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{{- /*
Original source: https://github.com/gohugoio/hugo/blob/61c39ae63b62667d965c2ff96d085f4eda59bcb2/tpl/tplimpl/embedded/templates/opengraph.html
*/ -}}
<meta property="og:url" content="{{ .Permalink }}">
{{- with or site.Title site.Params.title | plainify }}
<meta property="og:site_name" content="{{ . }}">
{{- end }}
{{- /* Source modified to remove pipe to `plainify` */ -}}
{{- with or .Title site.Title site.Params.title }}
<meta property="og:title" content="{{ . }}">
{{- end }}
{{- with or .Description .Summary site.Params.description | plainify | htmlUnescape }}
<meta property="og:description" content="{{ trim . "\n\r\t " }}">
{{- end }}
{{- with or .Params.locale site.Language.LanguageCode }}
<meta property="og:locale" content="{{ replace . `-` `_` }}">
{{- end }}
{{- if .IsPage }}
<meta property="og:type" content="article">
{{- with .Section }}
<meta property="article:section" content="{{ . }}">
{{- end }}
{{- $ISO8601 := "2006-01-02T15:04:05-07:00" }}
{{- with .PublishDate }}
<meta property="article:published_time" {{ .Format $ISO8601 | printf "content=%q" | safeHTMLAttr }}>
{{- end }}
{{- with .Lastmod }}
<meta property="article:modified_time" {{ .Format $ISO8601 | printf "content=%q" | safeHTMLAttr }}>
{{- end }}
{{- range .GetTerms "tags" | first 6 }}
<meta property="article:tag" content="{{ .Page.Title | plainify }}">
{{- end }}
{{- else }}
<meta property="og:type" content="website">
{{- end }}
{{- with partial "_funcs/get-page-images" . }}
{{- range . | first 6 }}
<meta property="og:image" content="{{ .Permalink }}">
{{- end }}
{{- else }}
{{- /*
Source modified to load `assets/images/og-image.{webp,png,jpg}` files if any of them exists.
og-image.html can be modified in Hugo project if custom image generation logic is desired such
as using an external service.
*/ -}}
{{- if templates.Exists "partials/head/og-image.html" }}
{{- $ogImage := partial "head/og-image.html" . | strings.TrimSpace }}
{{- with $ogImage }}
<meta property="og:image" content="{{ . }}">
{{- end }}
{{- end }}
{{- end }}
{{- with .Params.audio }}
{{- range . | first 6 }}
<meta property="og:audio" content="{{ . | absURL }}">
{{- end }}
{{- end }}
{{- with .Params.videos }}
{{- range . | first 6 }}
<meta property="og:video" content="{{ . | absURL }}">
{{- end }}
{{- end }}
{{- range .GetTerms "series" }}
{{- range .Pages | first 7 }}
{{- if ne $ . }}
<meta property="og:see_also" content="{{ .Permalink }}">
{{- end }}
{{- end }}
{{- end }}
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