refactor: update background.ts comments for clarity and enhance alarm handling in reload logic; add alarms permission in wxt.config.ts
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+29
-31
@@ -5,12 +5,12 @@ import { createAllContextMenus, parseContextMenuClick } from '@/utils/contextMen
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import { saveContextMenuData } from '@/utils/useContextMenuData';
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export default defineBackground(() => {
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// 1. 扩展初次安装或更新时,注册右键上下文大闸
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// 1. 扩展初次安装或更新时,注册右键上下文菜单
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browser.runtime.onInstalled.addListener(() => {
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createAllContextMenus();
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});
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// 2. 右键点击中央中枢路由
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// 2. 右键点击路由
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browser.contextMenus.onClicked.addListener(async (info, _tab) => {
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const result = parseContextMenuClick(info.menuItemId as string, info);
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@@ -24,12 +24,10 @@ export default defineBackground(() => {
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const { featureKey, payload } = result.data;
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try {
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// 检查侧边栏(Side Panel)的挂载激活状态
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const sidePanelState = await browser.storage.local.get('sidePanelOpen');
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const isSidePanelOpen = sidePanelState.sidePanelOpen === true;
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if (isSidePanelOpen) {
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// 如果侧边栏正开着,利用高性能管道直发
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await sendMessage(MessageAction.CONTEXT_MENU_CLICKED, { featureKey, payload });
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return;
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}
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@@ -37,18 +35,13 @@ export default defineBackground(() => {
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console.debug('[Context Menu] Side panel pipeline is not available:', err);
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}
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// 💡 核心自愈机制:保存数据到共享沙箱 Storage,Popup 打开后(无论是自动还是手动)都会读取
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await saveContextMenuData({ featureKey, payload });
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// 打开 popup 弹窗
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try {
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await browser.action.openPopup();
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} catch (err) {
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// 💡 修复点:自动打开 Popup 失败时,绝对不能将 pendingData 撕毁!
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// 保持数据留在 storage 内部,由于 Service Worker 的持久化,用户之后不管什么时候手动点开图标,
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// 数据依旧完好如初,完美契合了你的设计注释!
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console.warn(
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'[Context Menu] 自动打开 popup 失败,请手动点击扩展图标,暂存数据已安全保留在内存中:',
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'[Context Menu] 自动打开 popup 失败,请手动点击扩展图标,暂存数据已安全保留:',
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err,
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);
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}
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@@ -65,7 +58,7 @@ export default defineBackground(() => {
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}
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});
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// 💡 3. 异步刷新请求监听
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// 3. 异步刷新请求监听(统一使用 alarms API,避免 MV3 Service Worker 被销毁导致任务丢失)
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onMessage(MessageAction.RELOAD_TAB, async (message) => {
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const { tabId, delay = 0 } = message.data;
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@@ -75,28 +68,33 @@ export default defineBackground(() => {
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});
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};
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// 如果小于 1000ms(短抖动缓冲),可以使用极轻量级 setTimeout 防御
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// 如果是秒级以上的延时,为防止 Service Worker 闲置被内核销毁,应当使用 Alarms 沙箱驱动
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if (delay > 0 && delay < 1000) {
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setTimeout(executeReload, delay);
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} else if (delay >= 1000) {
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const alarmName = `reload-tab-${tabId}-${Date.now()}`;
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// 创建一个临时的一次性 Alarm 闹钟
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await browser.alarms.create(alarmName, { when: Date.now() + delay });
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// 动态注册一个一次性的生命周期续航守卫
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const alarmListener = (alarm: { name: string }) => {
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if (alarm.name === alarmName) {
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executeReload();
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browser.alarms.onAlarm.removeListener(alarmListener);
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}
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};
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browser.alarms.onAlarm.addListener(alarmListener);
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} else {
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if (delay <= 0) {
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executeReload();
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return { success: true };
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}
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return { success: true, message: '刷新请求已通过常驻 Service Worker 安全隔离区' };
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const alarmName = `reload-tab-${tabId}-${Date.now()}`;
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// 创建一次性 Alarm,由浏览器内核保障触发(不受 Service Worker 生命周期影响)
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await browser.alarms.create(alarmName, { when: Date.now() + delay });
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// 兜底清理:若 alarm 因异常未触发,delay 后 5 秒强制移除监听器并清理 alarm
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const cleanupTimeout = setTimeout(() => {
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browser.alarms.onAlarm.removeListener(alarmListener);
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browser.alarms.clear(alarmName).catch(() => {});
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}, delay + 5000);
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const alarmListener = (alarm: { name: string }) => {
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if (alarm.name !== alarmName) return;
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clearTimeout(cleanupTimeout);
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executeReload();
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browser.alarms.onAlarm.removeListener(alarmListener);
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browser.alarms.clear(alarmName).catch(() => {});
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};
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browser.alarms.onAlarm.addListener(alarmListener);
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return { success: true };
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});
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});
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