imagekit.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.
*/}}

{{ $error := false }}

{{ $anchorMap := dict
    "TopLeft"     "top_left"
    "Top"         "top"
    "TopRight"    "top_right"
    "Left"        "left"
    "Center"      "center"
    "Right"       "right"
    "BottomLeft"  "bottom_left"
    "Bottom"      "bottom"
    "BottomRight" "bottom_right"
    "Smart"       "auto"
}}

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

{{/* Initialize arguments */}}
{{ $file := or $args.urlFile $args.file }}
{{ if not $file }}
    {{ partial "utilities/LogErr.html" (dict 
        "partial" "assets/adapter/imagekit.html" 
        "msg"     "Invalid arguments"
        "details" slice "argument 'url-file': expected value"
        "file"    page.File
    )}}
    {{ $error = true }}
{{ end }}
{{ $dir := or $args.urlDir $args.dir }}
{{ $host := or $args.urlHost $args.host }}
{{ $format := $args.format }}
{{ $transform := $args.transform }}
{{ $anchor := "" }}
{{ with $args.anchor }}{{ $anchor = index $anchorMap . }}{{ end }}
{{ if eq $transform "fill" }}{{ $transform = "c-maintain_ratio" }}{{ else }}{{ $transform = "c-at_max" }}{{ end }}
{{ $element := "" }}
{{ $height := or $args.imageHeight $args.height -}}
{{ $width := or $args.imageWidth $args.width -}}

{{/* Validate image format is supported */}}
{{ if and $format (not (in (slice "jpg" "jpeg" "webp" "avif" "png") $format)) }}
    {{ warnf "Image format not supported by ImageKit.io: %s.%s" (path.BaseName $file) $format }}
    {{ $format = "jpg" }}
{{ end }}

{{/* Split path between end point and image path */}}
{{ $newdir := printf "/%s" (index (split $dir "/") 1) }}
{{ $file = partial "utilities/URLJoin.html" (dict "elements" (slice (strings.TrimPrefix $newdir $dir) $file)) }}
{{ $dir = $newdir }}

{{/* Generate image URL */}}
{{ if not $error }}
    {{ $operation := "" }}
    {{ if $format }}
        {{ $operation = printf "tr:f-%s,%s,h-%d,w-%d" $format $transform $height $width }}
    {{ else }}
        {{ $operation = printf "tr:f-auto,%s,h-%d,w-%d" $transform $height $width }}
    {{ end }}
    {{ with $anchor }}
        {{ $operation = printf "%s,fo-%s" $operation . }}
    {{ end }}
    {{- $element = partial "utilities/URLJoin.html" (dict "elements" (slice "https://" $host $dir $operation $file)) -}}
{{ end }}

{{ return $element }}