# Collapsible

An interactive component which expands/collapses a panel.

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<ComponentPreview name="collapsible-demo" align="start">
  <CollapsibleDemo />
</ComponentPreview>

## Installation [#installation]

<Tabs defaultValue="cli">
  <TabsList>
    <TabsTrigger value="cli">
      CLI
    </TabsTrigger>

    <TabsTrigger value="manual">
      Manual
    </TabsTrigger>
  </TabsList>

  <TabsContent value="cli">
    ```bash
    npx shadcn@latest add https://shadcn-cssinjs.com/r/collapsible.json
    ```
  </TabsContent>

  <TabsContent value="manual">
    <Steps>
      <Step>
        Install the following dependencies:
      </Step>

      ```bash
      pnpm add @base-ui/react @stylexjs/stylex
      ```

      <Step>
        Make sure [StyleX is configured](/docs/installation) and the design tokens are
        installed.
      </Step>

      <Step>
        Copy and paste the following code into your project.
      </Step>

      <ComponentSource name="collapsible" title="collapsible.tsx" />

      <Step>
        Update the import paths to match your project setup.
      </Step>
    </Steps>
  </TabsContent>
</Tabs>

## Usage [#usage]

```tsx
import {
  Collapsible,
  CollapsibleContent,
  CollapsibleTrigger,
} from "@/components/ui/collapsible/collapsible";
```

```tsx
<Collapsible>
  <CollapsibleTrigger>Can I use this in my project?</CollapsibleTrigger>
  <CollapsibleContent>
    Yes. Free to use for personal and commercial projects.
  </CollapsibleContent>
</Collapsible>
```

## Composition [#composition]

Use the following composition to build a `Collapsible`:

```txt
Collapsible
├── CollapsibleTrigger
└── CollapsibleContent
```

## Examples [#examples]



### Basic [#basic]

A basic collapsible inside a card.

<ComponentPreview name="collapsible-basic" align="start">
  <CollapsibleBasic />
</ComponentPreview>

### Settings Panel [#settings-panel]

Use a collapsible to progressively disclose advanced options.

<ComponentPreview name="collapsible-settings" align="start">
  <CollapsibleSettings />
</ComponentPreview>

### File Tree [#file-tree]

Compose nested collapsibles to build a file tree.

<ComponentPreview name="collapsible-file-tree" align="start">
  <CollapsibleFileTree />
</ComponentPreview>



## RTL [#rtl]

To enable right-to-left support, see the [RTL guide](/docs/rtl).

<ComponentPreview name="collapsible-rtl" direction="rtl">
  <CollapsibleRtl />
</ComponentPreview>

## API Reference [#api-reference]

See the [Base UI](https://base-ui.com/react/components/collapsible#api-reference)
documentation for the full API.