prevent a crash when ClassType.name is undefined

rokucommunity · Sep 30, 2024 · 9cec80a · 9cec80a
1 parent 356b8f6
commit 9cec80a
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/src/util.spec.ts b/src/util.spec.ts
@@ -1256,4 +1256,10 @@ describe('util', () => {
             );
         });
     });
+
+    describe('isClassUsedAsFunction', () => {
+        it('does not crash when class type has no name', () => {
+            util.isClassUsedAsFunction(new ClassType(undefined), undefined, { flags: SymbolTypeFlag.runtime });
+        });
+    });
 });
diff --git a/src/util.ts b/src/util.ts
@@ -2378,8 +2378,8 @@ export class Util {
         if ((options?.flags ?? 0) & SymbolTypeFlag.runtime &&
             isClassType(potentialClassType) &&
             !options.isExistenceTest &&
-            potentialClassType.name.toLowerCase() === this.getAllDottedGetPartsAsString(expression).toLowerCase() &&
-            !expression.findAncestor(isNewExpression)) {
+            potentialClassType.name?.toLowerCase() === this.getAllDottedGetPartsAsString(expression)?.toLowerCase() &&
+            !expression?.findAncestor(isNewExpression)) {
             return true;
         }
         return false;