{{ $last := sub (len .Params.contributors) 1 }}
Posted {{ .PublishDate.Format "January 2, 2006" }} by {{ if .Params.contributors -}}{{ range $index, $contributor := .Params.contributors }}{{ if gt $index 0 }}{{ if eq $index $last }} and {{ else }}, {{ end }}{{ end }}{{ . }}{{ end -}}{{ end -}} ‐ {{ .ReadingTime -}} min read