{{- $productPathData := findRE "[^/]+.*?" .RelPermalink -}}
{{- $product := index $productPathData 0 -}}
{{- $version := index $productPathData 1 -}}
{{- $menuKey := print $product "_" (replaceRE `-` "_" $version) -}}
{{- $menu := index .Site.Menus $menuKey -}}
[
{{ range $index, $entry := $menu }}
  {{- if $index -}},{{- end }}
  {
    "name": {{ .Name | jsonify }},
    "url": {{ absURL (cond (isset .Params "url") .Params.url .URL) | jsonify }},
    "children": [
      {{- range $index, $entry := .Children -}}
        {{- if $index -}},{{- end }}
        {
          "name": {{ .Name | jsonify }},
          "url": {{ absURL (cond (isset .Params "url") .Params.url .URL) | jsonify }},
          "children": [
            {{- range $index, $entry := .Children -}}
            {{- if $index -}},{{- end }}
            {
              "name": {{ .Name | jsonify }},
              "url": {{ absURL (cond (isset .Params "url") .Params.url .URL) | jsonify }},
              "children": [
                {{- range $index, $entry := .Children -}}
                {{- if $index -}},{{- end }}
                {
                  "name": {{ .Name | jsonify }},
                  "url": {{ absURL (cond (isset .Params "url") .Params.url .URL) | jsonify }},
                  "children": [
                    {{- range $index, $entry := .Children -}}
                    {{- if $index -}},{{- end }}
                    {
                      "name": {{ .Name | jsonify }},
                      "url": {{ absURL (cond (isset .Params "url") .Params.url .URL) | jsonify }},
                      "children": [
                        {{- range $index, $entry := .Children -}}
                        {{- if $index -}},{{- end }}
                        {
                          "name": {{ .Name | jsonify }},
                          "url": {{ absURL (cond (isset .Params "url") .Params.url .URL) | jsonify }},
                          "children": [
                            {{- range $index, $entry := .Children -}}
                            {{- if $index -}},{{- end }}
                            {
                              "name": {{ .Name | jsonify }},
                              "url": {{ absURL (cond (isset .Params "url") .Params.url .URL) | jsonify }},
                              "children": [
                                {{- range $index, $entry := .Children -}}
                                {{- if $index -}},{{- end }}
                                {
                                  "name": {{ .Name | jsonify }},
                                  "url": {{ absURL (cond (isset .Params "url") .Params.url .URL) | jsonify }},
                                  "children": [
                                    {{ range .Children }}
                                    {{ end }}
                                  ]
                                }
                              {{ end }}
                              ]
                            }
                          {{ end }}
                          ]
                        }
                      {{ end }}
                      ]
                    }
                  {{ end }}
                  ]
                }
              {{ end }}
              ]
            }
          {{ end }}
          ]
        }
      {{ end }}
    ]
  }
{{ end }}
]