{{ $valid_states := "alpha, beta, deprecated, stable" }}
{{ $project := .Get "project" | default "Kueue" }}
{{ $state := .Get "state" }}
{{ $for_version := .Get "for_version" | default (.Page.Param "version")}}
{{ $is_valid := strings.Contains $valid_states $state }}

{{ if not $is_valid }}
{{ errorf "%q is not a valid feature-state, use one of %q" $state $valid_states }}
{{ else }}
<div class="feature-state-notice feature-{{ $state }}">
  <span class="feature-state-name">Feature state</span> {{ $state }} since {{ $project }} {{ $for_version }}
</div>
{{ end }}