# File lib/sprockets/safety_colons.rb, line 18
    def evaluate(context, locals, &block)
      # If the file is blank or ends in a semicolon, leave it as is
      if data =~ /\A\s*\Z/m || data =~ /;\s*\Z/m
        data
      else
        # Otherwise, append a semicolon and newline
        "#{data};\n"
      end
    end