pico-jarvis.js

const fs = require('fs');
const http = require('http');

function handler(request, response) {
    const { url } = request;
    console.log(`Handling ${url}...`);
    if (url === '/health') {
        response.writeHead(200).end('OK');
    } else if (url === '/' || url === '/index.html') {
        response.writeHead(200, { 'Content-Type': 'text/html' });
        response.end(fs.readFileSync('./index.html'));
    } else if (url.startsWith('/chat')) {
        const parsedUrl = new URL(`http://localhost/${url}`);
        const { search } = parsedUrl;
        const question = decodeURIComponent(search.substring(1));
        const answer = 'Yo man';
        console.log({ question, answer });
        response.writeHead(200).end(answer);
    } else {
        console.error(`${url} is 404!`)
        response.writeHead(404);
        response.end();
    }
}

http.createServer(handler).listen(5000);