{{/* Function to get logo image. */}}
{{/* Inputs: constraint: max_height/fit (str); size (int) */}}
{{/* Output: resource (obj) */}}

{{/* Workaround fact Hugo does not support GetMatch in assets dir */}}
{{/* Hugo doesn't support image ops on SVG: https://discourse.gohugo.io/t/ho-do-i-convert-a-generic-resource-to-image-resource/22570/4 */}}
{{ $logo := resources.Get "images/logo.png" | default (resources.Get "images/logo.svg") }}
{{ $logo_proc := $logo }}

{{/* If the type of image can be resized by Hugo, resize it given a `.size` argument to the function. */}}
{{ if resources.Get "images/logo.png" }}
  {{ if eq .constraint "max_height" }}
    {{/* Resize logo to fit specified max height. */}}
    {{ $logo_proc = ($logo.Resize (printf "x%s" (string .size))) }}
  {{ else }}
    {{/* Constrain logo to fit within specified dimensions. */}}
    {{ $logo_proc = ($logo.Fit (printf "%sx%s" (string .size) (string .size))) }}
  {{ end }}
{{ end }}

{{ return $logo_proc }}