docx-js/src/file/paragraph/formatting/style.ts

import { Attributes, XmlComponent } from "@file/xml-components";

export const HeadingLevel = {
    HEADING_1: "Heading1",
    HEADING_2: "Heading2",
    HEADING_3: "Heading3",
    HEADING_4: "Heading4",
    HEADING_5: "Heading5",
    HEADING_6: "Heading6",
    TITLE: "Title",
} as const;

export class Style extends XmlComponent {
    public constructor(styleId: string) {
        super("w:pStyle");
        this.root.push(
            new Attributes({
                val: styleId,
            }),
        );
    }
}