From b399ce8c8dd267e454563cdb599cd6068c58bffc Mon Sep 17 00:00:00 2001
From: Johannes Rieken <jrieken@microsoft.com>
Date: Tue, 6 Jan 2015 15:55:02 +0100
Subject: [PATCH] extract no extension but non ts extensions allowed into its
 own clause. make boolean expression more natural to read

---
 src/compiler/parser.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/compiler/parser.ts b/src/compiler/parser.ts
index 543c036d5cb..e4e9d12ead3 100644
--- a/src/compiler/parser.ts
+++ b/src/compiler/parser.ts
@@ -5231,7 +5231,10 @@ module ts {
                 }
             }
             else {
-                if (!((options.allowNonTsExtensions && findSourceFile(filename, isDefaultLib, refFile, refPos, refEnd)) || findSourceFile(filename + ".ts", isDefaultLib, refFile, refPos, refEnd) || findSourceFile(filename + ".d.ts", isDefaultLib, refFile, refPos, refEnd))) {
+                if(options.allowNonTsExtensions && !findSourceFile(filename, isDefaultLib, refFile, refPos, refEnd)) {
+                    diagnostic = Diagnostics.File_0_not_found;
+                }
+                else if (!findSourceFile(filename + ".ts", isDefaultLib, refFile, refPos, refEnd) && !findSourceFile(filename + ".d.ts", isDefaultLib, refFile, refPos, refEnd)) {
                     diagnostic = Diagnostics.File_0_not_found;
                     filename += ".ts";
                 }