lib/scss_lint/utils.rb in scss-lint-0.35.0 vs lib/scss_lint/utils.rb in scss-lint-0.36.0

@@ -80,9 +80,25 @@
       node.node_parent
           .children
           .select { |child| child.is_a?(Sass::Tree::Node) }
     end
 
+    # Return nth-ancestor of a node, where 1 is the parent, 2 is grandparent,
+    # etc.
+    #
+    # @param node [Sass::Tree::Node, Sass::Script::Tree::Node]
+    # @param level [Integer]
+    # @return [Sass::Tree::Node, Sass::Script::Tree::Node, nil]
+    def node_ancestor(node, levels)
+      while levels > 0
+        node = node.node_parent
+        return unless node
+        levels -= 1
+      end
+
+      node
+    end
+
     def pluralize(value, word)
       value == 1 ? "#{value} #{word}" : "#{value} #{word}s"
     end
 
     # Sass doesn't define an equality operator for Sass::Source::Position