ufs-client-js/dist/index.js

品高统一文件服务(UFS) JSSDK

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r=0;r<e.length;r++)try{e[r].error(t)}catch(t){}return!0},h.prototype.lock=function(){s.prototype.lock.call(this);for(var t=this._sources,e=0;e<t.length;e++)t[e].lock()},e.exports=h},{"../crc32":4,"../signature":23,"../stream/GenericWorker":28,"../utf8":31,"../utils":32}],9:[function(t,e,r){"use strict";var n=t("../compressions"),i=t("./ZipFileWorker");r.generateWorker=function(t,e,r){var a=new i(e.streamFiles,r,e.platform,e.encodeFileName),s=0;try{t.forEach(function(t,r){s++;var i=function(t,e){var r=t||e,i=n[r];if(!i)throw new Error(r+" is not a valid compression method !");return i}(r.options.compression,e.compression),o=r.options.compressionOptions||e.compressionOptions||{},u=r.dir,f=r.date;r._compressWorker(i,o).withStreamInfo("file",{name:t,dir:u,date:f,comment:r.comment||"",unixPermissions:r.unixPermissions,dosPermissions:r.dosPermissions}).pipe(a)}),a.entriesCount=s}catch(t){a.error(t)}return a}},{"../compressions":3,"./ZipFileWorker":8}],10:[function(t,e,r){"use 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o);n.on("error",function(t){r(t)}).on("end",function(){n.streamInfo.crc32!==t.decompressed.crc32?r(new Error("Corrupted zip : CRC32 mismatch")):e()}).resume()})}e.exports=function(t,e){var r=this;return e=n.extend(e||{},{base64:!1,checkCRC32:!1,optimizedBinaryString:!1,createFolders:!1,decodeFileName:a.utf8decode}),u.isNode&&u.isStream(t)?i.Promise.reject(new Error("JSZip can't accept a stream when loading a zip file.")):n.prepareContent("the loaded zip file",t,!0,e.optimizedBinaryString,e.base64).then(function(t){var r=new s(e);return r.load(t),r}).then(function(t){var r=[i.Promise.resolve(t)],n=t.files;if(e.checkCRC32)for(var a=0;a<n.length;a++)r.push(f(n[a]));return i.Promise.all(r)}).then(function(t){for(var n=t.shift(),i=n.files,a=0;a<i.length;a++){var s=i[a];r.file(s.fileNameStr,s.decompressed,{binary:!0,optimizedBinaryString:!0,date:s.date,dir:s.dir,comment:s.fileCommentStr.length?s.fileCommentStr:null,unixPermissions:s.unixPermissions,dosPermissions:s.dosPermissions,createFolders:e.createFolders})}return n.zipComment.length&&(r.comment=n.zipComment),r})}},{"./external":6,"./nodejsUtils":14,"./stream/Crc32Probe":25,"./utf8":31,"./utils":32,"./zipEntries":33}],12:[function(t,e,r){"use strict";var n=t("../utils"),i=t("../stream/GenericWorker");function a(t,e){i.call(this,"Nodejs stream input adapter for "+t),this._upstreamEnded=!1,this._bindStream(e)}n.inherits(a,i),a.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()})},a.prototype.pause=function(){return!!i.prototype.pause.call(this)&&(this._stream.pause(),!0)},a.prototype.resume=function(){return!!i.prototype.resume.call(this)&&(this._upstreamEnded?this.end():this._stream.resume(),!0)},e.exports=a},{"../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,r,n){"use strict";r.exports={isNode:void 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please check the upgrade guide.")},forEach:function(t){var e,r,n;for(e in this.files)n=this.files[e],(r=e.slice(this.root.length,e.length))&&e.slice(0,this.root.length)===this.root&&t(r,n)},filter:function(t){var e=[];return this.forEach(function(r,n){t(r,n)&&e.push(n)}),e},file:function(t,e,r){if(1!==arguments.length)return t=this.root+t,n.call(this,t,e,r),this;if(_(t)){var i=t;return this.filter(function(t,e){return!e.dir&&i.test(t)})}var a=this.files[this.root+t];return a&&!a.dir?a:null},folder:function(t){if(!t)return this;if(_(t))return this.filter(function(e,r){return r.dir&&t.test(e)});var e=this.root+t,r=g.call(this,e),n=this.clone();return n.root=r.name,n},remove:function(t){t=this.root+t;var e=this.files[t];if(e||("/"!==t.slice(-1)&&(t+="/"),e=this.files[t]),e&&!e.dir)delete this.files[t];else for(var r=this.filter(function(e,r){return r.name.slice(0,t.length)===t}),n=0;n<r.length;n++)delete this.files[r[n].name];return this},generate:function(t){throw new Error("This method 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e=t.charCodeAt(0),r=t.charCodeAt(1),n=t.charCodeAt(2),i=t.charCodeAt(3),a=this.readData(4);return e===a[0]&&r===a[1]&&n===a[2]&&i===a[3]},i.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=i},{"../utils":32,"./DataReader":18}],18:[function(t,e,r){"use strict";var n=t("../utils");function i(t){this.data=t,this.length=t.length,this.index=0,this.zero=0}i.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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e=this;this.dataIsReady=!1,this.index=0,this.max=0,this.data=null,this.type="",this._tickScheduled=!1,t.then(function(t){e.dataIsReady=!0,e.data=t,e.max=t&&t.length||0,e.type=n.getTypeOf(t),e.isPaused||e._tickAndRepeat()},function(t){e.error(t)})}n.inherits(a,i),a.prototype.cleanUp=function(){i.prototype.cleanUp.call(this),this.data=null},a.prototype.resume=function(){return!!i.prototype.resume.call(this)&&(!this._tickScheduled&&this.dataIsReady&&(this._tickScheduled=!0,n.delay(this._tickAndRepeat,[],this)),!0)},a.prototype._tickAndRepeat=function(){this._tickScheduled=!1,this.isPaused||this.isFinished||(this._tick(),this.isFinished||(n.delay(this._tickAndRepeat,[],this),this._tickScheduled=!0))},a.prototype._tick=function(){if(this.isPaused||this.isFinished)return!1;var t=null,e=Math.min(this.max,this.index+16384);if(this.index>=this.max)return this.end();switch(this.type){case"string":t=this.data.substring(this.index,e);break;case"uint8array":t=this.data.subarray(this.index,e);break;case"array":case"nodebuffer":t=this.data.slice(this.index,e)}return this.index=e,this.push({data:t,meta:{percent:this.max?this.index/this.max*100:0}})},e.exports=a},{"../utils":32,"./GenericWorker":28}],28:[function(t,e,r){"use strict";function n(t){this.name=t||"default",this.streamInfo={},this.generatedError=null,this.extraStreamInfo={},this.isPaused=!0,this.isFinished=!1,this.isLocked=!1,this._listeners={data:[],end:[],error:[]},this.previous=null}n.prototype={push:function(t){this.emit("data",t)},end:function(){if(this.isFinished)return!1;this.flush();try{this.emit("end"),this.cleanUp(),this.isFinished=!0}catch(t){this.emit("error",t)}return!0},error:function(t){return!this.isFinished&&(this.isPaused?this.generatedError=t:(this.isFinished=!0,this.emit("error",t),this.previous&&this.previous.error(t),this.cleanUp()),!0)},on:function(t,e){return this._listeners[t].push(e),this},cleanUp:function(){this.streamInfo=this.generatedError=this.extraStreamInfo=null,this._listeners=[]},emit:function(t,e){if(this._listeners[t])for(var r=0;r<this._listeners[t].length;r++)this._listeners[t][r].call(this,e)},pipe:function(t){return t.registerPrevious(this)},registerPrevious:function(t){if(this.isLocked)throw new Error("The stream 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used.");this.isLocked=!0,this.previous&&this.previous.lock()},toString:function(){var t="Worker "+this.name;return this.previous?this.previous+" -> "+t:t}},e.exports=n},{}],29:[function(t,r,n){"use strict";var i=t("../utils"),a=t("./ConvertWorker"),s=t("./GenericWorker"),o=t("../base64"),u=t("../support"),f=t("../external"),h=null;if(u.nodestream)try{h=t("../nodejs/NodejsStreamOutputAdapter")}catch(t){}function l(t,e,r){var n=e;switch(e){case"blob":case"arraybuffer":n="uint8array";break;case"base64":n="string"}try{this._internalType=n,this._outputType=e,this._mimeType=r,i.checkSupport(n),this._worker=t.pipe(new a(n)),t.lock()}catch(t){this._worker=new s("error"),this._worker.error(t)}}l.prototype={accumulate:function(t){return function(t,r){return new f.Promise(function(n,a){var s=[],u=t._internalType,f=t._outputType,h=t._mimeType;t.on("data",function(t,e){s.push(t),r&&r(e)}).on("error",function(t){s=[],a(t)}).on("end",function(){try{var t=function(t,e,r){switch(t){case"blob":return i.newBlob(i.transformTo("arraybuffer",e),r);case"base64":return o.encode(e);default:return i.transformTo(t,e)}}(f,function(t,r){var n,i=0,a=null,s=0;for(n=0;n<r.length;n++)s+=r[n].length;switch(t){case"string":return r.join("");case"array":return Array.prototype.concat.apply([],r);case"uint8array":for(a=new Uint8Array(s),n=0;n<r.length;n++)a.set(r[n],i),i+=r[n].length;return a;case"nodebuffer":return e.concat(r);default:throw new Error("concat : unsupported type '"+t+"'")}}(u,s),h);n(t)}catch(t){a(t)}s=[]}).resume()})}(this,t)},on:function(t,e){var r=this;return"data"===t?this._worker.on(t,function(t){e.call(r,t.data,t.meta)}):this._worker.on(t,function(){i.delay(e,arguments,r)}),this},resume:function(){return i.delay(this._worker.resume,[],this._worker),this},pause:function(){return this._worker.pause(),this},toNodejsStream:function(t){if(i.checkSupport("nodestream"),"nodebuffer"!==this._outputType)throw new Error(this._outputType+" is not supported by this method");return new h(this,{objectMode:"nodebuffer"!==this._outputType},t)}},r.exports=l},{"../base64":1,"../external":6,"../nodejs/NodejsStreamOutputAdapter":13,"../support":30,"../utils":32,"./ConvertWorker":24,"./GenericWorker":28}],30:[function(t,r,n){"use strict";if(n.base64=!0,n.array=!0,n.string=!0,n.arraybuffer="undefined"!=typeof ArrayBuffer&&"undefined"!=typeof Uint8Array,n.nodebuffer=void 0!==e,n.uint8array="undefined"!=typeof Uint8Array,"undefined"==typeof ArrayBuffer)n.blob=!1;else{var i=new ArrayBuffer(0);try{n.blob=0===new Blob([i],{type:"application/zip"}).size}catch(t){try{var a=new(self.BlobBuilder||self.WebKitBlobBuilder||self.MozBlobBuilder||self.MSBlobBuilder);a.append(i),n.blob=0===a.getBlob("application/zip").size}catch(t){n.blob=!1}}}try{n.nodestream=!!t("readable-stream").Readable}catch(t){n.nodestream=!1}},{"readable-stream":16}],31:[function(t,e,r){"use strict";for(var n=t("./utils"),i=t("./support"),a=t("./nodejsUtils"),s=t("./stream/GenericWorker"),o=new Array(256),u=0;u<256;u++)o[u]=252<=u?6:248<=u?5:240<=u?4:224<=u?3:192<=u?2:1;function f(){s.call(this,"utf-8 decode"),this.leftOver=null}function h(){s.call(this,"utf-8 encode")}o[254]=o[254]=1,r.utf8encode=function(t){return i.nodebuffer?a.newBufferFrom(t,"utf-8"):function(t){var e,r,n,a,s,o=t.length,u=0;for(a=0;a<o;a++)55296==(64512&(r=t.charCodeAt(a)))&&a+1<o&&56320==(64512&(n=t.charCodeAt(a+1)))&&(r=65536+(r-55296<<10)+(n-56320),a++),u+=r<128?1:r<2048?2:r<65536?3:4;for(e=i.uint8array?new Uint8Array(u):new Array(u),a=s=0;s<u;a++)55296==(64512&(r=t.charCodeAt(a)))&&a+1<o&&56320==(64512&(n=t.charCodeAt(a+1)))&&(r=65536+(r-55296<<10)+(n-56320),a++),r<128?e[s++]=r:(r<2048?e[s++]=192|r>>>6:(r<65536?e[s++]=224|r>>>12:(e[s++]=240|r>>>18,e[s++]=128|r>>>12&63),e[s++]=128|r>>>6&63),e[s++]=128|63&r);return e}(t)},r.utf8decode=function(t){return i.nodebuffer?n.transformTo("nodebuffer",t).toString("utf-8"):function(t){var e,r,i,a,s=t.length,u=new Array(2*s);for(e=r=0;e<s;)if((i=t[e++])<128)u[r++]=i;else if(4<(a=o[i]))u[r++]=65533,e+=a-1;else{for(i&=2===a?31:3===a?15:7;1<a&&e<s;)i=i<<6|63&t[e++],a--;1<a?u[r++]=65533:i<65536?u[r++]=i:(i-=65536,u[r++]=55296|i>>10&1023,u[r++]=56320|1023&i)}return u.length!==r&&(u.subarray?u=u.subarray(0,r):u.length=r),n.applyFromCharCode(u)}(t=n.transformTo(i.uint8array?"uint8array":"array",t))},n.inherits(f,s),f.prototype.processChunk=function(t){var e=n.transformTo(i.uint8array?"uint8array":"array",t.data);if(this.leftOver&&this.leftOver.length){if(i.uint8array){var a=e;(e=new Uint8Array(a.length+this.leftOver.length)).set(this.leftOver,0),e.set(a,this.leftOver.length)}else e=this.leftOver.concat(e);this.leftOver=null}var s=function(t,e){var r;for((e=e||t.length)>t.length&&(e=t.length),r=e-1;0<=r&&128==(192&t[r]);)r--;return r<0?e:0===r?e:r+o[t[r]]>e?r:e}(e),u=e;s!==e.length&&(i.uint8array?(u=e.subarray(0,s),this.leftOver=e.subarray(s,e.length)):(u=e.slice(0,s),this.leftOver=e.slice(s,e.length))),this.push({data:r.utf8decode(u),meta:t.meta})},f.prototype.flush=function(){this.leftOver&&this.leftOver.length&&(this.push({data:r.utf8decode(this.leftOver),meta:{}}),this.leftOver=null)},r.Utf8DecodeWorker=f,n.inherits(h,s),h.prototype.processChunk=function(t){this.push({data:r.utf8encode(t.data),meta:t.meta})},r.Utf8EncodeWorker=h},{"./nodejsUtils":14,"./stream/GenericWorker":28,"./support":30,"./utils":32}],32:[function(t,e,r){"use strict";var n=t("./support"),i=t("./base64"),a=t("./nodejsUtils"),s=t("set-immediate-shim"),o=t("./external");function u(t){return t}function f(t,e){for(var r=0;r<t.length;++r)e[r]=255&t.charCodeAt(r);return e}r.newBlob=function(t,e){r.checkSupport("blob");try{return new Blob([t],{type:e})}catch(r){try{var n=new(self.BlobBuilder||self.WebKitBlobBuilder||self.MozBlobBuilder||self.MSBlobBuilder);return n.append(t),n.getBlob(e)}catch(t){throw new Error("Bug : can't construct the Blob.")}}};var h={stringifyByChunk:function(t,e,r){var n=[],i=0,a=t.length;if(a<=r)return String.fromCharCode.apply(null,t);for(;i<a;)"array"===e||"nodebuffer"===e?n.push(String.fromCharCode.apply(null,t.slice(i,Math.min(i+r,a)))):n.push(String.fromCharCode.apply(null,t.subarray(i,Math.min(i+r,a)))),i+=r;return n.join("")},stringifyByChar:function(t){for(var e="",r=0;r<t.length;r++)e+=String.fromCharCode(t[r]);return e},applyCanBeUsed:{uint8array:function(){try{return n.uint8array&&1===String.fromCharCode.apply(null,new Uint8Array(1)).length}catch(t){return!1}}(),nodebuffer:function(){try{return n.nodebuffer&&1===String.fromCharCode.apply(null,a.allocBuffer(1)).length}catch(t){return!1}}()}};function l(t){var e=65536,n=r.getTypeOf(t),i=!0;if("uint8array"===n?i=h.applyCanBeUsed.uint8array:"nodebuffer"===n&&(i=h.applyCanBeUsed.nodebuffer),i)for(;1<e;)try{return h.stringifyByChunk(t,n,e)}catch(t){e=Math.floor(e/2)}return h.stringifyByChar(t)}function c(t,e){for(var r=0;r<t.length;r++)e[r]=t[r];return e}r.applyFromCharCode=l;var d={};d.string={string:u,array:function(t){return f(t,new Array(t.length))},arraybuffer:function(t){return d.string.uint8array(t).buffer},uint8array:function(t){return f(t,new Uint8Array(t.length))},nodebuffer:function(t){return f(t,a.allocBuffer(t.length))}},d.array={string:l,array:u,arraybuffer:function(t){return new Uint8Array(t).buffer},uint8array:function(t){return new Uint8Array(t)},nodebuffer:function(t){return a.newBufferFrom(t)}},d.arraybuffer={string:function(t){return l(new Uint8Array(t))},array:function(t){return c(new Uint8Array(t),new Array(t.byteLength))},arraybuffer:u,uint8array:function(t){return new Uint8Array(t)},nodebuffer:function(t){return a.newBufferFrom(new Uint8Array(t))}},d.uint8array={string:l,array:function(t){return c(t,new Array(t.length))},arraybuffer:function(t){return t.buffer},uint8array:u,nodebuffer:function(t){return a.newBufferFrom(t)}},d.nodebuffer={string:l,array:function(t){return c(t,new Array(t.length))},arraybuffer:function(t){return d.nodebuffer.uint8array(t).buffer},uint8array:function(t){return c(t,new Uint8Array(t.length))},nodebuffer:u},r.transformTo=function(t,e){if(e=e||"",!t)return e;r.checkSupport(t);var n=r.getTypeOf(e);return d[n][t](e)},r.getTypeOf=function(t){return"string"==typeof t?"string":"[object Array]"===Object.prototype.toString.call(t)?"array":n.nodebuffer&&a.isBuffer(t)?"nodebuffer":n.uint8array&&t instanceof Uint8Array?"uint8array":n.arraybuffer&&t instanceof ArrayBuffer?"arraybuffer":void 0},r.checkSupport=function(t){if(!n[t.toLowerCase()])throw new Error(t+" is not supported by this platform")},r.MAX_VALUE_16BITS=65535,r.MAX_VALUE_32BITS=-1,r.pretty=function(t){var e,r,n="";for(r=0;r<(t||"").length;r++)n+="\\x"+((e=t.charCodeAt(r))<16?"0":"")+e.toString(16).toUpperCase();return n},r.delay=function(t,e,r){s(function(){t.apply(r||null,e||[])})},r.inherits=function(t,e){function r(){}r.prototype=e.prototype,t.prototype=new r},r.extend=function(){var t,e,r={};for(t=0;t<arguments.length;t++)for(e in arguments[t])arguments[t].hasOwnProperty(e)&&void 0===r[e]&&(r[e]=arguments[t][e]);return r},r.prepareContent=function(t,e,a,s,u){return o.Promise.resolve(e).then(function(t){return n.blob&&(t instanceof Blob||-1!==["[object File]","[object Blob]"].indexOf(Object.prototype.toString.call(t)))&&"undefined"!=typeof FileReader?new o.Promise(function(e,r){var n=new FileReader;n.onload=function(t){e(t.target.result)},n.onerror=function(t){r(t.target.error)},n.readAsArrayBuffer(t)}):t}).then(function(e){var h=r.getTypeOf(e);return h?("arraybuffer"===h?e=r.transformTo("uint8array",e):"string"===h&&(u?e=i.decode(e):a&&!0!==s&&(e=function(t){return f(t,n.uint8array?new Uint8Array(t.length):new Array(t.length))}(e))),e):o.Promise.reject(new Error("Can't read the data of '"+t+"'. 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 n=t("./reader/readerFor"),i=t("./utils"),a=t("./signature"),s=t("./zipEntry"),o=(t("./utf8"),t("./support"));function u(t){this.files=[],this.loadOptions=t}u.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 ("+i.pretty(e)+", expected "+i.pretty(t)+")")}},isSignature:function(t,e){var r=this.reader.index;this.reader.setIndex(t);var n=this.reader.readString(4)===e;return this.reader.setIndex(r),n},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=i.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,n=this.zip64EndOfCentralSize-44;0<n;)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(a.LOCAL_FILE_HEADER),e.readLocalPart(this.reader),e.handleUTF8(),e.processAttributes()},readCentralDir:function(){var t;for(this.reader.setIndex(this.centralDirOffset);this.reader.readAndCheckSignature(a.CENTRAL_FILE_HEADER);)(t=new s({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(a.CENTRAL_DIRECTORY_END);if(t<0)throw this.isSignature(0,a.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(t);var e=t;if(this.checkSignature(a.CENTRAL_DIRECTORY_END),this.readBlockEndOfCentral(),this.diskNumber===i.MAX_VALUE_16BITS||this.diskWithCentralDirStart===i.MAX_VALUE_16BITS||this.centralDirRecordsOnThisDisk===i.MAX_VALUE_16BITS||this.centralDirRecords===i.MAX_VALUE_16BITS||this.centralDirSize===i.MAX_VALUE_32BITS||this.centralDirOffset===i.MAX_VALUE_32BITS){if(this.zip64=!0,(t=this.reader.lastIndexOfSignature(a.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(a.ZIP64_CENTRAL_DIRECTORY_LOCATOR),this.readBlockZip64EndOfCentralLocator(),!this.isSignature(this.relativeOffsetEndOfZip64CentralDir,a.ZIP64_CENTRAL_DIRECTORY_END)&&(this.relativeOffsetEndOfZip64CentralDir=this.reader.lastIndexOfSignature(a.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(a.ZIP64_CENTRAL_DIRECTORY_END),this.readBlockZip64E