# Collapsible

An interactive component which expands/collapses a panel.

> For the complete documentation index, see [llms.txt](/llms.txt). Markdown variants are available by appending `.md` to any URL or sending an `Accept: text/markdown` header. An agent skill is available at [/.well-known/agent-skills/site-skill.md](/.well-known/agent-skills/site-skill.md).



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

## Installation [#installation]

<Tabs defaultValue="cli">
  <TabsList>
    <TabsTrigger value="cli">
      Command
    </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 showLineNumbers
import {
  Collapsible,
  CollapsibleContent,
  CollapsibleTrigger,
} from "@/components/ui/collapsible";
```

```tsx showLineNumbers
<Collapsible>
  <CollapsibleTrigger>Can I use this in my project?</CollapsibleTrigger>
  <CollapsibleContent>
    Yes. Free to use for personal and commercial projects. No attribution
    required.
  </CollapsibleContent>
</Collapsible>
```

## Composition [#composition]

Use the following composition to build a `Collapsible`:

```text
Collapsible
├── CollapsibleTrigger
└── CollapsibleContent
```

## Controlled State [#controlled-state]

Use the `open` and `onOpenChange` props to control the state.

```tsx showLineNumbers
import * as React from "react";

export function Example() {
  const [open, setOpen] = React.useState(false);

  return (
    <Collapsible open={open} onOpenChange={setOpen}>
      <CollapsibleTrigger>Toggle</CollapsibleTrigger>
      <CollapsibleContent>Content</CollapsibleContent>
    </Collapsible>
  );
}
```

## Basic [#basic]

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

## Settings Panel [#settings-panel]

Use a trigger button to reveal additional settings.

<ComponentPreview name="collapsible-settings" />

## File Tree [#file-tree]

Use nested collapsibles to build a file tree.

<ComponentPreview name="collapsible-file-tree" previewClassName="h-[36rem]" />

## RTL [#rtl]

To enable RTL support in shadcn/ui, see the [RTL configuration guide](/docs/rtl).

<ComponentPreview name="collapsible-rtl" direction="rtl" align="start" />

## API Reference [#api-reference]

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