website-theme/layouts/_default/list.json

[{{ range $index, $page := .Pages }}{{ if ne $index 0 }},{{ end }}
    {
        "ref": "{{ $page.Permalink }}",
        "title": {{ $page.Title | jsonify }},
        "section": "{{ $page.Section }}",
        "tags": {{ $page.Params.tags | jsonify }},
        "date" : {{ $page.Date.Format "2006.01.02" | jsonify }},
        "body": {{ $page.Plain | jsonify }}
    }
{{ end }}]