orderedArray=(n)=>[...new Array(n).keys()] 
orderedArray(10) //[0, 1, 2, 3, 4, 5, 6, 7, 8, 9
orderedArray(6).map(i=>i+4) //[4, 5, 6, 7, 8, 9]
orderedArray(6).map(i=>(i+1)*4)//[4, 8, 12, 16, 20, 24]

let test = { a: "hhh", dd: "ddd", e: { f: "哈哈哈" } };
let length = 0;
stringLength = (val) => {
  for (const key in val) {
    if (typeof val[key] == "object") {
      stringLength(val[key]);
    } else {
      length += val[key].length;
    }
  }
};
stringLength(test);
console.log(length);

module.exports = {
  a: 1,
  b: {
    c: 2
  },
  d: [{ e: 5 }]
};

const data = require("./data.js");
let emun = {id:'',describe:'',must:"是"}
 let keyWord = 'filed'
 let strType = 'type'
 let typeEmun = {
   'number':'NUMBER',
   'string':'STRING',
   'boolean':'BOOLEAN',
   'object':'LIST OBJECT'
 }
 let count = 0
 let output = []
 function coverData(data,output){
    for(let d in data){
        if(typeof data[d] !='object'){
            output.push(yuansu(d,data[d]))
        }else{
            let temp = yuansu(d,data[d])
            temp.children=[]
           let index = output.push(temp)
           if(data[d] instanceof Array &&data[d].length==1){
            coverData(data[d][0],output[index-1]['children'])
           }else{
            coverData(data[d],output[index-1]['children'])
           }
        }
    }
 }
 function yuansu(d,data){
        count++;
        emun.id = count
        let temp = JSON.parse(JSON.stringify(emun))
        temp[keyWord] = d
        temp[strType] = typeEmun[typeof data]
        return temp
 }
coverData(data,output)
console.log(JSON.stringify(output))

[
  { id: 1, describe: "", must: "是", filed: "a", type: "NUMBER" },
  {
    id: 2,
    describe: "",
    must: "是",
    filed: "b",
    type: "LIST OBJECT",
    children: [{ id: 3, describe: "", must: "是", filed: "c", type: "NUMBER" }]
  },
  {
    id: 4,
    describe: "",
    must: "是",
    filed: "d",
    type: "LIST OBJECT",
    children: [{ id: 5, describe: "", must: "是", filed: "e", type: "NUMBER" }]
  }
];