{{- $pages := slice -}}

{{- range .Site.RegularPages -}}
  {{- $summary := .Summary -}}
  {{- if not $summary -}}
    {{- $summary = .Description -}}
  {{- end -}}

  {{- $pages = $pages | append (dict
    "title"     .Title
    "permalink" .Permalink
    "section"   .Section
    "summary"   (plainify $summary)
  ) -}}
{{- end -}}

{{- dict "pages" $pages | jsonify -}}