Pure http/https request on Node.js

fetch.js

const http = require("http");
const https = require("https");
const fetch = (url, headers) => {
	const urlObject = new URL(url);
	const options = {
		hostname: urlObject.hostname,
		path: urlObject.pathname + urlObject.search,
		method: 'GET',
		headers: headers
	};
	return new Promise((resolve, reject) => {
		(urlObject.protocol === "http:" ? http : https).request(options, (response) => {
			let data = '';
			response.setEncoding('utf8');
			response.on('data', (chunk) => {
				data += chunk
			});
			response.on('end', () => {
				resolve(data);
			});
		}).on("error", (error) => {
			reject(error);
		}).end();
	});
}
(async function () {
	const res = await fetch("https://example.metadata", {
		'Metadata-Flavor': 'Google',
	});
	console.log(res);
})()