Download View only PDF File from Google Drive(Load The FIle Completely Before you console this)!!

download-google-drive-pdf.js

let jspdf = document.createElement("script");

jspdf.onload = function () {

      let pdf = new jsPDF();
      let elements = document.getElementsByTagName("img");
      for (let i in elements) {
              let img = elements[i];
              console.log("add img ", img);
              if (!/^blob:/.test(img.src)) {
                      console.log("invalid src");
                      continue;
              }
              let can = document.createElement('canvas');
              let con = can.getContext("2d");
              can.width = img.width;
              can.height = img.height;
              con.drawImage(img, 0, 0, img.width, img.height);
              let imgData = can.toDataURL("image/jpeg", 1.0);
              pdf.addImage(imgData, 'JPEG', 0, 0);
              pdf.addPage();
      }

      pdf.save("download.pdf");
};

jspdf.src = 'https://cdnjs.cloudflare.com/ajax/libs/jspdf/1.5.3/jspdf.debug.js';
document.body.appendChild(jspdf);