PubSubJS：用JavaScript编写的基于主题的发布/订阅库

PubSubJS is a topic-based publish/subscribe library written in JavaScript.

文档：

• npm: https://www.npmjs.com/package/pubsub-js
• github: https://github.com/mroderick/PubSubJS

安装

npm i pubsub-js -S

使用示例

const PubSub = require('pubsub-js');

// 定义事件处理器
function eventHandler (msg, data) {
  console.log(msg, data);
};


// 将主题定义为常量
const TOPIC_NAME = Symbol('topic');

// 订阅
var token = PubSub.subscribe(TOPIC_NAME, eventHandler);
// 取消订阅
// PubSub.unsubscribe(token);

// 发布
PubSub.publish(TOPIC_NAME, 'hello world!');