SnowCat 雪猫底层全源码：NapCat 4.18.28 底座 + SnowLuma 能力移植 + V8 通道适配 9.9.37
26 包 monorepo（TS 全源码）： - snowcat-core: NT 内核 API 封装 + listener（含 9.9.37 六回调适配）+ Packet 发包 - snowcat-onebot: OneBot v11 全动作 + MCP Streamable HTTP 适配器 + 稳定线 - snowcat-webui-frontend/backend: 雪猫控制台（React+HeroUI） - snowcat-shell: 单文件 bundle 出口（vite inlineDynamicImports） - snowcat-native: napi2native / MoeHoo / ffmpeg / pty 运行时 - 56 项 SnowLuma 独门动作移植（qzone 全家桶/群相册/装扮/闪照/收藏） - 工具件: 解包器/启动器/便携制作器/doctor GitHub 关联已全量指向 DandanLLab/SnowCatQQ
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import fs from 'fs';
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// generate Claude 3.7 Sonet Thinking
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interface FileRecord {
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filePath: string;
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addedTime: number;
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retries: number;
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}
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interface CleanupTask {
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fileRecord: FileRecord;
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timer: NodeJS.Timeout;
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}
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class CleanupQueue {
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private tasks: Map<string, CleanupTask> = new Map();
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private readonly MAX_RETRIES = 3;
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private isProcessing: boolean = false;
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private pendingOperations: Array<() => void> = [];
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/**
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* 执行队列中的待处理操作，确保异步安全
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*/
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private executeNextOperation (): void {
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if (this.pendingOperations.length === 0) {
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this.isProcessing = false;
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return;
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}
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this.isProcessing = true;
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const operation = this.pendingOperations.shift();
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operation?.();
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// 使用 setImmediate 允许事件循环继续，防止阻塞
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setImmediate(() => this.executeNextOperation());
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}
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/**
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* 安全执行操作，防止竞态条件
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* @param operation 要执行的操作
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*/
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private safeExecute (operation: () => void): void {
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this.pendingOperations.push(operation);
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if (!this.isProcessing) {
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this.executeNextOperation();
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}
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}
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/**
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* 检查文件是否存在
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* @param filePath 文件路径
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* @returns 文件是否存在
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*/
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private fileExists (filePath: string): boolean {
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try {
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return fs.existsSync(filePath);
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} catch (_error) {
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// console.log(`检查文件存在出错: ${filePath}`, error);
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return false;
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}
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}
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/**
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* 添加文件到清理队列
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* @param filePath 文件路径
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* @param cleanupDelay 清理延迟时间(毫秒)
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*/
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addFile (filePath: string, cleanupDelay: number): void {
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this.safeExecute(() => {
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// 如果文件已在队列中，取消原来的计时器
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if (this.tasks.has(filePath)) {
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this.cancelCleanup(filePath);
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}
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// 创建新的文件记录
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const fileRecord: FileRecord = {
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filePath,
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addedTime: Date.now(),
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retries: 0,
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};
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// 设置计时器
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const timer = setTimeout(() => {
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this.cleanupFile(fileRecord, cleanupDelay);
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}, cleanupDelay);
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// 添加到任务队列
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this.tasks.set(filePath, { fileRecord, timer });
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});
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}
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/**
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* 批量添加文件到清理队列
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* @param filePaths 文件路径数组
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* @param cleanupDelay 清理延迟时间(毫秒)
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*/
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addFiles (filePaths: string[], cleanupDelay: number): void {
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this.safeExecute(() => {
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for (const filePath of filePaths) {
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// 内部直接处理，不通过 safeExecute 以保证批量操作的原子性
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if (this.tasks.has(filePath)) {
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// 取消已有的计时器，但不使用 cancelCleanup 方法以避免重复的安全检查
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const existingTask = this.tasks.get(filePath);
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if (existingTask) {
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clearTimeout(existingTask.timer);
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}
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}
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const fileRecord: FileRecord = {
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filePath,
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addedTime: Date.now(),
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retries: 0,
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};
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const timer = setTimeout(() => {
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this.cleanupFile(fileRecord, cleanupDelay);
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}, cleanupDelay);
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this.tasks.set(filePath, { fileRecord, timer });
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}
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});
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}
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/**
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* 清理文件
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* @param record 文件记录
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* @param delay 延迟时间，用于重试
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*/
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private cleanupFile (record: FileRecord, delay: number): void {
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this.safeExecute(() => {
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// 首先检查文件是否存在，不存在则视为清理成功
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if (!this.fileExists(record.filePath)) {
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// console.log(`文件已不存在，跳过清理: ${record.filePath}`);
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this.tasks.delete(record.filePath);
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return;
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}
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try {
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// 尝试删除文件
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fs.unlinkSync(record.filePath);
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// 删除成功，从队列中移除任务
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this.tasks.delete(record.filePath);
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} catch (error) {
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const err = error as NodeJS.ErrnoException;
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// 明确处理文件不存在的情况
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if (err.code === 'ENOENT') {
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// console.log(`文件在删除时不存在，视为清理成功: ${record.filePath}`);
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this.tasks.delete(record.filePath);
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return;
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}
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// 文件没有访问权限等情况
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if (err.code === 'EACCES' || err.code === 'EPERM') {
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// console.error(`没有权限删除文件: ${record.filePath}`, err);
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}
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// 其他删除失败情况，考虑重试
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if (record.retries < this.MAX_RETRIES - 1) {
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// 还有重试机会，增加重试次数
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record.retries++;
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// console.log(`清理文件失败，将重试(${record.retries}/${this.MAX_RETRIES}): ${record.filePath}`);
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// 设置相同的延迟时间再次尝试
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const timer = setTimeout(() => {
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this.cleanupFile(record, delay);
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}, delay);
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// 更新任务
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this.tasks.set(record.filePath, { fileRecord: record, timer });
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} else {
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// 已达到最大重试次数，从队列中移除任务
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this.tasks.delete(record.filePath);
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// console.error(`清理文件失败，已达最大重试次数(${this.MAX_RETRIES}): ${record.filePath}`, error);
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}
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}
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});
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}
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/**
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* 取消文件的清理任务
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* @param filePath 文件路径
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* @returns 是否成功取消
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*/
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cancelCleanup (filePath: string): boolean {
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let cancelled = false;
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this.safeExecute(() => {
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const task = this.tasks.get(filePath);
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if (task) {
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clearTimeout(task.timer);
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this.tasks.delete(filePath);
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cancelled = true;
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}
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});
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return cancelled;
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}
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/**
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* 获取队列中的文件数量
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* @returns 文件数量
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*/
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getQueueSize (): number {
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return this.tasks.size;
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}
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/**
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* 获取所有待清理的文件
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* @returns 文件路径数组
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*/
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getPendingFiles (): string[] {
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return Array.from(this.tasks.keys());
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}
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/**
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* 清空所有清理任务
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*/
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clearAll (): void {
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this.safeExecute(() => {
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// 取消所有定时器
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for (const task of this.tasks.values()) {
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clearTimeout(task.timer);
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}
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this.tasks.clear();
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// console.log('已清空所有清理任务');
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});
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}
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}
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export const cleanTaskQueue = new CleanupQueue();
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