Haha-Yes/commands/admin/unban.js

const { Command } = require('discord-akairo');

class UnbanCommand extends Command {
    constructor() {
        super('unban', {
            aliases: ['unban'],
            category: 'admin',
           args: [
               {
                   id: 'member',
                   type: 'user'
               }
           ],
           clientPermissions: ['BAN_MEMBERS'],
           userPermissions: ['BAN_MEMBERS'],
           channelRestriction: 'guild',
           description: {
            content: 'unban users',
            usage: '[user id]',
            examples: ['267065637183029248']
        }
        });
    }

    async exec(message, args) {
        message.guild.unban(args.member)
        .then(() => message.reply(`user was succesfully unbanned.`));
    }
}

module.exports = UnbanCommand;