Flatten filter kwargs for visit in Variable::ParseTreeVisitor

Author: brunodccarvalho

lib/liquid/variable.rb

@@ -151,8 +151,14 @@ def evaluate_filter_expressions(context, filter_args, filter_kwargs)
     end
 
     class ParseTreeVisitor < Liquid::ParseTreeVisitor
+      def children_filter(filter)
+        nodes = [filter[0], *filter[1]]
+        nodes.concat(filter[2].entries.flatten(1)) if filter[2]
+        nodes
+      end
+
       def children
-        [@node.name] + @node.filters.flatten
+        [@node.name] + @node.filters.flat_map { |filter| children_filter(filter) }
       end
     end
   end

test/unit/parse_tree_visitor_test.rb

@@ -12,10 +12,10 @@ def test_variable
     )
   end
 
-  def test_varible_with_filter
+  def test_variable_with_filter
     assert_equal(
-      ["test", "infilter"],
-      visit(%({{ test | split: infilter }})),
+      ["test", "infilter", "infilter_hash_value"],
+      visit(%({{ test | default: infilter, allow_false: infilter_hash_value }})),
     )
   end