# Light Switch Theme Toggle

> An animated theme toggle inspired by a wall switch.

A shadcn/ui block from the [@toggles](https://toggles.dev) registry, listed on [shadcn.exchange](https://shadcn.exchange/r/toggles/light-switch).

- Page, with a live preview: https://shadcn.exchange/r/toggles/light-switch
- Screenshot: https://abzjhwgwpdpz7ua5.public.blob.vercel-storage.com/shots/toggles/light-switch-light-6b44d7dd0b3b5d1a.png
- Registry item: https://toggles.dev/r/light-switch.json
- Listed: 2026-10-13, source last changed 2026-10-13

## Install

```bash
npx shadcn@latest add https://toggles.dev/r/light-switch.json
```

Run it in a project that has shadcn/ui set up. It adds the files below and installs what they depend on.

## Files

### `src/LightSwitch.tsx`

```tsx
import { type ButtonHTMLAttributes, type CSSProperties, useId } from "react";

export interface LightSwitchProps extends Omit<
  ButtonHTMLAttributes<HTMLButtonElement>,
  "children"
> {
  duration?: number;
  /** Whether the toggle should render in its dark-theme state. */
  toggled?: boolean;
  [key: `data-${string}`]: string | number | boolean | null | undefined;
}

export function LightSwitch({
  duration = 350,
  toggled,
  className,
  type = "button",
  title = "Toggle theme",
  "aria-label": ariaLabel = "Toggle theme",
  "aria-pressed": ariaPressed,
  ...props
}: LightSwitchProps) {
  const toggleId = useId();

  const clipPaddleId = `toggles.dev-light-switch-paddle-${toggleId}`;

  return (
    <button
      {...props}
      type={type}
      title={title}
      aria-label={ariaLabel}
      aria-pressed={toggled ?? ariaPressed}
      className={[
        className,
        toggled === true ? "dark" : toggled === false ? "light" : undefined,
      ]
        .filter(Boolean)
        .join(" ")}
    >
      <svg
        width="1em"
        height="1em"
        viewBox="0 0 24 24"
        aria-hidden="true"
        style={
          {
            "--toggles-light-switch--duration": `${duration}ms`,
          } as CSSProperties
        }
      >
        <defs>
          <clipPath id={clipPaddleId}>
            <path
              d={"M7 3h10v9H7Z"}
              className="motion-safe:transition-[d,translate] motion-safe:duration-(--toggles-light-switch--duration) motion-safe:[transition-timing-function:cubic-bezier(0,0,0.15,1.25)] dark:[d:path('M7_12h10v9H7Z')] dark:not-supports-[d:path('M0_0')]:translate-y-[9px]"
            />
          </clipPath>
        </defs>
        <rect
          x={5}
          y={1}
          width={14}
          height={22}
          rx={2}
          stroke={"currentColor"}
          fill={"none"}
          strokeWidth={1.5}
        />
        <rect
          x={7}
          y={3}
          width={10}
          height={18}
          rx={1}
          stroke={"currentColor"}
          fill={"none"}
          strokeWidth={1}
        />
        <rect
          x={8}
          y={4}
          width={8}
          height={16}
          rx={0.5}
          fill={"currentColor"}
          clipPath={`url(#${clipPaddleId})`}
        />
      </svg>
    </button>
  );
}
```