Add an outline to PDFs using JavaScript

1Webviewer(...).then(async instance => {
2  const { docViewer, PDFNet } = instance;
3  await PDFNet.initialize();
4
5  docViewer.on('documentLoaded', () => {
6    const doc = docViewer.getDocument();
7    const pdfDoc = await doc.getPDFDoc();
8
9    // create outline and add it to the first page
10    const myitem = await PDFNet.Bookmark.create(pdfDoc, 'My outline');
11    await myitem.setAction(await PDFNet.Action.createGoto(await PDFNet.Destination.createFit(await pdfDoc.getPage(1))));
12    await pdfDoc.addRootBookmark(myitem);
13
14    // refresh document outline
15    const bookmarks = await doc.getBookmarks();
16    instance.updateOutlines(bookmarks);
17  });
18});