add config option "Prefixes" for ExtractType cop

config/default.yml

@@ -35,3 +35,9 @@ GraphQL/ExtractType:
   VersionAdded: '0.80'
   Description: 'Checks fields on common prefix groups'
   MaxFields: 2
+  Prefixes:
+    - is
+    - with
+    - avg
+    - min
+    - max

lib/rubocop/cop/graphql/extract_type.rb

@@ -66,6 +66,8 @@ def fractured(body)
             next unless field.underscore_name.include?("_")
 
             prefix = field.underscore_name.split("_").first
+            next if good_prefix?(prefix)
+
             acc[prefix] ||= []
             acc[prefix] << field
           end
@@ -74,6 +76,10 @@ def fractured(body)
         def message(prefix, field_names)
           format(MSG, field_names: field_names, prefix: prefix)
         end
+
+        def good_prefix?(word)
+          cop_config["Prefixes"].include?(word)
+        end
       end
     end
   end

spec/rubocop/cop/graphql/extract_type_spec.rb

@@ -6,7 +6,8 @@
   let(:config) do
     RuboCop::Config.new(
       "GraphQL/ExtractType" => {
-        "MaxFields" => 2
+        "MaxFields" => 2,
+        "Prefixes" => %w[is avg min max]
       }
     )
   end
@@ -75,6 +76,19 @@ class UserType < BaseType
         RUBY
       end
     end
+
+    context "when common prefix include in config Prefixes" do
+      it "not registers an offense" do
+        expect_no_offenses(<<~RUBY)
+          class UserType < BaseType
+            field :registered_at, String, null: false
+
+            field :is_admin, String, null: false
+            field :is_director, String, null: false
+          end
+        RUBY
+      end
+    end
   end
 
   context "when count fields with common prefix more than Max fields" do