react-native/Libraries/ReactNative/renderApplication.js
David Vacca 75ff136f03 Load 'ReactFabric' only when it is required to render a Fabric component
Reviewed By: yungsters

Differential Revision: D7970603

fbshipit-source-id: 34676b9e174bc1e1141f4f435aa2c8e2b62cd5b9
2018-05-11 17:18:03 -07:00

59 lines
1.8 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
*/
'use strict';
const AppContainer = require('AppContainer');
const React = require('React');
const invariant = require('fbjs/lib/invariant');
// require BackHandler so it sets the default handler that exits the app if no listeners respond
require('BackHandler');
function renderApplication<Props: Object>(
RootComponent: React.ComponentType<Props>,
initialProps: Props,
rootTag: any,
WrapperComponent?: ?React.ComponentType<*>,
fabric?: boolean,
) {
invariant(rootTag, 'Expect to have a valid rootTag, instead got ', rootTag);
let renderable = (
<AppContainer rootTag={rootTag} WrapperComponent={WrapperComponent}>
<RootComponent {...initialProps} rootTag={rootTag} />
</AppContainer>
);
// If the root component is async, the user probably wants the initial render
// to be async also. To do this, wrap AppContainer with an async marker.
// For more info see https://fb.me/is-component-async
if (
/* $FlowFixMe(>=0.68.0 site=react_native_fb) This comment suppresses an
* error found when Flow v0.68 was deployed. To see the error delete this
* comment and run Flow. */
RootComponent.prototype != null &&
RootComponent.prototype.unstable_isAsyncReactComponent === true
) {
// $FlowFixMe This is not yet part of the official public API
const AsyncMode = React.unstable_AsyncMode;
renderable = <AsyncMode>{renderable}</AsyncMode>;
}
if (fabric) {
require('ReactFabric').render(renderable, rootTag);
} else {
require('ReactNative').render(renderable, rootTag);
}
}
module.exports = renderApplication;