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// Table of contents
import * as fs from "fs";import { File, HeadingLevel, Packer, Paragraph, StyleLevel, TableOfContents } from "docx";
// WordprocessingML docs for TableOfContents can be found here:// http://officeopenxml.com/WPtableOfContents.php
// Let's define the properties for generate a TOC for heading 1-5 and MySpectacularStyle,// making the entries be hyperlinks for the paragraphconst doc = new File({    features: {        updateFields: true,    },    styles: {        paragraphStyles: [            {                id: "MySpectacularStyle",                name: "My Spectacular Style",                basedOn: "Heading1",                next: "Heading1",                quickFormat: true,                run: {                    italics: true,                    color: "990000",                },            },        ],    },    sections: [        {            children: [                new TableOfContents("Summary", {                    hyperlink: true,                    headingStyleRange: "1-5",                    stylesWithLevels: [new StyleLevel("MySpectacularStyle", 1)],                }),                new Paragraph({                    text: "Header #1",                    heading: HeadingLevel.HEADING_1,                    pageBreakBefore: true,                }),                new Paragraph("I'm a little text very nicely written.'"),                new Paragraph({                    text: "Header #2",                    heading: HeadingLevel.HEADING_1,                    pageBreakBefore: true,                }),                new Paragraph("I'm a other text very nicely written.'"),                new Paragraph({                    text: "Header #2.1",                    heading: HeadingLevel.HEADING_2,                }),                new Paragraph("I'm a another text very nicely written.'"),                new Paragraph({                    text: "My Spectacular Style #1",                    style: "MySpectacularStyle",                    pageBreakBefore: true,                }),            ],        },    ],});
Packer.toBuffer(doc).then((buffer) => {    fs.writeFileSync("My Document.docx", buffer);});