[data-v-component-category]|before = <?php
if (isset($_category_idx)) $_category_idx++; else $_category_idx = 0;
$_category = $this->_component['category'][$_category_idx];
?>

//[data-v-component-category] [data-v-category-name] = $_category['name']

//catch all data attributes
[data-v-component-category] [data-v-category-*] = $_category['@@__data-v-category-(*)__@@']