{{ if fileExists (path.Join "/static" "apple-touch-icon.png") -}}
<link rel="apple-touch-icon" href="{{ "apple-touch-icon.png" | relURL }}">
{{ end -}}
{{ if fileExists (path.Join "/static" "favicon.svg") -}}
<link rel="icon" type="image/svg+xml" href="{{ "favicon.svg" | relURL }}">
{{ end -}}
{{ if fileExists (path.Join "/static" "site.webmanifest") -}}
<link rel="manifest" href="{{ "site.webmanifest" | relURL }}">
{{ end -}}
{{ $favname := "" -}}
{{ $favsizes := slice "512x512" "256x256" "128x128" "96x96" "48x48" "32x32" "16x16" -}}
{{ range $favsizes -}}
{{ $favname = (printf "favicon-%s.png" .) -}}
{{ if fileExists (path.Join "/static" $favname) -}}
<link rel="icon" type="image/png" {{ printf "sizes=%q" . | safeHTMLAttr }} href="{{ $favname | relURL }}">
{{ end -}}
{{ end -}}