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// 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 listener = Deno.listen({ hostname, port: Number(port) });console.log("Server listening on", addr);
for await (const conn of listener) {  (async () => {    const requests = Deno.serveHttp(conn);    for await (const { respondWith, request } of requests) {      if (request.method == "POST") {        const buffer = await request.arrayBuffer();        respondWith(new Response(buffer.byteLength))          .catch((e) => console.log(e));      }    }  })();}