bloom-layout/example/node_modules/fbjs/lib/nullthrows.js.flow

layout components used in bloom packages

/**
 * Copyright (c) 2013-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @providesModule nullthrows
 * @flow
 */

var nullthrows = function <T>(x: ?T): T {
  if (x != null) {
    return x;
  }
  throw new Error("Got unexpected null or undefined");
};

module.exports = nullthrows;