Run Node.js scripts from under a TOR / HTTP proxy

$ npm install got socks-proxy-agent cross-spawn --save

const got = require("got");
const spawn = require("cross-spawn");
const { SocksProxyAgent } = require("socks-proxy-agent");

// Launch a TOR proxy via Docker
// @see https://github.com/osminogin/docker-tor-simple
const proxy = spawn("docker", [
  ...["run", "--rm", "-i", "-a", "stdout"],
  ...["-p", "127.0.0.1:9050:9050/tcp"],
  ...["osminogin/tor-simple:latest"],
]);

// Wait until the socks5 proxy server is up and running
proxy.stdout.on("data", (data) => {
  process.stderr.write(data);
  if (data.toString().includes("Opened Socks listener")) {
    run().finally(() => proxy.kill("SIGINT"));
  }
});

// Configure an HTTP client using socks5 proxy
const client = got.extend({
  agent: {
    https: new SocksProxyAgent("socks5://localhost:9050"),
  },
});

// TODO: Write some code that requires a proxy
async function run() {
  const body = await client.get("https://jsonip.com/").json();
  console.log("Client IP:", body.ip);
}