module Phlex::Renderable

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