From a9c0c46263dcafcf01944246e31cbe5650ee605e Mon Sep 17 00:00:00 2001
From: Sean Griffin <sean@thoughtbot.com>
Date: Mon, 22 Dec 2014 12:06:01 -0700
Subject: Convert `references` to kwargs

While we aren't taking PRs with these kinds of changes just yet, they
are fine if we're actively working on the method and it makes things
easier.
---
 .../abstract/schema_definitions.rb                 | 24 +++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

(limited to 'activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb')

diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
index 537e21029e..33419680fb 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
@@ -306,15 +306,25 @@ module ActiveRecord
       #  t.belongs_to(:supplier, polymorphic: true)
       #
       # See SchemaStatements#add_reference
-      def references(*args)
-        options = args.extract_options!
-        polymorphic = options.delete(:polymorphic)
-        index_options = options.delete(:index)
-        type = options.delete(:type) || :integer
+      def references(
+        *args,
+        polymorphic: false,
+        index: false,
+        type: :integer,
+        **options
+      )
+        polymorphic_options = polymorphic.is_a?(Hash) ? polymorphic : options
+        index_options = index.is_a?(Hash) ? index : {}
         args.each do |col|
           column("#{col}_id", type, options)
-          column("#{col}_type", :string, polymorphic.is_a?(Hash) ? polymorphic : options) if polymorphic
-          index(polymorphic ? %w(type id).map { |t| "#{col}_#{t}" } : "#{col}_id", index_options.is_a?(Hash) ? index_options : {}) if index_options
+
+          if polymorphic
+            column("#{col}_type", :string, polymorphic_options)
+          end
+
+          if index
+            self.index(polymorphic ? %w(type id).map { |t| "#{col}_#{t}" } : "#{col}_id", index_options)
+          end
         end
       end
       alias :belongs_to :references
-- 
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