{{- /* Hextra v0.8.4's image hook, plus: each image links to its full-size
     file, so wide figures can be read on a phone, and a missing file
     under static/ warns, since the figure scripts write them outside git. */ -}}
{{- $alt := .PlainText | safeHTML -}}
{{- $lazyLoading := .Page.Site.Params.enableImageLazyLoading | default true -}}
{{- $dest := .Destination -}}

{{- $isLocal := not (urls.Parse $dest).Scheme -}}
{{- $isPage := and (eq .Page.Kind "page") (not .Page.BundleType) -}}
{{- $startsWithSlash := hasPrefix $dest "/" -}}
{{- $startsWithRelative := hasPrefix $dest "../" -}}

{{- if and $dest $isLocal -}}
  {{- if $startsWithSlash -}}
    {{/* Images under static directory */}}
    {{- if not (fileExists (path.Join "static" $dest)) -}}
      {{- warnf "%s: image %s not found; run the figure scripts in scripts/figures/" .Page.File.Path $dest -}}
    {{- end -}}
    {{- $dest = (relURL (strings.TrimPrefix "/" $dest)) -}}
  {{- else if and $isPage (not $startsWithRelative) -}}
    {{/* Images that are sibling to the individual page file */}}
    {{ $dest = (printf "../%s" $dest) }}
  {{- end -}}
{{- end -}}

{{- with .Title -}}
  <figure>
    <a href="{{ $dest | safeURL }}"><img src="{{ $dest | safeURL }}" title="{{ . }}" alt="{{ $alt }}" {{ if $lazyLoading }}loading="lazy"{{ end }} /></a>
    <figcaption>{{ . }}</figcaption>
  </figure>
{{- else -}}
  <a href="{{ $dest | safeURL }}"><img src="{{ $dest | safeURL }}" alt="{{ $alt }}" {{ if $lazyLoading }}loading="lazy"{{ end }} /></a>
{{- end -}}