/*
type type_element_text = {
	content : string;
};

type type_element_group = {
	members : Array<type_element>;
};

type type_element = (
	type_element_text
	|
	type_element_group
);
 */


/**
 */
interface type_element
{
	render_html(
	) : string
	;
}


/**
 */
let element_kind_pool : Record<
	string,
	(
		(
			data : any,
			make : ((raw : any) => type_element)
		)
		=>
		type_element
	)
> = {};


/**
 */
function element_kind_register(
	name : string,
	factory : (
		(data : any, make : ((raw : any) => type_element))
		=>
		type_element
	)
) : void
{
	if (name in element_kind_pool)
	{
		throw (new Error("kind '" + name + "' already registered"));
	}
	else
	{
		element_kind_pool[name] = factory;
	}
}


/**
 */
function element_make(
	raw : any
) : type_element
{
	if (! (raw["kind"] in element_kind_pool))
	{
		throw (new Error("kind '" + raw["kind"] + "' not registered"));
	}
	else
	{
		return element_kind_pool[raw["kind"]](raw["data"], element_make);
	}
}