From 15130d5fa2b00b5ffb3393c824d32cbcfac0b858 Mon Sep 17 00:00:00 2001
From: Rafael Oleza <rafeca@fb.com>
Date: Fri, 29 Sep 2017 05:38:15 -0700
Subject: [PATCH] Add Source Map support to e2e deltas in chrome debugger

Reviewed By: jeanlauliac

Differential Revision: D5917380

fbshipit-source-id: 31391bc03c420b8e7af5c840fbea2fb0dd5f7bbc
---
 local-cli/server/util/debugger-ui/deltaUrlToBlobUrl.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/local-cli/server/util/debugger-ui/deltaUrlToBlobUrl.js b/local-cli/server/util/debugger-ui/deltaUrlToBlobUrl.js
index e57b7e42fc..5a206ce228 100644
--- a/local-cli/server/util/debugger-ui/deltaUrlToBlobUrl.js
+++ b/local-cli/server/util/debugger-ui/deltaUrlToBlobUrl.js
@@ -49,7 +49,11 @@
       URL.revokeObjectURL(cachedBundle.url);
     }
 
-    const blobContent = deltaPatcher.getAllModules();
+    // To make Source Maps work correctly, we need to add a newline between
+    // modules.
+    const blobContent = deltaPatcher
+      .getAllModules()
+      .map(module => module + '\n');
 
     // Build the blob with the whole JS bundle.
     const blob = new Blob(blobContent, {