From 68aad1b85e57f48b34ab2add6d5424dc17fa355a Mon Sep 17 00:00:00 2001
From: uniqueiniquity <blichtman623@gmail.com>
Date: Tue, 16 Jan 2018 09:50:14 -0800
Subject: [PATCH] Normalize triple slash reference paths at resolve time

---
 src/compiler/program.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/compiler/program.ts b/src/compiler/program.ts
index 0d1bbf233a3..8f3cadcddc5 100755
--- a/src/compiler/program.ts
+++ b/src/compiler/program.ts
@@ -15,7 +15,8 @@ namespace ts {
 
     export function resolveTripleslashReference(moduleName: string, containingFile: string): string {
         const basePath = getDirectoryPath(containingFile);
-        const referencedFileName = isRootedDiskPath(moduleName) ? moduleName : combinePaths(basePath, moduleName);
+        const normalizedModuleName = normalizePath(moduleName);
+        const referencedFileName = isRootedDiskPath(normalizedModuleName) ? normalizedModuleName : combinePaths(basePath, normalizedModuleName);
         return normalizePath(referencedFileName);
     }