improve fix using nullish coalescing

webcomponents · Jul 29, 2022 · 332b4fe · 332b4fe
1 parent dbe886b
commit 332b4fe
Showing 1 changed file with 1 addition and 5 deletions.
diff --git a/packages/custom-elements/ts_src/Patch/Node.ts b/packages/custom-elements/ts_src/Patch/Node.ts
@@ -92,14 +92,10 @@ export default function (internals: CustomElementInternals) {
 
   Node.prototype.cloneNode = function (this: Node, deep) {
     const clone = Native.Node_cloneNode.call(this, !!deep);
-    // document.ownerDocument is null
-    const registry = this.ownerDocument
-      ? this.ownerDocument!.__CE_registry
-      : (this as Document).__CE_registry;
 
     // Only create custom elements if this element's owner document is
     // associated with the registry.
-    if (!registry) {
+    if (!(this.ownerDocument ?? this).__CE_registry) {
       internals.patchTree(clone);
     } else {
       internals.patchAndUpgradeTree(clone);