ban - fake account (JS)

client.on("guildMemberAdd", async member => {
         let moment = require("moment"),
           moment2 = require("moment-duration-format"),
                 date = moment.duration(new Date() - member.user.createdAt).format("d");

          if(date < 7) {
              member.ban(" الحساب اقل من 7 أيام ")
          }
});