOT_ADDED");newTrack&&this._senderMap.set(newTrack,submap),null==sender.replaceTrack?this.destroy(errCode(new Error("replaceTrack is not supported in this browser"),"ERR_UNSUPPORTED_REPLACETRACK")):sender.replaceTrack(newTrack)}removeTrack(track,stream){if(this.destroying)return;if(this.destroyed)throw errCode(new Error("cannot removeTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("removeSender()");const submap=this._senderMap.get(track),sender=submap?submap.get(stream):null;if(!sender)throw errCode(new Error("Cannot remove track that was never added."),"ERR_TRACK_NOT_ADDED");try{sender.removed=!0,this._pc.removeTrack(sender)}catch(err){"NS_ERROR_UNEXPECTED"===err.name?this._sendersAwaitingStable.push(sender):this.destroy(errCode(err,"ERR_REMOVE_TRACK"))}this._needsNegotiation()}removeStream(stream){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot removeStream after peer is destroyed"),"ERR_DESTROYED");this._debug("removeSenders()"),stream.getTracks().forEach(track=>{this.removeTrack(track,stream)})}}_needsNegotiation(){this._debug("_needsNegotiation");this._batchedNegotiation||(this._batchedNegotiation=!0,queueMicrotask(()=>{this._batchedNegotiation=!1,this.initiator||!this._firstNegotiation?(this._debug("starting batched negotiation"),this.negotiate()):this._debug("non-initiator initial negotiation request discarded"),this._firstNegotiation=!1}))}negotiate(){if(!this.destroying){if(this.destroyed)throw errCode(new Error("cannot negotiate after peer is destroyed"),"ERR_DESTROYED");this.initiator?this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, queueing")):(this._debug("start negotiation"),setTimeout(()=>{this._createOffer()},0)):this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, queueing")):(this._debug("requesting negotiation from initiator"),this.emit("signal",{type:"renegotiate",renegotiate:!0})),this._isNegotiating=!0}}destroy(err){this._destroy(err,()=>{})}_destroy(err,cb){this.destroyed||this.destroying||(this.destroying=!0,this._debug("destroying (error: %s)",err&&(err.message||err)),queueMicrotask(()=>{if(this.destroyed=!0,this.destroying=!1,this._debug("destroy (error: %s)",err&&(err.message||err)),this.readable=this.writable=!1,this._readableState.ended||this.push(null),this._writableState.finished||this.end(),this._connected=!1,this._pcReady=!1,this._channelReady=!1,this._remoteTracks=null,this._remoteStreams=null,this._senderMap=null,clearInterval(this._closingInterval),this._closingInterval=null,clearInterval(this._interval),this._interval=null,this._chunk=null,this._cb=null,this._onFinishBound&&this.removeListener("finish",this._onFinishBound),this._onFinishBound=null,this._channel){try{this._channel.close()}catch(err){}this._channel.onmessage=null,this._channel.onopen=null,this._channel.onclose=null,this._channel.onerror=null}if(this._pc){try{this._pc.close()}catch(err){}this._pc.oniceconnectionstatechange=null,this._pc.onicegatheringstatechange=null,this._pc.onsignalingstatechange=null,this._pc.onicecandidate=null,this._pc.ontrack=null,this._pc.ondatachannel=null}this._pc=null,this._channel=null,err&&this.emit("error",err),this.emit("close"),cb()}))}_setupData(event){if(!event.channel)return this.destroy(errCode(new Error("Data channel event is missing `channel` property"),"ERR_DATA_CHANNEL"));this._channel=event.channel,this._channel.binaryType="arraybuffer","number"==typeof this._channel.bufferedAmountLowThreshold&&(this._channel.bufferedAmountLowThreshold=MAX_BUFFERED_AMOUNT),this.channelName=this._channel.label,this._channel.onmessage=event=>{this._onChannelMessage(event)},this._channel.onbufferedamountlow=()=>{this._onChannelBufferedAmountLow()},this._channel.onopen=()=>{this._onChannelOpen()},this._channel.onclose=()=>{this._onChannelClose()},this._channel.onerror=event=>{const err=event.error instanceof Error?event.error:new Error(`Datachannel error: ${event.message} ${event.filename}:${event.lineno}:${event.colno}`);this.destroy(errCode(err,"ERR_DATA_CHANNEL"))};let isClosing=!1;this._closingInterval=setInterval(()=>{this._channel&&"closing"===this._channel.readyState?(isClosing&&this._onChannelClose(),isClosing=!0):isClosing=!1},CHANNEL_CLOSING_TIMEOUT)}_read(){}_write(chunk,encoding,cb){if(this.destroyed)return cb(errCode(new Error("cannot write after peer is destroyed"),"ERR_DATA_CHANNEL"));if(this._connected){try{this.send(chunk)}catch(err){return this.destroy(errCode(err,"ERR_DATA_CHANNEL"))}this._channel.bufferedAmount>MAX_BUFFERED_AMOUNT?(this._debug("start backpressure: bufferedAmount %d",this._channel.bufferedAmount),this._cb=cb):cb(null)}else this._debug("write before connect"),this._chunk=chunk,this._cb=cb}_onFinish(){if(!this.destroyed){const destroySoon=()=>{setTimeout(()=>this.destroy(),1e3)};this._connected?destroySoon():this.once("connect",destroySoon)}}_startIceCompleteTimeout(){this.destroyed||this._iceCompleteTimer||(this._debug("started iceComplete timeout"),this._iceCompleteTimer=setTimeout(()=>{this._iceComplete||(this._iceComplete=!0,this._debug("iceComplete timeout completed"),this.emit("iceTimeout"),this.emit("_iceComplete"))},this.iceCompleteTimeout))}_createOffer(){this.destroyed||this._pc.createOffer(this.offerOptions).then(offer=>{if(this.destroyed)return;this.trickle||this.allowHalfTrickle||(offer.sdp=filterTrickle(offer.sdp)),offer.sdp=this.sdpTransform(offer.sdp);const sendOffer=()=>{if(!this.destroyed){const signal=this._pc.localDescription||offer;this._debug("signal"),this.emit("signal",{type:signal.type,sdp:signal.sdp})}},onSuccess=()=>{this._debug("createOffer success");this.destroyed||(this.trickle||this._iceComplete?sendOffer():this.once("_iceComplete",sendOffer))},onError=err=>{this.destroy(errCode(err,"ERR_SET_LOCAL_DESCRIPTION"))};this._pc.setLocalDescription(offer).then(onSuccess).catch(onError)}).catch(err=>{this.destroy(errCode(err,"ERR_CREATE_OFFER"))})}_requestMissingTransceivers(){this._pc.getTransceivers&&this._pc.getTransceivers().forEach(transceiver=>{transceiver.mid||!transceiver.sender.track||transceiver.requested||(transceiver.requested=!0,this.addTransceiver(transceiver.sender.track.kind))})}_createAnswer(){this.destroyed||this._pc.createAnswer(this.answerOptions).then(answer=>{if(this.destroyed)return;this.trickle||this.allowHalfTrickle||(answer.sdp=filterTrickle(answer.sdp)),answer.sdp=this.sdpTransform(answer.sdp);const sendAnswer=()=>{if(!this.destroyed){const signal=this._pc.localDescription||answer;this._debug("signal"),this.emit("signal",{type:signal.type,sdp:signal.sdp}),this.initiator||this._requestMissingTransceivers()}},onSuccess=()=>{this.destroyed||(this.trickle||this._iceComplete?sendAnswer():this.once("_iceComplete",sendAnswer))},onError=err=>{this.destroy(errCode(err,"ERR_SET_LOCAL_DESCRIPTION"))};this._pc.setLocalDescription(answer).then(onSuccess).catch(onError)}).catch(err=>{this.destroy(errCode(err,"ERR_CREATE_ANSWER"))})}_onConnectionStateChange(){this.destroyed||"failed"===this._pc.connectionState&&this.destroy(errCode(new Error("Connection failed."),"ERR_CONNECTION_FAILURE"))}_onIceStateChange(){if(this.destroyed)return;const iceConnectionState=this._pc.iceConnectionState,iceGatheringState=this._pc.iceGatheringState;this._debug("iceStateChange (connection: %s) (gathering: %s)",iceConnectionState,iceGatheringState),this.emit("iceStateChange",iceConnectionState,iceGatheringState),("connected"===iceConnectionState||"completed"===iceConnectionState)&&(this._pcReady=!0,this._maybeReady()),"failed"===iceConnectionState&&this.destroy(errCode(new Error("Ice connection failed."),"ERR_ICE_CONNECTION_FAILURE")),"closed"===iceConnectionState&&this.destroy(errCode(new Error("Ice connection closed."),"ERR_ICE_CONNECTION_CLOSED"))}getStats(cb){const flattenValues=report=>("[object Array]"===Object.prototype.toString.call(report.values)&&report.values.forEach(value=>{Object.assign(report,value)}),report);0===this._pc.getStats.length||this._isReactNativeWebrtc?this._pc.getStats().then(res=>{const reports=[];res.forEach(report=>{reports.push(flattenValues(report))}),cb(null,reports)},err=>cb(err)):0<this._pc.getStats.length?this._pc.getStats(res=>{if(this.destroyed)return;const reports=[];res.result().forEach(result=>{const report={};result.names().forEach(name=>{report[name]=result.stat(name)}),report.id=result.id,report.type=result.type,report.timestamp=result.timestamp,reports.push(flattenValues(report))}),cb(null,reports)},err=>cb(err)):cb(null,[])}_maybeReady(){if(this._debug("maybeReady pc %s channel %s",this._pcReady,this._channelReady),this._connected||this._connecting||!this._pcReady||!this._channelReady)return;this._connecting=!0;const findCandidatePair=()=>{this.destroyed||this.getStats((err,items)=>{if(this.destroyed)return;err&&(items=[]);const remoteCandidates={},localCandidates={},candidatePairs={};let foundSelectedCandidatePair=!1;items.forEach(item=>{("remotecandidate"===item.type||"remote-candidate"===item.type)&&(remoteCandidates[item.id]=item),("localcandidate"===item.type||"local-candidate"===item.type)&&(localCandidates[item.id]=item),("candidatepair"===item.type||"candidate-pair"===item.type)&&(candidatePairs[item.id]=item)});const setSelectedCandidatePair=selectedCandidatePair=>{foundSelectedCandidatePair=!0;let local=localCandidates[selectedCandidatePair.localCandidateId];local&&(local.ip||local.address)?(this.localAddress=local.ip||local.address,this.localPort=+local.port):local&&local.ipAddress?(this.localAddress=local.ipAddress,this.localPort=+local.portNumber):"string"==typeof selectedCandidatePair.googLocalAddress&&(local=selectedCandidatePair.googLocalAddress.split(":"),this.localAddress=local[0],this.localPort=+local[1]),this.localAddress&&(this.localFamily=this.localAddress.includes(":")?"IPv6":"IPv4");let remote=remoteCandidates[selectedCandidatePair.remoteCandidateId];remote&&(remote.ip||remote.address)?(this.remoteAddress=remote.ip||remote.address,this.remotePort=+remote.port):remote&&remote.ipAddress?(this.remoteAddress=remote.ipAddress,this.remotePort=+remote.portNumber):"string"==typeof selectedCandidatePair.googRemoteAddress&&(remote=selectedCandidatePair.googRemoteAddress.split(":"),this.remoteAddress=remote[0],this.remotePort=+remote[1]),this.remoteAddress&&(this.remoteFamily=this.remoteAddress.includes(":")?"IPv6":"IPv4"),this._debug("connect local: %s:%s remote: %s:%s",this.localAddress,this.localPort,this.remoteAddress,this.remotePort)};if(items.forEach(item=>{"transport"===item.type&&item.selectedCandidatePairId&&setSelectedCandidatePair(candidatePairs[item.selectedCandidatePairId]),("googCandidatePair"===item.type&&"true"===item.googActiveConnection||("candidatepair"===item.type||"candidate-pair"===item.type)&&item.selected)&&setSelectedCandidatePair(item)}),!foundSelectedCandidatePair&&(!Object.keys(candidatePairs).length||Object.keys(localCandidates).length))return void setTimeout(findCandidatePair,100);if(this._connecting=!1,this._connected=!0,this._chunk){try{this.send(this._chunk)}catch(err){return this.destroy(errCode(err,"ERR_DATA_CHANNEL"))}this._chunk=null,this._debug("sent chunk from \"write before connect\"");const cb=this._cb;this._cb=null,cb(null)}"number"!=typeof this._channel.bufferedAmountLowThreshold&&(this._interval=setInterval(()=>this._onInterval(),150),this._interval.unref&&this._interval.unref()),this._debug("connect"),this.emit("connect")})};findCandidatePair()}_onInterval(){this._cb&&this._channel&&!(this._channel.bufferedAmount>MAX_BUFFERED_AMOUNT)&&this._onChannelBufferedAmountLow()}_onSignalingStateChange(){this.destroyed||("stable"===this._pc.signalingState&&(this._isNegotiating=!1,this._debug("flushing sender queue",this._sendersAwaitingStable),this._sendersAwaitingStable.forEach(sender=>{this._pc.removeTrack(sender),this._queuedNegotiation=!0}),this._sendersAwaitingStable=[],this._queuedNegotiation?(this._debug("flushing negotiation queue"),this._queuedNegotiation=!1,this._needsNegotiation()):(this._debug("negotiated"),this.emit("negotiated"))),this._debug("signalingStateChange %s",this._pc.signalingState),this.emit("signalingStateChange",this._pc.signalingState))}_onIceCandidate(event){this.destroyed||(event.candidate&&this.trickle?this.emit("signal",{type:"candidate",candidate:{candidate:event.candidate.candidate,sdpMLineIndex:event.candidate.sdpMLineIndex,sdpMid:event.candidate.sdpMid}}):!event.candidate&&!this._iceComplete&&(this._iceComplete=!0,this.emit("_iceComplete")),event.candidate&&this._startIceCompleteTimeout())}_onChannelMessage(event){if(this.destroyed)return;let data=event.data;data instanceof ArrayBuffer&&(data=Buffer.from(data)),this.push(data)}_onChannelBufferedAmountLow(){if(!this.destroyed&&this._cb){this._debug("ending backpressure: bufferedAmount %d",this._channel.bufferedAmount);const cb=this._cb;this._cb=null,cb(null)}}_onChannelOpen(){this._connected||this.destroyed||(this._debug("on channel open"),this._channelReady=!0,this._maybeReady())}_onChannelClose(){this.destroyed||(this._debug("on channel close"),this.destroy())}_onTrack(event){this.destroyed||event.streams.forEach(eventStream=>{this._debug("on track"),this.emit("track",event.track,eventStream),this._remoteTracks.push({track:event.track,stream:eventStream});this._remoteStreams.some(remoteStream=>remoteStream.id===eventStream.id)||(this._remoteStreams.push(eventStream),queueMicrotask(()=>{this._debug("on stream"),this.emit("stream",eventStream)}))})}_debug(){const args=[].slice.call(arguments);args[0]="["+this._id+"] "+args[0],debug.apply(null,args)}}Peer.WEBRTC_SUPPORT=!!getBrowserRTC(),Peer.config={iceServers:[{urls:["stun:stun.l.google.com:19302","stun:global.stun.twilio.com:3478"]}],sdpSemantics:"unified-plan"},Peer.channelConfig={},module.exports=Peer},{buffer:75,debug:90,"err-code":121,"get-browser-rtc":128,"queue-microtask":205,randombytes:208,"readable-stream":227}],247:[function(require,module,exports){function sha1sync(buf){return rusha.digest(buf)}function sha1(buf,cb){return subtle?void("string"==typeof buf&&(buf=uint8array(buf)),subtle.digest({name:"sha-1"},buf).then(function succeed(result){cb(hex(new Uint8Array(result)))},function fail(){cb(sha1sync(buf))})):void("undefined"==typeof window?queueMicrotask(()=>cb(sha1sync(buf))):rushaWorkerSha1(buf,function onRushaWorkerSha1(err,hash){return err?void cb(sha1sync(buf)):void cb(hash)}))}function uint8array(s){const l=s.length,array=new Uint8Array(l);for(let i=0;i<l;i++)array[i]=s.charCodeAt(i);return array}function hex(buf){const l=buf.length,chars=[];for(let i=0;i<l;i++){const bite=buf[i];chars.push((bite>>>4).toString(16)),chars.push((15&bite).toString(16))}return chars.join("")}const Rusha=require("rusha"),rushaWorkerSha1=require("./rusha-worker-sha1"),rusha=new Rusha,scope="undefined"==typeof window?self:window,crypto=scope.crypto||scope.msCrypto||{};let subtle=crypto.subtle||crypto.webkitSubtle;try{subtle.digest({name:"sha-1"},new Uint8Array).catch(function(){subtle=!1})}catch(err){subtle=!1}module.exports=sha1,module.exports.sync=sha1sync},{"./rusha-worker-sha1":248,rusha:233}],248:[function(require,module,exports){function init(){worker=Rusha.createWorker(),nextTaskId=1,cbs={},worker.onmessage=function onRushaMessage(e){const taskId=e.data.id,cb=cbs[taskId];delete cbs[taskId],null==e.data.error?cb(null,e.data.hash):cb(new Error("Rusha worker error: "+e.data.error))}}function sha1(buf,cb){worker||init(),cbs[nextTaskId]=cb,worker.postMessage({id:nextTaskId,data:buf}),nextTaskId+=1}const Rusha=require("rusha");let worker,nextTaskId,cbs;module.exports=sha1},{rusha:233}],249:[function(require,module,exports){(function(Buffer){(function(){/*! simple-websocket. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */const debug=require("debug")("simple-websocket"),randombytes=require("randombytes"),stream=require("readable-stream"),queueMicrotask=require("queue-microtask"),ws=require("ws"),_WebSocket="function"==typeof ws?ws:WebSocket,MAX_BUFFERED_AMOUNT=65536;class Socket extends stream.Duplex{constructor(opts={}){if("string"==typeof opts&&(opts={url:opts}),opts=Object.assign({allowHalfOpen:!1},opts),super(opts),null==opts.url&&null==opts.socket)throw new Error("Missing required `url` or `socket` option");if(null!=opts.url&&null!=opts.socket)throw new Error("Must specify either `url` or `socket` option, not both");if(this._id=randombytes(4).toString("hex").slice(0,7),this._debug("new websocket: %o",opts),this.connected=!1,this.destroyed=!1,this._chunk=null,this._cb=null,this._interval=null,opts.socket)this.url=opts.socket.url,this._ws=opts.socket,this.connected=opts.socket.readyState===_WebSocket.OPEN;else{this.url=opts.url;try{this._ws="function"==typeof ws?new _WebSocket(opts.url,null,{...opts,encoding:void 0}):new _WebSocket(opts.url)}catch(err){return void queueMicrotask(()=>this.destroy(err))}}this._ws.binaryType="arraybuffer",opts.socket&&this.connected?queueMicrotask(()=>this._handleOpen()):this._ws.onopen=()=>this._handleOpen(),this._ws.onmessage=event=>this._handleMessage(event),this._ws.onclose=()=>this._handleClose(),this._ws.onerror=err=>this._handleError(err),this._handleFinishBound=()=>this._handleFinish(),this.once("finish",this._handleFinishBound)}send(chunk){this._ws.send(chunk)}destroy(err){this._destroy(err,()=>{})}_destroy(err,cb){if(!this.destroyed){if(this._debug("destroy (error: %s)",err&&(err.message||err)),this.readable=this.writable=!1,this._readableState.ended||this.push(null),this._writableState.finished||this.end(),this.connected=!1,this.destroyed=!0,clearInterval(this._interval),this._interval=null,this._chunk=null,this._cb=null,this._handleFinishBound&&this.removeListener("finish",this._handleFinishBound),this._handleFinishBound=null,this._ws){const ws=this._ws,onClose=()=>{ws.onclose=null};if(ws.readyState===_WebSocket.CLOSED)onClose();else try{ws.onclose=onClose,ws.close()}catch(err){onClose()}ws.onopen=null,ws.onmessage=null,ws.onerror=()=>{}}this._ws=null,err&&this.emit("error",err),this.emit("close"),cb()}}_read(){}_write(chunk,encoding,cb){if(this.destroyed)return cb(new Error("cannot write after socket is destroyed"));if(this.connected){try{this.send(chunk)}catch(err){return this.destroy(err)}"function"!=typeof ws&&this._ws.bufferedAmount>MAX_BUFFERED_AMOUNT?(this._debug("start backpressure: bufferedAmount %d",this._ws.bufferedAmount),this._cb=cb):cb(null)}else this._debug("write before connect"),this._chunk=chunk,this._cb=cb}_handleOpen(){if(!(this.connected||this.destroyed)){if(this.connected=!0,this._chunk){try{this.send(this._chunk)}catch(err){return this.destroy(err)}this._chunk=null,this._debug("sent chunk from \"write before connect\"");const cb=this._cb;this._cb=null,cb(null)}"function"!=typeof ws&&(this._interval=setInterval(()=>this._onInterval(),150),this._interval.unref&&this._interval.unref()),this._debug("connect"),this.emit("connect")}}_handleMessage(event){if(this.destroyed)return;let data=event.data;data instanceof ArrayBuffer&&(data=Buffer.from(data)),this.push(data)}_handleClose(){this.destroyed||(this._debug("on close"),this.destroy())}_handleError(_){this.destroy(new Error(`Error connecting to ${this.url}`))}_handleFinish(){if(!this.destroyed){const destroySoon=()=>{setTimeout(()=>this.destroy(),1e3)};this.connected?destroySoon():this.once("connect",destroySoon)}}_onInterval(){if(this._cb&&this._ws&&!(this._ws.bufferedAmount>MAX_BUFFERED_AMOUNT)){this._debug("ending backpressure: bufferedAmount %d",this._ws.bufferedAmount);const cb=this._cb;this._cb=null,cb(null)}}_debug(){const args=[].slice.call(arguments);args[0]="["+this._id+"] "+args[0],debug.apply(null,args)}}Socket.WEBSOCKET_SUPPORT=!!_WebSocket,module.exports=Socket}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75,debug:90,"queue-microtask":205,randombytes:208,"readable-stream":227,ws:41}],250:[function(require,module,exports){const Throttle=require("./lib/throttle"),ThrottleGroup=require("./lib/throttle-group");module.exports={Throttle,ThrottleGroup}},{"./lib/throttle":252,"./lib/throttle-group":251}],251:[function(require,module,exports){var _NumberisInteger=Number.isInteger;const{TokenBucket}=require("limiter"),Throttle=require("./throttle");class ThrottleGroup{constructor(opts={}){if("object"!=typeof opts)throw new Error("Options must be an object");this.throttles=[],this.setEnabled(opts.enabled),this.setRate(opts.rate,opts.chunksize)}getEnabled(){return this._enabled}getRate(){return this.bucket.tokensPerInterval}getChunksize(){return this.chunksize}setEnabled(val=!0){if("boolean"!=typeof val)throw new Error("Enabled must be a boolean");this._enabled=val;for(const throttle of this.throttles)throttle.setEnabled(val)}setRate(rate,chunksize=null){if(!_NumberisInteger(rate)||0>rate)throw new Error("Rate must be an integer bigger than zero");if(rate=parseInt(rate),chunksize&&("number"!=typeof chunksize||0>=chunksize))throw new Error("Chunksize must be bigger than zero");if(chunksize=chunksize||_Mathmax(parseInt(rate/10),1),chunksize=parseInt(chunksize),0<rate&&chunksize>rate)throw new Error("Chunk size must be smaller than rate");this.bucket||(this.bucket=new TokenBucket(rate,rate,"second",null)),this.bucket.bucketSize=rate,this.bucket.tokensPerInterval=rate,this.chunksize=chunksize}setChunksize(chunksize){if(!_NumberisInteger(chunksize)||0>=chunksize)throw new Error("Chunk size must be an integer bigger than zero");const rate=this.getRate();if(chunksize=parseInt(chunksize),0<rate&&chunksize>rate)throw new Error("Chunk size must be smaller than rate");this.chunksize=chunksize}throttle(opts={}){if("object"!=typeof opts)throw new Error("Options must be an object");const newThrottle=new Throttle({...opts,group:this});return newThrottle}destroy(){for(const throttle of this.throttles)throttle.destroy();this.throttles=[]}_addThrottle(throttle){if(!(throttle instanceof Throttle))throw new Error("Throttle must be an instance of Throttle");this.throttles.push(throttle)}_removeThrottle(throttle){const index=this.throttles.indexOf(throttle);-1<index&&this.throttles.splice(index,1)}}module.exports=ThrottleGroup},{"./throttle":252,limiter:151}],252:[function(require,module,exports){const{EventEmitter}=require("events"),{Transform}=require("streamx"),{wait}=require("./utils");class Throttle extends Transform{constructor(opts={}){if(super(),"object"!=typeof opts)throw new Error("Options must be an object");const params=Object.assign({},opts);if(params.group&&!(params.group instanceof ThrottleGroup))throw new Error("Group must be an instanece of ThrottleGroup");else params.group||(params.group=new ThrottleGroup(params));this._setEnabled(params.enabled||params.group.enabled),this._group=params.group,this._emitter=new EventEmitter,this._destroyed=!1,this._group._addThrottle(this)}getEnabled(){return this._enabled}getGroup(){return this._group}_setEnabled(val=!0){if("boolean"!=typeof val)throw new Error("Enabled must be a boolean");this._enabled=val}setEnabled(val){this._setEnabled(val),this._enabled?this._emitter.emit("enabled"):this._emitter.emit("disabled")}_transform(chunk,done){this._processChunk(chunk,done)}async _waitForTokens(amount){return new Promise((resolve,reject)=>{function isDone(err){if(self._emitter.removeListener("disabled",isDone),self._emitter.removeListener("destroyed",isDone),!done)return done=!0,err?reject(err):void resolve()}let done=!1;const self=this;this._emitter.once("disabled",isDone),this._emitter.once("destroyed",isDone),this._group.bucket.removeTokens(amount,isDone)})}_areBothEnabled(){return this._enabled&&this._group.getEnabled()}async _processChunk(chunk,done){if(!this._areBothEnabled())return done(null,chunk);let pos=0,chunksize=this._group.getChunksize(),slice=chunk.slice(pos,pos+chunksize);for(;0<slice.length;){if(this._areBothEnabled())try{for(;0===this._group.getRate()&&!this._destroyed&&this._areBothEnabled();)if(await wait(1e3),this._destroyed)return;if(this._areBothEnabled()&&!this._group.bucket.tryRemoveTokens(slice.length)&&(await this._waitForTokens(slice.length),this._destroyed))return}catch(err){return done(err)}this.push(slice),pos+=chunksize,chunksize=this._areBothEnabled()?this._group.getChunksize():chunk.length-pos,slice=chunk.slice(pos,pos+chunksize)}return done()}destroy(...args){this._group._removeThrottle(this),this._destroyed=!0,this._emitter.emit("destroyed"),super.destroy(...args)}}module.exports=Throttle;const ThrottleGroup=require("./throttle-group")},{"./throttle-group":251,"./utils":253,events:122,streamx:263}],253:[function(require,module,exports){function wait(time){return new Promise(resolve=>setTimeout(resolve,time))}module.exports={wait}},{}],254:[function(require,module,exports){var tick=1,maxTick=65535,resolution=4,inc=function(){tick=tick+1&maxTick},timer;module.exports=function(seconds){timer||(timer=setInterval(inc,0|1e3/resolution),timer.unref&&timer.unref());var size=resolution*(seconds||5),buffer=[0],pointer=1,last=tick-1&maxTick;return function(delta){var dist=tick-last&maxTick;for(dist>size&&(dist=size),last=tick;dist--;)pointer===size&&(pointer=0),buffer[pointer]=buffer[0===pointer?size-1:pointer-1],pointer++;delta&&(buffer[pointer-1]+=delta);var top=buffer[pointer-1],btm=buffer.length<size?0:buffer[pointer===size?0:pointer];return buffer.length<resolution?top:(top-btm)*resolution/buffer.length}}},{}],255:[function(require,module,exports){function Stream(){EE.call(this)}module.exports=Stream;var EE=require("events").EventEmitter,inherits=require("inherits");inherits(Stream,EE),Stream.Readable=require("readable-stream/lib/_stream_readable.js"),Stream.Writable=require("readable-stream/lib/_stream_writable.js"),Stream.Duplex=require("readable-stream/lib/_stream_duplex.js"),Stream.Transform=require("readable-stream/lib/_stream_transform.js"),Stream.PassThrough=require("readable-stream/lib/_stream_passthrough.js"),Stream.finished=require("readable-stream/lib/internal/streams/end-of-stream.js"),Stream.pipeline=require("readable-stream/lib/internal/streams/pipeline.js"),Stream.Stream=Stream,Stream.prototype.pipe=function(dest,options){function ondata(chunk){dest.writable&&!1===dest.write(chunk)&&source.pause&&source.pause()}function ondrain(){source.readable&&source.resume&&source.resume()}function onend(){didOnEnd||(didOnEnd=!0,dest.end())}function onclose(){didOnEnd||(didOnEnd=!0,"function"==typeof dest.destroy&&dest.destroy())}function onerror(er){if(cleanup(),0===EE.listenerCount(this,"error"))throw er}function cleanup(){source.removeListener("data",ondata),dest.removeListener("drain",ondrain),source.removeListener("end",onend),source.removeListener("close",onclose),source.removeListener("error",onerror),dest.removeListener("error",onerror),source.removeListener("end",cleanup),source.removeListener("close",cleanup),dest.removeListener("close",cleanup)}var source=this;source.on("data",ondata),dest.on("drain",ondrain),dest._isStdio||options&&!1===options.end||(source.on("end",onend),source.on("close",onclose));var didOnEnd=!1;return source.on("error",onerror),dest.on("error",onerror),source.on("end",cleanup),source.on("close",cleanup),dest.on("close",cleanup),dest.emit("pipe",source),dest}},{events:122,inherits:146,"readable-stream/lib/_stream_duplex.js":214,"readable-stream/lib/_stream_passthrough.js":215,"readable-stream/lib/_stream_readable.js":216,"readable-stream/lib/_stream_transform.js":217,"readable-stream/lib/_stream_writable.js":218,"readable-stream/lib/internal/streams/end-of-stream.js":222,"readable-stream/lib/internal/streams/pipeline.js":224}],256:[function(require,module,exports){(function(global){(function(){var ClientRequest=require("./lib/request"),response=require("./lib/response"),extend=require("xtend"),statusCodes=require("builtin-status-codes"),url=require("url"),http=exports;http.request=function(opts,cb){opts="string"==typeof opts?url.parse(opts):extend(opts);var defaultProtocol=-1===global.location.protocol.search(/^https?:$/)?"http:":"",protocol=opts.protocol||defaultProtocol,host=opts.hostname||opts.host,port=opts.port,path=opts.path||"/";host&&-1!==host.indexOf(":")&&(host="["+host+"]"),opts.url=(host?protocol+"//"+host:"")+(port?":"+port:"")+path,opts.method=(opts.method||"GET").toUpperCase(),opts.headers=opts.headers||{};var req=new ClientRequest(opts);return cb&&req.on("response",cb),req},http.get=function get(opts,cb){var req=http.request(opts,cb);return req.end(),req},http.ClientRequest=ClientRequest,http.IncomingMessage=response.IncomingMessage,http.Agent=function(){},http.Agent.defaultMaxSockets=4,http.globalAgent=new http.Agent,http.STATUS_CODES=statusCodes,http.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)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{"./lib/request":258,"./lib/response":259,"builtin-status-codes":76,url:273,xtend:280}],257:[function(require,module,exports){(function(global){(function(){function getXHR(){if(xhr!==void 0)return xhr;if(global.XMLHttpRequest){xhr=new global.XMLHttpRequest;try{xhr.open("GET",global.XDomainRequest?"/":"https://example.com")}catch(e){xhr=null}}else xhr=null;return xhr}function checkTypeSupport(type){var xhr=getXHR();if(!xhr)return!1;try{return xhr.responseType=type,xhr.responseType===type}catch(e){}return!1}function isFunction(value){return"function"==typeof value}exports.fetch=isFunction(global.fetch)&&isFunction(global.ReadableStream),exports.writableStream=isFunction(global.WritableStream),exports.abortController=isFunction(global.AbortController);var xhr;exports.arraybuffer=exports.fetch||checkTypeSupport("arraybuffer"),exports.msstream=!exports.fetch&&checkTypeSupport("ms-stream"),exports.mozchunkedarraybuffer=!exports.fetch&&checkTypeSupport("moz-chunked-arraybuffer"),exports.overrideMimeType=exports.fetch||!!getXHR()&&isFunction(getXHR().overrideMimeType),xhr=null}).call(this)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{}],258:[function(require,module,exports){(function(process,global,Buffer){(function(){function decideMode(preferBinary,useFetch){return capability.fetch&&useFetch?"fetch":capability.mozchunkedarraybuffer?"moz-chunked-arraybuffer":capability.msstream?"ms-stream":capability.arraybuffer&&preferBinary?"arraybuffer":"text"}function statusValid(xhr){try{var status=xhr.status;return null!==status&&0!==status}catch(e){return!1}}var capability=require("./capability"),inherits=require("inherits"),response=require("./response"),stream=require("readable-stream"),IncomingMessage=response.IncomingMessage,rStates=response.readyStates,ClientRequest=module.exports=function(opts){var self=this;stream.Writable.call(self),self._opts=opts,self._body=[],self._headers={},opts.auth&&self.setHeader("Authorization","Basic "+Buffer.from(opts.auth).toString("base64")),Object.keys(opts.headers).forEach(function(name){self.setHeader(name,opts.headers[name])});var useFetch=!0,preferBinary;if("disable-fetch"===opts.mode||"requestTimeout"in opts&&!capability.abortController)useFetch=!1,preferBinary=!0;else if("prefer-streaming"===opts.mode)preferBinary=!1;else if("allow-wrong-content-type"===opts.mode)preferBinary=!capability.overrideMimeType;else if(!opts.mode||"default"===opts.mode||"prefer-fast"===opts.mode)preferBinary=!0;else throw new Error("Invalid value for opts.mode");self._mode=decideMode(preferBinary,useFetch),self._fetchTimer=null,self._socketTimeout=null,self._socketTimer=null,self.on("finish",function(){self._onFinish()})};inherits(ClientRequest,stream.Writable),ClientRequest.prototype.setHeader=function(name,value){var self=this,lowerName=name.toLowerCase();-1!==unsafeHeaders.indexOf(lowerName)||(self._headers[lowerName]={name:name,value:value})},ClientRequest.prototype.getHeader=function(name){var header=this._headers[name.toLowerCase()];return header?header.value:null},ClientRequest.prototype.removeHeader=function(name){var self=this;delete self._headers[name.toLowerCase()]},ClientRequest.prototype._onFinish=function(){var self=this;if(!self._destroyed){var opts=self._opts;"timeout"in opts&&0!==opts.timeout&&self.setTimeout(opts.timeout);var headersObj=self._headers,body=null;"GET"!==opts.method&&"HEAD"!==opts.method&&(body=new Blob(self._body,{type:(headersObj["content-type"]||{}).value||""}));var headersList=[];if(Object.keys(headersObj).forEach(function(keyName){var name=headersObj[keyName].name,value=headersObj[keyName].value;Array.isArray(value)?value.forEach(function(v){headersList.push([name,v])}):headersList.push([name,value])}),"fetch"===self._mode){var signal=null;if(capability.abortController){var controller=new AbortController;signal=controller.signal,self._fetchAbortController=controller,"requestTimeout"in opts&&0!==opts.requestTimeout&&(self._fetchTimer=global.setTimeout(function(){self.emit("requestTimeout"),self._fetchAbortController&&self._fetchAbortController.abort()},opts.requestTimeout))}global.fetch(self._opts.url,{method:self._opts.method,headers:headersList,body:body||void 0,mode:"cors",credentials:opts.withCredentials?"include":"same-origin",signal:signal}).then(function(response){self._fetchResponse=response,self._resetTimers(!1),self._connect()},function(reason){self._resetTimers(!0),self._destroyed||self.emit("error",reason)})}else{var xhr=self._xhr=new global.XMLHttpRequest;try{xhr.open(self._opts.method,self._opts.url,!0)}catch(err){return void process.nextTick(function(){self.emit("error",err)})}"responseType"in xhr&&(xhr.responseType=self._mode),"withCredentials"in xhr&&(xhr.withCredentials=!!opts.withCredentials),"text"===self._mode&&"overrideMimeType"in xhr&&xhr.overrideMimeType("text/plain; charset=x-user-defined"),"requestTimeout"in opts&&(xhr.timeout=opts.requestTimeout,xhr.ontimeout=function(){self.emit("requestTimeout")}),headersList.forEach(function(header){xhr.setRequestHeader(header[0],header[1])}),self._response=null,xhr.onreadystatechange=function(){switch(xhr.readyState){case rStates.LOADING:case rStates.DONE:self._onXHRProgress();}},"moz-chunked-arraybuffer"===self._mode&&(xhr.onprogress=function(){self._onXHRProgress()}),xhr.onerror=function(){self._destroyed||(self._resetTimers(!0),self.emit("error",new Error("XHR error")))};try{xhr.send(body)}catch(err){return void process.nextTick(function(){self.emit("error",err)})}}}},ClientRequest.prototype._onXHRProgress=function(){var self=this;self._resetTimers(!1);!statusValid(self._xhr)||self._destroyed||(!self._response&&self._connect(),self._response._onXHRProgress(self._resetTimers.bind(self)))},ClientRequest.prototype._connect=function(){var self=this;self._destroyed||(self._response=new IncomingMessage(self._xhr,self._fetchResponse,self._mode,self._resetTimers.bind(self)),self._response.on("error",function(err){self.emit("error",err)}),self.emit("response",self._response))},ClientRequest.prototype._write=function(chunk,encoding,cb){var self=this;self._body.push(chunk),cb()},ClientRequest.prototype._resetTimers=function(done){var self=this;global.clearTimeout(self._socketTimer),self._socketTimer=null,done?(global.clearTimeout(self._fetchTimer),self._fetchTimer=null):self._socketTimeout&&(self._socketTimer=global.setTimeout(function(){self.emit("timeout")},self._socketTimeout))},ClientRequest.prototype.abort=ClientRequest.prototype.destroy=function(err){var self=this;self._destroyed=!0,self._resetTimers(!0),self._response&&(self._response._destroyed=!0),self._xhr?self._xhr.abort():self._fetchAbortController&&self._fetchAbortController.abort(),err&&self.emit("error",err)},ClientRequest.prototype.end=function(data,encoding,cb){var self=this;"function"==typeof data&&(cb=data,data=void 0),stream.Writable.prototype.end.call(self,data,encoding,cb)},ClientRequest.prototype.setTimeout=function(timeout,cb){var self=this;cb&&self.once("timeout",cb),self._socketTimeout=timeout,self._resetTimers(!1)},ClientRequest.prototype.flushHeaders=function(){},ClientRequest.prototype.setNoDelay=function(){},ClientRequest.prototype.setSocketKeepAlive=function(){};var unsafeHeaders=["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)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global,require("buffer").Buffer)},{"./capability":257,"./response":259,_process:192,buffer:75,inherits:146,"readable-stream":227}],259:[function(require,module,exports){(function(process,global,Buffer){(function(){var capability=require("./capability"),inherits=require("inherits"),stream=require("readable-stream"),rStates=exports.readyStates={UNSENT:0,OPENED:1,HEADERS_RECEIVED:2,LOADING:3,DONE:4},IncomingMessage=exports.IncomingMessage=function(xhr,response,mode,resetTimers){var self=this;if(stream.Readable.call(self),self._mode=mode,self.headers={},self.rawHeaders=[],self.trailers={},self.rawTrailers=[],self.on("end",function(){process.nextTick(function(){self.emit("close")})}),"fetch"===mode){function read(){reader.read().then(function(result){if(!self._destroyed)return resetTimers(result.done),result.done?void self.push(null):void(self.push(Buffer.from(result.value)),read())}).catch(function(err){resetTimers(!0),self._destroyed||self.emit("error",err)})}if(self._fetchResponse=response,self.url=response.url,self.statusCode=response.status,self.statusMessage=response.statusText,response.headers.forEach(function(header,key){self.headers[key.toLowerCase()]=header,self.rawHeaders.push(key,header)}),capability.writableStream){var writable=new WritableStream({write:function(chunk){return resetTimers(!1),new Promise(function(resolve,reject){self._destroyed?reject():self.push(Buffer.from(chunk))?resolve():self._resumeFetch=resolve})},close:function(){resetTimers(!0),self._destroyed||self.push(null)},abort:function(err){resetTimers(!0),self._destroyed||self.emit("error",err)}});try{return void response.body.pipeTo(writable).catch(function(err){resetTimers(!0),self._destroyed||self.emit("error",err)})}catch(e){}}var reader=response.body.getReader();read()}else{self._xhr=xhr,self._pos=0,self.url=xhr.responseURL,self.statusCode=xhr.status,self.statusMessage=xhr.statusText;var headers=xhr.getAllResponseHeaders().split(/\r?\n/);if(headers.forEach(function(header){var matches=header.match(/^([^:]+):\s*(.*)/);if(matches){var key=matches[1].toLowerCase();"set-cookie"===key?(void 0===self.headers[key]&&(self.headers[key]=[]),self.headers[key].push(matches[2])):void 0===self.headers[key]?self.headers[key]=matches[2]:self.headers[key]+=", "+matches[2],self.rawHeaders.push(matches[1],matches[2])}}),self._charset="x-user-defined",!capability.overrideMimeType){var mimeType=self.rawHeaders["mime-type"];if(mimeType){var charsetMatch=mimeType.match(/;\s*charset=([^;])(;|$)/);charsetMatch&&(self._charset=charsetMatch[1].toLowerCase())}self._charset||(self._charset="utf-8")}}};inherits(IncomingMessage,stream.Readable),IncomingMessage.prototype._read=function(){var self=this,resolve=self._resumeFetch;resolve&&(self._resumeFetch=null,resolve())},IncomingMessage.prototype._onXHRProgress=function(resetTimers){var self=this,xhr=self._xhr,response=null;switch(self._mode){case"text":if(response=xhr.responseText,response.length>self._pos){var newData=response.substr(self._pos);if("x-user-defined"===self._charset){for(var buffer=Buffer.alloc(newData.length),i=0;i<newData.length;i++)buffer[i]=255&newData.charCodeAt(i);self.push(buffer)}else self.push(newData,self._charset);self._pos=response.length}break;case"arraybuffer":if(xhr.readyState!==rStates.DONE||!xhr.response)break;response=xhr.response,self.push(Buffer.from(new Uint8Array(response)));break;case"moz-chunked-arraybuffer":if(response=xhr.response,xhr.readyState!==rStates.LOADING||!response)break;self.push(Buffer.from(new Uint8Array(response)));break;case"ms-stream":if(response=xhr.response,xhr.readyState!==rStates.LOADING)break;var reader=new global.MSStreamReader;reader.onprogress=function(){reader.result.byteLength>self._pos&&(self.push(Buffer.from(new Uint8Array(reader.result.slice(self._pos)))),self._pos=reader.result.byteLength)},reader.onload=function(){resetTimers(!0),self.push(null)},reader.readAsArrayBuffer(response);}self._xhr.readyState===rStates.DONE&&"ms-stream"!==self._mode&&(resetTimers(!0),self.push(null))}}).call(this)}).call(this,require("_process"),"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global,require("buffer").Buffer)},{"./capability":257,_process:192,buffer:75,inherits:146,"readable-stream":227}],260:[function(require,module,exports){async function getBlobURL(stream,mimeType){const blob=await getBlob(stream,mimeType),url=URL.createObjectURL(blob);return url}module.exports=getBlobURL;const getBlob=require("stream-to-blob")},{"stream-to-blob":261}],261:[function(require,module,exports){function streamToBlob(stream,mimeType){if(null!=mimeType&&"string"!=typeof mimeType)throw new Error("Invalid mimetype, expected string.");return new Promise((resolve,reject)=>{const chunks=[];stream.on("data",chunk=>chunks.push(chunk)).once("end",()=>{const blob=null==mimeType?new Blob(chunks):new Blob(chunks,{type:mimeType});resolve(blob)}).once("error",reject)})}/*! stream-to-blob. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */module.exports=streamToBlob},{}],262:[function(require,module,exports){(function(Buffer){(function(){/*! stream-with-known-length-to-buffer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */var once=require("once");module.exports=function getBuffer(stream,length,cb){cb=once(cb);var buf=Buffer.alloc(length),offset=0;stream.on("data",function(chunk){chunk.copy(buf,offset),offset+=chunk.length}).on("end",function(){cb(null,buf)}).on("error",cb)}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75,once:177}],263:[function(require,module,exports){function afterDrain(){this.stream._duplexState|=READ_PIPE_DRAINED,0==(this.stream._duplexState&READ_ACTIVE_AND_SYNC)?this.updateNextTick():this.drain()}function afterFinal(err){const stream=this.stream;err&&stream.destroy(err),0==(stream._duplexState&DESTROY_STATUS)&&(stream._duplexState|=WRITE_DONE,stream.emit("finish")),(stream._duplexState&AUTO_DESTROY)===DONE&&(stream._duplexState|=DESTROYING),stream._duplexState&=WRITE_NOT_ACTIVE,this.update()}function afterDestroy(err){const stream=this.stream;err||this.error===STREAM_DESTROYED||(err=this.error),err&&stream.emit("error",err),stream._duplexState|=DESTROYED,stream.emit("close");const rs=stream._readableState,ws=stream._writableState;null!==rs&&null!==rs.pipeline&&rs.pipeline.done(stream,err),null!==ws&&null!==ws.pipeline&&ws.pipeline.done(stream,err)}function afterWrite(err){const stream=this.stream;err&&stream.destroy(err),stream._duplexState&=WRITE_NOT_ACTIVE,(stream._duplexState&WRITE_DRAIN_STATUS)===WRITE_UNDRAINED&&(stream._duplexState&=WRITE_DRAINED,(stream._duplexState&WRITE_EMIT_DRAIN)===WRITE_EMIT_DRAIN&&stream.emit("drain")),0==(stream._duplexState&WRITE_SYNC)&&this.update()}function afterRead(err){err&&this.stream.destroy(err),this.stream._duplexState&=READ_NOT_ACTIVE,0==(this.stream._duplexState&READ_SYNC)&&this.update()}function updateReadNT(){this.stream._duplexState&=READ_NOT_NEXT_TICK,this.update()}function updateWriteNT(){this.stream._duplexState&=WRITE_NOT_NEXT_TICK,this.update()}function afterOpen(err){const stream=this.stream;err&&stream.destroy(err),0==(stream._duplexState&DESTROYING)&&(0==(stream._duplexState&READ_PRIMARY_STATUS)&&(stream._duplexState|=READ_PRIMARY),0==(stream._duplexState&WRITE_PRIMARY_STATUS)&&(stream._duplexState|=WRITE_PRIMARY),stream.emit("open")),stream._duplexState&=NOT_ACTIVE,null!==stream._writableState&&stream._writableState.update(),null!==stream._readableState&&stream._readableState.update()}function afterTransform(err,data){data!==void 0&&null!==data&&this.push(data),this._writableState.afterWrite(err)}function transformAfterFlush(err,data){const cb=this._transformState.afterFinal;return err?cb(err):void(null!==data&&data!==void 0&&this.push(data),this.push(null),cb(null))}function pipelinePromise(...streams){return new Promise((resolve,reject)=>pipeline(...streams,err=>err?reject(err):void resolve()))}function pipeline(stream,...streams){function errorHandle(s,rd,wr,onerror){function onclose(){return rd&&s._readableState&&!s._readableState.ended?onerror(PREMATURE_CLOSE):wr&&s._writableState&&!s._writableState.ended?onerror(PREMATURE_CLOSE):void 0}s.on("error",onerror),s.on("close",onclose)}function onerror(err){if(err&&!error){error=err;for(const s of all)s.destroy(err)}}const all=Array.isArray(stream)?[...stream,...streams]:[stream,...streams],done=all.length&&"function"==typeof all[all.length-1]?all.pop():null;if(2>all.length)throw new Error("Pipeline requires at least 2 streams");let src=all[0],dest=null,error=null;for(let i=1;i<all.length;i++)dest=all[i],isStreamx(src)?src.pipe(dest,onerror):(errorHandle(src,!0,1<i,onerror),src.pipe(dest)),src=dest;if(done){let fin=!1;dest.on("finish",()=>{fin=!0}),dest.on("error",err=>{error=error||err}),dest.on("close",()=>done(error||(fin?null:PREMATURE_CLOSE)))}return dest}function isStream(stream){return!!stream._readableState||!!stream._writableState}function isStreamx(stream){return"number"==typeof stream._duplexState&&isStream(stream)}function isReadStreamx(stream){return isStreamx(stream)&&stream.readable}function isTypedArray(data){return"object"==typeof data&&null!==data&&"number"==typeof data.byteLength}function defaultByteLength(data){return isTypedArray(data)?data.byteLength:1024}function noop(){}function abort(){this.destroy(new Error("Stream aborted."))}const{EventEmitter}=require("events"),STREAM_DESTROYED=new Error("Stream was destroyed"),PREMATURE_CLOSE=new Error("Premature close"),queueTick=require("queue-tick"),FIFO=require("fast-fifo"),MAX=33554431,OPENING=1,DESTROYING=2,DESTROYED=4,NOT_OPENING=MAX^OPENING,READ_ACTIVE=8,READ_PRIMARY=16,READ_SYNC=32,READ_QUEUED=64,READ_RESUMED=128,READ_PIPE_DRAINED=256,READ_ENDING=512,READ_EMIT_DATA=1024,READ_EMIT_READABLE=2048,READ_EMITTED_READABLE=4096,READ_DONE=8192,READ_NEXT_TICK=16392,READ_NEEDS_PUSH=32768,READ_NOT_ACTIVE=MAX^READ_ACTIVE,READ_NON_PRIMARY=MAX^READ_PRIMARY,READ_NON_PRIMARY_AND_PUSHED=MAX^(READ_PRIMARY|READ_NEEDS_PUSH),READ_NOT_SYNC=MAX^READ_SYNC,READ_PUSHED=MAX^READ_NEEDS_PUSH,READ_PAUSED=MAX^READ_RESUMED,READ_NOT_QUEUED=MAX^(READ_QUEUED|READ_EMITTED_READABLE),READ_NOT_ENDING=MAX^READ_ENDING,READ_PIPE_NOT_DRAINED=MAX^(READ_RESUMED|READ_PIPE_DRAINED),READ_NOT_NEXT_TICK=MAX^READ_NEXT_TICK,WRITE_ACTIVE=65536,WRITE_PRIMARY=131072,WRITE_SYNC=262144,WRITE_QUEUED=524288,WRITE_UNDRAINED=1048576,WRITE_DONE=2097152,WRITE_EMIT_DRAIN=4194304,WRITE_NEXT_TICK=8454144,WRITE_FINISHING=16777216,WRITE_NOT_ACTIVE=MAX^WRITE_ACTIVE,WRITE_NOT_SYNC=MAX^WRITE_SYNC,WRITE_NON_PRIMARY=MAX^WRITE_PRIMARY,WRITE_NOT_FINISHING=MAX^WRITE_FINISHING,WRITE_DRAINED=MAX^WRITE_UNDRAINED,WRITE_NOT_QUEUED=MAX^WRITE_QUEUED,WRITE_NOT_NEXT_TICK=MAX^WRITE_NEXT_TICK,ACTIVE=READ_ACTIVE|WRITE_ACTIVE,NOT_ACTIVE=MAX^ACTIVE,DONE=READ_DONE|WRITE_DONE,DESTROY_STATUS=DESTROYING|DESTROYED,OPEN_STATUS=DESTROY_STATUS|OPENING,AUTO_DESTROY=DESTROY_STATUS|DONE,NON_PRIMARY=WRITE_NON_PRIMARY&READ_NON_PRIMARY,TICKING=(WRITE_NEXT_TICK|READ_NEXT_TICK)&NOT_ACTIVE,ACTIVE_OR_TICKING=ACTIVE|TICKING,IS_OPENING=OPEN_STATUS|TICKING,READ_PRIMARY_STATUS=OPEN_STATUS|READ_ENDING|READ_DONE,READ_STATUS=OPEN_STATUS|READ_DONE|READ_QUEUED,READ_FLOWING=READ_RESUMED|READ_PIPE_DRAINED,READ_ACTIVE_AND_SYNC=READ_ACTIVE|READ_SYNC,READ_ACTIVE_AND_SYNC_AND_NEEDS_PUSH=READ_ACTIVE|READ_SYNC|READ_NEEDS_PUSH,READ_PRIMARY_AND_ACTIVE=READ_PRIMARY|READ_ACTIVE,READ_ENDING_STATUS=OPEN_STATUS|READ_ENDING|READ_QUEUED,READ_EMIT_READABLE_AND_QUEUED=READ_EMIT_READABLE|READ_QUEUED,READ_READABLE_STATUS=OPEN_STATUS|READ_EMIT_READABLE|READ_QUEUED|READ_EMITTED_READABLE,SHOULD_NOT_READ=OPEN_STATUS|READ_ACTIVE|READ_ENDING|READ_DONE|READ_NEEDS_PUSH,READ_BACKPRESSURE_STATUS=DESTROY_STATUS|READ_ENDING|READ_DONE,WRITE_PRIMARY_STATUS=OPEN_STATUS|WRITE_FINISHING|WRITE_DONE,WRITE_QUEUED_AND_UNDRAINED=WRITE_QUEUED|WRITE_UNDRAINED,WRITE_QUEUED_AND_ACTIVE=WRITE_QUEUED|WRITE_ACTIVE,WRITE_DRAIN_STATUS=WRITE_QUEUED|WRITE_UNDRAINED|OPEN_STATUS|WRITE_ACTIVE,WRITE_STATUS=OPEN_STATUS|WRITE_ACTIVE|WRITE_QUEUED,WRITE_PRIMARY_AND_ACTIVE=WRITE_PRIMARY|WRITE_ACTIVE,WRITE_ACTIVE_AND_SYNC=WRITE_ACTIVE|WRITE_SYNC,WRITE_FINISHING_STATUS=OPEN_STATUS|WRITE_FINISHING|WRITE_QUEUED_AND_ACTIVE|WRITE_DONE,WRITE_BACKPRESSURE_STATUS=WRITE_UNDRAINED|DESTROY_STATUS|WRITE_FINISHING|WRITE_DONE,asyncIterator=Symbol.asyncIterator||Symbol("asyncIterator");class WritableState{constructor(stream,{highWaterMark=16384,map=null,mapWritable,byteLength,byteLengthWritable}={}){this.stream=stream,this.queue=new FIFO,this.highWaterMark=highWaterMark,this.buffered=0,this.error=null,this.pipeline=null,this.byteLength=byteLengthWritable||byteLength||defaultByteLength,this.map=mapWritable||map,this.afterWrite=afterWrite.bind(this),this.afterUpdateNextTick=updateWriteNT.bind(this)}get ended(){return 0!=(this.stream._duplexState&WRITE_DONE)}push(data){return(null!==this.map&&(data=this.map(data)),this.buffered+=this.byteLength(data),this.queue.push(data),this.buffered<this.highWaterMark)?(this.stream._duplexState|=WRITE_QUEUED,!0):(this.stream._duplexState|=WRITE_QUEUED_AND_UNDRAINED,!1)}shift(){const data=this.queue.shift(),stream=this.stream;return this.buffered-=this.byteLength(data),0===this.buffered&&(stream._duplexState&=WRITE_NOT_QUEUED),data}end(data){"function"==typeof data?this.stream.once("finish",data):data!==void 0&&null!==data&&this.push(data),this.stream._duplexState=(this.stream._duplexState|WRITE_FINISHING)&WRITE_NON_PRIMARY}autoBatch(data,cb){const buffer=[],stream=this.stream;for(buffer.push(data);(stream._duplexState&WRITE_STATUS)===WRITE_QUEUED_AND_ACTIVE;)buffer.push(stream._writableState.shift());return 0==(stream._duplexState&OPEN_STATUS)?void stream._writev(buffer,cb):cb(null)}update(){const stream=this.stream;for(;(stream._duplexState&WRITE_STATUS)===WRITE_QUEUED;){const data=this.shift();stream._duplexState|=WRITE_ACTIVE_AND_SYNC,stream._write(data,this.afterWrite),stream._duplexState&=WRITE_NOT_SYNC}0==(stream._duplexState&WRITE_PRIMARY_AND_ACTIVE)&&this.updateNonPrimary()}updateNonPrimary(){const stream=this.stream;return(stream._duplexState&WRITE_FINISHING_STATUS)===WRITE_FINISHING?(stream._duplexState=(stream._duplexState|WRITE_ACTIVE)&WRITE_NOT_FINISHING,void stream._final(afterFinal.bind(this))):(stream._duplexState&DESTROY_STATUS)===DESTROYING?void(0==(stream._duplexState&ACTIVE_OR_TICKING)&&(stream._duplexState|=ACTIVE,stream._destroy(afterDestroy.bind(this)))):void((stream._duplexState&IS_OPENING)===OPENING&&(stream._duplexState=(stream._duplexState|ACTIVE)&NOT_OPENING,stream._open(afterOpen.bind(this))))}updateNextTick(){0!=(this.stream._duplexState&WRITE_NEXT_TICK)||(this.stream._duplexState|=WRITE_NEXT_TICK,queueTick(this.afterUpdateNextTick))}}class ReadableState{constructor(stream,{highWaterMark=16384,map=null,mapReadable,byteLength,byteLengthReadable}={}){this.stream=stream,this.queue=new FIFO,this.highWaterMark=highWaterMark,this.buffered=0,this.error=null,this.pipeline=null,this.byteLength=byteLengthReadable||byteLength||defaultByteLength,this.map=mapReadable||map,this.pipeTo=null,this.afterRead=afterRead.bind(this),this.afterUpdateNextTick=updateReadNT.bind(this)}get ended(){return 0!=(this.stream._duplexState&READ_DONE)}pipe(pipeTo,cb){if(null!==this.pipeTo)throw new Error("Can only pipe to one destination");if("function"!=typeof cb&&(cb=null),this.stream._duplexState|=READ_PIPE_DRAINED,this.pipeTo=pipeTo,this.pipeline=new Pipeline(this.stream,pipeTo,cb),cb&&this.stream.on("error",noop),isStreamx(pipeTo))pipeTo._writableState.pipeline=this.pipeline,cb&&pipeTo.on("error",noop),pipeTo.on("finish",this.pipeline.finished.bind(this.pipeline));else{const onerror=this.pipeline.done.bind(this.pipeline,pipeTo),onclose=this.pipeline.done.bind(this.pipeline,pipeTo,null);pipeTo.on("error",onerror),pipeTo.on("close",onclose),pipeTo.on("finish",this.pipeline.finished.bind(this.pipeline))}pipeTo.on("drain",afterDrain.bind(this)),this.stream.emit("piping",pipeTo),pipeTo.emit("pipe",this.stream)}push(data){const stream=this.stream;return null===data?(this.highWaterMark=0,stream._duplexState=(stream._duplexState|READ_ENDING)&READ_NON_PRIMARY_AND_PUSHED,!1):(null!==this.map&&(data=this.map(data)),this.buffered+=this.byteLength(data),this.queue.push(data),stream._duplexState=(stream._duplexState|READ_QUEUED)&READ_PUSHED,this.buffered<this.highWaterMark)}shift(){const data=this.queue.shift();return this.buffered-=this.byteLength(data),0===this.buffered&&(this.stream._duplexState&=READ_NOT_QUEUED),data}unshift(data){let tail;const pending=[];for(;(tail=this.queue.shift())!==void 0;)pending.push(tail);this.push(data);for(let i=0;i<pending.length;i++)this.queue.push(pending[i])}read(){const stream=this.stream;if((stream._duplexState&READ_STATUS)===READ_QUEUED){const data=this.shift();return null!==this.pipeTo&&!1===this.pipeTo.write(data)&&(stream._duplexState&=READ_PIPE_NOT_DRAINED),0!=(stream._duplexState&READ_EMIT_DATA)&&stream.emit("data",data),data}return null}drain(){for(const stream=this.stream;(stream._duplexState&READ_STATUS)===READ_QUEUED&&0!=(stream._duplexState&READ_FLOWING);){const data=this.shift();null!==this.pipeTo&&!1===this.pipeTo.write(data)&&(stream._duplexState&=READ_PIPE_NOT_DRAINED),0!=(stream._duplexState&READ_EMIT_DATA)&&stream.emit("data",data)}}update(){const stream=this.stream;for(this.drain();this.buffered<this.highWaterMark&&0==(stream._duplexState&SHOULD_NOT_READ);)stream._duplexState|=READ_ACTIVE_AND_SYNC_AND_NEEDS_PUSH,stream._read(this.afterRead),stream._duplexState&=READ_NOT_SYNC,0==(stream._duplexState&READ_ACTIVE)&&this.drain();(stream._duplexState&READ_READABLE_STATUS)===READ_EMIT_READABLE_AND_QUEUED&&(stream._duplexState|=READ_EMITTED_READABLE,stream.emit("readable")),0==(stream._duplexState&READ_PRIMARY_AND_ACTIVE)&&this.updateNonPrimary()}updateNonPrimary(){const stream=this.stream;return(stream._duplexState&READ_ENDING_STATUS)===READ_ENDING&&(stream._duplexState=(stream._duplexState|READ_DONE)&READ_NOT_ENDING,stream.emit("end"),(stream._duplexState&AUTO_DESTROY)===DONE&&(stream._duplexState|=DESTROYING),null!==this.pipeTo&&this.pipeTo.end()),(stream._duplexState&DESTROY_STATUS)===DESTROYING?void(0==(stream._duplexState&ACTIVE_OR_TICKING)&&(stream._duplexState|=ACTIVE,stream._destroy(afterDestroy.bind(this)))):void((stream._duplexState&IS_OPENING)===OPENING&&(stream._duplexState=(stream._duplexState|ACTIVE)&NOT_OPENING,stream._open(afterOpen.bind(this))))}updateNextTick(){0!=(this.stream._duplexState&READ_NEXT_TICK)||(this.stream._duplexState|=READ_NEXT_TICK,queueTick(this.afterUpdateNextTick))}}class TransformState{constructor(stream){this.data=null,this.afterTransform=afterTransform.bind(stream),this.afterFinal=null}}class Pipeline{constructor(src,dst,cb){this.from=src,this.to=dst,this.afterPipe=cb,this.error=null,this.pipeToFinished=!1}finished(){this.pipeToFinished=!0}done(stream,err){return err&&(this.error=err),stream===this.to&&(this.to=null,null!==this.from)?void(0!=(this.from._duplexState&READ_DONE)&&this.pipeToFinished||this.from.destroy(this.error||new Error("Writable stream closed prematurely"))):stream===this.from&&(this.from=null,null!==this.to)?void(0==(stream._duplexState&READ_DONE)&&this.to.destroy(this.error||new Error("Readable stream closed before ending"))):void(null!==this.afterPipe&&this.afterPipe(this.error),this.to=this.from=this.afterPipe=null)}}class Stream extends EventEmitter{constructor(opts){super(),this._duplexState=0,this._readableState=null,this._writableState=null,opts&&(opts.open&&(this._open=opts.open),opts.destroy&&(this._destroy=opts.destroy),opts.predestroy&&(this._predestroy=opts.predestroy),opts.signal&&opts.signal.addEventListener("abort",abort.bind(this)))}_open(cb){cb(null)}_destroy(cb){cb(null)}_predestroy(){}get readable(){return null!==this._readableState||void 0}get writable(){return null!==this._writableState||void 0}get destroyed(){return 0!=(this._duplexState&DESTROYED)}get destroying(){return 0!=(this._duplexState&DESTROY_STATUS)}destroy(err){0==(this._duplexState&DESTROY_STATUS)&&(!err&&(err=STREAM_DESTROYED),this._duplexState=(this._duplexState|DESTROYING)&NON_PRIMARY,null!==this._readableState&&(this._readableState.error=err,this._readableState.updateNextTick()),null!==this._writableState&&(this._writableState.error=err,this._writableState.updateNextTick()),this._predestroy())}on(name,fn){return null!==this._readableState&&("data"===name&&(this._duplexState|=READ_EMIT_DATA|READ_RESUMED,this._readableState.updateNextTick()),"readable"===name&&(this._duplexState|=READ_EMIT_READABLE,this._readableState.updateNextTick())),null!==this._writableState&&"drain"===name&&(this._duplexState|=WRITE_EMIT_DRAIN,this._writableState.updateNextTick()),super.on(name,fn)}}class Readable extends Stream{constructor(opts){super(opts),this._duplexState|=OPENING|WRITE_DONE,this._readableState=new ReadableState(this,opts),opts&&(opts.read&&(this._read=opts.read),opts.eagerOpen&&this.resume().pause())}_read(cb){cb(null)}pipe(dest,cb){return this._readableState.pipe(dest,cb),this._readableState.updateNextTick(),dest}read(){return this._readableState.updateNextTick(),this._readableState.read()}push(data){return this._readableState.updateNextTick(),this._readableState.push(data)}unshift(data){return this._readableState.updateNextTick(),this._readableState.unshift(data)}resume(){return this._duplexState|=READ_RESUMED,this._readableState.updateNextTick(),this}pause(){return this._duplexState&=READ_PAUSED,this}static _fromAsyncIterator(ite,opts){function push(data){data.done?rs.push(null):rs.push(data.value)}let destroy;const rs=new Readable({...opts,read(cb){ite.next().then(push).then(cb.bind(null,null)).catch(cb)},predestroy(){destroy=ite.return()},destroy(cb){return destroy?void destroy.then(cb.bind(null,null)).catch(cb):cb(null)}});return rs}static from(data,opts){if(isReadStreamx(data))return data;if(data[asyncIterator])return this._fromAsyncIterator(data[asyncIterator](),opts);Array.isArray(data)||(data=data===void 0?[]:[data]);let i=0;return new Readable({...opts,read(cb){this.push(i===data.length?null:data[i++]),cb(null)}})}static isBackpressured(rs){return 0!=(rs._duplexState&READ_BACKPRESSURE_STATUS)||rs._readableState.buffered>=rs._readableState.highWaterMark}static isPaused(rs){return 0==(rs._duplexState&READ_RESUMED)}[asyncIterator](){function onreadable(){null!==promiseResolve&&ondata(stream.read())}function onclose(){null!==promiseResolve&&ondata(null)}function ondata(data){null===promiseReject||(error?promiseReject(error):null===data&&0==(stream._duplexState&READ_DONE)?promiseReject(STREAM_DESTROYED):promiseResolve({value:data,done:null==data}),promiseReject=promiseResolve=null)}function destroy(err){return stream.destroy(err),new Promise((resolve,reject)=>stream._duplexState&DESTROYED?resolve({value:void 0,done:!0}):void stream.once("close",function(){err?reject(err):resolve({value:void 0,done:!0})}))}const stream=this;let error=null,promiseResolve=null,promiseReject=null;return this.on("error",err=>{error=err}),this.on("readable",onreadable),this.on("close",onclose),{[asyncIterator](){return this},next(){return new Promise(function(resolve,reject){promiseResolve=resolve,promiseReject=reject;const data=stream.read();null===data?0!=(stream._duplexState&DESTROYED)&&ondata(null):ondata(data)})},return(){return destroy(null)},throw(err){return destroy(err)}}}}class Writable extends Stream{constructor(opts){super(opts),this._duplexState|=OPENING|READ_DONE,this._writableState=new WritableState(this,opts),opts&&(opts.writev&&(this._writev=opts.writev),opts.write&&(this._write=opts.write),opts.final&&(this._final=opts.final))}_writev(batch,cb){cb(null)}_write(data,cb){this._writableState.autoBatch(data,cb)}_final(cb){cb(null)}static isBackpressured(ws){return 0!=(ws._duplexState&WRITE_BACKPRESSURE_STATUS)}write(data){return this._writableState.updateNextTick(),this._writableState.push(data)}end(data){return this._writableState.updateNextTick(),this._writableState.end(data),this}}class Duplex extends Readable{constructor(opts){super(opts),this._duplexState=OPENING,this._writableState=new WritableState(this,opts),opts&&(opts.writev&&(this._writev=opts.writev),opts.write&&(this._write=opts.write),opts.final&&(this._final=opts.final))}_writev(batch,cb){cb(null)}_write(data,cb){this._writableState.autoBatch(data,cb)}_final(cb){cb(null)}write(data){return this._writableState.updateNextTick(),this._writableState.push(data)}end(data){return this._writableState.updateNextTick(),this._writableState.end(data),this}}class Transform extends Duplex{constructor(opts){super(opts),this._transformState=new TransformState(this),opts&&(opts.transform&&(this._transform=opts.transform),opts.flush&&(this._flush=opts.flush))}_write(data,cb){this._readableState.buffered>=this._readableState.highWaterMark?this._transformState.data=data:this._transform(data,this._transformState.afterTransform)}_read(cb){if(null!==this._transformState.data){const data=this._transformState.data;this._transformState.data=null,cb(null),this._transform(data,this._transformState.afterTransform)}else cb(null)}_transform(data,cb){cb(null,data)}_flush(cb){cb(null)}_final(cb){this._transformState.afterFinal=cb,this._flush(transformAfterFlush.bind(this))}}class PassThrough extends Transform{}module.exports={pipeline,pipelinePromise,isStream,isStreamx,Stream,Writable,Readable,Duplex,Transform,PassThrough}},{events:122,"fast-fifo":126,"queue-tick":206}],264:[function(require,module,exports){arguments[4][70][0].apply(exports,arguments)},{dup:70,"safe-buffer":234}],265:[function(require,module,exports){var base32=require("./thirty-two");exports.encode=base32.encode,exports.decode=base32.decode},{"./thirty-two":266}],266:[function(require,module,exports){(function(Buffer){(function(){"use strict";function quintetCount(buff){var quintets=_Mathfloor(buff.length/5);return 0==buff.length%5?quintets:quintets+1}var charTable="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",byteTable=[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];exports.encode=function(plain){Buffer.isBuffer(plain)||(plain=new Buffer(plain));for(var i=0,j=0,shiftIndex=0,digit=0,encoded=new Buffer(8*quintetCount(plain));i<plain.length;){var current=plain[i];3<shiftIndex?(digit=current&255>>shiftIndex,shiftIndex=(shiftIndex+5)%8,digit=digit<<shiftIndex|(i+1<plain.length?plain[i+1]:0)>>8-shiftIndex,i++):(digit=31¤t>>8-(shiftIndex+5),shiftIndex=(shiftIndex+5)%8,0===shiftIndex&&i++),encoded[j]="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567".charCodeAt(digit),j++}for(i=j;i<encoded.length;i++)encoded[i]=61;return encoded},exports.decode=function(encoded){var shiftIndex=0,plainDigit=0,plainPos=0,plainChar;Buffer.isBuffer(encoded)||(encoded=new Buffer(encoded));for(var decoded=new Buffer(_Mathceil(5*encoded.length/8)),i=0;i<encoded.length&&!(61===encoded[i]);i++){var encodedByte=encoded[i]-48;if(encodedByte<byteTable.length)plainDigit=byteTable[encodedByte],3>=shiftIndex?(shiftIndex=(shiftIndex+5)%8,0===shiftIndex?(plainChar|=plainDigit,decoded[plainPos]=plainChar,plainPos++,plainChar=0):plainChar|=255&plainDigit<<8-shiftIndex):(shiftIndex=(shiftIndex+5)%8,plainChar|=255&plainDigit>>>shiftIndex,decoded[plainPos]=plainChar,plainPos++,plainChar=255&plainDigit<<8-shiftIndex);else throw new Error("Invalid input - it is not base32 encoded string")}return decoded.slice(0,plainPos)}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75}],267:[function(require,module,exports){function getTick(start){return 65535&(+Date.now()-start)/timeDiff}const maxTick=65535,resolution=10,timeDiff=1e3/resolution;module.exports=function(seconds){const start=+Date.now(),size=resolution*(seconds||5),buffer=[0];let pointer=1,last=getTick(start)-1&maxTick;return function(delta){const tick=getTick(start);let dist=tick-last&maxTick;for(dist>size&&(dist=size),last=tick;dist--;)pointer===size&&(pointer=0),buffer[pointer]=buffer[0===pointer?size-1:pointer-1],pointer++;delta&&(buffer[pointer-1]+=delta);const top=buffer[pointer-1],btm=buffer.length<size?0:buffer[pointer===size?0:pointer];return buffer.length<resolution?top:(top-btm)*resolution/buffer.length}}},{}],268:[function(require,module,exports){var Buffer=require("buffer").Buffer;module.exports=function(buf){if(buf instanceof Uint8Array){if(0===buf.byteOffset&&buf.byteLength===buf.buffer.byteLength)return buf.buffer;if("function"==typeof buf.buffer.slice)return buf.buffer.slice(buf.byteOffset,buf.byteOffset+buf.byteLength)}if(Buffer.isBuffer(buf)){for(var arrayCopy=new Uint8Array(buf.length),len=buf.length,i=0;i<len;i++)arrayCopy[i]=buf[i];return arrayCopy.buffer}throw new Error("Argument must be a Buffer")}},{buffer:75}],269:[function(require,module,exports){(function(process){(function(){/*! torrent-discovery. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const debug=require("debug")("torrent-discovery"),DHT=require("bittorrent-dht/client"),EventEmitter=require("events").EventEmitter,parallel=require("run-parallel"),Tracker=require("bittorrent-tracker/client"),LSD=require("bittorrent-lsd");class Discovery extends EventEmitter{constructor(opts){if(super(),!opts.peerId)throw new Error("Option `peerId` is required");if(!opts.infoHash)throw new Error("Option `infoHash` is required");if(!process.browser&&!opts.port)throw new Error("Option `port` is required");this.peerId="string"==typeof opts.peerId?opts.peerId:opts.peerId.toString("hex"),this.infoHash="string"==typeof opts.infoHash?opts.infoHash.toLowerCase():opts.infoHash.toString("hex"),this._port=opts.port,this._userAgent=opts.userAgent,this.destroyed=!1,this._announce=opts.announce||[],this._intervalMs=opts.intervalMs||900000,this._trackerOpts=null,this._dhtAnnouncing=!1,this._dhtTimeout=!1,this._internalDHT=!1,this._onWarning=err=>{this.emit("warning",err)},this._onError=err=>{this.emit("error",err)},this._onDHTPeer=(peer,infoHash)=>{infoHash.toString("hex")!==this.infoHash||this.emit("peer",`${peer.host}:${peer.port}`,"dht")},this._onTrackerPeer=peer=>{this.emit("peer",peer,"tracker")},this._onTrackerAnnounce=()=>{this.emit("trackerAnnounce")},this._onLSDPeer=(peer,infoHash)=>{this.emit("peer",peer,"lsd")};const createDHT=(port,opts)=>{const dht=new DHT(opts);return dht.on("warning",this._onWarning),dht.on("error",this._onError),dht.listen(port),this._internalDHT=!0,dht};!1===opts.tracker?this.tracker=null:opts.tracker&&"object"==typeof opts.tracker?(this._trackerOpts=Object.assign({},opts.tracker),this.tracker=this._createTracker()):this.tracker=this._createTracker(),this.dht=!1===opts.dht||"function"!=typeof DHT?null:opts.dht&&"function"==typeof opts.dht.addNode?opts.dht:opts.dht&&"object"==typeof opts.dht?createDHT(opts.dhtPort,opts.dht):createDHT(opts.dhtPort),this.dht&&(this.dht.on("peer",this._onDHTPeer),this._dhtAnnounce()),this.lsd=!1===opts.lsd||"function"!=typeof LSD?null:this._createLSD()}updatePort(port){port===this._port||(this._port=port,this.dht&&this._dhtAnnounce(),this.tracker&&(this.tracker.stop(),this.tracker.destroy(()=>{this.tracker=this._createTracker()})))}complete(opts){this.tracker&&this.tracker.complete(opts)}destroy(cb){if(!this.destroyed){this.destroyed=!0,clearTimeout(this._dhtTimeout);const tasks=[];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),tasks.push(cb=>{this.tracker.destroy(cb)})),this.dht&&this.dht.removeListener("peer",this._onDHTPeer),this._internalDHT&&(this.dht.removeListener("warning",this._onWarning),this.dht.removeListener("error",this._onError),tasks.push(cb=>{this.dht.destroy(cb)})),this.lsd&&(this.lsd.removeListener("warning",this._onWarning),this.lsd.removeListener("error",this._onError),this.lsd.removeListener("peer",this._onLSDPeer),tasks.push(cb=>{this.lsd.destroy(cb)})),parallel(tasks,cb),this.dht=null,this.tracker=null,this.lsd=null,this._announce=null}}_createTracker(){const opts=Object.assign({},this._trackerOpts,{infoHash:this.infoHash,announce:this._announce,peerId:this.peerId,port:this._port,userAgent:this._userAgent}),tracker=new Tracker(opts);return tracker.on("warning",this._onWarning),tracker.on("error",this._onError),tracker.on("peer",this._onTrackerPeer),tracker.on("update",this._onTrackerAnnounce),tracker.setInterval(this._intervalMs),tracker.start(),tracker}_dhtAnnounce(){this._dhtAnnouncing||(debug("dht announce"),this._dhtAnnouncing=!0,clearTimeout(this._dhtTimeout),this.dht.announce(this.infoHash,this._port,err=>{this._dhtAnnouncing=!1,debug("dht announce complete"),err&&this.emit("warning",err),this.emit("dhtAnnounce"),this.destroyed||(this._dhtTimeout=setTimeout(()=>{this._dhtAnnounce()},this._intervalMs+_Mathfloor(Math.random()*this._intervalMs/5)),this._dhtTimeout.unref&&this._dhtTimeout.unref())}))}_createLSD(){const opts=Object.assign({},{infoHash:this.infoHash,peerId:this.peerId,port:this._port}),lsd=new LSD(opts);return lsd.on("warning",this._onWarning),lsd.on("error",this._onError),lsd.on("peer",this._onLSDPeer),lsd.start(),lsd}}module.exports=Discovery}).call(this)}).call(this,require("_process"))},{_process:192,"bittorrent-dht/client":41,"bittorrent-lsd":41,"bittorrent-tracker/client":33,debug:90,events:122,"run-parallel":232}],270:[function(require,module,exports){(function(Buffer){(function(){/*! torrent-piece. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const BLOCK_LENGTH=16384;class Piece{constructor(length){this.length=length,this.missing=length,this.sources=null,this._chunks=_Mathceil(length/BLOCK_LENGTH),this._remainder=length%BLOCK_LENGTH||BLOCK_LENGTH,this._buffered=0,this._buffer=null,this._cancellations=null,this._reservations=0,this._flushed=!1}chunkLength(i){return i===this._chunks-1?this._remainder:BLOCK_LENGTH}chunkLengthRemaining(i){return this.length-i*BLOCK_LENGTH}chunkOffset(i){return i*BLOCK_LENGTH}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._cancellations.length||this._reservations<this._chunks){let min=this._reservations;for(;this._cancellations.length;)min=_Mathmin(min,this._cancellations.pop());return this._reservations=this._chunks,min}return-1}cancel(i){this.init()&&this._cancellations.push(i)}cancelRemaining(i){this.init()&&(this._reservations=i)}get(i){return this.init()?this._buffer[i]:null}set(i,data,source){if(!this.init())return!1;const len=data.length,blocks=_Mathceil(len/BLOCK_LENGTH);for(let j=0;j<blocks;j++)if(!this._buffer[i+j]){const offset=j*BLOCK_LENGTH,splitData=data.slice(offset,offset+BLOCK_LENGTH);this._buffered++,this._buffer[i+j]=splitData,this.missing-=splitData.length,this.sources.includes(source)||this.sources.push(source)}return this._buffered===this._chunks}flush(){if(!this._buffer||this._chunks!==this._buffered)return null;const buffer=Buffer.concat(this._buffer,this.length);return this._buffer=null,this._cancellations=null,this.sources=null,this._flushed=!0,buffer}init(){return!this._flushed&&(!!this._buffer||(this._buffer=Array(this._chunks),this._cancellations=[],this.sources=[],!0))}}Object.defineProperty(Piece,"BLOCK_LENGTH",{value:16384}),module.exports=Piece}).call(this)}).call(this,require("buffer").Buffer)},{buffer:75}],271:[function(require,module,exports){var bufferAlloc=require("buffer-alloc"),UINT_32_MAX=_Mathpow(2,32);exports.encodingLength=function(){return 8},exports.encode=function(num,buf,offset){buf||(buf=bufferAlloc(8)),offset||(offset=0);var top=_Mathfloor(num/UINT_32_MAX),rem=num-top*UINT_32_MAX;return buf.writeUInt32BE(top,offset),buf.writeUInt32BE(rem,offset+4),buf},exports.decode=function(buf,offset){offset||(offset=0);var top=buf.readUInt32BE(offset),rem=buf.readUInt32BE(offset+4);return top*UINT_32_MAX+rem},exports.encode.bytes=8,exports.decode.bytes=8},{"buffer-alloc":72}],272:[function(require,module,exports){function remove(arr,i){if(!(i>=arr.length||0>i)){var last=arr.pop();if(i<arr.length){var tmp=arr[i];return arr[i]=last,tmp}return last}}module.exports=remove},{}],273:[function(require,module,exports){"use strict";function Url(){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 urlParse(url,parseQueryString,slashesDenoteHost){if(url&&util.isObject(url)&&url instanceof Url)return url;var u=new Url;return u.parse(url,parseQueryString,slashesDenoteHost),u}function urlFormat(obj){return util.isString(obj)&&(obj=urlParse(obj)),obj instanceof Url?obj.format():Url.prototype.format.call(obj)}function urlResolve(source,relative){return urlParse(source,!1,!0).resolve(relative)}function urlResolveObject(source,relative){return source?urlParse(source,!1,!0).resolveObject(relative):relative}var punycode=require("punycode"),util=require("./util");exports.parse=urlParse,exports.resolve=urlResolve,exports.resolveObject=urlResolveObject,exports.format=urlFormat,exports.Url=Url;var protocolPattern=/^([a-z0-9.+-]+:)/i,portPattern=/:[0-9]*$/,simplePathPattern=/^(\/\/?(?!\/)[^\?\s]*)(\?[^\s]*)?$/,delims=["<",">","\"","`"," ","\r","\n","\t"],unwise=["{","}","|","\\","^","`"].concat(delims),autoEscape=["'"].concat(unwise),nonHostChars=["%","/","?",";","#"].concat(autoEscape),hostEndingChars=["/","?","#"],hostnameMaxLen=255,hostnamePartPattern=/^[+a-z0-9A-Z_-]{0,63}$/,hostnamePartStart=/^([+a-z0-9A-Z_-]{0,63})(.*)$/,unsafeProtocol={javascript:!0,"javascript:":!0},hostlessProtocol={javascript:!0,"javascript:":!0},slashedProtocol={http:!0,https:!0,ftp:!0,gopher:!0,file:!0,"http:":!0,"https:":!0,"ftp:":!0,"gopher:":!0,"file:":!0},querystring=require("querystring");Url.prototype.parse=function(url,parseQueryString,slashesDenoteHost){if(!util.isString(url))throw new TypeError("Parameter 'url' must be a string, not "+typeof url);var queryIndex=url.indexOf("?"),splitter=-1!==queryIndex&&queryIndex<url.indexOf("#")?"?":"#",uSplit=url.split(splitter),slashRegex=/\\/g;uSplit[0]=uSplit[0].replace(slashRegex,"/"),url=uSplit.join(splitter);var rest=url;if(rest=rest.trim(),!slashesDenoteHost&&1===url.split("#").length){var simplePath=simplePathPattern.exec(rest);if(simplePath)return this.path=rest,this.href=rest,this.pathname=simplePath[1],simplePath[2]?(this.search=simplePath[2],this.query=parseQueryString?querystring.parse(this.search.substr(1)):this.search.substr(1)):parseQueryString&&(this.search="",this.query={}),this}var proto=protocolPattern.exec(rest);if(proto){proto=proto[0];var lowerProto=proto.toLowerCase();this.protocol=lowerProto,rest=rest.substr(proto.length)}if(slashesDenoteHost||proto||rest.match(/^\/\/[^@\/]+@[^@\/]+/)){var slashes="//"===rest.substr(0,2);slashes&&!(proto&&hostlessProtocol[proto])&&(rest=rest.substr(2),this.slashes=!0)}if(!hostlessProtocol[proto]&&(slashes||proto&&!slashedProtocol[proto])){for(var hostEnd=-1,i=0,hec;i<hostEndingChars.length;i++)hec=rest.indexOf(hostEndingChars[i]),-1!==hec&&(-1===hostEnd||hec<hostEnd)&&(hostEnd=hec);var auth,atSign;atSign=-1===hostEnd?rest.lastIndexOf("@"):rest.lastIndexOf("@",hostEnd),-1!==atSign&&(auth=rest.slice(0,atSign),rest=rest.slice(atSign+1),this.auth=decodeURIComponent(auth)),hostEnd=-1;for(var i=0,hec;i<nonHostChars.length;i++)hec=rest.indexOf(nonHostChars[i]),-1!==hec&&(-1===hostEnd||hec<hostEnd)&&(hostEnd=hec);-1===hostEnd&&(hostEnd=rest.length),this.host=rest.slice(0,hostEnd),rest=rest.slice(hostEnd),this.parseHost(),this.hostname=this.hostname||"";var ipv6Hostname="["===this.hostname[0]&&"]"===this.hostname[this.hostname.length-1];if(!ipv6Hostname)for(var hostparts=this.hostname.split(/\./),i=0,l=hostparts.length,part;i<l;i++)if(part=hostparts[i],part&&!part.match(hostnamePartPattern)){for(var newpart="",j=0,k=part.length;j<k;j++)newpart+=127<part.charCodeAt(j)?"x":part[j];if(!newpart.match(hostnamePartPattern)){var validParts=hostparts.slice(0,i),notHost=hostparts.slice(i+1),bit=part.match(hostnamePartStart);bit&&(validParts.push(bit[1]),notHost.unshift(bit[2])),notHost.length&&(rest="/"+notHost.join(".")+rest),this.hostname=validParts.join(".");break}}this.hostname=255<this.hostname.length?"":this.hostname.toLowerCase(),ipv6Hostname||(this.hostname=punycode.toASCII(this.hostname));var p=this.port?":"+this.port:"",h=this.hostname||"";this.host=h+p,this.href+=this.host,ipv6Hostname&&(this.hostname=this.hostname.substr(1,this.hostname.length-2),"/"!==rest[0]&&(rest="/"+rest))}if(!unsafeProtocol[lowerProto])for(var i=0,l=autoEscape.length,ae;i<l;i++)if(ae=autoEscape[i],-1!==rest.indexOf(ae)){var esc=encodeURIComponent(ae);esc===ae&&(esc=escape(ae)),rest=rest.split(ae).join(esc)}var hash=rest.indexOf("#");-1!==hash&&(this.hash=rest.substr(hash),rest=rest.slice(0,hash));var qm=rest.indexOf("?");if(-1===qm?parseQueryString&&(this.search="",this.query={}):(this.search=rest.substr(qm),this.query=rest.substr(qm+1),parseQueryString&&(this.query=querystring.parse(this.query)),rest=rest.slice(0,qm)),rest&&(this.pathname=rest),slashedProtocol[lowerProto]&&this.hostname&&!this.pathname&&(this.pathname="/"),this.pathname||this.search){var p=this.pathname||"",s=this.search||"";this.path=p+s}return this.href=this.format(),this},Url.prototype.format=function(){var auth=this.auth||"";auth&&(auth=encodeURIComponent(auth),auth=auth.replace(/%3A/i,":"),auth+="@");var protocol=this.protocol||"",pathname=this.pathname||"",hash=this.hash||"",host=!1,query="";this.host?host=auth+this.host:this.hostname&&(host=auth+(-1===this.hostname.indexOf(":")?this.hostname:"["+this.hostname+"]"),this.port&&(host+=":"+this.port)),this.query&&util.isObject(this.query)&&Object.keys(this.query).length&&(query=querystring.stringify(this.query));var search=this.search||query&&"?"+query||"";return protocol&&":"!==protocol.substr(-1)&&(protocol+=":"),this.slashes||(!protocol||slashedProtocol[protocol])&&!1!==host?(host="//"+(host||""),pathname&&"/"!==pathname.charAt(0)&&(pathname="/"+pathname)):!host&&(host=""),hash&&"#"!==hash.charAt(0)&&(hash="#"+hash),search&&"?"!==search.charAt(0)&&(search="?"+search),pathname=pathname.replace(/[?#]/g,function(match){return encodeURIComponent(match)}),search=search.replace("#","%23"),protocol+host+pathname+search+hash},Url.prototype.resolve=function(relative){return this.resolveObject(urlParse(relative,!1,!0)).format()},Url.prototype.resolveObject=function(relative){if(util.isString(relative)){var rel=new Url;rel.parse(relative,!1,!0),relative=rel}for(var result=new Url,tkeys=Object.keys(this),tk=0,tkey;tk<tkeys.length;tk++)tkey=tkeys[tk],result[tkey]=this[tkey];if(result.hash=relative.hash,""===relative.href)return result.href=result.format(),result;if(relative.slashes&&!relative.protocol){for(var rkeys=Object.keys(relative),rk=0,rkey;rk<rkeys.length;rk++)rkey=rkeys[rk],"protocol"!==rkey&&(result[rkey]=relative[rkey]);return slashedProtocol[result.protocol]&&result.hostname&&!result.pathname&&(result.path=result.pathname="/"),result.href=result.format(),result}if(relative.protocol&&relative.protocol!==result.protocol){if(!slashedProtocol[relative.protocol]){for(var keys=Object.keys(relative),v=0,k;v<keys.length;v++)k=keys[v],result[k]=relative[k];return result.href=result.format(),result}if(result.protocol=relative.protocol,!relative.host&&!hostlessProtocol[relative.protocol]){for(var relPath=(relative.pathname||"").split("/");relPath.length&&!(relative.host=relPath.shift()););relative.host||(relative.host=""),relative.hostname||(relative.hostname=""),""!==relPath[0]&&relPath.unshift(""),2>relPath.length&&relPath.unshift(""),result.pathname=relPath.join("/")}else result.pathname=relative.pathname;if(result.search=relative.search,result.query=relative.query,result.host=relative.host||"",result.auth=relative.auth,result.hostname=relative.hostname||relative.host,result.port=relative.port,result.pathname||result.search){var p=result.pathname||"",s=result.search||"";result.path=p+s}return result.slashes=result.slashes||relative.slashes,result.href=result.format(),result}var isSourceAbs=result.pathname&&"/"===result.pathname.charAt(0),isRelAbs=relative.host||relative.pathname&&"/"===relative.pathname.charAt(0),mustEndAbs=isRelAbs||isSourceAbs||result.host&&relative.pathname,removeAllDots=mustEndAbs,srcPath=result.pathname&&result.pathname.split("/")||[],relPath=relative.pathname&&relative.pathname.split("/")||[],psychotic=result.protocol&&!slashedProtocol[result.protocol];if(psychotic&&(result.hostname="",result.port=null,result.host&&(""===srcPath[0]?srcPath[0]=result.host:srcPath.unshift(result.host)),result.host="",relative.protocol&&(relative.hostname=null,relative.port=null,relative.host&&(""===relPath[0]?relPath[0]=relative.host:relPath.unshift(relative.host)),relative.host=null),mustEndAbs=mustEndAbs&&(""===relPath[0]||""===srcPath[0])),isRelAbs)result.host=relative.host||""===relative.host?relative.host:result.host,result.hostname=relative.hostname||""===relative.hostname?relative.hostname:result.hostname,result.search=relative.search,result.query=relative.query,srcPath=relPath;else if(relPath.length)srcPath||(srcPath=[]),srcPath.pop(),srcPath=srcPath.concat(relPath),result.search=relative.search,result.query=relative.query;else if(!util.isNullOrUndefined(relative.search)){if(psychotic){result.hostname=result.host=srcPath.shift();var authInHost=!!(result.host&&0<result.host.indexOf("@"))&&result.host.split("@");authInHost&&(result.auth=authInHost.shift(),result.host=result.hostname=authInHost.shift())}return result.search=relative.search,result.query=relative.query,util.isNull(result.pathname)&&util.isNull(result.search)||(result.path=(result.pathname?result.pathname:"")+(result.search?result.search:"")),result.href=result.format(),result}if(!srcPath.length)return result.pathname=null,result.path=result.search?"/"+result.search:null,result.href=result.format(),result;for(var last=srcPath.slice(-1)[0],hasTrailingSlash=(result.host||relative.host||1<srcPath.length)&&("."===last||".."===last)||""===last,up=0,i=srcPath.length;0<=i;i--)last=srcPath[i],"."===last?srcPath.splice(i,1):".."===last?(srcPath.splice(i,1),up++):up&&(srcPath.splice(i,1),up--);if(!mustEndAbs&&!removeAllDots)for(;up--;up)srcPath.unshift("..");mustEndAbs&&""!==srcPath[0]&&(!srcPath[0]||"/"!==srcPath[0].charAt(0))&&srcPath.unshift(""),hasTrailingSlash&&"/"!==srcPath.join("/").substr(-1)&&srcPath.push("");var isAbsolute=""===srcPath[0]||srcPath[0]&&"/"===srcPath[0].charAt(0);if(psychotic){result.hostname=result.host=isAbsolute?"":srcPath.length?srcPath.shift():"";var authInHost=!!(result.host&&0<result.host.indexOf("@"))&&result.host.split("@");authInHost&&(result.auth=authInHost.shift(),result.host=result.hostname=authInHost.shift())}return mustEndAbs=mustEndAbs||result.host&&srcPath.length,mustEndAbs&&!isAbsolute&&srcPath.unshift(""),srcPath.length?result.pathname=srcPath.join("/"):(result.pathname=null,result.path=null),util.isNull(result.pathname)&&util.isNull(result.search)||(result.path=(result.pathname?result.pathname:"")+(result.search?result.search:"")),result.auth=relative.auth||result.auth,result.slashes=result.slashes||relative.slashes,result.href=result.format(),result},Url.prototype.parseHost=function(){var host=this.host,port=portPattern.exec(host);port&&(port=port[0],":"!==port&&(this.port=port.substr(1)),host=host.substr(0,host.length-port.length)),host&&(this.hostname=host)}},{"./util":274,punycode:201,querystring:204}],274:[function(require,module,exports){"use strict";module.exports={isString:function(arg){return"string"==typeof arg},isObject:function(arg){return"object"==typeof arg&&null!==arg},isNull:function(arg){return null===arg},isNullOrUndefined:function(arg){return null==arg}}},{}],275:[function(require,module,exports){(function(Buffer){(function(){/*! ut_metadata. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const{EventEmitter}=require("events"),bencode=require("bencode"),BitField=require("bitfield").default,debug=require("debug")("ut_metadata"),sha1=require("simple-sha1"),MAX_METADATA_SIZE=1E7,BITFIELD_GROW=1E3,PIECE_LENGTH=16384;module.exports=metadata=>{class utMetadata extends EventEmitter{constructor(wire){super(),this._wire=wire,this._fetching=!1,this._metadataComplete=!1,this._metadataSize=null,this._remainingRejects=null,this._bitfield=new BitField(0,{grow:BITFIELD_GROW}),Buffer.isBuffer(metadata)&&this.setMetadata(metadata)}onHandshake(infoHash,peerId,extensions){this._infoHash=infoHash}onExtendedHandshake(handshake){return handshake.m&&handshake.m.ut_metadata?handshake.metadata_size?"number"!=typeof handshake.metadata_size||MAX_METADATA_SIZE<handshake.metadata_size||0>=handshake.metadata_size?this.emit("warning",new Error("Peer gave invalid metadata size")):void(this._metadataSize=handshake.metadata_size,this._numPieces=_Mathceil(this._metadataSize/PIECE_LENGTH),this._remainingRejects=2*this._numPieces,this._requestPieces()):this.emit("warning",new Error("Peer does not have metadata")):this.emit("warning",new Error("Peer does not support ut_metadata"))}onMessage(buf){let dict,trailer;try{const str=buf.toString(),trailerIndex=str.indexOf("ee")+2;dict=bencode.decode(str.substring(0,trailerIndex)),trailer=buf.slice(trailerIndex)}catch(err){return}switch(dict.msg_type){case 0:this._onRequest(dict.piece);break;case 1:this._onData(dict.piece,trailer,dict.total_size);break;case 2:this._onReject(dict.piece);}}fetch(){this._metadataComplete||(this._fetching=!0,this._metadataSize&&this._requestPieces())}cancel(){this._fetching=!1}setMetadata(metadata){if(this._metadataComplete)return!0;debug("set metadata");try{const info=bencode.decode(metadata).info;info&&(metadata=bencode.encode(info))}catch(err){}return!(this._infoHash&&this._infoHash!==sha1.sync(metadata))&&(this.cancel(),this.metadata=metadata,this._metadataComplete=!0,this._metadataSize=this.metadata.length,this._wire.extendedHandshake.metadata_size=this._metadataSize,this.emit("metadata",bencode.encode({info:bencode.decode(this.metadata)})),!0)}_send(dict,trailer){let buf=bencode.encode(dict);Buffer.isBuffer(trailer)&&(buf=Buffer.concat([buf,trailer])),this._wire.extended("ut_metadata",buf)}_request(piece){this._send({msg_type:0,piece})}_data(piece,buf,totalSize){const msg={msg_type:1,piece};"number"==typeof totalSize&&(msg.total_size=totalSize),this._send(msg,buf)}_reject(piece){this._send({msg_type:2,piece})}_onRequest(piece){if(!this._metadataComplete)return void this._reject(piece);const start=piece*PIECE_LENGTH;let end=start+PIECE_LENGTH;end>this._metadataSize&&(end=this._metadataSize);const buf=this.metadata.slice(start,end);this._data(piece,buf,this._metadataSize)}_onData(piece,buf,totalSize){buf.length>PIECE_LENGTH||!this._fetching||(buf.copy(this.metadata,piece*PIECE_LENGTH),this._bitfield.set(piece),this._checkDone())}_onReject(piece){0<this._remainingRejects&&this._fetching?(this._request(piece),this._remainingRejects-=1):this.emit("warning",new Error("Peer sent \"reject\" too much"))}_requestPieces(){if(this._fetching){this.metadata=Buffer.alloc(this._metadataSize);for(let piece=0;piece<this._numPieces;piece++)this._request(piece)}}_checkDone(){let done=!0;for(let piece=0;piece<this._numPieces;piece++)if(!this._bitfield.get(piece)){done=!1;break}if(done){const success=this.setMetadata(this.metadata);success||this._failedMetadata()}}_failedMetadata(){this._bitfield=new BitField(0,{grow:BITFIELD_GROW}),this._remainingRejects-=this._numPieces,0<this._remainingRejects?this._requestPieces():this.emit("warning",new Error("Peer sent invalid metadata"))}}return utMetadata.prototype.name="ut_metadata",utMetadata}}).call(this)}).call(this,require("buffer").Buffer)},{bencode:27,bitfield:31,buffer:75,debug:90,events:122,"simple-sha1":247}],276:[function(require,module,exports){(function(global){(function(){function deprecate(fn,msg){function deprecated(){if(!warned){if(config("throwDeprecation"))throw new Error(msg);else config("traceDeprecation")?console.trace(msg):console.warn(msg);warned=!0}return fn.apply(this,arguments)}if(config("noDeprecation"))return fn;var warned=!1;return deprecated}function config(name){try{if(!global.localStorage)return!1}catch(_){return!1}var val=global.localStorage[name];return null!=val&&"true"===(val+"").toLowerCase()}module.exports=deprecate}).call(this)}).call(this,"undefined"==typeof global?"undefined"==typeof self?"undefined"==typeof window?{}:window:self:global)},{}],277:[function(require,module,exports){(function(Buffer){(function(){function empty(){return{version:0,flags:0,entries:[]}}const bs=require("binary-search"),EventEmitter=require("events"),mp4=require("mp4-stream"),Box=require("mp4-box-encoding"),RangeSliceStream=require("range-slice-stream"),FIND_MOOV_SEEK_SIZE=4096;class MP4Remuxer extends EventEmitter{constructor(file){super(),this._tracks=[],this._file=file,this._decoder=null,this._findMoov(0)}_findMoov(offset){this._decoder&&this._decoder.destroy();let toSkip=0;this._decoder=mp4.decode();const fileStream=this._file.createReadStream({start:offset});fileStream.pipe(this._decoder);const boxHandler=headers=>{"moov"===headers.type?(this._decoder.removeListener("box",boxHandler),this._decoder.decode(moov=>{fileStream.destroy();try{this._processMoov(moov)}catch(err){err.message=`Cannot parse mp4 file: ${err.message}`,this.emit("error",err)}})):headers.length<FIND_MOOV_SEEK_SIZE?(toSkip+=headers.length,this._decoder.ignore()):(this._decoder.removeListener("box",boxHandler),toSkip+=headers.length,fileStream.destroy(),this._decoder.destroy(),this._findMoov(offset+toSkip))};this._decoder.on("box",boxHandler)}_processMoov(moov){const traks=moov.traks;this._tracks=[],this._hasVideo=!1,this._hasAudio=!1;for(let i=0;i<traks.length;i++){const trak=traks[i],stbl=trak.mdia.minf.stbl,stsdEntry=stbl.stsd.entries[0],handlerType=trak.mdia.hdlr.handlerType;let codec,mime;if("vide"===handlerType&&"avc1"===stsdEntry.type){if(this._hasVideo)continue;this._hasVideo=!0,codec="avc1",stsdEntry.avcC&&(codec+=`.${stsdEntry.avcC.mimeCodec}`),mime=`video/mp4; codecs="${codec}"`}else if("soun"===handlerType&&"mp4a"===stsdEntry.type){if(this._hasAudio)continue;this._hasAudio=!0,codec="mp4a",stsdEntry.esds&&stsdEntry.esds.mimeCodec&&(codec+=`.${stsdEntry.esds.mimeCodec}`),mime=`audio/mp4; codecs="${codec}"`}else continue;const samples=[];let sample=0,sampleInChunk=0,chunk=0,offsetInChunk=0,sampleToChunkIndex=0,dts=0;const decodingTimeEntry=new RunLengthIndex(stbl.stts.entries);let presentationOffsetEntry=null;stbl.ctts&&(presentationOffsetEntry=new RunLengthIndex(stbl.ctts.entries));for(let syncSampleIndex=0;!0;){var currChunkEntry=stbl.stsc.entries[sampleToChunkIndex];const size=stbl.stsz.entries[sample],duration=decodingTimeEntry.value.duration,presentationOffset=presentationOffsetEntry?presentationOffsetEntry.value.compositionOffset:0;let sync=!0;stbl.stss&&(sync=stbl.stss.entries[syncSampleIndex]===sample+1);const chunkOffsetTable=stbl.stco||stbl.co64;if(samples.push({size,duration,dts,presentationOffset,sync,offset:offsetInChunk+chunkOffsetTable.entries[chunk]}),sample++,sample>=stbl.stsz.entries.length)break;if(sampleInChunk++,offsetInChunk+=size,sampleInChunk>=currChunkEntry.samplesPerChunk){sampleInChunk=0,offsetInChunk=0,chunk++;const nextChunkEntry=stbl.stsc.entries[sampleToChunkIndex+1];nextChunkEntry&&chunk+1>=nextChunkEntry.firstChunk&&sampleToChunkIndex++}dts+=duration,decodingTimeEntry.inc(),presentationOffsetEntry&&presentationOffsetEntry.inc(),sync&&syncSampleIndex++}trak.mdia.mdhd.duration=0,trak.tkhd.duration=0;const defaultSampleDescriptionIndex=currChunkEntry.sampleDescriptionId,trackMoov={type:"moov",mvhd:moov.mvhd,traks:[{tkhd:trak.tkhd,mdia:{mdhd:trak.mdia.mdhd,hdlr:trak.mdia.hdlr,elng:trak.mdia.elng,minf:{vmhd:trak.mdia.minf.vmhd,smhd:trak.mdia.minf.smhd,dinf:trak.mdia.minf.dinf,stbl:{stsd:stbl.stsd,stts:empty(),ctts:empty(),stsc:empty(),stsz:empty(),stco:empty(),stss:empty()}}}}],mvex:{mehd:{fragmentDuration:moov.mvhd.duration},trexs:[{trackId:trak.tkhd.trackId,defaultSampleDescriptionIndex,defaultSampleDuration:0,defaultSampleSize:0,defaultSampleFlags:0}]}};this._tracks.push({fragmentSequence:1,trackId:trak.tkhd.trackId,timeScale:trak.mdia.mdhd.timeScale,samples,currSample:null,currTime:null,moov:trackMoov,mime})}if(0===this._tracks.length)return void this.emit("error",new Error("no playable tracks"));moov.mvhd.duration=0,this._ftyp={type:"ftyp",brand:"iso5",brandVersion:0,compatibleBrands:["iso5"]};const ftypBuf=Box.encode(this._ftyp),data=this._tracks.map(track=>{const moovBuf=Box.encode(track.moov);return{mime:track.mime,init:Buffer.concat([ftypBuf,moovBuf])}});this.emit("ready",data)}seek(time){if(!this._tracks)throw new Error("Not ready yet; wait for 'ready' event");this._fileStream&&(this._fileStream.destroy(),this._fileStream=null);let startOffset=-1;if(this._tracks.map((track,i)=>{track.outStream&&track.outStream.destroy(),track.inStream&&(track.inStream.destroy(),track.inStream=null);const outStream=track.outStream=mp4.encode(),fragment=this._generateFragment(i,time);if(!fragment)return outStream.finalize();(-1===startOffset||fragment.ranges[0].start<startOffset)&&(startOffset=fragment.ranges[0].start);const writeFragment=frag=>{outStream.destroyed||outStream.box(frag.moof,err=>{if(err)return this.emit("error",err);if(!outStream.destroyed){const slicedStream=track.inStream.slice(frag.ranges);slicedStream.pipe(outStream.mediaData(frag.length,err=>{if(err)return this.emit("error",err);if(!outStream.destroyed){const nextFrag=this._generateFragment(i);return nextFrag?void writeFragment(nextFrag):outStream.finalize()}}))}})};writeFragment(fragment)}),0<=startOffset){const fileStream=this._fileStream=this._file.createReadStream({start:startOffset});this._tracks.forEach(track=>{track.inStream=new RangeSliceStream(startOffset,{highWaterMark:1e7}),fileStream.pipe(track.inStream)})}return this._tracks.map(track=>track.outStream)}_findSampleBefore(trackInd,time){const track=this._tracks[trackInd],scaledTime=_Mathfloor(track.timeScale*time);let sample=bs(track.samples,scaledTime,(sample,t)=>{const pts=sample.dts+sample.presentationOffset;return pts-t});for(-1===sample?sample=0:0>sample&&(sample=-sample-2);!track.samples[sample].sync;)sample--;return sample}_generateFragment(track,time){const currTrack=this._tracks[track];let firstSample;if(firstSample=void 0===time?currTrack.currSample:this._findSampleBefore(track,time),firstSample>=currTrack.samples.length)return null;const startDts=currTrack.samples[firstSample].dts;let totalLen=0;const ranges=[];for(var currSample=firstSample;currSample<currTrack.samples.length;currSample++){const sample=currTrack.samples[currSample];if(sample.sync&&sample.dts-startDts>=currTrack.timeScale*MIN_FRAGMENT_DURATION)break;totalLen+=sample.size;const currRange=ranges.length-1;0>currRange||ranges[currRange].end!==sample.offset?ranges.push({start:sample.offset,end:sample.offset+sample.size}):ranges[currRange].end+=sample.size}return currTrack.currSample=currSample,{moof:this._generateMoof(track,firstSample,currSample),ranges,length:totalLen}}_generateMoof(track,firstSample,lastSample){const currTrack=this._tracks[track],entries=[];let trunVersion=0;for(let j=firstSample;j<lastSample;j++){const currSample=currTrack.samples[j];0>currSample.presentationOffset&&(trunVersion=1),entries.push({sampleDuration:currSample.duration,sampleSize:currSample.size,sampleFlags:currSample.sync?33554432:16842752,sampleCompositionTimeOffset:currSample.presentationOffset})}const moof={type:"moof",mfhd:{sequenceNumber:currTrack.fragmentSequence++},trafs:[{tfhd:{flags:131072,trackId:currTrack.trackId},tfdt:{baseMediaDecodeTime:currTrack.samples[firstSample].dts},trun:{flags:3841,dataOffset:8,entries,version:trunVersion}}]};return moof.trafs[0].trun.dataOffset+=Box.encodingLength(moof),moof}}class RunLengthIndex{constructor(entries,countName){this._entries=entries,this._countName=countName||"count",this._index=0,this._offset=0,this.value=this._entries[0]}inc(){this._offset++,this._offset>=this._entries[this._index][this._countName]&&(this._index++,this._offset=0),this.value=this._entries[this._index]}}const MIN_FRAGMENT_DURATION=1;module.exports=MP4Remuxer}).call(this)}).call(this,require("buffer").Buffer)},{"binary-search":30,buffer:75,events:122,"mp4-box-encoding":171,"mp4-stream":174,"range-slice-stream":211}],278:[function(require,module,exports){function VideoStream(file,mediaElem,opts={}){return this instanceof VideoStream?void(this.detailedError=null,this._elem=mediaElem,this._elemWrapper=new MediaElementWrapper(mediaElem),this._waitingFired=!1,this._trackMeta=null,this._file=file,this._tracks=null,"none"!==this._elem.preload&&this._createMuxer(),this._onError=()=>{this.detailedError=this._elemWrapper.detailedError,this.destroy()},this._onWaiting=()=>{this._waitingFired=!0,this._muxer?this._tracks&&this._pump():this._createMuxer()},mediaElem.autoplay&&(mediaElem.preload="auto"),mediaElem.addEventListener("waiting",this._onWaiting),mediaElem.addEventListener("error",this._onError)):(console.warn("Don't invoke VideoStream without the 'new' keyword."),new VideoStream(file,mediaElem,opts))}const MediaElementWrapper=require("mediasource"),pump=require("pump"),MP4Remuxer=require("./mp4-remuxer");VideoStream.prototype={_createMuxer(){this._muxer=new MP4Remuxer(this._file),this._muxer.on("ready",data=>{this._tracks=data.map(trackData=>{const mediaSource=this._elemWrapper.createWriteStream(trackData.mime);mediaSource.on("error",err=>{this._elemWrapper.error(err)});const track={muxed:null,mediaSource,initFlushed:!1,onInitFlushed:null};return mediaSource.write(trackData.init,err=>{track.initFlushed=!0,track.onInitFlushed&&track.onInitFlushed(err)}),track}),(this._waitingFired||"auto"===this._elem.preload)&&this._pump()}),this._muxer.on("error",err=>{this._elemWrapper.error(err)})},_pump(){const muxed=this._muxer.seek(this._elem.currentTime,!this._tracks);this._tracks.forEach((track,i)=>{const pumpTrack=()=>{track.muxed&&(track.muxed.destroy(),track.mediaSource=this._elemWrapper.createWriteStream(track.mediaSource),track.mediaSource.on("error",err=>{this._elemWrapper.error(err)})),track.muxed=muxed[i],pump(track.muxed,track.mediaSource)};track.initFlushed?pumpTrack():track.onInitFlushed=err=>err?void this._elemWrapper.error(err):void pumpTrack()})},destroy(){this.destroyed||(this.destroyed=!0,this._elem.removeEventListener("waiting",this._onWaiting),this._elem.removeEventListener("error",this._onError),this._tracks&&this._tracks.forEach(track=>{track.muxed&&track.muxed.destroy()}),this._elem.src="")}},module.exports=VideoStream},{"./mp4-remuxer":277,mediasource:159,pump:200}],279:[function(require,module,exports){function wrappy(fn,cb){function wrapper(){for(var args=Array(arguments.length),i=0;i<args.length;i++)args[i]=arguments[i];var ret=fn.apply(this,args),cb=args[args.length-1];return"function"==typeof ret&&ret!==cb&&Object.keys(cb).forEach(function(k){ret[k]=cb[k]}),ret}if(fn&&cb)return wrappy(fn)(cb);if("function"!=typeof fn)throw new TypeError("need wrapper function");return Object.keys(fn).forEach(function(k){wrapper[k]=fn[k]}),wrapper}module.exports=wrappy},{}],280:[function(require,module,exports){function extend(){for(var target={},i=0,source;i<arguments.length;i++)for(var key in source=arguments[i],source)hasOwnProperty.call(source,key)&&(target[key]=source[key]);return target}module.exports=extend;var hasOwnProperty=Object.prototype.hasOwnProperty},{}],281:[function(require,module,exports){module.exports={version:"1.8.30"}},{}],282:[function(require,module,exports){(function(Buffer){(function(){function isReadable(obj){return"object"==typeof obj&&null!=obj&&"function"==typeof obj.pipe}function isFileList(obj){return"undefined"!=typeof FileList&&obj instanceof FileList}/*! webtorrent. MIT License. WebTorrent LLC <https://webtorrent.io/opensource> */const EventEmitter=require("events"),path=require("path"),concat=require("simple-concat"),createTorrent=require("create-torrent"),debugFactory=require("debug"),DHT=require("bittorrent-dht/client"),loadIPSet=require("load-ip-set"),parallel=require("run-parallel"),parseTorrent=require("parse-torrent"),Peer=require("simple-peer"),queueMicrotask=require("queue-microtask"),randombytes=require("randombytes"),sha1=require("simple-sha1"),throughput=require("throughput"),{ThrottleGroup}=require("speed-limiter"),ConnPool=require("./lib/conn-pool.js"),Torrent=require("./lib/torrent.js"),{version:VERSION}=require("./package.json"),debug=debugFactory("webtorrent"),VERSION_STR=VERSION.replace(/\d*./g,v=>`0${v%100}`.slice(-2)).slice(0,4),VERSION_PREFIX=`-WW${VERSION_STR}-`;class WebTorrent extends EventEmitter{constructor(opts={}){super(),this.peerId="string"==typeof opts.peerId?opts.peerId:Buffer.isBuffer(opts.peerId)?opts.peerId.toString("hex"):Buffer.from(VERSION_PREFIX+randombytes(9).toString("base64")).toString("hex"),this.peerIdBuffer=Buffer.from(this.peerId,"hex"),this.nodeId="string"==typeof opts.nodeId?opts.nodeId:Buffer.isBuffer(opts.nodeId)?opts.nodeId.toString("hex"):randombytes(20).toString("hex"),this.nodeIdBuffer=Buffer.from(this.nodeId,"hex"),this._debugId=this.peerId.toString("hex").substring(0,7),this.destroyed=!1,this.listening=!1,this.torrentPort=opts.torrentPort||0,this.dhtPort=opts.dhtPort||0,this.tracker=opts.tracker===void 0?{}:opts.tracker,this.lsd=!1!==opts.lsd,this.torrents=[],this.maxConns=+opts.maxConns||55,this.utp=WebTorrent.UTP_SUPPORT&&!1!==opts.utp,this._downloadLimit=_Mathmax("number"==typeof opts.downloadLimit?opts.downloadLimit:-1,-1),this._uploadLimit=_Mathmax("number"==typeof opts.uploadLimit?opts.uploadLimit:-1,-1),this.serviceWorker=null,this.workerKeepAliveInterval=null,this.workerPortCount=0,!0===opts.secure&&require("./lib/peer").enableSecure(),this._debug("new webtorrent (peerId %s, nodeId %s, port %s)",this.peerId,this.nodeId,this.torrentPort),this.throttleGroups={down:new ThrottleGroup({rate:_Mathmax(this._downloadLimit,0),enabled:0<=this._downloadLimit}),up:new ThrottleGroup({rate:_Mathmax(this._uploadLimit,0),enabled:0<=this._uploadLimit})},this.tracker&&("object"!=typeof this.tracker&&(this.tracker={}),globalThis.WRTC&&!this.tracker.wrtc&&(this.tracker.wrtc=globalThis.WRTC)),"function"==typeof ConnPool?this._connPool=new ConnPool(this):queueMicrotask(()=>{this._onListening()}),this._downloadSpeed=throughput(),this._uploadSpeed=throughput(),!1!==opts.dht&&"function"==typeof DHT?(this.dht=new DHT(Object.assign({},{nodeId:this.nodeId},opts.dht)),this.dht.once("error",err=>{this._destroy(err)}),this.dht.once("listening",()=>{const address=this.dht.address();address&&(this.dhtPort=address.port)}),this.dht.setMaxListeners(0),this.dht.listen(this.dhtPort)):this.dht=!1,this.enableWebSeeds=!1!==opts.webSeeds;const ready=()=>{this.destroyed||(this.ready=!0,this.emit("ready"))};"function"==typeof loadIPSet&&null!=opts.blocklist?loadIPSet(opts.blocklist,{headers:{"user-agent":`WebTorrent/${VERSION} (https://webtorrent.io)`}},(err,ipSet)=>err?console.error(`Failed to load blocklist: ${err.message}`):void(this.blocked=ipSet,ready())):queueMicrotask(ready)}loadWorker(controller,cb=()=>{}){if(!(controller instanceof ServiceWorker))throw new Error("Invalid worker registration");if("activated"!==controller.state)throw new Error("Worker isn't activated");const keepAliveTime=2e4;this.serviceWorker=controller,navigator.serviceWorker.addEventListener("message",event=>{const{data}=event;if(!data.type||"webtorrent"===!data.type||!data.url)return null;let[infoHash,...filePath]=data.url.slice(data.url.indexOf(data.scope+"webtorrent/")+11+data.scope.length).split("/");if(filePath=decodeURI(filePath.join("/")),!infoHash||!filePath)return null;const[port]=event.ports,file=this.get(infoHash)&&this.get(infoHash).files.find(file=>file.path===filePath);if(!file)return null;const[response,stream,raw]=file._serve(data),asyncIterator=stream&&stream[Symbol.asyncIterator](),cleanup=()=>{port.onmessage=null,stream&&stream.destroy(),raw&&raw.destroy(),this.workerPortCount--,this.workerPortCount||(clearInterval(this.workerKeepAliveInterval),this.workerKeepAliveInterval=null)};port.onmessage=async msg=>{if(msg.data){let chunk;try{chunk=(await asyncIterator.next()).value}catch(e){}port.postMessage(chunk),chunk||cleanup(),this.workerKeepAliveInterval||(this.workerKeepAliveInterval=setInterval(()=>fetch(`${this.serviceWorker.scriptURL.slice(0,this.serviceWorker.scriptURL.lastIndexOf("/")+1).slice(window.location.origin.length)}webtorrent/keepalive/`),keepAliveTime))}else cleanup()},this.workerPortCount++,port.postMessage(response)}),fetch(`${this.serviceWorker.scriptURL.slice(0,this.serviceWorker.scriptURL.lastIndexOf("/")+1).slice(window.location.origin.length)}webtorrent/cancel/`).then(res=>{res.body.cancel()}),cb(null,this.serviceWorker)}get downloadSpeed(){return this._downloadSpeed()}get uploadSpeed(){return this._uploadSpeed()}get progress(){const torrents=this.torrents.filter(torrent=>1!==torrent.progress),downloaded=torrents.reduce((total,torrent)=>total+torrent.downloaded,0),length=torrents.reduce((total,torrent)=>total+(torrent.length||0),0)||1;return downloaded/length}get ratio(){const uploaded=this.torrents.reduce((total,torrent)=>total+torrent.uploaded,0),received=this.torrents.reduce((total,torrent)=>total+torrent.received,0)||1;return uploaded/received}get(torrentId){if(!(torrentId instanceof Torrent)){let parsed;try{parsed=parseTorrent(torrentId)}catch(err){}if(!parsed)return null;if(!parsed.infoHash)throw new Error("Invalid torrent identifier");for(const torrent of this.torrents)if(torrent.infoHash===parsed.infoHash)return torrent}else if(this.torrents.includes(torrentId))return torrentId;return null}add(torrentId,opts={},ontorrent=()=>{}){function onClose(){torrent.removeListener("_infoHash",onInfoHash),torrent.removeListener("ready",onReady),torrent.removeListener("close",onClose)}if(this.destroyed)throw new Error("client is destroyed");"function"==typeof opts&&([opts,ontorrent]=[{},opts]);const onInfoHash=()=>{if(!this.destroyed)for(const t of this.torrents)if(t.infoHash===torrent.infoHash&&t!==torrent)return torrent._destroy(new Error(`Cannot add duplicate torrent ${torrent.infoHash}`)),void ontorrent(t)},onReady=()=>{this.destroyed||(ontorrent(torrent),this.emit("torrent",torrent))};this._debug("add"),opts=opts?Object.assign({},opts):{};const torrent=new Torrent(torrentId,this,opts);return this.torrents.push(torrent),torrent.once("_infoHash",onInfoHash),torrent.once("ready",onReady),torrent.once("close",onClose),torrent}seed(input,opts,onseed){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof opts&&([opts,onseed]=[{},opts]),this._debug("seed"),opts=opts?Object.assign({},opts):{},opts.skipVerify=!0;const isFilePath="string"==typeof input;isFilePath&&(opts.path=path.dirname(input)),opts.createdBy||(opts.createdBy=`WebTorrent/${VERSION_STR}`);const onTorrent=torrent=>{const tasks=[cb=>isFilePath||opts.preloadedStore?cb():void torrent.load(streams,cb)];this.dht&&tasks.push(cb=>{torrent.once("dhtAnnounce",cb)}),parallel(tasks,err=>this.destroyed?void 0:err?torrent._destroy(err):void _onseed(torrent))},_onseed=torrent=>{this._debug("on seed"),"function"==typeof onseed&&onseed(torrent),torrent.emit("seed"),this.emit("seed",torrent)},torrent=this.add(null,opts,onTorrent);let streams;return isFileList(input)?input=Array.from(input):!Array.isArray(input)&&(input=[input]),parallel(input.map(item=>cb=>{!opts.preloadedStore&&isReadable(item)?concat(item,(err,buf)=>err?cb(err):void(buf.name=item.name,cb(null,buf))):cb(null,item)}),(err,input)=>this.destroyed?void 0:err?torrent._destroy(err):void createTorrent.parseInput(input,opts,(err,files)=>this.destroyed?void 0:err?torrent._destroy(err):void(streams=files.map(file=>file.getStream),createTorrent(input,opts,(err,torrentBuf)=>{if(!this.destroyed){if(err)return torrent._destroy(err);const existingTorrent=this.get(torrentBuf);existingTorrent?(console.warn("A torrent with the same id is already being seeded"),torrent._destroy(),"function"==typeof onseed&&onseed(existingTorrent)):torrent._onTorrentId(torrentBuf)}})))),torrent}remove(torrentId,opts,cb){if("function"==typeof opts)return this.remove(torrentId,null,opts);this._debug("remove");const torrent=this.get(torrentId);if(!torrent)throw new Error(`No torrent with id ${torrentId}`);this._remove(torrentId,opts,cb)}_remove(torrentId,opts,cb){if("function"==typeof opts)return this._remove(torrentId,null,opts);const torrent=this.get(torrentId);torrent&&(this.torrents.splice(this.torrents.indexOf(torrent),1),torrent.destroy(opts,cb),this.dht&&this.dht._tables.remove(torrent.infoHash))}address(){return this.listening?this._connPool?this._connPool.tcpServer.address():{address:"0.0.0.0",family:"IPv4",port:0}:null}throttleDownload(rate){return(rate=+rate,!(isNaN(rate)||!isFinite(rate)||-1>rate))&&(this._downloadLimit=rate,0>this._downloadLimit?this.throttleGroups.down.setEnabled(!1):void(this.throttleGroups.down.setEnabled(!0),this.throttleGroups.down.setRate(this._downloadLimit)))}throttleUpload(rate){return(rate=+rate,!(isNaN(rate)||!isFinite(rate)||-1>rate))&&(this._uploadLimit=rate,0>this._uploadLimit?this.throttleGroups.up.setEnabled(!1):void(this.throttleGroups.up.setEnabled(!0),this.throttleGroups.up.setRate(this._uploadLimit)))}destroy(cb){if(this.destroyed)throw new Error("client already destroyed");this._destroy(null,cb)}_destroy(err,cb){this._debug("client destroy"),this.destroyed=!0;const tasks=this.torrents.map(torrent=>cb=>{torrent.destroy(cb)});this._connPool&&tasks.push(cb=>{this._connPool.destroy(cb)}),this.dht&&tasks.push(cb=>{this.dht.destroy(cb)}),parallel(tasks,cb),err&&this.emit("error",err),this.torrents=[],this._connPool=null,this.dht=null,this.throttleGroups.down.destroy(),this.throttleGroups.up.destroy()}_onListening(){if(this._debug("listening"),this.listening=!0,this._connPool){const address=this._connPool.tcpServer.address();address&&(this.torrentPort=address.port)}this.emit("listening")}_debug(){const args=[].slice.call(arguments);args[0]=`[${this._debugId}] ${args[0]}`,debug(...args)}_getByHash(infoHashHash){for(const torrent of this.torrents)if(torrent.infoHashHash||(torrent.infoHashHash=sha1.sync(Buffer.from("72657132"+torrent.infoHash,"hex"))),infoHashHash===torrent.infoHashHash)return torrent;return null}}WebTorrent.WEBRTC_SUPPORT=Peer.WEBRTC_SUPPORT,WebTorrent.UTP_SUPPORT=ConnPool.UTP_SUPPORT,WebTorrent.VERSION=VERSION,module.exports=WebTorrent}).call(this)}).call(this,require("buffer").Buffer)},{"./lib/conn-pool.js":41,"./lib/peer":3,"./lib/torrent.js":5,"./package.json":281,"bittorrent-dht/client":41,buffer:75,"create-torrent":88,debug:90,events:122,"load-ip-set":41,"parse-torrent":183,path:184,"queue-microtask":205,randombytes:208,"run-parallel":232,"simple-concat":244,"simple-peer":246,"simple-sha1":247,"speed-limiter":250,throughput:267}]},{},[282])(282)});
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