{{- $src := "" -}}
{{- $caption := "" -}}
{{- $title := "" -}}
{{- $alt := "" -}}

{{- if reflect.IsMap . -}}
  {{- $src = .src -}}
  {{- $caption = .caption | default "" -}}
  {{- $title = .title | default $caption | plainify -}}
  {{- $alt = .alt | default $title | plainify -}}
{{- else -}}
  {{- $src = . -}}
{{- end -}}

{{- return (dict "src" $src "caption" $caption "title" $title "alt" $alt) -}}