docxml/esm/src/utilities/changes.js

TypeScript (component) library for building and parsing a DOCX file

import { QNS } from './namespaces.js';
import { evaluateXPathToMap } from './xquery.js';
/**
 * Parses common change tracking information from a given node.
 *
 * For convenience the node is "optional", in the sense that TS will not complain when passing in
 * the result of a query (which may or may not be strictly a node). If no node is passed, the
 * function will throw. Only use this function if you're already certain you have a change tracking
 * node.
 */
export function getChangeInformation(node) {
    if (!node) {
        throw new Error(`Unexpectedly missing node with change information.`);
    }
    const props = evaluateXPathToMap(`
			map {
				"id": ./@${QNS.w}id/number(),
				"author": ./@${QNS.w}author/string(),
				"date": ./@${QNS.w}date/string()
			}
		`, node);
    return {
        ...props,
        date: new Date(props.date),
    };
}