handleCommands.js

const fs = require('fs')

module.exports = (client) => {
  client.handleCommands = async() => {
    const commandFolders = fs.readdirSync('./commands');
    for (const folder of commandFolders) {
      const commandFiles = fs.readdirSync('/commands/${folder}').filter(file => file.endswith('.js'));

      const { commands, commandArray} = client;
      for (const file of commandFiles) {
        const command = require('../../commands/${folder}/${file}');
        commands.set(command.data.name, command);
        commandArray.push(command.data.toJSON());
      }
    }
  };
};