Function isCustomComponentTag

packages/extension/utils/component.ts:283–288

(tag: string)

}

function isCustomComponentTag(tag: string): boolean {
  // React/Vue components are usually PascalCase; custom elements contain a hyphen.
  if (!tag) return false
  const first = tag[0]
  return first === first.toUpperCase() || tag.includes('-')
}

const VOID_HTML_TAGS = new Set([
  'area',