From 795b3b8463715cda33da28c13b4bf6853134f92f Mon Sep 17 00:00:00 2001
From: GoalSmashers <jakub@goalsmashers.com>
Date: Mon, 27 May 2013 23:20:04 +0200
Subject: [PATCH] Fixes #107 - data URIs in imported stylesheets.

---
 lib/clean.js                | 2 +-
 test/data/partials/five.css | 1 +
 test/unit-test.js           | 4 ++++
 3 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 test/data/partials/five.css

diff --git a/lib/clean.js b/lib/clean.js
index e0cd5b62..d55930aa 100644
--- a/lib/clean.js
+++ b/lib/clean.js
@@ -432,7 +432,7 @@ var CleanCSS = {
 
       tempData.push(data.substring(cursor, nextStart));
       var url = data.substring(nextStart + 4, nextEnd).replace(/['"]/g, '');
-      if (url[0] != '/' && url.substring(url.length - 4) != '.css') {
+      if (url[0] != '/' && url.indexOf('data:') != 0 && url.substring(url.length - 4) != '.css') {
         url = path.relative(toBase, path.join(fromBase, url)).replace(/\\/g, '/');
       }
       tempData.push('url(' + url + ')');
diff --git a/test/data/partials/five.css b/test/data/partials/five.css
new file mode 100644
index 00000000..4ac4c027
--- /dev/null
+++ b/test/data/partials/five.css
@@ -0,0 +1 @@
+.five{background:url(data:image/jpeg;base64,/9j/)}
diff --git a/test/unit-test.js b/test/unit-test.js
index 99611cb2..b4605104 100644
--- a/test/unit-test.js
+++ b/test/unit-test.js
@@ -816,6 +816,10 @@ title']",
     'of a file with an absolute resource path': [
       "@import url(test/data/partials/four.css);",
       ".four{background-image:url(/partials/extra/down.gif)}",
+    ],
+    'of a file with a resource URI': [
+      "@import url(test/data/partials/five.css);",
+      ".five{background:url(data:image/jpeg;base64,/9j/)}"
     ]
   }),
   '@import with absolute paths': cssContext({
-- 
2.34.1