Simple server-less slack webtask

slack-webtask.js

const { WebClient } = require('@slack/client');
const fetch = require("node-fetch");

const API_URL = 'http://ron-swanson-quotes.herokuapp.com/v2/quotes';
const CHANNEL_ID = 'D6X9SM885';

module.exports = async (context, cb) => {
  const [quote] = await fetch(API_URL).then(res => res.json());
  const { chat } = new WebClient(context.secrets.SLACK_TOKEN);

  const res = await chat.postMessage({
    channel: CHANNEL_ID,
    text: `Ron swanson quote for the day: \n*${quote}*`
  });

  return cb(null, { message: res.ts });
};