rsnext/bench/readdir/recursive-readdir.js

const { join } = require('path')
const { recursiveReadDir } = require('next/dist/lib/recursive-readdir')
const resolveDataDir = join(__dirname, 'fixtures')

async function test() {
  const time = process.hrtime()
  await recursiveReadDir(resolveDataDir, /\.js$/)

  const hrtime = process.hrtime(time)
  const nanoseconds = hrtime[0] * 1e9 + hrtime[1]
  const milliseconds = nanoseconds / 1e6
  console.log(milliseconds)
}

async function run() {
  for (let i = 0; i < 50; i++) {
    await test()
  }
}

run()