simple welcom

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

    const args = message.content.slice(prefix.length).trim().split(/ +/);
    const command = args.shift().toLowerCase();
if(command === "set-welcomech") {
    if(!message.member.hasPermission('MANAGE_GUILD')) return;
    let welcomechdb = message.guild.channels.cache.find(ch => ch.id === args[0])
    if(welcomechdb) {
    message.channel.send(`welcome channel set to ${welcomechdb}`)
    db.set(`on_${message.guild.id}`, args[0])
}}
if(command === "set-welcomemsg") {
    if(!message.member.hasPermission('MANAGE_GUILD')) return;
    message.channel.send(`new welcome message is : \n ${args.join(" ")}`)
    db.set(`on2`, args.join(" "))
}
});
client.on('guildMemberAdd', member => {
    let welcomech = db.fetch(`on_${member.guild.id}`)
    let message = db.fetch(`on2`)
    if(db.has(`on_${member.guild.id}`)) {
        member.guild.channels.cache.find(ch => ch.id === welcomech).send(`${member} ${message}`).then(msg => {
            msg.delete({timeout:5000})
        })
    }
});