Layout
Collapsible
Shows and hides one optional content region.
01
See it and copy it
Framework example
Choose Astro, React, or Elements to compare native usage against the shared visual output. Each example assumes the framework-level setup is already complete.
Advanced filters
Environment, region, and framework filters.
View Collapsible code
Framework usage
Switch targets to compare the adapter code. This live preview runs the Astro example. React and Elements use their own behavior APIs; complete the matching framework setup before copying an example.---
import { Collapsible } from '@santi020k/lumen-astro'
---
<Collapsible>
<summary>Advanced filters</summary>
<p>Environment, region, and framework filters.</p>
</Collapsible>import { Collapsible } from '@santi020k/lumen-react'
export const Example = () => (
<>
<Collapsible>
<summary>Advanced filters</summary>
<p>Environment, region, and framework filters.</p>
</Collapsible>
</>
)<script type="module">
import { defineLumenElements } from '@santi020k/lumen-elements/define'
defineLumenElements()
</script>
<lumen-collapsible>
<summary>Advanced filters</summary>
<p>Environment, region, and framework filters.</p>
</lumen-collapsible>02
Choose your target
Add this component
Choose the package for your runtime. All adapters share the Lumen stylesheet. Use the matching registry command when you want a local wrapper for that framework.
pnpm add @santi020k/lumen-astropnpm add @santi020k/lumen-astrolumen add Collapsiblelumen add Collapsiblepnpm add @santi020k/lumen-reactpnpm add @santi020k/lumen-reactlumen add Collapsible --target reactlumen add Collapsible --target reactpnpm add @santi020k/lumen-elementspnpm add @santi020k/lumen-elementslumen add Collapsible --target elementslumen add Collapsible --target elementsAPI reference
Lumen-specific props and runtime attributes for the Astro primitive. Use the framework differences above and the copyable examples for React composition and Elements attributes; the public adapter types define their supported contracts.
| Attribute | Values | Default | Description |
|---|---|---|---|
| open | boolean | false | Uses the native details open state to show the collapsible content. |
| children | summary and flow content | required | Requires a summary trigger followed by the content controlled by native details behavior. |
| class, className | string | "" | Merges custom classes with the generated ui-* root classes. |
| ...native attributes | HTML attributes | - | Forwards standard attributes to the root element unless the component consumes them. |