From a37d8735d7aa234eaf9a254600ac7e3286f438e3 Mon Sep 17 00:00:00 2001
From: Tadeu Zagallo <tadeuzagallo@fb.com>
Date: Mon, 5 Oct 2015 08:45:43 -0700
Subject: [PATCH] Fix minified source maps
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Summary: @​public

The source maps generated by uglify are already stringified, and therefore were
being stringified twice.

Reviewed By: @martinbigio

Differential Revision: D2498242
---
 react-packager/src/Server/index.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/react-packager/src/Server/index.js b/react-packager/src/Server/index.js
index 74e83927..4fd0be57 100644
--- a/react-packager/src/Server/index.js
+++ b/react-packager/src/Server/index.js
@@ -361,9 +361,14 @@ class Server {
           res.end(bundleSource);
           Activity.endEvent(startReqEventId);
         } else if (requestType === 'map') {
-          var sourceMap = JSON.stringify(p.getSourceMap({
+          var sourceMap = p.getSourceMap({
             minify: options.minify,
-          }));
+          });
+
+          if (typeof sourceMap !== 'string') {
+            sourceMap = JSON.stringify(sourceMap);
+          }
+
           res.setHeader('Content-Type', 'application/json');
           res.end(sourceMap);
           Activity.endEvent(startReqEventId);