class Sprockets::Rails::QuietAssets

def call(env)
  if env['PATH_INFO'] =~ @assets_regex
    ::Rails.logger.silence { @app.call(env) }
  else
    @app.call(env)
  end
end

def initialize(app)
  @app = app
  @assets_regex = %r(\A/{0,2}#{::Rails.application.config.assets.prefix})
end