script for manually controlling a discord.js bot

discord-repl.js

const config = require('./config.json');
const Discord = require('discord.js');
const client = new Discord.Client();
const repl = require('repl');

const handlers = {
    say: sayHandler,
    channel: channelHandler,
}

var currentChannel = undefined;

client.on('ready', () => {
    console.log('client ready');
    repl.start({
        eval: handle,
        ignoreUndefined: true,
    });
});

client.login(config.user_token);

function handle(input, context, filename, cb) {
    var split = input.search(/\s+/);
    command = input.substring(0, split);
    args = input.substring(split).trim()
    //console.log('handling: [' + command + ', ' + args + ']');
    if(command in handlers) {
        cb(handlers[command](args));
    } else {
        //console.log('invalid');
        cb("invalid command '" + command + "'");
    }
}

function channelHandler(id) {
    //console.log('switching channels');
    //console.log(client.channels);
    //console.log(id);
    currentChannel = client.channels.get(id);
    //console.log(currentChannel);
    return currentChannel//.name || currentChannel.recipient || currentChannel.id;
}

function sayHandler(text) {
    if(!currentChannel) {
        //console.log('no channel selected');
        return 'select a channel first with `channel <id>`';
    } else {
        //console.log('sending message');
        return currentChannel.send(text);
    }
}