'use strict'; /** * * * @author Zhong * @date 2019/11/12 * @version */ ((factory) => { if (typeof module !== 'undefined') { module.exports = factory(); } else { window._commonUtil = factory(); } })(() => { function isDef(val) { return typeof val !== 'undefined' && val !== null; } function isEmptyVal(val) { return val === null || val === undefined || val === ''; } return { isDef, isEmptyVal }; });