aside.js

const asde = require('asde')
const fs = require('fs')

const stat = asde(fs.stat)

async function main () { 
  const [errStat, config] = await stat('./config')

  if (errStat) {
    return console.error(errStat)
  }

  // magic number
  const [errStat2, value] = await stat('./file')

  if (errStat2) {
    return console.error(errStat)
  }

  console.log(value)
  console.log(value)
}

main()