Function isConfigLeafNode

src/utils.ts:64–66

(node: { kind: string; language?: string })

 * needs it can read the file directly. (#383)
 */
export function isConfigLeafNode(node: { kind: string; language?: string }): boolean {
  return node.kind === 'constant' && !!node.language && CONFIG_LEAF_LANGUAGES.has(node.language);
}

/**
 * Whether `child` is `parent` itself or sits underneath it. Case-insensitive on