Simplify getAncestorNode in css (#13497)

src/language-css/utils/index.js

@@ -26,24 +26,8 @@ const colorAdjusterFunctions = new Set([
   "hwba",
 ]);
 
-function getAncestorCounter(path, typeOrTypes) {
-  const types = Array.isArray(typeOrTypes) ? typeOrTypes : [typeOrTypes];
-
-  let counter = -1;
-  let ancestorNode;
-
-  while ((ancestorNode = path.getParentNode(++counter))) {
-    if (types.includes(ancestorNode.type)) {
-      return counter;
-    }
-  }
-
-  return -1;
-}
-
-function getAncestorNode(path, typeOrTypes) {
-  const counter = getAncestorCounter(path, typeOrTypes);
-  return counter === -1 ? null : path.getParentNode(counter);
+function getAncestorNode(path, type) {
+  return path.findAncestor((node) => node.type === type);
 }
 
 function getPropOfDeclNode(path) {
@@ -400,7 +384,6 @@ function isParenGroupNode(node) {
 }
 
 export {
-  getAncestorCounter,
   getAncestorNode,
   getPropOfDeclNode,
   maybeToLowerCase,