jarv.is/layouts/shortcodes/tweet.html

{{- $url := printf "https://api.twitter.com/1/statuses/oembed.json?id=%v&dnt=1&omit_script=1&align=center" (index .Params 0) -}}
{{- $json := getJSON $url -}}

<div class="embed tweet">
{{ $json.html | safeHTML }}
</div>

{{- define "__shortcode_twitter_js" }}
<script async defer src="https://platform.twitter.com/widgets.js"></script>
{{- end }}