Shelf is open source and in early preview
Shelf

For AI agents: the documentation index is at /llms.txt, and any docs page is available as Markdown by appending .md to its URL.

Tree view

Verified

A keyboard-navigable hierarchy with open and close branches and a single selection.

src
app.tsx
README.md

When to use

Use when
A hierarchy to browse and select from, such as files.
Avoid when
Navigation between pages; use Sidebar or Navigation Menu.

Installation

The source lands in src/components/ui/tree-view.tsx, along with any Shelf items it builds on, and .shelf/lock.json records what was installed. It's yours to edit.

Usage

Built on

Packages
@stylexjs/stylex
Shelf items
foundations, Icons, utils
Figma
Optional native Figma library. See Designers.

Verified

Size
2.3 kB gzipped on its own, 5.3 kB with the Shelf items and packages it builds on. JS and CSS in a production build, without React.
Accessibility
Axe passes on 3 stories
Behavior
3 interaction tests in Storybook
React Compiler
Compiles with React Compiler
React Doctor
React Doctor finds nothing