{{- $authorName := "" }}
{{- if .Site.Params.author }}
  {{- if reflect.IsMap .Site.Params.author }}
    {{- with .Site.Params.author.name }}
      {{- $authorName = . }}
    {{- end }}
  {{- else }}
    {{- warnf "%q: DEPRECATED usage of 'params.author' config parameter found, replace it with `params.author.name` in your config.toml; see https://mcshelby.github.io/hugo-theme-relearn/basics/migration/#5230" .File.Filename }}
    {{- $authorName = .Site.Params.author }}
  {{- end }}
{{- else }}
  {{- with .Site.Author.name }}
    {{- $authorName = . }}
    {{- $hugoVersion := "0.120.0" }}
    {{- if ge hugo.Version $hugoVersion }}
      {{- warnf "The author key in site configuration is deprecated. Use params.author.name instead." }}
    {{- end }}
  {{- end }}
{{- end }}
{{- return $authorName }}