include custom twitter-card metadata

CHANGELOG.md

@@ -1,4 +1,2 @@
-- BUGFIX
-  - fix default atom feed include
 - ENHANCEMENT
-  - increase contrast ratio on feature image overlay
+  - include custom twitter-card metadata and switch to `summary` instead of `summary_large_image`

layouts/partials/head/microformats.html

@@ -1,2 +1,28 @@
 {{ template "_internal/opengraph.html" . }}
-{{ template "_internal/twitter_cards.html" . }}
+
+<meta name="twitter:card" content="summary"/>
+{{- with $.Params.images -}}
+<meta name="twitter:image" content="{{ index . 0 | absURL }}"/>
+{{ else -}}
+{{- $images := $.Resources.ByType "image" -}}
+{{- $featured := $images.GetMatch "*feature*" -}}
+{{- if not $featured }}{{ $featured = $images.GetMatch "{*cover*,*thumbnail*}" }}{{ end -}}
+{{- with $featured -}}
+<meta name="twitter:image" content="{{ $featured.Permalink }}"/>
+{{- else -}}
+{{- with $.Site.Params.images -}}
+<meta name="twitter:image" content="{{ index . 0 | absURL }}"/>
+{{- 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 -}}