From d76a45a6aac0319ebdd5e31d4fb421778275977e Mon Sep 17 00:00:00 2001
From: TypeScript Bot <ts_bot@rcavanaugh.com>
Date: Tue, 25 Feb 2020 14:32:41 -0500
Subject: [PATCH] Cherry-pick PR #36993 into release-3.8 (#37020)

Component commits:
7721570861 Harden telemetryOnOpenFile

9535e7b258 Merge branch 'master' of https://github.com/RyanCavanaugh/TypeScript into fix36984

Co-authored-by: Ryan Cavanaugh <RyanCavanaugh@users.noreply.github.com>
---
 src/server/editorServices.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/server/editorServices.ts b/src/server/editorServices.ts
index 74108fa9bf558..e34aef3532946 100644
--- a/src/server/editorServices.ts
+++ b/src/server/editorServices.ts
@@ -3117,8 +3117,9 @@ namespace ts.server {
                 return;
             }
 
-            const info: OpenFileInfo = { checkJs: !!project.getSourceFile(scriptInfo.path)!.checkJsDirective };
-            this.eventHandler({ eventName: OpenFileInfoTelemetryEvent, data: { info } });
+            const sourceFile = project.getSourceFile(scriptInfo.path);
+            const checkJs = !!sourceFile && !!sourceFile.checkJsDirective;
+            this.eventHandler({ eventName: OpenFileInfoTelemetryEvent, data: { info: { checkJs } } });
         }
 
         /**