A GPT-3 Discord chat bot in TypeScript with OpenAI

bot.ts

import {
  Client,
  Events,
  GatewayIntentBits,
  Message,
  PartialMessage,
  Partials,
} from "discord.js";

import { Configuration, OpenAIApi } from "openai";

const openAIConfiguration = new Configuration({
  apiKey: "YOUR_OPENAI_API_KEY",
});

const openai = new OpenAIApi(openAIConfiguration);

const client = new Client({
  intents: [
    GatewayIntentBits.DirectMessageReactions,
    GatewayIntentBits.DirectMessages,
    GatewayIntentBits.DirectMessageTyping,
    GatewayIntentBits.GuildMessageReactions,
    GatewayIntentBits.GuildMessages,
    GatewayIntentBits.GuildMessageTyping,
    GatewayIntentBits.Guilds,
    GatewayIntentBits.MessageContent,
  ],
  partials: [Partials.Channel],
});

client.once(Events.ClientReady, async (c) => {
  console.log(`Logged in as ${c.user.tag}`);
});

const handleMessage = async (message: Message | PartialMessage) => {
  console.log("handleMessage", {
    channelId: message.channelId,
    guildId: message.guildId,
    id: message.id,
    content: message.content,
    author: message?.author?.username,
    authorId: message?.author?.id,
  });
  const author = message?.author;
  if (author) {
    const { id: authorId } = author;
    if (authorId !== "YOUR_DISCORD_BOT_ID") {
      const prompt = message.content;
      const completion = await openai.createCompletion({
        prompt,
        model: "text-davinci-002",
        max_tokens: 2048,
      });
      const responseText = completion.data?.choices?.[0]?.text || "";
      await message.channel.send(responseText);
    }
  }
};

client.on("messageCreate", async (message) => {
  await handleMessage(message);
});

client
  .login("YOUR_DISCORD_BOT_TOKEN")
  .catch((error) => console.error("Discord.Client.Login.Error", error));