{{/* Cloak an e-mail address (first argument) */ -}}
{{- $address_parts := split . "@" -}}
{{- if (eq (len $address_parts) 2) -}}
{{- $user := index $address_parts 0 -}}
{{- $domain := index $address_parts 1 -}}
<span class="cloaked-e-mail" data-user="{{ range $index := seq (sub (len $user) 1) 0 }}{{ substr $user $index 1 }}{{ end }}" data-domain="{{ range $index := seq (sub (len $domain) 1) 0 }}{{ substr $domain $index 1 }}{{ end }}"></span>
{{- else -}}
<span>INVALID E-MAIL ADDRESS</span>
{{- end -}}
{{- /* Dummy comment to strip trailing newline */ -}}