{{ $social := .social }}
{{ $username := .username }}

{{ $url := "" }}

{{ if eq $social "github" }}
  {{ $url = printf "https://github.com/%s" $username }}
{{ else if eq $social "linkedin" }}
  {{ $url = printf "https://www.linkedin.com/in/%s" $username }}
{{ else }}
  {{ $url = "#" }}
{{ end }}

<a href="{{ $url }}" target="_blank">
  {{ title $social }}
</a>