consul/ui/packages/consul-ui/app/templates/dc/show.hbs

<Route
  @name={{routeName}}
as |route|>
  <AppView>
    <BlockSlot @name="header">
      <h1>
        <route.Title @title={{compute (fn route.t 'title')}} />
      </h1>
    </BlockSlot>
    <BlockSlot @name="toolbar">
    </BlockSlot>
    <BlockSlot @name="nav">

{{#let
    (from-entries (array
      (array 'serverstatus' (compute (fn route.exists 'serverstatus')))
      (array 'cataloghealth' false)
      (array 'license' (compute (fn route.exists 'license')))
    ))
as |tabs|}}

  {{#let (without false
    (values tabs)
  ) as |tabsEnabled|}}

{{#if (gt tabsEnabled.length 1)}}
      <TabNav @items={{
        compact
          (array
(if tabs.serverstatus
            (hash
              label=(compute (fn route.t 'serverstatus.title'))
              href=(href-to "dc.show.serverstatus")
              selected=(is-href "dc.show.serverstatus")
            )
'')
(if tabs.cataloghealth
            (hash
              label=(compute (fn route.t 'cataloghealth.title'))
              href=(href-to 'dc.show.cataloghealth')
              selected=(is-href 'dc.show.cataloghealth')
            )
'')
(if tabs.license
            (hash
              label=(compute (fn route.t 'license.title'))
              href=(href-to 'dc.show.license')
              selected=(is-href 'dc.show.license')
            )
          )
'')
      }}/>
{{/if}}

  {{/let}}
{{/let}}
    </BlockSlot>
    <BlockSlot @name="content">
      <Outlet
        @name={{routeName}}
        @model={{route.model}}
      as |o|>
        {{outlet}}
      </Outlet>
    </BlockSlot>

  </AppView>
</Route>