npmchenwei111/app/utils/Utils.js

test1111

/**
 * Created by chenwei on 2017/7/13.
 */
const Utils = {

  isEmpty: (str) => {

    if (str == null) return true   //undefined or null

    if (typeof str === 'object')
      return str.length === 0

    return str === '' || str === 'null'

  },

  avoidNull: (obj) => {
    return obj ? obj : {}
  },

  avoidNullArray: (obj) => {
    return obj ? obj : []
  },

  nono: (obj, defaultValue) => {
    return obj ? obj : defaultValue
  }

}

export default Utils