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node_modules/runed/dist/internal/utils/dom.js

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+import { defaultDocument } from "../configurable-globals.js";
+/**
+ * Handles getting the active element in a document or shadow root.
+ * If the active element is within a shadow root, it will traverse the shadow root
+ * to find the active element.
+ * If not, it will return the active element in the document.
+ *
+ * @param document A document or shadow root to get the active element from.
+ * @returns The active element in the document or shadow root.
+ */
+export function getActiveElement(document) {
+    let activeElement = document.activeElement;
+    while (activeElement?.shadowRoot) {
+        const node = activeElement.shadowRoot.activeElement;
+        if (node === activeElement)
+            break;
+        else
+            activeElement = node;
+    }
+    return activeElement;
+}
+/**
+ * Returns the owner document of a given element.
+ *
+ * @param node The element to get the owner document from.
+ * @returns
+ */
+export function getOwnerDocument(node, fallback = defaultDocument) {
+    return node?.ownerDocument ?? fallback;
+}
+/**
+ * Checks if an element is or is contained by another element.
+ *
+ * @param node The element to check if it or its descendants contain the target element.
+ * @param target The element to check if it is contained by the node.
+ * @returns
+ */
+export function isOrContainsTarget(node, target) {
+    return node === target || node.contains(target);
+}