lib/attr/gather/aggregators/base.rb in attr-gather-1.1.1 vs lib/attr/gather/aggregators/base.rb in attr-gather-1.1.2

@@ -1,7 +1,9 @@
 # frozen_string_literal: true
 
+require 'attr/gather/filters/noop'
+
 module Attr
   module Gather
     module Aggregators
       # @abstract Subclass and override {#call} to implement
       #   a custom Aggregator class.
@@ -9,11 +11,13 @@
       # @!attribute [r] filter
       #   @return [Attr::Gather::Filters::Base] filter for the output data
       class Base
         attr_accessor :filter
 
+        NOOP_FILTER ||= Filters::Noop.new
+
         def initialize(**opts)
-          @filter = opts.delete(:filter)
+          @filter = opts.delete(:filter) || NOOP_FILTER
         end
 
         def call(_original_input, _results_array)
           raise NotImplementedError
         end