Polarcraft/discordbot/functions/deployCommands.js

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

module.exports = function deployCommands() {
  const commands = [];

  const commandsPath = path.join(__dirname, '../commands');
  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(process.env.DISCORD_TOKEN);

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

      let data;
      if (process.env.GUILD_ID === 'production') {
        data = await rest.put(
          Routes.applicationCommands(process.env.DISCORD_APPLICATION_ID),
          { body: commands },
        );
      } else {
        data = await rest.put(
          Routes.applicationGuildCommands(process.env.DISCORD_APPLICATION_ID, process.env.GUILD_ID),
          { body: commands },
        );
      }

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