删除 imp.js

imp.js

@@ -1,42 +0,0 @@
-class SimplePubSub {
-    events = [];
-    subscribe(event, listener) {
-        this.events.push({ event, listener });
-    }
-
-    unsubscribe(event, listener) {
-        this.events = this.events.filter(item => item.event !== event || item.listener !== listener); ;
-    }
-    publish(event, data) {
-        this.events.forEach(item => {
-            if (item.event === event) {
-                item.listener(data);
-            }
-        });
-    }
-}
-
-// 创建 PubSub 实例
-const pubSub = new SimplePubSub();
-
-// 定义订阅者
-const subscriber1 = (data) => {
-    console.log(`Subscriber 1 received: ${data}`);
-};
-
-const subscriber2 = (data) => {
-    console.log(`Subscriber 2 received: ${data}`);
-};
-
-// 订阅事件
-pubSub.subscribe('event1', subscriber1);
-pubSub.subscribe('event1', subscriber2);
-
-// 发布事件
-pubSub.publish('event1', 'Hello, World!');
-
-// 取消订阅
-pubSub.unsubscribe('event1', subscriber1);
-
-// 发布事件
-pubSub.publish('event1', 'Hello again!');