From 7f661f1e157a59022041a453195b75c5406e321d Mon Sep 17 00:00:00 2001
From: GoalSmashers <jakub@goalsmashers.com>
Date: Mon, 28 Jan 2013 17:41:18 +0100
Subject: [PATCH] Fixes #52 - stripping fraction zeros if not needed.

---
 lib/clean.js          |  5 +++++
 test/data/big-min.css |  4 ++--
 test/unit-test.js     | 21 +++++++++++++++++++++
 3 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/lib/clean.js b/lib/clean.js
index c0035f11..e0a3e1de 100644
--- a/lib/clean.js
+++ b/lib/clean.js
@@ -193,6 +193,11 @@ var CleanCSS = {
     replace(/(\s|:|,)0(?:px|em|ex|cm|mm|in|pt|pc|%)/g, '$1' + '0');
     replace(/rect\(0(?:px|em|ex|cm|mm|in|pt|pc|%)/g, 'rect(0');
 
+    // fraction zeros removal
+    replace(/\.([1-9]*)0+(\D)/g, function(match, nonZeroPart, suffix) {
+      return (nonZeroPart ? '.' : '') + nonZeroPart + suffix;
+    });
+
     // restore 0% in hsl/hsla
     replace(/(hsl|hsla)\(([^\)]+)\)/g, function(match, colorFunction, colorDef) {
       var tokens = colorDef.split(',');
diff --git a/test/data/big-min.css b/test/data/big-min.css
index dbf18681..55876d0c 100644
--- a/test/data/big-min.css
+++ b/test/data/big-min.css
@@ -187,7 +187,7 @@ body{font-size:1.3rem;font-size:13px;line-height:140%;font-family:arial,sans-ser
 a{color:#036;text-decoration:none;cursor:pointer}
 a:hover,a:focus,a:active,.lien_focus,.flashy{color:#129af0}
 .bg_fonce a{color:#129af0;opacity:.85}
-.bg_fonce a:hover,.bg_fonce a:focus{opacity:1.0}
+.bg_fonce a:hover,.bg_fonce a:focus{opacity:1}
 .obf{cursor:pointer;color:#036}
 .lien_interne,.lien_interne:hover{color:#000}
 p{margin:0}
@@ -754,7 +754,7 @@ img[height="97"]+.ico29x29{bottom:6%;left:3.5%}
 .conteneur_carrousel .repere:hover,.conteneur_carrousel .repere.actif{background-position:-11px -24px;cursor:pointer}
 .conteneur_carrousel img{display:block;border:0}
 .portfolio_appel_revolutionnaire.conteneur_carrousel .navigation .reperes,.portfolio_appel_revolutionnaire .portfolio_data_container h2{display:none}
-.portfolio_appel_revolutionnaire .portfolio_data_container{position:absolute;left:0;right:0;bottom:0;background:#000;background:rgba(0,0,0,.8);color:#fff;text-shadow:0 1px 0 #000;padding:16px;-ms-filter:"alpha(Opacity=0)";opacity:.0;-webkit-transition:opacity 1s;-moz-transition:opacity 1s;-o-transition:opacity 1s;transition:opacity 1s}
+.portfolio_appel_revolutionnaire .portfolio_data_container{position:absolute;left:0;right:0;bottom:0;background:#000;background:rgba(0,0,0,.8);color:#fff;text-shadow:0 1px 0 #000;padding:16px;-ms-filter:"alpha(Opacity=0)";opacity:0;-webkit-transition:opacity 1s;-moz-transition:opacity 1s;-o-transition:opacity 1s;transition:opacity 1s}
 .portfolio_appel_revolutionnaire .elt.shown .portfolio_data_container{-ms-filter:"alpha(Opacity=80)";opacity:.8}
 .portfolio_appel_revolutionnaire .portfolio_data_container .credits{opacity:.5;padding-left:4px}
 .portfolio_appel_revolutionnaire .carrousel .elt{width:644px;height:322px}
diff --git a/test/unit-test.js b/test/unit-test.js
index f8747661..edd77d6d 100644
--- a/test/unit-test.js
+++ b/test/unit-test.js
@@ -390,6 +390,27 @@ vows.describe('clean-units').addBatch({
     'not strips zero in fractions of numbers greater than zero': [
       'a{ margin-bottom: 20.5em}',
       'a{margin-bottom:20.5em}'
+    ],
+    'strip fraction zero #1': [
+      'a{opacity:1.0}',
+      'a{opacity:1}'
+    ],
+    'strip fraction zero #2': [
+      'a{opacity:15.000%}',
+      'a{opacity:15%}'
+    ],
+    'strip fraction zero #3': [
+      'a{padding:15.55000em}',
+      'a{padding:15.55em}'
+    ],
+    'strip fraction zero #4': 'a{padding:15.101em}',
+    'strip fraction zero #5': [
+      'a{border-width:0.20em 20.30em}',
+      'a{border-width:.2em 20.3em}'
+    ],
+    'strip fraction zeros': [
+      'div{margin:1.000em 2.00em 3.100em 4.01em}',
+      'div{margin:1em 2em 3.1em 4.01em}'
     ]
   }),
   'colors': cssContext({
-- 
2.34.1