From 8002473ea6e2b8db285f529237120e055a408485 Mon Sep 17 00:00:00 2001
From: Sheetal Nandi <shkamat@microsoft.com>
Date: Fri, 10 Jul 2020 13:39:09 -0700
Subject: [PATCH] Add ClassExpression, FunctionExpression and ArrowFunction to
 check for cancellation token from classifier (#39557)

Fixes #35364
---
 src/services/classifier.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/services/classifier.ts b/src/services/classifier.ts
index d10f67e0e94..9211578341d 100644
--- a/src/services/classifier.ts
+++ b/src/services/classifier.ts
@@ -472,6 +472,9 @@ namespace ts {
             case SyntaxKind.ClassDeclaration:
             case SyntaxKind.InterfaceDeclaration:
             case SyntaxKind.FunctionDeclaration:
+            case SyntaxKind.ClassExpression:
+            case SyntaxKind.FunctionExpression:
+            case SyntaxKind.ArrowFunction:
                 cancellationToken.throwIfCancellationRequested();
         }
     }