lib/io.js
function copyFileSync(source, destination) {
  if (validateFileSync(source)) {
    fs.writeFileSync(destination, fs.readFileSync(source));
  }
}
function copyFileSync(source, destination) {
  if (validateFileSync(source)) {
    fs.writeFileSync(destination, fs.readFileSync(source));
  }
}
Shortcut to copy a file Synchronously
@param source
@param destination