qm-bus/src/util/ObjectUtil.js

千米公有云业务组件库

/**
 * @author gcy[of1518]
 * @date 2017.02
 *
 * @description 对象拓展工具类
 */

/**
 * 空对象判断
 */
const isEmptyObject = (obj = {}) => {
  return typeof obj == 'object' && Object.keys(obj).length === 0
}
exports.isEmptyObject = isEmptyObject

/**
 * component props 拆分props
 * @param {object} obj props
 * @param {object} parts props container
 */
const splitObject = (obj, parts) => {
  let extra = {}
  let orign = {}
  Object.keys(obj).forEach(v => {
    parts.indexOf(v) !== -1 ? (extra[v] = obj[v]) : (orign[v] = obj[v])
  })
  return [extra, orign]
}
exports.splitObject = splitObject

/**
 * 对象包装
 * @param {object} obj  {_hash:0937343,id:001001}
 * @param {Array} parts ['_hash', ''], ['id:pid', 0], ['bn', 999],
 * @return {object} result {_hash:0937343,pid:001001,bn:999}
 */
const collectObject = (obj, parts) => {
  let result = {}
  let orign = Object.keys(obj)
  parts.forEach((v, k) => {
    let [name, defaultValue] = v
    let oldName = '',
      newName = ''
    if (name.indexOf(':') !== -1) {
      ;[oldName, newName] = name.split(':')
    } else {
      ;[oldName, newName] = [name, name]
    }
    if (orign.indexOf(oldName) !== -1) {
      result[newName] = obj[oldName]
    } else {
      result[newName] = defaultValue
    }
  })
  return result
}
exports.collectObject = collectObject