22 lines
1.0 MiB
JavaScript
22 lines
1.0 MiB
JavaScript
|
/**
|
||
|
|
* @licstart The following is the entire license notice for the
|
||
|
|
* JavaScript code in this page
|
||
|
|
*
|
||
|
|
* Copyright 2023 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
|
||
|
|
*/
|
||
|
|
!function webpackUniversalModuleDefinition(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define("pdfjs-dist/build/pdf.worker",[],t):"object"==typeof exports?exports["pdfjs-dist/build/pdf.worker"]=t():e["pdfjs-dist/build/pdf.worker"]=e.pdfjsWorker=t()}(globalThis,(()=>(()=>{"use strict";var e=[,(e,t,a)=>{Object.defineProperty(t,"__esModule",{value:!0});t.WorkerTask=t.WorkerMessageHandler=void 0;var r=a(2),n=a(3),i=a(4),s=a(6),o=a(69),c=a(63),l=a(100),h=a(101),u=a(102);class WorkerTask{constructor(e){this.name=e;this.terminated=!1;this._capability=(0,r.createPromiseCapability)()}get finished(){return this._capability.promise}finish(){this._capability.resolve()}terminate(){this.terminated=!0}ensureNotTerminated(){if(this.terminated)throw new Error("Worker task was terminated")}}t.WorkerTask=WorkerTask;class WorkerMessageHandler{static setup(e,t){let a=!1;e.on("test",(function(t){if(!a){a=!0;e.send("test",t instanceof Uint8Array)}}));e.on("configure",(function(e){(0,r.setVerbosityLevel)(e.verbosity)}));e.on("GetDocRequest",(function(e){return WorkerMessageHandler.createDocumentHandler(e,t)}))}static createDocumentHandler(e,t){let a,d=!1,f=null;const g=new Set,p=(0,r.getVerbosityLevel)(),{docId:m,apiVersion:b}=e,y="3.4.120";if(b!==y)throw new Error(`The API version "${b}" does not match the Worker version "${y}".`);const w=[];for(const e in[])w.push(e);if(w.length)throw new Error("The `Array.prototype` contains unexpected enumerable properties: "+w.join(", ")+"; thus breaking e.g. `for...in` iteration of `Array`s.");if("undefined"==typeof ReadableStream){const e="The browser/environment lacks native support for critical functionality used by the PDF.js library (e.g. `ReadableStream`); ";if(l.isNodeJS)throw new Error(e+"please use a `legacy`-build instead.");throw new Error(e+"please update to a supported browser.")}const S=m+"_worker";let x=new h.MessageHandler(S,m,t);function ensureNotTerminated(){if(d)throw new Error("Worker was terminated")}function startWorkerTask(e){g.add(e)}function finishWorkerTask(e){e.finish();g.delete(e)}async function loadDocument(e){await a.ensureDoc("checkHeader");await a.ensureDoc("parseStartXRef");await a.ensureDoc("parse",[e]);await a.ensureDoc("checkFirstPage",[e]);await a.ensureDoc("checkLastPage",[e]);const t=await a.ensureDoc("isPureXfa");if(t){const e=new WorkerTask("loadXfaFonts");startWorkerTask(e);await Promise.all([a.loadXfaFonts(x,e).catch((e=>{})).then((()=>finishWorkerTask(e))),a.loadXfaImages()])}const[r,n]=await Promise.all([a.ensureDoc("numPages"),a.ensureDoc("fingerprints")]);return{numPages:r,fingerprints:n,htmlForXfa:t?await a.ensureDoc("htmlForXfa"):null}}function getPdfManager({data:e,password:t,disableAutoFetch:a,rangeChunkSize:i,length:o,docBaseUrl:c,enableXfa:l,evaluatorOptions:h}){const d={source:null,disableAutoFetch:a,docBaseUrl:c,docId:m,enableXfa:l,evaluatorOptions:h,handler:x,length:o,password:t,rangeChunkSize:i},g=(0,r.createPromiseCapability)();let p;if(e){try{d.source=e;p=new s.LocalPdfManager(d);g.resolve(p)}catch(e){g.reject(e)}return g.promise}let b,y=[];try{b=new u.PDFWorkerStream(x)}catch(e){g.reject(e);return g.promise}const w=b.getFullReader();w.headersReady.then((function(){if(w.isRangeSupported){d.source=b;d.length=w.contentLength;d.disableAutoFetch=d.disableAutoFetch||w.isStreamingSupported;p=new s.NetworkPdfManager(d);for(const e of y)p.sendProgressiveData(e);y=[];g.resolve(p);f=null}})).catch((function(e){g.reject(e);f=null}));let S=0;new Promise((function(e,t){const readChunk=function({value:e,done:a}){try{ensureNotTerminated();if(a){p||function(){const e=(0,n.arrayBuffersToBytes)(y);o&&e.length!==o&&(0,r.warn)("reported HTTP length is different from actual");try{d.source=e;p=new s.LocalPdfManager(d);g.resolve(p)}catch(e){g.reject(e)}y=[]}();f=null;return}S+=e.byteLength;w.isStreamingSupported||x.send("DocProgress",{loaded:S,total:Math.max(S,w.contentLength||0)});p?p.sendProgressiveData(e):y.push(e);w.read().then(readChunk,t)}catch(e){t(e)}};w.read().then(readChunk,t)})).catch((funct
|