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

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

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