---
title: getAncestorNodes
description: The nodes above a slug, from the root down.
---

Returns the ancestors of a node, from the root down to its parent. The node itself is not included.

```ts title="src/app/docs/[...slug]/page.tsx"
const ancestors = await docsTree.getAncestorNodes(
  "guides/mutations/optimistic",
);
// TreeNodes for "guides" and "guides/mutations"
```

## Signature

```ts title="@qino/cms"
tree.getAncestorNodes(slug: Slug): Promise<Array<TreeNode>>;
```

## Parameters

| Name   | Type     | Required | Description              |
| ------ | -------- | -------- | ------------------------ |
| `slug` | `string` | yes      | Slug of the current node |

## Returns

`Promise<Array<TreeNode>>`. Empty for a root-level node.

## Throws

- `Tree entry "<slug>" not found in tree "<directory>".`
- The walk errors listed on [getTree](https://www.qino.works/docs/api/tree/get-tree).

## Example

```tsx title="src/app/docs/[...slug]/page.tsx"
const ancestors = await docsTree.getAncestorNodes(slug);

<nav aria-label="Breadcrumb">
  {ancestors.map((node) => (
    <a key={node.slug} href={`/docs/${node.slug}`}>
      {node.title}
    </a>
  ))}
</nav>;
```