commands.js

const { SlashCommandBuilder } = require('@discordjs/builders'); //SlashCommandBuilderを読み込む
const { REST } = require('@discordjs/rest'); //RESTを読み込む
const { Routes } = require('discord-api-types/v9'); //Routesを読み込む
const client_id  = process.env.clientid //クライアントIDをclient_idに代入
const guild_id = process.env.serverid //サーバーIDをguild_idに代入
const token = process.env.TOKEN //トークン

const commands = [
    new SlashCommandBuilder().setName('ナルト').setDescription('伝説の翻訳'), //ナルトコマンド
    new SlashCommandBuilder().setName('naruto').setDescription('伝説の再翻訳'), //narutoコマンド
]
    .map(command => command.toJSON());

const rest = new REST({ version: '9' }).setToken(token);

rest.put(Routes.applicationGuildCommands(client_id, guild_id), { body: commands }) 
    .then(() => console.log('Successfully registered application commands.'))
    .catch(console.error); //指定したサーバーにコマンドを登録・更新