---
// The ONLY way to render an external link. Enforces the site's link policy:
// every external anchor carries rel="noopener noreferrer" — no exceptions,
// no per-link rel overrides (that's how PR #1 smuggled follow backlinks).
interface Props {
  href: string
  class?: string
}

const { href, class: className } = Astro.props
if (!href.startsWith('https://')) {
  throw new Error(`Ext: external links must be https:// (got ${href})`)
}
---

<a href={href} target="_blank" rel="noopener noreferrer" class={className}><slot /></a>