deploy-commands.js

require("dotenv").config();
const token = process.env.DISCORD_TOKEN;
const clientId = process.env.CLIENT_ID;

const { REST, Routes } = require("discord.js");
const fs = require("fs");
const path = require("path");

const commands = [];
// grabs all the command folders from the commands directory
const foldersPath = path.join(__dirname, "commands");
const commandFolders = fs.readdirSync(foldersPath);

for (const folder of commandFolders) {
  // grabs all the command files from the commands directory
  const commandsPath = path.join(foldersPath, folder);
  const commandFiles = fs.readdirSync(commandsPath).filter((file) => file.endsWith(".js"));
  for (const file of commandFiles) {
    const filePath = path.join(commandsPath, file);
    const command = require(filePath);
    if ("data" in command && "execute" in command) {
      commands.push(command.data.toJSON());
    } else {
      console.log(`[WARNING] The command at ${filePath} is missing a required "data" or "execute" property.`);
    }
  }
}

const rest = new REST().setToken(token);

// deploying the commands
(async () => {
  try {
    console.log(`Started refreshing ${commands.length} application (/) commands.`);

    // The put method is used to fully refresh all commands in the guild with the current set
    const data = await rest.put(Routes.applicationCommands(clientId), { body: commands });

    console.log(`Successfully reloaded ${data.length} application (/) commands.`);
  } catch (error) {
    console.error(error);
  }
})();