From 5c5b5e9a3b3b22dd26ee08d9d670ef826dc13454 Mon Sep 17 00:00:00 2001
From: Andy Hanson <anhans@microsoft.com>
Date: Thu, 11 May 2017 09:06:01 -0700
Subject: [PATCH] Fail on bad moduleResolution kind

---
 src/compiler/moduleNameResolver.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/compiler/moduleNameResolver.ts b/src/compiler/moduleNameResolver.ts
index f984c12fb68..acf01bac905 100644
--- a/src/compiler/moduleNameResolver.ts
+++ b/src/compiler/moduleNameResolver.ts
@@ -442,6 +442,8 @@ namespace ts {
                 case ModuleResolutionKind.Classic:
                     result = classicNameResolver(moduleName, containingFile, compilerOptions, host, cache);
                     break;
+                default:
+                    Debug.fail(`Unexpected moduleResolution: ${moduleResolution}`);
             }
 
             if (perFolderCache) {