const { Client, Events, GatewayIntentBits } = require('discord.js');
let discord_app_token = '...';

const client = new Client({ 
    intents: [
        GatewayIntentBits.Guilds,
		GatewayIntentBits.GuildMessages,
		GatewayIntentBits.MessageContent,
		GatewayIntentBits.GuildMembers
    ]
});

client.once(Events.MessageCreate, (message) => {
    if(message.content.toLocaleLowerCase().includes("quoi")) {
        message.reply(`feur !`);
    }
});

client.once(Events.ClientReady, () => {
    console.log(`Hello World !`);
});

client.login(discord_app_token);