Sample shortcode for using mailgo.js in a Hugo site - automatically includes mailgo script in the page body when shortcode is used.

mailgo.html

<!-- layouts/shortcodes/mailgo.html -->

{{ if .Get 1 }}
  <span class="icon-link">
    <a href="#mailgo" data-address="{{ .Get 0 }}" data-domain="{{ .Get 1 }}" >
      <img src="/icon/mailgo.png" alt="mailgo" {{ with .Get 2 }} height="{{ . }}" {{ end }} />
    </a>
    
    <script src="https://cdn.jsdelivr.net/npm/mailgo@[VERSION]/dist/mailgo.min.js"></script>
  </span>
{{ else }}
  {{ errorf "missing email params" }}
{{ end }}

mypost.txt (raw markdown)

<!-- content/posts/mypost.md -->	

<!-- using mailgo shortcode..
  arg 0 - data-address
  arg 1 - data-domain
  arg 2 (optional) - icon height
-->

{{< mailgo ormsbyadam gmail.com 100 >}}