module Phlex::Elements

def register_element(element, tag: element.name.tr("_", "-"))
	class_eval(<<-RUBY, __FILE__, __LINE__ + 1)
      # frozen_string_literal: true
      def #{element}(content = nil, **attributes, &block)
			if content
				raise ArgumentError, %(👋 You can no longer pass content to #{element} as a positional argument.\n Instead, you can pass it as a block, e.g. #{element} { "Hello" })
			end
        if attributes.length > 0
          if block_given?
            @_target << "<#{tag}" << (Phlex::ATTRIBUTE_CACHE[attributes.hash] || _attributes(**attributes)) << ">"
            yield_content(&block)
            @_target << "</#{tag}>"
          else
            @_target << "<#{tag}" << (Phlex::ATTRIBUTE_CACHE[attributes.hash] || _attributes(**attributes)) << "></#{tag}>"
          end
        else
          if block_given?
            @_target << "<#{tag}>"
            yield_content(&block)
            @_target << "</#{tag}>"
          else
            @_target << "<#{tag}></#{tag}>"
          end
        end
        nil
      end
	RUBY
end

def register_void_element(element, tag: element.name.tr("_", "-"))
	class_eval(<<-RUBY, __FILE__, __LINE__ + 1)
      # frozen_string_literal: true
      def #{element}(**attributes)
        if attributes.length > 0
          @_target << "<#{tag}" << (Phlex::ATTRIBUTE_CACHE[attributes.hash] || _attributes(**attributes)) << ">"
        else
          @_target << "<#{tag}>"
        end
        nil
      end
	RUBY
end