--- import type { HTMLTag } from 'astro/types' // Form hint text (.form-hint). // `as` must stay out of the Props body: Astro's frontmatter scanner bails on a member // literally named `as` and silently falls back to untyped props. type PolymorphicProps = { as?: HTMLTag } interface Props extends PolymorphicProps { class?: string /** id so a control can reference the hint via aria-describedby */ id?: string | undefined } const { as: Tag = 'div', class: className, id }: Props = Astro.props ---