class Component {
    constructor(config = {}) {
	var me = this;
	me.config = config;
	me.data = config.data || {};
	me.tpl = me.config.tpl || '<div class="component"></div>';
    }
    getTpl() {
	var me = this;
	if (!me._compiledtpl) {
	    me._compiledtpl = Template7.compile(me.tpl);
	}
	return me._compiledtpl;
    }
    getEl(data) {
	var me = this;
	if (data === undefined && me._el) {
	    return me._el;
	} else if (data !== undefined) {
	    me.data =data;
	}
	me._el = Dom7(me.getTpl()(me.data));
	return me._el;
    }
}