chore: get rid of an instanceof (#19448)

We shouldn't be doing this, ever. ---- *By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*
aws · Mar 18, 2022 · 6b0cacd · 6b0cacd
1 parent a257846
commit 6b0cacd
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/packages/@aws-cdk/core/lib/stack-synthesizers/_shared.ts b/packages/@aws-cdk/core/lib/stack-synthesizers/_shared.ts
@@ -95,7 +95,7 @@ function collectStackMetadata(stack: Stack) {
   }
 
   function findParentStack(node: IConstruct): Stack | undefined {
-    if (node instanceof Stack && node.nestedStackParent === undefined) {
+    if (Stack.isStack(node) && node.nestedStackParent === undefined) {
       return node;
     }
 
@@ -183,4 +183,4 @@ export function stackTemplateFileAsset(stack: Stack, session: ISynthesisSession)
     packaging: FileAssetPackaging.FILE,
     sourceHash,
   };
-}
+}