jiuyiUniapp/service/node_modules/react-native/Libraries/ReactNative/ReactFabricPublicInstance/ReactFabricPublicInstance.js

101 lines
3.5 KiB
JavaScript

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* 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
*/
/**
* This module is meant to be used by the React renderers to create public
* instances and get some data from them (like their instance handle / fiber).
*/
import type ReactNativeElement from '../../../src/private/webapis/dom/nodes/ReactNativeElement';
import type ReadOnlyText from '../../../src/private/webapis/dom/nodes/ReadOnlyText';
import typeof * as RendererProxyT from '../../ReactNative/RendererProxy';
import type {
InternalInstanceHandle,
Node,
ViewConfig,
} from '../../Renderer/shims/ReactNativeTypes';
import type ReactFabricHostComponent from './ReactFabricHostComponent';
import * as ReactNativeFeatureFlags from '../../../src/private/featureflags/ReactNativeFeatureFlags';
// Lazy loaded to avoid evaluating the module when using the legacy renderer.
let PublicInstanceClass:
| Class<ReactFabricHostComponent>
| Class<ReactNativeElement>;
let ReadOnlyTextClass: Class<ReadOnlyText>;
// Lazy loaded to avoid evaluating the module when using the legacy renderer.
let RendererProxy: RendererProxyT;
export function createPublicInstance(
tag: number,
viewConfig: ViewConfig,
internalInstanceHandle: InternalInstanceHandle,
): ReactFabricHostComponent | ReactNativeElement {
if (PublicInstanceClass == null) {
// We don't use inline requires in react-native, so this forces lazy loading
// the right module to avoid eagerly loading both.
if (ReactNativeFeatureFlags.enableAccessToHostTreeInFabric()) {
PublicInstanceClass =
require('../../../src/private/webapis/dom/nodes/ReactNativeElement').default;
} else {
PublicInstanceClass = require('./ReactFabricHostComponent').default;
}
}
return new PublicInstanceClass(tag, viewConfig, internalInstanceHandle);
}
export function createPublicTextInstance(
internalInstanceHandle: InternalInstanceHandle,
): ReadOnlyText {
if (ReadOnlyTextClass == null) {
ReadOnlyTextClass =
require('../../../src/private/webapis/dom/nodes/ReadOnlyText').default;
}
return new ReadOnlyTextClass(internalInstanceHandle);
}
export function getNativeTagFromPublicInstance(
publicInstance: ReactFabricHostComponent | ReactNativeElement,
): number {
return publicInstance.__nativeTag;
}
export function getNodeFromPublicInstance(
publicInstance: ReactFabricHostComponent | ReactNativeElement,
): ?Node {
// Avoid loading ReactFabric if using an instance from the legacy renderer.
if (publicInstance.__internalInstanceHandle == null) {
return null;
}
if (RendererProxy == null) {
RendererProxy = require('../../ReactNative/RendererProxy');
}
return RendererProxy.getNodeFromInternalInstanceHandle(
publicInstance.__internalInstanceHandle,
);
}
export function getInternalInstanceHandleFromPublicInstance(
publicInstance: ReactFabricHostComponent | ReactNativeElement,
): InternalInstanceHandle {
// TODO(T174762768): Remove this once OSS versions of renderers will be synced.
// $FlowExpectedError[prop-missing] Keeping this for backwards-compatibility with the renderers versions in open source.
if (publicInstance._internalInstanceHandle != null) {
// $FlowExpectedError[incompatible-return] Keeping this for backwards-compatibility with the renderers versions in open source.
return publicInstance._internalInstanceHandle;
}
return publicInstance.__internalInstanceHandle;
}