docx-js/demo/55-math.ts

// Simple example to add text to a document
// Import from 'docx' rather than '../build' if you install from npm
import * as fs from "fs";
import {
    Document,
    Math,
    MathAngledBrackets,
    MathCurlyBrackets,
    MathFraction,
    MathFunction,
    MathPreSubSuperScript,
    MathRadical,
    MathRoundBrackets,
    MathRun,
    MathSquareBrackets,
    MathSubScript,
    MathSubSuperScript,
    MathSum,
    MathSuperScript,
    Packer,
    Paragraph,
    TextRun,
} from "../build";

const doc = new Document();

doc.addSection({
    properties: {},
    children: [
        new Paragraph({
            children: [
                new Math({
                    children: [
                        new MathRun("2+2"),
                        new MathFraction({
                            numerator: [new MathRun("hi")],
                            denominator: [new MathRun("2")],
                        }),
                    ],
                }),
                new TextRun({
                    text: "Foo Bar",
                    bold: true,
                }),
            ],
        }),
        new Paragraph({
            children: [
                new Math({
                    children: [
                        new MathFraction({
                            numerator: [
                                new MathRun("1"),
                                new MathRadical({
                                    children: [new MathRun("2")],
                                }),
                            ],
                            denominator: [new MathRun("2")],
                        }),
                    ],
                }),
            ],
        }),
        new Paragraph({
            children: [
                new Math({
                    children: [
                        new MathSum({
                            children: [new MathRun("test")],
                        }),
                        new MathSum({
                            children: [
                                new MathSuperScript({
                                    children: [new MathRun("e")],
                                    superScript: [new MathRun("2")],
                                }),
                            ],
                            subScript: [new MathRun("i")],
                        }),
                        new MathSum({
                            children: [
                                new MathRadical({
                                    children: [new MathRun("i")],
                                }),
                            ],
                            subScript: [new MathRun("i")],
                            superScript: [new MathRun("10")],
                        }),
                    ],
                }),
            ],
        }),
        new Paragraph({
            children: [
                new Math({
                    children: [
                        new MathSuperScript({
                            children: [new MathRun("test")],
                            superScript: [new MathRun("hello")],
                        }),
                    ],
                }),
            ],
        }),
        new Paragraph({
            children: [
                new Math({
                    children: [
                        new MathSubScript({
                            children: [new MathRun("test")],
                            subScript: [new MathRun("hello")],
                        }),
                    ],
                }),
            ],
        }),
        new Paragraph({
            children: [
                new Math({
                    children: [
                        new MathSubScript({
                            children: [new MathRun("x")],
                            subScript: [
                                new MathSuperScript({
                                    children: [new MathRun("y")],
                                    superScript: [new MathRun("2")],
                                }),
                            ],
                        }),
                    ],
                }),
            ],
        }),
        new Paragraph({
            children: [
                new Math({
                    children: [
                        new MathSubSuperScript({
                            children: [new MathRun("test")],
                            superScript: [new MathRun("hello")],
                            subScript: [new MathRun("world")],
                        }),
                    ],
                }),
            ],
        }),
        new Paragraph({
            children: [
                new Math({
                    children: [
                        new MathPreSubSuperScript({
                            children: [new MathRun("test")],
                            superScript: [new MathRun("hello")],
                            subScript: [new MathRun("world")],
                        }),
                    ],
                }),
            ],
        }),
        new Paragraph({
            children: [
                new Math({
                    children: [
                        new MathSubScript({
                            children: [
                                new MathFraction({
                                    numerator: [new MathRun("1")],
                                    denominator: [new MathRun("2")],
                                }),
                            ],
                            subScript: [new MathRun("4")],
                        }),
                    ],
                }),
            ],
        }),
        new Paragraph({
            children: [
                new Math({
                    children: [
                        new MathSubScript({
                            children: [
                                new MathRadical({
                                    children: [
                                        new MathFraction({
                                            numerator: [new MathRun("1")],
                                            denominator: [new MathRun("2")],
                                        }),
                                    ],
                                    degree: [new MathRun("4")],
                                }),
                            ],
                            subScript: [new MathRun("x")],
                        }),
                    ],
                }),
            ],
        }),
        new Paragraph({
            children: [
                new Math({
                    children: [
                        new MathRadical({
                            children: [new MathRun("4")],
                        }),
                    ],
                }),
            ],
        }),
        new Paragraph({
            children: [
                new Math({
                    children: [
                        new MathFunction({
                            name: [
                                new MathSuperScript({
                                    children: [new MathRun("cos")],
                                    superScript: [new MathRun("-1")],
                                }),
                            ],
                            children: [new MathRun("100")],
                        }),
                        new MathRun("×"),
                        new MathFunction({
                            name: [new MathRun("sin")],
                            children: [new MathRun("360")],
                        }),
                        new MathRun("= x"),
                    ],
                }),
            ],
        }),
        new Paragraph({
            children: [
                new Math({
                    children: [
                        new MathRoundBrackets({
                            children: [
                                new MathFraction({
                                    numerator: [new MathRun("1")],
                                    denominator: [new MathRun("2")],
                                }),
                            ],
                        }),
                        new MathSquareBrackets({
                            children: [
                                new MathFraction({
                                    numerator: [new MathRun("1")],
                                    denominator: [new MathRun("2")],
                                }),
                            ],
                        }),
                        new MathCurlyBrackets({
                            children: [
                                new MathFraction({
                                    numerator: [new MathRun("1")],
                                    denominator: [new MathRun("2")],
                                }),
                            ],
                        }),
                        new MathAngledBrackets({
                            children: [
                                new MathFraction({
                                    numerator: [new MathRun("1")],
                                    denominator: [new MathRun("2")],
                                }),
                            ],
                        }),
                    ],
                }),
            ],
        }),
        new Paragraph({
            children: [
                new Math({
                    children: [
                        new MathFraction({
                            numerator: [
                                new MathRadical({
                                    children: [new MathRun("4")],
                                }),
                            ],
                            denominator: [new MathRun("2a")],
                        }),
                    ],
                }),
            ],
        }),
    ],
});

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