// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license. const addr = Deno.args[0] || "127.0.0.1:4500"; const [hostname, port] = addr.split(":"); const { serve } = Deno; async function handler(request) { try { const buffer = await request.arrayBuffer(); return new Response(buffer.byteLength); } catch (e) { console.log(e); } } serve(handler, { hostname, port });