50 lines
2.1 KiB
HTML
50 lines
2.1 KiB
HTML
{{/* code from https://www.brycewray.com/posts/2023/05/better-code-image-processing-hugo-render-hook-edition/ */}}
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{{- $alt := .Text -}}
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{{- $caption := .Title -}}
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{{- $respSizes := slice "320" "640" "960" "1280" "1600" "1920" -}}
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{{- $hint := "photo" -}}
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{{- $filter := "box" -}}
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{{- $dest := ( .Destination | safeURL ) -}}
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<!-- get actual filename -->
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{{- $dest = path.Join (path.Dir $dest) (path.Base $dest) -}}
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<div class="not-prose">
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<!-- check if it exists as a page resource -->
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{{- if and (.Page.Resources.Get $dest) (ne (.Page.Resources.Get $dest).MediaType.SubType "svg") -}}
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{{- $src := .Page.Resources.Get $dest -}}
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{{- $dataSzes := "(min-width: 1024px) 100vw, 50vw" -}}
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{{- $actualImg := $src.Resize (print "640x jpg " $filter) -}}
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<picture>
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<source type="image/webp" srcset="
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{{- with $respSizes -}}
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{{- range $i, $e := . -}}
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{{- if ge $src.Width . -}}
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{{- if $i }}, {{ end -}}{{- ($src.Resize (print . "x webp " $hint " " $filter) ).RelPermalink }} {{ . }}w
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{{- end -}}
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{{- end -}}
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{{- end -}}" sizes="{{ $dataSzes }}" />
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<source type="image/jpeg" srcset="
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{{- with $respSizes -}}
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{{- range $i, $e := . -}}
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{{- if ge $src.Width . -}}
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{{- if $i }}, {{ end -}}{{- ($src.Resize (print . "x jpg " $filter) ).RelPermalink }} {{ . }}w
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{{- end -}}
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{{- end -}}
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{{- end -}}" sizes="{{ $dataSzes }}" />
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<img class="h-auto max-w-full rounded-lg" src="{{ $actualImg.RelPermalink }}" width="{{ $src.Width }}" height="{{ $src.Height }}" alt="{{ $alt }}" title="{{ $alt }}" loading="lazy" />
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</picture>
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{{- with $caption -}}<p class="text-sm text-center text-slate-500 dark:text-slate-300">{{ $caption | $.Page.RenderString }}</p>{{- end }}
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<!-- or otherwise simply load the URL -->
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{{- else -}}
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<figure>
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<img src="{{ .Destination | safeURL }}"
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alt="{{ .Text }}" {{ with .Title }} title="{{ . }}" {{ end }}
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loading="lazy"
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>
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{{- with $caption -}}<figcaption class="text-sm text-center text-slate-500 dark:text-slate-300">{{ $caption | $.Page.RenderString }}</figcaption>{{- end }}
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</figure>
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{{- end -}}
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</div>
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