code: function toVFile(options) {
    if (typeof options === 'string' || buffer(options)) {
      options = {path: String(options)}
    }
  
    return vfile(options)
  }
docs: Create a virtual file from a description.  If `options` is a string or a buffer, it’s used as the path.  In all other cases, the options are passed through to `vfile()`.