Updated the files.

my-app/node_modules/domutils/lib/esm/helpers.d.ts

@@ -0,0 +1,59 @@
+import { AnyNode } from "domhandler";
+/**
+ * Given an array of nodes, remove any member that is contained by another
+ * member.
+ *
+ * @category Helpers
+ * @param nodes Nodes to filter.
+ * @returns Remaining nodes that aren't contained by other nodes.
+ */
+export declare function removeSubsets(nodes: AnyNode[]): AnyNode[];
+/**
+ * @category Helpers
+ * @see {@link http://dom.spec.whatwg.org/#dom-node-comparedocumentposition}
+ */
+export declare const enum DocumentPosition {
+    DISCONNECTED = 1,
+    PRECEDING = 2,
+    FOLLOWING = 4,
+    CONTAINS = 8,
+    CONTAINED_BY = 16
+}
+/**
+ * Compare the position of one node against another node in any other document,
+ * returning a bitmask with the values from {@link DocumentPosition}.
+ *
+ * Document order:
+ * > There is an ordering, document order, defined on all the nodes in the
+ * > document corresponding to the order in which the first character of the
+ * > XML representation of each node occurs in the XML representation of the
+ * > document after expansion of general entities. Thus, the document element
+ * > node will be the first node. Element nodes occur before their children.
+ * > Thus, document order orders element nodes in order of the occurrence of
+ * > their start-tag in the XML (after expansion of entities). The attribute
+ * > nodes of an element occur after the element and before its children. The
+ * > relative order of attribute nodes is implementation-dependent.
+ *
+ * Source:
+ * http://www.w3.org/TR/DOM-Level-3-Core/glossary.html#dt-document-order
+ *
+ * @category Helpers
+ * @param nodeA The first node to use in the comparison
+ * @param nodeB The second node to use in the comparison
+ * @returns A bitmask describing the input nodes' relative position.
+ *
+ * See http://dom.spec.whatwg.org/#dom-node-comparedocumentposition for
+ * a description of these values.
+ */
+export declare function compareDocumentPosition(nodeA: AnyNode, nodeB: AnyNode): number;
+/**
+ * Sort an array of nodes based on their relative position in the document,
+ * removing any duplicate nodes. If the array contains nodes that do not belong
+ * to the same document, sort order is unspecified.
+ *
+ * @category Helpers
+ * @param nodes Array of DOM nodes.
+ * @returns Collection of unique nodes, sorted in document order.
+ */
+export declare function uniqueSort<T extends AnyNode>(nodes: T[]): T[];
+//# sourceMappingURL=helpers.d.ts.map