origin_storage_manager/app/subscriber.js

multi cloud's storage event manager

class Subscriber {
  constructor() {
    this.subscribers = {};
  }

  publish = (eventName, data) => {
    if (!Array.isArray(this.subscribers[eventName])) {
      return;
    }

    this.subscribers[eventName].forEach((callback) => {
      callback(data);
    });
  };

  subscribe = (eventName, callback) => {
    if (!Array.isArray(this.subscribers[eventName])) {
      this.subscribers[eventName] = [];
    }

    this.subscribers[eventName].push(callback);
  };
}

export default Subscriber;