docx-js/demo/demo27.ts

// Creates two paragraphs, one with a border and one without
// Import from 'docx' rather than '../build' if you install from npm
import * as fs from "fs";
import { File, Packer, Paragraph, TableOfContents } from "../build";

const doc = new File();

// WordprocessingML docs for TableOfContents can be found here:
// http://officeopenxml.com/WPtableOfContents.php
// Creates an table of contents with default properties
const toc = new TableOfContents();

// A TableOfContents must be added via File class.
doc.addTableOfContents(toc)

doc.addParagraph(new Paragraph("Header #1").heading1().pageBreakBefore());
doc.addParagraph(new Paragraph("I'm a little text very nicely written.'"));

doc.addParagraph(new Paragraph("Header #2").heading1().pageBreakBefore());
doc.addParagraph(new Paragraph("I'm a other text very nicely written.'"));
doc.addParagraph(new Paragraph("Header #2.1").heading2());
doc.addParagraph(new Paragraph("I'm a another text very nicely written.'"));

const packer = new Packer();

packer.toBuffer(doc).then((buffer) => {
    fs.writeFileSync("My Document.docx", buffer);
});