Extract common behaviour

lib/ruby_indexer/lib/ruby_indexer/entry.rb

@@ -342,6 +342,19 @@ def decorated_parameters
 
         "(#{first_signature.format})"
       end
+
+      sig { returns(String) }
+      def formatted_signatures
+        overloads_count = signatures.size
+        case overloads_count
+        when 1
+          ""
+        when 2
+          "\n(+1 overload)"
+        else
+          "\n(+#{overloads_count - 1} overloads)"
+        end
+      end
     end
 
     class Accessor < Member
@@ -543,6 +556,11 @@ def decorated_parameters
         @target.decorated_parameters
       end
 
+      sig { returns(String) }
+      def formatted_signatures
+        @target.formatted_signatures
+      end
+
       sig { returns(T::Array[Signature]) }
       def signatures
         @target.signatures

lib/ruby_lsp/listeners/hover.rb

@@ -177,12 +177,7 @@ def handle_method_hover(message, inherited_only: false)
         first_method = T.must(methods.first)
 
         title = "#{message}#{first_method.decorated_parameters}"
-        overloads_count = first_method.signatures.size
-        if overloads_count == 2
-          title << "\n(+1 overload)"
-        elsif overloads_count > 2
-          title << "\n(+#{overloads_count - 1} overloads)"
-        end
+        title << first_method.formatted_signatures
 
         if type.is_a?(TypeInferrer::GuessedType)
           title << "\n\nGuessed receiver: #{type.name}"

lib/ruby_lsp/requests/completion_resolve.rb

@@ -63,13 +63,7 @@ def perform
 
         if first_entry.is_a?(RubyIndexer::Entry::Member)
           label = +"#{label}#{first_entry.decorated_parameters}"
-
-          overloads_count = first_entry.signatures.size
-          if overloads_count == 2
-            label << "\n(+1 overload)"
-          elsif overloads_count > 2
-            label << "\n(+#{overloads_count - 1} overloads)"
-          end
+          label << first_entry.formatted_signatures
         end
 
         guessed_type = @item.dig(:data, :guessed_type)