game_cocos_2c/assets/scripts/modules/lobby/ui/invite/UIInvite.ts

import { UIPopup } from '@scripts/framework/ui/UIPopup';
import { addBtnClick } from '@scripts/utils/UIHelper';
import { _decorator, Component, Node } from 'cc';
const { ccclass, property } = _decorator;

@ccclass('UIInvite')
export class UIInvite extends UIPopup {
    @property(Node)
    btnClose: Node;

    protected onCreate(): void | Promise<void> {
        addBtnClick(this.btnClose, this.closeSelf, this);
    }
}