packages/core/parcel-bundler/src/assets/SASSAsset.js
function normalizeError(err) {
  let message = 'Unknown error';

  if (err) {
    if (err instanceof Error) {
      return err;
    }

    message = err.stack || err.message || err;
  }

  return new Error(message);
}
function normalizeError(err) {
  let message = 'Unknown error';

  if (err) {
    if (err instanceof Error) {
      return err;
    }

    message = err.stack || err.message || err;
  }

  return new Error(message);
}
function normalizeError ( err ) { let message = 'Unknown error' ; if ( err ) { if ( err instanceof Error ) { return err ; } message = err . stack || err . message || err ; } return new Error ( message ) ; }
Ensures an error inherits from Error
Ensures an error inherits from Error