@epa-wg/custom-element/demo/tree.xml

Declarative Custom Element as W3C proposal PoC with native(XSLT) based templating

<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="tree.xsl"?>
<div xmlns="http://www.w3.org/1999/xhtml">
    <payload>
        <span slot=""></span>
        <p slot="description">Bulbasaur is a cute Pokémon born with a large seed firmly affixed to its back;
            the seed grows in size as the Pokémon does.
        </p>
        <span slot=""></span>
        <ul slot="">
            <li pokemon-id="2">ivysaur</li>
            <li pokemon-id="3">venusaur</li>
        </ul>
        <span slot=""></span>
    </payload>
    <attributes>
        <title>bulbasaur</title>
        <data-smile>👼</data-smile>
        <pokemon-id>1</pokemon-id>
    </attributes>
    <dataset>
        <smile>👼</smile>
    </dataset>
    <slice></slice>
</div>