perf: process

Author: Scrum

lib/index.js

@@ -10,14 +10,14 @@ module.exports = function (options) {
   }
 
   return function posthtmlWebp (tree) {
-    tree.match({ tag: 'img' }, function (imgNode) {
+    tree.match([{ tag: 'img' }, { tag: 'amp-img' }], function (imgNode) {
       if (imgNode.skip) return imgNode
-      return getPicture(imgNode, options)
-    })
-
-    tree.match({ tag: 'amp-img' }, function (imgNode) {
-      if (imgNode.skip) return imgNode
-      return getAmpPicture(imgNode, options)
+      switch (imgNode.tag) {
+        case 'amp-img':
+          return getAmpPicture(imgNode, options)
+        default:
+          return getPicture(imgNode, options)
+      }
     })
 
     return tree