npx shadcn@latest add https://toggles.dev/r/dark-side

import { DarkSide } from "@/components/ui/dark-side";

export default function App() {
  return <DarkSide />;
}

import { DarkSide } from "@theme-toggles/react";
import "@theme-toggles/react/styles/dark-side.css";

export default function App() {
  return <DarkSide />;
}

import { type ButtonHTMLAttributes, type CSSProperties } from "react";

export interface DarkSideProps extends Omit<
  ButtonHTMLAttributes<HTMLButtonElement>,
  "children"
> {
  duration?: number;
  [key: `data-${string}`]: string | number | boolean | null | undefined;
}

export function DarkSide({
  duration = 500,
  className,
  type = "button",
  title = "Toggle theme",
  "aria-label": ariaLabel = "Toggle theme",
  ...props
}: DarkSideProps) {
  return (
    <button
      type={type}
      title={title}
      aria-label={ariaLabel}
      className={className}
      {...props}
    >
      <svg
        width="1em"
        height="1em"
        viewBox="0 0 32 32"
        aria-hidden="true"
        fill={"currentColor"}
        style={
          { "--toggles-dark-side--duration": `${duration}ms` } as CSSProperties
        }
      >
        <path
          d={
            "M16 .5C7.4.5.5 7.4.5 16S7.4 31.5 16 31.5 31.5 24.6 31.5 16 24.6.5 16 .5zm0 28.1V3.4C23 3.4 28.6 9 28.6 16S23 28.6 16 28.6z"
          }
          className="origin-center transition-transform duration-(--toggles-dark-side--duration) [transition-timing-function:ease] dark:rotate-180"
        />
      </svg>
    </button>
  );
}

<script>
  import { DarkSide } from "@theme-toggles/svelte";
  import "@theme-toggles/svelte/styles/dark-side.css";
</script>

<DarkSide />

<script lang="ts">
  import type { HTMLButtonAttributes } from "svelte/elements";

  interface $$Props extends Omit<HTMLButtonAttributes, "children"> {
    duration?: number;
    ariaLabel?: string;
    class?: string;
  }

  export let duration = 500;
  export let type: HTMLButtonAttributes["type"] = "button";
  export let title = "Toggle theme";
  export let ariaLabel = "Toggle theme";
  let className = "";
  export { className as class };
</script>

<button
  {type}
  {title}
  aria-label={ariaLabel}
  class={className}
  on:click
  {...$$restProps}
>
  <svg
    width="1em"
    height="1em"
    viewBox="0 0 32 32"
    aria-hidden="true"
    fill={"currentColor"}
    style={`--toggles-dark-side--duration: ${duration}ms`}
  >
    <path
      d={"M16 .5C7.4.5.5 7.4.5 16S7.4 31.5 16 31.5 31.5 24.6 31.5 16 24.6.5 16 .5zm0 28.1V3.4C23 3.4 28.6 9 28.6 16S23 28.6 16 28.6z"}
      class={"origin-center transition-transform duration-(--toggles-dark-side--duration) [transition-timing-function:ease] dark:rotate-180"}
    />
  </svg>
</button>

<script setup lang="ts">
import { DarkSide } from "@theme-toggles/vue";
import "@theme-toggles/vue/styles/dark-side.css";
</script>

<template>
  <DarkSide />
</template>

<script setup lang="ts">
import { useAttrs } from "vue";

interface Props {
  duration?: number;
  type?: "button" | "submit" | "reset";
  title?: string;
  ariaLabel?: string;
}

const props = withDefaults(defineProps<Props>(), {
  duration: 500,
  type: "button",
  title: "Toggle theme",
  ariaLabel: "Toggle theme",
});

const attrs = useAttrs();
</script>

<template>
  <button
    v-bind="attrs"
    :type="props.type"
    :title="props.title"
    :aria-label="props.ariaLabel"
  >
    <svg
      width="1em"
      height="1em"
      viewBox="0 0 32 32"
      aria-hidden="true"
      :fill="'currentColor'"
      :style="{ '--toggles-dark-side--duration': `${props.duration}ms` }"
    >
      <path
        :d="'M16 .5C7.4.5.5 7.4.5 16S7.4 31.5 16 31.5 31.5 24.6 31.5 16 24.6.5 16 .5zm0 28.1V3.4C23 3.4 28.6 9 28.6 16S23 28.6 16 28.6z'"
        :class="'origin-center transition-transform duration-(--toggles-dark-side--duration) [transition-timing-function:ease] dark:rotate-180'"
      />
    </svg>
  </button>
</template>