docx-js/src/file/paragraph/run/properties.ts

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

export class RunProperties extends IgnoreIfEmptyXmlComponent {
    constructor() {
        super("w:rPr");
    }

    public push(item: XmlComponent): void {
        this.root.push(item);
    }
}