/**
 * 方法节流
 * @param wait 节流时间 单位秒
 */
export default function Throttle(wait: number) {
	return function (target: any, keyname: string, descriptor: PropertyDescriptor) {
		const method: Function = descriptor.value;
		let timer: number = null;
		descriptor.value = function (...args: any[]) {
			if (timer) {
				return;
			} else {
				timer = setInterval(() => {
					clearInterval(timer);
					timer = null;
				}, wait * 1000);
				return method.apply(this, args);
			}
		};
	};
}