Welcome message

const { SlashCommandBuilder, EmbedBuilder, ChannelType, Client, GatewayIntentBits } = require('discord.js');

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


let welcomeChannelId; 

module.exports = {
    data: new SlashCommandBuilder()
        .setName('welcome')
        .setDescription('Set the welcome channel for new members.')
        .addChannelOption(option => 
            option.setName('channel')
                .setDescription('Channel where welcome messages will be sent')
                .addChannelTypes(ChannelType.GuildText)
                .setRequired(true)),
    
    async execute(interaction) {
        const channel = interaction.options.getChannel('channel');

        if (!channel) {
            return interaction.reply({ content: 'Please provide a valid text channel.', ephemeral: true });
        }

        welcomeChannelId = channel.id;

        await interaction.reply(`Welcome messages will now be sent in ${channel.name}`);
    },
};

client.on('guildMemberAdd', member => {
    const channel = member.guild.channels.cache.get(welcomeChannelId);
    if (!channel) return;

    const embed = new EmbedBuilder()
        .setColor(0x00AE86)
        .setTitle(`Welcome ${member.user.username} to ${member.guild.name}!`)
        .setDescription('Hope you\'ll have fun here!');

    channel.send({ embeds: [embed] });
});