feat: complete testing-tool browser extension with timestamp converter and storage cleaner
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# 存储清理功能设计文档
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## 概述
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为浏览器扩展添加一个存储清理功能,允许用户快速清理当前页面的各种存储数据,包括 localStorage、sessionStorage、IndexedDB、Cookies、Cache Storage 和 Service Workers。
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## 目标
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- 提供便捷的页面存储清理功能
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- 支持多种存储类型清理
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- 提供清理结果反馈
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- 支持清理后自动刷新页面
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## 架构设计
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### 组件结构
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```
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entrypoints/popup/pages/
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├── TimestampPage.tsx (现有:时间戳转换页面)
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└── StorageCleanerPage.tsx (新增:存储清理页面)
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```
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### 页面布局
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在弹窗中添加标签页切换功能,用户可以在时间戳转换和存储清理之间切换。
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**路由实现方案:**
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使用简单的状态管理进行页面切换:
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```typescript
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// App.tsx
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type PageType = 'timestamp' | 'storageCleaner';
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function App() {
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const [currentPage, setCurrentPage] = useState<PageType>('timestamp');
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return (
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<div className="app">
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<Box sx={{ display: 'flex', justifyContent: 'center', mb: 2 }}>
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<Button
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variant={currentPage === 'timestamp' ? 'contained' : 'outlined'}
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onClick={() => setCurrentPage('timestamp')}
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>
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时间戳
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</Button>
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<Button
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variant={currentPage === 'storageCleaner' ? 'contained' : 'outlined'}
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onClick={() => setCurrentPage('storageCleaner')}
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sx={{ ml: 1 }}
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>
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存储清理
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</Button>
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</Box>
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{currentPage === 'timestamp' && <TimestampPage />}
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{currentPage === 'storageCleaner' && <StorageCleanerPage />}
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</div>
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);
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}
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```
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## 用户界面设计
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### 页面组成
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1. **头部区域**
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- 标题:"存储清理"
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- 当前域名显示(自动从活动标签页获取)
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2. **存储类型选择区域**
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- 勾选框:localStorage
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- 勾选框:sessionStorage
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- 勾选框:IndexedDB
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- 勾选框:Cookies
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- 勾选框:Cache Storage
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- 勾选框:Service Workers
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3. **自动刷新选项**
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- 复选框:清理完成后自动刷新页面(默认勾选)
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4. **操作区域**
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- 清理按钮
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5. **结果显示区域**
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- 清理成功/失败提示
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- 清理详情统计(如:"清理了 5 个 localStorage, 3 个 cookies")
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- 刷新页面按钮(当未勾选自动刷新时显示)
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## 技术实现细节
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### 获取当前标签页域名
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使用 Chrome Tabs API 获取当前活动标签页,并过滤受限页面:
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```typescript
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const [tab] = await chrome.tabs.query({ active: true, currentWindow: true });
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// 检查受限页面
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const restrictedProtocols = [
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'chrome:',
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'chrome-extension:',
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'about:',
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'edge:',
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'view-source:',
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'file:',
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'data:',
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];
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if (!tab?.url || restrictedProtocols.some((p) => tab.url!.startsWith(p))) {
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throw new Error('存储清理功能不支持此页面');
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}
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const domain = new URL(tab.url).hostname;
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```
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### 清理 Cookies(使用 chrome.cookies API)
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在扩展环境中直接执行,不需要注入页面:
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```typescript
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const cookies = await chrome.cookies.getAll({ url: tab.url });
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let count = 0;
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for (const cookie of cookies) {
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await chrome.cookies.remove({
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url: tab.url,
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name: cookie.name,
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storeId: cookie.storeId,
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});
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count++;
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}
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```
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### 注入脚本清理其他存储
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使用 `chrome.scripting.executeScript` 注入清理脚本:
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```typescript
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const result = await chrome.scripting.executeScript({
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target: { tabId: tab.id },
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func: () => {
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// 清理逻辑在页面上下文中执行
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},
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});
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```
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需要注入到页面执行的存储清理逻辑:
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#### 清理 localStorage
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```javascript
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const count = localStorage.length;
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localStorage.clear();
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return count;
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```
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#### 清理 sessionStorage
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```javascript
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const count = sessionStorage.length;
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sessionStorage.clear();
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return count;
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```
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#### 清理 IndexedDB
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```javascript
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// 检查 indexedDB.databases 方法是否可用
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if (typeof indexedDB.databases === 'function') {
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const databases = await indexedDB.databases();
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let count = 0;
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for (const db of databases) {
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const deleteReq = indexedDB.deleteDatabase(db.name);
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deleteReq.onblocked = () => {
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console.warn('IndexedDB delete blocked:', db.name);
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};
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await new Promise((resolve, reject) => {
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deleteReq.onsuccess = resolve;
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deleteReq.onerror = reject;
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});
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count++;
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}
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return count;
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}
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// 降级方案:由于无法获取所有数据库名称,提示返回特殊值表示需要手动操作
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return { error: 'databases_api_unavailable' };
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```
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#### 清理 Cache Storage
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```javascript
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if ('caches' in window) {
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const cacheNames = await caches.keys();
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for (const name of cacheNames) {
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await caches.delete(name);
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}
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return cacheNames.length;
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}
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return 0;
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```
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#### 注销 Service Workers
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```javascript
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if ('serviceWorker' in navigator) {
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const registrations = await navigator.serviceWorker.getRegistrations();
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let count = 0;
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for (const registration of registrations) {
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await registration.unregister();
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count++;
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}
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return count;
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}
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return 0;
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```
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### 数据流
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1. 页面加载时获取当前标签页 URL 并显示域名
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2. 检查是否为受限页面(chrome://, about:// 等),如果是则显示错误提示
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3. 用户勾选要清理的存储类型
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4. 用户选择是否自动刷新页面
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5. 用户点击清理按钮
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6. 弹出确认对话框询问用户确认
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7. 确认后执行清理:
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- 如果选择 Cookies:直接使用 chrome.cookies API 删除
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- 其他存储类型:向页面注入清理脚本
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8. 收集所有清理结果并统计
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9. 显示清理结果
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10. 如果勾选"自动刷新"或用户点击"刷新页面"按钮,执行页面刷新
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**注意:** 当触发页面刷新时,popup 会自动关闭。需要在刷新前显示提示信息。
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### 页面刷新
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```typescript
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// 显示刷新提示
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setRefreshing(true);
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setTimeout(async () => {
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await chrome.tabs.reload(tab.id);
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}, 1500); // 1.5秒延迟让用户看到提示信息
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```
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### 空状态处理
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当所有存储类型清理返回 0 时,显示友好的提示:
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```
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该页面没有可清理的存储数据
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```
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## 错误处理
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| 错误场景 | 处理方式 |
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| ------------------------------- | ---------------------------------------- |
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| 无法获取当前标签页 | 显示错误提示:"无法获取当前标签页" |
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| 受限页面(chrome://, about://) | 显示错误提示:"存储清理功能不支持此页面" |
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| 无法访问页面 URL | 显示错误提示:"无法访问此页面" |
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| IndexedDB onblocked | 显示警告但继续执行其他清理 |
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| IndexedDB.databases 不可用 | 使用降级方案或提示用户手动清除 |
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| 清理失败 | 显示具体错误信息 |
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| Cookies 删除失败 | 记录错误,显示清理失败提示 |
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| 无权限 | 提示用户刷新扩展或检查权限 |
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| 脚本注入失败 | 显示错误提示:"无法注入清理脚本" |
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**Popup 生命周期说明:**
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- Popup 在页面失去焦点时会关闭
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- 刷新页面后 Popup 会自动关闭
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- 需要在刷新前显示提示:"页面即将刷新,Popup 将关闭"
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## 用户偏好持久化
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使用现有的 `chromeStorage.ts` 工具保存用户偏好:
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```typescript
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// 保存用户偏好
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await storageUtil.set('storageCleaner/preferences', {
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autoRefresh: true, // 默认勾选自动刷新
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selectedTypes: {
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// 可以保存用户上次选择的存储类型
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localStorage: true,
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sessionStorage: true,
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indexedDB: true,
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cookies: true,
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cacheStorage: true,
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serviceWorkers: true,
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},
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});
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// 读取用户偏好
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const preferences = await storageUtil.get('storageCleaner/preferences', {
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autoRefresh: true,
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selectedTypes: {
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localStorage: true,
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sessionStorage: true,
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indexedDB: true,
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cookies: true,
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cacheStorage: true,
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serviceWorkers: true,
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},
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});
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```
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## 权限需求
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需要在 manifest 中添加 `cookies` 权限:
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```typescript
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permissions: [
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'storage',
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'unlimitedStorage',
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'clipboardWrite',
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'activeTab',
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'scripting',
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'tabs',
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'debugger',
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'cookies', // 新增
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],
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```
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## TypeScript 类型定义
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在现有 `types/storage.d.ts` 中添加存储清理相关的类型:
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```typescript
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export interface StorageSchema {
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'app/lastRoute': string;
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'app/theme': string;
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'storageCleaner/preferences': StorageCleanerPreferences;
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}
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export interface StorageCleanerPreferences {
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autoRefresh: boolean;
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selectedTypes: StorageCleanerOptions;
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}
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export interface StorageCleanerOptions {
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localStorage: boolean;
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sessionStorage: boolean;
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indexedDB: boolean;
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cookies: boolean;
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cacheStorage: boolean;
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serviceWorkers: boolean;
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}
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export type StorageCleanResult =
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| {
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success: true;
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count: number;
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}
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| {
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success: false;
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error: string;
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};
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export interface CleaningResult {
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success: boolean;
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error?: string;
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localStorage?: StorageCleanResult;
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sessionStorage?: StorageCleanResult;
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indexedDB?: StorageCleanResult;
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cookies?: StorageCleanResult;
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cacheStorage?: StorageCleanResult;
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serviceWorkers?: StorageCleanResult;
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}
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```
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## 测试计划
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1. 测试各种存储类型的单独清理
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2. 测试同时清理多种存储类型
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3. 测试自动刷新功能
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4. 测试手动刷新按钮
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5. 测试无存储数据时的清理(显示空状态提示)
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6. 测试无法访问页面的错误处理
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7. 测试受限页面(chrome://, about://, file://, data://)
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8. 测试 IndexedDB onblocked 场景
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9. 测试 httponly 和 secure cookies 清理
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10. 测试本地开发环境(localhost)
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11. 测试用户偏好持久化
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## 后续优化
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- 显示清理前的存储使用情况
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- 支持批量清理多个标签页
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- 支持自定义域名清理
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