feat: 定期检查文档更新并弹出提醒

- 扩展基础主题代码做抽取

docs/.vitepress/theme/Layout.vue

@@ -0,0 +1,74 @@
+<script setup lang="ts">
+import { useData } from 'vitepress'
+import DefaultTheme from 'vitepress/theme'
+import { nextTick, provide } from 'vue'
+import { setupMediumZoom } from './setupMediumZoom'
+
+const { isDark } = useData()
+
+const enableTransitions = () =>
+  'startViewTransition' in document &&
+  window.matchMedia('(prefers-reduced-motion: no-preference)').matches
+
+setupMediumZoom()
+
+provide('toggle-appearance', async ({ clientX: x, clientY: y }: MouseEvent) => {
+  if (!enableTransitions()) {
+    isDark.value = !isDark.value
+    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 ${y}px)`
+  ]
+
+  // @ts-expect-error
+  await document.startViewTransition(async () => {
+    isDark.value = !isDark.value
+    await nextTick()
+  }).ready
+
+  document.documentElement.animate(
+    { clipPath: isDark.value ? clipPath.reverse() : clipPath },
+    {
+      duration: 300,
+      easing: 'ease-in',
+      pseudoElement: `::view-transition-${isDark.value ? 'old' : 'new'}(root)`
+    }
+  )
+})
+</script>
+
+<template>
+  <DefaultTheme.Layout />
+</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;
+}
+
+.VPSwitchAppearance {
+  width: 22px !important;
+}
+
+.VPSwitchAppearance .check {
+  transform: none !important;
+}
+</style>

docs/.vitepress/theme/customComponents.ts

@@ -0,0 +1,14 @@
+import { App } from 'vue'
+import Title from '../components/Title.vue'
+import ImgSlider from '../components/ImgSlider.vue'
+
+/**
+ * 批量完成自定义组件的注册
+ */
+export function customComponents(app: App) {
+  const cpns = [Title, ImgSlider]
+
+  for (const c of cpns) {
+    app.component(c.__name, c)
+  }
+}

docs/.vitepress/theme/index.ts

@@ -1,35 +1,19 @@
-import type { EnhanceAppContext } from 'vitepress'
+import { Theme } from 'vitepress'
 import DefaultTheme from 'vitepress/theme'
-import { nextTick, watch } from 'vue'
-import { inBrowser, useRoute } from 'vitepress'
-import mediumZoom from 'medium-zoom'
-
-import Title from '../components/Title.vue'
-import ImgSlider from '../components/ImgSlider.vue'
-
+import { refresh } from './refresh'
+import { customComponents } from './customComponents'
+import Layout from './Layout.vue'
 import './index.css'
 
-export default {
+const theme: Theme = {
   ...DefaultTheme,
-  enhanceApp(ctx: EnhanceAppContext) {
-    // 使用默认主题的增强应用程序功能
+  Layout,
+  enhanceApp(ctx) {
     DefaultTheme.enhanceApp(ctx)
 
-    // 注册组件
     const { app } = ctx
-    app.component('Title', Title)
-    app.component('ImgSlider', ImgSlider)
-  },
-  setup() {
-    const route = useRoute()
-    watch(
-      () => route.path,
-      () => {
-        nextTick(() =>
-          inBrowser ? mediumZoom('.main img', { background: 'var(--vp-c-bg)' }) : null
-        )
-      },
-      { immediate: true }
-    )
+    app.use(refresh).use(customComponents)
   }
 }
+
+export default theme

docs/.vitepress/theme/refresh.tsx

@@ -0,0 +1,73 @@
+import { Button, notification } from 'ant-design-vue'
+
+let lastHashmap: any = null
+
+/**
+ * 定期拉取 hashmap.json 文件
+ * 如果有更新则弹出提醒刷新页面
+ */
+export function refresh() {
+  // SSR or SSG 模式不需要检查更新
+  if (import.meta.env.SSR) {
+    return
+  }
+
+  loop()
+}
+
+/**
+ * 每隔 5 分钟检查一次
+ */
+async function loop() {
+  setTimeout(() => {
+    loop()
+  }, 1000 * 60 * 5)
+
+  const res = await fetch('/hashmap.json').then((res) => res.json())
+
+  if (!lastHashmap) {
+    lastHashmap = res
+    return
+  }
+
+  if (diff(lastHashmap, res)) {
+    lastHashmap = res
+
+    const lastCheckUpdate = localStorage.getItem('last-check-update')
+
+    // 一小时内不重复提醒
+    if (lastCheckUpdate && new Date().getTime() - Number(lastCheckUpdate) < 1000 * 60 * 60) {
+      return
+    }
+
+    notification.info({
+      message: '文档有更新',
+      description: '请刷新页面以获取最新文档',
+      btn: (
+        <Button type="primary" onClick={() => window.location.reload()}>
+          刷新页面
+        </Button>
+      )
+    })
+
+    localStorage.setItem('last-check-update', new Date().getTime().toString())
+  }
+}
+
+/**
+ * 比较两个对象的差异
+ * 浅层比较
+ */
+function diff(o1: any, o2: any) {
+  const keys = Object.keys(o1)
+  const keys2 = Object.keys(o2)
+  if (keys.length !== keys2.length) {
+    return true
+  }
+  for (const key of keys) {
+    if (o1[key] !== o2[key]) {
+      return true
+    }
+  }
+  return false
+}

docs/.vitepress/theme/setupMediumZoom.ts

@@ -0,0 +1,16 @@
+import { nextTick, watch } from 'vue'
+import { useRoute } from 'vitepress'
+import mediumZoom from 'medium-zoom'
+
+export function setupMediumZoom() {
+  if (import.meta.env.SSR) return
+
+  const route = useRoute()
+  watch(
+    () => route.path,
+    () => {
+      nextTick(() => mediumZoom('.main img', { background: 'var(--vp-c-bg)' }))
+    },
+    { immediate: true }
+  )
+}

docs/vite.config.ts

@@ -0,0 +1,14 @@
+import { defineConfig } from 'vite'
+import vueJsx from '@vitejs/plugin-vue-jsx'
+
+export default defineConfig(() => ({
+  server: {
+    proxy: {
+      '/hashmap.json': {
+        target: 'https://ziuchen.github.io',
+        changeOrigin: true
+      }
+    }
+  },
+  plugins: [vueJsx()]
+}))

package.json

@@ -7,6 +7,9 @@
   },
   "devDependencies": {
     "@types/node": "^18.18.5",
+    "@vitejs/plugin-vue-jsx": "^3.1.0",
+    "ant-design-vue": "^4.0.7",
+    "vite": "^5.0.0",
     "vue": "^3.3.4"
   },
   "dependencies": {

tsconfig.json

@@ -10,11 +10,13 @@
     "isolatedModules": true,
     "esModuleInterop": true,
     "lib": ["ESNext", "DOM"],
-    "types": ["node"],
+    "types": ["node", "vite/client"],
     "skipLibCheck": true,
     "noEmit": true,
+    "jsxImportSource": "vue",
     "baseUrl": "."
   },
-  "include": ["docs/.vitepress/**/*.ts"],
+
+  "include": ["docs/.vitepress/**/*.ts", "docs/.vitepress/**/*.tsx", "docs/vite.config.ts"],
   "exclude": ["node_modules", "dist"]
 }