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NavigationGlass surface

Tabs

Switches between related panels.

FrameworksAstro · React · Elements

Registry commandlumen add Tabs

InteractionEnhanced runtime

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.

AstroCode target · live preview uses Astro

All primitives are available as Astro components.

The same API surface is available in React.

Standards-based custom elements bring Lumen to framework-neutral pages.

React Native consumes the shared tokens and native component contracts.

SwiftUI provides native Apple-platform primitives.

Compose provides native Android and Wear OS primitives.

View Tabs 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.
astro
---
import {
  Tabs,
  TabsList,
  TabsPanel,
  TabsTrigger
} from '@santi020k/lumen-astro'
---

<Tabs initialValue="astro">
  <TabsList aria-label="Package targets">
    <TabsTrigger value="astro">Astro</TabsTrigger>
    <TabsTrigger value="react">React</TabsTrigger>
    <TabsTrigger value="elements">Elements</TabsTrigger>
    <TabsTrigger value="react-native">React Native</TabsTrigger>
    <TabsTrigger value="swiftui">SwiftUI</TabsTrigger>
    <TabsTrigger value="compose">Compose</TabsTrigger>
  </TabsList>
  <TabsPanel value="astro">
    <p>All primitives are available as Astro components.</p>
  </TabsPanel>
  <TabsPanel value="react">
    <p>The same API surface is available in React.</p>
  </TabsPanel>
  <TabsPanel value="elements">
    <p>Standards-based custom elements bring Lumen to framework-neutral pages.</p>
  </TabsPanel>
  <TabsPanel value="react-native">
    <p>React Native consumes the shared tokens and native component contracts.</p>
  </TabsPanel>
  <TabsPanel value="swiftui">
    <p>SwiftUI provides native Apple-platform primitives.</p>
  </TabsPanel>
  <TabsPanel value="compose">
    <p>Compose provides native Android and Wear OS primitives.</p>
  </TabsPanel>
</Tabs>
Edit Tabs in browser

Framework differences

React: Use defaultValue for the initial selection, or value and onValueChange for controlled tabs. Astro names its initial selection initialValue.

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.

bash@santi020k/lumen-astro
pnpm add @santi020k/lumen-astro
pnpm add @santi020k/lumen-astro
bashAstro wrapper
lumen add Tabs
lumen add Tabs

Glass

Add the glass prop to apply the shared blur, saturation, border, and highlight tokens. Glass reads best over vivid content, so place the surface above imagery or color.

AstroCode target · live preview uses Astro
Glass tabs get a translucent tab list, and the selected tab reads as a raised sliver of glass.
View Tabs 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.
astro
---
import { Tabs } from '@santi020k/lumen-astro'
---

<div class="docs-glass-demo">
  <Tabs glass>
    <div role="tablist">
      <button role="tab" aria-selected="true">Preview</button>
      <button role="tab">Code</button>
      <button role="tab">Tokens</button>
    </div>
    <section role="tabpanel">Glass tabs get a translucent tab list, and the selected tab reads as a raised sliver of glass.</section>
  </Tabs>
</div>
Edit Tabs in browser

API 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.

AttributeValuesDefaultDescription
glassboolean | "subtle" | "strong"falseApplies the tokenized liquid-glass surface treatment with backdrop-filter fallbacks; "subtle" and "strong" adjust the fill intensity.
indicatorbooleanfalseAdds a decorative moving marker to the selected tab. System and local reduced motion keep selection immediate.
[role="tablist"]child containerrequiredGroups the tab controls.
[role="tab"]child controlrequiredPairs with a panel by data-value or source order; the Astro runtime generates stable ARIA relationships.
[role="tabpanel"]child panelrequiredPairs with a tab by data-value or source order and hides when inactive.
initialValuestring-Astro: selects the matching data-value before interaction.
storageKeystring-Astro: persists selection and synchronizes tab groups that share this key.
ui:tabs-changeCustomEvent<LumenTabsChangeDetail>-Astro and Elements: reports the selected value; narrow horizontal lists keep the active trigger visible.
class, classNamestring""Merges custom classes with the generated ui-* root classes.
...native attributesHTML attributes-Forwards standard attributes to the root element unless the component consumes them.

Keyboard interactions

Keyboard behavior provided by the Astro UIPrimitives runtime for this component.

KeyAction
ArrowRightActivate and focus the next tab, wrapping at the end.
ArrowLeftActivate and focus the previous tab, wrapping at the start.
Home, EndActivate and focus the first or last tab.

Runtime events

CustomEvents dispatched by the Astro UIPrimitives runtime for this component.

EventTargetDetailWhen
ui:tabs-changeTabs root ([data-ui-tabs]){ storageKey?: string, value: string }Fires after pointer or keyboard activation changes the selected tab.

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