let _debounceTimeout = null,
	_throttleRunning = false

/**
 * 防抖
 * @param {Function} 执行函数
 * @param {Number} delay 延时ms
 */
export const debounce = (fn, delay=500) => {
	clearTimeout(_debounceTimeout);
	_debounceTimeout = setTimeout(() => {
		fn();
	}, delay);
}
/**
 * 节流
 * @param {Function} 执行函数
 * @param {Number} delay 延时ms
 */
export const throttle = (fn, delay=500) => {
	if(_throttleRunning){
		return;
	}
	_throttleRunning = true;
	fn();
	setTimeout(() => {
	    _throttleRunning = false;
	}, delay);
}
/**
 * toast
 */
export const msg = (title = '', param={}) => {
	if(!title) return;
	uni.showToast({
		title,
		duration: param.duration || 1500,
		mask: param.mask || false,
		icon: param.icon || 'none'
	});
}
/**
 * 检查登录
 * @return {Boolean}
 */
export const isLogin = (options={}) => {
	const userInfo = uni.getStorageSync('userInfo');
	if(userInfo){
		return true;
	}
	if(options.nav !== false){
		uni.navigateTo({
			url: '/pages/login'
		})
	}
	return false;
}