From 458880b5ad4d7f5c22e52ca60abbf57b0f208cd2 Mon Sep 17 00:00:00 2001
From: simonihmig <ihmig@kaliber5.de>
Date: Thu, 10 Aug 2017 23:02:37 +0200
Subject: [PATCH] [BUGFIX beta] Include missing sourcemaps in vendorTree

Fixes #15464
---
 index.js | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/index.js b/index.js
index 1775fb35a4a..d86151eb8d0 100644
--- a/index.js
+++ b/index.js
@@ -58,11 +58,18 @@ module.exports = {
       'ember.debug.js',
       'ember.min.js',
       'ember.prod.js'
-    ].filter(function(file) {
-      var fullPath = path.join(__dirname, 'dist', file);
+    ]
+      .map(function(file) {
+        return [file, file.replace('.js', '.map')];
+      })
+      .reduce(function(flat, jsAndMap) {
+        return flat.concat(jsAndMap);
+      }, [])
+      .filter(function(file) {
+        var fullPath = path.join(__dirname, 'dist', file);
 
-      return fs.existsSync(fullPath);
-    });
+        return fs.existsSync(fullPath);
+      });
 
     var ember = new Funnel(__dirname + '/dist', {
       destDir: 'ember',