hugo-theme-stack/layouts/_partials/helper/image.html

/// Params:
///     Resources: Where to search for images
///     Image: Image URL
///     Context: page context (used to access the configuration)

/// Returns:
///     Resource: Hugo image resource object
///     Permalink: Image URL
///     Height: Image height
///     Width: Image width

{{ $result := dict }}

{{ if .Image }}
    {{ $url := urls.Parse .Image }}
    {{ $permalink := .Image }}
    {{ $resource := "" }}
    {{ $local := true }}

    {{ if not (in (slice "https" "http") $url.Scheme) }}
        {{/* Local image */}}
        {{ $resource = .Resources.Get (printf "%s" (.Image | safeURL)) }}
    {{ else }}
        {{/* Remote image */}}
        {{ with try (resources.GetRemote $url) }}
            {{ with .Err }}
                {{ errorf "%s" . }}
            {{ else with .Value }}
                {{ $resource = . }}
                {{ $local = false }}
            {{ else }}
                {{ errorf "Unable to get remote resource %q" $url }}
            {{ end }}
        {{ end }}   
    {{ end }}

    {{ if $resource }}
        {{ if and .Context.Site.Params.imageProcessing.autoOrient (reflect.IsImageResourceProcessable $resource) }}
            {{ $filter := images.AutoOrient }}
            {{ $resource = $resource | images.Filter $filter }}
        {{ end }}

        {{ if $local }}
            {{ $permalink = $resource.RelPermalink }}
        {{ end }}

        {{ if reflect.IsImageResourceWithMeta $resource }}
            {{ $result = dict
                "Resource" $resource
                "Permalink" $permalink
                "Height" $resource.Height
                "Width" $resource.Width
            }}
        {{ else }}
            {{ $result = dict
                "Resource" $resource
                "Permalink" $permalink
                "Height" nil
                "Width" nil
            }}
        {{ end }}
    {{ end }}
{{ end }}

{{ return $result }}