From e9688dd3fd582788d3ab0a2f48b13679b83dc645 Mon Sep 17 00:00:00 2001
From: Sheetal Nandi <shkamat@microsoft.com>
Date: Wed, 9 Sep 2015 16:46:39 -0700
Subject: [PATCH] Allow the js files to emit output

---
 src/compiler/utilities.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/compiler/utilities.ts b/src/compiler/utilities.ts
index 99ea06532a0..414a2649e56 100644
--- a/src/compiler/utilities.ts
+++ b/src/compiler/utilities.ts
@@ -1769,8 +1769,9 @@ namespace ts {
         if (!isDeclarationFile(sourceFile)) {
             if ((isExternalModule(sourceFile) || !(compilerOptions.outFile || compilerOptions.out))) {
                 // 1. in-browser single file compilation scenario
-                // 2. non .js file
-                return compilerOptions.isolatedModules || !fileExtensionIs(sourceFile.fileName, ".js");
+                // 2. non supported extension file
+                return compilerOptions.isolatedModules ||
+                    forEach(supportedExtensions, extension => fileExtensionIs(sourceFile.fileName, extension));
             }
             return false;
         }