Use exclude config from CSSComb

Author: wardpeet

Gruntfile.js

@@ -54,6 +54,16 @@ module.exports = function (grunt) {
                 src: ['*.css', '!*.resorted.css'],
                 dest: 'test/fixtures/dest/',
                 ext: '.resorted.css'
+            },
+            excludes: {
+                options: {
+                    config: 'test/fixtures/excludes/excludes.json'
+                },
+                expand: true,
+                cwd: 'test/fixtures/excludes/',
+                src: ['*.css', '!*.resorted.css'],
+                dest: 'test/fixtures/excludes/',
+                ext: '.resorted.css'
             }
         },
 
@@ -79,4 +89,4 @@ module.exports = function (grunt) {
     // By default, lint and run all tests.
     grunt.registerTask('default', ['jshint', 'test']);
 
-};
+};

tasks/csscomb.js

@@ -72,15 +72,59 @@ module.exports = function (grunt) {
                 }
             }).forEach(function (src) {
 
-                // Get CSS from a source file:
-                var css = grunt.file.read(src);
-
-                // Comb it:
-                grunt.log.ok('Sorting file "' + src + '"...');
-                var syntax = src.split('.').pop();
-                var combed = comb.processString(css, { syntax: syntax });
-                grunt.file.write(f.dest, combed);
+                // Placeholder for our css content
+                var css;
+
+                if (shouldProcess(src, config)) {
+
+                    // Get CSS from a source file:
+                    css = grunt.file.read(src);
+
+                    // Comb it:
+                    grunt.log.ok('Sorting file "' + src + '"...');
+                    var syntax = src.split('.').pop();
+                    var combed = comb.processString(css, { syntax: syntax });
+                    grunt.file.write(f.dest, combed);
+                } else {
+                    grunt.log.ok('Skipping file "' + src + '" because of exclude.');    
+                    grunt.file.copy(src, f.dest);
+                }
             });
         });
     });
+
+    function shouldProcess(src, config) {
+        var excludes = zip(
+            (config.exclude || []).map(function(pattern) {
+                return grunt.file.expand(pattern);
+            })
+        );
+        var ok = true;
+
+        if (excludes) {
+            var found = false;
+            src = src.replace(/^\.\//, '');
+            for (var i = 0, excludeLength = excludes.length; i < excludeLength && !found; i++) {
+                if (excludes[i].match(src)) {
+                    found = true;
+                }
+            }
+
+            ok = ok && !found;
+        }
+
+        return ok;
+    }
+
+    function zip(arrays) {
+        var returnArray = [];
+
+        arrays.forEach(function(value) {
+            value.forEach(function(item) {
+                returnArray.push(item);
+            });
+        });
+
+        return returnArray;
+    }
 };

test/csscomb_test.js

@@ -45,6 +45,23 @@ exports.csscomb = {
         var expected2 = grunt.file.read('test/expected/multi2.css');
         test.equal(actual2, expected2, 'sholud be sorted.');
 
+        test.done();
+    },
+    excludes: function (test) {
+        test.expect(3);
+
+        var actual = grunt.file.read('test/fixtures/excludes/exclude1.resorted.css');
+        var expected = grunt.file.read('test/expected/exclude1.css');
+        test.equal(actual, expected, 'should be sorted.');
+
+        var actual2 = grunt.file.read('test/fixtures/excludes/exclude2.resorted.css');
+        var expected2 = grunt.file.read('test/expected/exclude2.css');
+        test.equal(actual2, expected2, 'should be sorted.');
+
+        var actual3 = grunt.file.read('test/fixtures/excludes/exclude2.resorted.css');
+        var expected3 = grunt.file.read('test/expected/exclude2-notignored.css');
+        test.notEqual(actual3, expected3, 'should not be sorted.');
+
         test.done();
     }
-};
+};

test/expected/exclude1.css

@@ -0,0 +1,19 @@
+.exclude1
+{
+    font-weight: bold;
+
+    z-index: 100;
+
+    display: block;
+    visibility: hidden;
+
+    width: 100px;
+    height: 100px;
+    max-height: 44px;
+
+    text-align: center;
+    vertical-align: 5px;
+
+    border-color: 1px #000 solid;
+    background-color: red;
+}

test/expected/exclude2-notignored.css

@@ -0,0 +1,17 @@
+.expected2
+{
+    position: absolute;
+    z-index: 10;
+    top: 10px;
+    left: 10px;
+
+    display: table;
+    float: left;
+
+    width: 10px;
+    height: 10px;
+    margin: 10px;
+    padding: 10px;
+
+    border: 1px #fff solid;
+}

test/expected/exclude2.css

@@ -0,0 +1,13 @@
+.exclude2 {
+	position: absolute;
+	top: 10px;
+	left: 10px;
+	z-index: 10;
+	display: table;
+	float: left;
+	margin: 10px;
+	padding: 10px;
+	width: 10px;
+	height: 10px;
+	border: 1px #fff solid;
+}

test/fixtures/excludes/exclude1.css

@@ -0,0 +1,13 @@
+.exclude1 {
+	z-index: 100;
+	display: block;
+	visibility: hidden;
+	max-height: 44px;
+	width: 100px;
+	height: 100px;
+	border-color: 1px #000 solid;
+	background-color: red;
+	vertical-align: 5px;
+	text-align: center;
+	font-weight: bold;
+}

test/fixtures/excludes/exclude1.resorted.css

@@ -0,0 +1,19 @@
+.exclude1
+{
+    font-weight: bold;
+
+    z-index: 100;
+
+    display: block;
+    visibility: hidden;
+
+    width: 100px;
+    height: 100px;
+    max-height: 44px;
+
+    text-align: center;
+    vertical-align: 5px;
+
+    border-color: 1px #000 solid;
+    background-color: red;
+}

test/fixtures/excludes/exclude2.css

@@ -0,0 +1,13 @@
+.exclude2 {
+	position: absolute;
+	top: 10px;
+	left: 10px;
+	z-index: 10;
+	display: table;
+	float: left;
+	margin: 10px;
+	padding: 10px;
+	width: 10px;
+	height: 10px;
+	border: 1px #fff solid;
+}

test/fixtures/excludes/exclude2.resorted.css

@@ -0,0 +1,13 @@
+.exclude2 {
+	position: absolute;
+	top: 10px;
+	left: 10px;
+	z-index: 10;
+	display: table;
+	float: left;
+	margin: 10px;
+	padding: 10px;
+	width: 10px;
+	height: 10px;
+	border: 1px #fff solid;
+}