lib/rack/reducer/reduction.rb in rack-reducer-1.1.0 vs lib/rack/reducer/reduction.rb in rack-reducer-1.1.1

@@ -10,20 +10,30 @@
       using Refinements # define Proc#required_argument_names, #satisfies?, etc
 
       def initialize(dataset, *filters)
         @dataset = dataset
         @filters = filters
+        @default_filters = filters.select do |filter|
+          filter.required_argument_names.empty?
+        end
       end
 
       # Run +@filters+ against the params argument
       # @param [Hash, ActionController::Parameters, nil] params
       #   a Rack-compatible params hash
       # @return +@dataset+ with the matching filters applied
       def apply(params)
-        return @dataset if !params || params.empty?
+        if !params || params.empty?
+          return @dataset if @default_filters.empty?
 
-        symbolized_params = params.to_unsafe_h.symbolize_keys
-        @filters.reduce(@dataset) do |data, filter|
+          filters = @default_filters
+          symbolized_params = {}
+        else
+          filters = @filters
+          symbolized_params = params.to_unsafe_h.symbolize_keys
+        end
+
+        filters.reduce(@dataset) do |data, filter|
           next data unless filter.satisfies?(symbolized_params)
 
           data.instance_exec(
             **symbolized_params.slice(*filter.all_argument_names),
             &filter