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// Page numbers - Start from 0 on a new section
import * as fs from "fs";import { AlignmentType, Document, Header, Packer, PageBreak, PageNumber, PageNumberSeparator, Paragraph, TextRun } from "docx";
const doc = new Document({    sections: [        {            headers: {                default: new Header({                    children: [                        new Paragraph({                            alignment: AlignmentType.RIGHT,                            children: [                                new TextRun("My Title "),                                new TextRun({                                    children: ["Page ", PageNumber.CURRENT],                                }),                            ],                        }),                    ],                }),                first: new Header({                    children: [                        new Paragraph({                            alignment: AlignmentType.RIGHT,                            children: [                                new TextRun("First Page Header "),                                new TextRun({                                    children: ["Page ", PageNumber.CURRENT],                                }),                            ],                        }),                    ],                }),            },            children: [                new Paragraph({                    children: [new TextRun("First Page"), new PageBreak()],                }),                new Paragraph("Second Page"),            ],        },        {            properties: {                page: {                    pageNumbers: {                        start: 1,                        separator: PageNumberSeparator.EM_DASH,                    },                },            },            headers: {                default: new Header({                    children: [                        new Paragraph({                            alignment: AlignmentType.RIGHT,                            children: [                                new TextRun("My Title "),                                new TextRun({                                    children: ["Page ", PageNumber.CURRENT],                                }),                            ],                        }),                    ],                }),                first: new Header({                    children: [                        new Paragraph({                            alignment: AlignmentType.RIGHT,                            children: [                                new TextRun("First Page Header of Second section"),                                new TextRun({                                    children: ["Page ", PageNumber.CURRENT],                                }),                            ],                        }),                    ],                }),            },            children: [                new Paragraph({                    children: [new TextRun("Third Page"), new PageBreak()],                }),                new Paragraph("Fourth Page"),            ],        },    ],});
Packer.toBuffer(doc).then((buffer) => {    fs.writeFileSync("My Document.docx", buffer);});