Arguments for Discord.js

Question

how do I read args in discord.js? I am trying to create a support bot and I want to have an !help {topic} command. how do I do that? my current code is very basic

const Discord = require('discord.js');
const client = new Discord.Client();
const prefix = ("!")
const token = ("removed")

client.on('ready', () => {
  console.log(`Logged in as ${client.user.tag}!`);
});

client.on('message', msg => {
  if (msg.content === 'ping') {
    msg.reply('pong');
  }
  if (msg.content === 'help') {
    msg.reply('type -new to create a support ticket');
  }

});

client.login(token);

Answer 1

You can make use of a prefix and arguments like so...

const prefix = '!'; // just an example, change to whatever you want

client.on('message', message => {
  if (!message.content.startsWith(prefix)) return;

  const args = message.content.trim().split(/ +/g);
  const cmd = args[0].slice(prefix.length).toLowerCase(); // case INsensitive, without prefix

  if (cmd === 'ping') message.reply('pong');

  if (cmd === 'help') {
    if (!args[1]) return message.reply('Please specify a topic.');
    if (args[2]) return message.reply('Too many arguments.');

    // command code
  }
});