lib/core/generator.js
function isDataFile (filename) {
  const ext = path.extname(filename)
  const filenameWithoutExt = path.basename(filename, ext)

  return filenameWithoutExt === 'data' && ext === '.xml'
}
function isDataFile (filename) {
  const ext = path.extname(filename)
  const filenameWithoutExt = path.basename(filename, ext)

  return filenameWithoutExt === 'data' && ext === '.xml'
}
Is a file qualifying to be a data file? ie. `data.xml`. We don't check the content here, just the name.