nostyleplease/layouts/partials/menu_item.html

<ul>
    {{- range $item := .collection -}}
        <li>
            {{- with $item.url -}}
                <a href="{{ $item.url | relURL }}">{{ safeHTML $item.title }}</a>
            {{- else -}}
                {{ safeHTML $item.title }}
            {{- end -}}
        </li>

        {{- if $item.entries }}
            {{ partial "menu_item.html" (dict "context" . "collection" $item.entries) }}
        {{- end -}}

        {{- if $item.post_list -}}
            {{ partial "post_list.html" (dict "context" . "section" $item.post_list.section "limit" $item.post_list.limit "show_more" $item.post_list.show_more "show_more_text" $item.post_list.show_more_text "show_more_url" $item.post_list.show_more_url) -}}
        {{- end -}}
    {{- end -}}
</ul>