{{ $valid_states := "alpha, beta, deprecated, stable" }}
{{ $state := .Get "state" }}
{{ $for_k8s_version := .Get "for_k8s_version" }}
{{ $width := .Get "width" }}
{{ $is_valid := strings.Contains $valid_states $state }}
{{ if not $is_valid }}
{{ errorf "%q is not a valid feature-state, use one of %q" $valid_states }}
{{ else }}
{{ partial "templates/feature-state.html" (dict "ctx" . "page" .Page "state" $state "for_k8s_version" $for_k8s_version "width"  $width) }}
{{ end }}