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Version 0.8.2 - Alpha
Tabs
component

Tabs

A component for toggling between related panels on the same page.

Usage

import { Tabs } from '@backstage/ui';

<Tabs>
  <TabList>
    <Tab id="tab-1">Tab 1</Tab>
    <Tab id="tab-2">Tab 2</Tab>
    <Tab id="tab-3">Tab 3</Tab>
  </TabList>
  <TabPanel id="tab-1">Content for Tab 1</TabPanel>
  <TabPanel id="tab-2">Content for Tab 2</TabPanel>
  <TabPanel id="tab-3">Content for Tab 3</TabPanel>
</Tabs>

API reference

Tabs

Groups the tabs and the corresponding panels. Renders a <div> element.

PropTypeDefaultResponsive
isDisabled
boolean
-No
disabledKeys
string[]
-No
selectedKey
stringnull
-No
defaultSelectedKey
string
-No
onSelectionChange
(key: string) => void
-No
children
ReactNode
-No
className
string
-No
style
CSSProperties
-No

Tab

An individual interactive tab button that toggles the corresponding panel. Renders a <button> element.

PropTypeDefaultResponsive
id
string
-No
isDisabled
boolean
-No
href
string
-No
hrefLang
string
-No
target
HTMLAttributeAnchorTarget
-No
rel
string
-No
matchStrategy
exactprefix
-No
onHoverStart
(e: HoverEvent) => void
-No
onHoverEnd
(e: HoverEvent) => void
-No
onHoverChange
(isHovering: boolean) => void
-No
children
ReactNode
-No
className
string
-No
style
CSSProperties
-No

Examples

Simple tabs

To connect the tabs with the panels, you need to use the id prop on the tab and the tab panel.

Settings panel content goes here
<Tabs>
  <TabList>
    <Tab id="settings">Settings</Tab>
    <Tab id="profile">Profile</Tab>
    <Tab id="preferences">Preferences</Tab>
  </TabList>
  <TabPanel id="settings">Settings panel content goes here</TabPanel>
  <TabPanel id="profile">Profile panel content goes here</TabPanel>
  <TabPanel id="preferences">Preferences panel content goes here</TabPanel>
</Tabs>

Tabs as links

You can use the href prop on the tab to make it a link. This will use the react-router under the hood to navigate to the tab. We automatically detect if this is an external URL and render a <a> element instead of a <button>.

Tab 1Tab 2Tab 3 With long title

Current URL is mocked to be: /tab2

Notice how the "Tab 2" tab is selected (highlighted) because it matches the current path.

<Tabs>
  <TabList>
    <Tab id="tab-1" href="/tab-1">Tab 1</Tab>
    <Tab id="tab-2" href="/tab-2">Tab 2</Tab>
    <Tab id="tab-3" href="/tab-3">Tab 3 With long title</Tab>
  </TabList>
</Tabs>

With deeply nested routes

You can use the matchStrategy prop on the tab to control how the tab is matched to the current URL.

HomeCatalogMentorship

Current URL: /catalog/users/john/details

The "Catalog" tab is active because it uses prefix matching and the URL starts with "/catalog".

This works for any level of nesting under "/catalog".

<Tabs>
  <TabList>
    <Tab id="home" href="/home">Home</Tab>
    <Tab id="catalog" href="/catalog" matchStrategy="prefix">Catalog</Tab>
    <Tab id="mentorship" href="/mentorship" matchStrategy="prefix">Mentorship</Tab>
  </TabList>
</Tabs>

Theming

Our theming system is based on a mix between CSS classes, CSS variables and data attributes. If you want to customise this component, you can use one of these class names below.

Changelog