pdfjs-dist/build/pdf.min.js

Generic build of Mozilla's PDF.js library.

/**
 * @licstart The following is the entire license notice for the
 * Javascript code in this page
 *
 * Copyright 2021 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @licend The above is the entire license notice for the
 * Javascript code in this page
 */
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n={ERRORS:0,WARNINGS:1,INFOS:5};t.VerbosityLevel=n;t.CMapCompressionType={NONE:0,BINARY:1,STREAM:2};t.OPS={dependency:1,setLineWidth:2,setLineCap:3,setLineJoin:4,setMiterLimit:5,setDash:6,setRenderingIntent:7,setFlatness:8,setGState:9,save:10,restore:11,transform:12,moveTo:13,lineTo:14,curveTo:15,curveTo2:16,curveTo3:17,closePath:18,rectangle:19,stroke:20,closeStroke:21,fill:22,eoFill:23,fillStroke:24,eoFillStroke:25,closeFillStroke:26,closeEOFillStroke:27,endPath:28,clip:29,eoClip:30,beginText:31,endText:32,setCharSpacing:33,setWordSpacing:34,setHScale:35,setLeading:36,setFont:37,setTextRenderingMode:38,setTextRise:39,moveText:40,setLeadingMoveText:41,setTextMatrix:42,nextLine:43,showText:44,showSpacedText:45,nextLineShowText:46,nextLineSetSpacingShowText:47,setCharWidth:48,setCharWidthAndBounds:49,setStrokeColorSpace:50,setFillColorSpace:51,setStrokeColor:52,setStrokeColorN:53,setFillColor:54,setFillColorN:55,setStrokeGray:56,setFillGray:57,setStrokeRGBColor:58,setFillRGBColor:59,setStrokeCMYKColor:60,setFillCMYKColor:61,shadingFill:62,beginInlineImage:63,beginImageData:64,endInlineImage:65,paintXObject:66,markPoint:67,markPointProps:68,beginMarkedContent:69,beginMarkedContentProps:70,endMarkedContent:71,beginCompat:72,endCompat:73,paintFormXObjectBegin:74,paintFormXObjectEnd:75,beginGroup:76,endGroup:77,beginAnnotations:78,endAnnotations:79,beginAnnotation:80,endAnnotation:81,paintJpegXObject:82,paintImageMaskXObject:83,paintImageMaskXObjectGroup:84,paintImageXObject:85,paintInlineImageXObject:86,paintInlineImageXObjectGroup:87,paintImageXObjectRepeat:88,paintImageMaskXObjectRepeat:89,paintSolidColorImageMask:90,constructPath:91};t.UNSUPPORTED_FEATURES={unknown:"unknown",forms:"forms",javaScript:"javaScript",smask:"smask",shadingPattern:"shadingPattern",font:"font",errorTilingPattern:"errorTilingPattern",errorExtGState:"errorExtGState",errorXObject:"errorXObject",errorFontLoadType3:"errorFontLoadType3",errorFontState:"errorFontState",errorFontMissing:"errorFontMissing",errorFontTranslate:"errorFontTranslate",errorColorSpace:"errorColorSpace",errorOperatorList:"errorOperatorList",errorFontToUnicode:"errorFontToUnicode",errorFontLoadNative:"errorFontLoadNative",errorFontGetPath:"errorFontGetPath",errorMarkedContent:"errorMarkedContent"};t.PasswordResponses={NEED_PASSWORD:1,INCORRECT_PASSWORD:2};let s=n.WARNINGS;function warn(e){s>=n.WARNINGS&&console.log(`Warning: ${e}`)}function unreachable(e){throw new Error(e)}function assert(e,t){e||unreachable(t)}function shadow(e,t,r){Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!1});return r}const a=function BaseExceptionClosure(){function BaseException(e){this.constructor===BaseException&&unreachable("Cannot initialize BaseException.");this.message=e;this.name=this.constructor.name}BaseException.prototype=new Error;BaseException.constructor=BaseException;return BaseException}();t.BaseException=a;t.PasswordException=class PasswordException extends a{constructor(e,t){super(e);this.code=t}};t.UnknownErrorException=class UnknownErrorException extends a{constructor(e,t){super(e);this.details=t}};t.InvalidPDFException=class InvalidPDFException extends a{};t.MissingPDFException=class MissingPDFException extends a{};t.UnexpectedResponseException=class UnexpectedResponseException extends a{constructor(e,t){super(e);this.status=t}};t.FormatError=class FormatError extends a{};t.AbortException=class AbortException extends a{};const i=/\x00/g;function stringToBytes(e){assert("string"==typeof e,"Invalid argument for stringToBytes");const t=e.length,r=new Uint8Array(t);for(let n=0;n<t;++n)r[n]=255&e.charCodeAt(n);return r}function arrayByteLength(e){if(void 0!==e.length)return e.length;assert(void 0!==e.byteLength,"arrayByteLength - invalid argument.");return e.byteLength}const o={get value(){return shadow(this,"value",function isLittleEndian(){const e=new Uint8Array(4);e[0]=1;return 1===new Uint32Array(e.buffer,0,1)[0]}())}};t.IsLittleEndianCached=o;const l={get value(){return shadow(this,"value",function isEvalSupported(){try{new Function("");return!0}catch(e){return!1}}())}};t.IsEvalSupportedCached=l;const c=[...Array(256).keys()].map((e=>e.toString(16).padStart(2,"0")));class Util{static makeHexColor(e,t,r){return`#${c[e]}${c[t]}${c[r]}`}static transform(e,t){return[e[0]*t[0]+e[2]*t[1],e[1]*t[0]+e[3]*t[1],e[0]*t[2]+e[2]*t[3],e[1]*t[2]+e[3]*t[3],e[0]*t[4]+e[2]*t[5]+e[4],e[1]*t[4]+e[3]*t[5]+e[5]]}static applyTransform(e,t){return[e[0]*t[0]+e[1]*t[2]+t[4],e[0]*t[1]+e[1]*t[3]+t[5]]}static applyInverseTransform(e,t){const r=t[0]*t[3]-t[1]*t[2];return[(e[0]*t[3]-e[1]*t[2]+t[2]*t[5]-t[4]*t[3])/r,(-e[0]*t[1]+e[1]*t[0]+t[4]*t[1]-t[5]*t[0])/r]}static getAxialAlignedBoundingBox(e,t){const r=Util.applyTransform(e,t),n=Util.applyTransform(e.slice(2,4),t),s=Util.applyTransform([e[0],e[3]],t),a=Util.applyTransform([e[2],e[1]],t);return[Math.min(r[0],n[0],s[0],a[0]),Math.min(r[1],n[1],s[1],a[1]),Math.max(r[0],n[0],s[0],a[0]),Math.max(r[1],n[1],s[1],a[1])]}static inverseTransform(e){const t=e[0]*e[3]-e[1]*e[2];return[e[3]/t,-e[1]/t,-e[2]/t,e[0]/t,(e[2]*e[5]-e[4]*e[3])/t,(e[4]*e[1]-e[5]*e[0])/t]}static apply3dTransform(e,t){return[e[0]*t[0]+e[1]*t[1]+e[2]*t[2],e[3]*t[0]+e[4]*t[1]+e[5]*t[2],e[6]*t[0]+e[7]*t[1]+e[8]*t[2]]}static singularValueDecompose2dScale(e){const t=[e[0],e[2],e[1],e[3]],r=e[0]*t[0]+e[1]*t[2],n=e[0]*t[1]+e[1]*t[3],s=e[2]*t[0]+e[3]*t[2],a=e[2]*t[1]+e[3]*t[3],i=(r+a)/2,o=Math.sqrt((r+a)**2-4*(r*a-s*n))/2,l=i+o||1,c=i-o||1;return[Math.sqrt(l),Math.sqrt(c)]}static normalizeRect(e){const t=e.slice(0);if(e[0]>e[2]){t[0]=e[2];t[2]=e[0]}if(e[1]>e[3]){t[1]=e[3];t[3]=e[1]}return t}static intersect(e,t){function compare(e,t){return e-t}const r=[e[0],e[2],t[0],t[2]].sort(compare),n=[e[1],e[3],t[1],t[3]].sort(compare),s=[];e=Util.normalizeRect(e);t=Util.normalizeRect(t);if(!(r[0]===e[0]&&r[1]===t[0]||r[0]===t[0]&&r[1]===e[0]))return null;s[0]=r[1];s[2]=r[2];if(!(n[0]===e[1]&&n[1]===t[1]||n[0]===t[1]&&n[1]===e[1]))return null;s[1]=n[1];s[3]=n[2];return s}}t.Util=Util;const h=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,728,711,710,729,733,731,730,732,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8226,8224,8225,8230,8212,8211,402,8260,8249,8250,8722,8240,8222,8220,8221,8216,8217,8218,8482,64257,64258,321,338,352,376,381,305,322,339,353,382,0,8364]},(e,t,r)=>{r(4)},(e,t)=>{Object.defineProperty(t,"__esModule",{value:!0});t.isNodeJS=void 0;const r=!("object"!=typeof process||process+""!="[object process]"||process.versions.nw||process.versions.electron&&process.type&&"browser"!==process.type);t.isNodeJS=r},(__unused_webpack_module,exports,__w_pdfjs_require__)=>{Object.defineProperty(exports,"__esModule",{value:!0});exports.getDocument=getDocument;exports.setPDFNetworkStreamFactory=setPDFNetworkStreamFactory;exports.version=exports.PDFWorker=exports.PDFPageProxy=exports.PDFDocumentProxy=exports.PDFDataRangeTransport=exports.LoopbackPort=exports.DefaultCMapReaderFactory=exports.DefaultCanvasFactory=exports.build=void 0;var _util=__w_pdfjs_require__(2),_display_utils=__w_pdfjs_require__(1),_font_loader=__w_pdfjs_require__(6),_node_utils=__w_pdfjs_require__(7),_annotation_storage=__w_pdfjs_require__(8),_api_compatibility=__w_pdfjs_require__(9),_canvas=__w_pdfjs_require__(10),_worker_options=__w_pdfjs_require__(12),_is_node=__w_pdfjs_require__(4),_message_handler=__w_pdfjs_require__(13),_metadata=__w_pdfjs_require__(14),_optional_content_config=__w_pdfjs_require__(15),_transport_stream=__w_pdfjs_require__(16),_webgl=__w_pdfjs_require__(17);const DEFAULT_RANGE_CHUNK_SIZE=65536,RENDERING_CANCELLED_TIMEOUT=100,DefaultCanvasFactory=_is_node.isNodeJS?_node_utils.NodeCanvasFactory:_display_utils.DOMCanvasFactory;exports.DefaultCanvasFactory=DefaultCanvasFactory;const DefaultCMapReaderFactory=_is_node.isNodeJS?_node_utils.NodeCMapReaderFactory:_display_utils.DOMCMapReaderFactory;exports.DefaultCMapReaderFactory=DefaultCMapReaderFactory;let createPDFNetworkStream;function setPDFNetworkStreamFactory(e){createPDFNetworkStream=e}function getDocument(e){const t=new PDFDocumentLoadingTask;let r;if("string"==typeof e||e instanceof URL)r={url:e};else if((0,_util.isArrayBuffer)(e))r={data:e};else if(e instanceof PDFDataRangeTransport)r={range:e};else{if("object"!=typeof e)throw new Error("Invalid parameter in getDocument, need either string, URL, Uint8Array, or parameter object.");if(!e.url&&!e.data&&!e.range)throw new Error("Invalid parameter object: need either .data, .range or .url");r=e}const n=Object.create(null);let s=null,a=null;for(const e in r){const t=r[e];switch(e){case"url":if("undefined"!=typeof window)try{n[e]=new URL(t,window.location).href;continue}catch(e){(0,_util.warn)(`Cannot create valid URL: "${e}".`)}else if("string"==typeof t||t instanceof URL){n[e]=t.toString();continue}throw new Error("Invalid PDF url data: either string or URL-object is expected in the url property.");case"range":s=t;continue;case"worker":a=t;continue;case"data":if(_is_node.isNodeJS&&"undefined"!=typeof Buffer&&t instanceof Buffer)n[e]=new Uint8Array(t);else{if(t instanceof Uint8Array)break;if("string"==typeof t)n[e]=(0,_util.stringToBytes)(t);else if("object"!=typeof t||null===t||isNaN(t.length)){if(!(0,_util.isArrayBuffer)(t))throw new Error("Invalid PDF binary data: either typed array, string, or array-like object is expected in the data property.");n[e]=new Uint8Array(t)}else n[e]=new Uint8Array(t)}continue}n[e]=t}n.rangeChunkSize=n.rangeChunkSize||DEFAULT_RANGE_CHUNK_SIZE;n.CMapReaderFactory=n.CMapReaderFactory||DefaultCMapReaderFactory;n.ignoreErrors=!0!==n.stopAtErrors;n.fontExtraProperties=!0===n.fontExtraProperties;n.pdfBug=!0===n.pdfBug;n.enableXfa=!0===n.enableXfa;("string"!=typeof n.docBaseUrl||(0,_display_utils.isDataScheme)(n.docBaseUrl))&&(n.docBaseUrl=null);Number.isInteger(n.maxImageSize)||(n.maxImageSize=-1);"boolean"!=typeof n.isEvalSupported&&(n.isEvalSupported=!0);"boolean"!=typeof n.disableFontFace&&(n.disableFontFace=_api_compatibility.apiCompatibilityParams.disableFontFace||!1);void 0===n.ownerDocument&&(n.ownerDocument=globalThis.document);"boolean"!=typeof n.disableRange&&(n.disableRange=!1);"boolean"!=typeof n.disableStream&&(n.disableStream=!1);"boolean"!=typeof n.disableAutoFetch&&(n.disableAutoFetch=!1);(0,_util.setVerbosityLevel)(n.verbosity);if(!a){const e={verbosity:n.verbosity,port:_worker_options.GlobalWorkerOptions.workerPort};a=e.port?PDFWorker.fromPort(e):new PDFWorker(e);t._worker=a}const i=t.docId;a.promise.then((function(){if(t.destroyed)throw new Error("Loading aborted");const e=_fetchDocument(a,n,s,i),r=new Promise((function(e){let t;s?t=new _transport_stream.PDFDataTransportStream({length:n.length,initialData:n.initialData,progressiveDone:n.progressiveDone,contentDispositionFilename:n.contentDispositionFilename,disableRange:n.disableRange,disableStream:n.disableStream},s):n.data||(t=createPDFNetworkStream({url:n.url,length:n.length,httpHeaders:n.httpHeaders,withCredentials:n.withCredentials,rangeChunkSize:n.rangeChunkSize,disableRange:n.disableRange,disableStream:n.disableStream}));e(t)}));return Promise.all([e,r]).then((function([e,r]){if(t.destroyed)throw new Error("Loading aborted");const s=new _message_handler.MessageHandler(i,e,a.port);s.postMessageTransfers=a.postMessageTransfers;const o=new WorkerTransport(s,t,r,n);t._transport=o;s.send("Ready",null)}))})).catch(t._capability.reject);return t}function _fetchDocument(e,t,r,n){if(e.destroyed)return Promise.reject(new Error("Worker was destroyed"));if(r){t.length=r.length;t.initialData=r.initialData;t.progressiveDone=r.progressiveDone;t.contentDispositionFilename=r.contentDispositionFilename}return e.messageHandler.sendWithPromise("GetDocRequest",{docId:n,apiVersion:"2.8.335",source:{data:t.data,url:t.url,password:t.password,disableAutoFetch:t.disableAutoFetch,rangeChunkSize:t.rangeChunkSize,length:t.length},maxImageSize:t.maxImageSize,disableFontFace:t.disableFontFace,postMessageTransfers:e.postMessageTransfers,docBaseUrl:t.docBaseUrl,ignoreErrors:t.ignoreErrors,isEvalSupported:t.isEvalSupported,fontExtraProperties:t.fontExtraProperties,enableXfa:t.enableXfa}).then((function(t){if(e.destroyed)throw new Error("Worker was destroyed");return t}))}const PDFDocumentLoadingTask=function PDFDocumentLoadingTaskClosure(){let e=0;return class PDFDocumentLoadingTask{constructor(){this._capability=(0,_util.createPromiseCapability)();this._transport=null;this._worker=null;this.docId="d"+e++;this.destroyed=!1;this.onPassword=null;this.onProgress=null;this.onUnsupportedFeature=null}get promise(){return this._capability.promise}destroy(){this.destroyed=!0;return(this._transport?this._transport.destroy():Promise.resolve()).then((()=>{this._transport=null;if(this._worker){this._worker.destroy();this._worker=null}}))}}}();class PDFDataRangeTransport{constructor(e,t,r=!1,n=null){this.length=e;this.initialData=t;this.progressiveDone=r;this.contentDispositionFilename=n;this._rangeListeners=[];this._progressListeners=[];this._progressiveReadListeners=[];this._progressiveDoneListeners=[];this._readyCapability=(0,_util.createPromiseCapability)()}addRangeListener(e){this._rangeListeners.push(e)}addProgressListener(e){this._progressListeners.push(e)}addProgressiveReadListener(e){this._progressiveReadListeners.push(e)}addProgressiveDoneListener(e){this._progressiveDoneListeners.push(e)}onDataRange(e,t){for(const r of this._rangeListeners)r(e,t)}onDataProgress(e,t){this._readyCapability.promise.then((()=>{for(const r of this._progressListeners)r(e,t)}))}onDataProgressiveRead(e){this._readyCapability.promise.then((()=>{for(const t of this._progressiveReadListeners)t(e)}))}onDataProgressiveDone(){this._readyCapability.promise.then((()=>{for(const e of this._progressiveDoneListeners)e()}))}transportReady(){this._readyCapability.resolve()}requestDataRange(e,t){(0,_util.unreachable)("Abstract method PDFDataRangeTransport.requestDataRange")}abort(){}}exports.PDFDataRangeTransport=PDFDataRangeTransport;class PDFDocumentProxy{constructor(e,t){this._pdfInfo=e;this._transport=t}get annotationStorage(){return(0,_util.shadow)(this,"annotationStorage",new _annotation_storage.AnnotationStorage)}get numPages(){return this._pdfInfo.numPages}get fingerprint(){return this._pdfInfo.fingerprint}get isPureXfa(){return this._pdfInfo.isPureXfa}getPage(e){return this._transport.getPage(e)}getPageIndex(e){return this._transport.getPageIndex(e)}getDestinations(){return this._transport.getDestinations()}getDestination(e){return this._transport.getDestination(e)}getPageLabels(){return this._transport.getPageLabels()}getPageLayout(){return this._transport.getPageLayout()}getPageMode(){return this._transport.getPageMode()}getViewerPreferences(){return this._transport.getViewerPreferences()}getOpenAction(){return this._transport.getOpenAction()}getAttachments(){return this._transport.getAttachments()}getJavaScript(){return this._transport.getJavaScript()}getJSActions(){return this._transport.getDocJSActions()}getOutline(){return this._transport.getOutline()}getOptionalContentConfig(){return this._transport.getOptionalContentConfig()}getPermissions(){return this._transport.getPermissions()}getMetadata(){return this._transport.getMetadata()}getMarkInfo(){return this._transport.getMarkInfo()}getData(){return this._transport.getData()}getDownloadInfo(){return this._transport.downloadInfoCapability.promise}getStats(){return this._transport.getStats()}cleanup(e=!1){return this._transport.startCleanup(e||this.isPureXfa)}destroy(){return this.loadingTask.destroy()}get loadingParams(){return this._transport.loadingParams}get loadingTask(){return this._transport.loadingTask}saveDocument(e){return this._transport.saveDocument(e)}getFieldObjects(){return this._transport.getFieldObjects()}hasJSActions(){return this._transport.hasJSActions()}getCalculationOrderIds(){return this._transport.getCalculationOrderIds()}}exports.PDFDocumentProxy=PDFDocumentProxy;class PDFPageProxy{constructor(e,t,r,n,s=!1){this._pageIndex=e;this._pageInfo=t;this._ownerDocument=n;this._transport=r;this._stats=s?new _display_utils.StatTimer:null;this._pdfBug=s;this.commonObjs=r.commonObjs;this.objs=new PDFObjects;this.cleanupAfterRender=!1;this.pendingCleanup=!1;this._intentStates=new Map;this.destroyed=!1}get pageNumber(){return this._pageIndex+1}get rotate(){return this._pageInfo.rotate}get ref(){return this._pageInfo.ref}get userUnit(){return this._pageInfo.userUnit}get view(){return this._pageInfo.view}getViewport({scale:e,rotation:t=this.rotate,offsetX:r=0,offsetY:n=0,dontFlip:s=!1}={}){return new _display_utils.PageViewport({viewBox:this.view,scale:e,rotation:t,offsetX:r,offsetY:n,dontFlip:s})}getAnnotations({intent:e=null}={}){if(!this._annotationsPromise||this._annotationsIntent!==e){this._annotationsPromise=this._transport.getAnnotations(this._pageIndex,e);this._annotationsIntent=e}return this._annotationsPromise}getJSActions(){return this._jsActionsPromise||(this._jsActionsPromise=this._transport.getPageJSActions(this._pageIndex))}getXfa(){return this._xfaPromise||(this._xfaPromise=this._transport.getPageXfa(this._pageIndex))}render({canvasContext:e,viewport:t,intent:r="display",enableWebGL:n=!1,renderInteractiveForms:s=!1,transform:a=null,imageLayer:i=null,canvasFactory:o=null,background:l=null,annotationStorage:c=null,optionalContentConfigPromise:h=null}){var d;this._stats&&this._stats.time("Overall");const u="print"===r?"print":"display";this.pendingCleanup=!1;h||(h=this._transport.getOptionalContentConfig());let p=this._intentStates.get(u);if(!p){p=Object.create(null);this._intentStates.set(u,p)}if(p.streamReaderCancelTimeout){clearTimeout(p.streamReaderCancelTimeout);p.streamReaderCancelTimeout=null}const f=o||new DefaultCanvasFactory({ownerDocument:this._ownerDocument}),g=new _webgl.WebGLContext({enable:n});if(!p.displayReadyCapability){p.displayReadyCapability=(0,_util.createPromiseCapability)();p.operatorList={fnArray:[],argsArray:[],lastChunk:!1};this._stats&&this._stats.time("Page Request");this._pumpOperatorList({pageIndex:this._pageIndex,intent:u,renderInteractiveForms:!0===s,annotationStorage:c?.serializable||null})}const complete=e=>{p.renderTasks.delete(m);(this.cleanupAfterRender||"print"===u)&&(this.pendingCleanup=!0);this._tryCleanup();if(e){m.capability.reject(e);this._abortOperatorList({intentState:p,reason:e})}else m.capability.resolve();if(this._stats){this._stats.timeEnd("Rendering");this._stats.timeEnd("Overall")}},m=new InternalRenderTask({callback:complete,params:{canvasContext:e,viewport:t,transform:a,imageLayer:i,background:l},objs:this.objs,commonObjs:this.commonObjs,operatorList:p.operatorList,pageIndex:this._pageIndex,canvasFactory:f,webGLContext:g,useRequestAnimationFrame:"print"!==u,pdfBug:this._pdfBug});((d=p).renderTasks||(d.renderTasks=new Set)).add(m);const _=m.task;Promise.all([p.displayReadyCapability.promise,h]).then((([e,t])=>{if(this.pendingCleanup)complete();else{this._stats&&this._stats.time("Rendering");m.initializeGraphics({transparency:e,optionalContentConfig:t});m.operatorListChanged()}})).catch(complete);return _}getOperatorList(){const e="oplist";let t,r=this._intentStates.get(e);if(!r){r=Object.create(null);this._intentStates.set(e,r)}if(!r.opListReadCapability){var n;t=Object.create(null);t.operatorListChanged=function operatorListChanged(){if(r.operatorList.lastChunk){r.opListReadCapability.resolve(r.operatorList);r.renderTasks.delete(t)}};r.opListReadCapability=(0,_util.createPromiseCapability)();((n=r).renderTasks||(n.renderTasks=new Set)).add(t);r.operatorList={fnArray:[],argsArray:[],lastChunk:!1};this._stats&&this._stats.time("Page Request");this._pumpOperatorList({pageIndex:this._pageIndex,intent:e})}return r.opListReadCapability.promise}streamTextContent({normalizeWhitespace:e=!1,disableCombineTextItems:t=!1}={}){return this._transport.messageHandler.sendWithStream("GetTextContent",{pageIndex:this._pageIndex,normalizeWhitespace:!0===e,combineTextItems:!0!==t},{highWaterMark:100,size:e=>e.items.length})}getTextContent(e={}){const t=this.streamTextContent(e);return new Promise((function(e,r){const n=t.getReader(),s={items:[],styles:Object.create(null)};!function pump(){n.read().then((function({value:t,done:r}){if(r)e(s);else{Object.assign(s.styles,t.styles);s.items.push(...t.items);pump()}}),r)}()}))}_destroy(){this.destroyed=!0;this._transport.pageCache[this._pageIndex]=null;const e=[];for(const[t,r]of this._intentStates){this._abortOperatorList({intentState:r,reason:new Error("Page was destroyed."),force:!0});if("oplist"!==t)for(const t of r.renderTasks){e.push(t.completed);t.cancel()}}this.objs.clear();this._annotationsPromise=null;this._jsActionsPromise=null;this._xfaPromise=null;this.pendingCleanup=!1;return Promise.all(e)}cleanup(e=!1){this.pendingCleanup=!0;return this._tryCleanup(e)}_tryCleanup(e=!1){if(!this.pendingCleanup)return!1;for(const{renderTasks:e,operatorList:t}of this._intentStates.values())if(e.size>0||!t.lastChunk)return!1;this._intentStates.clear();this.objs.clear();this._annotationsPromise=null;this._jsActionsPromise=null;this._xfaPromise=null;e&&this._stats&&(this._stats=new _display_utils.StatTimer);this.pendingCleanup=!1;return!0}_startRenderPage(e,t){const r=this._intentStates.get(t);if(r){this._stats&&this._stats.timeEnd("Page Request");r.displayReadyCapability&&r.displayReadyCapability.resolve(e)}}_renderPageChunk(e,t){for(let r=0,n=e.length;r<n;r++){t.operatorList.fnArray.push(e.fnArray[r]);t.operatorList.argsArray.push(e.argsArray[r])}t.operatorList.lastChunk=e.lastChunk;for(const e of t.renderTasks)e.operatorListChanged();e.lastChunk&&this._tryCleanup()}_pumpOperatorList(e){(0,_util.assert)(e.intent,'PDFPageProxy._pumpOperatorList: Expected "intent" argument.');const t=this._transport.messageHandler.sendWithStream("GetOperatorList",e).getReader(),r=this._intentStates.get(e.intent);r.streamReader=t;const pump=()=>{t.read().then((({value:e,done:t})=>{if(t)r.streamReader=null;else if(!this._transport.destroyed){this._renderPageChunk(e,r);pump()}}),(e=>{r.streamReader=null;if(!this._transport.destroyed){if(r.operatorList){r.operatorList.lastChunk=!0;for(const e of r.renderTasks)e.operatorListChanged();this._tryCleanup()}if(r.displayReadyCapability)r.displayReadyCapability.reject(e);else{if(!r.opListReadCapability)throw e;r.opListReadCapability.reject(e)}}}))};pump()}_abortOperatorList({intentState:e,reason:t,force:r=!1}){(0,_util.assert)(t instanceof Error||"object"==typeof t&&null!==t,'PDFPageProxy._abortOperatorList: Expected "reason" argument.');if(e.streamReader){if(!r){if(e.renderTasks.size>0)return;if(t instanceof _display_utils.RenderingCancelledException){e.streamReaderCancelTimeout=setTimeout((()=>{this._abortOperatorList({intentState:e,reason:t,force:!0});e.streamReaderCancelTimeout=null}),RENDERING_CANCELLED_TIMEOUT);return}}e.streamReader.cancel(new _util.AbortException(t?.message));e.streamReader=null;if(!this._transport.destroyed){for(const[t,r]of this._intentStates)if(r===e){this._intentStates.delete(t);break}this.cleanup()}}}get stats(){return this._stats}}exports.PDFPageProxy=PDFPageProxy;class LoopbackPort{constructor(){this._listeners=[];this._deferred=Promise.resolve(void 0)}postMessage(e,t){const r=new WeakMap,n={data:function cloneValue(e){if("object"!=typeof e||null===e)return e;if(r.has(e))return r.get(e);let n,s;if((n=e.buffer)&&(0,_util.isArrayBuffer)(n)){s=t?.includes(n)?new e.constructor(n,e.byteOffset,e.byteLength):new e.constructor(e);r.set(e,s);return s}if(e instanceof Map){s=new Map;r.set(e,s);for(const[t,r]of e)s.set(t,cloneValue(r));return s}if(e instanceof Set){s=new Set;r.set(e,s);for(const t of e)s.add(cloneValue(t));return s}s=Array.isArray(e)?[]:{};r.set(e,s);for(const t in e){let r,n=e;for(;!(r=Object.getOwnPropertyDescriptor(n,t));)n=Object.getPrototypeOf(n);if(void 0!==r.value)if("function"!=typeof r.value)s[t]=cloneValue(r.value);else if(e.hasOwnProperty?.(t))throw new Error(`LoopbackPort.postMessage - cannot clone: ${e[t]}`)}return s}(e)};this._deferred.then((()=>{for(const e of this._listeners)e.call(this,n)}))}addEventListener(e,t){this._listeners.push(t)}removeEventListener(e,t){const r=this._listeners.indexOf(t);this._listeners.splice(r,1)}terminate(){this._listeners.length=0}}exports.LoopbackPort=LoopbackPort;const PDFWorker=function PDFWorkerClosure(){const pdfWorkerPorts=new WeakMap;let isWorkerDisabled=!1,fallbackWorkerSrc,nextFakeWorkerId=0,fakeWorkerCapability;if(_is_node.isNodeJS&&"function"==typeof require){isWorkerDisabled=!0;fallbackWorkerSrc="./pdf.worker.js"}else if("object"==typeof document&&"currentScript"in document){const e=document.currentScript?.src;e&&(fallbackWorkerSrc=e.replace(/(\.(?:min\.)?js)(\?.*)?$/i,".worker$1$2"))}function getWorkerSrc(){if(_worker_options.GlobalWorkerOptions.workerSrc)return _worker_options.GlobalWorkerOptions.workerSrc;if(void 0!==fallbackWorkerSrc){_is_node.isNodeJS||(0,_display_utils.deprecated)('No "GlobalWorkerOptions.workerSrc" specified.');return fallbackWorkerSrc}throw new Error('No "GlobalWorkerOptions.workerSrc" specified.')}function getMainThreadWorkerMessageHandler(){let e;try{e=globalThis.pdfjsWorker?.WorkerMessageHandler}catch(e){}return e||null}function setupFakeWorkerGlobal(){if(fakeWorkerCapability)return fakeWorkerCapability.promise;fakeWorkerCapability=(0,_util.createPromiseCapability)();const loader=async function(){const mainWorkerMessageHandler=getMainThreadWorkerMessageHandler();if(mainWorkerMessageHandler)return mainWorkerMessageHandler;if(_is_node.isNodeJS&&"function"==typeof require){const worker=eval("require")(getWorkerSrc());return worker.WorkerMessageHandler}await(0,_display_utils.loadScript)(getWorkerSrc());return window.pdfjsWorker.WorkerMessageHandler};loader().then(fakeWorkerCapability.resolve,fakeWorkerCapability.reject);return fakeWorkerCapability.promise}function createCDNWrapper(e){const t="importScripts('"+e+"');";return URL.createObjectURL(new Blob([t]))}class PDFWorker{constructor({name:e=null,port:t=null,verbosity:r=(0,_util.getVerbosityLevel)()}={}){if(t&&pdfWorkerPorts.has(t))throw new Error("Cannot use more than one PDFWorker per port");this.name=e;this.destroyed=!1;this.postMessageTransfers=!0;this.verbosity=r;this._readyCapability=(0,_util.createPromiseCapability)();this._port=null;this._webWorker=null;this._messageHandler=null;if(t){pdfWorkerPorts.set(t,this);this._initializeFromPort(t)}else this._initialize()}get promise(){return this._readyCapability.promise}get port(){return this._port}get messageHandler(){return this._messageHandler}_initializeFromPort(e){this._port=e;this._messageHandler=new _message_handler.MessageHandler("main","worker",e);this._messageHandler.on("ready",(function(){}));this._readyCapability.resolve()}_initialize(){if("undefined"!=typeof Worker&&!isWorkerDisabled&&!getMainThreadWorkerMessageHandler()){let e=getWorkerSrc();try{(0,_util.isSameOrigin)(window.location.href,e)||(e=createCDNWrapper(new URL(e,window.location).href));const t=new Worker(e),r=new _message_handler.MessageHandler("main","worker",t),terminateEarly=()=>{t.removeEventListener("error",onWorkerError);r.destroy();t.terminate();this.destroyed?this._readyCapability.reject(new Error("Worker was destroyed")):this._setupFakeWorker()},onWorkerError=()=>{this._webWorker||terminateEarly()};t.addEventListener("error",onWorkerError);r.on("test",(e=>{t.removeEventListener("error",onWorkerError);if(this.destroyed)terminateEarly();else if(e){this._messageHandler=r;this._port=t;this._webWorker=t;e.supportTransfers||(this.postMessageTransfers=!1);this._readyCapability.resolve();r.send("configure",{verbosity:this.verbosity})}else{this._setupFakeWorker();r.destroy();t.terminate()}}));r.on("ready",(e=>{t.removeEventListener("error",onWorkerError);if(this.destroyed)terminateEarly();else try{sendTest()}catch(e){this._setupFakeWorker()}}));const sendTest=()=>{const e=new Uint8Array([this.postMessageTransfers?255:0]);try{r.send("test",e,[e.buffer])}catch(t){(0,_util.warn)("Cannot use postMessage transfers.");e[0]=0;r.send("test",e)}};sendTest();return}catch(e){(0,_util.info)("The worker has been disabled.")}}this._setupFakeWorker()}_setupFakeWorker(){if(!isWorkerDisabled){(0,_util.warn)("Setting up fake worker.");isWorkerDisabled=!0}setupFakeWorkerGlobal().then((e=>{if(this.destroyed){this._readyCapability.reject(new Error("Worker was destroyed"));return}const t=new LoopbackPort;this._port=t;const r="fake"+nextFakeWorkerId++,n=new _message_handler.MessageHandler(r+"_worker",r,t);e.setup(n,t);const s=new _message_handler.MessageHandler(r,r+"_worker",t);this._messageHandler=s;this._readyCapability.resolve();s.send("configure",{verbosity:this.verbosity})})).catch((e=>{this._readyCapability.reject(new Error(`Setting up fake worker failed: "${e.message}".`))}))}destroy(){this.destroyed=!0;if(this._webWorker){this._webWorker.terminate();this._webWorker=null}pdfWorkerPorts.delete(this._port);this._port=null;if(this._messageHandler){this._messageHandler.destroy();this._messageHandler=null}}static fromPort(e){if(!e||!e.port)throw new Error("PDFWorker.fromPort - invalid method signature.");return pdfWorkerPorts.has(e.port)?pdfWorkerPorts.get(e.port):new PDFWorker(e)}static getWorkerSrc(){return getWorkerSrc()}}return PDFWorker}();exports.PDFWorker=PDFWorker;class WorkerTransport{constructor(e,t,r,n){this.messageHandler=e;this.loadingTask=t;this.commonObjs=new PDFObjects;this.fontLoader=new _font_loader.FontLoader({docId:t.docId,onUnsupportedFeature:this._onUnsupportedFeature.bind(this),ownerDocument:n.ownerDocument});this._params=n;this.CMapReaderFactory=new n.CMapReaderFactory({baseUrl:n.cMapUrl,isCompressed:n.cMapPacked});this.destroyed=!1;this.destroyCapability=null;this._passwordCapability=null;this._networkStream=r;this._fullReader=null;this._lastProgress=null;this.pageCache=[];this.pagePromises=[];this.downloadInfoCapability=(0,_util.createPromiseCapability)();this.setupMessageHandler()}get loadingTaskSettled(){return this.loadingTask._capability.settled}destroy(){if(this.destroyCapability)return this.destroyCapability.promise;this.destroyed=!0;this.destroyCapability=(0,_util.createPromiseCapability)();this._passwordCapability&&this._passwordCapability.reject(new Error("Worker was destroyed during onPassword callback"));const e=[];this.pageCache.forEach((function(t){t&&e.push(t._destroy())}));this.pageCache.length=0;this.pagePromises.length=0;const t=this.messageHandler.sendWithPromise("Terminate",null);e.push(t);if(this.loadingTaskSettled){const t=this.loadingTask.promise.then((e=>{e.hasOwnProperty("annotationStorage")&&e.annotationStorage.resetModified()})).catch((()=>{}));e.push(t)}Promise.all(e).then((()=>{this.commonObjs.clear();this.fontLoader.clear();this._hasJSActionsPromise=null;this._networkStream&&this._networkStream.cancelAllRequests(new _util.AbortException("Worker was terminated."));if(this.messageHandler){this.messageHandler.destroy();this.messageHandler=null}this.destroyCapability.resolve()}),this.destroyCapability.reject);return this.destroyCapability.promise}setupMessageHandler(){const{messageHandler:e,loadingTask:t}=this;e.on("GetReader",((e,t)=>{(0,_util.assert)(this._networkStream,"GetReader - no `IPDFStream` instance available.");this._fullReader=this._networkStream.getFullReader();this._fullReader.onProgress=e=>{this._lastProgress={loaded:e.loaded,total:e.total}};t.onPull=()=>{this._fullReader.read().then((function({value:e,done:r}){if(r)t.close();else{(0,_util.assert)((0,_util.isArrayBuffer)(e),"GetReader - expected an ArrayBuffer.");t.enqueue(new Uint8Array(e),1,[e])}})).catch((e=>{t.error(e)}))};t.onCancel=e=>{this._fullReader.cancel(e);t.ready.catch((e=>{if(!this.destroyed)throw e}))}}));e.on("ReaderHeadersReady",(e=>{const r=(0,_util.createPromiseCapability)(),n=this._fullReader;n.headersReady.then((()=>{if(!n.isStreamingSupported||!n.isRangeSupported){this._lastProgress&&t.onProgress&&t.onProgress(this._lastProgress);n.onProgress=e=>{t.onProgress&&t.onProgress({loaded:e.loaded,total:e.total})}}r.resolve({isStreamingSupported:n.isStreamingSupported,isRangeSupported:n.isRangeSupported,contentLength:n.contentLength})}),r.reject);return r.promise}));e.on("GetRangeReader",((e,t)=>{(0,_util.assert)(this._networkStream,"GetRangeReader - no `IPDFStream` instance available.");const r=this._networkStream.getRangeReader(e.begin,e.end);if(r){t.onPull=()=>{r.read().then((function({value:e,done:r}){if(r)t.close();else{(0,_util.assert)((0,_util.isArrayBuffer)(e),"GetRangeReader - expected an ArrayBuffer.");t.enqueue(new Uint8Array(e),1,[e])}})).catch((e=>{t.error(e)}))};t.onCancel=e=>{r.cancel(e);t.ready.catch((e=>{if(!this.destroyed)throw e}))}}else t.close()}));e.on("GetDoc",(({pdfInfo:e})=>{this._numPages=e.numPages;t._capability.resolve(new PDFDocumentProxy(e,this))}));e.on("DocException",(function(e){let r;switch(e.name){case"PasswordException":r=new _util.PasswordException(e.message,e.code);break;case"InvalidPDFException":r=new _util.InvalidPDFException(e.message);break;case"MissingPDFException":r=new _util.Missi