Silence Asset Logging in Development

silece_assets.rb

if Rails.env.development?
  Rails.application.assets.logger = Logger.new('/dev/null')
  Rails::Rack::Logger.class_eval do
    def before_dispatch_with_quiet_assets(env)
      before_dispatch_without_quiet_assets(env) unless env['PATH_INFO'].index("/assets/") == 0
    end
    alias_method_chain :before_dispatch, :quiet_assets
  end
end