System.register(["cc"], function (_export, _context) {
  "use strict";

  var _cclegacy, EventBus, _crd;

  _export("EventBus", void 0);

  return {
    setters: [function (_cc) {
      _cclegacy = _cc.cclegacy;
    }],
    execute: function () {
      _crd = true;

      _cclegacy._RF.push({}, "c8a86xBewJDqY1y753RSQuf", "eventBus", undefined);

      //声明类
      _export("EventBus", EventBus = class EventBus {
        constructor() {
          this.eventList = void 0;
          //定义事件总线对象
          this.eventList = {};
        } //监听，或者说是发布


        on(eventName, fn) {
          var eventItem = this.eventList[eventName];
          eventItem ? eventItem.push(fn) : this.eventList[eventName] = [fn];
        } //触发，订阅


        emit(eventName) {
          for (var _len = arguments.length, arg = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
            arg[_key - 1] = arguments[_key];
          }

          this.eventList[eventName] && this.eventList[eventName].forEach(fn => {
            fn(...arg);
          });
        }

      });

      _export("default", EventBus);

      _cclegacy._RF.pop();

      _crd = false;
    }
  };
});
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