From 08b754a7e14e6eba9bb443ddb6e3c3604057adbd Mon Sep 17 00:00:00 2001
From: Vladimir Matveev <vladima@microsoft.com>
Date: Tue, 19 Apr 2016 10:34:34 -0700
Subject: [PATCH] switch from LS.getSourceFile to Program.getSourceFile

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

diff --git a/src/builder.ts b/src/builder.ts
index 4a7816e..eb777a4 100644
--- a/src/builder.ts
+++ b/src/builder.ts
@@ -297,7 +297,7 @@ export function createTypeScriptBuilder(config: IConfiguration, compilerOptions:
                     while (filesWithChangedSignature.length) {
                         let fileName = filesWithChangedSignature.pop();
 
-                        if (!isExternalModule(service.getSourceFile(fileName))) {
+                        if (!isExternalModule(service.getProgram().getSourceFile(fileName))) {
                              _log('[check semantics*]', fileName + ' is an internal module and it has changed shape -> check whatever hasn\'t been checked yet');
                             toBeCheckedSemantically.push(...host.getScriptFileNames());
                             filesWithChangedSignature.length = 0;