Fix sort at-rules by their parameter name

Author: hudochenkov

index.js

@@ -100,7 +100,7 @@ module.exports = postcss.plugin('postcss-sort', function (opts) {
                         var atruleParameter = /^[\w-]+/.exec(node.params);
 
                         if (atruleParameter && atruleParameter.length) {
-                            var sortNameExtended = sortName + ' ' + atruleParameter[0];
+                            var sortNameExtended = atruleName + ' ' + atruleParameter[0];
 
                             if (order[sortNameExtended]) {
                                 sortName = sortNameExtended;

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

@@ -1,4 +1,5 @@
 .block {
+    @some-rule hello;
     border: none;
     @mixin clearfix;
     @mixin island;

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

@@ -1,5 +1,6 @@
 .block {
     @mixin island;
     border: none;
+    @some-rule hello;
     @mixin clearfix;
 }

test/test.js

@@ -109,9 +109,9 @@ test('Should sort complex case with leftovers', t => {
     ] });
 });
 
-test('Should sort at-rules by they parameter name', t => {
+test('Should sort at-rules by their parameter name', t => {
     return run(t, 'at-rules-by-parameter', { 'sort-order': [
-        ['@mixin', 'border', '@mixin clearfix']
+        ['@mixin', 'border', '@some-rule hello', '@mixin clearfix']
     ] });
 });