Usage of Incoming webhooks for Slack

slackHook.js

const https = require("https");
const { URL } = require("url");

const webHookUrl = process.env.WEBHOOK_URL || "fakeWebhook";
function publishSlackMessage({ message, webHook }) {
  return new Promise(function (resolve) {
    const url = new URL(webHook);
    const reqOpts = {};
    reqOpts.hostname = url.hostname;
    reqOpts.path = url.pathname;
    reqOpts.method = "POST";
    reqOpts.headers = { "Content-Type": "application/json" };

    const req = https.request(reqOpts, function (res) {
      if (res.statusCode === 200) {
        console.log("Published message to channel " + webHook);
      } else {
        console.log(res.statusCode + " - Error posting to webhook " + webHook);
      }
      resolve();
    });

    req.on("error", function (e) {
      console.log("Request posting to Slack was invalid:" + e.message);
      resolve();
    });

    req.write(JSON.stringify({ text: message }));

    req.end();
  });
}