# Haml > 5 falls back to erb
if Haml::VERSION < '5'
  # Use module_eval so we crash when Haml::Helpers has not yet been loaded.
  Haml::Helpers.module_eval do

    def html_escape_with_escaping_angular_expressions(s)
      s = s.to_s
      if s.html_safe?
        s
      else
        html_escape_without_escaping_angular_expressions(AngularXss::Escaper.escape(s))
      end
    end

    alias_method :html_escape_without_escaping_angular_expressions, :html_escape
    alias_method :html_escape, :html_escape_with_escaping_angular_expressions

  end
end