feat: 添加切换主题的动画效果

src/components/common/ToggleTheme.vue

@@ -0,0 +1,34 @@
+<template>
+  <i
+    class="mr-16 cursor-pointer"
+    :class="isDark ? 'i-fe:moon' : 'i-fe:sun'"
+    @click="toggleDark"
+  />
+</template>
+
+<script setup>
+import { useDark, useToggle } from '@vueuse/core'
+import { useAppStore } from '@/store'
+
+const appStore = useAppStore()
+const isDark = useDark()
+function toggleDark({ clientX, clientY }) {
+  const maxRadius = Math.hypot(
+    Math.max(clientX, window.innerWidth - clientX),
+    Math.max(clientY, window.innerHeight - clientY),
+  )
+  const style = document.documentElement.style
+  style.setProperty('--circle-x', `${clientX}px`)
+  style.setProperty('--circle-y', `${clientY}px`)
+  style.setProperty('--circle-r', `${maxRadius}px`)
+
+  function handler() {
+    appStore.toggleDark()
+    useToggle(isDark)()
+  }
+
+  document.startViewTransition
+    ? document.startViewTransition(handler)
+    : handler()
+}
+</script>

src/styles/global.scss

@@ -72,3 +72,23 @@ body {
     }
   }
 }
+
+/* 切换主题的动画效果 */
+::view-transition-old(root) {
+  animation: none;
+  mix-blend-mode: normal;
+}
+
+::view-transition-new(root) {
+  animation: 0.5s ease-in circle-animation;
+  mix-blend-mode: normal;
+}
+
+@keyframes circle-animation {
+  from {
+    clip-path: circle(0 at var(--circle-x) var(--circle-y));
+  }
+  to {
+    clip-path: circle(var(--circle-r) at var(--circle-x) var(--circle-y));
+  }
+}