前言
在 Nuxt3 中要实现暗黑模式,需要用到一个库:color-mode,它可以帮助我们很轻易地实现暗黑模式切换。
具体使用
- 安装
@nuxtjs/color-mode
依赖:pnpm add @nuxtjs/color-mode -D
- 打开
nuxt.config.ts
配置文件注入依赖:export default defineNuxtConfig({ modules: ['@nuxtjs/color-mode'] })
你也可以根据项目实际情况自定义配置,以下是一些默认配置:
import { defineNuxtConfig } from 'nuxt' export default defineNuxtConfig({ modules: ['@nuxtjs/color-mode'], colorMode: { preference: 'system', // default value of $colorMode.preference fallback: 'light', // fallback value if not system preference found hid: 'nuxt-color-mode-script', globalName: '__NUXT_COLOR_MODE__', componentName: 'ColorScheme', classPrefix: '', classSuffix: '-mode', storageKey: 'nuxt-color-mode' } })
具体的使用文档:NuxtColorMode
按钮模式
在
src/components
中新建ColorMode/index.vue
文件:<script setup lang="ts"> const colorMode = useColorMode() // 切换模式 const setColorMode = () => { colorMode.value = colorMode.value === 'dark' ? 'light' : 'dark' } // 判断是否支持 startViewTransition API const enableTransitions = () => 'startViewTransition' in document && window.matchMedia('(prefers-reduced-motion: no-preference)').matches // 切换动画 async function toggleDark({ clientX: x, clientY: y }: MouseEvent) { const isDark = colorMode.value === 'dark' if (!enableTransitions()) { setColorMode() return } const clipPath = [ `circle(0px at ${ x}px ${ y}px)`, `circle(${ Math.hypot( Math.max(x, innerWidth - x), Math.max(y, innerHeight - y) )}px at ${ x}px ${ y}px)` ] await document.startViewTransition(async () => { setColorMode() await nextTick() }).ready document.documentElement.animate( { clipPath: !isDark ? clipPath.reverse() : clipPath }, { duration: 300, easing: 'ease-in', pseudoElement: `::view-transition-${ !isDark ? 'old' : 'new'}(root)` } ) } </script> <template> <el-tooltip :content="`切换${$colorMode.value === 'dark' ? '白天' : '黑夜'}模式`" placement="bottom" > <el-button circle text @click="toggleDark" > <Icon :name="$colorMode.value === 'dark' ? 'i-heroicons-moon-solid' : 'i-heroicons-sun-solid'" class="h-5 w-5" /> </el-button> </el-tooltip> </template> <style> ::view-transition-old(root), ::view-transition-new(root) { animation: none; mix-blend-mode: normal; } ::view-transition-old(root), .dark::view-transition-new(root) { z-index: 1; } ::view-transition-new(root), .dark::view-transition-old(root) { z-index: 9999; } </style>
在需要的地方加载组件:
<ColorMode />