index.js
function removeUnderscore (filepath) {
  const parts = filepath.split(path.sep)
  const filename = parts.pop().replace(/^_/, '')
  return parts.concat([filename]).join(path.sep)
}
function removeUnderscore (filepath) {
  const parts = filepath.split(path.sep)
  const filename = parts.pop().replace(/^_/, '')
  return parts.concat([filename]).join(path.sep)
}
function removeUnderscore ( filepath ) { const parts = filepath . split ( path . sep ) const filename = parts . pop ( ) . replace ( / ^_ / , '' ) return parts . concat ( [ filename ] ) . join ( path . sep ) }
remove a leading underscore str -> str
remove a leading underscore str - > str