module Playbook

def self.assets_digest
  @assets_digest ||= begin
    if ActionView::Base.respond_to?(:asset_manifest) # Rails 4
      Digest::MD5.hexdigest(ActionView::Base.assets_manifest.assets.values.sort.join)
    elsif Rails.configuration.assets.digests.present? # Rails 3
      Digest::MD5.hexdigest(Rails.configuration.assets.digests.try(:values).sort.join)
    end
  end
end

def self.web_page_within_mobile_app?(request)
  request.user_agent.try(:downcase) =~ /^nitro/
end

def webpacker
  @webpacker ||= ::Webpacker::Instance.new(
    root_path: ROOT_PATH,
    config_path: ROOT_PATH.join("config/webpacker.yml")
  )
end