添加 pubsub.js

This commit is contained in:
sealday 2024-07-08 16:19:37 +08:00
parent b8acd0a3e4
commit d0124d1da4

36
pubsub.js Normal file
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class SimplePubSub {
subscribe(event, listener) {
}
unsubscribe(event, listener) {
}
publish(event, 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!');