String datastar_data_lines(String field, String value)
{
	String out = "";
	for(String line : split(value, "\n"))
		out += "data: " + field + " " + line + "\n";
	return(out);
}

void datastar_sse_headers(Request& context)
{
	context.call["app"]["page_type"] = "blank";
	context.header["Content-Type"] = "text/event-stream; charset=utf-8";
	context.header["Cache-Control"] = "no-cache, no-store, must-revalidate";
	context.header["X-Accel-Buffering"] = "no";
}

String datastar_event(String event_name, StringMap fields)
{
	String out = "event: " + event_name + "\n";
	for(const auto& field : fields)
		out += datastar_data_lines(field.first, field.second);
	out += "\n";
	return(out);
}

String datastar_patch_elements(String html)
{
	StringMap fields;
	fields["elements"] = html;
	return(datastar_event("datastar-patch-elements", fields));
}

String datastar_patch_signals(String signals_json)
{
	StringMap fields;
	fields["signals"] = signals_json;
	return(datastar_event("datastar-patch-signals", fields));
}