zhaoshang_client_ui/src/utils/base-event.ts

import mitt, { Emitter, EventType } from "mitt";

export class BaseEvent {
  protected _eventbus: Emitter<Record<EventType, unknown>>;
  constructor() {
    this._eventbus = mitt();
  }
  addEventListener(eventName: string, callback) {
    this._eventbus.on(eventName, callback);
    return this;
  }
  removeEventListener(eventName: string, callback?) {
    this._eventbus.off(eventName, callback);
    return this;
  }
  allClear() {
    this._eventbus.all.clear();
  }
}