A Discord bot written in ES6 JavaScript format.

bot-es6.js

/* Project Clementine
* this is an experimental ES6 implementation
* some features don't work
* use at your own risk.
* -Capuccino
*/
"use strict";
import {Discord} from "discord.js";
import {fs} from "fs";
import {util} from "util";
import {http} from "http";
//config
const config = require("./botConfig.json");
const prefix = (config.prefix);

const clementine = new Discord.Client({
autoReconnect : true
});
clementine.on("ready", function(){
    console.log ("ready!");
});
class Commands {
    constructor(){
        this.ping = {
            name: "ping",
            desc: "a ping-pong example!",
            longDesc: "ping me desu desu",
            main: function(clementine,msg){
                var start = Date.now();
                clementine.sendMessage(msg.channel, 'Pong!').then(m => {
                    var end = Date.now();
                    var diff = end - start;
                    clementine.updateMessage(m,'Pong! `'+ diff + 'ms`');
                });
            }
        }
    }
}
//command handler
clementine.on("message", msg => {
    	if (msg.content.startsWith(config.prefix)) {
		var noPrefix = msg.content.substring(config.prefix.length, msg.content.length);
		var noPrefixSplit = noPrefix.split(" ");
		var cmd = noPrefixSplit[0];
		var preArgs = msg.content.substring(prefix.length + noPrefixSplit[0], msg.content.length);
		var args = preArgs.split(" ");
		var preSuffix = msg.content.substring(prefix.length + noPrefixSplit[0], msg.content.length);
		var suffix = preSuffix.split(" ");
		suffix.split();
		args.shift();
		if (commands[cmd] !== undefined) {
			if (commands[cmd].adminOnly) {
				fs.readFile('./adminList.json', (err, listData) => {
					if (!err) {
						var adminList = JSON.parse(listData);
						if (adminList.indexOf(msg.author.id) > -1 || msg.author.id === config.ownerID) {
							commands[cmd].main(bot, msg, args);
						} else {
							bot.sendMessage(msg, util.format('I\'m sorry, but you need to be on the admin list in order to run this command.'));
						}
					} else if (err) {
						bot.sendMessage(msg, `Experienced error while trying to execute command \`${cmd}\`.
\`\`\`
${err}
\`\`\``);
					}
				});
			} else {
				fs.readFile('./blackList.json', (err, blData) => {
					if (!err) {
						var blackList = JSON.parse(blData);
						if (blackList.indexOf(msg.author.id) === -1) {
							commands[cmd].main(bot, msg, args);
						}
					} else if (err) {
						clementine.sendMessage(msg, `Experienced error while trying to execute command \`${cmd}\`.
\`\`\`
${err}
\`\`\``);
					}
				});
			}
		}
	}

	if (msg.content.startsWith("<@" + bot.user.id + "> prefix")) {
		clementine.reply(msg.channel.id, "***My prefix is *** `" + prefix + "`!");
	}
});

if (config.useEmail === false){
    clementine.loginWithToken(config.token);
} else if (config.useEmail === true) {
    clementine.login(config.email, config.password)
}

botConfig.json

{
	"token": "Bot <replace this with token>", 
	"osuApiKey": "", 
	"prefix": "?", 
	"useEmail": false, 
	"email": "email", 
	"password": "password",
	"botName": "default-name", 
	"botDesc": "default-description", 
	"ownerID": "",
	"log": false, 
	"logchannel": "" 
}