node https get and post request as promise with optional JWT

https-service.js

const https = require("https");

// based on https://stackoverflow.com/questions/35182752/promises-with-http-get-node-js
module.exports = {
    get(urlString, token = null) {
        return new Promise((resolve, reject) => {
            const url = new URL(urlString);
            const requestOptions = {
                method: "GET",
                hostname: url.hostname,
                path: url.pathname + url.search,
                port: url.port,
                headers: {
                    accept: "application/json",
                },
            };

            if (token !== null) {
                requestOptions.headers.Authorization = `Bearer ${token}`;
            }

            const req = https.request(requestOptions, (response) => {
                let responseBody = "";

                if (response.status >= 400) {
                    reject(
                        `Request to ${response.url} failed with HTTP ${response.status}`
                    );
                }

                response.setEncoding("utf8");

                response.on("data", (chunk) => {
                    responseBody += chunk.toString();
                });

                response.on("end", () => resolve(responseBody));
            });

            req.on("error", (e) => {
                reject(e);
            });

            req.end();
        });
    },

    post(urlString, model, token = null) {
        return new Promise((resolve, reject) => {
            const url = new URL(urlString);

            const postData = JSON.stringify(model);

            const requestOptions = {
                method: "POST",
                hostname: url.hostname,
                path: url.pathname + url.search,
                port: url.port,
                headers: {
                    accept: "application/json",
                    "Content-Type": "application/json",
                    "Content-Length": Buffer.byteLength(postData),
                },
            };

            if (token !== null) {
                requestOptions.headers.Authorization = `Bearer ${token}`;
            }

            const req = https.request(requestOptions, (response) => {
                let responseBody = "";

                if (response.status >= 400) {
                    reject(
                        `Request to ${response.url} failed with HTTP ${response.status}`
                    );
                }

                response.setEncoding("utf8");

                response.on("data", (chunk) => {
                    responseBody += chunk.toString();
                });

                response.on("end", () => resolve(responseBody));
            });

            req.write(postData);

            req.on("error", (e) => {
                reject(e);
            });

            req.end();
        });
    },
};