unban alert code

client.on('guildBanRemove', (g, u) => {
  if (channels.log != undefined) {
    client.channels.fetch(channels.log).then(ch => {
      g.fetchAuditLogs({
        limit: 1,
        type: 'MEMBER_BAN_REMOVE',
        user: u
      }).then(l => {
        const newest = l.entries.first();
        typingIf(ch, true);
        let embed = undefined;
        if (newest) {
          embed = new Discord.MessageEmbed()
          .setColor('#00ff26')
          .setTitle('Unban')
          .setFooter('92AABOT')
          .setDescription(`User \'${u.username}\' was unbanned!`)
          .addFields(
            { name: 'Executor', value: `<@${newest.executor.id}>`, inline: true },
            { name: 'Unbanned User', value: `<@${u.id}>`, inline: true },
          );
        } else {
          embed = new Discord.MessageEmbed()
          .setColor('#00ff26')
          .setTitle('Unban')
          .setFooter('92AABOT')
          .setDescription(`User \'${u.username}\' was unbanned!`)
          .addFields(
            { name: 'Executor', value: `Error (no audit log entry)`, inline: true},
            { name: 'Unbanned User', value: `<@${u.id}>`, inline: true}
          );
        }
        ch.send(embed);
        typingIf(ch, false);
      });
    });
  }
});