Slack Stalker

index.js

#! /usr/bin/env node

const { RTMClient, WebClient } = require("@slack/client");
const chalk = require("chalk");
const stripAnsi = require("strip-ansi");
const say = require("say");
const lodash = require("lodash");
const jokeClient = require("icanhazdadjoke-client");
const joke = require("chat-joke");

const USERS = [{ id: "U8N4ATD8W", name: "dneiner", fullName: "Doug Neiner" }];
const CHANNELS = [{ id: "C8UEGR8HF", name: "lk-web-teams" }];

const stalkTyping = token => {
  const rtm = new RTMClient(token);
  const web = new WebClient(token);

  rtm.start();

  rtm.on("authenticated", function(client) {
    console.info(
      `Successfully connected, welcome '${client.self.name}' to the '${
        client.team.name
      }' team at https://${client.team.domain}.slack.com.`
    );
  });

  rtm.on("user_typing", data => {
    const channel = CHANNELS.find(c => c.id === data.channel);
    const user = USERS.find(u => u.id === data.user);
    if (!channel || !user) {
      return;
    }
    const log = `${chalk.blue(user.name)} is typing in ${chalk.yellow(
      channel.name
    )}`;
    const logStamped = `${chalk.yellow(
      new Date().toLocaleString("en-US")
    )}: ${log}`;
    console.log(logStamped);
    say.speak(stripAnsi(log));
    throttledReply(web, channel, user);
  });
};

const reply = (web, channel, user) => {
  joke.getJoke(pun => {
    web.chat
      .postMessage({
        channel: channel.id,
        text: `*Howdy*, what are you typing <@${user.id}>?

Here's a :dadjoke: while we wait to find out...

${pun}`
      })
      .then(({ message }) => {
        console.log(
          `${chalk.yellow(new Date().toLocaleString("en-US"))}: ${chalk.blue(
            message.username
          )} replied with ${chalk.green(message.text)}`
        );
      })
      .catch(console.error);
  });
};

const throttledReply = lodash.throttle(reply, 6000 * 5);

const token = "XXX-YOUR-TOKEN_HERE";

stalkTyping(token);

Example Usage

https://mobile.twitter.com/elijahmanor/status/1031937761190858752