Example ChatGPT Discord Bot

index.js

import dotenv from "dotenv";
import { Client, GatewayIntentBits, Partials } from "discord.js";
import OpenAI from 'openai';

dotenv.config();

const client = new Client({
  intents: [
    GatewayIntentBits.Guilds,
    GatewayIntentBits.GuildMessages,
    GatewayIntentBits.DirectMessages,
  ],
  partials: [
      Partials.Channel,
      Partials.MESSAGE
  ],
});

const openai = new OpenAI({
    apiKey: process.env.OPENAI_API_KEY,
});


client.on('messageCreate', async function (message) {
  // console.log(message);

  if (message.content && message.content.trim() == "/ping") {
    return message.reply("pong");
  }

  if (message.author.bot) return;
  if (message.guild && message.channel.name !== "zombie-cat") return;
  try {
    const response = await openai.chat.completions.create({
        model: "gpt-3.5-turbo",
        messages: [
            {"role": "system", "content": "Act as a sage oracle zombie cat who can speak like a human and responds succinctly. Try to roleplay as much as possible using emotes when appropriate"},
            {"role": "user", "content": message.content}
        ],
        max_tokens: 200,
      });

    console.log(response);
    const content = response.choices[0].message;
    return message.reply(content);

  } catch (err) {
      if (err instanceof OpenAI.APIError) {
        console.error(err.status);  // e.g. 401
        console.error(err.message); // e.g. The authentication token you passed was invalid...
        console.error(err.code);  // e.g. 'invalid_api_key'
        console.error(err.type);  // e.g. 'invalid_request_err'
      } else {
          console.log(err);
      }
    return message.reply(
      "As an AI zombie cat, I errored out: " + err.message
    );
  }
});
client.login(process.env.BOT_TOKEN);