diff --git a/src/domain/javascript/javascriptModuleInterop.ts b/src/domain/javascript/javascriptModuleInterop.ts
index d654b470e6..b24da41a12 100644
--- a/src/domain/javascript/javascriptModuleInterop.ts
+++ b/src/domain/javascript/javascriptModuleInterop.ts
@@ -10,7 +10,10 @@ import {
   type JavaScriptSemanticBindingState,
 } from "./javascriptSemanticState.js";
 import { semanticRequireOrigin } from "./javascriptSemanticRequireOrigin.js";
-import { childNodes } from "./javascriptSemanticTraversal.js";
+import {
+  childNodes,
+  javaScriptAstChildKeys,
+} from "./javascriptSemanticTraversal.js";
 import { electronMemberPath } from "./javascriptElectronMemberWrites.js";
 import { SemanticPropertyPathCoverage } from "./javascriptSemanticPropertyPaths.js";
 
@@ -431,7 +434,7 @@ const canonicalRoles = (
       roles.set(expected.name, binding);
       used.set(binding.bindingId, expected.name);
     }
-    const visitorKeys = t.VISITOR_KEYS[expected.type] ?? [];
+    const visitorKeys = javaScriptAstChildKeys(expected);
     for (const [key, field] of Object.entries(
       t.NODE_FIELDS[expected.type] ?? {},
     )) {
diff --git a/src/domain/javascript/javascriptSemanticTraversal.ts b/src/domain/javascript/javascriptSemanticTraversal.ts
index 16960ba8fe..e2e3512543 100644
--- a/src/domain/javascript/javascriptSemanticTraversal.ts
+++ b/src/domain/javascript/javascriptSemanticTraversal.ts
@@ -82,8 +82,7 @@ interface TraversalFrame {
  * not be reintroduced (they diverge on loc/comment fields and ordering).
  */
 export const childNodes = (node: t.Node): t.Node[] => {
-  const keys = t.VISITOR_KEYS[node.type];
-  if (keys === undefined) return [];
+  const keys = javaScriptAstChildKeys(node);
   const children: t.Node[] = [];
   for (const key of keys) {
     const value: unknown = Reflect.get(node, key);
@@ -98,3 +97,7 @@ export const childNodes = (node: t.Node): t.Node[] => {
   }
   return children;
 };
+
+/** Child-bearing fields; shared by traversal and structural AST comparison. */
+export const javaScriptAstChildKeys = (node: t.Node): readonly string[] =>
+  t.VISITOR_KEYS[node.type] ?? [];