mk_framework/temp/quick-scripts/dst/assets/script/mk/system/EventSystem.js

                (function() {
                    var nodeEnv = typeof require !== 'undefined' && typeof process !== 'undefined';
                    var __module = nodeEnv ? module : {exports:{}};
                    var __filename = 'preview-scripts/assets/script/mk/system/EventSystem.js';
                    var __require = nodeEnv ? function (request) {
                        return cc.require(request);
                    } : function (request) {
                        return __quick_compile_project__.require(request, __filename);
                    };
                    function __define (exports, require, module) {
                        if (!nodeEnv) {__quick_compile_project__.registerModule(__filename, module);}"use strict";
cc._RF.push(module, 'aab27lcX9pAz5SQ16UkErbh', 'EventSystem');
// script/mk/system/EventSystem.ts

"use strict";
var __spreadArrays = (this && this.__spreadArrays) || function () {
    for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;
    for (var r = Array(s), k = 0, i = 0; i < il; i++)
        for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
            r[k] = a[j];
    return r;
};
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * 游戏事件管理类
 * @author 冯聪
 */
var EventSystem = /** @class */ (function () {
    function EventSystem() {
        /** 监听数组 */
        this.listeners = {};
    }
    /**
     * 注册事件
     * @param name     事件名称
     * @param callback 回调函数
     * @param target   目标脚本（this）
     */
    EventSystem.prototype.register = function (name, callback, target) {
        //如果没有该事件
        if (!this.listeners[name]) {
            this.listeners[name] = [];
        }
        var observers = this.listeners[name];
        var length = observers.length;
        for (var i = 0; i < length; i++) {
            var observer = observers[i];
            if (observer.compare(target)) {
                console.warn("[EventMgr]重复添加监听,请检查事件:", name);
                return;
            }
        }
        this.listeners[name].push(new Observer(callback, target));
    };
    /**
     * 移除事件
     * @param name     事件名称
     * @param callback 回调函数
     * @param target   目标脚本（this)
     */
    EventSystem.prototype.remove = function (name, callback, target) {
        var observers = this.listeners[name];
        if (!observers)
            return;
        var length = observers.length;
        for (var i = 0; i < length; i++) {
            var observer = observers[i];
            if (observer.compare(target)) {
                observers.splice(i, 1);
                break;
            }
        }
        if (observers.length == 0) {
            delete this.listeners[name];
        }
    };
    /**
     * 发送事件
     * @param name 事件名称
     */
    EventSystem.prototype.emit = function (name) {
        var args = [];
        for (var _i = 1; _i < arguments.length; _i++) {
            args[_i - 1] = arguments[_i];
        }
        var observers = this.listeners[name];
        if (!observers)
            return;
        //克隆一个新数组(暂时concat代替),然后分发事件,防止那边remove之后,[0 1] 变成 [1] 然后1号位为undefined
        var tempObservers = observers.concat();
        var length = tempObservers.length;
        for (var i = 0; i < length; i++) {
            var observer = tempObservers[i];
            observer.notify.apply(observer, __spreadArrays(args, [name]));
        }
        //置空释放
        tempObservers = null;
    };
    return EventSystem;
}());
exports.default = EventSystem;
/**事件观察者类*/
var Observer = /** @class */ (function () {
    /** 构造函数 */
    function Observer(callback, target) {
        /** 回调函数 */
        this.callback = null;
        /** 目标脚本 */
        this.target = null;
        var self = this;
        self.callback = callback;
        self.target = target;
    }
    /**
     * 发送通知
     * @param args 不定参数
     */
    Observer.prototype.notify = function () {
        var _a;
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        var self = this;
        (_a = self.callback).call.apply(_a, __spreadArrays([self.target], args));
    };
    /**
     * 脚本比较
     * @param target 绑定的对象脚本
     */
    Observer.prototype.compare = function (target) {
        return target == this.target;
    };
    return Observer;
}());

cc._RF.pop();
                    }
                    if (nodeEnv) {
                        __define(__module.exports, __require, __module);
                    }
                    else {
                        __quick_compile_project__.registerModuleFunc(__filename, function () {
                            __define(__module.exports, __require, __module);
                        });
                    }
                })();
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