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Node.js: Yahoo 郵便番号検索API の使い方

参考ページ
郵便番号検索API

get_address.js
#! /usr/bin/node
// ---------------------------------------------------------------
//	get_address.js
//
//					Jul/31/2022
//
// ---------------------------------------------------------------
'use strict'
import * as https from "https"
import * as dotenv from "dotenv"

console.error ("*** 開始 ***")
dotenv.config()
const APPID = `${process.env.APPID}`

const code_zip = process.argv[2]
console.log(code_zip)


const url_base = 'https://map.yahooapis.jp/search/zip/V1/zipCodeSearch'
const url = url_base + "?query=" + code_zip + "&output=json"

const headers = {
		"Content-Type": "application/json",
		"User-Agent": "Yahoo AppID: " + APPID
	}

const options = {"headers": headers}

const req = https.get(url, options, res => {
	console.log(`statusCode: ${res.statusCode}`)

	res.on('data', dd => {
//	process.stdout.write(dd)
	const dict_aa = JSON.parse (dd)
	console.log(dict_aa['Feature'][0]['Property']['Address'])
	console.error ("*** 終了 ***")
	})
})

req.on('error', error => {
	console.error(error)
})

req.end()

// ---------------------------------------------------------------
package.json
{
  "type": "module"
}
.env
APPID = 'dj0zaiZpPW9NN3F****'

実行例

./get_address.js 131-8634

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Help us understand the problem. What are the problem?