kobel/layouts/partials/components/image.html

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HTML

<!--
type: string - default
url: string
alt: string
width: int
height: int
-->
{{ $sizes := slice "320" "640" "960" "1280" }}
{{ $ext := path.Ext .url }}
{{ $name := path.Base (replace .url $ext "") }}
{{ $dir := path.Dir .url }}
<picture>
<source
type="image/avif"
srcset="
{{ range $i, $size := $sizes }}
{{ $dir }}/{{ $name }}-{{ $size }}{{ $ext }}.avif {{ $size }}w,
{{ end }}
{{ .url }}.avif {{ .width }}w
"
/>
<source
type="image/webp"
srcset="
{{ range $i, $size := $sizes }}
{{ $dir }}/{{ $name }}-{{ $size }}{{ $ext }}.webp {{ $size }}w,
{{ end }}
{{ .url }}.webp {{ .width }}w
"
/>
<img
class="{{ .type }}"
width="{{ .width }}"
height="{{ .height }}"
srcset="
{{ range $i, $size := $sizes }}
{{ $dir }}/{{ $name }}-{{ $size }}{{ $ext }} {{ $size }}w,
{{ end }}
{{ .url }} {{ .width }}w
"
src="{{ .url }}"
alt="{{ .alt }}"
loading="lazy"
decoding="async"
>
</picture>
{{/* https://www.brycewray.com/posts/2023/05/better-code-image-processing-hugo-render-hook-edition/ */}}