Stable in React

Radio Group

Provides shared state to a series of radio buttons: one value, one name for the form, and arrow-key movement between them.

Loading React 19.3.1…

Hover a part or use it. The code follows. · Loading React…

201Tests passing in React · 0 failing

8.9 KiBSize

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productdevbook and 17 upstream authors12 commits · last Nov 3

Install#

One package per framework. Radio Group's parts come from it; the anatomy tab at the top shows how they nest.

bun add @▢▢▢▢/react

One part. The example uses one of them; the data does not say which are required.

RadioGroupProvides shared state to a series of radio buttons.

Examples#

The demo at the top is the one example this component has so far.

Styling and accessibility#

The parts ship no styles. Style their states with these attributes; the CSS tab at the top has a sheet. The same CSS works in all five frameworks.

[data-disabled]Present when the radio group is disabled. On RadioGroup.

Keyboard

ArrowDownArrowUpArrowLeftArrowRightMoves to the next or previous radio and selects it On RadioGroup.
SpaceSelects the focused radio On RadioGroup.
EnterDoes not select, as with native radios On RadioGroup.
TabLeaves the group in one step On RadioGroup.

Set for you

role="radiogroup"the radios are announced as one setRadioGroup
aria-labelledby to the Field label or the Fieldset legendthe set is read with its questionRadioGroup
aria-disabled, aria-readonly, aria-required from disabled, readOnly and requiredthe group's constraints are announcedRadioGroup

API reference#

9 props across 1 parts, in React syntax, and className, style, render once for every part. Open a row to try it.

Filter props

RadioGroup · all parts

Shared propsEvery part that renders an element takes these.

classNameCSS class applied to the element, or a function that returns a class based on the component's state.string | ((state: State) => string | undefined)

styleStyle applied to the element, or a function that returns a style object based on the component's state.React.CSSProperties | ((state: State) => React.CSSProperties | undefined)

renderAllows you to replace the component's HTML element with a different tag, or compose it with another component.React.ReactElement<unknown, string | React.JSXElementConstructor<any>> | ComponentRenderFn<HTMLProps, State>

Use it in React#

What differs from the React API. Switch the framework at the top of the page.

@▢▢▢▢/react is the React 19 package. Its parts, props, data attributes and error messages are upstream Base UI's, and upstream's own tests run against it.

Parts
Each component is its own entry point and exports one namespace named after it.
```
import { Switch } from '@base-ui-next/react/switch'

export function Example() {
  return (
    <Switch.Root>
      <Switch.Thumb />
    </Switch.Root>
  )
}
```
A part renders the element its API reference names, such as a <span> for Switch.Root.
Props and events
Props and callbacks have upstream's names and signatures: onCheckedChange(checked, details), onOpenChange(open, details), onValueChange(value, details). details carries reason, event, cancel() and allowPropagation(). Native handlers are React's (onClick, onKeyDown), and event.preventBaseUIHandler() stops a part's own handler.
Styling
className takes a string or a function (state) => string; style takes an object or a function (state) => object. The state's data-* attributes are on the element for CSS.
render
render takes an element (render={<a href="/docs" />}) or a function (props, state) => element that spreads props on what it returns.
Refs
ref reaches the part's element. Imperative handles are ref props, as upstream: inputRef, and actionsRef ({ validate } on Field and Form, { unmount, close } on Dialog).
Binding
A part is controlled when its value prop (checked, open, value) is set, and uncontrolled with the default form (defaultChecked, defaultOpen, defaultValue). React has no two-way binding: pair the value with its change callback.
From @base-ui/react
Change the import from @base-ui/react/<component> to @▢▢▢▢/react/<component>.
From @base-ui/react
Nothing else changes: props, parts, data attributes and errors are the same.