react-native/Libraries/Components/View/View.js

56 lines
1.5 KiB
JavaScript

/**
* Copyright (c) 2015-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.
*
* @format
* @flow strict-local
*/
'use strict';
const React = require('React');
const TextAncestor = require('TextAncestor');
const ViewNativeComponent = require('ViewNativeComponent');
const invariant = require('fbjs/lib/invariant');
import type {ViewProps} from 'ViewPropTypes';
export type Props = ViewProps;
/**
* The most fundamental component for building a UI, View is a container that
* supports layout with flexbox, style, some touch handling, and accessibility
* controls.
*
* @see http://facebook.github.io/react-native/docs/view.html
*/
let ViewToExport = ViewNativeComponent;
if (__DEV__) {
if (!global.__RCTProfileIsProfiling) {
const View = (
props: Props,
forwardedRef: React.Ref<typeof ViewNativeComponent>,
) => {
return (
<TextAncestor.Consumer>
{hasTextAncestor => {
invariant(
!hasTextAncestor,
'Nesting of <View> within <Text> is not currently supported.',
);
return <ViewNativeComponent {...props} ref={forwardedRef} />;
}}
</TextAncestor.Consumer>
);
};
// $FlowFixMe - TODO T29156721 `React.forwardRef` is not defined in Flow, yet.
ViewToExport = React.forwardRef(View);
}
}
module.exports = ((ViewToExport: $FlowFixMe): typeof ViewNativeComponent);