react-pdf-js/dist/react-pdf-js.es.production.js

Simple React component to wrap up PDF.js. The easiest way to render PDFs in your React app.

import e from"@bundled-es-modules/pdfjs-dist/build/pdf";import t,{useRef as r,useEffect as o,useState as a,useMemo as c}from"react";const n=({file:e,onDocumentComplete:a,page:c,scale:n,rotate:s,cMapUrl:i,cMapPacked:d,workerSrc:p,withCredentials:h})=>{const u=r(null),[,w]=l({canvasEl:u,file:e,page:c,scale:n,rotate:s,cMapUrl:i,cMapPacked:d,workerSrc:p,withCredentials:h});return o(()=>{a(w)},[w]),t.createElement("canvas",{ref:u})};n.defaultProps={onDocumentComplete:()=>{}};const l=({canvasEl:t,file:r,scale:n=1,rotate:l=0,page:s=1,cMapUrl:i,cMapPacked:d,workerSrc:p="//cdnjs.cloudflare.com/ajax/libs/pdf.js/2.1.266/pdf.worker.js",withCredentials:h=!1})=>{const[u,w]=a();o(()=>{e.GlobalWorkerOptions.workerSrc=p},[]),o(()=>{const t={url:r,withCredentials:h};i&&(t.cMapUrl=i,t.cMapPacked=d),e.getDocument(t).promise.then(w)},[r,h]),o(()=>{u&&u.getPage(s).then(e=>f(e))},[u,s,n,l,t]);const f=e=>{const r=0===l?e.rotate:e.rotate+l;let o=1;o=window.devicePixelRatio;const a=n*o,c=e.getViewport({scale:a,rotation:r}),s=t.current;if(!s)return;const i=s.getContext("2d");s.style.width=`${c.width/o}px`,s.style.height=`${c.height/o}px`,s.height=c.height,s.width=c.width;const d={canvasContext:i,viewport:c};e.render(d)},m=c(()=>!u,[u]),g=c(()=>u?u._pdfInfo.numPages:null,[u]);return[m,g]};export default n;export{l as usePdf};
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