portails/layouts/partials/head/twitter_cards.html

{{ with $.Params.images -}}
  <meta name="twitter:card" content="summary_large_image">
  <meta name="twitter:image" content="{{ $.RelPermalink }}{{ index . 0 }}">
{{ else -}}
  {{ $images := $.Resources.ByType "image" -}}
  {{ $featured := $images.GetMatch "*feature*" -}}
  {{ if not $featured -}}
    {{ $featured = $images.GetMatch "{*cover*,*thumbnail*}" -}}
  {{ end -}}
  {{ with $featured -}}
    <meta name="twitter:card" content="summary_large_image">
    <meta name="twitter:image" content="{{ $featured.RelPermalink }}">
  {{ else -}}
    {{ with $.Site.Params.images -}}
      <meta name="twitter:card" content="summary_large_image">
      <meta name="twitter:image" content="{{ index . 0 | relURL }}">
    {{ else -}}
      <meta name="twitter:card" content="summary">
    {{ end -}}
  {{ end -}}
{{ end -}}

<meta name="twitter:title" content="{{ .Title }}">
<meta name="twitter:description" content="{{ with .Description }}{{ . }}{{ else }}{{if .IsPage}}{{ .Summary }}{{ else }}{{ with .Site.Params.description }}{{ . }}{{ end }}{{ end }}{{ end }}">
{{ with .Site.Social.twitter -}}
  <meta name="twitter:site" content="@{{ . }}">
{{ end -}}

{{ range .Site.Authors -}}
  {{ with .twitter -}}
    <meta name="twitter:creator" content="@{{ . }}">
  {{ end -}}
{{ end -}}