{{/* Return true if the page has attachments or link buttons to display. */}}

{{ $page := . }}

{{ $pdf_link := false }}
{{/* Prevent Hugo warning ".File.ContentBaseName on zero object." for content not backed by a Markdown file, */}}
{{/* such as auto-generated taxonomy pages, and sections without an explicit index file. */}}
{{/* The file check is required when called from `_default/list.html`, the fallback list view for the above cases. */}}
{{ with $page.File }}
  {{ $slug := $page.File.ContentBaseName }}
  {{ $resource := $page.Resources.GetMatch (printf "%s.pdf" $slug) }}
  {{ with $resource }}
    {{ $pdf_link = true }}
  {{ end }}
{{ end }}

{{ $cite_link := false }}
{{ $resource := $page.Resources.GetMatch "cite.bib" }}
{{ with $resource }}
  {{ $cite_link = true }}
{{ end }}

{{ return ($cite_link | or $pdf_link | or .Params.url_preprint | or .Params.url_pdf | or .Params.url_slides | or .Params.url_video | or .Params.url_source | or .Params.url_code | or .Params.url_dataset | or .Params.url_poster | or .Params.url_project | or .Params.doi | or .Params.links | or .Params.projects | or .Params.slides) }}
