# Animated File Tree Primitives

> Composable, unstyled file-tree primitives with an animated hover highlight, spring folder expand and collapse, and an animated open/close folder icon swap.

- Author: [Unlumen UI](https://21st.dev/@unlumen)
- License: no-license
- Tags: File Tree, Folder, Animated, Tree, File
- npm dependencies: motion
- Live preview: https://21st.dev/@unlumen/components/primitives-animate-files

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/unlumen/primitives-animate-files?api_key=$API_KEY_21ST"
```

Requires a 21st API key (generate one at https://21st.dev/mcp) passed as `API_KEY_21ST`. Free accounts get a limited number of installs per day; unlimited on a paid plan — see https://21st.dev/pricing.

Full component directory: https://21st.dev/llms.txt · More like this: https://21st.dev/community/components/s/file-tree.md