How to render whole pdf document using pdf.js library?

Question

I tried rendering PDF document using pdf.js library. I know only basics in javascript and I am new to promises, so at first I followed advice on this page: Render .pdf to si

Answer 1

The pdfjs-dist library contains parts for building PDF viewer. You can use PDFPageView to render all pages. Based on https://github.com/mozilla/pdf.js/blob/master/examples/components/pageviewer.html :

var url = "https://cdn.mozilla.net/pdfjs/tracemonkey.pdf";
var container = document.getElementById('container');
// Load document
PDFJS.getDocument(url).then(function (doc) {
  var promise = Promise.resolve();
  for (var i = 0; i < doc.numPages; i++) {
    // One-by-one load pages
    promise = promise.then(function (id) {
      return doc.getPage(id + 1).then(function (pdfPage) {
// Add div with page view.
var SCALE = 1.0; 
var pdfPageView = new PDFJS.PDFPageView({
      container: container,
      id: id,
      scale: SCALE,
      defaultViewport: pdfPage.getViewport(SCALE),
      // We can enable text/annotations layers, if needed
      textLayerFactory: new PDFJS.DefaultTextLayerFactory(),
      annotationLayerFactory: new PDFJS.DefaultAnnotationLayerFactory()
    });
    // Associates the actual page with the view, and drawing it
    pdfPageView.setPdfPage(pdfPage);
    return pdfPageView.draw();        
      });
    }.bind(null, i));
  }
  return promise;
});

#container > *:not(:first-child) {
  border-top: solid 1px black; 
}

See also How to display whole PDF (not only one page) with PDF.JS?