copy folder recursively

copyFolder.js

import fs from 'fs'
import path from 'path'

function copyFileSync (source, target) {
  let targetFile = target

  // if target is a directory a new file with the same name will be created
  if (fs.existsSync(target)) {
    if (fs.lstatSync(target).isDirectory()) {
      targetFile = path.join(target, path.basename(source))
    }
  }

  fs.writeFileSync(targetFile, fs.readFileSync(source))
}

function copyFolderRecursiveSync (source, target) {
  if (!fs.lstatSync(dirSource).isDirectory()) return

  let files = []
  let targetFolder = path.join(target, path.basename(dirSource))

  if (!fs.existsSync(targetFolder)) {
    fs.mkdirSync(targetFolder)
  }

  files = fs.readdirSync(dirSource)
  files.forEach(function (file) {
    let curSource = path.join(dirSource, file)
    if (fs.lstatSync(curSource).isDirectory()) {
      copyFolderRecursiveSync(curSource, targetFolder)
    } else {
      copyFileSync(curSource, targetFolder)
    }
  })
}