From e826399460de62f32beac87d95c57cfddd467dc9 Mon Sep 17 00:00:00 2001
From: Jakub Pawlowicz <jakub@goalsmashers.com>
Date: Thu, 19 Dec 2013 15:32:44 +0100
Subject: [PATCH] On par with clean-css 2.0.4.

* Adds normalization to HSL color space.
---
 clean-css.js        | 18 ++++++++++++++++--
 test/binary-test.js |  2 +-
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/clean-css.js b/clean-css.js
index 9d7876f..858a83a 100644
--- a/clean-css.js
+++ b/clean-css.js
@@ -10,7 +10,7 @@ var options = {
 };
 var cleanOptions = {};
 var fromStdin = !process.env['__DIRECT__'] && !process.stdin.isTTY;
-var version = '2.0.3';
+var version = '2.0.4';
 
 // Arguments parsing (to drop optimist dependency)
 var argv = process.argv.slice(2);
@@ -139,8 +139,22 @@ function ColorHSLToHex(data) {
   var hslToRgb = function(h, s, l) {
     var r, g, b;
 
+    // normalize hue orientation b/w 0 and 360 degrees
+    h = h % 360;
+    if (h < 0)
+      h += 360;
     h = ~~h / 360;
+
+    if (s < 0)
+      s = 0;
+    else if (s > 100)
+      s = 100;
     s = ~~s / 100;
+
+    if (l < 0)
+      l = 0;
+    else if (l > 100)
+      l = 100;
     l = ~~l / 100;
 
     if (s === 0) {
@@ -169,7 +183,7 @@ function ColorHSLToHex(data) {
 
   return {
     process: function() {
-      return data.replace(/hsl\((\d+),(\d+)%?,(\d+)%?\)/g, function(match, hue, saturation, lightness) {
+      return data.replace(/hsl\((-?\d+),(-?\d+)%?,(-?\d+)%?\)/g, function(match, hue, saturation, lightness) {
         var asRgb = hslToRgb(hue, saturation, lightness);
         var redAsHex = asRgb[0].toString(16);
         var greenAsHex = asRgb[1].toString(16);
diff --git a/test/binary-test.js b/test/binary-test.js
index f1b99d0..57d5ffd 100644
--- a/test/binary-test.js
+++ b/test/binary-test.js
@@ -49,7 +49,7 @@ exports.commandsSuite = vows.describe('binary commands').addBatch({
   }),
   'version': binaryContext('-v', {
     'should output help': function(error, stdout) {
-      assert.equal(stdout, '2.0.3\n');
+      assert.equal(stdout, '2.0.4\n');
     }
   }),
   'stdin': pipedContext('a{color: #f00}', '', {