lamma.js

import { Client, Events, GatewayIntentBits, EmbedBuilder, SlashCommandBuilder, MessageFlags, Colors } from 'lamma.js';

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

const commands = [
  new SlashCommandBuilder().setName('roll').setDescription('Roll a die')
    .addIntegerOption(option => option.setName('sides').setDescription('How many sides').setRequired(true).setMinValue(2).setMaxValue(100))
];

client.once(Events.ClientReady, async ready => {
  console.log(`Logged in as ${ready.user.username} in ${ready.guilds.cache.size} servers`);
  await ready.application.commands.set(commands); // global commands show up everywhere at once
});

client.on(Events.MessageCreate, async message => {
  if (message.author.bot || message.content !== '!ping') return;
  const embed = new EmbedBuilder().setTitle('Pong!').setDescription(`Gateway ping: ${client.ws.ping} ms`).setColor(Colors.Green);
  await message.reply({ embeds: [embed] });
});

client.on(Events.InteractionCreate, async interaction => {
  if (!interaction.isChatInputCommand() || interaction.commandName !== 'roll') return;
  const sides = interaction.options.getInteger('sides', true);
  await interaction.reply({ content: `You rolled ${1 + Math.floor(Math.random() * sides)}`, flags: MessageFlags.Ephemeral });
});

client.login(); // reads LAMMA_TOKEN