image-set.html

{{/* 
    Copyright © 2022 - 2025 The Hinode Team / Mark Dumay. All rights reserved.
    Use of this source code is governed by The MIT License (MIT) that can be found in the LICENSE file.
    Visit gethinode.com/license for more details.
*/}}

{{/* Initialize arguments */}}
{{ $args := partial "utilities/InitArgs.html" (dict "structure" "image-set" "args" . "group" "partial") }}
{{ if or $args.err $args.warnmsg }}
    {{ partial (cond $args.err "utilities/LogErr.html" "utilities/LogWarn.html") (dict 
        "partial" "assets/helpers/image-set.html" 
        "warnid"  "warn-invalid-arguments"
        "msg"     "Invalid arguments"
        "details" ($args.errmsg | append $args.warnmsg)
        "file"    page.File
    )}}
{{ end }}

{{/* Initialize local arguments */}}
{{- $src := $args.src -}}
{{ $absoluteURL := or $args.absoluteUrl $args.absoluteURL }}
{{ $hook := $args.hook }}
{{ $host := (urls.Parse $src).Hostname }}
{{ $dir := (urls.Parse $src).Path }}
{{ $file := index ((split $dir "/") | collections.Reverse) 0 }}
{{ $dir = strings.TrimSuffix $file $dir }}

{{ $adapter := (printf "assets/adapters/%s.html" $hook) }}
{{ if not (fileExists (path.Join "/layouts/_partials" $adapter)) }}
    {{ warnf "Cannot find adapter: %s" (path.Join "/layouts/_partials" $adapter) }}
    {{ $hook = "hugo" }}
    {{ $adapter = "assets/adapters/hugo.html" }}
{{ end }}

{{ $imgset := slice }}
{{ if not $args.err }}
    {{- range $index, $dim := $args.dims -}}
        {{ $width := (int (index (split $dim "x") 0)) }}
        {{ $height := (int (index (split $dim "x") 1)) }}

        {{- $element := partial $adapter (dict 
            "url-host"     $host
            "url-dir"      $dir
            "url-file"     $file
            "img"          $args.img
            "absolute-url" $absoluteURL
            "transform"    $args.transform
            "image-width"  $width
            "image-height" $height
            "format"       $args.format
            "anchor"       $args.anchor
        )}}
        {{ if $args.includeWidth }}
            {{ $imgset = $imgset | append (printf "%s %dw" $element $width) }}
        {{ else }}
            {{ $imgset = $imgset | append $element }}
        {{ end }}
    {{- end -}}
{{- end -}}

{{ return (delimit $imgset ", ") }}