New commands only appear after completely removing and re-adding bot from servers

const { REST, Routes } = require('discord.js');
const { clientId, token } = require('./config.json');
const fs = require('fs');
const path = require('path');

const commands = [];

const loadCommands = (dir) => {
    const files = fs.readdirSync(dir);
    for (const file of files) {
        const filePath = path.join(dir, file);
        if (fs.statSync(filePath).isDirectory()) {
            console.log(

); // Debugging info
            loadCommands(filePath);  // Recursive call for subfolders
        } else if (file.endsWith('.js')) {
            console.log(

);  // Debugging info
            const command = require(filePath);
            commands.push(command.data.toJSON());
        }
    }
};

const foldersPath = path.join(__dirname, 'commands');
loadCommands(foldersPath);

const rest = new REST({ version: '10' }).setToken(token);

(async () => {
    try {
        console.log('Started refreshing application (/) commands.');

        // Register commands globally
        await rest.put(
            Routes.applicationCommands(clientId),
            { body: commands },
        );

        console.log('Successfully reloaded global application (/) commands.');
    } catch (error) {
        console.error(error);
    }
})();