fix: null dereference that crashes file view

center-for-threat-informed-defense · Feb 2, 2024 · 9fdacf6 · 9fdacf6
1 parent 001db5d
commit 9fdacf6
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/mappings_editor/src/assets/scripts/MappingFileEditor/MappingFileView/MappingFileView.ts b/src/mappings_editor/src/assets/scripts/MappingFileEditor/MappingFileView/MappingFileView.ts
@@ -428,7 +428,11 @@ export class MappingFileView {
             prop instanceof ListItemProperty ||
             prop instanceof ComputedProperty
         ) {
-            return control.isShown(prop.value.toString());
+            if(prop.value === null) {
+                return control.isShown(prop.value);
+            } else {
+                return control.isShown(`${ prop.value }`)
+            }
         }
         throw new Error(
             `Cannot dereference value from '${ prop.constructor.name }'.`