npx is cool

readme.md

Hi!

try passing the URL for this gist to npx.

npx https://gist.github.com/daKmoR/b509ed34576a488ea79d3ac66ccab74e

Will output something like this:

$ npx https://gist.github.com/daKmoR/b509ed34576a488ea79d3ac66ccab74e
npx: installed 1 in 5.344s
$ node --version
v10.9.0

$ npm --version
6.4.1

$ cat /proc/version:
It is a WSL (Windows Subystem Linux)
Linux version 4.4.0-17134-Microsoft ([email protected]) (gcc version 5.4.0 (GCC) ) #285-Microsoft Thu Aug 30 17:31:00 PST 2018

$ lsb_release -a:
Distributor ID: Ubuntu
Description:    Ubuntu 16.04.3 LTS
Release:        16.04
Codename:       xenial

index.js

#!/usr/bin/env node

const util = require('util');
const exec = util.promisify(require('child_process').exec);

async function systemVersionInfos() {
  const { stdout: nodeVersion } = await exec('node --version');
  console.log('$ node --version');
  console.log(nodeVersion);

  const { stdout: npmVersion } = await exec('npm --version');
  console.log('$ npm --version');
  console.log(npmVersion);

  const { stdout: wslVersion } = await exec('cat /proc/version');
  if (wslVersion) {
    console.log('$ cat /proc/version:');
    if (wslVersion.includes('Microsoft')) {
      console.log('It is a WSL (Windows Subystem Linux)');
    }
    console.log(wslVersion);
  }

  const { stdout: linuxVersion } = await exec('lsb_release -a');
  if (linuxVersion) {
    console.log('$ lsb_release -a:');
    console.log(linuxVersion);
  }
}
systemVersionInfos();

package.json

{
  "name": "get-versions", 
  "version": "0.0.0", 
  "bin": "./index.js",
  "engines" : { 
    "node" : ">11.8.0",
    "npm" : ">8.0.0"
  }
}