Switch
Control that turns a single setting on or off.
- Browsers
- Chrome 123+, Firefox 121+, Safari 17.5+
- Tier
- 0
- Bundle compressed
- 319 B
- Forced layout budget
- 0 ms
- Axe budget
- 0
- SSR compatible
- Yes
- Published contract
- Test harness
Playground
Switch
Default
Disabled
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import { Switch } from "@gunkin/uiify";
export default function Example() {
return <Switch className="" aria-label="Email notifications" defaultChecked />;
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/* Checkbox, Radio, Switch — all native <input>s styled with appearance:none.
State comes from :checked / :indeterminate (works uncontrolled) and the
[data-state] / [data-disabled] attributes (set when controlled). Thumbs and
checkmarks are pseudo-elements on the input itself. */
@layer components {
:where([data-uiify-checkbox] > input, [data-uiify-radio]) {
appearance: none;
inline-size: 1.25rem;
block-size: 1.25rem;
margin: 0;
border: var(--border-width) solid var(--input);
background-color: var(--card);
display: inline-grid;
place-content: center;
cursor: pointer;
transition: var(--transition-colors);
}
[data-uiify-checkbox] {
--uiify-checkbox-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.6 8.6l3 3L12.4 4.8' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")
center / 100% 100% no-repeat;
display: inline-flex;
align-items: center;
gap: var(--space-sm);
cursor: pointer;
user-select: none;
color: var(--foreground);
font-size: var(--text-sm);
line-height: var(--leading-normal);
}
[data-uiify-checkbox] > input {
border-radius: var(--radius-xs);
corner-shape: squircle;
}
[data-uiify-radio] {
border-radius: var(--radius-full);
}
/* Checked fill (covers controlled [data-state] and uncontrolled :checked). */
[data-uiify-checkbox] > input:checked,
[data-uiify-checkbox] > input[data-state="checked"] {
border-color: var(--primary);
background-color: var(--primary);
}
/* Radio checked state is a thick accent ring around a white center, not a
filled dot — matches the 2a/2b handoff's target/bullseye radio anatomy. */
[data-uiify-radio]:checked,
[data-uiify-radio][data-state="checked"] {
border-width: 5px;
border-color: var(--primary);
background-color: var(--card);
}
/* Checkmark. */
[data-uiify-checkbox] > input::before {
content: "";
inline-size: 1rem;
block-size: 1rem;
transform: scale(0);
transition: transform var(--duration-fast) var(--ease-out);
background-color: var(--primary-foreground);
mask: var(--uiify-checkbox-mask);
}
[data-uiify-checkbox] > input:checked::before,
[data-uiify-checkbox] > input[data-state="checked"]::before {
transform: scale(1);
}
/* Indeterminate dash. */
[data-uiify-checkbox] > input:indeterminate,
[data-uiify-checkbox] > input[data-state="indeterminate"] {
border-color: var(--primary);
background-color: var(--primary);
}
[data-uiify-checkbox] > input:indeterminate::before,
[data-uiify-checkbox] > input[data-state="indeterminate"]::before {
transform: scale(1);
mask: none;
clip-path: inset(42% 12% 42% 12%);
}
:where([data-uiify-checkbox] > input, [data-uiify-radio]):disabled,
:where([data-uiify-checkbox] > input, [data-uiify-radio])[data-disabled] {
opacity: 0.5;
cursor: not-allowed;
}
[data-uiify-checkbox]:has(> input:disabled) {
opacity: 0.5;
cursor: not-allowed;
}
[data-uiify-radio-group] {
display: flex;
flex-direction: column;
gap: var(--space-md);
}
/* Switch — a pill track with a sliding thumb pseudo-element. */
[data-uiify-switch] {
appearance: none;
position: relative;
inline-size: 2.25rem;
block-size: 1.25rem;
margin: 0;
flex: none;
border: none;
border-radius: var(--radius-full);
background-color: var(--input);
cursor: pointer;
transition: background-color var(--duration-fast) var(--ease-out);
}
[data-uiify-switch]::before {
content: "";
position: absolute;
inset-block-start: 2px;
inset-inline-start: 2px;
inline-size: calc(1.25rem - 4px);
block-size: calc(1.25rem - 4px);
border-radius: var(--radius-full);
background-color: var(--gray-0);
box-shadow: var(--shadow-1);
transition: translate var(--duration-fast) var(--ease-out);
}
[data-uiify-switch]:checked,
[data-uiify-switch][data-state="checked"] {
background-color: var(--primary);
}
[data-uiify-switch]:checked::before,
[data-uiify-switch][data-state="checked"]::before {
translate: 1rem 0;
}
[data-uiify-switch]:disabled,
[data-uiify-switch][data-disabled] {
opacity: 0.5;
cursor: not-allowed;
}
}
@layer components {
label:has([data-uiify-radio]),
[data-uiify-radio-group] label {
user-select: none;
cursor: pointer;
}
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import { Switch } from "@gunkin/uiify";
export default function Example() {
return (
<Switch
className="
focus-visible:[outline:none]
focus-visible:[box-shadow:0_0_0_var(--ring-width)_color-mix(in_oklch,_var(--ring)_16%,_transparent)]
appearance-none relative [inline-size:2.25rem] [block-size:1.25rem] m-0 flex-none border-0 border-current
border-none rounded-[var(--radius-full)] bg-input cursor-pointer
[transition:background-color_var(--duration-fast)_var(--ease-out)] before:content-[''] before:absolute
before:[inset-block-start:2px] before:[inset-inline-start:2px] before:[inline-size:calc(1.25rem_-_4px)]
before:[block-size:calc(1.25rem_-_4px)] before:rounded-[var(--radius-full)]
before:[background-color:var(--gray-0)] before:[box-shadow:var(--shadow-1)]
before:[transition:translate_var(--duration-fast)_var(--ease-out)] checked:bg-primary
data-[state=checked]:bg-primary checked:before:[translate:1rem_0] data-[state=checked]:before:[translate:1rem_0]
disabled:opacity-50 disabled:cursor-not-allowed data-[disabled]:opacity-50 data-[disabled]:cursor-not-allowed
"
aria-label="Email notifications"
defaultChecked
/>
);
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/* app.css */
@layer reset, ui, app, tokens, base, demo, components, utilities, theme;
@import "@gunkin/uiify/styles/reset";
@import "@gunkin/uiify/components/behavior.css";
@import "@gunkin/uiify/styles/tokens";
@import "@gunkin/uiify/styles/tailwind";
@import "tailwindcss/utilities.css";
@theme { --spacing: 0.25rem; --font-weight-normal: 400; --font-weight-medium: 500; --font-weight-semibold: 600; --font-weight-bold: 700; }
@source inline('focus-visible:[outline:none] focus-visible:[box-shadow:0_0_0_var(--ring-width)_color-mix(in_oklch,_var(--ring)_16%,_transparent)] appearance-none relative [inline-size:2.25rem] [block-size:1.25rem] m-0 flex-none border-0 border-current border-none rounded-[var(--radius-full)] bg-input cursor-pointer [transition:background-color_var(--duration-fast)_var(--ease-out)] before:absolute before:[inset-block-start:2px] before:[inset-inline-start:2px] before:[inline-size:calc(1.25rem_-_4px)] before:[block-size:calc(1.25rem_-_4px)] before:rounded-[var(--radius-full)] before:[background-color:var(--gray-0)] before:[box-shadow:var(--shadow-1)] before:[transition:translate_var(--duration-fast)_var(--ease-out)] checked:bg-primary data-[state=checked]:bg-primary checked:before:[translate:1rem_0] data-[state=checked]:before:[translate:1rem_0] disabled:opacity-50 disabled:cursor-not-allowed data-[disabled]:opacity-50 data-[disabled]:cursor-not-allowed');
@source inline("before:content-['']");
@layer base { :root { --uiify-control-text: var(--text-sm); } @media (pointer: coarse) { :root { --uiify-control-text: var(--text-base); } } }
/* Authored animation and registered properties used by the Tailwind skin.
* Visual rules belong in utility recipes; only at-rule definitions live here. */
@layer components {
@keyframes uiify-presence-in {
from {
opacity: 0;
scale: var(--presence-scale);
}
}
}
@layer components {
@keyframes uiify-presence-out {
to {
opacity: 0;
scale: var(--presence-scale);
}
}
}
@property --uiify-spinner-tail {
syntax: "<angle>";
inherits: false;
initial-value: 0deg;
}
@property --uiify-spinner-length {
syntax: "<angle>";
inherits: false;
initial-value: 36deg;
}
@layer components {
@keyframes uiify-spinner-rotate {
to {
transform: rotate(360deg);
}
}
}
@layer components {
@keyframes uiify-spinner-orbit {
0% {
--uiify-spinner-tail: 0deg;
--uiify-spinner-length: 36deg;
}
50% {
--uiify-spinner-tail: 90deg;
--uiify-spinner-length: 324deg;
}
100% {
--uiify-spinner-tail: 360deg;
--uiify-spinner-length: 36deg;
}
}
}
@layer components {
@keyframes uiify-skeleton-pulse {
50% {
opacity: 0.45;
}
}
}
@layer components {
@keyframes uiify-skeleton-shimmer {
to {
background-position: -200% 0;
}
}
}
@layer components {
@keyframes uiify-skeleton-reveal {
from {
opacity: 0;
}
to {
opacity: 1;
}
}
}
@property --candle-body-height {
syntax: "<percentage>";
inherits: true;
initial-value: 0%;
}
@property --candle-body-top {
syntax: "<percentage>";
inherits: true;
initial-value: 50%;
}
@property --candle-slot {
syntax: "<percentage>";
inherits: true;
initial-value: 100%;
}
@property --candle-wick-height {
syntax: "<percentage>";
inherits: true;
initial-value: 0%;
}
@property --candle-wick-top {
syntax: "<percentage>";
inherits: true;
initial-value: 50%;
}
@property --candle-x {
syntax: "<percentage>";
inherits: true;
initial-value: 0%;
}
@property --candle-scale {
syntax: "<number>";
inherits: true;
initial-value: 1;
}
@property --line-y {
syntax: "<percentage>";
inherits: true;
initial-value: 50%;
}
@property --line-prev-y {
syntax: "<percentage>";
inherits: true;
initial-value: 50%;
}
@property --line-count {
syntax: "<integer>";
inherits: false;
initial-value: 1;
}
@property --line-scale {
syntax: "<number>";
inherits: true;
initial-value: 1;
}
@layer components {
@keyframes uiify-otp-input-caret-blink {
50% {
opacity: 0;
}
}
}API
Switch
| Prop | Type | Default | Description |
|---|---|---|---|
checked | boolean | — | Checked state, making the switch controlled. |
defaultChecked | boolean | — | Starting checked state for the uncontrolled switch, which the native checkbox then owns. |
onCheckedChange | (checked: boolean) => void | — | Called with the new checked state when the user toggles the switch. |
disabled | boolean | false | Disables the native input and sets the data-disabled attribute. |
render | ReactElement | ((props, state) => ReactElement) | — | Replace the rendered element while keeping behavior and accessibility wiring. |
Keyboard
| Key | Action |
|---|---|
| Space | Toggle when focused |
Accessibility
Switch role with aria-checked; keyboard matches native checkbox conventions.
Styling hooks
data-statedata-disabled