react-native/Libraries/Components/Touchable/ensureComponentIsNative.js

/**
 * Copyright (c) 2015-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 *
 * @providesModule ensureComponentIsNative
 * @flow
 */
'use strict';

var invariant = require('fbjs/lib/invariant');

var ensureComponentIsNative = function(component: any) {
  invariant(
    component && typeof component.setNativeProps === 'function',
    'Touchable child must either be native or forward setNativeProps to a ' +
    'native component'
  );
};

module.exports = ensureComponentIsNative;