From 45f9370997ec353f81fb4312a57410e53174e156 Mon Sep 17 00:00:00 2001
From: Benjamin Lichtman <belichtm@microsoft.com>
Date: Fri, 1 Jun 2018 14:11:45 -0700
Subject: [PATCH] Handle installed package missing from registry

---
 src/services/jsTyping.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/services/jsTyping.ts b/src/services/jsTyping.ts
index 539099510f1..ee757a0ca28 100644
--- a/src/services/jsTyping.ts
+++ b/src/services/jsTyping.ts
@@ -160,7 +160,7 @@ namespace ts.JsTyping {
         }
         // Add the cached typing locations for inferred typings that are already installed
         packageNameToTypingLocation.forEach((typing, name) => {
-            if (inferredTypings.has(name) && inferredTypings.get(name) === undefined && isTypingUpToDate(typing, typesRegistry.get(name)!)) {
+            if (inferredTypings.has(name) && inferredTypings.get(name) === undefined && typesRegistry.has(name) && isTypingUpToDate(typing, typesRegistry.get(name)!)) {
                 inferredTypings.set(name, typing.typingLocation);
             }
         });