Support sorting by at-rule parameter with argument

Author: Redknife

index.js

@@ -79,7 +79,7 @@ function getAtruleSortName(node, order) {
 	var atruleName = '@' + node.name;
 
 	// If atRule has a parameter like @mixin name or @include name, sort by this parameter
-	var atruleParameter = (/^[\w-]+/).exec(node.params);
+	var atruleParameter = (/^[\w-\(\)]+/).exec(node.params);
 
 	if (atruleParameter && atruleParameter.length) {
 		var sortNameExtended = atruleName + ' ' + atruleParameter[0];

test/fixtures/at-rules-by-parameter-with-arg.css

@@ -0,0 +1,7 @@
+.block {
+	@mixin clearfix;
+	@include mwp(3);
+	border: none;
+	@include mwp(2);
+	@include mwp(1);
+}

test/fixtures/at-rules-by-parameter-with-arg.expected.css

@@ -0,0 +1,7 @@
+.block {
+	@mixin clearfix;
+	border: none;
+	@include mwp(1);
+	@include mwp(2);
+	@include mwp(3);
+}

test/test.js

@@ -163,6 +163,12 @@ test('Should sort at-rules by their parameter name', t => {
 	] });
 });
 
+test('Should sort at-rules by their parameter name and argument', t => {
+	return run(t, 'at-rules-by-parameter-with-arg', { 'sort-order': [
+		['@mixin', 'border', '@include mwp(1)', '@include mwp(2)', '@include mwp(3)']
+	] });
+});
+
 test('Should preserve indentation', t => {
 	return run(t, 'indent', { 'sort-order': [
 		['...'],