改为typescript支持

2024-12-11 15:32:20 +08:00
parent 72e3d1b756
commit 812a642aaa
13 changed files with 477 additions and 245 deletions
--- a/index.html
+++ b/index.html
@@ -16,6 +16,6 @@
  </head>
  <body>
    <div id="app"></div>
-    <script type="module" src="/src/main.js"></script>
+    <script type="module" src="/src/main.ts"></script>
  </body>
 </html>
--- a/package.json
+++ b/package.json
@@ -13,6 +13,8 @@
  },
  "devDependencies": {
    "@vitejs/plugin-vue": "^5.2.1",
+    "@types/node": "^22.10.1",
+    "typescript": "^5.0.2",
    "vite": "^6.0.1"
  }
 }
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -10,14 +10,20 @@ importers:
    dependencies:
      vue:
        specifier: ^3.5.13
-        version: 3.5.13
+        version: 3.5.13(typescript@5.7.2)
    devDependencies:
+      '@types/node':
+        specifier: ^22.10.1
+        version: 22.10.1
      '@vitejs/plugin-vue':
        specifier: ^5.2.1
-        version: 5.2.1(vite@6.0.3)(vue@3.5.13)
+        version: 5.2.1(vite@6.0.3(@types/node@22.10.1))(vue@3.5.13(typescript@5.7.2))
+      typescript:
+        specifier: ^5.0.2
+        version: 5.7.2
      vite:
        specifier: ^6.0.1
-        version: 6.0.3
+        version: 6.0.3(@types/node@22.10.1)

 packages:

@@ -283,6 +289,9 @@ packages:
  '@types/estree@1.0.6':
    resolution: {integrity: sha512-AYnb1nQyY49te+VRAVgmzfcgjYS91mY5P0TKUDCLEM+gNnA+3T6rWITXRLYCpahpqSQbN5cE+gHpnPyXjHWxcw==, tarball: https://registry.npmjs.org/@types/estree/-/estree-1.0.6.tgz}

+  '@types/node@22.10.1':
+    resolution: {integrity: sha512-qKgsUwfHZV2WCWLAnVP1JqnpE6Im6h3Y0+fYgMTasNQ7V++CBX5OT1as0g0f+OyubbFqhf6XVNIsmN4IIhEgGQ==, tarball: https://registry.npmjs.org/@types/node/-/node-22.10.1.tgz}
+
  '@vitejs/plugin-vue@5.2.1':
    resolution: {integrity: sha512-cxh314tzaWwOLqVes2gnnCtvBDcM1UMdn+iFR+UjAn411dPT3tOmqrJjbMd7koZpMAmBM/GqeV4n9ge7JSiJJQ==, tarball: https://registry.npmjs.org/@vitejs/plugin-vue/-/plugin-vue-5.2.1.tgz}
    engines: {node: ^18.0.0 || >=20.0.0}
@@ -363,6 +372,14 @@ packages:
    resolution: {integrity: sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA==, tarball: https://registry.npmjs.org/source-map-js/-/source-map-js-1.2.1.tgz}
    engines: {node: '>=0.10.0'}

+  typescript@5.7.2:
+    resolution: {integrity: sha512-i5t66RHxDvVN40HfDd1PsEThGNnlMCMT3jMUuoh9/0TaqWevNontacunWyN02LA9/fIbEWlcHZcgTKb9QoaLfg==, tarball: https://registry.npmjs.org/typescript/-/typescript-5.7.2.tgz}
+    engines: {node: '>=14.17'}
+    hasBin: true
+
+  undici-types@6.20.0:
+    resolution: {integrity: sha512-Ny6QZ2Nju20vw1SRHe3d9jVu6gJ+4e3+MMpqu7pqE5HT6WsTSlce++GQmK5UXS8mzV8DSYHrQH+Xrf2jVcuKNg==, tarball: https://registry.npmjs.org/undici-types/-/undici-types-6.20.0.tgz}
+
  vite@6.0.3:
    resolution: {integrity: sha512-Cmuo5P0ENTN6HxLSo6IHsjCLn/81Vgrp81oaiFFMRa8gGDj5xEjIcEpf2ZymZtZR8oU0P2JX5WuUp/rlXcHkAw==, tarball: https://registry.npmjs.org/vite/-/vite-6.0.3.tgz}
    engines: {node: ^18.0.0 || ^20.0.0 || >=22.0.0}
@@ -559,10 +576,14 @@ snapshots:

  '@types/estree@1.0.6': {}

-  '@vitejs/plugin-vue@5.2.1(vite@6.0.3)(vue@3.5.13)':
+  '@types/node@22.10.1':
    dependencies:
-      vite: 6.0.3
-      vue: 3.5.13
+      undici-types: 6.20.0
+
+  '@vitejs/plugin-vue@5.2.1(vite@6.0.3(@types/node@22.10.1))(vue@3.5.13(typescript@5.7.2))':
+    dependencies:
+      vite: 6.0.3(@types/node@22.10.1)
+      vue: 3.5.13(typescript@5.7.2)

  '@vue/compiler-core@3.5.13':
    dependencies:
@@ -610,11 +631,11 @@ snapshots:
      '@vue/shared': 3.5.13
      csstype: 3.1.3

-  '@vue/server-renderer@3.5.13(vue@3.5.13)':
+  '@vue/server-renderer@3.5.13(vue@3.5.13(typescript@5.7.2))':
    dependencies:
      '@vue/compiler-ssr': 3.5.13
      '@vue/shared': 3.5.13
-      vue: 3.5.13
+      vue: 3.5.13(typescript@5.7.2)

  '@vue/shared@3.5.13': {}

@@ -695,18 +716,25 @@ snapshots:

  source-map-js@1.2.1: {}

-  vite@6.0.3:
+  typescript@5.7.2: {}
+
+  undici-types@6.20.0: {}
+
+  vite@6.0.3(@types/node@22.10.1):
    dependencies:
      esbuild: 0.24.0
      postcss: 8.4.49
      rollup: 4.28.1
    optionalDependencies:
+      '@types/node': 22.10.1
      fsevents: 2.3.3

-  vue@3.5.13:
+  vue@3.5.13(typescript@5.7.2):
    dependencies:
      '@vue/compiler-dom': 3.5.13
      '@vue/compiler-sfc': 3.5.13
      '@vue/runtime-dom': 3.5.13
-      '@vue/server-renderer': 3.5.13(vue@3.5.13)
+      '@vue/server-renderer': 3.5.13(vue@3.5.13(typescript@5.7.2))
      '@vue/shared': 3.5.13
+    optionalDependencies:
+      typescript: 5.7.2
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,8 +1,9 @@
-<script setup>
+<script setup lang="ts">
 import ProjectList from './components/ProjectList.vue'
+import type { ListItem, MenuItem, ListConfig } from '@/types'

 // 生成模拟数据
-const listData = Array.from({ length: 789 }, (_, i) => ({
+const listData: ListItem[] = Array.from({ length: 789 }, (_, i) => ({
  id: i,
  name: `project-${i + 1}`,
  path: `/Users/lanyuanxiaoyao/Project/IdeaProjects/project-${i + 1}`,
@@ -15,7 +16,7 @@ const listData = Array.from({ length: 789 }, (_, i) => ({
 }))

 // 自定义配置
-const listConfig = {
+const listConfig: ListConfig = {
  itemHeight: 50,
  itemPadding: 16,
  bufferCount: 10,
@@ -23,7 +24,7 @@ const listConfig = {
 }

 // 自定义菜单项
-const menuItems = [
+const menuItems: MenuItem[] = [
  { 
    id: 'refresh', 
    label: '刷新列表',
@@ -48,7 +49,7 @@ const menuItems = [
 ]

 // 列表项点击事件处理
-const handleItemClick = (item) => {
+const handleItemClick = (item: ListItem): void => {
  console.log('点击列表项:', item)
 }
 </script>
--- a/src/components/ProjectList.vue
+++ b/src/components/ProjectList.vue
@@ -1,89 +1,86 @@
-<script setup>
+<script setup lang="ts">
 import VirtualList from './VirtualList.vue'
 import { ref, onMounted, onBeforeUnmount } from 'vue'
+import type { ListItem, MenuItem, ListConfig } from '@/types'

-const props = defineProps({
-  // 列表数据
-  data: {
-    type: Array,
-    required: true
-  },
-  // 虚拟列表配置
-  config: {
-    type: Object,
-    default: () => ({
-      itemHeight: 50,
-      itemPadding: 16,
-      bufferCount: 10,
-      scrollDebounceTime: 16,
-    })
-  },
-  // 菜单项配置
-  menuItems: {
-    type: Array,
-    default: () => [
-      { 
-        id: 'refresh', 
-        label: '刷新列表',
-        action: (selectedItem) => console.log('刷新列表', selectedItem)
-      },
-      { 
-        id: 'clear', 
-        label: '清空选择',
-        action: (selectedItem) => console.log('清空选择', selectedItem)
-      },
-      { 
-        id: 'export', 
-        label: '导出数据',
-        action: (selectedItem) => console.log('导出数据', selectedItem)
-      },
-    ]
-  },
-  // 是否显示工具栏
-  showToolbar: {
-    type: Boolean,
-    default: true
-  },
-  // 工具栏高度
-  toolbarHeight: {
-    type: Number,
-    default: 40
-  }
-})
-
-// 定义事件
-const emit = defineEmits([
-  'select',           // 选中项变化
-  'click',           // 点击项目
-  'context-menu',    // 右键菜单
-  'update:selected'  // 支持 v-model:selected
-])
-
-// 状态管理
-const selectedItem = ref(null)
-const showMenu = ref(false)
-const listFrozen = ref(false)
-const temporaryDisableHover = ref(false)
-const selectedMenuIndex = ref(-1)
-const toastVisible = ref(false)
-const toastMessage = ref('')
-
-// 定时器
-let hoverDisableTimer = null
-let toastTimer = null
-
-// 处理函数
-const handleSelect = (item) => {
-  selectedItem.value = item
-  emit('select', item)
-  emit('update:selected', item)
+/**
+ * 组件属性接口
+ */
+interface Props {
+  /** 列表数据 */
+  data: ListItem[]
+  /** 虚拟列表配置 */
+  config: ListConfig
+  /** 菜单项配置 */
+  menuItems: MenuItem[]
+  /** 是否显示工具栏 */
+  showToolbar?: boolean
+  /** 工具栏高度 */
+  toolbarHeight?: number
 }

-const handleClick = (item) => {
+const props = withDefaults(defineProps<Props>(), {
+  showToolbar: true,
+  toolbarHeight: 40
+})
+
+/**
+ * 组件事件定义
+ */
+const emit = defineEmits<{
+  /** 选中项变化事件 */
+  select: [item: ListItem]
+  /** 点击项目事件 */
+  click: [item: ListItem]
+  /** 右键菜单事件 */
+  'context-menu': [data: { item: ListItem }]
+}>()
+
+// ===== 状态管理 =====
+/** 当前选中的列表项 */
+const selectedItem = ref<ListItem | null>(null)
+/** 菜单显示状态 */
+const showMenu = ref<boolean>(false)
+/** 列表冻结状态 */
+const listFrozen = ref<boolean>(false)
+/** 临时禁用鼠标悬停状态 */
+const temporaryDisableHover = ref<boolean>(false)
+/** 当前选中的菜单项索引 */
+const selectedMenuIndex = ref<number>(-1)
+/** Toast 显示状态 */
+const toastVisible = ref<boolean>(false)
+/** Toast 消息内容 */
+const toastMessage = ref<string>('')
+
+// ===== 定时器 =====
+/** 鼠标悬停禁用定时器 */
+let hoverDisableTimer: number | null = null
+/** Toast 显示定时器 */
+let toastTimer: number | null = null
+
+// ===== 事件处理函数 =====
+/**
+ * 处理列表项选中
+ * @param item 选中的列表项
+ */
+const handleSelect = (item: ListItem): void => {
+  selectedItem.value = item
+  emit('select', item)
+}
+
+/**
+ * 处理列表项点击
+ * @param item 点击的列表项
+ */
+const handleClick = (item: ListItem): void => {
  emit('click', item)
 }

-const showContextMenu = (data) => {
+/**
+ * 显示右键菜单
+ * @param data 包含目标列表项的数据对象
+ */
+const showContextMenu = (data: { item: ListItem }): void => {
  const { item } = data
  handleSelect(item)
  showMenu.value = true
@@ -91,42 +88,65 @@ const showContextMenu = (data) => {
  emit('context-menu', data)
 }

-const closeMenu = () => {
+/**
+ * 关闭菜单并处理相关状态
+ */
+const closeMenu = (): void => {
  showMenu.value = false
  listFrozen.value = false
  selectedMenuIndex.value = -1
  
+  // 临时禁用鼠标悬停，防止菜单关闭时立即触发悬停效果
  temporaryDisableHover.value = true
  if (hoverDisableTimer) clearTimeout(hoverDisableTimer)
-  hoverDisableTimer = setTimeout(() => {
+  hoverDisableTimer = window.setTimeout(() => {
    temporaryDisableHover.value = false
  }, 300)
 }

-const handleMenuClick = (item) => {
-  item.action?.(selectedItem.value)
+/**
+ * 处理菜单项点击
+ * @param item 被点击的菜单项
+ */
+const handleMenuClick = (item: MenuItem): void => {
+  item.action(selectedItem.value)
  closeMenu()
 }

-const handleMenuTriggerClick = (e) => {
+/**
+ * 处理菜单触发器点击
+ * 控制菜单的显示/隐藏状态
+ * @param e 鼠标事件对象
+ */
+const handleMenuTriggerClick = (e: MouseEvent): void => {
  e.stopPropagation()
  if (showMenu.value) {
    closeMenu()
  } else {
    if (props.data.length > 0) {
+      // 如果有数据，选择当前选中项或第一项
      const itemToSelect = selectedItem.value || props.data[0]
      showContextMenu({ item: itemToSelect })
    } else {
+      // 如果没有数据，仅显示菜单
      showMenu.value = true
      listFrozen.value = true
    }
  }
 }

-const handleKeyDown = (e) => {
+/**
+ * 处理键盘事件
+ * - 右方向键：打开菜单
+ * - 左方向键/ESC：关闭菜单
+ * - 上下方向键：在菜单打开时导航菜单项
+ * - 回车键：在菜单打开时选择当前菜单项
+ * @param e 键盘事件对象
+ */
+const handleKeyDown = (e: KeyboardEvent): void => {
  if (e.key === 'ArrowRight' && !showMenu.value && selectedItem.value) {
    e.preventDefault()
-    handleMenuTriggerClick(e)
+    handleMenuTriggerClick(new MouseEvent('click'))
  } else if ((e.key === 'ArrowLeft' || e.key === 'Escape') && showMenu.value) {
    e.preventDefault()
    closeMenu()
@@ -134,6 +154,7 @@ const handleKeyDown = (e) => {
    switch (e.key) {
      case 'ArrowUp':
        e.preventDefault()
+        // 向上选择菜单项，到顶部时循环到底部
        selectedMenuIndex.value =
          selectedMenuIndex.value <= 0
            ? props.menuItems.length - 1
@@ -141,6 +162,7 @@ const handleKeyDown = (e) => {
        break
      case 'ArrowDown':
        e.preventDefault()
+        // 向下选择菜单项，到底部时循环到顶部
        selectedMenuIndex.value =
          selectedMenuIndex.value >= props.menuItems.length - 1
            ? 0
@@ -156,21 +178,31 @@ const handleKeyDown = (e) => {
  }
 }

-const showToast = (message) => {
+/**
+ * 显示 Toast 消息
+ * @param message 要显示的消息内容
+ */
+const showToast = (message: string): void => {
  if (toastTimer) clearTimeout(toastTimer)
  toastMessage.value = message
  toastVisible.value = true
-  toastTimer = setTimeout(() => {
+  toastTimer = window.setTimeout(() => {
    toastVisible.value = false
  }, 3000)
 }

-// 生命周期钩子
+// ===== 生命周期钩子 =====
+/**
+ * 组件挂载时添加全局事件监听
+ */
 onMounted(() => {
  document.addEventListener('click', closeMenu)
  document.addEventListener('keydown', handleKeyDown)
 })

+/**
+ * 组件卸载前清理事件监听和定时器
+ */
 onBeforeUnmount(() => {
  document.removeEventListener('click', closeMenu)
  document.removeEventListener('keydown', handleKeyDown)
@@ -178,18 +210,30 @@ onBeforeUnmount(() => {
  if (hoverDisableTimer) clearTimeout(hoverDisableTimer)
 })

-// 过渡钩子
-const onBeforeLeave = (el) => {
-  el.style.display = 'block'
+// ===== 过渡钩子 =====
+/**
+ * 过渡开始前的处理
+ * 确保元素在离开过渡开始时可见
+ * @param el 过渡元素
+ */
+const onBeforeLeave = (el: Element): void => {
+  (el as HTMLElement).style.display = 'block'
 }

-const onAfterLeave = (el) => {
-  el.style.display = ''
+/**
+ * 过渡结束后的处理
+ * 重置元素的显示状态
+ * @param el 过渡元素
+ */
+const onAfterLeave = (el: Element): void => {
+  (el as HTMLElement).style.display = ''
 }
 </script>

 <template>
+  <!-- 主容器，阻止默认右键菜单 -->
  <div class="project-list-container" @contextmenu.prevent>
+    <!-- 主要内容区域 -->
    <div class="main-content">
      <VirtualList
        :data="data"
@@ -202,6 +246,8 @@ const onAfterLeave = (el) => {
        @showToast="showToast"
      />
    </div>
+
+    <!-- 工具栏 -->
    <div v-if="showToolbar" class="toolbar" :style="{ height: `${toolbarHeight}px` }">
      <div class="toolbar-content">
        <div class="total-count">共 {{ data.length }} 项</div>
@@ -241,6 +287,8 @@ const onAfterLeave = (el) => {
        </div>
      </div>
    </div>
+
+    <!-- Toast 消息 -->
    <transition name="toast">
      <div v-if="toastVisible" class="toast">
        {{ toastMessage }}
@@ -250,27 +298,30 @@ const onAfterLeave = (el) => {
 </template>

 <style scoped>
-/* 保持原有样式，但将 .app-container 改为 .project-list-container */
+/* 主容器：使用 flex 布局实现垂直方向的布局结构 */
 .project-list-container {
  height: 100%;
  display: flex;
  flex-direction: column;
 }

+/* 主内容区域：占用剩余空间并防止内容溢出 */
 .main-content {
  flex: 1;
-  min-height: 0; /* 重要：防止内容溢出 */
+  min-height: 0; /* 关键：确保 flex 布局下内容不会溢出 */
 }

+/* 工具栏：固定高度，顶部边框和阴影效果 */
 .toolbar {
  height: 40px;
  border-top: 1px solid #e8e8e8;
  background-color: #fff;
  box-shadow: 0 -2px 6px rgba(0, 0, 0, 0.05);
  position: relative;
-  z-index: 1;
+  z-index: 1; /* 确保阴影显示在内容之上 */
 }

+/* 工具栏内容：水平布局，两端对齐 */
 .toolbar-content {
  height: 100%;
  padding: 0 16px;
@@ -278,15 +329,18 @@ const onAfterLeave = (el) => {
  align-items: center;
 }

+/* 总数显示：次要文本样式 */
 .total-count {
  font-size: 13px;
  color: #666;
 }

+/* 弹性间隔：用于推开左右两侧的内容 */
 .toolbar-spacer {
  flex: 1;
 }

+/* 菜单触发器：圆形按钮样式 */
 .menu-trigger {
  position: relative;
  width: 28px;
@@ -300,16 +354,14 @@ const onAfterLeave = (el) => {
  transition: all 0.2s ease;
 }

-.menu-trigger:hover {
-  background-color: #f5f5f5;
-  color: #1a1a1a;
-}
-
+/* 菜单触发器悬停和激活状态 */
+.menu-trigger:hover,
 .menu-trigger.active {
  background-color: #f5f5f5;
  color: #1a1a1a;
 }

+/* 弹出菜单：浮动面板样式 */
 .popup-menu {
  position: absolute;
  bottom: 100%;
@@ -323,11 +375,11 @@ const onAfterLeave = (el) => {
  padding: 8px 0;
  z-index: 1000;
  border: 1px solid rgba(0, 0, 0, 0.08);
-  backdrop-filter: blur(12px);
-  transform-origin: top right;
+  backdrop-filter: blur(12px); /* 背景模糊效果 */
+  transform-origin: top right; /* 动画原点 */
 }

-/* 添加 transition 相关样式 */
+/* 菜单动画相关样式 */
 .menu-enter-active,
 .menu-leave-active {
  transition: all 0.2s ease-out;
@@ -345,12 +397,14 @@ const onAfterLeave = (el) => {
  transform: scale(1);
 }

+/* 菜单分割线 */
 .menu-divider {
  height: 1px;
  background-color: rgba(0, 0, 0, 0.06);
  margin: 6px 0;
 }

+/* 菜单项：交互式列表项样式 */
 .menu-item {
  padding: 10px 16px;
  margin: 0 4px;
@@ -364,17 +418,21 @@ const onAfterLeave = (el) => {
  font-weight: 500;
 }

-.menu-item:hover, .menu-item-selected {
+/* 菜单项悬停和选中状态 */
+.menu-item:hover,
+.menu-item-selected {
  background-color: rgba(79, 70, 229, 0.06);
  color: #4f46e5;
 }

+/* 选中项信息区域 */
 .selected-item-info {
  padding: 12px 16px;
  margin: 0 4px 4px 4px;
  border-radius: 8px;
 }

+/* 选中项名称 */
 .selected-item-name {
  font-size: 14px;
  font-weight: 600;
@@ -382,6 +440,7 @@ const onAfterLeave = (el) => {
  margin-bottom: 8px;
 }

+/* 选中项路径 */
 .selected-item-path {
  font-size: 12px;
  color: #666;
@@ -389,7 +448,7 @@ const onAfterLeave = (el) => {
  line-height: 1.5;
 }

-/* 添加 Toast 相关样式 */
+/* Toast 消息容器：居中显示的浮动提示 */
 .toast {
  position: fixed;
  top: 50%;
@@ -401,11 +460,12 @@ const onAfterLeave = (el) => {
  border-radius: 8px;
  font-size: 14px;
  z-index: 1000;
-  pointer-events: none;
+  pointer-events: none; /* 防止干扰鼠标事件 */
  max-width: 80%;
  text-align: center;
 }

+/* Toast 动画相关样式 */
 .toast-enter-active,
 .toast-leave-active {
  transition: all 0.3s ease;
@@ -414,6 +474,6 @@ const onAfterLeave = (el) => {
 .toast-enter-from,
 .toast-leave-to {
  opacity: 0;
-  transform: translate(-50%, -40%);
+  transform: translate(-50%, -40%); /* 添加垂直位移效果 */
 }
 </style> 
--- a/src/components/VirtualList.vue
+++ b/src/components/VirtualList.vue
@@ -1,63 +1,45 @@
-<script setup>
+<script setup lang="ts">
 import { ref, computed, onMounted, onBeforeUnmount } from 'vue'
+import type { ListItem, ListConfig } from '@/types'

-const props = defineProps({
-  // 列表数据
-  data: {
-    type: Array,
-    required: true
-  },
-  // 配置参数
-  config: {
-    type: Object,
-    default: () => ({
-      itemHeight: 50,        // 列表项基础高度
-      itemPadding: 16,       // 列表项上下padding总和
-      bufferCount: 2,        // 上下缓冲区域的项目数量
-      scrollDebounceTime: 16 // 滚动防抖时间
-    })
-  },
-  // 容器高度
-  height: {
-    type: [String, Number],
-    default: '100%'
-  },
-  frozen: {
-    type: Boolean,
-    default: false
-  },
-  disableHover: {
-    type: Boolean,
-    default: false
-  }
+interface Props {
+  data: ListItem[]
+  config: ListConfig
+  height?: string | number
+  frozen?: boolean
+  disableHover?: boolean
+}
+
+const props = withDefaults(defineProps<Props>(), {
+  height: '100%',
+  frozen: false,
+  disableHover: false
 })

-const emit = defineEmits(['select', 'click', 'contextmenu', 'showToast'])
+const emit = defineEmits<{
+  select: [item: ListItem]
+  click: [item: ListItem]
+  contextmenu: [data: { item: ListItem }]
+  showToast: [message: string]
+}>()

 // 计算列表项实际总高度
 const totalItemHeight = computed(() => 
  props.config.itemHeight + props.config.itemPadding
 )

-/**
- * 响应式状态管理
- */
-const containerHeight = ref(0)          // 容器高度
-const startIndex = ref(0)               // 可视区域起始索引
-const selectedIndex = ref(0)            // 当前选中项索引
-const isKeyboardNavigating = ref(false) // 键盘导航状态
-let keyboardTimer = null                // 键盘导航定时器
+// 响应式状态管理
+const containerHeight = ref<number>(0)
+const startIndex = ref<number>(0)
+const selectedIndex = ref<number>(0)
+const isKeyboardNavigating = ref<boolean>(false)
+let keyboardTimer: number | null = null

-/**
- * DOM 引用
- */
-const containerRef = ref(null)
-const listRef = ref(null)
+// DOM 引用
+const containerRef = ref<HTMLElement | null>(null)
+const listRef = ref<HTMLElement | null>(null)

-/**
- * 计算属性
- */
-// 计算可区域能显示的列表项数量
+// 计算可视区域能显示的列表项数量
 const visibleCount = computed(() => 
  Math.floor(containerHeight.value / totalItemHeight.value)
 )
@@ -86,64 +68,79 @@ const phantomHeight = computed(() =>
  props.data.length * totalItemHeight.value
 )

-// ... 其他方法保持不变，只需将 CONFIG 替换为 props.config ...
-
 // 选择处理
-const handleSelect = (item) => {
-  if (props.frozen) return  // 如果列表被冻结，不响应选择
-  selectedIndex.value = item.index
+const handleSelect = (item: ListItem): void => {
+  if (props.frozen) return
+  selectedIndex.value = item.index ?? 0
  emit('select', item)
 }

-// 点击处理
-const handleClick = (item) => {
-  if (props.frozen) return  // 如果列表被冻结，不响应点击
-  handleSelect(item)  // 点击时同时触发选中
+/**
+ * 处理列表项点击
+ * @param item 点击的列表项
+ */
+const handleClick = (item: ListItem): void => {
+  if (props.frozen) return
+  handleSelect(item)
  emit('click', item)
 }

-// 修改更新容器高度的方法
-function updateContainerHeight() {
+/**
+ * 更新容器高度
+ * 从父元素或窗口获取实际高度
+ */
+function updateContainerHeight(): void {
  if (containerRef.value) {
    const parentHeight = containerRef.value.parentElement?.clientHeight
    containerHeight.value = parentHeight || window.innerHeight
  }
 }

-// 添加 ResizeObserver 来监听父容器尺寸变化
-let resizeObserver = null
+/** ResizeObserver 实例，用于监听容器尺寸变化 */
+let resizeObserver: ResizeObserver | null = null

-// 添加防抖函数
-function debounce(fn, delay) {
-  let timer = null
-  return function (...args) {
+/**
+ * 防抖函数
+ * 在指定延迟后执行函数，如果在延迟期间再次调用则重置延迟
+ * @param fn 需要防抖的函数
+ * @param delay 延迟时间（毫秒）
+ */
+function debounce<T extends (...args: any[]) => void>(fn: T, delay: number): (...args: Parameters<T>) => void {
+  let timer: number | null = null
+  return function (this: any, ...args: Parameters<T>) {
    if (timer) clearTimeout(timer)
-    timer = setTimeout(() => {
+    timer = window.setTimeout(() => {
      fn.apply(this, args)
    }, delay)
  }
 }

-// 滚动处理
+/**
+ * 处理滚动事件（已防抖）
+ * 根据滚动位置更新可视区域的起始索引
+ */
 const handleScroll = debounce(() => {
  if (!containerRef.value) return
  const scrollTop = containerRef.value.scrollTop
-  // 计算新的起始索引
  const newStartIndex = Math.floor(scrollTop / totalItemHeight.value)
  
-  // 只有当起始索引发生变化时才更新
  if (newStartIndex !== startIndex.value) {
    startIndex.value = newStartIndex
  }
 }, props.config.scrollDebounceTime)

-// 添加一个状态来控制是否禁用鼠标悬浮
-const disableHover = ref(false)
-let hoverTimer = null
+/** 鼠标悬停禁用状态 */
+const disableHover = ref<boolean>(false)
+/** 鼠标悬停禁用定时器 */
+let hoverTimer: number | null = null

-// 修改鼠标移入处理函数
-function handleMouseEnter(index) {
-  if (props.frozen || disableHover.value || props.disableHover) return // 增加 props.disableHover 的判断
+/**
+ * 处理鼠标移入事件
+ * 在非键盘导航状态下更新选中项
+ * @param index 目标项的索引
+ */
+function handleMouseEnter(index: number): void {
+  if (props.frozen || disableHover.value || props.disableHover) return
  if (!isKeyboardNavigating.value) {
    selectedIndex.value = index
    emit('select', { ...props.data[index], index })
@@ -151,14 +148,21 @@ function handleMouseEnter(index) {
  }
 }

-// 添加记录上次到达边界的时间
-const lastReachBoundaryTime = ref({
+/**
+ * 记录到达列表边界的时间
+ * 用于实现边界循环导航的延迟判断
+ */
+const lastReachBoundaryTime = ref<{ top: number; bottom: number }>({
  top: 0,
  bottom: 0
 })

-// 修改键盘事件处理函数
-function handleKeyDown(e) {
+/**
+ * 处理键盘事件
+ * 实现键盘导航、边界循环和项目选择功能
+ * @param e 键盘事件对象
+ */
+function handleKeyDown(e: KeyboardEvent): void {
  if (props.frozen) return

  if (e.key === 'Enter') {
@@ -176,14 +180,12 @@ function handleKeyDown(e) {
    if (e.key === 'ArrowUp' && isFirstItem) {
      const timeSinceLastTop = now - lastReachBoundaryTime.value.top
      if (timeSinceLastTop < 5000) {
-        // 5秒内再次点击，跳转到底部
-        disableHover.value = true // 禁用鼠标悬浮
+        disableHover.value = true
        selectedIndex.value = props.data.length - 1
        emit('select', { ...props.data[selectedIndex.value], index: selectedIndex.value })
        ensureSelectedItemVisible()
-        // 1秒后恢复鼠标悬浮功能
        if (hoverTimer) clearTimeout(hoverTimer)
-        hoverTimer = setTimeout(() => {
+        hoverTimer = window.setTimeout(() => {
          disableHover.value = false
        }, 1000)
      } else {
@@ -196,14 +198,12 @@ function handleKeyDown(e) {
    if (e.key === 'ArrowDown' && isLastItem) {
      const timeSinceLastBottom = now - lastReachBoundaryTime.value.bottom
      if (timeSinceLastBottom < 5000) {
-        // 5秒内再次点击，跳转到顶部
-        disableHover.value = true // 禁用鼠标悬浮
+        disableHover.value = true
        selectedIndex.value = 0
        emit('select', { ...props.data[selectedIndex.value], index: selectedIndex.value })
        ensureSelectedItemVisible()
-        // 1秒后恢复鼠标悬浮功能
        if (hoverTimer) clearTimeout(hoverTimer)
-        hoverTimer = setTimeout(() => {
+        hoverTimer = window.setTimeout(() => {
          disableHover.value = false
        }, 1000)
      } else {
@@ -213,7 +213,6 @@ function handleKeyDown(e) {
      return
    }
    
-    // 原有的上下键处理逻辑
    isKeyboardNavigating.value = true
    if (keyboardTimer) clearTimeout(keyboardTimer)
    
@@ -223,7 +222,7 @@ function handleKeyDown(e) {
      emit('select', { ...props.data[nextIndex], index: nextIndex })
      
      const itemTop = nextIndex * totalItemHeight.value
-      if (itemTop < containerRef.value?.scrollTop && containerRef.value) {
+      if (itemTop < (containerRef.value?.scrollTop ?? 0) && containerRef.value) {
        containerRef.value.scrollTop = itemTop
      }
    } else {
@@ -232,51 +231,57 @@ function handleKeyDown(e) {
      emit('select', { ...props.data[nextIndex], index: nextIndex })
      
      const itemBottom = (nextIndex + 1) * totalItemHeight.value
-      const scrollBottom = (containerRef.value?.scrollTop || 0) + containerHeight.value
+      const scrollBottom = (containerRef.value?.scrollTop ?? 0) + containerHeight.value
      if (itemBottom > scrollBottom && containerRef.value) {
        containerRef.value.scrollTop = itemBottom - containerHeight.value
      }
    }
    
-    keyboardTimer = setTimeout(() => {
+    keyboardTimer = window.setTimeout(() => {
      isKeyboardNavigating.value = false
    }, 1000)
  }
 }

-// 确保选项可见
-function ensureSelectedItemVisible() {
+/**
+ * 确保选中项在可视区域内
+ * 如果选中项不可见，则滚动到合适位置
+ */
+function ensureSelectedItemVisible(): void {
  if (!containerRef.value) return
  
  const containerTop = containerRef.value.scrollTop
  const containerHeight = containerRef.value.clientHeight
  
-  // 计算项目的顶部和底部位置
  const itemTop = selectedIndex.value * totalItemHeight.value
  const itemBottom = (selectedIndex.value + 1) * totalItemHeight.value
  const scrollBottom = containerTop + containerHeight
  
  if (itemTop < containerTop) {
-    // 如果项目顶部超出可视区域，滚动到顶部对齐
    containerRef.value.scrollTop = itemTop
  } else if (itemBottom > scrollBottom) {
-    // 如果项目底部超出可视区域，滚动到底部对齐
    containerRef.value.scrollTop = itemBottom - containerHeight
  }
 }

-// 修改右键点击处理函数
-const handleContextMenu = (e, item) => {
-  if (props.frozen) return  // 如果列表被冻结，不响应右键点击
-  e.preventDefault() // 阻止默认右键菜单
-  emit('contextmenu', { item }) // 不需要传递事件对象
+/**
+ * 处理右键点击事件
+ * @param e 鼠标事件对象
+ * @param item 目标列表项
+ */
+const handleContextMenu = (e: MouseEvent, item: ListItem): void => {
+  if (props.frozen) return
+  e.preventDefault()
+  emit('contextmenu', { item })
 }

+// ===== 生命周期钩子 =====
 onMounted(() => {
  if (containerRef.value) {
+    // 添加滚动事件监听
    containerRef.value.addEventListener('scroll', handleScroll)
    
-    // 创建 ResizeObserver 监听父容器尺寸变化
+    // 创建并启用 ResizeObserver
    resizeObserver = new ResizeObserver(() => {
      updateContainerHeight()
    })
@@ -286,34 +291,32 @@ onMounted(() => {
    }
  }
  
+  // 初始化容器高度
  updateContainerHeight()
+  // 添加全局事件监听
  window.addEventListener('resize', updateContainerHeight)
  window.addEventListener('keydown', handleKeyDown)
 })

 onBeforeUnmount(() => {
+  // 清理所有事件监听和定时器
  if (containerRef.value) {
    containerRef.value.removeEventListener('scroll', handleScroll)
  }
  
-  // 清理 ResizeObserver
  if (resizeObserver) {
    resizeObserver.disconnect()
  }
  
  window.removeEventListener('resize', updateContainerHeight)
  window.removeEventListener('keydown', handleKeyDown)
-  if (keyboardTimer) {
-    clearTimeout(keyboardTimer)
-  }
-  if (hoverTimer) {
-    clearTimeout(hoverTimer)
-  }
+  if (keyboardTimer) clearTimeout(keyboardTimer)
+  if (hoverTimer) clearTimeout(hoverTimer)
 })
-
 </script>

 <template>
+  <!-- 虚拟列表容器 -->
  <div 
    ref="containerRef" 
    class="virtual-list-container"
@@ -321,15 +324,18 @@ onBeforeUnmount(() => {
    :style="{ height: '100%' }"
    tabindex="0"
  >
+    <!-- 虚拟高度占位元素 -->
    <div 
      ref="listRef"
      class="virtual-list-phantom"
      :style="{ height: `${phantomHeight}px` }"
    >
+      <!-- 实际渲染的列表内容 -->
      <div 
        class="virtual-list"
        :style="{ transform: `translateY(${offsetY}px)` }"
      >
+        <!-- 列表项 -->
        <div
          v-for="item in visibleData"
          :key="item.index"
@@ -343,14 +349,18 @@ onBeforeUnmount(() => {
          <slot name="item" :item="item">
            <!-- 默认列表项样式 -->
            <div class="default-item">
+              <!-- 项目图标 -->
              <div class="item-icon">
                <svg viewBox="0 0 24 24" width="16" height="16">
                  <circle cx="12" cy="12" r="10" fill="#1a1a1a" />
                </svg>
              </div>
+              <!-- 项目内容 -->
              <div class="item-content">
+                <!-- 标题行：名称和标签 -->
                <div class="item-header">
                  <div class="item-name">{{ item.name }}</div>
+                  <!-- 标签列表 -->
                  <div class="item-tags" v-if="item.tags?.length">
                    <span 
                      v-for="tag in item.tags" 
@@ -362,6 +372,7 @@ onBeforeUnmount(() => {
                    </span>
                  </div>
                </div>
+                <!-- 路径信息 -->
                <div class="item-info">
                  <div class="item-path">{{ item.path }}</div>
                </div>
@@ -375,6 +386,7 @@ onBeforeUnmount(() => {
 </template>

 <style scoped>
+/* 虚拟列表容器：可滚动区域 */
 .virtual-list-container {
  overflow-y: auto;
  border: 1px solid #ccc;
@@ -384,11 +396,13 @@ onBeforeUnmount(() => {
  height: 100%;
 }

+/* 虚拟高度容器：用于保持滚动条比例 */
 .virtual-list-phantom {
  position: relative;
  width: 100%;
 }

+/* 实际列表内容容器：通过 transform 实现位置偏移 */
 .virtual-list {
  position: absolute;
  top: 0;
@@ -396,6 +410,7 @@ onBeforeUnmount(() => {
  width: 100%;
 }

+/* 列表项基础样式 */
 .list-item {
  padding: 8px 16px;
  display: flex;
@@ -405,12 +420,12 @@ onBeforeUnmount(() => {
  background-color: white;
 }

-/* 简单的选中高亮效果 */
+/* 选中状态样式 */
 .list-item.selected {
  background-color: rgba(64, 169, 255, 0.15);
 }

-/* 默认列表项样式 */
+/* 列表项布局容器 */
 .default-item {
  display: flex;
  align-items: center;
@@ -418,6 +433,7 @@ onBeforeUnmount(() => {
  width: 100%;
 }

+/* 图标容器 */
 .item-icon {
  flex-shrink: 0;
  width: 24px;
@@ -427,6 +443,7 @@ onBeforeUnmount(() => {
  justify-content: center;
 }

+/* 内容区域布局 */
 .item-content {
  flex: 1;
  min-width: 0;
@@ -435,6 +452,7 @@ onBeforeUnmount(() => {
  gap: 4px;
 }

+/* 标题行布局 */
 .item-header {
  display: flex;
  align-items: center;
@@ -442,6 +460,7 @@ onBeforeUnmount(() => {
  min-width: 0;
 }

+/* 项目名称样式 */
 .item-name {
  font-size: 14px;
  color: #1a1a1a;
@@ -453,11 +472,13 @@ onBeforeUnmount(() => {
  min-width: 0;
 }

+/* 信息行布局 */
 .item-info {
  display: flex;
  gap: 4px;
 }

+/* 路径文本样式 */
 .item-path {
  font-size: 12px;
  color: #666;
@@ -467,6 +488,7 @@ onBeforeUnmount(() => {
  flex: 1;
 }

+/* 标签容器样式 */
 .item-tags {
  display: flex;
  gap: 6px;
@@ -475,6 +497,7 @@ onBeforeUnmount(() => {
  overflow: hidden;
 }

+/* 单个标签样式 */
 .item-tag {
  font-size: 11px;
  padding: 2px 6px;
@@ -484,10 +507,10 @@ onBeforeUnmount(() => {
  flex-shrink: 0;
 }

-/* 添加冻结状态的样式 */
+/* 列表冻结状态样式 */
 .list-frozen {
  pointer-events: none;  /* 禁用鼠标事件 */
-  opacity: 0.7;  /* 降低透明度表示冻结状态 */
+  opacity: 0.7;         /* 降低透明度 */
  user-select: none;    /* 禁用文本选择 */
 }
 </style> 
--- a/src/env.d.ts
+++ b/src/env.d.ts
@@ -0,0 +1,7 @@
+/// <reference types="vite/client" />
+
+declare module '*.vue' {
+  import type { DefineComponent } from 'vue'
+  const component: DefineComponent<{}, {}, any>
+  export default component
+} 
--- a/src/main.js
+++ b/src/main.js
@@ -1,4 +0,0 @@
-import { createApp } from 'vue'
-import App from './App.vue'
-
-createApp(App).mount('#app')
--- a/src/main.ts
+++ b/src/main.ts
@@ -0,0 +1,6 @@
+import { createApp } from 'vue'
+import type { App as AppType } from 'vue'
+import App from './App.vue'
+
+const app: AppType = createApp(App)
+app.mount('#app')
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -0,0 +1,53 @@
+/**
+ * 标签信息接口
+ */
+export interface Tag {
+  /** 标签唯一标识 */
+  id: number
+  /** 标签名称 */
+  name: string
+  /** 标签颜色（十六进制颜色值） */
+  color: string
+}
+
+/**
+ * 列表项数据接口
+ */
+export interface ListItem {
+  /** 项目唯一标识 */
+  id: number
+  /** 项目名称 */
+  name: string
+  /** 项目路径 */
+  path: string
+  /** 项目标签列表 */
+  tags?: Tag[]
+  /** 在虚拟列表中的索引位置 */
+  index?: number
+}
+
+/**
+ * 菜单项接口
+ */
+export interface MenuItem {
+  /** 菜单项唯一标识 */
+  id: string
+  /** 菜单项显示文本 */
+  label: string
+  /** 菜单项点击处理函数，接收当前选中的列表项作为参数 */
+  action: (item: ListItem | null) => void
+}
+
+/**
+ * 虚拟列表配置接口
+ */
+export interface ListConfig {
+  /** 列表项基础高度（像素） */
+  itemHeight: number
+  /** 列表项内边距总和（像素） */
+  itemPadding: number
+  /** 上下缓冲区域的项目数量 */
+  bufferCount: number
+  /** 滚动防抖时间（毫秒） */
+  scrollDebounceTime: number
+} 
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -0,0 +1,37 @@
+{
+  "compilerOptions": {
+    "target": "ESNext",
+    "useDefineForClassFields": true,
+    "module": "ESNext",
+    "moduleResolution": "Node",
+    "strict": true,
+    "jsx": "preserve",
+    "sourceMap": true,
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "esModuleInterop": true,
+    "lib": [
+      "ESNext",
+      "DOM"
+    ],
+    "skipLibCheck": true,
+    "noEmit": true,
+    "baseUrl": ".",
+    "paths": {
+      "@/*": [
+        "src/*"
+      ]
+    }
+  },
+  "include": [
+    "src/**/*.ts",
+    "src/**/*.d.ts",
+    "src/**/*.tsx",
+    "src/**/*.vue"
+  ],
+  "references": [
+    {
+      "path": "./tsconfig.node.json"
+    }
+  ]
+}
--- a/tsconfig.node.json
+++ b/tsconfig.node.json
@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "composite": true,
+    "module": "ESNext",
+    "moduleResolution": "Node",
+    "allowSyntheticDefaultImports": true,
+    "lib": [
+      "ES2020"
+    ]
+  },
+  "include": [
+    "vite.config.ts"
+  ]
+}
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -1,7 +1,12 @@
 import { defineConfig } from 'vite'
 import vue from '@vitejs/plugin-vue'
+import path from 'path'

-// https://vite.dev/config/
 export default defineConfig({
  plugins: [vue()],
+  resolve: {
+    alias: {
+      '@': path.resolve(__dirname, './src'),
+    },
+  },
 })