/**
 *****************************************
 * Created by edonet@163.com
 * Created on 2021-05-23 10:59:55
 *****************************************
 */
'use strict';


/**
 *****************************************
 * 事件对象
 *****************************************
 */
interface Target {
    once(name: string, handler: (...args: any[]) => unknown): unknown;
}


/**
 *****************************************
 * 单次监听
 *****************************************
 */
export function once(target: Target, name: string): Promise<void> {
    return new Promise(resolve => target.once(name, resolve));
}