refactor(javascript): own property capture translation

src/domain/javascript/javascriptSemanticProjectedSources.ts

@@ -11,6 +11,7 @@ import { unwrapJavaScriptExpression } from "./javascriptAstValues.js";
 import {
   semanticObjectPropertyReferences,
   semanticArrayPropertyReferences,
+  type JavaScriptSemanticObjectReference,
 } from "./javascriptSemanticObjectReferences.js";
 import { SEMANTIC_ALIAS_SELECTION_LIMIT } from "./javascriptSemanticResourceLimits.js";
 import {
@@ -68,6 +69,27 @@ export const semanticShiftCapturedSelections = (
   return semanticNormalizeCapturedSelections(shifted);
 };
 
+/** Record an object/array property selected when a shallow copy was made. */
+export const semanticCapturedSelectionsAfterPropertyRead = (
+  selections: readonly SemanticCapturedSelection[] | undefined,
+  source: Pick<
+    JavaScriptSemanticObjectReference,
+    "path" | "capturedSelectionAt" | "ownEnumerable"
+  >,
+): readonly SemanticCapturedSelection[] => [
+  ...(semanticShiftCapturedSelections(selections, source.path.length - 1) ??
+    []),
+  ...(source.capturedSelectionAt === undefined
+    ? []
+    : [
+        {
+          at: source.capturedSelectionAt,
+          depth: source.path.length,
+          ...(source.ownEnumerable ? { ownEnumerable: true as const } : {}),
+        },
+      ]),
+];
+
 interface ProjectedSource {
   readonly node: t.Node;
   readonly path: SemanticAliasSelectionPath;