index.js

const {Configuration, OpenAIApi} = require('openai');
const bodyParser = require('body-parser');
const cors = require('cors');
require('dotenv').config();

const express = require('express');
const path = require('path');

const app = express();
const server = require('http').createServer(app);

const io = require('socket.io')(server);

const config = new Configuration({
	apiKey: process.env.API_TOKEN
})

const openai = new OpenAIApi(config);

app.use(express.static(path.join(__dirname+"/public")));
app.use(bodyParser.json());
app.use(cors());

io.on('connection', function(socket){
	socket.on('newuser',function(username){
		console.log(username);
	});

	socket.on('prompt',function(data){
		console.log(data);
		const response = openai.createCompletion({
			model		: "text-davinci-003",
			prompt		: data.text,
			temperature	: 0.1,
			top_p		: 1,
			frequency_penalty : 0,
			presence_penalty : 0,
			max_tokens: 256,
			stop:["Human:","AI:","Human:","AI:"]
		});

		response.then((incomingData) => {
			const message = incomingData.data.choices[0].text;
			
			socket.emit("chatbot",{
				username:"bot",
				text:message
			})
		}).catch((err)=>{
			console.log(err);
		});
	});
});

server.listen(3000, () => console.log("server berjalan di localhost:3000"));