def minified_files?
      return unless ['.js', '.css'].include? extname
      if lines.any?
        (lines.inject(0) { |n, l| n += l.length } / lines.length) > 110
      else
        false
      end
    end
def minified_files?
      return unless ['.js', '.css'].include? extname
      if lines.any?
        (lines.inject(0) { |n, l| n += l.length } / lines.length) > 110
      else
        false
      end
    end
Internal: Is the blob minified files?

 Consider a file minified if the average line length is
 greater then 110c.

 Currently, only JS and CSS files are detected by this method.

 Returns true or false.