Add emoji_reactioned_by_slim api (not work)

app/serializers/rest/emoji_reacted_by_slim_reaction_serializer.rb

@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+class REST::EmojiReactedBySlimReactionSerializer < ActiveModel::Serializer
+  include RoutingHelper
+
+  attributes :name
+
+  attribute :url, if: :custom_emoji?
+  attribute :static_url, if: :custom_emoji?
+  attribute :domain, if: :custom_emoji?
+
+  def url
+    full_asset_url(object.custom_emoji.image.url)
+  end
+
+  def static_url
+    full_asset_url(object.custom_emoji.image.url(:static))
+  end
+
+  def domain
+    object.custom_emoji.domain
+  end
+
+  def custom_emoji?
+    object.custom_emoji.present?
+  end
+end

app/serializers/rest/emoji_reacted_by_slim_serializer.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class REST::EmojiReactedBySlimSerializer < ActiveModel::Serializer
+
+  belongs_to :account, serializer: REST::AccountSerializer
+  has_many :emoji_reactions, serializer: REST::EmojiReactedBySlimReactionSerializer
+
+  def attributes
+    { account => emoji_reactions }
+  end
+
+  private
+
+  def account
+    object.first
+  end
+
+  def emoji_reactions
+    object.last
+  end
+end