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---
title: <svelte:self>
---
Svelte provides a variety of built-in elements. The first, `<svelte:self>`, allows a component to contain itself recursively.
It's useful for things like this folder tree view, where folders can contain *other* folders. In `Folder.svelte` we want to be able to do this...
```html
{#if file.files}
<Folder {...file}/>
{:else}
<File {...file}/>
{/if}
```
...but that's impossible, because a module can't import itself. Instead, we use `<svelte:self>`:
```html
{#if file.files}
<svelte:self {...file}/>
{:else}
<File {...file}/>
{/if}
```