@recogito/recogito-react-pdf/public/pdf.worker.js

A React component for annotating PDF, powered by PDF.js and RecogitoJS

/*! For license information please see pdf.worker.js.LICENSE.txt */
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r=e();e=null,t=Object.create(null);for(let e=0,a=r.length;e<a;e+=2)t[r[e]]=r[e+1];r=null}return t}},t.getInheritableProperty=c,t.getLookupTableFactory=function(e){let t;return function(){return e&&(t=Object.create(null),e(t),e=null),t}},t.isWhiteSpace=function(e){return 32===e||9===e||13===e||10===e},t.log2=function(e){return e<=0?0:Math.ceil(Math.log2(e))},t.parseXFAPath=function(e){const t=/(.+)\[([0-9]+)\]$/;return e.split(".").map((e=>{const r=e.match(t);return r?{name:r[1],pos:parseInt(r[2],10)}:{name:e,pos:0}}))},t.readInt8=function(e,t){return e[t]<<24>>24},t.readUint16=function(e,t){return e[t]<<8|e[t+1]},t.readUint32=function(e,t){return(e[t]<<24|e[t+1]<<16|e[t+2]<<8|e[t+3])>>>0},t.toRomanNumerals=function(e,t=!1){(0,a.assert)(Number.isInteger(e)&&e>0,"The number should be a positive integer.");const r=[];let n;for(;e>=1e3;)e-=1e3,r.push("M");n=e/100|0,e%=100,r.push(l[n]),n=e/10|0,e%=10,r.push(l[10+n]),r.push(l[20+e]);const i=r.join("");return t?i.toLowerCase():i},t.validateCSSFont=function(e){const t=new Set(["100","200","300","400","500","600","700","800","900","1000","normal","bold","bolder","lighter"]),{fontFamily:r,fontWeight:n,italicAngle:i}=e;if(/^".*"$/.test(r)){if(/[^\\]"/.test(r.slice(1,r.length-1)))return(0,a.warn)(`XFA - FontFamily contains some unescaped ": ${r}.`),!1}else if(/^'.*'$/.test(r)){if(/[^\\]'/.test(r.slice(1,r.length-1)))return(0,a.warn)(`XFA - FontFamily contains some unescaped ': ${r}.`),!1}else for(const e of r.split(/[ \t]+/))if(/^([0-9]|(-([0-9]|-)))/.test(e)||!/^[a-zA-Z0-9\-_\\]+$/.test(e))return(0,a.warn)(`XFA - FontFamily contains some invalid <custom-ident>: ${r}.`),!1;const s=n?n.toString():"";e.fontWeight=t.has(s)?s:"400";const o=parseFloat(i);return e.italicAngle=isNaN(o)||o<-90||o>90?"14":i.toString(),!0},t.XRefParseException=t.XRefEntryException=t.MissingDataException=void 0;var a=r(2),n=r(5);class i extends a.BaseException{constructor(e,t){super(`Missing data [${e}, ${t})`),this.begin=e,this.end=t}}t.MissingDataException=i;class s extends a.BaseException{}t.XRefEntryException=s;class o extends a.BaseException{}function c({dict:e,key:t,getArray:r=!1,stopWhenFound:a=!0}){let i;const s=new n.RefSet;for(;e instanceof n.Dict&&(!e.objId||!s.has(e.objId));){e.objId&&s.put(e.objId);const n=r?e.getArray(t):e.get(t);if(void 0!==n){if(a)return n;i||(i=[]),i.push(n)}e=e.get("Parent")}return i}t.XRefParseException=o;const l=["","C","CC","CCC","CD","D","DC","DCC","DCCC","CM","","X","XX","XXX","XL","L","LX","LXX","LXXX","XC","","I","II","III","IV","V","VI","VII","VIII","IX"];function h(e,t,r,i){if(!e)return;let s=null;if((0,n.isRef)(e)){if(i.has(e))return;s=e,i.put(s),e=t.fetch(e)}if(Array.isArray(e))for(const a of e)h(a,t,r,i);else if(e instanceof n.Dict){if((0,n.isName)(e.get("S"),"JavaScript")&&e.has("JS")){const t=e.get("JS");let i;i=(0,n.isStream)(t)?t.getString():t,i=(0,a.stringToPDFString)(i),i&&r.push(i)}h(e.getRaw("Next"),t,r,i)}s&&i.remove(s)}const u={60:"&lt;",62:"&gt;",38:"&amp;",34:"&quot;",39:"&apos;"}},(e,t,r)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.StringStream=t.Stream=t.NullStream=void 0;var a=r(6),n=r(2);class i extends a.BaseStream{constructor(e,t,r,a){super(),this.bytes=e instanceof Uint8Array?e:new Uint8Array(e),this.start=t||0,this.pos=this.start,this.end=t+r||this.bytes.length,this.dict=a}get length(){return this.end-this.start}get isEmpty(){return 0===this.length}getByte(){return this.pos>=this.end?-1:this.bytes[this.pos++]}getBytes(e,t=!1){const r=this.bytes,a=this.pos,n=this.end;if(!e){const e=r.subarray(a,n);return t?new Uint8ClampedArray(e):e}let i=a+e;i>n&&(i=n),this.pos=i;const s=r.subarray(a,i);return t?new Uint8ClampedArray(s):s}getByteRange(e,t){return e<0&&(e=0),t>this.end&&(t=this.end),this.bytes.subarray(e,t)}reset(){this.pos=this.start}moveStart(){this.start=this.pos}makeSubStream(e,t,r=null){return new i(this.bytes.buffer,e,t,r)}}t.Stream=i,t.StringStream=class extends i{constructor(e){super((0,n.stringToBytes)(e))}},t.NullStream=class extends i{constructor(){super(new Uint8Array(0))}}},(e,t,r)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.PDFDocument=t.Page=void 0;var a=r(2),n=r(5),i=r(9),s=r(10),o=r(12),c=r(6),l=r(65),h=r(57),u=r(17),d=r(63),f=r(55),g=r(15),p=r(19),m=r(62),b=r(67),y=r(88);const w=[0,0,612,792];class S{constructor({pdfManager:e,xref:t,pageIndex:r,pageDict:a,ref:n,globalIdFactory:i,fontCache:s,builtInCMapCache:o,globalImageCache:c,nonBlendModesSet:l,xfaFactory:h}){this.pdfManager=e,this.pageIndex=r,this.pageDict=a,this.xref=t,this.ref=n,this.fontCache=s,this.builtInCMapCache=o,this.globalImageCache=c,this.nonBlendModesSet=l,this.evaluatorOptions=e.evaluatorOptions,this.resourcesPromise=null,this.xfaFactory=h;const u={obj:0};this._localIdFactory=class extends i{static createObjId(){return`p${r}_${++u.obj}`}static getPageObjId(){return`page${n.toString()}`}}}_getInheritableProperty(e,t=!1){const r=(0,i.getInheritableProperty)({dict:this.pageDict,key:e,getArray:t,stopWhenFound:!1});return Array.isArray(r)?1!==r.length&&(0,n.isDict)(r[0])?n.Dict.merge({xref:this.xref,dictArray:r}):r[0]:r}get content(){return this.pageDict.getArray("Contents")}get resources(){return(0,a.shadow)(this,"resources",this._getInheritableProperty("Resources")||n.Dict.empty)}_getBoundingBox(e){if(this.xfaData){const{width:e,height:t}=this.xfaData.attributes.style;return[0,0,parseInt(e),parseInt(t)]}const t=this._getInheritableProperty(e,!0);if(Array.isArray(t)&&4===t.length){if(t[2]-t[0]!=0&&t[3]-t[1]!=0)return t;(0,a.warn)(`Empty /${e} entry.`)}return null}get mediaBox(){return(0,a.shadow)(this,"mediaBox",this._getBoundingBox("MediaBox")||w)}get cropBox(){return(0,a.shadow)(this,"cropBox",this._getBoundingBox("CropBox")||this.mediaBox)}get userUnit(){let e=this.pageDict.get("UserUnit");return(!(0,a.isNum)(e)||e<=0)&&(e=1),(0,a.shadow)(this,"userUnit",e)}get view(){const{cropBox:e,mediaBox:t}=this;let r;if(e===t||(0,a.isArrayEqual)(e,t))r=t;else{const n=a.Util.intersect(e,t);n&&n[2]-n[0]!=0&&n[3]-n[1]!=0?r=n:(0,a.warn)("Empty /CropBox and /MediaBox intersection.")}return(0,a.shadow)(this,"view",r||t)}get rotate(){let e=this._getInheritableProperty("Rotate")||0;return e%90!=0?e=0:e>=360?e%=360:e<0&&(e=(e%360+360)%360),(0,a.shadow)(this,"rotate",e)}getContentStream(){return this.pdfManager.ensure(this,"content").then((e=>e instanceof c.BaseStream?e:Array.isArray(e)?new p.StreamsSequenceStream(e):new s.NullStream))}get xfaData(){return this.xfaFactory?(0,a.shadow)(this,"xfaData",this.xfaFactory.getPage(this.pageIndex)):(0,a.shadow)(this,"xfaData",null)}save(e,t,r){const n=new g.PartialEvaluator({xref:this.xref,handler:e,pageIndex:this.pageIndex,idFactory:this._localIdFactory,fontCache:this.fontCache,builtInCMapCache:this.builtInCMapCache,globalImageCache:this.globalImageCache,options:this.evaluatorOptions});return this._parsedAnnotations.then((function(e){const i=[];for(const s of e)s.mustBePrinted(r)&&i.push(s.save(n,t,r).catch((function(e){return(0,a.warn)(`save - ignoring annotation data during "${t.name}" task: "${e}".`),null})));return Promise.all(i)}))}loadResources(e){return this.resourcesPromise||(this.resourcesPromise=this.pdfManager.ensure(this,"resources")),this.resourcesPromise.then((()=>new d.ObjectLoader(this.resources,e,this.xref).load()))}getOperatorList({handler:e,sink:t,task:r,intent:n,renderInteractiveForms:i,annotationStorage:s}){const o=this.getContentStream(),c=this.loadResources(["ColorSpace","ExtGState","Font","Pattern","Properties","Shading","XObject"]),l=new g.PartialEvaluator({xref:this.xref,handler:e,pageIndex:this.pageIndex,idFactory:this._localIdFactory,fontCache:this.fontCache,builtInCMapCache:this.builtInCMapCache,globalImageCache:this.globalImageCache,options:this.evaluatorOptions}),h=Promise.all([o,c]).then((([a])=>{const i=new f.OperatorList(n,t);return e.send("StartRenderPage",{transparency:l.hasBlendModes(this.resources,this.nonBlendModesSet),pageIndex:this.pageIndex,intent:n}),l.getOperatorList({stream:a,task:r,resources:this.resources,operatorList:i}).then((function(){return i}))}));return Promise.all([h,this._parsedAnnotations]).then((function([e,t]){if(0===t.length)return e.flush(!0),{length:e.totalLength};const o=[];for(const e of t)("display"===n&&e.mustBeViewed(s)||"print"===n&&e.mustBePrinted(s))&&o.push(e.getOperatorList(l,r,i,s).catch((function(e){return(0,a.warn)(`getOperatorList - ignoring annotation data during "${r.name}" task: "${e}".`),null})));return Promise.all(o).then((function(t){e.addOp(a.OPS.beginAnnotations,[]);for(const r of t)e.addOpList(r);return e.addOp(a.OPS.endAnnotations,[]),e.flush(!0),{length:e.totalLength}}))}))}extractTextContent({handler:e,task:t,normalizeWhitespace:r,includeMarkedContent:a,sink:n,combineTextItems:i}){const s=this.getContentStream(),o=this.loadResources(["ExtGState","Font","Properties","XObject"]);return Promise.all([s,o]).then((([s])=>new g.PartialEvaluator({xref:this.xref,handler:e,pageIndex:this.pageIndex,idFactory:this._localIdFactory,fontCache:this.fontCache,builtInCMapCache:this.builtInCMapCache,globalImageCache:this.globalImageCache,options:this.evaluatorOptions}).getTextContent({stream:s,task:t,resources:this.resources,normalizeWhitespace:r,includeMarkedContent:a,combineTextItems:i,sink:n})))}async getStructTree(){const e=await this.pdfManager.ensureCatalog("structTreeRoot");return e?(await this.pdfManager.ensure(this,"_parseStructTree",[e])).serializable:null}_parseStructTree(e){const t=new m.StructTreePage(e,this.pageDict);return t.parse(),t}getAnnotationsData(e){return this._parsedAnnotations.then((function(t){const r=[];for(let a=0,n=t.length;a<n;a++)(!e||"display"===e&&t[a].viewable||"print"===e&&t[a].printable)&&r.push(t[a].data);return r}))}get annotations(){const e=this._getInheritableProperty("Annots");return(0,a.shadow)(this,"annotations",Array.isArray(e)?e:[])}get _parsedAnnotations(){const e=this.pdfManager.ensure(this,"