From d78ae20e64a6449b63ac86c225f0fe7faae353bd Mon Sep 17 00:00:00 2001
From: Richard van Velzen <rvanvelzen1@gmail.com>
Date: Mon, 26 Jan 2015 12:07:44 +0100
Subject: Make empty source map values more reasonable in .minify()

`"null"` isn't a very usable value. `JSON.parse(null)` also gives `null`, which makes this fully backwards compatible.

Closes #616
---
 tools/node.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'tools')

diff --git a/tools/node.js b/tools/node.js
index 4bc8517b..1ae69da8 100644
--- a/tools/node.js
+++ b/tools/node.js
@@ -133,9 +133,14 @@ exports.minify = function(files, options) {
         stream += "\n//# sourceMappingURL=" + options.outSourceMap;
     }
 
+    var source_map = output.source_map;
+    if (source_map) {
+        source_map = source_map + "";
+    }
+
     return {
         code : stream + "",
-        map  : output.source_map + ""
+        map  : source_map
     };
 };
 
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