From 0487b38d06593b06fa30555c3dcf888063ad7369 Mon Sep 17 00:00:00 2001
From: Kunal Desai <kunaljaydesai@users.noreply.github.com>
Date: Mon, 12 Apr 2021 03:43:47 -0700
Subject: [PATCH] Catch hover on as const (#43588)

* Catch hover on as const

* Update test based on feedback
---
 src/services/services.ts                                | 2 +-
 tests/cases/fourslash/quickInfoForConstTypeReference.ts | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 tests/cases/fourslash/quickInfoForConstTypeReference.ts

diff --git a/src/services/services.ts b/src/services/services.ts
index bd5ba0421c27b..160c97e81e1e3 100644
--- a/src/services/services.ts
+++ b/src/services/services.ts
@@ -1670,7 +1670,7 @@ namespace ts {
         function shouldGetType(sourceFile: SourceFile, node: Node, position: number): boolean {
             switch (node.kind) {
                 case SyntaxKind.Identifier:
-                    return !isLabelName(node) && !isTagName(node);
+                    return !isLabelName(node) && !isTagName(node) && !isConstTypeReference(node.parent);
                 case SyntaxKind.PropertyAccessExpression:
                 case SyntaxKind.QualifiedName:
                     // Don't return quickInfo if inside the comment in `a/**/.b`
diff --git a/tests/cases/fourslash/quickInfoForConstTypeReference.ts b/tests/cases/fourslash/quickInfoForConstTypeReference.ts
new file mode 100644
index 0000000000000..4eb405bdc90e0
--- /dev/null
+++ b/tests/cases/fourslash/quickInfoForConstTypeReference.ts
@@ -0,0 +1,5 @@
+/// <reference path="fourslash.ts" />
+
+////"" as /**/const;
+
+verify.not.quickInfoExists();
\ No newline at end of file