module Phlex::Renderable

def format
	:html
end

def render(renderable, *args, **kwargs, &block)
	if renderable.is_a?(View)
		if block_given? && !block.binding.receiver.is_a?(Phlex::Block)
			block = Phlex::Block.new(self, &block)
		end
		renderable.call(@_target, view_context: @_view_context, parent: self, &block)
	elsif renderable.is_a?(Class) && renderable < View
		raise ArgumentError, "You tried to render the Phlex view class: #{renderable.name} but you probably meant to render an instance of that class instead."
	else
		@_target << @_view_context.render(renderable, *args, **kwargs, &block)
	end
	nil
end

def render_in(view_context, &block)
	if block_given?
		call(view_context: view_context) do |*args, **kwargs|
			view_context.with_output_buffer(self) do
				original_length = @_target.length
				output = yield(*args, **kwargs)
				unchanged = (original_length == @_target.length)
				text(output) if unchanged && output.is_a?(String)
			end
		end.html_safe
	else
		call(view_context: view_context).html_safe
	end
end