jszip
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Create, read and edit .zip files with JavaScript http://stuartk.com/jszip
13 lines (9 loc) • 95.8 kB
JavaScript
/*!
JSZip v3.7.1 - 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/master/LICENSE.markdown.
JSZip uses the library pako released under the MIT license :
https://github.com/nodeca/pako/blob/master/LICENSE
*/
!function(t){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).JSZip=t()}}(function(){return function s(a,o,h){function u(r,t){if(!o[r]){if(!a[r]){var e="function"==typeof require&&require;if(!t&&e)return e(r,!0);if(l)return l(r,!0);var i=new Error("Cannot find module '"+r+"'");throw i.code="MODULE_NOT_FOUND",i}var n=o[r]={exports:{}};a[r][0].call(n.exports,function(t){var e=a[r][1][t];return u(e||t)},n,n.exports,s,a,o,h)}return o[r].exports}for(var l="function"==typeof require&&require,t=0;t<h.length;t++)u(h[t]);return u}({1:[function(t,e,r){"use strict";var c=t("./utils"),d=t("./support"),p="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";r.encode=function(t){for(var e,r,i,n,s,a,o,h=[],u=0,l=t.length,f=l,d="string"!==c.getTypeOf(t);u<t.length;)f=l-u,i=d?(e=t[u++],r=u<l?t[u++]:0,u<l?t[u++]:0):(e=t.charCodeAt(u++),r=u<l?t.charCodeAt(u++):0,u<l?t.charCodeAt(u++):0),n=e>>2,s=(3&e)<<4|r>>4,a=1<f?(15&r)<<2|i>>6:64,o=2<f?63&i:64,h.push(p.charAt(n)+p.charAt(s)+p.charAt(a)+p.charAt(o));return h.join("")},r.decode=function(t){var e,r,i,n,s,a,o=0,h=0,u="data:";if(t.substr(0,u.length)===u)throw new Error("Invalid base64 input, it looks like a data url.");var l,f=3*(t=t.replace(/[^A-Za-z0-9\+\/\=]/g,"")).length/4;if(t.charAt(t.length-1)===p.charAt(64)&&f--,t.charAt(t.length-2)===p.charAt(64)&&f--,f%1!=0)throw new Error("Invalid base64 input, bad content length.");for(l=d.uint8array?new Uint8Array(0|f):new Array(0|f);o<t.length;)e=p.indexOf(t.charAt(o++))<<2|(n=p.indexOf(t.charAt(o++)))>>4,r=(15&n)<<4|(s=p.indexOf(t.charAt(o++)))>>2,i=(3&s)<<6|(a=p.indexOf(t.charAt(o++))),l[h++]=e,64!==s&&(l[h++]=r),64!==a&&(l[h++]=i);return l}},{"./support":30,"./utils":32}],2:[function(t,e,r){"use strict";var i=t("./external"),n=t("./stream/DataWorker"),s=t("./stream/Crc32Probe"),a=t("./stream/DataLengthProbe");function o(t,e,r,i,n){this.compressedSize=t,this.uncompressedSize=e,this.crc32=r,this.compression=i,this.compressedContent=n}o.prototype={getContentWorker:function(){var t=new n(i.Promise.resolve(this.compressedContent)).pipe(this.compression.uncompressWorker()).pipe(new a("data_length")),e=this;return t.on("end",function(){if(this.streamInfo.data_length!==e.uncompressedSize)throw new Error("Bug : uncompressed data size mismatch")}),t},getCompressedWorker:function(){return new n(i.Promise.resolve(this.compressedContent)).withStreamInfo("compressedSize",this.compressedSize).withStreamInfo("uncompressedSize",this.uncompressedSize).withStreamInfo("crc32",this.crc32).withStreamInfo("compression",this.compression)}},o.createWorkerFrom=function(t,e,r){return t.pipe(new s).pipe(new a("uncompressedSize")).pipe(e.compressWorker(r)).pipe(new a("compressedSize")).withStreamInfo("compression",e)},e.exports=o},{"./external":6,"./stream/Crc32Probe":25,"./stream/DataLengthProbe":26,"./stream/DataWorker":27}],3:[function(t,e,r){"use strict";var i=t("./stream/GenericWorker");r.STORE={magic:"\0\0",compressWorker:function(t){return new i("STORE compression")},uncompressWorker:function(){return new i("STORE decompression")}},r.DEFLATE=t("./flate")},{"./flate":7,"./stream/GenericWorker":28}],4:[function(t,e,r){"use strict";var i=t("./utils");var o=function(){for(var t,e=[],r=0;r<256;r++){t=r;for(var i=0;i<8;i++)t=1&t?3988292384^t>>>1:t>>>1;e[r]=t}return e}();e.exports=function(t,e){return void 0!==t&&t.length?"string"!==i.getTypeOf(t)?function(t,e,r,i){var n=o,s=i+r;t^=-1;for(var a=i;a<s;a++)t=t>>>8^n[255&(t^e[a])];return-1^t}(0|e,t,t.length,0):function(t,e,r,i){var n=o,s=i+r;t^=-1;for(var a=i;a<s;a++)t=t>>>8^n[255&(t^e.charCodeAt(a))];return-1^t}(0|e,t,t.length,0):0}},{"./utils":32}],5:[function(t,e,r){"use strict";r.base64=!1,r.binary=!1,r.dir=!1,r.createFolders=!0,r.date=null,r.compression=null,r.compressionOptions=null,r.comment=null,r.unixPermissions=null,r.dosPermissions=null},{}],6:[function(t,e,r){"use strict";var i=null;i="undefined"!=typeof Promise?Promise:t("lie"),e.exports={Promise:i}},{lie:37}],7:[function(t,e,r){"use strict";var i="undefined"!=typeof Uint8Array&&"undefined"!=typeof Uint16Array&&"undefined"!=typeof Uint32Array,n=t("pako"),s=t("./utils"),a=t("./stream/GenericWorker"),o=i?"uint8array":"array";function h(t,e){a.call(this,"FlateWorker/"+t),this._pako=null,this._pakoAction=t,this._pakoOptions=e,this.meta={}}r.magic="\b\0",s.inherits(h,a),h.prototype.processChunk=function(t){this.meta=t.meta,null===this._pako&&this._createPako(),this._pako.push(s.transformTo(o,t.data),!1)},h.prototype.flush=function(){a.prototype.flush.call(this),null===this._pako&&this._createPako(),this._pako.push([],!0)},h.prototype.cleanUp=function(){a.prototype.cleanUp.call(this),this._pako=null},h.prototype._createPako=function(){this._pako=new n[this._pakoAction]({raw:!0,level:this._pakoOptions.level||-1});var e=this;this._pako.onData=function(t){e.push({data:t,meta:e.meta})}},r.compressWorker=function(t){return new h("Deflate",t)},r.uncompressWorker=function(){return new h("Inflate",{})}},{"./stream/GenericWorker":28,"./utils":32,pako:38}],8:[function(t,e,r){"use strict";function A(t,e){var r,i="";for(r=0;r<e;r++)i+=String.fromCharCode(255&t),t>>>=8;return i}function i(t,e,r,i,n,s){var a,o,h=t.file,u=t.compression,l=s!==O.utf8encode,f=I.transformTo("string",s(h.name)),d=I.transformTo("string",O.utf8encode(h.name)),c=h.comment,p=I.transformTo("string",s(c)),m=I.transformTo("string",O.utf8encode(c)),_=d.length!==h.name.length,g=m.length!==c.length,b="",v="",y="",w=h.dir,k=h.date,x={crc32:0,compressedSize:0,uncompressedSize:0};e&&!r||(x.crc32=t.crc32,x.compressedSize=t.compressedSize,x.uncompressedSize=t.uncompressedSize);var S=0;e&&(S|=8),l||!_&&!g||(S|=2048);var z=0,C=0;w&&(z|=16),"UNIX"===n?(C=798,z|=function(t,e){var r=t;return t||(r=e?16893:33204),(65535&r)<<16}(h.unixPermissions,w)):(C=20,z|=function(t){return 63&(t||0)}(h.dosPermissions)),a=k.getUTCHours(),a<<=6,a|=k.getUTCMinutes(),a<<=5,a|=k.getUTCSeconds()/2,o=k.getUTCFullYear()-1980,o<<=4,o|=k.getUTCMonth()+1,o<<=5,o|=k.getUTCDate(),_&&(v=A(1,1)+A(B(f),4)+d,b+="up"+A(v.length,2)+v),g&&(y=A(1,1)+A(B(p),4)+m,b+="uc"+A(y.length,2)+y);var E="";return E+="\n\0",E+=A(S,2),E+=u.magic,E+=A(a,2),E+=A(o,2),E+=A(x.crc32,4),E+=A(x.compressedSize,4),E+=A(x.uncompressedSize,4),E+=A(f.length,2),E+=A(b.length,2),{fileRecord:R.LOCAL_FILE_HEADER+E+f+b,dirRecord:R.CENTRAL_FILE_HEADER+A(C,2)+E+A(p.length,2)+"\0\0\0\0"+A(z,4)+A(i,4)+f+b+p}}var I=t("../utils"),n=t("../stream/GenericWorker"),O=t("../utf8"),B=t("../crc32"),R=t("../signature");function s(t,e,r,i){n.call(this,"ZipFileWorker"),this.bytesWritten=0,this.zipComment=e,this.zipPlatform=r,this.encodeFileName=i,this.streamFiles=t,this.accumulate=!1,this.contentBuffer=[],this.dirRecords=[],this.currentSourceOffset=0,this.entriesCount=0,this.currentFile=null,this._sources=[]}I.inherits(s,n),s.prototype.push=function(t){var e=t.meta.percent||0,r=this.entriesCount,i=this._sources.length;this.accumulate?this.contentBuffer.push(t):(this.bytesWritten+=t.data.length,n.prototype.push.call(this,{data:t.data,meta:{currentFile:this.currentFile,percent:r?(e+100*(r-i-1))/r:100}}))},s.prototype.openedSource=function(t){this.currentSourceOffset=this.bytesWritten,this.currentFile=t.file.name;var e=this.streamFiles&&!t.file.dir;if(e){var r=i(t,e,!1,this.currentSourceOffset,this.zipPlatform,this.encodeFileName);this.push({data:r.fileRecord,meta:{percent:0}})}else this.accumulate=!0},s.prototype.closedSource=function(t){this.accumulate=!1;var e=this.streamFiles&&!t.file.dir,r=i(t,e,!0,this.currentSourceOffset,this.zipPlatform,this.encodeFileName);if(this.dirRecords.push(r.dirRecord),e)this.push({data:function(t){return R.DATA_DESCRIPTOR+A(t.crc32,4)+A(t.compressedSize,4)+A(t.uncompressedSize,4)}(t),meta:{percent:100}});else for(this.push({data:r.fileRecord,meta:{percent:0}});this.contentBuffer.length;)this.push(this.contentBuffer.shift());this.currentFile=null},s.prototype.flush=function(){for(var t=this.bytesWritten,e=0;e<this.dirRecords.length;e++)this.push({data:this.dirRecords[e],meta:{percent:100}});var r=this.bytesWritten-t,i=function(t,e,r,i,n){var s=I.transformTo("string",n(i));return R.CENTRAL_DIRECTORY_END+"\0\0\0\0"+A(t,2)+A(t,2)+A(e,4)+A(r,4)+A(s.length,2)+s}(this.dirRecords.length,r,t,this.zipComment,this.encodeFileName);this.push({data:i,meta:{percent:100}})},s.prototype.prepareNextSource=function(){this.previous=this._sources.shift(),this.openedSource(this.previous.streamInfo),this.isPaused?this.previous.pause():this.previous.resume()},s.prototype.registerPrevious=function(t){this._sources.push(t);var e=this;return t.on("data",function(t){e.processChunk(t)}),t.on("end",function(){e.closedSource(e.previous.streamInfo),e._sources.length?e.prepareNextSource():e.end()}),t.on("error",function(t){e.error(t)}),this},s.prototype.resume=function(){return!!n.prototype.resume.call(this)&&(!this.previous&&this._sources.length?(this.prepareNextSource(),!0):this.previous||this._sources.length||this.generatedError?void 0:(this.end(),!0))},s.prototype.error=function(t){var e=this._sources;if(!n.prototype.error.call(this,t))return!1;for(var r=0;r<e.length;r++)try{e[r].error(t)}catch(t){}return!0},s.prototype.lock=function(){n.prototype.lock.call(this);for(var t=this._sources,e=0;e<t.length;e++)t[e].lock()},e.exports=s},{"../crc32":4,"../signature":23,"../stream/GenericWorker":28,"../utf8":31,"../utils":32}],9:[function(t,e,r){"use strict";var u=t("../compressions"),i=t("./ZipFileWorker");r.generateWorker=function(t,a,e){var o=new i(a.streamFiles,e,a.platform,a.encodeFileName),h=0;try{t.forEach(function(t,e){h++;var r=function(t,e){var r=t||e,i=u[r];if(!i)throw new Error(r+" is not a valid compression method !");return i}(e.options.compression,a.compression),i=e.options.compressionOptions||a.compressionOptions||{},n=e.dir,s=e.date;e._compressWorker(r,i).withStreamInfo("file",{name:t,dir:n,date:s,comment:e.comment||"",unixPermissions:e.unixPermissions,dosPermissions:e.dosPermissions}).pipe(o)}),o.entriesCount=h}catch(t){o.error(t)}return o}},{"../compressions":3,"./ZipFileWorker":8}],10:[function(t,e,r){"use strict";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 t=new i;for(var e in this)"function"!=typeof this[e]&&(t[e]=this[e]);return t}}(i.prototype=t("./object")).loadAsync=t("./load"),i.support=t("./support"),i.defaults=t("./defaults"),i.version="3.7.1",i.loadAsync=function(t,e){return(new i).loadAsync(t,e)},i.external=t("./external"),e.exports=i},{"./defaults":5,"./external":6,"./load":11,"./object":15,"./support":30}],11:[function(t,e,r){"use strict";var i=t("./utils"),n=t("./external"),o=t("./utf8"),h=t("./zipEntries"),s=t("./stream/Crc32Probe"),u=t("./nodejsUtils");function l(i){return new n.Promise(function(t,e){var r=i.decompressed.getContentWorker().pipe(new s);r.on("error",function(t){e(t)}).on("end",function(){r.streamInfo.crc32!==i.decompressed.crc32?e(new Error("Corrupted zip : CRC32 mismatch")):t()}).resume()})}e.exports=function(t,s){var a=this;return s=i.extend(s||{},{base64:!1,checkCRC32:!1,optimizedBinaryString:!1,createFolders:!1,decodeFileName:o.utf8decode}),u.isNode&&u.isStream(t)?n.Promise.reject(new Error("JSZip can't accept a stream when loading a zip file.")):i.prepareContent("the loaded zip file",t,!0,s.optimizedBinaryString,s.base64).then(function(t){var e=new h(s);return e.load(t),e}).then(function(t){var e=[n.Promise.resolve(t)],r=t.files;if(s.checkCRC32)for(var i=0;i<r.length;i++)e.push(l(r[i]));return n.Promise.all(e)}).then(function(t){for(var e=t.shift(),r=e.files,i=0;i<r.length;i++){var n=r[i];a.file(n.fileNameStr,n.decompressed,{binary:!0,optimizedBinaryString:!0,date:n.date,dir:n.dir,comment:n.fileCommentStr.length?n.fileCommentStr:null,unixPermissions:n.unixPermissions,dosPermissions:n.dosPermissions,createFolders:s.createFolders})}return e.zipComment.length&&(a.comment=e.zipComment),a})}},{"./external":6,"./nodejsUtils":14,"./stream/Crc32Probe":25,"./utf8":31,"./utils":32,"./zipEntries":33}],12:[function(t,e,r){"use strict";var i=t("../utils"),n=t("../stream/GenericWorker");function s(t,e){n.call(this,"Nodejs stream input adapter for "+t),this._upstreamEnded=!1,this._bindStream(e)}i.inherits(s,n),s.prototype._bindStream=function(t){var e=this;(this._stream=t).pause(),t.on("data",function(t){e.push({data:t,meta:{percent:0}})}).on("error",function(t){e.isPaused?this.generatedError=t:e.error(t)}).on("end",function(){e.isPaused?e._upstreamEnded=!0:e.end()})},s.prototype.pause=function(){return!!n.prototype.pause.call(this)&&(this._stream.pause(),!0)},s.prototype.resume=function(){return!!n.prototype.resume.call(this)&&(this._upstreamEnded?this.end():this._stream.resume(),!0)},e.exports=s},{"../stream/GenericWorker":28,"../utils":32}],13:[function(t,e,r){"use strict";var n=t("readable-stream").Readable;function i(t,e,r){n.call(this,e),this._helper=t;var i=this;t.on("data",function(t,e){i.push(t)||i._helper.pause(),r&&r(e)}).on("error",function(t){i.emit("error",t)}).on("end",function(){i.push(null)})}t("../utils").inherits(i,n),i.prototype._read=function(){this._helper.resume()},e.exports=i},{"../utils":32,"readable-stream":16}],14:[function(t,e,r){"use strict";e.exports={isNode:"undefined"!=typeof Buffer,newBufferFrom:function(t,e){if(Buffer.from&&Buffer.from!==Uint8Array.from)return Buffer.from(t,e);if("number"==typeof t)throw new Error('The "data" argument must not be a number');return new Buffer(t,e)},allocBuffer:function(t){if(Buffer.alloc)return Buffer.alloc(t);var e=new Buffer(t);return e.fill(0),e},isBuffer:function(t){return Buffer.isBuffer(t)},isStream:function(t){return t&&"function"==typeof t.on&&"function"==typeof t.pause&&"function"==typeof t.resume}}},{}],15:[function(t,e,r){"use strict";function s(t,e,r){var i,n=u.getTypeOf(e),s=u.extend(r||{},f);s.date=s.date||new Date,null!==s.compression&&(s.compression=s.compression.toUpperCase()),"string"==typeof s.unixPermissions&&(s.unixPermissions=parseInt(s.unixPermissions,8)),s.unixPermissions&&16384&s.unixPermissions&&(s.dir=!0),s.dosPermissions&&16&s.dosPermissions&&(s.dir=!0),s.dir&&(t=g(t)),s.createFolders&&(i=_(t))&&b.call(this,i,!0);var a="string"===n&&!1===s.binary&&!1===s.base64;r&&void 0!==r.binary||(s.binary=!a),(e instanceof d&&0===e.uncompressedSize||s.dir||!e||0===e.length)&&(s.base64=!1,s.binary=!0,e="",s.compression="STORE",n="string");var o=null;o=e instanceof d||e instanceof l?e:p.isNode&&p.isStream(e)?new m(t,e):u.prepareContent(t,e,s.binary,s.optimizedBinaryString,s.base64);var h=new c(t,o,s);this.files[t]=h}var n=t("./utf8"),u=t("./utils"),l=t("./stream/GenericWorker"),a=t("./stream/StreamHelper"),f=t("./defaults"),d=t("./compressedObject"),c=t("./zipObject"),o=t("./generate"),p=t("./nodejsUtils"),m=t("./nodejs/NodejsStreamInputAdapter"),_=function(t){"/"===t.slice(-1)&&(t=t.substring(0,t.length-1));var e=t.lastIndexOf("/");return 0<e?t.substring(0,e):""},g=function(t){return"/"!==t.slice(-1)&&(t+="/"),t},b=function(t,e){return e=void 0!==e?e:f.createFolders,t=g(t),this.files[t]||s.call(this,t,null,{dir:!0,createFolders:e}),this.files[t]};function h(t){return"[object RegExp]"===Object.prototype.toString.call(t)}var i={load:function(){throw new Error("This method has been removed in JSZip 3.0, please check the upgrade guide.")},forEach:function(t){var e,r,i;for(e in this.files)i=this.files[e],(r=e.slice(this.root.length,e.length))&&e.slice(0,this.root.length)===this.root&&t(r,i)},filter:function(r){var i=[];return this.forEach(function(t,e){r(t,e)&&i.push(e)}),i},file:function(t,e,r){if(1!==arguments.length)return t=this.root+t,s.call(this,t,e,r),this;if(h(t)){var i=t;return this.filter(function(t,e){return!e.dir&&i.test(t)})}var n=this.files[this.root+t];return n&&!n.dir?n:null},folder:function(r){if(!r)return this;if(h(r))return this.filter(function(t,e){return e.dir&&r.test(t)});var t=this.root+r,e=b.call(this,t),i=this.clone();return i.root=e.name,i},remove:function(r){r=this.root+r;var t=this.files[r];if(t||("/"!==r.slice(-1)&&(r+="/"),t=this.files[r]),t&&!t.dir)delete this.files[r];else for(var e=this.filter(function(t,e){return e.name.slice(0,r.length)===r}),i=0;i<e.length;i++)delete this.files[e[i].name];return this},generate:function(t){throw new Error("This method has been removed in JSZip 3.0, please check the upgrade guide.")},generateInternalStream:function(t){var e,r={};try{if((r=u.extend(t||{},{streamFiles:!1,compression:"STORE",compressionOptions:null,type:"",platform:"DOS",comment:null,mimeType:"application/zip",encodeFileName:n.utf8encode})).type=r.type.toLowerCase(),r.compression=r.compression.toUpperCase(),"binarystring"===r.type&&(r.type="string"),!r.type)throw new Error("No output type specified.");u.checkSupport(r.type),"darwin"!==r.platform&&"freebsd"!==r.platform&&"linux"!==r.platform&&"sunos"!==r.platform||(r.platform="UNIX"),"win32"===r.platform&&(r.platform="DOS");var i=r.comment||this.comment||"";e=o.generateWorker(this,r,i)}catch(t){(e=new l("error")).error(t)}return new a(e,r.type||"string",r.mimeType)},generateAsync:function(t,e){return this.generateInternalStream(t).accumulate(e)},generateNodeStream:function(t,e){return(t=t||{}).type||(t.type="nodebuffer"),this.generateInternalStream(t).toNodejsStream(e)}};e.exports=i},{"./compressedObject":2,"./defaults":5,"./generate":9,"./nodejs/NodejsStreamInputAdapter":12,"./nodejsUtils":14,"./stream/GenericWorker":28,"./stream/StreamHelper":29,"./utf8":31,"./utils":32,"./zipObject":35}],16:[function(t,e,r){e.exports=t("stream")},{stream:void 0}],17:[function(t,e,r){"use strict";var i=t("./DataReader");function n(t){i.call(this,t);for(var e=0;e<this.data.length;e++)t[e]=255&t[e]}t("../utils").inherits(n,i),n.prototype.byteAt=function(t){return this.data[this.zero+t]},n.prototype.lastIndexOfSignature=function(t){for(var e=t.charCodeAt(0),r=t.charCodeAt(1),i=t.charCodeAt(2),n=t.charCodeAt(3),s=this.length-4;0<=s;--s)if(this.data[s]===e&&this.data[s+1]===r&&this.data[s+2]===i&&this.data[s+3]===n)return s-this.zero;return-1},n.prototype.readAndCheckSignature=function(t){var e=t.charCodeAt(0),r=t.charCodeAt(1),i=t.charCodeAt(2),n=t.charCodeAt(3),s=this.readData(4);return e===s[0]&&r===s[1]&&i===s[2]&&n===s[3]},n.prototype.readData=function(t){if(this.checkOffset(t),0===t)return[];var e=this.data.slice(this.zero+this.index,this.zero+this.index+t);return this.index+=t,e},e.exports=n},{"../utils":32,"./DataReader":18}],18:[function(t,e,r){"use strict";var i=t("../utils");function n(t){this.data=t,this.length=t.length,this.index=0,this.zero=0}n.prototype={checkOffset:function(t){this.checkIndex(this.index+t)},checkIndex:function(t){if(this.length<this.zero+t||t<0)throw new Error("End of data reached (data length = "+this.length+", asked index = "+t+"). 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Is it in a supported JavaScript type (String, Blob, ArrayBuffer, etc) ?"))})}},{"./base64":1,"./external":6,"./nodejsUtils":14,"./support":30,"set-immediate-shim":54}],33:[function(t,e,r){"use strict";var i=t("./reader/readerFor"),n=t("./utils"),s=t("./signature"),a=t("./zipEntry"),o=(t("./utf8"),t("./support"));function h(t){this.files=[],this.loadOptions=t}h.prototype={checkSignature:function(t){if(!this.reader.readAndCheckSignature(t)){this.reader.index-=4;var e=this.reader.readString(4);throw new Error("Corrupted zip or bug: unexpected signature ("+n.pretty(e)+", expected "+n.pretty(t)+")")}},isSignature:function(t,e){var r=this.reader.index;this.reader.setIndex(t);var i=this.reader.readString(4)===e;return this.reader.setIndex(r),i},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 t=this.reader.readData(this.zipCommentLength),e=o.uint8array?"uint8array":"array",r=n.transformTo(e,t);this.zipComment=this.loadOptions.decodeFileName(r)},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 t,e,r,i=this.zip64EndOfCentralSize-44;0<i;)t=this.reader.readInt(2),e=this.reader.readInt(4),r=this.reader.readData(e),this.zip64ExtensibleData[t]={id:t,length:e,value:r}},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 t,e;for(t=0;t<this.files.length;t++)e=this.files[t],this.reader.setIndex(e.localHeaderOffset),this.checkSignature(s.LOCAL_FILE_HEADER),e.readLocalPart(this.reader),e.handleUTF8(),e.processAttributes()},readCentralDir:function(){var t;for(this.reader.setIndex(this.centralDirOffset);this.reader.readAndCheckSignature(s.CENTRAL_FILE_HEADER);)(t=new a({zip64:this.zip64},this.loadOptions)).readCentralPart(this.reader),this.files.push(t);if(this.centralDirRecords!==this.files.length&&0!==this.centralDirRecords&&0===this.files.length)throw new Error("Corrupted zip or bug: expected "+this.centralDirRecords+" records in central dir, got "+this.files.length)},readEndOfCentral:function(){var t=this.reader.lastIndexOfSignature(s.CENTRAL_DIRECTORY_END);if(t<0)throw!this.isSignature(0,s.LOCAL_FILE_HEADER)?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"):new Error("Corrupted zip: can't find end of central directory");this.reader.setIndex(t);var e=t;if(this.checkSignature(s.CENTRAL_DIRECTORY_END),this.readBlockEndOfCentral(),this.diskNumber===n.MAX_VALUE_16BITS||this.diskWithCentralDirStart===n.MAX_VALUE_16BITS||this.centralDirRecordsOnThisDisk===n.MAX_VALUE_16BITS||this.centralDirRecords===n.MAX_VALUE_16BITS||this.centralDirSize===n.MAX_VALUE_32BITS||this.centralDirOffset===n.MAX_VALUE_32BITS){if(this.zip64=!0,(t=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(t),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 r=this.centralDirOffset+this.centralDirSize;this.zip64&&(r+=20,r+=12+this.zip64EndOfCentralSize);var i=e-r;if(0<i)this.isSignature(e,s.CENTRAL_FILE_HEADER)||(this.reader.zero=i);else if(i<0)throw new Error("Corrupted zip: missing "+Math.abs(i)+" bytes.")},prepareReader:function(t){this.reader=i(t)},load:function(t){this.prepareReader(t),this.readEndOfCentral(),this.readCentralDir(),this.readLocalFiles()}},e.exports=h},{"./reader/readerFor":22,"./signature":23,"./support":30,"./utf8":31,"./utils":32,"./zipEntry":34}],34:[function(t,e,r){"use strict";var i=t("./reader/readerFor"),s=t("./utils"),n=t("./compressedObject"),a=t("./crc32"),o=t("./utf8"),h=t("./compressions"),u=t("./support");function l(t,e){this.options=t,this.loadOptions=e}l.prototype={isEncrypted:function(){return 1==(1&this.bitFlag)},useUTF8:function(){return 2048==(2048&this.bitFlag)},readLocalPart:function(t){var e,r;if(t.skip(22),this.fileNameLength=t.readInt(2),r=t.readInt(2),this.fileName=t.readData(this.fileNameLength),t.skip(r),-1===this.compressedSize||-1===this.uncompressedSize)throw new Error("Bug or corrupted zip : didn't get enough information from the central directory (compressedSize === -1 || uncompressedSize === -1)");if(null===(e=function(t){for(var e in h)if(h.hasOwnProperty(e)&&h[e].magic===t)return h[e];return null}(this.compressionMethod)))throw new Error("Corrupted zip : compression "+s.pretty(this.compressionMethod)+" unknown (inner file : "+s.transformTo("string",this.fileName)+")");this.decompressed=new n(this.compressedSize,this.uncompressedSize,this.crc32,e,t.readData(this.compressedSize))},readCentralPart:function(t){this.versionMadeBy=t.readInt(2),t.skip(2),this.bitFlag=t.readInt(2),this.compressionMethod=t.readString(2),this.date=t.readDate(),this.crc32=t.readInt(4),this.compressedSize=t.readInt(4),this.uncompressedSize=t.readInt(4);var e=t.readInt(2);if(this.extraFieldsLength=t.readInt(2),this.fileCommentLength=t.readInt(2),this.diskNumberStart=t.readInt(2),this.internalFileAttributes=t.readInt(2),this.externalFileAttributes=t.readInt(4),this.localHeaderOffset=t.readInt(4),this.isEncrypted())throw new Error("Encrypted zip are not supported");t.skip(e),this.readExtraFields(t),this.parseZIP64ExtraField(t),this.fileComment=t.readData(this.fileCommentLength)},processAttributes:function(){this.unixPermissions=null,this.dosPermissions=null;var t=this.versionMadeBy>>8;this.dir=!!(16&this.externalFileAttributes),0==t&&(this.dosPermissions=63&this.externalFileAttributes),3==t&&(this.unixPermissions=this.externalFileAttributes>>16&65535),this.dir||"/"!==this.fileNameStr.slice(-1)||(this.dir=!0)},parseZIP64ExtraField:function(t){if(this.extraFields[1]){var e=i(this.extraFields[1].value);this.uncompressedSize===s.MAX_VALUE_32BITS&&(this.uncompressedSize=e.readInt(8)),this.compressedSize===s.MAX_VALUE_32BITS&&(this.compressedSize=e.readInt(8)),this.localHeaderOffset===s.MAX_VALUE_32BITS&&(this.localHeaderOffset=e.readInt(8)),this.diskNumberStart===s.MAX_VALUE_32BITS&&(this.diskNumberStart=e.readInt(4))}},readExtraFields:function(t){var e,r,i,n=t.index+this.extraFieldsLength;for(this.extraFields||(this.extraFields={});t.index+4<n;)e=t.readInt(2),r=t.readInt(2),i=t.readData(r),this.extraFields[e]={id:e,length:r,value:i};t.setIndex(n)},handleUTF8:function(){var t=u.uint8array?"uint8array":"array";if(this.useUTF8())this.fileNameStr=o.utf8decode(this.fileName),this.fileCommentStr=o.utf8decode(this.fileComment);else{var e=this.findExtraFieldUnicodePath();if(null!==e)this.fileNameStr=e;else{var r=s.transformTo(t,this.fileName);this.fileNameStr=this.loadOptions.decodeFileName(r)}var i=this.findExtraFieldUnicodeComment();if(null!==i)this.fileCommentStr=i;else{var n=s.transformTo(t,this.fileComment);this.fileCommentStr=this.loadOptions.decodeFileName(n)}}},findExtraFieldUnicodePath:function(){var t=this.extraFields[28789];if(t){var e=i(t.value);return 1!==e.readInt(1)?null:a(this.fileName)!==e.readInt(4)?null:o.utf8decode(e.readData(t.length-5))}return null},findExtraFieldUnicodeComment:function(){var t=this.extraFields[25461];if(t){var e=i(t.value);return 1!==e.readInt(1)?null:a(this.fileComment)!==e.readInt(4)?null:o.utf8decode(e.readData(t.length-5))}return null}},e.exports=l},{"./compressedObject":2,"./compressions":3,"./crc32":4,"./reader/readerFor":22,"./support":30,"./utf8":31,"./utils":32}],35:[function(t,e,r){"use strict";function i(t,e,r){this.name=t,this.dir=r.dir,this.date=r.date,this.comment=r.comment,this.unixPermissions=r.unixPermissions,this.dosPermissions=r.dosPermissions,this._data=e,this._dataBinary=r.binary,this.options={compression:r.compression,compressionOptions:r.compressionOptions}}var s=t("./stream/StreamHelper"),n=t("./stream/DataWorker"),a=t("./utf8"),o=t("./compressedObject"),h=t("./stream/GenericWorker");i.prototype={internalStream:function(t){var e=null,r="string";try{if(!t)throw new Error("No output type specified.");var i="string"===(r=t.toLowerCase())||"text"===r;"binarystring"!==r&&"text"!==r||(r="string"),e=this._decompressWorker();var n=!this._dataBinary;n&&!i&&(e=e.pipe(new a.Utf8EncodeWorker)),!n&&i&&(e=e.pipe(new a.Utf8DecodeWorker))}catch(t){(e=new h("error")).error(t)}return new s(e,r,"")},async:function(t,e){return this.internalStream(t).accumulate(e)},nodeStream:function(t,e){return this.internalStream(t||"nodebuffer").toNodejsStream(e)},_compressWorker:function(t,e){if(this._data instanceof o&&this._data.compression.magic===t.magic)return this._data.getCompressedWorker();var r=this._decompressWorker();return this._dataBinary||(r=r.pipe(new a.Utf8EncodeWorker)),o.createWorkerFrom(r,t,e)},_decompressWorker:function(){return this._data instanceof o?this._data.getContentWorker():this._data instanceof h?this._data:new n(this._data)}};for(var u=["asText","asBinary","asNodeBuffer","asUint8Array","asArrayBuffer"],l=function(){throw new Error("This method has been removed in JSZip 3.0, please check the upgrade guide.")},f=0;f<u.length;f++)i.prototype[u[f]]=l;e.exports=i},{"./compressedObject":2,"./stream/DataWorker":27,"./stream/GenericWorker":28,"./stream/StreamHelper":29,"./utf8":31}],36:[function(t,l,e){(function(e){"use strict";var r,i,t=e.MutationObserver||e.WebKitMutationObserver;if(t){var n=0,s=new t(u),a=e.document.createTextNode("");s.observe(a,{characterData:!0}),r=function(){a.data=n=++n%2}}else if(e.setImmediate||void 0===e.MessageChannel)r="document"in e&&"onreadystatechange"in e.document.createElement("script")?function(){var t=e.document.createElement("script");t.onreadystatechange=function(){u(),t.onreadystatechange=null,t.parentNode.removeChild(t),t=null},e.document.documentElement.appendChild(t)}:function(){setTimeout(u,0)};else{var o=new e.MessageChannel;o.port1.onmessage=u,r=function(){o.port2.postMessage(0)}}var h=[];function u(){var t,e;i=!0;for(var r=h.length;r;){for(e=h,h=[],t=-1;++t<r;)e[t]();r=h.length}i=!1}l.exports=function(t){1!==h.push(t)||i||r()}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],37:[function(t,e,r){"use strict";var n=t("immediate");function u(){}var l={},s=["REJECTED"],a=["FULFILLED"],i=["PENDING"];function o(t){if("function"!=typeof t)throw new TypeError("resolver must be a function");this.state=i,this.queue=[],this.outcome=void 0,t!==u&&c(this,t)}function h(t,e,r){this.promise=t,"function"==typeof e&&(this.onFulfilled=e,this.callFulfilled=this.otherCallFulfilled),"function"==typeof r&&(this.onRejected=r,this.callRejected=this.otherCallRejected)}function f(e,r,i){n(function(){var t;try{t=r(i)}catch(t){return l.reject(e,t)}t===e?l.reject(e,new TypeError("Cannot resolve promise with itself")):l.resolve(e,t)})}function d(t){var e=t&&t.then;if(t&&("object"==typeof t||"function"==typeof t)&&"function"==typeof e)return function(){e.apply(t,arguments)}}function c(e,t){var r=!1;function i(t){r||(r=!0,l.reject(e,t))}function n(t){r||(r=!0,l.resolve(e,t))}var s=p(function(){t(n,i)});"error"===s.status&&i(s.value)}function p(t,e){var r={};try{r.value=t(e),r.status="success"}catch(t){r.status="error",r.value=t}return r}(e.exports=o).prototype.finally=function(e){if("function"!=typeof e)return this;var r=this.constructor;return this.then(function(t){return r.resolve(e()).then(function(){return t})},function(t){return r.resolve(e()).then(function(){throw t})})},o.prototype.catch=function(t){return this.then(null,t)},o.prototype.then=function(t,e){if("function"!=typeof t&&this.state===a||"function"!=typeof e&&this.state===s)return this;var r=new this.constructor(u);this.state!==i?f(r,this.state===a?t:e,this.outcome):this.queue.push(new h(r,t,e));return 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