postcss
diff --git a/‎lib/container.js
Lines changed: 8 additions & 4 deletions b/‎lib/container.js
Lines changed: 8 additions & 4 deletions
@@ -15,11 +15,11 @@ function cleanSource(nodes) {
   })
 }
 
-function markDirtyUp(node) {
+function markTreeDirty(node) {
   node[isClean] = false
   if (node.proxyOf.nodes) {
     for (let i of node.proxyOf.nodes) {
-      markDirtyUp(i)
+      markTreeDirty(i)
     }
   }
 }
@@ -153,7 +153,11 @@ class Container extends Node {
   insertBefore(exist, add) {
     let existIndex = this.index(exist)
     let type = existIndex === 0 ? 'prepend' : false
-    let nodes = this.normalize(add, this.proxyOf.nodes[existIndex], type).reverse()
+    let nodes = this.normalize(
+      add,
+      this.proxyOf.nodes[existIndex],
+      type
+    ).reverse()
     existIndex = this.index(exist)
     for (let node of nodes) this.proxyOf.nodes.splice(existIndex, 0, node)
 
@@ -209,7 +213,7 @@ class Container extends Node {
       if (!i[my]) Container.rebuild(i)
       i = i.proxyOf
       if (i.parent) i.parent.removeChild(i)
-      if (i[isClean]) markDirtyUp(i)
+      if (i[isClean]) markTreeDirty(i)
       if (typeof i.raws.before === 'undefined') {
         if (sample && typeof sample.raws.before !== 'undefined') {
           i.raws.before = sample.raws.before.replace(/\S/g, '')