From ae1b7f810d2f661216bf7485aef67569e12e872d Mon Sep 17 00:00:00 2001
From: Dmitrii Sorin <dsorin@atlassian.com>
Date: Mon, 19 Jun 2017 23:22:49 +1000
Subject: [PATCH] Check map file exists as well as compile JS target files,
 closes #362

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

diff --git a/src/index.ts b/src/index.ts
index 138441ba7..74799689b 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -482,7 +482,7 @@ function readThrough (
     cache.sourceMaps[fileName] = sourceMapPath
 
     // Use the cache when available.
-    if (fileExists(outputPath)) {
+    if (fileExists(outputPath) && fileExists(sourceMapPath)) {
       return getFile(outputPath)
     }