gestion/main.js

const Discord = require('discord.js');
require('dotenv').config();

const client = new Discord.Client();

client.on('ready', () => {
  console.log(`Bot is ready as: ${client.user.tag}`);
});

client.on('message', message => {
  if (message.content === 'ping') {
    message.reply('pong');
  }
});

client.login(process.env.TOKEN);