https://localpdf.online/app/assets/index-BrCUuDJO.js

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8`).trim(),pageCount:i.numPages};return c.text.length>0?c:ce(e)}catch{return ce(e)}}async function Se(t){if(typeof createImageBitmap=="function")try{const e=await createImageBitmap(t),o={width:e.width,height:e.height};return e.close(),o}catch{return null}if(typeof Image<"u"&&typeof URL<"u"){const e=URL.createObjectURL(t);try{return await new Promise((r,n)=>{const a=new Image;a.onload=()=>r({width:a.naturalWidth,height:a.naturalHeight}),a.onerror=()=>n(new Error("Failed to decode image")),a.src=e})}catch{return null}finally{URL.revokeObjectURL(e)}}return null}async function le(t,e,o){const[r,n]=await Promise.all([Se(e),Se(o)]);if(!r||!n||r.width<=0||r.height<=0||r.width===n.width&&r.height===n.height)return t;const a=n.width/r.width,i=n.height/r.height;return t.map(s=>({...s,bbox:{x0:s.bbox.x0*a,y0:s.bbox.y0*i,x1:s.bbox.x1*a,y1:s.bbox.y1*i}}))}const St=["eng","rus","ukr","deu","fra","spa","ita","por","jpn","chi_sim","hin","ara"],ae="eng",Ct="eng",Lt=1.25,kt=2,Ce=78,Le=40,At=6,Et=5;async function ue(t,e){const o=new Blob([e],{type:"text/plain"});return(await t.write(o)).id}function Mt(t){return t==="fast"?Lt:kt}function J(t,e=!1){return t==="fast"?"none":e?"aggressive":"balanced"}function Rt(t){const e=(t??"").trim().toLowerCase();if(!e)return ae;const o=e.split("+").map(n=>n.trim()).filter(Boolean),r=Array.from(new Set(o)).filter(n=>St.includes(n));return r.length===0?ae:r.join("+")}function ke(t,e){const o=new Set(t.split("+").map(r=>r.trim()).filter(Boolean));return new RegExp("\\p{Script=Latin}","u").test(e)&&o.add("eng"),new RegExp("\\p{Script=Cyrillic}","u").test(e)&&o.add("rus"),new RegExp("\\p{Script=Hiragana}|\\p{Script=Katakana}","u").test(e)&&o.add("jpn"),new RegExp("\\p{Script=Han}","u").test(e)&&o.add("chi_sim"),new RegExp("\\p{Script=Devanagari}","u").test(e)&&o.add("hin"),Array.from(o).join("+")||ae}function Pt(t){const e=(t==null?void 0:t.languageMode)==="manual"?"manual":"auto",o=Rt(typeof(t==null?void 0:t.language)=="string"?t.language:ae),r=(t==null?void 0:t.outputFormat)==="json"?"json":(t==null?void 0:t.outputFormat)==="searchable-pdf"?"searchable-pdf":"txt",n=(t==null?void 0:t.mode)==="fast"?"fast":"accurate",a=(t==null?void 0:t.preserveFormatting)!==!1,i=(t==null?void 0:t.detectTables)===!0;return{languageMode:e,language:o,outputFormat:r,mode:n,preserveFormatting:a,detectTables:i}}function ne(t,e){return t.map(o=>{const r=e.detectTables?it(o.words):[],n=r.length>0?lt(r):"";return{text:e.detectTables&&n?e.preserveFormatting?[o.text.trim(),n].filter(Boolean).join(`
9
10`):[o.text.trim(),n.replace(/\|/g,"	").replace(/^\s*---.*$/gm,"").replace(/\n{3,}/g,`
11
12`).trim()].filter(Boolean).join(`
13
14`):o.text,words:o.words,tables:r}})}function T(t){const e=t.text.trim().length;return typeof t.confidence!="number"?e<Le:t.confidence<Ce?!0:t.confidence<Ce+5&&e<Le*2}function W(t){const e=typeof t.confidence=="number"?t.confidence:0,o=Math.min(t.text.trim().length/10,24),r=Math.min(t.words.length/6,16);return e+o+r}function Ft(t,e,o,r,n){const a=Math.max(0,Math.min(100,r)),i=Math.round((e+a/100)/o*100),s=Math.max(0,Math.min(100,i));t&&t(n?{progress:s,detail:n}:s)}const Bt=async({inputIds:t,options:e,fs:o,emitProgress:r})=>{var s,c,u,d;if(t.length===0)throw new Error("OCR PDF requires at least one input file");const n=Pt(e),a=[],i=await Ke();try{const g=async(l,f)=>{const y=await i.recognize(l,{language:f,detectLanguage:!0});return{text:y.text,confidence:y.confidence,usedLanguage:y.usedLanguage,languageFallbackUsed:y.languageFallbackUsed,words:y.words}};for(let l=0;l<t.length;l+=1){const f=(b,E)=>{Ft(r,l,t.length,b,E)};f(2);const y=await o.read(t[l]),h=await y.getBlob(),L=h.size,P=await y.getType();f(8);let p="";const x=n.languageMode==="manual"?n.language:Ct;let m=x,A=!1,k=!1,j=0;const O=[],K=new Set;let V=!1,D=v(""),G=[],U=[],oe=!1;if(P==="application/pdf"){const b=await xt(h),E=(b==null?void 0:b.text)??"",R=(E.match(new RegExp("\\p{L}","ug"))||[]).length,S=E.split(/\s+/).filter(Boolean).length;if(R>=100||R>=20&&S>=8)f(26),p=(b==null?void 0:b.text)??"",U=[{text:p,words:[],tables:[]}],D=v(p),oe=!0,f(78,{pageIndex:0,pageCount:1,completedPages:1,partialText:p,partialOutputId:await ue(o,p)});else{f(20),f(22);const C=await Ne();if(!C)throw new Y("OCR_PDF_RASTERIZER_MISSING","PDF OCR pipeline requires rasterizer integration (pdf.js -> image)");const N={scale:Mt(n.mode),imageFormat:"image/jpeg"},X=J(n.mode),F=[],Q=[],Z=[];let pe=!1,re=0;

14if(await C.forEachPage(h,N,async ee=>{const{pageIndex:w,pageCount:B,blob:H}=ee;f(24+w/Math.max(1,B)*14);const te=await q(H,X);Z.push(H),Q.push(te);let _;if(n.languageMode==="auto"&&!pe){const M=await g(te,x),se=v(M.text),I=ke(we(se),M.text);m=I,A=I!==x,pe=!0,_=I!==x?await g(te,I):M}else{const M=n.languageMode==="auto"?m:x;_=await g(te,M)}if(n.mode==="accurate"&&B>1&&T(_)&&re<At){const M=await q(H,J(n.mode,!0)),se=n.languageMode==="auto"?m:x,I=await g(M,se),Te=W(_);(W(I)>=Te+2||!T(I)&&T(_))&&(_=I,Q[Q.length-1]=M),k=!0,re+=1,j=re}F.push(_);const he=ne(F.map(M=>({text:M.text,words:M.words})),n).map(M=>M.text).join(`
15
16`),Fe=(w+1)%Et===0||w+1===B?await ue(o,he):void 0;f(38+(w+1)/Math.max(1,B)*50,{pageIndex:w,pageCount:B,completedPages:w+1,partialText:he,partialOutputId:Fe})})===0)p="";else{U=ne(F.map(w=>({text:w.text,words:w.words})),n),p=U.map(w=>w.text).join(`
17
18`);const ee=[];for(let w=0;w<Z.length;w+=1){const B=((s=F[w])==null?void 0:s.words)??[],H=await le(B,Q[w],Z[w]);ee.push({imageBlob:Z[w],words:H})}G=ee,D=v(p);for(const w of F)K.add(w.usedLanguage),typeof w.confidence=="number"&&O.push(w.confidence),V||(V=w.languageFallbackUsed)}}}else{const b=await q(h,J(n.mode)),E=h.type==="image/png"||h.type==="image/jpeg"||h.type==="image/jpg"?h:b;let R=b;if(f(24),n.languageMode==="auto"){const S=await g(b,x);f(48);const z=v(S.text);m=ke(we(z),S.text);let C=m!==x?await g(b,m):S;if(A=m!==x,n.mode==="accurate"&&T(C)){const X=await q(h,J(n.mode,!0)),F=await g(X,m);(W(F)>=W(C)+2||!T(F)&&T(C))&&(C=F,R=X),k=!0,j=1,f(72)}f(80),U=ne([{text:C.text,words:C.words}],n),p=((c=U[0])==null?void 0:c.text)??C.text;const N=await le(C.words,R,E);G=[{imageBlob:E,words:N}],D=v(p),K.add(C.usedLanguage),typeof C.confidence=="number"&&O.push(C.confidence),V=C.languageFallbackUsed}else{let S=await g(b,x);if(n.mode==="accurate"&&T(S)){const C=await q(h,J(n.mode,!0)),N=await g(C,x);(W(N)>=W(S)+2||!T(N)&&T(S))&&(S=N,R=C),k=!0,j=1,f(70)}f(80),U=ne([{text:S.text,words:S.words}],n),p=((u=U[0])==null?void 0:u.text)??S.text;const z=await le(S.words,R,E);G=[{imageBlob:E,words:z}],D=v(p),K.add(S.usedLanguage),typeof S.confidence=="number"&&O.push(S.confidence),V=S.languageFallbackUsed}f(88,{pageIndex:0,pageCount:1,completedPages:1,partialText:p,partialOutputId:await ue(o,p)})}const Ae=nt(p,D),Ee=O.length>0?Number((O.reduce((b,E)=>b+E,0)/O.length).toFixed(2)):null,me={sourceFileId:y.id,sourceMime:P,sourceBytes:L,ocr:{mode:n.mode,languageMode:n.languageMode,preserveFormatting:n.preserveFormatting,detectTables:n.detectTables,requestedLanguage:x,suggestedLanguagePack:n.languageMode==="auto"?m:null,autoSecondPassApplied:n.languageMode==="auto"?A:!1,lowConfidenceRetryApplied:k,lowConfidenceRetryCount:j,usedLanguages:Array.from(K),averageConfidence:Ee,languageFallbackUsed:V,usedEmbeddedText:oe},languageDetection:D,fontSupport:Ae,recognizedText:p,pages:U.map((b,E)=>({index:E,text:b.text,tables:b.tables.map(R=>({columns:R.columns,rows:R.rows.map(S=>S.cells.slice(0,R.columns).map(z=>z.text))}))}))},Me=new Blob([me.recognizedText],{type:"text/plain"}),Re=n.outputFormat==="searchable-pdf"?await(async()=>{if(oe&&P==="application/pdf")return h;if(G.length===0)throw new Error("Cannot create Searchable PDF: no page layers available from OCR");try{return await ft(G)}catch(b){throw new Error(`Failed to build Searchable PDF: ${b instanceof Error?b.message:"unknown error"}`)}})():n.outputFormat==="json"?new Blob([JSON.stringify(me,null,2)],{type:"application/json"}):Me;f(92);const Pe=await o.write(Re);a.push(Pe.id),f(100)}return{outputIds:a}}finally{await((d=i.terminate)==null?void 0:d.call(i))}};export{Bt as run};