Node.js http[s].request helper

http-request-helper.js

// ClientRequest -> Promise<IncomingMessage> with an extra .body field that is a Buffer of the entire response
const response = request =>
	new Promise((resolve, reject) =>
		request
			.once('response', response => {
				const chunks = [];
				response.on('data', chunk => chunks.push(chunk)).once('end', () => {
					response.body = Buffer.concat(chunks);
					resolve(response);
				});
			})
			.once('error', error => reject(error)),
	);