Discord Bot a la lurkdis

bot.js

'use strict';

let Discord = require("discord.js");

let bot = new Discord.Client({
    forceFetchUsers: true
});

let botEmail         = "";
let botPasswd        = "";

let notifyUserIds = [
    "432143214321432142"  // fake user 
];

let rolesToRebrodcast = [ 
    "123412341234123412"  // fake role 
];

// start with an empty array of users to notify...
let notifyUsers = [];

// then populate it with User objects whose id matches the Ids above.
bot.on("ready", function () {
    for (let user of bot.users) {
        if (notifyUserIds.indexOf(user.id) != -1) {
            notifyUsers.push(user);
        }
    }
});

bot.on("serverNewMember", function (server, user) {
    if (server.id === "special server id") { 
        for (let u = 0; u < notifyUsers.length; u++) {
            bot.sendMessage(notifyUsers[u], "New user to server!  Discord username is: " + user.name);
        }
    }
});

bot.on("serverMemberRemoved", function (server, user) {
    if (server.id === "special server id") { 
        for (let u = 0; u < notifyUsers.length; u++) {
            bot.sendMessage(notifyUsers[u], "Eesh!  User left server!  Discord username is: " + user.name);
        }
    }
});

// straight up exit when we get disconnected, so forever.js can restart us.
bot.on("disconnected", function () {
    console.log("Disconnected!");
    process.exit(1);
});

// if message is from an admin send it to the specified users.
bot.on("message", function(msg) {
    for (let i = 0; i < rolesToRebrodcast.length; i++) {
        if (msg.author.hasRole(rolesToRebrodcast[i]) ) {
            let message =     
                    "`" + new Date().toUTCString() + "`"      // UTC time
                +   " __" + msg.server.name        + "__"     // server name
                +   " <#" + msg.channel.id         + ">"      // linked channel name
                + " **<@" + msg.author.id          + ">** "   // linked user name
                + msg.cleanContent;                           // message text

            // actually send the message to the users configured.
            for (let j = 0; j < notifyUsers.length; j++) {
                bot.sendMessage(notifyUsers[j], message);
            }

            // drop out of the 'for' loop.  if an admin is a member of two of the roles
            // we look for, it will send twice, if we don't break out after the first.
            break;
        }
    }
});

// login.
bot.login(botEmail, botPasswd).then(success).catch(err);

// do this if we log in successfully.
function success(token) {
    console.log("Connected!");
}

// do this if we do not log in successfully.
function err(token) {
    console.log("Error logging in. ");
    process.exit(1);
}