add sample.js

-const express= require('express');
-const app = express();
-var request = require('request');
-const got = require('got');
-
-//필요한 주소 정보 (data 형식 확정 x )
-let addresses = `{
+const Request=require('request')
+const fetch = require('node-fetch')
+const addrJson = `{
   "current_address" : { "address" : "현재 위치 주소", "x" : 127.1058342, "y" : 37.359708},
   "current_address" : { "address" : "현재 위치 주소", "x" : 127.1058342, "y" : 37.359708},
   "number" : 2,
   "number" : 2,
   "hospital_data" :[
   "hospital_data" :[
@@ -13,50 +9,45 @@ let addresses = `{
   ]
   ]
 }`
 }`
 
 
-const address = JSON.parse(addresses)
+const addrData = JSON.parse(addrJson);
+
+const ID = '12rhzhzq7g';
+const KEY = 'FhD45P91TxG2820MadrsiPOUjI6bQMJhddnHZIeI';
+
+const data = {
+  cur: addrData["current_address"],
+  dist: addrData["hospital_data"].map((e)=> {return {x: e.x, y: e.y}})
+}
 
 
-var options = {
+const fetchAPI = async () => {    
+  const baseOption = {
       'method': 'GET',
       'method': 'GET',
-  'url': 'https://naveropenapi.apigw.ntruss.com/map-direction-15/v1/driving?start='+address.current_address.x+','
-            +address.current_address.y+'&goal='+address.hospital_data[0].x+','+address.hospital_data[0].y+'&option=trafast',
       'headers': {
       'headers': {
       'X-NCP-APIGW-API-KEY-ID': '12rhzhzq7g',
       'X-NCP-APIGW-API-KEY-ID': '12rhzhzq7g',
       'X-NCP-APIGW-API-KEY': 'FhD45P91TxG2820MadrsiPOUjI6bQMJhddnHZIeI'
       'X-NCP-APIGW-API-KEY': 'FhD45P91TxG2820MadrsiPOUjI6bQMJhddnHZIeI'
       },
       },
-};
+  };
 
 
-const ID = '12rhzhzq7g';
-const KEY = 'FhD45P91TxG2820MadrsiPOUjI6bQMJhddnHZIeI';
+  const promiseList = data.dist.map(async (dist, idx)=> {
+      const url = `https://naveropenapi.apigw.ntruss.com/map-direction-15/v1/driving?start=${data.cur.x},${data.cur.y}&goal=${dist.x},${dist.y}&option=trafast`;
       
       
-async function direction(data){
-    var num = data.number;
-    var a = []
-    for (let i =0; i<num; i++){
-      a.push('https://naveropenapi.apigw.ntruss.com/map-direction-15/v1/driving?start='+data.current_address.x+','+data.current_address.y+'&goal='+data.hospital_data[i].x+','+data.hospital_data[i].y+'&option=trafast')
-    }
-      console.log(a)
-      const PromiseList = a.map(async (e)=> {
-        const _url = 'https://naveropenapi.apigw.ntruss.com/map-direction-15/v1/driving?start='+data.current_address.x+','+data.current_address.y+'&goal='+data.hospital_data[i].x+','+data.hospital_data[i].y+'&option=trafast';
-        options.url = _url;
-          
-          return await request(options,function(error, respose){
-            console.log("11111111111111111")
-            var databody = JSON.parse(respose.body);
-            if (databody.code !=1){
-            console.log("2222222222222222")
-            console.log(databody)
-            var distance = databody.route.trafast[0].summary.distance/1000; // km 단위
-            var duration = databody.route.trafast[0].summary.duration/1000/60; // 분 단위dy
-            data.hospital_data[i].distance = distance;
-            console.log(data.hospital_data[i].distance)
-            data.hospital_data[i].duration = duration;}
-            })
-      })
 
 
-      const result = await Promise.all(PromiseList)
+      let request = new Request(url, baseOption);
 
 
+      return fetch(request).then(async res => {
+          const data = await res.json();
+      
+          const distance = data.route?.trafast[0].summary.distance;
+          const duration = data.route?.trafast[0].summary.duration;
+          addrData["hospital_data"][idx].distance = distance;
+          addrData["hospital_data"][idx].duration = duration;
+      });
+  })   
 
 
+  Promise.all(promiseList).then(()=> {
+      console.log("fetch end");
+      console.log(addrData);
+  });
+}
 
 
-    console.log(result)
-    return result}
-console.log(direction(address))
\ No newline at end of file
+fetchAPI();
\ No newline at end of file