discord-gamestatus/bin/setup-commands.js

Monitor game servers via discord

#!/usr/bin/env node

"use strict";

/*
discord-gamestatus: Game server monitoring via discord API
Copyright (C) 2022 Douile

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
*/

const fs = require("fs/promises");
const path = require("path");
const { ApplicationCommandManager } = require("discord.js");
const { REST } = require("@discordjs/rest");
const { Routes } = require("discord-api-types/v10");

async function parseCommands() {
  const DIR = path.join(__dirname, "../dist/commands");
  const commands = (await fs.readdir(DIR))
    .map((file) => {
      const command = require(path.join(DIR, file));
      if (command.disableSlash) return undefined;
      const newLineIndex = command.help.indexOf("\n");
      return ApplicationCommandManager.transformCommand({
        name: command.name,
        description: command.help.substring(
          0,
          Math.min(newLineIndex > 1 ? newLineIndex : command.help.length, 100)
        ),
        options: command.options,
        defaultPermission: true,
        type: "CHAT_INPUT",
      });
    })
    .filter((command) => command !== undefined);
  return commands;
}

(async function () {
  if (process.env.DISCORD_API_KEY) {
    const rest = new REST({ version: 10 }).setToken(
      process.env.DISCORD_API_KEY
    );
    const application = await rest.get(Routes.oauth2CurrentApplication());
    const commands = await parseCommands();
    await rest.put(Routes.applicationCommands(application.id), {
      body: commands,
    });
  } else {
    console.error(
      "Running in dry mode, to actually modify your bot provide DISCORD_API_KEY environment variable"
    );
    const commands = await parseCommands();
    console.log(JSON.stringify(commands, "  ", 2));
  }
})().then(null, console.error);