@vue-office/pptx/lib/v2/index.js

支持多种文件(**docx、excel、pdf、pptx**)预览的vue组件库，支持vue2/3。也支持非Vue框架的预览。

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  JSZip v3.10.1 - A JavaScript class for generating and reading zip files
  <http://stuartk.com/jszip>

  (c) 2009-2016 Stuart Knightley <stuart [at] stuartk.com>
  Dual licenced under the MIT license or GPLv3. See https://raw.github.com/Stuk/jszip/main/LICENSE.markdown.

  JSZip uses the library pako released under the MIT license :
  https://github.com/nodeca/pako/blob/main/LICENSE
  */(function(r,e){(function(t){r.exports=t()})(function(){return function t(n,a,i){function o(u,c){if(!a[u]){if(!n[u]){var f=typeof ih=="function"&&ih;if(!c&&f)return f(u,!0);if(s)return s(u,!0);var d=new Error("Cannot find module '"+u+"'");throw d.code="MODULE_NOT_FOUND",d}var v=a[u]={exports:{}};n[u][0].call(v.exports,function(p){var y=n[u][1][p];return o(y||p)},v,v.exports,t,n,a,i)}return a[u].exports}for(var s=typeof ih=="function"&&ih,l=0;l<i.length;l++)o(i[l]);return o}({1:[function(t,n,a){var i=t("./utils"),o=t("./support"),s="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";a.encode=function(l){for(var u,c,f,d,v,p,y,_=[],g=0,h=l.length,w=h,b=i.getTypeOf(l)!=="string";g<l.length;)w=h-g,f=b?(u=l[g++],c=g<h?l[g++]:0,g<h?l[g++]:0):(u=l.charCodeAt(g++),c=g<h?l.charCodeAt(g++):0,g<h?l.charCodeAt(g++):0),d=u>>2,v=(3&u)<<4|c>>4,p=1<w?(15&c)<<2|f>>6:64,y=2<w?63&f:64,_.push(s.charAt(d)+s.charAt(v)+s.charAt(p)+s.charAt(y));return _.join("")},a.decode=function(l){var u,c,f,d,v,p,y=0,_=0,g="data:";if(l.substr(0,g.length)===g)throw new Error("Invalid base64 input, it looks like a data url.");var h,w=3*(l=l.replace(/[^A-Za-z0-9+/=]/g,"")).length/4;if(l.charAt(l.length-1)===s.charAt(64)&&w--,l.charAt(l.length-2)===s.charAt(64)&&w--,w%1!=0)throw new Error("Invalid base64 input, bad content length.");for(h=o.uint8array?new Uint8Array(0|w):new Array(0|w);y<l.length;)u=s.indexOf(l.charAt(y++))<<2|(d=s.indexOf(l.charAt(y++)))>>4,c=(15&d)<<4|(v=s.indexOf(l.charAt(y++)))>>2,f=(3&v)<<6|(p=s.indexOf(l.charAt(y++))),h[_++]=u,v!==64&&(h[_++]=c),p!==64&&(h[_++]=f);return h}},{"./support":30,"./utils":32}],2:[function(t,n,a){var i=t("./external"),o=t("./stream/DataWorker"),s=t("./stream/Crc32Probe"),l=t("./stream/DataLengthProbe");function u(c,f,d,v,p){this.compressedSize=c,this.uncompressedSize=f,this.crc32=d,this.compression=v,this.compressedContent=p}u.prototype={getContentWorker:function(){var c=new o(i.Promise.resolve(this.compressedContent)).pipe(this.compression.uncompressWorker()).pipe(new l("data_length")),f=this;return c.on("end",function(){if(this.streamInfo.data_length!==f.uncompressedSize)throw new Error("Bug : uncompressed data size mismatch")}),c},getCompressedWorker:function(){return new o(i.Promise.resolve(this.compressedContent)).withStreamInfo("compressedSize",this.compressedSize).withStreamInfo("uncompressedSize",this.uncompressedSize).withStreamInfo("crc32",this.crc32).withStreamInfo("compression",this.compression)}},u.createWorkerFrom=function(c,f,d){return c.pipe(new s).pipe(new l("uncompressedSize")).pipe(f.compressWorker(d)).pipe(new l("compressedSize")).withStreamInfo("compression",f)},n.exports=u},{"./external":6,"./stream/Crc32Probe":25,"./stream/DataLengthProbe":26,"./stream/DataWorker":27}],3:[function(t,n,a){var i=t("./stream/GenericWorker");a.STORE={magic:"\0\0",compressWorker:function(){return new i("STORE compression")},uncompressWorker:function(){return new i("STORE decompression")}},a.DEFLATE=t("./flate")},{"./flate":7,"./stream/GenericWorker":28}],4:[function(t,n,a){var i=t("./utils"),o=function(){for(var s,l=[],u=0;u<256;u++){s=u;for(var c=0;c<8;c++)s=1&s?3988292384^s>>>1:s>>>1;l[u]=s}return l}();n.exports=function(s,l){return s!==void 0&&s.length?i.getTypeOf(s)!=="string"?function(u,c,f,d){var v=o,p=d+f;u^=-1;for(var y=d;y<p;y++)u=u>>>8^v[255&(u^c[y])];return-1^u}(0|l,s,s.length,0):function(u,c,f,d){var v=o,p=d+f;u^=-1;for(var y=d;y<p;y++)u=u>>>8^v[255&(u^c.charCodeAt(y))];return-1^u}(0|l,s,s.length,0):0}},{"./utils":32}],5:[function(t,n,a){a.base64=!1,a.binary=!1,a.dir=!1,a.createFolders=!0,a.date=null,a.compression=null,a.compressionOptions=null,a.comment=null,a.unixPermissions=null,a.dosPermissions=null},{}],6:[function(t,n,a){var i=null;i=typeof Promise!="undefined"?Promise:t("lie"),n.exports={Promise:i}},{lie:37}],7:[function(t,n,a){var i=typeof Uint8Array!="undefined"&&typeof Uint16Array!="undefined"&&typeof Uint32Array!="undefined",o=t("pako"),s=t("./utils"),l=t("./stream/GenericWorker"),u=i?"uint8array":"array";function c(f,d){l.call(this,"FlateWorker/"+f),this._pako=null,this._pakoAction=f,this._pakoOptions=d,this.meta={}}a.magic="\b\0",s.inherits(c,l),c.prototype.processChunk=function(f){this.meta=f.meta,this._pako===null&&this._createPako(),this._pako.push(s.transformTo(u,f.data),!1)},c.prototype.flush=function(){l.prototype.flush.call(this),this._pako===null&&this._createPako(),this._pako.push([],!0)},c.prototype.cleanUp=function(){l.prototype.cleanUp.call(this),this._pako=null},c.prototype._createPako=function(){this._pako=new o[this._pakoAction]({raw:!0,level:this._pakoOptions.level||-1});var f=this;this._pako.onData=function(d){f.push({data:d,meta:f.meta})}},a.compressWorker=function(f){return new c("Deflate",f)},a.uncompressWorker=function(){return new c("Inflate",{})}},{"./stream/GenericWorker":28,"./utils":32,pako:38}],8:[function(t,n,a){function i(v,p){var y,_="";for(y=0;y<p;y++)_+=String.fromCharCode(255&v),v>>>=8;return _}function o(v,p,y,_,g,h){var w,b,S=v.file,A=v.compression,T=h!==u.utf8encode,D=s.transformTo("string",h(S.name)),L=s.transformTo("string",u.utf8encode(S.name)),I=S.comment,P=s.transformTo("string",h(I)),E=s.transformTo("string",u.utf8encode(I)),R=L.length!==S.name.length,M=E.length!==I.length,B="",F="",W="",j=S.dir,H=S.date,K={crc32:0,compressedSize:0,uncompressedSize:0};p&&!y||(K.crc32=v.crc32,K.compressedSize=v.compressedSize,K.uncompressedSize=v.uncompressedSize);var U=0;p&&(U|=8),T||!R&&!M||(U|=2048);var $=0,ut=0;j&&($|=16),g==="UNIX"?(ut=798,$|=function(it,Nt){var Kt=it;return it||(Kt=Nt?16893:33204),(65535&Kt)<<16}(S.unixPermissions,j)):(ut=20,$|=function(it){return 63&(it||0)}(S.dosPermissions)),w=H.getUTCHours(),w<<=6,w|=H.getUTCMinutes(),w<<=5,w|=H.getUTCSeconds()/2,b=H.getUTCFullYear()-1980,b<<=4,b|=H.getUTCMonth()+1,b<<=5,b|=H.getUTCDate(),R&&(F=i(1,1)+i(c(D),4)+L,B+="up"+i(F.length,2)+F),M&&(W=i(1,1)+i(c(P),4)+E,B+="uc"+i(W.length,2)+W);var ot="";return ot+=`
\0`,ot+=i(U,2),ot+=A.magic,ot+=i(w,2),ot+=i(b,2),ot+=i(K.crc32,4),ot+=i(K.compressedSize,4),ot+=i(K.uncompressedSize,4),ot+=i(D.length,2),ot+=i(B.length,2),{fileRecord:f.LOCAL_FILE_HEADER+ot+D+B,dirRecord:f.CENTRAL_FILE_HEADER+i(ut,2)+ot+i(P.length,2)+"\0\0\0\0"+i($,4)+i(_,4)+D+B+P}}var s=t("../utils"),l=t("../stream/GenericWorker"),u=t("../utf8"),c=t("../crc32"),f=t("../signature");function d(v,p,y,_){l.call(this,"ZipFileWorker"),this.bytesWritten=0,this.zipComment=p,this.zipPlatform=y,this.encodeFileName=_,this.streamFiles=v,this.accumulate=!1,this.contentBuffer=[],this.dirRecords=[],this.currentSourceOffset=0,this.entriesCount=0,this.currentFile=null,this._sources=[]}s.inherits(d,l),d.prototype.push=function(v){var p=v.meta.percent||0,y=this.entriesCount,_=this._sources.length;this.accumulate?this.contentBuffer.push(v):(this.bytesWritten+=v.data.length,l.prototype.push.call(this,{data:v.data,meta:{currentFile:this.currentFile,percent:y?(p+100*(y-_-1))/y:100}}))},d.prototype.openedSource=function(v){this.currentSourceOffset=this.bytesWritten,this.currentFile=v.file.name;var p=this.streamFiles&&!v.file.dir;if(p){var y=o(v,p,!1,this.currentSourceOffset,this.zipPlatform,this.encodeFileName);this.push({data:y.fileRecord,meta:{percent:0}})}else this.accumulate=!0},d.prototype.closedSource=function(v){this.accumulate=!1;var p=this.streamFiles&&!v.file.dir,y=o(v,p,!0,this.currentSourceOffset,this.zipPlatform,this.encodeFileName);if(this.dirRecords.push(y.dirRecord),p)this.push({data:function(_){return f.DATA_DESCRIPTOR+i(_.crc32,4)+i(_.compressedSize,4)+i(_.uncompressedSize,4)}(v),meta:{percent:100}});else for(this.push({data:y.fileRecord,meta:{percent:0}});this.contentBuffer.length;)this.push(this.contentBuffer.shift());this.currentFile=null},d.prototype.flush=function(){for(var v=this.bytesWritten,p=0;p<this.dirRecords.length;p++)this.push({data:this.dirRecords[p],meta:{percent:100}});var y=this.bytesWritten-v,_=function(g,h,w,b,S){var A=s.transformTo("string",S(b));return f.CENTRAL_DIRECTORY_END+"\0\0\0\0"+i(g,2)+i(g,2)+i(h,4)+i(w,4)+i(A.length,2)+A}(this.dirRecords.length,y,v,this.zipComment,this.encodeFileName);this.push({data:_,meta:{percent:100}})},d.prototype.prepareNextSource=function(){this.previous=this._sources.shift(),this.openedSource(this.previous.streamInfo),this.isPaused?this.previous.pause():this.previous.resume()},d.prototype.registerPrevious=function(v){this._sources.push(v);var p=this;return v.on("data",function(y){p.processChunk(y)}),v.on("end",function(){p.closedSource(p.previous.streamInfo),p._sources.length?p.prepareNextSource():p.end()}),v.on("error",function(y){p.error(y)}),this},d.prototype.resume=function(){return!!l.prototype.resume.call(this)&&(!this.previous&&this._sources.length?(this.prepareNextSource(),!0):this.previous||this._sources.length||this.generatedError?void 0:(this.end(),!0))},d.prototype.error=function(v){var p=this._sources;if(!l.prototype.error.call(this,v))return!1;for(var y=0;y<p.length;y++)try{p[y].error(v)}catch(_){}return!0},d.prototype.lock=function(){l.prototype.lock.call(this);for(var v=this._sources,p=0;p<v.length;p++)v[p].lock()},n.exports=d},{"../crc32":4,"../signature":23,"../stream/GenericWorker":28,"../utf8":31,"../utils":32}],9:[function(t,n,a){var i=t("../compressions"),o=t("./ZipFileWorker");a.generateWorker=function(s,l,u){var c=new o(l.streamFiles,u,l.platform,l.encodeFileName),f=0;try{s.forEach(function(d,v){f++;var p=function(h,w){var b=h||w,S=i[b];if(!S)throw new Error(b+" is not a valid compression method !");return S}(v.options.compression,l.compression),y=v.options.compressionOptions||l.compressionOptions||{},_=v.dir,g=v.date;v._compressWorker(p,y).withStreamInfo("file",{name:d,dir:_,date:g,comment:v.comment||"",unixPermissions:v.unixPermissions,dosPermissions:v.dosPermissions}).pipe(c)}),c.entriesCount=f}catch(d){c.error(d)}return c}},{"../compressions":3,"./ZipFileWorker":8}],10:[function(t,n,a){function i(){if(!(this instanceof i))return new i;if(arguments.length)throw new Error("The constructor with parameters has been removed in JSZip 3.0, please check the upgrade guide.");this.files=Object.create(null),this.comment=null,this.root="",this.clone=function(){var o=new i;for(var s in this)typeof this[s]!="function"&&(o[s]=this[s]);return o}}(i.prototype=t("./object")).loadAsync=t("./load"),i.support=t("./support"),i.defaults=t("./defaults"),i.version="3.10.1",i.loadAsync=function(o,s){return new i().loadAsync(o,s)},i.external=t("./external"),n.exports=i},{"./defaults":5,"./external":6,"./load":11,"./object":15,"./support":30}],11:[function(t,n,a){var i=t("./utils"),o=t("./external"),s=t("./utf8"),l=t("./zipEntries"),u=t("./stream/Crc32Probe"),c=t("./nodejsUtils");function f(d){return new o.Promise(function(v,p){var y=d.decompressed.getContentWorker().pipe(new u);y.on("error",function(_){p(_)}).on("end",function(){y.streamInfo.crc32!==d.decompressed.crc32?p(new Error("Corrupted zip : CRC32 mismatch")):v()}).resume()})}n.exports=function(d,v){var p=this;return v=i.extend(v||{},{base64:!1,checkCRC32:!1,optimizedBinaryString:!1,createFolders:!1,decodeFileName:s.utf8decode}),c.isNode&&c.isStream(d)?o.Promise.reject(new Error("JSZip can't accept a stream when loading a zip file.")):i.prepareContent("the loaded zip file",d,!0,v.optimizedBinaryString,v.base64).then(function(y){var _=new l(v);return _.load(y),_}).then(function(y){var _=[o.Promise.resolve(y)],g=y.files;if(v.checkCRC32)for(var h=0;h<g.length;h++)_.push(f(g[h]));return o.Promise.all(_)}).then(function(y){for(var _=y.shift(),g=_.files,h=0;h<g.length;h++){var w=g[h],b=w.fileNameStr,S=i.resolve(w.fileNameStr);p.file(S,w.decompressed,{binary:!0,optimizedBinaryString:!0,date:w.date,dir:w.dir,comment:w.fileCommentStr.length?w.fileCommentStr:null,unixPermissions:w.unixPermissions,dosPermissions:w.dosPermissions,createFolders:v.createFolders}),w.dir||(p.file(S).unsafeOriginalName=b)}return _.zipComment.length&&(p.comment=_.zipComment),p})}},{"./external":6,"./nodejsUtils":14,"./stream/Crc32Probe":25,"./utf8":31,"./utils":32,"./zipEntries":33}],12:[function(t,n,a){var i=t("../utils"),o=t("../stream/GenericWorker");function s(l,u){o.call(this,"Nodejs stream input adapter for "+l),this._upstreamEnded=!1,this._bindStream(u)}i.inherits(s,o),s.prototype._bindStream=function(l){var u=this;(this._stream=l).pause(),l.on("data",function(c){u.push({data:c,meta:{percent:0}})}).on("error",function(c){u.isPaused?this.generatedError=c:u.error(c)}).on("end",function(){u.isPaused?u._upstreamEnded=!0:u.end()})},s.prototype.pause=function(){return!!o.prototype.pause.call(this)&&(this._stream.pause(),!0)},s.prototype.resume=function(){return!!o.prototype.resume.call(this)&&(this._upstreamEnded?this.end():this._stream.resume(),!0)},n.exports=s},{"../stream/GenericWorker":28,"../utils":32}],13:[function(t,n,a){var i=t("readable-stream").Readable;function o(s,l,u){i.call(this,l),this._helper=s;var c=this;s.on("data",function(f,d){c.push(f)||c._helper.pause(),u&&u(d)}).on("error",function(f){c.emit("error",f)}).on("end",function(){c.push(null)})}t("../utils").inherits(o,i),o.prototype._read=function(){this._helper.resume()},n.exports=o},{"../utils":32,"readable-stream":16}],14:[function(t,n,a){n.exports={isNode:typeof Buffer!="undefined",newBufferFrom:function(i,o){if(Buffer.from&&Buffer.from!==Uint8Array.from)return Buffer.from(i,o);if(typeof i=="number")throw new Error('The "data" argument must not be a number');return new Buffer(i,o)},allocBuffer:function(i){if(Buffer.alloc)return Buffer.alloc(i);var o=new Buffer(i);return o.fill(0),o},isBuffer:function(i){return Buffer.isBuffer(i)},isStream:function(i){return i&&typeof i.on=="function"&&typeof i.pause=="function"&&typeof i.resume=="function"}}},{}],15:[function(t,n,a){function i(S,A,T){var D,L=s.getTypeOf(A),I=s.extend(T||{},c);I.date=I.date||new Date,I.compression!==null&&(I.compression=I.compression.toUpperCase()),typeof I.unixPermissions=="string"&&(I.unixPermissions=parseInt(I.unixPermissions,8)),I.unixPermissions&&16384&I.unixPermissions&&(I.dir=!0),I.dosPermissions&&16&I.dosPermissions&&(I.dir=!0),I.dir&&(S=g(S)),I.createFolders&&(D=_(S))&&h.call(this,D,!0);var P=L==="string"&&I.binary===!1&&I.base64===!1;T&&T.binary!==void 0||(I.binary=!P),(A instanceof f&&A.uncompressedSize===0||I.dir||!A||A.length===0)&&(I.base64=!1,I.binary=!0,A="",I.compression="STORE",L="string");var E=null;E=A instanceof f||A instanceof l?A:p.isNode&&p.isStream(A)?new y(S,A):s.prepareContent(S,A,I.binary,I.optimizedBinaryString,I.base64);var R=new d(S,E,I);this.files[S]=R}var o=t("./utf8"),s=t("./utils"),l=t("./stream/GenericWorker"),u=t("./stream/StreamHelper"),c=t("./defaults"),f=t("./compressedObject"),d=t("./zipObject"),v=t("./generate"),p=t("./nodejsUtils"),y=t("./nodejs/NodejsStreamInputAdapter"),_=function(S){S.slice(-1)==="/"&&(S=S.substring(0,S.length-1));var A=S.lastIndexOf("/");return 0<A?S.substring(0,A):""},g=function(S){return S.slice(-1)!=="/"&&(S+="/"),S},h=function(S,A){return A=A!==void 0?A:c.createFolders,S=g(S),this.files[S]||i.call(this,S,null,{dir:!0,createFolders:A}),this.files[S]};function w(S){return Object.prototype.toString.call(S)==="[object RegExp]"}var b={load:function(){throw new Error("This method 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g.append(y),g.getBlob(_)}catch(w){throw new Error("Bug : can't construct the Blob.")}}};var f={stringifyByChunk:function(y,_,g){var h=[],w=0,b=y.length;if(b<=g)return String.fromCharCode.apply(null,y);for(;w<b;)_==="array"||_==="nodebuffer"?h.push(String.fromCharCode.apply(null,y.slice(w,Math.min(w+g,b)))):h.push(String.fromCharCode.apply(null,y.subarray(w,Math.min(w+g,b)))),w+=g;return h.join("")},stringifyByChar:function(y){for(var _="",g=0;g<y.length;g++)_+=String.fromCharCode(y[g]);return _},applyCanBeUsed:{uint8array:function(){try{return i.uint8array&&String.fromCharCode.apply(null,new Uint8Array(1)).length===1}catch(y){return!1}}(),nodebuffer:function(){try{return i.nodebuffer&&String.fromCharCode.apply(null,s.allocBuffer(1)).length===1}catch(y){return!1}}()}};function d(y){var _=65536,g=a.getTypeOf(y),h=!0;if(g==="uint8array"?h=f.applyCanBeUsed.uint8array:g==="nodebuffer"&&(h=f.applyCanBeUsed.nodebuffer),h)for(;1<_;)try{return 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y.buffer},uint8array:u,nodebuffer:function(y){return s.newBufferFrom(y)}},p.nodebuffer={string:d,array:function(y){return v(y,new Array(y.length))},arraybuffer:function(y){return p.nodebuffer.uint8array(y).buffer},uint8array:function(y){return v(y,new Uint8Array(y.length))},nodebuffer:u},a.transformTo=function(y,_){if(_=_||"",!y)return _;a.checkSupport(y);var g=a.getTypeOf(_);return p[g][y](_)},a.resolve=function(y){for(var _=y.split("/"),g=[],h=0;h<_.length;h++){var w=_[h];w==="."||w===""&&h!==0&&h!==_.length-1||(w===".."?g.pop():g.push(w))}return g.join("/")},a.getTypeOf=function(y){return typeof y=="string"?"string":Object.prototype.toString.call(y)==="[object Array]"?"array":i.nodebuffer&&s.isBuffer(y)?"nodebuffer":i.uint8array&&y instanceof Uint8Array?"uint8array":i.arraybuffer&&y instanceof ArrayBuffer?"arraybuffer":void 0},a.checkSupport=function(y){if(!i[y.toLowerCase()])throw new Error(y+" is not supported by this platform")},a.MAX_VALUE_16BITS=65535,a.MAX_VALUE_32BITS=-1,a.pretty=function(y){var _,g,h="";for(g=0;g<(y||"").length;g++)h+="\\x"+((_=y.charCodeAt(g))<16?"0":"")+_.toString(16).toUpperCase();return h},a.delay=function(y,_,g){setImmediate(function(){y.apply(g||null,_||[])})},a.inherits=function(y,_){function g(){}g.prototype=_.prototype,y.prototype=new g},a.extend=function(){var y,_,g={};for(y=0;y<arguments.length;y++)for(_ in arguments[y])Object.prototype.hasOwnProperty.call(arguments[y],_)&&g[_]===void 0&&(g[_]=arguments[y][_]);return g},a.prepareContent=function(y,_,g,h,w){return l.Promise.resolve(_).then(function(b){return i.blob&&(b instanceof Blob||["[object File]","[object Blob]"].indexOf(Object.prototype.toString.call(b))!==-1)&&typeof FileReader!="undefined"?new l.Promise(function(S,A){var T=new FileReader;T.onload=function(D){S(D.target.result)},T.onerror=function(D){A(D.target.error)},T.readAsArrayBuffer(b)}):b}).then(function(b){var S=a.getTypeOf(b);return S?(S==="arraybuffer"?b=a.transformTo("uint8array",b):S==="string"&&(w?b=o.decode(b):g&&h!==!0&&(b=function(A){return c(A,i.uint8array?new Uint8Array(A.length):new Array(A.length))}(b))),b):l.Promise.reject(new Error("Can't read the data of '"+y+"'. Is it in a supported JavaScript type (String, Blob, ArrayBuffer, etc) ?"))})}},{"./base64":1,"./external":6,"./nodejsUtils":14,"./support":30,setimmediate:54}],33:[function(t,n,a){var i=t("./reader/readerFor"),o=t("./utils"),s=t("./signature"),l=t("./zipEntry"),u=t("./support");function c(f){this.files=[],this.loadOptions=f}c.prototype={checkSignature:function(f){if(!this.reader.readAndCheckSignature(f)){this.reader.index-=4;var d=this.reader.readString(4);throw new Error("Corrupted zip or bug: unexpected signature ("+o.pretty(d)+", expected "+o.pretty(f)+")")}},isSignature:function(f,d){var v=this.reader.index;this.reader.setIndex(f);var p=this.reader.readString(4)===d;return this.reader.setIndex(v),p},readBlockEndOfCentral:function(){this.diskNumber=this.reader.readInt(2),this.diskWithCentralDirStart=this.reader.readInt(2),this.centralDirRecordsOnThisDisk=this.reader.readInt(2),this.centralDirRecords=this.reader.readInt(2),this.centralDirSize=this.reader.readInt(4),this.centralDirOffset=this.reader.readInt(4),this.zipCommentLength=this.reader.readInt(2);var f=this.reader.readData(this.zipCommentLength),d=u.uint8array?"uint8array":"array",v=o.transformTo(d,f);this.zipComment=this.loadOptions.decodeFileName(v)},readBlockZip64EndOfCentral:function(){this.zip64EndOfCentralSize=this.reader.readInt(8),this.reader.skip(4),this.diskNumber=this.reader.readInt(4),this.diskWithCentralDirStart=this.reader.readInt(4),this.centralDirRecordsOnThisDisk=this.reader.readInt(8),this.centralDirRecords=this.reader.readInt(8),this.centralDirSize=this.reader.readInt(8),this.centralDirOffset=this.reader.readInt(8),this.zip64ExtensibleData={};for(var f,d,v,p=this.zip64EndOfCentralSize-44;0<p;)f=this.reader.readInt(2),d=this.reader.readInt(4),v=this.reader.readData(d),this.zip64ExtensibleData[f]={id:f,length:d,value:v}},readBlockZip64EndOfCentralLocator:function(){if(this.diskWithZip64CentralDirStart=this.reader.readInt(4),this.relativeOffsetEndOfZip64CentralDir=this.reader.readInt(8),this.disksCount=this.reader.readInt(4),1<this.disksCount)throw new Error("Multi-volumes zip are not supported")},readLocalFiles:function(){var f,d;for(f=0;f<this.files.length;f++)d=this.files[f],this.reader.setIndex(d.localHeaderOffset),this.checkSignature(s.LOCAL_FILE_HEADER),d.readLocalPart(this.reader),d.handleUTF8(),d.processAttributes()},readCentralDir:function(){var f;for(this.reader.setIndex(this.centralDirOffset);this.reader.readAndCheckSignature(s.CENTRAL_FILE_HEADER);)(f=new l({zip64:this.zip64},this.loadOptions)).readCentralPart(this.reader),this.files.push(f);if(this.centralDirRecords!==this.files.length&&this.centralDirRecords!==0&&this.files.length===0)throw new Error("Corrupted zip or bug: expected "+this.centralDirRecords+" records in central dir, got "+this.files.length)},readEndOfCentral:function(){var f=this.reader.lastIndexOfSignature(s.CENTRAL_DIRECTORY_END);if(f<0)throw this.isSignature(0,s.LOCAL_FILE_HEADER)?new Error("Corrupted zip: can't find end of central directory"):new Error("Can't find end of central directory : is this a zip file ? If it is, see https://stuk.github.io/jszip/documentation/howto/read_zip.html");this.reader.setIndex(f);var d=f;if(this.checkSignature(s.CENTRAL_DIRECTORY_END),this.readBlockEndOfCentral(),this.diskNumber===o.MAX_VALUE_16BITS||this.diskWithCentralDirStart===o.MAX_VALUE_16BITS||this.centralDirRecordsOnThisDisk===o.MAX_VALUE_16BITS||this.centralDirRecords===o.MAX_VALUE_16BITS||this.centralDirSize===o.MAX_VALUE_32BITS||this.centralDirOffset===o.MAX_VALUE_32BITS){if(this.zip64=!0,(f=this.reader.lastIndexOfSignature(s.ZIP64_CENTRAL_DIRECTORY_LOCATOR))<0)throw new Error("Corrupted zip: can't find the ZIP64 end of central directory locator");if(this.reader.setIndex(f),this.checkSignature(s.ZIP64_CENTRAL_DIRECTORY_LOCATOR),this.readBlockZip64EndOfCentralLocator(),!this.isSignature(this.relativeOffsetEndOfZip64CentralDir,s.ZIP64_CENTRAL_DIRECTORY_END)&&(this.relativeOffsetEndOfZip64CentralDir=this.reader.lastIndexOfSignature(s.ZIP64_CENTRAL_DIRECTORY_END),this.relativeOffsetEndOfZip64CentralDir<0))throw new Error("Corrupted zip: can't find the ZIP64 end of central directory");this.reader.setIndex(this.relativeOffsetEndOfZip64CentralDir),this.checkSignature(s.ZIP64_CENTRAL_DIRECTORY_END),this.readBlockZip64EndOfCentral()}var v=this.centralDirOffset+this.centralDirSize;this.zip64&&(v+=20,v+=12+this.zip64EndOfCentralSize);var p=d-v;if(0<p)this.isSignature(d,s.CENTRAL_FILE_HEADER)||(this.reader.zero=p);else if(p<0)throw new Error("Corrupted zip: missing "+Math.abs(p)+" bytes.")},prepareReader:function(f){this.reader=i(f)},load:function(f){this.prepareReader(f),this.readEndOfCentral(),this.readCentralDir(),this.readLocalFiles()}},n.exports=c},{"./reader/readerFor":22,"./signature":23,"./support":30,"./utils":32,"./zipEntry":34}],34:[function(t,n,a){var i=t("./reader/readerFor"),o=t("./utils"),s=t("./compressedObject"),l=t("./crc32"),u=t("./utf8"),c=t("./compressions"),f=t("./support");function d(v,p){this.options=v,this.loadOptions=p}d.prototype={isEncrypted:function(){return(1&this.bitFlag)==1},useUTF8:function(){return(2048&this.bitFlag)==2048},readLocalPart:function(v){var p,y;if(v.skip(22),this.fileNameLength=v.readInt(2),y=v.readInt(2),this.fileName=v.readData(this.fileNameLength),v.skip(y),this.compressedSize===-1||this.uncompressedSize===-1)throw new Error("Bug or corrupted zip : didn't get enough information from the central directory (compressedSize === -1 || uncompressedSize === -1)");if((p=function(_){for(var g in c)if(Object.prototype.hasOwnProperty.call(c,g)&&c[g].magic===_)return c[g];return null}(this.compressionMethod))===null)throw new Error("Corrupted zip : compression "+o.pretty(this.compressionMethod)+" unknown (inner file : "+o.transformTo("string",this.fileName)+")");this.decompressed=new s(this.compressedSize,this.uncompressedSize,this.crc32,p,v.readData(this.compressedSize))},readCentralPart:function(v){this.versionMadeBy=v.readInt(2),v.skip(2),this.bitFlag=v.readInt(2),this.compressionMethod=v.readString(2),this.date=v.readDate(),this.crc32=v.readInt(4),this.compressedSize=v.readInt(4),this.uncompressedSize=v.readInt(4);var p=v.readInt(2);if(this.extraFieldsLength=v.readInt(2),this.fileCommentLength=v.readInt(2),this.diskNumberStart=v.readInt(2),this.internalFileAttributes=v.readInt(2),this.externalFileAttributes=v.readInt(4),this.localHeaderOffset=v.readInt(4),this.isEncrypted())throw new Error("Encrypted zip are not supported");v.skip(p),this.readExtraFields(v),this.parseZIP64ExtraField(v),this.fileComment=v.readData(this.fileCommentLength)},processAttributes:function(){this.unixPermissions=null,this.dosPermissions=null;var v=this.versionMadeBy>>8;this.dir=!!(16&this.externalFileAttributes),v==0&&(this.dosPermissions=63&this.externalFileAttributes),v==3&&(this.unixPermissions=this.externalFileAttributes>>16&65535),this.dir||this.fileNameStr.slice(-1)!=="/"||(this.dir=!0)},parseZIP64ExtraField:function(){if(this.extraFields[1]){var v=i(this.extraFields[1].value);this.uncompressedSize===o.MAX_VALUE_32BITS&&(this.uncompressedSize=v.readInt(8)),this.compressedSize===o.MAX_VALUE_32BITS&&(this.compressedSize=v.readInt(8)),this.localHeaderOffset===o.MAX_VALUE_32BITS&&(this.localHeaderOffset=v.readInt(8)),this.diskNumberStart===o.MAX_VALUE_32BITS&&(this.diskNumberStart=v.readInt(4))}},readExtraFields:function(v){var p,y,_,g=v.index+this.extraFieldsLength;for(this.extraFields||(this.extraFields={});v.index+4<g;)p=v.readInt(2),y=v.readInt(2),_=v.readData(y),this.extraFields[p]={id:p,length:y,value:_};v.setIndex(g)},handleUTF8:function(){var v=f.uint8array?"uint8array":"array";if(this.useUTF8())this.fileNameStr=u.utf8decode(this.fileName),this.fileCommentStr=u.utf8decode(this.fileComment);else{var p=this.findExtraFieldUnicodePath();if(p!==null)this.fileNameStr=p;else{var y=o.transformTo(v,this.fileName);this.fileNameStr=this.loadOptions.decodeFileName(y)}var _=this.findExtraFieldUnicodeComment();if(_!==null)this.fileCommentStr=_;else{var g=o.transformTo(v,this.fileComment);this.fileCommentStr=this.loadOptions.decodeFileName(g)}}},findExtraFieldUnicodePath:function(){var v=this.extraFields[28789];if(v){var p=i(v.value);return p.readInt(1)!==1||l(this.fileName)!==p.readInt(4)?null:u.utf8decode(p.readData(v.length-5))}return null},findExtraFieldUnicodeComment:function(){var v=this.extraFields[25461];if(v){var p=i(v.value);return p.readInt(1)!==1||l(this.fileComment)!==p.readInt(4)?null:u.utf8decode(p.readData(v.length-5))}return null}},n.exports=d},{"./compressedObject":2,"./compressions":3,"./crc32":4,"./reader/readerFor":22,"./support":30,"./utf8":31,"./utils":32}],35:[function(t,n,a){function i(p,y,_){this.name=p,this.dir=_.dir,this.date=_.date,this.comment=_.comment,this.unixPermissions=_.unixPermissions,this.dosPermissions=_.dosPermissions,this._data=y,this._dataBinary=_.binary,this.options={compression:_.compression,compressionOptions:_.compressionOptions}}var o=t("./stream/StreamHelper"),s=t("./stream/DataWorker"),l=t("./utf8"),u=t("./compressedObject"),c=t("./stream/GenericWorker");i.prototype={internalStream:function(p){var y=null,_="string";try{if(!p)throw new Error("No output type specified.");var g=(_=p.toLowerCase())==="string"||_==="text";_!=="binarystring"&&_!=="text"||(_="string"),y=this._decompressWorker();var h=!this._dataBinary;h&&!g&&(y=y.pipe(new l.Utf8EncodeWorker)),!h&&g&&(y=y.pipe(new l.Utf8DecodeWorker))}catch(w){(y=new c("error")).error(w)}return new o(y,_,"")},async:function(p,y){return this.internalStream(p).accumulate(y)},nodeStream:function(p,y){return this.internalStream(p||"nodebuffer").toNodejsStream(y)},_compressWorker:function(p,y){if(this._data instanceof u&&this._data.compression.magic===p.magic)return this._data.getCompressedWorker();var _=this._decompressWorker();return this._dataBinary||(_=_.pipe(new l.Utf8EncodeWorker)),u.createWorkerFrom(_,p,y)},_decompressWorker:function(){return this._data instanceof u?this._data.getContentWorker():this._data instanceof c?this._data:new s(this._data)}};for(var f=["asText","asBinary","asNodeBuffer","asUint8Array","asArrayBuffer"],d=function(){throw new Error("This method has been removed in JSZip 3.0, please check the upgrade guide.")},v=0;v<f.length;v++)i.prototype[f[v]]=d;n.exports=i},{"./compressedObject":2,"./stream/DataWorker":27,"./stream/GenericWorker":28,"./stream/StreamHelper":29,"./utf8":31}],36:[function(t,n,a){(function(i){var o,s,l=i.MutationObserver||i.WebKitMutationObserver;if(l){var u=0,c=new l(p),f=i.document.createTextNode("");c.observe(f,{characterData:!0}),o=function(){f.data=u=++u%2}}else if(i.setImmediate||i.MessageChannel===void 0)o="document"in i&&"onreadystatechange"in i.document.createElement("script")?function(){var y=i.document.createElement("script");y.onreadystatechange=function(){p(),y.onreadystatechange=null,y.parentNode.removeChild(y),y=null},i.document.documentElement.appendChild(y)}:function(){setTimeout(p,0)};else{var d=new i.MessageChannel;d.port1.onmessage=p,o=function(){d.port2.postMessage(0)}}var v=[];function p(){var y,_;s=!0;for(var g=v.length;g;){for(_=v,v=[],y=-1;++y<g;)_[y]();