discourse/app/serializers/user_bookmark_list_serializer.rb

# frozen_string_literal: true

class UserBookmarkListSerializer < ApplicationSerializer
  attributes :more_bookmarks_url, :bookmarks

  def bookmarks
    object.bookmarks.map do |bm|
      bm.registered_bookmarkable.serializer.new(bm, scope: scope, root: false)
    end
  end

  def include_more_bookmarks_url?
    @include_more_bookmarks_url ||= object.bookmarks.size == object.per_page
  end
end