Deleting every message from a channel using DiscordJS

delete-all-discord-messages.js

const client = new Discord.Client();

client.on('message', msg => {
  
  let deleteStuff = () => {
    let count = 0;
    msg.channel.fetchMessages({limit: 100})
     .then(messages => {
       let messagesArr = messages.array();
       let messageCount = messagesArr.length;

       for(let i = 0; i < messageCount; i++) {
         messagesArr[i].delete()
          .then(function() {
            count = count + 1;
            if(count >= 100) {
              deleteStuff();
            }
          })
          .catch(function() {
            count = count + 1;
            if(count >= 100) {
              deleteStuff();
            }
          })
       }
     })
     .catch(function(err) {
       console.log('error thrown');
       console.log(err);
     });
  };
  
  if(messageContent === '!:cleanse') {
    deleteStuff();
  }
};

client.login(process.env.TOKEN);