theme-button.vue
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<script lang="ts" setup>
import { computed, nextTick } from 'vue';
import { VbenButton } from '@vben-core/shadcn-ui';
interface Props {
/**
* 类型
*/
type?: 'icon' | 'normal';
}
defineOptions({
name: 'ThemeToggleButton',
});
const props = withDefaults(defineProps<Props>(), {
type: 'normal',
});
const isDark = defineModel<boolean>();
const theme = computed(() => {
return isDark.value ? 'light' : 'dark';
});
const bindProps = computed(() => {
const type = props.type;
return type === 'normal'
? {
variant: 'heavy' as const,
}
: {
class: 'rounded-full',
size: 'icon' as const,
style: { padding: '7px' },
variant: 'icon' as const,
};
});
function toggleTheme(event: MouseEvent) {
const isAppearanceTransition =
// @ts-expect-error
document.startViewTransition &&
!window.matchMedia('(prefers-reduced-motion: reduce)').matches;
if (!isAppearanceTransition || !event) {
isDark.value = !isDark.value;
return;
}
const x = event.clientX;
const y = event.clientY;
const endRadius = Math.hypot(
Math.max(x, innerWidth - x),
Math.max(y, innerHeight - y),
);
// @ts-ignore startViewTransition
const transition = document.startViewTransition(async () => {
isDark.value = !isDark.value;
await nextTick();
});
transition.ready.then(() => {
const clipPath = [
`circle(0px at ${x}px ${y}px)`,
`circle(${endRadius}px at ${x}px ${y}px)`,
];
const animate = document.documentElement.animate(
{
clipPath: isDark.value ? [...clipPath].toReversed() : clipPath,
},
{
duration: 450,
easing: 'ease-in',
pseudoElement: isDark.value
? '::view-transition-old(root)'
: '::view-transition-new(root)',
},
);
animate.onfinish = () => {
transition.skipTransition();
};
});
}
</script>
<template>
<VbenButton
:aria-label="theme"
:class="[`is-${theme}`]"
aria-live="polite"
class="theme-toggle cursor-pointer border-none bg-none hover:animate-[shrink_0.3s_ease-in-out]"
v-bind="bindProps"
@click.stop="toggleTheme"
>
<svg aria-hidden="true" height="24" viewBox="0 0 24 24" width="24">
<mask
id="theme-toggle-moon"
class="theme-toggle__moon"
fill="hsl(var(--foreground)/80%)"
stroke="none"
>
<rect fill="white" height="100%" width="100%" x="0" y="0" />
<circle cx="40" cy="8" fill="black" r="11" />
</mask>
<circle
id="sun"
class="theme-toggle__sun"
cx="12"
cy="12"
mask="url(#theme-toggle-moon)"
r="11"
/>
<g class="theme-toggle__sun-beams">
<line x1="12" x2="12" y1="1" y2="3" />
<line x1="12" x2="12" y1="21" y2="23" />
<line x1="4.22" x2="5.64" y1="4.22" y2="5.64" />
<line x1="18.36" x2="19.78" y1="18.36" y2="19.78" />
<line x1="1" x2="3" y1="12" y2="12" />
<line x1="21" x2="23" y1="12" y2="12" />
<line x1="4.22" x2="5.64" y1="19.78" y2="18.36" />
<line x1="18.36" x2="19.78" y1="5.64" y2="4.22" />
</g>
</svg>
</VbenButton>
</template>
<style scoped>
.theme-toggle {
&__moon {
& > circle {
transition: transform 0.5s cubic-bezier(0, 0, 0.3, 1);
}
}
&__sun {
@apply fill-foreground/90 stroke-none;
transform-origin: center center;
transition: transform 1.6s cubic-bezier(0.25, 0, 0.2, 1);
&:hover > svg > & {
@apply fill-foreground/90;
}
}
&__sun-beams {
@apply stroke-foreground/90 stroke-[2px];
transform-origin: center center;
transition:
transform 1.6s cubic-bezier(0.5, 1.5, 0.75, 1.25),
opacity 0.6s cubic-bezier(0.25, 0, 0.3, 1);
&:hover > svg > & {
@apply stroke-foreground;
}
}
&.is-light {
.theme-toggle__sun {
@apply scale-50;
}
.theme-toggle__sun-beams {
transform: rotateZ(0.25turn);
}
}
&.is-dark {
.theme-toggle__moon {
& > circle {
transform: translateX(-20px);
}
}
.theme-toggle__sun-beams {
@apply opacity-0;
}
}
&:hover > svg {
.theme-toggle__sun,
.theme-toggle__moon {
@apply fill-foreground;
}
}
}
</style>