From 512a49be81f7303b67618888fd34ea399232cd32 Mon Sep 17 00:00:00 2001
From: Sheetal Nandi <shkamat@microsoft.com>
Date: Tue, 14 Aug 2018 12:14:22 -0700
Subject: [PATCH] Return the nonrecursive directory watcher correctly on
 platforms that dont support recrusive directory watching Fixes #26288

---
 src/compiler/sys.ts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/compiler/sys.ts b/src/compiler/sys.ts
index 8f6a58a356..eaa910a0b5 100644
--- a/src/compiler/sys.ts
+++ b/src/compiler/sys.ts
@@ -756,8 +756,7 @@ namespace ts {
                     if (recursive) {
                         return watchDirectoryRecursively(directoryName, callback);
                     }
-                    watchDirectory(directoryName, callback);
-                    return undefined!; // TODO: GH#18217
+                    return watchDirectory(directoryName, callback);
                 };
             }