hugo-theme-hilfe/layouts/shortcodes/img.html

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{{ $source := ($.Page.Resources.ByType "image").GetMatch (printf "%s" (.Get "name")) }}
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{{ $customAlt := .Get "alt" }}
{{ $customSize := .Get "size" }}
{{ $lazyLoad := default (default true $.Site.Params.GeekdocImageLazyLoading) (.Get "lazy") }}
{{ with $source }}
{{ $caption := default .Title $customAlt }}
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{{ $tiny := (.Resize "320x").RelPermalink }}
{{ $small := (.Resize "600x").RelPermalink }}
{{ $medium := (.Resize "1200x").RelPermalink }}
{{ $large := (.Resize "1800x").RelPermalink }}
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{{ $size := dict "tiny" $tiny "small" $small "medium" $medium "large" $large }}
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<div class="flex justify-center">
<figure class="gdoc-markdown__figure">
<a class="gdoc-markdown__link--raw" href="{{ .RelPermalink }}">
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<picture>
<source
{{ with $customSize }}
srcset="{{ index $size $customSize }}"
{{ else }}
srcset="{{ $size.small }} 600w, {{ $size.medium }} 1200w" sizes="100vw"
{{ end }}
/>
<img
{{ if $lazyLoad }}
loading="lazy"
{{ end }}
src="{{ $size.large }}"
alt="{{ $caption }}"
/>
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</picture>
</a>
{{ with $caption -}}
<figcaption>
{{ . }}{{ with $source.Params.credits }}({{ . | $.Page.RenderString }}){{ end }}
</figcaption>
{{- end }}
</figure>
</div>
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{{ end }}