From dff1e17640e481e8242b44e86471549b2280e099 Mon Sep 17 00:00:00 2001
From: Giovanni Vinaccia <vinaccia.giovanni@gmail.com>
Date: Fri, 20 Sep 2019 23:50:09 +0200
Subject: [PATCH] fixes https://github.com/TypeStrong/ts-loader/issues/1014
 (#1015)

* fixes https://github.com/TypeStrong/ts-loader/issues/1014

* avoids processing definition files in getEmitOutput

* uses instance.compiler instead get Extension enum
---
 src/instances.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/instances.ts b/src/instances.ts
index 5c475238d..d7456727b 100644
--- a/src/instances.ts
+++ b/src/instances.ts
@@ -567,6 +567,9 @@ export function isReferencedFile(instance: TSInstance, filePath: string) {
 }
 
 export function getEmitOutput(instance: TSInstance, filePath: string) {
+  if (fileExtensionIs(filePath, instance.compiler.Extension.Dts)) {
+    return [];
+  }
   const program = ensureProgram(instance);
   if (program !== undefined) {
     const sourceFile = program.getSourceFile(filePath);