From 153b94aeb4931437802d02e193be88f5240a1978 Mon Sep 17 00:00:00 2001
From: Arthur Ozga <arozga@microsoft.com>
Date: Wed, 16 Aug 2017 15:28:47 -0700
Subject: [PATCH] `JsxText` has no leading comments

---
 src/compiler/utilities.ts                     |  2 +-
 .../fourslash/isInMultiLineCommentJsxText.ts  | 27 +++++++++++++++++++
 2 files changed, 28 insertions(+), 1 deletion(-)
 create mode 100644 tests/cases/fourslash/isInMultiLineCommentJsxText.ts

diff --git a/src/compiler/utilities.ts b/src/compiler/utilities.ts
index 76d242e8b08..8c82b9d26df 100644
--- a/src/compiler/utilities.ts
+++ b/src/compiler/utilities.ts
@@ -635,7 +635,7 @@ namespace ts {
     }
 
     export function getLeadingCommentRangesOfNode(node: Node, sourceFileOfNode: SourceFile) {
-        return getLeadingCommentRanges(sourceFileOfNode.text, node.pos);
+        return node.kind !== SyntaxKind.JsxText ? getLeadingCommentRanges(sourceFileOfNode.text, node.pos) : undefined;
     }
 
     export function getLeadingCommentRangesOfNodeFromText(node: Node, text: string) {
diff --git a/tests/cases/fourslash/isInMultiLineCommentJsxText.ts b/tests/cases/fourslash/isInMultiLineCommentJsxText.ts
new file mode 100644
index 00000000000..db88f6b9a55
--- /dev/null
+++ b/tests/cases/fourslash/isInMultiLineCommentJsxText.ts
@@ -0,0 +1,27 @@
+/// <reference path="fourslash.ts" />
+
+// @Filename: file.jsx
+//// <div>
+//// // /*0*/
+//// /* /*1*/ */
+//// /**
+////  * /*2*/
+////  */
+//// foo() /* /*3*/ */
+//// // /*4*/
+//// /* /*5*/ */
+//// /**
+////  * /*6*/
+////  */
+//// </div>
+//// <div>
+//// // /*7*/
+//// /* /*8*/ */
+//// /**
+////  * /*9*/
+////  */
+
+for (let i = 0; i < 10; ++i) {
+    goTo.marker(i.toString());
+    verify.not.isInCommentAtPosition(/*onlyMultiLine*/ false);
+}