Compare changes in semantic categories, such as headers, paragraphs, numbers, and generate a document with a summary of differences for easy review.

const wvElement = document.getElementById('viewer');
WebViewer({
  fullAPI: true,
}, document.getElementById('viewer'))
.then(async instance => {
  const { documentViewer, PDFNet } = instance.Core;

  await PDFNet.initialize();

  const newDoc = await PDFNet.PDFDoc.create();
  await newDoc.lock();

  const doc1 = await PDFNet.PDFDoc.createFromURL('./files/semantic_test_doc_1.pdf');
  const doc2 = await PDFNet.PDFDoc.createFromURL('./files/semantic_test_doc_2.pdf');
  await newDoc.appendTextDiffDoc(doc1, doc2);

  await newDoc.unlock();

  instance.UI.loadDocument(newDoc);

  // wait until the document has been loaded
  documentViewer.addEventListener('documentLoaded', () => {
    instance.UI.setLayoutMode(instance.UI.LayoutMode.FacingContinuous);
  });
});