website/layouts/index.json

{{ define "main" }}
{
    {{ $postsDir := .Site.Params.Posts | default (slice "posts" "post") }}
    {{ $postsList := where .Site.RegularPages "Section" "in" $postsDir }}
    "page": "{{ .Paginator.PageNumber }}",
    "next": {{ if .Paginator.HasNext }}
        {{ .Paginator.Next.URL | absURL | jsonify }}
    {{ else }}""{{ end }},
    "articles": [
        {{ range $i, $e := (.Paginate $postsList).Pages }}
            {{ if $i }}, {{ end }}{
                "ignore": {{ not (in $postsDir .Section) | jsonify }},
                "title": {{ .Title | jsonify }},
                "date": {{ .Date.Format "2006-01-02" | jsonify }},
                "tags": {{ if .Params.tags }}
                            {{ .Params.tags | jsonify }}
                        {{ else }}
                            []
                        {{ end }},
                "summary": {{ .Summary | jsonify }},
                "link": "{{ .Permalink }}"
                {{ if .Site.Params.imageInArticlePreview }}
                    , "image": {{ if .Params.Image }}
                            {{ .Params.Image | jsonify }}{{ else }}""
                    {{ end }}
                {{ end }}
            }
        {{ end }}
    ]
}
{{ end }}