From 06ea4fb287ee670704eed8004ffb5d8d588646ec Mon Sep 17 00:00:00 2001
From: Hoikan <408255371@qq.com>
Date: Fri, 14 Mar 2025 16:01:04 +0800
Subject: [PATCH] chore: test cr

---
 test.ts | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 test.ts

diff --git a/test.ts b/test.ts
new file mode 100644
index 00000000..05076a99
--- /dev/null
+++ b/test.ts
@@ -0,0 +1,57 @@
+class ResourceManager {
+  private resources: Map<string, any[]> = new Map();
+  private eventListeners: { [key: string]: EventListener } = {};
+
+  constructor() {
+    // 创建大量事件监听器但没有清理机制
+    window.addEventListener('resize', this.handleResize);
+    document.addEventListener('click', this.handleClick);
+
+    // 启动定时器但没有清理
+    setInterval(this.collectData, 1000);
+  }
+
+  private handleResize = () => {
+    // 每次窗口大小变化时，都添加新数据到资源中但从不清理
+    const newData = new Array(10000).fill(0).map(() => ({
+      id: Math.random().toString(),
+      value: new Array(1000).fill('large string data'),
+    }));
+
+    this.resources.set(`resize_${Date.now()}`, newData);
+    console.log('Added new resize data');
+  };
+
+  private handleClick = (event: MouseEvent) => {
+    // 为每个点击创建一个新闭包，捕获点击事件但从不释放
+    const clickData = { x: event.clientX, y: event.clientY, timestamp: Date.now() };
+
+    const element = document.getElementById('tracking-area');
+    if (element) {
+      // 创建新的事件监听器但从不移除旧的
+      const listener = () => {
+        console.log('Processing click data:', clickData);
+      };
+
+      element.addEventListener('mouseover', listener);
+      this.eventListeners[`click_${Date.now()}`] = listener;
+    }
+  };
+
+  private collectData = () => {
+    // 定期收集数据但从不清理
+    const largeData = new Array(5000).fill(0).map(() => new Uint8Array(1024));
+    this.resources.set(`data_${Date.now()}`, largeData);
+  };
+
+  // 缺少析构函数或清理方法来移除事件监听器和释放资源
+}
+
+// 创建实例但从不销毁
+let manager: ResourceManager | null = new ResourceManager();
+
+// 模拟单页应用路由变化，但没有清理旧的资源管理器
+function navigateToNewPage() {
+  // 创建新的管理器，但没有清理旧的
+  manager = new ResourceManager(); // 旧的manager实例仍然存在，但已经无法访问
+}