Basic Deno Server

serve.ts

// deno install --allow-read --allow-net https://gist.githubusercontent.com/ThatBlockyPenguin/fc8d06a1f8a1a6493b9fe6159d20ed0f/raw/serve.ts
import { existsSync } from 'https://deno.land/std/fs/mod.ts';
import { join } from 'https://deno.land/std/path/mod.ts';

const serveDir = join('./', Deno.args[0]);
const dirFound = existsSync(serveDir);

if (!dirFound)
  throw `Directory "${serveDir}" not found!`;

console.log(`Listening in directory ${serveDir}`);

Deno.serve(async (req) => {
  const urlPath = new URL(req.url).pathname.substring(1).trim();
  const path = join(serveDir, urlPath == '' ? 'index.html' : urlPath);
  
  console.log(`Request on ${path}`);
  
  return new Response(await Deno.readFile(path));
});