lib/json_logic/operation.rb in json_logic-0.4.5 vs lib/json_logic/operation.rb in json_logic-0.4.6

@@ -14,9 +14,11 @@
         v[0].any? do |val|
           interpolated_block(v[1], val).truthy?
         end
       end,
       'filter' => -> (v,d) do
+        return [] unless v[0].is_a?(Array)
+
         v[0].select do |val|
           interpolated_block(v[1], val).truthy?
         end
       end,
       'substr' => -> (v,d) do