{{ $is_list := .is_list }}
{{ $ := .content }}

{{ with $.Params.url_preprint }}
<a class="btn btn-primary btn-outline{{ if $is_list }} btn-xs{{end}}" href="{{ . | absURL }}" target="_blank" rel="noopener">
  {{ i18n "btn_preprint" }}
</a>
{{ end }}
{{ with $.Params.url_pdf }}
<a class="btn btn-primary btn-outline{{ if $is_list }} btn-xs{{end}}" href="{{ . | absURL }}" target="_blank" rel="noopener">
  {{ i18n "btn_pdf" }}
</a>
{{ end }}
{{/* TODO: After Hugo v0.30 released, use fileExists function here. */}}
{{ $directory := "static/files/citations/" }}
{{ $filename := printf "%s.bib" $.File.TranslationBaseName }}
{{ if (where (readDir $directory) "Name" $filename) }}
<button type="button" class="btn btn-primary btn-outline{{ if $is_list }} btn-xs{{end}} js-cite-modal"
        data-filename="{{ printf "files/citations/%s.bib" $.File.TranslationBaseName | relURL }}">
  {{ i18n "btn_cite" }}
</button>
{{ end }}
{{ with $.Params.url_code }}
<a class="btn btn-primary btn-outline{{ if $is_list }} btn-xs{{end}}" href="{{ . | absURL }}" target="_blank" rel="noopener">
  {{ i18n "btn_code" }}
</a>
{{ end }}
{{ with $.Params.url_dataset }}
<a class="btn btn-primary btn-outline{{ if $is_list }} btn-xs{{end}}" href="{{ . | absURL }}" target="_blank" rel="noopener">
  {{ i18n "btn_dataset" }}
</a>
{{ end }}
{{ with $.Params.url_project }}
<a class="btn btn-primary btn-outline{{ if $is_list }} btn-xs{{end}}" href="{{ . | absLangURL }}">
  {{ i18n "btn_project" }}
</a>
{{ end }}
{{ with $.Params.url_poster }}
<a class="btn btn-primary btn-outline{{ if $is_list }} btn-xs{{end}}" href="{{ . | absURL }}" target="_blank" rel="noopener">
  {{ i18n "btn_poster" }}
</a>
{{ end }}
{{ with $.Params.url_slides }}
<a class="btn btn-primary btn-outline{{ if $is_list }} btn-xs{{end}}" href="{{ . | absURL }}" target="_blank" rel="noopener">
  {{ i18n "btn_slides" }}
</a>
{{ end }}
{{ with $.Params.url_video }}
<a class="btn btn-primary btn-outline{{ if $is_list }} btn-xs{{end}}" href="{{ . | absURL }}" target="_blank" rel="noopener">
  {{ i18n "btn_video" }}
</a>
{{ end }}
{{ with $.Params.url_source }}
<a class="btn btn-primary btn-outline{{ if $is_list }} btn-xs{{end}}" href="{{ . | absURL }}" target="_blank" rel="noopener">
  {{ i18n "btn_source" }}
</a>
{{ end }}
{{ range $.Params.url_custom }}
<a class="btn btn-primary btn-outline{{ if $is_list }} btn-xs{{end}}" href="{{ .url | absURL }}" target="_blank" rel="noopener">
  {{ .name }}
</a>
{{ end }}