7 lines
174 KiB
JavaScript
7 lines
174 KiB
JavaScript
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(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.sanitizeHtml=f()}})(function(){var define,module,exports;return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var htmlparser=require("htmlparser2");var extend=require("xtend");var quoteRegexp=require("regexp-quote");function each(obj,cb){if(obj)Object.keys(obj).forEach(function(key){cb(obj[key],key)})}function has(obj,key){return{}.hasOwnProperty.call(obj,key)}module.exports=sanitizeHtml;function sanitizeHtml(html,options,_recursing){var result="";function Frame(tag,attribs){var that=this;this.tag=tag;this.attribs=attribs||{};this.tagPosition=result.length;this.text="";this.updateParentNodeText=function(){if(stack.length){var parentFrame=stack[stack.length-1];parentFrame.text+=that.text}}}if(!options){options=sanitizeHtml.defaults;options.parser=htmlParserDefaults}else{options=extend(sanitizeHtml.defaults,options);if(options.parser){options.parser=extend(htmlParserDefaults,options.parser)}else{options.parser=htmlParserDefaults}}var nonTextTagsArray=options.nonTextTags||["script","style","textarea"];var allowedAttributesMap;var allowedAttributesGlobMap;if(options.allowedAttributes){allowedAttributesMap={};allowedAttributesGlobMap={};each(options.allowedAttributes,function(attributes,tag){allowedAttributesMap[tag]=[];var globRegex=[];attributes.forEach(function(name){if(name.indexOf("*")>=0){globRegex.push(quoteRegexp(name).replace(/\\\*/g,".*"))}else{allowedAttributesMap[tag].push(name)}});allowedAttributesGlobMap[tag]=new RegExp("^("+globRegex.join("|")+")$")})}var allowedClassesMap={};each(options.allowedClasses,function(classes,tag){if(allowedAttributesMap){if(!has(allowedAttributesMap,tag)){allowedAttributesMap[tag]=[]}allowedAttributesMap[tag].push("class")}allowedClassesMap[tag]=classes});var transformTagsMap={};var transformTagsAll;each(options.transformTags,function(transform,tag){var transFun;if(typeof transform==="function"){transFun=transform}else if(typeof transform==="string"){transFun=sanitizeHtml.simpleTransform(transform)}if(tag==="*"){transformTagsAll=transFun}else{transformTagsMap[tag]=transFun}});var depth=0;var stack=[];var skipMap={};var transformMap={};var skipText=false;var skipTextDepth=0;var parser=new htmlparser.Parser({onopentag:function(name,attribs){if(skipText){skipTextDepth++;return}var frame=new Frame(name,attribs);stack.push(frame);var skip=false;var hasText=frame.text?true:false;var transformedTag;if(has(transformTagsMap,name)){transformedTag=transformTagsMap[name](name,attribs);frame.attribs=attribs=transformedTag.attribs;if(transformedTag.text!==undefined){frame.innerText=transformedTag.text}if(name!==transformedTag.tagName){frame.name=name=transformedTag.tagName;transformMap[depth]=transformedTag.tagName}}if(transformTagsAll){transformedTag=transformTagsAll(name,attribs);frame.attribs=attribs=transformedTag.attribs;if(name!==transformedTag.tagName){frame.name=name=transformedTag.tagName;transformMap[depth]=transformedTag.tagName}}if(options.allowedTags&&options.allowedTags.indexOf(name)===-1){skip=true;if(nonTextTagsArray.indexOf(name)!==-1){skipText=true;skipTextDepth=1}skipMap[depth]=true}depth++;if(skip){return}result+="<"+name;if(!allowedAttributesMap||has(allowedAttributesMap,name)||allowedAttributesMap["*"]){each(attribs,function(value,a){if(!allowedAttributesMap||has(allowedAttributesMap,name)&&allowedAttributesMap[name].indexOf(a)!==-1||allowedAttribute
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var i=byteLength;var mul=1;var val=this[offset+--i];while(i>0&&(mul*=256)){val+=this[offset+--i]*mul}mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readInt8=function readInt8(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);if(!(this[offset]&128))return this[offset];return(255-this[offset]+1)*-1};Buffer.prototype.readInt16LE=function readInt16LE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt16BE=function readInt16BE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt32LE=function readInt32LE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24};Buffer.prototype.readInt32BE=function readInt32BE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]};Buffer.prototype.readFloatLE=function readFloatLE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,true,23,4)};Buffer.prototype.readFloatBE=function readFloatBE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,false,23,4)};Buffer.prototype.readDoubleLE=function readDoubleLE(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,true,52,8)};Buffer.prototype.readDoubleBE=function readDoubleBE(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,false,52,8)};function checkInt(buf,value,offset,ext,max,min){if(!Buffer.isBuffer(buf))throw new TypeError('"buffer" argument must be a Buffer instance');if(value>max||value<min)throw new RangeError('"value" argument is out of bounds');if(offset+ext>buf.length)throw new RangeError("Index out of range")}Buffer.prototype.writeUIntLE=function writeUIntLE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;byteLength=byteLength|0;if(!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var mul=1;var i=0;this[offset]=value&255;while(++i<byteLength&&(mul*=256)){this[offset+i]=value/mul&255}return offset+byteLength};Buffer.prototype.writeUIntBE=function writeUIntBE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;byteLength=byteLength|0;if(!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var i=byteLength-1;var mul=1;this[offset+i]=value&255;while(--i>=0&&(mul*=256)){this[offset+i]=value/mul&255}return offset+byteLength};Buffer.prototype.writeUInt8=function writeUInt8(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,1,255,0);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);this[offset]=value&255;return offset+1};function objectWriteUInt16(buf,value,offset,littleEndian){if(value<0)value=65535+value+1;for(var i=0,j=Math.min(buf.length-offset,2);i<j;++i){buf[offset+i]=(value&255<<8*(littleEndian?i:1-i))>>>(littleEndian?i:1-i)*8}}Buffer.prototype.writeUInt16LE=function writeUInt16LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value&255;this[offset+1]=value>>>8}else{objectWriteUInt16(this,value,offset,true)}return offset+2};Buffer.prototype.writeUInt16BE=function writeUInt16BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value&255}else{objectWriteUInt16(this,value,offset,false)}return offset+2};function objectWriteUInt32(buf,value,offset,littleEndian){if(value<0)value=4294967295+value+1;for(var i=0,j=Math.min(buf.length-offset,4);i<j;++i){buf[offset+i]=value>>>(littleEndian?i:3-i)*8&255}}Buffer.prototype.writeUInt32LE=function writeUInt32L
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}}module.exports={XML:decodeXMLStrict,HTML:decodeHTML,HTMLStrict:decodeHTMLStrict}},{"../maps/entities.json":25,"../maps/legacy.json":26,"../maps/xml.json":27,"./decode_codepoint.js":22}],22:[function(require,module,exports){var decodeMap=require("../maps/decode.json");module.exports=decodeCodePoint;function decodeCodePoint(codePoint){if(codePoint>=55296&&codePoint<=57343||codePoint>1114111){return"<22>"}if(codePoint in decodeMap){codePoint=decodeMap[codePoint]}var output="";if(codePoint>65535){codePoint-=65536;output+=String.fromCharCode(codePoint>>>10&1023|55296);codePoint=56320|codePoint&1023}output+=String.fromCharCode(codePoint);return output}},{"../maps/decode.json":24}],23:[function(require,module,exports){var inverseXML=getInverseObj(require("../maps/xml.json")),xmlReplacer=getInverseReplacer(inverseXML);exports.XML=getInverse(inverseXML,xmlReplacer);var inverseHTML=getInverseObj(require("../maps/entities.json")),htmlReplacer=getInverseReplacer(inverseHTML);exports.HTML=getInverse(inverseHTML,htmlReplacer);function getInverseObj(obj){return Object.keys(obj).sort().reduce(function(inverse,name){inverse[obj[name]]="&"+name+";";return inverse},{})}function getInverseReplacer(inverse){var single=[],multiple=[];Object.keys(inverse).forEach(function(k){if(k.length===1){single.push("\\"+k)}else{multiple.push(k)}});multiple.unshift("["+single.join("")+"]");return new RegExp(multiple.join("|"),"g")}var re_nonASCII=/[^\0-\x7F]/g,re_astralSymbols=/[\uD800-\uDBFF][\uDC00-\uDFFF]/g;function singleCharReplacer(c){return"&#x"+c.charCodeAt(0).toString(16).toUpperCase()+";"}function astralReplacer(c){var high=c.charCodeAt(0);var low=c.charCodeAt(1);var codePoint=(high-55296)*1024+low-56320+65536;return"&#x"+codePoint.toString(16).toUpperCase()+";"}function getInverse(inverse,re){function func(name){return inverse[name]}return function(data){return data.replace(re,func).replace(re_astralSymbols,astralReplacer).replace(re_nonASCII,singleCharReplacer)}}var re_xmlChars=getInverseReplacer(inverseXML);function escapeXML(data){return data.replace(re_xmlChars,singleCharReplacer).replace(re_astralSymbols,astralReplacer).replace(re_nonASCII,singleCharReplacer)}exports.escape=escapeXML},{"../maps/entities.json":25,"../maps/xml.json":27}],24:[function(require,module,exports){module.exports={0:65533,128:8364,130:8218,131:402,132:8222,133:8230,134:8224,135:8225,136:710,137:8240,138:352,139:8249,140:338,142:381,145:8216,146:8217,147:8220,148:8221,149:8226,150:8211,151:8212,152:732,153:8482,154:353,155:8250,156:339,158:382,159:376}},{}],25:[function(require,module,exports){module.exports={Aacute:"Á",aacute:"á",Abreve:"Ă",abreve:"ă",ac:"∾",acd:"∿",acE:"∾̳",Acirc:"Â",acirc:"â",acute:"´",Acy:"А",acy:"а",AElig:"Æ",aelig:"æ",af:"",Afr:"𝔄",afr:"𝔞",Agrave:"À",agrave:"à",alefsym:"ℵ",aleph:"ℵ",Alpha:"Α",alpha:"α",Amacr:"Ā",amacr:"ā",amalg:"⨿",amp:"&",AMP:"&",andand:"⩕",And:"⩓",and:"∧",andd:"⩜",andslope:"⩘",andv:"⩚",ang:"∠",ange:"⦤",angle:"∠",angmsdaa:"⦨",angmsdab:"⦩",angmsdac:"⦪",angmsdad:"⦫",angmsdae:"⦬",angmsdaf:"⦭",angmsdag:"⦮",angmsdah:"⦯",angmsd:"∡",angrt:"∟",angrtvb:"⊾",angrtvbd:"⦝",angsph:"∢",angst:"Å",angzarr:"⍼",Aogon:"Ą",aogon:"ą",Aopf:"𝔸",aopf:"𝕒",apacir:"⩯",ap:"≈",apE:"⩰",ape:"≊",apid:"≋",apos:"'",ApplyFunction:"",approx:"≈",approxeq:"≊",Aring:"Å",aring:"å",Ascr:"𝒜",ascr:"𝒶",Assign:"≔",ast:"*",asymp:"≈",asympeq:"≍",Atilde:"Ã",atilde:"ã",Auml:"Ä",auml:"ä",awconint:"∳",awint:"⨑",backcong:"≌",backepsilon:"϶",backprime:"‵",backsim:"∽",backsimeq:"⋍",Backslash:"∖",Barv:"⫧",barvee:"⊽",barwed:"⌅",Barwed:"⌆",barwedge:"⌅",bbrk:"⎵",bbrktbrk:"⎶",bcong:"≌",Bcy:"Б",bcy:"б",bdquo:"„",becaus:"∵",because:"∵",Because:"∵",bemptyv:"⦰",bepsi:"϶",bernou:"ℬ",Bernoullis:"ℬ",Beta:"Β",beta:"β",beth:"ℶ",between:"≬",Bfr:"𝔅",bfr:"𝔟",bigcap:"⋂",bigcirc:"◯",bigcup:"⋃",bigodot:"⨀",bigoplus:"⨁",bigotimes:"⨂",bigsqcup:"⨆",bigstar:"★",bigtriangledown:"▽",bigtriangleup:"△"
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}if(this._events.removeListener)this.emit("removeListener",type,listener)}return this};EventEmitter.prototype.removeAllListeners=function(type){var key,listeners;if(!this._events)return this;if(!this._events.removeListener){if(arguments.length===0)this._events={};else if(this._events[type])delete this._events[type];return this}if(arguments.length===0){for(key in this._events){if(key==="removeListener")continue;this.removeAllListeners(key)}this.removeAllListeners("removeListener");this._events={};return this}listeners=this._events[type];if(isFunction(listeners)){this.removeListener(type,listeners)}else if(listeners){while(listeners.length)this.removeListener(type,listeners[listeners.length-1])}delete this._events[type];return this};EventEmitter.prototype.listeners=function(type){var ret;if(!this._events||!this._events[type])ret=[];else if(isFunction(this._events[type]))ret=[this._events[type]];else ret=this._events[type].slice();return ret};EventEmitter.prototype.listenerCount=function(type){if(this._events){var evlistener=this._events[type];if(isFunction(evlistener))return 1;else if(evlistener)return evlistener.length}return 0};EventEmitter.listenerCount=function(emitter,type){return emitter.listenerCount(type)};function isFunction(arg){return typeof arg==="function"}function isNumber(arg){return typeof arg==="number"}function isObject(arg){return typeof arg==="object"&&arg!==null}function isUndefined(arg){return arg===void 0}},{}],29:[function(require,module,exports){module.exports=CollectingHandler;function CollectingHandler(cbs){this._cbs=cbs||{};this.events=[]}var EVENTS=require("./").EVENTS;Object.keys(EVENTS).forEach(function(name){if(EVENTS[name]===0){name="on"+name;CollectingHandler.prototype[name]=function(){this.events.push([name]);if(this._cbs[name])this._cbs[name]()}}else if(EVENTS[name]===1){name="on"+name;CollectingHandler.prototype[name]=function(a){this.events.push([name,a]);if(this._cbs[name])this._cbs[name](a)}}else if(EVENTS[name]===2){name="on"+name;CollectingHandler.prototype[name]=function(a,b){this.events.push([name,a,b]);if(this._cbs[name])this._cbs[name](a,b)}}else{throw Error("wrong number of arguments")}});CollectingHandler.prototype.onreset=function(){this.events=[];if(this._cbs.onreset)this._cbs.onreset()};CollectingHandler.prototype.restart=function(){if(this._cbs.onreset)this._cbs.onreset();for(var i=0,len=this.events.length;i<len;i++){if(this._cbs[this.events[i][0]]){var num=this.events[i].length;if(num===1){this._cbs[this.events[i][0]]()}else if(num===2){this._cbs[this.events[i][0]](this.events[i][1])}else{this._cbs[this.events[i][0]](this.events[i][1],this.events[i][2])}}}}},{"./":36}],30:[function(require,module,exports){var index=require("./index.js"),DomHandler=index.DomHandler,DomUtils=index.DomUtils;function FeedHandler(callback,options){this.init(callback,options)}require("inherits")(FeedHandler,DomHandler);FeedHandler.prototype.init=DomHandler;function getElements(what,where){return DomUtils.getElementsByTagName(what,where,true)}function getOneElement(what,where){return DomUtils.getElementsByTagName(what,where,true,1)[0]}function fetch(what,where,recurse){return DomUtils.getText(DomUtils.getElementsByTagName(what,where,recurse,1)).trim()}function addConditionally(obj,prop,what,where,recurse){var tmp=fetch(what,where,recurse);if(tmp)obj[prop]=tmp}var isValidFeed=function(value){return value==="rss"||value==="feed"||value==="rdf:RDF"};FeedHandler.prototype.onend=function(){var feed={},feedRoot=getOneElement(isValidFeed,this.dom),tmp,childs;if(feedRoot){if(feedRoot.name==="feed"){childs=feedRoot.children;feed.type="atom";addConditionally(feed,"id","id",childs);addConditionally(feed,"title","title",childs);if((tmp=getOneElement("link",childs))&&(tmp=tmp.attribs)&&(tmp=tmp.href))feed.link=tmp;addConditionally(feed,"description","subtitle",childs);if(tmp=fetch("updated",childs))feed.updated=new Date(tmp);addConditionally(feed,"author","email",childs,true);feed.items=getElements("entry",childs).map(function(item){var entry={},tmp;item=item.children;addConditionally(entry,"id","id",item)
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this._cbs.ontext(data)}};Tokenizer.prototype.reset=function(){Tokenizer.call(this,{xmlMode:this._xmlMode,decodeEntities:this._decodeEntities},this._cbs)};Tokenizer.prototype.getAbsoluteIndex=function(){return this._bufferOffset+this._index};Tokenizer.prototype._getSection=function(){return this._buffer.substring(this._sectionStart,this._index)};Tokenizer.prototype._emitToken=function(name){this._cbs[name](this._getSection());this._sectionStart=-1};Tokenizer.prototype._emitPartial=function(value){if(this._baseState!==TEXT){this._cbs.onattribdata(value)}else{this._cbs.ontext(value)}}},{"entities/lib/decode_codepoint.js":22,"entities/maps/entities.json":25,"entities/maps/legacy.json":26,"entities/maps/xml.json":27}],35:[function(require,module,exports){module.exports=Stream;var Parser=require("./Parser.js"),WritableStream=require("stream").Writable||require("readable-stream").Writable,StringDecoder=require("string_decoder").StringDecoder,Buffer=require("buffer").Buffer;function Stream(cbs,options){var parser=this._parser=new Parser(cbs,options);var decoder=this._decoder=new StringDecoder;WritableStream.call(this,{decodeStrings:false});this.once("finish",function(){parser.end(decoder.end())})}require("inherits")(Stream,WritableStream);WritableStream.prototype._write=function(chunk,encoding,cb){if(chunk instanceof Buffer)chunk=this._decoder.write(chunk);this._parser.write(chunk);cb()}},{"./Parser.js":31,buffer:5,inherits:38,"readable-stream":3,stream:55,string_decoder:56}],36:[function(require,module,exports){var Parser=require("./Parser.js"),DomHandler=require("domhandler");function defineProp(name,value){delete module.exports[name];module.exports[name]=value;return value}module.exports={Parser:Parser,Tokenizer:require("./Tokenizer.js"),ElementType:require("domelementtype"),DomHandler:DomHandler,get FeedHandler(){return defineProp("FeedHandler",require("./FeedHandler.js"))},get Stream(){return defineProp("Stream",require("./Stream.js"))},get WritableStream(){return defineProp("WritableStream",require("./WritableStream.js"))},get ProxyHandler(){return defineProp("ProxyHandler",require("./ProxyHandler.js"))},get DomUtils(){return defineProp("DomUtils",require("domutils"))},get CollectingHandler(){return defineProp("CollectingHandler",require("./CollectingHandler.js"))},DefaultHandler:DomHandler,get RssHandler(){return defineProp("RssHandler",this.FeedHandler)},parseDOM:function(data,options){var handler=new DomHandler(options);new Parser(handler,options).end(data);return handler.dom},parseFeed:function(feed,options){var handler=new module.exports.FeedHandler(options);new Parser(handler,options).end(feed);return handler.dom},createDomStream:function(cb,options,elementCb){var handler=new DomHandler(cb,options,elementCb);return new Parser(handler,options)},EVENTS:{attribute:2,cdatastart:0,cdataend:0,text:1,processinginstruction:2,comment:1,commentend:0,closetag:1,opentag:2,opentagname:1,error:1,end:0}}},{"./CollectingHandler.js":29,"./FeedHandler.js":30,"./Parser.js":31,"./ProxyHandler.js":32,"./Stream.js":33,"./Tokenizer.js":34,"./WritableStream.js":35,domelementtype:9,domhandler:10,domutils:13}],37:[function(require,module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m;var eLen=nBytes*8-mLen-1;var eMax=(1<<eLen)-1;var eBias=eMax>>1;var nBits=-7;var i=isLE?nBytes-1:0;var d=isLE?-1:1;var s=buffer[offset+i];i+=d;e=s&(1<<-nBits)-1;s>>=-nBits;nBits+=eLen;for(;nBits>0;e=e*256+buffer[offset+i],i+=d,nBits-=8){}m=e&(1<<-nBits)-1;e>>=-nBits;nBits+=mLen;for(;nBits>0;m=m*256+buffer[offset+i],i+=d,nBits-=8){}if(e===0){e=1-eBias}else if(e===eMax){return m?NaN:(s?-1:1)*Infinity}else{m=m+Math.pow(2,mLen);e=e-eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)};exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c;var eLen=nBytes*8-mLen-1;var eMax=(1<<eLen)-1;var eBias=eMax>>1;var rt=mLen===23?Math.pow(2,-24)-Math.pow(2,-77):0;var i=isLE?0:nBytes-1;var d=isLE?1:-1;var s=value<0||value===0&&1/value<0?1:0;value=Math.abs(value);if(isNaN(value)||value===Infinity){m=isNaN(value)?1:0;e=eMax}else{e=Math.floor(Math.log(v
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state.pendingcb++;ret=writeOrBuffer(this,state,chunk,encoding,cb)}return ret};Writable.prototype.cork=function(){var state=this._writableState;state.corked++};Writable.prototype.uncork=function(){var state=this._writableState;if(state.corked){state.corked--;if(!state.writing&&!state.corked&&!state.finished&&!state.bufferProcessing&&state.bufferedRequest)clearBuffer(this,state)}};Writable.prototype.setDefaultEncoding=function setDefaultEncoding(encoding){if(typeof encoding==="string")encoding=encoding.toLowerCase();if(!(["hex","utf8","utf-8","ascii","binary","base64","ucs2","ucs-2","utf16le","utf-16le","raw"].indexOf((encoding+"").toLowerCase())>-1))throw new TypeError("Unknown encoding: "+encoding);this._writableState.defaultEncoding=encoding;return this};function decodeChunk(state,chunk,encoding){if(!state.objectMode&&state.decodeStrings!==false&&typeof chunk==="string"){chunk=bufferShim.from(chunk,encoding)}return chunk}function writeOrBuffer(stream,state,chunk,encoding,cb){chunk=decodeChunk(state,chunk,encoding);if(Buffer.isBuffer(chunk))encoding="buffer";var len=state.objectMode?1:chunk.length;state.length+=len;var ret=state.length<state.highWaterMark;if(!ret)state.needDrain=true;if(state.writing||state.corked){var last=state.lastBufferedRequest;state.lastBufferedRequest=new WriteReq(chunk,encoding,cb);if(last){last.next=state.lastBufferedRequest}else{state.bufferedRequest=state.lastBufferedRequest}state.bufferedRequestCount+=1}else{doWrite(stream,state,false,len,chunk,encoding,cb)}return ret}function doWrite(stream,state,writev,len,chunk,encoding,cb){state.writelen=len;state.writecb=cb;state.writing=true;state.sync=true;if(writev)stream._writev(chunk,state.onwrite);else stream._write(chunk,encoding,state.onwrite);state.sync=false}function onwriteError(stream,state,sync,er,cb){--state.pendingcb;if(sync)processNextTick(cb,er);else cb(er);stream._writableState.errorEmitted=true;stream.emit("error",er)}function onwriteStateUpdate(state){state.writing=false;state.writecb=null;state.length-=state.writelen;state.writelen=0}function onwrite(stream,er){var state=stream._writableState;var sync=state.sync;var cb=state.writecb;onwriteStateUpdate(state);if(er)onwriteError(stream,state,sync,er,cb);else{var finished=needFinish(state);if(!finished&&!state.corked&&!state.bufferProcessing&&state.bufferedRequest){clearBuffer(stream,state)}if(sync){asyncWrite(afterWrite,stream,state,finished,cb)}else{afterWrite(stream,state,finished,cb)}}}function afterWrite(stream,state,finished,cb){if(!finished)onwriteDrain(stream,state);state.pendingcb--;cb();finishMaybe(stream,state)}function onwriteDrain(stream,state){if(state.length===0&&state.needDrain){state.needDrain=false;stream.emit("drain")}}function clearBuffer(stream,state){state.bufferProcessing=true;var entry=state.bufferedRequest;if(stream._writev&&entry&&entry.next){var l=state.bufferedRequestCount;var buffer=new Array(l);var holder=state.corkedRequestsFree;holder.entry=entry;var count=0;while(entry){buffer[count]=entry;entry=entry.next;count+=1}doWrite(stream,state,true,state.length,buffer,"",holder.finish);state.pendingcb++;state.lastBufferedRequest=null;if(holder.next){state.corkedRequestsFree=holder.next;holder.next=null}else{state.corkedRequestsFree=new CorkedRequest(state)}}else{while(entry){var chunk=entry.chunk;var encoding=entry.encoding;var cb=entry.callback;var len=state.objectMode?1:chunk.length;doWrite(stream,state,false,len,chunk,encoding,cb);entry=entry.next;if(state.writing){break}}if(entry===null)state.lastBufferedRequest=null}state.bufferedRequestCount=0;state.bufferedRequest=entry;state.bufferProcessing=false}Writable.prototype._write=function(chunk,encoding,cb){cb(new Error("not implemented"))};Writable.prototype._writev=null;Writable.prototype.end=function(chunk,encoding,cb){var state=this._writableState;if(typeof chunk==="function"){cb=chunk;chunk=null;encoding=null}else if(typeof encoding==="function"){cb=encoding;encoding=null}if(chunk!==null&&chunk!==undefined)this.write(chunk,encoding);if(state.corked){state.corked=1;this.uncork()}if(!state.ending&&!state.fi
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