function locatedError(originalError, nodes, path) {
  // Note: this uses a brand-check to support GraphQL errors originating from
  // other contexts.
  if (originalError && originalError.path) {
    return originalError;
  }

  var message = originalError ? originalError.message || String(originalError) : 'An unknown error occurred.';
  return new _GraphQLError.GraphQLError(message, originalError && originalError.nodes || nodes, originalError && originalError.source, originalError && originalError.positions, path, originalError);
}
Given an arbitrary Error, presumably thrown while attempting to execute a
GraphQL operation, produce a new GraphQLError aware of the location in the
document responsible for the original Error.