function isAbsolute(name) {
    if (!name)
      return false;
    if (name[0] === '/')
      return true;
    var parts = split(name);
    if (parts[ComponentIndex.SCHEME])
      return true;
    return false;
  }
True if the name looks like an absolute file name or URL
@param {string} candiate to be an address.
@return {boolean}