Vendor keyframes not ignored

index.js

@@ -4,7 +4,14 @@ module.exports = function postcssPrefixSelector(options) {
 
   return function(root) {
     root.walkRules(rule => {
-      if (rule.parent && rule.parent.name === 'keyframes') {
+      const keyframeRules = [
+        'keyframes',
+        '-webkit-keyframes',
+        '-moz-keyframes',
+        '-o-keyframes'
+      ];
+
+      if (rule.parent && keyframeRules.includes(rule.parent.name)) {
         return;
       }
 

package.json

@@ -1,7 +1,7 @@
 {
   "name": "postcss-prefix-selector",
   "description": "Prefix all CSS rules with a selector",
-  "version": "1.7.1",
+  "version": "1.7.2",
   "author": "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)",
   "contributors": [
     "Valentin Radulescu <valentin@radulescu.me> (https://valentin.io)"

test/fixtures/keyframes.css

@@ -15,3 +15,30 @@
     color: red;
   }
 }
+
+@-webkit-keyframes glow {
+  from {
+    color: coral;
+  }
+  to {
+    color: red;
+  }
+}
+
+@-moz-keyframes glow {
+  from {
+    color: coral;
+  }
+  to {
+    color: red;
+  }
+}
+
+@-o-keyframes glow {
+  from {
+    color: coral;
+  }
+  to {
+    color: red;
+  }
+}

test/fixtures/keyframes.expected.css

@@ -15,3 +15,30 @@
     color: red;
   }
 }
+
+@-webkit-keyframes glow {
+  from {
+    color: coral;
+  }
+  to {
+    color: red;
+  }
+}
+
+@-moz-keyframes glow {
+  from {
+    color: coral;
+  }
+  to {
+    color: red;
+  }
+}
+
+@-o-keyframes glow {
+  from {
+    color: coral;
+  }
+  to {
+    color: red;
+  }
+}