deploy-commands.js

require("dotenv").config();
const { REST, Routes } = require("discord.js");
const { guildID, clientID  } = require("./config.json");
const fs = require("node:fs");
const path = require("node:path");

const commands = [];
// Grab all the command files from the commands directory you created earlier
const foldersPath = path.join(__dirname, "src/commands");
const commandFolders = fs.readdirSync(foldersPath);

for (const folder of commandFolders) {
    // Grab all the command files from the commands directory you created earlier
    const commandsPath = path.join(foldersPath, folder);
    const commandFiles = fs.readdirSync(commandsPath).filter((file) => file.endsWith(".js"));
    // Grab the SlashCommandBuilder#toJSON() output of each command's data for deployment
    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] [deploy-commands] The command at ${filePath} is missing a required "data" or "execute" property`);
        }
    }
}

// Construct and prepare an instance of the REST module
const rest = new REST().setToken(process.env.TOKEN);

// Deploy commands
(async () => {
    try {
        console.log(`[INFO] [deploy-commands] 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.applicationGuildCommands(clientID, guildID), {
            body: commands,
        });

        console.log(`[INFO] [deploy-commands] Successfully reloaded ${data.length} application (/) commands`);
    } catch (error) {
        console.error("[ERROR] [deploy-commands] Error deploying commands:", error);
    }
})();