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get-attr-by-another-attr

v1.0.0

Published

根据某个属性名key及属性值value从对象数组arr中获取另外一属性attr的值

Downloads

2

Readme

根据某个属性名key及属性值value从对象数组arr中获取另外一属性attr的值
如果根据属性名key及属性值value能查到某个对象(仅查找符合条件的第一个对象)

  1. attr为空字符串返回查找到的对象
  2. 查找到对象的attr有值则返回该值
  3. 其他情况均返回空字符串
    如果查不到对象则返回空字符串

安装

npm i get-attr-by-another-attr

使用

import gaba from "get-attr-by-another-attr"
let obj = [{
  name:'zs',
  id:'1234',
  age:20,
},{
  name:'zs1',
  id:'1235',
  age:19,
}{
  name:'zs2',
  id:'1236',
  age:20,
}]
// 想要获取id为1234对象的name属性
let new_obj = gaba(obj,{key:"id",value:"1234",attr:"name"})
// new_obj ='zs'
 
// 想要获取id为1234的对象
let new_obj2 = gaba(obj,{key:"id",value:"1234",attr:""})
/*
new_obj2 
{
  name:'zs',
  id:'1234',
  age:20,
}
*/
 
// 想要获取id为1234的对象的gander属性
let new_obj3 = gaba(obj,{key:"id",value:"1234",attr:"gander"})
// new_obj3 =""

其他情况

如果第一个参数不是数组,抛出错误并返回空字符串 如果第二个参数不是对象,抛出错误并返回空字符串 如果第二个参数对象中不包含key,value,attr中任意一个,抛出错误并返回空字符串