# File lib/sprockets/uglifier_compressor.rb, line 18
    def evaluate(context, locals, &block)
      # Feature detect Uglifier 2.0 option support
      if Uglifier::DEFAULTS[:copyright]
        # Uglifier < 2.x
        Uglifier.new(:copyright => false).compile(data)
      else
        # Uglifier >= 2.x
        Uglifier.new(:comments => :none).compile(data)
      end
    end