Voir la source de Widget:Vega5

<script src="https://cdn.jsdelivr.net/npm/vega@5"></script>
<script src="https://cdn.jsdelivr.net/npm/vega-lite@5"></script>
<script src="https://cdn.jsdelivr.net/npm/vega-embed@6"></script>
<div id="view"></div>
<script>
    vegaEmbed(
      '#view',
      '<!--{$vega_json|escape:'html'}-->?action=raw'
    );
</script>