From df9cd399c0bd25f6597f36c13bbd3a530c08a93b Mon Sep 17 00:00:00 2001
From: Roman Dvornov <rdvornov@gmail.com>
Date: Thu, 24 Mar 2016 21:57:43 +0300
Subject: [PATCH] bump csso to 1.8.0 and use minifyBlock for style attribute
 content compression

---
 package.json            |  2 +-
 plugins/minifyStyles.js | 31 ++-----------------------------
 2 files changed, 3 insertions(+), 30 deletions(-)

diff --git a/package.json b/package.json
index c4bd2c38..47ccb85d 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
     "colors": "~1.1.2",
     "whet.extend": "~0.9.9",
     "mkdirp": "~0.5.1",
-    "csso": "~1.6.4"
+    "csso": "~1.8.0"
   },
   "devDependencies": {
     "mocha": "~2.4.5",
diff --git a/plugins/minifyStyles.js b/plugins/minifyStyles.js
index 9698dbeb..da5b1cb0 100755
--- a/plugins/minifyStyles.js
+++ b/plugins/minifyStyles.js
@@ -12,25 +12,6 @@ exports.description = 'minifies existing styles in svg';
 
 var csso = require('csso');
 
-
-// wraps css rules into a selector to make it parseable
-var rulesToDummySelector = function(str) {
-    return '.dummy { ' + str + ' }';
-};
-
-// helper to extract css rules from full css selector
-var extractRuleCss = function(str) {
-    var strEx = str.match(/\.dummy{(.*)}/i)[1];
-    return strEx;
-};
-
-// minifies css using csso
-var minifyCss = function(css, options) {
-    return csso.minify(css, options);
-};
-
-
-
 /**
  * Minifies styles (<style> element + style attribute) using svgo
  *
@@ -46,7 +27,7 @@ exports.fn = function(item, svgoOptions) {
             var styleCss = item.content[0].text || item.content[0].cdata || [],
                 DATA = styleCss.indexOf('>') >= 0 || styleCss.indexOf('<') >= 0 ? 'cdata' : 'text';
             if(styleCss.length > 0) {
-                var styleCssMinified = minifyCss(styleCss, svgoOptions);
+                var styleCssMinified = csso.minify(styleCss, svgoOptions);
                 item.content[0][DATA] = styleCssMinified;
             }
       }
@@ -54,15 +35,7 @@ exports.fn = function(item, svgoOptions) {
       if(item.hasAttr('style')) {
           var itemCss = item.attr('style').value;
           if(itemCss.length > 0) {
-              var itemCssMinified =
-                  extractRuleCss(
-                      minifyCss(
-                          rulesToDummySelector(
-                              itemCss
-                          ),
-                          svgoOptions
-                      )
-                  );
+              var itemCssMinified = csso.minifyBlock(itemCss, svgoOptions);
               item.attr('style').value = itemCssMinified;
           }
       }